/* ============================================================
   Retatrutide.rs — Stylesheet v2
   Bold, modern, simple-font design
   ============================================================ */

:root {
    --color-primary: #0EA5E9;
    --color-primary-dark: #0284C7;
    --color-primary-light: #E0F2FE;
    --color-primary-lighter: #F0F9FF;
    --color-accent: #F97316;
    --color-accent-dark: #EA580C;
    --color-accent-light: #FFF7ED;
    --color-text: #0F172A;
    --color-text-light: #475569;
    --color-text-muted: #94A3B8;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-bg-dark: #0F172A;
    --color-border: #E2E8F0;
    --color-border-light: #F1F5F9;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;

    --shadow-sm: 0 1px 2px 0 rgba(15,23,42,.04);
    --shadow: 0 4px 12px -2px rgba(15,23,42,.08), 0 2px 6px -2px rgba(15,23,42,.04);
    --shadow-lg: 0 20px 40px -8px rgba(15,23,42,.15), 0 8px 16px -8px rgba(15,23,42,.1);
    --shadow-xl: 0 32px 64px -12px rgba(15,23,42,.2);
    --shadow-glow: 0 0 40px rgba(14,165,233,.3);

    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 999px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --max-width: 1200px;
    --max-width-article: 760px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    font-size: 16px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -.005em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: all .15s; }
a:hover { color: var(--color-primary-dark); }
ul, ol { padding-left: 1.5rem; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 640px) { .container { padding: 0 20px; } }

.site-main { min-height: 60vh; }

/* HEADER — clean, no disclaimer bar */
.site-header {
    background: rgba(255,255,255,.85);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid rgba(15,23,42,.06);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--color-text);
    font-size: 20px;
    letter-spacing: -.02em;
}
.logo:hover { color: var(--color-primary); }
.logo-mark {
    background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%);
    color: #fff;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-weight: 900;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(14,165,233,.35);
}
.logo-tld { color: var(--color-text-muted); font-weight: 600; }

.main-nav {
    display: flex;
    gap: 4px;
    align-items: center;
    flex: 1;
    justify-content: center;
}
.main-nav a {
    color: var(--color-text-light);
    font-weight: 500;
    font-size: 14px;
    padding: 9px 14px;
    border-radius: var(--radius-full);
    transition: all .15s;
}
.main-nav a:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}
.main-nav a.active {
    color: var(--color-primary-dark);
    background: var(--color-primary-light);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: space-around;
    padding: 10px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all .2s;
}

@media (max-width: 1024px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 16px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
        gap: 4px;
    }
    .main-nav.open { display: flex; }
    .main-nav a { width: 100%; padding: 12px 16px; }
    .nav-toggle { display: flex; }
    .header-cta { display: none; }
}

/* BUTTONS — bigger, bolder */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: 0;
    transition: all .2s;
    text-decoration: none;
    white-space: nowrap;
    letter-spacing: -.01em;
}
.btn-primary {
    background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
    color: #fff;
    box-shadow: 0 8px 24px -8px rgba(249,115,22,.5), 0 4px 8px -4px rgba(249,115,22,.3);
}
.btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 16px 32px -8px rgba(249,115,22,.6), 0 8px 16px -4px rgba(249,115,22,.4);
}
.btn-secondary {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: #fff;
}
.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}
.btn-outline:hover {
    border-color: var(--color-text);
    color: var(--color-text);
    background: var(--color-bg-alt);
}
.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}
.btn-xl {
    padding: 18px 36px;
    font-size: 17px;
}

/* HERO — bold and modern */
.hero {
    background: linear-gradient(180deg, #F0F9FF 0%, #FFFFFF 60%, #FFFFFF 100%);
    padding: 80px 0 100px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -300px;
    right: -200px;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(14,165,233,.15), transparent 70%);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(249,115,22,.08), transparent 70%);
    pointer-events: none;
}
.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 920px;
    margin: 0 auto;
    text-align: center;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid rgba(14,165,233,.2);
    color: var(--color-primary-dark);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 28px;
    box-shadow: var(--shadow-sm);
}
.hero-eyebrow::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(14,165,233,.2);
}
.hero h1 {
    font-size: clamp(36px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.05;
    color: var(--color-text);
    margin-bottom: 24px;
    letter-spacing: -.035em;
}
.hero h1 em {
    background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-style: normal;
}
.hero-lead {
    font-size: clamp(17px, 2vw, 21px);
    color: var(--color-text-light);
    margin-bottom: 36px;
    line-height: 1.55;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.hero-cta-group {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 72px auto 0;
    padding-top: 44px;
    border-top: 1px solid rgba(15,23,42,.08);
}
.hero-stat-value {
    font-size: 36px;
    font-weight: 900;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
    letter-spacing: -.03em;
    line-height: 1;
}
.hero-stat-label {
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 500;
    line-height: 1.4;
}

/* SECTIONS */
.section { padding: 96px 0; }
.section-tight { padding: 72px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-header { text-align: center; max-width: 760px; margin: 0 auto 56px; }
.section-eyebrow {
    color: var(--color-primary-dark);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 16px;
}
.section h2 {
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: -.025em;
    color: var(--color-text);
}
.section-lead {
    font-size: 18px;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* PILLAR CARDS — bigger, bolder */
.pillar-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}
.pillar-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 36px;
    transition: all .25s cubic-bezier(.4,0,.2,1);
    text-decoration: none;
    color: inherit;
    display: block;
    position: relative;
    overflow: hidden;
}
.pillar-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, transparent);
    transition: background .25s;
}
.pillar-card:hover {
    border-color: transparent;
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    color: inherit;
}
.pillar-card:hover::before {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}
.pillar-card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary-light), #DBEAFE);
    color: var(--color-primary-dark);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 26px;
    font-weight: 800;
}
.pillar-card h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--color-text);
    letter-spacing: -.015em;
    line-height: 1.25;
}
.pillar-card p {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.6;
}
.pillar-card-link {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    color: var(--color-primary-dark);
    font-size: 14px;
    transition: gap .2s;
}
.pillar-card:hover .pillar-card-link { gap: 10px; }

/* ARTICLE CARDS */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 28px;
}
.article-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all .25s cubic-bezier(.4,0,.2,1);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}
.article-card:hover {
    border-color: transparent;
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    color: inherit;
}
.article-card-image {
    aspect-ratio: 16/9;
    background: linear-gradient(135deg, #DBEAFE 0%, #F0F9FF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    font-size: 72px;
    font-weight: 900;
    letter-spacing: -.03em;
}
.article-card-body { padding: 28px; flex: 1; display: flex; flex-direction: column; }
.article-card-tag {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 14px;
    align-self: flex-start;
}
.article-card h3 {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 10px;
    color: var(--color-text);
    letter-spacing: -.015em;
}
.article-card p {
    color: var(--color-text-light);
    font-size: 14px;
    line-height: 1.55;
    flex: 1;
}
.article-card-meta {
    margin-top: 20px;
    padding-top: 14px;
    border-top: 1px solid var(--color-border-light);
    color: var(--color-text-muted);
    font-size: 12px;
    font-weight: 500;
    display: flex;
    justify-content: space-between;
}

/* ARTICLE PAGE */
.article-page { padding: 56px 0 96px; }
.article-container { max-width: var(--max-width-article); margin: 0 auto; padding: 0 24px; }
.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 13px;
    margin-bottom: 28px;
    font-weight: 500;
}
.article-breadcrumb a { color: var(--color-text-light); }
.article-breadcrumb a:hover { color: var(--color-primary-dark); }
.article-breadcrumb .sep { color: var(--color-text-muted); }
.article-tag {
    display: inline-block;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 20px;
}
.article-page h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -.03em;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--color-text-muted);
    font-size: 14px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 36px;
    font-weight: 500;
}
.article-meta strong { color: var(--color-text-light); font-weight: 600; }

.tldr-box {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 48px;
}
.tldr-box h3 {
    font-size: 13px;
    font-weight: 800;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}
.tldr-box p { color: var(--color-text); font-size: 16px; line-height: 1.7; margin: 0; }
.tldr-box p + p { margin-top: 12px; }

.article-content {
    font-size: 17px;
    line-height: 1.75;
    color: var(--color-text);
}
.article-content h2 {
    font-size: 32px;
    font-weight: 900;
    margin: 56px 0 18px;
    line-height: 1.2;
    letter-spacing: -.025em;
}
.article-content h3 {
    font-size: 24px;
    font-weight: 800;
    margin: 36px 0 14px;
    line-height: 1.3;
    letter-spacing: -.015em;
}
.article-content h4 {
    font-size: 19px;
    font-weight: 700;
    margin: 28px 0 10px;
}
.article-content p { margin-bottom: 22px; }
.article-content ul, .article-content ol { margin: 0 0 22px 24px; }
.article-content li { margin-bottom: 10px; }
.article-content strong { font-weight: 700; color: var(--color-text); }
.article-content blockquote {
    border-left: 4px solid var(--color-primary);
    background: var(--color-bg-alt);
    padding: 18px 28px;
    margin: 28px 0;
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--color-text-light);
    font-style: italic;
    font-size: 17px;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    font-size: 15px;
}
.article-content th {
    background: var(--color-text);
    color: #fff;
    text-align: left;
    padding: 14px 18px;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: -.005em;
}
.article-content td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border-light);
    background: #fff;
}
.article-content tr:last-child td { border-bottom: 0; }
.article-content tbody tr:nth-child(even) td { background: var(--color-bg-alt); }

/* CALLOUT BOXES */
.callout {
    border-radius: var(--radius-lg);
    padding: 24px 28px;
    margin: 28px 0;
    border-left: 4px solid;
}
.callout-warning { background: #FFFBEB; border-color: var(--color-warning); }
.callout-danger { background: #FEF2F2; border-color: var(--color-danger); }
.callout-info { background: var(--color-primary-light); border-color: var(--color-primary); }
.callout h4 {
    font-size: 17px;
    font-weight: 800;
    margin-bottom: 10px;
    margin-top: 0;
    letter-spacing: -.01em;
}

/* INLINE CTA */
.inline-cta {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: #fff;
    padding: 40px;
    border-radius: var(--radius-xl);
    margin: 48px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.inline-cta::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(14,165,233,.2), transparent 70%);
    pointer-events: none;
}
.inline-cta h3 {
    color: #fff;
    font-size: 26px;
    margin-bottom: 10px;
    font-weight: 800;
    letter-spacing: -.02em;
    position: relative;
}
.inline-cta p {
    color: rgba(255,255,255,.75);
    margin-bottom: 24px;
    font-size: 16px;
    position: relative;
}
.inline-cta .btn { position: relative; }

/* FAQ */
.faq-list { margin: 28px 0; }
.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: 14px;
    overflow: hidden;
    background: #fff;
}
.faq-question {
    padding: 20px 24px;
    font-weight: 700;
    font-size: 17px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text);
    letter-spacing: -.01em;
}
.faq-answer {
    padding: 8px 24px 20px;
    color: var(--color-text-light);
    font-size: 16px;
    line-height: 1.65;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

/* TELEGRAM CTA SECTION */
.telegram-cta-section {
    padding: 96px 0;
    background: var(--color-bg-alt);
}
.telegram-cta-card {
    background: linear-gradient(135deg, #0EA5E9 0%, #0284C7 100%);
    color: #fff;
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    text-align: center;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}
.telegram-cta-card::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,.15), transparent 70%);
    pointer-events: none;
}
.telegram-cta-card::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(249,115,22,.2), transparent 70%);
    pointer-events: none;
}
.telegram-cta-icon {
    margin: 0 auto 24px;
    position: relative;
    width: 72px;
    height: 72px;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(10px);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.telegram-cta-content {
    position: relative;
}
.telegram-cta-content h2 {
    color: #fff;
    font-size: clamp(28px, 3.5vw, 44px);
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.1;
    letter-spacing: -.03em;
}
.telegram-cta-content p {
    font-size: 18px;
    color: rgba(255,255,255,.92);
    max-width: 620px;
    margin: 0 auto 32px;
    line-height: 1.6;
}
.telegram-cta-meta {
    margin-top: 20px !important;
    font-size: 14px !important;
    color: rgba(255,255,255,.75) !important;
    font-weight: 500;
}

/* FOOTER */
.site-footer {
    background: var(--color-bg-dark);
    color: #cbd5e1;
    padding: 72px 0 32px;
}
.site-footer .logo,
.site-footer .logo-text { color: #fff; }
.site-footer .logo-tld { color: var(--color-primary); }
.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 48px;
    margin-bottom: 56px;
}
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 640px) {
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
.footer-tagline {
    color: #94a3b8;
    font-size: 14px;
    line-height: 1.65;
    margin-top: 14px;
    max-width: 320px;
}
.footer-col h4 {
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a {
    color: #94a3b8;
    font-size: 14px;
    transition: color .15s;
}
.footer-col a:hover { color: #fff; }
.social-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #cbd5e1 !important;
    background: #1e293b;
    padding: 12px 18px;
    border-radius: var(--radius);
    transition: all .2s;
    font-weight: 500;
    font-size: 14px;
}
.social-link:hover {
    background: var(--color-primary);
    color: #fff !important;
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: 28px;
    border-top: 1px solid #1e293b;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 13px;
    color: #64748b;
}

/* UTIL */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }

/* ============================================================
   MOBILE FIXES — hamburger + horizontal scroll
   ============================================================ */

/* Prevent horizontal scroll/slide */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Tables in article — scroll instead of overflow */
.article-content table,
.article-page table {
    display: block;
    overflow-x: auto;
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
    white-space: normal;
}

/* Long words break */
h1, h2, h3, p, li {
    word-wrap: break-word;
    overflow-wrap: break-word;
}

/* Images stay in box */
img, svg, video, iframe {
    max-width: 100%;
    height: auto;
}

/* HAMBURGER FIX — visible and prominent */
@media (max-width: 1024px) {
    .nav-toggle {
        display: flex !important;
        background: var(--color-bg-alt, #F8FAFC);
        border: 1px solid var(--color-border, #E2E8F0);
        border-radius: 10px;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        flex-shrink: 0;
        flex-direction: column;
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2.5px;
        background: var(--color-text, #0F172A) !important;
        border-radius: 2px;
        margin: 2.5px 0;
        transition: all .2s ease;
    }
    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }
}

/* Header padding optimized for mobile */
@media (max-width: 640px) {
    .header-inner {
        padding: 14px 16px;
        gap: 12px;
    }
    .logo {
        font-size: 18px;
    }
    .logo-mark {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }
}

/* Typography smaller on mobile */
@media (max-width: 640px) {
    h1 {
        font-size: clamp(28px, 8vw, 40px) !important;
        line-height: 1.15;
        letter-spacing: -.02em;
    }
    h2 {
        font-size: clamp(22px, 6vw, 28px) !important;
        line-height: 1.25;
    }
    h3 {
        font-size: 19px !important;
        line-height: 1.3;
    }
    .hero h1, .article-page h1 {
        word-break: break-word;
    }
}

/* Article content padding on mobile */
@media (max-width: 640px) {
    .article-container {
        padding: 0 16px;
    }
    .container {
        padding: 0 16px;
    }
}

/* TLDR box and callouts */
@media (max-width: 640px) {
    .tldr-box,
    .callout {
        padding: 18px 16px;
        font-size: 15px;
    }
    .tldr-box h3, .callout h4 {
        font-size: 14px;
    }
}

/* Buttons full width on small screens */
@media (max-width: 640px) {
    .btn-large, .btn-xl {
        font-size: 15px;
        padding: 14px 22px;
    }
    .hero-cta-group {
        flex-direction: column;
        width: 100%;
    }
    .hero-cta-group .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Footer mobile cleanup */
@media (max-width: 640px) {
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Telegram CTA card mobile */
@media (max-width: 640px) {
    .telegram-cta-card {
        flex-direction: column;
        text-align: center;
        padding: 28px 20px;
    }
}