/* ═══════════════════════════════════════════════════════════════
   ba-99.fun — Emerald Trust Gaming UI Design System
   Visual Style: Premium warm amber + deep trust tones
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* ── Color Tokens ── */
  --color-primary: #d97706;
  --color-primary-dark: #92400e;
  --color-primary-soft: #fef3c7;
  --color-secondary: #0d9488;
  --color-accent: #c2410c;
  --color-bg: #fffbf5;
  --color-bg-soft: #fef9ee;
  --color-surface: #ffffff;
  --color-surface-strong: #fdf6e9;
  --color-card: #fffdf7;
  --color-card-alt: #fef3c7;
  --color-border: rgba(245,158,11,0.25);
  --color-border-strong: rgba(194,65,12,0.3);
  --color-text: #2c1810;
  --color-text-soft: #6b4423;
  --color-text-muted: #92400e;
  --color-success: #16a34a;
  --color-warning: #eab308;
  --color-danger: #dc2626;
  --color-footer-bg: #1c0f06;
  --color-footer-text: #fde68a;

  /* ── Gradient Tokens ── */
  --gradient-hero: linear-gradient(135deg, #fef3c7 0%, #fde68a 40%, #fbbf24 70%, #f59e0b 100%);
  --gradient-hero-soft: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  --gradient-button: linear-gradient(135deg, #d97706 0%, #c2410c 100%);
  --gradient-button-hover: linear-gradient(135deg, #b45309 0%, #9a3412 100%);
  --gradient-cta: linear-gradient(90deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  --gradient-footer: linear-gradient(180deg, #2c1810 0%, #1c0f06 100%);
  --gradient-card-border: linear-gradient(135deg, #f59e0b, #d97706);

  /* ── Shadow Tokens ── */
  --shadow-header: 0 2px 12px rgba(194,65,12,0.08);
  --shadow-card: 0 4px 18px rgba(194,65,12,0.07);
  --shadow-card-hover: 0 12px 32px rgba(194,65,12,0.15);
  --shadow-button: 0 4px 18px rgba(194,65,12,0.25);
  --shadow-cta: 0 6px 24px rgba(194,65,12,0.2);
  --shadow-soft: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-menu: 0 12px 40px rgba(0,0,0,0.15);

  /* ── Radius Tokens ── */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-pill: 50px;
  --radius-card: 16px;
  --radius-image: 14px;
  --radius-form: 10px;

  /* ── Typography Tokens ── */
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --font-heading: "Noto Sans Bengali", system-ui, -apple-system, sans-serif;
  --fs-h1: clamp(1.8rem, 4vw, 2.6rem);
  --fs-h2: clamp(1.4rem, 3vw, 2rem);
  --fs-h3: clamp(1.15rem, 2vw, 1.5rem);
  --fs-body: clamp(0.95rem, 1.2vw, 1.05rem);
  --fs-small: 0.875rem;
  --fs-nav: clamp(13px, 0.84vw, 15px);
  --fs-button: 0.95rem;
  --lh-heading: 1.35;
  --lh-body: 1.85;

  /* ── Spacing Tokens ── */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-narrow: 820px;
  --section-y: clamp(48px, 6vw, 80px);
  --section-y-sm: clamp(32px, 4vw, 56px);
  --gap-xs: 6px;
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --gap-xl: 48px;
  --header-h: 72px;
  --mobile-header-h: 64px;
  --card-padding: clamp(1rem, 2vw, 1.8rem);

  /* ── Motion Tokens ── */
  --motion-fast: 0.15s;
  --motion-normal: 0.25s;
  --motion-slow: 0.4s;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ═══ Reset & Base ═══ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; padding: 0;
  font-family: var(--font-base);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: var(--lh-body);
  font-size: var(--fs-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--motion-fast); }
a:hover { color: var(--color-primary-dark); }
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 700; color: var(--color-text);
  line-height: var(--lh-heading);
  margin: 0 0 1rem;
}
h1 { font-size: var(--fs-h1); font-weight: 800; }
h2 { font-size: var(--fs-h2); font-weight: 700; }
h3 { font-size: var(--fs-h3); font-weight: 600; }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.4rem; }

/* ═══ Containers ═══ */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 clamp(16px, 3vw, 24px); }
.container-wide { max-width: var(--container-wide); }
.container-narrow { max-width: var(--container-narrow); }

/* ═══ Sections ═══ */
.section { padding: var(--section-y) 0; }
.section-sm { padding: var(--section-y-sm) 0; }
.section-title { font-size: var(--fs-h2); font-weight: 800; color: var(--color-accent); margin-bottom: 0.5rem; text-align: center; }
.section-subtitle { color: var(--color-text-soft); font-size: var(--fs-body); text-align: center; margin-bottom: 2rem; max-width: 640px; margin-left: auto; margin-right: auto; }
.section-divider { width: 60px; height: 4px; background: var(--gradient-button); border-radius: 2px; margin: 0.5rem auto 1.5rem; }
.bg-warm { background: var(--color-bg); }
.bg-soft { background: var(--color-bg-soft); }
.bg-surface { background: var(--color-surface); }
.bg-card-alt { background: var(--color-card-alt); }

/* ═══ Header ═══ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  width: 100%;
  background: var(--color-card);
  border-bottom: 2px solid var(--color-border);
  box-shadow: var(--shadow-header);
  transition: box-shadow var(--motion-normal);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(194,65,12,0.12); }

.header-inner {
  width: 100%; max-width: none;
  padding-left: clamp(10px, 1.2vw, 20px);
  padding-right: clamp(10px, 1.2vw, 20px);
  min-height: var(--header-h);
  display: flex; align-items: center;
  gap: clamp(10px, 1vw, 18px);
}

.brand-wrap {
  flex: 0 0 auto;
  margin-right: clamp(4px, .8vw, 14px);
  display: flex; align-items: center;
}
.site-logo {
  display: block; width: auto;
  height: clamp(32px, 3vw, 42px);
  max-width: clamp(118px, 10vw, 168px);
  object-fit: contain;
}

.primary-nav {
  flex: 1 1 auto; min-width: 0;
  display: flex; align-items: center; justify-content: center;
  flex-wrap: nowrap;
  gap: clamp(6px, .72vw, 14px);
  white-space: nowrap; overflow: visible;
}
.primary-nav a {
  flex: 0 1 auto; min-width: 0;
  padding: 9px clamp(6px, .65vw, 12px);
  font-size: var(--fs-nav); line-height: 1;
  white-space: nowrap;
  color: var(--color-text); font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.primary-nav a:hover { background: var(--color-primary-soft); color: var(--color-accent); text-decoration: none; }
.primary-nav a.active { background: var(--color-primary-soft); color: var(--color-accent); font-weight: 600; }

.header-actions {
  flex: 0 0 auto; margin-left: auto;
  display: flex; align-items: center; justify-content: flex-end;
  gap: clamp(6px, .6vw, 10px);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  flex: 0 0 40px; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: transparent; border: 2px solid var(--color-accent);
  border-radius: var(--radius-sm); cursor: pointer;
  color: var(--color-accent); font-size: 1.2rem;
  transition: background var(--motion-fast);
  margin-left: 2px;
}
.nav-toggle:hover { background: var(--color-primary-soft); }

/* ═══ Mobile Menu ═══ */
#mobile-menu {
  display: none; position: fixed;
  left: 12px; right: 12px; top: calc(var(--mobile-header-h) + 8px);
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-menu);
  border: 1px solid var(--color-border);
  padding: 14px; z-index: 999;
  flex-direction: column; gap: 0;
  max-height: calc(100vh - 96px); overflow-y: auto;
}
#mobile-menu.is-open { display: flex; }
#mobile-menu a {
  display: block; padding: 14px 12px;
  color: var(--color-text); font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast);
}
#mobile-menu a:hover { background: var(--color-primary-soft); color: var(--color-accent); text-decoration: none; }
#mobile-menu a.active { background: var(--color-primary-soft); color: var(--color-accent); font-weight: 600; }

/* ═══ Buttons ═══ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.8rem; border: none; border-radius: var(--radius-pill);
  font-family: var(--font-base); font-size: var(--fs-button); font-weight: 700;
  cursor: pointer; transition: all var(--motion-normal) var(--ease-soft);
  white-space: nowrap; text-decoration: none; min-height: 44px;
}
.btn-primary {
  background: var(--gradient-button); color: #fff;
  box-shadow: var(--shadow-button);
}
.btn-primary:hover {
  background: var(--gradient-button-hover); color: #fff;
  transform: translateY(-2px); box-shadow: 0 6px 24px rgba(194,65,12,0.3);
  text-decoration: none;
}
.btn-outline {
  background: transparent; color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-outline:hover {
  background: var(--color-accent); color: #fff;
  text-decoration: none;
}

/* ═══ Hero Variants ═══ */
.hero-home {
  background: var(--gradient-hero); position: relative;
  overflow: hidden; padding: clamp(48px, 6vw, 80px) 0;
}
.hero-home::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(194,65,12,0.1) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  background: var(--gradient-hero-soft);
  padding: clamp(32px, 4vw, 56px) 0;
  border-bottom: 1px solid var(--color-border);
}
.hero-policy {
  background: var(--color-surface-strong);
  padding: clamp(28px, 3vw, 44px) 0;
  border-bottom: 2px solid var(--color-border);
}
.hero-auth {
  background: linear-gradient(135deg, #fef3c7 0%, #f59e0b22 100%);
  padding: clamp(32px, 4vw, 48px) 0;
}
.auth-login-hero {
  padding: clamp(42px, 6vw, 76px) 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(245,158,11,0.22), transparent 34%),
    linear-gradient(135deg, #fff7ed 0%, #fef3c7 55%, #fde68a 100%);
  border-bottom: 1px solid var(--color-border);
}
.auth-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: clamp(24px, 4vw, 52px);
}
.auth-hero-copy {
  max-width: 700px;
}
.auth-eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.8rem;
  margin-bottom: 1rem;
  border-radius: var(--radius-pill);
  background: rgba(13,148,136,0.12);
  color: var(--color-secondary);
  font-size: var(--fs-small);
  font-weight: 800;
}
.auth-hero-copy h1 {
  max-width: 680px;
  margin-bottom: 1rem;
}
.auth-hero-copy p {
  max-width: 640px;
  color: var(--color-text-soft);
  font-size: 1.05rem;
}
.auth-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.2rem;
}
.auth-highlights span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--color-border);
  color: var(--color-primary-dark);
  font-weight: 700;
  box-shadow: var(--shadow-soft);
}
.login-panel {
  position: relative;
  overflow: hidden;
  background: var(--color-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  padding: clamp(1.25rem, 3vw, 2rem);
  box-shadow: 0 20px 52px rgba(146,64,14,0.16);
}
.login-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: var(--gradient-button);
}
.panel-title {
  color: var(--color-text);
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 0.25rem;
}
.panel-sub {
  color: var(--color-text-soft);
  margin-bottom: 1.35rem;
}
.login-forgot {
  display: block;
  margin: -0.25rem 0 1rem auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--color-accent);
  font-family: var(--font-base);
  font-weight: 800;
  cursor: pointer;
}
.login-forgot:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}
.auth-submit,
.auth-register {
  width: 100%;
  margin-top: 0.25rem;
}
.divider-or {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 0.75rem;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  font-weight: 800;
}
.divider-or::before,
.divider-or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}
.secure-note {
  margin: 0.9rem 0 0;
  color: var(--color-text-soft);
  font-size: 0.88rem;
  line-height: 1.5;
  text-align: center;
}
.hero-article {
  background: var(--color-bg-soft);
  padding: clamp(24px, 3vw, 40px) 0;
  border-bottom: 1px solid var(--color-border);
}

/* ═══ Cards ═══ */
.card-grid { display: grid; gap: var(--gap-md); }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

.feature-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); padding: var(--card-padding);
  transition: transform var(--motion-normal), box-shadow var(--motion-normal);
  box-shadow: var(--shadow-soft);
}
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover); }
.feature-card .card-icon {
  font-size: 2.2rem; color: var(--color-accent); margin-bottom: 0.8rem; display: block;
}
.feature-card h3, .feature-card h5 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: var(--fs-small); color: var(--color-text-soft); margin: 0; }

.game-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-image); overflow: hidden;
  transition: transform var(--motion-normal), box-shadow var(--motion-normal);
}
.game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card-hover); }
.game-card-img {
  width: 100%; height: 160px; object-fit: cover;
  background: linear-gradient(135deg, #fde68a, #fbbf24);
}
.game-card-body { padding: 1rem; }
.game-card-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.3rem; }
.game-card-tag {
  font-size: 0.75rem; background: var(--color-primary-soft);
  color: var(--color-accent); border-radius: 20px;
  padding: 2px 10px; display: inline-block; margin-bottom: 0.4rem;
}

.step-card {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); padding: 1.6rem 1.2rem;
  text-align: center;
}
.step-number {
  width: 48px; height: 48px; background: var(--color-accent);
  color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 800; margin: 0 auto 1rem;
}

.trust-card {
  background: linear-gradient(145deg, var(--color-primary-soft), #fde68a);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl); padding: 2rem 1.5rem;
  text-align: center;
}

.info-card {
  background: var(--color-primary-soft);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1rem 1.2rem; margin-bottom: 1rem;
}
.info-card-title { font-weight: 700; color: var(--color-accent); font-size: 1rem; margin-bottom: 0.3rem; }

.security-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card); padding: var(--card-padding);
  display: flex; align-items: flex-start; gap: 1rem;
}
.security-card .sec-icon { font-size: 1.6rem; color: var(--color-accent); flex-shrink: 0; }

/* ═══ Tables ═══ */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 1rem; }
.data-table {
  width: 100%; border-collapse: collapse;
  font-size: var(--fs-small); background: var(--color-surface);
}
.data-table th {
  background: var(--color-accent); color: #fff;
  font-weight: 600; padding: 0.75rem 1rem; text-align: left;
}
.data-table td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.data-table tr:nth-child(even) td { background: var(--color-primary-soft); }

/* ═══ FAQ ═══ */
.faq-section { margin: 0; }
.faq-item {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); margin-bottom: var(--gap-sm);
  overflow: hidden;
}
.faq-btn {
  width: 100%; background: none; border: none;
  padding: 1rem 1.2rem; text-align: left;
  font-family: var(--font-base); font-size: 1rem; font-weight: 600;
  color: var(--color-text); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  transition: background var(--motion-fast);
}
.faq-btn:hover { background: var(--color-primary-soft); }
.faq-btn::after {
  content: '+'; font-size: 1.4rem; font-weight: 300;
  color: var(--color-accent); transition: transform var(--motion-normal);
  flex-shrink: 0; margin-left: 1rem;
}
.faq-btn[aria-expanded="true"]::after { content: '−'; }
.faq-answer {
  display: none; padding: 0 1.2rem 1rem;
  color: var(--color-text-soft); font-size: var(--fs-small); line-height: 1.7;
}
.faq-answer.is-open { display: block; }

/* ═══ Forms ═══ */
.form-group { margin-bottom: 1.2rem; }
.form-label {
  display: block; font-weight: 600; margin-bottom: 0.4rem;
  color: var(--color-text); font-size: var(--fs-small);
}
.form-input {
  width: 100%; padding: 0.75rem 1rem;
  border: 2px solid var(--color-border); border-radius: var(--radius-form);
  font-family: var(--font-base); font-size: 1rem;
  background: var(--color-surface); color: var(--color-text);
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast);
}
.form-input:focus {
  outline: none; border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(194,65,12,0.15);
}

/* ═══ CTA Strip ═══ */
.cta-strip {
  background: var(--gradient-cta);
  padding: clamp(36px, 5vw, 56px) 0; text-align: center;
}
.cta-strip h2 { color: var(--color-primary-dark); font-weight: 800; }
.cta-strip p { color: #7c2d12; }

/* ═══ Breadcrumb ═══ */
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-size: var(--fs-small); color: var(--color-text-muted);
  margin-bottom: 1rem; padding: 0; list-style: none;
}
.breadcrumb a { color: var(--color-accent); }
.breadcrumb-sep { margin: 0 0.2rem; }

/* ═══ Content & Prose ═══ */
.prose { max-width: var(--container-narrow); }
.prose h2 { margin-top: 2rem; color: var(--color-accent); }
.prose h3 { margin-top: 1.5rem; }
.prose p { line-height: var(--lh-body); }
.prose ul, .prose ol { margin-bottom: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }

.content-img {
  width: 100%; max-width: 700px; height: auto;
  border-radius: var(--radius-image); display: block;
  margin: 1.5rem auto;
  box-shadow: 0 6px 24px rgba(194,65,12,0.1);
}

.two-col {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--gap-lg); align-items: start;
}

/* ═══ Footer ═══ */
.site-footer {
  background: var(--gradient-footer); color: var(--color-footer-text);
  padding: clamp(2rem, 4vw, 3rem) 0 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--gap-lg);
}
.site-footer h5 {
  color: #f59e0b; font-weight: 700; font-size: 1rem;
  margin-bottom: 1rem; text-transform: uppercase; letter-spacing: 0.05em;
}
.footer-link {
  display: block; color: var(--color-footer-text);
  font-size: var(--fs-small); padding: 0.25rem 0;
  transition: color var(--motion-fast);
}
.footer-link:hover { color: #f59e0b; text-decoration: underline; }
.footer-divider { border-color: #7c2d12; margin: 1.5rem 0; }
.footer-bottom { font-size: 0.85rem; color: #a16207; text-align: center; }
.footer-brand-desc { font-size: var(--fs-small); line-height: 1.7; margin-bottom: 0.8rem; }
.footer-email { color: var(--color-footer-text); }
.age-badge {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--color-accent); color: #fff;
  border-radius: var(--radius-sm); padding: 0.4rem 1rem;
  font-size: var(--fs-small); font-weight: 700;
}

/* ═══ Utility ═══ */
.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.gap-row { display: flex; flex-wrap: wrap; gap: var(--gap-md); }

/* ═══ Focus & a11y ═══ */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ═══ Responsive ═══ */
@media (max-width: 1180px) {
  .site-header .header-inner {
    width: 100%; max-width: none;
    padding-left: clamp(8px, 2.4vw, 14px);
    padding-right: clamp(8px, 2.4vw, 14px);
    justify-content: flex-start;
    gap: clamp(6px, 1.8vw, 10px);
    min-height: var(--mobile-header-h);
  }
  .brand-wrap { flex: 0 1 auto; margin-right: 0; }
  .site-logo {
    height: clamp(30px, 8vw, 40px);
    max-width: clamp(104px, 27vw, 138px);
  }
  .primary-nav { display: none; }
  .header-actions {
    margin-left: auto; flex: 0 0 auto;
    display: flex; align-items: center; justify-content: flex-end;
    gap: clamp(5px, 1.6vw, 8px);
  }
  .nav-toggle {
    display: inline-flex;
    flex: 0 0 40px; width: 40px; height: 40px;
    margin-left: 2px;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .card-grid-4, .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .auth-hero-grid {
    grid-template-columns: 1fr;
  }
  .login-panel {
    width: 100%;
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .hero-home { padding: clamp(32px, 5vw, 56px) 0; }
  .auth-login-hero {
    padding: clamp(32px, 8vw, 48px) 0;
  }
  .auth-highlights span {
    width: 100%;
    justify-content: center;
  }
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: 1fr; }
  .card-grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--gap-md); }
}

@media (max-width: 414px) {
  .container { padding: 0 12px; }
  .section { padding: clamp(32px, 5vw, 48px) 0; }
  .btn { padding: 0.6rem 1.4rem; font-size: 0.9rem; min-height: 42px; }
}

@media (max-width: 375px) {
  .site-header .header-inner { padding-left: 8px; padding-right: 8px; gap: 6px; }
  .site-logo { max-width: 104px; }
  .nav-toggle { flex-basis: 38px; width: 38px; height: 38px; }
}

/* ═══ Print ═══ */
@media print {
  .site-header, .site-footer, .cta-strip, .nav-toggle, #mobile-menu, #br-stick { display: none !important; }
  body { background: #fff; color: #000; }
}