/* =========================================
   Digital Studio Lab - Premium Styles
   ========================================= */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #818cf8;
    --color-secondary: #0ea5e9;
    --color-accent: #8b5cf6;
    
    --color-dark: #0f172a;
    --color-dark-100: #1e293b;
    --color-dark-200: #334155;
    --color-dark-300: #475569;
    
    --color-light: #f8fafc;
    --color-light-100: #f1f5f9;
    --color-light-200: #e2e8f0;
    --color-light-300: #cbd5e1;
    
    --color-white: #ffffff;
    --color-black: #000000;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #0ea5e9 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    --gradient-glow: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --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 rgba(99, 102, 241, 0.3);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 500ms ease;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark);
    color: var(--color-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* =========================================
   Navigation
   ========================================= */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-lg) 0;
    transition: all var(--transition-slow);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md) 0;
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-light-300);
    transition: color var(--transition-base);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

.nav-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-white);
    transition: all var(--transition-base);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-base);
}

/* =========================================
   Hero Section
   ========================================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: var(--spacing-4xl) 0;
    overflow: hidden;
}

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

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--color-primary);
    top: -200px;
    right: -200px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    bottom: -100px;
    left: -100px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--color-secondary);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 30px) scale(1.02); }
}

.grid-overlay {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-xl);
}

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

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-light-300);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-full {
    width: 100%;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-3xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.stat-plus {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-light-300);
    margin-top: var(--spacing-xs);
}

/* Phone Mockup */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    position: relative;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 40px;
    padding: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    box-shadow: 
        0 50px 100px -20px rgba(0, 0, 0, 0.5),
        0 30px 60px -30px rgba(99, 102, 241, 0.3);
}

.phone-notch {
    width: 120px;
    height: 30px;
    background: var(--color-dark);
    border-radius: 0 0 20px 20px;
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: var(--spacing-lg);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-xl);
}

.app-logo {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
}

.app-nav-dots {
    display: flex;
    gap: 4px;
}

.app-nav-dots span {
    width: 6px;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.app-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    height: 160px;
    margin-bottom: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    animation: shimmer 3s ease-in-out infinite;
}

.app-card.small {
    height: 80px;
}

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

.app-bottom-nav {
    margin-top: auto;
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
}

.app-bottom-nav span {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
}

.app-bottom-nav span.active {
    background: var(--gradient-primary);
}

.phone-glow {
    position: absolute;
    inset: -50px;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    z-index: -1;
    animation: glow 4s ease-in-out infinite;
}

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

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-light-300);
    font-size: 0.75rem;
    animation: bounce 2s ease-in-out infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    position: relative;
}

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

@keyframes scroll {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

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

/* =========================================
   Tech Stack Section
   ========================================= */
.tech-stack {
    padding: var(--spacing-3xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.2);
}

.tech-label {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-light-300);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-xl);
}

.tech-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-3xl);
    flex-wrap: wrap;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-light-300);
    transition: all var(--transition-base);
}

.tech-item:hover {
    color: var(--color-white);
    transform: translateY(-4px);
}

.tech-icon {
    width: 40px;
    height: 40px;
}

.tech-item span {
    font-size: 0.75rem;
    font-weight: 500;
}

/* =========================================
   Section Styles
   ========================================= */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-4xl);
}

.section-tag {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-light-300);
    line-height: 1.7;
}

/* =========================================
   Services Section
   ========================================= */
.services {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 100%);
}

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

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-slow);
    z-index: -1;
}

.service-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card.featured {
    grid-row: span 2;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-color: rgba(99, 102, 241, 0.2);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

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

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--color-light-300);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    font-size: 0.875rem;
    color: var(--color-light-200);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.service-features li::before {
    content: '✓';
    color: var(--color-primary-light);
    font-weight: 600;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary-light);
    transition: all var(--transition-base);
}

.service-link:hover {
    gap: var(--spacing-md);
    color: var(--color-white);
}

/* =========================================
   Process Section
   ========================================= */
.process {
    padding: var(--spacing-4xl) 0;
    background: var(--color-dark);
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-accent) 50%, var(--color-secondary) 100%);
    transform: translateX(-50%);
}

.process-step {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    position: relative;
}

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

.process-step:nth-child(even) .step-content {
    order: 3;
    text-align: left;
}

.process-step:nth-child(even) .step-icon {
    order: 1;
}

.step-number {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: rgba(99, 102, 241, 0.1);
    text-align: center;
}

.step-content {
    text-align: right;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    font-size: 0.9375rem;
    color: var(--color-light-300);
    line-height: 1.7;
}

.step-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    position: relative;
    z-index: 1;
}

.step-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-white);
}

/* =========================================
   About Section
   ========================================= */
.about {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(180deg, var(--color-dark) 0%, rgba(99, 102, 241, 0.03) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
}

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

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.about-content p {
    font-size: 1rem;
    color: var(--color-light-300);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.feature {
    display: flex;
    gap: var(--spacing-lg);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-primary-light);
}

.feature-text h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--color-light-300);
    margin-bottom: 0;
}

/* About Visual */
.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

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

.card-icon {
    font-size: 4rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-lg);
}

.card-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.card-content p {
    color: var(--color-light-300);
    margin-bottom: var(--spacing-lg);
}

.card-location {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-light-300);
}

.card-location svg {
    width: 16px;
    height: 16px;
}

/* =========================================
   Contact Section
   ========================================= */
.contact {
    padding: var(--spacing-4xl) 0;
    background: var(--color-dark);
}

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

.contact-info .section-tag {
    margin-bottom: var(--spacing-md);
}

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.contact-info > p {
    font-size: 1rem;
    color: var(--color-light-300);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-primary-light);
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.75rem;
    color: var(--color-light-300);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.contact-text a,
.contact-text span {
    font-size: 1rem;
    font-weight: 500;
}

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

.contact-cta {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.contact-cta p {
    margin-bottom: var(--spacing-md);
}

.contact-cta ol {
    list-style: decimal;
    padding-left: var(--spacing-lg);
}

.contact-cta li {
    font-size: 0.9375rem;
    color: var(--color-light-300);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* Contact Form */
.form-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-2xl);
}

.form-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.form-card > p {
    color: var(--color-light-300);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-light-300);
}

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

.form-note {
    font-size: 0.75rem;
    color: var(--color-light-300);
    text-align: center;
    margin-top: var(--spacing-md);
}

/* =========================================
   Footer
   ========================================= */
.footer {
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
    background: var(--color-dark-100);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-brand .logo {
    margin-bottom: var(--spacing-lg);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--color-light-300);
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-lg);
}

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

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-light-300);
    transition: color var(--transition-base);
}

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

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

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-light-300);
}

/* =========================================
   Responsive Styles
   ========================================= */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 0 var(--spacing-lg);
    }
    
    .hero-subtitle {
        margin: 0 auto var(--spacing-2xl);
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .service-card.featured {
        grid-row: span 1;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        order: -1;
    }
    
    .about-content .section-title {
        text-align: center;
    }
    
    .about-content p {
        text-align: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info .section-title {
        text-align: center;
    }
    
    .contact-info > p {
        text-align: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-dark-100);
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-2xl);
        gap: var(--spacing-xl);
        transition: right var(--transition-slow);
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-title {
        font-size: clamp(1.75rem, 6vw, 2.5rem);
        word-wrap: break-word;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        padding: 0 var(--spacing-sm);
    }
    
    .hero-badge {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        padding: 0 var(--spacing-sm);
    }
    
    .btn {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
        font-size: 0.9rem;
    }
    
    .section-header {
        padding: 0 var(--spacing-sm);
    }
    
    .section-title {
        font-size: clamp(1.5rem, 5vw, 2rem);
        word-wrap: break-word;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .services {
        padding: var(--spacing-2xl) 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .service-card {
        padding: var(--spacing-lg);
    }
    
    .process {
        padding: var(--spacing-2xl) 0;
    }
    
    .process-timeline::before {
        left: 25px;
    }
    
    .process-step {
        grid-template-columns: 50px 1fr;
        gap: var(--spacing-md);
    }
    
    .process-step .step-content,
    .process-step:nth-child(even) .step-content {
        order: 2;
        text-align: left;
    }
    
    .process-step .step-icon,
    .process-step:nth-child(even) .step-icon {
        order: 1;
    }
    
    .step-number {
        display: none;
    }
    
    .step-icon {
        width: 50px;
        height: 50px;
        flex-shrink: 0;
    }
    
    .step-content h3 {
        font-size: 1.1rem;
    }
    
    .step-content p {
        font-size: 0.875rem;
    }
    
    .about {
        padding: var(--spacing-2xl) 0;
    }
    
    .about-card {
        max-width: 100%;
        aspect-ratio: auto;
        padding: var(--spacing-2xl);
    }
    
    .contact {
        padding: var(--spacing-2xl) 0;
    }
    
    .contact-cta {
        padding: var(--spacing-lg);
    }
    
    .contact-cta ol {
        padding-left: var(--spacing-md);
    }
    
    .contact-cta li {
        font-size: 0.875rem;
    }
    
    .form-card {
        padding: var(--spacing-lg);
    }
    
    .form-card h3 {
        font-size: 1.25rem;
    }
    
    .footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .footer-brand p {
        max-width: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .tech-stack {
        padding: var(--spacing-xl) 0;
    }
    
    .tech-logos {
        gap: var(--spacing-lg);
    }
    
    .tech-item {
        min-width: 60px;
    }
    
    .tech-icon {
        width: 32px;
        height: 32px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo-icon {
        font-size: 1.25rem;
    }
    
    .hero {
        min-height: auto;
        padding: 100px 0 var(--spacing-xl);
    }
    
    .hero-container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-badge {
        font-size: 0.7rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    .hero-buttons {
        gap: var(--spacing-sm);
        margin-bottom: var(--spacing-xl);
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.85rem;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .tech-logos {
        gap: var(--spacing-md);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tech-item {
        min-width: 50px;
    }
    
    .tech-item span {
        font-size: 0.65rem;
    }
    
    .tech-icon {
        width: 28px;
        height: 28px;
    }
    
    .section-header {
        margin-bottom: var(--spacing-xl);
    }
    
    .section-tag {
        font-size: 0.65rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.35rem;
        line-height: 1.3;
    }
    
    .section-subtitle {
        font-size: 0.9rem;
    }
    
    .services-grid {
        gap: var(--spacing-sm);
    }
    
    .service-card {
        padding: var(--spacing-md);
    }
    
    .service-icon {
        width: 48px;
        height: 48px;
        margin-bottom: var(--spacing-md);
    }
    
    .service-icon svg {
        width: 22px;
        height: 22px;
    }
    
    .service-card h3 {
        font-size: 1.1rem;
    }
    
    .service-card p {
        font-size: 0.85rem;
    }
    
    .service-features li {
        font-size: 0.8rem;
    }
    
    .process-timeline::before {
        left: 20px;
    }
    
    .process-step {
        grid-template-columns: 40px 1fr;
        gap: var(--spacing-sm);
    }
    
    .step-icon {
        width: 40px;
        height: 40px;
    }
    
    .step-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .step-content h3 {
        font-size: 1rem;
    }
    
    .step-content p {
        font-size: 0.8rem;
    }
    
    .about-features {
        gap: var(--spacing-lg);
    }
    
    .feature {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
    }
    
    .feature-icon svg {
        width: 20px;
        height: 20px;
    }
    
    .feature-text h4 {
        font-size: 0.95rem;
    }
    
    .feature-text p {
        font-size: 0.8rem;
    }
    
    .about-card {
        padding: var(--spacing-lg);
    }
    
    .card-icon {
        font-size: 2.5rem;
    }
    
    .card-content h3 {
        font-size: 1.2rem;
    }
    
    .card-content p {
        font-size: 0.85rem;
    }
    
    .contact-details {
        gap: var(--spacing-md);
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }
    
    .contact-icon {
        width: 40px;
        height: 40px;
    }
    
    .contact-icon svg {
        width: 18px;
        height: 18px;
    }
    
    .contact-text a,
    .contact-text span {
        font-size: 0.9rem;
    }
    
    .contact-cta {
        padding: var(--spacing-md);
    }
    
    .contact-cta li {
        font-size: 0.8rem;
    }
    
    .form-card {
        padding: var(--spacing-md);
    }
    
    .form-card h3 {
        font-size: 1.1rem;
    }
    
    .form-card > p {
        font-size: 0.85rem;
    }
    
    .form-group label {
        font-size: 0.8rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .form-note {
        font-size: 0.7rem;
    }
    
    .footer-links h4 {
        font-size: 0.8rem;
    }
    
    .footer-links a {
        font-size: 0.85rem;
    }
    
    .footer-bottom p {
        font-size: 0.75rem;
    }
}

/* =========================================
   Animations
   ========================================= */
[data-aos] {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease-out;
}

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

/* Smooth scroll offset for fixed header */
html {
    scroll-padding-top: 100px;
}

/* Selection color */
::selection {
    background: rgba(99, 102, 241, 0.3);
    color: var(--color-white);
}

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

/* Loading animation */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

body {
    animation: fadeIn 0.5s ease-out;
}