/* ============================================
   STL Aura — Sound Good Sleep Landing Page CSS
   Full Redesign with Image Assets
   ============================================ */

/* --- CSS Variables --- */
:root {
    --navy-deep: #0a0e1a;
    --navy: #0d1326;
    --navy-light: #141b33;
    --navy-surface: #1a2240;
    --gold: #c9a84c;
    --gold-light: #e8d48b;
    --gold-dark: #8a6d2b;
    --gold-glow: rgba(201, 168, 76, 0.3);
    --purple: #7c6dcd;
    --purple-light: #a594e8;
    --white: #ffffff;
    --white-90: rgba(255,255,255,0.9);
    --white-70: rgba(255,255,255,0.7);
    --white-50: rgba(255,255,255,0.5);
    --white-30: rgba(255,255,255,0.3);
    --white-15: rgba(255,255,255,0.15);
    --white-08: rgba(255,255,255,0.08);
    --font: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--navy-deep);
    color: var(--white-90);
    line-height: 1.7;
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

/* --- Utility --- */
.gradient-text {
    background: linear-gradient(135deg, var(--gold-light), var(--gold), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-accent { color: #6eb5ff; }
.text-accent-gold { color: var(--gold-light); }

.section-label {
    display: inline-block;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 16px;
    font-weight: 500;
}

.section-label-light { color: var(--white-50); }

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-title {
    font-size: clamp(26px, 5vw, 42px);
    font-weight: 700;
    line-height: 1.4;
    color: var(--white);
    margin-bottom: 16px;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.section-title-light { color: var(--white); }

.section-desc {
    font-size: 15px;
    color: var(--white-50);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.8;
}

.section {
    position: relative;
    overflow: hidden;
}

/* --- Scroll Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.6s ease, transform 1.6s ease;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.nav.scrolled {
    background: rgba(10, 14, 26, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--white-08);
    padding: 10px 0;
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.nav-brand {
    font-size: 16px;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.5px;
}

.nav-cta {
    font-size: 13px;
    font-weight: 600;
    color: var(--navy-deep);
    background: var(--gold);
    padding: 8px 20px;
    border-radius: 20px;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--gold-light);
    transform: translateY(-1px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 70%;
}

.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 14, 26, 0.95) 0%,
        rgba(10, 14, 26, 0.65) 30%,
        rgba(10, 14, 26, 0.40) 55%,
        rgba(10, 14, 26, 0.55) 75%,
        rgba(10, 14, 26, 0.97) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 700px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 24px;
    font-weight: 500;
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--gold);
    border-radius: 50%;
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-size: clamp(42px, 10vw, 80px);
    font-weight: 900;
    line-height: 1.2;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    word-break: keep-all;
}

.hero-subtitle {
    font-size: clamp(14px, 2.5vw, 17px);
    color: var(--white-70);
    line-height: 1.9;
    margin-bottom: 40px;
    word-break: keep-all;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hero-price {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.price-tag {
    font-size: 28px;
    font-weight: 700;
    color: var(--gold-light);
}

.price-note {
    font-size: 13px;
    color: var(--white-50);
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 1; height: 48px; }
    50% { opacity: 0.3; height: 32px; }
}

/* --- CTA Buttons --- */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    color: var(--navy-deep);
    padding: 14px 32px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.cta-button-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--white);
    box-shadow: 0 4px 24px var(--gold-glow);
}

.cta-button-gold:hover {
    box-shadow: 0 8px 32px var(--gold-glow);
}

.cta-button-large {
    padding: 18px 40px;
    font-size: 16px;
}

.cta-text-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.cta-small {
    font-size: 10px;
    font-weight: 400;
    opacity: 0.7;
    line-height: 1.2;
}

.cta-large {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.3;
}

.apple-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.apple-icon-small {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* ============================================
   PROBLEM SECTION
   ============================================ */
.problem-section {
    padding: 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

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

.problem-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 65%;
}

.problem-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 14, 26, 0.97) 0%,
        rgba(10, 14, 26, 0.72) 25%,
        rgba(10, 14, 26, 0.55) 55%,
        rgba(10, 14, 26, 0.85) 100%
    );
}

.problem-container {
    position: relative;
    z-index: 2;
    padding: 100px 24px;
}

.problem-content {
    max-width: 600px;
}

.problem-headline {
    font-size: clamp(26px, 5.5vw, 44px);
    font-weight: 900;
    line-height: 1.45;
    color: var(--white);
    margin-bottom: 28px;
    word-break: keep-all;
}

.problem-sub {
    font-size: 15px;
    line-height: 2;
    color: var(--white-70);
    word-break: keep-all;
}

.problem-sub strong {
    color: var(--white);
    font-weight: 600;
}

/* --- Mini CTA Band --- */
.mini-cta-band {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold), var(--gold-dark));
    padding: 16px 24px;
    text-align: center;
}

.mini-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--navy-deep);
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
}

.mini-cta-link:hover { gap: 14px; }

.mini-cta-arrow {
    width: 20px;
    height: 20px;
}

/* ============================================
   SOLUTION SECTION
   ============================================ */
.solution-section {
    padding: 100px 0;
    background: var(--navy-deep);
}

.solution-card {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: 48px;
    background: var(--white-08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--white-08);
    transition: var(--transition);
}

.solution-card:hover {
    border-color: var(--white-15);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}

.solution-card:last-child { margin-bottom: 0; }

.solution-visual {
    flex: 0 0 45%;
    max-width: 45%;
    overflow: hidden;
    position: relative;
}

.solution-visual img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center center;
    transition: transform 0.6s ease;
}

.solution-card:hover .solution-visual img {
    transform: scale(1.05);
}

.solution-content {
    flex: 1;
    padding: 40px 40px 40px 40px;
}

.solution-card-reverse {
    flex-direction: row-reverse;
}

.solution-card-reverse .solution-content {
    padding: 40px 40px 40px 40px;
}

.solution-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--white-08);
    line-height: 1;
    margin-bottom: 12px;
}

.solution-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.4;
    word-break: keep-all;
}

.solution-desc {
    font-size: 15px;
    color: var(--white-70);
    line-height: 1.9;
    word-break: keep-all;
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);
}

.feature-block {
    display: flex;
    align-items: center;
    gap: 64px;
    margin-bottom: 80px;
}

.feature-block:last-child { margin-bottom: 0; }

.feature-block-reverse { flex-direction: row-reverse; }

.feature-content {
    flex: 1;
}

.feature-number {
    font-size: 56px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--gold-light), var(--gold-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 16px;
}

.feature-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    line-height: 1.4;
    word-break: keep-all;
}

.feature-desc {
    font-size: 15px;
    color: var(--white-70);
    line-height: 1.9;
    margin-bottom: 20px;
    word-break: keep-all;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 20px;
    background: var(--white-08);
    color: var(--white-50);
    border: 1px solid var(--white-08);
    white-space: nowrap;
}

.feature-visual {
    flex: 0 0 280px;
}

/* Phone Mockup - Hero (Features Section Header) */
.features-hero-phone {
    display: flex;
    justify-content: center;
    margin: 48px 0 64px;
}

.phone-mockup-hero {
    width: 300px;
    margin: 0 auto;
}

/* Phone Mockup */
.phone-mockup-feature {
    width: 260px;
    margin: 0 auto;
}

.phone-frame {
    position: relative;
    background: #000;
    border-radius: 36px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), inset 0 0 0 2px rgba(255,255,255,0.1);
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 28px;
    background: #000;
    border-radius: 0 0 16px 16px;
    z-index: 10;
}

.phone-screen {
    width: 100%;
    border-radius: 24px;
    display: block;
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience-section {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
}

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

.stars {
    position: absolute;
    inset: 0;
}

.star {
    position: absolute;
    border-radius: 50%;
    background: #fff;
    animation: twinkle var(--duration, 3s) ease-in-out var(--delay, 0s) infinite alternate;
}

@keyframes twinkle {
    from { opacity: var(--min-opacity, 0.1); }
    to { opacity: var(--max-opacity, 0.8); }
}

.track-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 700px;
    margin: 0 auto;
}

.track-card {
    background: var(--white-08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--white-08);
    cursor: pointer;
    transition: var(--transition);
}

.track-card:hover {
    border-color: var(--gold-glow);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.track-card.playing {
    border-color: var(--gold);
    box-shadow: 0 0 30px var(--gold-glow);
}

.track-artwork {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
}

.track-artwork img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.track-card:hover .track-artwork img {
    transform: scale(1.05);
}

.track-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.25);
    opacity: 1;
    transition: var(--transition);
}

.track-card:hover .track-play-overlay {
    background: rgba(0,0,0,0.4);
}

.play-ring {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0,0,0,0.5);
    border: 2px solid var(--white-50);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.track-card:hover .play-ring {
    border-color: var(--gold);
    transform: scale(1.1);
}

.track-card.playing .play-ring {
    border-color: var(--gold);
    background: rgba(201, 168, 76, 0.3);
}

.play-icon, .pause-icon {
    width: 22px;
    height: 22px;
    color: var(--white);
}

.track-card.playing .play-icon { display: none !important; }
.track-card.playing .pause-icon { display: block !important; }

.track-info {
    padding: 16px;
}

.track-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.track-desc {
    font-size: 12px;
    color: var(--white-50);
    line-height: 1.5;
}

.track-progress {
    padding: 0 16px 8px;
    display: none;
}

.track-card.playing .track-progress { display: block; }

.progress-bar {
    height: 3px;
    background: var(--white-08);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 6px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    border-radius: 2px;
    width: 0%;
    transition: width 0.1s linear;
}

.progress-time {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--white-30);
}

.track-visualizer {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 2px;
    height: 40px;
    padding: 0 16px 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.track-card.playing .track-visualizer { opacity: 1; }

.viz-bar {
    width: 4px;
    height: 4px;
    background: var(--gold);
    border-radius: 2px;
    opacity: 0.3;
    transition: height 0.05s ease, opacity 0.05s ease;
}

/* ============================================
   USAGE SECTION
   ============================================ */
.usage-section {
    padding: 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

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

.usage-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.usage-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 14, 26, 0.97) 0%,
        rgba(10, 14, 26, 0.75) 25%,
        rgba(10, 14, 26, 0.65) 55%,
        rgba(10, 14, 26, 0.92) 100%
    );
}

.usage-container {
    padding: 100px 24px;
    position: relative;
    z-index: 2;
}

.usage-content {
    max-width: 520px;
}

.usage-headline {
    font-size: clamp(26px, 5.5vw, 42px);
    font-weight: 900;
    line-height: 1.4;
    color: var(--white);
    margin-bottom: 40px;
    word-break: keep-all;
}

.usage-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.usage-step {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255,255,255,0.08);
    padding: 16px 20px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.step-number {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--navy-deep);
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.usage-step p {
    font-size: 16px;
    font-weight: 500;
    color: var(--white-90);
    word-break: keep-all;
}

/* ============================================
   OFFER SECTION
   ============================================ */
.offer-section {
    padding: 100px 0;
    background: var(--navy-deep);
}

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

.offer-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.12;
}

.offer-bg-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, var(--navy-deep) 70%);
}

.offer-container {
    text-align: center;
}

.offer-content {
    max-width: 700px;
    margin: 0 auto;
}

.offer-price-headline {
    margin-bottom: 24px;
}

.offer-price-big {
    font-size: clamp(56px, 12vw, 96px);
    font-weight: 900;
    display: block;
    line-height: 1.1;
}

.offer-price-label {
    font-size: clamp(24px, 5vw, 36px);
    font-weight: 700;
    color: var(--white);
    display: block;
    margin-top: 4px;
}

.offer-desc {
    font-size: 15px;
    color: var(--white-70);
    line-height: 1.9;
    margin-bottom: 48px;
    word-break: keep-all;
}

.offer-desc strong {
    color: var(--gold-light);
    font-weight: 600;
}

/* Comparison */
.offer-comparison {
    display: flex;
    align-items: stretch;
    gap: 0;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.offer-us, .offer-them {
    flex: 1;
    padding: 32px 24px;
    text-align: center;
}

.offer-us {
    background: linear-gradient(135deg, rgba(201,168,76,0.15), rgba(201,168,76,0.05));
    border: 1px solid var(--gold-glow);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.offer-them {
    background: var(--white-08);
    border: 1px solid var(--white-08);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.offer-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--white-30);
    padding: 0 8px;
    background: var(--navy-deep);
    z-index: 1;
}

.offer-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 20px;
    background: var(--gold);
    color: var(--navy-deep);
    margin-bottom: 12px;
}

.offer-badge-dim {
    background: var(--white-15);
    color: var(--white-50);
}

.offer-amount {
    font-size: 28px;
    font-weight: 900;
    color: var(--gold-light);
    margin-bottom: 16px;
}

.offer-amount span {
    font-size: 14px;
    font-weight: 400;
    color: var(--white-50);
}

.offer-amount-dim {
    color: var(--white-50);
}

.offer-us ul, .offer-them ul {
    list-style: none;
    text-align: left;
}

.offer-us li, .offer-them li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--white-70);
    margin-bottom: 8px;
}

.offer-us li svg {
    width: 16px;
    height: 16px;
    color: var(--gold);
    flex-shrink: 0;
}

.offer-them li svg {
    width: 16px;
    height: 16px;
    color: #ff6b6b;
    flex-shrink: 0;
}

/* ============================================
   REVIEWS SECTION
   ============================================ */
.reviews-section {
    padding: 100px 0;
    background: var(--navy);
}

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

.review-card {
    background: var(--white-08);
    border: 1px solid var(--white-08);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: var(--transition);
}

.review-card:hover {
    border-color: var(--white-15);
    transform: translateY(-4px);
}

.review-stars {
    color: var(--gold);
    font-size: 16px;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.review-text {
    font-size: 14px;
    color: var(--white-70);
    line-height: 1.9;
    margin-bottom: 20px;
}

.review-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.review-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: var(--navy-deep);
    font-size: 13px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.review-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
}

.review-meta {
    font-size: 12px;
    color: var(--white-30);
}

/* ============================================
   FINAL CTA SECTION
   ============================================ */
.final-cta-section {
    padding: 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.final-cta-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 50%;
}

.final-cta-bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 14, 26, 0.97) 0%,
        rgba(10, 14, 26, 0.65) 25%,
        rgba(10, 14, 26, 0.55) 55%,
        rgba(10, 14, 26, 0.95) 100%
    );
}

.final-cta-content {
    text-align: center;
    padding: 120px 24px;
    position: relative;
    z-index: 2;
}

.final-cta-philosophy {
    font-size: clamp(15px, 3vw, 22px);
    color: var(--white-90);
    line-height: 1.9;
    margin-bottom: 24px;
    font-weight: 400;
    word-break: keep-all;
}

.final-cta-title {
    font-size: clamp(24px, 5.5vw, 44px);
    font-weight: 900;
    line-height: 1.4;
    color: var(--white);
    margin-bottom: 48px;
    word-break: keep-all;
}

.final-cta-meta {
    margin-top: 24px;
    font-size: 13px;
    color: var(--white-30);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex-wrap: wrap;
}

.meta-dot { color: var(--white-15); }

/* ============================================
   FLOATING CTA
   ============================================ */
.floating-cta {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    z-index: 999;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.floating-cta.visible {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.cta-button-small {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--gold);
    color: var(--navy-deep);
    padding: 12px 24px;
    border-radius: 28px;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 8px 32px rgba(201, 168, 76, 0.4);
    transition: var(--transition);
    white-space: nowrap;
}

.cta-button-small:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(201, 168, 76, 0.5);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--navy-deep);
    border-top: 1px solid var(--white-08);
    padding: 40px 0;
}

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

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

.footer-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.footer-app-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--white);
}

.footer-company {
    font-size: 11px;
    color: var(--white-30);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    font-size: 12px;
    color: var(--white-30);
    transition: var(--transition);
}

.footer-links a:hover { color: var(--white-70); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .solution-card {
        flex-direction: column;
        gap: 0;
    }

    .solution-card-reverse {
        flex-direction: column;
    }

    .solution-visual {
        flex: none;
        max-width: 100%;
    }

    .solution-visual img {
        height: 280px;
    }

    .solution-content {
        padding: 28px 24px !important;
    }

    .feature-block,
    .feature-block-reverse {
        flex-direction: column;
        gap: 32px;
    }

    .feature-visual {
        flex: none;
    }

    .reviews-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .offer-comparison {
        flex-direction: column;
        gap: 0;
    }

    .offer-us {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }

    .offer-them {
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }

    .offer-vs {
        padding: 8px 0;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 600px) {
    /* --- Hero Mobile --- */
    .hero-bg-overlay {
        background: linear-gradient(
            to bottom,
            rgba(10, 14, 26, 0.97) 0%,
            rgba(10, 14, 26, 0.75) 25%,
            rgba(10, 14, 26, 0.50) 50%,
            rgba(10, 14, 26, 0.65) 75%,
            rgba(10, 14, 26, 0.98) 100%
        );
    }

    .hero-bg-img {
        object-position: center 75%;
    }

    .hero-title {
        font-size: 36px;
        line-height: 1.25;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 14px;
        line-height: 1.9;
        margin-bottom: 32px;
    }

    .hero-content {
        padding: 100px 20px 60px;
    }

    .hero-badge {
        font-size: 10px;
        letter-spacing: 2px;
        margin-bottom: 20px;
    }

    .price-tag {
        font-size: 24px;
    }

    .price-note {
        font-size: 12px;
    }

    /* --- Problem Mobile --- */
    .problem-bg-overlay {
        background: linear-gradient(
            to bottom,
            rgba(10, 14, 26, 0.98) 0%,
            rgba(10, 14, 26, 0.80) 20%,
            rgba(10, 14, 26, 0.65) 50%,
            rgba(10, 14, 26, 0.90) 100%
        );
    }

    .problem-bg-img {
        object-position: center 70%;
    }

    .problem-headline {
        font-size: 24px;
        line-height: 1.5;
        margin-bottom: 20px;
    }

    .problem-container {
        padding: 64px 20px;
    }

    .problem-sub {
        font-size: 13px;
        line-height: 2;
    }

    .problem-section {
        min-height: 60vh;
    }

    /* --- Section Headers Mobile --- */
    .section-title {
        font-size: 22px;
        line-height: 1.45;
    }

    .section-header {
        margin-bottom: 36px;
    }

    .section-desc {
        font-size: 13px;
    }

    .section-label {
        font-size: 10px;
        letter-spacing: 2px;
        margin-bottom: 12px;
    }

    /* --- Solution Mobile --- */
    .solution-section {
        padding: 56px 0;
    }

    .solution-visual img {
        height: 220px;
        width: 100%;
        object-position: center 40%;
    }

    .solution-visual {
        width: 100%;
    }

    .solution-content {
        padding: 20px 20px !important;
    }

    .solution-number {
        font-size: 32px;
        margin-bottom: 8px;
    }

    .solution-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .solution-desc {
        font-size: 13px;
        line-height: 1.8;
    }

    .solution-card {
        margin-bottom: 20px;
    }

    /* --- Features Mobile --- */
    .features-section {
        padding: 56px 0;
    }

    .feature-number {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .feature-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .feature-desc {
        font-size: 13px;
        line-height: 1.8;
    }

    .feature-block {
        gap: 24px;
        margin-bottom: 48px;
    }

    .feature-tags {
        gap: 6px;
    }

    .tag {
        font-size: 11px;
        padding: 5px 12px;
    }

    /* --- Experience / Track Cards Mobile --- */
    .experience-section {
        padding: 56px 0;
    }

    .track-cards {
        grid-template-columns: 1fr;
        max-width: 320px;
        gap: 20px;
    }

    .track-name {
        font-size: 15px;
    }

    .track-desc {
        font-size: 11px;
    }

    .track-info {
        padding: 12px 16px;
    }

    .phone-mockup-feature {
        width: 200px;
    }

    .phone-mockup-hero {
        width: 240px;
    }

    /* --- Usage Mobile --- */
    .usage-bg-overlay {
        background: linear-gradient(
            to bottom,
            rgba(10, 14, 26, 0.98) 0%,
            rgba(10, 14, 26, 0.88) 15%,
            rgba(10, 14, 26, 0.78) 50%,
            rgba(10, 14, 26, 0.96) 100%
        );
    }

    .usage-section {
        min-height: 60vh;
    }

    .usage-headline {
        font-size: 24px;
        line-height: 1.45;
        margin-bottom: 28px;
    }

    .usage-container {
        padding: 64px 20px;
    }

    .usage-step {
        padding: 14px 16px;
        gap: 14px;
    }

    .usage-step p {
        font-size: 14px;
    }

    .step-number {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }

    .usage-steps {
        gap: 14px;
        margin-bottom: 32px;
    }

    /* --- Offer Mobile --- */
    .offer-section {
        padding: 56px 0;
    }

    .offer-price-big {
        font-size: 48px;
    }

    .offer-price-label {
        font-size: 20px;
    }

    .offer-desc {
        font-size: 13px;
        line-height: 1.9;
        margin-bottom: 32px;
    }

    .offer-us, .offer-them {
        padding: 20px 16px;
    }

    .offer-amount {
        font-size: 24px;
        margin-bottom: 12px;
    }

    .offer-amount span {
        font-size: 12px;
    }

    .offer-badge {
        font-size: 11px;
        padding: 3px 12px;
    }

    .offer-us li, .offer-them li {
        font-size: 12px;
        margin-bottom: 6px;
    }

    .offer-comparison {
        margin-bottom: 32px;
    }

    /* --- Reviews Mobile --- */
    .reviews-section {
        padding: 56px 0;
    }

    .review-card {
        padding: 20px 16px;
    }

    .review-text {
        font-size: 13px;
        line-height: 1.8;
        margin-bottom: 16px;
    }

    .review-stars {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .review-name {
        font-size: 13px;
    }

    .review-meta {
        font-size: 11px;
    }

    .review-avatar {
        width: 36px;
        height: 36px;
        font-size: 12px;
    }

    /* --- Final CTA Mobile --- */
    .final-cta-bg-overlay {
        background: linear-gradient(
            to bottom,
            rgba(10, 14, 26, 0.98) 0%,
            rgba(10, 14, 26, 0.80) 20%,
            rgba(10, 14, 26, 0.70) 55%,
            rgba(10, 14, 26, 0.97) 100%
        );
    }

    .final-cta-bg-img {
        object-position: center 55%;
    }

    .final-cta-section {
        min-height: 70vh;
    }

    .final-cta-content {
        padding: 64px 20px;
    }

    .final-cta-title {
        font-size: 22px;
        line-height: 1.5;
        margin-bottom: 36px;
    }

    .final-cta-philosophy {
        font-size: 14px;
        line-height: 1.9;
        margin-bottom: 20px;
    }

    .final-cta-meta {
        font-size: 11px;
        margin-top: 20px;
        gap: 2px;
    }

    /* --- CTA Buttons Mobile --- */
    .cta-button-large {
        padding: 14px 28px;
        font-size: 14px;
    }

    .cta-button {
        padding: 12px 24px;
        font-size: 14px;
    }

    .cta-large {
        font-size: 14px;
    }

    .cta-small {
        font-size: 9px;
    }

    /* --- Footer Mobile --- */
    .footer-links {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .footer {
        padding: 32px 0;
    }

    /* --- General Mobile --- */
    .container {
        padding: 0 16px;
    }

    .mini-cta-band {
        padding: 14px 16px;
    }

    .mini-cta-link {
        font-size: 14px;
    }

    /* --- Floating CTA Mobile --- */
    .floating-cta {
        bottom: 16px;
    }

    .cta-button-small {
        padding: 10px 20px;
        font-size: 13px;
    }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE (max-width: 375px)
   ============================================ */
@media (max-width: 375px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 13px;
    }

    .problem-headline {
        font-size: 22px;
    }

    .section-title {
        font-size: 20px;
    }

    .solution-title {
        font-size: 17px;
    }

    .feature-title {
        font-size: 17px;
    }

    .usage-headline {
        font-size: 22px;
    }

    .final-cta-title {
        font-size: 20px;
    }

    .offer-price-big {
        font-size: 42px;
    }

    .offer-price-label {
        font-size: 18px;
    }

    .track-cards {
        max-width: 280px;
    }

    .phone-mockup-feature {
        width: 180px;
    }

    .phone-mockup-hero {
        width: 220px;
    }

    .features-hero-phone {
        margin: 32px 0 48px;
    }
}

/* ============================================
   DEVELOPER MESSAGE SECTION
   ============================================ */
.developer-section {
    background: var(--navy-deep);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.developer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold-dark), transparent);
}

.developer-banner {
    margin-bottom: 60px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.developer-banner-img {
    width: 100%;
    height: auto;
    display: block;
}

.developer-content {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

.developer-message {
    margin-bottom: 48px;
}

.developer-line {
    color: var(--white-90);
    font-size: 17px;
    line-height: 2;
    letter-spacing: 0.04em;
    margin: 0;
    font-weight: 300;
}

.developer-signature {
    padding-top: 40px;
    border-top: 1px solid var(--white-15);
}

.developer-title {
    color: var(--gold);
    font-size: 14px;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
    font-weight: 400;
}

.developer-name {
    color: var(--white);
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 0.15em;
}

/* --- Developer Section Mobile --- */
@media (max-width: 600px) {
    .developer-section {
        padding: 60px 0 50px;
    }

    .developer-banner {
        margin-bottom: 40px;
        border-radius: var(--radius-md);
    }

    .developer-line {
        font-size: 15px;
        line-height: 1.9;
    }

    .developer-name {
        font-size: 20px;
    }

    .developer-title {
        font-size: 13px;
    }
}

/* Features Hero Image (no phone mockup) */
.features-hero-image {
    display: flex;
    justify-content: center;
    margin: 48px auto 64px;
    max-width: 340px;
}

.hero-screenshot {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.08);
}

@media (max-width: 600px) {
    .features-hero-image {
        max-width: 280px;
        margin: 32px auto 48px;
    }
}