/* =========================================================
   PostureMax — Website Styles
   Mirrors the in-app Unshrimp theme:
     - Palette: shellCream / coralPop / seafoamMint / sandy / gold
     - Type: Fredoka (display), Nunito (body), Quicksand (UI)
     - Cards: cream-white, sandy border, soft warm shadow
   ========================================================= */

:root {
    /* Core palette — pulled from UnshrimpTheme.swift */
    --shrimp-peach:     #FFB5A7;
    --coral-pop:        #FF8A75;
    --coral-deep:       #E85D4A;
    --peach-light:      #FFF0EC;
    --peach-deep:       #F28C7D;
    --seafoam-mint:     #B8E0D2;
    --mint-light:       #E8F5F0;
    --mint-deep:        #7BC4A8;
    --shell-cream:      #FFF8F0;
    --unshrimp-white:   #FFFCF9;
    --sandy:            #F5E6D3;
    --tide-pool:        #D4C5F0;
    --lavender-light:   #EDE5FA;
    --gold-shell:       #F0C75E;
    --gold-deep:        #D4A83A;
    --sky:              #B8D4E8;
    --deep-ink:         #3D3129;
    --dark-soft:        #5C4F44;
    --warm-gray:        #8B7E74;

    /* Semantic aliases */
    --bg:               var(--shell-cream);
    --bg-card:          var(--unshrimp-white);
    --bg-bubble:        var(--peach-light);
    --text-headline:    var(--deep-ink);
    --text-body:        var(--dark-soft);
    --text-caption:     var(--warm-gray);
    --border:           var(--sandy);
    --primary:          var(--coral-pop);
    --primary-deep:     var(--coral-deep);
    --secondary:        var(--seafoam-mint);
    --reward:           var(--gold-shell);

    /* Layout */
    --max-width:        920px;
    --spacing-xs:       0.5rem;
    --spacing-sm:       1rem;
    --spacing-md:       2rem;
    --spacing-lg:       3rem;
    --spacing-xl:       4.5rem;
    --radius-sm:        12px;
    --radius-md:        20px;
    --radius-lg:        28px;
    --shadow-card:      0 8px 24px rgba(61, 49, 41, 0.06);
    --shadow-elevated:  0 12px 36px rgba(61, 49, 41, 0.10);
}

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

html, body {
    /* Subtle screen gradient mirrors the in-app screenGradient */
    background:
        linear-gradient(180deg, var(--peach-light) 0%, var(--shell-cream) 50%, var(--mint-light) 100%);
    background-attachment: fixed;
    color: var(--text-body);
    font-family: 'Nunito', 'Quicksand', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Header ---------- */
header {
    padding: var(--spacing-md) 0;
    margin-bottom: var(--spacing-lg);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-headline);
}

.logo .app-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
}

.logo h1 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-headline);
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
}

.nav-links a {
    font-family: 'Quicksand', sans-serif;
    font-weight: 600;
    color: var(--text-body);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: var(--coral-deep);
}

/* ---------- Hero ---------- */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-md);
}

.tagline {
    display: inline-block;
    font-family: 'Quicksand', sans-serif;
    color: var(--coral-deep);
    background-color: var(--peach-light);
    border: 1.5px solid var(--shrimp-peach);
    border-radius: 999px;
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
}

.headline {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.025em;
    color: var(--text-headline);
    margin-bottom: var(--spacing-sm);
}

.headline .accent {
    color: var(--coral-pop);
    background: linear-gradient(135deg, var(--coral-pop), var(--peach-deep));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subheadline {
    font-size: 1.2rem;
    color: var(--text-body);
    max-width: 540px;
    margin: 0 auto var(--spacing-md);
    font-weight: 400;
}

.hero-mascot {
    margin: var(--spacing-md) auto var(--spacing-lg);
    width: 240px;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at center, var(--peach-light) 0%, transparent 70%);
}

.hero-mascot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    animation: float 4s ease-in-out infinite;
}

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

/* ---------- Buttons ---------- */
.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    border-radius: 999px; /* capsule, like in-app */
    font-family: 'Quicksand', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    min-width: 260px;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 6px 18px rgba(232, 93, 74, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-deep);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(232, 93, 74, 0.32);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text-headline);
    box-shadow: 0 6px 18px rgba(123, 196, 168, 0.22);
}

.btn-secondary:hover {
    background-color: var(--mint-deep);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(123, 196, 168, 0.30);
}

.apple-logo,
.android-logo {
    width: 20px;
    height: 20px;
}

/* ---------- App Showcase ---------- */
.app-showcase {
    margin-bottom: var(--spacing-xl);
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg) 0;
}

.iphone-mockup {
    position: relative;
    width: 300px;
    height: 650px;
}

.iphone-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--deep-ink);
    border-radius: 50px;
    padding: 8px;
    box-shadow:
        0 24px 60px rgba(61, 49, 41, 0.18),
        0 0 0 1px rgba(61, 49, 41, 0.10);
}

.iphone-frame::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 28px;
    background: var(--deep-ink);
    border-radius: 0 0 20px 20px;
    z-index: 2;
}

.iphone-frame::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 35%;
    height: 4px;
    background: var(--warm-gray);
    border-radius: 2px;
}

.iphone-screen {
    width: 100%;
    height: 100%;
    background: var(--shell-cream);
    border-radius: 42px;
    overflow: hidden;
    position: relative;
}

.iphone-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

/* ---------- Section headings ---------- */
section h3 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    text-align: center;
    font-size: clamp(1.7rem, 3.5vw, 2.25rem);
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.section-subtitle {
    text-align: center;
    color: var(--text-caption);
    max-width: 560px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.05rem;
}

/* ---------- Features ---------- */
.features {
    margin-bottom: var(--spacing-xl);
}

.feature {
    background-color: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

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

/* ---------- Carousel ---------- */
.carousel {
    --cards-visible: 3;
    --card-gap: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.carousel-viewport {
    flex: 1;
    overflow: hidden;
    /* Bleed shadows out of the clip a touch — soft padding on the
       inside so card hover lift isn't cropped */
    padding: 6px 2px 12px;
    margin: -6px -2px -12px;
}

.carousel-track {
    display: flex;
    gap: var(--card-gap);
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.carousel-item {
    /* Each card occupies (1 / cards-visible) of the viewport,
       minus its share of the gaps between visible cards. */
    flex: 0 0 calc(
        (100% - (var(--cards-visible) - 1) * var(--card-gap))
        / var(--cards-visible)
    );
    min-width: 0;
}

.carousel-arrow {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background-color: var(--bg-card);
    color: var(--coral-deep);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    transition: background-color 0.2s ease,
                color 0.2s ease,
                transform 0.2s ease,
                box-shadow 0.2s ease,
                opacity 0.2s ease;
}

.carousel-arrow svg {
    width: 22px;
    height: 22px;
}

.carousel-arrow:hover:not(:disabled) {
    background-color: var(--coral-pop);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(232, 93, 74, 0.28);
}

.carousel-arrow:active:not(:disabled) {
    transform: translateY(0);
}

.carousel-arrow:focus-visible {
    outline: 3px solid var(--coral-pop);
    outline-offset: 3px;
}

.carousel-arrow:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    box-shadow: none;
}

@media (prefers-reduced-motion: reduce) {
    .carousel-track { transition: none; }
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-sm);
    background-color: var(--peach-light);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.feature.feature-mint .feature-icon { background-color: var(--mint-light); }
.feature.feature-gold .feature-icon { background-color: rgba(240, 199, 94, 0.18); }
.feature.feature-lavender .feature-icon { background-color: var(--lavender-light); }

.feature h4 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-headline);
    margin-bottom: var(--spacing-xs);
}

.feature p {
    color: var(--text-body);
    font-size: 0.95rem;
    line-height: 1.55;
}

/* ---------- Evolution Stages ---------- */
.evolution {
    margin-bottom: var(--spacing-xl);
}

.evolution-track {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm);
    background-color: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-card);
}

.stage {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.stage-art {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: radial-gradient(circle at center, var(--peach-light) 0%, transparent 75%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.stage-art img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.stage-label {
    font-family: 'Quicksand', sans-serif;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-caption);
    font-weight: 600;
}

.stage-xp {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--coral-deep);
}

/* XP gradient progress bar under the evolution row */
.xp-bar {
    margin-top: var(--spacing-sm);
    height: 10px;
    border-radius: 999px;
    background-color: var(--peach-light);
    overflow: hidden;
}

.xp-bar-fill {
    height: 100%;
    width: 100%;
    background: linear-gradient(90deg, var(--shrimp-peach), var(--coral-pop));
    border-radius: 999px;
}

/* ---------- How it Works ---------- */
.how-it-works {
    margin-bottom: var(--spacing-xl);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.step {
    background-color: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-card);
    position: relative;
}

.step-number {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--coral-pop), var(--peach-deep));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0 auto var(--spacing-sm);
    box-shadow: 0 4px 12px rgba(232, 93, 74, 0.25);
}

.step h4 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-headline);
    margin-bottom: var(--spacing-xs);
}

.step p {
    color: var(--text-body);
    font-size: 0.95rem;
}

/* ---------- Benefits ---------- */
.benefits {
    margin-bottom: var(--spacing-xl);
}

.benefit-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-sm);
    max-width: 720px;
    margin: 0 auto;
}

.benefit {
    font-family: 'Quicksand', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-headline);
    padding: var(--spacing-sm) 1.25rem;
    background-color: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.benefit::before {
    content: '✓';
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background-color: var(--mint-deep);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

/* ---------- Speech bubble (mascot quote) ---------- */
.coach-quote {
    background-color: var(--bg-bubble);
    border: 1.5px solid var(--shrimp-peach);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    max-width: 560px;
    margin: 0 auto var(--spacing-xl);
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-card);
}

.coach-quote p {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    color: var(--coral-deep);
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.5;
}

.coach-quote .quote-attribution {
    font-family: 'Quicksand', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: var(--spacing-sm);
}

/* ---------- Waitlist ---------- */
.waitlist {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--peach-light), var(--mint-light));
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.waitlist h3 {
    margin-bottom: var(--spacing-xs);
}

.waitlist p {
    color: var(--text-body);
    margin-bottom: var(--spacing-md);
}

.waitlist-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 460px;
    margin: 0 auto;
}

.waitlist-form input {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 1.5px solid var(--border);
    border-radius: 999px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    background-color: var(--bg-card);
    color: var(--text-headline);
}

.waitlist-form input::placeholder { color: var(--text-caption); }

.waitlist-form input:focus {
    outline: none;
    border-color: var(--coral-pop);
    box-shadow: 0 0 0 4px rgba(255, 138, 117, 0.15);
}

.waitlist-form button {
    white-space: nowrap;
    min-width: auto;
}

/* ---------- Footer ---------- */
footer {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1.5px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    color: var(--text-headline);
    font-weight: 600;
}

.footer-brand img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-family: 'Quicksand', sans-serif;
    color: var(--text-body);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.copyright {
    color: var(--text-caption);
    font-size: 0.875rem;
    font-family: 'Quicksand', sans-serif;
}

/* ---------- Legal Pages ---------- */
.legal-content {
    max-width: 760px;
    margin: 0 auto;
    padding-bottom: var(--spacing-xl);
    background-color: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-card);
}

.legal-content h1 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--text-headline);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.02em;
}

.legal-content h2 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-headline);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.legal-content h3 {
    font-family: 'Fredoka', 'Quicksand', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-headline);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.legal-content p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    color: var(--text-body);
}

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

.legal-content ul li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
    color: var(--text-body);
}

.legal-content a {
    color: var(--coral-deep);
    text-decoration: none;
    font-weight: 600;
}

.legal-content a:hover { text-decoration: underline; }

.legal-content section { margin-bottom: var(--spacing-lg); }

.last-updated {
    color: var(--text-caption);
    font-family: 'Quicksand', sans-serif;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.highlight {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--coral-deep);
    background-color: var(--peach-light);
    border-left: 4px solid var(--coral-pop);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
}

.acknowledgment {
    background-color: var(--mint-light);
    border: 1.5px solid var(--seafoam-mint);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-lg);
}

/* ---------- Responsive ---------- */
@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
        justify-content: center;
    }

    .iphone-mockup {
        width: 360px;
        height: 740px;
    }
}

@media (max-width: 900px) {
    .carousel { --cards-visible: 2; }
}

@media (max-width: 720px) {
    .evolution-track {
        grid-template-columns: repeat(5, 1fr);
        gap: 0.5rem;
        padding: var(--spacing-sm);
    }
    .stage-label, .stage-xp { font-size: 0.65rem; }
    .stage-xp { font-size: 0.8rem; }
}

@media (max-width: 640px) {
    .container { padding: var(--spacing-sm); }

    .nav-links { display: none; }

    .hero-mascot { width: 180px; height: 180px; }

    .iphone-mockup {
        width: 280px;
        height: 575px;
    }

    .carousel {
        --cards-visible: 1;
        --card-gap: var(--spacing-sm);
        gap: 0.5rem;
    }

    .carousel-arrow { width: 38px; height: 38px; }
    .carousel-arrow svg { width: 18px; height: 18px; }

    .steps,
    .benefit-list { grid-template-columns: 1fr; }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .waitlist-form {
        flex-direction: column;
    }

    .waitlist-form button {
        width: 100%;
    }
}