@font-face {
  font-family: "Sora";
  src: url("../assets/fonts/Sora-Variable.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --navy: #10234F;
  --sky: #89CFF0;
  --ink: #0B1733;
  --body: #2B3A5E;
  --muted: #5B6B8A;
  --line: #DCE6F2;
  --pale: #EEF4FA;
  --white: #fff;
  --head: #0B1733;
  --bg: #fff;
  --card: #fff;
  --accent: #10234F;
  --footer: #0B1733;
  color-scheme: light;
  --font: Sora, "Ubuntu Sans", system-ui, sans-serif;
  --gutter: clamp(20px, 5vw, 56px);
  --max: 1120px;
}

:root[data-theme="dark"] {
  --head: #F2F6FC;
  --body: #C3D0E6;
  --muted: #9AAAC6;
  --line: #2A3F70;
  --pale: #10234F;
  --bg: #0B1733;
  --card: #10234F;
  --accent: #89CFF0;
  --footer: #0B1733;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
html { scrollbar-width: none; }
html::-webkit-scrollbar { display: none; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--head); line-height: 1.12; letter-spacing: -0.02em; margin: 0; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--sky); color: var(--navy); padding: 10px 16px; border-radius: 8px; z-index: 100; font-weight: 600; }
.skip:focus { top: 12px; }
.wrap { width: min(100% - 2 * var(--gutter), var(--max)); margin-inline: auto; }

/* Buttons */
.btn, button {
  touch-action: manipulation;
}
.btn {
  display: inline-block; font: inherit; font-weight: 600; font-size: .95rem;
  text-decoration: none; padding: 12px 22px; border-radius: 999px;
  border: 2px solid transparent; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-sky { background: var(--sky); color: var(--navy); }
.btn-sky:hover { background: var(--white); }
.btn-ghost { border-color: rgba(255,255,255,.45); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--navy); border-bottom: 1px solid rgba(255,255,255,.1); }
.bar { display: flex; align-items: center; justify-content: space-between; min-height: 68px; gap: 24px; }
.brand img { height: 35px; width: auto; }
nav { display: flex; align-items: center; gap: 28px; }
nav a:not(.btn) { color: var(--white); text-decoration: none; font-size: .95rem; font-weight: 500; }
nav a:not(.btn):hover { color: var(--sky); }
nav .btn { padding: 9px 18px; }
.lang { display: flex; border: 1px solid rgba(255,255,255,.35); border-radius: 999px; padding: 2px; }
.lang button { font: inherit; font-size: .78rem; font-weight: 600; letter-spacing: .06em; color: var(--white); background: none; border: 0; border-radius: 999px; padding: 6px 11px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--sky); color: #10234F; }
.nav-toggle { display: none; background: none; border: 0; padding: 12px; cursor: pointer; }
.bars, .bars::before, .bars::after { display: block; width: 22px; height: 2px; background: var(--white); content: ""; position: relative; }
.bars::before { top: -7px; position: absolute; }
.bars::after { top: 7px; position: absolute; }

/* Hero */
.hero { position: relative; background: var(--navy); color: var(--white); overflow: hidden; padding: clamp(72px, 12vw, 150px) 0 clamp(80px, 13vw, 160px); }
.hero-mark {
  position: absolute; right: -14%; top: 50%; width: min(78vw, 880px); transform: translateY(-50%);
  opacity: 1; pointer-events: none; animation: drift 1.4s cubic-bezier(.2,.7,.2,1) both;
}
@keyframes drift { from { opacity: 0; transform: translate(40px, -50%); } to { opacity: 1; transform: translate(0, -50%); } }
.hero-inner { position: relative; }
.hero::after { /* keep text readable over the ribbon */
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy) 38%, rgba(16,35,79,0) 78%);
}
.hero-inner { z-index: 1; }
.eyebrow { font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; color: var(--sky); font-weight: 600; margin-bottom: 20px; }
.hero h1 { color: var(--white); font-size: clamp(2.4rem, 6.2vw, 4.8rem); max-width: 14ch; }
.hero h1 span { color: var(--sky); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 46ch; color: #D6E2F2; margin: 28px 0 36px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Sections */
.section { padding: clamp(64px, 9vw, 120px) 0; }
.section.tint { background: var(--pale); }
.sec-title { font-size: clamp(1.7rem, 3.4vw, 2.6rem); margin-bottom: 20px; }
.body-lg { font-size: 1.2rem; color: var(--head); }
.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 88px); align-items: start; }

.cards { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.cards li { border: 1px solid var(--line); border-top: 4px solid var(--accent); border-radius: 12px; padding: 28px 24px; background: var(--card); }
.cards h3 { font-size: 1.15rem; margin-bottom: 10px; }
.cards p { margin: 0; font-size: .96rem; }

/* Approach: four strands shifting navy -> baby blue (the mark's own gradient) */
.strands { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.strands li { display: grid; grid-template-columns: 1fr; gap: 2px; padding: 4px 0 4px 22px; border-left: 6px solid; }
.strands li:nth-child(1) { border-color: var(--accent); }
.strands li:nth-child(2) { border-color: var(--sky); }
.strands li:nth-child(3) { border-color: var(--accent); }
.strands li:nth-child(4) { border-color: var(--sky); }
.strands b { color: var(--head); font-size: 1.1rem; }
.strands span { color: var(--body); }

.prose p:last-child { margin-bottom: 0; }

/* Contact */
.contact { background: var(--navy); color: #D6E2F2; }
.on-dark { color: var(--white); }
p.on-dark.body-lg { color: #D6E2F2; }
.mail { color: var(--sky); font-weight: 600; font-size: 1.15rem; text-underline-offset: 4px; }
form { display: grid; gap: 18px; }
label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--white); }
input, textarea {
  font: inherit; font-weight: 400; color: var(--ink); background: var(--white);
  border: 2px solid transparent; border-radius: 10px; padding: 12px 14px; width: 100%;
}
input:focus-visible, textarea:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }
form .btn { justify-self: start; }
.note { font-size: .85rem; color: #B9C9E2; margin: 0; }

/* Footer */
.site-footer { background: var(--footer); color: #B9C9E2; font-size: .9rem; }
.site-footer p { margin: 0; }
.site-footer img { height: 31px; width: auto; }
.site-footer .bar { min-height: 96px; flex-wrap: wrap; }
:root[data-theme="dark"] .site-footer { border-top: 1px solid var(--line); }

/* Mobile */
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy); padding: 8px var(--gutter) 24px; border-bottom: 1px solid rgba(255,255,255,.1);
  }
  nav.open { display: flex; }
  nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
  nav .btn { margin-top: 16px; text-align: center; }
  .lang { align-self: flex-start; margin-top: 16px; }
  .split { grid-template-columns: 1fr; }
  .hero-mark { right: -40%; width: 120vw; top: 62%; opacity: .5; }
  .hero::after { background: linear-gradient(90deg, rgba(16,35,79,.85), rgba(16,35,79,.4)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-mark { animation: none; }
  * { transition: none !important; }
}

.legal { display: grid; gap: 2px; text-align: right; }
@media (max-width: 820px) {
  .site-footer .bar { flex-direction: column; align-items: flex-start; justify-content: center; gap: 20px; padding: 36px 0; }
  .legal { text-align: left; gap: 6px; }
}

.signoff { margin-top: 28px; color: var(--head); }

/* Theme toggle */
.theme-toggle { display: grid; place-items: center; width: 38px; height: 38px; padding: 0; color: var(--white); background: none; border: 1px solid rgba(255,255,255,.35); border-radius: 50%; cursor: pointer; transition: border-color .2s, color .2s; }
.theme-toggle:hover { border-color: var(--white); color: var(--sky); }
.theme-toggle svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.theme-toggle .moon { display: none; }
:root[data-theme="dark"] .theme-toggle .sun { display: none; }
:root[data-theme="dark"] .theme-toggle .moon { display: block; }
@media (max-width: 820px) { .theme-toggle { align-self: flex-start; margin-top: 16px; } }

/* Form feedback */
.err { margin: 0; font-size: .85rem; font-weight: 500; color: #FFB4B4; }
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: #FFB4B4; }
.status { margin: 0; font-size: .9rem; color: var(--white); }
.status:empty { display: none; }

/* Touch targets */
@media (pointer: coarse) {
  .lang button { min-width: 44px; min-height: 44px; }
  .theme-toggle { width: 44px; height: 44px; }
}