/* ============================================
   PROMETHEUS TECH SYSTEMS - Unified Styles
   Dark/Light Theme Support
   ============================================ */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ============================================
   THEME VARIABLES
   ============================================ */

/* Dark Theme (Default) */
:root,
[data-theme="dark"] {
    /* Colors */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: #16161f;
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6a6a7a;
    
    --color-accent-cyan: #00f0ff;
    --color-accent-coral: #ff6b4a;
    --color-accent-violet: #9d4edd;
    --color-accent-lime: #c8ff00;
    
    --color-border: rgba(255, 255, 255, 0.05);
    --color-border-hover: rgba(0, 240, 255, 0.3);
    
    --gradient-primary: linear-gradient(135deg, var(--color-accent-cyan) 0%, var(--color-accent-violet) 100%);
    --gradient-warm: linear-gradient(135deg, var(--color-accent-coral) 0%, var(--color-accent-violet) 100%);
    --gradient-mesh: radial-gradient(ellipse at 20% 80%, rgba(0, 240, 255, 0.15) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 20%, rgba(157, 78, 221, 0.15) 0%, transparent 50%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow-cyan: 0 0 30px rgba(0, 240, 255, 0.3);
    --shadow-glow-coral: 0 0 30px rgba(255, 107, 74, 0.3);
    
    --btn-primary-text: var(--color-bg-primary);
    --btn-secondary-border: rgba(255, 255, 255, 0.2);
    --btn-secondary-hover-bg: rgba(0, 240, 255, 0.1);
    
    --header-bg: rgba(10, 10, 15, 0.9);
    --footer-bg: var(--color-bg-secondary);
    
    --input-bg: var(--color-bg-secondary);
    --input-border: rgba(255, 255, 255, 0.1);
    
    --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a0a0b0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

/* Light Theme */
[data-theme="light"] {
    /* Colors */
    --color-bg-primary: #f8f9fc;
    --color-bg-secondary: #ffffff;
    --color-bg-tertiary: #f0f2f7;
    --color-bg-card: #ffffff;
    
    --color-text-primary: #1a1a2e;
    --color-text-secondary: #4a4a5a;
    --color-text-muted: #7a7a8a;
    
    --color-accent-cyan: #0891b2;
    --color-accent-coral: #dc4a2d;
    --color-accent-violet: #7c3aed;
    --color-accent-lime: #65a30d;
    
    --color-border: rgba(26, 26, 46, 0.08);
    --color-border-hover: rgba(8, 145, 178, 0.3);
    
    --gradient-primary: linear-gradient(135deg, #0891b2 0%, #7c3aed 100%);
    --gradient-warm: linear-gradient(135deg, #dc4a2d 0%, #7c3aed 100%);
    --gradient-mesh: radial-gradient(ellipse at 20% 80%, rgba(8, 145, 178, 0.08) 0%, transparent 50%),
                     radial-gradient(ellipse at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%);
    
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-glow-cyan: 0 0 30px rgba(8, 145, 178, 0.2);
    --shadow-glow-coral: 0 0 30px rgba(220, 74, 45, 0.2);
    
    --btn-primary-text: #ffffff;
    --btn-secondary-border: rgba(26, 26, 46, 0.2);
    --btn-secondary-hover-bg: rgba(8, 145, 178, 0.1);
    
    --header-bg: rgba(255, 255, 255, 0.95);
    --footer-bg: #1a1a2e;
    
    --input-bg: var(--color-bg-tertiary);
    --input-border: rgba(26, 26, 46, 0.1);
    
    --select-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a4a5a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}

/* ============================================
   BASE VARIABLES (Theme Independent)
   ============================================ */

:root {
    /* Typography */
    --font-display: 'Space Mono', monospace;
    --font-body: 'DM Sans', sans-serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    --text-hero: clamp(2.5rem, 8vw, 6rem);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Layout */
    --max-width: 1400px;
    --header-height: 80px;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Background Texture & Mesh */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-mesh);
    pointer-events: none;
    z-index: -1;
    transition: background var(--transition-base);
}

/* Noise Texture Overlay (Dark theme only) */
[data-theme="dark"] body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 1000;
}

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

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    color: var(--color-text-secondary);
    font-size: var(--text-lg);
    max-width: 65ch;
}

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

ul, ol {
    list-style: none;
}

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

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

.section-header {
    margin-bottom: var(--space-3xl);
}

.section-label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-md);
    display: inline-block;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-lg);
}

.section-description {
    font-size: var(--text-xl);
    max-width: 600px;
}

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

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

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

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

/* ============================================
   THEME TOGGLE
   ============================================ */

.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    border-color: var(--color-accent-cyan);
    background: var(--btn-secondary-hover-bg);
}

.theme-icon {
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Show sun icon in dark mode, moon icon in light mode */
[data-theme="dark"] .theme-icon-dark {
    display: block;
}

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

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

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

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    transition: background var(--transition-base), backdrop-filter var(--transition-base), box-shadow var(--transition-base);
}

.header.scrolled {
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

[data-theme="light"] .header.scrolled {
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-img-large {
    height: 48px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    padding: var(--space-sm) 0;
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

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

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

.header-mobile-actions {
    display: none;
    align-items: center;
    gap: var(--space-sm);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: var(--space-sm);
    background: none;
    border: none;
}

.menu-toggle span {
    width: 28px;
    height: 2px;
    background: var(--color-text-primary);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 900px) {
    .menu-toggle {
        display: flex;
    }
    
    .header-mobile-actions {
        display: flex;
    }
    
    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--color-bg-primary);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--space-3xl);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }
    
    .nav.open {
        transform: translateX(0);
    }
    
    .nav-links {
        flex-direction: column;
        gap: var(--space-lg);
    }
    
    .nav-link {
        font-size: var(--text-2xl);
    }
    
    .nav-actions .theme-toggle {
        display: none;
    }
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--btn-primary-text);
    box-shadow: var(--shadow-glow-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(0, 240, 255, 0.4);
}

[data-theme="light"] .btn-primary {
    color: #ffffff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--btn-secondary-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent-cyan);
    background: var(--btn-secondary-hover-bg);
}

.btn-coral {
    background: var(--gradient-warm);
    color: var(--btn-primary-text);
    box-shadow: var(--shadow-glow-coral);
}

.btn-coral:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 50px rgba(255, 107, 74, 0.4);
}

[data-theme="light"] .btn-coral {
    color: #ffffff;
}

.btn-lg {
    font-size: var(--text-base);
    padding: var(--space-lg) var(--space-2xl);
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ============================================
   CARDS
   ============================================ */

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

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

[data-theme="light"] .card::before {
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.05) 0%, transparent 50%);
}

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

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

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: var(--text-2xl);
}

.card-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.card-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .hero {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.3em;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.hero-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--color-accent-cyan);
}

.hero-title {
    margin-bottom: var(--space-xl);
}

.hero-description {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2xl);
    max-width: 550px;
}

.hero-cta {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

/* Geometric Background */
.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    opacity: 0.6;
    pointer-events: none;
}

[data-theme="light"] .hero-bg {
    opacity: 0.4;
}

.hero-shape {
    position: absolute;
    border: 1px solid rgba(0, 240, 255, 0.2);
    border-radius: var(--border-radius-lg);
}

[data-theme="light"] .hero-shape {
    border-color: rgba(8, 145, 178, 0.3);
}

.hero-shape-1 {
    width: 400px;
    height: 400px;
    top: 20%;
    right: 10%;
    transform: rotate(45deg);
    animation: float 8s ease-in-out infinite;
}

.hero-shape-2 {
    width: 250px;
    height: 250px;
    top: 50%;
    right: 30%;
    border-color: rgba(157, 78, 221, 0.2);
    animation: float 10s ease-in-out infinite reverse;
}

[data-theme="light"] .hero-shape-2 {
    border-color: rgba(124, 58, 237, 0.3);
}

.hero-shape-3 {
    width: 150px;
    height: 150px;
    top: 30%;
    right: 5%;
    border-color: rgba(255, 107, 74, 0.2);
    animation: float 6s ease-in-out infinite;
}

[data-theme="light"] .hero-shape-3 {
    border-color: rgba(220, 74, 45, 0.3);
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
    top: 10%;
    right: -10%;
    animation: pulse 4s ease-in-out infinite;
}

[data-theme="light"] .hero-glow {
    background: radial-gradient(circle, rgba(8, 145, 178, 0.1) 0%, transparent 70%);
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(45deg); }
    50% { transform: translateY(-30px) rotate(45deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

/* ============================================
   STATS BAR
   ============================================ */

.stats-bar {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-2xl) 0;
}

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

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

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--color-border);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-sm);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-item:nth-child(2)::after {
        display: none;
    }
}

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

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

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

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

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

.service-card:hover::before {
    height: 100%;
}

.service-number {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-lg);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    font-size: 28px;
}

[data-theme="light"] .service-icon {
    background: rgba(8, 145, 178, 0.1);
}

.service-title {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
}

.service-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.service-feature {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.service-feature::before {
    content: '→';
    color: var(--color-accent-cyan);
}

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

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

/* ============================================
   PROCESS SECTION
   ============================================ */

.process-timeline {
    position: relative;
    padding-left: var(--space-3xl);
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-accent-cyan), var(--color-accent-violet), var(--color-accent-coral));
}

.process-step {
    position: relative;
    padding-bottom: var(--space-3xl);
}

.process-step:last-child {
    padding-bottom: 0;
}

.process-marker {
    position: absolute;
    left: calc(-1 * var(--space-3xl) + 4px);
    width: 24px;
    height: 24px;
    background: var(--color-bg-secondary);
    border: 2px solid var(--color-accent-cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-marker::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-accent-cyan);
    border-radius: 50%;
}

.process-content {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.process-label {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.process-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-md);
}

.process-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.process-duration {
    display: inline-block;
    margin-top: var(--space-md);
    padding: var(--space-xs) var(--space-md);
    background: rgba(0, 240, 255, 0.1);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-accent-cyan);
}

[data-theme="light"] .process-duration {
    background: rgba(8, 145, 178, 0.1);
}

/* ============================================
   PORTFOLIO / WORK SECTION
   ============================================ */

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

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.portfolio-item.featured {
    grid-column: span 2;
    aspect-ratio: 21 / 9;
}

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

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 10, 15, 0.95) 0%, rgba(10, 10, 15, 0.4) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-2xl);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.05);
}

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

.portfolio-category {
    font-family: var(--font-display);
    font-size: var(--text-xs);
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: var(--space-sm);
}

.portfolio-title {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-sm);
    color: #ffffff;
}

.portfolio-description {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-md);
}

.portfolio-tech {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.portfolio-tech-tag {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-item.featured {
        grid-column: span 1;
        aspect-ratio: 16 / 10;
    }
}

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonials-slider {
    display: flex;
    gap: var(--space-xl);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-xl);
    scrollbar-width: none;
}

.testimonials-slider::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    min-width: 400px;
    max-width: 500px;
    flex-shrink: 0;
    scroll-snap-align: start;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.testimonial-quote {
    font-size: var(--text-4xl);
    color: var(--color-accent-cyan);
    opacity: 0.3;
    position: absolute;
    top: var(--space-lg);
    right: var(--space-xl);
    font-family: Georgia, serif;
}

[data-theme="light"] .testimonial-quote {
    opacity: 0.5;
}

.testimonial-text {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.testimonial-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    color: #ffffff;
}

.testimonial-info {
    display: flex;
    flex-direction: column;
}

.testimonial-name {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
}

.testimonial-role {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

@media (max-width: 480px) {
    .testimonial-card {
        min-width: calc(100vw - var(--space-2xl) * 2);
    }
}

/* ============================================
   TECH STACK SECTION
   ============================================ */

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

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.tech-item:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tech-icon {
    font-size: var(--text-3xl);
    opacity: 0.8;
}

.tech-name {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    text-align: center;
}

@media (max-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 480px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d4a 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-lg);
    color: #ffffff;
}

.cta-description {
    font-size: var(--text-xl);
    margin: 0 auto var(--space-2xl);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.cta-section .btn-secondary {
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-section .btn-secondary:hover {
    border-color: var(--color-accent-cyan);
    background: rgba(0, 240, 255, 0.1);
}

/* ============================================
   TEAM SECTION
   ============================================ */

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

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

.team-photo {
    width: 100%;
    aspect-ratio: 1;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-5xl);
    color: var(--color-text-muted);
    transition: all var(--transition-base);
}

.team-member:hover .team-photo {
    border-color: var(--color-border-hover);
}

.team-name {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    margin-bottom: var(--space-xs);
}

.team-role {
    font-size: var(--text-sm);
    color: var(--color-accent-cyan);
    margin-bottom: var(--space-sm);
}

.team-bio {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

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

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

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-2xl);
}

.contact-item {
    display: flex;
    gap: var(--space-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 240, 255, 0.1);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-xl);
    flex-shrink: 0;
}

[data-theme="light"] .contact-icon {
    background: rgba(8, 145, 178, 0.1);
}

.contact-label {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-xs);
}

.contact-value {
    font-size: var(--text-lg);
    color: var(--color-text-primary);
}

.contact-value a:hover {
    color: var(--color-accent-cyan);
}

/* Contact Form */
.contact-form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-sm);
}

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

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

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent-cyan);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-select {
    appearance: none;
    background-image: var(--select-arrow);
    background-repeat: no-repeat;
    background-position: right 1rem center;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

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

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

.footer {
    background: var(--footer-bg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    color: #ffffff;
}

.footer-description {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-lg);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: rgba(255, 255, 255, 0.8);
}

.social-link:hover {
    background: var(--color-accent-cyan);
    color: #1a1a2e;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    color: #ffffff;
}

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

.footer-link {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-accent-cyan);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-copyright {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal {
    display: flex;
    gap: var(--space-xl);
}

.footer-legal a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-legal a:hover {
    color: var(--color-accent-cyan);
}

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

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-lg);
        text-align: center;
    }
}

/* ============================================
   PAGE HERO (Internal Pages)
   ============================================ */

.page-hero {
    padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at 100% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

[data-theme="light"] .page-hero::before {
    background: radial-gradient(ellipse at 100% 50%, rgba(8, 145, 178, 0.08) 0%, transparent 70%);
}

.page-hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
}

.page-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.page-breadcrumb a:hover {
    color: var(--color-accent-cyan);
}

.page-breadcrumb span {
    color: var(--color-accent-cyan);
}

.page-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    margin-bottom: var(--space-lg);
}

.page-description {
    font-size: var(--text-xl);
}

/* ============================================
   PRICING SECTION
   ============================================ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    position: relative;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.pricing-card.featured {
    border-color: var(--color-accent-cyan);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--gradient-primary);
    color: #ffffff;
    font-family: var(--font-display);
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
}

.pricing-card:hover {
    border-color: var(--color-border-hover);
}

.pricing-tier {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    color: var(--color-accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.pricing-price {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    margin-bottom: var(--space-sm);
}

.pricing-price span {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
}

.pricing-description {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid var(--color-border);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.pricing-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
}

.pricing-feature::before {
    content: '✓';
    color: var(--color-accent-cyan);
    font-weight: 700;
}

@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

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

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xl) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    color: var(--color-text-primary);
    transition: color var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-accent-cyan);
}

.faq-icon {
    width: 24px;
    height: 24px;
    position: relative;
    flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
    content: '';
    position: absolute;
    background: var(--color-accent-cyan);
    transition: transform var(--transition-fast);
}

.faq-icon::before {
    width: 100%;
    height: 2px;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

.faq-icon::after {
    width: 2px;
    height: 100%;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
}

.faq-item.active .faq-icon::after {
    transform: translateX(-50%) rotate(90deg);
}

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

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

.faq-answer-content {
    padding-bottom: var(--space-xl);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ============================================
   CASE STUDY
   ============================================ */

.case-study-image {
    width: 100%;
    aspect-ratio: 21 / 9;
    background: var(--color-bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin: var(--space-3xl) 0;
    border: 1px solid var(--color-border);
}

.case-study-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--space-4xl);
}

.case-study-body h3 {
    margin-top: var(--space-2xl);
    margin-bottom: var(--space-lg);
}

.case-study-body p {
    margin-bottom: var(--space-lg);
}

.case-study-sidebar {
    position: sticky;
    top: calc(var(--header-height) + var(--space-xl));
}

.sidebar-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    margin-bottom: var(--space-xl);
    box-shadow: var(--shadow-sm);
}

.sidebar-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-lg);
    color: var(--color-accent-cyan);
}

.result-item {
    display: flex;
    flex-direction: column;
    margin-bottom: var(--space-lg);
}

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

.result-number {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

@media (max-width: 1024px) {
    .case-study-content {
        grid-template-columns: 1fr;
    }
    
    .case-study-sidebar {
        position: static;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0ms; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 100ms; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 200ms; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 300ms; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 400ms; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 500ms; }

.stagger-children.visible > * {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

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

@media (max-width: 480px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
        --space-3xl: 3rem;
        --space-4xl: 4rem;
        --space-5xl: 5rem;
    }
    
    .section {
        padding: var(--space-3xl) 0;
    }
    
    .container {
        padding: 0 var(--space-lg);
    }
}