/* ===== CSS Variables ===== */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;
    --primary-950: #172554;

    /* Secondary Colors (Orange) */
    --secondary-50: #fff7ed;
    --secondary-100: #ffedd5;
    --secondary-200: #fed7aa;
    --secondary-300: #fdba74;
    --secondary-400: #fb923c;
    --secondary-500: #f97316;
    --secondary-600: #ea580c;
    --secondary-700: #c2410c;
    --secondary-800: #9a3412;
    --secondary-900: #7c2d12;

    /* Neutral Colors */
    --neutral-50: #fafafa;
    --neutral-100: #f4f4f5;
    --neutral-200: #e4e4e7;
    --neutral-300: #d4d4d8;
    --neutral-400: #a1a1aa;
    --neutral-500: #71717a;
    --neutral-600: #52525b;
    --neutral-700: #3f3f46;
    --neutral-800: #27272a;
    --neutral-900: #18181b;
    --neutral-950: #09090b;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;

    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-dark-secondary: #1e293b;

    /* Text Colors */
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;

    /* Fonts */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    --font-display: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing Scale */
    --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;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-2xl: 0 35px 60px -15px rgb(0 0 0 / 0.3);
    --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* 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;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 100px;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--primary-200);
    color: var(--primary-900);
}

/* Focus */
:focus-visible {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

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

::-webkit-scrollbar-track {
    background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
    background: var(--neutral-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neutral-500);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    line-height: 1.75;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm { max-width: 768px; }
.container-lg { max-width: 1440px; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: var(--text-inverse);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--secondary-500) 0%, var(--secondary-600) 100%);
    color: var(--text-inverse);
    box-shadow: 0 4px 14px 0 rgba(249, 115, 22, 0.4);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(249, 115, 22, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-600);
    color: var(--primary-600);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary-600);
    color: var(--text-inverse);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    box-shadow: none;
}

.btn-ghost:hover {
    background: var(--neutral-100);
    color: var(--text-primary);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: all var(--transition);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    border-bottom-color: var(--neutral-200);
    box-shadow: var(--shadow-sm);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo img {
    height: 42px;
    width: auto;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text span {
    color: var(--primary-600);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    position: relative;
    padding: var(--space-2) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
    background: var(--neutral-100);
}

.nav-link.active {
    color: var(--primary-600);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--primary-600);
    border-radius: var(--radius-full);
}

.nav-cta {
    background: var(--primary-600);
    color: var(--text-inverse) !important;
    margin-left: var(--space-2);
}

.nav-cta:hover {
    background: var(--primary-700);
    transform: translateY(-1px);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    z-index: var(--z-fixed);
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--space-6) var(--space-6);
        background: var(--bg-primary);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-slow);
        gap: 0;
    }

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

    .nav-link {
        width: 100%;
        padding: var(--space-4);
        border-bottom: 1px solid var(--neutral-100);
    }

    .nav-link:hover {
        background: var(--neutral-50);
    }

    .nav-cta {
        margin: var(--space-4) 0 0 0;
        width: calc(100% - var(--space-8));
        text-align: center;
    }
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: auto;
    padding: 100px 0 60px;
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    overflow: hidden;
}

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

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(30, 58, 138, 0.95) 0%,
        rgba(15, 23, 42, 0.98) 50%,
        rgba(30, 41, 59, 0.95) 100%
    );
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    z-index: 2;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.3;
    z-index: 2;
}

.hero-glow-1 {
    top: -200px;
    right: -100px;
    background: var(--primary-500);
}

.hero-glow-2 {
    bottom: -200px;
    left: -100px;
    background: var(--secondary-500);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-top: 0;
}

.hero-slider {
    display: grid;
    width: 100%;
}

.hero-slide {
    grid-area: 1 / 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    color: var(--text-inverse);
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: var(--space-4);
    backdrop-filter: blur(10px);
}

.hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: var(--text-inverse);
    line-height: 1.1;
    margin-bottom: var(--space-4);
    letter-spacing: -0.03em;
}

.hero-title span {
    background: linear-gradient(135deg, var(--secondary-400) 0%, var(--secondary-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 550px;
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

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

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-10);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.hero-stat-value {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--text-inverse);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.hero-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 640px) {
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
}

/* Hero Controls */
.hero-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-8);
    z-index: 20;
}

.hero-control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
}

.hero-control:hover {
    background: rgba(255, 255, 255, 0.5);
}

.hero-control.active {
    background: var(--secondary-500);
    border-color: var(--secondary-500);
    transform: scale(1.2);
}

.hero-nav {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-inverse);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    z-index: 20;
    backdrop-filter: blur(10px);
}

.hero-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* Hide nav arrows on mobile */
@media (max-width: 768px) {
    .hero-nav {
        display: none;
    }
}

/* ===== Sections ===== */
.section {
    padding: var(--space-24) 0;
    position: relative;
}

.section-sm { padding: var(--space-16) 0; }
.section-lg { padding: var(--space-32) 0; }

.bg-light { background: var(--bg-secondary); }
.bg-dark { background: var(--bg-dark); }
.bg-gradient {
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-tertiary);
    max-width: 600px;
    margin: 0 auto;
}

.section-header.light .section-title {
    color: var(--text-inverse);
}

.section-header.light .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

/* ===== Cards ===== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    border: 1px solid var(--neutral-200);
    overflow: hidden;
    transition: all var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

/* ===== Values Section ===== */
.values-section {
    background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}

.values-tabs {
    max-width: 900px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-bottom: var(--space-8);
}

.tab-btn {
    padding: var(--space-3) var(--space-6);
    font-size: 0.9375rem;
    font-weight: 600;
    background: var(--bg-primary);
    border: 2px solid var(--neutral-200);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition);
    color: var(--text-secondary);
}

.tab-btn:hover {
    border-color: var(--primary-300);
    color: var(--primary-600);
}

.tab-btn.active {
    background: var(--primary-600);
    border-color: var(--primary-600);
    color: var(--text-inverse);
}

.tab-content-wrapper {
    position: relative;
    min-height: 200px;
}

.tab-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-slow);
}

.tab-content.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tab-content-inner {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    box-shadow: var(--shadow);
}

.tab-content h3 {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tab-content p {
    font-size: 1.0625rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== Services Section ===== */
.services-section {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .services-grid { grid-template-columns: 1fr; }
}

.service-card {
    position: relative;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

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

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
}

.service-icon svg {
    width: 28px;
    height: 28px;
    color: var(--primary-600);
    transition: color var(--transition);
}

.service-card:hover .service-icon svg {
    color: var(--text-inverse);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
    transition: color var(--transition);
}

.service-card:hover h3 {
    color: var(--primary-600);
}

.service-card p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--primary-600);
    transition: all var(--transition);
}

.service-link:hover {
    gap: var(--space-3);
    color: var(--secondary-500);
}

.service-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}

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

/* ===== Case Studies Section ===== */
.case-studies-section {
    background: var(--bg-primary);
}

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

@media (max-width: 1024px) {
    .case-studies-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .case-studies-grid { grid-template-columns: 1fr; }
}

.case-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
}

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

.case-image {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,0.1) 0%, transparent 100%);
}

.case-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.case-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-inverse);
}

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

.case-category {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius);
    margin-bottom: var(--space-3);
}

.case-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--space-3);
}

.case-card p {
    font-size: 0.9375rem;
    margin-bottom: var(--space-4);
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    color: var(--secondary-600);
    transition: all var(--transition);
}

.case-link:hover {
    gap: var(--space-3);
}

/* ===== Why Us Section ===== */
.why-us-section {
    position: relative;
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
    overflow: hidden;
}

.why-us-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(249, 115, 22, 0.1) 0%, transparent 50%);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    position: relative;
    z-index: 1;
}

@media (max-width: 768px) {
    .why-us-grid { grid-template-columns: 1fr; }
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition);
    backdrop-filter: blur(10px);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--secondary-500) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.3);
}

.why-icon svg {
    width: 40px;
    height: 40px;
    color: var(--text-inverse);
}

.why-card h3 {
    font-size: 1.5rem;
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
}

.why-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

/* ===== Clients Section ===== */
.clients-section {
    background: var(--bg-primary);
}

.clients-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--space-10);
}

.client-logo {
    width: 140px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    filter: grayscale(100%);
    opacity: 0.5;
    transition: all var(--transition);
}

.client-logo:hover {
    filter: grayscale(0);
    opacity: 1;
    transform: scale(1.1);
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* ===== Career Section ===== */
.career-section {
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--secondary-50) 100%);
}

.career-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

@media (max-width: 768px) {
    .career-content { grid-template-columns: 1fr; text-align: center; }
}

.career-text h2 {
    margin-bottom: var(--space-4);
}

.career-text p {
    margin-bottom: var(--space-8);
    font-size: 1.125rem;
}

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

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-value {
    display: block;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--secondary-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== Contact Section ===== */
.contact-section {
    background: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

@media (max-width: 768px) {
    .contact-grid { grid-template-columns: 1fr; }
}

.contact-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.contact-card h3 {
    font-size: 1.25rem;
    color: var(--primary-600);
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--neutral-200);
}

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

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

.contact-item svg {
    width: 20px;
    height: 20px;
    color: var(--secondary-500);
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

.contact-item a {
    color: var(--text-secondary);
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--primary-600);
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: var(--text-inverse);
    padding: var(--space-16) 0 var(--space-8);
}

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

@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
}

@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand {
    max-width: 320px;
}

.footer-logo {
    height: 48px;
    width: auto;
    margin-bottom: var(--space-4);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.8;
    margin-bottom: var(--space-6);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-inverse);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-inverse);
    margin-bottom: var(--space-6);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a,
.footer-links li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ===== Page Hero ===== */
.page-hero {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-900) 100%);
    padding: 10rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(249, 115, 22, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.2) 0%, transparent 50%);
}

.page-hero .container {
    position: relative;
    z-index: 1;
}

.page-hero h1 {
    color: var(--text-inverse);
    margin-bottom: var(--space-4);
}

.page-hero p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.125rem;
    max-width: 600px;
}

/* ===== Team Section ===== */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

@media (max-width: 1024px) {
    .team-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .team-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .team-grid { grid-template-columns: 1fr; }
}

.team-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    border: 1px solid var(--neutral-200);
    transition: all var(--transition);
}

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

.team-image {
    height: 280px;
    background: linear-gradient(135deg, var(--neutral-100) 0%, var(--neutral-200) 100%);
    overflow: hidden;
}

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

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

.team-info {
    padding: var(--space-6);
    text-align: center;
}

.team-info h3 {
    font-size: 1.125rem;
    margin-bottom: var(--space-1);
}

.team-info p {
    color: var(--primary-600);
    font-weight: 500;
    font-size: 0.875rem;
}

/* ===== Case Study Detail ===== */
.case-study-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
    padding: var(--space-8);
    background: var(--bg-secondary);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-10);
    border: 1px solid var(--neutral-200);
}

.case-study-item:nth-child(even) {
    direction: rtl;
}

.case-study-item:nth-child(even) > * {
    direction: ltr;
}

@media (max-width: 768px) {
    .case-study-item,
    .case-study-item:nth-child(even) {
        grid-template-columns: 1fr;
        direction: ltr;
    }
}

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

.metric {
    text-align: center;
    padding: var(--space-4);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--neutral-200);
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-600);
    line-height: 1.2;
}

.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Scroll Progress */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-500), var(--secondary-500));
    z-index: var(--z-fixed);
    transition: width 0.1s linear;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-6);
    background: var(--primary-600);
    color: var(--text-inverse);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius);
    z-index: var(--z-tooltip);
    transition: top var(--transition);
}

.skip-link:focus {
    top: var(--space-6);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none !important; }
.visible { visibility: visible !important; }

@media (max-width: 640px) {
    .container { padding: 0 var(--space-4); }
    .section { padding: var(--space-16) 0; }
    .hero-stats { grid-template-columns: 1fr; gap: var(--space-6); }
    .case-study-metrics { grid-template-columns: 1fr; }
}