/* ============================================================
   ICTUS Projects corporate site
   Palette: deep navy ink, cool off-white, gold hairline, azure
   Type: Schibsted Grotesk (display) / IBM Plex Sans (body) / IBM Plex Mono (labels)
   ============================================================ */

:root {
  --ink:        #0a1a2f;
  --ink-2:      #102a4c;
  --ink-3:      #1c3a64;
  --navy-line:  #223c63;
  --azure:      #3d7bff;
  --azure-2:    #2a63e0;
  --gold:       #c9a24b;
  --gold-soft:  #e3c789;
  --paper:      #f5f7fb;
  --paper-2:    #eef2f8;
  --white:      #ffffff;
  --text:       #16263d;
  --text-soft:  #51617a;
  --text-mute:  #8492a8;
  --line:       #e2e8f1;
  --line-soft:  #edf1f7;

  --maxw: 1180px;
  --radius: 16px;
  --radius-sm: 11px;
  --shadow-sm: 0 1px 2px rgba(10,26,47,.06), 0 2px 8px rgba(10,26,47,.05);
  --shadow-md: 0 10px 30px -12px rgba(10,26,47,.22);
  --shadow-lg: 0 30px 70px -30px rgba(10,26,47,.45);

  --display: "Schibsted Grotesk", "Helvetica Neue", sans-serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

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

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--text);
  background: var(--paper);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 0 0 .5em;
}

p { margin: 0 0 1em; }
a { color: var(--azure-2); text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: 104px 0; }

.kicker {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--azure-2);
  margin: 0 0 16px;
}
.kicker.light { color: var(--gold-soft); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em;
  font-family: var(--body); font-weight: 600; font-size: 15.5px;
  padding: 13px 24px; border-radius: 999px; border: 1px solid transparent;
  cursor: pointer; transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn-primary { background: var(--azure); color: #fff; box-shadow: 0 8px 20px -8px rgba(61,123,255,.7); }
.btn-primary:hover { background: var(--azure-2); transform: translateY(-2px); box-shadow: 0 14px 26px -10px rgba(61,123,255,.75); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--navy-line); }
.hero .btn-ghost { color: #eaf0fb; border-color: rgba(255,255,255,.28); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245,247,251,.82);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s, box-shadow .3s;
}
.site-header.scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px -16px rgba(10,26,47,.5); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand-mark { display: inline-flex; filter: drop-shadow(0 4px 10px rgba(10,26,47,.18)); }
.brand-text { display: inline-flex; align-items: baseline; gap: 6px; font-family: var(--display); }
.brand-text strong { font-weight: 800; font-size: 20px; letter-spacing: -.01em; color: var(--ink); }
.brand-text em {
  font-style: normal; font-family: var(--mono); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--text-mute); transform: translateY(-1px);
}

.main-nav { display: flex; gap: 30px; margin-left: auto; }
.main-nav a {
  position: relative; color: var(--text-soft); font-weight: 500; font-size: 15.5px; padding: 6px 0;
  transition: color .2s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--gold); transition: width .28s var(--ease);
}
.main-nav a:hover { color: var(--ink); }
.main-nav a:hover::after { width: 100%; }

.header-cta { padding: 10px 20px; }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px;
  align-items: center; justify-content: center; background: none; border: 1px solid var(--line);
  border-radius: 10px; cursor: pointer; margin-left: auto;
}
.nav-toggle span { width: 19px; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; color: #eaf0fb; background: var(--ink); overflow: hidden; }
.hero-inner { position: relative; z-index: 2; padding: 116px 24px 92px; max-width: 920px; margin: 0 auto; text-align: left; }
.hero-bg { position: absolute; inset: 0; z-index: 1; }
.hero-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(rgba(110,140,200,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110,140,200,.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(120% 90% at 60% 0%, #000 30%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 90% at 60% 0%, #000 30%, transparent 78%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .55; }
.glow-1 { width: 540px; height: 540px; top: -180px; right: -120px; background: radial-gradient(circle, rgba(61,123,255,.55), transparent 65%); animation: float1 16s ease-in-out infinite; }
.glow-2 { width: 460px; height: 460px; bottom: -220px; left: -120px; background: radial-gradient(circle, rgba(201,162,75,.42), transparent 65%); animation: float2 19s ease-in-out infinite; }
@keyframes float1 { 50% { transform: translate(-30px, 40px) scale(1.08); } }
@keyframes float2 { 50% { transform: translate(40px, -30px) scale(1.06); } }

.hero .eyebrow {
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold-soft); margin: 0 0 22px;
}
.hero-title {
  font-size: clamp(2.7rem, 6.4vw, 4.7rem); font-weight: 800; color: #fff;
  letter-spacing: -.035em; margin: 0 0 24px;
}
.hero-title .accent {
  background: linear-gradient(100deg, var(--gold-soft), var(--gold));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-lead { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color: #c3d0e6; max-width: 660px; margin: 0 0 38px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 64px; }

.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin: 0;
  padding-top: 40px; border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stats .stat dt {
  font-family: var(--display); font-weight: 800; font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  color: #fff; line-height: 1; margin: 0 0 8px;
}
.hero-stats .stat dd { margin: 0; font-size: 13.5px; color: var(--text-mute); color: #9fb0ca; letter-spacing: .01em; }

/* ---------- Trust strip ---------- */
.trust { background: var(--ink-2); border-top: 1px solid rgba(255,255,255,.06); }
.trust-inner { display: flex; align-items: center; gap: 34px; padding: 26px 24px; flex-wrap: wrap; }
.trust-label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase; color: #7e90ad; white-space: nowrap; }
.trust-logos { list-style: none; display: flex; flex-wrap: wrap; gap: 34px; margin: 0; padding: 0; }
.trust-logos li {
  font-family: var(--display); font-weight: 700; font-size: 19px; letter-spacing: .01em;
  color: #b9c6dc; opacity: .85; transition: opacity .25s, color .25s;
}
.trust-logos li:hover { opacity: 1; color: #fff; }

/* ---------- About ---------- */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1.25fr .9fr; gap: 64px; align-items: start; }
.about-copy h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin-bottom: 22px; }
.about-copy p { color: var(--text-soft); margin-bottom: 18px; }
.about-points { list-style: none; padding: 0; margin: 28px 0 0; }
.about-points li { display: flex; align-items: flex-start; gap: 12px; padding: 9px 0; color: var(--text); font-weight: 500; }
.tick { flex: none; width: 22px; height: 22px; margin-top: 2px; border-radius: 50%; background: rgba(61,123,255,.12); position: relative; }
.tick::after { content: ""; position: absolute; left: 7px; top: 5px; width: 5px; height: 9px; border: solid var(--azure-2); border-width: 0 2px 2px 0; transform: rotate(45deg); }

.about-card {
  background: linear-gradient(165deg, var(--ink), var(--ink-2));
  color: #dce5f3; border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden;
}
.about-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--gold), var(--azure)); }
.about-card h3 { color: #fff; font-size: 1.3rem; margin-bottom: 10px; }
.about-card p { color: #aebdd6; font-size: 15px; margin-bottom: 22px; }
.about-pills { display: flex; flex-wrap: wrap; gap: 9px; }
.about-pills span {
  font-size: 13px; font-weight: 500; padding: 7px 13px; border-radius: 999px;
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); color: #c7d3e8;
}

/* ---------- Section heads ---------- */
.section-head { max-width: 680px; margin: 0 0 56px; }
.section-head h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 16px; }
.section-sub { color: var(--text-soft); font-size: 1.06rem; margin: 0; }

/* ---------- Solutions ---------- */
.solutions { background: var(--paper); }
.group-title {
  font-family: var(--mono); font-weight: 500; font-size: 13px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-mute); margin: 0 0 22px; padding-bottom: 14px; border-bottom: 1px solid var(--line);
}
.group-title:not(:first-of-type) { margin-top: 64px; }

.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 28px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative; overflow: hidden;
}
.card::after { content: ""; position: absolute; left: 0; top: 0; height: 100%; width: 3px; background: var(--azure); transform: scaleY(0); transform-origin: top; transition: transform .35s var(--ease); }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: #d2def0; }
.card:hover::after { transform: scaleY(1); }
.card-soft { background: linear-gradient(180deg, #fbfcfe, #f4f7fc); }

.card-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 50px; height: 50px; border-radius: 13px; margin-bottom: 20px;
  background: linear-gradient(160deg, rgba(61,123,255,.13), rgba(61,123,255,.05));
  border: 1px solid rgba(61,123,255,.16);
}
.card-icon svg { width: 25px; height: 25px; fill: none; stroke: var(--azure-2); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.card h4 { font-size: 1.2rem; margin-bottom: 10px; }
.card p { color: var(--text-soft); font-size: 15px; margin: 0; }

/* expandable card detail */
.card-toggle {
  display: inline-flex; align-items: center; gap: 7px; margin-top: 18px;
  background: none; border: none; padding: 0; cursor: pointer;
  font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .1em;
  text-transform: uppercase; color: var(--azure-2); transition: color .2s;
}
.card-toggle:hover { color: var(--ink); }
.ct-chevron { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .3s var(--ease); }
.card-toggle[aria-expanded="true"] .ct-chevron { transform: rotate(180deg); }

.card-detail { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .38s var(--ease); }
.card-detail.open { grid-template-rows: 1fr; }
.card-detail-inner { overflow: hidden; min-height: 0; }
.card-detail.open .card-detail-inner { padding-top: 18px; margin-top: 18px; border-top: 1px solid var(--line); }
.card-detail h5 {
  font-family: var(--mono); font-weight: 500; font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--gold); margin: 16px 0 8px;
}
.card-detail h5:first-child { margin-top: 0; }
.card-detail ul { margin: 0 0 4px; padding: 0; list-style: none; }
.card-detail li { position: relative; padding: 5px 0 5px 18px; font-size: 14px; color: var(--text-soft); line-height: 1.5; }
.card-detail li::before { content: ""; position: absolute; left: 0; top: 12px; width: 6px; height: 6px; border-radius: 50%; background: var(--azure); opacity: .55; }
.card-detail li strong { color: var(--text); font-weight: 600; }
.card-detail .detail-foot { font-size: 14px; color: var(--text-soft); margin: 8px 0 0; }

/* ---------- Industries ---------- */
.industries { background: var(--white); }
.industry-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.industry-grid li {
  position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 26px 22px; font-family: var(--display); font-weight: 600; font-size: 1.08rem; color: var(--ink);
  transition: background .25s, color .25s, border-color .25s, transform .25s;
}
.industry-grid li span { display: block; font-family: var(--mono); font-size: 12px; color: var(--gold); margin-bottom: 12px; letter-spacing: .1em; }
.industry-grid li:not(.industry-cta):hover { background: var(--ink); color: #fff; border-color: var(--ink); transform: translateY(-3px); }
.industry-grid li:not(.industry-cta):hover span { color: var(--gold-soft); }
.industry-cta { display: flex; align-items: center; background: transparent; border-style: dashed; }
.industry-cta a { font-weight: 600; font-size: .98rem; }

/* ---------- Why ---------- */
.why { background: var(--ink); color: #d7e1f1; position: relative; overflow: hidden; }
.why::before { content: ""; position: absolute; top: -160px; right: -120px; width: 460px; height: 460px; border-radius: 50%; background: radial-gradient(circle, rgba(61,123,255,.28), transparent 65%); filter: blur(60px); }
.why-grid { position: relative; z-index: 1; display: grid; grid-template-columns: .9fr 1.3fr; gap: 60px; align-items: start; }
.why-head h2 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
.why-head p { color: #a9b9d3; }
.why-items { display: grid; grid-template-columns: 1fr 1fr; gap: 32px 40px; }
.why-item { padding-top: 22px; border-top: 1px solid rgba(255,255,255,.14); }
.why-item h4 { color: #fff; font-size: 1.12rem; margin-bottom: 8px; }
.why-item p { color: #a9b9d3; font-size: 15px; margin: 0; }

/* ---------- Partners ---------- */
.partners { background: var(--paper); }
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.partner {
  display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 26px 24px; color: var(--ink);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
}
.partner strong { font-family: var(--display); font-size: 1.18rem; font-weight: 700; line-height: 1.2; }
.partner-role { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--azure-2); margin: 6px 0 12px; }
.partner p { font-size: 14px; color: var(--text-soft); margin: 0 0 16px; line-height: 1.55; }
.partner-link { margin-top: auto; font-size: 13px; font-weight: 600; color: var(--gold); display: inline-flex; align-items: center; gap: 6px; }
.partner-link::after { content: "\2197"; font-size: 13px; transition: transform .2s; }
.partner:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--gold); }
.partner:hover .partner-link::after { transform: translate(2px, -2px); }

/* ---------- Contact ---------- */
.contact { background: linear-gradient(180deg, var(--ink-2), var(--ink)); color: #dce5f3; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy h2 { color: #fff; font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
.contact-copy > p { color: #aebdd6; max-width: 440px; }
.contact-blocks { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 36px; }
.contact-block { display: flex; flex-direction: column; gap: 3px; }
.contact-role { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-soft); margin-bottom: 4px; }
.contact-block a { color: #eaf0fb; font-weight: 500; }
.contact-block a:hover { color: #fff; text-decoration: underline; text-decoration-color: var(--gold); }
.contact-block address { font-style: normal; color: #c3d0e6; font-size: 15px; line-height: 1.7; }

.contact-form { background: var(--white); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-lg); }
.field { margin-bottom: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--body); font-size: 15px; color: var(--text);
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fbfcfe;
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: #aab6c8; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--azure); box-shadow: 0 0 0 3px rgba(61,123,255,.16); background: #fff;
}
.form-note { font-size: 13px; color: var(--text-mute); margin: 16px 0 0; text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--ink); color: #9fb0ca; padding: 64px 0 28px; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 2fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-logo strong { color: #fff; font-size: 22px; font-weight: 800; }
.footer-logo em { color: #7e90ad; }
.footer-brand p { margin-top: 14px; max-width: 320px; font-size: 14.5px; color: #8ea0bc; }
.footer-nav { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-nav h5 { color: #fff; font-family: var(--display); font-size: 14px; letter-spacing: .04em; margin: 0 0 14px; }
.footer-nav a { display: block; color: #9fb0ca; font-size: 14.5px; padding: 5px 0; transition: color .2s; }
.footer-nav a:hover { color: var(--gold-soft); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 24px; font-size: 13px; color: #6f809c; flex-wrap: wrap; gap: 8px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.card.reveal, .partner.reveal, .industry-grid li.reveal, .why-item.reveal { transition-delay: var(--d, 0ms); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-glow { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .why-items { gap: 28px 32px; }
  .footer-inner { grid-template-columns: 1fr; gap: 36px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .industry-grid { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .main-nav {
    position: fixed; inset: 72px 0 auto; flex-direction: column; gap: 0;
    background: var(--white); border-bottom: 1px solid var(--line); padding: 12px 24px 22px;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
    box-shadow: var(--shadow-md); margin-left: 0;
  }
  .main-nav.open { transform: none; opacity: 1; pointer-events: auto; }
  .main-nav a { padding: 14px 0; border-bottom: 1px solid var(--line-soft); font-size: 1.05rem; }
  .main-nav a::after { display: none; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .header-inner { gap: 12px; }
}

@media (max-width: 620px) {
  .section { padding: 72px 0; }
  .hero-inner { padding: 84px 22px 64px; }
  .hero-stats { grid-template-columns: 1fr 1fr; gap: 26px 16px; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { flex: 1 1 auto; }
  .card-grid, .card-grid-2, .industry-grid, .partner-grid, .field-row, .contact-blocks, .why-items, .footer-nav { grid-template-columns: 1fr; }
  .trust-inner { gap: 16px; }
  .trust-logos { gap: 22px; }
  .trust-logos li { font-size: 17px; }
  .footer-nav { gap: 24px; }
}