/* ==========================================================================
   CHROMA HUNT - Chromatic Playground Design
   A vibrant, playful celebration of color perception
   ========================================================================== */

/* --------------------------------------------------------------------------
   Google Fonts - Outfit (geometric, playful) + DM Sans (clean body)
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=DM+Sans:ital,wght@0,400;0,500;0,700;1,400&display=swap');

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
    /* Core palette */
    --bg-deep: #0D0D1A;
    --bg-start: #1A1A2E;
    --bg-end: #16213E;
    --accent: #E94560;
    --accent-glow: rgba(233, 69, 96, 0.4);
    --secondary: #0F3460;
    --success: #4CAF50;
    --cyan: #00D9FF;
    --purple: #A855F7;
    --yellow: #FBBF24;
    --orange: #F97316;

    /* Text */
    --text: #FFFFFF;
    --text-muted: #94A3B8;
    --text-soft: #CBD5E1;

    /* Glass effect */
    --glass-bg: rgba(15, 52, 96, 0.4);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shine: rgba(255, 255, 255, 0.05);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --------------------------------------------------------------------------
   Animated Background - Floating Color Tiles
   -------------------------------------------------------------------------- */
.bg-animation {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-start) 50%, var(--bg-end) 100%);
}

.bg-animation::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(233, 69, 96, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(0, 217, 255, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 60% at 60% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: bgPulse 8s ease-in-out infinite alternate;
}

@keyframes bgPulse {
    0% { opacity: 0.6; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

/* Floating tiles */
.floating-tile {
    position: absolute;
    border-radius: var(--radius-sm);
    opacity: 0.15;
    animation: floatTile 20s ease-in-out infinite;
}

.floating-tile:nth-child(1) {
    width: 60px; height: 60px;
    background: var(--accent);
    top: 15%; left: 10%;
    animation-delay: 0s;
    animation-duration: 18s;
}

.floating-tile:nth-child(2) {
    width: 40px; height: 40px;
    background: var(--cyan);
    top: 25%; right: 15%;
    animation-delay: -3s;
    animation-duration: 22s;
}

.floating-tile:nth-child(3) {
    width: 80px; height: 80px;
    background: var(--purple);
    bottom: 30%; left: 5%;
    animation-delay: -5s;
    animation-duration: 25s;
}

.floating-tile:nth-child(4) {
    width: 50px; height: 50px;
    background: var(--yellow);
    top: 60%; right: 8%;
    animation-delay: -8s;
    animation-duration: 20s;
}

.floating-tile:nth-child(5) {
    width: 35px; height: 35px;
    background: var(--success);
    bottom: 15%; right: 25%;
    animation-delay: -2s;
    animation-duration: 16s;
}

.floating-tile:nth-child(6) {
    width: 70px; height: 70px;
    background: var(--orange);
    top: 40%; left: 80%;
    animation-delay: -10s;
    animation-duration: 24s;
}

@keyframes floatTile {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
        opacity: 0.1;
    }
    25% {
        transform: translateY(-30px) rotate(5deg) scale(1.1);
        opacity: 0.2;
    }
    50% {
        transform: translateY(-15px) rotate(-3deg) scale(0.95);
        opacity: 0.15;
    }
    75% {
        transform: translateY(-40px) rotate(8deg) scale(1.05);
        opacity: 0.18;
    }
}

/* Grid pattern overlay */
.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 20%, transparent 70%);
}

/* --------------------------------------------------------------------------
   Content Wrapper
   -------------------------------------------------------------------------- */
.page-content {
    position: relative;
    z-index: 1;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
header {
    position: relative;
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
    overflow: hidden;
}

/* Logo */
.logo {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--space-md);
    background: linear-gradient(135deg, var(--accent) 0%, var(--orange) 50%, var(--yellow) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 20px 50px -10px var(--accent-glow),
        0 0 80px -20px var(--accent);
    animation: logoFloat 4s ease-in-out infinite, fadeSlideIn 0.8s ease-out;
    transform-style: preserve-3d;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0) rotateX(0deg); }
    50% { transform: translateY(-8px) rotateX(5deg); }
}

/* Title */
h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: var(--space-xs);
    background: linear-gradient(
        135deg,
        #fff 0%,
        #fff 40%,
        var(--accent) 60%,
        var(--cyan) 100%
    );
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 6s ease-in-out infinite, fadeSlideIn 0.8s ease-out 0.1s backwards;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.subtitle {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3vw, 1.4rem);
    font-weight: 500;
    color: var(--text-muted);
    animation: fadeSlideIn 0.8s ease-out 0.2s backwards;
}

/* Entrance animations */
@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
nav {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: var(--space-sm) var(--space-md);
    background: rgba(13, 13, 26, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    animation: fadeSlideIn 0.8s ease-out 0.3s backwards;
}

nav .nav-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs);
    flex-wrap: wrap;
}

nav a {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    position: relative;
    transition: var(--transition-smooth);
    overflow: hidden;
}

nav a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    opacity: 0;
    transition: var(--transition-smooth);
    border-radius: inherit;
    z-index: -1;
}

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

nav a:hover::before,
nav a.active::before {
    opacity: 1;
}

nav a:hover {
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Language Switcher
   -------------------------------------------------------------------------- */
.lang-switcher {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    z-index: 50;
}

.lang-switcher select {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.85rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text);
    padding: var(--space-xs) var(--space-sm);
    padding-right: 2rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    transition: var(--transition-fast);
}

.lang-switcher select:hover {
    border-color: var(--accent);
    background-color: rgba(233, 69, 96, 0.1);
}

.lang-switcher select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* --------------------------------------------------------------------------
   Main Content
   -------------------------------------------------------------------------- */
main {
    padding: var(--space-xl) 0;
}

/* Typography */
h2 {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 800;
    color: var(--text);
    margin: var(--space-lg) 0 var(--space-sm);
    letter-spacing: -0.02em;
}

h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin: var(--space-md) 0 var(--space-xs);
}

p {
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

ul, ol {
    margin: var(--space-sm) 0 var(--space-sm) var(--space-lg);
    color: var(--text-muted);
}

li {
    margin-bottom: var(--space-xs);
}

li::marker {
    color: var(--accent);
}

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

a:hover {
    color: var(--cyan);
}

/* --------------------------------------------------------------------------
   Glass Cards
   -------------------------------------------------------------------------- */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin: var(--space-md) 0;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: var(--transition-smooth);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-shine), transparent);
}

.card:hover {
    border-color: rgba(233, 69, 96, 0.3);
    transform: translateY(-4px);
    box-shadow:
        0 20px 40px -20px var(--accent-glow),
        0 0 80px -40px var(--accent);
}

/* Hero Card */
.hero-card {
    text-align: center;
    padding: var(--space-xl);
    background: linear-gradient(
        135deg,
        rgba(233, 69, 96, 0.1) 0%,
        var(--glass-bg) 50%,
        rgba(0, 217, 255, 0.05) 100%
    );
    animation: fadeSlideIn 0.8s ease-out 0.4s backwards;
}

.hero-card h2 {
    margin-top: 0;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-card .lead {
    font-size: 1.25rem;
    color: var(--text-soft);
    margin-bottom: var(--space-md);
}

/* Hero Section with Screenshot */
.hero-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding: var(--space-xl) 0;
    animation: fadeSlideIn 0.8s ease-out 0.4s backwards;
}

.hero-content {
    background: linear-gradient(
        135deg,
        rgba(233, 69, 96, 0.1) 0%,
        var(--glass-bg) 50%,
        rgba(0, 217, 255, 0.05) 100%
    );
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    backdrop-filter: blur(10px);
}

.hero-content h2 {
    margin-top: 0;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-content .lead {
    font-size: 1.2rem;
    color: var(--text-soft);
    margin-bottom: var(--space-md);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeSlideIn 0.8s ease-out 0.6s backwards;
}

.phone-mockup {
    max-width: 280px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.5));
    animation: phoneFloat 4s ease-in-out infinite;
    transition: var(--transition-smooth);
}

.phone-mockup:hover {
    transform: scale(1.03) translateY(-10px);
    filter: drop-shadow(0 40px 80px rgba(233, 69, 96, 0.3));
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

@media (max-width: 900px) {
    .hero-section {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-image {
        order: -1;
        margin-bottom: var(--space-md);
    }

    .phone-mockup {
        max-width: 220px;
    }
}

/* CTA Card */
.cta-card {
    text-align: center;
    padding: var(--space-xl);
    background: linear-gradient(
        135deg,
        rgba(168, 85, 247, 0.1) 0%,
        var(--glass-bg) 50%,
        rgba(233, 69, 96, 0.1) 100%
    );
    animation: fadeSlideIn 0.8s ease-out 0.8s backwards;
}

.cta-card h2 {
    margin-top: 0;
}

.cta-card .highlight {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Features Grid
   -------------------------------------------------------------------------- */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

.feature {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
    animation: fadeSlideIn 0.8s ease-out backwards;
}

.feature:nth-child(1) { animation-delay: 0.5s; }
.feature:nth-child(2) { animation-delay: 0.6s; }
.feature:nth-child(3) { animation-delay: 0.7s; }
.feature:nth-child(4) { animation-delay: 0.8s; }
.feature:nth-child(5) { animation-delay: 0.9s; }
.feature:nth-child(6) { animation-delay: 1.0s; }

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--cyan));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.feature:hover {
    border-color: rgba(233, 69, 96, 0.3);
    transform: translateY(-8px);
    box-shadow:
        0 25px 50px -20px var(--accent-glow);
}

.feature:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--purple));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-sm);
    box-shadow: 0 10px 30px -10px var(--accent-glow);
    transition: var(--transition-bounce);
}

.feature:hover .feature-icon {
    transform: scale(1.1) rotate(-5deg);
}

.feature h3 {
    margin-top: 0;
    margin-bottom: var(--space-xs);
}

.feature p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Feature color variants */
.feature:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--cyan), var(--purple));
}

.feature:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, var(--yellow), var(--orange));
}

.feature:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, var(--success), var(--cyan));
}

.feature:nth-child(5) .feature-icon {
    background: linear-gradient(135deg, var(--orange), var(--accent));
}

.feature:nth-child(6) .feature-icon {
    background: linear-gradient(135deg, var(--purple), var(--accent));
}

/* --------------------------------------------------------------------------
   App Store Button
   -------------------------------------------------------------------------- */
.app-store-btn {
    display: inline-block;
    margin: var(--space-md) var(--space-xs);
    transition: var(--transition-bounce);
}

.app-store-btn img {
    height: 54px;
    filter: brightness(1);
    transition: var(--transition-fast);
}

.app-store-btn:hover {
    transform: translateY(-4px) scale(1.05);
}

.app-store-btn:hover img {
    filter: brightness(1.1);
}

/* --------------------------------------------------------------------------
   Forms
   -------------------------------------------------------------------------- */
.form-group {
    margin-bottom: var(--space-md);
}

label {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text);
    margin-bottom: var(--space-xs);
}

input, textarea, select {
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    padding: var(--space-sm) var(--space-md);
    background: rgba(15, 52, 96, 0.3);
    border: 2px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text);
    transition: var(--transition-fast);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

input:hover, textarea:hover, select:hover {
    border-color: rgba(233, 69, 96, 0.3);
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(233, 69, 96, 0.05);
    box-shadow: 0 0 0 4px var(--accent-glow);
}

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

/* Button */
button {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1rem;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    color: white;
    border: none;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--transition-bounce);
}

button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--orange), var(--yellow));
    opacity: 0;
    transition: var(--transition-fast);
}

button span {
    position: relative;
    z-index: 1;
}

button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -10px var(--accent-glow);
}

button:hover::before {
    opacity: 1;
}

button:focus {
    outline: none;
    box-shadow: 0 0 0 4px var(--accent-glow);
}

button:active {
    transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.faq-item:hover {
    border-color: rgba(233, 69, 96, 0.3);
}

.faq-question {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--text);
    padding: var(--space-md);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

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

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 400;
    color: var(--accent);
    transition: var(--transition-fast);
}

.faq-item.active .faq-question::after {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--space-md) var(--space-md);
    color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
footer {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    background: rgba(13, 13, 26, 0.8);
    border-top: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

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

.footer-links a {
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--text-muted);
    margin: 0 var(--space-sm);
    transition: var(--transition-fast);
}

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

footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Skip Link (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
    position: absolute;
    top: -50px;
    left: var(--space-md);
    background: var(--accent);
    color: white;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    z-index: 1000;
    transition: var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}

/* --------------------------------------------------------------------------
   Legal Pages
   -------------------------------------------------------------------------- */
.legal-content {
    animation: fadeSlideIn 0.8s ease-out 0.4s backwards;
}

.legal-content h2:first-of-type {
    margin-top: 0;
}

.last-updated {
    font-style: italic;
    color: var(--text-muted);
    padding: var(--space-sm) var(--space-md);
    background: var(--glass-bg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--accent);
    margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Thank You Page
   -------------------------------------------------------------------------- */
.thank-you-content {
    text-align: center;
    padding: var(--space-2xl) var(--space-md);
    animation: fadeSlideIn 0.8s ease-out 0.4s backwards;
}

.thank-you-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--success), var(--cyan));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto var(--space-md);
    box-shadow: 0 20px 50px -15px rgba(76, 175, 80, 0.4);
    animation: thankYouPulse 2s ease-in-out infinite;
}

@keyframes thankYouPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --space-lg: 2rem;
        --space-xl: 3rem;
        --space-2xl: 4rem;
    }

    .lang-switcher {
        position: relative;
        top: 0;
        right: 0;
        text-align: center;
        margin-bottom: var(--space-md);
    }

    header {
        padding-top: var(--space-lg);
    }

    nav {
        padding: var(--space-xs) var(--space-sm);
    }

    nav a {
        padding: var(--space-xs);
        font-size: 0.85rem;
    }

    .features {
        grid-template-columns: 1fr;
    }

    .card, .hero-card, .cta-card {
        padding: var(--space-md);
    }

    .floating-tile {
        display: none;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .logo {
        width: 80px;
        height: 80px;
        font-size: 36px;
    }

    nav .nav-inner {
        flex-direction: column;
    }

    nav a {
        display: block;
        width: 100%;
        text-align: center;
    }
}

/* --------------------------------------------------------------------------
   Reduced Motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .floating-tile {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    .bg-animation,
    nav,
    .lang-switcher,
    .floating-tile {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card, .feature {
        border: 1px solid #ccc;
        background: white;
    }
}