/* ============================
   MODERN CSS RESET & BASE
   ============================ */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* ============================
       DESIGN TOKENS
       ============================ */
    
    /* Colors - Vitalis Empreendimentos brand palette */
    --color-primary: #c19556;
    --color-primary-dark: #a67c3f;
    --color-primary-light: #d4ac71;
    --color-primary-rgb: 193, 149, 86;

    --color-deep: #012221;
    --color-deep-light: #0f3d3a;
    --color-deep-rgb: 1, 34, 33;

    --color-accent: #e74c3c;
    --color-accent-light: #ff6b5b;
    --color-accent-rgb: 231, 76, 60;

    --color-success: #27ae60;
    --color-success-rgb: 39, 174, 96;
    --color-warning: #f39c12;
    --color-info: #3498db;

    /* Neutral Colors - Light Theme */
    --color-background: #f7f6f4;
    --color-surface: #ffffff;
    --color-surface-elevated: #ffffff;
    --color-surface-hover: #e4e4e4;

    --color-heading: #012221;
    --color-text: #132b29;
    --color-text-secondary: #45524f;
    --color-text-muted: #77857f;
    --color-text-inverse: #ffffff;

    --color-border: #e4e4e4;
    --color-border-light: #eeeeec;
    --color-divider: #d4d4d0;

    /* Dark Theme Colors */
    --color-dark-background: #051413;
    --color-dark-surface: #08201e;
    --color-dark-surface-elevated: #0d2b28;
    --color-dark-surface-hover: #123531;

    --color-dark-text: #f2efe9;
    --color-dark-text-secondary: #b9c4c1;
    --color-dark-text-muted: #7c9490;

    --color-dark-border: #1c3b38;
    --color-dark-border-light: #143029;
    --color-dark-divider: #274d48;
    
    /* Typography */
    --font-primary: 'Work Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-display: 'Cormorant Garamond', 'Times New Roman', serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    
    --line-height-tight: 1.25;
    --line-height-snug: 1.375;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    --line-height-loose: 2;
    
    /* Spacing */
    --space-px: 1px;
    --space-0: 0;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --space-40: 10rem;
    --space-48: 12rem;
    --space-56: 14rem;
    --space-64: 16rem;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-3xl: 0 35px 60px -12px rgba(0, 0, 0, 0.3);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(1, 34, 33, 0.35) 0%, rgba(193, 149, 86, 0.12) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    
    /* Border Radius */
    --radius-xs: 0.125rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    --transition-slower: 500ms ease-in-out;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
    
    /* Container */
    --container-max-width: 1400px;
    --container-padding: var(--space-6);
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --color-background: var(--color-dark-background);
    --color-surface: var(--color-dark-surface);
    --color-surface-elevated: var(--color-dark-surface-elevated);
    --color-surface-hover: var(--color-dark-surface-hover);

    --color-heading: var(--color-dark-text);
    --color-text: var(--color-dark-text);
    --color-text-secondary: var(--color-dark-text-secondary);
    --color-text-muted: var(--color-dark-text-muted);

    --color-border: var(--color-dark-border);
    --color-border-light: var(--color-dark-border-light);
    --color-divider: var(--color-dark-divider);

    --gradient-hero: linear-gradient(135deg, rgba(1, 34, 33, 0.5) 0%, rgba(193, 149, 86, 0.15) 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
}

/* ============================
   BASE STYLES
   ============================ */

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

body.loading {
    overflow: hidden;
}

/* Manual da marca: Times Sans Serif para títulos/logo, Canva Sans para texto corrido */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
}

/* ============================
   LOADING SCREEN
   ============================ */

.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-background);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity var(--transition-slower), visibility var(--transition-slower);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-content {
    text-align: center;
    max-width: 300px;
}

.loading-logo {
    margin-bottom: var(--space-6);
}

.logo,
.logo-animation {
    fill: none;
    stroke: currentColor;
    stroke-width: 9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.logo-animation {
    width: 72px;
    height: 59px;
    color: var(--color-primary);
    animation: logoFadeIn 2s ease-in-out infinite alternate;
}

@keyframes logoFadeIn {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

.loading-progress {
    width: 100%;
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.progress-bar {
    width: 0%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: progressAnimation 3s ease-in-out infinite;
}

@keyframes progressAnimation {
    0% { width: 0%; }
    50% { width: 70%; }
    100% { width: 100%; }
}

.loading-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    animation: textPulse 2s ease-in-out infinite;
}

@keyframes textPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

/* ============================
   NAVIGATION
   ============================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    width: 100%;
    z-index: var(--z-fixed);
    transition: all var(--transition-base);
}

/* Logo e texto sempre claros na navbar inicial (tanto light quanto dark) */
.navbar .nav-logo {
    color: white;
    transition: color var(--transition-base);
}

.navbar .nav-links a {
    color: white !important;
    transition: color var(--transition-base);
}

/* Ensure nav links stay white in transparent navbar regardless of theme */
[data-theme="dark"] .navbar .nav-links a,
[data-theme="light"] .navbar .nav-links a {
    color: white !important;
}

.navbar .nav-toggle {
    color: rgb(255, 255, 255);
    transition: color var(--transition-base);
}


.navbar.scrolled {
    background: linear-gradient(135deg,  #ffffff 70%, var(--color-primary) 30%);
    border-bottom: 1px solid var(--color-primary);
}

/* Quando scrolled, logo e texto acompanham a cor de título do tema ativo */
.navbar.scrolled .nav-logo {
    color: var(--color-heading);
}

.navbar.scrolled .nav-links a {
    color: var(--color-heading) !important;
}

/* Ensure scrolled navbar links use proper theme colors */
[data-theme="dark"] .navbar.scrolled .nav-links a,
[data-theme="light"] .navbar.scrolled .nav-links a {
    color: var(--color-heading) !important;
}

.navbar.scrolled .nav-toggle {
    color: var(--color-heading);
}

[data-theme="dark"] .navbar.scrolled {
    background: linear-gradient(135deg,  #051413 70%, var(--color-primary) 30%);
    border-bottom: 1px solid var(--color-primary);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
    transition: color var(--transition-base);
}

.nav-logo:hover {
    color: var(--color-primary);
}

.nav-logo .logo {
    width: 44px;
    height: 36px;
}

.logo-wordmark {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.logo-name {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.logo-subtitle {
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.32em;
    text-transform: uppercase;
    opacity: 0.85;
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.nav-link {
    position: relative;
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    letter-spacing: 0.025em;
    transition: color var(--transition-base);
    padding: var(--space-2) 0;
}

/* Override for navbar links - always white in transparent state */
.navbar .nav-menu .nav-link,
.navbar .nav-menu a.nav-link,
.navbar #nav-menu .nav-link,
.navbar #nav-menu a.nav-link {
    color: white !important;
}

.navbar.scrolled .nav-menu .nav-link,
.navbar.scrolled .nav-menu a.nav-link,
.navbar.scrolled #nav-menu .nav-link,
.navbar.scrolled #nav-menu a.nav-link {
    color: var(--color-heading) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

/* Navbar transparent state - primary color hover/active */
.navbar .nav-menu .nav-link:hover,
.navbar .nav-menu .nav-link.active,
.navbar .nav-menu a.nav-link:hover,
.navbar .nav-menu a.nav-link.active,
.navbar #nav-menu .nav-link:hover,
.navbar #nav-menu .nav-link.active,
.navbar #nav-menu a.nav-link:hover,
.navbar #nav-menu a.nav-link.active {
    color: var(--color-primary) !important;
}

/* Navbar scrolled state - primary color hover/active */
.navbar.scrolled .nav-menu .nav-link:hover,
.navbar.scrolled .nav-menu .nav-link.active,
.navbar.scrolled .nav-menu a.nav-link:hover,
.navbar.scrolled .nav-menu a.nav-link.active,
.navbar.scrolled #nav-menu .nav-link:hover,
.navbar.scrolled #nav-menu .nav-link.active,
.navbar.scrolled #nav-menu a.nav-link:hover,
.navbar.scrolled #nav-menu a.nav-link.active {
    color: var(--color-primary) !important;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.theme-toggle {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--color-surface-hover);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-1px);
}

.theme-icon {
    width: 18px;
    height: 18px;
    transition: all var(--transition-base);
}

.theme-icon.moon {
    display: none;
}

[data-theme="dark"] .theme-icon.sun {
    display: none;
}

[data-theme="dark"] .theme-icon.moon {
    display: block;
}

/* Nav toggle - hidden by default (desktop) */
.nav-toggle {
    display: none;
}

/* ============================
   HERO SECTION
   ============================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
    background: url('../img/obra1.avif');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(1, 34, 33, 0.95), rgba(1, 34, 33, 0.65));
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: 2;
    opacity: 0.2;
}

.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
    position: relative;
    z-index: 10;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    color: var(--color-text-inverse);
}

.title-line {
    display: block;
}

.highlight {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-description {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-10);
    max-width: 500px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    display: block;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    font-weight: var(--font-weight-medium);
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-card { 
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: 0;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    animation: cardFloat 6s ease-in-out infinite;
    max-width: 400px;
    width: 100%;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    min-height: 70vh;
}

@keyframes cardFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.card-image {
    width: 100%;
    height: 100%;
    min-height: 70vh;
    display: block;
    object-fit: cover;
    object-position: center bottom;
    border-radius: var(--radius-2xl);
    transition: transform var(--transition-base);
}

.card-image:hover {
    transform: scale(1.02);
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-inverse);
    font-size: var(--font-size-sm);
    animation: scrollBounce 2s ease-in-out infinite;
    z-index: 10;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-text-inverse);
    border-radius: var(--radius-xl);
    position: relative;
    display: flex;
    justify-content: center;
    padding-top: var(--space-2);
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--color-text-inverse);
    border-radius: var(--radius-full);
    animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(16px); opacity: 0; }
}

/* ============================
   BUTTONS
   ============================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-whatsapp {
    color: var(--color-primary);
    border-color: var(--color-primary);
    padding: var(--space-3);
    border-radius: var(--radius-full);
    flex-shrink: 0;
    align-self: center;
}

.btn-whatsapp:hover {
    color: var(--color-text-inverse);
    background: #128c7e;
    border-color: #128c7e;
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

.btn.is-sending {
    cursor: wait;
    animation: btnPulse 0.9s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(0.98); }
}

.btn-icon {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ============================
   SECTION LAYOUTS
   ============================ */

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--gradient-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
    backdrop-filter: blur(10px);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.section-description {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.text-gradient {
    background: var(--gradient-primary);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-success {
    color: var(--color-success);
}

/* ============================
   ABOUT SECTION
   ============================ */

.about {
    padding: var(--space-32) 0;
    background: var(--color-surface);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.timeline {
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.timeline-item {
    position: relative;
    padding-left: var(--space-16);
    margin-bottom: var(--space-12);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 8px;
    width: 16px;
    height: 16px;
    background: var(--color-primary);
    border: 4px solid var(--color-surface);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
}

.timeline-year {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.timeline-content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.timeline-content p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.feature-cards {
    display: grid;
    gap: var(--space-6);
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glass);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-4);
    background: var(--gradient-primary);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    position: relative;
    z-index: 2;
}

.feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
    position: relative;
    z-index: 2;
}

.feature-card p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    position: relative;
    z-index: 2;
}

/* ============================
   PROJECTS SECTION
   ============================ */

.projects {
    padding: var(--space-32) 0;
    background: var(--color-background);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-16);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--space-3) var(--space-6);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-8);
    margin-bottom: var(--space-16);
}

.project-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    transition: all var(--transition-base);
    position: relative;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.project-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slower);
}

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-badges {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.badge {
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-status {
    background: rgba(var(--color-primary-rgb), 0.9);
    color: var(--color-text-inverse);
}

.badge-category {
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-text);
}

.project-actions {
    display: flex;
    gap: var(--space-3);
}

.project-content {
    padding: var(--space-6);
}

.project-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.project-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.project-specs {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    flex-wrap: wrap;
}

.spec-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.spec-item svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.project-cta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex-wrap: nowrap;
}

.project-cta .btn-outline {
    flex: 1 1 auto;
    justify-content: center;
    padding-left: var(--space-3);
    padding-right: var(--space-3);
    white-space: nowrap;
}

.projects-cta {
    text-align: center;
}

/* ============================
   PROJECT DETAILS MODAL
   ============================ */

.project-modal {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-6);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.project-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(var(--color-deep-rgb), 0.75);
    backdrop-filter: blur(4px);
}

.project-modal-content {
    position: relative;
    background: var(--color-surface);
    border-radius: var(--radius-2xl);
    max-width: 1140px;
    width: 100%;
    max-height: 94vh;
    overflow-y: auto;
    box-shadow: var(--shadow-3xl);
    transform: translateY(20px) scale(0.98);
    transition: transform var(--transition-base);
}

.project-modal.active .project-modal-content {
    transform: translateY(0) scale(1);
}

.project-modal-close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 2;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: var(--radius-full);
    background: var(--color-surface);
    color: var(--color-text);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.project-modal-close:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    transform: rotate(90deg);
}

.project-modal-close svg {
    width: 18px;
    height: 18px;
}

.project-modal-gallery {
    background: var(--color-deep);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    overflow: hidden;
}

.modal-gallery-main {
    position: relative;
    background: var(--color-deep);
}

.modal-gallery-image {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
    cursor: zoom-in;
}

.modal-gallery-counter {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    padding: var(--space-1) var(--space-3);
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.45);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    z-index: 2;
}

.gallery-nav:hover {
    background: var(--color-primary);
}

.gallery-nav svg {
    width: 22px;
    height: 22px;
}

.gallery-prev {
    left: var(--space-4);
}

.gallery-next {
    right: var(--space-4);
}

.modal-gallery-thumbs {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-3);
    overflow-x: auto;
    background: var(--color-surface-hover);
}

.modal-gallery-thumbs img {
    width: 84px;
    height: 64px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    opacity: 0.55;
    border: 2px solid transparent;
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.modal-gallery-thumbs img:hover {
    opacity: 0.85;
}

.modal-gallery-thumbs img.active {
    opacity: 1;
    border-color: var(--color-primary);
}

.project-modal-gallery.single-image .gallery-nav,
.project-modal-gallery.single-image .modal-gallery-counter,
.project-modal-gallery.single-image .modal-gallery-thumbs {
    display: none;
}

.project-modal-body {
    padding: var(--space-8);
}

.project-modal-badges {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.project-modal-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-heading);
    margin-bottom: var(--space-4);
}

.project-modal-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.project-modal-specs {
    display: flex;
    gap: var(--space-6);
    flex-wrap: wrap;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-border);
}

@media (max-width: 600px) {
    .project-modal {
        padding: 0;
    }

    .project-modal-content {
        max-height: 100vh;
        height: 100%;
        border-radius: 0;
    }

    .modal-gallery-image {
        height: 240px;
    }

    .gallery-nav {
        width: 36px;
        height: 36px;
    }

    .project-modal-body {
        padding: var(--space-6);
    }
}

/* ============================
   IMAGE LIGHTBOX (ZOOM)
   ============================ */

.image-lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--z-tooltip);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    padding: var(--space-10);
}

.image-lightbox.active {
    opacity: 1;
    visibility: visible;
}

.image-lightbox img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-3xl);
}

.image-lightbox-close {
    position: absolute;
    top: var(--space-6);
    right: var(--space-6);
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.image-lightbox-close:hover {
    background: var(--color-primary);
}

.image-lightbox-close svg {
    width: 20px;
    height: 20px;
}

.image-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border: none;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.image-lightbox-nav:hover {
    background: var(--color-primary);
}

.image-lightbox-nav svg {
    width: 26px;
    height: 26px;
}

.lightbox-prev {
    left: var(--space-6);
}

.lightbox-next {
    right: var(--space-6);
}

.image-lightbox.single-image .image-lightbox-nav {
    display: none;
}

@media (max-width: 600px) {
    .image-lightbox {
        padding: var(--space-4);
    }

    .image-lightbox-nav {
        width: 40px;
        height: 40px;
    }
}

/* ============================
   PROJECT LOCATION MODAL
   ============================ */

.location-modal-map {
    background: var(--color-border);
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    overflow: hidden;
}

.location-modal-map iframe {
    width: 100%;
    height: 480px;
    border: 0;
    display: block;
}

.location-modal-address {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-8);
}

@media (max-width: 600px) {
    .location-modal-map iframe {
        height: 260px;
    }
}

.location-modal-content .btn {
    width: 100%;
    justify-content: center;
}

/* ============================
   PRIVACY POLICY MODAL
   ============================ */

.privacy-modal-content {
    max-width: 620px;
    height: 85vh;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.privacy-modal-header {
    flex-shrink: 0;
    padding: var(--space-8) var(--space-8) var(--space-4);
    border-bottom: 1px solid var(--color-border);
}

.privacy-modal-header .project-modal-title {
    margin-bottom: 0;
}

.privacy-modal-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-6) var(--space-8) var(--space-8);
}

.privacy-modal-text h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-heading);
    margin: var(--space-6) 0 var(--space-2);
}

.privacy-modal-text h4:first-of-type {
    margin-top: var(--space-2);
}

.privacy-modal-text p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

@media (max-width: 600px) {
    .privacy-modal-content {
        height: 100vh;
        max-height: 100vh;
    }
}

/* ============================
   SERVICES SECTION
   ============================ */

.services {
    padding: var(--space-32) 0;
    background: var(--color-surface);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--space-6);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
    transform: scale(1.1);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

.service-card h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-4);
}

.service-card p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-6);
}

.service-features {
    list-style: none;
}

.service-features li {
    position: relative;
    padding-left: var(--space-6);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

/* ============================
   INVESTMENT SECTION
   ============================ */

.investment {
    padding: var(--space-32) 0;
    background: var(--color-background);
}

.investment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
    align-items: center;
}

.investment-benefits {
    margin: var(--space-10) 0;
}

.benefit-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.benefit-item:last-child {
    margin-bottom: 0;
}

.benefit-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.benefit-icon svg {
    width: 24px;
    height: 24px;
}

.benefit-item h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.benefit-item p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.investment-cta {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.roi-calculator {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.roi-calculator h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-6);
    text-align: center;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.input-group {
    margin-bottom: var(--space-6);
}

.input-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.input-group input[type="text"] {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    background: var(--color-background);
    color: var(--color-text);
    transition: border-color var(--transition-base);
}

.input-group input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.input-group input[type="range"] {
    width: 100%;
    margin: var(--space-2) 0;
}

.range-value {
    display: block;
    text-align: center;
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
}

.calculator-result {
    background: var(--gradient-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-top: var(--space-6);
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-3);
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-item span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.result-item strong {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
}

.success-case {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.success-case h4 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.case-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.case-stat {
    text-align: center;
}

.stat-value {
    display: block;
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-success);
    margin-bottom: var(--space-1);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.case-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.case-description small {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* ============================
   FAQ SECTION
   ============================ */

.faq {
    padding: var(--space-32) 0;
    background: var(--color-surface);
}

.faq-grid {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:last-child {
    margin-bottom: 0;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: var(--space-6);
    background: var(--color-background);
    border: none;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    transition: all var(--transition-base);
}

.faq-question:hover {
    background: var(--color-surface-hover);
}

.faq-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slower);
}

.faq-item.open .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-6);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ============================
   CONTACT SECTION
   ============================ */

.contact {
    padding: var(--space-32) 0;
    background: var(--color-background);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-20);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-10);
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-details h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.contact-details p {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-3);
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
}

.contact-link:hover {
    color: var(--color-primary-dark);
    transform: translateX(4px);
}

.contact-link svg {
    width: 16px;
    height: 16px;
}

.social-links {
    margin-top: var(--space-10);
}

.social-links h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.social-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.contact-form-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-3);
}

.contact-form p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-primary);
    background: var(--color-background);
    color: var(--color-text);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb), 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    margin-bottom: var(--space-8);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkmark {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: relative;
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.checkbox-label:hover .checkmark {
    border-color: var(--color-primary);
}

.checkmark::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 5px;
    height: 10px;
    border: 2px solid var(--color-text-inverse);
    border-top: none;
    border-left: none;
    transform-origin: center;
    transition: transform var(--transition-base);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkmark::after {
    transform: translate(-50%, -60%) rotate(45deg) scale(1);
}

.checkbox-label a {
    color: var(--color-primary);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* ============================
   FOOTER
   ============================ */

.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--space-24) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-12);
    margin-bottom: var(--space-16);
}

.footer-brand .footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-heading);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-6);
}

.footer-brand .logo {
    width: 48px;
    height: 39px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.footer-description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-8);
    max-width: 400px;
}

.footer-certifications {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.cert-item {
    text-align: center;
}

.cert-badge {
    display: block;
    padding: var(--space-2) var(--space-3);
    background: var(--gradient-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-1);
}

.cert-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.footer-links h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-primary);
}

.coming-soon {
    font-size: var(--font-size-xs);
}

.footer-contact h4 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-6);
}

.contact-item-small {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.contact-item-small svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-copyright p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-1);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.social-link-small {
    width: 40px;
    height: 40px;
    background: var(--color-surface-hover);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
}

.social-link-small:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

.social-link-small svg {
    width: 18px;
    height: 18px;
}

/* ============================
   RESPONSIVE DESIGN
   ============================ */

@media (max-width: 1200px) {
    :root {
        --container-max-width: 1200px;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

@media (max-width: 992px) {
    :root {
        --container-padding: var(--space-5);
        --space-32: 6rem;
    }
    
    .hero {
        background-attachment: scroll;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--color-surface);
        border-top: 1px solid var(--color-border);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--space-8);
        gap: var(--space-6);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: var(--z-dropdown);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
    
    .about-grid,
    .investment-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    
    .case-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

/* Hide mobile theme toggle on desktop */
.nav-theme-toggle {
    display: none;
}

@media (max-width: 768px) {
    /* ===== MOBILE IMPROVEMENTS ===== */
    
    /* 1. NAVIGATION IMPROVEMENTS */
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-surface);
        border: 1px solid rgba(255,255,255,0.1);
        box-shadow: var(--shadow-4xl);
        padding: var(--space-8) var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-smooth);
        z-index: 1000;
        margin: 0;
    }
    
    /* When mobile menu is open, navbar should look like scrolled state */
    .navbar.menu-open:not(.scrolled) {
        background: linear-gradient(135deg, #ffffff 70%, var(--color-primary) 30%);
        border-bottom: 1px solid var(--color-primary);
    }
    
    [data-theme="dark"] .navbar.menu-open:not(.scrolled) {
        background: linear-gradient(135deg, #051413 70%, var(--color-primary) 30%);
        border-bottom: 1px solid var(--color-primary);
    }
    
    /* Text colors when menu is open but not scrolled */
    .navbar.menu-open:not(.scrolled) .nav-menu a.nav-link,
    .navbar.menu-open:not(.scrolled) #nav-menu a.nav-link {
        color: var(--color-heading) !important;
    }
    
    /* Hamburger color when menu is open but not scrolled */
    .navbar.menu-open:not(.scrolled) .nav-toggle span {
        background: var(--color-text) !important;
        box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    }
    
    /* Logo color when menu is open but not scrolled */
    .navbar.menu-open:not(.scrolled) .nav-logo {
        color: var(--color-heading) !important;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu .nav-link {
        display: block;
        padding: var(--space-4) 0;
        font-size: var(--font-size-lg);
        text-align: center;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-menu .nav-link:last-of-type {
        border-bottom: none;
        margin-bottom: var(--space-6);
    }
    
    /* Show mobile theme toggle on mobile */
    .nav-theme-toggle {
        display: block;
        text-align: center;
        padding-top: var(--space-4);
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    
    .mobile-theme-toggle {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: var(--space-3);
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        padding: var(--space-3) var(--space-4);
        background: var(--color-surface-hover);
        border: 2px solid var(--color-border);
        border-radius: var(--radius-full);
        color: var(--color-text);
        font-weight: var(--font-weight-medium);
        transition: all var(--transition-base);
        cursor: pointer;
        overflow: hidden;
    }
    
    .mobile-theme-toggle:hover {
        border-color: var(--color-primary);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }
    
    /* Toggle switch container */
    .theme-toggle-switch {
        position: relative;
        width: 50px;
        height: 26px;
        background: var(--color-border);
        border-radius: var(--radius-full);
        transition: background-color var(--transition-base);
        margin-right: var(--space-3);
    }
    
    /* Toggle switch slider */
    .theme-toggle-slider {
        position: absolute;
        top: 3px;
        left: 3px;
        width: 20px;
        height: 20px;
        background: var(--color-surface);
        border-radius: var(--radius-full);
        transition: all var(--transition-base);
        box-shadow: var(--shadow-sm);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    /* Dark theme active state */
    [data-theme="dark"] .theme-toggle-switch {
        background: var(--color-primary);
    }
    
    [data-theme="dark"] .theme-toggle-slider {
        transform: translateX(24px);
        background: var(--color-text-inverse);
    }
    
    /* Icons inside slider */
    .theme-toggle-slider .theme-icon {
        width: 12px;
        height: 12px;
        color: var(--color-primary);
        transition: all var(--transition-base);
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }
    
    /* Show sun icon in light theme, hide moon */
    .theme-toggle-slider .theme-icon.sun {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(0deg);
    }
    
    .theme-toggle-slider .theme-icon.moon {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(180deg);
    }
    
    /* Show moon icon in dark theme, hide sun */
    [data-theme="dark"] .theme-toggle-slider .theme-icon.sun {
        opacity: 0;
        transform: translate(-50%, -50%) rotate(-180deg);
    }
    
    [data-theme="dark"] .theme-toggle-slider .theme-icon.moon {
        opacity: 1;
        transform: translate(-50%, -50%) rotate(0deg);
        color: var(--color-primary);
    }
    
    /* Toggle text */
    .theme-toggle-text {
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-secondary);
        transition: color var(--transition-base);
    }
    
    /* Active state styling */
    .mobile-theme-toggle:active {
        transform: translateY(0);
        box-shadow: var(--shadow-sm);
    }
    
    /* Hide desktop theme toggle on mobile */
    .nav-actions .theme-toggle {
        display: none;
    }
    
    /* 2. HAMBURGER MENU - MOBILE SPECIFIC */
    .nav-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: space-between;
        width: 28px;
        height: 20px;
        margin-right: 10px;
        padding: 0px;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
        position: relative;
        border-radius: 4px;
        transition: all 0.2s ease;
    }

    
    .nav-toggle span {
        display: block;
        height: 3px;
        width: 100%;
        background: #ffffff;
        border-radius: 3px;
        transition: all 0.3s ease-in-out;
        transform-origin: center center;
        box-shadow: 0 1px 2px rgba(0,0,0,0.2);
        position: relative;
    }
    
    /* Navbar scrolled state - darker hamburger */
    .navbar.scrolled .nav-toggle span {
        background: var(--color-text);
        box-shadow: 0 1px 2px rgba(0,0,0,0.1);
    }
    
    /* Initial hamburger state - 3 lines */
    .nav-toggle span:nth-child(1) {
        transform: translateY(0) rotate(0deg);
    }
    
    .nav-toggle span:nth-child(2) {
        transform: scaleX(1);
        opacity: 1;
    }
    
    .nav-toggle span:nth-child(3) {
        transform: translateY(0) rotate(0deg);
    }
    
    /* Active state - Perfect X animation */
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(8.5px) rotate(45deg);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-8.5px) rotate(-45deg);
    }
    
    /* Ensure X is centered properly */
    .nav-toggle.active span:nth-child(1),
    .nav-toggle.active span:nth-child(3) {
        width: 100%;
    }
    
    /* 3. SECTION SPACING REDUCTION */
    .hero,
    .about,
    .projects,
    .services,
    .investment,
    .faq,
    .contact {
        padding: var(--space-20) 0;
    }
    
    .section-header {
        margin-bottom: var(--space-16);
        text-align: center;
    }
    
    .section-badge {
        display: block;
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        width: fit-content;
    }
    
    /* 4. TYPOGRAPHY ADJUSTMENTS */
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
        text-align: center;
    }
    
    .section-description {
        text-align: center;
    }
    
    /* 5. HIDE SCROLL INDICATOR ON MOBILE */
    .scroll-indicator {
        display: none;
    }
    
    /* 6. FOOTER MOBILE IMPROVEMENTS */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    /* Hide unnecessary footer sections */
    .footer-links:nth-child(2),
    .footer-links:nth-child(3) {
        display: none;
    }
    
    .footer-brand {
        order: 1;
        text-align: center;
    }
    
    .footer-brand .footer-logo {
        justify-content: center;
    }
    
    .footer-brand p {
        text-align: center;
    }
    
    .footer-contact {
        order: 2;
        text-align: center;
    }
    
    .footer-contact h4,
    .footer-contact p,
    .footer-contact .social-links {
        text-align: center;
    }
    
    .footer-contact .social-links {
        justify-content: center;
    }
    
    .contact-item-small {
        justify-content: center;
        text-align: center;
    }
    
    .footer-certifications {
        justify-content: center;
    }
    
    /* 7. INVESTMENT/OPPORTUNITIES SECTION CENTERING */
    .investment .section-header {
        text-align: center;
    }
    
    .investment .section-title,
    .investment .section-description {
        text-align: center;
    }
    
    .calculator-container {
        text-align: center;
    }
    
    .calculator-result {
        text-align: center;
    }
    
    /* 8. CONTACT SECTION CENTERING */
    .contact .section-header {
        text-align: center;
    }
    
    .contact .section-title,
    .contact .section-description {
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .contact-info {
        text-align: center;
    }
    
    .contact-methods {
        justify-content: center;
    }
    
    /* 9. GENERAL MOBILE ADJUSTMENTS */
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .project-filters {
        gap: var(--space-2);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .social-grid {
        grid-template-columns: 1fr;
    }
    
    .investment-cta,
    .project-cta {
        flex-direction: column;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: var(--space-4);
    }
    
    .nav-container {
        height: 70px;
    }
    
    /* Fix nav-menu spacing on small screens (390px and similar) */
    .nav-menu {
        top: 70px !important;
        left: 0 !important;
        right: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100vw !important;
        box-sizing: border-box;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
    
    .nav-menu .nav-link {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
    
    .hero {
        padding-top: 70px;
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .hero-description,
    .section-description {
        font-size: var(--font-size-base);
    }
    
    .floating-card {
        position: relative;
        width: 100%;
        height: auto;
        max-width: 280px;
        margin-top: var(--space-8);
    }
    
    .card-image {
        height: auto;
        width: 100%;
        max-height: 300px;
    }
    
    .btn {
        padding: var(--space-3) var(--space-5);
        font-size: var(--font-size-sm);
    }
    
    .project-specs {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .project-cta {
        flex-direction: column;
        align-items: stretch;
    }
}

/* ============================
   ANIMATIONS & UTILITIES
   ============================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* AOS Animation Overrides */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

[data-aos="fade-left"] {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-left"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="fade-right"] {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="fade-right"].aos-animate {
    opacity: 1;
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos="zoom-in"].aos-animate {
    opacity: 1;
    transform: scale(1);
}

/* Utility Classes */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.grid { display: grid; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* Focus Styles */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Selection Styles */
::selection {
    background: rgba(var(--color-primary-rgb), 0.2);
    color: var(--color-text);
}

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .btn,
    .scroll-indicator {
        display: none !important;
    }
    
    * {
        box-shadow: none !important;
        text-shadow: none !important;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    h1, h2, h3 {
        page-break-after: avoid;
    }
}