/* ===========================
   VERSE SURF — DESIGN SYSTEM
   =========================== */

:root {
    /* Brand Palette */
    --peach: #DEAF9F;
    --terracotta: #C77F6A;
    --maroon: #8E4942;
    --cream: #E5D5D3;
    --rose: #D9957C;

    /* Derived */
    --bg-dark: #2C1810;
    --bg-section: #FBF5F3;
    --text-primary: #3D1F17;
    --text-secondary: #6B4A40;
    --text-light: #FBF5F3;
    --white: #FFFFFF;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Borders / Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(142, 73, 66, 0.08);
    --shadow-md: 0 8px 24px rgba(142, 73, 66, 0.12);
    --shadow-lg: 0 16px 48px rgba(142, 73, 66, 0.16);
    --shadow-glow: 0 0 40px rgba(222, 175, 159, 0.4);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ===========================
   RESET & BASE
   =========================== */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background-color: var(--bg-section);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s var(--ease-out);
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

.section {
    padding: var(--space-3xl) 0;
    position: relative;
    overflow: hidden;
}

/* ===========================
   ANIMATIONS
   =========================== */

.animate-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(222, 175, 159, 0.3); }
    50% { box-shadow: 0 0 40px rgba(222, 175, 159, 0.6); }
}

@keyframes bounce-arrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ===========================
   NAVIGATION
   =========================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-sm) 0;
    transition: all 0.4s var(--ease-out);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(251, 245, 243, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 20px rgba(142, 73, 66, 0.08);
    padding: 0.6rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.nav-logo-img {
    height: 48px;
    width: auto;
    transition: transform 0.3s var(--ease-spring);
}

.nav-logo:hover .nav-logo-img {
    transform: scale(1.05) rotate(-3deg);
}

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

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-primary);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius-sm);
    transition: all 0.3s var(--ease-out);
    position: relative;
}

.navbar:not(.scrolled) .nav-links a {
    color: var(--white);
}

.nav-links a:hover {
    color: var(--maroon);
    background: rgba(222, 175, 159, 0.15);
}

.navbar:not(.scrolled) .nav-links a:hover {
    color: var(--cream);
    background: rgba(255, 255, 255, 0.15);
}

.nav-link-icon {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-cta {
    display: flex !important;
    align-items: center;
    gap: 0.4rem;
    background: var(--maroon) !important;
    color: var(--white) !important;
    padding: 0.5rem 1.2rem !important;
    border-radius: var(--radius-full) !important;
    font-weight: 600 !important;
    transition: all 0.3s var(--ease-spring) !important;
}

.nav-cta:hover {
    background: var(--terracotta) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s var(--ease-out);
}

.navbar:not(.scrolled) .nav-toggle span {
    background: var(--white);
}

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

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

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

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(142, 73, 66, 0.85) 0%,
        rgba(199, 127, 106, 0.75) 40%,
        rgba(217, 149, 124, 0.7) 70%,
        rgba(222, 175, 159, 0.8) 100%
    );
}

.hero-pattern {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.08;
    mix-blend-mode: overlay;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    max-width: 1200px;
    width: 100%;
    padding: var(--space-3xl) var(--space-md);
}

.hero-text {
    flex: 1;
    max-width: 560px;
}

.hero-logo {
    width: 280px;
    height: auto;
    margin-bottom: var(--space-lg);
    filter: drop-shadow(0 8px 24px rgba(0,0,0,0.15));
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--cream);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    font-weight: 400;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    font-family: var(--font-heading);
}

.hero-ctas {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s var(--ease-spring);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    background-size: 200% 100%;
    animation: shimmer 3s infinite;
    opacity: 0;
    transition: opacity 0.3s;
}

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

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1rem 2.2rem;
    font-size: 1.1rem;
}

/* Hero Vinyl Visual */
.hero-visual {
    flex-shrink: 0;
    position: relative;
}

.vinyl-container {
    position: relative;
    width: 340px;
    height: 340px;
    animation: float 4s ease-in-out infinite;
}

.vinyl-record {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: spin 8s linear infinite;
    filter: drop-shadow(0 16px 40px rgba(0,0,0,0.25));
}

.vinyl-album-art {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    pointer-events: none;
    opacity: 0;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    font-family: var(--font-heading);
    z-index: 1;
}

.scroll-arrow {
    animation: bounce-arrow 2s ease-in-out infinite;
}

/* ===========================
   SECTION TITLES
   =========================== */

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    text-align: center;
    color: var(--maroon);
    margin-bottom: var(--space-sm);
    position: relative;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================
   HOW TO PLAY
   =========================== */

.how-to-play {
    background: var(--white);
}

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

.step-card {
    background: var(--bg-section);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    position: relative;
    transition: all 0.4s var(--ease-spring);
    border: 1px solid rgba(142, 73, 66, 0.06);
}

.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(222, 175, 159, 0.3);
}

.step-number {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 4rem;
    color: var(--peach);
    opacity: 0.25;
    position: absolute;
    top: var(--space-sm);
    right: var(--space-md);
    line-height: 1;
}

.step-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--peach), var(--rose));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--white);
}

.step-card h3 {
    font-size: 1.3rem;
    color: var(--maroon);
    margin-bottom: var(--space-sm);
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.step-characters {
    display: flex;
    gap: -8px;
    margin-top: var(--space-md);
}

.step-char {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 3px solid var(--white);
    margin-left: -8px;
    transition: transform 0.3s var(--ease-spring);
    background: var(--cream);
    object-fit: cover;
}

.step-char:first-child {
    margin-left: 0;
}

.step-char:hover {
    transform: scale(1.2) translateY(-4px);
    z-index: 1;
}

/* Lyric bubbles */
.step-visual {
    margin-top: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.lyric-bubble {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-style: italic;
    position: relative;
}

.bubble-label {
    font-style: normal;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem;
    border-radius: var(--radius-full);
    margin-right: 0.5rem;
}

.bubble-real {
    background: rgba(142, 73, 66, 0.08);
    color: var(--maroon);
    border: 1px solid rgba(142, 73, 66, 0.15);
}

.bubble-real .bubble-label {
    background: var(--maroon);
    color: var(--white);
}

.bubble-fake {
    background: rgba(222, 175, 159, 0.15);
    color: var(--terracotta);
    border: 1px solid rgba(222, 175, 159, 0.25);
}

.bubble-fake .bubble-label {
    background: var(--rose);
    color: var(--white);
}

.speed-round-img {
    max-width: 180px;
    margin-top: var(--space-xs);
    filter: drop-shadow(0 4px 12px rgba(142,73,66,0.15));
}

/* ===========================
   FEATURES
   =========================== */

.features {
    background: linear-gradient(180deg, var(--bg-section) 0%, var(--cream) 100%);
    position: relative;
}

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

.features-pattern {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.04;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    position: relative;
    z-index: 1;
}

.feature-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    text-align: center;
    transition: all 0.4s var(--ease-spring);
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    background: rgba(255, 255, 255, 0.9);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-sm);
    display: inline-block;
    transition: transform 0.4s var(--ease-spring);
}

.feature-card:hover .feature-icon {
    transform: scale(1.2) rotate(-5deg);
}

.feature-card h3 {
    font-size: 1.15rem;
    color: var(--maroon);
    margin-bottom: var(--space-xs);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ===========================
   CHARACTERS
   =========================== */

.characters {
    background: var(--white);
}

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

.character-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    background: var(--bg-section);
    border: 1px solid transparent;
    transition: all 0.4s var(--ease-spring);
    cursor: default;
}

.character-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: var(--shadow-lg);
    border-color: var(--peach);
    background: var(--white);
}

.character-card img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--cream), var(--peach));
    padding: 8px;
    transition: transform 0.4s var(--ease-spring);
}

.character-card:hover img {
    transform: scale(1.1) rotate(5deg);
}

.character-card span {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--maroon);
    font-size: 0.95rem;
}

/* ===========================
   CTA SECTION
   =========================== */

.cta-section {
    background: linear-gradient(
        135deg,
        var(--maroon) 0%,
        var(--terracotta) 50%,
        var(--rose) 100%
    );
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.cta-radial {
    width: 80%;
    max-width: 800px;
    opacity: 0.06;
    animation: spin 60s linear infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: var(--space-md);
}

.cta-content p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

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

.cta-section .btn-primary {
    animation: pulse-glow 3s ease-in-out infinite;
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background: var(--bg-dark);
    color: var(--cream);
    padding: var(--space-xl) 0 var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid rgba(229, 213, 211, 0.1);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-sm);
    filter: brightness(1.2);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(229, 213, 211, 0.7);
    line-height: 1.6;
}

.footer-license {
    margin-top: var(--space-xs);
    font-size: 0.8rem !important;
    opacity: 0.5;
}

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

.footer-links h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: var(--space-xs);
    color: var(--peach);
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(229, 213, 211, 0.6);
    transition: all 0.3s var(--ease-out);
    padding: 0.2rem 0;
}

.footer-links a:hover {
    color: var(--peach);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: var(--space-md);
    text-align: center;
    font-size: 0.85rem;
    color: rgba(229, 213, 211, 0.4);
}

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

@media (max-width: 1024px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }

    .hero-text {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

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

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

    .vinyl-container {
        width: 260px;
        height: 260px;
    }

    .steps-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

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

    .characters-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(251, 245, 243, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 100px var(--space-lg) var(--space-lg);
        gap: var(--space-sm);
        transition: right 0.4s var(--ease-out);
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
    }

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

    .nav-links a {
        color: var(--text-primary) !important;
        font-size: 1.1rem;
        padding: 0.8rem !important;
    }

    .hero-logo {
        width: 200px;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .vinyl-container {
        width: 200px;
        height: 200px;
    }

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

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

    .section {
        padding: var(--space-2xl) 0;
    }
}

@media (max-width: 480px) {
    .hero-logo {
        width: 160px;
    }

    .hero-badges {
        gap: 0.5rem;
    }

    .badge {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }

    .btn {
        padding: 0.75rem 1.4rem;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 0.85rem 1.6rem;
        font-size: 1rem;
    }

    .characters-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-sm);
    }

    .character-card img {
        width: 80px;
        height: 80px;
    }
}