/* ===========================================================
   AI INNOVATORS ROTTERDAM — industrial / port-terminal system
   =========================================================== */

:root {
  --bg:        #0d0e11;
  --bg-2:      #121419;
  --surface:   #15181e;
  --surface-2: #1b1f26;
  --line:      #262b33;
  --line-2:    #353b45;
  --text:      #f3f4f6;
  --muted:     #98a1ac;
  --faint:     #656e79;

  --signal:      #ff4d1c;   /* signal orange-red (tweakable) */
  --signal-ink:  #0d0e11;   /* text on signal */
  --signal-soft: color-mix(in srgb, var(--signal) 14%, transparent);
  --signal-line: color-mix(in srgb, var(--signal) 34%, transparent);

  --font-display: 'Archivo', 'Helvetica Neue', sans-serif;
  --font-body:    'Archivo', 'Helvetica Neue', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  --maxw: 1320px;
  --gut: clamp(20px, 4vw, 64px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* blueprint grid texture on the page */
.page-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}

#root { position: relative; z-index: 1; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
img { display: block; max-width: 100%; }

::selection { background: var(--signal); color: var(--signal-ink); }

/* ---------- shared layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gut); }

.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.kicker .idx { color: var(--signal); }
.kicker .tick { width: 26px; height: 1px; background: var(--line-2); display: inline-block; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 44px;
  flex-wrap: wrap;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5vw, 58px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}
.section-sub { color: var(--muted); max-width: 42ch; font-size: 16px; }

section.block { padding-block: clamp(64px, 9vw, 132px); position: relative; }

/* hairline divider */
.hr { height: 1px; background: var(--line); border: 0; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--text);
  transition: all 0.18s ease;
  position: relative;
  white-space: nowrap;
}
.btn:hover { border-color: var(--text); transform: translateY(-1px); }
.btn .arr { transition: transform 0.18s ease; }
.btn:hover .arr { transform: translateX(3px); }

.btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--signal-ink);
}
.btn--signal:hover { box-shadow: 0 0 0 4px var(--signal-soft); border-color: var(--signal); transform: translateY(-1px); }

.btn--ghost { border-color: var(--line-2); }
.btn--sm { padding: 9px 14px; font-size: 11px; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gut);
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--signal-ink);
  background: var(--signal);
  padding: 7px 13px 9px;
  clip-path: polygon(0 0, 100% 0, 100% 64%, 87% 100%, 0 100%);
  transition: transform 0.16s ease;
}
.brand:hover .brand-logo { transform: translateY(-1px); }
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: var(--signal);
  color: var(--signal-ink);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.04em;
  clip-path: polygon(0 0, 100% 0, 100% 72%, 86% 100%, 0 100%);
}
.brand-txt { line-height: 1; }
.brand-txt b { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em; font-size: 16px; display: block; white-space: nowrap; }
.brand-txt span { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.22em; color: var(--faint); white-space: nowrap; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 8px 14px;
  transition: color 0.16s ease;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--text); }
.nav-right { display: flex; align-items: center; gap: 12px; }

@media (max-width: 900px) { .nav-links { display: none; } }

/* ---------- HERO shared ---------- */
.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-eyebrow { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 30px; }
.pill {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid var(--line-2);
  padding: 6px 12px;
  color: var(--muted);
  display: inline-flex; align-items: center; gap: 8px;
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 var(--signal-line); animation: pulse 2s infinite; }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--signal-line); }
  70% { box-shadow: 0 0 0 7px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.025em;
  font-size: clamp(48px, 11vw, 168px);
}
.hero-title .out {
  color: transparent;
  -webkit-text-stroke: 2px rgba(255,255,255,0.9);
}
.hero-title .sig { color: var(--signal); }

.hero-lede { color: var(--muted); font-size: clamp(16px, 1.5vw, 20px); max-width: 52ch; margin-top: 26px; }
.hero-cta { display: flex; gap: 14px; margin-top: 36px; flex-wrap: wrap; }

/* live stat strip */
.stat-strip { display: flex; flex-wrap: wrap; gap: 0; border: 1px solid var(--line); margin-top: 56px; }
.stat {
  flex: 1 1 0;
  min-width: 150px;
  padding: 20px 24px;
  border-right: 1px solid var(--line);
}
.stat:last-child { border-right: 0; }
.stat .n { font-family: var(--font-display); font-weight: 800; font-size: clamp(28px, 3.4vw, 44px); letter-spacing: -0.02em; }
.stat .n .u { color: var(--signal); }
.stat .l { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-top: 6px; }

/* avatar cluster */
.avatars { display: flex; align-items: center; }
.avatars .av {
  width: 38px; height: 38px; border-radius: 50%;
  border: 2px solid var(--bg);
  margin-left: -12px;
  background-size: cover; background-position: center;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
}
.avatars .av:first-child { margin-left: 0; }
.avatars .more {
  margin-left: -12px; width: 38px; height: 38px; border-radius: 50%;
  border: 2px solid var(--bg); background: var(--surface-2);
  display: grid; place-items: center; font-family: var(--font-mono); font-size: 11px; color: var(--muted);
}

/* placeholder image style */
.ph {
  position: relative;
  background-color: var(--surface);
  background-image: repeating-linear-gradient(
    -45deg, transparent, transparent 9px,
    rgba(255,255,255,0.025) 9px, rgba(255,255,255,0.025) 10px);
  border: 1px solid var(--line);
  display: grid; place-items: center;
  overflow: hidden;
}
.ph::after {
  content: attr(data-label);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 4px 8px;
  border: 1px dashed var(--line-2);
}

/* ===== HERO A — MONOLITH ===== */
.heroA {
  padding-block: clamp(72px, 12vw, 150px);
  background-image:
    linear-gradient(to bottom,
      color-mix(in srgb, var(--bg) 72%, transparent) 0%,
      color-mix(in srgb, var(--bg) 82%, transparent) 60%,
      var(--bg) 100%
    ),
    url('rotterdam2.jpg');
  background-size: cover;
  background-position: center 40%;
  background-repeat: no-repeat;
}
.heroA .wrap { display: flex; flex-direction: column; }
.heroA-foot { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 64px; flex-wrap: wrap; }

/* ===== HERO B — SIGNAL GRID ===== */
.heroB .wrap { display: grid; grid-template-columns: 1.35fr 0.9fr; gap: 0; align-items: stretch; }
.heroB-left { padding: clamp(56px,8vw,104px) clamp(28px,4vw,56px) clamp(56px,8vw,104px) 0; }
.heroB-right {
  border-left: 1px solid var(--line);
  background:
    repeating-linear-gradient(90deg, transparent, transparent 31px, var(--line) 31px, var(--line) 32px);
  display: flex; flex-direction: column;
}
.ticker-head {
  padding: 18px 24px; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint);
  background: var(--bg);
}
.ticker-row {
  padding: 16px 24px; border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 70%, transparent);
  display: flex; gap: 16px; align-items: baseline;
  transition: background 0.16s ease;
}
.ticker-row:hover { background: var(--surface); }
.ticker-row .t { font-family: var(--font-mono); font-size: 11px; color: var(--signal); min-width: 52px; }
.ticker-row .d { font-weight: 600; font-size: 15px; }
.ticker-row .m { font-family: var(--font-mono); font-size: 11px; color: var(--faint); margin-top: 3px; }
@media (max-width: 860px) {
  .heroB .wrap { grid-template-columns: 1fr; }
  .heroB-left { padding-right: 0; }
  .heroB-right { border-left: 0; border-top: 1px solid var(--line); }
}

/* ===== HERO C — PORT TERMINAL ===== */
.heroC { position: relative; min-height: 86vh; display: flex; align-items: flex-end; }
.heroC-bg { position: absolute; inset: 0; }
.heroC-bg .ph { width: 100%; height: 100%; border: 0; }
.heroC-scrim { position: absolute; inset: 0; background:
  linear-gradient(to top, var(--bg) 4%, color-mix(in srgb, var(--bg) 55%, transparent) 38%, color-mix(in srgb,var(--bg) 30%, transparent) 70%);
}
.heroC .wrap { position: relative; z-index: 2; width: 100%; padding-bottom: clamp(48px, 7vw, 96px); padding-top: 120px; }
.console {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--muted);
  border: 1px solid var(--line-2); background: color-mix(in srgb, var(--bg) 60%, transparent);
  backdrop-filter: blur(6px);
  padding: 14px 18px; max-width: 440px; margin-top: 30px;
}
.console .c-line { display: flex; gap: 8px; }
.console .c-line b { color: var(--signal); }
.cursor { display: inline-block; width: 8px; height: 15px; background: var(--signal); margin-left: 2px; animation: blink 1s steps(1) infinite; vertical-align: -2px; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- WHAT YOU CAN DO ---------- */
.do-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.do-card {
  padding: 32px 28px 40px;
  border-right: 1px solid var(--line);
  position: relative;
  min-height: 280px;
  display: flex; flex-direction: column;
  transition: background 0.2s ease;
}
.do-card:last-child { border-right: 0; }
.do-card:hover { background: var(--surface); }
.do-card .no { font-family: var(--font-mono); font-size: 12px; color: var(--signal); letter-spacing: 0.1em; }
.do-card .glyph { font-family: var(--font-display); font-weight: 800; font-size: 40px; margin: 28px 0 18px; }
.do-card h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: 21px; letter-spacing: -0.01em; }
.do-card p { color: var(--muted); font-size: 14.5px; margin-top: 10px; }
.do-card .corner { position: absolute; top: 0; right: 0; width: 0; height: 0; border-style: solid; border-width: 0 18px 18px 0; border-color: transparent var(--line) transparent transparent; transition: border-color 0.2s ease; }
.do-card:hover .corner { border-color: transparent var(--signal) transparent transparent; }
@media (max-width: 980px) { .do-grid { grid-template-columns: repeat(2, 1fr); } .do-card:nth-child(2) { border-right: 0; } .do-card:nth-child(-n+2){ border-bottom: 1px solid var(--line);} }
@media (max-width: 560px) { .do-grid { grid-template-columns: 1fr; } .do-card { border-right: 0; border-bottom: 1px solid var(--line);} }

/* ---------- EVENTS ---------- */
.evt-filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 8px 14px; border: 1px solid var(--line-2); color: var(--muted); transition: all 0.15s ease;
}
.chip:hover { color: var(--text); }
.chip.active { background: var(--text); color: var(--bg); border-color: var(--text); }

.evt-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.evt {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 26px 8px;
  border-bottom: 1px solid var(--line);
  transition: background 0.18s ease, padding 0.18s ease;
  position: relative;
}
.evt:hover { background: var(--surface); padding-inline: 20px; }
.evt::before { content:''; position:absolute; left:0; top:0; bottom:0; width: 2px; background: var(--signal); transform: scaleY(0); transform-origin: top; transition: transform 0.2s ease; }
.evt:hover::before { transform: scaleY(1); }
.evt-date { font-family: var(--font-mono); }
.evt-date .d { font-family: var(--font-display); font-weight: 800; font-size: 34px; line-height: 1; }
.evt-date .mo { font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); margin-top: 4px; }
.evt-main h3 { font-family: var(--font-display); font-weight: 700; font-size: 22px; text-transform: uppercase; letter-spacing: -0.01em; }
.evt-meta { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.evt-meta .tag { color: var(--signal); }
.evt-rsvp { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.evt-attend { font-family: var(--font-mono); font-size: 11px; color: var(--faint); }
@media (max-width: 720px) {
  .evt { grid-template-columns: 80px 1fr; gap: 18px; }
  .evt-rsvp { grid-column: 1 / -1; flex-direction: row; align-items: center; justify-content: space-between; }
  .evt-date .d { font-size: 26px; }
}

/* ---------- FEED ---------- */
.feed-grid { columns: 3; column-gap: 20px; }
@media (max-width: 900px) { .feed-grid { columns: 2; } }
@media (max-width: 600px) { .feed-grid { columns: 1; } }
.post {
  break-inside: avoid;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.post:hover { border-color: var(--line-2); transform: translateY(-2px); }
.post-head { display: flex; align-items: center; gap: 11px; padding: 16px 18px 0; }
.post-av { width: 38px; height: 38px; border-radius: 50%; background-size: cover; display: grid; place-items: center; font-family: var(--font-mono); font-weight: 600; font-size: 12px; flex: none; }
.post-who b { font-size: 14px; display: block; line-height: 1.2; }
.post-who span { font-family: var(--font-mono); font-size: 11px; color: var(--faint); }
.post-body { padding: 14px 18px 4px; font-size: 14.5px; line-height: 1.55; color: #e3e6ea; }
.post-body .mention { color: var(--signal); }
.post .ph.post-img { width: 100%; aspect-ratio: 4/3; border-left: 0; border-right: 0; border-bottom: 0; }
.post-foot { display: flex; align-items: center; gap: 18px; padding: 13px 18px; }
.like { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-mono); font-size: 12px; color: var(--muted); transition: color 0.15s ease; }
.like:hover { color: var(--text); }
.like.on { color: var(--signal); }
.like .heart { transition: transform 0.2s ease; }
.like.on .heart { transform: scale(1.15); }
.post-tag { margin-left: auto; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--faint); border: 1px solid var(--line); padding: 3px 8px; }

/* ---------- JOIN / CTAs ---------- */
.join-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 820px) { .join-grid { grid-template-columns: 1fr; } }
.join-card {
  border: 1px solid var(--line);
  padding: 34px;
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column;
  min-height: 230px;
  transition: border-color 0.2s ease;
}
.join-card:hover { border-color: var(--line-2); }
.join-card .jc-k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--faint); }
.join-card h3 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(26px,3vw,40px); letter-spacing: -0.02em; margin-top: 14px; line-height: 0.96; }
.join-card p { color: var(--muted); margin-top: 12px; font-size: 15px; max-width: 40ch; }
.join-card .jc-cta { margin-top: auto; padding-top: 24px; }
.join-discord { grid-column: 1 / -1; background: var(--signal); color: var(--signal-ink); border-color: var(--signal); }
.join-discord .jc-k { color: color-mix(in srgb, var(--signal-ink) 60%, transparent); }
.join-discord p { color: color-mix(in srgb, var(--signal-ink) 78%, transparent); }
.join-discord .btn { background: var(--signal-ink); color: var(--text); border-color: var(--signal-ink); }
.join-discord-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; width: 100%; }

/* newsletter form */
.nl-form { display: flex; gap: 0; margin-top: auto; border: 1px solid var(--line-2); }
.nl-form input {
  flex: 1; background: transparent; border: 0; color: var(--text);
  font-family: var(--font-mono); font-size: 13px; padding: 14px 16px; outline: none;
}
.nl-form input::placeholder { color: var(--faint); }
.nl-form button {
  background: var(--text); color: var(--bg); padding: 0 20px;
  font-family: var(--font-mono); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  transition: background 0.15s ease;
}
.nl-form button:hover { background: var(--signal); }
.nl-ok { font-family: var(--font-mono); font-size: 13px; color: var(--signal); margin-top: auto; padding: 14px 0; display: flex; align-items: center; gap: 10px; }
.nl-err { color: #ff6b6b; font-family: var(--font-mono); font-size: 11px; margin-top: 8px; }

/* ---------- FOOTER ---------- */
.foot { border-top: 1px solid var(--line); padding-block: 64px 40px; }
.foot-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; padding-bottom: 48px; border-bottom: 1px solid var(--line); }
.foot-mono { font-family: var(--font-mono); font-size: 12px; color: var(--faint); line-height: 1.9; }
.foot-mono a:hover { color: var(--signal); }
.foot-big { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(40px, 9vw, 130px); line-height: 0.86; letter-spacing: -0.03em; color: transparent; -webkit-text-stroke: 1.2px var(--line-2); margin-top: 40px; }
.foot-bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-top: 28px; font-family: var(--font-mono); font-size: 11px; color: var(--faint); letter-spacing: 0.06em; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s cubic-bezier(.2,.7,.2,1), transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .dot, .cursor { animation: none; }
}