:root {
  --ink: #0b1014;
  --slate: #11191f;
  --slate-2: #172229;
  --mist: #aebdc4;
  --ice: #cce2e9;
  --white: #f5f8f8;
  --line: rgba(220, 235, 240, 0.16);
  --container: 1180px;
  --header-height: 82px;
  --ease: 220ms ease;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--white);
  background: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }

.container { width: min(calc(100% - 48px), var(--container)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 999; top: 12px; left: 12px; padding: 10px 16px; color: var(--ink); background: var(--ice); transform: translateY(-150%); transition: transform var(--ease); }
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(to bottom, rgba(5,9,12,.78), rgba(5,9,12,.3));
  backdrop-filter: blur(14px);
}
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 13px; font-size: .9rem; font-weight: 750; letter-spacing: .24em; }
.brand-mark { position: relative; width: 31px; height: 22px; overflow: hidden; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; bottom: -9px; width: 22px; height: 22px; border: 1px solid var(--white); transform: rotate(45deg); }
.brand-mark::before { left: 0; }
.brand-mark::after { right: -8px; opacity: .55; }
.site-nav { display: flex; align-items: center; gap: 42px; height: 100%; }
.site-nav a { position: relative; display: grid; place-items: center; height: 100%; color: #d6dfe2; font-size: .86rem; letter-spacing: .08em; transition: color var(--ease); }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.active { color: #fff; }
.site-nav a.active::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--ice); }

.hero { position: relative; min-height: 100svh; display: flex; align-items: center; background-color: #10171c; background-size: cover; background-position: center; overflow: hidden; }
.hero-home { background-image: url("https://images.unsplash.com/photo-1603127047787-f7919173149c?auto=format&fit=crop&w=2400&q=88"); }
.hero-about { min-height: 76svh; background-image: url("https://images.unsplash.com/photo-1696862462726-7c12e7b37537?auto=format&fit=crop&w=2400&q=88"); background-position: center 42%; }
.hero-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,9,12,.92) 0%, rgba(5,9,12,.58) 47%, rgba(5,9,12,.18) 78%), linear-gradient(0deg, rgba(5,9,12,.65), transparent 48%); }
.hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: repeating-linear-gradient(90deg, transparent 0, transparent calc(25% - 1px), rgba(255,255,255,.035) 25%); }
.hero-content { position: relative; z-index: 2; padding-top: var(--header-height); }
.hero-content-small { padding-top: calc(var(--header-height) + 30px); }
.eyebrow { margin: 0 0 20px; color: var(--ice); font-size: .72rem; font-weight: 700; letter-spacing: .28em; line-height: 1.4; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 850px; margin-bottom: 30px; font-size: clamp(4rem, 9.3vw, 8.7rem); font-weight: 500; letter-spacing: -.065em; line-height: .84; }
.hero-about h1 { font-size: clamp(4rem, 8vw, 7.4rem); }
.hero-copy { max-width: 570px; margin-bottom: 38px; color: #d6e0e3; font-size: clamp(1.06rem, 1.6vw, 1.3rem); line-height: 1.65; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-width: 218px; padding: 15px 19px; border: 1px solid transparent; font-size: .8rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; transition: background var(--ease), color var(--ease), border-color var(--ease), transform var(--ease); }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--ink); background: var(--ice); }
.button-primary:hover { background: #edf9fc; }
.button-outline { border-color: rgba(255,255,255,.4); }
.button-outline:hover { color: var(--ink); border-color: var(--ice); background: var(--ice); }
.hero-index { position: absolute; z-index: 2; right: max(24px, calc((100vw - var(--container))/2)); bottom: 62px; display: flex; align-items: center; gap: 12px; color: rgba(255,255,255,.65); font-size: .7rem; letter-spacing: .12em; }
.hero-index i { display: block; width: 76px; height: 1px; background: linear-gradient(90deg, var(--white) 25%, rgba(255,255,255,.28) 25%); }
.scroll-cue { position: absolute; z-index: 2; bottom: 52px; left: max(24px, calc((100vw - var(--container))/2)); display: flex; gap: 16px; align-items: center; color: rgba(255,255,255,.7); font-size: .7rem; font-weight: 650; letter-spacing: .18em; text-transform: uppercase; }

.section { padding: 125px 0; }
.features { background: var(--slate); }
.section-heading { display: grid; grid-template-columns: 1.15fr .85fr; gap: 60px; align-items: end; margin-bottom: 68px; }
h2 { margin-bottom: 26px; font-size: clamp(2.55rem, 5vw, 5rem); font-weight: 450; letter-spacing: -.05em; line-height: 1.02; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { max-width: 490px; margin-bottom: 6px; color: var(--mist); }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.feature-card { position: relative; min-height: 390px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: transparent; transition: background var(--ease), transform var(--ease); }
.feature-card:hover { z-index: 2; background: var(--slate-2); transform: translateY(-7px); }
.card-number { color: #71828a; font-size: .68rem; letter-spacing: .16em; }
.feature-card h3 { margin: 50px 0 14px; font-size: 1.4rem; font-weight: 520; }
.feature-card p { color: var(--mist); font-size: .94rem; }
.text-link { position: absolute; bottom: 34px; font-size: .74rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.text-link span { display: inline-block; margin-left: 15px; transition: transform var(--ease); }
.text-link:hover span { transform: translateX(5px); }
.line-icon { width: 48px; height: 48px; margin-top: 39px; opacity: .8; }
.line-icon-compass { border: 1px solid var(--mist); border-radius: 50%; background: linear-gradient(135deg, transparent 47%, var(--ice) 48%, var(--ice) 52%, transparent 53%); transform: rotate(-18deg); }
.line-icon-peak { border-right: 1px solid var(--ice); border-bottom: 1px solid var(--ice); transform: rotate(-45deg) skew(10deg,10deg) scale(.75); }
.line-icon-flag { border-left: 1px solid var(--ice); background: linear-gradient(to bottom, transparent 0 4px, rgba(204,226,233,.65) 4px 22px, transparent 22px); clip-path: polygon(0 0, 100% 18%, 40% 44%, 40% 100%, 0 100%); }

.split-section { background: var(--ink); }
.split-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.split-image { position: relative; min-height: 620px; background: linear-gradient(rgba(6,10,13,.12), rgba(6,10,13,.42)), url("https://images.unsplash.com/photo-1477346611705-65d1883cee1e?auto=format&fit=crop&w=1400&q=86") center/cover; }
.split-image::before { content: ""; position: absolute; inset: 20px; border: 1px solid rgba(255,255,255,.15); }
.image-label { position: absolute; right: 28px; bottom: 26px; color: rgba(255,255,255,.65); font-size: .65rem; letter-spacing: .16em; writing-mode: vertical-rl; }
.split-copy { max-width: 490px; }
.lead { color: #d9e4e7; font-size: 1.26rem; line-height: 1.55; }
.split-copy > p:not(.eyebrow):not(.lead), .editorial-copy > p:not(.lead) { color: var(--mist); }
.split-copy .button { margin-top: 25px; }

.newsletter { padding: 90px 0; color: var(--ink); background: var(--ice); }
.newsletter .eyebrow { color: #40545e; }
.newsletter h2 { max-width: 570px; margin-bottom: 0; font-size: clamp(2.4rem, 4.8vw, 4.6rem); }
.newsletter-grid { display: grid; grid-template-columns: 1fr .85fr; gap: 70px; align-items: end; }
.signup-form { display: grid; grid-template-columns: 1fr auto; }
.signup-form input { min-width: 0; padding: 15px 0; color: var(--ink); border: 0; border-bottom: 1px solid #5f727a; border-radius: 0; outline: 0; background: transparent; }
.signup-form input:focus { border-bottom-color: var(--ink); }
.signup-form input::placeholder { color: #53666e; }
.signup-form button { padding: 15px 0 15px 24px; color: var(--ink); border: 0; border-bottom: 1px solid #5f727a; background: transparent; font-size: .78rem; font-weight: 750; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; }
.signup-form button span { margin-left: 12px; }
.signup-form p { grid-column: 1 / -1; margin: 12px 0 0; color: #5a6c74; font-size: .72rem; }

.about-content { background: var(--slate); }
.editorial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(60px, 9vw, 130px); }
.editorial-copy { padding-top: 42px; }
.editorial-copy blockquote { margin: 56px 0; padding: 4px 0 4px 28px; border-left: 1px solid var(--ice); color: var(--ice); font-family: Georgia, serif; font-size: clamp(1.5rem, 2.4vw, 2.2rem); font-style: italic; line-height: 1.45; }
.manifesto { min-height: 650px; display: flex; align-items: center; background: linear-gradient(90deg, rgba(5,9,12,.9), rgba(5,9,12,.24)), url("https://images.unsplash.com/photo-1477346611705-65d1883cee1e?auto=format&fit=crop&w=2400&q=88") center/cover; }
.manifesto-inner { position: relative; }
.manifesto-text { margin: 0; font-size: clamp(3rem, 7vw, 7rem); font-weight: 420; letter-spacing: -.06em; line-height: .98; }
.coordinates { position: absolute; right: 0; bottom: 0; color: rgba(255,255,255,.66); font-size: .68rem; letter-spacing: .16em; line-height: 1.8; }

.site-footer { padding: 28px 0; border-top: 1px solid var(--line); color: #89999f; background: #080c0f; font-size: .72rem; letter-spacing: .06em; }
.footer-wrap { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.footer-wrap p { margin: 0; }
.social-links { display: flex; gap: 28px; }
.social-links a { transition: color var(--ease); }
.social-links a:hover { color: var(--white); }

:focus-visible { outline: 2px solid var(--ice); outline-offset: 4px; }

@media (max-width: 850px) {
  :root { --header-height: 72px; }
  .container { width: min(calc(100% - 36px), var(--container)); }
  .section { padding: 90px 0; }
  .hero::after { background: repeating-linear-gradient(90deg, transparent 0, transparent calc(50% - 1px), rgba(255,255,255,.03) 50%); }
  .section-heading, .newsletter-grid, .editorial-grid { grid-template-columns: 1fr; gap: 28px; }
  .card-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 340px; }
  .split-grid { grid-template-columns: 1fr; }
  .split-image { min-height: min(70vh, 570px); }
  .split-copy { max-width: 640px; }
  .newsletter-grid { align-items: start; }
  .editorial-copy { padding-top: 0; }
}

@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand { font-size: .76rem; }
  .brand-mark { width: 27px; }
  .site-nav { gap: 22px; }
  .site-nav a { font-size: .78rem; }
  h1 { font-size: clamp(3.7rem, 19vw, 5.6rem); }
  .hero-copy { font-size: 1rem; }
  .hero-index { display: none; }
  .scroll-cue { bottom: 26px; }
  .section { padding: 75px 0; }
  .feature-card { padding: 28px; }
  .text-link { bottom: 28px; }
  .split-image { min-height: 450px; }
  .newsletter { padding: 72px 0; }
  .manifesto { min-height: 520px; }
  .coordinates { position: static; display: block; margin-top: 48px; }
  .footer-wrap { align-items: flex-start; flex-direction: column; gap: 14px; }
  .social-links { flex-wrap: wrap; gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}