/* RESET & CSS VARIABLES */
:root {
    --bg-main: #0D1726;
    --bg-card: #121E30;
    --text-main: #F1F5F9;
    --text-muted: #94A3B8;
    --accent: #36D3B4;
    --accent-hover: #2BB59A;
    --border: rgba(255, 255, 255, 0.08);
    
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-pill: 100px;
    
    --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 30px rgba(54, 211, 180, 0.08);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
    padding: 40px 20px 32px;
    min-height: 100vh;
}

@media (min-width: 768px) {
    .page-wrapper {
        padding: 56px 32px 40px;
    }
}

@media (min-width: 992px) {
    .page-wrapper {
        padding: 64px 24px 40px;
    }
}

/* MAIN CONTENT */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    width: 100%;
    max-width: 1080px;
    align-items: center;
    margin: auto 0;
}

@media (min-width: 992px) {
    .main-content {
        grid-template-columns: 1fr 1fr;
        gap: 64px;
    }
}

/* HERO LEFT COLUMN */
.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

@media (min-width: 992px) {
    .hero-content {
        align-items: flex-start;
        text-align: left;
    }
}

.logo {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    box-shadow: var(--shadow-glow);
    object-fit: cover;
    margin-bottom: 24px;
}

.badge {
    background-color: rgba(54, 211, 180, 0.1);
    color: var(--accent);
    padding: 6px 16px;
    border-radius: var(--radius-pill);
    font-size: 0.8125rem;
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 1px solid rgba(54, 211, 180, 0.2);
}

h1 {
    font-size: 2.25rem;
    font-weight: 500;
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

@media (min-width: 500px) {
    h1 {
        font-size: 2.75rem;
    }
}

@media (min-width: 992px) {
    h1 {
        font-size: 3.5rem;
    }
}

.subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    max-width: 500px;
}

/* FEATURE HIGHLIGHTS */
.feature-highlights {
    display: flex;
    flex-direction: column;
    align-items: flex-start; /* Keep items flush left sequentially */
    gap: 16px;
    width: fit-content; /* Ensure block boundary hugs the list natively */
    max-width: 480px;
    margin: 0 auto 40px; /* Center the entire bounding box perfectly */
}

@media (min-width: 992px) {
    .feature-highlights {
        align-items: flex-start;
        margin: 0 0 40px 0;
    }
}

.feature-item {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Secure left-align flush for bullets */
    text-align: left;
    gap: 12px;
}

@media (min-width: 992px) {
    .feature-item {
        justify-content: flex-start;
        text-align: left;
    }
}

.dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent);
    flex-shrink: 0;
}

.feature-item span {
    font-size: 1rem;
    color: var(--text-main);
}

/* WAITLIST FORM */
.waitlist-card {
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    width: 100%;
    max-width: none;
    margin: 0;
    box-shadow: var(--shadow-soft);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 992px) {
    .waitlist-card {
        text-align: left;
    }
}

.waitlist-heading {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 20px;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
}

@media (min-width: 500px) {
    .waitlist-form {
        flex-direction: row;
    }
}

.email-input {
    flex-grow: 1;
    background-color: var(--bg-main);
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 16px 20px;
    border-radius: var(--radius-pill);
    font-family: var(--font-family);
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.email-input:focus {
    border-color: var(--accent);
}

.email-input::placeholder {
    color: #64748B;
}

.btn {
    padding: 16px 32px;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    font-weight: 500;
    font-family: var(--font-family);
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--accent);
    color: #000000;
    box-shadow: 0 4px 12px rgba(54, 211, 180, 0.2);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(54, 211, 180, 0.3);
}

.waitlist-footer-text {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 16px;
    align-items: center;
    margin-top: 4px;
}

@media (min-width: 992px) {
    .waitlist-footer-text {
        justify-content: flex-start;
    }
}

.privacy-text {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.privacy-text a,
.modal-privacy a,
.footer a,
.legal-card a {
    color: var(--accent);
}

.trust-cue {
    font-size: 0.8125rem;
    color: var(--accent);
    font-weight: 500;
}

.trust-block {
    margin-top: 8px;
}

.emotional-line {
    font-size: 1.05rem;
    color: var(--text-main);
    font-weight: 400;
    margin-bottom: 8px;
    line-height: 1.4;
}

.trust-copy {
    font-size: 0.9375rem;
    color: var(--text-muted);
    font-style: italic;
    opacity: 0.8;
}

/* RIGHT COLUMN VISUALS */
.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    width: 100%;
}

.cta-group {
    display: flex;
    gap: 32px;
    width: 100%;
    max-width: 1080px;
    margin: 48px auto 0;
    align-items: stretch;
}

.audio-preview-card {
    background-color: var(--bg-card);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    margin: 0;
    width: 100%;
    max-width: none;
    box-shadow: 0 16px 32px rgba(0,0,0,0.4);
    display: flex;
    flex-direction: row; 
    align-items: center;
    gap: 20px;
    transition: box-shadow 0.3s, border-color 0.3s;
}

.audio-preview-card.playing {
    box-shadow: 0 16px 40px rgba(54, 211, 180, 0.15); /* subtle glow when active */
    border-color: rgba(54, 211, 180, 0.3);
}

.play-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--accent);
    color: #000;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
}

.audio-preview-card.playing .play-btn {
    box-shadow: 0 0 12px var(--accent);
}

.play-btn:hover {
    transform: scale(1.05);
    background-color: var(--accent-hover);
}

.audio-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    overflow: hidden;
}

.audio-text {
    margin-bottom: 12px;
}

.audio-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 1px;
    display: block;
    margin-bottom: 4px;
}

.audio-text h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 2px;
    color: var(--text-main);
}

.audio-text p {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.audio-track {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
}

/* Mobile Stacking for CTA Group */
@media (max-width: 850px) {
    .cta-group {
        flex-direction: column;
        gap: 16px;
        margin-top: 32px;
        align-items: center;
    }
    .cta-group .waitlist-card,
    .cta-group .audio-preview-card {
        width: 100%;
        max-width: 480px;
    }
}

/* Audio Mobile Refinements */
@media (max-width: 600px) {
    .audio-preview-card {
        flex-direction: row;
        padding: 16px;
        gap: 16px;
    }
    .audio-details {
        align-items: flex-start;
        text-align: left;
        width: 100%;
    }
    .play-btn {
        width: 44px;
        height: 44px;
    }
    .audio-text h4 {
        font-size: 0.9375rem;
    }
    .audio-text p {
        font-size: 0.75rem;
    }
}

.audio-visualizer {
    display: flex;
    align-items: center;
    justify-content: space-between; /* Stretches nodes natively utilizing available flex bounds */
    height: 16px;
    flex-grow: 1;
    gap: 2px;
}

.bar {
    width: 3px;
    flex-shrink: 0;
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    transition: height 0.1s ease, background-color 0.2s;
    height: 4px; 
}

.bar:nth-child(2n) { height: 7px; }
.bar:nth-child(3n) { height: 11px; }
.bar:nth-child(4n) { height: 6px; }
.bar:nth-child(5n) { height: 13px; }
.bar:nth-child(7n) { height: 15px; }
.bar:nth-child(11n) { height: 10px; }

.audio-preview-card.playing .bar {
    background-color: var(--accent);
    /* JS Web Audio API overrides heights seamlessly */
}

.audio-time {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    min-width: 32px;
}

.audio-progress-bar {
    width: 100%;
    height: 3px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.audio-progress-fill {
    height: 100%;
    width: 0%;
    background-color: var(--accent);
    border-radius: 2px;
    transition: width 0.1s linear;
}

.mockup-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    position: relative;
    max-width: 100%;
}

/* EXIT INTENT MODAL */
.exit-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(13, 23, 38, 0.85); /* Deep navy blur filter overlay */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.exit-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.exit-modal-card {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.08); /* slight glassmorphism */
    max-width: 400px;
    width: 90%;
    box-shadow: 0 32px 64px rgba(0,0,0,0.6), 0 0 40px rgba(54, 211, 180, 0.08);
    text-align: center;
    transform: translateY(24px) scale(0.96);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.exit-modal-overlay.show .exit-modal-card {
    transform: translateY(0) scale(1);
}

.exit-modal-card h3 {
    font-size: 1.5rem;
    color: var(--text-main);
    margin-bottom: 12px;
}

.exit-modal-card p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.4;
}

.exit-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.exit-form-wrapper input {
    width: 100%;
    padding: 16px 24px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--border);
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    font-size: 1rem;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.exit-form-wrapper input:focus {
    outline: none;
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.06);
}

.exit-form-wrapper button[type="submit"] {
    width: 100%;
    justify-content: center;
}

.btn-not-now {
    margin-top: 24px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.9375rem;
    cursor: pointer;
    transition: color 0.2s, background-color 0.2s;
    padding: 8px 24px;
    border-radius: var(--radius-pill);
}

.btn-not-now:hover {
    color: var(--text-main);
    background-color: rgba(255,255,255,0.05);
}

.app-mockup {
    height: 520px;
    width: auto;
    object-fit: contain;
    z-index: 2;
    display: block;
}

@media (min-width: 992px) {
    .app-mockup {
        height: 580px;
    }
}

@media (max-width: 600px) {
    .app-mockup {
        height: 380px;
    }
    .mockup-container {
        gap: 12px;
    }
}

@media (max-width: 380px) {
    .app-mockup {
        height: 320px;
    }
}

/* FOOTER */
.footer {
    margin-top: auto;
    padding-top: 32px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
    max-width: 820px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
    margin-bottom: 8px;
}

.footer-links a {
    text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    text-decoration: underline;
}

.modal-privacy {
    margin: 16px auto 0 !important;
    font-size: 0.75rem !important;
    line-height: 1.45 !important;
}

/* PRIVACY AND CONTACT PAGES */
.legal-page {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px 64px;
}

.back-link {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    margin-bottom: 24px;
}

.back-link:hover,
.back-link:focus-visible {
    text-decoration: underline;
}

.legal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    padding: clamp(24px, 5vw, 56px);
}

.legal-logo {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 24px;
}

.legal-card h1 {
    margin-bottom: 8px;
}

.legal-card h2 {
    font-size: 1.25rem;
    font-weight: 500;
    margin: 32px 0 10px;
}

.legal-card p {
    color: var(--text-muted);
    margin-bottom: 14px;
}

.legal-updated,
.contact-note {
    font-size: 0.9rem;
}

.contact-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-card {
    text-align: center;
}

.contact-email {
    display: inline-block;
    font-size: clamp(1.25rem, 4vw, 1.75rem);
    font-weight: 500;
    margin: 22px 0;
}