/* ===== Variables ===== */
:root {
  --bg: #070b18;
  --bg-alt: #0b1126;
  --card: rgba(20, 28, 58, .72);
  --line: rgba(130, 150, 220, .18);
  --text: #f1f5f9;
  --muted: #9aa8c7;
  --teal: #5eead4;
  --indigo: #818cf8;
  --violet: #c084fc;
  --radius: 18px;
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", Consolas, "SF Mono", Menlo, monospace;
  --header-h: 68px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.3rem, 5.4vw, 4.1rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1em; }
[hidden] { display: none !important; }

.container { width: min(1160px, 100% - 40px); margin-inline: auto; position: relative; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--teal); color: #05231f; padding: 8px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }
.grad { background: linear-gradient(90deg, var(--teal), var(--indigo) 55%, var(--violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--teal); text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; font-weight: 700; margin-bottom: 16px; }
.eyebrow::before { content: ""; width: 28px; height: 2px; background: linear-gradient(90deg, var(--teal), transparent); }
.lead { color: var(--muted); font-size: 1.15rem; max-width: 58ch; }
.subhead { margin: 64px 0 24px; color: var(--muted); font-size: 1.1rem; font-weight: 600; display: flex; align-items: center; gap: 16px; }
.subhead::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line), transparent); }

/* ===== Botones ===== */
.btn { position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: 999px; border: 1px solid transparent; background: linear-gradient(90deg, var(--teal), var(--indigo)); color: #06121f; font: 700 1rem var(--font); text-decoration: none; cursor: pointer; transition: transform .2s, box-shadow .25s; box-shadow: 0 8px 28px -10px rgba(94, 234, 212, .55); }
.btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, .45) 50%, transparent 70%); transform: translateX(-120%); transition: transform .6s; }
.btn:hover::after, .btn:focus-visible::after { transform: translateX(120%); }
.btn:hover, .btn:focus-visible { transform: translateY(-2px); box-shadow: 0 16px 40px -10px rgba(129, 140, 248, .7); }
.btn:focus-visible { outline: 3px solid #fff; outline-offset: 2px; }
.btn--ghost { background: rgba(255, 255, 255, .03); color: var(--text); border-color: var(--line); box-shadow: none; backdrop-filter: blur(6px); }
.btn--ghost:hover, .btn--ghost:focus-visible { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(94, 234, 212, .12); }
.btn--small { padding: 9px 18px; font-size: .92rem; }
.btn--block { width: 100%; }
.btn--wa { background: #25d366; color: #05210f; box-shadow: 0 8px 28px -10px rgba(37, 211, 102, .6); }
.btn--wa:hover, .btn--wa:focus-visible { box-shadow: 0 16px 40px -8px rgba(37, 211, 102, .7); }

/* ===== Header ===== */
.header { position: sticky; top: 0; z-index: 50; background: rgba(7, 11, 24, .72); backdrop-filter: blur(14px) saturate(140%); border-bottom: 1px solid var(--line); }
.header__inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { filter: drop-shadow(0 0 12px rgba(94, 234, 212, .35)); }
.brand__text { font-weight: 800; font-size: 1.1rem; line-height: 1.1; display: flex; flex-direction: column; }
.brand__text small { font-weight: 500; font-size: .72rem; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a:not(.btn) { text-decoration: none; color: var(--muted); font-weight: 600; font-size: .95rem; transition: color .2s; }
.nav a:not(.btn):hover { color: var(--teal); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 10px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 4px 0; }

/* ===== Hero ===== */
.hero { position: relative; overflow: hidden; padding: clamp(60px, 9vw, 120px) 0 clamp(70px, 10vw, 130px); isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: url("../img/grid.svg"); -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse 80% 70% at 50% 35%, #000 20%, transparent 75%); }
.hero::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 140px; z-index: -1; background: linear-gradient(transparent, var(--bg)); }
.aurora { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.aurora span { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; animation: drift 18s ease-in-out infinite alternate; }
.aurora span:nth-child(1) { width: 560px; height: 560px; left: -140px; top: -120px; background: #14b8a6; }
.aurora span:nth-child(2) { width: 640px; height: 640px; right: -180px; top: -160px; background: #6366f1; animation-duration: 22s; }
.aurora span:nth-child(3) { width: 420px; height: 420px; left: 40%; bottom: -200px; background: #a855f7; opacity: .35; animation-duration: 26s; }
@keyframes drift { to { transform: translate(70px, 50px) scale(1.15); } }

.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: center; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 0; }

/* Ventana de código del hero */
.hero__visual { position: relative; perspective: 1200px; }
.window { background: linear-gradient(160deg, rgba(22, 31, 66, .92), rgba(10, 15, 34, .94)); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .8), 0 0 0 1px rgba(255, 255, 255, .03), 0 0 80px -20px rgba(129, 140, 248, .45); transform: rotateY(-8deg) rotateX(4deg); transition: transform .5s; overflow: hidden; }
.hero__visual:hover .window { transform: rotateY(0) rotateX(0); }
.window__bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: rgba(255, 255, 255, .03); }
.window__bar i { width: 11px; height: 11px; border-radius: 50%; background: #ff5f57; }
.window__bar i:nth-child(2) { background: #febc2e; }
.window__bar i:nth-child(3) { background: #28c840; }
.window__bar span { margin-left: 14px; flex: 1; text-align: center; font-size: .75rem; color: var(--muted); background: rgba(255, 255, 255, .05); border-radius: 8px; padding: 3px 10px; }
.window__code { margin: 0; padding: 22px 22px 26px; font: .88rem/1.75 var(--mono); color: #c7d2fe; overflow-x: auto; }
.window__code .k { color: #c084fc; }
.window__code .s { color: #5eead4; }
.window__code .p { color: #7dd3fc; }
.window__code .c { color: #64748b; }
.window__code .cursor { display: inline-block; width: 8px; height: 1.05em; background: var(--teal); vertical-align: -2px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.float { position: absolute; display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; font-size: .85rem; font-weight: 600; background: rgba(12, 18, 40, .9); border: 1px solid var(--line); box-shadow: 0 18px 40px -14px rgba(0, 0, 0, .8); backdrop-filter: blur(8px); animation: bob 6s ease-in-out infinite; }
.float b { color: var(--teal); }
.float--a { left: -26px; bottom: 34px; }
.float--b { right: -14px; top: -18px; animation-delay: -3s; }
@keyframes bob { 50% { transform: translateY(-12px); } }

/* ===== Secciones ===== */
.section { position: relative; padding: clamp(70px, 9vw, 120px) 0; }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); overflow: hidden; }
.section--alt::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 1px 1px, rgba(143, 163, 217, .16) 1px, transparent 0) 0 0 / 26px 26px; -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000, transparent 85%); mask-image: radial-gradient(ellipse 70% 80% at 50% 50%, #000, transparent 85%); pointer-events: none; }
#servicios::before { content: ""; position: absolute; width: 520px; height: 520px; right: -200px; top: 10%; background: radial-gradient(circle, rgba(129, 140, 248, .22), transparent 65%); pointer-events: none; }
.section__head { max-width: 760px; margin-bottom: 48px; }
.section__sub { color: var(--muted); }
.grid { display: grid; gap: 22px; }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

/* Tarjetas con brillo que sigue al ratón */
.card, .diff, .project, .quote, .form { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); backdrop-filter: blur(10px); transition: transform .3s, border-color .3s, box-shadow .3s; }
.card::before, .diff::before, .project::before, .quote::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 0%), rgba(94, 234, 212, .14), transparent 45%); opacity: 0; transition: opacity .3s; pointer-events: none; z-index: 0; }
.card:hover::before, .diff:hover::before, .project:hover::before, .quote:hover::before { opacity: 1; }
.card:hover, .diff:hover, .quote:hover { transform: translateY(-4px); border-color: rgba(94, 234, 212, .45); box-shadow: 0 24px 50px -24px rgba(94, 234, 212, .35); }
.card > *, .diff > *, .project > *, .quote > * { position: relative; z-index: 1; }

.card { padding: 30px; }
.card__icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, rgba(94, 234, 212, .22), rgba(129, 140, 248, .22)); border: 1px solid rgba(94, 234, 212, .3); color: var(--teal); font-size: 1.5rem; margin-bottom: 18px; box-shadow: 0 0 24px -6px rgba(94, 234, 212, .5); }
.card p { color: var(--muted); margin: 0; }

.diff { display: flex; gap: 20px; padding: 28px; }
.diff__n { font-size: 2.4rem; font-weight: 800; line-height: 1; background: linear-gradient(180deg, var(--teal), transparent 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.diff p { color: var(--muted); margin: 0; }

/* ===== Portfolio ===== */
.project { overflow: hidden; display: flex; flex-direction: column; }
.project:hover { transform: translateY(-8px); border-color: rgba(94, 234, 212, .5); box-shadow: 0 30px 60px -26px rgba(129, 140, 248, .5); }
.project__thumb { position: relative; height: 230px; display: grid; place-items: center; overflow: hidden; padding: 28px 28px 0; align-items: end; }
.project__thumb::before { content: ""; position: absolute; inset: 0; z-index: 0; background: radial-gradient(circle at 70% 20%, rgba(255, 255, 255, .22), transparent 55%); }
.project--albanil .project__thumb { background: linear-gradient(135deg, #2a1c14, #d9532b); }
.project--electricista .project__thumb { background: linear-gradient(135deg, #0a1230, #3ea6ff); }
.project--restaurante .project__thumb { background: linear-gradient(135deg, #1c1410, #ff5a36 90%, #ffb703); }

/* Mini navegador dibujado en CSS */
.mock { position: relative; z-index: 1; width: 100%; height: 100%; background: rgba(8, 12, 26, .94); border-radius: 12px 12px 0 0; border: 1px solid rgba(255, 255, 255, .16); border-bottom: 0; box-shadow: 0 -10px 40px -10px rgba(0, 0, 0, .6); transform: translateY(8px); transition: transform .4s; overflow: hidden; }
.project:hover .mock { transform: translateY(-6px); }
.mock__bar { display: flex; gap: 5px; padding: 9px 12px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.mock__bar i { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, .28); }
.mock__body { padding: 14px; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; align-items: center; }
.mock__body img { grid-row: span 3; border-radius: 12px; box-shadow: 0 8px 20px -6px rgba(0, 0, 0, .7); }
.mock__body b { height: 9px; border-radius: 5px; background: rgba(255, 255, 255, .8); }
.mock__body b:nth-of-type(2) { width: 70%; background: rgba(255, 255, 255, .4); }
.mock__body b:nth-of-type(3) { width: 45%; background: rgba(255, 255, 255, .22); }
.mock__row { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 8px; }
.mock__row u { height: 46px; border-radius: 8px; background: rgba(255, 255, 255, .12); }

.project__body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.project__body p { color: var(--muted); flex: 1; }
.tag { align-self: flex-start; font-size: .75rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--teal); background: rgba(94, 234, 212, .1); border: 1px solid rgba(94, 234, 212, .25); padding: 4px 11px; border-radius: 999px; margin-bottom: 12px; }

/* ===== Opiniones (ocultas de momento) ===== */
.quote { margin: 0; padding: 28px; display: flex; flex-direction: column; gap: 14px; }
.stars { color: #fbbf24; letter-spacing: 3px; }
.quote blockquote { margin: 0; color: var(--text); flex: 1; }
.quote figcaption { display: flex; flex-direction: column; font-size: .9rem; color: var(--muted); }
.quote figcaption strong { color: var(--text); }

/* ===== Contacto ===== */
#contacto { overflow: hidden; }
#contacto::before { content: ""; position: absolute; left: 50%; top: 0; width: 900px; height: 500px; transform: translateX(-50%); background: radial-gradient(ellipse at 50% 0, rgba(99, 102, 241, .28), transparent 65%); pointer-events: none; }
.contact { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 48px; align-items: start; }
.contact__buttons { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }
.form { padding: 30px; display: grid; gap: 16px; box-shadow: 0 40px 80px -40px rgba(0, 0, 0, .8), 0 0 60px -30px rgba(94, 234, 212, .4); }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: .92rem; }
.form input, .form textarea { width: 100%; padding: 12px 14px; background: rgba(5, 8, 20, .7); color: var(--text); border: 1px solid var(--line); border-radius: 10px; font: inherit; transition: border-color .2s, box-shadow .2s; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(94, 234, 212, .14); }
.form__status { margin: 0; min-height: 1.4em; font-size: .9rem; color: #fca5a5; }
.form__status.ok { color: var(--teal); }
.form__note { margin: 0; font-size: .82rem; color: var(--muted); text-align: center; }

/* ===== Footer ===== */
.footer { border-top: 1px solid var(--line); padding: 28px 0; color: var(--muted); font-size: .9rem; background: #05080f; }
.footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.footer p { margin: 0; }

/* ===== Animación de entrada al hacer scroll ===== */
.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.in.card:hover, .js .reveal.in.diff:hover, .js .reveal.in.quote:hover { transform: translateY(-4px); }
.js .reveal.in.project:hover { transform: translateY(-8px); }

/* ===== Responsive ===== */
@media (max-width: 920px) {
  .hero__inner { grid-template-columns: 1fr; gap: 64px; }
  .window { transform: none; }
  .float--a { left: 6px; }
  .float--b { right: 6px; }
}
@media (max-width: 800px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 12px 20px 20px; background: rgba(7, 11, 24, .97); border-bottom: 1px solid var(--line); display: none; }
  .nav.open { display: flex; }
  .nav a:not(.btn) { padding: 12px 0; }
  .nav .btn { margin-top: 8px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
}
.js .reveal.in:hover { transition-delay: 0s; transition-duration: .3s; }

/* Nota bajo el portfolio */
.note { margin-top: 36px; padding: 24px 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; border: 1px dashed rgba(94, 234, 212, .4); border-radius: var(--radius); background: rgba(94, 234, 212, .04); }
.note p { margin: 0; color: var(--muted); max-width: 70ch; }
.note strong { color: var(--text); }

/* Contacto: boceto en el hueco de la columna izquierda, bajo los botones */
.contact__info::after { content: ""; display: block; height: 300px; margin-top: 40px; background: url("../img/sketches.svg") left top / 600px auto no-repeat; opacity: .9; pointer-events: none;
  -webkit-mask-image: linear-gradient(90deg, #000 70%, transparent), linear-gradient(#000 65%, transparent);
  mask-image: linear-gradient(90deg, #000 70%, transparent), linear-gradient(#000 65%, transparent);
  -webkit-mask-composite: source-in; mask-composite: intersect; }
@media (max-width: 800px) { .contact__info::after { height: 200px; } }

/* Portfolio: boceto a la derecha del título (sin tapar el texto) */
#portfolio .container::before { content: ""; position: absolute; top: -10px; right: 0; width: 400px; height: 330px; background: url("../img/ideas.svg") center / contain no-repeat; opacity: .9; pointer-events: none;
  -webkit-mask-image: linear-gradient(270deg, #000 75%, transparent);
  mask-image: linear-gradient(270deg, #000 75%, transparent);
  }
@media (max-width: 1200px) { #portfolio .container::before { display: none; } }