@import url("fonts.css");

/* ============================================================
   Forever Young Summit — refactored stylesheet
   Dark longevity theme with diagonal section dividers.
   ============================================================ */

:root {
  --bg:        #201f1d;   /* base charcoal */
  --bg-dark:   #1a1918;
  --bg-soft:   #2a2825;
  --green:     #2f4a40;   /* deep botanical green (hero/footer overlay) */
  --green-2:   #24382f;
  --text:      #d9d6cd;   /* warm light grey */
  --muted:     #9c9890;
  --line:      #43403b;
  --accent:    #6f9c84;   /* sage accent */
  --accent-2:  #87b79c;
  --white:     #f3f1ea;

  --maxw: 1180px;
  --pad: clamp(1.1rem, 4vw, 3rem);
  --diag: 5vw;            /* diagonal divider depth */
  --radius: 14px;

  --font-head: "Manrope", system-ui, sans-serif;
  --font-body: "Poppins", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin: 0 0 .6em;
}

.h-section {
  font-size: clamp(2rem, 6vw, 4rem);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #cdcabf;
}

p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .82rem;
  padding: .95em 2em;
  border-radius: 999px;
  border: 1.5px solid var(--accent);
  color: var(--white);
  background: var(--accent);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease;
}
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); text-decoration: none; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--white); }
.btn--ghost:hover { background: var(--white); color: var(--bg-dark); }

/* ============================================================
   Header / navigation
   ============================================================ */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: .7rem var(--pad);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(26,25,24,.92);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--line);
}
.site-header__logo img { height: 46px; width: auto; }

.nav { display: flex; align-items: center; gap: 1.8rem; }
.nav a {
  font-family: var(--font-head);
  font-weight: 700; font-size: .82rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text);
}
.nav a:hover, .nav a[aria-current="page"] { color: var(--white); text-decoration: none; }

.nav-toggle {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; padding: 0; position: relative; z-index: 110;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; position: absolute; left: 9px; right: 9px; height: 2px;
  background: var(--white); transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle span { top: 21px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span::after  { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: 0; flex-direction: column; justify-content: center;
    gap: 1.6rem; background: rgba(20,19,18,.97); backdrop-filter: blur(6px);
    transform: translateX(100%); transition: transform .3s ease;
  }
  .nav a { font-size: 1.3rem; }
  .nav-open .nav { transform: translateX(0); }
}

/* ============================================================
   Bands & diagonal dividers
   ============================================================ */
.band { position: relative; padding-block: clamp(4rem, 9vw, 7rem); }
.band--dark  { background: var(--bg); }
.band--soft  { background: var(--bg-soft); }

/* photo bands carry the botanical background + dark overlay */
.band--photo {
  background: var(--green);
  color: var(--text);
}
.band--photo::before {
  content: ""; position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(rgba(22,32,27,.62), rgba(18,26,22,.78)), url("../img/hero.jpg");
  background-size: cover; background-position: center;
}
.band--photo > .container { position: relative; z-index: 1; }

/* diagonal cuts: depth set by --diag */
.cut-b  { clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--diag)), 0 100%); }
.cut-b-rev { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - var(--diag))); }
.cut-t  { clip-path: polygon(0 var(--diag), 100% 0, 100% 100%, 0 100%); }
.cut-tb { clip-path: polygon(0 var(--diag), 100% 0, 100% calc(100% - var(--diag)), 0 100%); }
/* thin botanical diagonal divider strip between dark sections */
.diag-strip { padding: 0; height: clamp(80px, 12vw, 160px); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  padding-top: 7rem; text-align: center;
}
.hero__inner { max-width: 760px; margin-inline: auto; }
.hero__logo { width: clamp(180px, 38vw, 300px); margin: 0 auto 1.6rem; }
.hero h1 {
  font-size: clamp(2.1rem, 6.2vw, 4rem); letter-spacing: .01em; color: var(--white);
}
.hero__pre { font-family: var(--font-head); letter-spacing: .12em; text-transform: uppercase;
  font-size: .8rem; color: var(--accent-2); margin-bottom: .4rem; }
.hero__meta { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.1rem,2.6vw,1.5rem);
  color: var(--text); margin: 1.4rem 0 1.8rem; }
.hero__meta span { display:block; font-weight: 500; font-size: .95rem; color: var(--muted); letter-spacing:.04em; }
.hero__note { margin-top: 1.3rem; font-size: .9rem; color: var(--muted); letter-spacing: .04em; }
.hero__note a { color: var(--accent-2); }
.hero__badge { width: 120px; margin: 2rem auto 0; opacity: .95; }
.hero__lead { font-size: clamp(1.05rem, 2.4vw, 1.4rem); color: var(--text); max-width: 46ch; margin: .2rem auto 0; }
.day-list { list-style: none; padding: 0; margin: 1.6rem auto 2rem; max-width: 660px; text-align: left; }
.day-list li { padding: .9rem 1.2rem; border: 1px solid var(--line); border-radius: 12px;
  margin-bottom: .8rem; background: var(--bg-soft); color: var(--text); }
.day-list strong { display: block; color: var(--white); font-family: var(--font-head);
  letter-spacing: .03em; margin-bottom: .15rem; }

/* interior page header */
.page-hero { min-height: 44vh; display: flex; align-items: flex-end;
  padding-top: 7rem; padding-bottom: clamp(2rem, 6vw, 4rem); }
.page-hero h1 { font-size: clamp(2.2rem, 7vw, 4.4rem); text-transform: uppercase;
  letter-spacing: .05em; color: #cdcabf; margin: 0; }
.page-hero p { color: var(--text); max-width: 60ch; margin-top: .8rem; }

/* ============================================================
   Section heading block
   ============================================================ */
.section-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head p { color: var(--muted); max-width: 60ch; margin-inline: auto; }

/* ---------- speaker grid ---------- */
.speaker-grid {
  display: grid; gap: clamp(1rem, 2.5vw, 1.8rem);
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
}
.speaker-card {
  background: var(--bg-soft); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; text-align: center;
  transition: transform .2s ease, border-color .2s ease;
}
.speaker-card:hover { transform: translateY(-4px); border-color: var(--accent); }
.speaker-card img { aspect-ratio: 1; object-fit: cover; width: 100%; filter: grayscale(.15); }
.speaker-card__body { padding: 1rem 1rem 1.2rem; }
.speaker-card__name { font-family: var(--font-head); font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; font-size: .92rem; color: var(--white); margin-bottom: .35rem; }
.speaker-card__talk { font-size: .82rem; color: var(--muted); line-height: 1.45; }

.featured { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fill, minmax(150px,1fr)); }
.featured .speaker-card__body { padding: .7rem .6rem .9rem; }
.more-speakers { text-align:center; margin-top: 2.2rem; }

/* ---------- partners ---------- */
.partners {
  display: grid; align-items: center; gap: clamp(1.4rem, 4vw, 3rem);
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
}
.partners img {
  max-height: 64px; width: auto; margin-inline: auto; object-fit: contain;
  opacity: .85; transition: opacity .2s ease, transform .2s ease;
}
.partners a:hover img { opacity: 1; transform: scale(1.05); }

/* ============================================================
   Program timeline
   ============================================================ */
.program { max-width: 880px; margin-inline: auto; }
.stage-title { font-family: var(--font-head); text-transform: uppercase; letter-spacing: .08em;
  color: var(--accent-2); font-size: 1rem; margin: 2.5rem 0 1.4rem; }
.timeline { border-left: 2px solid var(--line); padding-left: clamp(1rem, 4vw, 1.8rem); }
.event { position: relative; display: grid; grid-template-columns: 140px 1fr; gap: 1.2rem; margin-bottom: 2.4rem; }
.event::before { content:""; position:absolute; left: calc(-1 * (clamp(1rem,4vw,1.8rem) + 7px));
  top: .35rem; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.event .time { font-family: var(--font-head); font-weight: 700; color: var(--text); font-size: .9rem; }
.event-content > div:last-child { color: var(--muted); }
.speakers { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: .6rem; }
.event.pause { opacity: .8; }
.event.pause .event-content { font-style: italic; color: var(--muted); }
.speaker { display: flex; flex-direction: column; align-items: center; width: 76px; text-align: center; }
.speaker img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 2px solid var(--line); }
.speaker-name { font-size: .7rem; color: var(--text); margin-top: .35rem; line-height: 1.2; }
@media (max-width: 600px) { .event { grid-template-columns: 1fr; gap: .4rem; } }

.topic-list { list-style: none; padding: 0; margin: 0 0 1rem; }
.topic-list li { padding: .55rem 0; border-bottom: 1px solid var(--line); color: var(--text); }
.topic-list strong { color: var(--white); }

/* ---------- prose (legal pages) ---------- */
.prose { max-width: 820px; margin-inline: auto; }
.prose h2 { color: #cdcabf; text-transform: uppercase; letter-spacing: .04em; margin-top: 2.2rem; }
.prose p { color: var(--text); }
.prose a { word-break: break-word; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { color: var(--text); }
.footer-grid {
  display: grid; gap: 2rem clamp(1.5rem, 5vw, 4rem);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}
.site-footer h4 { font-family: var(--font-head); text-transform: uppercase; letter-spacing: .06em;
  font-size: .95rem; color: var(--white); margin-bottom: 1rem; }
.site-footer a { color: var(--text); }
.site-footer a:hover { color: var(--white); }
.footer-bottom { margin-top: 3rem; padding-top: 1.4rem; border-top: 1px solid rgba(255,255,255,.12);
  display: flex; flex-wrap: wrap; gap: .6rem 1.4rem; justify-content: space-between;
  font-size: .8rem; color: var(--muted); }
.footer-bottom a { color: var(--muted); }

/* floating chat re-open / scroll-top */
.fab {
  position: fixed; right: 1.2rem; bottom: 1.2rem; z-index: 90;
  width: 54px; height: 54px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--accent); color: var(--white); display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(0,0,0,.4); transition: background .2s ease, transform .2s ease;
}
.fab:hover { background: var(--accent-2); transform: scale(1.06); }

/* ============================================================
   Cookie consent banner  (baze-inspired)
   ============================================================ */
.cookie-banner {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 1000;
  max-width: 440px; margin-inline: auto;
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.4rem 1.5rem; box-shadow: 0 18px 50px rgba(0,0,0,.5);
  transform: translateY(160%); opacity: 0; visibility: hidden;
  transition: transform .35s ease, opacity .35s ease, visibility .35s;
}
.cookie-banner.is-visible { transform: translateY(0); opacity: 1; visibility: visible; }
.cookie-banner__head { display: flex; align-items: center; gap: .7rem; margin-bottom: .6rem; }
.cookie-banner__head img { width: 30px; height: 30px; }
.cookie-banner__head h2 { font-size: 1.1rem; margin: 0; color: var(--white); }
.cookie-banner__body { font-size: .85rem; color: var(--muted); margin-bottom: 1.1rem; }
.cookie-banner__actions { display: flex; gap: .7rem; flex-wrap: wrap; }
.cookie-banner__btn { flex: 1 1 auto; font-size: .78rem; padding: .8em 1.2em; }
.cookie-banner__btn--reject { background: transparent; color: var(--text); border-color: var(--line); }
.cookie-banner__btn--reject:hover { background: var(--bg); color: var(--white); border-color: var(--muted); }

@media (min-width: 560px) { .cookie-banner { left: auto; right: 1.2rem; bottom: 1.2rem; margin: 0; } }

/* reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}