:root {
  --ink: #15231f;
  --muted: #5f6a66;
  --paper: #f7f4ec;
  --white: #fffefa;
  --green: #1f5c4f;
  --green-deep: #173f37;
  --teal: #3d8e8f;
  --blue: #77aebf;
  --coral: #da745f;
  --gold: #d5a84c;
  --line: rgba(21, 35, 31, 0.16);
  --shadow: 0 22px 60px rgba(18, 46, 39, 0.14);
  --serif: "Libre Caslon Display", Georgia, serif;
  --sans: "DM Sans", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

h1,
h2,
h3,
p,
blockquote {
  margin-top: 0;
}

h1,
h2 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 24px;
  font-size: 52px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: white;
  background: var(--green-deep);
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
  padding: 0 5vw;
  border-bottom: 1px solid transparent;
  transition: background 180ms ease, border-color 180ms ease, height 180ms ease;
}

.site-header.scrolled {
  height: 68px;
  border-color: var(--line);
  background: rgba(255, 254, 250, 0.94);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  position: relative;
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
}

.site-nav > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
}

.site-nav > a:hover::after,
.site-nav > a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 16px;
  color: white;
  background: var(--green-deep);
  border-radius: 4px;
}

.nav-cta svg {
  width: 16px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--ink);
  border: 0;
  background: transparent;
}

.hero {
  position: relative;
  min-height: 92svh;
  display: flex;
  align-items: center;
  padding: 140px 5vw 96px;
  background-color: #e9f0ec;
  background-image: url("assets/phu-quoc-sunrise-hero.png");
  background-position: center;
  background-size: cover;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(660px, 54vw);
}

.eyebrow {
  margin-bottom: 18px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero h1 {
  margin-bottom: 26px;
  font-size: 74px;
}

.hero blockquote {
  width: min(570px, 100%);
  margin: 0 0 16px;
  color: #2e413a;
  font-family: var(--serif);
  font-size: 30px;
  line-height: 1.34;
}

.hero-intro {
  width: min(620px, 100%);
  margin-bottom: 30px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.45;
}

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

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 20px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button svg {
  width: 18px;
}

.button-primary {
  color: white;
  background: var(--green-deep);
}

.button-primary:hover {
  background: var(--coral);
}

.button-quiet {
  color: var(--ink);
  border-color: rgba(21, 35, 31, 0.36);
  background: rgba(255, 254, 250, 0.62);
}

.section-inner {
  width: min(1180px, 90vw);
  margin: 0 auto;
}

.intro-band {
  padding: 112px 0 0;
  background: var(--white);
}

.intro-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 9vw;
  align-items: start;
}

.intro-copy {
  padding-top: 34px;
  color: var(--muted);
  font-size: 18px;
}

.intro-copy p:first-child {
  color: var(--ink);
  font-size: 20px;
  font-weight: 700;
}

.event-positioning {
  padding-top: 22px;
  color: var(--ink);
  border-top: 1px solid var(--line);
  font-weight: 600;
}

.number-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 90px;
  padding: 32px 5vw;
  color: white;
  background: var(--green);
}

.number-strip > div {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.22);
}

.number-strip > div:last-child {
  border: 0;
}

.number-strip strong {
  font-family: var(--serif);
  font-size: 42px;
  font-weight: 400;
}

.number-strip span {
  font-size: 13px;
}

.facilitators-section,
.faq-section {
  padding: 120px 0;
}

.section-heading {
  width: min(720px, 100%);
  margin-bottom: 62px;
}

.section-heading > p:last-child {
  color: var(--muted);
}

.facilitators-section {
  background: var(--white);
}

.heading-row {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 0.55fr;
  gap: 10vw;
  align-items: end;
}

.heading-row > p {
  padding-bottom: 12px;
}

.facilitator-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 26px 18px;
}

.facilitator {
  position: relative;
  min-width: 0;
  background: #eef1ec;
  border-radius: 6px;
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.facilitator:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.facilitator img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  object-position: top;
}

.facilitator > div {
  min-height: 120px;
  padding: 16px;
}

.facilitator h3 {
  margin-bottom: 4px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  line-height: 1.15;
}

.facilitator p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.4;
}

.facilitator:nth-child(5n + 1) {
  background: #e9f0eb;
}

.facilitator:nth-child(5n + 2) {
  background: #eef1f4;
}

.facilitator:nth-child(5n + 3) {
  background: #f6eee4;
}

.facilitator:nth-child(5n + 4) {
  background: #edf4f4;
}

.facilitator:nth-child(5n + 5) {
  background: #f4eee9;
}

.venue-section {
  padding: 120px 0;
  background: #dfecef;
}

.venue-layout {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 8vw;
  align-items: center;
}

.venue-image {
  position: relative;
}

.venue-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.venue-image span {
  position: absolute;
  right: -18px;
  bottom: 24px;
  padding: 10px 14px;
  color: white;
  background: var(--coral);
  font-size: 12px;
  font-weight: 700;
}

.venue-copy > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 28px 0 32px;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.check-list svg {
  width: 18px;
  color: var(--green);
}

.venue-meta {
  display: flex;
  gap: 14px;
  padding-top: 24px;
  border-top: 1px solid rgba(21, 35, 31, 0.2);
}

.venue-meta > svg {
  width: 22px;
  color: var(--coral);
}

.venue-meta div {
  display: grid;
}

.venue-meta span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.ticket-section {
  padding: 120px 0;
  color: white;
  background: #182a27;
}

.ticket-layout {
  display: grid;
  grid-template-columns: 0.9fr 0.78fr;
  gap: 12vw;
  align-items: center;
}

.ticket-copy .eyebrow {
  color: #9bcfc8;
}

.ticket-copy > p:not(.eyebrow) {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
}

.ticket-note {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 13px !important;
}

.ticket-card {
  padding: 34px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.ticket-topline {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.price {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 30px 0 0;
}

.price span {
  padding-top: 13px;
  color: var(--coral);
  font-size: 13px;
  font-weight: 700;
}

.price strong {
  font-family: var(--serif);
  font-size: 82px;
  font-weight: 400;
  line-height: 0.9;
}

.ticket-card > p {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
}

.ticket-card ul {
  display: grid;
  gap: 9px;
  margin: 0 0 28px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.ticket-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
}

.ticket-card li svg {
  width: 17px;
  color: var(--green);
}

.button-paypal {
  width: 100%;
  color: white;
  background: #087bce;
}

.button-paypal:hover {
  background: #075ea0;
}

.secure-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 11px;
}

.secure-note svg {
  width: 13px;
}

.faq-layout {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 10vw;
}

.faq-layout > div:first-child {
  position: sticky;
  top: 110px;
  align-self: start;
}

.faq-layout > div:first-child > p:last-child {
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 24px;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary svg {
  flex: 0 0 auto;
  width: 19px;
  transition: transform 180ms ease;
}

.faq-list details[open] summary svg {
  transform: rotate(45deg);
}

.faq-list details p {
  max-width: 670px;
  margin-bottom: 28px;
  color: var(--muted);
}

.closing-section {
  min-height: 620px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 100px 5vw;
  color: var(--ink);
  text-align: left;
  background-color: #edf2ec;
  background-image: url("assets/phu-quoc-sunrise-hero.png");
  background-position: center;
  background-size: cover;
}

.closing-content {
  max-width: 820px;
}

.closing-content h2 {
  margin-bottom: 34px;
  font-size: 64px;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 20px 48px;
  align-items: center;
  padding: 48px 5vw 88px;
  color: rgba(255, 255, 255, 0.7);
  background: #10231f;
}

.footer-brand {
  color: white;
}

.site-footer p {
  margin: 0;
  text-align: right;
}

.footer-links {
  display: flex;
  gap: 22px;
}

.footer-links a {
  font-size: 13px;
}

.site-footer small {
  text-align: right;
}

.mobile-reserve {
  display: none;
}

@media (max-width: 1050px) {
  .site-nav {
    gap: 18px;
  }

  .hero h1 {
    font-size: 62px;
  }

  .facilitator-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

}

@media (max-width: 820px) {
  h2 {
    font-size: 42px;
  }

  .site-header,
  .site-header.scrolled {
    height: 66px;
    padding: 0 20px;
    background: rgba(255, 254, 250, 0.95);
  }

  .brand span {
    font-size: 14px;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 66px;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 24px 20px;
    background: var(--white);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 18px;
  }

  .nav-cta {
    justify-content: center;
    margin-top: 20px;
    padding: 13px 18px !important;
    border: 0 !important;
  }

  .hero {
    min-height: calc(100svh - 38px);
    align-items: flex-end;
    padding: 116px 20px 72px;
    background-position: 58% center;
  }

  .hero::after {
    position: absolute;
    inset: 0;
    background: rgba(248, 246, 239, 0.48);
    content: "";
  }

  .hero-content {
    width: 100%;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero blockquote {
    font-size: 24px;
  }

  .hero-actions {
    display: grid;
  }

  .intro-layout,
  .venue-layout,
  .ticket-layout,
  .faq-layout,
  .heading-row {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .intro-band,
  .facilitators-section,
  .venue-section,
  .ticket-section,
  .faq-section {
    padding-top: 88px;
    padding-bottom: 88px;
  }

  .intro-copy {
    padding-top: 0;
  }

  .number-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    margin-top: 60px;
  }

  .number-strip > div {
    min-height: 88px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  }

  .number-strip > div:nth-child(2) {
    border-right: 0;
  }

  .number-strip > div:nth-child(n + 3) {
    border-bottom: 0;
  }

  .heading-row {
    margin-bottom: 48px;
  }

  .venue-copy {
    order: -1;
  }

  .faq-layout > div:first-child {
    position: static;
  }

  .mobile-reserve {
    position: fixed;
    z-index: 90;
    right: 12px;
    bottom: 12px;
    left: 12px;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: white;
    background: var(--green-deep);
    border-radius: 4px;
    box-shadow: 0 12px 30px rgba(14, 36, 31, 0.3);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
  }

  .mobile-reserve svg {
    width: 17px;
  }
}

@media (max-width: 590px) {
  body {
    font-size: 15px;
  }

  h2,
  .closing-content h2 {
    font-size: 38px;
  }

  .hero h1 {
    font-size: 45px;
  }

  .hero blockquote {
    font-size: 22px;
  }

  .hero-intro {
    font-size: 16px;
  }

  .section-inner {
    width: calc(100% - 40px);
  }

  .number-strip {
    padding-right: 12px;
    padding-left: 12px;
  }

  .number-strip > div {
    align-items: center;
    flex-direction: column;
    gap: 0;
    text-align: center;
  }

  .number-strip strong {
    font-size: 36px;
  }

  .number-strip span {
    font-size: 11px;
  }

  .facilitator-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .facilitator > div {
    min-height: 132px;
    padding: 13px;
  }

  .facilitator h3 {
    font-size: 19px;
  }

  .facilitator p {
    font-size: 14px;
  }

  .venue-image span {
    right: -6px;
  }

  .ticket-card {
    padding: 24px 20px;
  }

  .price strong {
    font-size: 70px;
  }

  .faq-list summary {
    min-height: 74px;
    font-size: 20px;
  }

  .closing-section {
    min-height: 540px;
    background-position: 58% center;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-bottom: 100px;
  }

  .site-footer p,
  .site-footer small {
    text-align: left;
  }

  .footer-links {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}