/* =========================================
   DERIV LATAM — DARK NAVY + DARK YELLOW
   ========================================= */

:root {
  --color-bg: #0A1124;
  --color-bg-2: #0E1730;
  --color-bg-3: #14203F;
  --color-card: #101A36;
  --color-text: #EEF3FC;
  --color-text-muted: #A2B0CC;
  --color-text-soft: #6E7E9E;
  --color-accent: #102347;
  --color-navy: #0C2A5E;
  --color-navy-bright: #1E5BB8;
  --color-yellow: #D4A017;
  --color-yellow-2: #E8B92E;
  --color-yellow-dark: #A87C0E;
  --color-yellow-light: rgba(212, 160, 23, 0.14);
  --color-accent-glow: #E8B92E;
  --color-green: #16C784;
  --color-red: #EA3943;
  --color-border: rgba(212, 160, 23, 0.16);
  --color-border-blue: rgba(30, 91, 184, 0.28);
  --color-border-strong: rgba(212, 160, 23, 0.4);
  --shadow-card: 0 8px 30px rgba(0, 6, 18, 0.5);
  --shadow-card-hover: 0 18px 48px rgba(0, 10, 28, 0.6);
  --shadow-cta: 0 12px 34px rgba(212, 160, 23, 0.32);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --font-display: 'Manrope', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-text); text-decoration: none; transition: color .2s ease; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 17, 36, 0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 20px; max-width: 1200px; margin: 0 auto; gap: 16px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 800; font-size: 21px;
  color: var(--color-text); letter-spacing: -0.02em;
}
.logo svg { flex-shrink: 0; }

.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav a { color: var(--color-text-muted); font-weight: 500; font-size: 15.5px; position: relative; padding: 6px 0; }
.main-nav a:hover { color: var(--color-text); }
.main-nav a.active { color: var(--color-yellow-2); font-weight: 600; }
.main-nav a.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0;
  height: 3px; background: var(--color-yellow); border-radius: 3px;
}

.header-cta { display: flex; align-items: center; gap: 10px; }

.mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; flex-direction: column; gap: 4px; }
.mobile-menu-toggle span { display: block; width: 24px; height: 2px; background: var(--color-text); transition: all 0.3s; }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; font-family: var(--font-display); font-weight: 700;
  font-size: 15px; border-radius: 100px; cursor: pointer; border: none;
  transition: all .2s ease; text-align: center; white-space: nowrap; letter-spacing: -0.005em;
}
.btn-primary { background: linear-gradient(135deg, var(--color-yellow-2), var(--color-yellow)); color: #1A1206; }
.btn-primary:hover { transform: translateY(-1px); box-shadow: var(--shadow-cta); color: #1A1206; }
.btn-accent { background: linear-gradient(135deg, var(--color-yellow-2), var(--color-yellow)); color: #1A1206; }
.btn-accent:hover { transform: translateY(-1px); box-shadow: var(--shadow-cta); color: #1A1206; }
.btn-outline { background: transparent; border: 1.5px solid var(--color-border-strong); color: var(--color-yellow-2); }
.btn-outline:hover { border-color: var(--color-yellow-2); background: var(--color-yellow-light); }
.btn-lg { padding: 15px 32px; font-size: 16px; }
.btn-block { display: flex; width: 100%; }

/* HERO */
.hero {
  position: relative; padding: 80px 0 70px; overflow: hidden;
  background:
    radial-gradient(circle at 75% 15%, rgba(30, 91, 184, 0.32), transparent 50%),
    radial-gradient(circle at 15% 85%, rgba(212, 160, 23, 0.16), transparent 55%),
    var(--color-bg);
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 7px 14px;
  background: var(--color-yellow-light); border: 1px solid var(--color-border-strong);
  border-radius: 100px; color: var(--color-yellow-2); font-size: 13.5px; font-weight: 600; margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--color-yellow-2); animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232, 185, 46, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(232, 185, 46, 0); }
}
.hero h1 {
  font-family: var(--font-display); font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.2; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 22px; color: var(--color-text);
}
.hero h1 .highlight {
  background: linear-gradient(120deg, var(--color-yellow-2), var(--color-yellow));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { font-size: 17.5px; color: var(--color-text-muted); margin-bottom: 34px; max-width: 560px; line-height: 1.7; }
.hero-cta-group { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding-top: 32px; border-top: 1px solid var(--color-border); }
.hero-stat-value { font-family: var(--font-display); font-size: 30px; font-weight: 800; color: var(--color-yellow-2); letter-spacing: -0.02em; }
.hero-stat-label { font-size: 13.5px; color: var(--color-text-muted); margin-top: 4px; }

.hero-visual { position: relative; }
.hero-card {
  background: linear-gradient(180deg, var(--color-card), var(--color-bg-2));
  border: 1px solid var(--color-border-blue); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-card); position: relative;
}
.hero-card::before {
  content: ''; position: absolute; top: -16px; right: 30px;
  width: 110px; height: 110px; background: var(--color-yellow); border-radius: 50%;
  z-index: -1; filter: blur(60px); opacity: 0.45;
}
.chart-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.chart-asset { font-family: var(--font-display); font-weight: 700; font-size: 17px; color: var(--color-text); }
.chart-asset-sub { font-size: 12.5px; color: var(--color-text-muted); margin-top: 2px; }
.chart-price { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--color-text); }
.chart-price-change { font-size: 13px; color: var(--color-green); font-weight: 600; text-align: right; margin-top: 2px; }
.chart-svg { width: 100%; height: 200px; }
.chart-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 18px; }
.chart-btn-up, .chart-btn-down {
  padding: 13px; font-family: var(--font-display); font-weight: 700; border-radius: 10px; font-size: 14.5px;
  display: flex; align-items: center; justify-content: center; gap: 6px; text-decoration: none; cursor: pointer;
  transition: transform .25s cubic-bezier(.34, 1.56, .64, 1), box-shadow .25s ease, background .25s ease;
}
.chart-btn-up { background: linear-gradient(135deg, var(--color-green), #0E9C68); color: #fff; }
.chart-btn-down { background: linear-gradient(135deg, var(--color-red), #C42E37); color: #fff; }
.chart-btn-up:hover, .chart-btn-down:hover {
  transform: translateY(-4px) scale(1.04); box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
  animation: dv-btn-wiggle 0.6s ease-in-out infinite;
}
.chart-btn-up:active, .chart-btn-down:active { transform: translateY(-1px) scale(0.98); animation: none; }
@keyframes dv-btn-wiggle {
  0%, 100% { transform: translateY(-4px) scale(1.04) rotate(0deg); }
  25%      { transform: translateY(-4px) scale(1.04) rotate(-1.5deg); }
  75%      { transform: translateY(-4px) scale(1.04) rotate(1.5deg); }
}

/* ARTICLE TYPOGRAPHY */
.article-content { font-size: 16.5px; line-height: 1.85; }
.article-content h1 { font-family: var(--font-display); font-size: clamp(26px, 3.8vw, 40px); font-weight: 800; letter-spacing: -0.02em; margin-bottom: 24px; line-height: 1.25; }
.article-content h2 {
  font-family: var(--font-display); font-size: clamp(22px, 2.8vw, 30px); font-weight: 700;
  letter-spacing: -0.015em; margin: 56px 0 20px; line-height: 1.3; position: relative; padding-left: 22px;
}
.article-content h2::before {
  content: ''; position: absolute; left: 0; top: 0.3em; bottom: 0.3em; width: 6px;
  background: linear-gradient(180deg, var(--color-yellow-2), var(--color-yellow-dark)); border-radius: 6px;
}
.article-content h3 { font-family: var(--font-display); font-size: clamp(18px, 2.2vw, 22px); font-weight: 700; letter-spacing: -0.01em; margin: 34px 0 14px; color: var(--color-text); }
.article-content p { margin-bottom: 16px; color: var(--color-text-muted); }
.article-content strong { color: var(--color-text); font-weight: 700; }
.article-content em { font-style: normal; color: var(--color-yellow-2); font-weight: 600; }
.article-content ul, .article-content ol { margin: 18px 0 26px; padding-left: 0; }
.article-content ul li, .article-content ol li { position: relative; padding: 7px 0 7px 36px; list-style: none; color: var(--color-text-muted); }
.article-content ul li::before {
  content: ''; position: absolute; left: 10px; top: 20px; width: 8px; height: 8px;
  background: var(--color-yellow-2); border-radius: 50%; box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.16);
}
.article-content ol { counter-reset: list-counter; }
.article-content ol li { counter-increment: list-counter; }
.article-content ol li::before {
  content: counter(list-counter); position: absolute; left: 0; top: 7px; width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--color-navy-bright), var(--color-navy)); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; font-family: var(--font-display);
}
.article-content table {
  width: 100%; border-collapse: collapse; margin: 28px 0; background: var(--color-card);
  border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border);
  font-size: 15px; box-shadow: var(--shadow-card);
}
.article-content table thead { background: linear-gradient(135deg, var(--color-navy), var(--color-accent)); }
.article-content table th { padding: 15px 18px; text-align: left; font-family: var(--font-display); font-weight: 600; color: #fff; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.07em; }
.article-content table td { padding: 14px 18px; border-bottom: 1px solid var(--color-border); color: var(--color-text-muted); }
.article-content table tr:last-child td { border-bottom: none; }
.article-content table tbody tr:hover { background: var(--color-bg-3); }
.article-content blockquote {
  border-left: 4px solid var(--color-yellow); padding: 16px 22px; margin: 26px 0;
  background: var(--color-bg-2); border-radius: 0 var(--radius-md) var(--radius-md) 0; color: var(--color-text); font-size: 16px;
}
.article-content blockquote strong { color: var(--color-yellow-2); }
.article-content a:not(.btn) {
  color: var(--color-yellow-2); text-decoration: underline; text-decoration-color: rgba(212, 160, 23, 0.4);
  text-decoration-thickness: 2px; text-underline-offset: 3px; font-weight: 500;
}
.article-content a:not(.btn):hover { text-decoration-color: var(--color-yellow-2); }

.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; align-items: start; padding: 60px 0; }
.article-main { min-width: 0; }
.sidebar { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 20px; }
.sidebar-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 26px; box-shadow: var(--shadow-card); }
.sidebar-card h4 { font-family: var(--font-display); font-size: 16.5px; font-weight: 700; margin-bottom: 14px; color: var(--color-text); }
.sidebar-cta { background: linear-gradient(135deg, var(--color-navy), var(--color-accent)); border: 1px solid var(--color-border-strong); }
.sidebar-cta h4 { color: #fff; }
.sidebar-cta p { color: rgba(255,255,255,0.88); font-size: 14px; margin-bottom: 18px; line-height: 1.65; }
.sidebar-cta .btn { background: linear-gradient(135deg, var(--color-yellow-2), var(--color-yellow)); color: #1A1206; }
.sidebar-cta .btn:hover { filter: brightness(1.08); color: #1A1206; }
.sidebar-toc ul { list-style: none; }
.sidebar-toc ul li { padding: 9px 0; border-bottom: 1px solid var(--color-border); font-size: 14.5px; }
.sidebar-toc ul li:last-child { border-bottom: none; }
.sidebar-toc a { color: var(--color-text-muted); }
.sidebar-toc a:hover { color: var(--color-yellow-2); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.faq-item { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; transition: all .2s; box-shadow: var(--shadow-card); }
.faq-item:hover { border-color: var(--color-border-strong); }
.faq-item.open { border-color: var(--color-yellow); }
.faq-question {
  width: 100%; text-align: left; background: none; border: none; padding: 19px 22px;
  font-family: var(--font-display); font-weight: 600; font-size: 16px; color: var(--color-text);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-icon {
  flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--color-yellow-light);
  color: var(--color-yellow-2); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; transition: all .25s;
}
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--color-yellow); color: #1A1206; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer-inner { padding: 0 22px 22px; color: var(--color-text-muted); font-size: 15.5px; line-height: 1.8; }
.faq-answer-inner p { margin-bottom: 10px; }
.faq-answer-inner p:last-child { margin-bottom: 0; }
.faq-item.open .faq-answer { max-height: 900px; }

/* AUTHOR BOX */
.author-box {
  margin: 56px 0 0; padding: 32px; background: var(--color-bg-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); display: grid; grid-template-columns: 120px 1fr; gap: 26px; align-items: start;
}
.author-avatar {
  width: 120px; height: 120px; min-width: 120px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-navy-bright), var(--color-navy)); color: #fff;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display);
  font-weight: 800; font-size: 38px; letter-spacing: -0.02em; overflow: hidden; flex-shrink: 0;
  border: 3px solid var(--color-yellow); box-shadow: 0 4px 16px rgba(212, 160, 23, 0.4); position: relative; aspect-ratio: 1 / 1;
}
.author-avatar img { width: 100% !important; height: 100% !important; max-width: 100% !important; object-fit: cover; object-position: center 25%; display: block; border-radius: 50%; }
.author-name { font-family: var(--font-display); font-size: 22px; font-weight: 800; margin-bottom: 4px; letter-spacing: -0.015em; color: var(--color-text); }
.author-title { color: #1A1206; font-size: 13px; font-weight: 600; margin-bottom: 14px; background: var(--color-yellow-2); display: inline-block; padding: 4px 12px; border-radius: 100px; }
.author-bio { color: var(--color-text-muted); font-size: 15.5px; line-height: 1.8; }
.author-credentials { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.author-credential { font-size: 12.5px; padding: 5px 12px; background: var(--color-yellow-light); border: 1px solid var(--color-border); border-radius: 100px; color: var(--color-yellow-2); font-weight: 600; }

/* CTA SECTION */
.cta-section {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-accent) 100%);
  border-radius: var(--radius-lg); padding: 50px 44px; text-align: center; margin: 44px 0;
  position: relative; overflow: hidden; border: 1px solid var(--color-border-strong);
}
.cta-section::before { content: ''; position: absolute; top: -100px; right: -100px; width: 350px; height: 350px; background: radial-gradient(circle, rgba(212, 160, 23, 0.3), transparent 70%); pointer-events: none; }
.cta-section::after { content: ''; position: absolute; bottom: -80px; left: -80px; width: 220px; height: 220px; background: radial-gradient(circle, rgba(30, 91, 184, 0.25), transparent 70%); pointer-events: none; }
.cta-section h3 { font-family: var(--font-display); font-size: clamp(22px, 3vw, 30px); font-weight: 800; margin-bottom: 14px; position: relative; letter-spacing: -0.015em; color: #fff; }
.cta-section p { color: rgba(255,255,255,0.9); margin-bottom: 26px; position: relative; max-width: 600px; margin-left: auto; margin-right: auto; font-size: 16.5px; }
.cta-section .btn { position: relative; background: linear-gradient(135deg, var(--color-yellow-2), var(--color-yellow)); color: #1A1206; }
.cta-section .btn:hover { filter: brightness(1.08); color: #1A1206; }

/* BONUS CARDS */
.bonus-card {
  background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
  padding: 28px; margin: 18px 0; display: grid; grid-template-columns: 84px 1fr auto; gap: 26px; align-items: center;
  transition: all .25s ease; box-shadow: var(--shadow-card);
}
.bonus-card:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.bonus-badge {
  width: 84px; height: 84px; background: linear-gradient(135deg, var(--color-yellow-2), var(--color-yellow-dark));
  border-radius: var(--radius-md); display: flex; flex-direction: column; align-items: center; justify-content: center; font-family: var(--font-display); color: #1A1206;
}
.bonus-badge .badge-val { font-size: 22px; font-weight: 800; line-height: 1; letter-spacing: -0.025em; }
.bonus-badge .badge-label { font-size: 10px; font-weight: 700; text-transform: uppercase; margin-top: 4px; letter-spacing: 0.05em; }
.bonus-info h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.015em; color: var(--color-text); }
.bonus-info p { color: var(--color-text-muted); font-size: 14.5px; margin: 0; }
@media (max-width: 600px) {
  .bonus-card { grid-template-columns: 64px 1fr; padding: 20px; gap: 18px; }
  .bonus-card .btn { grid-column: 1 / -1; }
  .bonus-badge { width: 64px; height: 64px; }
  .bonus-badge .badge-val { font-size: 17px; }
}

/* APP CARDS */
.app-platforms { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 28px 0; }
.app-platform { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 20px; display: flex; align-items: center; gap: 14px; transition: all .25s; color: var(--color-text); box-shadow: var(--shadow-card); }
.app-platform:hover { border-color: var(--color-yellow); box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.app-platform-icon { width: 46px; height: 46px; background: var(--color-yellow-light); border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 22px; }
.app-platform-name { font-family: var(--font-display); font-weight: 700; font-size: 16px; margin-bottom: 2px; color: var(--color-text); }
.app-platform-desc { font-size: 12.5px; color: var(--color-text-muted); }

/* STEPS */
.steps-grid { display: grid; gap: 16px; margin: 28px 0; }
.step-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 28px; display: grid; grid-template-columns: 64px 1fr; gap: 22px; align-items: start; transition: all .25s; box-shadow: var(--shadow-card); }
.step-card:hover { border-color: var(--color-border-strong); box-shadow: var(--shadow-card-hover); }
.step-num { width: 64px; height: 64px; background: linear-gradient(135deg, var(--color-yellow-2), var(--color-yellow-dark)); color: #1A1206; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: 26px; letter-spacing: -0.02em; }
.step-card h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; margin-bottom: 8px; letter-spacing: -0.015em; color: var(--color-text); }
.step-card p { color: var(--color-text-muted); font-size: 15.5px; line-height: 1.75; }

/* FOOTER */
.site-footer { background: var(--color-bg-2); border-top: 1px solid var(--color-border); padding: 56px 0 24px; margin-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 44px; margin-bottom: 36px; }
.footer-col h5 { font-family: var(--font-display); font-size: 13px; font-weight: 700; margin-bottom: 16px; color: var(--color-text); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--color-text-muted); font-size: 14.5px; }
.footer-col ul li a:hover { color: var(--color-yellow-2); }
.footer-about { color: var(--color-text-muted); font-size: 14.5px; margin-top: 14px; max-width: 360px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid var(--color-border); padding-top: 24px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: var(--color-text-muted); }
.risk-warning { font-size: 12.5px; color: var(--color-text-muted); background: var(--color-bg-3); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 16px 20px; margin-bottom: 28px; line-height: 1.7; }
.risk-warning strong { color: var(--color-text); }

/* RESPONSIVE */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .article-layout { grid-template-columns: 1fr; gap: 36px; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .main-nav {
    position: fixed; top: 62px; left: 0; right: 0; background: var(--color-bg-2);
    flex-direction: column; gap: 0; padding: 16px 20px; border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card); transform: translateY(-130%); transition: transform .3s ease; z-index: 99;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--color-border); width: 100%; }
  .main-nav a:last-child { border-bottom: none; }
  .main-nav a.active::after { display: none; }
  .mobile-menu-toggle { display: flex; }
  .header-cta .btn-outline { display: none; }
  .header-cta .btn { padding: 9px 16px; font-size: 14px; }
  .hero { padding: 54px 0 44px; }
  .hero-stats { grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
  .hero-stat-value { font-size: 22px; }
  .hero-stat-label { font-size: 12px; }
  .author-box { grid-template-columns: 1fr; text-align: center; padding: 26px; }
  .author-avatar { margin: 0 auto; }
  .author-credentials { justify-content: center; }
  .cta-section { padding: 36px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .step-card { grid-template-columns: 1fr; }
  .article-content table { font-size: 13.5px; display: block; overflow-x: auto; }
  .article-content table th, .article-content table td { padding: 11px 14px; }
  .article-content h2 { padding-left: 16px; }
  .article-content h2::before { width: 5px; }
}
@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 12px 16px; }
  .logo { font-size: 18px; }
  .logo svg { width: 30px; height: 30px; }
  .btn { font-size: 14px; padding: 10px 18px; }
  .btn-lg { padding: 13px 24px; font-size: 15px; }
  .hero h1 { font-size: 27px; }
  .hero-subtitle { font-size: 15.5px; }
  .article-content { font-size: 15.5px; }
  .faq-question { font-size: 15px; padding: 16px 18px; }
  .faq-answer-inner { padding: 0 18px 18px; font-size: 14.5px; }
}

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.hero h1, .hero-subtitle, .hero-cta-group, .hero-stats { animation: fadeUp .8s ease backwards; }
.hero-subtitle { animation-delay: .1s; }
.hero-cta-group { animation-delay: .2s; }
.hero-stats { animation-delay: .3s; }