/* ============================================================
   Christian Ozir — Speaker & portfolio (EN)
   christianozir.com
   Dark, modern, large typography. Ubuntu.
   Palette: ink #0a0a0f | panel #14141c | lime #B9CC00 | mist #9aa0ac
   ============================================================ */

:root {
  --ink: #0a0a0f;
  --ink-2: #101018;
  --panel: #14141c;
  --panel-2: #1b1b26;
  --line: #262633;
  --lime: #B9CC00;
  --lime-soft: #d6e64a;
  --text: #ECEDF1;
  --mist: #9aa0ac;
  --mist-dim: #6b7280;
  --white: #ffffff;
  --radius: 16px;
  --max: 1200px;
  --sans: "Ubuntu", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 1.075rem;
  line-height: 1.7;
  color: var(--text);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--sans);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.6rem, 8vw, 5.5rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 5vw, 3.4rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.9rem); }
h4 { font-size: 1.15rem; font-weight: 500; }

p { margin: 0 0 1.15em; color: var(--text); }
strong { color: var(--white); font-weight: 700; }
.mist { color: var(--mist); }

a { color: var(--lime); text-decoration: none; }
a:hover { color: var(--lime-soft); }

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

:focus-visible { outline: 3px solid var(--lime); outline-offset: 3px; border-radius: 3px; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--lime); color: var(--ink);
  padding: 0.7rem 1.2rem; z-index: 200; border-radius: 0 0 8px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

[id] { scroll-margin-top: 100px; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.5rem; }
.narrow { max-width: 820px; }
section { padding: 5rem 0; }
@media (min-width: 760px) { section { padding: 7rem 0; } }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.28em;
  text-transform: uppercase; color: var(--lime);
  margin-bottom: 1.3rem;
}
.lede { font-size: clamp(1.15rem, 2.2vw, 1.45rem); color: var(--mist); max-width: 40em; }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 10, 15, 0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 74px;
}
.brand { display: inline-flex; align-items: center; gap: 0.7rem; text-decoration: none; }
.brand-name {
  font-size: 1.15rem; font-weight: 700; color: var(--white);
  letter-spacing: 0.02em;
}
.brand-name b { color: var(--lime); }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--lime); flex: 0 0 auto; box-shadow: 0 0 16px rgba(185,204,0,0.7); }

.nav-toggle {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: none; border: 1.5px solid var(--line); border-radius: 10px;
  padding: 0.5rem 0.85rem; font-family: var(--sans); font-size: 0.95rem;
  color: var(--text); cursor: pointer;
}
.nav-toggle .bars { display: inline-block; width: 18px; }
.nav-toggle .bars span { display: block; height: 2px; background: var(--text); margin: 3.5px 0; border-radius: 2px; }

.site-nav { display: none; }
.site-nav.open {
  display: block; position: absolute; top: 100%; left: 0; right: 0;
  background: var(--ink-2); border-bottom: 1px solid var(--line);
  padding: 1rem 1.5rem 1.5rem;
}
.site-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.2rem; }
.site-nav a:not(.btn) {
  display: block; padding: 0.65rem 0.5rem; color: var(--text);
  font-weight: 500; border-radius: 8px;
}
.site-nav a:not(.btn):hover { color: var(--lime); }
.site-nav a[aria-current="page"] { color: var(--lime); }
.site-nav .nav-cta { margin-top: 0.6rem; }

@media (min-width: 940px) {
  .nav-toggle { display: none; }
  .site-nav { display: block !important; position: static; background: none; border: 0; padding: 0; }
  .site-nav ul { flex-direction: row; align-items: center; gap: 0.4rem; }
  .site-nav a:not(.btn) { padding: 0.5rem 0.9rem; font-size: 0.98rem; }
  .site-nav .nav-cta { margin: 0 0 0 0.8rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block; background: var(--lime); color: var(--ink);
  font-family: var(--sans); font-weight: 700; font-size: 1.02rem; line-height: 1.3;
  text-decoration: none; text-align: center; padding: 0.95rem 1.9rem;
  border: 2px solid var(--lime); border-radius: 999px; cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
}
.btn:hover { background: var(--lime-soft); border-color: var(--lime-soft); color: var(--ink); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(185,204,0,0.25); }
.btn-small { font-size: 0.92rem; padding: 0.6rem 1.3rem; }
.btn-large { font-size: 1.12rem; padding: 1.1rem 2.4rem; }
.btn-ghost { background: transparent; color: var(--white); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel); border-color: var(--lime); color: var(--lime); box-shadow: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 4rem 0 5rem;
  background:
    radial-gradient(60rem 40rem at 80% -10%, rgba(185, 204, 0, 0.14), transparent 60%),
    radial-gradient(50rem 40rem at -10% 110%, rgba(185, 204, 0, 0.06), transparent 55%),
    var(--ink);
}
@media (min-width: 760px) { .hero { padding: 5rem 0 7rem; } }
.hero-grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: 1.1fr 0.9fr; gap: 4rem; } }
.hero h1 { margin-bottom: 0.35em; }
.hero h1 .accent { color: var(--lime); }
.hero .sub { font-size: clamp(1.15rem, 2.4vw, 1.5rem); color: var(--mist); max-width: 26em; margin-bottom: 2rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

.portrait-frame {
  position: relative; border-radius: 20px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.portrait-frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10,10,15,0.55) 100%);
  pointer-events: none;
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/5; }

.hero-stats {
  display: flex; flex-wrap: wrap; gap: 2rem 3rem; margin-top: 3rem;
  padding-top: 2.2rem; border-top: 1px solid var(--line);
}
.hero-stat .num { font-size: 2rem; font-weight: 700; color: var(--white); line-height: 1; }
.hero-stat .lbl { font-size: 0.88rem; color: var(--mist); letter-spacing: 0.04em; margin-top: 0.35rem; }

.marquee-line {
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 1.4rem 0; color: var(--mist); font-size: 0.95rem;
  letter-spacing: 0.18em; text-transform: uppercase; text-align: center;
}
.marquee-line b { color: var(--lime); }

/* ---------- Panels & cards ---------- */
.section-alt { background: var(--ink-2); }
.grid { display: grid; gap: 1.5rem; }
@media (min-width: 720px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem 1.8rem;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.card:hover { border-color: rgba(185,204,0,0.5); transform: translateY(-3px); }
.card .idx { font-size: 0.85rem; font-weight: 700; color: var(--lime); letter-spacing: 0.15em; }
.card h3 { margin: 0.6rem 0 0.5rem; }
.card p { color: var(--mist); margin: 0; }
.card ul { color: var(--mist); padding-left: 1.2rem; margin: 0.8rem 0 0; }
.card li { margin-bottom: 0.4rem; }

.topic-card { position: relative; overflow: hidden; }
.topic-card .topic-num {
  position: absolute; top: -0.6rem; right: 0.6rem;
  font-size: 5rem; font-weight: 700; color: rgba(185,204,0,0.10); line-height: 1;
}

/* ---------- Speaking / logos / events ---------- */
.event-list { display: grid; gap: 1rem; }
.event-item {
  display: grid; gap: 0.3rem 1.5rem; align-items: baseline;
  grid-template-columns: 1fr; padding: 1.4rem 1.6rem;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
}
@media (min-width: 700px) { .event-item { grid-template-columns: 12rem 1fr; } }
.event-item .place { font-weight: 700; color: var(--white); font-size: 1.15rem; }
.event-item .place .flag { color: var(--lime); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; display: block; }
.event-item p { color: var(--mist); margin: 0; }

.video-grid { display: grid; gap: 1.5rem; }
@media (min-width: 760px) { .video-grid { grid-template-columns: 1fr 1fr; } }
.video-embed {
  position: relative; aspect-ratio: 16/9; border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--line); background: var(--panel-2);
}
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-placeholder {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  height: 100%; gap: 0.8rem; color: var(--mist); text-align: center; padding: 1.5rem;
}
.video-placeholder .play {
  width: 64px; height: 64px; border-radius: 50%; background: rgba(185,204,0,0.14);
  border: 2px solid var(--lime); display: grid; place-items: center; color: var(--lime);
}

/* ---------- Big quote ---------- */
.bigquote { max-width: 24em; }
.bigquote blockquote {
  margin: 0; font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 500;
  color: var(--white); line-height: 1.25; letter-spacing: -0.01em;
}
.bigquote blockquote .lime { color: var(--lime); }
.bigquote cite { display: block; margin-top: 1.5rem; font-style: normal; color: var(--mist); font-size: 1rem; }

/* ---------- Portfolio ---------- */
.portfolio-grid { display: grid; gap: 1.2rem; }
@media (min-width: 640px) { .portfolio-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .portfolio-grid { grid-template-columns: repeat(3, 1fr); } }
.portfolio-item {
  display: block; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem; text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.portfolio-item:hover { border-color: var(--lime); transform: translateY(-3px); }
.portfolio-item .cat { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lime); }
.portfolio-item h3 { color: var(--white); font-size: 1.3rem; margin: 0.5rem 0 0.4rem; }
.portfolio-item p { color: var(--mist); margin: 0; font-size: 0.98rem; }
.portfolio-item .go { color: var(--lime); margin-top: 0.9rem; font-weight: 700; font-size: 0.95rem; }

/* ---------- Media / press ---------- */
.press-grid { display: grid; gap: 1.5rem; }
@media (min-width: 760px) { .press-grid { grid-template-columns: repeat(3, 1fr); } }
.press-photo {
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  background: var(--panel);
}
.press-photo img { aspect-ratio: 3/4; object-fit: cover; width: 100%; }
.press-photo .cap { padding: 0.9rem 1.1rem; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.press-photo .cap span { font-size: 0.85rem; color: var(--mist); }

/* ---------- CTA band ---------- */
.cta-band {
  background:
    radial-gradient(40rem 24rem at 50% 0%, rgba(185,204,0,0.14), transparent 60%),
    var(--ink-2);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}

/* ---------- Contact form ---------- */
.form-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 2rem 1.8rem;
}
.form-row { margin-bottom: 1.15rem; }
.form-row > label { display: block; font-weight: 500; margin-bottom: 0.4rem; color: var(--text); }
input[type=text], input[type=email], input[type=tel], select, textarea {
  width: 100%; font-family: var(--sans); font-size: 1rem; color: var(--text);
  background: var(--ink-2); border: 1.5px solid var(--line); border-radius: 10px;
  padding: 0.8rem 0.95rem;
}
input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--lime); border-color: var(--lime); }
.form-note { font-size: 0.88rem; color: var(--mist); }
.notice {
  background: rgba(185,204,0,0.08); border-left: 3px solid var(--lime);
  border-radius: 0 10px 10px 0; padding: 1rem 1.3rem; font-size: 0.95rem; margin: 1.5rem 0;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--mist); padding: 1.4rem 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0; padding: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 0.4rem; color: var(--lime); }
.breadcrumb a { color: var(--mist); }
.breadcrumb a:hover { color: var(--lime); }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink-2); border-top: 1px solid var(--line); padding: 4rem 0 2rem; font-size: 0.95rem; }
.footer-grid { display: grid; gap: 2.2rem; margin-bottom: 2.5rem; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer h2 { font-size: 0.82rem; color: var(--lime); font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 1rem; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.5rem; }
.site-footer a:not(.btn) { color: var(--mist); }
.site-footer a:not(.btn):hover { color: var(--lime); }
.site-footer .foot-brand { font-size: 1.5rem; font-weight: 700; color: var(--white); margin-bottom: 0.6rem; }
.site-footer .foot-brand b { color: var(--lime); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 1.5rem; font-size: 0.85rem; color: var(--mist-dim); }
.footer-bottom p { color: var(--mist-dim); margin-bottom: 0.4rem; }

/* ---------- Misc ---------- */
.small { font-size: 0.9rem; color: var(--mist); }
.reveal-list { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.reveal-list li { padding: 0.9rem 0; border-bottom: 1px solid var(--line); display: flex; gap: 1rem; align-items: baseline; color: var(--mist); }
.reveal-list li::before { content: "→"; color: var(--lime); flex: 0 0 auto; }
.reveal-list li strong { color: var(--white); }