/* ============================================================
   NSEIR — Engineering & Contracting
   Design tokens lifted from the 2026 portfolio PDF
   ============================================================ */

:root {
  --ink:       #1c1814;          /* near-black, warm */
  --ink-2:     #2a221b;
  --cream:     #f1ead8;          /* page background on light pages */
  --cream-2:   #e8dfc6;
  --paper:     #fbf6e9;          /* card background on cream */
  --line:      #c9b896;
  --line-dark: #4a3d2c;
  --accent:    #c0663f;          /* terracotta / copper */
  --accent-2:  #b85e3c;
  --text:      #1c1814;
  --text-soft: #4a3d2c;
  --text-mute: #7a6a55;
  --on-dark:   #efe6cf;
  --on-dark-mute: #b9ac8c;

  --serif: "Playfair Display", "Cormorant Garamond", Georgia, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono:  "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --maxw: 1180px;
  --pad:  clamp(20px, 4vw, 64px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ---------- Typography helpers ---------- */
.display {
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.05;
  margin: 0;
}
.display em { font-style: italic; font-weight: 600; color: var(--accent); }
.mono {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
}
.mono.small { font-size: 10px; }
.accent { color: var(--accent); }
.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 12px;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px var(--pad);
  background: rgba(28, 24, 20, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(239, 230, 207, 0.08);
  transition: background .3s ease;
}
.nav__brand img { height: 30px; width: auto; filter: brightness(0) invert(1); }
.nav__links {
  display: flex; gap: 28px; justify-content: center;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--on-dark);
}
.nav__links a { position: relative; padding: 6px 0; transition: color .2s; }
.nav__links a:hover { color: var(--accent); }
.nav__cta {
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 10px 18px;
  border: 1px solid var(--accent);
  color: var(--on-dark);
  background: transparent;
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.nav__cta span { color: var(--accent); margin-left: 6px; }
.nav__cta:hover { background: var(--accent); color: #fff; }
.nav__cta:hover span { color: #fff; }
.nav__menu {
  display: none;
  background: none; border: 0; cursor: pointer;
  width: 36px; height: 36px;
  padding: 8px;
}
.nav__menu span {
  display: block; height: 2px; background: var(--on-dark);
  margin: 5px 0; transition: transform .25s, opacity .25s;
}

/* ============================================================
   COVER
   ============================================================ */
.cover {
  background: var(--ink);
  color: var(--on-dark);
  padding: 120px var(--pad) 60px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.cover::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 500px at 80% 20%, rgba(192,102,63,0.08), transparent 60%),
    radial-gradient(600px 400px at 10% 90%, rgba(192,102,63,0.05), transparent 60%);
  pointer-events: none;
}
.cover > * { position: relative; z-index: 1; }
.cover__top {
  display: flex; justify-content: space-between;
  padding-bottom: 14px;
}
.cover__divider {
  height: 1px; background: var(--on-dark-mute); opacity: .35; margin-bottom: 56px;
}
.cover__hero {
  display: grid; grid-template-columns: 6px 1fr;
  gap: 32px; align-items: center;
  margin-bottom: 40px;
}
.cover__bar { background: var(--accent); width: 6px; height: 220px; }
.cover__brand img {
  height: 130px; width: auto; filter: brightness(0) invert(1);
  margin-bottom: 12px;
}
.cover__est {
  color: var(--on-dark-mute); margin: 18px 0 0;
}
.cover__line {
  height: 1px; background: var(--on-dark-mute); opacity: .35; margin: 32px 0;
}
.cover__title {
  font-size: clamp(48px, 9vw, 128px);
  font-weight: 400;
  line-height: 1.0;
  margin: 8px 0 32px;
}
.cover__title strong { font-weight: 700; }
.cover__title em {
  color: var(--accent); font-style: italic; font-weight: 600;
}
.cover__meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; margin: 16px 0 32px;
}
.cover__meta > div {
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 10px;
}
.cover__meta > div span:first-child { font-size: 11px; }
.cover__meta > div span:nth-child(2) { color: var(--on-dark-mute); }
.cover__meta > div b {
  font-family: var(--sans); font-size: 18px; font-weight: 700; margin-top: 4px;
}
.cover__foot {
  color: var(--on-dark-mute);
  text-align: left;
  margin-top: auto;
  padding-top: 32px;
  font-size: 10px;
}

/* ============================================================
   PAGE (cream) sections
   ============================================================ */
.page {
  padding: 100px var(--pad) 60px;
  max-width: var(--maxw);
  margin: 0 auto;
  position: relative;
}
.page--cream { background: var(--cream); }
.page__head {
  display: flex; justify-content: space-between;
  color: var(--text-soft);
  font-size: 11px;
}
.page__rule {
  height: 1px; background: var(--line); opacity: .6;
  margin: 14px 0 48px;
}
.page__rule--dark { background: var(--on-dark-mute); opacity: .4; }
.page__foot {
  display: flex; justify-content: space-between;
  margin-top: 64px; padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text-mute);
  font-size: 10px;
}
.page__foot--dark { border-top-color: var(--on-dark-mute); color: var(--on-dark-mute); }

/* Big section title with number */
.section-title {
  font-size: clamp(40px, 6vw, 72px);
  display: flex; align-items: baseline; gap: 24px;
  margin: 4px 0 8px;
}
.section-title .num {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
  font-size: 0.7em;
}
.subtitle {
  color: var(--text-mute);
  font-style: italic;
  margin: 4px 0 40px;
  font-family: var(--serif);
  font-size: 18px;
}
.section-sub { font-size: clamp(28px, 4vw, 44px); margin: 0 0 16px; }
.lead { max-width: 880px; color: var(--text-soft); margin: 0 0 36px; }

/* ============================================================
   ABOUT
   ============================================================ */
.about__intro {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  margin: 24px 0 56px;
  max-width: 980px;
}
.quote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 24px;
  margin: 0 0 56px;
}
.quote .display {
  font-size: clamp(22px, 2.4vw, 30px);
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  margin: 6px 0 16px;
  line-height: 1.35;
  max-width: 780px;
}
.quote__mark {
  color: var(--accent); font-size: 1.4em; margin-right: 4px;
  font-family: var(--serif);
}
.quote__by { margin: 0; font-size: 14px; }
.quote__by b { font-family: var(--serif); font-style: italic; font-weight: 600; }

.mv {
  display: grid; grid-template-columns: 1fr 1fr; gap: 40px;
  margin: 0 0 48px;
}
.mv > div p:last-child {
  font-family: var(--serif);
  font-size: 17px;
  font-style: italic;
  color: var(--text-soft);
  margin: 8px 0 0;
  line-height: 1.5;
}

.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 28px 24px;
  margin: 0 0 24px;
}
.stats > div {
  display: flex; flex-direction: column; gap: 4px;
  align-items: flex-start;
}
.stats b.display {
  font-size: clamp(36px, 4.5vw, 54px);
  color: var(--accent);
  font-weight: 700;
}
.stats .mono { color: var(--text-mute); }

.values {
  display: flex; flex-wrap: wrap; gap: 24px 36px;
  align-items: center;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.values span:not(.mono) {
  font-family: var(--serif); font-style: italic; font-size: 18px;
  color: var(--text);
}
.values .mono { margin-right: 16px; }

/* ============================================================
   WHAT WE DO
   ============================================================ */
.service {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 28px 32px;
  margin: 24px 0 56px;
}
.service h3 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 6px 0 14px;
}
.service p { max-width: 880px; color: var(--text-soft); margin: 0; }

.assets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px 36px;
  margin-top: 24px;
}
.assets > div {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.assets b {
  display: block;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin: 6px 0 4px;
}
.assets p { color: var(--text-mute); margin: 0; font-size: 14px; }

/* ============================================================
   PROJECTS (past + current)
   ============================================================ */
.projects {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 16px;
}
.project {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 18px;
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.project:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -24px rgba(28,24,20,0.25); }
.project__num {
  position: absolute; top: 18px; left: 18px;
  background: rgba(28, 24, 20, 0.78);
  color: var(--on-dark);
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.16em;
  padding: 4px 10px;
  z-index: 2;
}
.project__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink);
  margin-bottom: 18px;
}
.project__media img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s ease;
}
.project:hover .project__media img { transform: scale(1.04); }
.badge {
  position: absolute; bottom: 10px; left: 10px;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 5px 10px;
}
.badge--alt { background: var(--ink); color: var(--accent); border: 1px solid var(--accent); }

.project h3 {
  font-size: clamp(22px, 2.6vw, 28px);
  margin: 4px 0 6px;
}
.project .loc {
  margin: 0 0 16px;
  color: var(--text-mute);
  font-style: italic;
  font-size: 14px;
}
.meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.meta div { margin: 0; }
.meta dt {
  font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 4px;
}
.meta dd {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 15px;
}

/* ============================================================
   PEOPLE
   ============================================================ */
.founder {
  display: grid; grid-template-columns: 220px 1fr;
  gap: 36px;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 24px;
  margin: 24px 0 48px;
}
.founder img {
  width: 220px; height: 260px; object-fit: cover;
}
.founder h3 { font-size: clamp(32px, 4vw, 44px); margin: 4px 0 10px; }
.founder p { max-width: 640px; color: var(--text-soft); margin: 0; }

.team {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.team article {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: 18px;
  position: relative;
}
.team img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover;
  margin-bottom: 14px;
}
.team .mono.accent { font-size: 11px; }
.team h4 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  margin: 4px 0 4px;
}
.team p { color: var(--text-mute); margin: 0; }

.cv {
  border-top: 1px solid var(--line);
  padding-top: 32px;
  max-width: 780px;
}
.cv h3 { font-size: clamp(26px, 3vw, 36px); margin: 4px 0 12px; }
.cv p { color: var(--text-soft); margin: 0; }

/* ============================================================
   CONTACT (dark)
   ============================================================ */
.contact {
  background: var(--ink);
  color: var(--on-dark);
  padding: 100px var(--pad) 60px;
  position: relative;
  overflow: hidden;
}
.contact::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 500px at 90% 10%, rgba(192,102,63,0.08), transparent 60%);
  pointer-events: none;
}
.contact > * { position: relative; z-index: 1; }
.contact .page__head { color: var(--on-dark-mute); }
.contact__title {
  font-size: clamp(48px, 9vw, 120px);
  font-weight: 400;
  line-height: 0.95;
  margin: 12px 0 24px;
}
.contact__title em {
  color: var(--accent);
  font-style: italic;
  font-weight: 700;
  display: inline-block;
}
.contact__lead {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--on-dark-mute);
  max-width: 720px;
  margin: 0 0 24px;
}
.contact__line {
  height: 1px; background: var(--on-dark-mute); opacity: .35; margin: 32px 0;
}
.contact__info {
  display: grid; grid-template-columns: 2fr 1fr;
  gap: 48px;
  margin-bottom: 8px;
}
.contact__info p { margin: 6px 0; }
.contact__info p:first-child { display: flex; gap: 14px; align-items: center; }
.contact__info .display {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 600;
  margin: 8px 0;
  line-height: 1.15;
}
.contact__info em { color: var(--on-dark-mute); font-family: var(--serif); }
.contact__info a:hover { color: var(--accent); }

/* form */
.contact__form {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(239, 230, 207, 0.12);
  padding: 32px;
  margin-top: 24px;
}
.contact__form h3 {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 600;
  margin: 0 0 20px;
}
.contact__form .row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-bottom: 16px;
}
.contact__form label {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: 16px;
}
.contact__form label:last-of-type { margin-bottom: 24px; }
.contact__form .mono.small { color: var(--on-dark-mute); }
.contact__form input,
.contact__form select,
.contact__form textarea {
  background: rgba(0,0,0,0.25);
  border: 1px solid rgba(239, 230, 207, 0.18);
  color: var(--on-dark);
  font: 400 15px/1.5 var(--sans);
  padding: 12px 14px;
  outline: none;
  transition: border-color .2s, background .2s;
}
.contact__form input:focus,
.contact__form select:focus,
.contact__form textarea:focus {
  border-color: var(--accent);
  background: rgba(0,0,0,0.35);
}
.contact__form textarea { resize: vertical; min-height: 110px; font-family: var(--sans); }
.btn {
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  padding: 14px 24px;
  cursor: pointer;
  transition: background .2s, transform .15s;
}
.btn:hover { background: var(--accent-2); }
.btn:active { transform: translateY(1px); }
.btn span { margin-left: 8px; }
.form-status { margin: 14px 0 0; font-size: 13px; min-height: 1em; color: var(--on-dark-mute); }
.form-status.ok { color: #9ad19a; }
.form-status.err { color: #d18a8a; }

.contact__brand {
  display: flex;
  justify-content: flex-end;
  margin-top: 32px;
}
.contact__brand img { height: 90px; width: auto; filter: brightness(0) invert(1); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
  .nav__menu { display: block; }
  .nav.open .nav__menu span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.open .nav__menu span:nth-child(2) { opacity: 0; }
  .nav.open .nav__menu span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .nav.open .nav__links {
    display: flex;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(28, 24, 20, 0.96);
    padding: 12px 0;
    border-bottom: 1px solid rgba(239, 230, 207, 0.08);
  }
  .nav.open .nav__links a { padding: 14px var(--pad); }

  .cover__hero { grid-template-columns: 4px 1fr; gap: 20px; }
  .cover__bar { height: 140px; }
  .cover__brand img { height: 80px; }
  .cover__meta { grid-template-columns: repeat(2, 1fr); }

  .about__intro { grid-template-columns: 1fr; gap: 16px; }
  .mv { grid-template-columns: 1fr; gap: 24px; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .assets { grid-template-columns: 1fr 1fr; }
  .projects { grid-template-columns: 1fr; }
  .meta { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .founder { grid-template-columns: 1fr; }
  .founder img { width: 100%; height: 280px; }
  .team { grid-template-columns: 1fr; }
  .contact__info { grid-template-columns: 1fr; gap: 24px; }
  .contact__form .row { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .assets { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .section-title { gap: 14px; }
  .cover { padding-top: 100px; }
}

/* Reveal animation */
.reveal {
  opacity: 0; transform: translateY(20px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.in { opacity: 1; transform: none; }