/* =========================================================
   KEYSTONE — Redesign · "Structural Elegance"
   Brand palette extracted from keystone.sa
   ========================================================= */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700;800;900&family=Fraunces:ital,opsz,wght@1,9..144,400;1,9..144,600&family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;700&display=swap');

/* ---------- Tokens ---------- */
:root {
  /* brand */
  --petrol: #046c74;
  --petrol-900: #053b40;
  --petrol-950: #032a2e;
  --teal: #2c9187;
  --turq: #3cbcb4;
  --mint: #d9f2ef;
  --mint-50: #eef8f6;
  --terra: #dc9374;
  --terra-600: #c97a59;

  --ink: #0e1c1d;
  --ink-soft: #46595a;
  --muted: #7d8e8e;
  --line: #d7e4e2;
  --line-soft: #e6efed;
  --paper: #fbfdfc;
  --paper-2: #f4f8f7;
  --white: #ffffff;

  --font-display: 'Archivo', sans-serif;
  --font-serif: 'Fraunces', serif;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --maxw: 1280px;
  --gutter: clamp(20px, 5vw, 72px);
  --radius: 6px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(5,59,64,.06), 0 4px 14px rgba(5,59,64,.05);
  --shadow-md: 0 12px 34px rgba(5,59,64,.12);
  --shadow-lg: 0 34px 80px rgba(5,59,64,.20);

  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

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

/* refined scrollbar */
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--paper-2); }
::-webkit-scrollbar-thumb { background: #b9d2cf; border-radius: 10px; border: 3px solid var(--paper-2); }
::-webkit-scrollbar-thumb:hover { background: var(--petrol); }

/* film-grain texture overlay */
body::after {
  content: ""; position: fixed; inset: -50%; z-index: 999; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity: .032;
}

/* scroll progress hairline */
.progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: linear-gradient(90deg, var(--petrol), var(--terra));
  z-index: 200; transition: width .1s linear;
}

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: clamp(72px, 10vw, 140px); position: relative; }
.section--tight { padding-block: clamp(48px, 6vw, 80px); }
.bg-mint { background: var(--mint-50); }

/* blueprint grid texture */
.blueprint {
  background-image:
    linear-gradient(rgba(4,108,116,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(4,108,116,.045) 1px, transparent 1px);
  background-size: 42px 42px;
}

/* ---------- Typography ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: .97;
  letter-spacing: -.028em;
  color: var(--ink);
  text-wrap: balance;
}
h1.display { font-size: clamp(2.7rem, 7.4vw, 6.4rem); }
h2.display { font-size: clamp(2rem, 4.6vw, 3.7rem); }
h3.display { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
.display em, .serif-accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--terra);
}
.display .accent { color: var(--petrol); }

.kicker {
  font-family: var(--font-mono);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.kicker::before {
  content: "";
  width: 30px; height: 1px;
  background: var(--terra);
  display: inline-block;
}
.kicker--center { justify-content: center; display: flex; }
.kicker--center::after { content: ""; width: 30px; height: 1px; background: var(--terra); display: inline-block; }
.lead { font-size: clamp(1.05rem, 1.5vw, 1.28rem); color: var(--ink-soft); max-width: 58ch; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono);
  font-size: .8rem; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  padding: 17px 30px;
  border-radius: 100px;
  transition: transform .35s var(--ease), background .3s, color .3s, box-shadow .3s, border-color .3s;
  position: relative; overflow: hidden;
  will-change: transform;
}
.btn .arw { transition: transform .35s var(--ease); }
.btn:hover .arw { transform: translateX(5px); }
.btn-primary { background: var(--terra); color: #2a1207; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--terra-600); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-dark { background: var(--petrol); color: #eafaf8; }
.btn-dark:hover { background: var(--petrol-900); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--petrol); color: var(--petrol); transform: translateY(-2px); }
.btn-ghost--light { border-color: rgba(255,255,255,.3); color: #fff; }
.btn-ghost--light:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }

/* =========================================================
   HEADER
   ========================================================= */
.header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  transition: background .4s, box-shadow .4s, padding .4s;
  padding-block: 20px;
}
.header__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.header.scrolled {
  background: rgba(251,253,252,.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--line);
  padding-block: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; z-index: 2; }
.brand img { height: 44px; width: auto; transition: height .4s; }
.header.scrolled .brand img { height: 36px; }

.nav { display: flex; align-items: center; gap: 38px; }
.nav a {
  font-size: .92rem; font-weight: 700; color: var(--ink);
  position: relative; padding-block: 6px; letter-spacing: .01em;
}
.nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--terra); transition: width .35s var(--ease);
}
.nav a:hover::after, .nav a.active::after { width: 100%; }
.nav a.active { color: var(--petrol); }

.header__cta { display: flex; align-items: center; gap: 16px; }

.burger { display: none; flex-direction: column; gap: 5px; width: 38px; height: 38px; align-items: center; justify-content: center; z-index: 120; }
.burger span { width: 25px; height: 2px; background: var(--ink); transition: .35s var(--ease); }
.burger.open span { background: #fff; }
.burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.open span:nth-child(2) { opacity: 0; }
.burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* mobile drawer */
.drawer {
  position: fixed; inset: 0; z-index: 110;
  background: var(--petrol-950); color: #fff;
  display: flex; flex-direction: column; justify-content: center;
  padding: var(--gutter);
  transform: translateY(-100%); transition: transform .6s var(--ease-out);
}
.drawer.open { transform: translateY(0); }
.drawer a {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(2.1rem,9vw,3.4rem);
  padding-block: 8px; color: #eafaf8; display: flex; align-items: baseline; gap: 16px;
  letter-spacing: -.02em;
}
.drawer a small { font-family: var(--font-mono); font-size: .7rem; color: var(--turq); letter-spacing: .2em; }
.drawer a:hover { color: var(--terra); }
.drawer .drawer__meta { margin-top: 44px; font-family: var(--font-mono); font-size: .78rem; color: var(--turq); letter-spacing: .12em; line-height: 2; }

/* =========================================================
   HERO
   ========================================================= */
.hero { position: relative; padding-top: clamp(140px, 19vh, 215px); padding-bottom: 0; overflow: hidden; }
.hero__grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(34px, 5vw, 80px);
  align-items: end;
}
.hero__index {
  font-family: var(--font-mono); font-size: .72rem; letter-spacing: .22em;
  color: var(--muted); display: flex; justify-content: space-between;
  border-top: 1px solid var(--line); padding-top: 14px; margin-bottom: 34px;
}
.hero h1 { margin-bottom: 30px; }
.hero__quote {
  border-left: 2px solid var(--turq);
  padding-left: 22px; margin: 0 0 38px; max-width: 47ch;
  color: var(--ink-soft); font-size: 1.06rem;
}
.hero__quote .q { font-family: var(--font-serif); font-style: italic; color: var(--petrol); }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }

.hero__media { position: relative; }
.hero__media .frame {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); aspect-ratio: 4/5;
}
.hero__media .frame img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); }
.hero__media .frame::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(5,59,64,.55));
}
.hero__media::before {
  content: ""; position: absolute; inset: 22px -22px -22px 22px; z-index: -1;
  border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.hero__badge {
  position: absolute; left: -28px; bottom: 44px; z-index: 3;
  background: var(--terra); color: #2a1207;
  padding: 20px 24px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  font-family: var(--font-mono);
}
.hero__badge b { display: block; font-family: var(--font-display); font-size: 2.1rem; line-height: 1; letter-spacing: -.02em; }
.hero__badge span { font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; }

/* stat strip under hero */
.statstrip {
  margin-top: clamp(54px, 7vw, 96px);
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  display: grid; grid-template-columns: repeat(3, 1fr);
}
.statstrip .cell {
  padding: 34px 0; display: flex; flex-direction: column; gap: 4px;
  border-right: 1px solid var(--line);
}
.statstrip .cell:not(:first-child) { padding-left: 34px; }
.statstrip .cell:last-child { border-right: none; }
.statstrip .num { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.5rem,5vw,3.8rem); color: var(--petrol); line-height: 1; letter-spacing: -.03em; }
.statstrip .num .plus { color: var(--terra); }
.statstrip .lbl { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }

/* =========================================================
   TICKER divider
   ========================================================= */
.ticker { overflow: hidden; border-block: 1px solid var(--line); padding-block: 18px; background: var(--paper); }
.ticker__track { display: flex; gap: 0; width: max-content; animation: scroll 30s linear infinite; }
.ticker span {
  font-family: var(--font-display); font-weight: 800; font-size: 1rem;
  letter-spacing: .34em; text-transform: uppercase; color: var(--ink);
  display: inline-flex; align-items: center; white-space: nowrap; padding-right: 18px;
}
.ticker span::after { content: "◆"; color: var(--terra); font-size: .6rem; margin-left: 18px; }
.ticker span:nth-child(even) { color: transparent; -webkit-text-stroke: 1px var(--petrol); }

/* =========================================================
   SECTION HEADERS
   ========================================================= */
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: clamp(40px, 5vw, 64px); flex-wrap: wrap; }
.sec-head .col { max-width: 680px; }
.sec-head .kicker { margin-bottom: 18px; }

/* ---------- About ---------- */
.about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(34px,5vw,80px); align-items: center; }
.about__media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about__media .shot { overflow: hidden; border-radius: var(--radius-lg); position: relative; cursor: zoom-in; border: none; padding: 0; display: block; }
.about__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease); }
.about__media .shot:hover img { transform: scale(1.07); }
.about__media .shot::after {
  content: "+"; position: absolute; right: 12px; bottom: 12px; width: 34px; height: 34px;
  background: rgba(5,59,64,.75); color: #fff; border-radius: 50%; display: grid; place-items: center;
  font-size: 1.1rem; opacity: 0; transition: opacity .35s; backdrop-filter: blur(4px);
}
.about__media .shot:hover::after { opacity: 1; }
.about__media .shot:first-child { grid-row: span 2; }
.about__copy p { margin-bottom: 22px; color: var(--ink-soft); }
.about__sign { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .12em; color: var(--teal); border-top: 1px solid var(--line); padding-top: 20px; }

/* ---------- Why / features ---------- */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; }
.feature { background: var(--paper); padding: clamp(28px,3vw,44px); transition: background .45s; position: relative; }
.feature::before {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--petrol), var(--turq));
  transform: scaleX(0); transform-origin: left; transition: transform .5s var(--ease);
}
.feature:hover::before { transform: scaleX(1); }
.feature:hover { background: var(--mint-50); }
.feature__no { font-family: var(--font-mono); font-size: .7rem; color: var(--muted); letter-spacing: .18em; }
.feature__ic { width: 52px; height: 52px; display: grid; place-items: center; color: var(--petrol); margin: 20px 0 18px; font-size: 1.35rem; background: var(--mint); border-radius: 50%; transition: background .4s, color .4s, transform .4s var(--ease); }
.feature:hover .feature__ic { background: var(--petrol); color: #fff; transform: rotate(-8deg) scale(1.06); }
.feature h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.22rem; margin-bottom: 8px; letter-spacing: -.01em; }
.feature p { font-size: .95rem; color: var(--ink-soft); }

/* ---------- Stats band (with image) ---------- */
.band { position: relative; color: #fff; isolation: isolate; }
.band__bg { position: absolute; inset: 0; z-index: -2; }
.band__bg img { width: 100%; height: 100%; object-fit: cover; }
.band::after { content:""; position:absolute; inset:0; z-index:-1; background: linear-gradient(120deg, rgba(3,42,46,.93), rgba(4,108,116,.78)); }
.band h2 { color: #fff; max-width: 22ch; }
.band .serif-accent { color: var(--terra); }

/* ---------- Process ---------- */
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(20px,2.5vw,34px); counter-reset: step; }
.step { position: relative; padding-top: 28px; }
.step::before {
  content: ""; position: absolute; top: 0; left: 0; right: -34px; height: 1px; background: var(--line);
}
.step:last-child::before { right: 0; }
.step::after {
  content: ""; position: absolute; top: -4px; left: 0; width: 9px; height: 9px;
  border-radius: 50%; background: var(--terra); box-shadow: 0 0 0 5px var(--mint-50);
}
.step__no { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .22em; color: var(--teal); display: block; margin-bottom: 12px; }
.step h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; margin-bottom: 8px; letter-spacing: -.01em; }
.step p { font-size: .93rem; color: var(--ink-soft); }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.service {
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(30px,3vw,44px);
  background: var(--paper); transition: transform .5s var(--ease), box-shadow .5s, border-color .5s;
  display: flex; flex-direction: column; gap: 14px; min-height: 330px; position: relative; overflow: hidden;
}
.service::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 160px; height: 160px;
  border-radius: 50%; background: radial-gradient(circle, rgba(60,188,180,.16), transparent 70%);
  transition: transform .6s var(--ease);
}
.service:hover { transform: translateY(-10px); box-shadow: var(--shadow-md); border-color: transparent; }
.service:hover::after { transform: scale(1.7); }
.service__ic { width: 68px; height: 68px; background: var(--mint); border-radius: var(--radius-lg); display: grid; place-items: center; }
.service__ic img { width: 36px; height: 36px; object-fit: contain; }
.service__no { font-family: var(--font-mono); color: var(--terra); font-size: .78rem; letter-spacing: .18em; }
.service h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; letter-spacing: -.015em; }
.service p { color: var(--ink-soft); font-size: .97rem; flex: 1; }
.service .more { font-family: var(--font-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--petrol); display: inline-flex; gap: 8px; align-items: center; }
.service .more .arw { transition: transform .35s var(--ease); }
.service:hover .more .arw { transform: translateX(5px); }

/* ---------- Projects grid ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 38px; }
.filters button {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase;
  padding: 11px 20px; border: 1px solid var(--line); border-radius: 100px; color: var(--ink-soft);
  transition: .3s var(--ease);
}
.filters button:hover { border-color: var(--petrol); color: var(--petrol); }
.filters button.active { background: var(--petrol); color: #fff; border-color: var(--petrol); }

.projects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.project {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 4/3;
  display: block; background: var(--petrol-900); cursor: zoom-in;
  width: 100%; text-align: left; padding: 0; border: none;
}
.project img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), opacity .5s; }
.project::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, transparent 35%, rgba(3,42,46,.88)); opacity:.88; transition: opacity .4s; }
.project:hover img { transform: scale(1.09); }
.project:hover::after { opacity: 1; }
.project__meta { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 26px; color: #fff; transform: translateY(8px); transition: transform .45s var(--ease); pointer-events: none; }
.project:hover .project__meta { transform: translateY(0); }
.project__cat { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .22em; text-transform: uppercase; color: var(--turq); }
.project__meta h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.32rem; margin-top: 6px; letter-spacing: -.01em; }
.project__view { display:inline-flex; align-items:center; gap:8px; margin-top:10px; font-family:var(--font-mono); font-size:.7rem; letter-spacing:.14em; text-transform:uppercase; color:#fff; opacity:0; transform: translateY(6px); transition:.4s var(--ease); }
.project:hover .project__view { opacity:1; transform: translateY(0); }
.project.hide { display: none; }
.project--wide { grid-column: span 2; aspect-ratio: 16/9; }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 300; display: grid; place-items: center;
  background: rgba(3,42,46,.88); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  opacity: 0; pointer-events: none; transition: opacity .35s var(--ease);
  padding: clamp(16px, 4vw, 60px);
}
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox__inner { max-width: min(1100px, 92vw); width: 100%; transform: translateY(18px) scale(.98); transition: transform .45s var(--ease-out); }
.lightbox.open .lightbox__inner { transform: none; }
.lightbox__img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.lightbox__img img { width: 100%; max-height: 74vh; object-fit: contain; background: var(--petrol-950); }
.lightbox__caption { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding-top: 18px; color: #fff; }
.lightbox__caption h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: -.01em; }
.lightbox__caption span { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--turq); }
.lightbox__close {
  position: absolute; top: 22px; right: 26px; width: 48px; height: 48px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.3); color: #fff; font-size: 1.1rem; display: grid; place-items: center;
  transition: .3s;
}
.lightbox__close:hover { background: var(--terra); border-color: var(--terra); color: #2a1207; transform: rotate(90deg); }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,.25); color: #fff; display: grid; place-items: center; font-size: 1rem; transition: .3s;
}
.lightbox__nav:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.lightbox__nav--prev { left: 18px; }
.lightbox__nav--next { right: 18px; }

/* ---------- Partners marquee ---------- */
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__track { display: flex; gap: 70px; width: max-content; animation: scroll 40s linear infinite; align-items: center; }
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee img { height: 48px; width: auto; object-fit: contain; filter: grayscale(1) opacity(.55); transition: filter .35s, transform .35s; }
.marquee img:hover { filter: grayscale(0) opacity(1); transform: scale(1.06); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- CTA band ---------- */
.cta {
  background: var(--petrol-950); color: #fff; border-radius: var(--radius-lg);
  padding: clamp(44px,7vw,90px); text-align: center; position: relative; overflow: hidden;
}
.cta h2 { color: #fff; margin-bottom: 18px; }
.cta h2 em { color: var(--terra); }
.cta p { color: #bfe2de; max-width: 52ch; margin: 0 auto 32px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta .glow { position: absolute; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(60,188,180,.32), transparent 70%); top: -180px; right: -130px; animation: float 9s ease-in-out infinite alternate; }
.cta .glow.two { background: radial-gradient(circle, rgba(220,147,116,.28), transparent 70%); bottom: -220px; left: -130px; top: auto; right: auto; animation-delay: -4s; }
@keyframes float { to { transform: translateY(40px); } }

/* =========================================================
   PAGE HERO (inner pages)
   ========================================================= */
.pagehero { padding-top: clamp(150px, 21vh, 230px); padding-bottom: clamp(44px,5vw,76px); position: relative; }
.pagehero .crumb { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); margin-bottom: 22px; }
.pagehero .crumb a:hover { color: var(--petrol); }
.pagehero h1 { max-width: 17ch; }
.pagehero p { margin-top: 24px; }

/* =========================================================
   CONTACT
   ========================================================= */
.contact__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(34px,5vw,70px); align-items: start; }
.info-card { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--paper); }
.info-row { display: flex; gap: 16px; padding: 24px 26px; border-bottom: 1px solid var(--line-soft); transition: background .3s; }
.info-row:hover { background: var(--mint-50); }
.info-row:last-of-type { border-bottom: none; }
.info-row .ic { width: 44px; height: 44px; flex: none; background: var(--mint); color: var(--petrol); border-radius: 50%; display: grid; place-items: center; font-size: 1rem; }
.info-row .t span { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 4px; }
.info-row .t a, .info-row .t p { font-weight: 700; color: var(--ink); font-size: .97rem; }
.info-row .t a:hover { color: var(--petrol); }
.socials { display: flex; gap: 10px; padding: 24px 26px; border-top: 1px solid var(--line-soft); }
.socials a { width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; display: grid; place-items: center; color: var(--ink); transition: .35s var(--ease); }
.socials a:hover { background: var(--petrol); color: #fff; border-color: var(--petrol); transform: translateY(-4px); }

.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(28px,3.5vw,48px); box-shadow: var(--shadow-sm); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.field label { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-soft); }
.field label .req { color: var(--terra); }
.field input, .field select, .field textarea {
  padding: 15px 17px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-2); color: var(--ink); transition: border-color .3s, background .3s, box-shadow .3s;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 135px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--petrol); background: #fff;
  box-shadow: 0 0 0 4px rgba(4,108,116,.10);
}
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #d4583f; background: #fdf3f1; }
.field .err { color: #c0432c; font-size: .78rem; display: none; }
.field.invalid .err { display: block; }
.form__note { font-size: .82rem; color: var(--muted); margin-top: 8px; }
.form__success { display: none; text-align: center; padding: 44px 10px; }
.form__success.show { display: block; }
.form__success .ok { width: 74px; height: 74px; margin: 0 auto 22px; border-radius: 50%; background: var(--mint); color: var(--petrol); display: grid; place-items: center; font-size: 1.9rem; }
.form.sent .form__body { display: none; }

.map { margin-top: 24px; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; height: 280px; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(.35); }

/* =========================================================
   FOOTER
   ========================================================= */
.footer { background: var(--petrol-950); color: #cfe7e4; padding-top: clamp(60px,7vw,96px); position: relative; overflow: hidden; }
.footer__word {
  font-family: var(--font-display); font-weight: 900; letter-spacing: -.03em;
  font-size: clamp(3.4rem, 13vw, 11.5rem); line-height: .9; text-transform: uppercase;
  color: transparent; -webkit-text-stroke: 1px rgba(255,255,255,.13);
  user-select: none; pointer-events: none; white-space: nowrap;
  margin-bottom: clamp(30px, 5vw, 60px);
}
.footer__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 54px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer__brand img { height: 46px; margin-bottom: 22px; }
.footer__brand p { color: #9fc6c1; font-size: .95rem; max-width: 38ch; }
.footer h4 { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--turq); margin-bottom: 22px; }
.footer ul li { margin-bottom: 12px; }
.footer ul a, .footer__col a { color: #cfe7e4; font-size: .95rem; transition: color .3s, padding .3s; }
.footer ul a:hover { color: #fff; padding-left: 6px; }
.footer__col p { color: #9fc6c1; font-size: .95rem; margin-bottom: 12px; }
.footer__col a:hover { color: #fff; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-block: 28px; flex-wrap: wrap; }
.footer__bottom p { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .1em; color: #7faaa5; }
.footer__bottom .socials { padding: 0; border: none; }
.footer__bottom .socials a { border-color: rgba(255,255,255,.18); color: #cfe7e4; }
.footer__bottom .socials a:hover { background: var(--terra); border-color: var(--terra); color: #2a1207; }

/* ---------- WhatsApp float ---------- */
.wa-float {
  position: fixed; right: 26px; bottom: 26px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff;
  display: grid; place-items: center; font-size: 1.65rem; box-shadow: 0 10px 30px rgba(37,211,102,.42);
  transition: transform .35s var(--ease);
}
.wa-float:hover { transform: scale(1.1) translateY(-3px); }
.wa-float::after { content:""; position:absolute; inset:0; border-radius:50%; border:2px solid #25d366; animation: ping 2.2s ease-out infinite; }
@keyframes ping { 0%{ transform:scale(1); opacity:.7 } 100%{ transform:scale(1.7); opacity:0 } }

/* =========================================================
   PROJECT DETAIL PAGE
   ========================================================= */
.pmeta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-block: 1px solid var(--line); margin-top: clamp(26px, 4vw, 40px);
}
.pmeta .m { padding: 20px 18px 20px 0; border-right: 1px solid var(--line); }
.pmeta .m:not(:first-child) { padding-left: 18px; }
.pmeta .m:last-child { border-right: none; }
.pmeta span { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); display: block; margin-bottom: 6px; }
.pmeta b { font-weight: 700; font-size: .95rem; color: var(--ink); }

.phero .ph-frame {
  display: block; width: 100%; padding: 0; border: none;
  border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow-lg); cursor: zoom-in; position: relative;
}
.phero .ph-frame img { width: 100%; max-height: 68vh; object-fit: cover; transition: transform .8s var(--ease); }
.phero .ph-frame:hover img { transform: scale(1.025); }
.phero .ph-frame::after {
  content: "\2922  Click to enlarge"; position: absolute; right: 16px; bottom: 14px;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase;
  background: rgba(3,42,46,.72); color: #fff; padding: 9px 14px; border-radius: 100px;
  opacity: 0; transition: opacity .35s; backdrop-filter: blur(4px);
}
.phero .ph-frame:hover::after { opacity: 1; }

.pdetail__grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(34px, 5vw, 70px); align-items: start; }
.pdetail__copy p { color: var(--ink-soft); margin-bottom: 20px; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
.chip {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  background: var(--mint); color: var(--petrol); padding: 10px 16px; border-radius: 100px;
}
.scope-card {
  border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper);
  padding: clamp(26px, 3vw, 38px); box-shadow: var(--shadow-sm);
  position: sticky; top: 96px;
}
.scope-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; margin-bottom: 14px; letter-spacing: -.01em; }
.scope-card ul li {
  display: flex; align-items: center; gap: 12px;
  padding-block: 12px; border-bottom: 1px solid var(--line-soft);
  font-size: .95rem; color: var(--ink-soft); font-weight: 600;
}
.scope-card ul li:last-child { border-bottom: none; }
.scope-card ul li i { color: var(--teal); font-size: .8rem; flex: none; width: 26px; height: 26px; background: var(--mint); border-radius: 50%; display: grid; place-items: center; }

.pnav { border-block: 1px solid var(--line); background: var(--paper); }
.pnav__inner { display: flex; align-items: stretch; justify-content: space-between; gap: 16px; }
.pnav__link { display: flex; flex-direction: column; gap: 6px; padding-block: 30px; min-width: 0; flex: 1; transition: color .3s; }
.pnav__link--next { text-align: right; align-items: flex-end; }
.pnav__link .lbl { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); display: inline-flex; align-items: center; gap: 10px; }
.pnav__link .ttl { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.05rem, 2vw, 1.4rem); letter-spacing: -.01em; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; transition: color .3s; }
.pnav__link:hover .ttl { color: var(--petrol); }
.pnav__all {
  align-self: center; flex: none; width: 52px; height: 52px; border: 1px solid var(--line); border-radius: 50%;
  display: grid; place-items: center; color: var(--ink-soft); transition: .3s var(--ease);
}
.pnav__all:hover { background: var(--petrol); border-color: var(--petrol); color: #fff; transform: rotate(90deg); }

/* project gallery */
.pgallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.pgallery .gshot {
  position: relative; border: none; padding: 0; border-radius: var(--radius-lg);
  overflow: hidden; cursor: zoom-in; aspect-ratio: 4/3; background: var(--petrol-900);
}
.pgallery .gshot:first-child { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.pgallery .gshot img { width: 100%; height: 100%; object-fit: cover; transition: transform .75s var(--ease); }
.pgallery .gshot:hover img { transform: scale(1.07); }
.pgallery .gshot::after {
  content: "+"; position: absolute; right: 12px; bottom: 12px; width: 36px; height: 36px;
  background: rgba(3,42,46,.72); color: #fff; border-radius: 50%; display: grid; place-items: center;
  font-size: 1.15rem; opacity: 0; transition: opacity .35s; backdrop-filter: blur(4px);
}
.pgallery .gshot:hover::after { opacity: 1; }

/* header right cluster + register button */
.header__cta { display: flex; align-items: center; gap: 16px; z-index: 2; }
.btn--sm { padding: 13px 24px; font-size: .72rem; }

/* narrow form (homepage) */
.form--narrow { max-width: 880px; margin-inline: auto; }

/* =========================================================
   REVEAL ANIMATION
   ========================================================= */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
[data-reveal].in { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .08s; }
[data-reveal][data-delay="2"] { transition-delay: .16s; }
[data-reveal][data-delay="3"] { transition-delay: .24s; }
[data-reveal][data-delay="4"] { transition-delay: .32s; }
[data-reveal][data-delay="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  [data-reveal] { opacity: 1; transform: none; }
  body::after { display: none; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 980px) {
  .nav, .header__cta .btn { display: none; }
  .burger { display: flex; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__media { max-width: 480px; margin-top: 14px; }
  .about__grid, .contact__grid { grid-template-columns: 1fr; }
  .features, .services, .projects { grid-template-columns: repeat(2, 1fr); }
  .pgallery { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .step::before { right: 0; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .project--wide { grid-column: span 2; }
}
@media (max-width: 640px) {
  body { font-size: 16px; }
  .features, .services, .projects, .process { grid-template-columns: 1fr; }
  .statstrip { grid-template-columns: 1fr; }
  .statstrip .cell { border-right: none; border-bottom: 1px solid var(--line); }
  .statstrip .cell:not(:first-child) { padding-left: 0; }
  .statstrip .cell:last-child { border-bottom: none; }
  .form__row { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr; gap: 32px; }
  .hero__badge { left: 0; }
  .hero__media::before { display: none; }
  .project--wide { grid-column: span 1; aspect-ratio: 4/3; }
  .sec-head { flex-direction: column; align-items: flex-start; }
  .lightbox__nav { display: none; }
  .pgallery { grid-template-columns: 1fr; }
  .pgallery .gshot:first-child { grid-column: span 1; grid-row: span 1; aspect-ratio: 4/3; }
  .btn--sm { padding: 10px 14px; font-size: .62rem; }
  .pmeta { grid-template-columns: 1fr; }
  .pmeta .m { border-right: none; border-bottom: 1px solid var(--line-soft); padding-left: 0 !important; }
  .pmeta .m:last-child { border-bottom: none; }
  .pnav__inner { flex-direction: column; align-items: stretch; gap: 0; }
  .pnav__link { padding-block: 18px; }
  .pnav__link--next { align-items: flex-start; text-align: left; }
  .pnav__all { display: none; }
}
@media (max-width: 980px) and (min-width: 641px) {
  .pmeta { grid-template-columns: repeat(2, 1fr); }
  .pmeta .m:nth-child(2n) { border-right: none; }
  .pmeta .m:nth-child(-n+2) { border-bottom: 1px solid var(--line-soft); }
}
@media (max-width: 980px) {
  .pdetail__grid { grid-template-columns: 1fr; }
  .scope-card { position: static; }
}