/* ============================================================
   Jordán Villón · Portfolio — Design System (Figma-style)
   Dark, crisp, premium. Tokens → layout → components.
   ============================================================ */

:root {
  --bg: #0a0c12;
  --bg-2: #0d1019;
  --surface: #12151f;
  --surface-2: #1a1e2b;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef0f6;
  --muted: #9aa4ba;
  --faint: #6b7488;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --green: #34d399;
  --amber: #fbbf24;
  --rose: #fb7185;
  --grad: linear-gradient(120deg, #22d3ee 0%, #8b5cf6 55%, #fb7185 100%);
  --radius: 16px;
  --radius-s: 10px;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", Consolas, monospace;
  --container: 1180px;
  --nav-h: 68px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: rgba(34, 211, 238, 0.3); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10, 12, 18, 0.78);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--container); margin: 0 auto; height: 100%;
  padding: 0 24px; display: flex; align-items: center; justify-content: space-between;
}
.brand { font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem; letter-spacing: 0.5px; }
.brand b { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--muted); font-size: 0.92rem; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

/* Selector de idioma */
.lang-switch {
  display: inline-flex; align-items: center; gap: 2px;
  border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 2px; margin-left: 22px; flex: 0 0 auto;
}
.lang-switch button {
  background: none; border: 0; border-radius: 999px; cursor: pointer;
  color: var(--muted); font-family: var(--font-mono); font-size: 0.72rem;
  font-weight: 700; padding: 4px 9px; transition: all 0.2s; line-height: 1;
}
.lang-switch button:hover { color: var(--text); }
.lang-switch button.active { background: rgba(34, 211, 238, 0.14); color: var(--cyan); }
@media (max-width: 899px) {
  .nav-inner { gap: 12px; }
  .lang-switch { margin-left: auto; order: 3; }
  .nav-burger { order: 4; }
}
.nav-burger { display: none; background: none; border: 0; color: var(--text); font-size: 1.4rem; cursor: pointer; }
@media (max-width: 899px) {
  .nav-burger { display: block; }
  .nav-links {
    display: none; position: absolute; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; gap: 0; background: rgba(10, 12, 18, 0.97);
    border-bottom: 1px solid var(--border); padding: 8px 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 24px; width: 100%; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 20px; border-radius: var(--radius-s);
  font-weight: 600; font-size: 0.92rem; transition: all 0.2s; cursor: pointer;
  border: 1px solid transparent; white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(120deg, #0891b2, #7c3aed);
  color: #fff; box-shadow: 0 8px 24px rgba(124, 58, 237, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(124, 58, 237, 0.5); }
.btn-ghost { border-color: var(--border-strong); color: var(--text); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-sm { padding: 7px 14px; font-size: 0.85rem; }

/* ---------- Hero ---------- */
.hero { padding: calc(var(--nav-h) + 64px) 0 72px; position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 15% 10%, rgba(34, 211, 238, 0.12), transparent 65%),
    radial-gradient(700px 400px at 85% 20%, rgba(139, 92, 246, 0.14), transparent 65%),
    radial-gradient(500px 300px at 50% 100%, rgba(251, 113, 133, 0.06), transparent 60%);
}
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; position: relative; }
@media (max-width: 960px) { .hero-grid { grid-template-columns: 1fr; gap: 40px; } }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--border-strong); background: rgba(255, 255, 255, 0.03);
  font-size: 0.82rem; color: var(--muted); font-weight: 500;
}
.pill .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px var(--green); }
.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.2rem);
  line-height: 1.08; letter-spacing: -0.02em; margin: 22px 0 20px; font-weight: 800;
}
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { color: var(--muted); font-size: 1.08rem; max-width: 560px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.hero-meta { margin-top: 34px; display: flex; gap: 8px; flex-wrap: wrap; }
.hero-meta .k {
  font-family: var(--font-mono); font-size: 0.76rem; color: var(--faint);
  border: 1px solid var(--border); padding: 4px 10px; border-radius: 8px;
}

/* Hero visual (mock window) */
.window {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
}
.window-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.window-bar span { width: 10px; height: 10px; border-radius: 50%; }
.window-bar .r { background: #ff5f57; } .window-bar .y { background: #febc2e; } .window-bar .g { background: #28c840; }
.window-bar em { margin-left: 10px; font-style: normal; font-family: var(--font-mono); font-size: 0.74rem; color: var(--faint); }
.window-body { position: relative; }
.window-body img { width: 100%; height: 260px; object-fit: cover; }
.chip {
  position: absolute; display: flex; align-items: center; gap: 6px;
  background: rgba(10, 12, 18, 0.82); backdrop-filter: blur(8px);
  border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 8px 12px; font-size: 0.8rem;
}
.chip b { font-family: var(--font-mono); font-weight: 700; }
.chip .c1 { color: var(--cyan); } .chip .c2 { color: var(--violet); } .chip .c3 { color: var(--green); }
.chip-a { top: 14px; left: 14px; }
.chip-b { top: 14px; right: 14px; }
.chip-c { bottom: 14px; left: 14px; }
.chip-d { bottom: 14px; right: 14px; }

/* ---------- Stats ---------- */
.stats { border-block: 1px solid var(--border); background: var(--bg-2); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
@media (max-width: 800px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
.stat { padding: 30px 24px; text-align: center; border-right: 1px solid var(--border); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-size: 2rem; font-weight: 800; letter-spacing: -0.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { font-size: 0.86rem; color: var(--muted); }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-2); border-block: 1px solid var(--border); }
.eyebrow { font-family: var(--font-mono); font-size: 0.78rem; color: var(--cyan); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.section h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); letter-spacing: -0.02em; margin-bottom: 12px; }
.section-lead { color: var(--muted); max-width: 640px; margin-bottom: 44px; }

/* ---------- Cards (features / areas) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .grid-3 { grid-template-columns: 1fr; } }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 26px; transition: all 0.25s;
  display: flex; flex-direction: column; gap: 12px;
}
.card:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4); }
.card .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 1.25rem; background: rgba(34, 211, 238, 0.1); border: 1px solid rgba(34, 211, 238, 0.25); }
.card h3 { font-size: 1.08rem; }
.card p { color: var(--muted); font-size: 0.93rem; flex: 1; }
.card a.more { font-size: 0.88rem; font-weight: 600; color: var(--cyan); }

/* ---------- Project cards ---------- */
.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 960px) { .proj-grid { grid-template-columns: 1fr; } }
.proj {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; transition: all 0.25s; display: flex; flex-direction: column;
}
.proj:hover { transform: translateY(-4px); border-color: var(--border-strong); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4); }
.proj .cover { position: relative; height: 190px; overflow: hidden; }
.proj .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.proj:hover .cover img { transform: scale(1.05); }
.proj .cover .cov {
  width: 100%; height: 100%; display: grid; place-items: center;
  background: linear-gradient(135deg, #14233a, #1c1430 60%, #2a1230);
  font-family: var(--font-mono); font-size: 1.5rem; font-weight: 800; color: rgba(255, 255, 255, 0.55);
}
.proj .body { padding: 20px 22px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.proj .tags { display: flex; gap: 6px; flex-wrap: wrap; }
.proj .tags i { font-style: normal; font-family: var(--font-mono); font-size: 0.7rem; color: var(--cyan); border: 1px solid rgba(34, 211, 238, 0.3); background: rgba(34, 211, 238, 0.08); padding: 3px 9px; border-radius: 999px; }
.proj h3 { font-size: 1.06rem; }
.proj p { color: var(--muted); font-size: 0.9rem; flex: 1; }
.proj .metrics { display: flex; gap: 14px; flex-wrap: wrap; border-top: 1px solid var(--border); padding-top: 12px; }
.proj .metrics span { font-size: 0.78rem; color: var(--faint); }
.proj .metrics b { color: var(--green); font-family: var(--font-mono); font-weight: 700; display: block; font-size: 0.95rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 960px) { .steps { grid-template-columns: 1fr; } }
.step { position: relative; padding: 24px 24px 24px 64px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 20px; top: 22px;
  font-family: var(--font-mono); font-weight: 800; font-size: 1.1rem;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.step h3 { font-size: 1rem; margin-bottom: 6px; }
.step p { color: var(--muted); font-size: 0.9rem; }

/* ---------- Quote band ---------- */
.quote { padding: 72px 0; position: relative; }
.quote blockquote {
  max-width: 820px; margin: 0 auto; text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; letter-spacing: -0.01em; line-height: 1.35;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.quote cite { display: block; margin-top: 18px; font-style: normal; color: var(--muted); font-size: 0.92rem; }

/* ---------- CTA band ---------- */
.cta-band { padding: 60px 0 80px; }
.cta-card {
  background: linear-gradient(120deg, rgba(34, 211, 238, 0.08), rgba(139, 92, 246, 0.1));
  border: 1px solid var(--border-strong); border-radius: 22px;
  padding: 48px 40px; text-align: center; position: relative; overflow: hidden;
}
.cta-card h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin-bottom: 10px; }
.cta-card p { color: var(--muted); margin-bottom: 26px; }
.cta-card .row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 40px 0; background: var(--bg-2); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer .credits { color: var(--faint); font-size: 0.8rem; }
.footer .social { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.footer .social a {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--muted); font-size: 0.9rem; transition: color 0.2s;
}
.footer .social a:hover { color: var(--cyan); }
.footer .social svg { flex: 0 0 auto; }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: calc(var(--nav-h) + 56px) 0 36px; border-bottom: 1px solid var(--border); background: var(--bg-2); }
.page-hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); letter-spacing: -0.02em; }
.page-hero p { color: var(--muted); max-width: 700px; margin-top: 10px; }

/* ---------- Case study sections ---------- */
.cs { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: center; padding: 72px 0; }
@media (max-width: 960px) { .cs { grid-template-columns: 1fr; } }
.cs.flip .cs-media { order: 2; }
@media (max-width: 960px) { .cs.flip .cs-media { order: 0; } }
.cs-media img { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); width: 100%; object-fit: cover; max-height: 340px; }
.cs h3 { font-size: 1.5rem; margin: 8px 0 12px; }
.cs .cs-problem { color: var(--muted); font-size: 0.95rem; margin-bottom: 14px; }
.cs ul.clean { list-style: none; margin: 10px 0 16px; display: grid; gap: 8px; }
.cs ul.clean li { font-size: 0.92rem; color: var(--text); padding-left: 22px; position: relative; }
.cs ul.clean li::before { content: "→"; position: absolute; left: 0; color: var(--cyan); font-family: var(--font-mono); }

/* Results table */
.rtable { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin: 8px 0 18px; }
.rtable th { text-align: left; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); padding: 8px 12px; border-bottom: 1px solid var(--border-strong); }
.rtable td { padding: 10px 12px; border-bottom: 1px solid var(--border); color: var(--muted); }
.rtable td:first-child { color: var(--text); }
.rtable tr:last-child td { border-bottom: 0; }
.rtable b { color: var(--green); font-family: var(--font-mono); }

/* Gallery (lo que detecta) */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin: 18px 0 8px; }
@media (max-width: 800px) { .gallery { grid-template-columns: repeat(2, 1fr); } }
.gal { border-radius: var(--radius-s); overflow: hidden; border: 1px solid var(--border); position: relative; }
.gal img { width: 100%; height: 150px; object-fit: cover; }
.gal figcaption { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(10, 12, 18, 0.78); backdrop-filter: blur(6px); font-size: 0.74rem; padding: 6px 10px; font-family: var(--font-mono); }
.gal .ok { color: var(--green); } .gal .bad { color: var(--rose); }

/* Pill row */
.pills { display: flex; gap: 8px; flex-wrap: wrap; margin: 6px 0 18px; }
.pills i { font-style: normal; font-size: 0.78rem; font-family: var(--font-mono); color: var(--muted); border: 1px solid var(--border-strong); padding: 5px 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.03); }

/* Publication cards */
.pub { display: flex; gap: 18px; align-items: flex-start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; transition: border-color 0.2s; }
.pub:hover { border-color: var(--border-strong); }
.pub .tag { font-family: var(--font-mono); font-size: 0.7rem; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.pub .tag.wp { color: var(--amber); border: 1px solid rgba(251, 191, 36, 0.35); background: rgba(251, 191, 36, 0.08); }
.pub .tag.talk { color: var(--violet); border: 1px solid rgba(139, 92, 246, 0.4); background: rgba(139, 92, 246, 0.1); }
.pub .tag.post { color: var(--cyan); border: 1px solid rgba(34, 211, 238, 0.35); background: rgba(34, 211, 238, 0.08); }
.pub h3 { font-size: 1.02rem; margin-bottom: 4px; }
.pub p { color: var(--muted); font-size: 0.9rem; }

/* 404 */
.notfound { padding: calc(var(--nav-h) + 100px) 0 140px; text-align: center; }
.notfound .code { font-family: var(--font-mono); font-size: 6rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.notfound p { color: var(--muted); margin: 14px 0 26px; }

/* ---------- Contact form ---------- */
.contact-form { display: grid; gap: 18px; margin-top: 8px; }
.contact-form label { display: grid; gap: 7px; font-size: 0.88rem; font-weight: 600; color: var(--text); }
.contact-form .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 640px) { .contact-form .form-row { grid-template-columns: 1fr; } }
.contact-form input,
.contact-form select,
.contact-form textarea {
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius-s);
  color: var(--text); font-family: var(--font-sans); font-size: 0.95rem; padding: 12px 14px;
  outline: none; transition: border-color 0.2s, box-shadow 0.2s; width: 100%;
}
.contact-form select { appearance: none; }
.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}
.contact-form textarea { resize: vertical; }
.contact-form button { justify-self: start; }
.contact-form button:disabled { opacity: 0.6; cursor: wait; transform: none; box-shadow: none; }
.form-note { font-size: 0.88rem; font-family: var(--font-mono); color: var(--green); }
.form-note.muted { color: var(--muted); }
.form-note.err { color: var(--rose); }
.form-note a { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; overflow: hidden; }

/* ---------- Contact layout ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; margin-top: 30px; align-items: start; }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; gap: 28px; } }
.contact-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; display: grid; gap: 4px; }
.contact-card h3 {
  font-size: 0.72rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--faint); font-family: var(--font-mono); margin: 0 0 10px; font-weight: 600;
}
.contact-line {
  display: flex; align-items: center; gap: 14px; width: 100%;
  padding: 12px 10px; border: 0; border-radius: var(--radius-s);
  background: none; color: var(--text); cursor: pointer; text-align: left;
  font-family: var(--font-sans); transition: background 0.2s;
}
.contact-line:hover { background: rgba(255, 255, 255, 0.045); }
.contact-line .ci {
  flex: 0 0 40px; width: 40px; height: 40px; display: grid; place-items: center;
  background: var(--surface-2); border: 1px solid var(--border-strong);
  border-radius: 10px; font-size: 1.05rem;
}
.contact-line .ct { display: grid; min-width: 0; }
.contact-line .ct b { font-size: 0.92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.contact-line .ct small { color: var(--faint); font-size: 0.78rem; }
.contact-line .cx {
  margin-left: auto; font-family: var(--font-mono); font-size: 0.72rem; color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.35); background: rgba(34, 211, 238, 0.08);
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}
.contact-meta { display: grid; gap: 10px; margin-top: 18px; font-size: 0.85rem; color: var(--muted); }
.contact-meta span { display: flex; align-items: center; gap: 10px; }

/* Anchors: que no queden tapados por el nav fijo */
section[id], [id^="cs-"] { scroll-margin-top: calc(var(--nav-h) + 16px); }

/* ---------- Responsive tweaks ---------- */
@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .hero { padding-top: calc(var(--nav-h) + 44px); }
}