/* Conecta.rugby — institutional dark, network/ecosystem aesthetic */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* Gotham Book — institutional UAR typography (provided locally).
   Used for subtitles, eyebrows and highlight text. */
@font-face {
  font-family: 'Gotham Book';
  src: url('assets/Gotham-Book.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* Gotham Bold — used for headings */
@font-face {
  font-family: 'Gotham';
  src: url('assets/Gotham-Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Gotham';
  src: url('assets/Gotham-Book.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Brand · Manual UAR / Conecta Rugby 2026 */
  --navy: #002a3a;          /* Azul UAR */
  --navy-deep: #00202d;     /* slightly deeper for backgrounds */
  --navy-mid: #00263a;      /* mid surface */
  --navy-line: #0a3a4e;     /* hairline tint */
  --navy-soft: #25324b;     /* Azul (secundario) */
  --celeste: #6aaae4;       /* Celeste UAR */
  --celeste-soft: #94b3de;  /* Celeste (secundario) */
  --gold: #c89211;          /* Amarillo UAR */
  --gold-soft: #e2c771;     /* Amarillo (secundario) */
  --sky: var(--celeste);    /* alias to Celeste UAR */
  --paper: #f5f1e8;        /* warm off-white */
  --ink: #ffffff;
  --ink-dim: rgba(255, 255, 255, 0.72);
  --ink-mute: rgba(255, 255, 255, 0.52);
  --ink-faint: rgba(255, 255, 255, 0.32);
  --hairline: rgba(255, 255, 255, 0.08);
  --hairline-strong: rgba(255, 255, 255, 0.16);
  --accent: var(--gold);
  --accent-soft: var(--gold-soft);

  /* type stack */
  --font-display: 'Gotham', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-gotham: 'Gotham Book', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, monospace;

  --radius-sm: 6px;
  --radius: 14px;
  --radius-lg: 22px;

  --maxw: 1240px;
  --pad: clamp(20px, 4vw, 56px);

  --t-fast: 180ms cubic-bezier(.2,.7,.2,1);
  --t-med: 380ms cubic-bezier(.2,.7,.2,1);
  --t-slow: 700ms cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--navy-deep);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

/* Headings — Montserrat (Gotham Bold analog) */
h1, h2, h3, h4, h5, h6,
.section-title, .hero__title, .close__title,
.how__card-title, .principle__title, .eco-app-card__title,
.modal__head-name, .form__success h3 {
  font-family: var(--font-display);
  font-weight: 700;
}
.section-title, .hero__title, .close__title { font-weight: 800; }
.hero__title { font-weight: 900; }

/* Subtitles & highlight text — Gotham Book */
.hero__sub,
.section-lead,
.close__text,
.what__copy p,
.eco-section__head .section-lead {
  font-family: var(--font-gotham);
  font-weight: 400;
  letter-spacing: 0;
}

/* Mono accent kept */
.eyebrow, .hero__meta, .hero__scroll,
.what__visual-bottom, .principle__num,
.how__card-num, .eco-app-card__tag,
.contact__info-lbl, .field__err,
.modal__head-tag {
  font-family: var(--font-mono);
}


body {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(0, 42, 58, 0.35), transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 80%, rgba(200, 146, 17, 0.05), transparent 60%),
    var(--navy-deep);
}

/* faint starfield */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 78% 42%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 33% 67%, rgba(255,255,255,0.35), transparent),
    radial-gradient(1px 1px at 88% 12%, rgba(255,255,255,0.25), transparent),
    radial-gradient(1px 1px at 55% 88%, rgba(255,255,255,0.3), transparent),
    radial-gradient(1px 1px at 5% 55%, rgba(255,255,255,0.25), transparent),
    radial-gradient(1px 1px at 92% 73%, rgba(255,255,255,0.2), transparent);
  opacity: 0.6;
}

button { font-family: inherit; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.app { position: relative; z-index: 1; }

/* ─── NAV ─────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--pad);
  background: rgba(0, 22, 32, 0.6);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--hairline);
  transition: padding var(--t-med), background var(--t-med);
}
.nav.compact {
  padding: 10px var(--pad);
  background: rgba(0, 22, 32, 0.85);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.nav__brand-mark {
  width: 36px;
  height: 36px;
  position: relative;
}
.nav__brand-mark img { width: 100%; height: 100%; object-fit: contain; filter: brightness(0) invert(1); }
.nav__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.nav__brand-name {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.nav__brand-name span { color: var(--accent); }
.nav__brand-tag {
  font-size: 9.5px;
  letter-spacing: 0.18em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-top: 4px;
}
.nav__links {
  display: flex;
  gap: 6px;
  align-items: center;
}
.nav__link {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-dim);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--t-fast), background var(--t-fast);
  position: relative;
}
.nav__link:hover { color: var(--ink); }
.nav__link.active {
  color: var(--ink);
  background: var(--hairline);
}
.nav__link.active::before {
  content: "";
  position: absolute;
  left: 14px; right: 14px;
  bottom: 4px;
  height: 1.5px;
  background: var(--accent);
  border-radius: 2px;
}
.nav__cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy-deep);
  background: var(--accent);
  padding: 9px 18px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform var(--t-fast), background var(--t-fast);
  margin-left: 8px;
}
.nav__cta:hover { transform: translateY(-1px); background: var(--accent-soft); }

/* Login button — outline pill, sits next to nav links */
.nav__login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono, inherit);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--hairline-strong);
  padding: 9px 16px 9px 14px;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--t-fast), background var(--t-fast), color var(--t-fast), transform var(--t-fast);
  margin-left: 10px;
}
.nav__login svg { color: var(--accent); transition: transform var(--t-fast); }
.nav__login:hover {
  border-color: var(--accent);
  background: rgba(200, 146, 17, 0.08);
  transform: translateY(-1px);
}
.nav__login:hover svg { transform: translateX(2px); }

.nav__burger {
  display: none;
  width: 36px; height: 36px;
  border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

@media (max-width: 880px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__login { display: none; }
  .nav__burger { display: inline-flex; }
}

.mobile-menu .nav__login--mobile {
  display: inline-flex;
  margin-top: 18px;
  font-size: 13px;
  padding: 14px 24px;
}

/* mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(0, 22, 32, 0.96);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 60px 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu .nav__link { font-size: 22px; font-weight: 600; }
.mobile-menu .nav__cta { font-size: 16px; padding: 14px 28px; margin-top: 14px; display: inline-block; }

/* ─── CONTAINER + COMMON ──────────────────────────── */
.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.section-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 16px 0 18px;
  text-wrap: balance;
}
.section-lead {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.55;
  color: var(--ink-dim);
  max-width: 680px;
  text-wrap: pretty;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform var(--t-fast), background var(--t-fast), border-color var(--t-fast);
  font-family: inherit;
}
.btn--primary {
  background: var(--accent);
  color: var(--navy-deep);
}
.btn--primary:hover { background: var(--accent-soft); transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  border-color: var(--hairline-strong);
  color: var(--ink);
}
.btn--ghost:hover { background: var(--hairline); border-color: var(--ink-faint); }
.btn:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}
.btn--lg { padding: 16px 32px; font-size: 15px; }

/* ─── HERO ────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 120px var(--pad) 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}
.hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 980px) {
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
}
.hero__copy { position: relative; z-index: 2; }
.hero__title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 0.95;
  margin: 18px 0 24px;
}
.hero__title .dot { color: var(--accent); }
.hero__title .rugby {
  display: block;
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.02em;
  color: var(--ink-dim);
}
.hero__sub {
  font-size: clamp(17px, 2vw, 21px);
  color: var(--ink-dim);
  line-height: 1.45;
  max-width: 560px;
  margin-bottom: 18px;
  text-wrap: pretty;
}
.hero__small {
  font-size: 14px;
  color: var(--ink-mute);
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 32px;
  padding-left: 16px;
  border-left: 2px solid var(--accent);
}
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero__meta {
  position: absolute;
  bottom: 32px;
  left: var(--pad);
  right: var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  z-index: 2;
}
.hero__meta-item { display: flex; align-items: center; gap: 8px; }
.hero__meta-item .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero__scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero__scroll-line {
  width: 1px;
  height: 24px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite;
}
@keyframes scrollPulse {
  0% { transform: translateY(-8px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

@media (max-width: 980px) {
  .hero__meta { position: static; margin-top: 32px; flex-wrap: wrap; }
}

/* ─── ECOSYSTEM (HERO) ─────────────────────────────── */
.ecosystem {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 560px;
  margin: 0 auto;
}
.ecosystem--hero { max-width: 540px; }
.ecosystem__svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.ecosystem__core {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 38%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--navy-soft), var(--navy));
  border: 1px solid var(--hairline-strong);
  box-shadow:
    inset 0 0 40px rgba(255,255,255,0.06),
    0 0 60px rgba(0, 42, 58, 0.6),
    0 0 0 1px rgba(200, 146, 17, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 4%;
  z-index: 3;
}
.ecosystem__core-mark {
  width: 60%;
  aspect-ratio: 1;
  margin-bottom: 4%;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}
.ecosystem__core-name {
  font-size: clamp(13px, 1.6vw, 18px);
  font-weight: 800;
  letter-spacing: -0.01em;
  text-align: center;
  line-height: 1.1;
}
.ecosystem__core-name .dot { color: var(--accent); }

.ecosystem__node {
  position: absolute;
  width: 22%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  z-index: 2;
  cursor: pointer;
}
.ecosystem__node-inner {
  width: 100%; height: 100%;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--navy-mid), var(--navy));
  border: 1px solid var(--hairline-strong);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 6%;
  text-align: center;
  transition: transform var(--t-med), border-color var(--t-med), box-shadow var(--t-med);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.ecosystem__node:hover .ecosystem__node-inner {
  transform: scale(1.06);
  border-color: var(--accent);
  box-shadow: 0 12px 36px rgba(0,0,0,0.5), 0 0 24px rgba(200, 146, 17,0.3);
}
.ecosystem__node-icon {
  width: 26%;
  aspect-ratio: 1;
  margin-bottom: 6%;
  color: var(--accent);
}
.ecosystem__node-label {
  font-size: clamp(10px, 1.1vw, 13px);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.ecosystem__node-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 8.5px;
  color: var(--ink-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 3%;
}

.ecosystem__orbit {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px dashed var(--hairline);
  pointer-events: none;
}
.ecosystem__orbit--inner { inset: 22%; border-style: solid; border-color: var(--hairline); }
.ecosystem__orbit--outer { inset: 5%; }

/* ─── CORE SECTION ────────────────────────────────── */
.core-section {
  padding: 120px 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(200, 146, 17, 0.05), transparent 70%),
    linear-gradient(180deg, transparent, rgba(0, 22, 32, 0.5), transparent);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  position: relative;
}
@media (max-width: 768px) {
  .core-section { padding: 80px 0; }
}
.core-section__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 980px) {
  .core-section__grid { grid-template-columns: 1fr; gap: 48px; }
}

/* Core visualization — central node with timeline */
.core-viz {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  background: linear-gradient(160deg, rgba(37, 50, 75, 0.18), rgba(0, 22, 32, 0.6));
  overflow: hidden;
}
.core-viz::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.35;
  pointer-events: none;
}
.core-viz__head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
  margin-bottom: 20px;
}
.core-viz__id {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--accent);
  color: var(--navy-deep);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.core-viz__name { font-family: var(--font-display); font-weight: 700; font-size: 16px; }
.core-viz__sub { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-mute); letter-spacing: 0.16em; text-transform: uppercase; margin-top: 4px; }
.core-viz__status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.14em;
  display: flex; align-items: center; gap: 8px;
}
.core-viz__status::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}

.core-tl {
  position: relative;
  z-index: 1;
  padding-left: 22px;
}
.core-tl::before {
  content: "";
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--accent) 10%, var(--accent) 90%, transparent);
  opacity: 0.6;
}
.core-tl__item {
  position: relative;
  padding: 10px 0 14px;
  display: grid;
  grid-template-columns: 70px 1fr auto;
  gap: 14px;
  align-items: baseline;
}
.core-tl__item::before {
  content: "";
  position: absolute;
  left: -22px; top: 16px;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--navy-deep);
  border: 1.5px solid var(--accent);
}
.core-tl__item.active::before { background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.core-tl__year {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
}
.core-tl__what { font-size: 14px; font-weight: 500; }
.core-tl__where { font-size: 11.5px; color: var(--ink-mute); margin-top: 3px; font-family: var(--font-gotham); }
.core-tl__tag {
  font-size: 9.5px; font-family: var(--font-mono);
  letter-spacing: 0.14em;
  padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--hairline-strong);
  color: var(--ink-dim);
  text-transform: uppercase;
}
.core-tl__tag--gold { color: var(--accent); border-color: var(--accent); }
.core-tl__tag--sky { color: var(--sky); border-color: var(--sky); }

.core-feats {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 12px;
}
.core-feats li {
  display: flex;
  gap: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  background: rgba(0, 22, 32, 0.3);
}
.core-feats li > .ico {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: rgba(200, 146, 17,0.12);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.core-feats li > div .t { font-size: 14px; font-weight: 600; font-family: var(--font-display); }
.core-feats li > div .d { font-size: 12.5px; color: var(--ink-mute); margin-top: 3px; line-height: 1.5; font-family: var(--font-gotham); }
section[data-section] {
  padding: 120px 0;
  position: relative;
}
@media (max-width: 768px) {
  section[data-section] { padding: 80px 0; }
}

.what {
  position: relative;
}
.what__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: center;
}
@media (max-width: 880px) {
  .what__grid { grid-template-columns: 1fr; gap: 40px; }
}
.what__copy p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-dim);
  margin: 0 0 18px;
  text-wrap: pretty;
}
.what__visual {
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(160deg, var(--navy-mid), var(--navy-deep));
  border: 1px solid var(--hairline);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.what__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--hairline) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.4;
}
.what__stat-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  position: relative;
  z-index: 1;
}
.what__stat {
  background: rgba(0, 22, 32, 0.5);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 18px;
  backdrop-filter: blur(6px);
}
.what__stat-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}
.what__stat-lbl {
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 8px;
}
.what__visual-bottom {
  position: relative;
  z-index: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  align-items: end;
}
.what__visual-bottom strong { color: var(--ink); font-weight: 500; }

/* ─── HOW IT WORKS ────────────────────────────────── */
.how {
  background: linear-gradient(180deg, transparent, rgba(0, 24, 42, 0.4), transparent);
}
.how__head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: end;
  margin-bottom: 64px;
}
@media (max-width: 880px) {
  .how__head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 40px; }
}
.how__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 880px) {
  .how__cards { grid-template-columns: 1fr; }
}
.how__card {
  background: linear-gradient(180deg, rgba(37, 50, 75, 0.18), rgba(0, 22, 32, 0.4));
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: transform var(--t-med), border-color var(--t-med);
}
.how__card:hover {
  transform: translateY(-4px);
  border-color: var(--hairline-strong);
}
.how__card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 60px; height: 1px;
  background: var(--accent);
  transition: width var(--t-med);
}
.how__card:hover::before { width: 120px; }
.how__card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-bottom: 28px;
}
.how__card-icon {
  width: 48px; height: 48px;
  margin-bottom: 24px;
  color: var(--accent);
}
.how__card-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.how__card-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-dim);
  text-wrap: pretty;
}

/* ─── PRINCIPLES ──────────────────────────────────── */
.principles__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 48px;
}
@media (max-width: 880px) {
  .principles__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 540px) {
  .principles__grid { grid-template-columns: 1fr; }
}
.principle {
  padding: 36px 28px;
  border-right: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: linear-gradient(180deg, transparent, rgba(0, 22, 32,0.3));
  position: relative;
  transition: background var(--t-med);
}
.principle:last-child { border-right: none; }
@media (max-width: 880px) {
  .principle:nth-child(2n) { border-right: none; }
  .principle { border-right: 1px solid var(--hairline); }
}
@media (max-width: 540px) {
  .principle { border-right: none; }
}
.principle:hover { background: linear-gradient(180deg, rgba(200, 146, 17,0.06), rgba(0, 22, 32,0.4)); }
.principle__num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 24px;
}
.principle__title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.principle__text {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-dim);
  text-wrap: pretty;
}

/* ─── ECOSYSTEM SECTION (BIG) ─────────────────────── */
.eco-section {
  background: linear-gradient(180deg, transparent, rgba(0, 22, 32, 0.6), transparent);
  position: relative;
}
.eco-section__head {
  text-align: center;
  margin-bottom: 60px;
}
.eco-section__head .section-title { margin-left: auto; margin-right: auto; }
.eco-section__head .section-lead { margin: 0 auto; }

.eco-stage {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 32px;
  align-items: center;
  margin-top: 40px;
}
@media (max-width: 980px) {
  .eco-stage { grid-template-columns: 1fr; }
  .eco-stage__left, .eco-stage__right { display: none; }
}
.eco-stage__viz {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
}

.eco-app-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 22px;
  background: linear-gradient(180deg, rgba(37, 50, 75, 0.15), rgba(0, 22, 32, 0.5));
  cursor: pointer;
  transition: transform var(--t-med), border-color var(--t-med), background var(--t-med);
  margin-bottom: 16px;
}
.eco-app-card:hover {
  transform: translateX(4px);
  border-color: var(--accent);
}
.eco-stage__right .eco-app-card:hover { transform: translateX(-4px); }
.eco-app-card__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.eco-app-card__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.eco-app-card__tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: 0.18em;
}
.eco-app-card__title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.eco-app-card__arrow {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.eco-app-card:hover .eco-app-card__arrow {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--navy-deep);
}
.eco-app-card__text {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--ink-dim);
}

/* big ecosystem viz */
.eco-big {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 580px;
  margin: 0 auto;
}

/* ─── CLOSING ─────────────────────────────────────── */
.close {
  text-align: center;
  padding: 120px 0 160px;
}
@media (max-width: 768px) {
  .close { padding: 80px 0 120px; }
}
.close__inner {
  max-width: 820px;
  margin: 0 auto;
  padding: 80px var(--pad);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 0%, rgba(200, 146, 17, 0.1), transparent 70%),
    linear-gradient(180deg, rgba(37, 50, 75, 0.2), rgba(0, 22, 32, 0.4));
  position: relative;
  overflow: hidden;
}
.close__inner::before {
  content: "";
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.close__title {
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.05;
  margin: 0 0 20px;
  text-wrap: balance;
}
.close__title em {
  font-style: normal;
  color: var(--accent);
}
.close__text {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-dim);
  max-width: 600px;
  margin: 0 auto 36px;
  text-wrap: pretty;
}

/* ─── CONTACT ─────────────────────────────────────── */
.contact {
  position: relative;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}
@media (max-width: 880px) {
  .contact__grid { grid-template-columns: 1fr; gap: 40px; }
}
.contact__info-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 12px;
  background: rgba(0, 22, 32, 0.3);
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact__info-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(200, 146, 17, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact__info-lbl {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 4px;
}
.contact__info-val {
  font-size: 15px;
  font-weight: 500;
}

.form {
  display: grid;
  gap: 18px;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
@media (max-width: 540px) {
  .form__row { grid-template-columns: 1fr; }
}
.field { position: relative; }
.field label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
  text-transform: uppercase;
  margin-bottom: 8px;
  font-weight: 500;
}
.field label .req { color: var(--accent); }
.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--hairline-strong);
  background: rgba(0, 22, 32, 0.5);
  color: var(--ink);
  transition: border-color var(--t-fast), background var(--t-fast);
}
.field textarea {
  min-height: 120px;
  resize: vertical;
  font-family: inherit;
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(0, 22, 32, 0.8);
}
.field input:disabled,
.field select:disabled,
.field textarea:disabled {
  cursor: wait;
  opacity: 0.72;
}
.field.error input,
.field.error textarea,
.field.error select {
  border-color: #e25656;
}
.field__err {
  font-size: 12px;
  color: #e25656;
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
}
.form__error {
  border: 1px solid rgba(226, 86, 86, 0.45);
  background: rgba(226, 86, 86, 0.1);
  color: #ffb4b4;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13px;
  line-height: 1.5;
}

.form__success {
  border: 1px solid var(--accent);
  background: rgba(200, 146, 17, 0.08);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.form__success-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── FOOTER ──────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--hairline);
  padding: 40px var(--pad);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-mute);
}
.footer__brand { display: flex; align-items: center; gap: 12px; }
.footer__brand img { width: 28px; height: 28px; filter: brightness(0) invert(1); opacity: 0.7; }
.footer__links { display: flex; gap: 24px; }
.footer__link { transition: color var(--t-fast); cursor: pointer; }
.footer__link:hover { color: var(--ink); }

/* ─── MODAL ───────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0, 12, 24, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-med);
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--navy-deep);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 1080px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: scale(0.95) translateY(12px);
  transition: transform var(--t-med);
  position: relative;
}
.modal-backdrop.open .modal { transform: scale(1) translateY(0); }
.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--hairline);
  background: rgba(0, 22, 32, 0.6);
}
.modal__head-title {
  display: flex;
  align-items: center;
  gap: 14px;
}
.modal__head-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(200, 146, 17, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal__head-name {
  font-size: 16px;
  font-weight: 700;
}
.modal__head-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--ink-mute);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 2px;
}
.modal__close {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 1px solid var(--hairline);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--t-fast), border-color var(--t-fast);
}
.modal__close:hover {
  background: var(--hairline);
  border-color: var(--ink-faint);
}
.modal__body {
  overflow-y: auto;
  padding: 0;
}
.modal--video {
  max-width: 1120px;
}
.video-modal {
  background: linear-gradient(180deg, rgba(7, 26, 37, 0.96), rgba(0, 16, 26, 1));
}
.video-modal__frame {
  aspect-ratio: 16 / 9;
  background: #000;
}
.video-modal__frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}
.video-modal__meta {
  padding: 22px 24px 24px;
}
.video-modal__eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}
.video-modal__title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1;
  color: var(--ink);
}
.video-modal__info {
  margin-top: 12px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  color: var(--ink-dim);
  font-size: 13px;
}
.video-modal__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  text-decoration: none;
}
.video-modal__link:hover {
  color: var(--ink);
}

/* ─── REVEAL ANIMATION ────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 800ms cubic-bezier(.2,.7,.2,1), transform 800ms cubic-bezier(.2,.7,.2,1);
}
.reveal.in { opacity: 1; transform: none; }

/* ─── CONNECTION LINE ANIMATION ───────────────────── */
@keyframes dash {
  to { stroke-dashoffset: -40; }
}
.eco-line {
  stroke: var(--accent);
  stroke-width: 1.2;
  stroke-dasharray: 4 6;
  fill: none;
  opacity: 0.5;
  animation: dash 4s linear infinite;
}
.eco-line--solid {
  stroke: var(--hairline-strong);
  stroke-width: 1;
  stroke-dasharray: none;
  fill: none;
  opacity: 1;
  animation: none;
}
.eco-pulse {
  fill: var(--accent);
  opacity: 0.8;
}