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

:root {
    /* Colors */
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-secondary: #8B5CF6;
    --color-accent: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    --color-neutral-900: #0F0F0F;
    --color-neutral-800: #1A1A1A;
    --color-neutral-700: #262626;
    --color-neutral-600: #404040;
    --color-neutral-500: #737373;
    --color-neutral-400: #A3A3A3;
    --color-neutral-300: #D4D4D4;
    --color-neutral-200: #E5E5E5;
    --color-neutral-100: #F5F5F5;
    --color-neutral-50: #FAFAFA;
    --color-white: #FFFFFF;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 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;
    
    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-3xl: 2rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-neutral-800);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-4);
    }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-neutral-900);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::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(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn--secondary {
    background: var(--color-white);
    color: var(--color-neutral-700);
    border: 1px solid var(--color-neutral-300);
    box-shadow: var(--shadow-sm);
}

.btn--secondary:hover {
    background: var(--color-neutral-50);
    border-color: var(--color-neutral-400);
    transform: translateY(-1px);
}

.btn--large {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn--full {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
}

.nav__wordmark {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-neutral-900);
    letter-spacing: -0.025em;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-neutral-600);
    text-decoration: none;
    transition: color var(--transition-base);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-neutral-900);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-neutral-700);
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .nav__container {
        padding: 0 var(--spacing-4);
    }
    
    .nav__menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-6);
        gap: var(--spacing-4);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
        box-shadow: var(--shadow-lg);
    }
    
    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav__toggle {
        display: flex;
    }
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero__gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.05) 0%, 
        rgba(139, 92, 246, 0.05) 50%, 
        rgba(16, 185, 129, 0.05) 100%);
}

.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.6;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    padding: var(--spacing-24) 0;
}

.hero__title {
    font-size: var(--font-size-6xl);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.hero__title-line {
    display: block;
}

.hero__title-line--gradient {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-8);
    max-width: 500px;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.phone-mockup__device {
    background: var(--color-neutral-900);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-3);
    box-shadow: var(--shadow-2xl);
    position: relative;
}

.phone-mockup__screen {
    background: var(--color-white);
    border-radius: calc(var(--radius-3xl) - var(--spacing-3));
    aspect-ratio: 9 / 19.5;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: var(--spacing-6);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.app-preview__title {
    text-align: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-8);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.voice-notes {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
}

.voice-note {
    animation: fadeInUp 0.6s ease-out;
}

.voice-note--received .voice-note__content {
    display: flex;
    gap: var(--spacing-2);
    align-items: flex-end;
}

.voice-note--sent .voice-note__content {
    display: flex;
    justify-content: flex-end;
}

.voice-note__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-warning));
}

.voice-note__bubble {
    background: var(--color-neutral-100);
    border-radius: var(--radius-xl);
    padding: var(--spacing-3);
    max-width: 200px;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.voice-note--sent .voice-note__bubble {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
}

.voice-note__waveform {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 20px;
}

.voice-note__waveform span {
    width: 3px;
    background: currentColor;
    border-radius: 2px;
    opacity: 0.7;
    animation: waveform 1.5s ease-in-out infinite;
}

.voice-note__waveform span:nth-child(2) { animation-delay: 0.1s; }
.voice-note__waveform span:nth-child(3) { animation-delay: 0.2s; }
.voice-note__waveform span:nth-child(4) { animation-delay: 0.3s; }
.voice-note__waveform span:nth-child(5) { animation-delay: 0.4s; }
.voice-note__waveform span:nth-child(6) { animation-delay: 0.5s; }
.voice-note__waveform span:nth-child(7) { animation-delay: 0.6s; }

.voice-note__duration {
    font-size: var(--font-size-xs);
    opacity: 0.7;
}

.recording-interface {
    display: flex;
    justify-content: center;
    margin-top: auto;
}

.record-btn {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-error), #F97316);
    border: none;
    color: var(--color-white);
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.record-btn:hover {
    transform: scale(1.05);
}

/* Features Section */
.features {
    padding: var(--spacing-24) 0;
    background: var(--color-neutral-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-16);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    max-width: 600px;
    margin: 0 auto;
}

.features__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--spacing-6);
}

.feature-card {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow);
    transition: all var(--transition-base);
    border: 1px solid var(--color-neutral-200);
}

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

.feature-card--large {
    grid-row: span 2;
}

.feature-card__visual {
    margin-bottom: var(--spacing-6);
    display: flex;
    justify-content: center;
}

.feature-card__title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-3);
}

.feature-card__description {
    color: var(--color-neutral-600);
    line-height: 1.6;
}

/* About Section */
.about {
    padding: var(--spacing-24) 0;
}

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

.about__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-6);
}

.about__description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-6);
    line-height: 1.7;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
    margin-top: var(--spacing-8);
}

.stat {
    text-align: center;
}

.stat__number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-2);
}

.stat__label {
    font-size: var(--font-size-sm);
    color: var(--color-neutral-600);
    font-weight: 500;
}

/* Geometric Pattern */
.geometric-pattern {
    position: relative;
    width: 400px;
    height: 400px;
    margin: 0 auto;
}

.pattern-element {
    position: absolute;
    border-radius: var(--radius-2xl);
    opacity: 0.8;
}

.pattern-element--1 {
    top: 0;
    left: 0;
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    animation: float 6s ease-in-out infinite;
}

.pattern-element--2 {
    top: 50px;
    right: 0;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-warning));
    animation: float 6s ease-in-out infinite 1s;
}

.pattern-element--3 {
    bottom: 50px;
    left: 50px;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--color-warning), var(--color-error));
    animation: float 6s ease-in-out infinite 2s;
}

.pattern-element--4 {
    bottom: 0;
    right: 80px;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
    animation: float 6s ease-in-out infinite 3s;
}

/* Services Section */
/* Creative Universe Section */
.creative-universe {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, 
        rgba(15, 15, 15, 0.97) 0%,
        rgba(26, 26, 26, 0.95) 100%),
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.creative-universe::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%236366F1" fill-opacity="0.03"><circle cx="30" cy="30" r="1"/></g></g></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.universe-header {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    margin-bottom: var(--spacing-20);
}

.universe-title {
    font-family: var(--font-display);
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    font-weight: 700;
    background: linear-gradient(135deg, #FFFFFF 0%, #E5E7EB 50%, #9CA3AF 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

.universe-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-300);
    line-height: 1.7;
    max-width: 600px;
}

.cosmic-orb {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.orb-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, 
        rgba(99, 102, 241, 0.8) 0%,
        rgba(139, 92, 246, 0.6) 50%,
        rgba(236, 72, 153, 0.4) 100%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
}

.orb-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid transparent;
    border-radius: 50%;
    animation: rotate 10s linear infinite;
}

.orb-ring--1 {
    width: 120px;
    height: 120px;
    border-top-color: rgba(99, 102, 241, 0.5);
    animation-duration: 8s;
}

.orb-ring--2 {
    width: 160px;
    height: 160px;
    border-right-color: rgba(139, 92, 246, 0.4);
    animation-duration: 12s;
    animation-direction: reverse;
}

.orb-ring--3 {
    width: 200px;
    height: 200px;
    border-bottom-color: rgba(236, 72, 153, 0.3);
    animation-duration: 16s;
}

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

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.creative-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-16);
}

.creative-card {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    cursor: pointer;
}

.creative-card--featured {
    grid-column: span 2;
}

.creative-card--wide {
    grid-column: span 2;
}

.creative-card__glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, 
        rgba(99, 102, 241, 0.1) 0%,
        transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.creative-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.creative-card:hover .creative-card__glow {
    opacity: 1;
}

.creative-icon {
    position: relative;
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-6);
}

.icon-shape {
    position: absolute;
    top: 0;
    left: 0;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.2) 0%,
        rgba(139, 92, 246, 0.2) 100%);
    border: 2px solid rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
}

.icon-shape--hexagon {
    clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.icon-shape--circle {
    border-radius: 50%;
}

.icon-shape--triangle {
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}

.icon-shape--diamond {
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.icon-shape--octagon {
    clip-path: polygon(30% 0%, 70% 0%, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0% 70%, 0% 30%);
}

.icon-shape--star {
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.icon-symbol {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    z-index: 1;
}

.creative-card:hover .icon-shape {
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.4) 0%,
        rgba(139, 92, 246, 0.4) 100%);
    border-color: rgba(99, 102, 241, 0.6);
    transform: scale(1.1);
}

.creative-card__title {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--color-white);
}

.creative-card__description {
    color: var(--color-neutral-300);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.creative-card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.tag {
    padding: var(--spacing-1) var(--spacing-3);
    background: rgba(99, 102, 241, 0.2);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    color: var(--color-neutral-200);
    transition: all 0.3s ease;
}

.creative-card:hover .tag {
    background: rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
    color: var(--color-white);
}

.universe-cta {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    margin-top: var(--spacing-16);
}

.cta-title {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    margin-bottom: var(--spacing-4);
    color: var(--color-white);
}

.cta-description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-300);
    margin-bottom: var(--spacing-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .universe-header {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-8);
    }
    
    .creative-card--featured,
    .creative-card--wide {
        grid-column: span 1;
    }
    
    .creative-grid {
        grid-template-columns: 1fr;
    }
    
    .cosmic-orb {
        width: 150px;
        height: 150px;
    }
    
    .orb-core {
        width: 60px;
        height: 60px;
    }
    
    .orb-ring--1 { width: 90px; height: 90px; }
    .orb-ring--2 { width: 120px; height: 120px; }
    .orb-ring--3 { width: 150px; height: 150px; }
}

/* Contact Section */
.contact {
    padding: var(--spacing-24) 0;
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: start;
}

.contact__title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-6);
}

.contact__description {
    font-size: var(--font-size-lg);
    color: var(--color-neutral-600);
    margin-bottom: var(--spacing-8);
    line-height: 1.7;
}

.contact__methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-6);
}

.contact__method {
    display: flex;
    gap: var(--spacing-4);
    align-items: flex-start;
}

.contact__method-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.contact__method-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-1);
}

.contact__method-content p {
    color: var(--color-neutral-600);
}

/* Forms */
.contact__form-container {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-neutral-200);
    position: relative;
    overflow: hidden;
}

.contact__form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(99, 102, 241, 0.02) 0%,
        rgba(139, 92, 246, 0.02) 50%,
        rgba(16, 185, 129, 0.02) 100%);
    pointer-events: none;
}

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-neutral-700);
    margin-bottom: var(--spacing-2);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    border: 1px solid var(--color-neutral-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    background: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

/* Footer */
.footer {
    background: var(--color-neutral-900);
    color: var(--color-neutral-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

.footer__brand {
    grid-column: span 1;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer__wordmark {
    font-family: var(--font-display);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

.footer__tagline {
    color: var(--color-neutral-400);
    line-height: 1.6;
}

.footer__column-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.footer__column-links {
    list-style: none;
}

.footer__column-links li {
    margin-bottom: var(--spacing-2);
}

.footer__column-links a {
    color: var(--color-neutral-400);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.footer__bottom {
    border-top: 1px solid var(--color-neutral-800);
    padding-top: var(--spacing-8);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__copyright {
    color: var(--color-neutral-500);
    font-size: var(--font-size-sm);
}

.footer__social {
    display: flex;
    gap: var(--spacing-4);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-neutral-800);
    border-radius: var(--radius-lg);
    color: var(--color-neutral-400);
    text-decoration: none;
    transition: all var(--transition-base);
}

.footer__social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Contact 3D Element */
.contact-3d-element {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-8);
    perspective: 1000px;
}

.floating-envelope {
    position: relative;
    width: 80px;
    height: 60px;
    transform-style: preserve-3d;
    animation: envelopeFloat 4s ease-in-out infinite;
}

.envelope-face {
    position: absolute;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.9;
}

.envelope-face--front,
.envelope-face--back {
    width: 80px;
    height: 60px;
    clip-path: polygon(0 0, 100% 0, 50% 70%, 0 0);
}

.envelope-face--front {
    transform: translateZ(15px);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
}

.envelope-face--back {
    transform: translateZ(-15px) rotateY(180deg);
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
}

.envelope-face--top {
    width: 80px;
    height: 30px;
    transform: rotateX(90deg) translateZ(15px);
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.envelope-face--bottom {
    width: 80px;
    height: 30px;
    transform: rotateX(-90deg) translateZ(45px);
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
}

.envelope-face--left {
    width: 30px;
    height: 60px;
    transform: rotateY(-90deg) translateZ(40px);
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    clip-path: polygon(0 0, 100% 0, 50% 70%, 0 0);
}

.envelope-face--right {
    width: 30px;
    height: 60px;
    transform: rotateY(90deg) translateZ(40px);
    background: linear-gradient(180deg, var(--color-secondary), var(--color-primary));
    clip-path: polygon(0 0, 100% 0, 50% 70%, 0 0);
}

.envelope-particles {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    pointer-events: none;
}

.envelope-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: particleFloat 3s ease-in-out infinite;
    opacity: 0.7;
}

.envelope-particles span:nth-child(1) {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.envelope-particles span:nth-child(2) {
    top: 20%;
    right: 15%;
    animation-delay: 0.6s;
}

.envelope-particles span:nth-child(3) {
    bottom: 25%;
    left: 10%;
    animation-delay: 1.2s;
}

.envelope-particles span:nth-child(4) {
    bottom: 15%;
    right: 25%;
    animation-delay: 1.8s;
}

.envelope-particles span:nth-child(5) {
    top: 50%;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 2.4s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes waveform {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.3); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes envelopeFloat {
    0%, 100% {
        transform: translateY(0) rotateX(0deg) rotateY(0deg);
    }
    25% {
        transform: translateY(-10px) rotateX(5deg) rotateY(15deg);
    }
    50% {
        transform: translateY(-5px) rotateX(-5deg) rotateY(-10deg);
    }
    75% {
        transform: translateY(-8px) rotateX(8deg) rotateY(20deg);
    }
}

@keyframes particleFloat {
    0%, 100% {
        transform: translateY(0) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-15px) scale(1.2);
        opacity: 1;
    }
}

@keyframes envelopeSend {
    0% {
        transform: translateY(0) rotateX(0deg) rotateY(0deg);
    }
    50% {
        transform: translateY(-30px) rotateX(15deg) rotateY(25deg) scale(1.1);
    }
    100% {
        transform: translateY(-50px) rotateX(25deg) rotateY(45deg) scale(0.8);
        opacity: 0.7;
    }
}

@keyframes envelopeHover {
    0%, 100% {
        transform: translateY(0) rotateX(0deg) rotateY(0deg) scale(1);
    }
    50% {
        transform: translateY(-5px) rotateX(10deg) rotateY(15deg) scale(1.05);
    }
}

/* Notification System */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    min-width: 320px;
    max-width: 500px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-neutral-200);
    transform: translateX(100%);
    opacity: 0;
    transition: all var(--transition-base);
}

.notification--show {
    transform: translateX(0);
    opacity: 1;
}

.notification__content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
}

.notification__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

.notification--success .notification__icon {
    background: var(--color-success);
    color: var(--color-white);
}

.notification--error .notification__icon {
    background: var(--color-error);
    color: var(--color-white);
}

.notification--info .notification__icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.notification__message {
    flex: 1;
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--color-neutral-700);
    padding-top: 8px;
}

.notification__close {
    background: none;
    border: none;
    padding: var(--spacing-1);
    color: var(--color-neutral-400);
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.notification__close:hover {
    background: var(--color-neutral-100);
    color: var(--color-neutral-600);
}

/* Responsive notification */
@media (max-width: 768px) {
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        min-width: auto;
        max-width: none;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
        text-align: center;
    }
    
    .features__grid {
        grid-template-columns: 1fr;
    }
    
    .about__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .contact__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-12);
    }
    
    .footer__content {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-6);
    }
}

@media (max-width: 768px) {
    .hero__title {
        font-size: var(--font-size-4xl);
    }
    
    .section-title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__actions {
        justify-content: center;
    }
    
    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .footer__content {
        grid-template-columns: 1fr;
    }
    
    .footer__bottom {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    .geometric-pattern {
        width: 300px;
        height: 300px;
    }
    
    .pattern-element--1 {
        width: 140px;
        height: 140px;
    }
    
    .pattern-element--2 {
        width: 100px;
        height: 100px;
    }
    
    .contact-3d-element {
        margin-bottom: var(--spacing-6);
    }
    
    .floating-envelope {
        width: 60px;
        height: 45px;
        transform: scale(0.8);
    }
    
    .envelope-face--front,
    .envelope-face--back {
        width: 60px;
        height: 45px;
    }
    
    .envelope-face--top,
    .envelope-face--bottom {
        width: 60px;
        height: 22px;
    }
    
    .envelope-face--left,
    .envelope-face--right {
        width: 22px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn--large {
        width: 100%;
        max-width: 280px;
    }
    
    .floating-envelope {
        transform: scale(0.7);
    }
}