/* ============================================
   PHONE CASE DIY - FROST DESIGN SYSTEM
   Scandinavian Ice Crystal Aesthetic
   ============================================ */

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

:root {
    /* Primary Palette */
    --primary: #1a365d;
    --primary-light: #2a4a7f;
    --primary-dark: #0f2341;
    --secondary: #f0f5ff;
    --accent: #5fb5d4;
    --accent-light: #8fd0e6;
    --accent-dark: #3d98b8;

    /* Frost Palette */
    --frost-white: #fafcff;
    --frost-ice: #e8f0fe;
    --frost-blue: #d0e3f7;
    --frost-silver: #c4d4e8;
    --frost-glacier: #b0c8e0;
    --frost-deep: #8aa8c8;

    /* Neutral */
    --text-primary: #0f1a2e;
    --text-secondary: #3d5a80;
    --text-muted: #6b8ab0;
    --text-light: #9bb5d0;

    /* Glass Effects */
    --glass-bg: rgba(240, 245, 255, 0.65);
    --glass-border: rgba(95, 181, 212, 0.18);
    --glass-shadow: rgba(26, 54, 93, 0.08);
    --glass-shadow-strong: rgba(26, 54, 93, 0.15);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'DM Sans', 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    --font-size-6xl: 4.5rem;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Z-index layers */
    --z-base: 1;
    --z-dropdown: 100;
    --z-header: 500;
    --z-modal: 1000;
    --z-cookie: 2000;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--frost-white);
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: var(--accent);
    color: white;
}

/* --- Utility --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

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

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

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

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

ul {
    list-style: none;
}

/* --- Frost Card Base --- */
.frost-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow:
        0 4px 24px var(--glass-shadow),
        0 1px 3px rgba(26, 54, 93, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.frost-card:hover {
    box-shadow:
        0 8px 40px var(--glass-shadow-strong),
        0 2px 6px rgba(26, 54, 93, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

/* --- Button System --- */
.btn-frost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-frost:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.btn-frost-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-color: rgba(95, 181, 212, 0.2);
    box-shadow: 0 2px 12px rgba(26, 54, 93, 0.2);
}

.btn-frost-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-dark));
    box-shadow: 0 4px 20px rgba(26, 54, 93, 0.3);
    transform: translateY(-1px);
    color: white;
}

.btn-frost-secondary {
    background: var(--frost-ice);
    color: var(--primary);
    border-color: var(--glass-border);
}

.btn-frost-secondary:hover {
    background: var(--frost-blue);
    border-color: var(--accent);
}

.btn-frost-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: var(--primary);
    border-color: var(--glass-border);
}

.btn-frost-glass:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: var(--accent);
    color: var(--primary);
}

.btn-frost-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--glass-border);
}

.btn-frost-ghost:hover {
    background: var(--frost-ice);
    color: var(--primary);
}

.btn-lg {
    padding: 0.85rem 2rem;
    font-size: var(--font-size-base);
}

.btn-full {
    width: 100%;
}

/* --- Section Headers --- */
.section-tag {
    display: inline-block;
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-dark);
    background: linear-gradient(135deg, rgba(95, 181, 212, 0.1), rgba(95, 181, 212, 0.05));
    border: 1px solid rgba(95, 181, 212, 0.2);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    padding: var(--space-md) 0;
    transition: padding var(--transition-base);
}

.header.scrolled {
    padding: var(--space-sm) 0;
}

.header-bg {
    position: absolute;
    inset: 0;
    background: rgba(250, 252, 255, 0.75);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.header.scrolled .header-bg {
    opacity: 1;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--primary);
}

.logo-crystal {
    color: var(--accent);
    transition: transform var(--transition-spring);
}

.nav-logo:hover .logo-crystal {
    transform: rotate(30deg);
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--primary);
}

.logo-accent {
    color: var(--accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.nav-link {
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: var(--frost-ice);
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white !important;
    border: 1px solid rgba(95, 181, 212, 0.2);
}

.nav-cta:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--accent-dark)) !important;
    transform: translateY(-1px);
}

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

.toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

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

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

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

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
    background: linear-gradient(175deg, var(--frost-white) 0%, var(--frost-ice) 40%, var(--frost-blue) 100%);
}

.hero-frost-layer {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(95, 181, 212, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(26, 54, 93, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* Crystal decorations */
.hero-crystal-grid {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.crystal {
    position: absolute;
    border: 1px solid rgba(95, 181, 212, 0.12);
    background: linear-gradient(135deg, rgba(95, 181, 212, 0.04), rgba(255, 255, 255, 0.02));
    animation: crystalFloat 20s ease-in-out infinite;
}

.crystal-1 {
    width: 120px;
    height: 120px;
    top: 15%;
    left: 5%;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation-delay: 0s;
}

.crystal-2 {
    width: 80px;
    height: 80px;
    top: 60%;
    left: 10%;
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    animation-delay: -3s;
}

.crystal-3 {
    width: 60px;
    height: 60px;
    top: 25%;
    right: 15%;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation-delay: -6s;
}

.crystal-4 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    right: 8%;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    animation-delay: -9s;
}

.crystal-5 {
    width: 40px;
    height: 40px;
    top: 40%;
    left: 30%;
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    animation-delay: -12s;
}

.crystal-6 {
    width: 70px;
    height: 70px;
    bottom: 30%;
    left: 25%;
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    animation-delay: -4s;
}

.crystal-7 {
    width: 50px;
    height: 50px;
    top: 10%;
    right: 30%;
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    animation-delay: -7s;
}

@keyframes crystalFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.4; }
    25% { transform: translateY(-15px) rotate(5deg); opacity: 0.7; }
    50% { transform: translateY(-25px) rotate(-3deg); opacity: 0.5; }
    75% { transform: translateY(-10px) rotate(7deg); opacity: 0.8; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--accent-dark);
    background: rgba(95, 181, 212, 0.1);
    border: 1px solid rgba(95, 181, 212, 0.2);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-xl);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: var(--space-xl);
    color: var(--primary);
}

.title-gradient {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--frost-silver);
}

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

.hero-phone-frame {
    position: relative;
    width: 280px;
    height: 380px;
    background: var(--glass-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow:
        0 20px 60px rgba(26, 54, 93, 0.15),
        0 8px 24px rgba(26, 54, 93, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.phone-frost-glow {
    position: absolute;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(95, 181, 212, 0.15) 0%, transparent 60%);
    top: -50%;
    left: -50%;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.phone-screen {
    position: relative;
    z-index: 2;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-game-icon {
    width: 160px;
    height: 160px;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(26, 54, 93, 0.2);
    object-fit: cover;
}

.phone-reflection {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.15) 0%, transparent 100%);
    pointer-events: none;
    z-index: 3;
}

.hero-floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 0.6rem 1rem;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(26, 54, 93, 0.1);
    animation: floatCard 6s ease-in-out infinite;
}

.card-1 {
    top: 15%;
    right: -10%;
    animation-delay: 0s;
}

.card-2 {
    bottom: 15%;
    left: -10%;
    animation-delay: -3s;
}

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

/* Hero Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--frost-white);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
}

.about-card {
    padding: var(--space-2xl);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.about-card:hover {
    transform: translateY(-4px);
}

.about-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    background: linear-gradient(135deg, rgba(95, 181, 212, 0.1), rgba(95, 181, 212, 0.05));
    border: 1px solid rgba(95, 181, 212, 0.15);
    border-radius: var(--radius-lg);
    color: var(--accent-dark);
}

.about-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
}

.about-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   GALLERY SECTION
   ============================================ */
.gallery {
    background: linear-gradient(180deg, var(--frost-white) 0%, var(--frost-ice) 100%);
}

.gallery-frost-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(95, 181, 212, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.gallery-showcase {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.gallery-main-frame {
    position: relative;
    overflow: hidden;
    padding: var(--space-sm);
    aspect-ratio: 16/9;
    max-height: 500px;
}

.gallery-main-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: transform var(--transition-slow);
}

.gallery-main-frame:hover img {
    transform: scale(1.02);
}

.gallery-main-overlay {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.gallery-caption {
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: white;
    background: rgba(26, 54, 93, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-md);
}

.gallery-thumbs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.gallery-thumb {
    position: relative;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    background: none;
    padding: 0;
    aspect-ratio: 16/10;
    transition: all var(--transition-base);
}

.gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.gallery-thumb:hover img {
    transform: scale(1.05);
}

.gallery-thumb.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(95, 181, 212, 0.2);
}

.gallery-thumb::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(26, 54, 93, 0.2);
    transition: opacity var(--transition-fast);
}

.gallery-thumb.active::after,
.gallery-thumb:hover::after {
    opacity: 0;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features {
    background: var(--frost-white);
}

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

.feature-card {
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-3px);
}

.feature-large {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
    align-items: center;
}

.feature-number {
    font-family: var(--font-display);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: rgba(95, 181, 212, 0.12);
    line-height: 1;
    margin-bottom: var(--space-md);
}

.feature-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
}

.feature-content p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.feature-visual {
    color: var(--accent);
    opacity: 0.6;
}

/* ============================================
   SOCIAL PROOF SECTION
   ============================================ */
.social-proof {
    background: linear-gradient(180deg, var(--frost-ice) 0%, var(--frost-white) 100%);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.proof-card {
    padding: var(--space-2xl);
    text-align: center;
    position: relative;
}

.proof-icon {
    color: var(--accent);
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
}

.proof-number {
    font-family: var(--font-display);
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.proof-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.proof-live-dot {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: livePulse 2s ease-in-out infinite;
}

@keyframes livePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
}

/* Activity Feed */
.activity-feed {
    padding: var(--space-xl);
    overflow: hidden;
}

.activity-header {
    margin-bottom: var(--space-lg);
}

.activity-live-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--primary);
}

.live-dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    animation: livePulse 2s ease-in-out infinite;
}

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

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(240, 245, 255, 0.5);
    border-radius: var(--radius-md);
    border: 1px solid rgba(95, 181, 212, 0.08);
    animation: activitySlide 0.5s ease-out;
}

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

.activity-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}

.activity-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    flex: 1;
}

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

.activity-time {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    flex-shrink: 0;
}

/* ============================================
   FAQ SECTION
   ============================================ */
.faq {
    background: var(--frost-white);
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.faq-item {
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.faq-item.active {
    box-shadow: 0 4px 24px rgba(26, 54, 93, 0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-lg) var(--space-xl);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--primary);
    text-align: left;
    transition: color var(--transition-fast);
}

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

.faq-chevron {
    color: var(--text-muted);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-chevron {
    transform: rotate(180deg);
    color: var(--accent);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-answer p {
    padding: 0 var(--space-xl) var(--space-lg);
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-answer a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* ============================================
   SIGNUP / LEAD FORM SECTION
   ============================================ */
.signup {
    background: linear-gradient(180deg, var(--frost-white) 0%, var(--frost-ice) 50%, var(--frost-blue) 100%);
    position: relative;
    overflow: hidden;
}

.signup-frost-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 50% 40% at 20% 60%, rgba(95, 181, 212, 0.08) 0%, transparent 70%),
        radial-gradient(ellipse 40% 50% at 80% 40%, rgba(26, 54, 93, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.signup-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: start;
    position: relative;
    z-index: 2;
}

.signup-info {
    padding-top: var(--space-xl);
}

.signup-info .section-title {
    text-align: left;
}

.signup-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.signup-benefits {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.signup-benefits li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.signup-benefits li svg {
    color: var(--accent);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Form */
.signup-form-wrapper {
    padding: var(--space-2xl);
}

.signup-form h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-xl);
    text-align: center;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary);
    margin-bottom: var(--space-sm);
}

.form-optional {
    color: var(--text-muted);
    font-weight: 400;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--frost-silver);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(95, 181, 212, 0.15);
    background: white;
}

.form-group input.error {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: #e53e3e;
    margin-top: var(--space-xs);
    min-height: 1em;
}

/* Checkbox */
.form-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.5;
}

.form-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.checkbox-custom {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--frost-silver);
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.7);
}

.form-checkbox input[type="checkbox"]:checked + .checkbox-custom {
    background: var(--accent);
    border-color: var(--accent);
}

.form-checkbox input[type="checkbox"]:checked + .checkbox-custom::after {
    content: '';
    display: block;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-bottom: 2px;
}

.form-checkbox a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Form Success */
.form-success {
    text-align: center;
    padding: var(--space-3xl) var(--space-xl);
}

.form-success svg {
    margin: 0 auto var(--space-lg);
}

.form-success h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    color: var(--accent-dark);
}

.form-success p {
    color: var(--text-secondary);
}

.form-error-msg {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(229, 62, 62, 0.05);
    border: 1px solid rgba(229, 62, 62, 0.15);
    border-radius: var(--radius-md);
    color: #c53030;
    font-size: var(--font-size-sm);
    margin-top: var(--space-md);
}

/* Spinner */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   TRUST SECTION
   ============================================ */
.trust {
    background: var(--frost-white);
}

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

.trust-card {
    padding: var(--space-2xl);
    text-align: center;
    transition: transform var(--transition-base);
}

.trust-card:hover {
    transform: translateY(-3px);
}

.trust-card svg {
    color: var(--accent);
    margin: 0 auto var(--space-lg);
    display: block;
}

.trust-card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
}

.trust-card p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    position: relative;
    background: var(--primary-dark);
    padding: var(--space-4xl) 0 var(--space-xl);
    color: rgba(255, 255, 255, 0.7);
    overflow: hidden;
}

.footer-frost-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 40% at 30% 80%, rgba(95, 181, 212, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
    position: relative;
    z-index: 2;
}

.footer-brand .nav-logo {
    margin-bottom: var(--space-lg);
    color: white;
}

.footer-brand .logo-text {
    color: white;
}

.footer-desc {
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    color: rgba(255, 255, 255, 0.6);
}

.footer-address {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

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

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

.footer-links-group a,
.footer-links-group span {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
    text-decoration: none;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-xl);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

/* ============================================
   COOKIE CONSENT BANNER
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: var(--z-cookie);
    background: rgba(250, 252, 255, 0.95);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--glass-border);
    box-shadow: 0 -4px 24px rgba(26, 54, 93, 0.1);
    padding: var(--space-xl);
    transform: translateY(100%);
    transition: transform var(--transition-slow);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner.hidden {
    display: none;
}

.cookie-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.cookie-text h3 {
    font-size: var(--font-size-base);
    margin-bottom: var(--space-sm);
}

.cookie-text p {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}

.cookie-text a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.cookie-actions {
    display: flex;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.cookie-settings-panel {
    max-width: 1200px;
    margin: var(--space-lg) auto 0;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--glass-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xl);
}

.cookie-setting-row {
    display: flex;
    align-items: center;
}

.cookie-setting-row label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
}

.cookie-setting-row input[type="checkbox"] {
    accent-color: var(--accent);
    width: 16px;
    height: 16px;
}

/* ============================================
   LEGAL PAGES
   ============================================ */
.legal-page {
    padding-top: 80px;
}

.legal-hero {
    background: linear-gradient(175deg, var(--frost-ice), var(--frost-blue));
    padding: var(--space-4xl) 0 var(--space-3xl);
    text-align: center;
}

.legal-hero h1 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.legal-hero p {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.legal-content {
    padding: var(--space-3xl);
    margin: calc(-1 * var(--space-2xl)) auto var(--space-4xl);
    max-width: 860px;
    background: rgba(255, 255, 255, 0.9);
}

.legal-content section {
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid var(--frost-ice);
}

.legal-content section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.legal-content h2 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-lg);
    color: var(--primary);
}

.legal-content h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.legal-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.legal-content p:last-child {
    margin-bottom: 0;
}

.legal-content ul {
    margin-bottom: var(--space-md);
    padding-left: var(--space-xl);
}

.legal-content li {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
    list-style: disc;
}

.legal-content a {
    color: var(--accent-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.legal-footer-info {
    text-align: center;
    padding-top: var(--space-xl);
}

.legal-footer-info p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

/* ============================================
   ANIMATIONS
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-animate="fade-down"] {
    transform: translateY(-20px);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate].visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--space-3xl);
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-desc {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-floating-card.card-1 {
        right: 5%;
    }

    .hero-floating-card.card-2 {
        left: 5%;
    }

    .about-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .feature-large {
        grid-template-columns: 1fr;
    }

    .signup-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .signup-info {
        text-align: center;
    }

    .signup-info .section-title {
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }
}

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

    .section {
        padding: var(--space-3xl) 0;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(250, 252, 255, 0.98);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        padding: 100px var(--space-xl) var(--space-xl);
        gap: var(--space-sm);
        transition: right var(--transition-slow);
        box-shadow: -8px 0 40px rgba(26, 54, 93, 0.1);
        z-index: var(--z-header);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: calc(var(--z-header) + 1);
    }

    .nav-link {
        width: 100%;
        padding: 0.75rem 1rem;
    }

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

    .hero {
        padding-top: 80px;
        min-height: auto;
        padding-bottom: var(--space-4xl);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .hero-phone-frame {
        width: 220px;
        height: 300px;
    }

    .hero-game-icon {
        width: 120px;
        height: 120px;
    }

    .hero-floating-card {
        display: none;
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

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

    .gallery-thumbs {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .cookie-inner {
        flex-direction: column;
        text-align: center;
    }

    .cookie-actions {
        flex-wrap: wrap;
        justify-content: center;
    }

    .cookie-settings-panel {
        flex-direction: column;
        align-items: flex-start;
    }

    .legal-content {
        padding: var(--space-xl);
        margin-top: calc(-1 * var(--space-lg));
    }

    .legal-hero {
        padding: var(--space-3xl) 0 var(--space-2xl);
    }

    .legal-hero h1 {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-phone-frame {
        width: 180px;
        height: 250px;
    }

    .hero-game-icon {
        width: 100px;
        height: 100px;
    }

    .gallery-thumbs {
        grid-template-columns: repeat(2, 1fr);
    }

    .signup-form-wrapper {
        padding: var(--space-lg);
    }
}

/* --- Focus & Accessibility --- */
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

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

    html {
        scroll-behavior: auto;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .frost-card {
        border-width: 2px;
        border-color: var(--primary);
    }

    .btn-frost-primary {
        border: 2px solid white;
    }
}

/* Print styles */
@media print {
    .header,
    .cookie-banner,
    .hero-crystal-grid,
    .hero-scroll-indicator {
        display: none;
    }

    body {
        color: black;
        background: white;
    }
}