/* Torden landing page
   Design language carried over from the investor deck:
   near-black ground, steel/warm radial glows, Hanken Grotesk display,
   JetBrains Mono technical labels, hairline panels. */

:root {
  --bg-0: #07080b;
  --bg-1: #0c0e12;
  --panel: #0f1216;
  --panel-2: #151a21;
  --line: rgba(255, 255, 255, 0.09);
  --line-strong: rgba(255, 255, 255, 0.18);
  --text: #f2f3f5;
  --text-2: #c3c9d1;
  --muted: #98a1ab;
  --muted-2: #6b747e;
  --glow-steel: #16202b;
  --glow-warm: #2a2015;
  --glow-deep: #101a24;
  --radius: 20px;
  --pad-x: clamp(20px, 5vw, 48px);
  --container-max: 1200px;
  --font-sans: "Hanken Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@font-face {
  font-family: "Hanken Grotesk";
  src: url("assets/fonts/hanken-grotesk-var.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-var.woff2") format("woff2");
  /* the shipped subset's wght axis is 400-800; re-widen only with a re-vendored file */
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 96px; }

body {
  background:
    radial-gradient(66% 60% at 16% 18%, var(--glow-steel) 0%, rgba(22, 32, 43, 0) 62%),
    radial-gradient(56% 60% at 84% 24%, var(--glow-warm) 0%, rgba(42, 32, 21, 0) 60%),
    radial-gradient(78% 66% at 52% 100%, var(--glow-deep) 0%, rgba(16, 26, 36, 0) 64%),
    linear-gradient(158deg, var(--bg-1), var(--bg-0));
  background-color: var(--bg-0);
  color: var(--text-2);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: var(--text); text-decoration: none; }
a:hover { color: #ffffff; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}
a:not([class]):focus-visible { border-radius: 4px; }

::selection { background: #2b3a4a; color: var(--text); }

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

/* ---------- Nav ---------- */

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 8, 11, 0.82);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 18px;
}
.wordmark {
  font-weight: 650;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 36px);
  list-style: none;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
.nav-links a:hover { color: var(--text); }
.nav-contact {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 9px 18px;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}
.nav-contact:hover { border-color: var(--text); background: rgba(255, 255, 255, 0.05); }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  padding-top: 96px; /* clear the fixed nav when content exceeds viewport height */
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 40%;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(to top, rgba(7, 8, 11, 0.94) 0%, rgba(7, 8, 11, 0.42) 42%, rgba(7, 8, 11, 0.18) 70%, rgba(7, 8, 11, 0.35) 100%),
    linear-gradient(100deg, rgba(7, 8, 11, 0.55) 0%, rgba(7, 8, 11, 0) 55%);
}
.hero-content {
  width: 100%;
  padding-bottom: clamp(56px, 10vh, 120px);
}
.hero-kicker {
  font-family: var(--font-mono);
  font-size: clamp(0.68rem, 1.4vw, 0.8rem);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 22px;
}
.hero h1 {
  font-size: clamp(2.35rem, 5.6vw, 4.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  color: var(--text);
  max-width: 17ch;
  text-wrap: balance;
}
.hero-sub {
  margin-top: 24px;
  max-width: 52ch;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--text-2);
}
.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 36px;
}
.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid var(--text);
  color: var(--bg-0);
  background: var(--text);
  transition: background-color 0.25s ease, color 0.25s ease;
}
.btn:hover { background: #ffffff; color: var(--bg-0); }
.arrow-link {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  padding: 14px 4px;
}
.arrow-link::after { content: " ->"; } /* ASCII: U+2192 is not in the shipped mono subset */
.arrow-link:hover { color: #ffffff; }
.hero-note {
  position: absolute;
  right: max(var(--pad-x), calc(50% - var(--container-max) / 2 + var(--pad-x)));
  bottom: clamp(56px, 10vh, 120px);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  text-align: right;
  line-height: 2;
}
@media (max-width: 900px) {
  .hero-note { display: none; }
}
@media (max-width: 720px) {
  /* The plume crosses the kicker line on the mobile crop; deepen the scrim there. */
  .hero-scrim {
    background:
      linear-gradient(to top,
        rgba(7, 8, 11, 0.94) 0%,
        rgba(7, 8, 11, 0.78) 55%,
        rgba(7, 8, 11, 0.66) 64%,
        rgba(7, 8, 11, 0.22) 76%,
        rgba(7, 8, 11, 0.35) 100%),
      linear-gradient(100deg, rgba(7, 8, 11, 0.55) 0%, rgba(7, 8, 11, 0) 55%);
  }
  .hero-kicker { color: var(--text-2); }
}

/* ---------- Sections ---------- */

.section {
  padding-block: clamp(84px, 12vw, 150px);
}
.section-head { max-width: 820px; }
.kicker {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 18px;
}
.section h2,
.band h2,
.contact h2 {
  font-size: clamp(1.8rem, 3.8vw, 2.9rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  color: var(--text);
  text-wrap: balance;
}
.section-lede {
  margin-top: 20px;
  max-width: 62ch;
  color: var(--text-2);
}
.section-lede .attrib { color: var(--muted); }

/* ---------- Stat tiles ---------- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(40px, 6vw, 64px);
}
.stat {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(20px, 2.5vw, 28px);
}
.stat-number {
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
}
.stat-label {
  margin-top: 14px;
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.5;
}
.stat-source {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
@media (max-width: 860px) {
  .stat-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Product ---------- */

.diagram-panel {
  margin-top: clamp(40px, 6vw, 64px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(20px, 4vw, 56px);
  box-shadow: 0 50px 130px -30px rgba(0, 0, 0, 0.9);
}
.diagram-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.diagram-scroll svg {
  min-width: 680px;
  width: 100%;
  height: auto;
}
.diagram-caption {
  margin-top: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
@media (max-width: 820px) {
  /* Diagram overflows its box below ~830px; cue the horizontal scroll. */
  .diagram-scroll {
    -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
            mask-image: linear-gradient(to right, #000 calc(100% - 28px), transparent);
  }
  .diagram-caption::after {
    content: "Scroll ->";
    color: var(--muted-2);
  }
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(40px, 5vw, 56px);
}
.feature {
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(20px, 2.5vw, 28px);
}
.feature-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  color: var(--muted-2);
  margin-bottom: 16px;
}
.feature h3 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 10px;
}
.feature p { font-size: 0.97rem; color: var(--muted); }
@media (max-width: 860px) {
  .feature-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Heritage ---------- */

.heritage-stats {
  display: grid;
  grid-template-columns: repeat(4, auto);
  justify-content: start;
  gap: 28px clamp(24px, 5vw, 64px);
  margin-top: clamp(36px, 5vw, 56px);
  padding-block: 28px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
@media (max-width: 1030px) {
  .heritage-stats { grid-template-columns: repeat(2, auto); column-gap: clamp(48px, 12vw, 120px); }
}
@media (max-width: 420px) {
  .heritage-stats { grid-template-columns: 1fr; }
}
.hstat .stat-number { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.hstat .stat-label { margin-top: 8px; font-size: 0.9rem; }
.launch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: clamp(40px, 6vw, 64px);
}
.launch-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel-2);
  aspect-ratio: 4 / 5;
}
.launch-card video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.launch-card figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 28px 20px 18px;
  background: linear-gradient(to top, rgba(7, 8, 11, 0.94) 0%, rgba(7, 8, 11, 0.78) 55%, rgba(7, 8, 11, 0) 100%);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.launch-name {
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  font-size: 1.05rem;
}
.launch-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
@media (max-width: 860px) {
  .launch-grid { grid-template-columns: 1fr; }
  .launch-card { aspect-ratio: 16 / 10; }
}
@supports not (aspect-ratio: 1 / 1) {
  .launch-card { min-height: 300px; }
}

/* ---------- Defensibility band ---------- */

.band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(110px, 16vw, 190px);
}
.band-media, .band-media picture { position: absolute; inset: 0; z-index: -2; }
.band-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
}
.band-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to right, rgba(7, 8, 11, 0.9) 0%, rgba(7, 8, 11, 0.55) 55%, rgba(7, 8, 11, 0.35) 100%);
}
.band .kicker { color: var(--muted); }
@media (max-width: 720px) {
  /* Portrait crop drags the pale airframe under the text; add a vertical scrim layer. */
  .band-scrim {
    background:
      linear-gradient(to bottom, rgba(7, 8, 11, 0.78) 0%, rgba(7, 8, 11, 0.55) 45%, rgba(7, 8, 11, 0.65) 100%),
      linear-gradient(to right, rgba(7, 8, 11, 0.9) 0%, rgba(7, 8, 11, 0.55) 55%, rgba(7, 8, 11, 0.35) 100%);
  }
}
.band h2 { max-width: 20ch; }
.band-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin-top: 30px;
  list-style: none;
}
.band-list li {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-2);
  padding-left: 16px;
  position: relative;
}
.band-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  transform: translateY(-50%);
  border-radius: 50%;
  background: var(--text);
}

/* ---------- Team ---------- */

.team-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: clamp(40px, 6vw, 64px);
}
.founder {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.founder img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.founder-body { padding: clamp(24px, 3vw, 32px); }
.founder h3 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}
.founder-role {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 8px;
}
.founder p { margin-top: 16px; font-size: 0.97rem; color: var(--muted); }
.founder-mail {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--text-2);
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 3px;
}
.founder-mail:hover { border-color: var(--text); }
@media (max-width: 780px) {
  .team-grid { grid-template-columns: 1fr; }
  .founder img { aspect-ratio: 4 / 3; object-position: center 30%; }
}

/* ---------- Contact ---------- */

.contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(110px, 15vw, 180px);
}
.contact-media, .contact-media picture { position: absolute; inset: 0; z-index: -2; }
.contact-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 35% 22%;
}
.contact-scrim {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(to bottom, rgba(7, 8, 11, 0.93) 0%, rgba(7, 8, 11, 0.72) 55%, rgba(7, 8, 11, 0.9) 100%);
}
.contact h2 { max-width: 22ch; }
.contact-mails {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: clamp(36px, 5vw, 56px);
}
.mail-card {
  flex: 1 1 280px;
  max-width: 420px;
  background: rgba(21, 26, 33, 0.82);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(22px, 3vw, 30px);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.mail-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.mail-card .who {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.mail-card .addr {
  display: block;
  margin-top: 10px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-size: clamp(1.02rem, 2vw, 1.2rem);
  color: var(--text);
  word-break: break-all;
}

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding-block: 36px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* ---------- Reveal animation (JS-gated) ---------- */

.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.js .reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { animation: none !important; }
}

@media print {
  .js .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}