/* rafaelromero.dev */
:root {
  --bg: #0b0f14;
  --bg-2: #11171f;
  --line: #1f2a36;
  --ink: #e8eef5;
  --muted: #93a1b2;
  --accent: #5eead4;
  --accent-2: #a78bfa;
  --r: 16px;
  --wrap: 1120px;
  --font-d: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-b: "Inter", ui-sans-serif, system-ui, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 1.0625rem/1.65 var(--font-b); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: var(--font-d); line-height: 1.1; letter-spacing: -0.02em; margin: 0 0 .6em; }
h1 { font-size: clamp(2.3rem, 6vw, 4.2rem); }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; background: var(--accent); color: #000; padding: 8px 12px; z-index: 99; }
.eyebrow { color: var(--accent); font: 600 .8rem/1 var(--font-b); letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem; }
.lead { font-size: 1.2rem; color: #c6d1dd; max-width: 46rem; }
.note { color: var(--muted); margin-top: 1.5rem; }
.tags { color: var(--muted); font-size: .9rem; }
.link { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(94,234,212,.35); }
.link:hover { border-color: var(--accent); }

/* Botones */
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.3rem; border-radius: 999px; border: 0; background: var(--accent); color: #04211d; font: 600 1rem var(--font-b); text-decoration: none; cursor: pointer; transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px -8px rgba(94,234,212,.6); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn--sm { padding: .5rem 1rem; font-size: .9rem; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(11,15,20,.8); backdrop-filter: blur(10px); border-bottom: 1px solid transparent; transition: border-color .2s; }
.nav.is-scrolled { border-color: var(--line); }
.nav__in { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-family: var(--font-d); font-weight: 600; }
.brand__mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #061214; font-size: .85rem; }
.brand__name span { color: var(--muted); }
.nav__links { display: flex; align-items: center; gap: 1.4rem; }
.nav__links a:not(.btn) { color: var(--muted); text-decoration: none; font-size: .95rem; }
.nav__links a:not(.btn):hover { color: var(--ink); }
@media (max-width: 760px) { .nav__links a:not(.btn) { display: none; } }

/* Hero */
.hero { padding: clamp(3rem, 9vw, 7rem) 0 3rem; background: radial-gradient(60% 50% at 80% 0%, rgba(167,139,250,.18), transparent 70%), radial-gradient(50% 40% at 10% 10%, rgba(94,234,212,.12), transparent 70%); }
.hero__cta { display: flex; flex-wrap: wrap; gap: .8rem; margin: 2rem 0; }
.proof { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem 2rem; color: var(--muted); font-size: .95rem; }
.proof strong { color: var(--ink); }

/* Diagrama */
.flow { margin: 3.5rem 0 0; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-2); }
.flow__steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; counter-reset: s; }
.flow__steps li { position: relative; padding: 1rem; border-radius: 12px; background: #0e141b; border: 1px solid var(--line); }
.flow__steps li:not(:last-child)::after { content: "→"; position: absolute; right: -0.85rem; top: 50%; transform: translateY(-50%); color: var(--accent); }
.flow__steps b { display: block; font-family: var(--font-d); }
.flow__steps small { color: var(--muted); }
.flow__k { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: rgba(94,234,212,.15); color: var(--accent); font-size: .75rem; margin-bottom: .4rem; }
.flow figcaption { color: var(--muted); font-size: .9rem; margin-top: 1rem; }
@media (max-width: 860px) {
  .flow__steps { grid-template-columns: 1fr; }
  .flow__steps li:not(:last-child)::after { content: "↓"; right: 50%; top: auto; bottom: -1.05rem; transform: translateX(50%); }
}

/* Secciones */
.sec { padding: clamp(3.5rem, 8vw, 6rem) 0; }
.sec--alt { background: var(--bg-2); border-block: 1px solid var(--line); }
.grid { display: grid; gap: 1.2rem; }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.card { padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--r); background: linear-gradient(180deg, #121922, #0e141b); transition: border-color .2s, transform .2s; }
.card:hover { border-color: rgba(94,234,212,.4); transform: translateY(-2px); }
.card p:not(.tags) { color: #c6d1dd; }

/* Proyectos */
.case { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2rem; align-items: center; padding: 2rem 0; border-bottom: 1px solid var(--line); }
.case:nth-of-type(even) .case__txt { order: 2; }
.case__txt p:not(.tags) { color: #c6d1dd; }
.case__media { aspect-ratio: 16/9; border-radius: var(--r); overflow: hidden; background: #000; border: 1px solid var(--line); }
.case__media--soon { display: grid; place-items: center; text-align: center; color: var(--muted); background: repeating-linear-gradient(45deg, #0e141b 0 12px, #101820 12px 24px); }
.sub { margin-top: 3rem; }
.vids figure { margin: 0; }
.vids .yt { aspect-ratio: 16/9; border-radius: 12px; border: 1px solid var(--line); }
.vids figcaption { color: var(--muted); font-size: .9rem; margin-top: .5rem; }
@media (max-width: 860px) { .case { grid-template-columns: 1fr; } .case:nth-of-type(even) .case__txt { order: 0; } }

/* Vídeo de YouTube que solo carga al pulsar (más rápido y sin cookies hasta entonces) */
.yt { position: relative; display: block; width: 100%; height: 100%; padding: 0; border: 0; cursor: pointer; background: #000 center/cover no-repeat; }
.yt::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,.5)); }
.yt::after { content: ""; position: absolute; left: 50%; top: 50%; width: 68px; height: 48px; transform: translate(-50%, -50%); border-radius: 14px; background: rgba(0,0,0,.7) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%235eead4' d='M8 5v14l11-7z'/%3E%3C/svg%3E") center/26px no-repeat; transition: background-color .2s; }
.yt:hover::after { background-color: rgba(0,0,0,.9); }
.yt iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Pasos */
.steps { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.2rem; counter-reset: p; }
.steps li { counter-increment: p; padding: 1.4rem; border-left: 2px solid var(--accent); background: var(--bg-2); border-radius: 0 12px 12px 0; }
.steps li::before { content: "0" counter(p); display: block; color: var(--accent); font: 700 .85rem var(--font-d); margin-bottom: .4rem; }
.steps b { display: block; font-family: var(--font-d); font-size: 1.15rem; }
.steps span { color: var(--muted); }

/* Sobre mí */
.about { display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; align-items: start; }
.about p { color: #c6d1dd; }
.links { display: flex; gap: 1.2rem; }
.stack { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.stack li { padding: .35rem .75rem; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); font-size: .85rem; background: #0e141b; }
@media (max-width: 860px) { .about { grid-template-columns: 1fr; } }

/* Contacto */
.contact { display: grid; grid-template-columns: 1fr 1.2fr; gap: 3rem; }
.contact p { color: #c6d1dd; }
.form { display: grid; gap: 1rem; padding: 1.6rem; border: 1px solid var(--line); border-radius: var(--r); background: var(--bg-2); }
.form label { display: grid; gap: .35rem; font-size: .9rem; color: var(--muted); }
.form input, .form select, .form textarea { width: 100%; padding: .75rem .9rem; border-radius: 10px; border: 1px solid var(--line); background: #0b1016; color: var(--ink); font: inherit; }
.form input:focus, .form select:focus, .form textarea:focus { outline: 2px solid rgba(94,234,212,.5); border-color: transparent; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form__status { margin: 0; min-height: 1.4em; font-size: .95rem; }
.form__status.is-ok { color: var(--accent); }
.form__status.is-error { color: #fca5a5; }
.form__legal { margin: 0; color: var(--muted); font-size: .8rem; }
.form.is-sending .btn { opacity: .6; pointer-events: none; }
.hp { position: absolute; left: -9999px; }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } .form__row { grid-template-columns: 1fr; } }

/* Pie */
.foot { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .9rem; }
.foot__in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }