/* Kairos Landing Page - Professional Design System */

/* ==================== DESIGN TOKENS ==================== */
:root {
    /* Colors */
    --color-primary: #000000;
    --color-primary-hover: #1A1A1A;
    --color-primary-light: #333333;
    --color-neutral-50: #F8FAFC;
    --color-neutral-100: #F1F5F9;
    --color-neutral-200: #E2E8F0;
    --color-neutral-300: #CBD5E1;
    --color-neutral-400: #94A3B8;
    --color-neutral-500: #64748B;
    --color-neutral-600: #475569;
    --color-neutral-700: #334155;
    --color-neutral-800: #1E293B;
    --color-neutral-900: #0F172A;
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;    /* 12px */
    --font-size-sm: 0.875rem;   /* 14px */
    --font-size-base: 1rem;     /* 16px */
    --font-size-lg: 1.125rem;   /* 18px */
    --font-size-xl: 1.25rem;    /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */
    --font-size-4xl: 2.25rem;   /* 36px */
    --font-size-5xl: 3rem;      /* 48px */
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.625;
    
    /* Spacing Scale (8px base) */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;    /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;       /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    --space-32: 8rem;     /* 128px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;   /* 4px */
    --radius-md: 0.5rem;    /* 8px */
    --radius-lg: 0.75rem;   /* 12px */
    --radius-xl: 1rem;      /* 16px */
    --radius-2xl: 1.5rem;   /* 24px */
    --radius-full: 9999px;
    
    /* 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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Animation */
    --duration-fast: 120ms;
    --duration-normal: 200ms;
    --duration-slow: 300ms;
    --easing-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --easing-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* Layout */
    --container-max-width: 1200px;
    --grid-columns: 12;
    --grid-gap: var(--space-6);
}

/* ==================== RESET AND 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-primary);
    background: var(--color-black);
    color: var(--color-white);
    line-height: var(--line-height-normal);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== UTILITY CLASSES ==================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

/* Typography Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-neutral-300) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Animation Utilities */
.fade-in {
    opacity: 0;
    transform: translateY(var(--space-3));
    transition: opacity var(--duration-normal) var(--easing-ease-out),
                transform var(--duration-normal) var(--easing-ease-out);
}

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

/* Ensure header and hero are always visible */
.header {
    opacity: 1 !important;
    transform: none !important;
}

.hero.fade-in {
    opacity: 1 !important;
    transform: none !important;
}

/* Ensure FAQ items are always visible for interaction */
.faq-item.fade-in {
    opacity: 1 !important;
    transform: none !important;
}

.hover-raise {
    transition: transform var(--duration-fast) var(--easing-ease-out);
}

.hover-raise:hover {
    transform: translateY(-2px);
}

.hover-scale {
    transition: transform var(--duration-fast) var(--easing-ease-out);
}

.hover-scale:hover {
    transform: scale(1.02);
}

/* Focus States */
.focus-ring {
    outline: 2px solid transparent;
    outline-offset: 2px;
    transition: outline-color var(--duration-fast) var(--easing-ease-out);
}

.focus-ring:focus {
    outline-color: var(--color-primary);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .fade-in,
    .hover-raise,
    .hover-scale {
        transition: none;
    }
    
    .fade-in {
        opacity: 1;
        transform: none;
    }
}

/* ==================== HEADER & NAVIGATION ==================== */
.header {
    position: relative;
    background: transparent;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 100;
    transition: all var(--duration-normal) var(--easing-ease-out);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* Header scrolls naturally with page content */

.nav {
    padding: var(--space-4) 0;
    position: relative;
}

.nav-container {
    position: relative;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Duplicate nav-container rule removed */

.nav-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-white);
    z-index: 10;
    transition: transform var(--duration-fast) var(--easing-ease-out);
}

.nav-logo:hover {
    transform: translateX(-50%) scale(1.05);
}

.logo-img {
    width: 150px;
    height: 70px;
    object-fit: contain;
    transition: filter var(--duration-fast) var(--easing-ease-out);
}

.logo-img:hover {
    filter: brightness(1.1);
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: var(--space-8);
}

.nav-left {
    flex: 1;
    justify-content: flex-start;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    flex: 1;
    justify-content: flex-end;
}

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    transition: color var(--duration-fast) var(--easing-ease-out);
    position: relative;
    padding: var(--space-2) 0;
}

.nav-link:hover {
    color: var(--color-neutral-300);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--duration-normal) var(--easing-ease-out);
}

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

.nav-cta {
    background: #90794d;
    color: white;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--duration-fast) var(--easing-ease-out);
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--duration-normal) var(--easing-ease-out);
}

.nav-cta:hover::before {
    left: 100%;
}

.nav-cta:hover {
    background: transparent;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.nav-login {
    color: var(--color-neutral-400) !important;
    transition: color var(--duration-fast) var(--easing-ease-out);
}

.nav-login:hover {
    color: var(--color-white) !important;
}

.mobile-menu {
    display: none;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: var(--space-1);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background-color var(--duration-fast) var(--easing-ease-out);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--color-white);
    transition: all var(--duration-normal) var(--easing-ease-out);
    border-radius: var(--radius-sm);
}

/* ==================== SECTION DIVIDERS ==================== */
.section-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--color-primary) 50%, transparent 100%);
    margin: 0;
    box-shadow: 0 0 10px rgba(79, 70, 229, 0.3);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-neutral-900) 100%);
    margin-top: 0; /* Natural spacing from header */
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 2;
}

.hero-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
    position: relative;
    z-index: 3;
    width: 100%;
}

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

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-light);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    color: var(--color-white);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    letter-spacing: -0.02em;
    font-family: var(--font-family-primary);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-white);
    margin-bottom: var(--space-10);
    line-height: var(--line-height-relaxed);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.01em;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    transition: all var(--duration-fast) var(--easing-ease-out);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

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

.btn-primary {
    background: var(--color-white);
    color: var(--color-black);
    border-color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: var(--color-white);
    border-color: var(--color-white);
    color: var(--color-black);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary:active {
    transform: translateY(0);
    box-shadow: none;
    background: rgba(255, 255, 255, 0.05);
}

.btn-large {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-lg);
}

.btn-outline {
    background: #90794d;
    color: var(--color-white);
    border-color: #90794d;
}

.btn-outline:hover {
    background: transparent;
    color: #90794d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline:active {
    transform: translateY(0);
    box-shadow: none;
    background: rgba(255, 255, 255, 0.9);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-placeholder {
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.hero-image {
    width: 100%;
    height: auto;
    max-width: 500px;
    max-height: 500px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

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

.orb-animation {
    position: relative;
    width: 200px;
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.orb {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, #ffffff 0%, #cccccc 100%);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: #000000;
    position: relative;
    z-index: 3;
    box-shadow: 0 0 50px rgba(255, 255, 255, 0.3);
    animation: float 3s ease-in-out infinite;
}

.pulse-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
    height: 120px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: pulse 2s ease-out infinite;
}

.delay-1 {
    animation-delay: 0.5s;
}

.delay-2 {
    animation-delay: 1s;
}

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

@keyframes pulse {
    0% {
        width: 120px;
        height: 120px;
        opacity: 1;
    }
    100% {
        width: 200px;
        height: 200px;
        opacity: 0;
    }
}

/* ==================== SECTIONS ==================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.25rem;
    color: #666666;
    max-width: 600px;
    margin: 0 auto;
}

/* ==================== FEATURES SECTION ==================== */
.features {
    padding: var(--space-32) 0;
    background: var(--color-white);
    color: var(--color-black);
    position: relative;
    z-index: 1;
}

.features-header {
    text-align: center;
    margin-bottom: var(--space-20);
}

.features-subtitle {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
    display: block;
}

.features-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-black);
    line-height: var(--line-height-tight);
    margin: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-10);
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-xl);
    padding: var(--space-12) var(--space-10);
    text-align: center;
    transition: all var(--duration-normal) var(--easing-ease-out);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-neutral-300);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--color-neutral-100);
    border-radius: var(--radius-lg);
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto var(--space-8);
    font-size: var(--font-size-2xl);
    transition: all var(--duration-normal) var(--easing-ease-out);
    position: relative;
    overflow: hidden;
}

.feature-icon i {
    position: relative;
    z-index: 2;
    color: var(--color-white);
}

/* Colorful feature icons with different vibrant colors */
.feature-card:nth-child(1) .feature-icon {
    background: transparent;
    box-shadow: none;
}

.feature-card:nth-child(1) .feature-icon i {
    color: #FF1493; /* Hot Pink */
}

.feature-card:nth-child(2) .feature-icon {
    background: transparent;
    box-shadow: none;
}

.feature-card:nth-child(2) .feature-icon i {
    color: #00BFFF; /* Deep Sky Blue */
}

.feature-card:nth-child(3) .feature-icon {
    background: transparent;
    box-shadow: none;
}

.feature-card:nth-child(3) .feature-icon i {
    color: #FF8C00; /* Dark Orange */
}

.feature-card:nth-child(4) .feature-icon {
    background: transparent;
    box-shadow: none;
}

.feature-card:nth-child(4) .feature-icon i {
    color: #8A2BE2; /* Blue Violet */
}

.feature-card:nth-child(5) .feature-icon {
    background: transparent;
    box-shadow: none;
}

.feature-card:nth-child(5) .feature-icon i {
    color: #00FF7F; /* Spring Green */
}

.feature-card:nth-child(6) .feature-icon {
    background: transparent;
    box-shadow: none;
}

.feature-card:nth-child(6) .feature-icon i {
    color: #FF4500; /* Orange Red */
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
}

/* No hover glow effects */
.feature-card:nth-child(1):hover .feature-icon,
.feature-card:nth-child(2):hover .feature-icon,
.feature-card:nth-child(3):hover .feature-icon,
.feature-card:nth-child(4):hover .feature-icon,
.feature-card:nth-child(5):hover .feature-icon,
.feature-card:nth-child(6):hover .feature-icon {
    box-shadow: none;
}

/* Icon colors are set directly on the icon containers above */

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-tight);
}

.feature-description {
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-6);
}

.feature-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: all var(--duration-fast) var(--easing-ease-out);
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
    position: relative;
}

.feature-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--duration-normal) var(--easing-ease-out);
}

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

.feature-link:hover::after {
    width: 100%;
}

/* ==================== APPLICATIONS SECTION ==================== */
.applications {
    padding: 8rem 0;
    background: #ffffff;
    color: #000000;
}

.applications-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.applications-left {
    position: relative;
}

.video-container {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    background: #f8f9fa;
    aspect-ratio: 16/9;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.play-button {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.play-button:hover {
    transform: scale(1.1);
    background: #ffffff;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.play-icon {
    width: 0;
    height: 0;
    border-left: 24px solid #00bfff;
    border-top: 14px solid transparent;
    border-bottom: 14px solid transparent;
    margin-left: 6px;
}

.applications-right {
    padding-left: 2rem;
}

.applications-subtitle {
    font-size: 0.875rem;
    font-weight: 500;
    color: #999999;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    display: block;
}

.applications-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000000;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.applications-description {
    font-size: 1.125rem;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: #000000;
    line-height: 1;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-superscript {
    font-size: 1.5rem;
    vertical-align: super;
    margin-left: 2px;
}

.stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: #000000;
    margin-bottom: 1rem;
    display: block;
}

.stat-description {
    font-size: 0.95rem;
    color: #666666;
    line-height: 1.5;
    margin: 0;
}



/* ==================== ABOUT SECTION ==================== */
.about {
    padding: var(--space-32) 0;
    background: var(--color-neutral-50);
    color: var(--color-black);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-24);
    align-items: center;
    max-width: var(--container-max-width);
    margin: 0 auto;
}

.about-left {
    padding-right: var(--space-8);
}

.about-subtitle {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-neutral-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-4);
    display: block;
}

.about-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-8);
}

.about-title-text {
    color: var(--color-black);
}

.about-title-accent {
    color: #90794d;
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    margin-bottom: var(--space-12);
    line-height: var(--line-height-relaxed);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.stat-item {
    text-align: left;
    padding: var(--space-6);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-neutral-200);
    transition: all var(--duration-normal) var(--easing-ease-out);
    box-shadow: var(--shadow-sm);
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-neutral-300);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
    display: block;
}

.stat-label {
    color: var(--color-black);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2);
    display: block;
}

.stat-description {
    color: var(--color-neutral-600);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    margin: 0;
}

.about-right {
    position: relative;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-neutral-200);
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    width: 100%;
}

.tech-item {
    background: var(--color-neutral-50);
    border: 1px solid var(--color-neutral-200);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--duration-normal) var(--easing-ease-out);
}

.tech-item:hover {
    transform: translateY(-2px);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
    border-color: var(--color-neutral-300);
}

.tech-item i {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-3);
    display: block;
    transition: all var(--duration-normal) var(--easing-ease-out);
    color: var(--color-primary);
}

.tech-item:hover i {
    transform: scale(1.1);
    color: var(--color-primary-hover);
}

/* Colorful tech icons */
.tech-item:nth-child(1) i {
    color: #FF6B6B; /* Red for AI */
}

.tech-item:nth-child(2) i {
    color: #4ECDC4; /* Teal for Voice */
}

.tech-item:nth-child(3) i {
    color: #45B7D1; /* Blue for Cloud */
}

.tech-item:nth-child(4) i {
    color: #96CEB4; /* Green for Security */
}

.tech-item span {
    color: var(--color-black);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-sm);
}

/* ==================== FAQ SECTION ==================== */
.faq {
    padding: var(--space-24) 0;
    background: var(--color-white);
    color: var(--color-black);
}

.faq-title-text {
    color: var(--color-black);
}

.faq-title-accent {
    color: #90794d;
}

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

.faq-item {
    background: var(--color-neutral-50);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--duration-normal) var(--easing-ease-out);
    border: 1px solid var(--color-neutral-200);
    position: relative;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-neutral-300);
}

.faq-question {
    padding: var(--space-6) var(--space-8);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--color-neutral-50);
    border: none;
    width: 100%;
    text-align: left;
    transition: background-color var(--duration-fast) var(--easing-ease-out);
    font-family: inherit;
}

.faq-question:hover {
    background: var(--color-neutral-100);
}

.faq-question h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin: 0;
    flex: 1;
    line-height: var(--line-height-tight);
}

.faq-icon {
    font-size: var(--font-size-base);
    color: var(--color-neutral-600);
    transition: transform var(--duration-normal) var(--easing-ease-out);
    margin-left: var(--space-4);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    background: var(--color-white);
    padding: 0 var(--space-8) 0;
    opacity: 0;
    visibility: hidden;
    transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out, padding 0.3s ease-in-out, visibility 0.3s ease-in-out;
    border: none;
    outline: none;
    box-shadow: none;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
    padding: 0 var(--space-8) var(--space-6);
    border: none;
    outline: none;
}

.faq-answer p {
    padding: 0;
    margin: 0;
    color: var(--color-neutral-600);
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
}

/* ==================== CTA SECTION ==================== */
.cta {
    padding: var(--space-24) 0;
    background: var(--color-white);
    text-align: center;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
    line-height: var(--line-height-tight);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    margin-bottom: var(--space-12);
    line-height: var(--line-height-relaxed);
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.01em;
}

.cta-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.cta .btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.cta .btn-primary:hover {
    background: var(--color-primary-hover);
    color: var(--color-white);
    border-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta .btn-outline {
    background: #90794d;
    color: var(--color-white);
    border-color: #90794d;
}

.cta .btn-outline:hover {
    background: transparent;
    color: #90794d;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* ==================== FLASH MESSAGES ==================== */
.flash-messages {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 10000;
    max-width: 400px;
}

.flash-message {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    margin-bottom: 12px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: slideInRight 0.3s ease;
    position: relative;
}

.flash-success {
    background: #10b981;
    color: #ffffff;
    border-left: 4px solid #059669;
}

.flash-error {
    background: #ef4444;
    color: #ffffff;
    border-left: 4px solid #dc2626;
}

.flash-info {
    background: #3b82f6;
    color: #ffffff;
    border-left: 4px solid #2563eb;
}

.flash-message i {
    font-size: 1.125rem;
    flex-shrink: 0;
}

.flash-message span {
    flex: 1;
    font-weight: 500;
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s ease;
}

.flash-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ==================== CONTACT PAGE ==================== */
.contact-hero {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    padding: 8rem 0 4rem;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.contact-hero-content {
    position: relative;
    z-index: 2;
}

.contact-hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e0e0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-hero-subtitle {
    font-size: 1.25rem;
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.contact-section {
    padding: 6rem 0;
    background: #ffffff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 1.5rem;
}

.contact-description {
    font-size: 1.125rem;
    color: #666666;
    line-height: 1.6;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-method:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.contact-method-icon {
    width: 50px;
    height: 50px;
    background: #000000;
    color: #ffffff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    position: relative;
    transition: all 0.3s ease;
}

/* Neon glow effects for contact method icons */
.contact-method:nth-child(1) .contact-method-icon {
    background: linear-gradient(135deg, #00bfff, #0080ff);
    box-shadow: 0 0 20px rgba(0, 191, 255, 0.5), 0 0 40px rgba(0, 191, 255, 0.3);
    animation: neonPulse 2s ease-in-out infinite alternate;
}

.contact-method:nth-child(2) .contact-method-icon {
    background: linear-gradient(135deg, #ff6b35, #ff8c00);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.5), 0 0 40px rgba(255, 107, 53, 0.3);
    animation: neonPulse 2s ease-in-out infinite alternate;
    animation-delay: 0.5s;
}

.contact-method:nth-child(3) .contact-method-icon {
    background: linear-gradient(135deg, #ff4757, #ff3742);
    box-shadow: 0 0 20px rgba(255, 71, 87, 0.5), 0 0 40px rgba(255, 71, 87, 0.3);
    animation: neonPulse 2s ease-in-out infinite alternate;
    animation-delay: 1s;
}


/* Hover effects for neon icons */
.contact-method:hover .contact-method-icon {
    transform: scale(1.1);
    box-shadow: 0 0 30px rgba(0, 191, 255, 0.8), 0 0 60px rgba(0, 191, 255, 0.6);
}

.contact-method:nth-child(1):hover .contact-method-icon {
    box-shadow: 0 0 30px rgba(0, 191, 255, 0.8), 0 0 60px rgba(0, 191, 255, 0.6);
}

.contact-method:nth-child(2):hover .contact-method-icon {
    box-shadow: 0 0 30px rgba(255, 107, 53, 0.8), 0 0 60px rgba(255, 107, 53, 0.6);
}

.contact-method:nth-child(3):hover .contact-method-icon {
    box-shadow: 0 0 30px rgba(255, 71, 87, 0.8), 0 0 60px rgba(255, 71, 87, 0.6);
}


/* Neon pulse animation */
@keyframes neonPulse {
    0% {
        box-shadow: 0 0 20px rgba(0, 191, 255, 0.5), 0 0 40px rgba(0, 191, 255, 0.3);
    }
    100% {
        box-shadow: 0 0 30px rgba(0, 191, 255, 0.8), 0 0 60px rgba(0, 191, 255, 0.6);
    }
}

.contact-method-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #000000;
    margin-bottom: 0.5rem;
}

.contact-method-content p {
    font-size: 1rem;
    color: #333333;
    margin-bottom: 0.25rem;
}

.contact-method-content span {
    font-size: 0.875rem;
    color: #666666;
}

.contact-form-container {
    background: #f8f9fa;
    padding: 3rem;
    border-radius: 16px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.form-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #000000;
    margin-bottom: 2rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    color: #333333;
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #ffffff;
    color: #333333;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: #000000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

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

.form-submit {
    width: 100%;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #000000;
    color: #ffffff;
    border: 2px solid #000000;
}

.form-submit::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: #ffffff;
    transition: width 0.3s ease;
}

.form-submit:hover::before {
    width: 100%;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    background: #000000;
    color: #ffffff;
}

/* Duplicate FAQ styles removed - using the main ones above */

/* Contact Page Responsive */
@media (max-width: 768px) {
    .contact-hero-title {
        font-size: 2.5rem;
    }
    
    .contact-hero-subtitle {
        font-size: 1.125rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
    
    .contact-method {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-method-icon {
        align-self: center;
    }
}

@media (max-width: 480px) {
    .contact-hero {
        padding: 6rem 0 3rem;
    }
    
    .contact-hero-title {
        font-size: 2rem;
    }
    
    .contact-section {
        padding: 4rem 0;
    }
    
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .contact-method {
        padding: 1rem;
    }
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-neutral-900);
    padding: var(--space-16) 0 var(--space-8);
}

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

.footer-left {
    color: var(--color-neutral-300);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.footer-logo .logo-img {
    width: 250px;
    height: 32px;
}

.footer-logo .logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
}

.footer-description {
    margin-bottom: var(--space-8);
    line-height: var(--line-height-relaxed);
    color: var(--color-neutral-300);
    font-size: var(--font-size-base);
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--color-white);
    text-decoration: none;
    transition: all var(--duration-fast) var(--easing-ease-out);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.footer-middle {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.footer-column {
    color: var(--color-neutral-300);
}

.footer-title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-6);
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--color-neutral-300);
    text-decoration: none;
    transition: color var(--duration-fast) var(--easing-ease-out);
    font-size: var(--font-size-sm);
}

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

.footer-right {
    color: var(--color-neutral-300);
}

.newsletter-form {
    margin-top: var(--space-4);
}

.newsletter-input-group {
    display: flex;
    gap: var(--space-2);
}

.newsletter-input {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--color-neutral-700);
    border-radius: var(--radius-lg);
    background: var(--color-neutral-800);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    outline: none;
    transition: all var(--duration-fast) var(--easing-ease-out);
}

.newsletter-input::placeholder {
    color: var(--color-neutral-400);
}

.newsletter-input:focus {
    background: var(--color-neutral-700);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.newsletter-btn {
    padding: var(--space-3) var(--space-5);
    background: #90794d;
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--duration-fast) var(--easing-ease-out);
    white-space: nowrap;
    font-size: var(--font-size-sm);
}

.newsletter-btn:hover {
    background: #7a653f;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.footer-bottom {
    border-top: 1px solid var(--color-neutral-700);
    padding-top: var(--space-8);
    text-align: center;
}

.copyright {
    color: var(--color-neutral-400);
    font-size: var(--font-size-sm);
}

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

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
    .container {
        max-width: 1400px;
    }
    
    .hero-title {
        font-size: var(--font-size-5xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Desktop (1024px - 1279px) */
@media (max-width: 1279px) and (min-width: 1024px) {
    .hero-container {
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    
    .hero-title {
        font-size: var(--font-size-4xl);
        font-weight: var(--font-weight-light);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) and (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
}

/* Mobile (375px - 767px) */
@media (max-width: 767px) {
    .nav-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav-logo {
        position: static;
        transform: none;
        order: 2;
        flex: 1;
        justify-content: center;
    }
    
    .nav-left {
        order: 1;
        flex: 1;
        justify-content: flex-start;
        display: none;
    }
    
    .nav-right {
        order: 3;
        flex: 1;
        justify-content: flex-end;
        display: none;
    }
    
    .mobile-menu {
        display: block;
    }
    
    .mobile-menu .nav-menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: var(--space-8);
        gap: var(--space-6);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--duration-normal) var(--easing-ease-out);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 999;
    }
    
    .mobile-menu .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu .nav-item {
        text-align: center;
    }
    
    .nav-right {
        display: flex;
        flex-direction: column;
        gap: var(--space-4);
        align-items: center;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero-title {
        font-size: var(--font-size-3xl);
        font-weight: var(--font-weight-light);
    }
    
    .hero-description {
        font-size: var(--font-size-base);
        font-weight: var(--font-weight-light);
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        gap: var(--space-4);
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-12);
        text-align: center;
    }
    
    .about-left {
        padding-right: 0;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-middle {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
    
    .newsletter-input-group {
        max-width: 400px;
        margin: 0 auto;
    }
}

/* Small Mobile (375px and below) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-4);
    }
    
    .hero-title {
        font-size: var(--font-size-2xl);
        font-weight: var(--font-weight-light);
    }
    
    .hero-description {
        font-size: var(--font-size-sm);
        font-weight: var(--font-weight-light);
    }
    
    .hero-actions .btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-sm);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .feature-card {
        padding: var(--space-8);
    }
    
    .btn {
        padding: var(--space-3) var(--space-6);
        font-size: var(--font-size-sm);
    }
    
    .btn-large {
        padding: var(--space-4) var(--space-8);
        font-size: var(--font-size-base);
    }
    
    .faq-question {
        padding: var(--space-4) var(--space-6);
    }
    
    .faq-question h3 {
        font-size: var(--font-size-base);
    }
    
    .faq-answer p {
        padding: 0;
        font-size: var(--font-size-sm);
    }
    
    .footer-middle {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .newsletter-input-group {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .newsletter-btn {
        width: 100%;
    }
}

/* ==================== SCROLL ANIMATIONS ==================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(var(--space-6));
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-var(--space-6));
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(var(--space-6));
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==================== ACCESSIBILITY ==================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .fade-in {
        opacity: 1 !important;
        transform: none !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav-link:focus,
.social-link:focus,
.faq-question:focus,
.newsletter-input:focus,
.newsletter-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card,
    .tech-item,
    .faq-item {
        border-color: var(--color-white);
    }
    
    .nav-link,
    .footer-links a {
        color: var(--color-white);
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ==================== PERFORMANCE OPTIMIZATIONS ==================== */
/* Optimize for Core Web Vitals */
.hero-background {
    will-change: transform;
}

.feature-card,
.tech-item,
.faq-item {
    will-change: transform;
}

/* Preload critical fonts */
@font-face {
    font-family: 'Inter';
    font-display: swap;
}

/* Optimize images */
img {
    loading: lazy;
    decoding: async;
}

/* Reduce layout shift */
.hero-container,
.features-grid,
.about-content {
    contain: layout;
}