*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --navy: #0d1f3c;
  --navy-dark: #07132a;
  --ink: #152033;
  --muted: #667085;
  --line: #e7dfd1;
  --gold: #c9922a;
  --gold-light: #e5ac4a;
  --cream: #f8f3ea;
  --white: #ffffff;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Montserrat", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 5vw;
  background: rgba(7, 19, 42, 0.97);
  color: var(--white);
  box-shadow: 0 12px 32px rgba(7, 19, 42, 0.16);
}

.brand {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.45rem;
  font-weight: 700;
  text-decoration: none;
}

.brand span,
.gold {
  color: var(--gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--gold);
}

.nav-cta,
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.85rem 1.3rem;
  border: 0;
  border-radius: 4px;
  background: var(--gold);
  color: var(--navy-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-cta:hover,
.btn-primary:hover {
  background: var(--gold-light);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.85rem 1.3rem;
  border: 1px solid rgba(13, 31, 60, 0.26);
  border-radius: 4px;
  background: transparent;
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.dark .btn-secondary,
.hero .btn-secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.34);
}

.menu-button,
.close-button {
  display: none;
  border: 0;
  background: transparent;
  color: var(--white);
  cursor: pointer;
}

.menu-button {
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}

.menu-button span {
  width: 25px;
  height: 2px;
  background: currentColor;
}

.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  place-items: center;
  background: var(--navy-dark);
}

.mobile-nav.open {
  display: grid;
}

.mobile-nav-inner {
  display: grid;
  gap: 1.5rem;
  text-align: center;
}

.mobile-nav a {
  color: var(--white);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.close-button {
  position: fixed;
  top: 1.2rem;
  right: 5vw;
  display: block;
  font-size: 2rem;
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: 1fr minmax(340px, 0.9fr);
  background: var(--navy-dark);
  color: var(--white);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(4rem, 8vw, 7rem) 5vw;
}

.hero-media,
.photo-slot {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(201, 146, 42, 0.24), rgba(7, 19, 42, 0.1)),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 28px),
    #132742;
}

.hero-media img,
.photo-slot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-slot::after {
  content: attr(data-photo);
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  padding: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: rgba(7, 19, 42, 0.72);
}

.photo-slot:has(img)::after {
  display: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1rem;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Cormorant Garamond", Georgia, serif;
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.7rem, 7vw, 5.7rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  color: var(--navy);
}

h3 {
  font-size: 1.55rem;
  color: var(--navy);
}

em {
  color: var(--gold);
}

.lead {
  max-width: 660px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 1rem;
  line-height: 1.8;
}

.page-hero {
  padding: 6rem 5vw 4.5rem;
  background:
    repeating-linear-gradient(45deg, transparent 0 62px, rgba(201, 146, 42, 0.05) 62px 63px),
    var(--navy-dark);
  color: var(--white);
}

.page-hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
}

.section {
  padding: 5rem 5vw;
}

.section.alt {
  background: var(--cream);
}

.section.dark {
  background: var(--navy-dark);
  color: var(--white);
}

.section.dark h2,
.section.dark h3 {
  color: var(--white);
}

.container {
  max-width: 1120px;
  margin: 0 auto;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

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

.card,
.route-card,
.article-card {
  padding: 1.6rem;
  border: 1px solid rgba(13, 31, 60, 0.1);
  border-radius: 8px;
  background: var(--white);
  text-decoration: none;
  box-shadow: 0 16px 36px rgba(13, 31, 60, 0.06);
}

.card h3,
.route-card h3,
.article-card h3 {
  margin-bottom: 0.7rem;
}

.card p,
.route-card p,
.article-card p,
.body-copy p,
.body-copy li {
  color: #4c5668;
  line-height: 1.75;
}

.card:hover,
.route-card:hover,
.article-card:hover {
  border-color: rgba(201, 146, 42, 0.7);
  transform: translateY(-2px);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 2rem;
  overflow: hidden;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.18);
}

.stat {
  padding: 1.3rem;
  background: var(--navy-dark);
  color: var(--white);
  text-align: center;
}

.stat strong {
  display: block;
  color: var(--gold);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 2.25rem;
}

.split {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) 1fr;
  gap: 3rem;
  align-items: center;
}

.body-copy {
  font-size: 0.98rem;
}

.quote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--gold);
  background: var(--cream);
  color: var(--navy);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.45;
}

.tag-list {
  display: grid;
  gap: 0.75rem;
  padding-left: 1.2rem;
}

.cta-band {
  padding: 4rem 5vw;
  background: var(--gold);
  color: var(--navy-dark);
  text-align: center;
}

.cta-band h2 {
  color: var(--navy-dark);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.5rem;
}

.center .actions,
.cta-band .actions {
  justify-content: center;
}

.form {
  display: grid;
  gap: 1rem;
  max-width: 760px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--navy);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 0.85rem;
  border: 1px solid rgba(13, 31, 60, 0.18);
  border-radius: 4px;
  font: inherit;
  background: var(--white);
  color: var(--ink);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.status {
  display: none;
  padding: 0.9rem;
  border-radius: 4px;
  line-height: 1.5;
}

.status.visible {
  display: block;
}

.status.success {
  background: #eef8ef;
  color: #1f6b31;
}

.status.error {
  background: #fff1ee;
  color: #9f341f;
}

.book-cover {
  max-width: 280px;
  border-radius: 6px;
  box-shadow: 10px 10px 0 var(--gold);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 2rem 5vw;
  background: #04080f;
  color: rgba(255, 255, 255, 0.45);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.small {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.summit-site {
  --summit-green: #2f6f5e;
  --summit-blue: #185f7d;
  --summit-mist: #edf5f2;
}

.summit-hero {
  padding: clamp(5rem, 9vw, 8rem) 5vw;
  background:
    linear-gradient(120deg, rgba(7, 19, 42, 0.95), rgba(13, 31, 60, 0.86)),
    radial-gradient(circle at 82% 24%, rgba(47, 111, 94, 0.55), transparent 34%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0 1px, transparent 1px 30px),
    var(--navy-dark);
  color: var(--white);
}

.summit-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
}

.summit-hero h1 {
  max-width: 780px;
}

.summit-hero-copy {
  max-width: 700px;
  margin: 1.35rem 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.04rem;
  line-height: 1.85;
}

.summit-hero-panel {
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 56px rgba(0, 0, 0, 0.22);
}

.panel-label {
  margin: 0 0 1rem;
  color: var(--gold);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.summit-hero-panel strong {
  display: block;
  color: var(--white);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 4.4rem;
  line-height: 0.9;
}

.summit-hero-panel span {
  display: block;
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.75;
}

.summit-intro {
  border-bottom: 1px solid rgba(13, 31, 60, 0.08);
}

.sponsor-levels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.sponsor-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  gap: 1.4rem;
  padding: 1.45rem;
  border: 1px solid rgba(13, 31, 60, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 16px 34px rgba(13, 31, 60, 0.06);
}

.sponsor-card.featured {
  border-color: rgba(201, 146, 42, 0.56);
  box-shadow: 0 18px 42px rgba(201, 146, 42, 0.16);
}

.sponsor-card-top p {
  margin: 0 0 0.5rem;
  color: var(--summit-green);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sponsor-card-top strong {
  color: var(--navy);
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 2.4rem;
  line-height: 1;
}

.sponsor-card ul {
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding-left: 1.15rem;
}

.sponsor-card li {
  color: #4c5668;
  line-height: 1.6;
}

.benefits-table-wrap {
  margin-top: 2rem;
  overflow-x: auto;
  border: 1px solid rgba(13, 31, 60, 0.11);
  border-radius: 8px;
  box-shadow: 0 16px 34px rgba(13, 31, 60, 0.05);
}

.benefits-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--white);
}

.benefits-table th,
.benefits-table td {
  padding: 1rem;
  border-bottom: 1px solid rgba(13, 31, 60, 0.08);
  text-align: left;
  line-height: 1.5;
}

.benefits-table th {
  background: var(--summit-mist);
  color: var(--navy);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.benefits-table tbody tr:last-child td {
  border-bottom: 0;
}

.summit-addons {
  margin-top: 2rem;
}

.summit-addons .card {
  background: rgba(255, 255, 255, 0.96);
}

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

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .hero,
  .split,
  .grid,
  .grid.two,
  .summit-hero-inner,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-media {
    min-height: 56vh;
  }

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

@media (max-width: 560px) {
  .section,
  .page-hero {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }

  .hero-copy {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }

  .actions,
  .actions a,
  .actions button {
    width: 100%;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .sponsor-levels {
    grid-template-columns: 1fr;
  }

  .summit-hero-panel strong {
    font-size: 3.5rem;
  }
}