/* ============================================================
   FcpsWorld Design System — Glassmorphism + Medical Professional
   ============================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --color-primary: #0a3d62;
  --color-primary-light: #1e6f9f;
  --color-primary-dark: #062740;
  --color-accent: #00b894;
  --color-accent-light: #55efc4;
  --color-accent-dark: #009975;
  --color-secondary: #6c5ce7;
  --color-secondary-light: #a29bfe;
  --color-gold: #f9ca24;
  --color-danger: #d63031;
  --color-warning: #fdcb6e;
  --color-success: #00b894;
  --color-info: #74b9ff;

  --color-bg: #0c1426;
  --color-bg-alt: #101d35;
  --color-bg-card: rgba(255, 255, 255, 0.05);
  --color-surface: rgba(255, 255, 255, 0.08);
  --color-surface-hover: rgba(255, 255, 255, 0.12);
  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-strong: rgba(255, 255, 255, 0.18);

  --color-text: #f0f2f5;
  --color-text-secondary: #a0aec0;
  --color-text-muted: #718096;
  --color-heading: #ffffff;

  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-strong: rgba(255, 255, 255, 0.1);
  --glass-blur: 20px;
  --glass-border: 1px solid rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.35);
  --shadow-glow-accent: 0 0 40px rgba(0, 184, 148, 0.15);
  --shadow-glow-primary: 0 0 40px rgba(30, 111, 159, 0.2);

  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  --container-max: 1200px;
  --container-narrow: 800px;
  --nav-height: 72px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(10, 61, 98, 0.4) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(0, 184, 148, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 0%, rgba(108, 92, 231, 0.1) 0%, transparent 40%);
  pointer-events: none;
  z-index: 0;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-light);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: 1.25;
  font-weight: 700;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 1.5rem; }

/* ---------- Utility ---------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.section--tight { padding: 48px 0; }

.text-center { text-align: center; }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* ---------- Section Header ---------- */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(0, 184, 148, 0.12);
  border: 1px solid rgba(0, 184, 148, 0.25);
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

/* ---------- Glass Card ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

.glass--strong {
  background: var(--glass-bg-strong);
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
  padding: 32px;
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl), var(--shadow-glow-accent);
  background: var(--glass-bg-strong);
}

.glass-card--flat {
  transition: background var(--transition-fast);
}

.glass-card--flat:hover {
  transform: none;
  box-shadow: var(--glass-shadow);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 184, 148, 0.3);
}

.btn--primary:hover {
  background: linear-gradient(135deg, var(--color-accent-light), var(--color-accent));
  color: #fff;
  box-shadow: 0 6px 24px rgba(0, 184, 148, 0.45);
  transform: translateY(-2px);
}

.btn--secondary {
  background: var(--glass-bg-strong);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
}

.btn--secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-heading);
  transform: translateY(-2px);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
}

.btn--outline:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

.btn--lg {
  padding: 16px 36px;
  font-size: 1rem;
  min-height: 56px;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.875rem;
  min-height: 40px;
}

.btn--icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-md);
}

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  transition: background var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
  background: rgba(12, 20, 38, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--color-heading);
  text-decoration: none;
  z-index: 1001;
}

.navbar__logo span {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar__logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: #fff;
  font-weight: 800;
  -webkit-text-fill-color: #fff;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.navbar__nav a {
  display: flex;
  align-items: center;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.navbar__nav a:hover,
.navbar__nav a.active {
  color: var(--color-heading);
  background: rgba(255, 255, 255, 0.06);
}

.navbar__nav a.active {
  color: var(--color-accent);
}

.navbar__cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
}

.navbar__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-fast);
  margin: 6px auto;
}

.navbar__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 6px);
}

.navbar__toggle.active span:nth-child(2) {
  opacity: 0;
}

.navbar__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -6px);
}

/* ---------- Hero Section ---------- */
.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-height);
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 184, 148, 0.2) 0%, transparent 70%);
  top: 10%;
  right: -10%;
  animation: float 8s ease-in-out infinite;
}

.hero__bg::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.15) 0%, transparent 70%);
  bottom: 10%;
  left: -5%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: rgba(0, 184, 148, 0.1);
  border: 1px solid rgba(0, 184, 148, 0.2);
  color: var(--color-accent);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeInUp 0.6s ease both;
}

.hero__badge svg {
  width: 16px;
  height: 16px;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  animation: fadeInUp 0.6s ease 0.1s both;
}

.hero__title .gradient-text {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light), var(--color-secondary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.0625rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}

.hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease 0.3s both;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: 48px;
  margin-top: 64px;
  animation: fadeInUp 0.6s ease 0.4s both;
}

.hero__stat {
  text-align: center;
}

.hero__stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-heading);
  line-height: 1.2;
}

.hero__stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 32px;
  text-align: center;
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}

.feature-card__icon--accent {
  background: rgba(0, 184, 148, 0.12);
  color: var(--color-accent);
}

.feature-card__icon--primary {
  background: rgba(30, 111, 159, 0.15);
  color: var(--color-primary-light);
}

.feature-card__icon--secondary {
  background: rgba(108, 92, 231, 0.15);
  color: var(--color-secondary-light);
}

.feature-card__icon--gold {
  background: rgba(249, 202, 36, 0.12);
  color: var(--color-gold);
}

.feature-card__icon--danger {
  background: rgba(214, 48, 49, 0.12);
  color: #ff7675;
}

.feature-card__icon--info {
  background: rgba(116, 185, 255, 0.12);
  color: var(--color-info);
}

.feature-card h3 {
  margin-bottom: 10px;
  font-size: 1.125rem;
}

.feature-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.65;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  padding: 56px;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 184, 148, 0.12), rgba(10, 61, 98, 0.2));
  border: 1px solid rgba(0, 184, 148, 0.15);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(0, 184, 148, 0.1) 0%, transparent 70%);
  top: -100px;
  right: -100px;
}

.cta-banner h2 {
  margin-bottom: 12px;
  position: relative;
}

.cta-banner p {
  color: var(--color-text-secondary);
  max-width: 500px;
  margin: 0 auto 28px;
  position: relative;
}

.cta-banner .btn {
  position: relative;
}

/* ---------- Notification Cards ---------- */
.notification-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.notification-card {
  padding: 28px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.notification-card__icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.125rem;
}

.notification-card h4 {
  margin-bottom: 6px;
}

.notification-card p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 10px;
}

.notification-card a {
  font-size: 0.875rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ---------- Success Stories / Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.testimonial-card {
  padding: 28px;
  text-align: center;
}

.testimonial-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
}

.testimonial-card h4 {
  margin-bottom: 4px;
  font-size: 1rem;
}

.testimonial-card p {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

/* ---------- FAQ Accordion ---------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--color-heading);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
  min-height: 48px;
}

.faq-question:hover {
  background: var(--glass-bg-strong);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
  color: var(--color-accent);
}

.faq-item.active .faq-question {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  background: var(--glass-bg-strong);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.faq-answer__inner {
  padding: 0 24px 24px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- Page Hero (Interior Pages) ---------- */
.page-hero {
  padding: calc(var(--nav-height) + 60px) 0 60px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  background: rgba(0, 184, 148, 0.1);
  border: 1px solid rgba(0, 184, 148, 0.2);
  color: var(--color-accent);
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.page-hero h1 {
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.0625rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.breadcrumb a {
  color: var(--color-text-muted);
}

.breadcrumb a:hover {
  color: var(--color-accent);
}

.breadcrumb svg {
  width: 14px;
  height: 14px;
}

/* ---------- Syllabus Table ---------- */
.syllabus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.syllabus-card {
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
}

.syllabus-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(0, 184, 148, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.syllabus-card__icon svg {
  width: 22px;
  height: 22px;
}

.syllabus-card h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.syllabus-card p {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  margin: 0;
}

/* ---------- Steps / Process ---------- */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}

.step-card {
  padding: 32px;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}

.step-card__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}

.step-card__content h3 {
  margin-bottom: 8px;
}

.step-card__content p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.step-card__content ul {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.8;
  padding-left: 1.25rem;
  margin-top: 8px;
}

/* ---------- Errata Grid ---------- */
.errata-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.errata-card {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.errata-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(214, 48, 49, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #ff7675;
}

.errata-card__icon svg {
  width: 22px;
  height: 22px;
}

.errata-card__info h4 {
  font-size: 0.9375rem;
  margin-bottom: 2px;
}

.errata-card__info p {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
  margin: 0;
}

.errata-card .btn {
  margin-left: auto;
  flex-shrink: 0;
}

/* ---------- Register Form ---------- */
.register-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.register-info {
  padding-top: 16px;
}

.register-info h3 {
  margin-bottom: 16px;
}

.register-info p {
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

.register-features {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.register-features li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.register-features li svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.register-form {
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.form-group label .required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 184, 148, 0.15);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.form-helper {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ---------- Footer ---------- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand p {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-top: 16px;
  max-width: 300px;
  line-height: 1.7;
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

.footer__column h4 {
  font-size: 0.9375rem;
  margin-bottom: 20px;
  color: var(--color-heading);
}

.footer__links {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ---------- Content Prose ---------- */
.prose {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.prose h2 {
  margin: 40px 0 16px;
  font-size: 1.5rem;
}

.prose h3 {
  margin: 32px 0 12px;
  font-size: 1.25rem;
}

.prose p {
  margin-bottom: 16px;
}

.prose ul, .prose ol {
  margin-bottom: 16px;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 8px;
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.prose strong {
  color: var(--color-heading);
  font-weight: 600;
}

.prose .info-box {
  padding: 20px 24px;
  background: rgba(116, 185, 255, 0.08);
  border: 1px solid rgba(116, 185, 255, 0.15);
  border-radius: var(--radius-md);
  margin: 24px 0;
  font-size: 0.9375rem;
}

.prose .warning-box {
  padding: 20px 24px;
  background: rgba(253, 203, 110, 0.08);
  border: 1px solid rgba(253, 203, 110, 0.15);
  border-radius: var(--radius-md);
  margin: 24px 0;
  font-size: 0.9375rem;
}

/* ---------- Scroll to Top ---------- */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
  z-index: 900;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--color-accent-light);
  transform: translateY(-2px);
}

.scroll-top svg {
  width: 20px;
  height: 20px;
}

/* ---------- WhatsApp Float ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 900;
}

.whatsapp-float a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  background: #25D366;
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
  transition: all var(--transition-base);
}

.whatsapp-float a:hover {
  color: #fff;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.whatsapp-float a svg {
  width: 20px;
  height: 20px;
}

/* ---------- App Download Banner ---------- */
.app-banner {
  padding: 48px;
  text-align: center;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(10, 61, 98, 0.3), rgba(108, 92, 231, 0.12));
  border: 1px solid rgba(108, 92, 231, 0.15);
}

.app-banner h2 {
  margin-bottom: 12px;
}

.app-banner p {
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

.app-banner__buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .register-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }

  .container { padding: 0 16px; }

  .navbar__nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 20, 38, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 80px 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 999;
  }

  .navbar__nav.open {
    opacity: 1;
    visibility: visible;
  }

  .navbar__nav a {
    font-size: 1.25rem;
    padding: 14px 20px;
    justify-content: center;
  }

  .navbar__toggle {
    display: block;
  }

  .navbar__cta .btn {
    display: none;
  }

  .hero__content {
    padding: 40px 16px 60px;
  }

  .hero__stats {
    gap: 24px;
    flex-wrap: wrap;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .notification-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner {
    padding: 36px 24px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .step-card {
    flex-direction: column;
    gap: 16px;
  }

  .glass-card {
    padding: 24px;
  }

  .register-form {
    padding: 24px;
  }

  .syllabus-grid {
    grid-template-columns: 1fr;
  }

  .errata-grid {
    grid-template-columns: 1fr;
  }

  .errata-card {
    flex-wrap: wrap;
  }

  .errata-card .btn {
    margin-left: 0;
    margin-top: 8px;
    width: 100%;
  }

  .whatsapp-float a span {
    display: none;
  }

  .whatsapp-float a {
    padding: 14px;
    border-radius: 50%;
  }
}

@media (max-width: 480px) {
  .hero__stat-value { font-size: 1.5rem; }
  .hero__stats { gap: 16px; }
}

/* ---------- Course Form Cards Grid ---------- */
.course-forms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.course-form-card {
  display: flex;
  flex-direction: column;
  padding: 28px 24px;
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.course-form-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  border-color: rgba(0, 184, 148, 0.35);
}

.course-form-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.course-form-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.course-form-card p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html { scroll-behavior: auto; }
}

/* ---------- Print ---------- */
@media print {
  .navbar, .scroll-top, .whatsapp-float, .footer { display: none; }
  body { background: #fff; color: #000; }
  body::before { display: none; }
  .glass-card, .glass { background: #f9f9f9; border: 1px solid #ddd; backdrop-filter: none; }
  h1, h2, h3, h4 { color: #000; }
  a { color: #0a3d62; }
}