/* ==========================================================================
   ARCODIC SpA — Hoja de estilos PyH Ingeniería System (Exact Replica)
   ========================================================================== */

:root {
  /* ARCODIC SpA Dossier Maestro 60-30-10 Color System */
  --navy: #0F172A;         /* 60% Base Dominante: Slate 900 Noche Industrial */
  --navy-2: #1E293B;       /* Slate 800 Tarjetas Oscuras */
  --ink: #0F172A;          /* Textos de Encabezado Industrial */
  --accent: #FF6B00;       /* 10% Punto de Foco (CTA): Naranja Seguridad Industrial */
  --accent-cyan: #2BC4D1;  /* Acento Técnico DFM */
  --accent-dk: #E05E00;     /* Naranja Hover */
  --light: #F8FAFC;        /* 30% Espacio Técnico: Slate 50 Blanco Plano CAD */
  --line: #E2E8F0;
  --text: #334155;
  --white: #ffffff;
  --wrap: 1240px;
  --r: 12px;
  --sh: 0 10px 30px rgba(15, 23, 42, 0.08);
  --font-heading: 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: var(--font-body), sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-dk); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--font-heading), sans-serif; color: var(--ink); line-height: 1.2; margin: 0 0 .4em; }
h1 { font-size: clamp(1.6rem, 3.2vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.35rem, 2.4vw, 1.85rem); font-weight: 800; letter-spacing: -.015em; }
h3 { font-size: 1.05rem; font-weight: 700; }
p { margin: 0 0 1.1em; }
ul { margin: 0 0 1.1em; padding-left: 1.15em; }
li { margin-bottom: .45em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Header PyH Style */
.hdr { position: fixed; inset: 0 0 auto 0; z-index: 100; background: rgba(10, 22, 40, .96); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255, 255, 255, .07); }
.hdr .wrap { display: flex; align-items: center; gap: 24px; height: 84px; }
.brand { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.brand img { width: 54px; height: 54px; object-fit: contain; }
.brand b { display: block; font-family: var(--font-heading); font-weight: 800; font-size: 1.3rem; color: #fff; letter-spacing: .04em; line-height: 1; }
.brand span { display: block; font-size: .66rem; letter-spacing: .19em; color: var(--accent); text-transform: uppercase; margin-top: 4px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 30px; }
.nav a { color: #DCE4EE; font-size: .97rem; font-weight: 500; white-space: nowrap; }
.nav a:hover { color: var(--accent); text-decoration: none; }
.nav .cta { background: var(--accent); color: var(--navy); font-weight: 700; padding: 12px 26px; border-radius: 9px; }
.nav .cta:hover { background: #fff; color: var(--navy); }
.burger { display: none; margin-left: auto; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 26px; height: 2px; background: #fff; margin: 5px 0; transition: .25s; }

@media(max-width: 980px) {
  .hdr .wrap { height: 72px; }
  .burger { display: block; }
  .nav { position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: var(--navy); padding: 8px 24px 24px; border-bottom: 1px solid rgba(255, 255, 255, .08); display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 15px 0; border-bottom: 1px solid rgba(255, 255, 255, .07); }
  .nav .cta { text-align: center; margin-top: 16px; border-bottom: 0; }
}

/* Sections */
main { padding-top: 84px; }
@media(max-width: 980px) { main { padding-top: 72px; } }
.sec { padding: 96px 0; }
.sec--dark { background: var(--navy); color: #B9C6D6; }
.sec--dark h2, .sec--dark h3 { color: #fff; }
.sec--light { background: var(--light); }
@media(max-width: 700px) { .sec { padding: 64px 0; } }

.eyebrow { display: flex; align-items: center; gap: 14px; font-size: .78rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--accent-dk); margin-bottom: 18px; }
.eyebrow::before { content: ""; width: 38px; height: 3px; background: var(--accent); border-radius: 2px; }
.sec--dark .eyebrow { color: var(--accent); }
.lead { font-size: 1.12rem; max-width: 62ch; }

/* Hero PyH Style with Integrated Slider */
.hero { position: relative; background: var(--navy); color: #C6D2E0; overflow: hidden; padding: 90px 0 80px; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, var(--navy) 34%, rgba(10, 22, 40, .82) 58%, rgba(10, 22, 40, .55) 100%), var(--hero-bg-img, url("../assets/images/hero-assembly.png")) center/cover no-repeat; z-index: 0; }
.hero .wrap { position: relative; z-index: 1; }
.hero h1 { color: #fff; max-width: 18ch; }
.hero h1 em { color: var(--accent); font-style: italic; }
.hero .lead { font-size: 1.18rem; max-width: 58ch; color: #C6D2E0; }
.hero-tag { font-size: .8rem; font-weight: 700; letter-spacing: .22em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }
.hero-tag::before { content: ""; display: block; width: 74px; height: 4px; background: var(--accent); border-radius: 2px; margin-bottom: 22px; }
.btnrow { display: flex; flex-wrap: wrap; gap: 14px; margin: 32px 0 0; }
.btn { display: inline-block; padding: 16px 34px; border-radius: 10px; font-weight: 700; font-size: 1rem; transition: .2s; border: 2px solid transparent; }
.btn--pri { background: var(--accent); color: var(--navy); }
.btn--pri:hover { background: #fff; text-decoration: none; transform: translateY(-2px); }
.btn--gho { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn--gho:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn--orange { background: var(--accent-orange); color: #fff; }
.btn--orange:hover { background: #e05e00; color: #fff; text-decoration: none; }

.stats { display: flex; flex-wrap: wrap; gap: 56px; margin-top: 64px; padding-top: 38px; border-top: 1px solid rgba(255, 255, 255, .14); }
.stats b { display: block; font-family: var(--font-heading); font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stats span { font-size: .74rem; letter-spacing: .17em; text-transform: uppercase; color: #8FA2B8; }
@media(max-width: 700px) { .stats { gap: 32px; } .stats b { font-size: 2rem; } }

/* Grids */
.grid { display: grid; gap: 26px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
@media(max-width: 980px) { .g3, .g4 { grid-template-columns: repeat(2, 1fr); } .split { grid-template-columns: 1fr; gap: 40px; } }
@media(max-width: 620px) { .g2, .g3, .g4 { grid-template-columns: 1fr; } }

/* Cards & Tiles PyH */
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 34px 30px; transition: .25s; height: 100%; }
.card:hover { transform: translateY(-4px); box-shadow: var(--sh); border-color: #CBD5E1; }
.card .num { font-family: var(--font-heading); font-weight: 800; font-size: .85rem; letter-spacing: .16em; color: var(--accent-dk); margin-bottom: 10px; }
.card h3 { margin-bottom: 12px; }
.card p { margin-bottom: 14px; font-size: .98rem; }
.card .more { font-weight: 700; font-size: .93rem; color: var(--ink); }
.card .more::after { content: " →"; color: var(--accent-dk); }
.card:hover .more { color: var(--accent-dk); }
.ico { width: 56px; height: 56px; border-radius: 50%; background: var(--ink); display: grid; place-items: center; margin-bottom: 20px; }
.ico svg, .ico i { width: 26px; height: 26px; color: var(--accent); font-size: 1.4rem; line-height: 1; display: grid; place-items: center; }

.card--cta { background: var(--ink); border-color: var(--ink); color: #C6D2E0; display: flex; flex-direction: column; justify-content: center; }
.card--cta h3 { color: #fff; font-size: 1.5rem; }

.tile { background: var(--navy-2); border: 1px solid rgba(43, 196, 209, .22); border-top: 3px solid var(--accent); border-radius: 10px; padding: 24px; }
.tile h3 { color: #fff; font-size: 1.08rem; margin-bottom: 8px; }
.tile p { font-size: .93rem; margin: 0; color: #9FB1C6; }

.norm { background: #fff; border-left: 4px solid var(--ink); border-radius: 0 10px 10px 0; padding: 26px 28px; }
.norm b { display: block; font-family: var(--font-heading); font-size: 2rem; font-weight: 800; color: var(--ink); line-height: 1; }
.norm span { font-size: .93rem; }

/* Portfolio Figures & Media */
.fig { position: relative; border-radius: 12px; overflow: hidden; background: #0d1c31; aspect-ratio: 4/3; }
.fig img, .fig video { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; display: block; }
.fig:hover img, .fig:hover video { transform: scale(1.04); }
.fig figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 18px 14px; font-size: .92rem; font-weight: 600; color: #fff; background: linear-gradient(transparent, rgba(6, 14, 26, .92)); pointer-events: none; z-index: 2; }

/* Contact Section */
.sec--contact { position: relative; background: var(--navy); color: #B9C6D6; overflow: hidden; }
.sec--contact .wrap { position: relative; z-index: 1; }
.sec--contact h2 { color: #fff; }
.cinfo { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 26px; }
.cinfo .ico { flex: 0 0 auto; width: 48px; height: 48px; background: var(--accent); margin: 0; }
.cinfo .ico svg, .cinfo .ico i { color: var(--navy); font-size: 1.2rem; }
.cinfo dt { font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); font-weight: 700; margin-bottom: 3px; }
.cinfo dd { margin: 0; font-size: 1.06rem; color: #fff; }
.cinfo dd a { color: #fff; }
.form { background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .14); border-radius: var(--r); padding: 36px; }
.form h3 { color: #fff; margin-bottom: 22px; }
.form label { display: block; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--accent); font-weight: 700; margin: 0 0 7px; }
.form input, .form textarea, .form select { width: 100%; margin-bottom: 20px; padding: 14px 16px; border-radius: 9px; border: 1px solid rgba(255, 255, 255, .2); background: rgba(10, 22, 40, .55); color: #fff; font: inherit; font-size: 1rem; }
.form input:focus, .form textarea:focus, .form select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.form textarea { min-height: 130px; resize: vertical; }
.form button { width: 100%; padding: 17px; border: 0; border-radius: 10px; background: var(--accent); color: var(--navy); font-family: var(--font-heading); font-weight: 800; font-size: 1.05rem; cursor: pointer; transition: .2s; }
.form button:hover { background: #fff; }

/* FAQ */
.faq { max-width: 860px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 12px; overflow: hidden; }
.faq summary { cursor: pointer; padding: 20px 24px; font-family: var(--font-heading); font-weight: 700; color: var(--ink); font-size: 1.05rem; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent-dk); font-size: 1.6rem; line-height: 1; flex: 0 0 auto; }
.faq details[open] summary::after { content: "–"; }
.faq .ans { padding: 0 24px 22px; font-size: 1rem; }
.faq .ans p:last-child { margin-bottom: 0; }

/* Footer */
.ftr { background: #060E1A; color: #7C8AA0; padding: 56px 0 30px; font-size: .92rem; }
.ftr-top { display: flex; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: space-between; padding-bottom: 30px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.ftr-nav { display: flex; flex-wrap: wrap; gap: 26px; }
.ftr-nav a { color: #B9C6D6; }
.ftr-nav a:hover { color: var(--accent); }
.ftr-bot { display: flex; flex-wrap: wrap; gap: 14px; justify-content: space-between; padding-top: 24px; font-size: .86rem; }

/* Floating WhatsApp Button */
.wa { position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 60px; height: 60px; border-radius: 50%; background: #25D366; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0, 0, 0, .28); transition: .2s; }
.wa:hover { transform: scale(1.07); }
.wa svg { width: 32px; height: 32px; fill: #fff; }