/* ==========================================================================
   Abel Lead Infrastructure Development Inc.
   Premium construction & civil-works site - warm black + gold.
   Big Shoulders Display / Overpass / Overpass Mono.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg:      oklch(0.165 0.010 65);   /* warm near-black */
  --bg-2:    oklch(0.205 0.012 65);   /* raised panels */
  --bg-3:    oklch(0.125 0.008 62);

  --light:      oklch(0.895 0.006 85);  /* warm off-white section */
  --light-ink:  oklch(0.255 0.010 60);
  --light-rule: oklch(0.72 0.006 82);
  --light-mute: oklch(0.45 0.008 70);

  --text:   oklch(0.94 0.010 88);
  --text-2: oklch(0.72 0.012 84);
  --text-3: oklch(0.60 0.012 82);

  --gold:    oklch(0.78 0.10 85);
  --gold-lo: oklch(0.60 0.08 80);
  --gold-hi: oklch(0.88 0.07 90);
  --gold-25: color-mix(in oklch, var(--gold) 25%, transparent);
  --gold-45: color-mix(in oklch, var(--gold) 45%, transparent);
  --hair:    color-mix(in oklch, var(--text) 14%, transparent);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --pad-x: clamp(22px, 5vw, 64px);
  --maxw: 1200px;
  --fs-body: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ul { list-style: none; }
::selection { background: var(--gold); color: var(--bg); }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Overpass", system-ui, sans-serif;
  font-size: var(--fs-body);
  font-weight: 360;
  line-height: 1.62;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.menu-open { overflow: hidden; }

/* ---------- Type ---------- */
h1, h2, h3 { font-family: "Big Shoulders Display", "Overpass", sans-serif; text-transform: uppercase; font-weight: 700; line-height: 0.96; letter-spacing: 0.006em; }
h1 { font-size: clamp(2.9rem, 1.6rem + 6vw, 6.3rem); }
h2 { font-size: clamp(2rem, 1.3rem + 3.2vw, 3.7rem); }
h3 { font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.9rem); }
.gold-word { color: var(--gold); }

.eyebrow {
  font-family: "Overpass Mono", monospace;
  font-size: 0.735rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold); font-weight: 500;
  display: inline-flex; align-items: center; gap: 0.7em;
}
.eyebrow::before { content: ""; width: 1.8em; height: 1px; background: var(--gold-45); }
.eyebrow.center { justify-content: center; }
.eyebrow.center::after { content: ""; width: 1.8em; height: 1px; background: var(--gold-45); }

.lead {
  font-size: clamp(1.08rem, 1rem + 0.5vw, 1.3rem);
  line-height: 1.6; color: var(--text-2); max-width: 60ch; font-weight: 350;
}
.lead strong { color: var(--text); font-weight: 600; }
p { max-width: 68ch; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }
.band { padding-block: clamp(4rem, 8vw, 7.5rem); }
.band-tight { padding-block: clamp(2.6rem, 5vw, 4.5rem); }
.divider { border: 0; border-top: 1px solid var(--hair); }
.sec-head { max-width: 62ch; margin-bottom: clamp(2rem, 4vw, 3rem); }
.sec-head .eyebrow { margin-bottom: 1.2rem; }
.sec-head h2 { margin-bottom: 1.1rem; }
.center-head { text-align: center; margin-inline: auto; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklch, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px) saturate(1.1);
  border-bottom: 1px solid var(--hair);
}
.nav-inner {
  max-width: var(--maxw); margin-inline: auto;
  padding: 0.7rem var(--pad-x);
  display: flex; align-items: center; gap: clamp(1rem, 3vw, 2.4rem);
}
.brand { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
.brand img { height: 40px; width: auto; }
.brand .wm { display: flex; flex-direction: column; line-height: 1; }
.brand .wm b { font-family: "Big Shoulders Display", sans-serif; text-transform: uppercase; font-weight: 700; font-size: 1.1rem; letter-spacing: 0.09em; color: var(--text); }
.brand .wm small { font-family: "Overpass", sans-serif; font-size: 0.56rem; letter-spacing: 0.18em; color: var(--text-3); text-transform: uppercase; margin-top: 3px; }

.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2rem); margin-left: auto; }
.nav-links a {
  position: relative; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--text-2); padding: 0.4rem 0; transition: color 0.3s var(--ease);
}
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -1px; height: 1px; width: 0; background: var(--gold); transition: width 0.35s var(--ease); }
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--text); }

/* ---------- Buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 0.6em; font-family: "Overpass", sans-serif; text-transform: uppercase; letter-spacing: 0.09em; font-weight: 600; font-size: 0.82rem; padding: 0.85em 1.4em; border-radius: 2px; transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease); }
.btn svg { width: 13px; height: 13px; }
.btn-gold { background: var(--gold); color: var(--bg); box-shadow: 0 1px 0 var(--gold-hi) inset, 0 10px 24px -14px oklch(0 0 0 / 0.8); }
.btn-gold:hover { background: var(--gold-hi); transform: translateY(-2px); box-shadow: 0 1px 0 var(--gold-hi) inset, 0 16px 30px -16px oklch(0 0 0 / 0.8); }
.btn-line { color: var(--text); border: 1px solid var(--gold-45); }
.btn-line:hover { border-color: var(--gold); color: var(--gold-hi); }
.on-light .btn-line { color: var(--light-ink); border-color: var(--light-mute); }
.on-light .btn-line:hover { border-color: var(--gold-lo); color: var(--gold-lo); }
.nav .btn-gold { padding: 0.62em 1.1em; font-size: 0.72rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.actions.center { justify-content: center; }

/* ---------- Mobile menu ---------- */
.menu-btn { display: none; width: 44px; height: 44px; margin-left: auto; position: relative; z-index: 92; }
.menu-btn span { position: absolute; left: 10px; right: 10px; height: 1.5px; background: var(--text); transition: transform 0.4s var(--ease), opacity 0.3s var(--ease); }
.menu-btn span:nth-child(1) { top: 17px; }
.menu-btn span:nth-child(2) { bottom: 17px; }
body.menu-open .menu-btn span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
body.menu-open .menu-btn span:nth-child(2) { transform: translateY(-5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90; background: var(--bg);
  padding: clamp(5rem, 16vh, 8rem) var(--pad-x) 3rem;
  display: flex; flex-direction: column; gap: 0.2rem;
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), visibility 0.4s;
}
body.menu-open .mobile-menu { opacity: 1; visibility: visible; transform: none; }
.mobile-menu a.m-link { display: block; padding: 0.85rem 0; border-bottom: 1px solid var(--hair); font-family: "Big Shoulders Display", sans-serif; text-transform: uppercase; font-size: 1.9rem; letter-spacing: 0.02em; color: var(--text); }
.mobile-menu .btn-gold { margin-top: 1.6rem; align-self: flex-start; }
.mobile-menu .m-contact { margin-top: auto; font-size: 0.9rem; color: var(--text-3); line-height: 2; }
.mobile-menu .m-contact a { display: inline-block; padding: 0.35rem 0; color: var(--gold); }

/* ---------- Hero (centred, logo-led) ---------- */
.hero { padding-block: clamp(1.6rem, 4vw, 3.5rem) clamp(3rem, 6vw, 5.5rem); text-align: center; }
.hero-center { display: flex; flex-direction: column; align-items: center; }
.hero-logo { width: min(100%, 660px); height: auto; margin-bottom: clamp(1.4rem, 4vw, 2.6rem); filter: drop-shadow(0 24px 55px oklch(0 0 0 / 0.55)); }
.hero-center .eyebrow { margin-bottom: 1.2rem; }
.hero-center h1 { margin-bottom: 1.3rem; }
.hero-center .lead { margin: 0 auto 2.1rem; }
.hero-center .actions { justify-content: center; margin-bottom: 2.6rem; }
.hero-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 0 clamp(1.4rem, 3vw, 2.6rem); border-top: 1px solid var(--hair); padding-top: 1.3rem; }
.hero-meta div { padding: 0.3rem 0; }
.hero-meta dt { font-family: "Overpass Mono", monospace; font-size: 0.6rem; letter-spacing: 0.14em; color: var(--gold); text-transform: uppercase; }
.hero-meta dd { font-family: "Big Shoulders Display", sans-serif; text-transform: uppercase; font-size: 1.05rem; letter-spacing: 0.03em; color: var(--text); margin-top: 2px; }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: 1fr; gap: clamp(0.8rem, 1.6vw, 1.1rem); }
@media (min-width: 560px) { .services { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .services { grid-template-columns: repeat(3, 1fr); } }
.service { background: var(--bg-2); border: 1px solid var(--hair); border-radius: 3px; padding: clamp(1.5rem, 3vw, 2.1rem); display: flex; flex-direction: column; gap: 0.6rem; transition: border-color 0.4s var(--ease), transform 0.4s var(--ease); }
.service:hover { border-color: var(--gold-45); transform: translateY(-3px); }
.svc-icon { color: var(--gold); width: 34px; height: 34px; margin-bottom: 0.5rem; }
.svc-icon svg { width: 100%; height: 100%; }
.service h3 { color: var(--text); }
.service p { color: var(--text-2); font-size: 0.98rem; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.4rem; }
.svc-tags li { font-family: "Overpass Mono", monospace; font-size: 0.68rem; letter-spacing: 0.03em; color: var(--text-2); border: 1px solid var(--hair); border-radius: 2px; padding: 0.25rem 0.55rem; text-transform: uppercase; }
.link-more { margin-top: auto; padding-top: 0.9rem; display: inline-flex; align-items: center; gap: 0.5em; font-family: "Overpass Mono", monospace; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); }
.link-more svg { width: 12px; height: 12px; transition: transform 0.3s var(--ease); }
.service:hover .link-more svg, .link-more:hover svg { transform: translateX(4px); }

/* ---------- Feature / value rows ---------- */
.stack { display: grid; gap: clamp(1.4rem, 3vw, 2.1rem); }
.entry { display: grid; grid-template-columns: auto 1fr; gap: clamp(1rem, 2.5vw, 1.8rem); align-items: start; padding-top: 1.4rem; border-top: 1px solid var(--hair); }
.entry .num { font-family: "Big Shoulders Display", sans-serif; font-size: 1.5rem; color: var(--gold); line-height: 1; padding-top: 0.15rem; }
.entry h3 { margin-bottom: 0.45rem; }
.entry p { color: var(--text-2); }

.split { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 900px) { .split { grid-template-columns: 0.85fr 1.15fr; align-items: start; } .split.even { grid-template-columns: 1fr 1fr; } }

/* fact strip */
.facts { display: grid; grid-template-columns: 1fr; gap: 1px; background: var(--hair); border: 1px solid var(--hair); margin-top: 2.4rem; }
@media (min-width: 620px) { .facts { grid-template-columns: repeat(3, 1fr); } }
.facts .cell { background: var(--bg); padding: 1.4rem 1.5rem; }
.facts .k { font-family: "Overpass Mono", monospace; font-size: 0.6rem; letter-spacing: 0.14em; color: var(--gold); text-transform: uppercase; }
.facts .v { font-family: "Big Shoulders Display", sans-serif; text-transform: uppercase; font-size: 1.3rem; letter-spacing: 0.02em; color: var(--text); margin-top: 0.4rem; }
.on-light .facts { background: var(--light-rule); border-color: var(--light-rule); }
.on-light .facts .cell { background: var(--light); }
.on-light .facts .v { color: var(--light-ink); }

/* ---------- Light section ---------- */
.on-light { background: var(--light); color: var(--light-ink); }
.on-light .eyebrow { color: var(--gold-lo); }
.on-light .eyebrow::before, .on-light .eyebrow::after { background: var(--light-rule); }
.on-light h1, .on-light h2, .on-light h3 { color: var(--light-ink); }
.on-light .lead { color: var(--light-mute); }
.on-light .lead strong { color: var(--light-ink); }
.on-light .gold-word { color: var(--gold-lo); }
.on-light .entry { border-color: var(--light-rule); }
.on-light .entry p { color: var(--light-mute); }
.on-light .entry .num { color: var(--gold-lo); }
.on-light .service { background: color-mix(in oklch, var(--light) 94%, black 6%); border-color: var(--light-rule); }
.on-light .service:hover { border-color: var(--gold-lo); }
.on-light .service h3 { color: var(--light-ink); }
.on-light .service p { color: var(--light-mute); }
.on-light .svc-icon { color: var(--gold-lo); }

/* ---------- CTA band ---------- */
.cta-inner { border: 1px solid var(--gold-25); border-radius: 4px; padding: clamp(2.2rem, 5vw, 3.8rem); background: linear-gradient(180deg, var(--bg-2), var(--bg)); text-align: center; }
.cta-inner .eyebrow { margin-bottom: 1rem; }
.cta-inner h2 { margin-bottom: 1.1rem; }
.cta-inner .lead { margin: 0 auto 2rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: clamp(2.5rem, 5vw, 4rem); align-items: start; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.25fr 0.75fr; } }
form .field { position: relative; padding-top: 1.7rem; margin-bottom: 1.8rem; }
form label { position: absolute; top: 0; left: 0; font-family: "Overpass Mono", monospace; font-size: 0.66rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
form .req { color: var(--text-3); }
form input, form select, form textarea { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--gold-45); color: var(--text); font-family: "Overpass", sans-serif; font-size: 1.05rem; padding: 0.5rem 0; transition: border-color 0.3s var(--ease); }
form textarea { resize: vertical; min-height: 5.5rem; }
form select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23cba25a' stroke-width='1.5'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.2rem center; padding-right: 1.6rem; }
form option { background: var(--bg-2); color: var(--text); }
form input::placeholder, form textarea::placeholder { color: var(--text-3); }
form input:focus, form select:focus, form textarea:focus { outline: none; border-color: var(--gold); }
form input:focus-visible, form select:focus-visible, form textarea:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
form .field-row { display: grid; grid-template-columns: 1fr; gap: 0 1.6rem; }
@media (min-width: 560px) { form .field-row { grid-template-columns: 1fr 1fr; } }
.form-note { font-size: 0.86rem; color: var(--text-3); margin-top: 1.4rem; max-width: 52ch; }
.form-note a { color: var(--gold); border-bottom: 1px solid var(--gold-45); }
input:user-invalid, textarea:user-invalid { border-color: oklch(0.62 0.16 32); }

.info-stack { display: grid; gap: 1px; background: var(--hair); border: 1px solid var(--hair); }
.info-cell { background: var(--bg); padding: 1.5rem clamp(1.2rem, 3vw, 1.8rem); }
.info-cell .k { font-family: "Overpass Mono", monospace; font-size: 0.63rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.6rem; }
.info-cell .v { color: var(--text); line-height: 1.5; }
.info-cell .v a { color: var(--text); border-bottom: 1px solid var(--gold-45); }
.info-cell .v a:hover { color: var(--gold-hi); }
.info-cell small { display: block; margin-top: 0.4rem; color: var(--text-3); font-size: 0.82rem; }

/* ---------- Footer ---------- */
footer { border-top: 1px solid var(--gold-25); }
.foot-top { display: grid; grid-template-columns: 1fr; gap: clamp(2rem, 5vw, 3.5rem); padding-block: clamp(3rem, 6vw, 4.5rem); }
@media (min-width: 760px) { .foot-top { grid-template-columns: 1.6fr 1fr 1fr; } }
.foot-brand p { color: var(--text-2); margin-top: 1.1rem; max-width: 34ch; font-size: 0.95rem; }
.foot-col h4 { font-family: "Overpass Mono", monospace; font-size: 0.64rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 1.1rem; font-weight: 500; }
.foot-col li { margin-bottom: 0.6rem; }
.foot-col a, .foot-col span { color: var(--text-2); font-size: 0.95rem; }
.foot-col a:hover { color: var(--gold-hi); }
.foot-bottom { border-top: 1px solid var(--hair); padding-block: 1.4rem 2.4rem; display: flex; flex-wrap: wrap; gap: 0.6rem 1.5rem; justify-content: space-between; font-size: 0.8rem; color: var(--text-3); }

/* ---------- Reveal motion ---------- */
.reveal { opacity: 1; }
html.js .reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); transition-delay: var(--d, 0ms); }
html.js .reveal.in { opacity: 1; transform: none; }
.rise { display: inline-block; }
html.js .rise-mask { overflow: hidden; display: inline-block; vertical-align: bottom; }
html.js .rise-mask .rise { transform: translateY(105%); transition: transform 1s var(--ease); transition-delay: var(--d, 0ms); }
html.js .rise-mask.in .rise { transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .nav .btn-gold { display: none; }
}
@media (min-width: 861px) {
  .menu-btn, .mobile-menu { display: none; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; transition: none; }
  html.js .rise-mask .rise { transform: none; transition: none; }
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; }
}