/* ========================================
   Addlens Technologies - Premium Styles
   ======================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-white: #ffffff;
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-dark-secondary: #111111;
    --color-dark-tertiary: #1a1a1a;
    --color-gray-100: #f8f9fa;
    --color-gray-200: #e9ecef;
    --color-gray-300: #dee2e6;
    --color-gray-400: #ced4da;
    --color-gray-500: #adb5bd;
    --color-gray-600: #6c757d;
    --color-gray-700: #495057;
    --color-gray-800: #343a40;
    --color-gray-900: #212529;
    
    /* Brand Colors */
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-primary-dark: #4f46e5;
    --color-accent: #06b6d4;
    --color-accent-light: #22d3ee;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-secondary) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --font-size-7xl: 4.5rem;
    
    /* 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;
    --spacing-5xl: 8rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-slower: 700ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);
    
    /* Layout */
    --container-max: 1280px;
    --navbar-height: 80px;
}

/* ========================================
   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-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

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

/* ========================================
   Utility Classes
   ======================================== */

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

@media (min-width: 480px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-xl);
    }
}

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

.section-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}

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

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ========================================
   Typography
   ======================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-dark .section-label {
    color: var(--color-accent-light);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-5xl);
    }
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

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

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-base);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-dark);
    transform: translateY(-2px);
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.navbar.scrolled .nav-link {
    color: var(--color-gray-800);
}

.navbar.scrolled .nav-link:hover {
    color: var(--color-primary);
}

.navbar.scrolled .logo-text {
    color: var(--color-dark);
}

/* Logo variants for dark/light backgrounds */
.logo-light {
    display: block;
}

.logo-dark {
    display: none;
}

.navbar.scrolled .logo-light {
    display: none;
}

.navbar.scrolled .logo-dark {
    display: block;
}

.nav-container {
    max-width: var(--container-max);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: var(--transition-base);
}

@media (min-width: 768px) {
    .logo-img {
        height: 48px;
    }
}

.logo-text {
    color: var(--color-white);
    transition: var(--transition-base);
}

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

.nav-menu {
    display: none;
    align-items: center;
    gap: var(--spacing-2xl);
}

@media (min-width: 1024px) {
    .nav-menu {
        display: flex;
    }
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition-base);
}

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

.nav-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

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

.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-sm);
}

@media (min-width: 1024px) {
    .nav-toggle {
        display: none;
    }
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-dark);
}

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

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

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

/* Mobile Menu */
.nav-menu.active {
    display: flex !important;
    flex-direction: column;
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: calc(100vh - var(--navbar-height));
    background-color: #0a0a0a !important;
    padding: var(--spacing-2xl);
    padding-top: var(--spacing-3xl);
    gap: var(--spacing-lg);
    z-index: 999;
    animation: mobileMenuFadeIn 0.3s ease;
    align-items: center;
    justify-content: flex-start;
    overflow-y: auto;
}

.navbar.scrolled .nav-menu.active {
    background-color: #0a0a0a !important;
}

.nav-menu.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99, 102, 241, 0.25) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

@keyframes mobileMenuFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-menu.active .nav-link {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    position: relative;
    z-index: 1;
}

.nav-menu.active .nav-cta {
    font-size: var(--font-size-xl);
    color: var(--color-white);
    position: relative;
    z-index: 1;
    background: var(--gradient-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
}

/* Override scrolled navbar styles for active mobile menu */
.navbar.scrolled .nav-menu.active .nav-link {
    color: var(--color-white) !important;
}

.navbar.scrolled .nav-menu.active .nav-link:hover {
    color: var(--color-primary-light) !important;
}

.navbar.scrolled .nav-menu.active .nav-cta {
    color: var(--color-white) !important;
}

/* ========================================
   Hero Section
   ======================================== */

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--color-dark);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 100%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}

.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;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: var(--spacing-4xl) 0;
}

.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, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    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: var(--radius-full);
    animation: pulse 2s infinite;
}

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

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--color-white);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-7xl);
    }
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: var(--font-size-xl);
    }
}

.hero-tagline {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--color-primary-light);
    font-style: italic;
    margin-bottom: var(--spacing-2xl);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: var(--spacing-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
    animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ========================================
   About Section
   ======================================== */

.about {
    background: var(--color-gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-lead {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--color-gray-900);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .about-lead {
        font-size: var(--font-size-2xl);
    }
}

.about-text p {
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-lg);
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
}

.list-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    color: var(--color-white);
    flex-shrink: 0;
}

.highlight-card {
    background: var(--color-white);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

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

.highlight-text {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    color: var(--color-gray-700);
}

@media (min-width: 768px) {
    .highlight-text {
        font-size: var(--font-size-2xl);
    }
}

.highlight-text strong {
    color: var(--color-primary);
}

/* ========================================
   Services Section
   ======================================== */

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

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

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

.service-card:hover {
    background: var(--color-dark-tertiary);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-base);
}

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

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--gradient-glow);
    border-radius: var(--radius-lg);
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-lg);
}

.service-number {
    position: absolute;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: rgba(255, 255, 255, 0.1);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.service-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ========================================
   AI Automation Section
   ======================================== */

.ai-section {
    background: var(--color-white);
    overflow: hidden;
}

.ai-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.ai-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(99, 102, 241, 0.05) 0%, transparent 50%);
}

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

@media (min-width: 1024px) {
    .ai-content {
        grid-template-columns: 1fr 1fr;
    }
}

.ai-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-2xl);
}

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

.ai-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray-800);
}

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

.ai-cta .btn {
    background: var(--color-dark);
    color: var(--color-white);
}

.ai-cta .btn:hover {
    background: var(--color-dark-secondary);
}

/* AI Visual */
.ai-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-visual-container {
    position: relative;
    width: 300px;
    height: 300px;
}

@media (min-width: 768px) {
    .ai-visual-container {
        width: 400px;
        height: 400px;
    }
}

.ai-orb {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
    animation: orbPulse 4s infinite;
}

@media (min-width: 768px) {
    .ai-orb {
        width: 120px;
        height: 120px;
    }
}

@keyframes orbPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        box-shadow: 0 0 80px rgba(99, 102, 241, 0.5);
    }
}

.ai-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    animation: ringPulse 4s infinite;
}

.ai-ring-1 {
    width: 180px;
    height: 180px;
    animation-delay: 0s;
}

.ai-ring-2 {
    width: 260px;
    height: 260px;
    animation-delay: 0.5s;
}

.ai-ring-3 {
    width: 340px;
    height: 340px;
    animation-delay: 1s;
}

@media (min-width: 768px) {
    .ai-ring-1 {
        width: 220px;
        height: 220px;
    }

    .ai-ring-2 {
        width: 320px;
        height: 320px;
    }

    .ai-ring-3 {
        width: 400px;
        height: 400px;
    }
}

@keyframes ringPulse {
    0%, 100% { 
        opacity: 0.3;
        transform: translate(-50%, -50%) scale(1);
    }
    50% { 
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.05);
    }
}

.ai-dots {
    position: absolute;
    inset: 0;
}

.ai-dots span {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    animation: dotFloat 6s infinite;
}

.ai-dots span:nth-child(1) { top: 10%; left: 50%; animation-delay: 0s; }
.ai-dots span:nth-child(2) { top: 30%; left: 85%; animation-delay: 0.5s; }
.ai-dots span:nth-child(3) { top: 70%; left: 90%; animation-delay: 1s; }
.ai-dots span:nth-child(4) { top: 90%; left: 50%; animation-delay: 1.5s; }
.ai-dots span:nth-child(5) { top: 70%; left: 10%; animation-delay: 2s; }
.ai-dots span:nth-child(6) { top: 30%; left: 15%; animation-delay: 2.5s; }
.ai-dots span:nth-child(7) { top: 50%; left: 5%; animation-delay: 3s; }
.ai-dots span:nth-child(8) { top: 50%; left: 95%; animation-delay: 3.5s; }

@keyframes dotFloat {
    0%, 100% { 
        transform: scale(1);
        opacity: 0.5;
    }
    50% { 
        transform: scale(1.5);
        opacity: 1;
    }
}

/* ========================================
   Why Choose Us Section
   ======================================== */

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

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

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

.why-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.why-item:hover {
    background: var(--color-dark-tertiary);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(5px);
}

.why-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--gradient-glow);
    border-radius: var(--radius-lg);
    color: var(--color-primary-light);
    flex-shrink: 0;
}

.why-item h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
}

@media (min-width: 768px) {
    .why-item h3 {
        font-size: var(--font-size-lg);
    }
}

.why-us-closing {
    text-align: center;
    padding-top: var(--spacing-2xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.why-us-closing p {
    font-size: var(--font-size-xl);
    color: var(--color-gray-400);
}

.why-us-closing strong {
    color: var(--color-primary-light);
}

/* ========================================
   Process Section
   ======================================== */

.process {
    background: var(--color-gray-100);
}

.process-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.process-step:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(10px);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 800;
    color: var(--color-white);
    flex-shrink: 0;
}

.step-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
}

/* ========================================
   Founder Section
   ======================================== */

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

@media (min-width: 1024px) {
    .founder-content {
        grid-template-columns: 2fr 1fr;
    }
}

.founder-quote blockquote {
    font-size: var(--font-size-lg);
    line-height: 1.8;
}

@media (min-width: 768px) {
    .founder-quote blockquote {
        font-size: var(--font-size-xl);
    }
}

.founder-quote p {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

.founder-highlight {
    color: var(--color-primary-light) !important;
    margin-top: var(--spacing-xl);
}

/* Vision Graphic */
.vision-graphic {
    position: relative;
    width: 250px;
    height: 250px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .vision-graphic {
        width: 300px;
        height: 300px;
    }
}

.vision-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150px;
    height: 150px;
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: visionPulse 4s infinite;
}

@media (min-width: 768px) {
    .vision-circle {
        width: 180px;
        height: 180px;
    }
}

@keyframes visionPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.7;
    }
}

.vision-lines {
    position: absolute;
    inset: 0;
}

.vision-lines span {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
    transform-origin: center;
    opacity: 0.3;
}

.vision-lines span:nth-child(1) { transform: translate(-50%, -50%) rotate(0deg); }
.vision-lines span:nth-child(2) { transform: translate(-50%, -50%) rotate(45deg); }
.vision-lines span:nth-child(3) { transform: translate(-50%, -50%) rotate(90deg); }
.vision-lines span:nth-child(4) { transform: translate(-50%, -50%) rotate(135deg); }

/* ========================================
   Results Section
   ======================================== */

.results {
    background: var(--color-white);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

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

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

.result-card {
    padding: var(--spacing-2xl);
    background: var(--color-gray-100);
    border-radius: var(--radius-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.result-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    transform: translateY(-5px);
}

.result-card:first-child {
    grid-column: 1 / -1;
    background: var(--gradient-primary);
    color: var(--color-white);
}

@media (min-width: 768px) {
    .result-card:first-child {
        grid-column: 1 / 2;
    }
}

.result-stat {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .result-stat {
        font-size: var(--font-size-6xl);
    }
}

.result-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--gradient-glow);
    border-radius: var(--radius-xl);
    color: var(--color-primary);
    margin: 0 auto var(--spacing-lg);
}

.result-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.result-card:first-child h3 {
    color: var(--color-white);
}

.result-card p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.result-card:first-child p {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Final CTA Section
   ======================================== */

.final-cta {
    background: var(--color-dark);
    color: var(--color-white);
    overflow: hidden;
    padding: var(--spacing-3xl) 0;
}

@media (min-width: 768px) {
    .final-cta {
        padding: var(--spacing-5xl) 0;
    }
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 50%, rgba(99, 102, 241, 0.2) 0%, transparent 60%);
}

.cta-wrapper {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (min-width: 768px) {
    .cta-wrapper {
        gap: var(--spacing-3xl);
    }
}

@media (min-width: 1024px) {
    .cta-wrapper {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-4xl);
    }
}

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

@media (min-width: 1024px) {
    .cta-content {
        text-align: left;
    }
}

.cta-title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-md);
}

@media (min-width: 480px) {
    .cta-title {
        font-size: var(--font-size-3xl);
        margin-bottom: var(--spacing-lg);
    }
}

@media (min-width: 768px) {
    .cta-title {
        font-size: var(--font-size-4xl);
        margin-bottom: var(--spacing-xl);
    }
}

@media (min-width: 1024px) {
    .cta-title {
        font-size: var(--font-size-5xl);
    }
}

.cta-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .cta-text {
        font-size: var(--font-size-lg);
        margin-bottom: var(--spacing-2xl);
    }
}

@media (min-width: 1024px) {
    .cta-text {
        font-size: var(--font-size-xl);
    }
}

.cta-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

@media (min-width: 768px) {
    .cta-features {
        gap: var(--spacing-md);
    }
}

@media (min-width: 1024px) {
    .cta-features {
        align-items: flex-start;
    }
}

.cta-feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-400);
    font-size: var(--font-size-xs);
}

@media (min-width: 480px) {
    .cta-feature {
        font-size: var(--font-size-sm);
    }
}

@media (min-width: 1024px) {
    .cta-feature {
        justify-content: flex-start;
    }
}

.cta-feature svg {
    color: var(--color-primary-light);
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

@media (min-width: 480px) {
    .cta-feature svg {
        width: 20px;
        height: 20px;
    }
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    width: 100%;
    max-width: 100%;
}

@media (min-width: 480px) {
    .contact-form-wrapper {
        padding: var(--spacing-xl);
        border-radius: var(--radius-2xl);
    }
}

@media (min-width: 768px) {
    .contact-form-wrapper {
        padding: var(--spacing-2xl);
    }
}

@media (min-width: 1024px) {
    .contact-form-wrapper {
        padding: var(--spacing-3xl);
    }
}

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

@media (min-width: 768px) {
    .contact-form {
        gap: var(--spacing-lg);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    width: 100%;
}

@media (min-width: 768px) {
    .form-group {
        gap: var(--spacing-sm);
    }
}

.form-group label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-gray-300);
}

@media (min-width: 480px) {
    .form-group label {
        font-size: var(--font-size-sm);
    }
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--color-dark-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--color-white);
    transition: all var(--transition-base);
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 480px) {
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: var(--spacing-md);
        font-size: var(--font-size-base);
    }
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-600);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 16px;
    padding-right: var(--spacing-3xl);
}

.form-group select option {
    background: var(--color-dark);
    color: var(--color-white);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

@media (min-width: 480px) {
    .form-group textarea {
        min-height: 120px;
    }
}

/* Phone Input with Country Selector */
.phone-input-group {
    display: flex;
    gap: var(--spacing-xs);
    width: 100%;
}

/* Custom Country Selector with Flags */
.country-selector-wrapper {
    position: relative;
    flex-shrink: 0;
}

.country-selector-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--color-dark-tertiary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-sm);
    padding-right: 24px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    color: var(--color-white);
    cursor: pointer;
    transition: all var(--transition-base);
    min-width: 90px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 4px center;
    background-size: 14px;
}

.country-selector-btn:hover,
.country-selector-btn:focus {
    border-color: var(--color-primary);
    outline: none;
}

.country-selector-btn .flag-icon {
    width: 20px;
    height: 15px;
    border-radius: 2px;
    object-fit: cover;
}

.country-selector-btn .country-code-text {
    font-weight: 500;
}

.country-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    min-width: 200px;
    max-height: 250px;
    overflow-y: auto;
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-top: 4px;
    z-index: 1000;
    display: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.country-dropdown.open {
    display: block;
}

.country-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.country-option:hover {
    background: rgba(99, 102, 241, 0.2);
}

.country-option.selected {
    background: rgba(99, 102, 241, 0.3);
}

.country-option .flag-icon {
    width: 24px;
    height: 18px;
    border-radius: 2px;
    object-fit: cover;
}

.country-option .country-name {
    flex: 1;
    font-size: var(--font-size-sm);
    color: var(--color-white);
}

.country-option .dial-code {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* Hidden select for form submission */
.country-select {
    display: none;
}

@media (min-width: 480px) {
    .country-selector-btn {
        padding: var(--spacing-md) var(--spacing-sm);
        padding-right: 28px;
        font-size: var(--font-size-base);
        min-width: 100px;
    }
    
    .country-selector-btn .flag-icon {
        width: 24px;
        height: 18px;
    }
}

.country-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.country-select option {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-sm);
}

.phone-input {
    flex: 1;
    min-width: 0;
}

.btn-full {
    width: 100%;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

@media (min-width: 480px) {
    .btn-full {
        padding: var(--spacing-md) var(--spacing-xl);
        font-size: var(--font-size-base);
    }
}

.form-note {
    text-align: center;
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    margin-top: var(--spacing-sm);
}

/* Form Success State */
.form-success {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
}

@media (min-width: 480px) {
    .form-success {
        padding: var(--spacing-3xl) var(--spacing-xl);
    }
}

.success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    margin: 0 auto var(--spacing-lg);
    color: var(--color-white);
}

@media (min-width: 480px) {
    .success-icon {
        width: 80px;
        height: 80px;
        margin-bottom: var(--spacing-xl);
    }
}

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

@media (min-width: 480px) {
    .success-icon svg {
        width: 48px;
        height: 48px;
    }
}

.form-success h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

@media (min-width: 480px) {
    .form-success h3 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-md);
    }
}

.form-success p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

@media (min-width: 480px) {
    .form-success p {
        font-size: var(--font-size-base);
    }
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--color-dark-secondary);
    color: var(--color-gray-400);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-3xl);
    padding-bottom: var(--spacing-3xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr 2fr;
    }
}

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

.footer-brand .logo-img {
    height: 36px;
}

@media (min-width: 768px) {
    .footer-brand .logo-img {
        height: 44px;
    }
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

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

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

.footer-col h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-lg);
}

.footer-col a {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-base);
}

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

.footer-bottom {
    padding-top: var(--spacing-2xl);
}

.footer-seo {
    margin-bottom: var(--spacing-xl);
}

.footer-seo p {
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    line-height: 1.8;
}

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

.footer-copyright p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 767px) {
    :root {
        --spacing-5xl: 5rem;
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

/* ========================================
   Accessibility
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

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

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 10000;
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}