:root {
  --bg: #0b0812;
  --surface: #110e1c;
  --surface2: #1a1528;
  --purple: #7C3AED;
  --purple-light: #C084FC;
  --green: #2d9e6b;
  --white: #FAFAFA;
  --muted: #9385b0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--white);
  font-family: "DM Sans", sans-serif;
  overflow-x: hidden;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: rgba(11, 8, 18, .95);
  border-bottom: 1px solid rgba(124, 58, 237, .2);
  backdrop-filter: blur(8px);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-back {
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s;
}

.nav-back:hover {
  color: var(--white);
}

.nav-cta {
  background: var(--purple);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 10px 22px;
  border-radius: 4px;
  text-decoration: none;
  transition: background .2s;
}

.nav-cta:hover {
  background: var(--purple-light);
}

.course-hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 420px;
  align-items: center;
  padding: 120px max(48px, calc((100% - 1200px) / 2)) 80px;
  gap: 64px;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 70% 50%, rgba(124, 58, 237, .18) 0%, transparent 70%), radial-gradient(ellipse 40% 40% at 10% 60%, rgba(76, 29, 149, .15) 0%, transparent 60%), linear-gradient(180deg, rgba(11, 8, 18, 0) 0%, rgba(11, 8, 18, .6) 80%, rgba(11, 8, 18, 1) 100%);
  z-index: 0;
}

.hero-left,
.hero-right {
  position: relative;
  z-index: 1;
}

.course-tag {
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--purple-light);
  font-weight: 600;
  margin-bottom: 16px;
  display: block;
}

.course-title {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(52px, 6vw, 86px);
  letter-spacing: 2px;
  line-height: .95;
  margin-bottom: 20px;
}

.course-edition {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.course-desc {
  font-size: 16px;
  font-weight: 300;
  line-height: 1.75;
  color: rgba(250, 250, 250, .8);
  margin-bottom: 36px;
  max-width: 560px;
}

.hero-pills {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.pill {
  background: rgba(124, 58, 237, .15);
  border: 1px solid rgba(124, 58, 237, .3);
  color: var(--purple-light);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
}

.pill.green {
  background: rgba(45, 158, 107, .15);
  border-color: rgba(45, 158, 107, .3);
  color: #4ade80;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 340px;
}

.btn-main {
  background: linear-gradient(135deg, #7C3AED, #9B5DE5);
  color: #fff;
  font-family: "DM Sans", sans-serif;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 18px 32px;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 8px 32px rgba(124, 58, 237, .4);
  transition: transform .2s, box-shadow .2s;
  display: block;
}

.btn-main:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(124, 58, 237, .55);
}

.btn-secondary {
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .15);
  color: var(--white);
  font-family: "DM Sans", sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 32px;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  transition: border-color .2s;
  display: block;
}

.btn-secondary:hover {
  border-color: var(--purple-light);
  color: var(--purple-light);
}

.btn-trust {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

.course-card {
  background: var(--surface);
  border: 1px solid rgba(124, 58, 237, .2);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
}

.course-card-img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
}

.course-card-body {
  padding: 24px;
}

.course-card-price {
  font-family: "Bebas Neue", sans-serif;
  font-size: 42px;
  color: var(--white);
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 4px;
}

.course-card-price span {
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  color: var(--muted);
  font-weight: 400;
}

.course-card-installment {
  font-size: 12px;
  color: var(--purple-light);
  margin-bottom: 20px;
}

.course-card-features {
  list-style: none;
  margin-bottom: 20px;
}

.course-card-features li {
  font-size: 13px;
  color: rgba(250, 250, 250, .7);
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, .05);
  display: flex;
  align-items: center;
  gap: 10px;
}

.course-card-features li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--purple-light);
  flex-shrink: 0;
}

.card-btn-main {
  background: linear-gradient(135deg, #7C3AED, #9B5DE5);
  color: #fff;
  font-family: "DM Sans", sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 16px;
  border-radius: 6px;
  text-decoration: none;
  text-align: center;
  display: block;
  width: 100%;
  margin-bottom: 10px;
  box-shadow: 0 8px 24px rgba(124, 58, 237, .4);
  transition: transform .2s;
}

.card-btn-main:hover {
  transform: translateY(-2px);
}

.card-guarantee {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  line-height: 1.6;
}

section {
  padding: 72px max(48px, calc((100% - 1200px) / 2));
}

.section-label {
  font-size: 10px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--purple-light);
  font-weight: 600;
  margin-bottom: 14px;
  display: block;
}

.section-title {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  letter-spacing: 1.5px;
  margin-bottom: 32px;
  line-height: 1.05;
}

.section-dark {
  background: var(--surface);
  border-top: 1px solid rgba(124, 58, 237, .1);
  border-bottom: 1px solid rgba(124, 58, 237, .1);
}

.modules-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.module-item {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(124, 58, 237, .1);
  border-radius: 4px;
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
  transition: background .2s;
}

.module-item:hover {
  background: rgba(124, 58, 237, .07);
}

.module-num {
  font-family: "Bebas Neue", sans-serif;
  font-size: 28px;
  color: rgba(124, 58, 237, .3);
  line-height: 1;
  flex-shrink: 0;
  min-width: 36px;
}

.module-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--white);
}

.module-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.schedule-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 8px;
}

.schedule-item {
  background: rgba(255, 255, 255, .03);
  border: 1px solid rgba(124, 58, 237, .1);
  border-radius: 4px;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: 48px 110px 1fr auto;
  align-items: center;
  gap: 20px;
  transition: background .2s;
}

.schedule-item:hover {
  background: rgba(124, 58, 237, .07);
}

.schedule-num {
  font-family: "Bebas Neue", sans-serif;
  font-size: 26px;
  color: rgba(124, 58, 237, .35);
  line-height: 1;
}

.schedule-date {
  font-size: 12px;
  font-weight: 600;
  color: var(--purple-light);
  letter-spacing: .5px;
}

.schedule-date small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--muted);
  margin-top: 2px;
  letter-spacing: 0;
}

.schedule-content .schedule-topic {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 3px;
}

.schedule-content .schedule-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
}

.schedule-prof {
  font-size: 11px;
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
}

.schedule-prof strong {
  display: block;
  color: rgba(250, 250, 250, .7);
  font-size: 12px;
  margin-bottom: 2px;
}

.instructor-grid {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  align-items: start;
}

.instructor-img {
  width: 100%;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  aspect-ratio: 3/4;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .5), 0 0 0 1px rgba(124, 58, 237, .2);
}

.instructor-name {
  font-family: "Bebas Neue", sans-serif;
  font-size: 42px;
  letter-spacing: 2px;
  margin-bottom: 6px;
  line-height: 1;
}

.instructor-role {
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
  border-left: 3px solid var(--purple-light);
  padding-left: 12px;
}

.instructor-bio {
  font-size: 14px;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(250, 250, 250, .78);
  margin-bottom: 14px;
}

.teachers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.teacher-card {
  background: var(--surface2);
  border: 1px solid rgba(124, 58, 237, .12);
  border-radius: 10px;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color .2s, transform .2s;
}

.teacher-card:hover {
  border-color: rgba(124, 58, 237, .35);
  transform: translateY(-3px);
}

.teacher-header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.teacher-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  background: rgba(124, 58, 237, .2);
  border: 2px solid rgba(124, 58, 237, .25);
  flex-shrink: 0;
}

.teacher-name {
  font-family: "Bebas Neue", sans-serif;
  font-size: 22px;
  letter-spacing: 1px;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 4px;
}

.teacher-role {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--purple-light);
}

.teacher-bio {
  font-size: 13px;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(250, 250, 250, .72);
}

.teacher-card.placeholder {
  border-style: dashed;
  opacity: .6;
}

.for-whom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.for-whom-item {
  background: var(--surface2);
  border: 1px solid rgba(124, 58, 237, .1);
  border-radius: 8px;
  padding: 24px 20px;
}

.for-whom-item-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
}

.for-whom-item-text {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.testimonial-card {
  background: var(--surface2);
  border: 1px solid rgba(124, 58, 237, .1);
  border-left: 3px solid var(--purple);
  border-radius: 4px;
  padding: 24px;
}

.testimonial-text {
  font-size: 13px;
  font-style: italic;
  color: rgba(250, 250, 250, .78);
  line-height: 1.7;
  margin-bottom: 16px;
}

.testimonial-author {
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--purple-light);
  text-transform: uppercase;
  font-weight: 600;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface);
  border: 1px solid rgba(124, 58, 237, .1);
  border-radius: 4px;
  overflow: hidden;
}

.faq-q {
  padding: 18px 24px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

.faq-q:hover {
  color: var(--purple-light);
}

.faq-icon {
  color: var(--purple-light);
  font-size: 20px;
  transition: transform .3s;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  display: none;
  padding: 0 24px 18px;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.faq-item.open .faq-a {
  display: block;
}

.final-cta {
  background: linear-gradient(135deg, #1a0d3a 0%, #0d0a1e 50%, #1a0d3a 100%);
  border-top: 1px solid rgba(124, 58, 237, .2);
  padding: 80px max(48px, calc((100% - 1200px) / 2));
  text-align: center;
}

.final-cta-title {
  font-family: "Bebas Neue", sans-serif;
  font-size: clamp(40px, 5vw, 68px);
  letter-spacing: 2px;
  margin-bottom: 16px;
  line-height: 1;
}

.final-cta-sub {
  font-size: 16px;
  color: rgba(250, 250, 250, .65);
  font-weight: 300;
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.final-cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.trust-row {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 24px;
}

.trust-item {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.trust-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--purple-light);
}

footer {
  background: var(--surface);
  border-top: 1px solid rgba(124, 58, 237, .15);
  padding: 32px max(48px, calc((100% - 1200px) / 2));
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: 12px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--white);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
  background: rgba(124, 58, 237, .08);
  border: 1px solid rgba(124, 58, 237, .15);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 56px;
}

.stat-item {
  padding: 28px 20px;
  text-align: center;
  border-right: 1px solid rgba(124, 58, 237, .1);
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  font-family: "Bebas Neue", sans-serif;
  font-size: 40px;
  color: var(--purple-light);
  display: block;
  line-height: 1;
}

.stat-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
  display: block;
}

.breadcrumb {
  padding: 100px max(48px, calc((100% - 1200px) / 2)) 0;
}

.breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.breadcrumb-inner a {
  color: var(--muted);
  text-decoration: none;
}

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

.breadcrumb-sep {
  color: rgba(255, 255, 255, .2);
}

@media (max-width: 1100px) {
  .teachers-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  nav {
    padding: 16px 20px;
  }

  .course-hero {
    grid-template-columns: 1fr;
    padding: 100px 20px 60px;
  }

  .hero-right {
    order: -1;
    max-width: 360px;
  }

  section {
    padding: 48px max(16px, 4vw);
  }

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

  .for-whom-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .final-cta {
    padding: 60px 20px;
  }

  footer {
    flex-direction: column;
    gap: 16px;
    padding: 28px 20px;
    text-align: center;
  }

  .breadcrumb {
    padding: 80px 20px 0;
  }

  .schedule-item {
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto;
  }

  .schedule-prof {
    grid-column: 2;
    text-align: left;
  }
}

@media (max-width: 600px) {
  .schedule-item {
    grid-template-columns: 36px 1fr;
  }

  .schedule-date {
    display: none;
  }
}

.teacher-avatar-initial {
  background: linear-gradient(135deg, #7C3AED, #9B5DE5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Bebas Neue", sans-serif;
  font-size: 28px;
  color: #fff;
  letter-spacing: 1px;
  font-weight: 700;
}

.section-faq .section-label,
.section-faq .section-title {
  text-align: center;
}

@media (max-width: 768px) {

  .nav-back,
  .nav-cta {
    display: none;
  }
}