/* ============================================================
   CATAGERMANS — Catà Germans S.L.
   Premium industrial design system
   ============================================================ */

/* Tipografies autoallotjades: cap connexió a Google Fonts durant la visita. */
@font-face {
  font-family: 'Inter'; font-style: normal; font-weight: 400 900; font-display: swap;
  src: url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Inter'; font-style: normal; font-weight: 400 900; font-display: swap;
  src: url('fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400 600; font-display: swap;
  src: url('fonts/jetbrains-mono-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono'; font-style: normal; font-weight: 400 600; font-display: swap;
  src: url('fonts/jetbrains-mono-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* Brand */
  --blue: #001780;            /* deep industrial blue */
  --blue-700: #00219c;
  --electric: #2f5bff;        /* electric accent */
  --electric-soft: #5b7bff;

  /* Light surfaces */
  --paper: #ffffff;
  --paper-2: #f5f7fc;         /* light steel */
  --paper-3: #eef1f8;
  --hairline: #dfe4ef;
  --hairline-2: #e9edf5;

  /* Dark surfaces */
  --ink: #060816;            /* near-black navy */
  --ink-2: #0b0f22;
  --ink-3: #121736;
  --ink-line: rgba(255,255,255,0.10);
  --ink-line-2: rgba(255,255,255,0.06);

  /* Text */
  --t-900: #0a0e1c;
  --t-700: #404a63;
  --t-500: #6b7488;
  --t-400: #8a93a8;
  --t-on-dark: #eef1fb;
  --t-on-dark-2: #9aa3c4;

  /* Steel / graphite */
  --steel: #aab2c6;
  --graphite: #2a3042;
  --silver: #cdd4e2;

  --maxw: 1280px;
  --pad: clamp(20px, 5vw, 64px);
  --r: 14px;
  --r-lg: 22px;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--t-900);
  background: var(--paper);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

::selection { background: var(--electric); color: #fff; }

/* ---------- Skip link (accessibilitat) ---------- */
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 200; background: var(--blue); color: #fff; padding: 10px 18px; border-radius: 8px; font-weight: 600; font-size: 14px; transition: top .2s var(--ease); }
.skip-link:focus { top: 12px; }

/* ---------- Enllaços legals del footer ---------- */
.footer__legal-links { display: inline-flex; gap: 18px; }
.footer__legal-links a { color: var(--t-on-dark-2); }
.footer__legal-links a:hover { color: #fff; }

/* ---------- Layout ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { padding: clamp(80px, 12vh, 160px) 0; position: relative; }
.section--tight { padding: clamp(56px, 8vh, 100px) 0; }

/* ---------- Type ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--electric);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.eyebrow--center::before { display: none; }

h1, h2, h3 { font-weight: 700; letter-spacing: -0.03em; line-height: 1.02; color: var(--t-900); }
.display {
  font-size: clamp(44px, 7.5vw, 104px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 0.96;
}
.h-xl { font-size: clamp(34px, 5vw, 68px); font-weight: 700; letter-spacing: -0.04em; line-height: 1.0; }
.h-lg { font-size: clamp(28px, 3.4vw, 46px); font-weight: 700; letter-spacing: -0.035em; }
.h-md { font-size: clamp(22px, 2.4vw, 32px); font-weight: 600; letter-spacing: -0.025em; }
.lead {
  font-size: clamp(18px, 1.55vw, 22px);
  line-height: 1.5;
  color: var(--t-500);
  font-weight: 400;
  max-width: 56ch;
}
.body { font-size: 16px; color: var(--t-700); line-height: 1.6; }
.muted { color: var(--t-500); }
.on-dark { color: var(--t-on-dark); }
.on-dark .lead, .on-dark .body { color: var(--t-on-dark-2); }
.tnum { font-variant-numeric: tabular-nums; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em;
  padding: 14px 22px; border-radius: 100px;
  transition: transform .4s var(--ease), background .25s, color .25s, box-shadow .25s, border-color .25s;
  white-space: nowrap;
}
.btn .arrow { transition: transform .4s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 8px 24px -12px rgba(0,23,128,.6); }
.btn--primary:hover { background: var(--electric); box-shadow: 0 14px 34px -10px rgba(47,91,255,.6); }
.btn--ghost { background: transparent; color: var(--t-900); border: 1px solid var(--hairline); }
.btn--ghost:hover { border-color: var(--t-900); }
.on-dark .btn--ghost { color: #fff; border-color: var(--ink-line); }
.on-dark .btn--ghost:hover { border-color: rgba(255,255,255,.5); background: rgba(255,255,255,.04); }
.btn--white { background: #fff; color: var(--ink); }
.btn--white:hover { background: var(--electric); color: #fff; }

/* link with underline sweep */
.tlink { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--blue); }
.tlink .arrow { transition: transform .4s var(--ease); }
.tlink:hover .arrow { transform: translateX(4px); }

/* ---------- Industrial flourishes ---------- */
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--hairline-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--hairline-2) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 75%);
  mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 75%);
}
.grid-bg--dark {
  background-image:
    linear-gradient(var(--ink-line-2) 1px, transparent 1px),
    linear-gradient(90deg, var(--ink-line-2) 1px, transparent 1px);
}
.tick { position: relative; }
.tick::before, .tick::after {
  content: ""; position: absolute; width: 9px; height: 9px;
  border: 1px solid var(--electric);
}
.corner-tl::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.corner-br::after { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

/* measurement label */
.coord { font-family: var(--mono); font-size: 11px; letter-spacing: .05em; color: var(--t-400); }
.on-dark .coord { color: var(--t-on-dark-2); }

/* ---------- Placeholder media ---------- */
.ph {
  position: relative; overflow: hidden;
  background:
    repeating-linear-gradient(135deg, var(--paper-2) 0 14px, var(--paper-3) 14px 28px);
  border: 1px solid var(--hairline);
  border-radius: var(--r);
  display: grid; place-items: center;
}
.ph--dark {
  background: repeating-linear-gradient(135deg, #0d1228 0 14px, #0a0e22 14px 28px);
  border-color: var(--ink-line);
}
.ph__tag {
  font-family: var(--mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--t-400); background: var(--paper); padding: 6px 12px; border-radius: 100px;
  border: 1px solid var(--hairline); display: inline-flex; gap: 8px; align-items: center;
}
.ph__tag { display: none !important; }
.ph--dark .ph__tag { color: var(--t-on-dark-2); background: rgba(8,12,30,.7); border-color: var(--ink-line); }
.ph__tag::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--electric); }

/* ---------- Reveal animation ---------- */
[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal-delay="1"] { transition-delay: .08s; }
[data-reveal-delay="2"] { transition-delay: .16s; }
[data-reveal-delay="3"] { transition-delay: .24s; }
[data-reveal-delay="4"] { transition-delay: .32s; }
[data-reveal-delay="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .4s, border-color .4s, backdrop-filter .4s;
  border-bottom: 1px solid transparent;
}
.nav__inner {
  max-width: var(--maxw); margin: 0 auto; padding: 18px var(--pad);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.nav.scrolled {
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-color: var(--hairline);
}
.nav.scrolled .nav__inner { padding-top: 13px; padding-bottom: 13px; }
/* over dark hero */
.nav.on-dark-nav .brand, .nav.on-dark-nav .nav__item > a, .nav.on-dark-nav .nav__submenu-toggle, .nav.on-dark-nav .lang button { color: #fff; }
.nav.on-dark-nav .nav__item > a::after { background: #fff; }
.nav.on-dark-nav.scrolled { background: rgba(6,8,22,0.6); border-color: var(--ink-line); }
.nav.on-dark-nav .lang { border-color: var(--ink-line); }
.nav.on-dark-nav .btn--primary { background: #fff; color: var(--ink); }
.nav.on-dark-nav .btn--primary:hover { background: var(--electric); color:#fff; }

.brand {
  font-weight: 800; font-size: 21px; letter-spacing: -0.04em; color: var(--t-900);
  display: inline-flex; align-items: center; gap: 10px; transition: color .4s;
}
.brand__mark { width: 26px; height: 26px; flex: none; }
.brand__logo { height: 44px; width: auto; display: block; flex: none; border-radius: 6px; }
.nav.scrolled .brand__logo { height: 38px; }
@media (max-width: 600px){ .brand__logo { height: 36px; } }
.brand small { font-family: var(--mono); font-size: 9px; font-weight: 500; letter-spacing: .15em; opacity: .55; align-self: flex-start; margin-top: 2px; }

.nav__links { display: flex; align-items: center; gap: clamp(16px, 1.8vw, 28px); }
.nav__item { position: relative; display: flex; align-items: center; }
.nav__item > a {
  font-size: 15px; font-weight: 500; color: var(--t-700); position: relative; transition: color .25s;
}
.nav__item > a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: var(--electric); transition: width .35s var(--ease);
}
.nav__item > a:hover, .nav__item > a.active { color: var(--t-900); }
.nav__item > a:hover::after, .nav__item > a.active::after { width: 100%; }

.nav__submenu-toggle {
  width: 20px; height: 28px; margin-left: 3px; color: var(--t-500);
  display: inline-grid; place-items: center; border-radius: 7px; transition: color .25s, background .25s;
}
.nav__submenu-toggle:hover { color: var(--electric); background: rgba(47,91,255,.08); }
.nav__submenu-toggle span, .mobile-menu__toggle span {
  width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg); transition: transform .25s var(--ease);
}
.nav__item:hover .nav__submenu-toggle span,
.nav__item:focus-within .nav__submenu-toggle span,
.nav__item.is-open .nav__submenu-toggle span { transform: translateY(2px) rotate(225deg); }
.nav__submenu {
  position: absolute; top: calc(100% + 10px); left: 50%; z-index: 3;
  width: max-content; min-width: 210px; max-width: 245px; padding: 7px;
  background: rgba(255,255,255,.82); border: 1px solid rgba(223,228,239,.88); border-radius: 14px;
  box-shadow: 0 18px 48px rgba(6,8,22,.14); backdrop-filter: saturate(170%) blur(18px); -webkit-backdrop-filter: saturate(170%) blur(18px);
  opacity: 0; visibility: hidden; pointer-events: none; transform: translate(-50%, 8px);
  transition: opacity .2s ease, visibility .2s, transform .25s var(--ease);
}
.nav__submenu::before { content: ""; position: absolute; left: 0; right: 0; top: -11px; height: 11px; }
.nav__submenu a {
  display: block; padding: 9px 11px; border-radius: 9px; color: var(--t-700);
  font-size: 13px; font-weight: 550; line-height: 1.3; transition: color .2s, background .2s, transform .2s var(--ease);
}
.nav__submenu a:hover, .nav__submenu a:focus-visible { color: var(--blue); background: rgba(47,91,255,.08); transform: translateX(2px); }
.nav__item--has-submenu:hover .nav__submenu,
.nav__item--has-submenu:focus-within .nav__submenu,
.nav__item--has-submenu.is-open .nav__submenu {
  opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0);
}
.nav.on-dark-nav .nav__submenu { background: rgba(6,8,22,.78); border-color: var(--ink-line); box-shadow: 0 18px 48px rgba(0,0,0,.28); }
.nav.on-dark-nav .nav__submenu a { color: var(--t-on-dark); }
.nav.on-dark-nav .nav__submenu a:hover, .nav.on-dark-nav .nav__submenu a:focus-visible { color: #fff; background: rgba(255,255,255,.09); }
.nav__submenu-toggle:focus-visible, .mobile-menu__toggle:focus-visible { outline: 2px solid var(--electric-soft); outline-offset: 2px; }

.nav__right { display: flex; align-items: center; gap: 16px; }
.lang {
  display: inline-flex; align-items: center; border: 1px solid var(--hairline); border-radius: 100px;
  padding: 3px; transition: border-color .4s;
}
.lang button {
  font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: .06em;
  padding: 5px 9px; border-radius: 100px; color: var(--t-500); transition: color .25s, background .25s;
}
.lang button.active { background: var(--blue); color: #fff; }
.nav.on-dark-nav .lang button.active { background: #fff; color: var(--ink); }

.nav__burger { display: none; }
.mobile-menu { display: none; }

#energia-solar, #produccio-eficient, #metall-responsable, #on-som, #visita, #treballa-amb-nosaltres,
#qui-som, #historia, #installacions, #ubicacio, .serveis-familia { scroll-margin-top: 104px; }

/* mobile nav */
@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__cta-text { display: none; }
  .nav__burger {
    display: inline-flex; flex-direction: column; gap: 5px; padding: 8px;
  }
  .nav__burger span { width: 22px; height: 2px; background: currentColor; transition: .3s; }
  .nav__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav.on-dark-nav .nav__burger { color: #fff; }
  .nav:not(.on-dark-nav) .nav__burger { color: var(--t-900); }
  .mobile-menu {
    position: fixed; inset: 0; z-index: 99; background: var(--ink);
    display: flex; flex-direction: column; justify-content: flex-start; gap: 0;
    padding: clamp(96px, 14vh, 126px) var(--pad) 32px; overflow-y: auto;
    opacity: 0; pointer-events: none; transition: opacity .35s;
  }
  .mobile-menu { display: flex; }
  .mobile-menu.open { opacity: 1; pointer-events: auto; }
  .mobile-menu__item { border-bottom: 1px solid var(--ink-line); }
  .mobile-menu__row { display: flex; align-items: center; }
  .mobile-menu__primary { flex: 1; font-size: clamp(25px, 6vw, 34px); font-weight: 700; color: #fff; letter-spacing: -.03em; padding: 10px 0; }
  .mobile-menu__toggle { width: 48px; min-height: 48px; color: var(--t-on-dark-2); display: grid; place-items: center; border-radius: 10px; }
  .mobile-menu__toggle:hover { color: #fff; background: rgba(255,255,255,.06); }
  .mobile-menu__item.is-open .mobile-menu__toggle span { transform: translateY(2px) rotate(225deg); }
  .mobile-menu__submenu { max-height: 0; overflow: hidden; opacity: 0; padding: 0 0 0 12px; transition: max-height .35s var(--ease), opacity .25s ease, padding .35s var(--ease); }
  .mobile-menu__item.is-open .mobile-menu__submenu { max-height: 260px; opacity: 1; padding-top: 2px; padding-bottom: 10px; }
  .mobile-menu__submenu a { display: block; color: var(--t-on-dark-2); font-size: 14px; font-weight: 500; padding: 7px 8px; border-radius: 8px; }
  .mobile-menu__submenu a:hover, .mobile-menu__submenu a:focus-visible { color: #fff; background: rgba(255,255,255,.06); }
  .mobile-menu .lang { align-self: flex-start; margin-top: 20px; border-color: var(--ink-line); }
  .mobile-menu .lang button { color: var(--t-on-dark-2); }
  .mobile-menu .lang button.active { background:#fff; color: var(--ink); }
  html.menu-open { overflow: hidden; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--ink); color: var(--t-on-dark); padding: clamp(64px,8vh,110px) 0 40px; position: relative; overflow: hidden; }
.footer .grid-bg--dark { -webkit-mask-image: radial-gradient(100% 100% at 50% 0%, #000, transparent 70%); mask-image: radial-gradient(100% 100% at 50% 0%, #000, transparent 70%); }
.footer__top { display: grid; grid-template-columns: 1.6fr .85fr 1.05fr 1.15fr; gap: clamp(28px,4vw,52px); position: relative; align-items: start; }
.footer__identity {
  min-height: 220px; padding: 0; border: 0; border-radius: 0; background: transparent;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.footer__brand { display: inline-flex; align-items: center; color: #fff; }
.footer__logo-wrap {
  display: inline-flex; align-items: center; flex: none;
}
.footer__logo { width: clamp(190px, 14vw, 220px); height: auto; object-fit: contain; border-radius: 0; }
.footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .15em; text-transform: uppercase; color: var(--t-on-dark-2); font-weight: 500; margin-bottom: 18px; }
.footer__col a, .footer__col p { display: block; color: var(--t-on-dark-2); font-size: 15px; margin-bottom: 12px; transition: color .25s; }
.footer__col a:hover { color: #fff; }
.footer__menu { list-style: none; margin: 0; padding: 0; }
.footer__menu li { margin: 0; padding: 0; }
.footer__menu a { display: block; color: var(--t-on-dark-2); font-size: 15px; margin-bottom: 12px; transition: color .25s; }
.footer__menu a:hover { color: #fff; }
.footer__social { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.footer__social a {
  width: 42px; height: 42px; margin: 0; display: grid; place-items: center;
  border: 1px solid rgba(255,255,255,.16); border-radius: 999px;
  color: rgba(235,240,255,.78); background: rgba(255,255,255,.045);
}
.footer__social svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.footer__social a:nth-child(2) svg, .footer__social a:nth-child(3) svg { fill: currentColor; stroke: none; }
.footer__social a:hover { border-color: rgba(255,255,255,.36); background: rgba(255,255,255,.1); color: #fff; transform: translateY(-1px); }
.footer__funding {
  position: relative; margin-top: clamp(38px,5vw,64px); padding: clamp(16px,2vw,22px);
  border: 1px solid rgba(255,255,255,.24); border-radius: 10px; background: #fff;
  box-shadow: 0 22px 70px -50px rgba(255,255,255,.32);
}
.footer__funding img { width: min(100%, 1195px); height: auto; margin: 0 auto; object-fit: contain; image-rendering: auto; }
.footer__bottom {
  margin-top: clamp(48px,7vh,90px); padding-top: 28px; border-top: 1px solid var(--ink-line);
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; color: var(--t-on-dark-2); letter-spacing: .03em;
}
@media (max-width: 760px) { .footer__top { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) {
  .footer__top, .footer__bottom { grid-template-columns: 1fr; flex-direction: column; align-items: flex-start; }
  .footer__identity { min-height: 0; padding: 0; align-items: flex-start; justify-content: flex-start; }
  .footer__logo { width: 158px; height: auto; }
  .footer__funding { padding: 10px; border-radius: 8px; overflow-x: auto; }
  .footer__funding img { min-width: 760px; max-width: none; }
}

/* utility */
.center { text-align: center; }
.stack-sm > * + * { margin-top: 14px; }
.stack > * + * { margin-top: 22px; }
.flex { display: flex; }
.gap-12 { gap: 12px; } .gap-16 { gap: 16px; } .gap-24 { gap: 24px; }
.wrap-row { display: flex; flex-wrap: wrap; }
.eyebrow-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.maxw-head { max-width: 18ch; }