/* ==========================================================================
   GeoFortis — Geotecnia & Fundações
   Conceito: "O Perfil do Terreno" — o site lê-se como um registo de sondagem.
   ========================================================================== */

:root {
  /* Marca */
  --navy-950: #061428;
  --navy-900: #0a1d3a;
  --navy-800: #0f2a52;
  --blue-600: #1a56b0;
  --blue-400: #5a8fd8;
  --orange: #f26a21;
  --orange-dk: #d4560f;

  /* Terreno */
  --paper: #f3efe7;
  --paper-2: #e9e3d7;
  --soil-1: #d8c7a3;
  --soil-2: #bfa47c;
  --soil-3: #a2825b;
  --soil-4: #7d6650;
  --soil-5: #4c4440;
  --rock: #3a3532;

  /* Texto */
  --ink: #0b1626;
  --ink-2: #3c4757;
  --muted: #59626f;          /* ≥ 4.5:1 sobre --paper e --paper-2 (WCAG AA) */
  --line: rgba(11, 22, 38, .14);
  --line-light: rgba(255, 255, 255, .14);
  --error: #c2361b;

  /* Tipografia */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "Public Sans", "Helvetica Neue", Arial, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  /* Ritmo */
  --gutter: clamp(16px, 4vw, 48px);
  --section: clamp(80px, 10vw, 152px);
  --header-h: 76px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.nav-locked { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }
h1, h2, h3 { margin: 0; font-family: var(--f-display); font-weight: 800; line-height: 1.02; letter-spacing: -.02em; font-stretch: 86%; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
strong { font-weight: 650; }
::selection { background: var(--orange); color: #fff; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

.mono { font-family: var(--f-mono); font-size: .75rem; letter-spacing: .06em; text-transform: uppercase; }
.wrap { width: 100%; max-width: 1360px; margin-inline: auto; padding-inline: var(--gutter); }
@media (min-width: 1280px) { .wrap { padding-left: calc(var(--gutter) + 56px); } }

.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--orange); color: #fff; padding: 10px 16px; }
.skip:focus { left: 8px; }

/* ---------- Botões ---------- */
.btn {
  --pad: 14px 22px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: var(--pad);
  font-family: var(--f-display); font-weight: 650; font-stretch: 100%; font-size: .95rem; letter-spacing: .01em;
  border: 1px solid transparent; border-radius: 2px;
  transition: background .25s var(--ease), color .25s, border-color .25s, transform .25s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; transition: transform .3s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn--sm { --pad: 9px 16px; font-size: .875rem; }
.btn--lg { --pad: 17px 28px; font-size: 1rem; }
.btn--accent { background: var(--orange); color: #fff; }
.btn--accent:hover { background: var(--orange-dk); }
.btn--ghost { border-color: var(--line-light); color: #fff; }
.btn--ghost:hover { border-color: #fff; }
.btn--ghost:hover svg { transform: translateY(2px); }
.btn--line { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn--line:hover { background: #fff; color: var(--navy-950); }

.link-arrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 650; border-bottom: 1px solid currentColor; padding-bottom: 4px; }
.link-arrow svg { width: 18px; transition: transform .3s var(--ease); }
.link-arrow:hover svg { transform: translateX(5px); }
.link-arrow:hover { color: var(--orange); }
.link-arrow--light { color: #fff; }

/* ---------- Eyebrow & títulos de secção ---------- */
.eyebrow { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; font-family: var(--f-mono); font-size: .78rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.eyebrow__code { padding: 4px 8px; background: var(--ink); color: var(--paper); font-size: .7rem; }
.eyebrow--light { color: rgba(255, 255, 255, .7); }
.eyebrow--light .eyebrow__code { background: var(--orange); color: #fff; }

.section { padding-block: var(--section); position: relative; }
.section__head { margin-bottom: clamp(48px, 6vw, 88px); }
.section__head--split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: end; }
.section__title { font-size: clamp(2.2rem, 4.6vw, 4rem); }
.section__intro { color: var(--ink-2); max-width: 46ch; margin: 0; justify-self: end; }

/* ---------- Topbar ---------- */
.topbar { background: var(--navy-950); color: rgba(255, 255, 255, .78); font-size: .8rem; border-bottom: 1px solid var(--line-light); }
.topbar__inner { display: flex; justify-content: space-between; align-items: center; min-height: 40px; gap: 16px; }
.topbar__meta { display: flex; align-items: center; gap: 12px; margin: 0; font-size: .7rem; }
.topbar__dot { width: 6px; height: 6px; background: var(--orange); border-radius: 50%; box-shadow: 0 0 0 4px rgba(242, 106, 33, .2); }
.topbar__links { display: flex; gap: 26px; align-items: center; }
.topbar__links a:hover { color: #fff; }
.topbar__lang { display: flex; gap: 6px; font-family: var(--f-mono); font-size: .72rem; }
.topbar__lang [aria-current] { color: var(--orange); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(6, 20, 40, .96);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  color: #fff;
  border-bottom: 1px solid var(--line-light);
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.header.is-scrolled { background: rgba(6, 20, 40, .985); box-shadow: 0 10px 30px -20px rgba(0, 0, 0, .6); }
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: var(--header-h); transition: height .3s var(--ease); }
.header.is-scrolled .header__inner { height: 64px; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--navy-800); }
.brand__mark { width: 40px; height: 40px; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--f-display); font-weight: 800; font-size: 1.35rem; color: #fff; letter-spacing: -.01em; font-stretch: 92%; }
.brand__name b { color: var(--orange); font-weight: 800; }
.brand__tag { font-family: var(--f-mono); font-size: .6rem; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .72); margin-top: 5px; }

.nav__list { display: flex; gap: 6px; }
.nav__list a { position: relative; display: block; padding: 10px 14px; font-size: .92rem; font-weight: 500; color: rgba(255, 255, 255, .85); transition: color .2s; }
.nav__list a::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; background: var(--orange); transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease); }
.nav__list a:hover, .nav__list a.is-active { color: #fff; }
.nav__list a.is-active::after, .nav__list a:hover::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle { display: none; width: 44px; height: 44px; background: none; border: 1px solid var(--line-light); border-radius: 2px; position: relative; }
.nav-toggle span { position: absolute; left: 12px; right: 12px; height: 2px; background: #fff; transition: transform .3s var(--ease), top .3s; }
.nav-toggle span:first-child { top: 17px; }
.nav-toggle span:last-child { top: 25px; }
.header.is-open .nav-toggle span:first-child { top: 21px; transform: rotate(45deg); }
.header.is-open .nav-toggle span:last-child { top: 21px; transform: rotate(-45deg); }

/* ---------- Medidor de profundidade ---------- */
.gauge {
  --c: var(--ink); --c-soft: rgba(11, 22, 38, .2);
  position: fixed; z-index: 40; left: 22px; top: 50%; transform: translateY(-40%);
  display: none; flex-direction: column; align-items: flex-start; gap: 10px;
  color: var(--c); pointer-events: none;
  transition: color .4s;
}
.gauge[data-tone="dark"] { --c: #fff; --c-soft: rgba(255, 255, 255, .25); }
@media (min-width: 1280px) { .gauge { display: flex; } }
.gauge__label { font-size: .62rem; opacity: .6; }
.gauge__rail { position: relative; width: 2px; height: 46vh; background: var(--c-soft); margin-left: 4px; }
.gauge__fill { position: absolute; inset: 0; background: var(--orange); transform-origin: top; transform: scaleY(0); }
.gauge__fill::after { content: ""; position: absolute; left: 50%; bottom: -5px; width: 10px; height: 10px; margin-left: -5px; background: var(--orange); transform: rotate(45deg); }
.gauge__ruler span { position: absolute; left: 6px; width: 6px; height: 1px; background: var(--c-soft); }
.gauge__ruler span::after { content: attr(data-m); position: absolute; left: 10px; top: -6px; font-family: var(--f-mono); font-size: 9px; opacity: .55; color: var(--c); }
.gauge__value { font-size: .78rem; font-weight: 500; white-space: nowrap; }
.gauge__layer { font-size: .6rem; opacity: .65; max-width: 90px; line-height: 1.3; }
.gauge__layer.is-swapping { animation: swap .5s var(--ease); }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } to { opacity: .65; transform: none; } }

/* ---------- Revelação ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--reveal-delay, 0ms); }
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal].is-revealed { opacity: 1; transform: none; }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(60% 70% at 80% 30%, rgba(26, 86, 176, .35), transparent 70%),
    radial-gradient(40% 50% at 10% 90%, rgba(242, 106, 33, .1), transparent 70%),
    var(--navy-950);
  color: #fff;
  padding-top: clamp(48px, 7vw, 96px);
}
.hero__grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(80% 80% at 60% 40%, #000 30%, transparent 85%);
  -webkit-mask-image: radial-gradient(80% 80% at 60% 40%, #000 30%, transparent 85%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.hero__title { font-size: clamp(2.8rem, 6.4vw, 6rem); font-stretch: 78%; letter-spacing: -.03em; line-height: .95; margin-bottom: 28px; }
.hero__title em { font-style: normal; color: var(--orange); position: relative; white-space: nowrap; }
.hero__title em::after { content: ""; position: absolute; left: 0; right: 0; bottom: -.04em; height: .07em; background: currentColor; transform-origin: left; transform: scaleX(0); transition: transform 1.1s .8s var(--ease); }
.hero__title.is-revealed em::after { transform: scaleX(1); }
.hero__lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: rgba(255, 255, 255, .72); max-width: 54ch; margin-bottom: 38px; font-weight: 300; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: clamp(44px, 6vw, 72px); }

.hero__stats { display: grid; grid-template-columns: repeat(3, auto); justify-content: start; gap: clamp(24px, 4vw, 56px); margin: 0; padding-top: 28px; border-top: 1px solid var(--line-light); }
.hero__stats dt { color: rgba(255, 255, 255, .72); font-size: .66rem; margin-bottom: 6px; }
.hero__stats dd { margin: 0; font-family: var(--f-display); font-weight: 800; font-stretch: 75%; font-size: clamp(2.4rem, 4vw, 3.4rem); line-height: 1; font-variant-numeric: tabular-nums; }

/* Registo de sondagem */
.borelog { margin: 0; border: 1px solid var(--line-light); background: rgba(255, 255, 255, .025); backdrop-filter: blur(2px); }
.borelog__head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; padding: 12px 16px; border-bottom: 1px solid var(--line-light); color: rgba(255, 255, 255, .72); font-size: .64rem; }
.borelog__note { color: var(--orange); }
.borelog__head span:first-child { color: #fff; }
.borelog__svg { width: 100%; height: auto; padding: 8px 4px 4px; }
.borelog__notes line { stroke: rgba(255, 255, 255, .35); }
.borelog__notes text { fill: #fff; font-family: var(--f-display); font-weight: 600; }
.borelog__notes .sub { fill: rgba(255, 255, 255, .7); font-family: var(--f-mono); font-size: 9.5px; font-weight: 400; letter-spacing: .04em; }
.borelog__scale text { font-family: var(--f-mono); }

.js .borelog__clip { transform-box: fill-box; transform-origin: top; transform: scaleY(0); transition: transform 1.6s .3s var(--ease); }
.js .borelog__pile { transform: translateY(-560px); transition: transform 1.4s 1.5s cubic-bezier(.6, 0, .2, 1); }
.js .borelog__notes g { opacity: 0; transition: opacity .6s; }
.js .borelog__spt-line { stroke-dasharray: 700; stroke-dashoffset: 700; transition: stroke-dashoffset 2s 1.2s var(--ease); }
.js .borelog__spt circle, .js .borelog__water { opacity: 0; transition: opacity .6s 2.6s; }
.borelog.is-revealed .borelog__clip { transform: scaleY(1); }
.borelog.is-revealed .borelog__pile { transform: none; }
.borelog.is-revealed .borelog__spt-line { stroke-dashoffset: 0; }
.borelog.is-revealed .borelog__spt circle, .borelog.is-revealed .borelog__water { opacity: 1; }
.borelog.is-revealed .borelog__notes g { opacity: 1; }
.borelog.is-revealed .borelog__notes g:nth-child(1) { transition-delay: .6s; }
.borelog.is-revealed .borelog__notes g:nth-child(2) { transition-delay: .85s; }
.borelog.is-revealed .borelog__notes g:nth-child(3) { transition-delay: 1.1s; }
.borelog.is-revealed .borelog__notes g:nth-child(4) { transition-delay: 1.35s; }
.borelog.is-revealed .borelog__notes g:nth-child(5) { transition-delay: 1.6s; }

.hero__foot { position: relative; display: flex; flex-wrap: wrap; gap: 10px 28px; align-items: center; padding-block: 36px 40px; margin-top: clamp(40px, 6vw, 72px); color: rgba(255, 255, 255, .7); font-size: .68rem; border-top: 1px solid var(--line-light); }
.hero__foot span::before { content: "■"; color: var(--orange); margin-right: 8px; font-size: .5rem; vertical-align: middle; }
.hero__scroll { margin-left: auto; display: inline-flex; gap: 8px; align-items: center; color: #fff; }
.hero__scroll svg { width: 10px; animation: bob 2s infinite var(--ease); }
@keyframes bob { 50% { transform: translateY(4px); } }

/* Faixa estratigráfica */
.strata-band { position: relative; height: clamp(70px, 10vw, 150px); background: var(--navy-950); overflow: hidden; }
.strata-band svg, .footer__strata svg { position: absolute; inset: -12px -40px 0; width: calc(100% + 80px); height: calc(100% + 12px); }
.strata-band g, .footer__strata g { will-change: transform; }

/* Marquee */
.marquee { --marquee-duration: 40s; display: flex; overflow: hidden; background: var(--soil-5); color: rgba(255, 255, 255, .85); border-bottom: 1px solid rgba(0, 0, 0, .25); }
.marquee__track { display: flex; flex-shrink: 0; animation: marquee var(--marquee-duration) linear infinite; }
.marquee.is-paused .marquee__track { animation-play-state: paused; }
.marquee li { padding: 20px 0; white-space: nowrap; font-family: var(--f-display); font-weight: 600; font-stretch: 90%; font-size: 1.05rem; letter-spacing: .01em; }
.marquee li::after { content: "◆"; margin-inline: 28px; color: var(--orange); font-size: .6rem; vertical-align: middle; }
@keyframes marquee { to { transform: translateX(-100%); } }

/* ==========================================================================
   SOBRE
   ========================================================================== */
.about { background: var(--paper); }
.about__grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
.lead { font-size: clamp(1.25rem, 1.9vw, 1.55rem); line-height: 1.45; color: var(--ink); font-weight: 400; letter-spacing: -.005em; }
.about__text > p:not(.lead) { color: var(--ink-2); max-width: 58ch; margin-bottom: 32px; }
.about__cards { display: grid; gap: 16px; }
.vcard { padding: 32px; background: #fff; border-top: 3px solid var(--ink); box-shadow: 0 1px 0 var(--line); }
.vcard p { margin: 14px 0 0; font-size: 1.02rem; color: var(--ink-2); }
.vcard__k { color: var(--orange-dk); font-weight: 500; }
.vcard--accent { background: var(--navy-900); color: #fff; border-color: var(--orange); }
.vcard--accent p { color: rgba(255, 255, 255, .82); font-size: 1.2rem; font-family: var(--f-display); font-weight: 500; line-height: 1.35; font-stretch: 95%; }
.vcard--accent .vcard__k { color: var(--orange); }

.values { margin-top: clamp(80px, 9vw, 130px); }
.values__label { color: var(--muted); margin-bottom: 18px; }
.values__list li {
  display: flex; align-items: baseline; gap: 22px;
  padding: 18px clamp(18px, 3vw, 36px);
  font-family: var(--f-display); font-weight: 800; font-stretch: 80%; font-size: clamp(1.6rem, 3.6vw, 3rem); line-height: 1;
  letter-spacing: -.02em; text-transform: uppercase;
  transition: padding .4s var(--ease), letter-spacing .4s var(--ease);
  position: relative;
}
.values__list li span { font-size: .72rem; font-weight: 400; letter-spacing: .08em; opacity: .6; }
.values__list li:nth-child(1) { background: var(--soil-1); color: var(--ink); }
.values__list li:nth-child(2) { background: var(--soil-2); color: var(--ink); }
.values__list li:nth-child(3) { background: var(--soil-3); color: #fff; }
.values__list li:nth-child(4) { background: var(--soil-4); color: #fff; }
.values__list li:nth-child(5) { background: var(--soil-5); color: #fff; }
.values__list li::after { content: ""; position: absolute; right: clamp(18px, 3vw, 36px); top: 50%; width: 0; height: 2px; background: var(--orange); transition: width .5s var(--ease); }
.values__list li:hover { padding-block: 28px; letter-spacing: .01em; }
.values__list li:hover::after { width: 80px; }

/* ==========================================================================
   SERVIÇOS
   ========================================================================== */
.services { background: var(--navy-900); color: #fff; overflow: hidden; }
.services::before { content: ""; position: absolute; inset: 0; background: radial-gradient(50% 60% at 100% 0%, rgba(26, 86, 176, .3), transparent 70%); pointer-events: none; }
.services .section__intro { color: rgba(255, 255, 255, .66); }

.explorer { position: relative; display: grid; grid-template-columns: minmax(260px, 340px) 1fr; border: 1px solid var(--line-light); background: rgba(6, 20, 40, .45); }
.explorer__tabs { position: relative; display: flex; flex-direction: column; border-right: 1px solid var(--line-light); }
.explorer__indicator { position: absolute; left: -1px; top: 0; width: 3px; background: var(--orange); transition: transform .45s var(--ease), height .45s var(--ease); }
.explorer__tabs [role="tab"] {
  display: flex; align-items: center; gap: 16px; text-align: left;
  padding: 22px 26px; background: none; border: 0; border-bottom: 1px solid var(--line-light);
  font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; font-stretch: 95%;
  color: rgba(255, 255, 255, .76); transition: color .25s, background .25s;
}
.explorer__tabs [role="tab"]:last-of-type { border-bottom: 0; }
.explorer__tabs [role="tab"] span { color: rgba(255, 255, 255, .6); font-size: .68rem; }
.explorer__tabs [role="tab"]:hover { color: #fff; background: rgba(255, 255, 255, .03); }
.explorer__tabs [aria-selected="true"] { color: #fff; background: rgba(255, 255, 255, .05); }
.explorer__tabs [aria-selected="true"] span { color: var(--orange); }

.panel { display: grid; grid-template-columns: 1fr minmax(200px, 300px); gap: 40px; padding: clamp(28px, 4vw, 56px); align-items: center; min-height: 100%; }
.panel[hidden] { display: none; }
.panel.is-active .panel__body > * { animation: panelIn .6s var(--ease) both; }
.panel.is-active .panel__body > *:nth-child(2) { animation-delay: .06s; }
.panel.is-active .panel__body > *:nth-child(3) { animation-delay: .12s; }
.panel.is-active .panel__body > *:nth-child(4) { animation-delay: .18s; }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } }
.panel h3 { font-size: clamp(1.8rem, 3vw, 2.6rem); margin-bottom: 18px; font-stretch: 82%; }
.panel p { color: rgba(255, 255, 255, .72); max-width: 54ch; }
.ticks { display: grid; gap: 0; margin: 26px 0 32px; border-top: 1px solid var(--line-light); }
.ticks li { position: relative; padding: 12px 0 12px 30px; border-bottom: 1px solid var(--line-light); font-size: .98rem; color: rgba(255, 255, 255, .9); }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 50%; width: 12px; height: 2px; background: var(--orange); }
.ticks--cols { grid-template-columns: 1fr 1fr; column-gap: 28px; }
.ticks--cols li { font-size: .9rem; }

.panel__art { width: 100%; height: auto; overflow: visible; }
.panel__art path, .panel__art circle { fill: none; vector-effect: non-scaling-stroke; }
.ln-ground, .ln-ground path { stroke: rgba(255, 255, 255, .55); stroke-width: 1.5; }
.ln-struct, .ln-struct path { stroke: #fff; stroke-width: 2; }
.ln-piles path, .ln-piles circle { stroke: var(--orange); stroke-width: 3; }
.ln-rock, .ln-rock path { stroke: rgba(255, 255, 255, .3); stroke-width: 1.2; stroke-dasharray: 5 5; }
.ln-arrows path { stroke: var(--orange); stroke-width: 2; }
.panel.is-active .panel__art .ln-piles > * { stroke-dasharray: 400; animation: draw 1.4s .2s var(--ease) both; }
.panel.is-active .panel__art .ln-struct, .panel.is-active .panel__art .ln-struct > * { animation: fadeIn .8s both; }
@keyframes draw { from { stroke-dashoffset: 400; } to { stroke-dashoffset: 0; } }
@keyframes fadeIn { from { opacity: 0; } }

/* ==========================================================================
   MÉTODO
   ========================================================================== */
.method { background: var(--paper); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 1px; background: var(--ink); }
.step { position: relative; padding: 40px 28px 40px 0; transition: background .35s; }
.step + .step { padding-left: 28px; border-left: 1px solid var(--line); }
.step::before { content: ""; position: absolute; top: -6px; left: 0; width: 11px; height: 11px; background: var(--orange); transform: rotate(45deg); }
.step + .step::before { left: 28px; }
.step__n { display: block; color: var(--muted); margin-bottom: 44px; }
.step h3 { font-size: clamp(1.6rem, 2.4vw, 2.2rem); margin-bottom: 14px; font-stretch: 80%; }
.step p { color: var(--ink-2); font-size: .98rem; margin: 0; max-width: 32ch; }

/* ==========================================================================
   QSSA
   ========================================================================== */
.qssa { background: var(--navy-950); color: #fff; }
.qssa::before { content: ""; position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, transparent 0 63px, rgba(255, 255, 255, .03) 63px 64px); pointer-events: none; }
.qssa__inner { position: relative; display: grid; grid-template-columns: 1fr 1.15fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
.qssa__intro > p { color: rgba(255, 255, 255, .7); max-width: 44ch; margin-top: 24px; }
.qssa .section__title { font-size: clamp(2rem, 4vw, 3.4rem); }
.seal { width: 150px; margin-top: 40px; }
.seal svg text[font-size="10.5"] { transform-origin: 80px 80px; animation: spin 30s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.commit { border-top: 1px solid var(--line-light); }
.commit li { display: grid; grid-template-columns: 70px 1fr; gap: 20px; padding: 28px 0; border-bottom: 1px solid var(--line-light); }
.commit li span { color: var(--orange); padding-top: 6px; }
.commit li p { margin: 0; font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.5; color: rgba(255, 255, 255, .88); }

/* ==========================================================================
   PROJECTOS
   ========================================================================== */
.projects { background: var(--paper-2); }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-self: end; justify-content: flex-end; }
.filters button { padding: 9px 16px; background: transparent; border: 1px solid var(--line); border-radius: 100px; font-size: .86rem; font-weight: 500; color: var(--ink-2); transition: all .25s; }
.filters button:hover { border-color: var(--ink); color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.filters__count { width: 100%; text-align: right; color: var(--muted); margin-top: 6px; font-size: .66rem; }

.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.pcard { position: relative; display: flex; flex-direction: column; background: #fff; overflow: hidden; transition: transform .45s var(--ease), box-shadow .45s var(--ease); animation: cardIn .5s var(--ease) both; }
.pcard.is-hidden { display: none; }
.pcard:hover { transform: translateY(-4px); box-shadow: 0 24px 50px -24px rgba(11, 22, 38, .35); }
@keyframes cardIn { from { opacity: 0; transform: translateY(14px); } }
.pcard--feature { grid-column: span 2; }
.pcard--feature .pcard__art { aspect-ratio: auto; height: clamp(200px, 22vw, 320px); }
.pcard__art { max-height: 320px; }
.pcard__link::after { content: ""; position: absolute; inset: 0; z-index: 1; }
.pcard__link:focus-visible { outline: none; }
.pcard:has(.pcard__link:focus-visible) { outline: 2px solid var(--orange); outline-offset: 3px; }
.pcard:hover h3 { color: var(--orange-dk); }
.pcard h3 { transition: color .25s; }
.pcard--feature h3 { font-size: clamp(1.6rem, 2.6vw, 2.3rem); }

.pcard__art { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background-color: var(--navy-900); }
.pcard__art::before { content: ""; position: absolute; inset: 0; transition: transform .8s var(--ease); }
.pcard:hover .pcard__art::before { transform: scale(1.06); }
.pcard__art::after { content: ""; position: absolute; left: 28px; top: 0; width: 6px; height: 72%; background: var(--orange); box-shadow: 18px 0 0 -2px rgba(242, 106, 33, .45); transition: height .6s var(--ease); }
.pcard:hover .pcard__art::after { height: 86%; }
.pcard__art--a::before { background: linear-gradient(180deg, var(--navy-800) 0 30%, var(--soil-1) 30% 46%, var(--soil-3) 46% 66%, var(--soil-4) 66% 84%, var(--rock) 84%); }
.pcard__art--b::before { background: radial-gradient(rgba(255, 255, 255, .22) 1.2px, transparent 1.4px) 0 0 / 14px 14px, linear-gradient(160deg, var(--navy-800), var(--navy-950)); }
.pcard__art--c::before { background: repeating-linear-gradient(-45deg, transparent 0 10px, rgba(255, 255, 255, .06) 10px 11px), linear-gradient(180deg, #2a4d82 0 40%, var(--soil-2) 40% 58%, var(--soil-4) 58%); }
.pcard__art--d::before { background: repeating-radial-gradient(circle at 80% 120%, transparent 0 18px, rgba(255, 255, 255, .12) 18px 19px), linear-gradient(200deg, var(--soil-4), var(--rock)); }

.pcard__body { padding: 22px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.pcard__meta { display: flex; justify-content: space-between; color: var(--muted); font-size: .64rem; margin-bottom: 14px; }
.pcard__meta span:first-child { color: var(--orange-dk); }
.pcard h3 { font-size: 1.35rem; font-stretch: 88%; line-height: 1.1; margin-bottom: 10px; }
.pcard__tag { margin: auto 0 0; padding-top: 10px; font-size: .86rem; color: var(--ink-2); }

/* ==========================================================================
   CTA
   ========================================================================== */
.cta { position: relative; background: var(--rock); color: #fff; padding-block: clamp(80px, 9vw, 130px); overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px); background-size: 72px 36px, 72px 72px; background-position: 0 0, 36px 36px; }
.cta__inner { position: relative; display: flex; justify-content: space-between; align-items: end; gap: 40px; flex-wrap: wrap; }
.cta h2 { font-size: clamp(2.4rem, 5.6vw, 5rem); font-stretch: 76%; line-height: .98; }
.cta h2 em { font-style: normal; color: var(--orange); }

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contact { background: var(--paper); }
.contact__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
.contact__info > p { color: var(--ink-2); margin-top: 24px; max-width: 44ch; }
.contact__list { margin-top: 40px; border-top: 1px solid var(--ink); }
.contact__list li { display: grid; grid-template-columns: 110px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.contact__list .mono { color: var(--muted); }
.contact__list a, .contact__list address { font-family: var(--f-display); font-weight: 600; font-size: 1.15rem; font-style: normal; font-stretch: 95%; line-height: 1.35; }
.contact__list a:hover { color: var(--orange-dk); }

.form { background: #fff; padding: clamp(28px, 4vw, 52px); box-shadow: 0 30px 60px -40px rgba(11, 22, 38, .4); border-top: 3px solid var(--orange); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: flex; flex-direction: column; margin-bottom: 22px; }
.field label { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 12px 0; font: inherit; font-size: 1rem; color: var(--ink);
  background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0;
  transition: border-color .25s; appearance: none; -webkit-appearance: none;
}
.field select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230b1626' stroke-width='1.5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 4px center; background-size: 12px; padding-right: 24px; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--orange); box-shadow: 0 1px 0 var(--orange); }
.field [aria-invalid="true"] { border-color: var(--error); }
.field__error { min-height: 1.1em; margin-top: 6px; font-size: .78rem; color: var(--error); }
.form__foot { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; margin-top: 8px; }
.form__status { margin: 0; font-size: .9rem; color: var(--ink-2); }
.form.is-sending button { opacity: .6; pointer-events: none; }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer { position: relative; background: #081528; color: rgba(255, 255, 255, .74); font-size: .95rem; }
.footer__strata { position: relative; height: 90px; background: var(--paper); overflow: hidden; }
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-block: 64px 56px; }
.footer__word { font-family: var(--f-display); font-weight: 800; font-stretch: 80%; font-size: clamp(2.6rem, 5vw, 4rem); color: #fff; line-height: 1; letter-spacing: -.03em; margin-bottom: 16px; }
.footer__word b { color: var(--orange); }
.footer__brand p:last-child { max-width: 32ch; }
.footer__h { color: #fff; margin-bottom: 18px; font-size: .68rem; }
.footer ul li { padding: 5px 0; }
.footer a:hover { color: var(--orange); }
.footer__base { display: flex; justify-content: space-between; gap: 16px; padding-block: 24px 32px; border-top: 1px solid var(--line-light); font-size: .66rem; }

/* ==========================================================================
   PÁGINAS INTERNAS
   ========================================================================== */
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--navy-800); }
.more { display: flex; justify-content: center; margin-top: 48px; }

/* Breadcrumb */
.crumbs { margin-bottom: 28px; color: rgba(255, 255, 255, .72); font-size: .68rem; }
.crumbs ol { display: flex; flex-wrap: wrap; gap: 6px 10px; }
.crumbs li:not(:last-child)::after { content: "/"; margin-left: 10px; opacity: .5; }
.crumbs a:hover { color: var(--orange); }
.crumbs [aria-current] { color: #fff; }

/* Hero interno */
.phero {
  position: relative; overflow: hidden; color: #fff;
  background: radial-gradient(55% 80% at 85% 20%, rgba(26, 86, 176, .32), transparent 70%), var(--navy-950);
  padding-block: clamp(48px, 7vw, 100px) clamp(56px, 7vw, 96px);
}
.phero__inner { position: relative; display: grid; grid-template-columns: 1.3fr .7fr; gap: clamp(32px, 5vw, 80px); align-items: center; }
.phero__title { font-size: clamp(2.6rem, 6vw, 5.2rem); font-stretch: 78%; letter-spacing: -.03em; line-height: .96; margin-bottom: 24px; }
.phero__lead { font-size: clamp(1.05rem, 1.4vw, 1.2rem); color: rgba(255, 255, 255, .78); max-width: 60ch; font-weight: 300; margin-bottom: 32px; }
.phero .hero__cta { margin-bottom: 0; }
.phero__art { padding: 28px; border: 1px solid var(--line-light); background: rgba(255, 255, 255, .025); }
.phero__art .panel__art { max-width: none; }
.phero__art .ln-piles > * { stroke-dasharray: 400; animation: draw 1.6s .4s var(--ease) both; }

/* Ficha de projecto */
.facts { margin: 0; border-top: 2px solid var(--orange); background: rgba(255, 255, 255, .03); }
.facts div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line-light); }
.facts dt { color: rgba(255, 255, 255, .68); font-size: .64rem; padding-top: 3px; }
.facts dd { margin: 0; font-family: var(--f-display); font-weight: 600; font-stretch: 95%; }
.pcover { height: clamp(180px, 26vw, 380px); position: relative; }
.pcover::before { content: ""; position: absolute; inset: 0; }

/* Ícones de serviço em fundo claro */
.scard__art .ln-ground, .scard__art .ln-ground path, .svc-used__art .ln-ground, .svc-used__art .ln-ground path { stroke: rgba(11, 22, 38, .45); }
.scard__art .ln-struct, .scard__art .ln-struct path, .svc-used__art .ln-struct, .svc-used__art .ln-struct path { stroke: var(--ink); }
.scard__art .ln-rock, .scard__art .ln-rock path, .svc-used__art .ln-rock, .svc-used__art .ln-rock path { stroke: rgba(11, 22, 38, .3); }
.scard__art path, .scard__art circle, .svc-used__art path, .svc-used__art circle { fill: none; vector-effect: non-scaling-stroke; }
.scard__art .ln-piles > *, .svc-used__art .ln-piles > * { stroke: var(--orange); stroke-width: 3; }

/* Grelha de serviços */
.sgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.scard { background: var(--paper); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.scard__link { position: relative; display: flex; flex-direction: column; height: 100%; padding: 32px; transition: background .35s var(--ease); }
.scard__link:hover { background: #fff; }
.scard__n { color: var(--muted); }
.scard__art { width: 140px; height: auto; margin: 22px 0 28px; transition: transform .5s var(--ease); }
.scard__link:hover .scard__art { transform: translateY(-4px); }
.scard h2 { font-size: clamp(1.5rem, 2.2vw, 1.9rem); font-stretch: 82%; margin-bottom: 12px; }
.scard p { color: var(--ink-2); font-size: .98rem; }
.scard__more { margin-top: auto; padding-top: 16px; display: inline-flex; align-items: center; gap: 8px; color: var(--orange-dk); }
.scard__more svg { width: 16px; transition: transform .3s var(--ease); }
.scard__link:hover .scard__more svg { transform: translateX(4px); }

/* Técnicas */
.tgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.tgrid li { padding: 28px; background: #fff; border-top: 3px solid var(--ink); transition: border-color .3s, transform .4s var(--ease); }
.tgrid li:hover { border-color: var(--orange); transform: translateY(-3px); }
.tgrid span { color: var(--orange-dk); }
.tgrid h3 { margin-top: 28px; font-size: 1.3rem; font-stretch: 88%; line-height: 1.15; }

/* Aplicações */
.apps { background: var(--navy-900); color: #fff; }
.apps .eyebrow { color: rgba(255, 255, 255, .75); }
.apps .eyebrow__code { background: var(--orange); color: #fff; }
.apps__inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.apps__list { border-top: 1px solid var(--line-light); }
.apps__list li { padding: 22px 0 22px 36px; border-bottom: 1px solid var(--line-light); position: relative; font-family: var(--f-display); font-weight: 600; font-size: clamp(1.15rem, 1.8vw, 1.45rem); font-stretch: 90%; }
.apps__list li::before { content: ""; position: absolute; left: 0; top: 50%; width: 18px; height: 2px; background: var(--orange); }

/* Outros serviços */
.others { padding-block: clamp(64px, 7vw, 100px); }
.others__list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink); }
.others__list a { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 4px; border-bottom: 1px solid var(--line); font-family: var(--f-display); font-weight: 600; font-size: 1.15rem; font-stretch: 92%; transition: color .25s, padding .35s var(--ease); }
.others__list li:not(:nth-child(3n + 1)) a { padding-left: 24px; border-left: 1px solid var(--line); }
.others__list svg { width: 18px; flex-shrink: 0; transition: transform .3s var(--ease); }
.others__list a:hover { color: var(--orange-dk); }
.others__list a:hover svg { transform: translateX(4px); }

/* Serviços executados (projecto) */
.svc-used { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.svc-used__item { display: grid; grid-template-columns: 120px 1fr; gap: 28px; padding: 32px; background: #fff; align-items: start; }
.svc-used__art { width: 100%; height: auto; }
.svc-used__item h3 { font-size: 1.5rem; font-stretch: 85%; margin-bottom: 10px; }
.svc-used__item p { color: var(--ink-2); font-size: .98rem; }

/* Cartões com fotografia */
.pcard__art img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .6s; filter: saturate(.92); }
.pcard__art.has-photo::before { z-index: 1; background: linear-gradient(180deg, rgba(6, 20, 40, 0) 45%, rgba(6, 20, 40, .55)); }
.pcard__art.has-photo::after { z-index: 2; }
.pcard:hover .pcard__art img { transform: scale(1.06); filter: saturate(1.05); }
.pcard__count { position: absolute; right: 14px; bottom: 12px; z-index: 2; color: #fff; font-size: .62rem; padding: 4px 8px; background: rgba(6, 20, 40, .6); backdrop-filter: blur(4px); }

/* Galeria do projecto (mosaico) */
.gallery { background: var(--navy-950); padding-block: 0 clamp(48px, 6vw, 80px); margin-top: -1px; }
.gallery__grid { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: clamp(140px, 14vw, 220px); gap: 8px; }
.gallery__item { position: relative; overflow: hidden; background: var(--navy-800); cursor: zoom-in; }
.gallery__item:first-child { grid-column: span 2; grid-row: span 2; }
.gallery__grid--n1 { grid-template-columns: 1fr; grid-auto-rows: clamp(260px, 40vw, 560px); }
.gallery__grid--n1 .gallery__item:first-child { grid-column: auto; grid-row: auto; }
.gallery__grid--n2 { grid-template-columns: 1fr 1fr; grid-auto-rows: clamp(220px, 30vw, 440px); }
.gallery__grid--n2 .gallery__item:first-child, .gallery__grid--n3 .gallery__item:first-child { grid-row: auto; grid-column: auto; }
.gallery__grid--n3 { grid-template-columns: 2fr 1fr 1fr; grid-auto-rows: clamp(220px, 26vw, 400px); }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), opacity .3s; }
.gallery__item:hover img { transform: scale(1.04); }
.gallery__item::after { content: "+"; position: absolute; right: 12px; bottom: 10px; width: 34px; height: 34px; display: grid; place-items: center; background: var(--orange); color: #fff; font-size: 1.3rem; opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s var(--ease); }
.gallery__item:hover::after, .gallery__item:focus-visible::after { opacity: 1; transform: none; }
.gallery__meta { margin: 14px 0 0; color: rgba(255, 255, 255, .7); font-size: .64rem; }

/* Sobre o projecto */
.pabout__grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.pabout__grid > div > p:not(.lead):not(.eyebrow) { color: var(--ink-2); max-width: 62ch; }
.figures { margin: 0; display: grid; gap: 0; border-top: 3px solid var(--orange); }
.figures div { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.figures dd { margin: 0; order: 2; font-family: var(--f-display); font-weight: 800; font-stretch: 75%; font-size: clamp(2.2rem, 4vw, 3.2rem); line-height: 1; letter-spacing: -.02em; }
.figures dt { color: var(--muted); font-size: .68rem; }
.story__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: clamp(48px, 6vw, 80px); border-top: 1px solid var(--ink); }
.story__grid > div { padding: 28px 28px 0 0; }
.story__grid > div + div { padding-left: 28px; border-left: 1px solid var(--line); }
.story__grid span { color: var(--orange-dk); }
.story__grid p { margin-top: 14px; font-size: 1.08rem; }

/* Lightbox */
.lb { position: fixed; inset: 0; z-index: 200; display: grid; grid-template-columns: 72px 1fr 72px; align-items: center; background: rgba(4, 12, 26, .96); opacity: 0; transition: opacity .25s; }
.lb.is-open { opacity: 1; }
.lb__fig { margin: 0; height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 56px 0 24px; }
.lb__img { max-width: 100%; max-height: calc(100vh - 120px); object-fit: contain; transition: opacity .25s; }
.lb.is-loading .lb__img { opacity: .2; }
.lb__cap { margin-top: 14px; color: rgba(255, 255, 255, .75); }
.lb__btn { width: 52px; height: 52px; justify-self: center; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .2); color: #fff; font-size: 1.8rem; line-height: 1; border-radius: 50%; transition: background .2s; }
.lb__btn:hover { background: var(--orange); border-color: var(--orange); }
.lb__close { position: absolute; top: 16px; right: 16px; font-size: 1.6rem; }

.projects__bar { display: flex; justify-content: flex-end; margin-bottom: 40px; }
.projects__bar .filters { justify-self: auto; }

/* ---------- WhatsApp flutuante ---------- */
.wa {
  position: fixed; right: 20px; bottom: 20px; z-index: 45;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px 12px 14px; border-radius: 100px;
  background: #1f8f4e; color: #fff; font-family: var(--f-display); font-weight: 650; font-size: .92rem;
  box-shadow: 0 14px 30px -12px rgba(0, 0, 0, .45);
  opacity: 0; transform: translateY(16px) scale(.96); pointer-events: none;
  transition: opacity .35s var(--ease), transform .35s var(--ease), background .25s;
}
.wa.is-visible { opacity: 1; transform: none; pointer-events: auto; }
.wa:hover { background: #17733e; }
.wa svg { width: 24px; height: 24px; }

/* ---------- Anexos ---------- */
.field__label { font-family: var(--f-mono); font-size: .68rem; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-2); margin-bottom: 8px; }
.field__label small { text-transform: none; letter-spacing: 0; font-family: var(--f-body); font-size: .78rem; color: var(--muted); }
.drop { position: relative; }
.drop__input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop__zone {
  display: flex; align-items: center; justify-content: center; gap: 12px; padding: 22px;
  border: 1.5px dashed rgba(11, 22, 38, .28); background: var(--paper);
  color: var(--ink-2); font-size: .92rem; cursor: pointer; text-align: center;
  transition: border-color .25s, background .25s;
}
.drop__zone svg { width: 22px; height: 22px; flex-shrink: 0; color: var(--orange-dk); }
.drop__zone:hover, .drop.is-over .drop__zone { border-color: var(--orange); background: #fff6f0; }
.drop__input:focus-visible + .drop__zone { outline: 2px solid var(--orange); outline-offset: 3px; }
.drop__list li { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .9rem; }
.drop__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drop__size { color: var(--muted); font-size: .64rem; }
.drop__remove { width: 28px; height: 28px; border: 1px solid var(--line); background: none; border-radius: 50%; line-height: 1; color: var(--ink-2); }
.drop__remove:hover { border-color: var(--error); color: var(--error); }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__status[data-tone="ok"] { color: #1f7a45; }
.form__status[data-tone="error"] { color: var(--error); }
.btn:disabled { opacity: .6; cursor: progress; }

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width: 1100px) {
  .hero__inner { grid-template-columns: 1fr; }
  .borelog { max-width: 560px; }
  .panel { grid-template-columns: 1fr; }
  .panel__art { max-width: 260px; order: -1; }
  .steps { grid-template-columns: 1fr 1fr; }
  .step:nth-child(3) { padding-left: 0; border-left: 0; }
  .step:nth-child(3)::before { left: 0; }
  .step:nth-child(n+3) { border-top: 1px solid var(--line); }
  .pgrid { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 960px) {
  .nav-toggle { display: block; }
  .header__actions .btn--ghost { display: none; }
  .nav {
    /* absoluto (não fixed): o backdrop-filter do header cria o bloco de contenção */
    position: absolute; top: 100%; left: 0; right: 0;
    height: 100dvh; overflow-y: auto;
    background: var(--navy-950); padding: 32px var(--gutter);
    border-top: 1px solid var(--line-light);
    opacity: 0; visibility: hidden; transform: translateY(-12px);
    transition: opacity .35s var(--ease), transform .35s var(--ease), visibility .35s;
  }
  .header.is-open .nav { opacity: 1; visibility: visible; transform: none; }
  .nav__list { flex-direction: column; gap: 0; }
  .nav__list a { padding: 18px 0; font-family: var(--f-display); font-size: 1.8rem; font-weight: 700; font-stretch: 85%; border-bottom: 1px solid var(--line-light); }
  .nav__list a::after { display: none; }

  .section__head--split { grid-template-columns: 1fr; align-items: start; }
  .section__intro, .filters { justify-self: start; justify-content: flex-start; }
  .filters__count { text-align: left; }
  .about__grid, .qssa__inner, .contact__grid, .phero__inner, .apps__inner { grid-template-columns: 1fr; }
  .phero__art { max-width: 380px; }
  .others__list { grid-template-columns: 1fr 1fr; }
  .others__list li a { padding-left: 4px !important; border-left: 0 !important; }
  .story__grid { grid-template-columns: 1fr; }
  .story__grid > div, .story__grid > div + div { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .pabout__grid { grid-template-columns: 1fr; }
  .gallery__grid, .gallery__grid--n3 { grid-template-columns: 1fr 1fr; grid-auto-rows: clamp(130px, 30vw, 240px); }
  .gallery__grid--n3 .gallery__item:first-child { grid-column: span 2; }
  .projects__bar { justify-content: flex-start; }

  .explorer { grid-template-columns: 1fr; }
  .explorer__tabs { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line-light); scrollbar-width: none; }
  .explorer__tabs::-webkit-scrollbar { display: none; }
  .explorer__tabs [role="tab"] { flex: 0 0 auto; border-bottom: 0; border-right: 1px solid var(--line-light); padding: 16px 18px; font-size: .95rem; }
  .explorer__tabs [aria-selected="true"] { box-shadow: inset 0 -3px 0 var(--orange); }
  .explorer__indicator { display: none; }
}

@media (max-width: 680px) {
  body { font-size: 1rem; }
  .topbar__meta, .topbar__links li:nth-child(2) { display: none; }
  .topbar__inner { justify-content: flex-end; }
  .header__actions .btn--accent { display: none; }
  .brand__tag { display: none; }
  .hero__stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .hero__stats dt { font-size: .56rem; }
  .hero__foot span { display: none; }
  .ticks--cols { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step, .step + .step { padding: 32px 0; border-left: 0; }
  .step + .step { border-top: 1px solid var(--line); }
  .step + .step::before { left: 0; }
  .step__n { margin-bottom: 20px; }
  .pgrid { grid-template-columns: 1fr; }
  .pcard--feature { grid-column: auto; }
  .pcard--feature .pcard__art { aspect-ratio: 16 / 10; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .contact__list li { grid-template-columns: 1fr; gap: 4px; }
  .commit li { grid-template-columns: 1fr; gap: 6px; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; }
  .values__list li { gap: 14px; }
  .others__list { grid-template-columns: 1fr; }
  .svc-used__item { grid-template-columns: 1fr; }
  .svc-used__art { max-width: 120px; }
  .facts div { grid-template-columns: 96px 1fr; }
  .wa { right: 14px; bottom: 14px; padding: 13px; }
  .wa span { display: none; }
  .lb { grid-template-columns: 1fr; }
  .lb__prev, .lb__next { position: absolute; bottom: 20px; }
  .lb__prev { left: 20px; }
  .lb__next { right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  html { scroll-behavior: auto; }
}