/* =====================================================================
   PRECISE ADVANCERS — 2026 upgrade
   Same brand colours as the 2016 site (navy stripes · silver · logo red)
   rendered as clear "epoxy crystal" glass with 3D depth.
   ===================================================================== */

:root {
  /* brand — sampled from the original 2016 artwork */
  --navy-950: #0b131b;
  --navy-900: #111c26;
  --navy-800: #172533;
  --navy-700: #20303c;
  --navy-600: #2b4256;
  --steel-400: #6d8aa6;
  --red: #e8364a;
  --red-deep: #b8202f;
  --silver-50: #f6f5f1;
  --silver-100: #ebe9e3;
  --silver-300: #cfccc4;
  --silver-500: #9d9b96;
  --ink: #1a2530;
  --ink-soft: #4a5866;
  --white: #ffffff;

  /* "Our Offer" tile colours from the original tiles */
  --pd: #24344b;
  --pp: #6b1426;
  --pn: #0f4d68;
  --pm: #8a4310;
  --pe: #0c5049;
  --po: #55236b;

  /* crystal glass */
  --glass-fill: linear-gradient(140deg, rgba(255,255,255,.20) 0%, rgba(255,255,255,.06) 42%, rgba(255,255,255,.12) 100%);
  --glass-edge: rgba(255,255,255,.38);
  --glass-shadow: 0 1px 0 rgba(255,255,255,.55) inset, 0 -18px 40px rgba(0,0,0,.18) inset, 0 40px 80px -30px rgba(0,0,0,.65), 0 12px 24px -12px rgba(0,0,0,.45);
  --radius: 22px;
  --radius-sm: 14px;

  --font-display: "Orbitron", "Segoe UI", sans-serif;
  --font-head: "Exo 2", "Segoe UI", sans-serif;
  --font-body: "Open Sans", "Segoe UI", Calibri, sans-serif;

  --wrap: 1180px;
  --ease: cubic-bezier(.2,.8,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--silver-50);
  background-color: var(--navy-900);
  /* the original diagonal pin-stripe texture, now pure CSS */
  background-image:
    radial-gradient(1200px 700px at 50% -10%, rgba(80,120,160,.35), transparent 70%),
    repeating-linear-gradient(135deg, rgba(0,0,0,.28) 0 2px, transparent 2px 9px),
    linear-gradient(180deg, var(--navy-700), var(--navy-950));
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh; display: flex; flex-direction: column;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--red); color: #fff; padding: 8px 14px; border-radius: 8px; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid #8fc3ff; outline-offset: 3px; }

/* ---------- floating crystal shards (depth layer behind everything) ---------- */
.depth { position: fixed; inset: 0; pointer-events: none; z-index: -1; overflow: hidden; }
.depth span {
  position: absolute; display: block; border-radius: 28%;
  background: linear-gradient(135deg, rgba(255,255,255,.16), rgba(255,255,255,0) 60%);
  border: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(2px);
  animation: drift 26s var(--ease) infinite alternate;
}
.depth span:nth-child(1) { width: 220px; height: 220px; left: -60px; top: 18%; transform: rotate(18deg); }
.depth span:nth-child(2) { width: 140px; height: 140px; right: 6%; top: 8%; animation-duration: 32s; }
.depth span:nth-child(3) { width: 320px; height: 320px; right: -120px; top: 55%; animation-duration: 38s; }
.depth span:nth-child(4) { width: 90px; height: 90px; left: 12%; bottom: 8%; animation-duration: 22s; background: linear-gradient(135deg, rgba(232,54,74,.28), transparent 70%); }
.depth span:nth-child(5) { width: 60px; height: 60px; left: 48%; top: 30%; animation-duration: 18s; }
@keyframes drift {
  from { transform: translate3d(0,0,0) rotate(0deg); }
  to   { transform: translate3d(30px,-50px,0) rotate(40deg); }
}

/* ---------- crystal glass primitive ---------- */
.crystal {
  position: relative;
  background: var(--glass-fill);
  border: 1px solid var(--glass-edge);
  border-radius: var(--radius);
  box-shadow: var(--glass-shadow);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  isolation: isolate;
}
/* glossy epoxy dome highlight */
.crystal::before {
  content: ""; position: absolute; inset: 1px 1px auto 1px; height: 46%;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 50% 50% / calc(var(--radius) - 1px) calc(var(--radius) - 1px) 18% 18%;
  background: linear-gradient(180deg, rgba(255,255,255,.28), rgba(255,255,255,0));
  pointer-events: none; z-index: -1;
}
/* bright edge glint */
.crystal::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.22) 45%, transparent 55%);
  background-size: 250% 100%; background-position: 120% 0;
  transition: background-position 1.1s var(--ease);
}
.crystal:hover::after { background-position: -40% 0; }

/* silver epoxy — the light content band of the original pages */
.crystal.silver {
  color: var(--ink);
  background: linear-gradient(160deg, rgba(255,255,255,.92) 0%, rgba(235,233,227,.86) 55%, rgba(207,204,196,.84) 100%);
  border-color: rgba(255,255,255,.85);
}
.crystal.silver::before { background: linear-gradient(180deg, rgba(255,255,255,.7), rgba(255,255,255,0)); }
.crystal.silver h2, .crystal.silver h3 { color: var(--navy-800); }
.crystal.silver p, .crystal.silver li { color: var(--ink); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50; padding: 14px 0;
  transition: padding .3s var(--ease);
}
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 10px 18px 10px 14px; border-radius: 999px;
  --radius: 999px;
}
.site-header.scrolled { padding: 6px 0; }
.site-header.scrolled .bar { background: linear-gradient(180deg, rgba(43,66,86,.97), rgba(17,28,38,.97)); }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand img { width: 42px; height: 42px; border-radius: 10px; filter: drop-shadow(0 4px 6px rgba(0,0,0,.5)); }
.brand .words { display: grid; line-height: 1; }
.brand .pre { font: italic 600 .72rem/1 var(--font-head); letter-spacing: .32em; color: #dfe7ef; }
.brand .adv { font: 800 1.35rem/1.05 var(--font-display); letter-spacing: .14em; color: #fff; text-shadow: 0 2px 0 rgba(0,0,0,.35); }
.brand .tag { font: 500 .52rem/1 var(--font-head); letter-spacing: .3em; color: #b9c6d3; margin-top: 3px; }

.nav { display: flex; gap: 6px; }
.nav a {
  position: relative; text-decoration: none; font: 600 1rem var(--font-head);
  padding: 9px 16px; border-radius: 999px; color: #fff;
  transition: background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
}
.nav a:hover { background: rgba(255,255,255,.12); transform: translateY(-1px); }
.nav a[aria-current="page"] {
  color: #9cc8ff;
  background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.04));
  box-shadow: 0 1px 0 rgba(255,255,255,.4) inset, 0 6px 14px -6px rgba(0,0,0,.6);
}
.menu-btn {
  display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--glass-edge);
  background: rgba(255,255,255,.1); color: #fff; cursor: pointer; place-items: center;
}
.menu-btn svg { width: 22px; height: 22px; }

/* ---------- generic sections ---------- */
main { display: block; flex: 1 0 auto; padding-bottom: 40px; }
.section { padding: 34px 0; }
.page-title {
  text-align: center; margin: 34px auto 24px; padding: 0 16px; max-width: var(--wrap);
  font: 800 clamp(1.35rem, 3.2vw, 2.3rem)/1.2 var(--font-display); letter-spacing: .05em;
  text-shadow: 0 3px 0 rgba(0,0,0,.35), 0 0 30px rgba(120,170,220,.35);
}
.page-sub { text-align: center; color: #c7d3df; margin: -10px auto 26px; padding: 0 16px; max-width: 640px; }
.eyebrow { font: 700 .75rem var(--font-head); letter-spacing: .3em; text-transform: uppercase; color: var(--red); }

.btn {
  display: inline-flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer;
  font: 700 1rem var(--font-head); color: #fff; padding: 12px 24px; border-radius: 999px; border: 1px solid rgba(255,255,255,.35);
  background: linear-gradient(180deg, #3a5068 0%, var(--navy-800) 55%, var(--navy-950) 100%);
  box-shadow: 0 1px 0 rgba(255,255,255,.45) inset, 0 -6px 12px rgba(0,0,0,.35) inset, 0 12px 22px -10px rgba(0,0,0,.8);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 1px 0 rgba(255,255,255,.5) inset, 0 -6px 12px rgba(0,0,0,.35) inset, 0 18px 28px -10px rgba(0,0,0,.85); }
.btn.red { background: linear-gradient(180deg, #ff6274 0%, var(--red) 50%, var(--red-deep) 100%); }
.btn svg { width: 18px; height: 18px; }

/* ---------- home: hero ---------- */
.hero { display: grid; grid-template-columns: 1.55fr 1fr; gap: 26px; align-items: stretch; padding-top: 18px; }
.slider { padding: 14px; overflow: hidden; }
.slides { position: relative; aspect-ratio: 652 / 258; border-radius: var(--radius-sm); overflow: hidden; background: var(--navy-950); }
.slides picture, .slides img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.slides picture { opacity: 0; transform: scale(1.04); transition: opacity .9s var(--ease), transform 5s linear; }
.slides picture.on { opacity: 1; transform: scale(1); }
.slider-ctl { display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 12px; }
.slider-ctl button.arrow {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--glass-edge); cursor: pointer;
  background: rgba(255,255,255,.12); color: #fff; font-size: 1rem;
}
.dots { display: flex; gap: 8px; }
.dots button { width: 11px; height: 11px; padding: 0; border-radius: 50%; border: 1px solid rgba(255,255,255,.6); background: transparent; cursor: pointer; }
.dots button[aria-current="true"] { background: var(--red); border-color: var(--red); box-shadow: 0 0 10px rgba(232,54,74,.8); }

.welcome { padding: 26px 26px 22px; display: flex; flex-direction: column; }
.welcome h1 { font: 700 1.6rem/1.15 var(--font-head); color: #d8cfa6; margin-bottom: .6em; }
.welcome p { color: #e9eef3; }
.welcome strong { color: #fff; letter-spacing: .02em; }
.welcome .btn { margin-top: auto; align-self: flex-start; }

/* ---------- home: "Our Offer" 3D tiles ---------- */
.offer-head { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: 10px; margin: 46px 0 22px; }
.offer-head h2 { font: 800 clamp(1.8rem, 4vw, 2.6rem) var(--font-head); color: #9cc8ff; margin: 0; text-shadow: 0 3px 0 rgba(0,0,0,.4); }
.offer-head .tagline { font: 800 clamp(1.1rem, 2.6vw, 1.6rem) var(--font-head); color: #ff8a97; letter-spacing: .04em; text-shadow: 0 2px 0 rgba(0,0,0,.4); }
.tiles { display: grid; grid-template-columns: repeat(6, minmax(0, 150px)); justify-content: space-between; gap: 18px; padding-bottom: 10px; }
/* real 3D push-buttons: glossy face + solid coloured side that presses down */
.tile {
  --c: var(--pd);
  position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  text-align: center; text-decoration: none; aspect-ratio: 1 / 1; border-radius: 20px; padding: 12px 8px;
  background: linear-gradient(180deg, rgba(255,255,255,.34) 0%, rgba(255,255,255,.08) 46%, rgba(0,0,0,.18) 100%), var(--c);
  border: 1px solid rgba(255,255,255,.5);
  box-shadow:
    0 1px 0 rgba(255,255,255,.7) inset, 0 -8px 16px rgba(0,0,0,.25) inset,
    0 9px 0 color-mix(in srgb, var(--c) 55%, #000), 0 22px 26px -8px rgba(0,0,0,.75);
  transform: translateY(0);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), filter .18s;
}
.tile::before {
  content: ""; position: absolute; inset: 2px 2px 55% 2px; border-radius: 18px 18px 50% 50% / 18px 18px 16% 16%;
  background: linear-gradient(180deg, rgba(255,255,255,.42), rgba(255,255,255,0)); pointer-events: none;
}
.tile:hover, .tile:focus-visible {
  transform: translateY(-4px); filter: brightness(1.1);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 -8px 16px rgba(0,0,0,.25) inset,
    0 13px 0 color-mix(in srgb, var(--c) 55%, #000), 0 30px 30px -8px rgba(0,0,0,.8);
}
.tile:active {
  transform: translateY(7px);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset, 0 -8px 16px rgba(0,0,0,.25) inset,
    0 2px 0 color-mix(in srgb, var(--c) 55%, #000), 0 8px 12px -6px rgba(0,0,0,.8);
}
.tile b { position: relative; font: 900 clamp(1.6rem, 2.8vw, 2.2rem)/1 var(--font-display); color: #fff; letter-spacing: .04em; text-shadow: 0 2px 0 rgba(0,0,0,.45); }
.tile small {
  position: relative; display: block; font: 700 .78rem/1.2 var(--font-head); letter-spacing: .06em; text-transform: uppercase;
  color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,.7);
}
.tile.pd { --c: var(--pd); } .tile.pp { --c: var(--pp); } .tile.pn { --c: var(--pn); }
.tile.pm { --c: var(--pm); } .tile.pe { --c: var(--pe); } .tile.po { --c: var(--po); }

/* ---------- about ---------- */
.about-top { display: grid; grid-template-columns: 1fr 220px; gap: 26px; align-items: center; padding: 28px 30px; }
.about-top img { width: 160px; border-radius: 28px; justify-self: end; box-shadow: 0 24px 40px -18px rgba(0,0,0,.9); }
.about-top h2 { color: #fff; font-size: 1.35rem; margin-top: .4em; }
.about-top p { color: #e1e8ee; margin-left: 1.2em; }
.prose { padding: 30px 34px; margin-top: 24px; }
.prose h2 { font-size: 1.45rem; margin-top: 1.1em; }
.prose h2:first-child { margin-top: 0; }
.prose p { margin-left: 1.2em; }
.vm { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin-top: 24px; }
.vm .crystal { padding: 26px 28px; }
.vm h2 { font-size: 1.35rem; color: #fff; display: flex; align-items: center; gap: 10px; }
.vm h2::before { content: ""; width: 12px; height: 12px; border-radius: 3px; background: var(--red); box-shadow: 0 0 12px rgba(232,54,74,.9); transform: rotate(45deg); }
.vm p { color: #e1e8ee; }

/* ---------- services grid ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card { padding: 14px 14px 20px; text-decoration: none; display: flex; flex-direction: column; transform-style: preserve-3d; transition: transform .35s var(--ease); will-change: transform; }
.card .thumb { border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 316 / 175; border: 1px solid rgba(255,255,255,.6); box-shadow: 0 10px 22px -12px rgba(0,0,0,.9); background: #fff; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.card:hover .thumb img { transform: scale(1.06); }
.card h3 { margin: 16px 6px 4px; font-size: 1.2rem; color: #fff; }
.card p { margin: 0 6px 14px; color: #c9d5e0; font-size: .93rem; }
.card .btn { margin: auto 6px 0; align-self: flex-start; padding: 9px 20px; }

/* ---------- category pages ---------- */
.banner { padding: 12px; margin-top: 10px; }
.banner img { width: 100%; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,.6); }
.cat-body { display: grid; grid-template-columns: 1.35fr 1fr; gap: 26px; margin-top: 26px; align-items: start; }
.cat-text { padding: 28px 30px; }
.cat-text .quote { font-style: italic; font-size: 1.05rem; color: var(--navy-600); border-left: 4px solid var(--red); padding-left: 14px; }
.cat-text h3 { font-size: 1.1rem; margin-top: 1.2em; }
.lists { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 26px; margin-top: 10px; }
.lists ul { list-style: none; margin: 0; padding: 0; }
.lists li { position: relative; padding: 5px 0 5px 22px; font-weight: 600; color: var(--ink-soft); }
.lists li::before { content: ""; position: absolute; left: 2px; top: .85em; width: 9px; height: 9px; border-radius: 2px; transform: rotate(45deg); background: linear-gradient(135deg, var(--red), var(--red-deep)); }
.lists h4 { margin: 10px 0 2px; font: 700 1rem var(--font-head); color: var(--navy-800); }
.side { display: grid; gap: 22px; }
.video { padding: 12px; }
.video h3 { margin: 6px 6px 12px; font-size: 1.1rem; color: #fff; display: flex; align-items: center; gap: 8px; }
.video video { width: 100%; border-radius: var(--radius-sm); background: #000; aspect-ratio: 16 / 9; border: 1px solid rgba(255,255,255,.45); }
.video .note { margin: 10px 6px 2px; font-size: .8rem; color: #b7c4d1; }
.next { padding: 20px 22px; }
.next h3 { font-size: 1rem; color: #fff; margin-bottom: 12px; }
.next nav { display: flex; flex-wrap: wrap; gap: 8px; }
.next a { text-decoration: none; font: 600 .85rem var(--font-head); padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.08); }
.next a:hover { background: rgba(255,255,255,.18); }
.sample { padding: 20px 22px; display: grid; gap: 12px; }
.sample h3 { margin: 0; color: #fff; font-size: 1.05rem; }
.sample img { border-radius: 10px; border: 1px solid rgba(255,255,255,.4); }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.3fr; gap: 26px; margin-top: 10px; }
.contact-card { padding: 30px; display: flex; flex-direction: column; gap: 6px; overflow: hidden; }
.contact-card .big {
  position: absolute; right: -20px; top: -30px; font: 900 13rem/1 var(--font-display); color: rgba(255,255,255,.05); pointer-events: none; z-index: -1;
}
.contact-card img { width: 96px; border-radius: 18px; margin-bottom: 14px; box-shadow: 0 20px 30px -14px rgba(0,0,0,.9); }
.contact-line { display: flex; align-items: center; gap: 14px; padding: 12px 14px; margin: 0 -14px; border-radius: 14px; text-decoration: none; transition: background .25s; word-break: break-word; }
.contact-line:hover { background: rgba(255,255,255,.1); }
.contact-line .ic { flex: none; width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(160deg, rgba(255,255,255,.3), rgba(255,255,255,.06)); border: 1px solid rgba(255,255,255,.35); }
.contact-line .ic svg { width: 18px; height: 18px; }
.contact-line span small { display: block; font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: #9fb2c4; }
.form { padding: 30px; }
.form h2 { font-size: 1.5rem; }
.form p.hint { color: var(--ink-soft); font-size: .92rem; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font: 700 .85rem var(--font-head); color: var(--navy-700); letter-spacing: .04em; }
.field input, .field textarea {
  font: inherit; color: var(--ink); padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(43,66,86,.35);
  background: rgba(255,255,255,.75); box-shadow: 0 2px 6px rgba(0,0,0,.08) inset; transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--steel-400); box-shadow: 0 0 0 4px rgba(109,138,166,.25); }
.field textarea { min-height: 140px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-msg { margin-top: 10px; font-size: .9rem; color: var(--navy-600); min-height: 1.4em; }

/* ---------- portfolio ---------- */
.shots { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 22px; margin-top: 20px; }
.shot { padding: 10px; text-decoration: none; }
.shot img { border-radius: 12px; aspect-ratio: 1002 / 1200; object-fit: cover; object-position: top; width: 100%; }
.shot figcaption { padding: 10px 6px 4px; font: 700 .95rem var(--font-head); }
.lightbox { position: fixed; inset: 0; z-index: 90; display: none; place-items: center; background: rgba(5,10,16,.86); padding: 20px; }
.lightbox.open { display: grid; }
.lightbox img { max-height: 90vh; width: auto; border-radius: 12px; box-shadow: 0 30px 60px rgba(0,0,0,.8); }
.lightbox button { position: absolute; top: 16px; right: 16px; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--glass-edge); background: rgba(255,255,255,.12); color: #fff; font-size: 1.3rem; cursor: pointer; }

/* ---------- footer ---------- */
.site-footer { margin-top: 30px; padding: 26px 0 30px; border-top: 1px solid rgba(255,255,255,.08); background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.35)); }
.foot { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.foot p { margin: 0; color: #a9b8c6; font-size: .88rem; }
.foot .tag { font: 800 .95rem var(--font-head); letter-spacing: .16em; color: #ff8a97; }
.social { display: flex; gap: 10px; }
.social a {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(160deg, rgba(255,255,255,.4), rgba(255,255,255,.04) 45%, rgba(0,0,0,.2)), var(--c, #3b5998);
  border: 1px solid rgba(255,255,255,.45);
  box-shadow: 0 1px 0 rgba(255,255,255,.6) inset, 0 12px 20px -10px rgba(0,0,0,.9);
  transition: transform .3s var(--ease);
}
.social a:hover { transform: translateY(-4px) rotate(-4deg); }
.social svg { width: 18px; height: 18px; }
.social .fb { --c: #1877f2; } .social .yt { --c: #e62117; } .social .gm { --c: #c5221f; } .social .tw { --c: #1d9bf0; }

/* ---------- reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1000px) {
  .hero, .cat-body, .contact-grid { grid-template-columns: 1fr; }
  .tiles { grid-template-columns: repeat(3, minmax(0, 150px)); justify-content: center; gap: 28px 26px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .menu-btn { display: grid; }
  .nav {
    position: absolute; left: 16px; right: 16px; top: calc(100% + 4px); flex-direction: column; padding: 10px;
    border-radius: 20px; background: rgba(17,28,38,.96); border: 1px solid var(--glass-edge); box-shadow: var(--glass-shadow);
    opacity: 0; pointer-events: none; transform: translateY(-8px); transition: opacity .25s, transform .25s;
  }
  .nav.open { opacity: 1; pointer-events: auto; transform: none; }
  .nav a { padding: 12px 16px; }
  .site-header .wrap { position: relative; }
  .brand .adv { font-size: 1.1rem; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 150px)); gap: 26px 22px; }
  .cards, .vm, .lists, .row2 { grid-template-columns: 1fr; }
  .about-top { grid-template-columns: 1fr; }
  .about-top img { justify-self: start; width: 140px; }
  .prose, .cat-text, .form, .contact-card { padding: 22px; }
  .prose p, .about-top p { margin-left: 0; }
  .foot { flex-direction: column; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* GitHub copy only: school row on top of the home page */
.school-row {
  background: linear-gradient(180deg, #05090d, #0b131b); border-bottom: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 1px 0 rgba(232,54,74,.55); text-align: center; padding: 9px 16px;
  font: 700 .95rem/1.35 var(--font-head); letter-spacing: .08em; color: #e6edf3;
}