/* ==========================================================================
   StructFrame Design — Design System
   Palette: ink #0F1B2A · panel #16263D · paper #F4F2ED · rust #C9603C · steel #8A93A0
   Type: Space Grotesk (display) / Inter (body) / IBM Plex Mono (data, labels)
   ========================================================================== */

:root {
  --ink: #0F1B2A;
  --panel: #16263D;
  --panel-2: #1C3050;
  --paper: #F4F2ED;
  --paper-dim: #ECE9E1;
  --card: #FFFFFF;
  --rust: #C9603C;
  --rust-dark: #A84B2B;
  --steel: #8A93A0;
  --steel-line: #D9D5CB;
  --ink-line: rgba(255, 255, 255, 0.12);
  --text-body: #2B3340;
  --text-muted: #5C6675;

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --max-width: 1240px;
  --transition: all 0.25s ease;
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background-color: var(--paper);
  line-height: 1.65;
  overflow-x: hidden;
  padding-top: 84px;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.container {
  width: 92%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ---------- Utility: eyebrow / mono labels ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--rust);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 1px;
  background: var(--rust);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background-color: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn:hover {
  background-color: var(--rust);
  border-color: var(--rust);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--rust);
  border-color: var(--rust);
}

.btn-accent:hover {
  background-color: var(--rust-dark);
  border-color: var(--rust-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--ink);
}

.btn-outline:hover {
  background-color: var(--ink);
  color: var(--paper);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--paper);
  border: 1px solid var(--ink-line);
}

.btn-outline-light:hover {
  background-color: var(--paper);
  color: var(--ink);
  border-color: var(--paper);
}

section { padding: 110px 0; }

.section-title {
  margin-bottom: 56px;
  max-width: 640px;
}

.section-title.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-title h2 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
}

.section-title p {
  margin-top: 14px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ==========================================================================
   HEADER & NAV
   ========================================================================== */

header#header {
  position: fixed;
  top: 0; left: 0; width: 100%;
  z-index: 1000;
  background-color: rgba(244, 242, 237, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--steel-line);
  transition: var(--transition);
}

header#header.scrolled {
  background-color: rgba(244, 242, 237, 0.98);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  transition: var(--transition);
}

header#header.scrolled .navbar { padding: 14px 0; }

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
}

.logo img { height: 42px; width: auto; }

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.logo-text .highlight { color: var(--rust); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-links a {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--ink);
  position: relative;
  padding-bottom: 4px;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--rust);
  transition: var(--transition);
}

.nav-links a:hover { color: var(--rust); }
.nav-links a:hover::after { width: 100%; }

.hamburger {
  display: none;
  cursor: pointer;
  font-size: 1.4rem;
  color: var(--ink);
}

@media (max-width: 900px) {
  .logo img { height: 36px; }
  .logo-text { font-size: 1.1rem; }

  .nav-links {
    position: fixed;
    top: 73px; left: -100%;
    width: 100%;
    height: calc(100vh - 73px);
    background-color: var(--paper);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    transition: var(--transition);
  }

  .nav-links.active { left: 0; }
  .hamburger { display: block; }
}

/* ==========================================================================
   BLUEPRINT GRID DECORATION (signature motif)
   ========================================================================== */

.blueprint-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.blueprint-grid.dim {
  background-image:
    linear-gradient(rgba(15,27,42,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,27,42,0.05) 1px, transparent 1px);
}

/* ==========================================================================
   HERO (homepage)
   ========================================================================== */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background-color: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -10%; right: -8%;
  width: 60%; height: 120%;
  background: radial-gradient(circle, rgba(201,96,60,0.18), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  padding: 140px 0 90px;
}

.hero-content .eyebrow { color: var(--rust); }

.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
  color: var(--paper);
  margin-bottom: 24px;
}

.hero-content h1 em {
  font-style: normal;
  color: var(--rust);
}

.hero-content p {
  font-size: 1.15rem;
  color: #C7CCD4;
  max-width: 520px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  position: relative;
  z-index: 2;
  border: 1px solid var(--ink-line);
  background: rgba(255,255,255,0.03);
  padding: 6px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.hero-stat {
  padding: 28px 24px;
  border: 1px solid var(--ink-line);
}

.hero-stat .num {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  color: var(--paper);
  display: block;
}

.hero-stat .label {
  font-size: 0.82rem;
  color: var(--steel);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; padding: 120px 0 70px; }
  .hero-content p { max-width: 100%; }
  .hero-stats { display: none; }
  .hero::before { display: none; }
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */

.about { background-color: var(--paper); }

.about-content {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 70px;
  align-items: flex-start;
}

.about-text h3 {
  font-size: 1.6rem;
  margin-bottom: 18px;
}

.about-text p { margin-bottom: 16px; color: var(--text-body); }

.about-list {
  margin: 22px 0 28px;
  border-top: 1px solid var(--steel-line);
}

.about-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--steel-line);
}

.about-list .num {
  font-family: var(--font-mono);
  color: var(--rust);
  font-size: 0.9rem;
  flex-shrink: 0;
  padding-top: 2px;
}

.about-figure {
  position: relative;
  background-color: var(--ink);
  aspect-ratio: 3/4;
  max-width: 340px;
  overflow: hidden;
  border: 1px solid var(--ink);
}

.about-illustration svg {
  width: 100%;
  height: 100%;
  display: block;
  padding: 28px;
  box-sizing: border-box;
  position: relative;
  z-index: 1;
}

.about-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: 0.92;
  transition: var(--transition);
}

.about-figure:hover img { transform: scale(1.04); }

.about-figure-tag {
  position: absolute;
  bottom: 20px; left: 20px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 8px 14px;
  text-transform: uppercase;
  z-index: 2;
}

@media (max-width: 900px) {
  .about-content { grid-template-columns: 1fr; }
  .about-figure { display: none; }
}

/* ==========================================================================
   COURSES SECTION
   ========================================================================== */

.courses { background-color: var(--paper-dim); }

.course-categories {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.category-btn {
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--steel-line);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-body);
  transition: var(--transition);
}

.category-btn.active, .category-btn:hover {
  background-color: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.course-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--steel-line);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.course-card:hover {
  border-color: var(--ink);
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(15,27,42,0.08);
}

.course-card-media {
  position: relative;
  height: 190px;
  overflow: hidden;
  background-color: var(--ink);
}

.course-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.course-card:hover .course-card-media img { transform: scale(1.06); }

.course-tag {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 5px 10px;
}

.course-details {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.course-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.course-info {
  display: flex;
  gap: 18px;
  margin-bottom: 14px;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

.course-info span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.course-details p {
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.course-details .btn {
  align-self: flex-start;
  padding: 11px 22px;
  font-size: 0.88rem;
}

/* ==========================================================================
   WHY US / FEATURES
   ========================================================================== */

.why-us { background-color: var(--paper); }

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--steel-line);
  border: 1px solid var(--steel-line);
}

.feature-card {
  background: var(--card);
  padding: 38px 32px;
  transition: var(--transition);
}

.feature-card:hover { background: var(--ink); }
.feature-card:hover h3, .feature-card:hover p { color: var(--paper); }
.feature-card:hover .feature-icon { color: var(--rust); }

.feature-icon {
  font-size: 1.6rem;
  color: var(--rust);
  margin-bottom: 18px;
  transition: var(--transition);
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition);
}

@media (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   AUDIENCE SECTION
   ========================================================================== */

.audience { background-color: var(--ink); color: var(--paper); position: relative; overflow: hidden; }

.audience .section-title h2 { color: var(--paper); }
.audience .section-title p { color: var(--steel); }
.audience .eyebrow { color: var(--rust); }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1px;
  position: relative;
  z-index: 2;
}

.audience-card {
  padding: 32px 26px;
  border: 1px solid var(--ink-line);
}

.audience-icon {
  font-size: 1.5rem;
  color: var(--rust);
  margin-bottom: 18px;
}

.audience-card h3 {
  color: var(--paper);
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.audience-card p {
  color: var(--steel);
  font-size: 0.92rem;
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */

.testimonials { background-color: var(--paper); }

.testimonials-container {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.testimonial {
  background-color: var(--card);
  border: 1px solid var(--steel-line);
  padding: 48px;
  text-align: left;
  display: none;
}

.testimonial.active {
  display: block;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.testimonial-quote-mark {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--rust);
  line-height: 1;
  margin-bottom: 10px;
  display: block;
}

.testimonial-text {
  font-size: 1.15rem;
  color: var(--text-body);
  margin-bottom: 24px;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.5;
}

.testimonial-author {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
}

.testimonial-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--rust);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

.testimonial-nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.testimonial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--steel-line);
  cursor: pointer;
  transition: var(--transition);
}

.testimonial-dot.active {
  background-color: var(--rust);
  width: 24px;
  border-radius: 4px;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */

.contact { background-color: var(--paper-dim); }

.contact-container {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.contact-info h3 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 26px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--steel-line);
}

.contact-icon {
  font-size: 1.1rem;
  color: var(--rust);
  width: 40px; height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--steel-line);
}

.contact-info-item h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.contact-info-item p, .contact-info-item a {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.contact-form {
  background: var(--card);
  border: 1px solid var(--steel-line);
  padding: 40px;
}

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

.form-control {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--steel-line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--rust);
  background: var(--card);
}

textarea.form-control { min-height: 140px; resize: vertical; }

.contact-form .btn { width: 100%; justify-content: center; }

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

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
  background-color: var(--ink);
  color: var(--steel);
  padding: 80px 0 28px;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 56px;
  padding-bottom: 56px;
  border-bottom: 1px solid var(--ink-line);
}

.footer-col h3 {
  color: var(--paper);
  font-size: 1rem;
  margin-bottom: 22px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-col > p { font-size: 0.92rem; line-height: 1.7; }

.footer-links li { margin-bottom: 12px; }

.footer-links a {
  font-size: 0.92rem;
  transition: var(--transition);
}

.footer-links a:hover { color: var(--rust); padding-left: 4px; }

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 22px;
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--ink-line);
  transition: var(--transition);
}

.social-links a:hover {
  background-color: var(--rust);
  border-color: var(--rust);
  color: var(--paper);
}

.footer-form { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.footer-form input { padding: 12px 14px; border: 1px solid var(--ink-line); background: transparent; color: var(--paper); font-family: var(--font-body); }
.footer-form input::placeholder { color: var(--steel); }
.footer-form .btn { width: 100%; justify-content: center; }

.copyright {
  text-align: center;
  font-size: 0.85rem;
  color: var(--steel);
}

.copyright a { color: var(--steel); }
.copyright a:hover { color: var(--rust); }

@media (max-width: 980px) {
  .footer-container { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .footer-container { grid-template-columns: 1fr; gap: 36px; }
}

/* ==========================================================================
   PAGE HERO (course / inner pages)
   ========================================================================== */

.page-hero {
  position: relative;
  background-color: var(--ink);
  color: var(--paper);
  padding: 0;
  overflow: hidden;
}

.page-hero-inner {
  position: relative;
  z-index: 2;
  padding: 96px 0 80px;
  text-align: left;
  max-width: 760px;
}

.page-hero::after {
  content: '';
  position: absolute;
  top: -20%; right: -10%;
  width: 50%; height: 140%;
  background: radial-gradient(circle, rgba(201,96,60,0.16), transparent 70%);
  pointer-events: none;
}

.page-hero .eyebrow { color: var(--rust); }

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 2.9rem);
  color: var(--paper);
  margin-bottom: 18px;
}

.page-hero p {
  font-size: 1.1rem;
  color: #C7CCD4;
  max-width: 600px;
  margin-bottom: 0;
}

.page-hero-meta {
  display: flex;
  gap: 28px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.page-hero-meta-item {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--steel);
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-hero-meta-item i { color: var(--rust); }

/* ==========================================================================
   COURSE DETAIL PAGE
   ========================================================================== */

.main-content { background-color: var(--paper); padding: 90px 0; }

.content-wrapper {
  display: grid;
  grid-template-columns: 1.65fr 1fr;
  gap: 56px;
}

.left-column h2 {
  font-size: 1.5rem;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--steel-line);
}

.left-column h2:not(:first-child) { margin-top: 50px; }

.left-column h3 {
  font-size: 1.2rem;
  margin: 22px 0 12px;
}

.left-column p { margin-bottom: 14px; color: var(--text-body); }

.intro-block {
  margin-bottom: 50px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--steel-line);
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.highlight-item {
  display: flex;
  gap: 12px;
  padding: 16px;
  background: var(--card);
  border: 1px solid var(--steel-line);
  font-size: 0.92rem;
}

.highlight-item i { color: var(--rust); margin-top: 2px; flex-shrink: 0; }

/* Module accordion */
.module {
  margin-bottom: 12px;
  border: 1px solid var(--steel-line);
  background: var(--card);
}

.module-header {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--ink);
  transition: var(--transition);
}

.module-header:hover { background-color: var(--paper-dim); }

.module-number {
  font-family: var(--font-mono);
  color: var(--rust);
  margin-right: 14px;
  font-size: 0.88rem;
}

.module-header i { color: var(--steel); transition: var(--transition); }

.module.active .module-header { border-bottom: 1px solid var(--steel-line); }

.module-content {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.module.active .module-content {
  max-height: 1000px;
  padding: 18px 22px 22px;
}

.module-content ul { margin-left: 0; }

.module-content li {
  padding: 8px 0 8px 22px;
  position: relative;
  font-size: 0.93rem;
  color: var(--text-body);
  border-bottom: 1px solid var(--paper-dim);
}

.module-content li:last-child { border-bottom: none; }

.module-content li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--rust);
}

/* Right column: pricing & instructor */
.right-column { display: flex; flex-direction: column; gap: 24px; }

.pricing-box {
  background: var(--card);
  border: 1px solid var(--steel-line);
  padding: 30px;
  position: sticky;
  top: 100px;
}

.pricing-box h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 22px;
}

.pricing-features { margin-bottom: 26px; }

.pricing-features li {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--paper-dim);
}

.pricing-features li:last-child { border-bottom: none; }

.pricing-features li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--rust);
  flex-shrink: 0;
}

.pricing-box .btn { width: 100%; justify-content: center; }

.instructor-card {
  background: var(--card);
  border: 1px solid var(--steel-line);
  padding: 30px;
  text-align: center;
}

.instructor-img {
  width: 88px; height: 88px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 18px;
  border: 2px solid var(--steel-line);
}

.instructor-card h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.instructor-card h4 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--rust);
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 600;
}

.instructor-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

@media (max-width: 980px) {
  .content-wrapper { grid-template-columns: 1fr; }
  .pricing-box { position: static; }
  .highlight-grid { grid-template-columns: 1fr; }
}

/* ==========================================================================
   TERMS PAGE
   ========================================================================== */

.term-section {
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--steel-line);
}

.term-section:last-child { border-bottom: none; }

.term-section h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.term-section h3 .term-num {
  font-family: var(--font-mono);
  color: var(--rust);
  font-size: 0.95rem;
}

.term-section ul { margin: 16px 0; }

.term-section li {
  padding: 8px 0 8px 22px;
  position: relative;
  font-size: 0.95rem;
}

.term-section li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--rust);
}

.term-highlight {
  background-color: var(--paper-dim);
  border-left: 2px solid var(--rust);
  padding: 22px 26px;
  margin: 20px 0;
}

.last-updated {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   GENERIC RESPONSIVE
   ========================================================================== */

@media (max-width: 980px) {
  section { padding: 80px 0; }
}

@media (max-width: 620px) {
  section { padding: 64px 0; }
  .hero-stats-grid { grid-template-columns: 1fr; }
}

/* Accessibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--rust);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}