/* ============================================================
   PANGEO AI — one-pager stylesheet
   Dark mission-control, cyan single-accent, condensed display
   ============================================================ */

:root {
  --bg:        #0B1426;
  --bg-deep:   #070D1C;
  --surface:   #11203A;
  --surface-2: #162949;
  --accent:    #00C8FF;
  --accent-dim:#0A82A8;
  --text:      #E6EDF7;
  --muted:     #8FA3C2;
  --hair:      rgba(0,200,255,0.18);
  --hair-soft: rgba(143,163,194,0.14);

  --font-display: 'Oswald', 'Bank Gothic', 'Eurostile', 'Impact', sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, Menlo, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(1200px 700px at 80% -10%, rgba(0,200,255,0.06), transparent 60%),
    radial-gradient(900px 600px at 0% 20%, rgba(0,200,255,0.04), transparent 55%),
    var(--bg);
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.mono { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

/* ============================================================
   GLOBAL LATTICE TEXTURE (fixed, behind content)
   ============================================================ */
.lattice {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.09;
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: screen;
}

main, .nav, .footer { position: relative; z-index: 1; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11, 20, 38, 0.55);
  border-bottom: 1px solid transparent;
  transition: background 250ms var(--ease), border-color 250ms var(--ease);
}
.nav.is-scrolled {
  background: rgba(11, 20, 38, 0.82);
  border-bottom-color: var(--hair);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav__logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  height: 28px;
}
.nav__logo img { height: 28px; width: auto; }
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav__links a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
  padding: 6px 2px;
  position: relative;
  transition: color 180ms var(--ease);
}
.nav__links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 220ms var(--ease);
}
.nav__links a:hover,
.nav__links a.is-active { color: var(--accent); }
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__cta { flex: 0 0 auto; }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms var(--ease), background-color 180ms var(--ease), color 180ms var(--ease), box-shadow 220ms var(--ease), border-color 180ms var(--ease);
  white-space: nowrap;
  user-select: none;
}
.btn--pill { border-radius: 999px; padding: 11px 22px; }
.btn--primary {
  background: var(--accent);
  color: #041420;
  box-shadow: 0 0 0 0 rgba(0,200,255,0.0), 0 6px 24px -8px rgba(0,200,255,0.45);
}
.btn--primary:hover {
  background: #33D4FF;
  box-shadow: 0 0 0 4px rgba(0,200,255,0.15), 0 10px 30px -8px rgba(0,200,255,0.55);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(230,237,247,0.3);
}
.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,200,255,0.06);
}
.btn__arrow { font-size: 1em; display: inline-block; transition: transform 200ms var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: clamp(64px, 10vh, 120px) 0 clamp(64px, 9vh, 96px);
  overflow: hidden;
  isolation: isolate;
}
.hero__anchor {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: -1;
  pointer-events: none;
}
.hero__anchor img {
  width: min(1100px, 130%);
  max-width: none;
  height: auto;
  opacity: 0.35;
  filter: drop-shadow(0 0 60px rgba(0,200,255,0.15));
  transform: translateY(2%);
}
.hero::before {
  /* vignette so the pangaea fades into the page edges */
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 55%, transparent 30%, var(--bg) 80%);
  z-index: -1;
  pointer-events: none;
}

.hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: rgba(17, 32, 58, 0.55);
  margin-bottom: clamp(28px, 4vh, 44px);
}
.eyebrow__tick {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: blip 2.4s infinite var(--ease);
}
@keyframes blip {
  0%,100% { opacity: 0.35; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}
.eyebrow .mono { color: var(--text); }

/* display type */
.display {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.02;
  margin: 0;
  color: var(--text);
}
.display--xl {
  font-size: clamp(36px, 6.2vw, 88px);
  letter-spacing: 0.02em;
  line-height: 1.02;
  max-width: 18ch;
}
.display--lg  { font-size: clamp(32px, 4.6vw, 64px); letter-spacing: 0.03em; }
.display--md  { font-size: clamp(26px, 2.8vw, 40px); letter-spacing: 0.03em; }
.display--muted  { color: var(--muted); font-weight: 600; }
.display--accent { color: var(--accent); }

.hero__sub {
  max-width: 62ch;
  margin: clamp(28px, 3.5vh, 40px) 0 clamp(32px, 4vh, 44px);
  font-size: clamp(16px, 1.15vw, 19px);
  color: var(--text);
  line-height: 1.65;
}
.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: clamp(48px, 8vh, 88px);
}

.readout {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 36px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
}
.readout span { display: inline-flex; align-items: center; gap: 10px; }
.readout em { font-style: normal; color: var(--accent); letter-spacing: 0.2em; }
.pulse {
  display: inline-block;
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: blip 2s infinite var(--ease);
}

/* ============================================================
   SECTION PRIMITIVES
   ============================================================ */
.section { position: relative; padding: clamp(80px, 12vh, 140px) 0; }
.section__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section__head { max-width: 880px; margin-bottom: clamp(48px, 7vh, 88px); }
.section__label {
  display: inline-block;
  color: var(--accent);
  margin-bottom: 22px;
}
.section__sublabel {
  display: block;
  color: var(--accent);
  margin-bottom: 22px;
}
.section__sub {
  font-size: clamp(16px, 1.1vw, 19px);
  color: var(--muted);
  max-width: 60ch;
  margin-top: 22px;
}

.section-divider {
  position: relative;
  height: 1px;
  margin: 0 auto;
  max-width: var(--container);
  background: linear-gradient(90deg, transparent, var(--hair) 15%, var(--hair) 85%, transparent);
}
.section-divider::before,
.section-divider::after {
  content: '';
  position: absolute;
  top: -3px;
  width: 7px; height: 7px;
  border: 1px solid var(--accent);
  background: var(--bg);
  transform: rotate(45deg);
}
.section-divider::before { left: calc(var(--gutter) - 4px); }
.section-divider::after  { right: calc(var(--gutter) - 4px); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.project {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: clamp(24px, 3vw, 48px);
  padding: clamp(36px, 5vh, 56px) 0;
  border-top: 1px solid var(--hair-soft);
  position: relative;
  transition: background 250ms var(--ease);
}
.project:last-child { border-bottom: 1px solid var(--hair-soft); }
.project::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 500ms var(--ease);
}
.project:hover::before { width: 100%; }
.project:hover { background: linear-gradient(180deg, rgba(0,200,255,0.04), transparent 80%); }

.project__index {
  color: var(--accent);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  padding-top: 14px;
}
.project__body { min-width: 0; }
.project__row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 18px 22px;
  margin-bottom: 12px;
}
.project__name {
  font-size: clamp(34px, 3.6vw, 54px);
  letter-spacing: 0.04em;
  color: var(--text);
  line-height: 1;
}
.project__tag {
  color: var(--muted);
  font-size: clamp(17px, 1.2vw, 20px);
  font-weight: 500;
  font-style: italic;
  margin: 0 0 18px;
}
.project__desc {
  max-width: 70ch;
  color: var(--text);
  margin: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 999px;
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  background: rgba(0,200,255,0.06);
  white-space: nowrap;
}
.badge::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.badge--active {
  background: var(--accent);
  color: #041420;
}
.badge--active::before { background: #041420; box-shadow: none; }

/* ============================================================
   ABOUT
   ============================================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
  margin-bottom: clamp(72px, 10vh, 120px);
}
.about__copy p {
  font-size: clamp(16px, 1.1vw, 19px);
  color: var(--text);
  margin: 0 0 18px;
  max-width: 52ch;
}
.about__copy p:last-child { margin-bottom: 0; }

.pullquote {
  position: relative;
  padding: 32px 36px;
  border: 1px solid var(--hair);
  background: linear-gradient(180deg, rgba(0,200,255,0.04), rgba(17, 32, 58, 0.4));
  margin: 0;
  overflow: hidden;
}
.pullquote::before,
.pullquote::after {
  /* small ticks on the corners */
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--accent);
}
.pullquote::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.pullquote::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }
.pullquote__mark {
  color: var(--accent);
  font-size: 3rem;
  line-height: 1;
  letter-spacing: 0;
  margin-bottom: 6px;
  font-family: var(--font-display);
}
.pullquote blockquote {
  margin: 0 0 16px;
  color: var(--text);
}
.pullquote figcaption { font-size: 0.7rem; letter-spacing: 0.22em; }

/* philosophy */
.philosophy { margin-bottom: clamp(72px, 10vh, 120px); }
.philosophy__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--hair);
  background: rgba(17, 32, 58, 0.35);
}
.philo {
  padding: clamp(26px, 3vw, 40px);
  border-right: 1px solid var(--hair);
  position: relative;
}
.philo:last-child { border-right: none; }
.philo__num {
  display: inline-block;
  color: var(--accent);
  margin-bottom: 18px;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
}
.philo__title {
  font-size: clamp(22px, 2vw, 30px);
  letter-spacing: 0.03em;
  margin-bottom: 16px;
  color: var(--text);
}
.philo p { margin: 0; color: var(--muted); font-size: 0.96rem; }

/* founder */
.founder__card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--hair);
  background: rgba(17, 32, 58, 0.35);
  position: relative;
}
.founder__portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 280px;
}
.founder__portrait img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(0.15) contrast(1.05);
  border: 1px solid var(--hair);
}
.founder__frame { position: absolute; inset: 0; pointer-events: none; }
.corner {
  position: absolute;
  width: 14px; height: 14px;
  border: 1.5px solid var(--accent);
}
.corner--tl { top: -4px; left: -4px; border-right: none; border-bottom: none; }
.corner--tr { top: -4px; right: -4px; border-left: none; border-bottom: none; }
.corner--bl { bottom: -4px; left: -4px; border-right: none; border-top: none; }
.corner--br { bottom: -4px; right: -4px; border-left: none; border-top: none; }

.founder__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  color: var(--accent);
  margin-bottom: 18px;
  font-size: 0.66rem;
  letter-spacing: 0.2em;
}
.founder__name { margin: 0 0 16px; }
.founder__body p { margin: 0; color: var(--text); max-width: 60ch; }

/* ============================================================
   CONTACT
   ============================================================ */
.section--contact {
  position: relative;
  isolation: isolate;
  color: var(--text);
  padding-top: clamp(96px, 14vh, 160px);
  padding-bottom: clamp(96px, 14vh, 160px);
}
.contact__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(180deg, rgba(11,20,38,0.88) 0%, rgba(11,20,38,0.72) 45%, rgba(11,20,38,0.92) 100%),
    url('assets/footer-scene.jpg');
  background-size: cover;
  background-position: center 60%;
  background-repeat: no-repeat;
}
.section--contact::before {
  /* faint lattice overlay, contact-specific */
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    radial-gradient(circle at 1px 1px, rgba(0,200,255,0.06) 1px, transparent 1.2px);
  background-size: 42px 42px;
  pointer-events: none;
  mix-blend-mode: screen;
}
.contact__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
}
.contact__head { max-width: 760px; margin-bottom: clamp(48px, 7vh, 80px); }
.contact__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: clamp(28px, 3vw, 40px);
  background: rgba(11, 20, 38, 0.78);
  border: 1px solid var(--hair);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
}
.form::before,
.form::after {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  border: 1px solid var(--accent);
}
.form::before { top: -1px; left: -1px; border-right: none; border-bottom: none; }
.form::after  { bottom: -1px; right: -1px; border-left: none; border-top: none; }

.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}
.form__status {
  margin: 4px 0 0;
  padding: 12px 16px;
  border-left: 2px solid var(--accent);
  background: rgba(0, 200, 255, 0.06);
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.5;
}
.form__status.is-success { border-left-color: #4ade80; background: rgba(74, 222, 128, 0.08); }
.form__status.is-error   { border-left-color: #f87171; background: rgba(248, 113, 113, 0.08); }
.btn--submit[disabled] { opacity: 0.6; cursor: not-allowed; }

.field input.is-invalid,
.field textarea.is-invalid,
.field select.is-invalid,
.field input.is-invalid:focus,
.field textarea.is-invalid:focus,
.field select.is-invalid:focus {
  border-bottom-color: #f87171;
}
.field { display: flex; flex-direction: column; gap: 8px; }
.field__label { color: var(--muted); font-size: 0.68rem; letter-spacing: 0.2em; }
.field input,
.field textarea,
.field select {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--hair-soft);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 10px 2px;
  transition: border-color 200ms var(--ease);
  border-radius: 0;
}
.field input:hover,
.field textarea:hover,
.field select:hover { border-color: var(--muted); }
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 120px; line-height: 1.55; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(143,163,194,0.55); }

.select-wrap { position: relative; }
.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 28px;
  cursor: pointer;
}
.select-wrap select option { background: var(--surface); color: var(--text); }
.select-wrap__arrow {
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 0.9rem;
  pointer-events: none;
}

.btn--submit { align-self: flex-start; margin-top: 8px; }

.contact__info {
  padding: clamp(28px, 3vw, 36px) 0;
}
.contact__list {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 26px;
}
.contact__list > div {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hair-soft);
}
.contact__list > div:last-child { border-bottom: none; }
.contact__list dt { color: var(--muted); margin-bottom: 8px; }
.contact__list dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text);
}
.contact__list dd a { color: var(--text); border-bottom: 1px solid transparent; transition: border-color 180ms; }
.contact__list dd a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.contact__sig {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 36px;
  color: var(--accent);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--hair);
  background: var(--bg-deep);
}
.footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 32px var(--gutter);
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}
.footer__logo img { height: 22px; width: auto; opacity: 0.85; }
.footer__copy {
  margin: 0 auto 0 0;
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
}
.footer__top {
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  transition: color 180ms;
}
.footer__top:hover { color: var(--accent); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav__inner { gap: 14px; }
  .nav__links { gap: 16px; margin-right: 4px; }
  .nav__links a { font-size: 0.74rem; letter-spacing: 0.18em; }

  .about__grid { grid-template-columns: 1fr; gap: 40px; }
  .philosophy__grid { grid-template-columns: 1fr; }
  .philo { border-right: none; border-bottom: 1px solid var(--hair); }
  .philo:last-child { border-bottom: none; }

  .founder__card { grid-template-columns: 1fr; }
  .founder__portrait { max-width: 220px; }

  .contact__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }

  .project { grid-template-columns: 50px 1fr; gap: 18px; }
  .project__index { padding-top: 10px; font-size: 0.78rem; }
}

@media (max-width: 640px) {
  .nav__cta { display: none; }
  .nav__logo img { height: 24px; }
  .hero__anchor img { width: 160%; opacity: 0.28; }
  .readout { gap: 14px 24px; }
  .footer__inner { gap: 16px; }
  .footer__copy { order: 3; flex-basis: 100%; margin: 0; }
  .eyebrow { padding: 5px 10px; }
  .eyebrow .mono { font-size: 0.62rem; letter-spacing: 0.14em; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}