:root {
  --isa-navy: #0c1e35;
  --isa-navy-mid: #152a47;
  --isa-navy-light: #1e3a5f;
  --isa-blue: #2563eb;
  --isa-accent: #29a30e;
  --isa-accent-dark: #217a0a;
  --isa-teal: #0d9488;
  --isa-ink: #0f172a;
  --isa-muted: #64748b;
  --isa-line: #e2e8f0;
  --isa-soft: #f8fafc;
  --isa-muted-bg: #f1f5f9;
  --isa-nav-h: 78px;
  --isa-max: 1200px;
  --isa-pad: clamp(16px, 4vw, 24px);
  --isa-radius: 12px;
  --isa-radius-lg: 16px;
  --isa-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --isa-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --isa-shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--isa-ink);
  background: #fff;
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--isa-max);
  margin: 0 auto;
  padding-left: var(--isa-pad);
  padding-right: var(--isa-pad);
}

/* —— Header —— */
.isa-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--isa-line);
  backdrop-filter: blur(12px);
  box-shadow: var(--isa-shadow-sm);
}

.isa-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--isa-nav-h);
}

.isa-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  flex-shrink: 0;
}

.isa-brand img {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
}

.isa-brand-copy {
  min-width: 0;
}

.isa-brand-copy strong {
  display: block;
  font-size: clamp(15px, 2.5vw, 17px);
  font-weight: 800;
  color: var(--isa-navy);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.isa-brand-copy span {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  font-weight: 600;
  color: var(--isa-muted);
}

.isa-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--isa-line);
  border-radius: 10px;
  background: #fff;
  color: var(--isa-navy);
  font-size: 22px;
  cursor: pointer;
}

.isa-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.isa-nav-links,
.isa-nav-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.isa-nav a {
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  color: #334155;
  border-radius: 8px;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.isa-nav-links a.is-active {
  background: rgba(12, 30, 53, 0.06);
  color: var(--isa-navy);
}

.isa-nav a:hover {
  background: var(--isa-muted-bg);
  color: var(--isa-navy);
}

.isa-nav-login {
  border: 1px solid var(--isa-line) !important;
}

.isa-nav-apply {
  background: var(--isa-accent) !important;
  color: #fff !important;
  box-shadow: 0 4px 14px rgba(41, 163, 14, 0.25);
}

.isa-nav-apply:hover {
  background: var(--isa-accent-dark) !important;
  color: #fff !important;
}

@media (max-width: 1100px) {
  .isa-nav a {
    padding: 9px 10px;
    font-size: 13px;
  }
}

/* —— Buttons —— */
.isa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
}

.isa-btn:hover {
  transform: translateY(-1px);
}

.isa-btn-lg {
  min-height: 48px;
  padding: 13px 22px;
  font-size: 15px;
}

.isa-btn-accent {
  background: var(--isa-accent);
  color: #fff;
  box-shadow: 0 6px 18px rgba(41, 163, 14, 0.22);
}

.isa-btn-accent:hover {
  background: var(--isa-accent-dark);
  color: #fff;
}

.isa-btn-outline {
  background: #fff;
  color: var(--isa-navy);
  border-color: var(--isa-line);
  box-shadow: var(--isa-shadow-sm);
}

.isa-btn-outline:hover {
  border-color: #cbd5e1;
  background: var(--isa-soft);
}

.isa-btn-white {
  background: #fff;
  color: var(--isa-navy);
  box-shadow: var(--isa-shadow);
}

.isa-btn-ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.isa-btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.isa-btn-block {
  width: 100%;
  margin-top: auto;
}

/* —— Hero —— */
.isa-hero {
  padding: clamp(36px, 5vw, 56px) 0 clamp(24px, 3vw, 32px);
  background:
    radial-gradient(ellipse 60% 50% at 100% 0%, rgba(37, 99, 235, 0.06), transparent 55%),
    linear-gradient(180deg, var(--isa-soft) 0%, #fff 100%);
  border-bottom: 1px solid var(--isa-line);
}

.isa-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.isa-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: rgba(12, 30, 53, 0.06);
  color: var(--isa-navy-mid);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.isa-kicker i {
  color: var(--isa-accent);
  font-size: 12px;
}

.isa-kicker-light {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.92);
}

.isa-hero-copy h1 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--isa-navy);
}

.isa-lead {
  margin: 0 0 22px;
  max-width: 520px;
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--isa-muted);
  line-height: 1.65;
}

.isa-trust-list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
  max-width: 480px;
}

.isa-trust-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #334155;
}

.isa-trust-list i {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--isa-line);
  color: var(--isa-navy-light);
  font-size: 14px;
  flex-shrink: 0;
}

.isa-trust-list li:nth-child(4n) i,
.isa-trust-list li:nth-child(4n + 1) i {
  color: var(--isa-accent);
}

.isa-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.isa-hero-stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 40px;
  padding-top: 20px;
  border-top: 1px solid var(--isa-line);
  text-align: center;
}

.isa-hero-stats div {
  min-width: 0;
}

.isa-hero-stats strong {
  display: block;
  font-size: 22px;
  font-weight: 800;
  color: var(--isa-navy);
  line-height: 1.1;
}

.isa-hero-stats span {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  font-weight: 600;
  color: var(--isa-muted);
}

/* Portal preview card */
.isa-portal-card {
  background: #fff;
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius-lg);
  box-shadow: var(--isa-shadow-lg);
  overflow: hidden;
}

.isa-portal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: linear-gradient(135deg, var(--isa-navy) 0%, var(--isa-navy-mid) 100%);
  color: #fff;
}

.isa-portal-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.isa-portal-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.isa-portal-brand strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
}

.isa-portal-brand span {
  display: block;
  font-size: 11px;
  opacity: 0.75;
  font-weight: 500;
}

.isa-portal-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 11px;
  font-weight: 600;
  flex-shrink: 0;
}

.isa-portal-status i {
  font-size: 7px;
  color: #4ade80;
}

.isa-portal-body {
  padding: 18px;
  display: grid;
  gap: 16px;
}

.isa-portal-course {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.isa-portal-thumb {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  background: var(--isa-navy);
}

.isa-portal-thumb img,
.isa-portal-thumb .isa-course-thumb {
  width: 100%;
  height: 100%;
}

.isa-portal-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--isa-accent);
  margin-bottom: 4px;
}

.isa-portal-course h2 {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  color: var(--isa-navy);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.isa-portal-course p {
  margin: 0;
  font-size: 12px;
  color: var(--isa-muted);
}

.isa-portal-progress-top {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
  color: var(--isa-muted);
}

.isa-portal-progress-top strong {
  color: var(--isa-navy);
  font-weight: 700;
}

.isa-progress-bar {
  height: 6px;
  border-radius: 999px;
  background: var(--isa-muted-bg);
  overflow: hidden;
}

.isa-progress-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--isa-accent), var(--isa-teal));
}

.isa-portal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.isa-portal-tags span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--isa-soft);
  border: 1px solid var(--isa-line);
  font-size: 11px;
  font-weight: 600;
  color: #475569;
}

.isa-portal-tags i {
  color: var(--isa-navy-light);
  font-size: 12px;
}

.isa-hero-bar {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(28px, 4vw, 36px);
  background: var(--isa-line);
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius);
  overflow: hidden;
}

.isa-hero-bar > div {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: #fff;
  min-width: 0;
}

.isa-hero-bar > div > i {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--isa-muted-bg);
  color: var(--isa-navy-light);
  font-size: 16px;
  flex-shrink: 0;
}

.isa-hero-bar strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--isa-navy);
  margin-bottom: 2px;
}

.isa-hero-bar span {
  display: block;
  font-size: 11px;
  color: var(--isa-muted);
  line-height: 1.4;
}

/* —— Sections —— */
.isa-section {
  padding: clamp(48px, 6vw, 72px) 0;
}

.isa-section-muted {
  background: var(--isa-soft);
  border-top: 1px solid var(--isa-line);
  border-bottom: 1px solid var(--isa-line);
}

.isa-section-head {
  max-width: 640px;
  margin-bottom: 32px;
}

.isa-section-head-row {
  max-width: none;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.isa-section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.5vw, 34px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--isa-navy);
  line-height: 1.15;
}

.isa-section-head p {
  margin: 0;
  font-size: 16px;
  color: var(--isa-muted);
  line-height: 1.65;
  max-width: 560px;
}

.isa-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.isa-feature-card {
  background: #fff;
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius-lg);
  padding: 24px;
  box-shadow: var(--isa-shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
}

.isa-feature-card:hover {
  box-shadow: var(--isa-shadow);
  transform: translateY(-2px);
}

.isa-feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--isa-navy) 0%, var(--isa-navy-light) 100%);
  color: #fff;
  font-size: 20px;
  margin-bottom: 16px;
}

.isa-feature-card h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--isa-navy);
}

.isa-feature-card p {
  margin: 0;
  font-size: 14px;
  color: var(--isa-muted);
  line-height: 1.65;
}

/* —— Course cards —— */
.isa-course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.isa-course-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius-lg);
  overflow: hidden;
  box-shadow: var(--isa-shadow-sm);
  transition: box-shadow 0.2s, transform 0.2s;
  height: 100%;
}

.isa-course-card:hover {
  box-shadow: var(--isa-shadow-lg);
  transform: translateY(-3px);
}

.isa-course-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--isa-navy);
  flex-shrink: 0;
}

.isa-course-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.isa-course-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 20px;
  gap: 8px;
}

.isa-course-code {
  display: inline-block;
  width: fit-content;
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--isa-muted-bg);
  color: var(--isa-navy-light);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.isa-course-content h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--isa-navy);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.isa-course-content > p {
  margin: 0;
  font-size: 14px;
  color: var(--isa-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.isa-course-meta {
  list-style: none;
  margin: 4px 0 12px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
}

.isa-course-meta li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: #475569;
}

.isa-course-meta i {
  color: var(--isa-muted);
  font-size: 13px;
}

/* —— Professional course thumbnails —— */
.isa-course-thumb {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.isa-course-thumb-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, var(--isa-navy-light) 0%, var(--isa-navy) 55%, #081528 100%);
}

.isa-course-thumb-accent {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--isa-accent), var(--isa-teal));
}

.isa-course-thumb-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px 16px;
  width: 100%;
}

.isa-course-thumb-label {
  display: inline-block;
  padding: 4px 10px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.85);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.isa-course-thumb-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 10px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 26px;
}

.isa-course-thumb-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.isa-course-thumb-extras {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.isa-course-thumb-extras span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.55);
  font-size: 14px;
}

.isa-course-thumb--compact {
  min-height: 72px;
}

.isa-course-thumb--compact .isa-course-thumb-inner {
  padding: 8px;
}

.isa-course-thumb--compact .isa-course-thumb-label,
.isa-course-thumb--compact .isa-course-thumb-title,
.isa-course-thumb--compact .isa-course-thumb-extras {
  display: none;
}

.isa-course-thumb--compact .isa-course-thumb-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto;
  font-size: 18px;
  border-radius: 10px;
}

.isa-course-thumb--shopify .isa-course-thumb-icon { color: #86efac; }
.isa-course-thumb--youtube .isa-course-thumb-icon { color: #fca5a5; }
.isa-course-thumb--ai-kids .isa-course-thumb-icon { color: #c4b5fd; }
.isa-course-thumb--marketing .isa-course-thumb-icon { color: #7dd3fc; }
.isa-course-thumb--social .isa-course-thumb-icon { color: #93c5fd; }
.isa-course-thumb--freelance .isa-course-thumb-icon { color: #6ee7b7; }
.isa-course-thumb--web .isa-course-thumb-icon { color: #5eead4; }

/* —— Workflow steps —— */
.isa-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.isa-step-card {
  background: #fff;
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius-lg);
  padding: 22px;
  box-shadow: var(--isa-shadow-sm);
}

.isa-step-num {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--isa-navy);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 14px;
}

.isa-step-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--isa-navy);
}

.isa-step-card p {
  margin: 0;
  font-size: 14px;
  color: var(--isa-muted);
  line-height: 1.6;
}

/* —— CTA —— */
.isa-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  flex-wrap: wrap;
  padding: clamp(28px, 4vw, 40px);
  border-radius: var(--isa-radius-lg);
  background: linear-gradient(135deg, var(--isa-navy) 0%, var(--isa-navy-mid) 100%);
  color: #fff;
  box-shadow: var(--isa-shadow-lg);
}

.isa-cta h2 {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: #fff;
}

.isa-cta p {
  margin: 0;
  max-width: 520px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.65;
}

.isa-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* —— Footer —— */
.isa-footer {
  background: linear-gradient(180deg, var(--isa-navy) 0%, #081528 100%);
  color: #94a3b8;
  padding-top: clamp(40px, 5vw, 56px);
}

.isa-footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding-bottom: 32px;
}

.isa-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: #fff;
}

.isa-footer-brand img {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  object-fit: cover;
}

.isa-footer-brand strong {
  font-size: 15px;
  font-weight: 800;
}

.isa-footer-about p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  max-width: 320px;
}

.isa-footer-campuses {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.isa-footer-campuses li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: #cbd5e1;
}

.isa-footer-campuses i {
  color: var(--isa-accent);
  font-size: 13px;
}

.isa-footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.isa-footer-col strong {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 4px;
}

.isa-footer-col a {
  font-size: 14px;
  font-weight: 500;
  color: #cbd5e1;
  transition: color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.isa-footer-col a:hover {
  color: #fff;
}

.isa-footer-col a .bi-whatsapp {
  color: #25d366;
}

.isa-footer-bottom {
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  color: #64748b;
}

/* —— Homepage policy section —— */
#policy {
  scroll-margin-top: calc(var(--isa-nav-h) + 16px);
}

#faq {
  scroll-margin-top: calc(var(--isa-nav-h) + 16px);
}

.isa-faq-list {
  display: grid;
  gap: 12px;
  max-width: 900px;
}

.isa-faq-item {
  background: #fff;
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius);
  padding: 0 18px;
  box-shadow: var(--isa-shadow-sm);
}

.isa-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--isa-navy);
  line-height: 1.45;
}

.isa-faq-item summary::-webkit-details-marker {
  display: none;
}

.isa-faq-item summary::after {
  content: "+";
  float: right;
  font-size: 18px;
  font-weight: 800;
  color: var(--isa-muted);
}

.isa-faq-item[open] summary::after {
  content: "−";
}

.isa-faq-item p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--isa-muted);
}

.isa-policy-panel {
  display: grid;
  gap: 18px;
  width: 100%;
  max-width: 900px;
  min-width: 0;
}

.isa-policy-block {
  background: #fff;
  border: 1px solid var(--isa-line);
  border-radius: var(--isa-radius-lg);
  padding: clamp(20px, 3vw, 26px);
  box-shadow: var(--isa-shadow-sm);
  min-width: 0;
}

.isa-policy-block h3 {
  margin: 0 0 10px;
  font-size: clamp(16px, 2.5vw, 17px);
  font-weight: 800;
  color: var(--isa-navy);
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
  line-height: 1.35;
}

.isa-policy-block h3 i {
  color: var(--isa-accent);
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.isa-policy-block p {
  margin: 0 0 10px;
  font-size: clamp(14px, 2vw, 15px);
  color: #475569;
  line-height: 1.7;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.isa-policy-block p:last-child {
  margin-bottom: 0;
}

.isa-policy-block-highlight {
  border-color: #fcd34d;
  background: linear-gradient(180deg, #fffbeb 0%, #fff 100%);
}

.isa-policy-block-highlight p strong {
  color: var(--isa-navy);
  display: inline;
}

/* —— WhatsApp FAB —— */
.isa-whatsapp-fab {
  position: fixed;
  right: clamp(14px, 3vw, 20px);
  bottom: clamp(16px, 3vw, 22px);
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 10px;
}

.isa-whatsapp-fab a {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  font-size: 26px;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.15s;
}

.isa-whatsapp-fab a:hover {
  transform: scale(1.05);
  color: #fff;
}

.isa-whatsapp-tip {
  display: none;
  padding: 8px 12px;
  border-radius: 8px;
  background: #fff;
  color: var(--isa-navy);
  font-size: 12px;
  font-weight: 700;
  box-shadow: var(--isa-shadow);
  white-space: nowrap;
}

.isa-whatsapp-fab:hover .isa-whatsapp-tip {
  display: block;
}

/* —— Responsive —— */
@media (max-width: 1023px) {
  .isa-hero-grid {
    grid-template-columns: 1fr;
  }

  .isa-hero-preview {
    order: -1;
    max-width: 480px;
  }

  .isa-feature-grid,
  .isa-course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .isa-steps-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .isa-hero-bar {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .isa-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .isa-footer-about {
    grid-column: 1 / -1;
  }

  #policy .isa-policy-panel {
    max-width: none;
  }

  #policy .isa-section-head {
    max-width: none;
  }
}

@media (max-width: 991px) {
  .isa-nav-toggle {
    display: inline-flex;
  }

  .isa-header {
    position: sticky;
  }

  .isa-header-inner {
    position: static;
    flex-wrap: nowrap;
  }

  .isa-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 101;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    padding: 14px var(--isa-pad) 18px;
    background: #fff;
    border-bottom: 1px solid var(--isa-line);
    box-shadow: var(--isa-shadow);
  }

  .isa-nav.is-open {
    display: flex;
  }

  .isa-nav-links,
  .isa-nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    width: 100%;
  }

  .isa-nav-actions {
    padding-top: 12px;
    border-top: 1px solid var(--isa-line);
  }

  .isa-nav a {
    width: 100%;
    text-align: center;
    padding: 12px;
  }

  .isa-nav-login,
  .isa-nav-apply {
    margin-left: 0 !important;
  }
}

@media (max-width: 767px) {
  :root {
    --isa-nav-h: 68px;
  }

  .isa-brand img {
    width: 48px;
    height: 48px;
  }

  .isa-trust-list {
    grid-template-columns: 1fr;
  }

  .isa-hero-actions .isa-btn {
    flex: 1 1 100%;
  }

  .isa-hero-bar {
    grid-template-columns: 1fr;
  }

  .isa-feature-grid,
  .isa-course-grid,
  .isa-steps-grid {
    grid-template-columns: 1fr;
  }

  .isa-section-head-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .isa-section-head-row .isa-btn {
    width: 100%;
  }

  .isa-cta {
    flex-direction: column;
    align-items: flex-start;
  }

  .isa-cta-actions {
    width: 100%;
  }

  .isa-cta-actions .isa-btn {
    flex: 1 1 auto;
    min-width: 0;
  }

  .isa-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  #policy {
    padding-top: 40px;
    padding-bottom: 40px;
  }

  #policy .isa-section-head {
    max-width: none;
    margin-bottom: 22px;
  }

  #policy .isa-section-head h2 {
    font-size: clamp(22px, 6vw, 28px);
    overflow-wrap: anywhere;
  }

  #policy .isa-section-head p {
    max-width: none;
    font-size: 14px;
  }

  #policy .isa-policy-panel {
    gap: 14px;
    max-width: none;
  }

  #policy .isa-policy-block {
    padding: 16px;
    border-radius: var(--isa-radius);
  }

  #policy .isa-policy-block h3 {
    font-size: 15px;
  }

  #policy .isa-policy-block p {
    font-size: 14px;
    line-height: 1.65;
  }

  #policy .isa-kicker {
    font-size: 10px;
    padding: 5px 10px;
  }

  #faq .isa-section-head {
    margin-bottom: 22px;
  }

  .isa-faq-item {
    padding: 0 14px;
  }

  .isa-faq-item summary {
    font-size: 14px;
    padding: 14px 0;
  }

  .isa-whatsapp-fab {
    bottom: max(16px, env(safe-area-inset-bottom));
  }

  .isa-whatsapp-fab a {
    width: 48px;
    height: 48px;
    font-size: 24px;
  }
}

@media (min-width: 768px) {
  .isa-header-inner {
    flex-wrap: nowrap;
  }
}