/* ============================================================
   Christofer Arce — Personal Site
   ============================================================ */

:root {
  /* Surfaces */
  --paper: #ffffff;
  --paper-2: #f6f7f9;
  --paper-3: #eceff3;
  /* Ink */
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --ink-4: #94a3b8;
  --line: #e4e8ee;
  --line-2: #d6dbe3;
  /* Accent — teal */
  --accent: #0d9488;
  --accent-ink: #0f766e;
  --accent-soft: #ecfdf5;
  --on-accent: #ffffff;
  /* System */
  --maxw: 1180px;
  --pad: clamp(20px, 5vw, 44px);
  --radius: 16px;
  /* Type */
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-serif: "Instrument Serif", Georgia, serif;
  --font-body: "Instrument Sans", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.62;
  font-feature-settings: "ss01";
  overflow-x: hidden;
}

::selection { background: var(--accent); color: var(--on-accent); }

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--pad); }

section { position: relative; }
.section { padding-block: clamp(76px, 11vw, 148px); }
.section--tight { padding-block: clamp(54px, 7vw, 92px); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: var(--accent);
  display: inline-block;
}

h1, h2, h3 { font-family: var(--font-display); color: var(--ink); font-weight: 600; letter-spacing: -0.02em; margin: 0; }

.section-head {
  font-size: clamp(30px, 4.4vw, 50px);
  line-height: 1.02;
  letter-spacing: -0.03em;
}
.section-head .dot { color: var(--accent); }
.ital { font-family: var(--font-serif); font-weight: 400; font-style: italic; letter-spacing: -0.01em; }

.lead {
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.42;
  color: var(--ink);
  letter-spacing: -0.015em;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-body); font-size: 15px; font-weight: 600;
  padding: 13px 20px; border-radius: 999px;
  border: 1px solid transparent; cursor: pointer;
  transition: transform .25s cubic-bezier(.2,.7,.3,1), background .25s, border-color .25s, color .25s;
}
.btn .arr { transition: transform .3s cubic-bezier(.2,.7,.3,1); }
.btn:hover .arr { transform: translateX(4px); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: var(--accent-ink); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--ink); transform: translateY(-1px); }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.is-stuck { border-bottom-color: var(--line); background: color-mix(in srgb, var(--paper) 90%, transparent); }
.nav__in { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.monogram {
  width: 36px; height: 36px; border-radius: 9px;
  background: var(--ink); color: #fff;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: 15px; letter-spacing: -0.02em;
  overflow: visible;
}
.brand__name { font-family: var(--font-display); font-weight: 600; color: var(--ink); letter-spacing: -0.01em; font-size: 16px; }
.brand__name span { color: var(--ink-4); font-weight: 500; }
.nav__links { display: flex; align-items: center; gap: 30px; }
.nav__links a { font-size: 15px; color: var(--ink-2); font-weight: 500; transition: color .2s; }
.nav__links a:hover { color: var(--ink); }
.nav__cta { font-size: 14px; padding: 9px 16px; }

/* ---------- Hero ---------- */
.hero { padding-top: clamp(46px, 7vw, 92px); padding-bottom: clamp(40px, 6vw, 76px); }
.hero__grid { display: grid; grid-template-columns: 1.35fr 0.9fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
.hero__tags { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-bottom: 26px; }
.hero__tags .eyebrow { color: var(--ink-3); }
.hero__tags .eyebrow::before { background: var(--ink-4); }
.hero h1 {
  font-size: clamp(54px, 9.4vw, 118px);
  line-height: 0.92;
  letter-spacing: -0.045em;
  margin-bottom: 26px;
}
.hero h1 .ital { display: inline-block; color: var(--ink); }
.hero h1 .pin { color: var(--accent); }
.hero__lead { max-width: 36ch; margin-bottom: 30px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.portrait {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  border-radius: 22px;
  overflow: hidden;
}
.portrait__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.portrait__cap {
  position: absolute; left: 14px; bottom: 14px; z-index: 3;
  background: color-mix(in srgb, var(--ink) 84%, transparent);
  color: #fff; backdrop-filter: blur(6px);
  padding: 9px 14px; border-radius: 11px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}
.portrait__cap .dotpulse { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74,222,128,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(74,222,128,.5);} 70% { box-shadow: 0 0 0 8px rgba(74,222,128,0);} 100% { box-shadow:0 0 0 0 rgba(74,222,128,0);} }

/* ---------- Logos strip ---------- */
.logos { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logos__in { display: flex; align-items: center; gap: clamp(20px, 5vw, 60px); flex-wrap: wrap; padding-block: 30px; }
.logos__label { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-4); white-space: nowrap; }
.logos__set { display: flex; align-items: center; gap: clamp(22px, 4vw, 48px); flex-wrap: wrap; }
.wordmark { font-family: var(--font-display); font-weight: 600; font-size: clamp(16px, 2vw, 20px); letter-spacing: -0.01em; color: var(--ink-3); transition: color .25s; }
.wordmark:hover { color: var(--ink); }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(30px, 6vw, 80px); }
.about__statement { font-family: var(--font-serif); font-style: italic; font-size: clamp(27px, 3.6vw, 42px); line-height: 1.16; color: var(--ink); letter-spacing: -0.01em; }
.about__statement em { font-style: italic; color: var(--accent-ink); }
.about__body p { margin: 0 0 20px; max-width: 56ch; color: var(--ink-2); }
.about__body p:last-child { margin-bottom: 0; }
.about__body strong { color: var(--ink); font-weight: 600; }

/* ---------- Stats ---------- */
.stats { background: var(--paper-2); border-block: 1px solid var(--line); }
.stats__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 3vw, 40px); }
.stat__num { font-family: var(--font-display); font-weight: 600; font-size: clamp(40px, 5.4vw, 64px); line-height: 1; letter-spacing: -0.04em; color: var(--ink); }
.stat__num .u { color: var(--accent); }
.stat__label { margin-top: 12px; font-size: 15px; color: var(--ink-2); line-height: 1.4; }
.stat__sub { margin-top: 4px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-4); }

/* ---------- Work ---------- */
.work__head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: clamp(34px, 5vw, 60px); flex-wrap: wrap; }
.work__head p { max-width: 30ch; color: var(--ink-3); font-size: 16px; margin: 0; }

.worklist { border-top: 1px solid var(--line); }
.workrow {
  display: grid; grid-template-columns: 54px 1.5fr 1.1fr auto;
  gap: clamp(16px, 3vw, 40px); align-items: start;
  padding-block: clamp(28px, 3.4vw, 44px);
  border-bottom: 1px solid var(--line);
  position: relative; transition: background .3s;
}
.workrow::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0; background: var(--accent); transition: width .5s cubic-bezier(.2,.7,.3,1); }
.workrow:hover::after { width: 100%; }
.workrow:hover .workrow__title { color: var(--accent-ink); }
.workrow__idx { font-family: var(--font-mono); font-size: 13px; color: var(--ink-4); padding-top: 6px; }
.workrow__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(23px, 2.7vw, 31px); letter-spacing: -0.025em; color: var(--ink); line-height: 1.06; transition: color .25s; }
.workrow__meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.chip { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-3); border: 1px solid var(--line-2); border-radius: 999px; padding: 4px 11px; }
.chip--accent { color: var(--accent-ink); border-color: color-mix(in srgb, var(--accent) 35%, transparent); background: var(--accent-soft); }
.workrow__desc { color: var(--ink-2); font-size: 16px; line-height: 1.5; padding-top: 4px; }
.workrow__co { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; padding-top: 8px; }
.workrow__co .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

/* ---------- Markets ---------- */
.markets { background: var(--ink); color: #cdd5e3; }
.markets .section-head { color: #fff; }
.markets .eyebrow { color: #5eead4; }
.markets .eyebrow::before { background: #2dd4bf; }
.markets__intro { max-width: 46ch; color: #94a3b8; font-size: clamp(17px,2vw,20px); margin: 18px 0 clamp(40px,5vw,64px); }
.markets__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.09); border-radius: 16px; overflow: hidden; }
.market { background: var(--ink); padding: clamp(22px,2.6vw,32px) clamp(20px,2.4vw,28px); display: flex; flex-direction: column; gap: 10px; min-height: 200px; transition: background .3s; }
.market:hover { background: #161f37; }
.market__code { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.1em; color: #2dd4bf; }
.market__flag { font-size: 26px; line-height: 1; }
.market__name { font-family: var(--font-display); font-weight: 600; font-size: clamp(20px,2.3vw,26px); color: #fff; letter-spacing: -0.02em; }
.market__note { font-size: 14px; color: #94a3b8; line-height: 1.45; }
.market__co { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.05em; color: rgba(255,255,255,.3); margin-top: auto; padding-top: 10px; border-top: 1px solid rgba(255,255,255,.08); }

/* ---------- Beyond ---------- */
.beyond__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.beyond__body .lead { margin-bottom: 22px; }
.beyond__body p { color: var(--ink-2); max-width: 52ch; margin: 0 0 18px; }
.beyond__media { position: relative; aspect-ratio: 5/4; border-radius: 20px; overflow: hidden; background: #f0f5fa; }
.beyond__pills { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 8px; }
.pill { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--ink-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 8px 15px; }
.pill .ic { font-size: 15px; }

/* ---------- Contact ---------- */
.contact { background: var(--ink); color: #cdd5e3; }
.contact__grid { display: grid; grid-template-columns: 1fr auto; gap: clamp(30px,5vw,60px); align-items: end; }
.contact .eyebrow { color: #5eead4; }
.contact .eyebrow::before { background: #2dd4bf; }
.contact__big { font-family: var(--font-display); font-weight: 600; color: #fff; font-size: clamp(40px, 7vw, 96px); line-height: 0.95; letter-spacing: -0.04em; margin: 22px 0 0; }
.contact__big .ital { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: #5eead4; }
.contact__sub { color: #94a3b8; margin-top: 24px; max-width: 40ch; }
.contact__actions { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }
.contact .btn-primary { background: #fff; color: var(--ink); }
.contact .btn-primary:hover { background: var(--accent); color: #fff; }
.contact .btn-ghost { border-color: rgba(255,255,255,.22); color: #fff; }
.contact .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.contact__avail { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; color: #cbd5e1; display: inline-flex; align-items: center; gap: 9px; }
.contact__avail .dotpulse { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 0 rgba(74,222,128,.6); animation: pulse 2.4s infinite; }

/* ---------- Footer ---------- */
.foot { background: var(--ink); border-top: 1px solid rgba(255,255,255,.08); }
.foot__in { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-block: 30px; }
.foot__brand { display: inline-flex; align-items: center; gap: 11px; color: #fff; font-family: var(--font-display); font-weight: 600; }
.foot__meta { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: #64748b; display: flex; gap: 20px; flex-wrap: wrap; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .8s cubic-bezier(.2,.7,.3,1), transform .8s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .07s; }
.reveal[data-d="2"] { transition-delay: .14s; }
.reveal[data-d="3"] { transition-delay: .21s; }
.reveal[data-d="4"] { transition-delay: .28s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: 1fr; }
  .portrait { max-width: 360px; }
  .about__grid { grid-template-columns: 1fr; gap: 28px; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); gap: 30px 24px; }
  .workrow { grid-template-columns: 40px 1fr; }
  .workrow__co { grid-column: 2; padding-top: 0; }
  .workrow__desc { grid-column: 2; }
  .workrow__meta { grid-column: 2; }
  .markets__grid { grid-template-columns: repeat(2, 1fr); }
  .beyond__grid { grid-template-columns: 1fr; }
  .beyond__media { max-width: 460px; }
  .contact__grid { grid-template-columns: 1fr; align-items: start; }
}
@media (max-width: 620px) {
  body { font-size: 17px; }
  .nav__links { display: none; }
  .stats__grid { grid-template-columns: 1fr 1fr; }
  .markets__grid { grid-template-columns: 1fr; }
  .workrow { grid-template-columns: 1fr; gap: 10px; }
  .workrow__idx { display: none; }
  .hero__actions { width: 100%; }
}