:root {
    --spotify-green: #1DB954;
    --youtube-red: #FF0000;
    --apple-purple: #8E44AD;
    --dark-bg: #0a0a0f;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', system-ui, sans-serif;
    line-height: 1.65;
    color: var(--text-primary);
    background: #f8fafc;
}

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.site-header {
    background: rgba(10, 10, 15, 0.88);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.85rem 0;
}

.site-header .header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
}

.site-logo img {
    width: 34px;
    height: 34px;
    border-radius: 10px;
}

.site-nav {
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    align-items: center;
}

@media (min-width: 1025px) {
    .site-nav {
        display: flex;
    }
}

.site-nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.site-nav a:hover,
.site-nav a.active { color: #fff; }

.site-nav .nav-cta {
    background: var(--spotify-green);
    color: #041407 !important;
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    font-weight: 700;
}

/* Page hero */
.page-hero {
    background:
        radial-gradient(ellipse 80% 60% at 70% 0%, rgba(29, 185, 84, 0.18), transparent 55%),
        radial-gradient(ellipse 60% 50% at 10% 100%, rgba(142, 68, 173, 0.12), transparent 50%),
        var(--dark-bg);
    color: #fff;
    padding: 3.5rem 0 3rem;
}

.page-hero h1 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1rem;
}

.page-hero .lead {
    font-size: 1.1rem;
    opacity: 0.88;
    max-width: 42rem;
    line-height: 1.7;
}

.page-hero .breadcrumb {
    font-size: 0.85rem;
    opacity: 0.65;
    margin-bottom: 1.25rem;
}

.page-hero .breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.page-hero .breadcrumb a:hover { text-decoration: underline; }

/* Content */
.content-page {
    padding: 3rem 0 4rem;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

.content-main {
    background: #fff;
    border-radius: 18px;
    border: 1px solid #e2e8f0;
    padding: 2rem 2.25rem;
    box-shadow: 0 8px 30px rgba(15, 23, 42, 0.05);
}

.content-main h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
    letter-spacing: -0.02em;
    color: #0f172a;
}

.content-main h2:first-child { margin-top: 0; }

.content-main h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 1.5rem 0 0.5rem;
    color: #1e293b;
}

.content-main p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.75;
}

.content-main ul,
.content-main ol {
    margin: 0 0 1.25rem 1.25rem;
    color: var(--text-secondary);
}

.content-main li {
    margin-bottom: 0.5rem;
    line-height: 1.65;
}

.content-main a {
    color: #15803d;
    font-weight: 600;
}

.content-main a:hover { color: var(--spotify-green); }

.content-sidebar {
    position: sticky;
    top: 5rem;
}

.sidebar-card {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.04);
}

.sidebar-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #0f172a;
}

.sidebar-card ul {
    list-style: none;
    padding: 0;
}

.sidebar-card li { margin-bottom: 0.45rem; }

.sidebar-card a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
}

.sidebar-card a:hover { color: var(--spotify-green); }

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #1DB954, #1ed760);
    color: #041407;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(29, 185, 84, 0.3);
    transition: transform 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    color: #041407;
}

.btn-secondary {
    display: inline-block;
    padding: 0.85rem 1.5rem;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid #e2e8f0;
    color: #1e293b;
    background: #fff;
    margin-left: 0.5rem;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

/* FAQ */
.faq-category {
    margin-top: 2rem;
}

.faq-category h2 {
    font-size: 1.35rem;
    border-bottom: 2px solid var(--spotify-green);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}

.faq-item {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    margin-bottom: 0.65rem;
    overflow: hidden;
}

.faq-question {
    padding: 1rem 1.25rem;
    font-weight: 600;
    cursor: pointer;
    background: #f8fafc;
    color: #0f172a;
    list-style: none;
}

.faq-question:hover { background: #f1f5f9; }

.faq-answer {
    padding: 0 1.25rem 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-item.open .faq-answer { display: block; padding-top: 0.25rem; }

/* Tips cards */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.tip-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 1.5rem;
}

.tip-card h3 {
    font-size: 1.05rem;
    margin: 0 0 0.5rem;
    color: #0f172a;
}

.tip-card p {
    font-size: 0.95rem;
    margin: 0;
}

.tip-num {
    display: inline-block;
    background: var(--spotify-green);
    color: #041407;
    font-size: 0.75rem;
    font-weight: 800;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    margin-bottom: 0.65rem;
}

.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 2rem;
}

.keyword-tag {
    font-size: 0.78rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: #f1f5f9;
    color: #64748b;
    border: 1px solid #e2e8f0;
}

/* Footer */
.site-footer {
    background: var(--dark-bg);
    color: #fff;
    padding: 2.5rem 0 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-brand {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.footer-brand img {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.footer-brand h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }

.footer-brand p {
    opacity: 0.75;
    font-size: 0.92rem;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover { color: #fff; }

.footer-copy {
    text-align: center;
    opacity: 0.5;
    font-size: 0.85rem;
}

@media (max-width: 900px) {
    .content-grid { grid-template-columns: 1fr; }
    .content-sidebar { position: static; }
    .footer-content { flex-direction: column; }
}

@media (max-width: 640px) {
    .site-nav { gap: 0.4rem 0.65rem; font-size: 0.82rem; }
    .content-main { padding: 1.5rem; }
    .btn-secondary { margin-left: 0; }
}