/* The Keyhole Theory — static landing page v0.2
   Palette note: #425a68 is the project storm-blue accent. */

:root {
  --bg: #061018;
  --bg-2: #0b1620;
  --text: #eef7ff;
  --muted: #aab8c2;
  --soft: rgba(238, 247, 255, 0.74);
  --line: rgba(159, 216, 255, 0.18);
  --accent: #9fd8ff;
  --accent-deep: #425a68;
  --gold: #d9b46d;
  --gold-soft: rgba(217, 180, 109, 0.18);
  --card: rgba(9, 21, 31, 0.72);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.46);
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 2%, rgba(159, 216, 255, 0.13), transparent 34rem),
    radial-gradient(circle at 86% 12%, rgba(217, 180, 109, 0.10), transparent 26rem),
    radial-gradient(circle at 86% 10%, rgba(66, 90, 104, 0.42), transparent 30rem),
    linear-gradient(180deg, #04080d 0%, var(--bg) 45%, #05090e 100%);
  min-height: 100vh;
}
a { color: inherit; }
.skip-link { position: absolute; left: -999px; top: auto; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 50; background: #fff; color: #000; padding: .65rem .9rem; border-radius: .5rem; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding: 0 max(1.25rem, calc((100vw - var(--max)) / 2));
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(4, 8, 13, 0.82), rgba(4, 8, 13, 0.30));
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-size: .95rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-block;
  filter: drop-shadow(0 0 18px rgba(159, 216, 255, 0.28));
}
nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  color: var(--soft);
  font-size: .93rem;
}
nav a { text-decoration: none; }
nav a:hover { color: var(--text); }

.hero {
  position: relative;
  min-height: 90vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 12rem max(1.25rem, calc((100vw - var(--max)) / 2)) 6rem;
  background-image: url("assets/keyhole-hero-enhanced.jpg");
  background-size: cover;
  background-position: center;
  isolation: isolate;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 30% 72%, rgba(159, 216, 255, 0.18), transparent 26rem),
    linear-gradient(90deg, rgba(3, 8, 13, 0.88) 0%, rgba(3, 8, 13, 0.40) 48%, rgba(3, 8, 13, 0.68) 100%),
    linear-gradient(0deg, rgba(3, 8, 13, 0.98) 0%, rgba(3, 8, 13, 0.16) 55%, rgba(3, 8, 13, 0.75) 100%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .36;
  background:
    linear-gradient(rgba(159, 216, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 216, 255, 0.06) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent 0%, #000 24%, #000 72%, transparent 100%);
}
.hero-content { max-width: 850px; filter: drop-shadow(0 18px 36px rgba(0,0,0,.45)); }
.eyebrow {
  margin: 0 0 .9rem;
  color: var(--accent);
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  font-size: .78rem;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: .55rem;
  font-size: clamp(3rem, 8vw, 7.2rem);
  line-height: .9;
  letter-spacing: -.06em;
}
.principle-pill {
  display: inline-flex;
  margin: 0 0 1.1rem;
  padding: .48rem .82rem;
  border: 1px solid rgba(159, 216, 255, 0.26);
  border-radius: 999px;
  color: var(--accent);
  background: rgba(6, 16, 24, 0.58);
  box-shadow: inset 0 0 24px rgba(159, 216, 255, 0.06), 0 0 26px rgba(159, 216, 255, 0.08);
  font-weight: 800;
  letter-spacing: .06em;
}
.subtitle {
  max-width: 720px;
  margin-bottom: 1.6rem;
  color: var(--soft);
  font-size: clamp(1.08rem, 2.1vw, 1.38rem);
  line-height: 1.6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .82rem 1.08rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 750;
  transition: transform .16s ease, border-color .16s ease, background .16s ease;
}
.primary,
.secondary,
.ghost {
  color: var(--text);
  background: rgba(238, 247, 255, 0.035);
  border: 1px solid rgba(238, 247, 255, 0.20);
}
.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.105);
  box-shadow: 0 0 26px rgba(159, 216, 255, 0.10);
}

.statement {
  max-width: var(--max);
  margin: -2.5rem auto 0;
  position: relative;
  padding: 2.2rem;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(145deg, rgba(9, 21, 31, 0.92), rgba(9, 21, 31, 0.64));
  box-shadow: var(--shadow);
}
.statement p {
  max-width: 940px;
  margin-bottom: 0;
  color: var(--soft);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.7;
}
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6.4rem 1.25rem 0;
}
.section-heading { max-width: 720px; margin-bottom: 2rem; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading.centered p { color: var(--soft); line-height: 1.7; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1; letter-spacing: -.045em; margin-bottom: 1rem; }
h3 { margin-bottom: .75rem; font-size: 1.16rem; }
.section-copy { color: var(--soft); line-height: 1.72; font-size: 1.04rem; }
.cards, .principle-grid {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 1rem;
}
.principle-grid { grid-template-columns: 1.35fr .9fr; align-items: stretch; }
.card {
  padding: 1.45rem;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    radial-gradient(circle at 10% 0%, rgba(159, 216, 255, 0.12), transparent 16rem),
    linear-gradient(145deg, rgba(12, 28, 40, 0.78), rgba(9, 21, 31, 0.62));
  box-shadow: 0 18px 54px rgba(0,0,0,.24);
}
.card p { color: var(--muted); line-height: 1.7; margin-bottom: 0; }
.large-card h3 { color: var(--accent); }
.formula {
  display: block;
  font-size: clamp(.94rem, 1.05vw, 1.02rem);
  line-height: 1.42;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: .85rem;
  white-space: normal;
}
.split {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 3rem;
  align-items: start;
}
.bridge-list {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  align-self: start;
  padding-top: clamp(2.75rem, 4vw, 3.45rem);
}

.bridge-list span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .75rem .95rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--soft);
  text-align: center;
  background: rgba(238, 247, 255, 0.04);
  box-shadow: inset 0 0 24px rgba(159, 216, 255, 0.04);
}
.motif-layout {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 2rem;
  align-items: center;
}
.motif-text p {
  color: var(--soft);
  line-height: 1.72;
  font-size: 1.02rem;
}
.motif-card {
  margin: 0;
  padding: 0;
  border-radius: 22px;
  border: 0;
  background: transparent;
  box-shadow: 0 20px 70px rgba(0,0,0,.34);
  overflow: hidden;
}
.motif-card img {
  display: block;
  width: 100%;
  height: clamp(240px, 30vw, 360px);
  object-fit: cover;
  border-radius: 22px;
  opacity: .92;
  filter: saturate(.92) contrast(.98) brightness(.88);
}
.motif-card figcaption {
  margin-top: .65rem;
  color: rgba(238,247,255,.52);
  font-size: .88rem;
  text-align: right;
}
.status p { max-width: 820px; color: var(--soft); line-height: 1.75; font-size: 1.05rem; }
.notice {
  max-width: 820px;
  margin-top: 1.25rem;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  border-radius: 16px;
  background: rgba(159, 216, 255, 0.07);
  color: var(--soft);
  line-height: 1.65;
}
.contact-section { padding-bottom: 6rem; }
.contact-card {
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 2rem;
  padding: 2rem;
  border-radius: 30px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 0%, rgba(159, 216, 255, 0.08), transparent 20rem),
    linear-gradient(145deg, rgba(12,28,40,.88), rgba(6,16,24,.84));
  box-shadow: var(--shadow);
}
.contact-card p { color: var(--soft); line-height: 1.7; }
.fallback-note {
  margin-top: 1rem;
  font-size: .95rem;
}
.fallback-note a {
  color: var(--accent);
  text-decoration: none;
}
.fallback-note a:hover {
  text-decoration: underline;
}
.contact-actions {
  display: grid;
  gap: .9rem;
  align-content: center;
}
.contact-actions .button {
  width: 100%;
  min-height: 54px;
}
.direct-email-note {
  margin: -.2rem 0 0;
  color: rgba(238,247,255,.62);
  font-size: .84rem;
  text-align: center;
  overflow-wrap: anywhere;
}
.email-text {
  color: var(--accent);
}
.site-footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2.2rem 1.25rem 3rem;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}
.site-footer strong { color: var(--text); }
.site-footer p { margin: .35rem 0 0; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .8rem 1rem; }
.footer-links a { color: var(--soft); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }



@media (max-width: 860px) {
  .site-header { position: absolute; align-items: flex-start; padding-top: 1rem; flex-direction: column; min-height: auto; padding-bottom: 1rem; }
  nav { width: 100%; overflow-x: auto; padding-bottom: .2rem; }
  .hero { min-height: 94vh; padding-top: 11.5rem; padding-bottom: 4.2rem; background-position: center bottom; }
  .statement { margin: -1.6rem 1rem 0; padding: 1.35rem; border-radius: 22px; }
  .principle-grid, .split, .contact-card, .motif-layout { grid-template-columns: 1fr; }
  .principle-grid { margin-left: 0; }
  .cards, .bridge-list { grid-template-columns: 1fr; }
  .section { padding-top: 4.8rem; }
  .motif-card { border-radius: 18px; }
  .motif-card img { border-radius: 16px; height: auto; }
  .motif-card figcaption { text-align: left; }
  .site-footer { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (max-width: 520px) {
  nav { gap: .75rem; font-size: .86rem; }
  .brand { font-size: .84rem; }
  h1 { font-size: clamp(2.8rem, 15vw, 4.4rem); }
  .hero-actions .button { width: 100%; }
}