/* ════════════════════════════════════════════════════════════════
   PERE TECH SOLUTIONS — EDITORIAL REDESIGN
   Design tokens
   ════════════════════════════════════════════════════════════════ */
:root {
  /* color */
  --black:        #0A0A0A;
  --soft-black:   #111214;
  --white:        #FFFFFF;
  --off-white:    #F5F5F2;
  --navy:         #1B2D6B;
  --navy-deep:    #101c45;
  --blue:         #4257FF;
  --blue-soft:    #6C7DFF;
  --orange:       #E8590C;
  --gray:         #737373;
  --gray-light:   #A3A3A3;
  --border-dark:  rgba(255,255,255,0.12);
  --border-light: #E5E5E5;

  /* type */
  --font-head: 'Manrope', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --h-hero: clamp(2.5rem, 5.6vw, 5rem);        /* 40 → 80px */
  --h-xl:   clamp(2.1rem, 4.4vw, 3.75rem);     /* 34 → 60px */
  --h-lg:   clamp(1.8rem, 3.6vw, 3rem);        /* 29 → 48px */
  --h-svc:  clamp(2rem, 6.4vw, 5.5rem);        /* 32 → 88px */
  --track-tight: -0.03em;

  /* space */
  --s-1: 8px; --s-2: 16px; --s-3: 24px; --s-4: 40px;
  --s-5: 64px; --s-6: 96px; --s-7: 140px;
  --pad-x: clamp(20px, 4vw, 48px);
  --max-w: 1280px;

  /* motion */
  --e-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-micro: 220ms;
  --t-img: 600ms;
  --t-reveal: 750ms;

  --radius: 20px;
  --radius-sm: 12px;
}

/* ─── Reset & base ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--soft-black);
  background: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
h1, h2, h3 { font-family: var(--font-head); font-weight: 500; letter-spacing: var(--track-tight); line-height: 1.08; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: fixed; top: -60px; left: 20px; z-index: 300;
  background: var(--white); color: var(--black);
  padding: 10px 18px; border-radius: 99px; font-weight: 600; font-size: 14px;
  transition: top var(--t-micro) var(--e-out);
}
.skip-link:focus { top: 16px; }

.container { max-width: var(--max-w); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }

/* section themes */
[data-theme="dark"] { background: var(--black); color: var(--white); }
[data-theme="light"] { background: var(--white); color: var(--soft-black); }

/* ─── Shared type & components ─────────────────────────────────── */
.label {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--blue); margin-bottom: 20px;
}
[data-theme="dark"] .label { color: var(--blue-soft); }

.h-xl { font-size: var(--h-xl); }
.h-lg { font-size: var(--h-lg); max-width: 18em; }

.section-head { margin-bottom: clamp(40px, 6vw, 72px); }
.section-head.centered { text-align: center; }
.section-head.centered .h-lg { margin: 0 auto; }
.section-sub {
  margin-top: 22px; max-width: 640px;
  font-size: 18px; color: var(--gray);
}
[data-theme="dark"] .section-sub { color: var(--gray-light); }
.section-head.centered .section-sub { margin-left: auto; margin-right: auto; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 28px; border-radius: 99px;
  font-weight: 600; font-size: 15px; line-height: 1;
  transition: transform var(--t-micro) var(--e-out), background var(--t-micro), color var(--t-micro), border-color var(--t-micro);
}
.btn:hover { transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--black); }
.btn-white:hover { background: var(--off-white); }
.btn-dark { background: var(--black); color: var(--white); }
.btn-dark:hover { background: var(--navy); }
.btn-outline { border: 1px solid var(--border-dark); color: var(--white); }
.btn-outline:hover { border-color: var(--white); }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 16px;
  padding-bottom: 3px;
  background-image: linear-gradient(currentColor, currentColor);
  background-size: 0% 1.5px; background-position: left bottom; background-repeat: no-repeat;
  transition: background-size var(--t-micro) var(--e-out);
}
.link-arrow:hover, .link-arrow:focus-visible { background-size: 100% 1.5px; }
.link-arrow span { transition: transform var(--t-micro) var(--e-out); display: inline-block; }
.link-arrow:hover span { transform: translate(3px, -2px); }

/* ─── Reveal system ────────────────────────────────────────────── */
[data-reveal], [data-reveal-group] > * {
  opacity: 0; transform: translateY(28px);
  transition: opacity var(--t-reveal) var(--e-out), transform var(--t-reveal) var(--e-out);
}
[data-reveal].in, [data-reveal-group].in > * { opacity: 1; transform: none; }
[data-reveal-group].in > *:nth-child(2) { transition-delay: 80ms; }
[data-reveal-group].in > *:nth-child(3) { transition-delay: 160ms; }
[data-reveal-group].in > *:nth-child(4) { transition-delay: 240ms; }
[data-reveal-group].in > *:nth-child(5) { transition-delay: 320ms; }
[data-reveal-group].in > *:nth-child(6) { transition-delay: 400ms; }

.lines .line { display: block; overflow: hidden; padding-bottom: 0.08em; margin-bottom: -0.08em; }
.lines .line-inner {
  display: block; transform: translateY(112%);
  transition: transform 900ms var(--e-out);
}
.lines.in .line:nth-child(1) .line-inner { transition-delay: 0ms; }
.lines.in .line:nth-child(2) .line-inner { transition-delay: 110ms; }
.lines.in .line:nth-child(3) .line-inner { transition-delay: 220ms; }
.lines.in .line-inner { transform: translateY(0); }

/* ════════════════════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed; top: 20px; left: 0; right: 0; z-index: 200;
  display: flex; justify-content: center;
  padding: 0 16px;
  transition: top var(--t-micro) var(--e-out);
}
.nav-capsule {
  display: flex; align-items: center; gap: 28px;
  width: 100%; max-width: 1000px;
  padding: 12px 12px 12px 22px;
  border-radius: 99px;
  background: rgba(10,10,10,0.55);
  border: 1px solid var(--border-dark);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  color: var(--white);
  transition: background 400ms var(--e-out), border-color 400ms var(--e-out), color 400ms var(--e-out), padding var(--t-micro) var(--e-out);
}
.nav.scrolled { top: 12px; }
.nav.scrolled .nav-capsule { padding-top: 8px; padding-bottom: 8px; }
.nav.nav--light .nav-capsule {
  background: rgba(255,255,255,0.72);
  border-color: rgba(10,10,10,0.08);
  color: var(--soft-black);
  box-shadow: 0 8px 32px rgba(10,10,10,0.08);
}

.nav-logo { display: inline-flex; align-items: center; }
.nav-logo-img {
  height: 38px; width: auto;
  /* navy artwork → white on dark surfaces */
  filter: brightness(0) invert(1);
  transition: filter 400ms var(--e-out);
}
.nav--light .nav-logo-img { filter: none; }

.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  font-size: 14.5px; font-weight: 500; opacity: 0.75;
  padding: 8px 12px; border-radius: 99px;
  transition: opacity var(--t-micro), background var(--t-micro);
}
.nav-links a:hover { opacity: 1; background: rgba(128,128,128,0.14); }

.nav-cta {
  flex: none;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); color: var(--black);
  font-size: 14px; font-weight: 600;
  padding: 11px 20px; border-radius: 99px;
  transition: transform var(--t-micro) var(--e-out), background var(--t-micro), color var(--t-micro);
}
.nav-cta:hover { transform: translateY(-1px); }
.nav--light .nav-cta { background: var(--black); color: var(--white); }

.nav-burger {
  display: none; flex: none;
  width: 44px; height: 44px; border-radius: 50%;
  position: relative;
}
.nav-burger span {
  position: absolute; left: 12px; right: 12px; height: 2px;
  background: currentColor; border-radius: 2px;
  transition: transform var(--t-micro) var(--e-out), top var(--t-micro) var(--e-out);
}
.nav-burger span:nth-child(1) { top: 18px; }
.nav-burger span:nth-child(2) { top: 25px; }
.nav-burger[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.nav-burger[aria-expanded="true"] span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

/* mobile menu */
.mobile-menu {
  position: fixed; inset: 0; z-index: 150;
  background: var(--black); color: var(--white);
  display: flex; flex-direction: column; justify-content: space-between;
  padding: 110px var(--pad-x) 40px;
  opacity: 0; visibility: hidden;
  transition: opacity 350ms var(--e-out), visibility 0s 350ms;
}
.mobile-menu.open { opacity: 1; visibility: visible; transition-delay: 0s; }
.mobile-menu-links { display: flex; flex-direction: column; gap: 6px; }
.mobile-menu-links a {
  font-family: var(--font-head); font-weight: 500;
  font-size: clamp(2rem, 9vw, 3rem); letter-spacing: var(--track-tight);
  opacity: 0; transform: translateY(24px);
}
.mobile-menu.open .mobile-menu-links a,
.mobile-menu.open .mobile-menu-foot {
  opacity: 1; transform: none;
  transition: opacity 500ms var(--e-out), transform 500ms var(--e-out);
  transition-delay: calc(80ms + var(--i) * 60ms);
}
.mobile-menu-foot { opacity: 0; transform: translateY(24px); display: grid; gap: 20px; }
.mobile-menu-foot .btn { justify-content: center; }
.mobile-menu-meta { display: flex; flex-wrap: wrap; gap: 8px 24px; font-size: 15px; color: var(--gray-light); }

/* ════════════════════════════════════════════════════════════════
   1 · HERO
   ════════════════════════════════════════════════════════════════ */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: stretch;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; }
.scene {
  position: absolute; inset: 0;
  opacity: 0; transform: scale(1.06);
  transition: opacity var(--t-img) var(--e-out), transform 1200ms var(--e-out);
}
.scene.is-active { opacity: 1; transform: scale(1); }

/* nine original abstract scenes — gradients within the brand palette */
.scene-0 { background: radial-gradient(120% 90% at 78% 18%, rgba(66,87,255,0.34), transparent 55%), radial-gradient(90% 80% at 12% 85%, rgba(27,45,107,0.7), transparent 60%), linear-gradient(150deg, #0b0f22 0%, #0A0A0A 65%); }
.scene-1 { background: radial-gradient(110% 90% at 20% 20%, rgba(27,45,107,0.85), transparent 60%), radial-gradient(70% 60% at 85% 75%, rgba(66,87,255,0.25), transparent 55%), #0A0A0A; }
.scene-2 { background: radial-gradient(130% 100% at 55% 0%, rgba(66,87,255,0.4), transparent 50%), radial-gradient(80% 70% at 85% 90%, rgba(20,35,90,0.8), transparent 60%), #090a10; }
.scene-3 { background: radial-gradient(100% 90% at 80% 30%, rgba(108,125,255,0.3), transparent 55%), radial-gradient(90% 90% at 10% 70%, rgba(232,89,12,0.16), transparent 55%), #0b0b0f; }
.scene-4 { background: radial-gradient(110% 90% at 30% 80%, rgba(66,87,255,0.3), transparent 55%), radial-gradient(80% 70% at 75% 15%, rgba(27,45,107,0.75), transparent 60%), #0A0A0A; }
.scene-5 { background: radial-gradient(120% 100% at 70% 85%, rgba(27,45,107,0.85), transparent 62%), radial-gradient(60% 60% at 20% 15%, rgba(66,87,255,0.28), transparent 55%), #0a0b12; }
.scene-6 { background: radial-gradient(130% 90% at 15% 30%, rgba(66,87,255,0.36), transparent 52%), radial-gradient(90% 80% at 85% 80%, rgba(16,28,69,0.9), transparent 65%), #090909; }
.scene-7 { background: radial-gradient(100% 90% at 85% 20%, rgba(232,89,12,0.18), transparent 50%), radial-gradient(110% 90% at 25% 80%, rgba(27,45,107,0.8), transparent 60%), #0A0A0A; }
.scene-8 { background: radial-gradient(120% 100% at 50% 100%, rgba(27,45,107,0.9), transparent 65%), radial-gradient(70% 60% at 80% 10%, rgba(66,87,255,0.24), transparent 50%), #0a0a10; }

.hero-grid-overlay {
  position: absolute; inset: 0; opacity: 0.5;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(90% 80% at 60% 40%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(90% 80% at 60% 40%, black 30%, transparent 80%);
}
.hero-shade {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top, rgba(10,10,10,0.92) 0%, rgba(10,10,10,0.25) 38%, transparent 60%),
    radial-gradient(140% 100% at 50% 50%, transparent 55%, rgba(10,10,10,0.55) 100%);
}

.hero-layout {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; justify-content: flex-end;
  width: 100%;
  padding-top: 140px; padding-bottom: clamp(40px, 6vh, 72px);
  gap: clamp(32px, 6vh, 64px);
}
.hero-top {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 48px; flex: 1;
}
.hero-left { max-width: 440px; }
.hero-kicker {
  font-size: 12px; font-weight: 600; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--gray-light); margin-bottom: 18px;
}
.hero-desc { font-size: 17px; color: rgba(255,255,255,0.82); }
.hero-metrics { display: flex; gap: 36px; margin: 30px 0; }
.hero-metrics dt { font-family: var(--font-head); font-size: 30px; font-weight: 600; letter-spacing: -0.02em; }
.hero-metrics dd { font-size: 13px; color: var(--gray-light); margin-top: 2px; }
.hero-cta { color: var(--white); }

.hero-index ul { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.hero-index a {
  display: inline-block; padding: 4px 0;
  font-family: var(--font-head); font-weight: 500;
  font-size: clamp(17px, 1.7vw, 23px); letter-spacing: -0.01em;
  color: rgba(255,255,255,0.38);
  transition: color var(--t-micro) var(--e-out), transform var(--t-micro) var(--e-out);
}
.hero-index a:hover, .hero-index a:focus-visible, .hero-index a.is-active { color: var(--white); transform: translateX(-6px); }

.hero-headline {
  font-size: var(--h-hero); font-weight: 500;
  text-align: right; align-self: flex-end;
  max-width: 12em;
}
.hero-cta-mobile { display: none; }

/* ════════════════════════════════════════════════════════════════
   2 · INTRO
   ════════════════════════════════════════════════════════════════ */
.intro { padding: var(--s-7) 0; }
.intro .h-xl { max-width: 14em; }
.intro-row {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 40px; margin-top: 40px; flex-wrap: wrap;
}
.intro-copy { max-width: 560px; font-size: 19px; color: var(--gray); }
.intro-metrics {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px;
  margin-top: clamp(48px, 7vw, 88px);
  padding-top: 40px; border-top: 1px solid var(--border-light);
}
.intro-metrics dt { font-family: var(--font-head); font-size: clamp(26px, 2.6vw, 38px); font-weight: 600; letter-spacing: -0.02em; }
.intro-metrics dd { margin-top: 6px; font-size: 15px; color: var(--gray); max-width: 220px; }

/* ════════════════════════════════════════════════════════════════
   3 · SOLUTIONS
   ════════════════════════════════════════════════════════════════ */
.solutions { padding: var(--s-6) 0 var(--s-7); background: var(--off-white); }
.sol-grid {
  display: grid; grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 3vw, 40px);
}
.sol-card { grid-column: span 5; }
.sol-card.sol-wide { grid-column: span 7; }
.sol-card:nth-child(even) { transform: translateY(48px); }
.sol-card:nth-child(even).in { transform: translateY(48px); }

.sol-link { display: block; }
.sol-media {
  border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 16 / 10.5;
  position: relative;
}
.viz-frame { display: grid; place-items: center; }
.viz-frame > * { transition: transform var(--t-img) var(--e-out); }
.sol-link:hover .viz-frame > *, .sol-link:focus-visible .viz-frame > * { transform: scale(1.04); }

.viz-a { background: radial-gradient(120% 120% at 80% 10%, rgba(66,87,255,0.5), transparent 55%), linear-gradient(140deg, #131836, #0A0A0A); }
.viz-b { background: radial-gradient(120% 110% at 20% 90%, rgba(27,45,107,0.9), transparent 60%), linear-gradient(160deg, #10152c, #0b0b10); }
.viz-c { background: radial-gradient(110% 110% at 80% 90%, rgba(66,87,255,0.32), transparent 55%), linear-gradient(150deg, #171b2f, #0A0A0A); }
.viz-d { background: radial-gradient(130% 110% at 15% 15%, rgba(66,87,255,0.42), transparent 55%), linear-gradient(150deg, #10142b, #0b0b10); }
.viz-e { background: radial-gradient(120% 110% at 85% 20%, rgba(232,89,12,0.25), transparent 50%), linear-gradient(150deg, #191527, #0A0A0A); }
.viz-f { background: radial-gradient(120% 110% at 30% 20%, rgba(27,45,107,0.85), transparent 60%), linear-gradient(160deg, #121631, #0a0a0e); }

/* CSS-built product visuals */
.viz { width: min(72%, 420px); }
.viz-window {
  background: rgba(17,18,20,0.85);
  border: 1px solid var(--border-dark);
  border-radius: 14px; padding: 16px 18px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45);
}
.viz-bar-row { display: flex; gap: 6px; margin-bottom: 14px; }
.viz-bar-row i { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,0.16); }
.viz-kpis { display: flex; gap: 14px; margin-bottom: 14px; }
.viz-kpis > div { flex: 1; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.07); border-radius: 9px; padding: 9px 11px; }
.viz-kpis b { display: block; font-family: var(--font-head); font-size: 15px; font-weight: 600; color: var(--white); }
.viz-kpis s { display: block; text-decoration: none; font-size: 9.5px; color: var(--gray-light); letter-spacing: 0.04em; text-transform: uppercase; }
.viz-chart { display: flex; align-items: flex-end; gap: 7px; height: 74px; }
.viz-chart.sm { height: 52px; }
.viz-chart i { flex: 1; height: var(--h); border-radius: 4px 4px 2px 2px; background: linear-gradient(to top, rgba(66,87,255,0.35), rgba(66,87,255,0.95)); }
.viz-chart i:last-child { background: linear-gradient(to top, rgba(232,89,12,0.4), rgba(232,89,12,0.95)); }

.viz-cloud svg { width: 100%; height: auto; }
.viz-cloud .viz-lines path { stroke: rgba(255,255,255,0.22); stroke-width: 1.2; fill: none; }
.viz-cloud .viz-nodes rect { fill: rgba(255,255,255,0.06); stroke: rgba(108,125,255,0.65); stroke-width: 1.2; }

.viz-trow { display: flex; gap: 10px; padding: 9px 2px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.viz-trow:last-child { border-bottom: 0; }
.viz-trow i { height: 8px; border-radius: 4px; background: rgba(255,255,255,0.16); width: var(--w); }
.viz-trow.th i { background: rgba(255,255,255,0.3); height: 9px; }
.viz-trow i.ok { background: rgba(66,87,255,0.75); }
.viz-trow i.warn { background: rgba(232,89,12,0.8); }

.viz-bi-grid { display: grid; grid-template-columns: 84px 1fr; gap: 12px; align-items: center; }
.viz-donut svg { width: 84px; height: 84px; transform: rotate(-90deg); }
.viz-donut circle { fill: none; stroke-width: 7; }
.viz-donut .d1 { stroke: rgba(255,255,255,0.1); }
.viz-donut .d2 { stroke: var(--blue); stroke-dasharray: 100.5; stroke-dashoffset: 32; stroke-linecap: round; }
.viz-spark svg { width: 100%; height: 44px; }
.viz-spark path { fill: none; stroke: var(--blue-soft); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.viz-bi .viz-chart.sm { grid-column: 1 / -1; }

.viz-flow { display: flex; align-items: center; gap: 10px; width: min(78%, 440px); }
.viz-step {
  flex: 1; background: rgba(17,18,20,0.85); border: 1px solid var(--border-dark);
  border-radius: 12px; padding: 14px 12px; display: grid; gap: 8px; justify-items: center;
}
.viz-step i { width: 26px; height: 26px; border-radius: 8px; border: 1.5px solid rgba(108,125,255,0.8); }
.viz-step span { width: 70%; height: 7px; border-radius: 4px; background: rgba(255,255,255,0.16); }
.viz-step.done i { background: rgba(66,87,255,0.85); border-color: transparent; }
.viz-flow-line { width: 26px; height: 1.5px; background: rgba(255,255,255,0.3); flex: none; }

.viz-check { display: flex; align-items: center; gap: 10px; padding: 8px 2px; }
.viz-check i { width: 14px; height: 14px; border-radius: 50%; flex: none; }
.viz-check.pass i { background: rgba(66,87,255,0.9); }
.viz-check.run i { border: 2px solid rgba(232,89,12,0.9); }
.viz-check s { text-decoration: none; height: 8px; border-radius: 4px; background: rgba(255,255,255,0.16); width: var(--w); }
.viz-check b { margin-left: auto; font-size: 9px; letter-spacing: 0.1em; color: var(--gray-light); }
.viz-check.run b { color: var(--orange); }

.sol-body { position: relative; padding: 24px 56px 0 0; }
.sol-cat { font-size: 12.5px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gray); }
.sol-title { font-size: clamp(20px, 2vw, 26px); margin-top: 10px; transition: color var(--t-micro); }
.sol-link:hover .sol-title { color: var(--navy); }
.sol-desc { margin-top: 10px; font-size: 15.5px; color: var(--gray); max-width: 46em; }
.sol-tags { margin-top: 12px; font-size: 13px; font-weight: 500; color: var(--navy); letter-spacing: 0.02em; }
.sol-arrow {
  position: absolute; right: 0; top: 24px;
  width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--border-light);
  display: grid; place-items: center;
  transition: background var(--t-micro), border-color var(--t-micro), color var(--t-micro);
}
.sol-arrow svg { width: 18px; height: 18px; transition: transform var(--t-micro) var(--e-out); }
.sol-link:hover .sol-arrow { background: var(--blue); border-color: var(--blue); color: var(--white); }
.sol-link:hover .sol-arrow svg { transform: translate(2px, -2px); }

/* ════════════════════════════════════════════════════════════════
   4 · SERVICES SHOWCASE
   ════════════════════════════════════════════════════════════════ */
.services { padding: var(--s-7) 0 var(--s-6); position: relative; }
.svc-list { border-top: 1px solid var(--border-dark); }
.svc-row { border-bottom: 1px solid var(--border-dark); }
.svc-head {
  display: flex; align-items: baseline; gap: clamp(16px, 3vw, 40px);
  width: 100%; text-align: left;
  padding: clamp(18px, 2.6vw, 34px) var(--pad-x);
  max-width: calc(var(--max-w)); margin: 0 auto;
}
.svc-num { font-size: 14px; font-weight: 500; color: var(--gray); font-variant-numeric: tabular-nums; flex: none; }
.svc-name {
  font-family: var(--font-head); font-weight: 500;
  font-size: var(--h-svc); letter-spacing: var(--track-tight); line-height: 1.02;
  color: rgba(255,255,255,0.42);
  transition: color var(--t-micro) var(--e-out), transform var(--t-micro) var(--e-out);
}
.svc-head:hover .svc-name, .svc-head:focus-visible .svc-name,
.svc-head[aria-expanded="true"] .svc-name { color: var(--white); }
@media (pointer: fine) { .svc-head:hover .svc-name { transform: translateX(12px); } }
.svc-plus { margin-left: auto; position: relative; width: 18px; height: 18px; flex: none; align-self: center; opacity: 0.6; }
.svc-plus::before, .svc-plus::after {
  content: ""; position: absolute; background: currentColor; border-radius: 2px;
  transition: transform var(--t-micro) var(--e-out);
}
.svc-plus::before { left: 0; right: 0; top: 8px; height: 2px; }
.svc-plus::after { top: 0; bottom: 0; left: 8px; width: 2px; }
.svc-head[aria-expanded="true"] .svc-plus::after { transform: scaleY(0); }
.svc-panel {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 var(--pad-x) 34px calc(var(--pad-x));
  color: var(--gray-light); font-size: 16.5px; max-width: 820px; margin-left: auto; margin-right: auto;
}
.svc-panel > p:first-child { color: rgba(255,255,255,0.9); font-size: 18px; }
.svc-meta { margin-top: 10px; font-size: 14.5px; }
.svc-meta strong { color: rgba(255,255,255,0.75); font-weight: 600; }

.svc-preview {
  position: fixed; z-index: 90; pointer-events: none;
  width: 300px; aspect-ratio: 16/10; border-radius: 14px; overflow: hidden;
  opacity: 0; transform: scale(0.92);
  transition: opacity 300ms var(--e-out), transform 300ms var(--e-out);
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  display: none;
}
@media (pointer: fine) { .svc-preview { display: block; } }
.svc-preview.on { opacity: 1; transform: scale(1); }
.svc-preview-inner { position: absolute; inset: 0; display: grid; place-items: center; }
.svc-preview-inner::after {
  content: attr(data-label);
  font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--white);
  background: rgba(10,10,10,0.4); padding: 8px 16px; border-radius: 99px;
  border: 1px solid var(--border-dark); backdrop-filter: blur(8px);
}

/* ════════════════════════════════════════════════════════════════
   5 · PROCESS
   ════════════════════════════════════════════════════════════════ */
.process { padding: var(--s-7) 0; background: var(--off-white); }
.proc-track { position: relative; }
.proc-line {
  position: absolute; left: 0; right: 0; top: 27px; height: 1px;
  background: var(--border-light);
}
.proc-line i { display: block; height: 100%; width: 0%; background: var(--blue); transition: width 200ms linear; }
.proc-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(24px, 3vw, 44px); }
.proc-step { padding-top: 56px; position: relative; }
.proc-step::before {
  content: ""; position: absolute; top: 22px; left: 0;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--off-white); border: 2px solid var(--blue);
}
.proc-num {
  font-family: var(--font-head); font-weight: 600;
  font-size: clamp(40px, 4.4vw, 64px); letter-spacing: -0.02em;
  color: rgba(27,45,107,0.16); display: block; line-height: 1;
}
.proc-step h3 { font-size: 21px; margin-top: 14px; }
.proc-step p { margin-top: 10px; font-size: 15.5px; color: var(--gray); }

/* ════════════════════════════════════════════════════════════════
   6 · TECHNOLOGIES
   ════════════════════════════════════════════════════════════════ */
.tech { padding: var(--s-7) 0; background: linear-gradient(170deg, var(--navy-deep) 0%, var(--black) 78%); }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tech-card {
  border: 1px solid var(--border-dark); border-radius: var(--radius);
  padding: 30px 28px;
  background: rgba(255,255,255,0.025);
  transition: transform var(--t-micro) var(--e-out), border-color var(--t-micro), background var(--t-micro);
}
.tech-card:hover { transform: translateY(-4px); border-color: rgba(108,125,255,0.45); background: rgba(66,87,255,0.05); }
.tech-card h3 { font-size: 20px; }
.tech-card p { margin-top: 10px; font-size: 15px; color: var(--gray-light); }
.tech-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.tech-chips li {
  font-size: 13px; font-weight: 500; color: var(--gray-light);
  border: 1px solid var(--border-dark); border-radius: 99px;
  padding: 5px 13px;
  transition: color var(--t-micro), border-color var(--t-micro);
}
.tech-card:hover .tech-chips li { color: rgba(255,255,255,0.85); }
.tech-chips li:hover { color: var(--blue-soft); border-color: var(--blue-soft); }

/* ════════════════════════════════════════════════════════════════
   7 · WHY
   ════════════════════════════════════════════════════════════════ */
.why { padding: var(--s-7) 0; }
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.why-item {
  border: 1px solid var(--border-light); border-radius: var(--radius);
  padding: 30px 30px 32px;
  transition: transform var(--t-micro) var(--e-out), box-shadow var(--t-micro) var(--e-out), border-color var(--t-micro);
}
.why-item:hover { transform: translateY(-4px); box-shadow: 0 18px 44px rgba(10,10,10,0.07); border-color: #d9d9d9; }
.why-icon { width: 28px; height: 28px; color: var(--blue); }
.why-item h3 { font-size: 19px; margin-top: 18px; }
.why-item p { margin-top: 8px; font-size: 15.5px; color: var(--gray); }

/* ════════════════════════════════════════════════════════════════
   8 · TESTIMONIALS
   ════════════════════════════════════════════════════════════════ */
.testimonials { padding: var(--s-7) 0; background: var(--off-white); }
.tst-grid { columns: 3; column-gap: 20px; }
.tst-card {
  position: relative;
  break-inside: avoid; margin-bottom: 20px;
  background: var(--white); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: 28px;
  transition: transform var(--t-micro) var(--e-out), box-shadow var(--t-micro) var(--e-out);
}
.tst-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(10,10,10,0.06); }
.tst-stars { color: var(--orange); font-size: 15px; letter-spacing: 3px; margin-bottom: 16px; }
.tst-card blockquote { font-size: 15.5px; line-height: 1.7; color: #3d3d3d; }
.tst-card figcaption { margin-top: 20px; }
.tst-card figcaption b { display: block; font-size: 15px; }
.tst-card figcaption span { font-size: 13.5px; color: var(--gray); }
.tst-arrow {
  position: absolute; right: 22px; bottom: 22px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--border-light); color: var(--gray);
  display: grid; place-items: center;
  transition: background var(--t-micro), color var(--t-micro), border-color var(--t-micro), transform var(--t-micro) var(--e-out);
}
.tst-arrow svg { width: 15px; height: 15px; }
.tst-card:hover .tst-arrow { background: var(--blue); border-color: var(--blue); color: var(--white); transform: rotate(45deg); }

/* ════════════════════════════════════════════════════════════════
   9 · ENGAGEMENT
   ════════════════════════════════════════════════════════════════ */
.engage { padding: var(--s-7) 0; }
.engage-scroll { overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; scroll-snap-type: x mandatory; }
.engage-scroll::-webkit-scrollbar { display: none; }
.engage-track {
  display: flex; gap: 20px;
  padding: 0 max(var(--pad-x), calc((100vw - var(--max-w)) / 2 + var(--pad-x)));
  width: max-content;
}
.engage-card {
  width: min(360px, 82vw); flex: none; scroll-snap-align: start;
  border: 1px solid var(--border-dark); border-radius: var(--radius);
  padding: 32px 30px; background: rgba(255,255,255,0.025);
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color var(--t-micro), background var(--t-micro), transform var(--t-micro) var(--e-out);
}
.engage-card:hover { border-color: rgba(108,125,255,0.5); background: rgba(66,87,255,0.05); transform: translateY(-4px); }
.engage-icon { width: 30px; height: 30px; color: var(--blue-soft); margin-bottom: 8px; }
.engage-card h3 { font-size: 21px; }
.engage-card > p { font-size: 15.5px; color: var(--gray-light); }
.engage-meta { font-size: 13.5px; color: var(--gray); }
.engage-meta strong { color: var(--gray-light); font-weight: 600; }
.engage-card .link-arrow { margin-top: auto; padding-top: 16px; font-size: 15px; color: var(--white); }

/* ════════════════════════════════════════════════════════════════
   10 · MARQUEE
   ════════════════════════════════════════════════════════════════ */
.marquee {
  display: block; overflow: hidden; white-space: nowrap;
  background: var(--off-white); color: var(--black);
  padding: clamp(48px, 8vw, 110px) 0;
  border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light);
}
.marquee-track { display: inline-flex; will-change: transform; }
.marquee-track span {
  font-family: var(--font-head); font-weight: 500;
  font-size: clamp(3rem, 9vw, 8rem); letter-spacing: var(--track-tight);
  padding-right: 0.4em;
}

/* ════════════════════════════════════════════════════════════════
   11 · INSIGHTS
   ════════════════════════════════════════════════════════════════ */
.insights { padding: var(--s-7) 0; }
.ins-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(20px, 2.6vw, 32px); }
.ins-card a { display: block; }
.ins-media {
  aspect-ratio: 16/10; border-radius: var(--radius-sm); overflow: hidden;
  display: grid; place-items: center;
}
.ins-ph { width: 62%; transition: transform var(--t-img) var(--e-out); }
.ins-card a:hover .ins-ph, .ins-card a:focus-visible .ins-ph { transform: scale(1.05); }
.ins-ph svg { width: 100%; height: auto; }
.ins-ph path, .ins-ph rect, .ins-ph circle { stroke: rgba(255,255,255,0.75); stroke-width: 1.6; }
.ins-meta { margin-top: 18px; font-size: 13px; color: var(--gray); }
.ins-meta span { color: var(--blue); font-weight: 600; }
.ins-card h3 { font-size: 21px; margin-top: 10px; transition: color var(--t-micro); }
.ins-card a:hover h3 { color: var(--navy); }
.ins-preview {
  margin-top: 8px; font-size: 15px; color: var(--gray);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.ins-more { margin-top: 48px; }

/* ════════════════════════════════════════════════════════════════
   12 · CONTACT
   ════════════════════════════════════════════════════════════════ */
.contact { padding: var(--s-7) 0; background: var(--off-white); }
.contact-grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 88px); align-items: start; }
.contact-info .h-lg { max-width: 10em; }
.contact-list { margin-top: 40px; display: grid; gap: 22px; }
.contact-list dt { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); }
.contact-list dd { margin-top: 4px; font-size: 17px; }
.contact-list a { font-weight: 500; }
.contact-list a:hover { color: var(--blue); }

.contact-form {
  background: var(--white); border: 1px solid var(--border-light);
  border-radius: var(--radius); padding: clamp(24px, 3.4vw, 44px);
  display: grid; gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14px; font-weight: 600; }
.field input, .field select, .field textarea {
  font: inherit; font-size: 15.5px; color: var(--soft-black);
  border: 1px solid #d8d8d4; border-radius: 10px;
  padding: 12px 14px; background: var(--white);
  transition: border-color var(--t-micro), box-shadow var(--t-micro);
  width: 100%;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(66,87,255,0.15);
}
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: #d13c3c; }
.field-err { font-size: 13px; color: #c0392b; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.field-consent { grid-template-columns: auto 1fr; align-items: start; gap: 12px; }
.field-consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--blue); }
.field-consent label { font-weight: 400; font-size: 14px; color: var(--gray); }
.form-submit { justify-self: start; padding: 16px 32px; }
.form-submit[disabled] { opacity: 0.6; cursor: wait; }
.form-status { font-size: 15px; font-weight: 500; min-height: 1.4em; }
.form-status.ok { color: #1c7c3c; }
.form-status.err { color: #c0392b; }

/* ════════════════════════════════════════════════════════════════
   13 · FOOTER
   ════════════════════════════════════════════════════════════════ */
.footer { padding: var(--s-6) 0 0; overflow: hidden; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: clamp(32px, 4vw, 64px);
  padding-bottom: var(--s-5);
}
.footer-brand p { margin-top: 20px; font-size: 15px; color: var(--gray-light); max-width: 320px; }
.footer-brand .footer-metrics { font-size: 13px; color: var(--gray); margin-top: 12px; }
.footer-social { margin-top: 18px; }
.footer-social a { font-size: 14px; font-weight: 600; border-bottom: 1px solid var(--border-dark); padding-bottom: 2px; }
.footer-social a:hover { border-color: var(--white); }
.footer-col h3 { font-size: 13px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray); margin-bottom: 18px; }
.footer-col a { display: block; font-size: 15px; color: var(--gray-light); padding: 5px 0; transition: color var(--t-micro); }
.footer-col a:hover { color: var(--white); }
.footer-col p { font-size: 15px; color: var(--gray-light); padding: 5px 0; }
.footer-legal {
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
  border-top: 1px solid var(--border-dark);
  padding: 26px 0; font-size: 13.5px; color: var(--gray);
}
.footer-legal nav { display: flex; gap: 22px; }
.footer-legal a:hover { color: var(--white); }
.footer-giant {
  font-family: var(--font-head); font-weight: 600;
  font-size: clamp(3rem, 10.5vw, 10rem); letter-spacing: var(--track-tight);
  white-space: nowrap; line-height: 0.78;
  color: rgba(255,255,255,0.07);
  padding: 0 var(--pad-x);
  transform: translateY(18%);
  user-select: none; pointer-events: none;
}

/* ════════════════════════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: block; margin-left: auto; }
  .sol-card, .sol-card.sol-wide { grid-column: span 6; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .tst-grid { columns: 2; }
  .proc-list { grid-template-columns: repeat(2, 1fr); row-gap: 48px; }
  .proc-line { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  body { font-size: 16px; }
  .hero-index { display: none; }
  .hero-top { align-items: flex-end; }
  .hero-left { max-width: 100%; }
  .hero-metrics { gap: 24px; }
  .hero-metrics dt { font-size: 24px; }
  .hero-headline { text-align: left; align-self: flex-start; }
  .hero-cta-mobile { display: inline-flex; justify-content: center; width: 100%; }
  .hero-cta { display: none; }
  .intro-metrics { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
  .sol-grid { grid-template-columns: 1fr; }
  .sol-card, .sol-card.sol-wide { grid-column: auto; }
  .sol-card:nth-child(even), .sol-card:nth-child(even).in { transform: none; }
  .sol-card:nth-child(even) { transform: translateY(28px); }
  .sol-card:nth-child(even):not(.in) { transform: translateY(28px); }
  .svc-panel { padding-left: calc(var(--pad-x)); }
  .tech-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .tst-grid { columns: 1; }
  .proc-list { grid-template-columns: 1fr; }
  .proc-step { padding-top: 0; padding-left: 34px; }
  .proc-step::before { top: 8px; }
  .ins-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-giant { transform: translateY(24%); }
}

/* ─── Reduced motion ───────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  [data-reveal], [data-reveal-group] > * { opacity: 1; transform: none; }
  .lines .line-inner { transform: none; }
  .scene { transform: none; }
  .svc-preview { display: none !important; }
}