/* =========================================================
   AWS Community Day 2026 — West Africa
   Design tokens per design_handoff_community_day_2026/README.md
   ========================================================= */

:root{
  --bg:            #0B1018;
  --surface:       #111826;
  --surface-sunken:#0E141F;
  --surface-ph:    #131B29;
  --hover-surface: #1A2334;
  --border-strong: #232D3F;
  --border-medium: #2A3547;
  --border-subtle: #1D2636;
  --accent:        #FF9900;
  --accent-hover:  #FFB340;
  --text-primary:  #F2F5FA;
  --text-high:     #DCE3EE;
  --text-body:     #9FAABE;
  --text-muted:    #8892A6;
  --text-dim:      #7E8AA0;
  --text-faint:    #5A6579;
  --text-placeholder: #4A5670;
  --nav-link:      #C3CBD9;

  --f-display: 'Archivo', sans-serif;
  --f-mono: 'JetBrains Mono', monospace;
  --f-body: 'IBM Plex Sans', sans-serif;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text-primary);
  font-family:var(--f-body);
}
a{ color:var(--accent); text-decoration:none; }
a:hover{ color:var(--accent-hover); }
::selection{ background:var(--accent); color:var(--bg); }
img{ display:block; max-width:100%; }
button{ font-family:inherit; }

.wrap{ max-width:1280px; margin:0 auto; padding:0 32px; }

.kicker{
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.16em;
  color:var(--accent); margin-bottom:16px;
}
.accent-text{ color:var(--accent); }

/* ---------- buttons ---------- */
.btn{
  display:inline-block; text-decoration:none; cursor:pointer; border:none;
  font-family:var(--f-display); font-weight:800; letter-spacing:0.02em;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent); color:var(--bg);
  padding:11px 24px; font-size:14px;
}
.btn-primary:hover{ background:var(--accent-hover); color:var(--bg); }
.btn-lg.btn-primary{ padding:20px 44px; font-size:18px; }
.btn-outline{
  background:transparent; border:1px solid var(--border-medium); color:var(--text-high);
  padding:14px 26px; font-weight:700; font-size:15px; font-family:var(--f-body);
}
.btn-outline:hover{ background:var(--surface-ph); color:var(--text-high); }
.btn-lg.btn-outline{ padding:20px 36px; font-size:16px; }
.btn-dark{
  background:var(--bg); color:var(--accent);
  padding:22px 52px; font-size:19px;
}
.btn-dark:hover{ background:var(--hover-surface); color:var(--accent); }

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(11,16,24,0.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-subtle);
}
.header-row{
  padding:14px 32px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
}
.logo{ height:44px; width:auto; flex-shrink:0; }
.nav{ display:flex; align-items:center; gap:30px; }
.nav a{
  color:var(--nav-link); font-size:14px; font-weight:600; font-family:var(--f-body);
}
.nav a:hover{ color:var(--accent); }

.header-actions{ display:flex; align-items:center; gap:16px; flex-shrink:0; }

.menu-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:38px; height:38px; background:none; border:1px solid var(--border-medium);
  flex-shrink:0; cursor:pointer;
}
.menu-toggle span{ display:block; height:2px; width:18px; background:var(--text-high); margin:0 auto; }

.mobile-nav{
  display:none; flex-direction:column; gap:2px;
  border-top:1px solid var(--border-subtle);
  background:var(--surface-sunken);
}
.mobile-nav a{
  padding:16px 32px; color:var(--nav-link); font-size:14px; font-weight:600;
  border-bottom:1px solid var(--border-subtle);
}
.mobile-nav.open{ display:flex; }

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative; overflow:hidden;
  border-bottom:1px solid var(--border-subtle);
}
.hero-bg{
  position:absolute; inset:0; background:var(--surface-ph);
  display:flex; align-items:center; justify-content:center;
  filter:grayscale(0.3) contrast(1.05);
}
.hero-bg img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.hero-bg-label{
  position:relative; z-index:1;
  font-family:var(--f-mono); font-size:13px; color:var(--text-placeholder);
  letter-spacing:0.1em; text-align:center; padding:0 24px; max-width:520px;
}
.hero-scrim{ position:absolute; inset:0; background:rgba(11,16,24,0.82); }
.hero-grid{
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size:56px 56px;
}
.hero-scanline{
  position:absolute; left:0; right:0; top:0; height:2px;
  background:var(--accent); opacity:0.22;
  animation:scanline 9s linear infinite;
}

.hero-content{
  position:relative; z-index:2;
  padding:104px 32px 88px;
}

.chip{
  display:inline-flex; align-items:center; gap:10px;
  border:1px solid var(--border-medium); padding:7px 16px;
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.14em; color:var(--text-body);
  margin-bottom:38px;
}
.chip-dot{
  width:7px; height:7px; background:var(--accent); display:inline-block;
  animation:blink 1.6s ease-in-out infinite;
}

.headline{
  font-family:var(--f-display); font-weight:900;
  font-size:clamp(52px,9vw,132px); line-height:0.88; letter-spacing:-0.03em;
  margin:0 0 8px;
}
.headline .accent{ color:var(--accent); }

.theme-line{
  max-width:760px; font-size:clamp(19px,2.2vw,27px); font-weight:600;
  line-height:1.35; color:var(--text-high); margin:26px 0 14px;
  text-wrap:pretty;
}
.cost-line{
  font-family:var(--f-mono); font-size:13px; letter-spacing:0.08em;
  color:var(--text-muted); margin:0 0 44px;
}

.countdown{ display:flex; gap:2px; flex-wrap:wrap; margin-bottom:44px; }
.cd-cell{
  background:var(--surface-ph); border:1px solid var(--border-strong);
  padding:22px 30px; min-width:132px;
}
.cd-num{
  font-family:var(--f-mono); font-weight:700; font-size:52px; line-height:1;
  color:var(--text-primary);
}
.cd-num.accent-num{ color:var(--accent); }
.cd-lbl{
  font-family:var(--f-mono); font-size:11px; letter-spacing:0.16em;
  color:var(--text-dim); margin-top:10px; text-transform:uppercase;
}
.countdown-state{
  font-family:var(--f-display); font-weight:800; font-size:clamp(22px,3vw,32px);
  color:var(--accent); margin-bottom:44px;
}

.cta-row{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; }

.rise{
  opacity:0; transform:translateY(26px);
  animation:riseIn 0.7s ease forwards;
  animation-delay:var(--d, 0s);
}

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee{
  overflow:hidden; white-space:nowrap; background:var(--accent); padding:11px 0;
}
.marquee-track{ display:inline-block; animation:marquee 26s linear infinite; }
.marquee-text{
  font-family:var(--f-mono); font-weight:700; font-size:13px; letter-spacing:0.16em;
  color:var(--bg);
}

/* =========================================================
   SECTION SHELL
   ========================================================= */
.section{ padding:104px 0; }
.section-title{
  font-family:var(--f-display); font-weight:800;
  font-size:clamp(34px,4.4vw,54px); letter-spacing:-0.02em; line-height:1.05;
  margin:0 0 54px;
}
.section-lead{ color:var(--text-body); font-size:17px; max-width:620px; margin:0 0 44px; line-height:1.65; }

[data-reveal]{
  opacity:0; transform:translateY(26px);
  transition:opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].revealed{ opacity:1; transform:translateY(0); }

/* =========================================================
   EVENT / TWO DAYS
   ========================================================= */
.day-grid{ display:grid; grid-template-columns:1fr 1fr; gap:2px; }
.day-card{
  background:var(--surface); border:1px solid var(--border-strong); padding:44px;
}
.day-head{ display:flex; align-items:baseline; gap:14px; margin-bottom:26px; }
.day-num{ font-family:var(--f-display); font-weight:900; font-size:64px; line-height:0.85; color:var(--accent); }
.day-date{ font-family:var(--f-mono); font-size:12px; letter-spacing:0.16em; color:var(--text-dim); }
.day-title{ font-family:var(--f-display); font-weight:800; font-size:30px; margin:0 0 12px; }
.day-body{ color:var(--text-body); font-size:16px; line-height:1.65; margin:0; text-wrap:pretty; }
.day-meta{
  margin-top:28px; padding-top:22px; border-top:1px solid var(--border-strong);
  font-family:var(--f-mono); font-size:12px; letter-spacing:0.1em; color:var(--text-primary);
}

/* =========================================================
   VENUE
   ========================================================= */
.venue-band{
  border-top:1px solid var(--border-subtle); border-bottom:1px solid var(--border-subtle);
  background:var(--surface-sunken);
}
.venue-grid{ display:grid; grid-template-columns:1fr 1fr; align-items:stretch; }
.venue-copy{ padding:88px 56px 88px 0; display:flex; flex-direction:column; justify-content:center; }
.venue-title{
  font-family:var(--f-display); font-weight:800; font-size:clamp(30px,3.6vw,44px);
  letter-spacing:-0.02em; line-height:1.1; margin:0 0 24px;
}
.venue-desc{ color:var(--text-body); font-size:16px; line-height:1.7; margin:0 0 32px; max-width:440px; }
.fact-rows{ display:flex; flex-direction:column; gap:2px; max-width:440px; }
.fact-row{
  display:flex; justify-content:space-between; gap:20px;
  background:var(--surface); border:1px solid var(--border-strong);
  padding:16px 20px; font-size:14px;
}
.fact-label{ color:var(--text-dim); font-family:var(--f-mono); font-size:12px; letter-spacing:0.1em; }
.fact-value{ font-weight:600; }
.venue-photo{
  border-left:1px solid var(--border-subtle); min-height:460px; background:var(--surface-ph);
  display:flex; align-items:center; justify-content:center;
}
.venue-photo span{
  font-family:var(--f-mono); font-size:12px; color:var(--text-placeholder);
  letter-spacing:0.1em; text-align:center; padding:0 24px;
}

/* =========================================================
   HIGHLIGHTS / SLIDER
   ========================================================= */
.slider-shell{
  position:relative; border:1px solid var(--border-strong); background:var(--surface-sunken);
}
.slider-track{
  display:flex; gap:2px; overflow-x:auto; scroll-behavior:smooth;
  scroll-snap-type:x mandatory; padding:2px;
}
.slide{
  flex:0 0 auto; width:640px; height:400px; background:var(--surface-ph);
  scroll-snap-align:start; position:relative;
  display:flex; align-items:flex-end; justify-content:flex-start;
}
.slide-slot{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  font-family:var(--f-mono); font-size:12px; color:var(--text-placeholder);
  letter-spacing:0.1em; text-align:center; padding:0 24px;
}
.slide-caption{
  position:relative; z-index:2; padding:20px 24px;
  font-family:var(--f-mono); font-size:11px; letter-spacing:0.12em; color:var(--text-muted);
}
.slide-arrow{
  position:absolute; top:50%; transform:translateY(-50%);
  width:46px; height:46px; background:var(--bg); border:1px solid var(--border-medium);
  color:var(--text-primary); font-size:19px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
}
.slide-arrow:hover{ background:var(--accent); border-color:var(--accent); color:var(--bg); }
.arrow-prev{ left:16px; } .arrow-next{ right:16px; }
.slider-helper{
  margin-top:16px; font-family:var(--f-mono); font-size:11px; letter-spacing:0.12em; color:var(--text-faint);
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-band{ border-top:1px solid var(--border-subtle); background:var(--surface-sunken); }
.faq-grid{ padding:104px 32px; display:grid; grid-template-columns:0.85fr 1.15fr; gap:64px; align-items:start; }
.faq-title{
  font-family:var(--f-display); font-weight:800; font-size:clamp(30px,3.8vw,48px);
  letter-spacing:-0.02em; line-height:1.05; margin:0 0 22px;
}
.faq-desc{ color:var(--text-body); font-size:16px; line-height:1.7; max-width:360px; margin:0 0 24px; }
.accordion{ display:flex; flex-direction:column; gap:2px; }
.faq-item{ background:var(--surface); border:1px solid var(--border-strong); }
.faq-q{
  width:100%; background:none; border:none; padding:24px 26px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  cursor:pointer; text-align:left; color:var(--text-primary);
  font-family:var(--f-display); font-weight:700; font-size:17px; line-height:1.35;
}
.faq-q:hover{ color:var(--accent); }
.faq-q-inner{ display:flex; gap:16px; align-items:baseline; }
.faq-num{ font-family:var(--f-mono); font-size:12px; color:var(--accent); flex-shrink:0; }
.faq-sign{ font-family:var(--f-mono); font-size:20px; color:var(--text-dim); flex-shrink:0; line-height:1; }
.faq-a{
  padding:0 26px 26px 68px; color:var(--text-body); font-size:15px; line-height:1.7;
  text-wrap:pretty; display:none;
}
.faq-item[data-open="true"] .faq-a{ display:block; }

/* =========================================================
   CLOSING CTA BAND
   ========================================================= */
.cta-band{ background:var(--accent); color:var(--bg); }
.cta-band-row{
  padding:80px 32px; display:flex; align-items:center; justify-content:space-between;
  gap:40px; flex-wrap:wrap;
}
.cta-headline{
  font-family:var(--f-display); font-weight:900; font-size:clamp(34px,4.6vw,58px);
  letter-spacing:-0.02em; line-height:1; margin:0;
}
.cta-sub{
  font-family:var(--f-mono); font-size:13px; letter-spacing:0.1em; margin-top:20px; opacity:0.75;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{ border-top:1px solid var(--border-subtle); background:var(--bg); }
.footer-row{
  padding:48px 32px; display:flex; justify-content:space-between; align-items:center;
  gap:28px; flex-wrap:wrap;
}
.footer-logo{ height:40px; width:auto; opacity:0.85; }
.footer-disclaimer{ font-size:13px; color:var(--text-faint); max-width:440px; line-height:1.6; margin:0; }
.footer-links{ display:flex; gap:24px; font-family:var(--f-mono); font-size:12px; letter-spacing:0.06em; }
.footer-links a{ color:var(--text-body); }
.footer-links a:hover{ color:var(--accent); }

/* =========================================================
   KEYFRAMES
   ========================================================= */
@keyframes marquee { from{ transform:translateX(0);} to{ transform:translateX(-50%);} }
@keyframes blink { 0%,100%{ opacity:1;} 50%{ opacity:0.15;} }
@keyframes scanline { 0%{ transform:translateY(-100%);} 100%{ transform:translateY(2400%);} }
@keyframes riseIn { 0%{ opacity:0; transform:translateY(26px);} 100%{ opacity:1; transform:translateY(0);} }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:900px){
  .nav{ display:none; }
  .menu-toggle{ display:flex; }
  .day-grid{ grid-template-columns:1fr; }
  .venue-grid{ grid-template-columns:1fr; }
  .venue-copy{ padding:56px 0 40px; }
  .venue-photo{ border-left:none; border-top:1px solid var(--border-subtle); min-height:320px; }
  .faq-grid{ grid-template-columns:1fr; gap:40px; }
}

@media (max-width:640px){
  /* consistent 20px gutter everywhere at this size */
  .wrap{ padding-left:20px; padding-right:20px; }
  .faq-grid{ padding-left:20px; padding-right:20px; }
  .cta-band-row{ padding:56px 20px; }
  .hero-content{ padding:88px 20px 64px; }

  .section{ padding:72px 0; }
  .section-title{ margin-bottom:36px; }

  /* header: keep logo + register + menu on one line */
  .logo{ height:32px; }
  .footer-logo{ height:32px; }
  .header-row{ padding:12px 20px; gap:12px; }
  .header-actions{ gap:10px; }
  .header-register{ padding:9px 14px; font-size:12px; }
  .menu-toggle{ width:34px; height:34px; }
  .mobile-nav a{ padding:14px 20px; }

  .headline{ font-size:clamp(40px,13vw,64px); }
  .chip{ font-size:10.5px; padding:6px 12px; gap:8px; }

  .countdown{ display:grid; grid-template-columns:1fr 1fr; gap:2px; }
  .cd-cell{ min-width:0; padding:18px 16px; }
  .cd-num{ font-size:38px; }
  .cta-row{ flex-direction:column; align-items:stretch; }
  .cta-row .btn{ text-align:center; }

  .day-card{ padding:28px 22px; }
  .day-num{ font-size:48px; }

  .venue-copy{ padding:44px 0 32px; }
  .venue-title{ font-size:clamp(26px,8vw,36px); }

  .slide{ width:85vw; height:240px; }
  .slide-arrow{ width:40px; height:40px; font-size:16px; }

  .faq-grid{ gap:32px; }
  .faq-q{ padding:18px 16px; gap:14px; }
  .faq-q-inner{ gap:10px; }
  .faq-a{ padding:0 16px 20px 46px; }

  .cta-band-row{ flex-direction:column; align-items:flex-start; }
  .btn-dark{ width:100%; text-align:center; }

  .footer-row{ flex-direction:column; align-items:flex-start; gap:20px; }
  .footer-links{ flex-wrap:wrap; gap:16px 20px; }
}

@media (prefers-reduced-motion: reduce){
  .hero-scanline, .marquee-track, .chip-dot{ animation:none !important; }
  .rise{ opacity:1 !important; transform:none !important; animation:none !important; }
  [data-reveal]{ opacity:1 !important; transform:none !important; transition:none !important; }
  html{ scroll-behavior:auto; }
}