@import url("https://fonts.googleapis.com/css2?family=Dela+Gothic+One&family=Inter:wght@400;500;600;700&display=swap");

:root {
  --color-primary: #f3ce2d;
  --color-dark-green: #556250;
  --color-green: #7d906f;
  --color-green-light: #8da37d;
  --color-card: #637461;
  --color-surface: #ffffff;
  --color-ink: #101010;
  --color-section-dark: #242424;
  --color-muted: #969e88;
  --color-line: #c7d1c9;

  --font-display: "Dela Gothic One", cursive;
  --font-body: "Inter", sans-serif;

  --space-xs: 8px;
  --space-sm: 10px;
  --space-md: 16px;
  --space-lg: 18px;
  --space-xl: 32px;
  --space-xxl: 48px;
  --space-xxxl: 80px;

  --radius-sm: 4px;
  --radius-md: 9px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-surface);
  line-height: 1.5;
}

h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  margin: 0 0 var(--space-md);
  color: var(--color-dark-green);
}

p {
  margin: 0 0 var(--space-md);
}

a {
  color: inherit;
}

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: var(--space-lg);
}

.brand {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--color-dark-green);
  text-decoration: none;
  line-height: 1.3;
}

.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav a {
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-dark-green);
}

.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  background: var(--color-dark-green);
  padding: 6px 14px;
  border-radius: 999px;
}

/* Nav toggle (mobile hamburger) */
.nav-toggle-checkbox {
  display: none;
}

.nav-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle-btn span,
.nav-toggle-btn span::before,
.nav-toggle-btn span::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-dark-green);
  position: relative;
  transition: transform 0.15s ease, background 0.15s ease;
}

.nav-toggle-btn span::before { top: -7px; }
.nav-toggle-btn span::after { top: 5px; }

.nav-toggle-checkbox:checked ~ .nav-toggle-btn span { background: transparent; }
.nav-toggle-checkbox:checked ~ .nav-toggle-btn span::before { top: 0; transform: rotate(45deg); }
.nav-toggle-checkbox:checked ~ .nav-toggle-btn span::after { top: -2px; transform: rotate(-45deg); }

.main-nav-wrap {
  display: none;
}

.nav-toggle-checkbox:checked ~ .main-nav-wrap {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-line);
  box-shadow: 0 12px 24px -12px rgba(16, 16, 16, 0.2);
}

.main-nav-wrap .main-nav {
  flex-direction: column;
  gap: 0;
  padding: var(--space-sm) 0;
}

.main-nav-wrap .main-nav li {
  border-bottom: 1px solid var(--color-line);
}

.main-nav-wrap .main-nav li:last-child {
  border-bottom: none;
}

.main-nav-wrap .main-nav a {
  display: block;
  padding: var(--space-md) var(--space-xl);
}

.main-nav-wrap .main-nav a[aria-current="page"] {
  border-radius: 0;
}

@media (min-width: 1024px) {
  .nav-toggle-btn {
    display: none;
  }

  .main-nav-wrap {
    display: block;
    position: static;
    background: none;
    border-bottom: none;
    box-shadow: none;
  }

  .main-nav-wrap .main-nav {
    flex-direction: row;
    gap: var(--space-lg);
    padding: 0;
  }

  .main-nav-wrap .main-nav li {
    border-bottom: none;
  }

  .main-nav-wrap .main-nav a {
    display: inline;
    padding: 0;
  }

  .main-nav-wrap .main-nav a[aria-current="page"] {
    padding: 6px 14px;
    border-radius: 999px;
  }
}

/* Hero */
.hero {
  position: relative;
  background: var(--color-dark-green);
  color: var(--color-surface);
  padding: var(--space-xxxl) 0;
  overflow: hidden;
}

.hero .tree-deco {
  position: absolute;
  top: 0;
  height: 100%;
  width: auto;
  opacity: 0.35;
  pointer-events: none;
  display: none;
}

.hero .tree-deco--left { left: -20px; }
.hero .tree-deco--right { right: -20px; }

@media (min-width: 900px) {
  .hero .tree-deco {
    display: block;
  }
}

.hero .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  font-size: 14px;
  color: var(--color-primary);
}

.hero h1 {
  color: var(--color-surface);
  font-size: clamp(32px, 5vw, 56px);
  max-width: 16ch;
}

.hero .meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  font-size: 15px;
  color: var(--color-line);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  border-radius: 999px;
  text-transform: uppercase;
}

/* Sections */
.section {
  padding: var(--space-xxxl) 0;
}

.section--muted {
  background: #f4f6f2;
}

.section-title {
  font-size: clamp(26px, 4vw, 40px);
}

.section-lead {
  max-width: 60ch;
  color: var(--color-green);
  font-size: 18px;
}

/* Cards */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

.card img {
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
  aspect-ratio: 4/3;
  object-fit: cover;
  width: 100%;
}

.card h3 {
  font-size: 18px;
}

.card p {
  color: #4a4a4a;
  font-size: 15px;
}

.stat {
  text-align: center;
}

.stat .number {
  font-family: var(--font-display);
  font-size: 40px;
  color: var(--color-dark-green);
}

/* Before/after */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.compare figure {
  margin: 0;
  position: relative;
}

.compare img {
  border-radius: 0;
  aspect-ratio: 1;
  object-fit: cover;
  width: 100%;
}

.compare figcaption {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: rgba(16, 16, 16, 0.7);
  color: var(--color-surface);
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
}

/* Event cards */
.event-card {
  background: var(--color-dark-green);
  color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.event-card .date {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 20px;
}

.event-card .speaker {
  background: var(--color-card);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
}

.event-card .speaker .role {
  color: var(--color-primary);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.event-card .speaker .name {
  font-family: var(--font-display);
  font-size: 22px;
  margin: var(--space-xs) 0;
}

.event-card .speaker .desc {
  color: var(--color-line);
  font-size: 14px;
  margin: 0;
}

.event-card .footer-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
  font-size: 13px;
  color: var(--color-line);
}

.event-card .tag {
  color: var(--color-primary);
  font-weight: 700;
  text-transform: uppercase;
}

.event-card.is-past {
  background: #eef1ec;
  color: var(--color-ink);
}

.event-card.is-past .speaker {
  background: var(--color-surface);
  border-color: var(--color-line);
}

.event-card.is-past .speaker .desc {
  color: #4a4a4a;
}

/* Timeline (calendar plan) */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.timeline-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: var(--space-xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-line);
}

.timeline-item--noimg {
  grid-template-columns: 1fr;
}

.timeline-item h3 {
  font-size: 17px;
  margin-bottom: 4px;
}

.timeline-item p {
  font-size: 15px;
  color: #4a4a4a;
  margin: 0;
}

/* History */
.history-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.history-text p {
  font-size: 17px;
  line-height: 1.65;
  max-width: 65ch;
}

.history-figure {
  margin: 0;
}

.history-figure img {
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  border-radius: var(--radius-lg);
  background: #e9ece6;
}

.history-figure figcaption,
.gallery figcaption {
  margin-top: var(--space-xs);
  font-size: 13px;
  line-height: 1.4;
  color: var(--color-muted);
}

@media (min-width: 900px) {
  .history-row {
    grid-template-columns: 3fr 2fr;
    gap: var(--space-xxl);
  }
  .history-row--reverse .history-figure {
    order: -1;
  }
  .history-row--reverse {
    grid-template-columns: 2fr 3fr;
  }
}

.history-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--space-lg);
}

.history-timeline li {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding-top: var(--space-md);
  border-top: 3px solid var(--color-primary);
  font-size: 15px;
}

.history-timeline .year {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--color-dark-green);
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-xl) var(--space-lg);
}

.gallery figure {
  margin: 0;
}

.gallery img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* Map / location */
.location-list {
  list-style: none;
  counter-reset: landmark;
  margin: 0;
  padding: 0;
  columns: 2;
  gap: var(--space-xl);
}

.location-list li {
  counter-increment: landmark;
  padding: 6px 0;
  font-size: 15px;
  border-bottom: 1px dashed var(--color-line);
}

.location-list li::before {
  content: counter(landmark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--color-dark-green);
  color: var(--color-surface);
  font-size: 12px;
  font-weight: 700;
}

/* CTA */
.cta {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--space-xxl);
  text-align: center;
}

.cta h2 {
  color: var(--color-ink);
}

.button {
  display: inline-block;
  background: var(--color-dark-green);
  color: var(--color-surface);
  text-decoration: none;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  margin-top: var(--space-md);
}

/* Footer */
.site-footer {
  background: var(--color-ink);
  color: var(--color-line);
  padding: var(--space-xxl) 0;
  font-size: 14px;
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

@media (max-width: 640px) {
  .timeline-item {
    grid-template-columns: 72px 1fr;
    align-items: start;
    gap: var(--space-md);
  }
  .timeline-item--noimg {
    grid-template-columns: 1fr;
  }
  .location-list {
    columns: 1;
  }
}