/* StormNova presentation — restrained black / white */
:root {
  --bg: #000000;
  --bg-soft: #070707;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f5f5f5;
  --muted: #8a8a8a;
  --faint: #4a4a4a;
  --serif: "Cormorant Garamond", "Times New Roman", serif;
  --sans: Inter, system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  line-height: 1.55;
  position: relative;
  z-index: 1;
}
main, .nav, .foot {
  position: relative;
  z-index: 2;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }

/* Fine cell grid — like StormNova docs (subtle, not loud) */
.grid-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-color: #000;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 95% 85% at 50% 35%, #000 15%, transparent 88%);
  -webkit-mask-image: radial-gradient(ellipse 95% 85% at 50% 35%, #000 15%, transparent 88%);
}
.noise {
  position: fixed; inset: 0; z-index: 50; pointer-events: none; opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.vignette {
  position: fixed; inset: 0; z-index: 40; pointer-events: none;
  background: radial-gradient(ellipse 80% 70% at 50% 30%, transparent 45%, rgba(0,0,0,0.5) 100%);
}

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem;
  background: linear-gradient(to bottom, rgba(0,0,0,0.85), rgba(0,0,0,0));
  backdrop-filter: blur(0px);
  transition: background 0.4s ease, border-color 0.4s ease, backdrop-filter 0.4s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(16px);
  border-bottom-color: var(--line);
}
.nav-brand {
  display: inline-flex; align-items: center; gap: 0.65rem;
  /* same display serif as hero wordmark / section h2 — size unchanged */
  font-family: var(--serif);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.nav-brand img {
  width: 28px; height: 28px; object-fit: contain;
  border-radius: 50%;
  border: 1px solid var(--line);
}
.nav-links {
  display: none;
  gap: 1.5rem;
  /* main heading font for menu — size kept */
  font-family: var(--serif);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links a:hover { color: var(--text); }
@media (min-width: 768px) {
  .nav { padding: 1.25rem 2.5rem; }
  .nav-links { display: flex; }
}

/* HERO */
.hero {
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  position: relative;
  padding: 6rem 1.25rem 4rem;
  text-align: center;
}
.hero-stage {
  position: relative;
  width: min(960px, 100%);
  margin: 0 auto 0.5rem;
  /* no box, no border — art floats on page black */
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: visible;
}
.hero-stage picture {
  display: block;
  background: transparent;
  line-height: 0;
}
.hero-art {
  width: 100%;
  height: auto;
  margin: 0 auto;
  background: transparent;
  border: none;
  outline: none;
  box-shadow: none;
  /* no rectangular glow — seamless on pure black */
  filter: none;
  mix-blend-mode: normal;
  animation: fade-up 1.4s ease both;
}
.hero-glow {
  display: none;
}
.hero-copy { max-width: 36rem; margin: 0 auto; animation: fade-up 1.4s 0.15s ease both; }
.eyebrow {
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--faint); margin: 0 0 1rem;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  letter-spacing: 0.18em;
  margin: 0 0 1rem;
  font-style: normal;
  background: linear-gradient(180deg, #fff 0%, #9a9a9a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.tagline {
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.6vw, 1.55rem);
  font-weight: 400;
  font-style: italic;
  color: var(--muted);
  line-height: 1.45;
  margin: 0 0 2rem;
}
.hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: center;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; padding: 0 1.4rem;
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  border-radius: 999px;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}
.btn-solid {
  background: #fff; color: #000; border: 1px solid #fff;
}
.btn-solid:hover { background: #e8e8e8; transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.4); transform: translateY(-1px); }

.scroll-hint {
  position: absolute; bottom: 1.75rem; left: 50%;
  transform: translateX(-50%);
  opacity: 0.35;
}
.scroll-hint span {
  display: block; width: 1px; height: 42px;
  background: linear-gradient(to bottom, transparent, #fff, transparent);
  animation: pulse-line 2.4s ease-in-out infinite;
}

/* SECTIONS */
.section {
  padding: 6.5rem 1.25rem;
  position: relative; z-index: 1;
}
.section-dim { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.wrap { width: min(1080px, 100%); margin: 0 auto; }
.wrap.narrow { width: min(640px, 100%); }
.section-head { max-width: 36rem; margin-bottom: 3rem; }
.section-head h2 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
}
.lede {
  color: var(--muted);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.7;
  margin: 0;
}
.lede.center { text-align: center; }

.metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
@media (min-width: 768px) {
  .metrics { grid-template-columns: repeat(4, 1fr); }
}
.metric {
  background: var(--bg);
  padding: 1.75rem 1.25rem;
  text-align: center;
}
.metric-n {
  display: block;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}
.metric-l {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--faint);
}

.pair-board {
  border: 1px solid var(--line);
  padding: 1.75rem 1.25rem 1.5rem;
  margin-bottom: 2rem;
  background: rgba(255,255,255,0.015);
}
.pair-caption {
  font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--faint); margin: 0 0 1rem;
}
.pairs {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.pairs li {
  font-size: 0.75rem; font-weight: 500; letter-spacing: 0.12em;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--line);
  color: var(--muted);
}
.pairs li.pair-new {
  color: var(--text);
  border-color: rgba(255,255,255,0.28);
}
.pair-note {
  margin: 1.15rem 0 0;
  font-size: 0.85rem;
  color: var(--faint);
  font-weight: 300;
}

.cards {
  display: grid;
  gap: 1rem;
}
.cards.three,
.cards.six {
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .cards.three { grid-template-columns: repeat(3, 1fr); }
  .cards.six { grid-template-columns: repeat(3, 1fr); }
}
.card {
  border: 1px solid var(--line);
  padding: 1.5rem 1.35rem;
  background: rgba(0,0,0,0.35);
  transition: border-color 0.3s ease;
}
.card:hover { border-color: var(--line-strong); }
.card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 0 0 0.65rem;
  letter-spacing: 0.03em;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.65;
}

.principles { display: grid; gap: 0; }
.principles li {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}
.principles li:last-child { border-bottom: 1px solid var(--line); }
.p-num {
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--faint);
  letter-spacing: 0.08em;
  padding-top: 0.15rem;
}
.principles h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.35rem;
  margin: 0 0 0.4rem;
}
.principles p {
  margin: 0;
  color: var(--muted);
  font-weight: 300;
  font-size: 0.95rem;
}

.doc-list {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .doc-list { grid-template-columns: repeat(3, 1fr); }
}
.doc-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  border: 1px solid var(--line);
  padding: 1.6rem 1.4rem 1.4rem;
  background: rgba(0, 0, 0, 0.35);
  transition: border-color 0.3s ease, transform 0.3s ease;
  min-height: 11rem;
}
.doc-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}
.doc-kicker {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--faint);
  margin-bottom: 0.85rem;
}
.doc-card h3 {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.55rem;
  margin: 0 0 0.5rem;
  letter-spacing: 0.03em;
}
.doc-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.55;
  flex: 1;
}
.doc-open {
  margin-top: 1.25rem;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text);
}

.section-contact {
  text-align: center;
  padding-bottom: 7rem;
}
.contact-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  letter-spacing: 0.12em;
  margin: 0 0 1.25rem;
}
.contact-row {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}

.foot {
  border-top: 1px solid var(--line);
  padding: 1.5rem 1.25rem;
  position: relative; z-index: 1;
}
.foot-inner {
  display: flex; flex-wrap: wrap;
  align-items: center; justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--faint);
  text-transform: uppercase;
}
.foot-brand {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--serif);
  font-weight: 500;
  color: var(--muted);
}
.foot-brand img {
  width: 22px; height: 22px; object-fit: contain;
  border-radius: 50%; opacity: 0.85;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse-line {
  0%, 100% { opacity: 0.2; transform: scaleY(0.85); }
  50% { opacity: 0.7; transform: scaleY(1); }
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}