:root {
    --white: #ffffff;
    --bg-light: #f6f7f4;
    --bg-lime-tint: #edfdd4;
    --bg-dark: #003C3C;
    --lime: #CDF756;
    --lime-dark: #b5df3e;
    --lime-muted: #a8cc2a;
    --azure: #0083FF;
    --text-dark: #111111;
    --text-body: #333333;
    --text-muted: #6b7280;
    --border: #e4e4e0;
    --radius-large: 28px;
    --radius-medium: 20px;
    --radius-small: 14px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.07);
    --shadow-soft: 0 8px 40px rgba(0, 0, 0, 0.08);
    --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--white);
    color: var(--text-body);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: min(1160px, 92%);
    margin: 0 auto;
}

a { color: inherit; text-decoration: none; }

/* ─── Buttons ─── */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 0.25s var(--transition), box-shadow 0.25s var(--transition), background 0.2s;
}

.button.primary {
    background: var(--lime);
    color: var(--text-dark);
    box-shadow: 0 8px 24px rgba(205, 247, 86, 0.4);
}
.button.primary:hover {
    transform: translateY(-2px);
    background: #d8ff6a;
    box-shadow: 0 14px 32px rgba(205, 247, 86, 0.5);
}

.button.dark {
    background: var(--bg-dark);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(0, 60, 60, 0.25);
}
.button.dark:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(0, 60, 60, 0.35);
}

.button.outline {
    background: transparent;
    color: var(--text-dark);
    border: 1.5px solid var(--border);
}
.button.outline:hover {
    transform: translateY(-2px);
    border-color: #999;
}

/* small pill tag (like Ozen's section labels) */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    margin-bottom: 22px;
}

/* ─── Nav ─── */
.site-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo-full {
    height: 32px;
    width: auto;
}

.nav-divider {
    width: 1px;
    height: 22px;
    background: var(--border);
}

.nav-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.nav-product {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
}

.nav-parent {
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav-link {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}
.nav-link:hover { color: var(--text-dark); }

.nav-cta {
    padding: 9px 20px;
    font-size: 0.88rem;
}

/* ─── Hero ─── */
.hero {
    background: linear-gradient(160deg, #f2fde0 0%, #f9fff2 50%, #ffffff 100%);
    padding: 100px 0 80px;
    overflow: hidden;
    position: relative;
}

/* Subtle decorative glow — matches Ozen's background texture feel */
.hero::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -120px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(205, 247, 86, 0.18) 0%, transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: "";
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(205, 247, 86, 0.14) 0%, transparent 70%);
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 60px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
    align-items: flex-start;
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.75rem);
    font-weight: 700;
    line-height: 1.05;
    color: var(--text-dark);
}

.hero-title-lime {
    color: var(--lime-muted);
    display: block;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 520px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    align-items: center;
}

/* Tiles */
.hero-tiles {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.tile {
    border-radius: var(--radius-medium);
    padding: 28px;
    display: grid;
    gap: 14px;
    transition: transform 0.3s var(--transition);
}
.tile:hover { transform: translateY(-3px); }

.tile-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-weight: 700;
}

.tile-title {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
}

.tile-caption {
    font-size: 0.92rem;
    line-height: 1.6;
    opacity: 0.85;
}

/* Record: Lime bg — hero anchor tile */
.tile-record {
    grid-column: 1 / -1;
    min-height: 200px;
    background: var(--lime);
    color: var(--bg-dark);
}
.tile-record .tile-label { color: rgba(0,60,60,0.65); }

/* Post: Light bg */
.tile-post {
    min-height: 170px;
    background: var(--white);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    color: var(--text-dark);
}
.tile-post .tile-label { color: var(--lime-muted); }

/* Earn: Dark bg */
.tile-earn {
    min-height: 210px;
    background: var(--bg-dark);
    color: var(--white);
}
.tile-earn .tile-label { color: var(--lime); }
.tile-earn .tile-caption { opacity: 0.75; }

/* ─── Main ─── */
main {
    display: flex;
    flex-direction: column;
    gap: 0;
}

/* ─── Calculator ─── */
.calculator-section {
    padding: 100px 0;
    background: var(--white);
}

.section-heading {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 52px;
}

.section-heading h2 {
    font-size: clamp(2rem, 3vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 14px;
}

.section-heading p {
    font-size: 1rem;
    color: var(--text-muted);
}

.calculator-card {
    background: var(--white);
    border-radius: var(--radius-large);
    padding: 48px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 48px;
    align-items: stretch;
}

.calculator-inputs { display: flex; flex-direction: column; gap: 28px; }

.inputs-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.input-group { display: flex; flex-direction: column; gap: 10px; }

.input-group label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.input-group > input,
.input-wrapper {
    border: 1.5px solid var(--border);
    border-radius: var(--radius-small);
    padding: 16px 18px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group > input:focus {
    outline: none;
    border-color: var(--lime-muted);
    box-shadow: 0 0 0 3px rgba(205, 247, 86, 0.2);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    padding: 0;
}

.input-wrapper span {
    position: absolute;
    left: 18px;
    font-weight: 600;
    color: var(--text-muted);
    pointer-events: none;
}

.input-wrapper input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 16px 18px 16px 38px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}
.input-wrapper input:focus { outline: none; }

.input-wrapper:focus-within {
    border-color: var(--lime-muted);
    box-shadow: 0 0 0 3px rgba(205, 247, 86, 0.2);
}

.result-container {
    background: var(--bg-dark);
    border-radius: var(--radius-medium);
    padding: 36px;
    color: var(--white);
    display: flex;
    flex-direction: column;
    gap: 14px;
    justify-content: center;
}

.result-label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.55);
    font-weight: 600;
}

.result-amount {
    font-size: clamp(3rem, 6vw, 4.2rem);
    font-weight: 700;
    color: var(--lime);
    line-height: 1;
}

.result-caption {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
}

/* ─── Pillars ─── */
.pillars-section {
    background: var(--bg-light);
    padding: 100px 0;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.pillar-card {
    background: var(--white);
    border-radius: var(--radius-medium);
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    display: grid;
    gap: 18px;
    transition: transform 0.25s var(--transition);
}
.pillar-card:hover { transform: translateY(-3px); }

.pillar-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.pillar-card ul {
    list-style: none;
    display: grid;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.93rem;
}

.pillar-card li {
    position: relative;
    padding-left: 18px;
}

.pillar-card li::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--lime);
    border: 1.5px solid var(--lime-muted);
}

/* ─── Listen ─── */
.listen-section { padding: 100px 0; }

.listen-card {
    background: var(--bg-dark);
    border-radius: var(--radius-large);
    padding: 48px 56px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 48px;
    align-items: center;
    color: var(--white);
    box-shadow: 0 20px 60px rgba(0,60,60,0.25);
}

.listen-content h2 {
    font-size: clamp(1.8rem, 2.6vw, 2.6rem);
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.15;
}

.listen-content h2 span { color: var(--lime); }

.listen-content p {
    color: rgba(255,255,255,0.7);
    font-size: 1rem;
}

.listen-player {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px 28px;
    border-radius: var(--radius-medium);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(205, 247, 86, 0.2);
}

.listen-play-button {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--lime);
    color: var(--bg-dark);
    box-shadow: 0 12px 30px rgba(205, 247, 86, 0.35);
    cursor: pointer;
    flex-shrink: 0;
    transition: transform 0.25s var(--transition), box-shadow 0.25s var(--transition);
}
.listen-play-button:hover {
    transform: scale(1.06);
    box-shadow: 0 18px 40px rgba(205, 247, 86, 0.45);
}
.listen-play-button:focus-visible {
    outline: 0;
    box-shadow: 0 0 0 4px rgba(205, 247, 86, 0.4), 0 12px 30px rgba(205, 247, 86, 0.35);
}

.listen-player.playing .listen-play-button { background: var(--lime); }

.listen-icon {
    position: relative;
    width: 0;
    height: 0;
    border-left: 18px solid currentColor;
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
    margin-left: 3px;
    transition: all 0.25s var(--transition);
}

.listen-player.playing .listen-icon {
    width: 16px;
    height: 22px;
    border: none;
    margin-left: 0;
}
.listen-player.playing .listen-icon::before,
.listen-player.playing .listen-icon::after {
    content: "";
    position: absolute;
    top: 0;
    width: 5px;
    height: 100%;
    background: currentColor;
    border-radius: 3px;
}
.listen-player.playing .listen-icon::after { right: 0; }

.listen-track {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.listen-track-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}

.listen-track-title {
    font-weight: 600;
    font-size: 1rem;
    color: rgba(255,255,255,0.95);
}

.listen-time {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: "JetBrains Mono", "SFMono-Regular", Menlo, monospace;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    flex-shrink: 0;
}
.listen-time-divider { color: rgba(255,255,255,0.3); }

.listen-progress {
    width: 100%;
    accent-color: var(--lime);
    appearance: none;
    height: 5px;
    border-radius: 999px;
    background: rgba(255,255,255,0.2);
    cursor: pointer;
}

.listen-progress::-webkit-slider-runnable-track {
    height: 5px;
    border-radius: 999px;
    background: rgba(255,255,255,0.2);
}
.listen-progress::-webkit-slider-thumb {
    appearance: none;
    margin-top: -5px;
    height: 15px;
    width: 15px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--lime);
    box-shadow: 0 2px 8px rgba(205, 247, 86, 0.4);
    transition: transform 0.2s;
}
.listen-progress:active::-webkit-slider-thumb { transform: scale(1.15); }

.listen-progress::-moz-range-track {
    height: 5px;
    border-radius: 999px;
    background: rgba(255,255,255,0.2);
}
.listen-progress::-moz-range-thumb {
    height: 13px;
    width: 13px;
    border-radius: 50%;
    border: 2px solid var(--lime);
    background: var(--white);
}
.listen-progress:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(205, 247, 86, 0.25);
}
.listen-audio { display: none; }

/* ─── Archive ─── */
.archive-section {
    padding: 100px 0;
    background: var(--white);
    border-top: 1px solid var(--border);
}

.archive-container { display: grid; gap: 52px; }

.archive-content { max-width: 680px; }

.archive-content h2 {
    font-size: clamp(1.9rem, 3vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 16px;
    line-height: 1.15;
}

.archive-content h2 span { color: var(--lime-muted); }

.archive-content p {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.archive-card {
    background: var(--bg-light);
    border-radius: var(--radius-medium);
    border: 1px solid var(--border);
    padding: 32px;
    display: grid;
    gap: 14px;
    transition: transform 0.25s var(--transition), box-shadow 0.25s;
}
.archive-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }

.archive-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
}
.archive-card p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.65; }

/* ─── Bubbles (hidden) ─── */
.bubbles-section { display: none; }
.recap-section { display: none; }

/* ─── CTA ─── */
.cta-section { padding: 80px 0 100px; }

.cta-container {
    background: var(--bg-dark);
    border-radius: var(--radius-large);
    padding: 64px 72px;
    color: var(--white);
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
    position: relative;
    overflow: hidden;
}

/* Decorative lime circle behind CTA */
.cta-container::before {
    content: "";
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(205, 247, 86, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content h2 {
    font-size: clamp(1.8rem, 2.8vw, 2.8rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 14px;
}

.cta-content h2 span { color: var(--lime); }

.cta-content p {
    color: rgba(255,255,255,0.65);
    font-size: 1rem;
    line-height: 1.7;
}

.cta-form { display: grid; gap: 16px; }

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.cta-form input,
.cta-form textarea {
    border-radius: 14px;
    border: 1.5px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.07);
    color: var(--white);
    padding: 15px 18px;
    font-size: 0.95rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s;
}
.cta-form input::placeholder,
.cta-form textarea::placeholder { color: rgba(255,255,255,0.45); }
.cta-form input:focus,
.cta-form textarea:focus {
    outline: none;
    border-color: rgba(205, 247, 86, 0.5);
}

.form-status {
    min-height: 22px;
    font-size: 0.9rem;
    font-weight: 600;
    color: rgba(255,255,255,0.6);
}
.form-status.success { color: var(--lime); }
.form-status.error { color: #f87171; }

/* ─── Footer ─── */
.site-footer {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 56px 0 40px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand { display: flex; flex-direction: column; gap: 16px; }

.footer-logo-lockup {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-logo-full {
    height: 30px;
    width: auto;
}

.footer-divider {
    width: 1px;
    height: 20px;
    background: var(--border);
}

.footer-product-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.footer-brand p {
    max-width: 300px;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--text-dark); }

.footer-copy {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}
.footer-copy a {
    color: var(--text-body);
    font-weight: 600;
    transition: color 0.2s;
}
.footer-copy a:hover { color: var(--bg-dark); }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
    .hero-container { grid-template-columns: 1fr; }
    .hero-tiles { grid-template-columns: 1fr; }
    .tile-record { grid-column: 1; }
    .calculator-card { grid-template-columns: 1fr; }
    .listen-card { grid-template-columns: 1fr; padding: 40px; }
    .pillars-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .cta-container { grid-template-columns: 1fr; padding: 48px; }
}

@media (max-width: 768px) {
    .nav-actions .nav-link { display: none; }
    .hero { padding: 80px 0 60px; }
    .hero-title { font-size: clamp(2.4rem, 8vw, 3.2rem); }
    .calculator-section, .pillars-section, .listen-section,
    .archive-section, .cta-section { padding: 80px 0; }
    .listen-section { padding: 80px 0; }
    .listen-card { padding: 32px 28px; gap: 32px; }
    .listen-player { flex-direction: column; align-items: stretch; }
    .listen-play-button { align-self: flex-start; }
    .listen-track-header { flex-direction: column; align-items: flex-start; }
    .inputs-row { grid-template-columns: 1fr; }
    .pillars-grid { grid-template-columns: 1fr; }
    .archive-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-container { flex-direction: column; }
    .footer-links { align-items: flex-start; }
    .cta-container { padding: 36px 28px; }
}

@media (max-width: 480px) {
    .hero-tiles { grid-template-columns: 1fr; }
    .calculator-card { padding: 28px; }
    .listen-card { padding: 28px 22px; }
    .tile { padding: 24px; }
}