:root {
    --bg-light: #f5f7fa;
    --bg-muted: #e8ecf1;
    --bg-dark: #0f172a;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #60a5fa;
    --secondary: #38bdf8;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius-large: 32px;
    --radius-medium: 24px;
    --radius-small: 16px;
    --shadow-soft: 0 20px 60px rgba(15, 23, 42, 0.12);
    --shadow-card: 0 16px 40px rgba(15, 23, 42, 0.1);
    --transition: cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

.container {
    width: min(1200px, 92%);
    margin: 0 auto;
}

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

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 600;
    transition: transform 0.3s var(--transition), box-shadow 0.3s var(--transition), background 0.3s var(--transition);
    border: none;
    cursor: pointer;
}

.button.primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 16px 30px rgba(37, 99, 235, 0.35);
}

.button.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.4);
}

.button.secondary {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.button.secondary:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 20px;
    transition: gap 0.3s var(--transition), color 0.3s var(--transition);
}

.link-arrow::after {
    content: "→";
    font-size: 1.15rem;
    transition: transform 0.3s var(--transition);
}

.link-arrow:hover {
    color: var(--primary-dark);
}

.link-arrow:hover::after {
    transform: translateX(4px);
}

.hero {
    position: relative;
    background: radial-gradient(circle at top right, rgba(56, 189, 248, 0.12) 0%, transparent 55%),
                radial-gradient(circle at bottom left, rgba(59, 130, 246, 0.18) 0%, transparent 60%),
                linear-gradient(135deg, #0b1220 0%, #111c2f 40%, #0f172a 100%);
    color: var(--white);
    padding: 120px 0;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.35) 0%, rgba(15, 23, 42, 0.8) 100%);
    mix-blend-mode: lighten;
    opacity: 0.85;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: 48px;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 32px;
    align-items: flex-start;
}

.hero-actions {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

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

.tile {
    position: relative;
    border-radius: var(--radius-medium);
    padding: 28px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(96, 165, 250, 0.18);
    backdrop-filter: blur(14px);
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.18);
    display: grid;
    gap: 16px;
}

.tile-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: rgba(96, 165, 250, 0.9);
}

.tile-title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--white);
}

.tile-caption {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1rem;
    line-height: 1.55;
}

.tile-record {
    grid-column: 1 / -1;
    min-height: 220px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.45) 0%, rgba(15, 23, 42, 0.85) 100%);
}

.tile-post {
    min-height: 180px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.35) 0%, rgba(30, 58, 138, 0.85) 100%);
}

.tile-earn {
    min-height: 240px;
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.35) 0%, rgba(15, 118, 110, 0.85) 100%);
}

.hero-title {
    font-size: clamp(3.25rem, 5vw, 4.75rem);
    font-weight: 700;
    line-height: 1.05;
    margin-bottom: 20px;
}

main {
    display: flex;
    flex-direction: column;
    gap: 90px;
    padding: 60px 0 90px;
}

.listen-section {
    margin-top: 0;
}

.listen-card {
    background: linear-gradient(135deg, #0f1f4b 0%, #12275c 100%);
    border-radius: 32px;
    padding: 40px 48px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
    box-shadow: 0 35px 60px rgba(15, 23, 42, 0.25);
    color: var(--white);
    border: 1px solid rgba(96, 165, 250, 0.2);
    backdrop-filter: blur(8px);
}

.listen-content h2 {
    font-size: clamp(2rem, 2.8vw, 3rem);
    margin-bottom: 16px;
}

.listen-content p {
    color: rgba(226, 232, 240, 0.8);
    font-size: 1.05rem;
    max-width: 520px;
}

.listen-player {
    display: flex;
    align-items: center;
    gap: 28px;
    width: 100%;
    padding: 26px 32px;
    border-radius: var(--radius-large);
    background:
        linear-gradient(135deg, rgba(37, 99, 235, 0.28) 0%, rgba(30, 64, 175, 0.35) 100%);
    border: 1px solid rgba(148, 163, 184, 0.22);
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.04),
        0 22px 45px rgba(15, 23, 42, 0.28);
}

.listen-play-button {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    box-shadow: 0 26px 45px rgba(37, 99, 235, 0.4);
    cursor: pointer;
    transition: transform 0.3s var(--transition), box-shadow 0.3s var(--transition);
}

.listen-play-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 34px 56px rgba(37, 99, 235, 0.45);
}

.listen-play-button:focus-visible {
    outline: 0;
    box-shadow:
        0 0 0 4px rgba(255, 255, 255, 0.2),
        0 26px 45px rgba(37, 99, 235, 0.4);
}

.listen-player.playing .listen-play-button {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
}

.listen-icon {
    position: relative;
    width: 0;
    height: 0;
    border-left: 20px solid currentColor;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
    transition: all 0.3s var(--transition);
}

.listen-player.playing .listen-icon {
    width: 18px;
    height: 24px;
    border: none;
}

.listen-player.playing .listen-icon::before,
.listen-player.playing .listen-icon::after {
    content: "";
    position: absolute;
    top: 0;
    width: 6px;
    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: 18px;
}

.listen-track-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}

.listen-track-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
}

.listen-time {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: "JetBrains Mono", "Fira Code", "SFMono-Regular", Menlo, monospace;
    font-size: 0.95rem;
    color: rgba(226, 232, 240, 0.75);
}

.listen-progress {
    width: 100%;
    accent-color: var(--primary);
    appearance: none;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    position: relative;
}

.listen-progress::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.25);
}

.listen-progress::-webkit-slider-thumb {
    appearance: none;
    margin-top: -5px;
    height: 16px;
    width: 16px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--primary);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
    transition: transform 0.2s var(--transition);
}

.listen-progress:active::-webkit-slider-thumb {
    transform: scale(1.08);
}

.listen-progress::-moz-range-track {
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.25);
}

.listen-progress::-moz-range-thumb {
    height: 14px;
    width: 14px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    background: var(--white);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
    transition: transform 0.2s var(--transition);
}

.listen-progress:focus-visible {
    outline: none;
    box-shadow: 0 0 0 6px rgba(37, 99, 235, 0.25);
}

.listen-time-divider {
    color: rgba(226, 232, 240, 0.4);
}

.listen-audio {
    display: none;
}

.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 48px;
}

.section-heading h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    font-weight: 700;
    margin-bottom: 18px;
}

.section-heading p {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* Calculator */
.calculator-section {
    position: relative;
}

.calculator-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
}

.calculator-card {
    background: var(--bg-light);
    border-radius: var(--radius-large);
    padding: 40px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    gap: 40px;
    align-items: stretch;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

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

.input-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.input-group > input {
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    padding: 18px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color 0.3s var(--transition), box-shadow 0.3s var(--transition);
}

.input-group > input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
    border: 1px solid var(--border);
    border-radius: var(--radius-small);
    background: var(--white);
    transition: border-color 0.3s var(--transition), box-shadow 0.3s var(--transition);
}

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

.input-wrapper input {
    flex: 1;
    width: 100%;
    border: none;
    background: transparent;
    padding: 18px 18px 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
}

.input-wrapper input:focus {
    outline: none;
    box-shadow: none;
}

.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
}

.result-container {
    background: linear-gradient(135deg, #111c2f 0%, #182a46 100%);
    border-radius: var(--radius-medium);
    padding: 32px;
    color: var(--white);
    display: grid;
    gap: 12px;
}

.result-label {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
}

.result-amount {
    font-size: clamp(3rem, 6vw, 4rem);
    font-weight: 700;
}

.result-caption {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
}

/* Pillars */
.pillars-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-muted) 100%);
    padding: 100px 0;
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.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: 16px;
}

.pillar-card h3 {
    font-size: 1.35rem;
    font-weight: 600;
}

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

.pillar-card li {
    position: relative;
    padding-left: 20px;
}

.pillar-card li::before {
    content: "";
    position: absolute;
    top: 10px;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* Bubbles Section */
.bubbles-section {
    padding: 120px 0;
}

.bubbles-section {
    display: none;
}

.bubbles-container {
    margin-top: 60px;
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 48px;
}

.bubbles-sidebar {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 120px;
}

.bubble {
    background: var(--white);
    border-radius: var(--radius-small);
    padding: 18px 24px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
    cursor: pointer;
    transition: transform 0.3s var(--transition), border-color 0.3s var(--transition), box-shadow 0.3s var(--transition);
    overflow: hidden;
}

.bubble-content {
    display: grid;
    gap: 10px;
}

.bubble-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-dark);
}

.bubble .bubble-text {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.3s var(--transition), max-height 0.4s var(--transition);
    color: var(--text-muted);
    font-size: 0.95rem;
}

.bubble.active {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e293b 100%);
    color: var(--white);
    border-color: rgba(96, 165, 250, 0.4);
    transform: translateX(8px);
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.18);
    padding: 24px 28px;
}

.bubble.active .bubble-title {
    color: var(--white);
}

.bubble.active .bubble-text {
    opacity: 1;
    max-height: 180px;
    color: rgba(255, 255, 255, 0.85);
}

.bubble:hover:not(.active) {
    transform: translateX(4px);
    border-color: rgba(37, 99, 235, 0.4);
}

.bubbles-main {
    --bubbles-overlay: linear-gradient(135deg, rgba(30, 64, 175, 0.65) 0%, rgba(15, 23, 42, 0.85) 100%);
    min-height: 520px;
    border-radius: var(--radius-large);
    background: rgba(15, 23, 42, 0.75);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: background-color 0.4s ease-in-out, box-shadow 0.4s ease-in-out;
    backdrop-filter: blur(14px);
}

.bubbles-image {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.6s var(--transition);
    z-index: 0;
    filter: saturate(108%) contrast(104%);
}

.bubbles-image.visible {
    opacity: 1;
}

.bubbles-main::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--bubbles-overlay);
    opacity: 0.88;
    z-index: 1;
    mix-blend-mode: multiply;
}

.bubbles-main-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    padding: 80px 70px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 560px;
}

.bubbles-title {
    font-size: 2.25rem;
    font-weight: 700;
}

.bubbles-description {
    font-size: 1.2rem;
    opacity: 0.85;
}

.bubbles-main.bg-1 { --bubbles-overlay: linear-gradient(135deg, rgba(37, 99, 235, 0.55) 0%, rgba(15, 23, 42, 0.88) 100%); }
.bubbles-main.bg-2 { --bubbles-overlay: linear-gradient(135deg, rgba(56, 189, 248, 0.48) 0%, rgba(17, 24, 39, 0.88) 100%); }
.bubbles-main.bg-3 { --bubbles-overlay: linear-gradient(135deg, rgba(20, 184, 166, 0.5) 0%, rgba(15, 23, 42, 0.88) 100%); }
.bubbles-main.bg-4 { --bubbles-overlay: linear-gradient(135deg, rgba(124, 58, 237, 0.45) 0%, rgba(30, 41, 59, 0.9) 100%); }
.bubbles-main.bg-5 { --bubbles-overlay: linear-gradient(135deg, rgba(14, 165, 233, 0.5) 0%, rgba(15, 23, 42, 0.88) 100%); }

/* Recap */
.recap-section {
    display: none;
}

.recap-container {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
    align-items: center;
}

.recap-copy h2 {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 16px;
}

.recap-copy p {
    color: var(--text-muted);
}

.recap-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.recap-card {
    background: var(--white);
    border-radius: var(--radius-medium);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    padding: 26px;
    display: grid;
    gap: 16px;
    align-items: start;
    text-align: left;
}

.recap-icon {
    font-size: 1.6rem;
}

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

.cta-container {
    background: linear-gradient(135deg, #0f172a 0%, #111c2f 100%);
    border-radius: var(--radius-large);
    padding: 60px 70px;
    color: var(--white);
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 50px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.75);
    margin-top: 16px;
}

.cta-form {
    display: grid;
    gap: 20px;
}

.form-status {
    min-height: 24px;
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.form-status.success {
    color: #4ade80;
}

.form-status.error {
    color: #f87171;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.cta-form input,
.cta-form textarea {
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    padding: 16px 18px;
    font-size: 1rem;
    resize: vertical;
}

.cta-form input::placeholder,
.cta-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.cta-form input:focus,
.cta-form textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.45);
}

.archive-section {
    position: relative;
    padding: 100px 0;
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 55%),
        radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.14), transparent 50%),
        linear-gradient(135deg, rgba(15, 23, 42, 0.04) 0%, rgba(59, 130, 246, 0.06) 100%);
    overflow: hidden;
}

.archive-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1), transparent 55%),
        radial-gradient(circle at 80% 20%, rgba(56, 189, 248, 0.08), transparent 50%);
    mix-blend-mode: multiply;
    opacity: 0.9;
    pointer-events: none;
}

.archive-container {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 50px;
}

.archive-content {
    max-width: 720px;
    display: grid;
    gap: 18px;
}

.archive-content h2 {
    font-size: clamp(2rem, 3.2vw, 3rem);
    font-weight: 700;
}

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

.archive-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
}

.archive-card {
    background: var(--white);
    border-radius: var(--radius-medium);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    padding: 32px;
    display: grid;
    gap: 16px;
}

.archive-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
}

.archive-card p {
    color: var(--text-muted);
}

/* Footer */
.site-footer {
    background: #0b111d;
    color: rgba(255, 255, 255, 0.75);
    padding: 48px 0 32px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 40px;
    margin-bottom: 24px;
}

.footer-logo {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--white);
}

.footer-brand p {
    max-width: 320px;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s var(--transition);
}

.footer-copy a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.3);
}

.footer-copy a:hover {
    color: var(--white);
    text-decoration-color: rgba(255, 255, 255, 0.6);
}

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

.footer-copy {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .hero-container {
        grid-template-columns: 1fr;
    }

    .listen-card {
        grid-template-columns: minmax(0, 1fr);
        padding: 36px;
    }

    .listen-player {
        gap: 24px;
        padding: 24px 28px;
    }

    .listen-play-button {
        width: 68px;
        height: 68px;
    }

    .hero-tiles {
        grid-template-columns: 1fr;
    }

    .tile-record {
        grid-column: 1;
    }

    .calculator-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .calculator-card {
        grid-template-columns: minmax(0, 1fr);
    }

    .pillars-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bubbles-container {
        grid-template-columns: minmax(0, 1fr);
    }

    .bubbles-sidebar {
        position: static;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 10px;
    }

    .bubble {
        min-width: 220px;
    }

    .bubbles-main {
        min-height: 420px;
    }

    .archive-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .recap-container {
        grid-template-columns: 1fr;
    }

    .recap-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cta-container {
        grid-template-columns: 1fr;
        padding: 50px;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 100px 0;
    }

    main {
        gap: 80px;
        padding: 60px 0 80px;
    }

    .listen-card {
        padding: 32px 28px;
    }

    .listen-player {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
        padding: 24px;
    }

    .listen-play-button {
        width: 64px;
        height: 64px;
        align-self: flex-start;
    }

    .listen-track {
        gap: 14px;
    }

    .listen-track-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .listen-time {
        font-size: 0.9rem;
    }

    .listen-content p {
        font-size: 1rem;
    }

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

    .hero-tiles {
        grid-template-columns: 1fr;
    }

    .inputs-row {
        grid-template-columns: 1fr;
    }

    .pillars-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .recap-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .form-row {
        grid-template-columns: minmax(0, 1fr);
    }

    .footer-container {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 80px 0;
    }

    .listen-card,
    .calculator-card,
    .calculator-copy,
    .pillar-card,
    .archive-card,
    .cta-container {
        padding: 28px;
    }

    .listen-player {
        padding: 20px;
        gap: 16px;
    }

    .listen-play-button {
        width: 60px;
        height: 60px;
    }

    .listen-track-title {
        font-size: 1rem;
    }

    .bubbles-main-content {
        padding: 60px 32px;
    }

    .archive-grid {
        grid-template-columns: minmax(0, 1fr);
    }

}