/* ==============================================
   TUX STUDIO - MAIN STYLESHEET
   Premium Digital Agency Website
   Author: TUX Studio
   Version: 1.0.0
   ============================================== */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Brand Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a78bfa 100%);

    /* Accent Colors */
    --accent-1: #06b6d4;
    --accent-2: #f59e0b;
    --accent-3: #ec4899;

    /* Neutral Colors - Light Mode */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-dark: #0f172a;
    --bg-dark-light: #1e293b;

    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --text-light: #cbd5e1;
    --text-white: #ffffff;

    /* Border Colors */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;

    /* Shadow */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-glow: 0 0 40px -10px rgba(99, 102, 241, 0.4);

    /* Typography */
    --font-family: 'Cairo', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-slower: 0.8s cubic-bezier(0.16, 1, 0.3, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-popover: 500;
    --z-tooltip: 600;
    --z-loader: 700;
}

/* ==================== DARK MODE ==================== */
[data-theme="dark"] {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: #16161f;
    --bg-dark: #000000;
    --bg-dark-light: #0a0a0f;

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --text-light: #475569;

    --border-color: #1e293b;
    --border-hover: #334155;

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.4);
    --shadow-glow: 0 0 40px -10px rgba(99, 102, 241, 0.6);
}

/* ==================== RESET & BASE ==================== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

ul, ol {
    list-style: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ==================== UTILITY CLASSES ==================== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

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

.section {
    padding: var(--spacing-2xl) 0;
}

.section-alt {
    background-color: var(--bg-secondary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== LOADING SCREEN ==================== */
.loading-screen {
    position: fixed;
    inset: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loader);
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.loading-logo {
    margin-bottom: 2rem;
}

.loading-svg {
    width: 100px;
    height: 100px;
}

.loading-circle {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
}

.loading-circle-bg {
    stroke: var(--border-color);
}

.loading-circle-progress {
    stroke: var(--primary);
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transform: rotate(-90deg);
    transform-origin: center;
    animation: loadingProgress 2s ease-in-out forwards;
}

@keyframes loadingProgress {
    0% { stroke-dashoffset: 283; }
    100% { stroke-dashoffset: 0; }
}

.loading-text {
    fill: var(--primary);
    font-size: 32px;
    font-weight: 800;
    font-family: var(--font-family);
}

.loading-bar {
    width: 200px;
    height: 4px;
    background: var(--border-color);
    border-radius: var(--radius-full);
    margin: 0 auto 1rem;
    overflow: hidden;
}

.loading-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    width: 0;
    animation: loadingBarFill 2s ease-in-out forwards;
}

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

.loading-status {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ==================== DARK MODE TOGGLE ==================== */
.dark-mode-toggle {
    position: fixed;
    bottom: 100px;
    left: 1.5rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.dark-mode-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

/* ==================== BACK TO TOP ==================== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    left: 1.5rem;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

/* ==================== WHATSAPP FLOAT ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 1.5rem;
    width: 55px;
    height: 55px;
    border-radius: 50%;
    background: #25d366;
    color: white;
    font-size: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-fixed);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    animation: whatsappPulse 2s infinite;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(37, 211, 102, 0.7); }
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.6);
}

/* ==================== NAVBAR ==================== */
.navbar {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: var(--z-fixed);
    padding: 1rem 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: 0.6rem 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .navbar.scrolled {
    background: rgba(10, 10, 15, 0.9);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 900;
}

.logo-accent {
    background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(99, 102, 241, 0.08);
}

.nav-cta {
    background: var(--primary-gradient);
    color: white !important;
    margin-right: 0.5rem;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.nav-cta:hover {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
    z-index: 10;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 380px;
    height: 100vh;
    background: var(--bg-card);
    z-index: var(--z-modal);
    padding: 6rem 2rem 2rem;
    transition: right var(--transition-slow);
    box-shadow: var(--shadow-xl);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu::before {
    content: '';
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-menu.active::before {
    opacity: 1;
    visibility: visible;
    right: 380px;
}

.mobile-nav-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.mobile-nav-link {
    display: block;
    padding: 0.875rem 1rem;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-nav-link:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--primary);
}

.mobile-cta {
    background: var(--primary-gradient);
    color: white;
    text-align: center;
    margin-top: 0.5rem;
}

.mobile-social {
    display: flex;
    gap: 1rem;
    justify-content: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.mobile-social a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}

.mobile-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 700;
    font-family: var(--font-family);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.btn-light {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

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

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
}

/* ==================== SECTION HEADER ==================== */
.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header.text-center {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== HERO SECTION ==================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.hero-particles .particle {
    position: absolute;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.15;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.15; }
    90% { opacity: 0.15; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 50%);
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.hero-badge i {
    color: var(--accent-2);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 900;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 2.5rem;
    max-width: 650px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

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

.hero-stat-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.hero-stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: var(--font-size-xs);
}

.scroll-mouse {
    width: 24px;
    height: 38px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
    0%, 100% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0.3; }
}

/* ==================== ABOUT SECTION ==================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image-wrapper img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
}

.about-image-badge {
    position: absolute;
    bottom: -1rem;
    left: -1rem;
    background: var(--primary-gradient);
    color: white;
    padding: 1.25rem 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.badge-number {
    display: block;
    font-size: var(--font-size-3xl);
    font-weight: 900;
    line-height: 1;
}

.badge-text {
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.4;
}

.about-image-decoration {
    position: absolute;
    top: -1.5rem;
    right: -1.5rem;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary);
    border-radius: var(--radius-2xl);
    z-index: -1;
    opacity: 0.3;
}

.about-content .section-header {
    margin-bottom: var(--spacing-md);
}

.about-text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

.about-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.about-card {
    padding: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.about-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.about-card-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.about-card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.about-card-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.values-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.values-grid {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.value-item i {
    color: var(--primary);
    font-size: 0.875rem;
}

/* ==================== SERVICES SECTION ==================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

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

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

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(-5deg);
    box-shadow: var(--shadow-glow);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.service-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.service-features li i {
    color: var(--accent-1);
    font-size: 0.75rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--primary);
    transition: all var(--transition-fast);
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-link:hover {
    color: var(--primary-dark);
}

.service-link:hover i {
    transform: translateX(-4px);
}

/* ==================== WHY CHOOSE US SECTION ==================== */
.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.why-us-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.features-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-item:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateX(-5px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.feature-content h3 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.feature-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.why-us-image-wrapper {
    position: relative;
}

.why-us-image-wrapper img {
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}

.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    animation: floatCard 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--primary);
}

.floating-card-1 {
    top: 10%;
    right: -1rem;
    animation-delay: 0s;
}

.floating-card-2 {
    bottom: 20%;
    left: -1.5rem;
    animation-delay: 1s;
}

.floating-card-3 {
    bottom: 5%;
    right: 10%;
    animation-delay: 2s;
}

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

/* ==================== PORTFOLIO SECTION ==================== */
.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.625rem 1.5rem;
    font-size: var(--font-size-sm);
    font-weight: 600;
    font-family: var(--font-family);
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.portfolio-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

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

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

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.08);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.portfolio-actions {
    display: flex;
    gap: 0.75rem;
}

.portfolio-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transform: translateY(20px);
    transition: all var(--transition-base);
}

.portfolio-card:hover .portfolio-btn {
    transform: translateY(0);
}

.portfolio-btn:hover {
    background: var(--primary);
    color: white;
}

.portfolio-info {
    padding: 1.5rem;
}

.portfolio-category {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    margin-bottom: 0.75rem;
}

.portfolio-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.portfolio-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== STATISTICS SECTION ==================== */
.statistics {
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-xl) 0;
}

.statistics::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-icon {
    width: 64px;
    height: 64px;
    background: rgba(99, 102, 241, 0.15);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 1.5rem;
    margin: 0 auto 1.25rem;
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: white;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--text-muted);
    font-weight: 500;
}

/* ==================== FAQ SECTION ==================== */
.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.faq-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.faq-item:hover {
    border-color: var(--border-hover);
}

.faq-item.active {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 700;
    font-family: var(--font-family);
    color: var(--text-primary);
    text-align: right;
    gap: 1rem;
}

.faq-question i {
    color: var(--primary);
    font-size: var(--font-size-sm);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer-content {
    padding: 0 1.5rem 1.25rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== CONTACT SECTION ==================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-info-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-card {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-md);
    transform: translateX(-5px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-card-content h4 {
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.contact-card-content a,
.contact-card-content p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
}

.contact-card-content span {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.contact-social h4 {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-link {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-base);
    border: 1px solid var(--border-color);
}

.social-link:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.contact-form {
    padding: 2.5rem;
}

.form-header {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-header p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2394a3b8' viewBox='0 0 16 16'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    padding-left: 2.5rem;
}

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

.form-whatsapp-alt {
    margin-top: 1.25rem;
    text-align: center;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.form-whatsapp-alt span {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.form-whatsapp-alt a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: #25d366;
    font-size: var(--font-size-base);
}

.form-whatsapp-alt a:hover {
    text-decoration: underline;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding-top: var(--spacing-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.35rem;
    color: white;
    margin-bottom: 1rem;
}

.footer-desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.footer-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    transition: all var(--transition-fast);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--primary-light);
    transform: translateX(-3px);
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: var(--font-size-sm);
}

.footer-contact-list i {
    color: var(--primary);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.footer-contact-list a,
.footer-contact-list span {
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-contact-list a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.copyright,
.footer-credit {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ==================== REVIEWS PAGE ==================== */
.reviews-hero {
    padding: 10rem 0 4rem;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.reviews-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
}

.reviews-hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.reviews-hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.reviews-hero-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Reviews Stats */
.reviews-stats {
    background: var(--bg-primary);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--border-color);
}

.reviews-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.reviews-stat {
    padding: 1.5rem;
}

.reviews-stat-stars {
    color: var(--accent-2);
    font-size: var(--font-size-lg);
    margin-bottom: 0.75rem;
    letter-spacing: 0.15rem;
}

.reviews-stat-icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
}

.reviews-stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.reviews-stat-label {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-weight: 600;
}

/* Reviews Slider */
.reviews-slider-wrapper {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.reviews-slider {
    position: relative;
    overflow: hidden;
    min-height: 350px;
}

.review-card {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateX(100px);
    transition: all var(--transition-slow);
    pointer-events: none;
}

.review-card.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
    position: relative;
}

.review-card.prev {
    transform: translateX(-100px);
}

.review-card-inner {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.review-stars {
    color: var(--accent-2);
    font-size: var(--font-size-lg);
    margin-bottom: 1.25rem;
    letter-spacing: 0.15rem;
}

.review-text {
    font-size: var(--font-size-lg);
    color: var(--text-primary);
    line-height: 1.9;
    margin-bottom: 2rem;
    font-style: italic;
}

.review-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}

.review-author-name {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.review-author-role {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* Slider Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 2;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.slider-btn:hover {
    background: var(--primary);
    color: white;
    border-color: transparent;
}

.slider-prev {
    right: -24px;
}

.slider-next {
    left: -24px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border-color);
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
}

.slider-dot.active {
    background: var(--primary);
    width: 30px;
    border-radius: 5px;
}

/* Reviews Grid (Static Cards) */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.review-card-static {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
}

.review-card-static:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.review-card-static .review-stars {
    margin-bottom: 1rem;
    font-size: var(--font-size-sm);
}

.review-card-static .review-text {
    font-size: var(--font-size-base);
    margin-bottom: 1.5rem;
    text-align: right;
}

.review-card-static .review-author {
    justify-content: flex-start;
}

/* ==================== CTA SECTION ==================== */
.cta-section {
    background: var(--primary-gradient);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.cta-desc {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
}

/* ==================== SCROLL REVEAL ==================== */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger delays */
[data-reveal-delay="1"] { transition-delay: 0.1s; }
[data-reveal-delay="2"] { transition-delay: 0.2s; }
[data-reveal-delay="3"] { transition-delay: 0.3s; }
[data-reveal-delay="4"] { transition-delay: 0.4s; }
[data-reveal-delay="5"] { transition-delay: 0.5s; }
[data-reveal-delay="6"] { transition-delay: 0.6s; }
[data-reveal-delay="7"] { transition-delay: 0.7s; }
[data-reveal-delay="8"] { transition-delay: 0.8s; }

/* ==================== RESPONSIVE STYLES ==================== */

/* Large Screens (1200px+) */
@media (min-width: 1200px) {
    .container {
        padding: 0 2rem;
    }
}

/* Tablets (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3.5rem;
        --font-size-5xl: 3rem;
        --font-size-4xl: 2rem;
        --spacing-2xl: 6rem;
        --spacing-xl: 4rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile (below 768px) */
@media (max-width: 768px) {
    :root {
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-2xl: 4rem;
        --spacing-xl: 3rem;
        --spacing-lg: 2.5rem;
    }

    /* Navbar */
    .nav-menu {
        display: none;
    }

    .mobile-toggle {
        display: flex;
    }

    /* Hero */
    .hero {
        padding: 7rem 0 3rem;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        gap: 1.5rem;
    }

    .hero-scroll {
        display: none;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .about-cards {
        grid-template-columns: 1fr;
    }

    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Why Us */
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .why-us-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .floating-card {
        display: none;
    }

    /* Portfolio */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-filter {
        gap: 0.5rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: var(--font-size-xs);
    }

    /* Statistics */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-item {
        padding: 1.5rem 1rem;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .stat-number {
        font-size: var(--font-size-3xl);
    }

    /* FAQ */
    .faq-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Reviews Page */
    .reviews-hero {
        padding: 7rem 0 3rem;
    }

    .reviews-hero-title {
        font-size: var(--font-size-3xl);
    }

    .reviews-stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .reviews-slider-wrapper {
        padding: 0 1rem;
    }

    .slider-btn {
        display: none;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-about {
        max-width: 400px;
        margin: 0 auto;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-links a:hover {
        transform: translateX(0);
    }

    .footer-contact-list li {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
    }

    /* Fixed buttons */
    .dark-mode-toggle {
        width: 40px;
        height: 40px;
        bottom: 90px;
        left: 1rem;
        font-size: 1rem;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 40px;
        left: 1rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 40px;
        right: 1rem;
    }
}

/* Small Mobile (below 480px) */
@media (max-width: 480px) {
    :root {
        --font-size-6xl: 2rem;
        --font-size-5xl: 1.75rem;
        --font-size-4xl: 1.5rem;
        --font-size-3xl: 1.25rem;
    }

    .container {
        padding: 0 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-stat-item {
        text-align: right;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .hero-stat-number {
        font-size: var(--font-size-xl);
    }

    .about-image-badge {
        padding: 0.875rem 1rem;
    }

    .badge-number {
        font-size: var(--font-size-xl);
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .stat-number {
        font-size: var(--font-size-2xl);
    }

    .cta-title {
        font-size: var(--font-size-xl);
    }
}

/* ==================== ACCESSIBILITY ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .navbar,
    .hero-scroll,
    .dark-mode-toggle,
    .back-to-top,
    .whatsapp-float,
    .footer-social,
    .mobile-toggle,
    .loading-screen {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .section {
        padding: 2rem 0;
        page-break-inside: avoid;
    }
}