:root {
  --ink: #12313a;
  --deep: #063b4a;
  --ocean: #008da8;
  --aqua: #5ed4cf;
  --sky: #dff8ff;
  --foam: #f1fffb;
  --paper: #fffaf0;
  --sand: #fff2cf;
  --coral: #ff6f4f;
  --sun: #ffb84d;
  --palm: #19a974;
  --muted: #55717a;
  --line: #c9e4de;
  --shadow: 0 20px 45px rgba(6, 59, 74, 0.18);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(180deg, rgba(223, 248, 255, 0.7) 0, rgba(255, 250, 240, 0) 460px),
    var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

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

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: rgba(255, 250, 240, 0.9);
  border-bottom: 1px solid rgba(201, 228, 222, 0.8);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  left: 0;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 56px);
  position: fixed;
  right: 0;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.header-cta,
.button,
.hero-details span,
.notice-inner,
.check-list li {
  align-items: center;
  display: flex;
}

.brand {
  gap: 12px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  border-radius: 14px;
  height: 46px;
  width: 46px;
}

.brand-name {
  color: var(--deep);
}

.nav-links {
  gap: clamp(14px, 2vw, 28px);
  font-size: 0.94rem;
  font-weight: 800;
}

.nav-links a,
.footer-links a {
  text-decoration: none;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--ocean);
}

.header-cta {
  background: var(--coral);
  border-radius: 999px;
  color: #fff;
  font-weight: 900;
  gap: 8px;
  min-height: 44px;
  padding: 0 17px;
  text-decoration: none;
  box-shadow: 0 8px 18px rgba(255, 111, 79, 0.24);
}

.header-cta svg,
.button svg,
.hero-details svg,
.lesson-card svg,
.check-list svg {
  flex: 0 0 auto;
  height: 18px;
  width: 18px;
}

.hero {
  min-height: 90svh;
  overflow: hidden;
  position: relative;
}

.hero-image,
.hero-shade {
  height: 100%;
  inset: 0;
  position: absolute;
  width: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(6, 59, 74, 0.9) 0%, rgba(0, 109, 127, 0.72) 42%, rgba(255, 184, 77, 0.12) 100%),
    linear-gradient(0deg, rgba(6, 59, 74, 0.3), rgba(6, 59, 74, 0.04));
}

.hero-wave {
  background: var(--paper);
  bottom: -1px;
  clip-path: polygon(0 58%, 9% 52%, 18% 57%, 28% 48%, 39% 56%, 50% 46%, 62% 55%, 73% 48%, 86% 56%, 100% 48%, 100% 100%, 0 100%);
  height: 112px;
  left: 0;
  position: absolute;
  right: 0;
  z-index: 1;
}

.hero-content {
  color: #fff;
  max-width: 820px;
  padding: clamp(136px, 18vh, 190px) clamp(18px, 6vw, 76px) 120px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 12px;
  text-transform: uppercase;
}

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

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.04;
  margin: 0;
}

h1 {
  font-size: clamp(3.25rem, 8vw, 7.7rem);
  max-width: 780px;
}

h2 {
  color: var(--deep);
  font-size: clamp(2rem, 4vw, 4.3rem);
  max-width: 930px;
}

h3 {
  color: var(--deep);
  font-size: 1.2rem;
}

.hero-copy {
  font-size: clamp(1.08rem, 2.2vw, 1.45rem);
  margin: 22px 0 0;
  max-width: 700px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 900;
  gap: 10px;
  justify-content: center;
  min-height: 54px;
  padding: 0 20px;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.button-primary {
  background: var(--coral);
  color: #fff;
}

.button-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--deep);
}

.hero-details {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-details span {
  background: rgba(255, 250, 240, 0.16);
  border: 1px solid rgba(255, 250, 240, 0.25);
  border-radius: 999px;
  gap: 8px;
  min-height: 42px;
  padding: 0 14px;
}

.notice-band {
  background: linear-gradient(90deg, var(--sun), var(--sand) 56%, var(--aqua));
  color: #432d09;
}

.notice-inner {
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 0 auto;
  max-width: 1180px;
  padding: 14px clamp(18px, 4vw, 34px);
}

.notice-label {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 900;
  padding: 4px 10px;
  text-transform: uppercase;
}

.section {
  padding: clamp(64px, 10vw, 118px) clamp(18px, 5vw, 70px);
}

.section-heading {
  margin: 0 auto 36px;
  max-width: 1180px;
}

.intro-section,
.faq-section {
  background: var(--paper);
}

.intro-grid,
.trust-grid {
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 430px);
  margin: 0 auto;
  max-width: 1180px;
}

.intro-copy {
  color: var(--muted);
  font-size: clamp(1.02rem, 1.6vw, 1.25rem);
  max-width: 760px;
}

.intro-copy p:first-child {
  margin-top: 0;
}

.stat-list {
  display: grid;
  gap: 12px;
}

.stat-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(0, 141, 168, 0.08);
  padding: 20px;
}

.stat-number {
  color: var(--ocean);
  display: block;
  font-size: 2.55rem;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
}

.learn-section,
.trust-section {
  background:
    linear-gradient(180deg, rgba(94, 212, 207, 0.18), rgba(255, 250, 240, 0)),
    var(--foam);
}

.lesson-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 0 auto;
  max-width: 1180px;
}

.lesson-card,
.ticket-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.lesson-card {
  min-height: 238px;
  padding: 24px;
  box-shadow: 0 10px 26px rgba(6, 59, 74, 0.06);
}

.lesson-card svg {
  color: var(--ocean);
  height: 30px;
  margin-bottom: 20px;
  width: 30px;
}

.lesson-card p,
.timeline-item p,
.ticket-description,
.ticket-copy p,
.faq-list p,
.site-footer p {
  color: var(--muted);
}

.format-section {
  background: #fff;
}

.timeline {
  display: grid;
  gap: 0;
  margin: 0 auto;
  max-width: 1180px;
}

.timeline-item {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 18px;
  grid-template-columns: 56px minmax(160px, 270px) minmax(0, 1fr);
  padding: 24px 0;
}

.timeline-item:last-child {
  border-bottom: 1px solid var(--line);
}

.timeline-item span {
  background: var(--sand);
  border: 2px solid var(--sun);
  border-radius: 50%;
  color: var(--deep);
  display: grid;
  font-weight: 900;
  height: 42px;
  place-items: center;
  width: 42px;
}

.ticket-section {
  background:
    linear-gradient(135deg, rgba(0, 141, 168, 0.6), rgba(6, 59, 74, 0) 38%),
    var(--deep);
  color: #fff;
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(0, 0.88fr) minmax(300px, 1.12fr);
  padding: clamp(64px, 10vw, 112px) clamp(18px, 5vw, 70px);
}

.ticket-section h2,
.ticket-section h3 {
  color: #fff;
}

.ticket-copy {
  max-width: 620px;
}

.ticket-copy p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 1.08rem;
}

.ticket-note {
  border-left: 4px solid var(--sun);
  padding-left: 14px;
}

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

.ticket-card {
  color: var(--ink);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 390px;
  padding: 26px;
}

.featured-ticket {
  border-color: var(--sun);
  box-shadow: 0 0 0 3px rgba(255, 184, 77, 0.24);
}

.ticket-kicker {
  color: var(--coral);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
  text-transform: uppercase;
}

.ticket-price {
  color: var(--deep);
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1;
  margin: 18px 0;
}

.trust-grid {
  align-items: start;
}

.check-list {
  display: grid;
  gap: 14px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.check-list li {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  gap: 12px;
  min-height: 62px;
  padding: 14px 18px;
}

.check-list svg {
  color: var(--palm);
}

.faq-list {
  display: grid;
  gap: 12px;
  margin: 0 auto;
  max-width: 900px;
}

details {
  background: var(--foam);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 18px;
}

summary {
  cursor: pointer;
  font-weight: 900;
  padding: 18px 0;
}

details p {
  margin: 0;
  padding: 0 0 18px;
}

.site-footer {
  align-items: start;
  background: #062f3a;
  color: #fff;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 32px clamp(18px, 5vw, 70px);
}

.site-footer p {
  margin: 6px 0 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  justify-content: end;
}

.photo-credit {
  font-size: 0.78rem;
  grid-column: 1 / -1;
}

.confirmation-page {
  background: var(--foam);
  min-height: 100svh;
  padding-top: 72px;
}

.confirmation-hero {
  background:
    linear-gradient(135deg, rgba(0, 141, 168, 0.62), rgba(6, 59, 74, 0) 42%),
    var(--deep);
  color: #fff;
  padding: clamp(70px, 12vw, 130px) clamp(18px, 5vw, 70px);
}

.confirmation-hero h1 {
  font-size: clamp(2.7rem, 7vw, 6rem);
  max-width: 920px;
}

.confirmation-hero p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  max-width: 720px;
}

.confirmation-icon {
  background: var(--sun);
  border-radius: 50%;
  color: #432d09;
  display: grid;
  height: 54px;
  margin-bottom: 20px;
  place-items: center;
  width: 54px;
}

.confirmation-icon svg {
  height: 28px;
  width: 28px;
}

.confirmation-details {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  margin: 0 auto;
  max-width: 1180px;
}

.detail-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 4vw, 34px);
}

.detail-panel .check-list {
  margin-top: 22px;
}

.detail-panel p {
  color: var(--muted);
}

.detail-panel .button {
  display: inline-flex;
  margin-top: 16px;
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .intro-grid,
  .trust-grid,
  .ticket-section,
  .confirmation-details {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 700px) {
  .site-header {
    min-height: 66px;
    padding: 10px 15px;
  }

  .brand {
    gap: 9px;
  }

  .brand-mark {
    border-radius: 11px;
    height: 42px;
    width: 42px;
  }

  .brand-name {
    max-width: 148px;
    white-space: normal;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 12px;
  }

  .hero {
    min-height: 93svh;
  }

  .hero-shade {
    background: linear-gradient(90deg, rgba(6, 59, 74, 0.9) 0%, rgba(0, 109, 127, 0.76) 68%, rgba(255, 184, 77, 0.16) 100%);
  }

  .hero-content {
    padding: 118px 18px 96px;
  }

  .button {
    width: 100%;
  }

  .hero-details span {
    width: 100%;
  }

  .lesson-grid,
  .ticket-grid {
    grid-template-columns: 1fr;
  }

  .timeline-item {
    gap: 10px;
    grid-template-columns: 48px minmax(0, 1fr);
  }

  .timeline-item p {
    grid-column: 2;
    margin-top: 0;
  }

  .ticket-card {
    min-height: 330px;
  }

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

  .footer-links {
    justify-content: start;
  }
}
