/* VY Studio — light design tokens + layout
 * Sources: baseline-ui (spacing/hierarchy/type), frontend-design (restraint),
 * inspo light refs: dversostudio-io, works-studio; structure adapted from
 * pixelport.io (IA only — all copy, names, and visuals are original).
 * Macro: Marquee + alternating work rows. Single accent only.
 */
:root {
  --paper: #fcfaf6;
  --paper-soft: #f4efe6;
  --ink: #111214;
  --muted: #5f6368;
  --faint: #8a8f98;
  --rule: #e6dfd2;
  --card: #ffffff;
  --accent: #0071e3;
  --accent-ink: #0058b0;
  --accent-soft: #e7f1fd;
  --radius: 14px;
  --font-sans: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --max: 1120px;
  --section-pad: clamp(72px, 10vw, 140px);
  --z-nav: 50;
  --z-modal: 40;
  --z-toast: 30;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

h1, h2, h3 { text-wrap: balance; line-height: 1.12; letter-spacing: -0.02em; margin: 0; }
p { text-wrap: pretty; margin: 0; }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: 24px; }
section { padding-block: var(--section-pad); }
.rule-top { border-top: 1px solid var(--rule); }

.dateline {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 16px;
}
.section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 800; }
.section-lede { color: var(--muted); max-width: 62ch; margin-top: 12px; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-ink);
  margin: 0 0 8px;
}

/* Skip link */
.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--ink); color: #fff; padding: 8px 16px; z-index: 60;
}
.skip:focus { left: 8px; top: 8px; }

/* Nav — inline minimal over paper */
.site-nav {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: rgba(252, 250, 246, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
  padding-top: env(safe-area-inset-top);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-block: 12px;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: var(--ink); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 13px; letter-spacing: -0.05em;
}
.brand-name { font-weight: 700; font-size: 15px; display: block; line-height: 1.2; }
.brand-domain { font-family: var(--font-mono); font-size: 11px; color: var(--muted); display: block; }
.nav-links { display: flex; gap: 26px; font-size: 14px; font-weight: 500; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 10px; }

/* Buttons — one accent */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: 600 14px/1 var(--font-sans);
  padding: 13px 22px; border-radius: 10px;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform 150ms ease-out, background 150ms ease-out;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-quiet {
  background: transparent; color: var(--ink);
  border-color: var(--rule); font-weight: 600;
}
.btn-quiet:hover { border-color: var(--ink); }
.btn-sm { padding: 9px 14px; font-size: 12px; }
.btn:focus-visible, a:focus-visible, button:focus-visible,
input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

/* Hero — slim, type-led */
.hero { padding-block: clamp(56px, 8vw, 110px); }
.hero-slim { max-width: 860px; }
.hero h1 { font-size: clamp(40px, 6vw, 68px); font-weight: 800; }
.hero-sub { color: var(--muted); font-size: 17px; max-width: 52ch; margin-top: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Marquee — app index strip (inspo logo-cloud/marquee pattern) */
.marquee {
  overflow: hidden;
  border-block: 1px solid var(--rule);
  padding-block: 18px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; gap: 40px; width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-50%); } }
.marquee-item {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 15px; white-space: nowrap;
}
.marquee-item .mini-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--paper-soft); border: 1px solid var(--rule);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; font-weight: 800;
}
.marquee-item .tag {
  font-family: var(--font-mono); font-size: 11px; color: var(--muted); font-weight: 400;
}

/* App rows — alternating media/text */
.apps-head { margin-bottom: 48px; }
.app-row {
  display: grid; grid-template-columns: 1fr; gap: 32px; align-items: center;
  padding: 48px 0; border-bottom: 1px solid var(--rule);
}
.app-row:first-of-type { border-top: 1px solid var(--rule); }
@media (min-width: 900px) {
  .app-row { grid-template-columns: 1fr 1fr; gap: 64px; }
  .app-row.flip .shot { order: 2; }
}
.shot {
  background: var(--paper-soft);
  border: 1px solid var(--rule); border-radius: 18px;
  padding: 40px 24px; display: flex; justify-content: center;
}
/* Lightweight CSS phone mockup (placeholder until real screenshots exist) */
.phone {
  width: 190px; border-radius: 34px;
  background: var(--ink); padding: 9px;
}
.phone-screen {
  background: var(--card); border-radius: 26px; overflow: hidden;
  padding: 14px 12px 16px; min-height: 340px;
  display: flex; flex-direction: column; gap: 10px;
}
.notch {
  width: 72px; height: 18px; border-radius: 999px;
  background: var(--ink); margin: 0 auto 4px;
}
.mock-app {
  display: flex; align-items: center; gap: 8px;
}
.mock-icon {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  background: var(--ink); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800;
}
.mock-name { height: 9px; border-radius: 99px; background: var(--rule); width: 64px; }
.mock-hero {
  border-radius: 12px; background: var(--accent-soft);
  border: 1px solid var(--rule); padding: 12px; margin-top: 4px;
}
.mock-hero b { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.mock-hero span { font-size: 10px; color: var(--muted); font-family: var(--font-mono); }
.mock-bar { height: 34px; border-radius: 9px; background: var(--paper-soft); border: 1px solid var(--rule); }
.mock-line { height: 8px; border-radius: 99px; background: var(--rule); }
.mock-line.short { width: 55%; }
.app-meta { font-family: var(--font-mono); font-size: 11px; color: var(--accent-ink); }
.app-row h3 { font-size: clamp(24px, 3vw, 32px); margin-top: 8px; }
.app-row .desc { color: var(--muted); font-size: 15px; margin-top: 12px; max-width: 46ch; }
.app-row .rate { font-family: var(--font-mono); font-size: 12px; color: var(--muted); margin-top: 12px; font-variant-numeric: tabular-nums; }
.app-row .row-actions { display: flex; gap: 12px; margin-top: 20px; }
.wip-pill {
  display: inline-block; font-family: var(--font-mono); font-size: 11px;
  border: 1px dashed var(--faint); color: var(--muted);
  border-radius: 999px; padding: 4px 12px; margin-top: 12px;
}

/* Practice + principles */
.practice-grid { display: grid; grid-template-columns: 1fr; gap: 28px; margin-top: 36px; }
@media (min-width: 860px) { .practice-grid { grid-template-columns: repeat(3, 1fr); gap: 40px; } }
.practice-grid h3 { font-size: 19px; margin-bottom: 8px; }
.practice-grid p { color: var(--muted); font-size: 15px; }
.principles { margin-top: 64px; }
.principles-grid { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 20px; border-top: 1px solid var(--rule); }
@media (min-width: 860px) { .principles-grid { grid-template-columns: repeat(4, 1fr); } }
.principles-grid > div { padding: 24px 24px 24px 0; border-bottom: 1px solid var(--rule); }
@media (min-width: 860px) {
  .principles-grid > div { border-bottom: 0; border-left: 1px solid var(--rule); padding-left: 24px; }
  .principles-grid > div:first-child { border-left: 0; padding-left: 0; }
}
.principles-grid h3 { font-size: 17px; margin-bottom: 6px; }
.principles-grid p { color: var(--muted); font-size: 14px; }

/* Stats band */
.stats-band { padding-block: 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
  border-block: 1px solid var(--rule); padding-block: 36px;
}
@media (min-width: 860px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stats-grid b { display: block; font-size: clamp(30px, 4vw, 44px); font-weight: 800; font-variant-numeric: tabular-nums; }
.stats-grid span { font-size: 13px; color: var(--muted); }

/* Closing */
.closing-inner { max-width: 720px; }
.closing-inner .section-lede { margin-top: 16px; }

/* Contact */
.contact-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.contact-head p { color: var(--muted); font-size: 15px; margin-top: 10px; }
.form-card {
  border: 1px solid var(--rule); border-radius: 18px; background: var(--card);
  padding: clamp(24px, 4vw, 44px); max-width: 680px; margin-inline: auto;
}
.form-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 6px; text-align: left; }
.field label { font-family: var(--font-mono); font-size: 11px; color: var(--muted); }
.field input, .field textarea {
  font: 400 14px var(--font-sans); color: var(--ink);
  background: var(--paper); border: 1px solid var(--rule); border-radius: 10px;
  padding: 12px 14px; width: 100%;
}
.field input:focus, .field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.mail-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  border-top: 1px solid var(--rule); margin-top: 24px; padding-top: 20px;
  font-size: 13px; color: var(--muted);
}
.mail-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 12px;
  border: 1px solid var(--rule); background: var(--paper); color: var(--ink);
  border-radius: 8px; padding: 8px 12px; cursor: pointer;
}
.mail-btn:hover { border-color: var(--ink); }

/* Footer */
footer { border-top: 1px solid var(--rule); padding-block: 40px; font-size: 12px; color: var(--muted); }
.foot-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.foot-brand { display: flex; align-items: center; gap: 10px; }
.foot-mini { width: 24px; height: 24px; border-radius: 7px; background: var(--accent); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 800; }
.foot-links { display: flex; gap: 20px; }
.foot-links a { color: var(--muted); text-decoration: none; }
.foot-links a:hover { color: var(--ink); }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; z-index: var(--z-modal);
  background: rgba(17, 18, 20, 0.5);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--card); border: 1px solid var(--rule); border-radius: 18px;
  max-width: 560px; width: 100%; padding: clamp(24px, 4vw, 36px);
  position: relative; max-height: 90svh; overflow: auto;
}
.modal-close {
  position: absolute; top: 14px; right: 14px;
  width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid var(--rule); background: var(--paper); cursor: pointer;
  font-size: 14px; color: var(--muted);
}
.modal-close:hover { color: var(--ink); border-color: var(--ink); }
.modal h3 { font-size: 24px; margin: 6px 0 12px; padding-right: 40px; }
.modal p { color: var(--muted); font-size: 14px; }
.stack-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.stack-chips span {
  font-family: var(--font-mono); font-size: 11px;
  border: 1px solid var(--rule); border-radius: 6px; padding: 3px 8px;
}
.meta-label { font-family: var(--font-mono); font-size: 11px; color: var(--muted); text-transform: uppercase; }

/* Toast */
.toast {
  position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: var(--z-toast);
  background: var(--ink); color: #fff; font-size: 13px;
  border-radius: 12px; padding: 12px 18px;
  transform: translateY(16px); opacity: 0; pointer-events: none;
  transition: transform 200ms ease-out, opacity 200ms ease-out;
  max-width: min(420px, calc(100vw - 32px));
}
.toast.show { transform: none; opacity: 1; }

/* Mobile nav */
.menu-btn {
  display: none; border: 1px solid var(--rule); background: var(--card);
  border-radius: 8px; width: 38px; height: 38px; cursor: pointer;
  align-items: center; justify-content: center;
}
.mobile-menu { display: none; border-top: 1px solid var(--rule); padding: 8px 24px 16px; }
.mobile-menu.open { display: grid; gap: 4px; }
.mobile-menu a { padding: 10px 0; color: var(--ink); text-decoration: none; font-weight: 600; font-size: 14px; border-bottom: 1px solid var(--rule); }
.mobile-menu a:last-child { border-bottom: 0; }
@media (max-width: 860px) {
  .nav-links, .nav-cta .btn { display: none; }
  .menu-btn { display: inline-flex; }
}