/* ════════════════════════════════════════════════════════════════
   IRONPINE CONSTRUCTION — homepage styles
   Charcoal #1F252B · Deep Pine #264038 · Warm White #F4F1EB · Iron Orange #F05A28
   Type: Archivo (display + body) · JetBrains Mono (labels)
   ════════════════════════════════════════════════════════════════ */

:root {
  --charcoal: #1F252B;
  --charcoal-2: #161a1f;
  --pine: #264038;
  --pine-2: #1d3029;
  --paper: #F4F1EB;
  --paper-2: #EBE7DD;
  --iron: #F05A28;
  --iron-d: #d84a1c;
  --ink: #1F252B;
  --ink-soft: #4c545b;
  --ink-faint: #8a9099;
  --line: rgba(31, 37, 43, 0.14);
  --line-d: rgba(255, 255, 255, 0.14);

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

  --wrap: 1240px;
  --pad: clamp(20px, 5vw, 72px);
  --nav-h: 76px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ── Shared type ── */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--iron);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; background: var(--iron); display: inline-block; }
.eyebrow.center { justify-content: center; }
.eyebrow.on-dark { color: var(--iron); }

h1, h2, h3 { font-weight: 800; letter-spacing: -0.025em; line-height: 1.04; margin: 0; }
.h-xl { font-size: clamp(2.7rem, 6.2vw, 5.1rem); }
.h-lg { font-size: clamp(2rem, 4.2vw, 3.3rem); }
.h-md { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.3rem); color: var(--ink-soft); line-height: 1.6; }
.muted { color: var(--ink-soft); }

/* ── Buttons ── */
.btn {
  --bg: var(--iron); --fg: #fff; --bd: var(--iron);
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font); font-weight: 700; font-size: 15px; letter-spacing: 0.01em;
  padding: 15px 28px; border: 2px solid var(--bd); border-radius: 2px;
  background: var(--bg); color: var(--fg); cursor: pointer;
  transition: transform .18s cubic-bezier(.2,.7,.3,1), background .18s, color .18s, box-shadow .18s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(240,90,40,.28); background: var(--iron-d); border-color: var(--iron-d); }
.btn .arrow { transition: transform .2s; }
.btn:hover .arrow { transform: translateX(4px); }
.btn--ghost { --bg: transparent; --fg: var(--ink); --bd: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); box-shadow: none; border-color: var(--ink); }
.btn--ghost-light { --bg: transparent; --fg: #fff; --bd: rgba(255,255,255,.5); }
.btn--ghost-light:hover { background: #fff; color: var(--ink); box-shadow: none; border-color: #fff; }
.btn--sm { padding: 11px 20px; font-size: 14px; }
.btn--block { width: 100%; justify-content: center; }

/* ════════════ NAV ════════════ */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50; height: var(--nav-h);
  display: flex; align-items: center;
  transition: background .3s, box-shadow .3s, height .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.nav--solid { background: rgba(22,26,31,.92); backdrop-filter: blur(12px); border-bottom-color: var(--line-d); box-shadow: 0 6px 24px rgba(0,0,0,.18); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .wordmark { font-weight: 800; font-size: 22px; letter-spacing: -0.01em; color: #fff; }
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-size: 15px; font-weight: 500; color: rgba(255,255,255,.86); position: relative; padding: 4px 0; }
.nav-links a::after { content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px; background:var(--iron); transition:right .25s; }
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { right: 0; }
.nav-cta { display: flex; align-items: center; gap: 18px; }
.nav-phone { font-family: var(--mono); font-size: 13px; color: rgba(255,255,255,.7); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: #fff; transition: transform .25s, opacity .2s; }
body.menu-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .hamburger span:nth-child(2) { opacity: 0; }
body.menu-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 45; background: var(--charcoal);
  display: flex; flex-direction: column; justify-content: center; gap: 8px;
  padding: var(--pad); transform: translateX(100%); transition: transform .35s cubic-bezier(.2,.7,.3,1);
}
body.menu-open .drawer { transform: translateX(0); }
.drawer a { font-size: clamp(1.8rem, 8vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; color: #fff; padding: 8px 0; border-bottom: 1px solid var(--line-d); }
.drawer a .n { font-family: var(--mono); font-size: .9rem; color: var(--iron); margin-right: 14px; font-weight: 500; vertical-align: middle; }
.drawer .btn { margin-top: 26px; }

/* ════════════ HERO ════════════ */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: flex-end;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(240,90,40,.22), transparent 46%),
    radial-gradient(100% 80% at 12% 100%, rgba(38,64,56,.7), transparent 55%),
    linear-gradient(160deg, #2b333b 0%, var(--charcoal) 42%, var(--charcoal-2) 100%);
  overflow: hidden;
}
.hero__slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero__scrim {
  position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, rgba(22,26,31,.72) 0%, rgba(22,26,31,.5) 45%, rgba(22,26,31,.12) 80%),
    linear-gradient(180deg, rgba(22,26,31,.6) 0%, rgba(22,26,31,.3) 32%, rgba(22,26,31,.7) 72%, rgba(22,26,31,.94) 100%);
}
.hero__grid { position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent); }
.hero__inner { position: relative; z-index: 2; padding-top: calc(var(--nav-h) + 40px); padding-bottom: clamp(48px, 8vh, 110px); pointer-events: none; }
.hero__inner > * { pointer-events: auto; }
.hero h1 { color: #fff; max-width: 16ch; }
.hero h1 .accent { color: var(--iron); }
.hero p { color: rgba(255,255,255,.82); max-width: 46ch; margin: 24px 0 0; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; pointer-events: auto; }
.hero__hint { position: absolute; top: calc(var(--nav-h) + 22px); right: var(--pad); z-index: 2;
  font-family: var(--mono); font-size: 11px; letter-spacing: .04em; color: rgba(255,255,255,.55);
  display: inline-flex; align-items: center; gap: 8px; pointer-events: none; }
.hero__hint svg { opacity: .7; }
.scrollcue { position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%); z-index: 2;
  font-family: var(--mono); font-size: 10px; letter-spacing: .25em; color: rgba(255,255,255,.6);
  display: flex; flex-direction: column; align-items: center; gap: 8px; }
.scrollcue .bar { width: 1px; height: 38px; background: linear-gradient(rgba(255,255,255,.5), transparent); animation: cue 2.2s ease-in-out infinite; transform-origin: top; }
@keyframes cue { 0%,100% { transform: scaleY(.4); opacity:.4 } 50% { transform: scaleY(1); opacity:1 } }

/* ════════════ TRUST STRIP ════════════ */
.trust { background: var(--charcoal); border-top: 1px solid var(--line-d); }
.trust .wrap { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-top: 22px; padding-bottom: 22px; }
.trust__tag { font-family: var(--mono); font-size: 12px; letter-spacing: .14em; color: rgba(255,255,255,.55); }
.trust__stats { display: flex; gap: clamp(24px, 5vw, 60px); }
.stat { display: flex; flex-direction: column; }
.stat b { font-size: 1.5rem; font-weight: 800; color: #fff; letter-spacing: -0.02em; }
.stat span { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; color: rgba(255,255,255,.5); }

/* ════════════ SECTION SHELL ════════════ */
section { position: relative; }
.section { padding: clamp(64px, 9vw, 130px) 0; }
.section--dark { background: var(--charcoal); color: #fff; }
.section--pine { background: var(--pine); color: #fff; }
.section__head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section__head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section--dark .lead, .section--pine .lead { color: rgba(255,255,255,.72); }
.row-between { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.link-arrow { font-weight: 700; color: var(--iron); display: inline-flex; align-items: center; gap: 8px; font-size: 15px; }
.link-arrow .arrow { transition: transform .2s; }
.link-arrow:hover .arrow { transform: translateX(4px); }

/* ════════════ SERVICES ════════════ */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(16px, 1.6vw, 24px); }
.svc {
  background: var(--paper); border: 1px solid var(--line); border-radius: 3px; overflow: hidden;
  display: flex; flex-direction: column; transition: transform .22s, box-shadow .22s, border-color .22s;
}
.svc:hover { transform: translateY(-4px); box-shadow: 0 18px 40px rgba(31,37,43,.13); border-color: rgba(31,37,43,.28); }
.svc image-slot { width: 100%; height: 200px; }
.svc__body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.svc__num { font-family: var(--mono); font-size: 12px; color: var(--iron); letter-spacing: .08em; }
.svc h3 { font-size: 1.3rem; margin: 8px 0 8px; }
.svc p { margin: 0 0 18px; font-size: 15px; color: var(--ink-soft); line-height: 1.6; }
.svc__foot { margin-top: auto; font-family: var(--mono); font-size: 12px; letter-spacing: .06em; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.svc:hover .svc__foot { color: var(--iron); }

/* ════════════ SPOTLIGHT ════════════ */
.spot { display: grid; grid-template-columns: 1.15fr .85fr; align-items: stretch; }
.spot__media { position: relative; min-height: 440px; }
.spot__media image-slot { position: absolute; inset: 0; width: 100%; height: 100%; }
.spot__body { padding: clamp(36px, 5vw, 72px); display: flex; flex-direction: column; justify-content: center; }
.spot__body h2 { color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 30px; }
.chip { font-family: var(--mono); font-size: 12px; letter-spacing: .04em; padding: 7px 14px; border: 1px solid var(--line-d); border-radius: 30px; color: rgba(255,255,255,.85); }

/* ════════════ PROJECTS ════════════ */
#projects { background: var(--paper-2); }
.proj { display: grid; grid-template-columns: .8fr 1.6fr; gap: clamp(24px, 3.5vw, 56px); align-items: start; }
.proj + .proj { margin-top: clamp(56px, 7vw, 96px); padding-top: clamp(56px, 7vw, 96px); border-top: 1px solid var(--line); }
.proj--flip { grid-template-columns: 1.6fr .8fr; }
.proj--flip .proj__info { order: 2; }
.proj__info { position: sticky; top: calc(var(--nav-h) + 24px); }
.proj__num { font-family: var(--mono); font-size: 12px; color: var(--iron); letter-spacing: .1em; }
.proj h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); line-height: 1.15; margin: 10px 0 14px; }
.proj p { margin: 0 0 22px; color: var(--ink-soft); font-size: 16px; }
.proj__tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.proj__tags li { font-family: var(--mono); font-size: 11px; letter-spacing: .04em; padding: 6px 12px; border: 1px solid var(--line); border-radius: 30px; color: var(--ink-soft); }
.proj__gallery { display: grid; grid-template-columns: repeat(var(--cols, 4), 1fr); gap: 10px; }
.proj__ph { padding: 0; border: 0; background: var(--charcoal); cursor: zoom-in; overflow: hidden; aspect-ratio: 4 / 3; }
.proj__ph--main { grid-column: 1 / -1; aspect-ratio: 16 / 10; }
.proj__ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s cubic-bezier(.2,.7,.3,1), opacity .2s; }
.proj__ph:hover img { transform: scale(1.04); }
.proj__ph:focus-visible { outline: 3px solid var(--iron); outline-offset: 2px; }

.lightbox { border: 0; padding: 0; background: transparent; max-width: 100vw; max-height: 100vh; width: 100vw; height: 100vh; }
.lightbox::backdrop { background: rgba(10, 12, 14, .92); }
.lightbox[open] { display: flex; align-items: center; justify-content: center; }
.lightbox img { max-width: calc(100vw - 32px); max-height: calc(100vh - 120px); object-fit: contain; }
.lightbox__btn { position: absolute; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line-d); background: rgba(31,37,43,.7); color: #fff; font-size: 22px; line-height: 1; cursor: pointer; }
.lightbox__btn:hover { background: var(--iron); border-color: var(--iron); }
.lightbox__close { top: 16px; right: 16px; font-size: 28px; }
.lightbox__prev { left: 16px; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 16px; top: 50%; transform: translateY(-50%); }

/* ════════════ PROCESS ════════════ */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(18px, 2vw, 32px); }
.step { border-top: 3px solid var(--iron); padding-top: 20px; }
.step__n { font-family: var(--mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-faint); }
.step h3 { font-size: 1.3rem; margin: 10px 0 12px; }
.step p { margin: 0; font-size: 15px; color: var(--ink-soft); line-height: 1.6; }

/* ════════════ VALUES (pine) ════════════ */
.values { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px, 2.4vw, 40px); }
.value h3 { font-size: 1.2rem; color: #fff; margin: 0 0 10px; }
.value p { margin: 0; color: rgba(255,255,255,.7); font-size: 15px; }
.value .vnum { font-family: var(--mono); font-size: 12px; color: var(--iron); letter-spacing: .1em; display: block; margin-bottom: 14px; }

/* ════════════ CONTACT ════════════ */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(36px, 5vw, 72px); align-items: start; }
.contact__aside h2 { color: #fff; }
.contact__lines { margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.cline { display: flex; align-items: center; gap: 16px; }
.cline .k { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--iron); width: 72px; flex: none; }
.cline .v { font-size: 1.05rem; font-weight: 600; color: #fff; }
.form { background: var(--paper); border-radius: 4px; padding: clamp(24px, 3vw, 36px); }
.form .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.field label { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.field input, .field textarea, .field select {
  font-family: var(--font); font-size: 15px; color: var(--ink); background: #fff;
  border: 1.5px solid var(--line); border-radius: 2px; padding: 12px 14px; width: 100%;
  transition: border-color .18s, box-shadow .18s;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--iron); box-shadow: 0 0 0 3px rgba(240,90,40,.14); }
.field.invalid input, .field.invalid textarea { border-color: #c0392b; }
.form__note { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); margin: 4px 0 18px; }
.form__success { display: none; text-align: center; padding: 30px 10px; }
.form__success .tick { width: 56px; height: 56px; border-radius: 50%; background: var(--pine); color: #fff; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 26px; }
.form__success h3 { font-size: 1.5rem; margin-bottom: 8px; }
.form.sent .form__inner { display: none; }
.form.sent .form__success { display: block; }

/* ════════════ FOOTER ════════════ */
.footer { background: var(--charcoal-2); color: #fff; }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-top: 64px; padding-bottom: 48px; }
.footer p { color: rgba(255,255,255,.6); font-size: 15px; max-width: 30ch; }
.footer h4 { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--iron); margin: 0 0 16px; font-weight: 500; }
.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { color: rgba(255,255,255,.72); font-size: 15px; }
.footer ul a:hover { color: #fff; }
.footer__bar { border-top: 1px solid var(--line-d); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; padding-top: 22px; padding-bottom: 30px; }
.footer__bar span { font-family: var(--mono); font-size: 11px; color: rgba(255,255,255,.45); letter-spacing: .06em; }

/* ════════════ REVEAL ════════════ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s cubic-bezier(.2,.7,.3,1), transform .7s cubic-bezier(.2,.7,.3,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .08s; }
.reveal[data-d="2"] { transition-delay: .16s; }
.reveal[data-d="3"] { transition-delay: .24s; }
.reveal[data-d="4"] { transition-delay: .32s; }
.reveal[data-d="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ════════════ RESPONSIVE ════════════ */
@media (max-width: 1000px) {
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .values { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .spot { grid-template-columns: 1fr; }
  .spot__media { min-height: 320px; }
  .proj, .proj--flip { grid-template-columns: 1fr; }
  .proj--flip .proj__info { order: 0; }
  .proj__info { position: static; }
  .footer__top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .nav-links, .nav-phone { display: none; }
  .hamburger { display: flex; }
  .nav-cta .btn { display: none; }
  .hero__hint { display: none; }
  .svc-grid { grid-template-columns: 1fr; }
  .contact { grid-template-columns: 1fr; }
  .form .grid2 { grid-template-columns: 1fr; }
  .trust__tag { width: 100%; }
  .footer__top { grid-template-columns: 1fr 1fr; gap: 28px; }
  .lightbox__prev, .lightbox__next { top: auto; bottom: 20px; transform: none; }
}
@media (max-width: 480px) {
  .values, .steps, .footer__top { grid-template-columns: 1fr; }
}