/* ===== Alphys — base styles ===== */
:root {
  --bg: #101114;
  --bg-alt: #0b0c0f;
  --surface: #16181d;
  --border: rgba(245, 245, 245, 0.07);
  --border-strong: rgba(245, 245, 245, 0.16);
  --text: #f5f5f5;
  --muted: #9a9ca3;
  --accent: #f5a524;
  --accent-hover: #ffb84a;
  --blue: #3b82f6;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-head: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  --max: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); }
h2 { font-size: clamp(1.9rem, 4vw, 2.75rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.eyebrow {
  display: inline-block;
  font-size: .75rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 1rem;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 620px; }
.muted { color: var(--muted); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .9rem 1.6rem; font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; transition: all .2s ease;
  font-family: var(--font-body);
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-ghost { border-color: var(--border-strong); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--text); }
.btn-outline { border-color: var(--accent); color: var(--accent); padding: .6rem 1.1rem; }
.btn-outline:hover { background: var(--accent); color: #fff; }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(3px); }

/* ===== Header ===== */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(16, 17, 20, 0.85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.logo { display: flex; align-items: center; gap: .6rem; font-family: var(--font-head); font-weight: 700; font-size: 1.6rem; letter-spacing: -0.01em; }
.logo { gap: .7rem; }
.logo .logo-mark { height: 48px; width: auto; }
.logo-text { display: flex; flex-direction: column; gap: 6px; }
.logo .logo-wordmark { height: 22px; width: auto; }
.logo-tagline {
  font-family: var(--font-body); font-size: 8.4px; font-weight: 500;
  letter-spacing: .3em; text-transform: uppercase; color: #b9bcc4; white-space: nowrap; line-height: 1;
}
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; margin: 0; padding: 0; }
.nav-links a { font-size: .92rem; font-weight: 500; color: #d4d5d8; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); cursor: pointer; padding: 8px; }
.nav-toggle svg { width: 26px; height: 26px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute; top: 76px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: .5rem 24px 1.5rem; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: .8rem 0; font-size: 1rem; }
  .nav-links .btn-outline { margin-top: .75rem; display: inline-flex; }
}

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: 140px 0 160px; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.hero .container { position: relative; z-index: 1; }
.hero h1 { max-width: 760px; }
.hero .lead { margin-bottom: 2.2rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: 1rem; }
.hero-watermark {
  position: absolute; bottom: -0.18em; left: 50%; transform: translateX(-50%);
  font-family: var(--font-head); font-weight: 700; font-size: clamp(6rem, 22vw, 20rem);
  color: rgba(245, 245, 245, 0.025); letter-spacing: .02em; white-space: nowrap;
  pointer-events: none; z-index: 0; line-height: 1;
}

.page-hero { padding: 110px 0 70px; border-bottom: 1px solid var(--border); position: relative; overflow: hidden; }
.page-hero::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(59,130,246,.14), transparent 70%); pointer-events: none;
}

/* ===== Sections ===== */
section { padding: 110px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 3.5rem; max-width: 720px; }

.grid { display: grid; gap: 1px; padding: 1px; }
.grid > * { box-shadow: 0 0 0 1px var(--border); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card { background: var(--surface); padding: 2.4rem 2rem; transition: background .25s; position: relative; }
.card:hover { background: #1b1e24; }
.card::before {
  content: ""; position: absolute; left: 0; top: 0; height: 2px; width: 0;
  background: var(--accent); transition: width .35s ease;
}
.card:hover::before { width: 100%; }
.card .icon { width: 44px; height: 44px; color: var(--accent); margin-bottom: 1.4rem; }
.card p { color: var(--muted); margin: 0; }
.card .tag { font-size: .7rem; letter-spacing: .16em; font-weight: 700; color: var(--blue); text-transform: uppercase; margin-bottom: .8rem; display: block; }
.card ul { color: var(--muted); padding-left: 1.1rem; margin: 1rem 0 0; }
.card ul li { margin-bottom: .35rem; }

/* Why list */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem 4rem; }
@media (max-width: 760px) { .why-grid { grid-template-columns: 1fr; } }
.why-item { border-left: 2px solid var(--accent); padding-left: 1.5rem; }
.why-item .tag { font-size: .72rem; letter-spacing: .18em; font-weight: 700; color: var(--accent); text-transform: uppercase; }
.why-item h3 { font-size: 1.5rem; margin-top: .5rem; }
.why-item p { color: var(--muted); margin: 0; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
.stat { background: var(--surface); padding: 2rem; }
.stat strong { display: block; font-family: var(--font-head); font-size: 2.6rem; color: var(--accent); line-height: 1; margin-bottom: .5rem; }
.stat span { color: var(--muted); font-size: .92rem; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); } }

/* CTA */
.cta { text-align: center; }
.cta-box {
  border: 1px solid var(--border-strong); padding: 80px 32px;
  background: linear-gradient(135deg, rgba(245,165,36,.07), rgba(59,130,246,.06));
}
.cta-box .lead { margin: 0 auto 2rem; }

/* Two-col */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; gap: 2.5rem; } }

/* Forms */
.form { display: grid; gap: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
@media (max-width: 560px) { .form-row { grid-template-columns: 1fr; } }
.form label { display: block; font-size: .82rem; font-weight: 600; margin-bottom: .4rem; color: #d4d5d8; }
.form input, .form textarea, .form select {
  width: 100%; padding: .85rem 1rem; background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong); font: inherit; font-size: .95rem; border-radius: 0;
}
.form input:focus, .form textarea:focus, .form select:focus { outline: none; border-color: var(--accent); }
.form textarea { min-height: 150px; resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); }
.contact-info { display: grid; gap: 1.5rem; }
.contact-info .item { border-left: 2px solid var(--accent); padding-left: 1.2rem; }
.contact-info .item span { display: block; font-size: .72rem; letter-spacing: .16em; font-weight: 700; text-transform: uppercase; color: var(--muted); margin-bottom: .3rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 60px 0 40px; background: var(--bg-alt); }
.footer-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; flex-wrap: wrap; margin-bottom: 2.5rem; }
.footer-tagline { font-size: .75rem; letter-spacing: .2em; font-weight: 700; color: var(--muted); margin-top: 1rem; }
.footer-links { display: flex; gap: 1.8rem; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.footer-links a { color: var(--muted); font-size: .92rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; border-top: 1px solid var(--border); padding-top: 1.5rem; font-size: .85rem; color: var(--muted); }
.footer-bottom a:hover { color: var(--accent); }

/* Reveal on scroll */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* IP package checklist */
.pkg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); }
@media (max-width: 960px) { .pkg-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pkg-grid { grid-template-columns: 1fr; } }
.pkg-item { background: var(--surface); padding: 1.6rem 1.8rem; display: flex; gap: 1rem; align-items: flex-start; }
.pkg-item svg { width: 22px; height: 22px; flex: none; color: var(--accent); margin-top: 2px; }
.pkg-item strong { display: block; font-family: var(--font-head); font-size: 1.05rem; margin-bottom: .2rem; }
.pkg-item span { color: var(--muted); font-size: .92rem; }

.text-link { white-space: nowrap; color: var(--text); border-bottom: 1px solid var(--accent); transition: color .2s; }
.text-link:hover { color: var(--accent); }

.hp { display: none !important; }
.form-note.success { color: #4ade80; }
.form-note.error { color: #f87171; }
.btn:disabled { opacity: .6; cursor: wait; transform: none; }