:root {
  --color-primary: #1a6b4a;
  --color-primary-dark: #145539;
  --color-primary-soft: #e8f5ee;
  --color-secondary: #f0c040;
  --color-accent: #e85d3a;
  --color-bg: #f7f9f8;
  --color-bg-soft: #eef3f0;
  --color-surface: #ffffff;
  --color-surface-strong: #f0f4f2;
  --color-card: #ffffff;
  --color-card-alt: #f8faf9;
  --color-border: rgba(26,107,74,.12);
  --color-border-strong: rgba(26,107,74,.22);
  --color-text: #1a2e23;
  --color-text-soft: #3d5a4a;
  --color-text-muted: #6b8577;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-footer-bg: #0f2e1f;
  --color-footer-text: #c8ddd0;
  --gradient-hero: linear-gradient(135deg, #1a6b4a 0%, #0f4a32 50%, #1a3a2a 100%);
  --gradient-hero-soft: linear-gradient(135deg, #e8f5ee 0%, #d4edda 100%);
  --gradient-button: linear-gradient(135deg, #f0c040 0%, #e8a820 100%);
  --gradient-button-hover: linear-gradient(135deg, #f5d060 0%, #f0c040 100%);
  --gradient-card-border: linear-gradient(135deg, rgba(26,107,74,.2), rgba(240,192,64,.3));
  --gradient-cta: linear-gradient(135deg, #1a6b4a 0%, #22865e 100%);
  --gradient-footer: linear-gradient(180deg, #0f2e1f 0%, #0a1f15 100%);
  --shadow-header: 0 2px 20px rgba(26,107,74,.08);
  --shadow-card: 0 4px 24px rgba(26,107,74,.07);
  --shadow-card-hover: 0 8px 32px rgba(26,107,74,.12);
  --shadow-button: 0 4px 14px rgba(240,192,64,.3);
  --shadow-cta: 0 6px 20px rgba(26,107,74,.15);
  --shadow-soft: 0 2px 12px rgba(0,0,0,.04);
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --radius-pill: 999px;
  --radius-card: 18px;
  --radius-image: 14px;
  --font-base: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, "Noto Sans Bengali", sans-serif;
  --fs-h1: clamp(1.75rem, 3.5vw, 2.8rem);
  --fs-h2: clamp(1.4rem, 2.8vw, 2.2rem);
  --fs-h3: clamp(1.15rem, 2vw, 1.5rem);
  --fs-body: clamp(0.95rem, 1.1vw, 1.05rem);
  --fs-small: 0.875rem;
  --fs-nav: clamp(13px, .84vw, 15px);
  --fs-button: 0.9375rem;
  --lh-heading: 1.3;
  --lh-body: 1.85;
  --container-max: 1200px;
  --container-narrow: 860px;
  --section-y: clamp(3rem, 5vw, 5rem);
  --section-y-sm: clamp(2rem, 3.5vw, 3.5rem);
  --gap-sm: 12px;
  --gap-md: 20px;
  --gap-lg: 32px;
  --header-h: 72px;
  --mobile-header-h: 64px;
  --motion-fast: 150ms;
  --motion-normal: 300ms;
  --motion-slow: 500ms;
  --ease-out: cubic-bezier(.22,1,.36,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  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-primary); text-decoration: none; transition: color var(--motion-fast) ease; }
a:hover { color: var(--color-primary-dark); }

:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}

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

/* ── Header ── */
.site-header {
  position: sticky; top: 0; z-index: 1000; width: 100%;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--motion-normal) ease;
}
.site-header.scrolled { 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);
  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;
  font-weight: 600; white-space: nowrap;
  color: var(--color-text); border-radius: var(--radius-pill);
  transition: all var(--motion-fast) ease;
}
.primary-nav a:hover, .primary-nav a.is-active {
  color: #fff;
  background: var(--color-primary);
}

.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;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px clamp(14px, 1.2vw, 20px);
  font-size: var(--fs-button); font-weight: 700;
  border-radius: var(--radius-pill); border: none; cursor: pointer;
  white-space: nowrap; text-decoration: none;
  transition: all var(--motion-fast) ease;
  min-height: 42px;
}
.btn-login {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-login:hover { background: var(--color-primary-soft); color: var(--color-primary-dark); }
.btn-register {
  background: var(--gradient-button);
  color: #1a2e23; box-shadow: var(--shadow-button);
}
.btn-register:hover { background: var(--gradient-button-hover); transform: translateY(-1px); }

.nav-toggle {
  display: none; flex: 0 0 40px; width: 40px; height: 40px;
  align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  padding: 8px; border-radius: var(--radius-sm);
  margin-left: 2px; position: relative;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text); border-radius: 2px;
  transition: all var(--motion-normal) var(--ease-out);
  position: absolute; left: 9px;
}
.nav-toggle span:nth-child(1) { top: 13px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 25px; }
.nav-toggle.is-active span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none; position: fixed;
  top: var(--mobile-header-h); left: 0; right: 0;
  bottom: 0; z-index: 999;
  background: rgba(255,255,255,.98);
  backdrop-filter: blur(16px);
  overflow-y: auto; padding: 20px;
  transform: translateY(-10px); opacity: 0;
  transition: all var(--motion-normal) var(--ease-out);
}
.mobile-menu.is-open {
  display: flex; flex-direction: column;
  transform: translateY(0); opacity: 1;
}
.mobile-nav {
  display: flex; flex-direction: column; gap: 4px;
}
.mobile-nav a {
  padding: 14px 16px; font-size: 1rem; font-weight: 600;
  color: var(--color-text); border-radius: var(--radius-sm);
  transition: background var(--motion-fast) ease;
}
.mobile-nav a:hover, .mobile-nav a.is-active {
  background: var(--color-primary-soft); color: var(--color-primary);
}

@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);
    min-height: var(--mobile-header-h);
    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; }
}

@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; }
}

/* ── Sections ── */
.section { padding: var(--section-y) 0; }
.section-alt { background: var(--color-surface-strong); }
.section-dark { background: var(--gradient-hero); color: #fff; }
.section-sm { padding: var(--section-y-sm) 0; }

.section-title {
  font-size: var(--fs-h2); font-weight: 800;
  line-height: var(--lh-heading); margin-bottom: 1rem;
}
.section-subtitle {
  color: var(--color-text-muted); max-width: 720px;
  margin-bottom: 2rem;
}

/* ── Hero (variants) ── */
.home-hero {
  background: var(--gradient-hero);
  color: #fff; padding: clamp(3rem, 6vw, 5rem) 0;
  position: relative; overflow: hidden;
}
.home-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(240,192,64,.15), transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(34,134,94,.2), transparent 50%);
  pointer-events: none;
}
.home-hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg); align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(240,192,64,.15); color: var(--color-secondary);
  border-radius: var(--radius-pill); padding: .45rem 1rem;
  font-weight: 700; font-size: var(--fs-small); margin-bottom: 1.2rem;
  border: 1px solid rgba(240,192,64,.25);
}
.hero-title { font-size: var(--fs-h1); font-weight: 800; line-height: 1.2; margin-bottom: 1.2rem; }
.hero-lead { font-size: 1.05rem; line-height: 1.75; opacity: .9; margin-bottom: 1.8rem; max-width: 540px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-cta .btn-register { font-size: 1rem; padding: 14px 28px; }
.hero-cta .btn-login { color: #fff; border-color: rgba(255,255,255,.4); }
.hero-cta .btn-login:hover { background: rgba(255,255,255,.1); }

.hero-visual { display: flex; justify-content: center; }
.hero-visual img { border-radius: var(--radius-lg); box-shadow: 0 20px 60px rgba(0,0,0,.25); max-height: 420px; object-fit: cover; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { margin-top: 2rem; }
  .hero-visual img { max-height: 280px; }
}

/* ── Inner page entry (breadcrumb + title) ── */
.page-entry {
  background: var(--gradient-hero); color: #fff;
  padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(2rem, 4vw, 3rem);
  position: relative;
}
.page-entry::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(to top, var(--color-bg), transparent);
  pointer-events: none;
}
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 6px;
  font-size: var(--fs-small); margin-bottom: 1rem; opacity: .8;
}
.breadcrumb a { color: var(--color-secondary); }
.breadcrumb span { color: rgba(255,255,255,.5); }
.page-entry h1 { font-size: var(--fs-h1); font-weight: 800; line-height: 1.2; }
.page-entry .entry-lead { font-size: 1.05rem; opacity: .85; max-width: 640px; margin-top: 1rem; line-height: 1.7; }

/* ── 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-radius: var(--radius-card);
  padding: clamp(20px, 2.5vw, 28px); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  transition: all var(--motion-normal) var(--ease-out);
}
.feature-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
  border-color: var(--color-border-strong);
}
.feature-icon {
  width: 52px; height: 52px; border-radius: var(--radius-sm);
  background: var(--color-primary-soft); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; margin-bottom: 1rem;
}
.feature-card h3 { font-size: var(--fs-h3); font-weight: 700; margin-bottom: .5rem; }

.trust-card {
  background: linear-gradient(135deg, var(--color-primary-soft), #fff);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card); padding: clamp(18px, 2vw, 24px);
}

.step-card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--color-card); border-radius: var(--radius-card);
  padding: 20px; border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}
.step-number {
  flex: 0 0 44px; width: 44px; height: 44px;
  background: var(--gradient-cta); color: #fff;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem;
}

.info-card {
  background: var(--color-card-alt);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 20px 24px;
}

@media (max-width: 900px) {
  .card-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .card-grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .card-grid-4, .card-grid-2 { grid-template-columns: 1fr; }
}

/* ── Content blocks ── */
.content-split { display: grid; grid-template-columns: 1.1fr .9fr; gap: var(--gap-lg); align-items: start; }
.content-split-reverse { grid-template-columns: .9fr 1.1fr; }
@media (max-width: 900px) { .content-split, .content-split-reverse { grid-template-columns: 1fr; } }

.prose { max-width: var(--container-narrow); }
.prose h2 { font-size: var(--fs-h2); font-weight: 800; line-height: var(--lh-heading); margin: 2.5rem 0 1rem; }
.prose h3 { font-size: var(--fs-h3); font-weight: 700; line-height: 1.35; margin: 2rem 0 .8rem; }
.prose p { margin-bottom: 1.1rem; line-height: var(--lh-body); }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
.prose li { margin-bottom: .5rem; line-height: 1.7; }
.prose img { border-radius: var(--radius-image); margin: 1.5rem 0; box-shadow: var(--shadow-card); }

.content-image {
  border-radius: var(--radius-image);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.content-image img { width: 100%; height: auto; display: block; }

/* ── CTA ── */
.cta-section {
  background: var(--gradient-cta); color: #fff;
  padding: clamp(2.5rem, 4vw, 4rem) 0; text-align: center;
  border-radius: var(--radius-lg); margin: var(--section-y) auto;
  max-width: var(--container-max);
}
.cta-section h2 { font-size: var(--fs-h2); font-weight: 800; margin-bottom: 1rem; }
.cta-section p { opacity: .9; max-width: 600px; margin: 0 auto 1.5rem; }
.cta-buttons { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cta-buttons .btn-register { background: var(--gradient-button); color: #1a2e23; }
.cta-buttons .btn-login { color: #fff; border-color: rgba(255,255,255,.4); }

/* Inline CTA */
.inline-cta {
  background: var(--color-primary-soft);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-card); padding: clamp(20px, 3vw, 32px);
  display: flex; flex-wrap: wrap; align-items: center; gap: 20px;
  margin: 2rem 0;
}
.inline-cta .cta-text { flex: 1 1 300px; }
.inline-cta .cta-action { flex: 0 0 auto; }

/* ── FAQ ── */
.faq-group { max-width: var(--container-narrow); margin: 0 auto; }
.faq-item {
  background: var(--color-card); border: 1px solid var(--color-border);
  border-radius: var(--radius-card); margin-bottom: 12px; overflow: hidden;
  transition: border-color var(--motion-fast) ease;
}
.faq-item.is-open { border-color: var(--color-primary); }
.faq-question {
  width: 100%; padding: 18px 24px; border: none; background: none;
  text-align: left; font-size: 1rem; font-weight: 700;
  color: var(--color-text); cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  font-family: inherit; line-height: 1.5;
}
.faq-question::after {
  content: '+'; font-size: 1.3rem; font-weight: 700;
  color: var(--color-primary); transition: transform var(--motion-normal) ease;
  flex-shrink: 0;
}
.faq-item.is-open .faq-question::after { content: '\2212'; transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; padding: 0 24px;
  transition: all var(--motion-normal) var(--ease-out);
}
.faq-item.is-open .faq-answer {
  max-height: 800px; padding: 0 24px 20px;
}
.faq-answer p { color: var(--color-text-soft); line-height: 1.8; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 1.5rem 0; }
.data-table {
  width: 100%; border-collapse: collapse; min-width: 500px;
  background: var(--color-card); border-radius: var(--radius-sm); overflow: hidden;
}
.data-table th {
  background: var(--color-primary); color: #fff;
  padding: 14px 18px; font-weight: 700; text-align: left;
}
.data-table td {
  padding: 12px 18px; border-bottom: 1px solid var(--color-border);
}
.data-table tr:last-child td { border-bottom: none; }

/* ── Auth forms ── */
.auth-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap-lg);
  align-items: start;
}
.auth-form-card {
  background: var(--color-card); border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 40px); box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border);
}
.form-group { margin-bottom: 1.2rem; }
.form-label { display: block; font-weight: 600; margin-bottom: .4rem; font-size: var(--fs-small); }
.form-input {
  width: 100%; padding: 12px 16px; border: 2px solid var(--color-border);
  border-radius: var(--radius-sm); font-size: 1rem; font-family: inherit;
  transition: border-color var(--motion-fast) ease;
  background: var(--color-bg);
}
.form-input:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px rgba(26,107,74,.1); }
.auth-submit {
  width: 100%; padding: 14px; font-size: 1rem; font-weight: 700;
  background: var(--gradient-button); color: #1a2e23;
  border: none; border-radius: var(--radius-pill); cursor: pointer;
  transition: all var(--motion-fast) ease;
}
.auth-submit:hover { box-shadow: var(--shadow-button); transform: translateY(-1px); }
.auth-submit.is-loading { opacity: .6; pointer-events: none; }

.auth-info-panel {
  display: flex; flex-direction: column; gap: 20px;
}
.auth-trust-card {
  background: var(--color-primary-soft); border-radius: var(--radius-card);
  padding: 20px; border: 1px solid var(--color-border);
}
.auth-step-list { list-style: none; padding: 0; }
.auth-step-list li {
  padding: 10px 0; border-bottom: 1px solid var(--color-border);
  display: flex; gap: 12px; align-items: flex-start;
}
.auth-step-list li:last-child { border-bottom: none; }

@media (max-width: 900px) { .auth-layout { grid-template-columns: 1fr; } }

/* ── Policy pages ── */
.policy-layout { display: grid; grid-template-columns: 240px 1fr; gap: var(--gap-lg); align-items: start; }
.policy-toc {
  position: sticky; top: calc(var(--header-h) + 20px);
  background: var(--color-card); border-radius: var(--radius-card);
  padding: 20px; border: 1px solid var(--color-border);
}
.policy-toc h4 { font-size: var(--fs-small); font-weight: 700; margin-bottom: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--color-text-muted); }
.policy-toc a { display: block; padding: 8px 0; font-size: var(--fs-small); color: var(--color-text-soft); border-bottom: 1px solid var(--color-border); }
.policy-toc a:last-child { border-bottom: none; }
.policy-toc a:hover { color: var(--color-primary); }
.policy-note {
  background: linear-gradient(135deg, #fef3cd, #fff8e5);
  border: 1px solid #f0d68a; border-radius: var(--radius-sm);
  padding: 16px 20px; margin: 1.5rem 0;
}
.policy-warning {
  background: linear-gradient(135deg, #fee2e2, #fff5f5);
  border: 1px solid #fca5a5; border-radius: var(--radius-sm);
  padding: 16px 20px; margin: 1.5rem 0;
}
@media (max-width: 900px) { .policy-layout { grid-template-columns: 1fr; } .policy-toc { position: static; } }

/* ── Article ── */
.article-shell { display: grid; grid-template-columns: 1fr 320px; gap: var(--gap-lg); align-items: start; }
.article-body { max-width: none; }
.article-cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 2rem; box-shadow: var(--shadow-card); }
.article-meta { display: flex; gap: 16px; align-items: center; margin-bottom: 1.5rem; color: var(--color-text-muted); font-size: var(--fs-small); }
.article-sidebar {
  position: sticky; top: calc(var(--header-h) + 20px);
  display: flex; flex-direction: column; gap: 20px;
}
.article-related {
  background: var(--color-card); border-radius: var(--radius-card);
  padding: 20px; border: 1px solid var(--color-border);
}
@media (max-width: 900px) { .article-shell { grid-template-columns: 1fr; } .article-sidebar { position: static; } }

/* ── Footer ── */
.site-footer { background: var(--gradient-footer); color: var(--color-footer-text); padding-top: clamp(3rem, 5vw, 5rem); }
.footer-inner {
  max-width: var(--container-max); margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 24px);
  display: grid; grid-template-columns: 1fr 2fr; gap: var(--gap-lg);
}
.footer-logo { height: 38px; width: auto; margin-bottom: 1rem; opacity: .9; }
.footer-desc { font-size: var(--fs-small); line-height: 1.7; opacity: .8; margin-bottom: .8rem; }
.footer-email { font-size: var(--fs-small); opacity: .7; }
.footer-email a { color: var(--color-secondary); }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap-md); }
.footer-col h4 {
  font-size: var(--fs-small); font-weight: 700; margin-bottom: 14px;
  color: var(--color-secondary); text-transform: uppercase; letter-spacing: .5px;
}
.footer-col a {
  display: block; padding: 5px 0; font-size: var(--fs-small);
  color: var(--color-footer-text); opacity: .75;
  transition: opacity var(--motion-fast) ease;
}
.footer-col a:hover { opacity: 1; color: #fff; }
.footer-bottom {
  max-width: var(--container-max); margin: 0 auto;
  padding: 1.5rem clamp(16px, 4vw, 24px);
  margin-top: 3rem; border-top: 1px solid rgba(255,255,255,.1);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px;
  font-size: var(--fs-small); opacity: .6;
}

@media (max-width: 900px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) { .footer-links { grid-template-columns: 1fr; } }

/* ── Back to top ── */
.back-to-top {
  position: fixed; bottom: 90px; right: 20px; z-index: 900;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  border: none; cursor: pointer; font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: translateY(10px);
  transition: all var(--motion-normal) ease;
  box-shadow: var(--shadow-cta);
}
.back-to-top.is-visible { opacity: 1; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-dark); }

/* ── Swiper fallback ── */
.swiper:not(.swiper-initialized) { overflow-x: auto; display: flex; gap: 16px; scroll-snap-type: x mandatory; }
.swiper:not(.swiper-initialized) .swiper-slide { flex: 0 0 80%; scroll-snap-align: start; }

/* ── AOS fallback ── */
[data-aos] { opacity: 1 !important; transform: none !important; }
.aos-animate { opacity: 1 !important; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-sm { gap: var(--gap-sm); }