:root {
  --navy-950: #031329;
  --navy-900: #061a38;
  --navy-800: #092759;
  --blue: #0d3f91;
  --cyan: #11a8c5;
  --green: #16b977;
  --ice: #e9f7ff;
  --white: #ffffff;
  --muted: #a9bad2;
  --line: rgba(167, 212, 238, 0.18);
  --shadow: 0 24px 80px rgba(0, 10, 32, 0.36);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--white);
  background:
    radial-gradient(circle at 12% 10%, rgba(17, 168, 197, 0.18), transparent 31rem),
    radial-gradient(circle at 92% 48%, rgba(22, 185, 119, 0.12), transparent 32rem),
    var(--navy-950);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, select { font: inherit; }

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: 1rem;
  padding: .75rem 1rem;
  background: var(--white);
  color: var(--navy-950);
  border-radius: 10px;
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  padding: 1rem clamp(1rem, 4vw, 4.5rem);
  background: rgba(3, 19, 41, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  text-decoration: none;
  font-weight: 750;
  letter-spacing: .28em;
}
.brand-mark {
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  background: linear-gradient(145deg, var(--blue), var(--green));
  font-size: 1.1rem;
  letter-spacing: normal;
}
.header-actions { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

.lang-switch { display: flex; flex-shrink: 0; gap: .35rem; padding: .25rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.04); }
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .35rem .6rem;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .03em;
  white-space: nowrap;
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.lang-btn svg { width: 1.15rem; height: .77rem; border-radius: 2px; box-shadow: 0 0 0 1px rgba(255,255,255,.25); }
.lang-btn:hover { color: var(--ice); background: rgba(255,255,255,.06); }
.lang-btn[aria-pressed="true"] { color: var(--white); background: rgba(255,255,255,.12); }
.lang-btn:focus-visible { outline: 2px solid rgba(255,255,255,.9); outline-offset: 2px; }

.status-pill {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: .55rem;
  color: #d8e8f5;
  font-size: .86rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
}
.status-pill .status-dot {
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 .35rem rgba(22,185,119,.13);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .75rem;
  min-height: 3.2rem;
  padding: .8rem 1.25rem;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: linear-gradient(110deg, var(--blue), var(--cyan) 62%, var(--green));
  box-shadow: 0 14px 34px rgba(0, 118, 188, .25);
  text-decoration: none;
  font-weight: 720;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(0,118,188,.32); }
.button:focus-visible { outline: 3px solid rgba(255,255,255,.9); outline-offset: 3px; }
.button:disabled { opacity: .46; cursor: not-allowed; transform: none; }
.button-small { min-height: 2.65rem; padding: .55rem 1rem; font-size: .92rem; flex-shrink: 0; }
.button-ghost { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.18); box-shadow: none; }

.hero {
  width: min(1480px, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 7rem) 0 clamp(2.5rem, 5vw, 5rem);
}
.hero-intro {
  display: grid;
  max-width: 920px;
  gap: 1.15rem;
  margin: 0 auto clamp(2rem, 5vw, 4rem);
  text-align: center;
}
.eyebrow {
  margin: 0;
  color: #79d8e8;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .19em;
  text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 {
  margin-bottom: 0;
  font-size: clamp(2.35rem, 6vw, 5.75rem);
  line-height: .98;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.hero-intro > p:not(.eyebrow) {
  max-width: 780px;
  margin-inline: auto;
  color: #c8d9eb;
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  text-wrap: balance;
}
.hero-intro .button { justify-self: center; }

.vision-card {
  overflow: hidden;
  margin: 0;
  border: 1px solid rgba(170, 220, 245, .18);
  border-radius: clamp(16px, 2vw, 28px);
  background: #071832;
  box-shadow: var(--shadow);
}
.vision-card img { width: 100%; height: auto; }
.vision-card figcaption {
  padding: .85rem 1rem 1rem;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(6,26,56,.82), rgba(3,19,41,.98));
  font-size: .88rem;
  text-align: center;
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(1220px, calc(100% - 2rem));
  margin: 0 auto clamp(5rem, 10vw, 9rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.pillars article { position: relative; padding: clamp(1.6rem, 4vw, 3rem); }
.pillars article + article { border-left: 1px solid var(--line); }
.pillar-number { color: var(--green); font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
.pillars h2 { margin: .55rem 0 .55rem; font-size: clamp(1.35rem, 2.5vw, 2rem); }
.pillars p { margin: 0; color: var(--muted); }

.signup-section {
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(520px, 1.14fr);
  gap: clamp(2.25rem, 6vw, 6rem);
  align-items: start;
  width: min(1220px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0 0 clamp(5rem, 10vw, 9rem);
}
.signup-copy { position: sticky; top: 8rem; padding-top: 2rem; }
.signup-copy h2 {
  margin: .8rem 0 1rem;
  font-size: clamp(2.2rem, 4.5vw, 4.4rem);
  line-height: 1.03;
  letter-spacing: -.045em;
  text-wrap: balance;
}
.signup-copy > p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }

.form-card {
  padding: clamp(1.25rem, 3vw, 2.2rem);
  border: 1px solid rgba(170,220,245,.22);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(12,42,85,.92), rgba(4,22,48,.96));
  box-shadow: var(--shadow);
}
.contact-card { display: grid; gap: 1.15rem; justify-items: center; text-align: center; }
.contact-lead { margin: 0; color: #dceaf5; font-size: 1.05rem; }
.contact-card .mini-privacy { width: 100%; text-align: left; }
.mini-privacy a { color: #7ad9e8; text-underline-offset: 3px; }
.mini-privacy { margin: 0; color: #a9bad2; font-size: .79rem; line-height: 1.55; }
.mini-privacy strong { color: #dceaf5; }
.button-submit { width: 100%; max-width: 360px; }
.button-submit svg { width: 1.25rem; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.site-footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  padding: 2.2rem clamp(1rem,4vw,4.5rem);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: rgba(1, 12, 29, .6);
  font-size: .88rem;
}
.site-footer div { display: grid; gap: .25rem; }
.site-footer strong { color: var(--white); letter-spacing: .18em; }
.site-footer nav { display: flex; gap: 1.4rem; }
.site-footer a { text-underline-offset: 4px; }

@media (max-width: 900px) {
  .signup-section { grid-template-columns: 1fr; }
  .signup-copy { position: static; padding-top: 0; }
  .pillars { grid-template-columns: 1fr; }
  .pillars article + article { border-left: 0; border-top: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .site-header { padding: .8rem 1rem; }
  .brand { font-size: .9rem; letter-spacing: .18em; }
  .brand-mark { width: 2rem; height: 2rem; }
  .status-pill { display: none; }
  .button-small { padding: .5rem .8rem; }
  .lang-btn { padding: .32rem .45rem; }
  .hero { width: min(100% - 1rem, 1480px); padding-top: 3.3rem; }
  .vision-card figcaption { text-align: left; }
  .pillars, .signup-section { width: min(100% - 1.25rem, 1220px); }
  .form-card { padding: 1rem; }
  .site-footer { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
