/* UniLink website — same palette and type as the macOS app. Self-hosted fonts: no third-party requests. */
@font-face { font-family: "Inter"; src: url("fonts/Inter-Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/Inter-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Inter"; src: url("fonts/Inter18pt-Bold.ttf") format("truetype"); font-weight: 700; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("fonts/InstrumentSerif-Italic.ttf") format("truetype"); font-style: italic; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("fonts/InstrumentSans-Medium.ttf") format("truetype"); font-weight: 500; font-display: swap; }

:root {
  --pink: #ff37c7;
  --pink-hover: #ed2bb4;
  --pink-soft: #ffeffb;
  --pink-tint: #fff7fd;
  --text: #131313;
  --gray: #6a6a6a;
  --light-gray: #b4b4b4;
  --border: #e7e7e7;
  --field: #f7f7f7;
  --green: #0c8911;
  --bg: #ffffff;
  --radius: 16px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 500 17px/1.55 "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--pink); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255, 255, 255, 0.86); backdrop-filter: saturate(180%) blur(14px); border-bottom: 1px solid var(--border); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; font-size: 19px; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--gray); font-weight: 600; font-size: 15px; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 54px; padding: 0 26px; border-radius: 14px; font-weight: 700; font-size: 16px; border: 2px solid transparent; transition: background .15s ease, transform .15s ease; }
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.99); }
.btn-primary { background: var(--pink); color: #fff; }
.btn-primary:hover { background: var(--pink-hover); }
.btn-outline { border-color: var(--pink); color: var(--pink); background: #fff; }
.btn-outline:hover { background: var(--pink-tint); }
.btn-small { height: 40px; padding: 0 16px; font-size: 14px; border-radius: 11px; }
.btn[aria-disabled="true"] { opacity: .55; cursor: default; }

/* Hero */
.hero { padding: 88px 0 72px; text-align: center; background: radial-gradient(1100px 520px at 50% -10%, var(--pink-soft), transparent 70%); }
.hero-icon { width: 104px; height: 104px; margin: 0 auto 28px; filter: drop-shadow(0 18px 30px rgba(255, 55, 199, .22)); }
.hero h1 { margin: 0; font: 500 clamp(48px, 8vw, 92px)/1.02 "Instrument Sans", "Inter", sans-serif; letter-spacing: -0.035em; }
.hero h1 em { font: italic 400 1.05em/1 "Instrument Serif", Georgia, serif; color: var(--pink); letter-spacing: -0.01em; }
.hero p.lead { max-width: 640px; margin: 26px auto 0; font-size: clamp(17px, 2.2vw, 20px); color: var(--gray); }
.hero .actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.hero .note { margin-top: 14px; font-size: 14px; color: var(--light-gray); }

/* Sections */
section { padding: 84px 0; }
section.alt { background: var(--field); }
.eyebrow { color: var(--pink); font-weight: 700; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 10px; }
h2 { margin: 0; font-size: clamp(30px, 4vw, 42px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 700; }
.section-lead { color: var(--gray); max-width: 640px; margin: 14px 0 0; }
.center { text-align: center; }
.center .section-lead { margin-left: auto; margin-right: auto; }

/* Feature grid */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 44px; }
.card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
section.alt .card { border-color: transparent; }
.card .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--pink-soft); color: var(--pink); display: grid; place-items: center; font-size: 22px; margin-bottom: 18px; }
.card h3 { margin: 0 0 8px; font-size: 19px; font-weight: 600; }
.card p { margin: 0; color: var(--gray); font-size: 15.5px; }

/* Security split */
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.checks { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.checks li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; }
.checks li::before { content: "✓"; width: 26px; height: 26px; border-radius: 50%; background: var(--pink); color: #fff; font-size: 14px; font-weight: 700; display: grid; place-items: center; margin-top: 1px; }
.checks b { display: block; font-weight: 600; }
.checks span { color: var(--gray); font-size: 15.5px; }

/* Illustrative app mock */
.mock { background: #fff; border: 1px solid var(--border); border-radius: 24px; padding: 26px; box-shadow: 0 30px 60px rgba(19, 19, 19, .08); }
.mock .row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.mock .label { color: var(--gray); font-size: 14px; }
.mock .balance { font-size: 40px; font-weight: 700; letter-spacing: -0.02em; margin: 4px 0 2px; }
.mock .balance span { color: var(--gray); }
.mock .delta { color: var(--green); font-size: 14px; }
.mock .buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 20px 0; }
.mock .buttons div { background: var(--pink); color: #fff; border-radius: 12px; height: 44px; display: grid; place-items: center; font-weight: 700; font-size: 15px; }
.mock .token { padding: 12px 0; border-top: 1px solid var(--border); font-size: 15px; }
.mock .dot { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font-size: 12px; font-weight: 700; color: #fff; flex: none; }
.mock .name { display: flex; align-items: center; gap: 12px; }
.mock small { color: var(--gray); display: block; font-size: 13px; }
.mock-caption { text-align: center; color: var(--light-gray); font-size: 13px; margin-top: 12px; }

/* Networks */
.networks { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 34px; }
.chip { border: 1px solid var(--border); background: #fff; border-radius: 999px; padding: 10px 20px; font-weight: 600; font-size: 15px; }

/* FAQ */
.faq { max-width: 780px; margin: 40px auto 0; }
.faq details { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--pink); font-weight: 700; font-size: 22px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--gray); margin: 12px 0 0; }

/* CTA */
.cta { text-align: center; background: var(--pink); color: #fff; border-radius: 28px; padding: 64px 24px; }
.cta h2 { color: #fff; }
.cta p { opacity: .9; margin: 14px auto 28px; max-width: 560px; }
.cta .btn { background: #fff; color: var(--pink); }

/* Document pages (privacy / terms / contact) */
.doc { padding: 64px 0 88px; }
.doc .wrap { max-width: 820px; }
.doc h1 { font-size: clamp(36px, 5vw, 48px); letter-spacing: -0.02em; margin: 0 0 10px; }
.doc .updated { color: var(--gray); font-size: 15px; margin: 0 0 32px; }
.doc .intro { font-size: 18px; color: var(--text); border-left: 4px solid var(--pink); padding: 4px 0 4px 18px; margin: 0 0 36px; }
.doc h2 { font-size: 22px; margin: 34px 0 10px; letter-spacing: -0.01em; }
.doc p { color: #3a3a3a; margin: 0; }
.warning { background: var(--pink-tint); border: 1px solid #ffc7ee; border-radius: var(--radius); padding: 18px 20px; color: #b3008a; margin: 28px 0; }
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 28px; }
.contact-grid .card a.big { font-size: 19px; font-weight: 700; word-break: break-all; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--gray); font-size: 14px; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer nav a { color: var(--gray); }
.site-footer .disclaimer { flex-basis: 100%; font-size: 13px; color: var(--light-gray); }

/* Responsive */
@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .nav { gap: 16px; }
  .nav .hide-sm { display: none; }
  .grid, .contact-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .hero { padding: 64px 0 56px; }
  .btn { width: 100%; }
  .site-header .btn { width: auto; }
}

/* ===== Landing (Unichain-inspired: hot-pink grid hero, serif-italic accents, mono labels) ===== */
:root { --hot: #fc14c8; --hot-2: #ff129e; --plum: #2e1430; --mono: ui-monospace, "SF Mono", Menlo, monospace; }
.landing .site-header { background: transparent; border-bottom-color: transparent; position: fixed; left: 0; right: 0; transition: background .2s, border-color .2s; }
.landing .site-header .brand, .landing .site-header .nav a { color: #fff; }
.landing .site-header.scrolled { background: rgba(255,255,255,.9); border-bottom-color: var(--border); }
.landing .site-header.scrolled .brand { color: var(--text); }
.landing .site-header.scrolled .nav a { color: var(--hot); }
.u-hero { position: relative; overflow: hidden; color: #fff; padding: 168px 0 112px;
  background: radial-gradient(800px 500px at 88% 8%, var(--hot-2), transparent 70%), radial-gradient(700px 500px at 96% 100%, #ff4fd8, transparent 70%), var(--hot); }
.u-hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
  background-size: 68px 68px; mask-image: radial-gradient(ellipse at 40% 40%, #000 30%, transparent 85%); }
.u-hero .wrap { position: relative; }
.u-hero h1 { margin: 0; font: 500 clamp(52px, 8.5vw, 104px)/1.0 "Instrument Sans", "Inter", sans-serif; letter-spacing: -0.04em; }
.u-hero h1 em { font: italic 400 1.06em/1 "Instrument Serif", Georgia, serif; letter-spacing: -0.01em; }
.u-hero .lead { max-width: 560px; margin: 28px 0 0; font-size: clamp(17px, 2vw, 20px); color: rgba(255,255,255,.88); }
.u-hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 36px; }
.pill { display: inline-flex; align-items: center; gap: 10px; height: 50px; padding: 0 22px; border-radius: 14px; font-weight: 600; font-size: 16px; color: #fff; background: var(--plum); transition: background .15s; }
.pill:hover { background: #43203f; text-decoration: none; }
.pill.ghost { background: rgba(46,20,48,.42); }
.u-hero .meta { margin-top: 56px; color: rgba(255,255,255,.75); font-size: 15px; }
.u-hero .hero-app { position: absolute; right: 24px; top: 50%; transform: translateY(-50%) rotate(-6deg); width: min(30vw, 300px); filter: drop-shadow(0 40px 60px rgba(80,0,60,.35)); }

.u-title { text-align: center; color: var(--hot); font-size: clamp(30px, 4vw, 44px); font-weight: 600; letter-spacing: -0.02em; margin: 0; }
.u-sub { text-align: center; max-width: 660px; margin: 14px auto 0; font-size: clamp(17px, 2vw, 21px); color: var(--text); }
.u-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 52px; }
.u-card { background: var(--field); border-radius: 22px; padding: 22px; overflow: hidden; }
.u-card .tag, .u-badge { font: 600 12px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--gray); }
.u-art { position: relative; height: 210px; margin: 16px 0 22px; border-radius: 16px; display: grid; place-items: center;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px); background-size: 28px 28px; }
.u-art .glyph { width: 112px; height: 112px; border-radius: 50%; border: 2px solid var(--hot); display: grid; place-items: center; font-size: 46px; color: var(--hot); background: #fff; box-shadow: 0 0 0 14px rgba(252,20,200,.07); }
.u-card h3 { margin: 0 0 6px; font-size: 24px; font-weight: 600; letter-spacing: -0.01em; }
.u-card p { margin: 0; color: var(--gray); }
.u-divider { display: flex; align-items: center; gap: 16px; color: var(--hot); margin: 0 auto 56px; max-width: 760px; }
.u-divider::before, .u-divider::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, #ffb3ec, transparent); }
.u-ahead { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; text-align: center; }
.u-badge { display: inline-block; padding: 6px 10px; border-radius: 6px; background: var(--pink-soft); color: var(--hot); }
.u-badge.soon { background: #eee; color: var(--gray); }
.u-ahead h4 { margin: 14px 0 4px; font-size: 20px; font-weight: 600; }
.u-ahead p { margin: 0; color: var(--gray); font-size: 15px; }
.u-big { font: 500 clamp(36px, 5vw, 60px)/1.05 "Instrument Sans", "Inter", sans-serif; letter-spacing: -0.03em; margin: 0 0 32px; }
.u-big em { font: italic 400 1.06em "Instrument Serif", Georgia, serif; color: var(--hot); }
.u-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.u-link { position: relative; display: block; padding: 22px 24px 26px; border-radius: 18px; background: var(--field); color: var(--text); transition: background .15s; }
.u-link:hover { background: var(--pink-soft); text-decoration: none; }
.u-link.hl { background: var(--pink-soft); }
.u-link .ic { color: var(--hot); font-size: 18px; }
.u-link::after { content: "↗"; position: absolute; top: 18px; right: 22px; color: var(--hot); }
.u-link b { display: block; margin-top: 26px; font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.u-link.hl b { color: var(--hot); }
.u-link span { color: var(--gray); font-size: 15px; }
.u-foot { background: linear-gradient(180deg, #fff, #fff0fb); }
.u-faq { padding-top: 24px; }
@media (max-width: 900px) { .u-hero .hero-app { display: none; } .u-ahead { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .u-cards, .u-links { grid-template-columns: 1fr; } .u-hero { padding: 128px 0 84px; } .pill { width: 100%; justify-content: center; } }
.u-faq .faq { max-width: none; margin: 0; }
/* Header always white on the landing too */
.landing .site-header, .landing .site-header.scrolled { background: rgba(255,255,255,.94); border-bottom-color: var(--border); }
.landing .site-header .brand { color: var(--text); }
.landing .site-header .nav a { color: var(--hot); }
.landing .site-header, .landing .site-header.scrolled { background: #fff; backdrop-filter: none; }