/* ═══════════════════════════════════════════
   a71 – Emerald Neon Trust UI Design System
   Visual Style: Dark premium neon with purple/pink accents
   ═══════════════════════════════════════════ */

:root {
  --color-primary: #7c3aed;
  --color-primary-dark: #6d28d9;
  --color-primary-soft: rgba(124,58,237,.15);
  --color-secondary: #ec4899;
  --color-accent: #a78bfa;
  --color-bg: #020617;
  --color-bg-soft: #0f172a;
  --color-surface: #111827;
  --color-surface-strong: #1e293b;
  --color-card: rgba(17,24,39,.85);
  --color-card-alt: rgba(30,41,59,.7);
  --color-border: rgba(255,255,255,.1);
  --color-border-strong: rgba(124,58,237,.3);
  --color-text: #f1f5f9;
  --color-text-soft: #cbd5e1;
  --color-text-muted: #94a3b8;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: rgba(2,6,23,.95);
  --color-footer-text: #94a3b8;
  --gradient-hero: linear-gradient(135deg, rgba(124,58,237,.2) 0%, rgba(236,72,153,.12) 100%);
  --gradient-button: linear-gradient(135deg, #7c3aed, #ec4899);
  --gradient-button-hover: linear-gradient(135deg, #6d28d9, #db2777);
  --gradient-card: linear-gradient(180deg, rgba(17,24,39,.85), rgba(15,23,42,.95));
  --gradient-cta: linear-gradient(135deg, rgba(124,58,237,.25), rgba(236,72,153,.15));
  --shadow-header: 0 4px 20px rgba(0,0,0,.4);
  --shadow-card: 0 8px 32px rgba(0,0,0,.25);
  --shadow-card-hover: 0 12px 40px rgba(124,58,237,.2);
  --shadow-button: 0 4px 16px rgba(124,58,237,.3);
  --shadow-glow: 0 0 18px rgba(124,58,237,.35), 0 0 32px rgba(236,72,153,.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 999px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --fs-h1: clamp(1.75rem, 3.5vw, 2.75rem);
  --fs-h2: clamp(1.35rem, 2.5vw, 2rem);
  --fs-h3: clamp(1.1rem, 1.8vw, 1.4rem);
  --fs-body: 1.05rem;
  --fs-small: .9rem;
  --lh-body: 1.8;
  --lh-heading: 1.3;
  --container-max: 1200px;
  --section-y: clamp(3rem, 5vw, 5rem);
  --header-h: 72px;
  --motion-fast: .15s;
  --motion-normal: .25s;
  --motion-slow: .4s;
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-base);
  background: var(--color-bg);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(124,58,237,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(236,72,153,.08) 0%, transparent 40%);
  background-attachment: fixed;
  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: #fff; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; border-radius: 4px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; } }

/* ─── CONTAINER ─── */
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding-left: clamp(16px, 4vw, 24px); padding-right: clamp(16px, 4vw, 24px); }

/* ═══════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════ */
.site-header {
  position: sticky; top: 0; z-index: 1000; width: 100%;
  background: rgba(2,6,23,.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-header);
}
.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); }
.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(4px, .6vw, 12px);
  white-space: nowrap; overflow: visible;
}
.primary-nav a {
  flex: 0 1 auto; min-width: 0;
  padding: 8px clamp(5px, .55vw, 10px);
  font-size: clamp(12.5px, .82vw, 14.5px);
  line-height: 1; white-space: nowrap;
  color: var(--color-text-soft); font-weight: 600;
  border-radius: var(--radius-sm);
  transition: color var(--motion-fast), background var(--motion-fast);
  text-decoration: none;
}
.primary-nav a:hover, .primary-nav a.nav-active {
  color: #fff;
  background: rgba(124,58,237,.15);
}
.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;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; border-radius: var(--radius-pill);
  transition: all var(--motion-normal) var(--ease-out);
  text-decoration: none; white-space: nowrap;
}
.btn-register {
  background: var(--gradient-button); color: #fff;
  padding: 8px 18px; font-size: 13.5px;
  box-shadow: var(--shadow-button);
  min-height: 40px;
}
.btn-register:hover { transform: translateY(-1px); box-shadow: var(--shadow-glow); color: #fff; }
.btn-login {
  border: 1px solid rgba(236,72,153,.4); color: #fff;
  background: rgba(255,255,255,.05);
  padding: 8px 18px; font-size: 13.5px;
  min-height: 40px;
}
.btn-login:hover { background: rgba(236,72,153,.12); color: #fff; }
.btn-primary-cta {
  background: var(--gradient-button); color: #fff;
  padding: 14px 32px; font-size: 1rem;
  box-shadow: var(--shadow-glow);
}
.btn-primary-cta:hover { transform: translateY(-2px); box-shadow: 0 0 24px rgba(124,58,237,.5); color: #fff; }
.btn-secondary-cta {
  border: 1px solid rgba(236,72,153,.4); color: #fff;
  background: rgba(255,255,255,.04);
  padding: 14px 32px; font-size: 1rem;
}
.btn-secondary-cta:hover { background: rgba(236,72,153,.1); color: #fff; }

.nav-toggle { display: none; }

/* ─── MOBILE MENU ─── */
.mobile-menu {
  display: none; position: fixed;
  top: var(--header-h); left: 0; right: 0;
  background: rgba(2,6,23,.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto; z-index: 999;
  padding: 16px;
}
.mobile-menu.is-open { display: block; }
.mobile-nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block; padding: 14px 16px;
  color: var(--color-text-soft); font-weight: 600; font-size: 1rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--motion-fast);
}
.mobile-nav a:hover { background: rgba(124,58,237,.12); color: #fff; }

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.home-hero {
  padding: clamp(6rem, 10vw, 9rem) 0 clamp(3rem, 5vw, 5rem);
  position: relative; overflow: hidden;
}
.home-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 20% 20%, rgba(124,58,237,.2), transparent 35%),
              radial-gradient(circle at 80% 30%, rgba(236,72,153,.14), transparent 30%);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: center; position: relative; }
.hero-content h1 { font-size: var(--fs-h1); font-weight: 800; line-height: var(--lh-heading); margin-bottom: 18px; }
.hero-lead { color: var(--color-text-soft); font-size: 1.1rem; margin-bottom: 20px; }
.hero-pills { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-primary-soft);
  border-radius: var(--radius-pill);
  padding: 6px 14px; font-size: .88rem; color: #ede9fe;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.kicker {
  display: inline-block;
  color: #c084fc; text-transform: uppercase;
  letter-spacing: .1em; font-size: .8rem; font-weight: 700;
  margin-bottom: 8px;
}
.glass-card, .hero-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--shadow-card);
}
.glass-card h2, .hero-card h2 { font-size: var(--fs-h3); font-weight: 700; margin-bottom: 12px; }
.glass-card p { color: var(--color-text-soft); margin-bottom: 12px; }
.glass-card ul { padding-left: 0; }
.glass-card li, .hero-card li { color: var(--color-text-soft); margin-bottom: 8px; padding-left: 16px; position: relative; }
.glass-card li::before { content: "•"; position: absolute; left: 0; color: var(--color-primary); }

/* Inner page hero */
.inner-hero {
  padding: clamp(7rem, 8vw, 8rem) 0 clamp(2rem, 3vw, 3rem);
  position: relative;
}
.inner-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 30% 20%, rgba(124,58,237,.15), transparent 40%);
}
.breadcrumb-nav { margin-bottom: 16px; }
.breadcrumb-nav ol { display: flex; gap: 8px; font-size: .85rem; }
.breadcrumb-nav li { color: var(--color-text-muted); }
.breadcrumb-nav a { color: var(--color-accent); }
.breadcrumb-nav .sep { margin: 0 4px; color: var(--color-text-muted); }

/* ═══════════════════════════════════════════
   CONTENT SECTIONS
   ═══════════════════════════════════════════ */
.content-section { padding: var(--section-y) 0; }
.bg-alt { background: rgba(15,23,42,.5); }
.content-section h2 { font-size: var(--fs-h2); font-weight: 800; line-height: var(--lh-heading); margin-bottom: 16px; }
.content-section h3 { font-size: var(--fs-h3); font-weight: 700; margin-bottom: 10px; }
.content-section p { color: var(--color-text-soft); margin-bottom: 16px; line-height: var(--lh-body); }
.prose { max-width: 780px; }
.content-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 36px; align-items: start; }
.dual-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; }
.side-panel .highlight-card {
  background: linear-gradient(135deg, rgba(236,72,153,.1), rgba(124,58,237,.08));
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.highlight-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.highlight-card p { color: var(--color-text-soft); margin-bottom: 0; }

/* ─── IMAGE SHOWCASE ─── */
.img-showcase { padding: 16px 0; text-align: center; }
.img-showcase img {
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-glow);
  margin: 0 auto;
}

/* ─── FEATURE GRID ─── */
.feature-grid { display: grid; gap: 20px; margin-top: 24px; }
.feature-grid-4 { grid-template-columns: repeat(4, 1fr); }
.feature-grid-3 { grid-template-columns: repeat(3, 1fr); }
.feature-grid-2 { grid-template-columns: repeat(2, 1fr); }
.feature-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform var(--motion-normal) var(--ease-out), box-shadow var(--motion-normal);
}
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.feature-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--color-text-soft); font-size: .95rem; margin-bottom: 0; }

/* ─── FAQ ─── */
.faq-section { padding: var(--section-y) 0; background: rgba(15,23,42,.3); }
.faq-section .section-title { font-size: var(--fs-h2); font-weight: 800; margin-bottom: 28px; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.faq-item {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.faq-trigger {
  width: 100%; padding: 18px 20px;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: 1rem;
  color: var(--color-text); text-align: left;
  transition: background var(--motion-fast);
}
.faq-trigger:hover { background: rgba(124,58,237,.08); }
.faq-icon { font-size: 1.4rem; transition: transform var(--motion-normal); color: var(--color-accent); }
.faq-trigger[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-answer { display: none; padding: 0 20px 18px; }
.faq-answer p { color: var(--color-text-soft); margin: 0; }
.faq-trigger[aria-expanded="true"] + .faq-answer { display: block; }

/* ─── CTA SECTION ─── */
.final-cta-section { padding: var(--section-y) 0; }
.cta-card {
  background: var(--gradient-cta);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  padding: clamp(32px, 5vw, 56px);
  text-align: center;
  box-shadow: var(--shadow-glow);
}
.cta-card h2 { font-size: var(--fs-h2); font-weight: 800; margin-bottom: 12px; }
.cta-card p { color: var(--color-text-soft); margin-bottom: 24px; max-width: 560px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.site-footer {
  background: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  padding-top: clamp(40px, 5vw, 64px);
  padding-bottom: 24px;
  margin-top: 32px;
}
.footer-grid { display: grid; grid-template-columns: 1fr 2.2fr; gap: 40px; align-items: start; }
.footer-brand p { color: var(--color-footer-text); font-size: .92rem; margin-top: 12px; }
.footer-email { font-size: .88rem; color: var(--color-text-muted); }
.footer-logo-link img { height: 36px; width: auto; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-col h4 { color: var(--color-text); font-size: .9rem; font-weight: 700; margin-bottom: 12px; }
.footer-col a {
  display: block; color: var(--color-footer-text); font-size: .88rem;
  padding: 4px 0; text-decoration: none;
  transition: color var(--motion-fast);
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  margin-top: 32px; padding-top: 16px; text-align: center;
}
.footer-bottom p { color: var(--color-text-muted); font-size: .85rem; }

/* ═══════════════════════════════════════════
   AUTH PAGES (Login/Register)
   ═══════════════════════════════════════════ */
.auth-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
.auth-form-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  padding: 32px;
  box-shadow: var(--shadow-glow);
}
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: .92rem; }
.form-group input {
  width: 100%; padding: 12px 16px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text); font-size: 1rem;
  transition: border-color var(--motion-fast);
}
.form-group input:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px rgba(124,58,237,.2); }
.form-submit {
  width: 100%; padding: 14px;
  background: var(--gradient-button); color: #fff;
  border: none; border-radius: var(--radius-pill);
  font-weight: 700; font-size: 1rem;
  box-shadow: var(--shadow-button);
  transition: transform var(--motion-normal);
}
.form-submit:hover { transform: translateY(-2px); }

.auth-section {
  padding: 0 0 clamp(2rem, 4vw, 3.5rem);
}
.auth-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 24px;
  align-items: start;
}
.auth-card,
.auth-side-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.auth-card {
  padding: clamp(22px, 3vw, 34px);
}
.auth-lead {
  color: var(--color-text-soft);
  margin-bottom: 20px;
}
.account-form {
  display: grid;
  gap: 16px;
}
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.field-group {
  display: grid;
  gap: 8px;
}
.field-group label {
  font-size: .95rem;
  font-weight: 700;
  color: var(--color-text);
}
.field-group input {
  width: 100%;
  min-height: 54px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(2,6,23,.65);
  color: var(--color-text);
  font: inherit;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background var(--motion-fast);
}
.field-group input::placeholder {
  color: var(--color-text-muted);
}
.field-group input:focus {
  outline: none;
  border-color: rgba(124,58,237,.7);
  background: rgba(2,6,23,.9);
  box-shadow: 0 0 0 4px rgba(124,58,237,.12);
}
.form-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.checkbox-line {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-soft);
  font-size: .95rem;
}
.checkbox-line input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--color-primary);
  flex: 0 0 auto;
}
.btn-block {
  width: 100%;
}
.form-links {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  color: var(--color-text-soft);
}
.auth-side {
  display: grid;
  gap: 16px;
}
.auth-side-card {
  padding: 22px;
}
.auth-side-card h3 {
  margin-bottom: 12px;
  font-size: 1.1rem;
}
.auth-side-card p {
  color: var(--color-text-soft);
  margin: 0;
}
.auth-side-muted {
  background: linear-gradient(180deg, rgba(30,41,59,.85), rgba(15,23,42,.92));
}
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  margin-bottom: 12px;
  border-radius: var(--radius-pill);
  background: rgba(124,58,237,.18);
  border: 1px solid rgba(124,58,237,.3);
  color: #ede9fe;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .04em;
}
.trust-list {
  display: grid;
  gap: 10px;
}
.trust-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-text-soft);
}
.trust-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  box-shadow: 0 0 12px rgba(124,58,237,.5);
}

/* ═══════════════════════════════════════════
   POLICY / ABOUT / ARTICLE PAGES
   ═══════════════════════════════════════════ */
.policy-layout { max-width: 860px; margin: 0 auto; }
.policy-toc {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px 24px; margin-bottom: 32px;
}
.policy-toc h3 { font-size: 1rem; margin-bottom: 10px; }
.policy-toc a { display: block; padding: 4px 0; color: var(--color-accent); font-size: .92rem; }
.policy-note {
  background: linear-gradient(90deg, rgba(236,72,153,.1), rgba(124,58,237,.06));
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-md);
  padding: 16px 20px; margin: 20px 0;
}
.article-body { max-width: 800px; }
.article-meta { font-size: .88rem; color: var(--color-text-muted); margin-bottom: 20px; }

/* ═══════════════════════════════════════════
   STEP LIST
   ═══════════════════════════════════════════ */
.step-list { counter-reset: step; }
.step-item {
  display: flex; gap: 16px; margin-bottom: 20px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.step-item::before {
  counter-increment: step;
  content: counter(step);
  flex-shrink: 0; width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-button);
  border-radius: 50%; font-weight: 800; font-size: 1rem; color: #fff;
}
.step-content h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.step-content p { color: var(--color-text-soft); margin: 0; font-size: .95rem; }

/* ═══════════════════════════════════════════
   TABLE
   ═══════════════════════════════════════════ */
.table-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
.data-table th { color: #f5d0fe; background: rgba(124,58,237,.1); font-weight: 700; font-size: .9rem; }
.data-table td { color: var(--color-text-soft); font-size: .92rem; }

/* ═══════════════════════════════════════════
   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);
  }
  .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; gap: clamp(5px, 1.6vw, 8px); }
  .header-actions .btn { min-height: 40px; padding-inline: clamp(10px, 2.6vw, 14px); font-size: clamp(12px, 3.2vw, 14px); }
  .nav-toggle {
    display: inline-flex; flex: 0 0 40px; width: 40px; height: 40px;
    align-items: center; justify-content: center; margin-left: 2px;
    flex-direction: column; gap: 5px;
  }
  .hamburger-line { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--motion-normal); }
}

@media (max-width: 900px) {
  .hero-grid, .content-split, .dual-panel, .auth-layout, .auth-shell, .field-row { grid-template-columns: 1fr; }
  .feature-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .faq-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .feature-grid-4, .feature-grid-3 { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn { width: 100%; text-align: center; }
  .cta-buttons { flex-direction: column; }
  .cta-buttons .btn { width: 100%; }
  .form-meta { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 375px) {
  .site-header .header-inner { padding-left: 8px; padding-right: 8px; gap: 6px; }
  .site-logo { max-width: 104px; }
  .header-actions .btn { min-height: 38px; padding-inline: 9px; font-size: 12px; }
  .nav-toggle { flex-basis: 38px; width: 38px; height: 38px; }
  body { font-size: .95rem; }
}