:root {
  --bg: hsl(218, 12%, 35%); 
  --bg-alt: #1B1C1F; 
  --bg-deep: #0F1011;
  --panel: #1F2124;
  --text: #F3F0E8; 
  --text-dim: #C9C7C1; 
  --text-mute: #9A9C9F; 
  --text-faint: #6E7073;
  --orange: #5869e9; 
  --blue: #5B8AA6;
  --line: rgba(243,240,232,0.08); 
  --line-soft: rgba(243,240,232,0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Work Sans', sans-serif;
  line-height: 1.55;
}

.display {
  font-family: 'Oswald', sans-serif;
  letter-spacing: 0.01em;
}

.mono {
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.06em;
}

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

.container {
  max-width: 1152px;
  margin: 0 auto;
  padding: 0 20px;
}

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

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Topbar */
.topbar {
  background: var(--bg-deep);
  color: var(--text-mute);
  font-size: 12px;
  position: relative;
  z-index: 40;
}

.topbar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
}

.topbar-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topbar-links span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Header */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(23, 24, 26, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.nav-row {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo .mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  gap: 32px;
  font-size: 12px;
  text-transform: uppercase;
}

.main-nav a:hover {
  color: var(--orange);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.btn-primary {
  background: var(--orange);
  color: var(--bg);
}

.btn-outline {
  border: 1px solid rgba(243, 240, 232, 0.25);
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(4px);
  color: var(--text);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 12px;
  text-transform: uppercase;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--orange);
  color: var(--bg);
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 600;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 20px;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 16px;
  padding: 16px 20px 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  text-transform: uppercase;
}

.mobile-menu.open {
  display: flex;
}

@media (max-width: 860px) {
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: block; }
}

/* Hero Section with Carousel */
.hero {
  position: relative;
  overflow: hidden;
  padding: 110px 0 130px;
  background: var(--bg-deep);
}

.hero-carousel {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(90deg, rgba(15, 16, 17, 0.92) 0%, rgba(15, 16, 17, 0.75) 50%, rgba(15, 16, 17, 0.5) 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 3;
  opacity: 0.08;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 650px;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 106, 31, 0.5);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  color: var(--orange);
  margin-bottom: 24px;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both 0.1s;
}

.hero h1 {
  font-size: 56px;
  font-weight: 600;
  line-height: 1.05;
  margin: 0 0 24px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both 0.2s;
}

.hero h1 .accent {
  color: var(--orange);
}

.hero p.lead {
  font-size: 18px;
  color: var(--text-dim);
  margin: 0 0 32px;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.5);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both 0.3s;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both 0.4s;
}

.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 48px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--text-mute);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both 0.5s;
}

.stat-row .num {
  font-family: 'Oswald', sans-serif;
  font-size: 24px;
  color: var(--text);
  display: block;
}

.carousel-dots {
  position: absolute;
  bottom: 28px;
  right: 32px;
  z-index: 10;
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
}

.dot.active {
  background: var(--orange);
  transform: scale(1.2);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 36px; }
  .carousel-dots { bottom: 16px; right: 20px; }
}

/* Feature strip */
.feature-strip {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 10;
}

.feature-strip .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 32px 20px;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.feature-item i {
  color: var(--orange);
  font-size: 19px;
  margin-top: 2px;
}

/* Responsive layout tweaks */

@media (max-width: 1024px) {
  .container { padding: 0 16px; }
  .hero { padding: 80px 0 90px; }
  .hero-content { max-width: 520px; }
  .feature-strip .container { grid-template-columns: repeat(2, 1fr); }
  .courses-wrap .grid-3, .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .course-card { padding: 18px; }
  .nav-row { height: 56px; }
}

@media (max-width: 860px) {
  .container { padding: 0 14px; }
  .main-nav { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: block; }
  .logo-text { display: none; }
  .nav-row { height: 56px; }
  .hero { padding: 70px 0 80px; }
  .hero h1 { font-size: 40px; }
  .hero-content { max-width: 100%; }
  .feature-strip .container, .courses-wrap .grid-3, .grid-3 { grid-template-columns: 1fr; }
  .course-card { padding: 14px; }
  .btn { padding: 10px 14px; font-size: 13px; }
  .stat-row { gap: 18px; }
}

@media (max-width: 560px) {
  .hero h1 { font-size: 36px; }
  .hero p.lead { font-size: 15px; }
  .hero { padding: 56px 0 64px; }
  .carousel-dots { bottom: 16px; right: 20px; }
  .course-card h3 { font-size: 18px; }
  .course-card .course-price { font-size: 20px; }
  .testimonial-card { padding: 18px; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 28px; }
  .eyebrow-pill { padding: 6px 10px; font-size: 10px; }
  .stat-row { gap: 12px; }
  .carousel-dots { right: 12px; bottom: 10px; }
  footer .footer-grid { display: block; }
  .testimonial-avatar { width: 40px; height: 40px; }
  .btn { padding: 8px 12px; font-size: 13px; }
}

/* Utility: make images and iframes scale nicely on small screens */
img, iframe, video {
  max-width: 100%;
  height: auto;
}


.feature-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.feature-item span {
  font-size: 12px;
  color: var(--text-mute);
}

@media (max-width: 700px) {
  .feature-strip .container { grid-template-columns: repeat(2, 1fr); }
}

/* Section Head */
.section {
  padding: 96px 0;
}

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

.section-eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0.06em;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--orange);
}

.section-eyebrow.blue {
  color: var(--blue);
}

.section-head h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 34px;
  font-weight: 600;
  margin: 8px 0 12px;
}

.section-head p {
  color: var(--text-dim);
  margin: 0;
}

/* Courses */
.courses-wrap {
  position: relative;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  position: relative;
}

@media (max-width: 900px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.course-card {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
  overflow: hidden;
}

.course-card:hover {
  transform: translateY(-4px);
}

.course-img {
  width: calc(100% + 48px);
  height: 180px;
  object-fit: cover;
  margin: -24px -24px 20px -24px;
}

.course-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.course-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255, 106, 31, 0.12);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
}

.course-code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--blue);
  border: 1px solid rgba(91, 138, 166, 0.4);
  padding: 4px 10px;
  border-radius: 999px;
}

.course-card h3 {
  font-family: 'Oswald', sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 6px;
  line-height: 1.3;
}

.course-card .tagline {
  font-size: 14px;
  color: var(--text-mute);
  margin: 0 0 20px;
}

.course-points {
  margin: 0 0 24px;
  flex: 1;
}

.course-points li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: #DAD8D2;
  margin-bottom: 10px;
}

.course-points i {
  color: var(--blue);
  margin-top: 3px;
  font-size: 13px;
}

.course-meta {
  display: flex;
  justify-content: space-between;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 20px;
}

.course-footer {
  border-top: 1px solid var(--line-soft);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-price {
  font-family: 'Oswald', sans-serif;
  font-size: 20px;
  font-weight: 600;
}

.course-enrol {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
  background: var(--orange);
  color: var(--bg);
  padding: 10px 16px;
  border-radius: 999px;
}

/* How It Works */
.how-section {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

@media (max-width: 560px) {
  .steps-grid { grid-template-columns: 1fr; }
}

.step-num {
  font-family: 'Oswald', sans-serif;
  font-size: 38px;
  color: rgba(255, 106, 31, 0.5);
  margin-bottom: 14px;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}

.step p {
  font-size: 14px;
  color: var(--text-mute);
  margin: 0;
}

/* CTA Band */
.cta-band {
  background: var(--orange);
  color: var(--bg);
  padding: 56px 0;
}

.cta-band .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  text-align: left;
}

.cta-band h2 {
  font-family: 'Oswald', sans-serif;
  font-size: 28px;
  font-weight: 600;
  margin: 0 0 4px;
}

.cta-band p {
  margin: 0;
  font-size: 14px;
  color: #3A2210;
}

.cta-band .btn {
  background: var(--bg);
  color: var(--text);
}

/* Testimonials */
.testi-card {
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 24px;
}

.stars {
  color: var(--orange);
  margin-bottom: 16px;
  font-size: 13px;
}

.testi-card p.quote {
  font-size: 14px;
  color: #DAD8D2;
  margin: 0 0 24px;
}

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

.testi-who .avatar-img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.testi-who strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
}

.testi-who span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-mute);
}

/* Footer */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 64px 0;
}

@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-logo .mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.footer-logo span {
  font-family: 'Oswald', sans-serif;
  font-size: 16px;
  font-weight: 600;
}

.site-footer p {
  font-size: 14px;
  color: var(--text-mute);
}

.site-footer h4 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.site-footer ul li {
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-mute);
}

.site-footer ul li a:hover {
  color: var(--orange);
}

.site-footer ul li i {
  width: 16px;
  margin-right: 6px;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 20px;
  text-align: center;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  color: var(--text-faint);
}