/* ============================================
   The Third Shore — Venice Founding Edition
   Stylesheet
   ============================================ */

/* ---------- Theme Variables ---------- */
:root {
  --font-serif: 'Cormorant Garamond', 'Noto Serif SC', serif;
  --font-sans: 'Inter', 'Noto Sans SC', sans-serif;
  --font-mono: 'Space Grotesk', monospace;
  --max-width: 1200px;
  --radius: 4px;
  --transition: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Theme — Midnight Lagoon (locked) */
[data-theme="midnight"] {
  --bg: #0A0E1A;
  --bg-alt: #121829;
  --bg-card: #161D30;
  --text: #E8E6E1;
  --text-dim: #8B92A8;
  --accent: #C9A961;
  --accent-2: #3D7B8C;
  --border: rgba(201, 169, 97, 0.15);
  --glow: rgba(201, 169, 97, 0.08);
  --wave-1: rgba(61, 123, 140, 0.12);
  --wave-2: rgba(201, 169, 97, 0.06);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition), color var(--transition);
}

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

a { color: inherit; text-decoration: none; }

::selection { background: var(--accent); color: var(--bg); }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--font-serif); font-weight: 400; line-height: 1.1; }

.zh { font-family: var(--font-sans); font-size: 0.7em; color: var(--text-dim); font-weight: 400; letter-spacing: 0.05em; }

.zh-note { font-family: var(--font-sans); font-size: 0.85rem; color: var(--text-dim); margin-top: 1rem; line-height: 1.6; }

.opt { font-size: 0.8em; color: var(--text-dim); }

/* ---------- Layout ---------- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

.section { padding: 7rem 0; position: relative; }

.section__head { margin-bottom: 3.5rem; }

.section__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 1rem;
}

.section__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  letter-spacing: -0.01em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--accent);
  color: var(--bg);
}
.btn--primary:hover {
  background: transparent;
  border-color: var(--accent);
  color: var(--accent);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--block { width: 100%; justify-content: center; margin-top: 1rem; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.2rem 0;
  transition: all var(--transition);
}
.nav--scrolled {
  background: rgba(10, 14, 26, 0.85);
  backdrop-filter: blur(12px);
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  letter-spacing: 0.02em;
}
.nav__links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}
.nav__links a {
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  transition: color var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
}
.nav__links a:hover { color: var(--accent); }
.nav__cta {
  border: 1px solid var(--accent);
  color: var(--accent) !important;
  padding: 0.5rem 1.2rem;
  border-radius: var(--radius);
}
.nav__cta:hover { background: var(--accent); color: var(--bg) !important; }
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  transition: all var(--transition);
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 0 2rem;
}
.hero__bg { position: absolute; inset: 0; z-index: 0; }
.hero__wave {
  position: absolute;
  bottom: -10%;
  left: -10%;
  width: 120%;
  height: 60%;
  background: radial-gradient(ellipse at center, var(--wave-1) 0%, transparent 70%);
  animation: waveFloat 12s ease-in-out infinite;
}
.hero__wave--2 {
  bottom: -20%;
  background: radial-gradient(ellipse at center, var(--wave-2) 0%, transparent 70%);
  animation-delay: -4s;
  animation-duration: 16s;
}
.hero__wave--3 {
  bottom: -30%;
  background: radial-gradient(ellipse at center, var(--wave-1) 0%, transparent 70%);
  animation-delay: -8s;
  animation-duration: 20s;
}
.hero__glow {
  position: absolute;
  top: 30%; left: 50%;
  transform: translate(-50%, -50%);
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--glow) 0%, transparent 65%);
  pointer-events: none;
}
@keyframes waveFloat {
  0%, 100% { transform: translateX(0) scale(1); }
  50% { transform: translateX(3%) scale(1.05); }
}
.hero__content { position: relative; z-index: 1; max-width: 900px; }
.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.hero__title {
  font-size: clamp(3.5rem, 12vw, 8rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
  background: linear-gradient(180deg, var(--text) 30%, var(--text-dim) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero__subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.3rem, 4vw, 2.2rem);
  color: var(--accent);
  margin-bottom: 2.5rem;
}
/* Sub-page hero (shorter) */
.hero--sub { min-height: 80vh; }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 3rem;
}
.hero__meta .dot { color: var(--accent); }
.hero__actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 24px; height: 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
  z-index: 1;
}
.hero__scroll span {
  width: 3px; height: 8px;
  background: var(--accent);
  border-radius: 2px;
  animation: scrollDot 2s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(0); }
  50% { opacity: 1; }
  100% { opacity: 0; transform: translateY(12px); }
}

/* ---------- Mission ---------- */
.mission { background: var(--bg); }
.mission__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.mission__statement {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.25;
  color: var(--text);
}
.mission__statement em { color: var(--accent); font-style: italic; }
.mission__body p { color: var(--text-dim); margin-bottom: 1.5rem; }
.mission__body strong { color: var(--text); font-weight: 500; }
.mission__quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--accent);
  border-left: 2px solid var(--accent);
  padding-left: 1.5rem;
  margin-top: 2rem;
}
.mission__quote cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.9rem;
  font-style: normal;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
/* Values */
.values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 4rem;
  border-top: 1px solid var(--border);
  padding-top: 3rem;
}
.value__num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.5rem;
  color: var(--accent);
}
.value h3 { font-size: 1.3rem; margin: 0.8rem 0 0.6rem; }
.value p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Vision ---------- */
.vision { background: var(--bg-alt); }
.vision__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.vision__item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.8rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.vision__item:hover { border-color: var(--accent); transform: translateY(-4px); }
.vision__icon { color: var(--accent); font-size: 1.2rem; line-height: 1.6; }
.vision__item p { color: var(--text-dim); }

/* ---------- Principles ---------- */
.principles { background: var(--bg); }
.principles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.principle {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  border-top: 2px solid var(--accent);
  transition: all var(--transition);
}
.principle:hover { transform: translateY(-4px); box-shadow: 0 20px 60px var(--glow); }
.principle h3 { font-size: 1.5rem; margin-bottom: 0.8rem; color: var(--accent); }
.principle p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Programs ---------- */
.programs { background: var(--bg-alt); }
.programs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.program {
  padding: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.program:hover { border-color: var(--accent); transform: translateY(-4px); }
.program__tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}
.program h3 { font-size: 1.3rem; margin-bottom: 0.8rem; }
.program p { color: var(--text-dim); font-size: 0.9rem; flex-grow: 1; }
.program__link {
  margin-top: 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.05em;
}
.program__link:hover { opacity: 0.7; }

/* ---------- Governance ---------- */
.governance { background: var(--bg); }
.governance__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.governance__col h3 { font-size: 1.5rem; margin-bottom: 1rem; color: var(--accent); }
.governance__col p { color: var(--text-dim); font-size: 0.9rem; }
.governance__ethics {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}
.governance__ethics span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.5rem 1rem;
}

/* ---------- Editions ---------- */
.editions { background: var(--bg-alt); }
.section__sub { color: var(--text-dim); margin-top: 1rem; max-width: 600px; }
.edition--featured {
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 3rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3rem;
  margin-bottom: 2rem;
  transition: all var(--transition);
}
.edition--featured:hover { border-color: var(--accent); }
.edition__header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.edition__badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--accent);
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
}
.edition__date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
}
.edition__title { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
.edition__tagline { color: var(--text-dim); margin-bottom: 2rem; max-width: 520px; }
.edition__facts { list-style: none; border-top: 1px solid var(--border); margin-bottom: 2rem; }
.edition__facts li {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.edition__actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn--small { padding: 0.7rem 1.4rem; font-size: 0.8rem; }
.edition__visual { display: flex; justify-content: center; }
.editions__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.edition--mini {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: all var(--transition);
}
.edition--mini:hover { border-color: var(--accent); transform: translateY(-4px); }
.edition--mini .edition__date { display: block; margin-bottom: 0.8rem; }
.edition--mini .edition__title { font-size: 1.5rem; margin-bottom: 0.6rem; }
.edition--mini .edition__tagline { margin: 0; font-size: 0.9rem; }
.edition__card {
  position: relative;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 3/4;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  overflow: hidden;
  transition: all var(--transition);
}
.edition__card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 20px 60px var(--glow); }
.edition__year {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--accent);
  line-height: 1;
}
.edition__place {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}
.edition__lines {
  position: absolute;
  top: 0; right: 2rem;
  height: 100%;
  display: flex;
  gap: 8px;
  opacity: 0.4;
}
.edition__lines span {
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--accent), transparent);
  height: 100%;
}
.edition__lines span:nth-child(2) { height: 70%; margin-top: 15%; }
.edition__lines span:nth-child(3) { height: 40%; margin-top: 30%; }
.edition__caption {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1rem;
  color: var(--text-dim);
}

/* ---------- Panel ---------- */
.panel { background: var(--bg); }
.panel__intro { max-width: 700px; margin-bottom: 4rem; }
.panel__tagline {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  color: var(--accent);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}
.panel__intro p { color: var(--text-dim); }
.panel__speakers-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.speakers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.speaker {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.speaker:hover { border-color: var(--accent); transform: translateY(-4px); }
.speaker__avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  margin: 0 auto 1.2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  opacity: 0.3;
  transition: opacity var(--transition);
}
.speaker:hover .speaker__avatar { opacity: 0.6; }
.speaker__name { font-size: 1.2rem; margin-bottom: 0.3rem; }
.speaker__role { font-size: 0.85rem; color: var(--text-dim); }
.panel__speakers-note { text-align: center; margin-top: 2.5rem; }

/* ---------- Schedule ---------- */
.schedule { background: var(--bg-alt); }
.timeline { max-width: 700px; margin: 0 auto; }
.timeline__item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 2rem;
  padding-bottom: 2.5rem;
  position: relative;
}
.timeline__item:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 100px;
  top: 2rem;
  bottom: 0;
  width: 1px;
  background: var(--border);
}
.timeline__time {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--accent);
  padding-top: 0.2rem;
}
.timeline__content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  transition: all var(--transition);
}
.timeline__content:hover { border-color: var(--accent); }
.timeline__content h3 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.timeline__content p { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Partners ---------- */
.partners { background: var(--bg); }
.partners__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}
.partner {
  padding: 3rem 2.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.partner:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: 0 20px 60px var(--glow); }
.partner__logo {
  width: 56px; height: 56px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--accent);
  margin-bottom: 1.5rem;
}
.partner__name { font-size: 1.5rem; margin-bottom: 0.5rem; }
.partner__role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}
.partner__desc { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Contact ---------- */
.contact { background: var(--bg-alt); padding-bottom: 8rem; }
.contact__inner {
  max-width: 640px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3.5rem;
}
.contact__head { text-align: center; margin-bottom: 2.5rem; }
.contact__head .section__label { margin-bottom: 0.8rem; }
.contact__sub { color: var(--text-dim); font-size: 0.9rem; margin-top: 1rem; }
.contact__form { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field--full { grid-column: 1 / -1; }
.field label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.field input, .field select, .field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: all var(--transition);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-dim); opacity: 0.5; }
.contact__note { text-align: center; margin-top: 1.5rem; }
.contact__success { text-align: center; padding: 2rem 0; }
.contact__success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg);
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
}
.contact__success h3 { font-size: 2rem; margin-bottom: 0.5rem; }
.contact__success p { color: var(--text-dim); }

/* ---------- Footer ---------- */
.footer { background: var(--bg); border-top: 1px solid var(--border); padding: 3rem 0; }
.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}
.footer__logo { font-family: var(--font-serif); font-size: 1.3rem; }
.footer__tag { font-size: 0.8rem; color: var(--text-dim); margin-top: 0.3rem; }
.footer__links { display: flex; gap: 1.5rem; }
.footer__links a { font-size: 0.85rem; color: var(--text-dim); transition: color var(--transition); }
.footer__links a:hover { color: var(--accent); }
.footer__meta { text-align: right; }
.footer__meta p { font-size: 0.8rem; color: var(--text-dim); }

/* ---------- Reveal Animation ---------- */
.reveal {
  opacity: 1;
  transform: translateY(0);
}
/* JS enabled: subtle fade-up on first scroll into view */
.js-enabled .reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.js-enabled .reveal.is-hidden {
  opacity: 0;
  transform: translateY(24px);
}
.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .mission__grid, .edition--featured { grid-template-columns: 1fr; gap: 3rem; }
  .vision__grid, .principles__grid, .programs__grid, .governance__grid { grid-template-columns: repeat(2, 1fr); }
  .speakers__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .section { padding: 4.5rem 0; }
  .nav__toggle { display: flex; }
  .nav__links {
    position: fixed;
    top: 0; right: 0;
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-alt);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    padding: 2rem;
    transform: translateX(100%);
    transition: transform var(--transition);
    border-left: 1px solid var(--border);
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__links a { font-size: 1rem; }
  .speakers__grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .partners__grid { grid-template-columns: 1fr; }
  .vision__grid, .principles__grid, .programs__grid, .governance__grid { grid-template-columns: 1fr; }
  .contact__inner { padding: 2.5rem 1.5rem; }
  .contact__form { grid-template-columns: 1fr; }
  .timeline__item { grid-template-columns: 60px 1fr; gap: 1.2rem; }
  .timeline__item:not(:last-child)::before { left: 80px; }
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__meta { text-align: center; }
  .hero__meta { gap: 0.5rem; font-size: 0.75rem; }
  .hero__actions { flex-direction: column; width: 100%; max-width: 280px; }
}