/* ============================================================
   Glow Daily Guide — Main Stylesheet
   Light theme (default) with dark mode via [data-theme="dark"]
   ============================================================ */

/* ─── CSS Variables (Light Theme — Default) ──────────────── */
:root {
    /* Backgrounds */
    --bg-body: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-alt: #f1f5f9;
    --bg-card: #ffffff;
    --bg-code: #f1f5f9;

    /* Text */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --text-inverse: #ffffff;

    /* Accent — Green (health/wellness vibe) */
    --accent: #16a34a;
    --accent-hover: #15803d;
    --accent-soft: rgba(22, 163, 74, 0.08);
    --accent-glow: rgba(22, 163, 74, 0.25);

    /* Borders */
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.1);

    /* Header */
    --header-bg: rgba(255, 255, 255, 0.9);
    --header-border: rgba(226, 232, 240, 0.8);

    /* Footer */
    --footer-bg: #0f172a;
    --footer-text: #94a3b8;

    /* Buttons */
    --btn-primary-bg: var(--accent);
    --btn-primary-text: #ffffff;

    /* Misc */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Merriweather', Georgia, serif;
    --max-width: 1120px;
    --transition: 0.3s ease;
}

/* ─── Dark Theme ────────────────────────────────────────── */
[data-theme="dark"] {
    --bg-body: #0b0d15;
    --bg-surface: #131620;
    --bg-surface-alt: #1a1e2a;
    --bg-card: #1a1e2a;
    --bg-code: #1a1e2a;

    --text-primary: #e8e8e8;
    --text-secondary: #b0b8c4;
    --text-muted: #6b7280;
    --text-inverse: #0f172a;

    --accent: #22c55e;
    --accent-hover: #16a34a;
    --accent-soft: rgba(34, 197, 94, 0.1);
    --accent-glow: rgba(34, 197, 94, 0.3);

    --border: #2a2e3a;
    --border-light: #1e2230;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);

    --header-bg: rgba(11, 13, 21, 0.95);
    --header-border: rgba(42, 46, 58, 0.8);

    --footer-bg: #080a10;
    --footer-text: #6b7280;

    --btn-primary-bg: #22c55e;
    --btn-primary-text: #0f172a;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.7;
    transition: background var(--transition), color var(--transition);
    min-height: 100vh;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }
ul { list-style: none; }

/* ─── Container ─────────────────────────────────────────── */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--header-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--header-border);
    transition: background var(--transition), border var(--transition);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    gap: 24px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 22px;
    color: var(--text-primary) !important;
    flex-shrink: 0;
}
.logo-icon {
    font-size: 28px;
    color: var(--accent);
}
.logo-text {
    letter-spacing: -0.5px;
}

/* Navigation */
.main-nav .nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}
.main-nav .nav-list a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition);
    white-space: nowrap;
}
.main-nav .nav-list a:hover,
.main-nav .nav-list a.active {
    background: var(--accent-soft);
    color: var(--accent);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Theme Toggle */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: var(--bg-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: all var(--transition);
    position: relative;
}
.theme-toggle:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}
.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    transition: opacity var(--transition), transform var(--transition);
    position: absolute;
}
[data-theme="light"] .theme-toggle .icon-moon { opacity: 0.3; transform: scale(0.8); }
[data-theme="light"] .theme-toggle .icon-sun { opacity: 1; transform: scale(1); }
[data-theme="dark"] .theme-toggle .icon-sun { opacity: 0.3; transform: scale(0.8); }
[data-theme="dark"] .theme-toggle .icon-moon { opacity: 1; transform: scale(1); }

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* Mobile Overlay */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 200;
    backdrop-filter: blur(4px);
}
.mobile-menu-overlay.open { display: block; }
.mobile-menu {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: var(--bg-surface);
    padding: 24px;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
}
.mobile-menu .close-menu {
    background: none;
    border: none;
    font-size: 36px;
    color: var(--text-primary);
    cursor: pointer;
    float: right;
    line-height: 1;
}
.mobile-menu ul { margin-top: 48px; }
.mobile-menu ul li { margin-bottom: 8px; }
.mobile-menu ul li a {
    display: block;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 17px;
    font-weight: 500;
    color: var(--text-primary);
    transition: background var(--transition);
}
.mobile-menu ul li a:hover { background: var(--accent-soft); color: var(--accent); }

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.site-main {
    min-height: calc(100vh - 70px - 300px);
    padding: 48px 0;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    text-align: center;
    padding: 48px 0 40px;
}
.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -1px;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.hero .highlight {
    background: linear-gradient(135deg, var(--accent), #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: clamp(18px, 2.2vw, 22px);
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 28px;
    line-height: 1.6;
}
.hero .hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    font-size: 18px;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: var(--radius-md);
    transition: all var(--transition);
    box-shadow: 0 4px 20px var(--accent-glow);
}
.hero .hero-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
    color: var(--btn-primary-text);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
    text-align: center;
    margin-bottom: 36px;
}
.section-header h2 {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.section-header p {
    color: var(--text-muted);
    font-size: 17px;
}

.section-divider {
    width: 100%;
    height: 1px;
    background: var(--border);
    margin: 48px 0;
}

/* ============================================================
   PRODUCT GRID
   ============================================================ */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent);
}

.product-card .card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-surface-alt);
}
.product-card .card-body {
    padding: 20px 24px 24px;
}
.product-card .card-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.product-card .card-body p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}
.product-card .card-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.product-card .card-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    color: var(--btn-primary-text);
}
.product-card .card-cta .arrow { transition: transform var(--transition); }
.product-card .card-cta:hover .arrow { transform: translateX(4px); }

.product-card .coming-soon-badge {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 100px;
    margin-top: 8px;
}

/* ============================================================
   ARTICLE GRID
   ============================================================ */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 28px;
}

.article-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}
.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.article-card .card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: var(--bg-surface-alt);
}
.article-card .card-body {
    padding: 20px 24px 24px;
}
.article-card .card-body .card-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.article-card .card-body h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.35;
}
.article-card .card-body h3 a {
    color: var(--text-primary);
}
.article-card .card-body h3 a:hover {
    color: var(--accent);
}
.article-card .card-body p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}
.article-card .card-body .read-more {
    font-weight: 600;
    font-size: 14px;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.article-card .card-body .read-more:hover { gap: 8px; }

/* ============================================================
   ARTICLE PAGE (single)
   ============================================================ */
.article-single {
    max-width: 740px;
    margin: 0 auto;
}
.article-single .article-header {
    text-align: center;
    margin-bottom: 32px;
}
.article-single .article-header .category-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.article-single .article-header h1 {
    font-family: var(--font-serif);
    font-size: clamp(30px, 4vw, 44px);
    font-weight: 900;
    line-height: 1.25;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
    color: var(--text-primary);
}
.article-single .article-header .meta {
    color: var(--text-muted);
    font-size: 14px;
}
.article-single .article-header .meta span { margin: 0 8px; }
.article-single .featured-image {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    box-shadow: var(--shadow-md);
}
.article-single .article-content {
    font-family: var(--font-serif);
    font-size: clamp(17px, 2vw, 19px);
    line-height: 1.85;
    color: var(--text-secondary);
}
.article-single .article-content p {
    margin-bottom: 24px;
}
.article-single .article-content h2 {
    font-family: var(--font-sans);
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 800;
    color: var(--text-primary);
    margin: 40px 0 16px;
}
.article-single .article-content h3 {
    font-family: var(--font-sans);
    font-size: clamp(20px, 2.5vw, 24px);
    font-weight: 700;
    color: var(--text-primary);
    margin: 32px 0 12px;
}
.article-single .article-content strong {
    color: var(--text-primary);
    font-weight: 700;
}
.article-single .article-content a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-single .article-content a:hover {
    color: var(--accent-hover);
}
.article-single .article-content ul,
.article-single .article-content ol {
    margin: 0 0 24px 24px;
}
.article-single .article-content li {
    margin-bottom: 8px;
}

/* CTA Button (standalone or inside boxes) */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text) !important;
    font-family: var(--font-sans);
    font-size: 18px;
    font-weight: 700;
    padding: 16px 36px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    text-decoration: none !important;
    box-shadow: 0 4px 20px var(--accent-glow);
    border: none;
    cursor: pointer;
    line-height: 1.4;
    white-space: nowrap;
}
.cta-button:hover {
    background: var(--accent-hover) !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-glow);
    color: var(--btn-primary-text) !important;
    text-decoration: none !important;
}
.cta-button .arrow { transition: transform var(--transition); }
.cta-button:hover .arrow { transform: translateX(6px); }

/* CTA Box (inside articles) */
.cta-box {
    background: var(--accent-soft);
    border: 1px solid rgba(22, 163, 74, 0.2);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    margin: 32px 0;
    text-align: center;
}
.cta-box h3 {
    font-family: var(--font-sans) !important;
    color: var(--accent) !important;
    font-size: 22px !important;
    margin: 0 0 8px !important;
}
.cta-box p {
    font-size: 16px !important;
    color: var(--text-secondary) !important;
    margin-bottom: 16px !important;
}

/* Affiliate notice */
.affiliate-notice {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-surface-alt);
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    border-left: 3px solid var(--accent);
}

/* Disclosure block */
.disclosure-block {
    font-size: 13px;
    color: var(--text-muted);
    background: var(--bg-surface-alt);
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-top: 40px;
    border-left: 3px solid var(--border);
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: sticky;
    top: 90px;
}
.sidebar h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}
.sidebar .product-mini {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    align-items: center;
}
.sidebar .product-mini:last-child { border-bottom: none; }
.sidebar .product-mini img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    background: var(--bg-surface-alt);
    flex-shrink: 0;
}
.sidebar .product-mini .mini-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}
.sidebar .product-mini .mini-info a {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 60px 0 32px;
    margin-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 40px;
}
.footer-col h4 {
    color: #e8e8e8;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col p {
    font-size: 14px;
    line-height: 1.7;
}
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a {
    color: var(--footer-text);
    font-size: 14px;
    transition: color var(--transition);
}
.footer-col ul li a:hover { color: #e8e8e8; }

.footer-disclosure {
    font-size: 12px !important;
    color: #6b7280 !important;
    margin-top: 12px;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 24px;
    text-align: center;
}
.footer-bottom p {
    font-size: 13px;
    margin-bottom: 8px;
}
.footer-disclaimer {
    font-size: 11px !important;
    color: #4b5563 !important;
    max-width: 700px;
    margin: 0 auto !important;
    line-height: 1.6;
}

/* ============================================================
   STANDARD PAGES (About, Privacy, Contact)
   ============================================================ */
.page-content {
    max-width: 740px;
    margin: 0 auto;
}
.page-content h1 {
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 900;
    margin-bottom: 24px;
    color: var(--text-primary);
}
.page-content h2 {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 700;
    margin: 32px 0 12px;
    color: var(--text-primary);
}
.page-content p {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 20px;
}
.page-content ul {
    margin: 0 0 20px 24px;
}
.page-content ul li {
    margin-bottom: 8px;
    color: var(--text-secondary);
}

/* ============================================================
   AD SENSE PLACEHOLDER (invisible when disabled)
   ============================================================ */
.ad-placeholder {
    display: none; /* Hidden by default — shows only when enabled */
    text-align: center;
    margin: 24px 0;
    min-height: 90px;
}
.adsense-enabled .ad-placeholder {
    display: block;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .header-inner { height: 60px; }
    .main-nav { display: none; }
    .hamburger { display: flex; }
    .site-main { padding: 32px 0; }
    .hero { padding: 32px 0; }

    .product-grid { grid-template-columns: 1fr; }
    .article-grid { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-box { padding: 20px; }
    .cta-box .cta-button { width: 100%; justify-content: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 30px; }
    .hero p { font-size: 16px; }
    .footer-grid { grid-template-columns: 1fr; }
    .article-single .article-content { font-size: 16px; }
}