/* ==========================================================================
   Veltriva CX Solutions — Design System
   Navy / white / slate with a restrained teal accent.
   ========================================================================== */

:root {
  --navy-950: #061327;
  --navy-900: #0a1c36;
  --navy-800: #10284a;
  --navy-700: #1a3a66;
  --navy-600: #2a4f82;

  --ink: #0e1a2b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #eef2f7;
  --paper: #f6f8fb;
  --white: #ffffff;

  --accent: #2b9fa9;
  --accent-strong: #177a83;
  --accent-soft: #e4f3f4;
  --accent-on-dark: #7fd5da;

  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Manrope", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(10, 28, 54, .05), 0 1px 3px rgba(10, 28, 54, .05);
  --shadow: 0 12px 32px -14px rgba(10, 28, 54, .18);
  --shadow-lg: 0 32px 64px -28px rgba(10, 28, 54, .35);

  --container: 1200px;
  --gutter: clamp(20px, 4vw, 40px);
  --header-h: 76px;
  --section-y: clamp(72px, 9vw, 128px);
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); }
body {
  margin: 0;
  background: var(--white);
  color: var(--slate-700);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
body.nav-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.35rem, 1.6rem + 3.2vw, 4rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.06; }
h2 { font-size: clamp(1.85rem, 1.4rem + 1.8vw, 2.75rem); }
h3 { font-size: 1.175rem; line-height: 1.3; letter-spacing: -0.01em; }
strong { color: var(--ink); font-weight: 600; }
main:focus { outline: none; }
::selection { background: var(--accent-soft); color: var(--ink); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  width: 1.25em; height: 1.25em; flex: none;
  fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
}
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 16px; top: -60px; z-index: 200;
  padding: 10px 16px; border-radius: var(--radius-sm);
  background: var(--navy-900); color: var(--white); font-weight: 600;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

/* ---------- Layout ---------- */
.container { width: 100%; max-width: calc(var(--container) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; }
.section--paper { background: var(--paper); }
.section--tight { padding: clamp(56px, 7vw, 88px) 0; }
.section--flush-top { padding-top: 0; }
.section--border { border-top: 1px solid var(--slate-200); }

.section-head { max-width: 720px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--row {
  max-width: none; display: flex; align-items: flex-end; justify-content: space-between; gap: 32px;
}
.section-head--row > div { max-width: 680px; }
.section-head h2 + .lead, .section-head h2 + p { margin-top: 20px; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-size: .78rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 24px; height: 1.5px; background: currentColor; }
.section-head--center .eyebrow::before { display: none; }

.lead { font-size: clamp(1.075rem, 1rem + .35vw, 1.25rem); line-height: 1.65; color: var(--slate-600); }

.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(40px, 7vw, 96px); align-items: center; }
.split--top { align-items: start; }
.split--wide-left { grid-template-columns: 1.1fr .9fr; }

/* ---------- Buttons & links ---------- */
.btn {
  --btn-bg: var(--navy-900); --btn-fg: var(--white); --btn-border: var(--navy-900);
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px;
  border: 1.5px solid var(--btn-border); border-radius: 10px;
  background: var(--btn-bg); color: var(--btn-fg);
  font: 600 .975rem/1 var(--font-sans); letter-spacing: -0.005em; white-space: nowrap;
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.btn .icon { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover .icon { transform: translateX(3px); }
.btn:active { transform: translateY(1px); }
.btn--primary:hover { --btn-bg: var(--navy-700); --btn-border: var(--navy-700); box-shadow: 0 10px 24px -12px rgba(10, 28, 54, .55); }
.btn--secondary { --btn-bg: transparent; --btn-fg: var(--navy-900); --btn-border: var(--slate-300); }
.btn--secondary:hover { --btn-border: var(--navy-900); --btn-bg: var(--white); }
.btn--light { --btn-bg: var(--white); --btn-fg: var(--navy-900); --btn-border: var(--white); }
.btn--light:hover { --btn-bg: var(--accent-soft); --btn-border: var(--accent-soft); }
.btn--ghost-light { --btn-bg: transparent; --btn-fg: var(--white); --btn-border: rgba(255, 255, 255, .28); }
.btn--ghost-light:hover { --btn-border: var(--white); --btn-bg: rgba(255, 255, 255, .06); }
.btn--sm { min-height: 42px; padding: 0 18px; font-size: .9rem; border-radius: 9px; }
.btn--block { width: 100%; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }

.text-link {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--navy-900); font-weight: 600;
  border-bottom: 1.5px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.text-link .icon { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.text-link:hover { color: var(--accent-strong); border-color: currentColor; }
.text-link:hover .icon { transform: translateX(3px); }
.text-link--light { color: var(--white); }
.text-link--light:hover { color: var(--accent-on-dark); }

/* ---------- Brand ---------- */
.brand { display: inline-flex; align-items: center; color: var(--navy-900); }
.brand__lockup { display: inline-flex; align-items: center; gap: 12px; }
.logo-mark { width: 30px; height: 30px; }
.logo-mark__a { fill: currentColor; }
.logo-mark__b { fill: var(--accent); opacity: .92; }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font: 800 1.2rem/1 var(--font-display); letter-spacing: .2em; margin-right: -.2em; }
.brand__desc { margin-top: 6px; font: 600 .56rem/1 var(--font-sans); letter-spacing: .44em; color: var(--slate-500); }
.brand--light { color: var(--white); }
.brand--light .brand__desc { color: var(--slate-400); }
.brand--light .logo-mark__b { fill: var(--accent-on-dark); }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.site-header.is-scrolled { border-color: var(--slate-200); box-shadow: 0 6px 24px -18px rgba(10, 28, 54, .35); }
.site-header__inner { display: flex; align-items: center; gap: 32px; height: var(--header-h); }
.primary-nav { margin-left: auto; }
.primary-nav ul { display: flex; gap: 4px; }
.primary-nav a {
  position: relative; display: block; padding: 10px 14px;
  color: var(--slate-600); font-size: .935rem; font-weight: 500;
  border-radius: 8px;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.primary-nav a:hover { color: var(--navy-900); background: var(--slate-100); }
.primary-nav a[aria-current="page"] { color: var(--navy-900); font-weight: 600; }
.primary-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 3px; height: 2px;
  border-radius: 2px; background: var(--accent);
}

.nav-toggle {
  display: none; position: relative; width: 44px; height: 44px; margin-left: auto; margin-right: -8px;
  border: 0; border-radius: 10px; background: transparent; cursor: pointer;
}
.nav-toggle:hover { background: var(--slate-100); }
.nav-toggle__bar {
  position: absolute; left: 12px; width: 20px; height: 1.75px; border-radius: 2px; background: var(--navy-900);
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 17px; }
.nav-toggle__bar:nth-child(2) { top: 25px; }
.is-open .nav-toggle__bar:nth-child(1) { top: 21px; transform: rotate(45deg); }
.is-open .nav-toggle__bar:nth-child(2) { top: 21px; transform: rotate(-45deg); }

.mobile-nav {
  display: none;
  position: fixed; left: 0; right: 0; top: var(--header-h); bottom: 0;
  overflow-y: auto; background: var(--white);
  border-top: 1px solid var(--slate-200);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .25s var(--ease), transform .3s var(--ease), visibility 0s linear .3s;
}
.is-open .mobile-nav { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
.mobile-nav nav { padding-top: 16px; padding-bottom: 40px; }
.mobile-nav__list { margin-bottom: 28px; }
.mobile-nav__list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 0; border-bottom: 1px solid var(--slate-200);
  color: var(--ink); font: 600 1.35rem/1.2 var(--font-display); letter-spacing: -0.01em;
}
.mobile-nav__list a[aria-current="page"] { color: var(--accent-strong); }
.mobile-nav__list a[aria-current="page"]::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.mobile-nav__meta { margin-top: 24px; color: var(--slate-500); font-size: .875rem; line-height: 1.6; }

/* ---------- Home hero ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(64px, 9vw, 120px) 0 clamp(72px, 9vw, 120px);
  background: var(--navy-900); color: var(--slate-300);
}
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 70% 40%, #000 20%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; z-index: -1; width: 900px; height: 900px; right: -300px; top: -380px;
  background: radial-gradient(closest-side, rgba(43, 159, 169, .22), transparent 70%);
}
.hero__grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(48px, 6vw, 88px); align-items: center; }
.hero .eyebrow { color: var(--accent-on-dark); }
.hero h1 { color: var(--white); }
.hero h1 span { color: var(--accent-on-dark); }
.hero__lead { max-width: 560px; margin-top: 26px; color: var(--slate-300); font-size: clamp(1.075rem, 1rem + .35vw, 1.225rem); }
.hero .btn-row { margin-top: 38px; }
.hero__meta {
  display: flex; flex-wrap: wrap; gap: 12px 28px; margin-top: 48px; padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: var(--slate-400); font-size: .9rem;
}
.hero__meta li { display: inline-flex; align-items: center; gap: 10px; }
.hero__meta .icon { width: 18px; height: 18px; color: var(--accent-on-dark); }

/* Service model diagram (hero visual) */
.model { position: relative; display: grid; gap: 0; margin: 0; }
.model__node {
  position: relative; padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, .12); border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.model__label { display: flex; align-items: center; gap: 12px; color: var(--white); font: 700 1rem/1.3 var(--font-display); }
.model__label .icon { width: 20px; height: 20px; color: var(--accent-on-dark); }
.model__caption { margin: 6px 0 0 32px; color: var(--slate-400); font-size: .85rem; line-height: 1.5; }
.model__chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0 32px; }
.chip {
  padding: 5px 11px; border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .14); color: var(--slate-300);
  font-size: .78rem; font-weight: 500; line-height: 1.3;
}
.model__node--core {
  padding: 26px 24px 24px;
  background: linear-gradient(180deg, rgba(43, 159, 169, .16), rgba(43, 159, 169, .05));
  border-color: rgba(127, 213, 218, .35);
  box-shadow: 0 30px 60px -30px rgba(0, 0, 0, .6);
}
.model__pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 18px; }
.model__pillar {
  padding: 12px 8px; border-radius: 10px; text-align: center;
  background: rgba(6, 19, 39, .45); border: 1px solid rgba(255, 255, 255, .08);
  color: var(--white); font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
}
.model__pillar .icon { width: 20px; height: 20px; margin: 0 auto 8px; color: var(--accent-on-dark); }
.model__link { position: relative; height: 36px; margin-left: 42px; width: 1.5px; background: rgba(255, 255, 255, .16); overflow: hidden; }
.model__link::after {
  content: ""; position: absolute; left: 0; top: -40%; width: 100%; height: 40%;
  background: linear-gradient(180deg, transparent, var(--accent-on-dark), transparent);
  animation: flow 2.8s var(--ease) infinite;
}
.model__link:nth-of-type(4)::after { animation-delay: 1.4s; }
@keyframes flow { to { top: 110%; } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(56px, 7vw, 96px) 0 clamp(56px, 7vw, 88px);
  background: var(--paper); border-bottom: 1px solid var(--slate-200);
}
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(10, 28, 54, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 28, 54, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 60% 90% at 85% 0%, #000 10%, transparent 70%);
  mask-image: radial-gradient(ellipse 60% 90% at 85% 0%, #000 10%, transparent 70%);
}
.page-hero__inner { max-width: 820px; }
.page-hero h1 { font-size: clamp(2.2rem, 1.6rem + 2.6vw, 3.5rem); }
.page-hero .lead { margin-top: 24px; max-width: 700px; }
.page-hero .btn-row { margin-top: 32px; }
.breadcrumb { display: flex; gap: 8px; margin-bottom: 28px; color: var(--slate-500); font-size: .85rem; }
.breadcrumb a { transition: color .2s var(--ease); }
.breadcrumb a:hover { color: var(--navy-900); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: var(--slate-300); }
.breadcrumb [aria-current] { color: var(--navy-900); font-weight: 500; }

.anchor-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; }
.anchor-nav a {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px;
  border: 1px solid var(--slate-300); border-radius: 999px; background: var(--white);
  color: var(--slate-700); font-size: .875rem; font-weight: 500;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}
.anchor-nav a:hover { border-color: var(--navy-900); color: var(--navy-900); }

/* ---------- Cards ---------- */
.card {
  position: relative; display: flex; flex-direction: column;
  padding: clamp(26px, 3vw, 34px);
  background: var(--white); border: 1px solid var(--slate-200); border-radius: var(--radius);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card:hover { transform: translateY(-3px); border-color: var(--slate-300); box-shadow: var(--shadow); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--slate-600); font-size: .965rem; }
.card--static:hover { transform: none; box-shadow: none; border-color: var(--slate-200); }
.icon-tile {
  display: inline-grid; place-items: center; width: 48px; height: 48px; margin-bottom: 22px;
  border-radius: 12px; background: var(--accent-soft); color: var(--accent-strong);
}
.icon-tile .icon { width: 24px; height: 24px; }
.icon-tile--navy { background: var(--navy-900); color: var(--accent-on-dark); }
.card__foot { margin-top: auto; padding-top: 20px; }
.section-foot { margin-top: 48px; display: flex; justify-content: center; }

/* ---------- Feature list ---------- */
.feature-list { display: grid; gap: 28px; }
.feature { display: grid; grid-template-columns: 44px 1fr; gap: 18px; align-items: start; }
.feature .icon-tile { width: 44px; height: 44px; margin: 0; border-radius: 11px; }
.feature .icon-tile .icon { width: 22px; height: 22px; }
.feature h3 { margin: 2px 0 6px; font-size: 1.075rem; }
.feature p { color: var(--slate-600); font-size: .965rem; }

/* Preparation panel (visual) */
.panel {
  position: relative; padding: clamp(28px, 3.5vw, 40px);
  border-radius: var(--radius-lg); background: var(--navy-900); color: var(--slate-300);
  box-shadow: var(--shadow-lg); overflow: hidden; isolation: isolate;
}
.panel::after {
  content: ""; position: absolute; z-index: -1; width: 460px; height: 460px; right: -200px; bottom: -220px;
  background: radial-gradient(closest-side, rgba(43, 159, 169, .28), transparent);
}
.panel__title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 26px; }
.panel__title h3 { color: var(--white); font-size: 1.1rem; }
.panel__badge {
  padding: 5px 10px; border-radius: 999px; background: rgba(127, 213, 218, .12); color: var(--accent-on-dark);
  font-size: .72rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase;
}
.panel__steps { display: grid; gap: 10px; }
.panel__step {
  display: grid; grid-template-columns: 32px 1fr; gap: 14px; align-items: center;
  padding: 14px 16px; border-radius: 12px;
  background: rgba(255, 255, 255, .04); border: 1px solid rgba(255, 255, 255, .08);
}
.panel__step strong { display: block; color: var(--white); font-size: .95rem; font-weight: 600; line-height: 1.35; }
.panel__step span { display: block; color: var(--slate-400); font-size: .825rem; line-height: 1.45; }
.panel__num {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid rgba(127, 213, 218, .4); color: var(--accent-on-dark); font: 700 .8rem/1 var(--font-display);
}
.panel__foot { margin-top: 22px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .1); color: var(--slate-400); font-size: .85rem; }

/* ---------- Dark band ---------- */
.band-dark {
  position: relative; overflow: hidden; isolation: isolate;
  padding: var(--section-y) 0; background: var(--navy-900); color: var(--slate-300);
}
.band-dark::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 85%);
  mask-image: linear-gradient(180deg, #000, transparent 85%);
}
.band-dark::after {
  content: ""; position: absolute; z-index: -1; width: 800px; height: 800px; left: -300px; bottom: -500px;
  background: radial-gradient(closest-side, rgba(43, 159, 169, .18), transparent);
}
.band-dark h2, .band-dark h3 { color: var(--white); }
.band-dark .eyebrow { color: var(--accent-on-dark); }
.band-dark .lead { color: var(--slate-300); }

.tile-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; border-radius: var(--radius); overflow: hidden; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .1); }
.tile { padding: clamp(26px, 3vw, 34px); background: var(--navy-900); transition: background-color .3s var(--ease); }
.tile:hover { background: var(--navy-800); }
.tile .icon { width: 26px; height: 26px; margin-bottom: 22px; color: var(--accent-on-dark); }
.tile h3 { margin-bottom: 10px; font-size: 1.05rem; }
.tile p { color: var(--slate-400); font-size: .925rem; }
.tile-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.band-note { margin-top: 36px; display: flex; gap: 12px; align-items: flex-start; max-width: 760px; color: var(--slate-400); font-size: .9rem; }
.band-note .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--accent-on-dark); }

/* ---------- Numbered list (why / values) ---------- */
.numbered { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--slate-200); }
.numbered__item { padding: 32px 32px 36px 0; border-bottom: 1px solid var(--slate-200); }
.numbered__item:not(:nth-child(3n + 1)) { padding-left: 32px; border-left: 1px solid var(--slate-200); }
.numbered__num { display: block; margin-bottom: 18px; color: var(--accent-strong); font: 700 .85rem/1 var(--font-display); letter-spacing: .08em; }
.numbered__item h3 { margin-bottom: 10px; }
.numbered__item p { color: var(--slate-600); font-size: .965rem; }

/* ---------- Service blocks ---------- */
.service-block {
  display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: clamp(32px, 6vw, 88px);
  padding: clamp(56px, 7vw, 88px) 0; border-top: 1px solid var(--slate-200);
}
.service-block:first-child { border-top: 0; padding-top: 0; }
.service-block__num { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; color: var(--accent-strong); font: 700 .85rem/1 var(--font-display); letter-spacing: .12em; text-transform: uppercase; }
.service-block__num .icon-tile { margin: 0; }
.service-block h2 { font-size: clamp(1.7rem, 1.35rem + 1.3vw, 2.35rem); }
.service-block__tagline { margin-top: 12px; color: var(--ink); font-size: 1.125rem; font-weight: 500; }
.service-block__body { margin-top: 18px; color: var(--slate-600); }
.includes {
  align-self: start; padding: clamp(26px, 3vw, 34px);
  border-radius: var(--radius); background: var(--paper); border: 1px solid var(--slate-200);
}
.includes h3 { margin-bottom: 18px; color: var(--slate-500); font: 600 .78rem/1 var(--font-sans); letter-spacing: .14em; text-transform: uppercase; }
.check-list { display: grid; gap: 14px; }
.check-list li { display: grid; grid-template-columns: 22px 1fr; gap: 12px; color: var(--slate-700); font-size: .965rem; line-height: 1.5; }
.check-list .icon { width: 20px; height: 20px; margin-top: 1px; color: var(--accent-strong); stroke-width: 2; }
.includes__fit { margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--slate-200); color: var(--slate-600); font-size: .9rem; }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; counter-reset: step; }
.step { position: relative; padding-top: 28px; border-top: 2px solid var(--slate-200); }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: -2px; left: 0; width: 44px; height: 2px; background: var(--accent);
  font-size: 0;
}
.step__num { display: block; margin-bottom: 14px; color: var(--accent-strong); font: 700 .85rem/1 var(--font-display); letter-spacing: .08em; }
.step h3 { margin-bottom: 10px; font-size: 1.1rem; }
.step p { color: var(--slate-600); font-size: .95rem; }
.band-dark .step { border-color: rgba(255, 255, 255, .14); }
.band-dark .step p { color: var(--slate-400); }
.band-dark .step__num { color: var(--accent-on-dark); }

/* ---------- Industries ---------- */
.industry-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.industry-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.industry-card .mini-list { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--slate-200); }
.mini-list__label { display: block; margin-bottom: 12px; color: var(--slate-500); font-size: .74rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.mini-list li { position: relative; padding-left: 18px; color: var(--slate-700); font-size: .925rem; line-height: 1.5; }
.mini-list li + li { margin-top: 8px; }
.mini-list li::before { content: ""; position: absolute; left: 0; top: .6em; width: 6px; height: 6px; border-radius: 2px; background: var(--accent); }
.industry-card--cta { background: var(--navy-900); border-color: var(--navy-900); color: var(--slate-300); }
.industry-card--cta h3 { color: var(--white); }
.industry-card--cta p { color: var(--slate-300); }
.industry-card--cta:hover { border-color: var(--navy-900); }

/* ---------- Pillars ---------- */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.pillar {
  position: relative; padding: clamp(30px, 3.5vw, 40px); border-radius: var(--radius-lg);
  background: var(--white); border: 1px solid var(--slate-200); overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.pillar:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.pillar::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--navy-900), var(--accent)); }
.pillar__num { display: block; margin-bottom: 26px; color: var(--slate-300); font: 800 3rem/1 var(--font-display); letter-spacing: -0.03em; }
.pillar__name { margin-bottom: 14px; color: var(--accent-strong); font-size: .8rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.pillar h3 { font-size: 1.3rem; margin-bottom: 12px; }
.pillar p { color: var(--slate-600); font-size: .965rem; }
.pillar .text-link { margin-top: 22px; font-size: .925rem; }

.pillar-detail { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(32px, 6vw, 88px); padding: clamp(56px, 7vw, 88px) 0; border-top: 1px solid var(--slate-200); }
.pillar-detail:first-child { border-top: 0; padding-top: 0; }
.pillar-detail__label { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.pillar-detail__label .icon-tile { margin: 0; }
.pillar-detail__name { color: var(--navy-900); font: 800 1rem/1 var(--font-display); letter-spacing: .24em; }
.pillar-detail h2 { font-size: clamp(1.6rem, 1.3rem + 1.2vw, 2.2rem); }
.pillar-detail__body { color: var(--slate-600); }
.pillar-detail__body > p { font-size: 1.075rem; }
.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 28px; }
.principle { padding: 18px 20px; border-radius: 12px; background: var(--paper); border: 1px solid var(--slate-200); color: var(--slate-700); font-size: .935rem; line-height: 1.5; }
.principle strong { display: block; margin-bottom: 4px; font-size: .965rem; }

/* ---------- Operating rhythm ---------- */
.rhythm { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.rhythm__item { position: relative; padding: 0 28px 0 0; }
.rhythm__item::before { content: ""; position: absolute; left: 14px; right: 0; top: 7px; height: 1.5px; background: var(--slate-300); }
.rhythm__item:last-child::before { right: 50%; background: linear-gradient(90deg, var(--slate-300), transparent); }
.rhythm__dot { position: relative; display: block; width: 16px; height: 16px; margin-bottom: 24px; border-radius: 50%; background: var(--white); border: 2px solid var(--accent); }
.rhythm__when { display: block; margin-bottom: 8px; color: var(--accent-strong); font-size: .78rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; }
.rhythm__item h3 { margin-bottom: 8px; font-size: 1.075rem; }
.rhythm__item p { color: var(--slate-600); font-size: .935rem; }

/* ---------- About ---------- */
.statement { max-width: 920px; }
.statement p { color: var(--ink); font: 600 clamp(1.4rem, 1.1rem + 1.2vw, 2rem)/1.35 var(--font-display); letter-spacing: -0.015em; }
.statement p span { color: var(--slate-400); }

.status-card {
  display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start;
  padding: clamp(26px, 3vw, 34px); border-radius: var(--radius); background: var(--white);
  border: 1px solid var(--slate-200); border-left: 3px solid var(--accent);
}
.status-card h3 { margin-bottom: 8px; }
.status-card p { color: var(--slate-600); }

.mv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.mv-card { padding: clamp(32px, 4vw, 48px); border-radius: var(--radius-lg); border: 1px solid var(--slate-200); background: var(--white); }
.mv-card--dark { background: var(--navy-900); border-color: var(--navy-900); }
.mv-card--dark .mv-card__label { color: var(--accent-on-dark); }
.mv-card--dark p { color: var(--white); }
.mv-card--dark .value-list li { color: var(--slate-300); border-color: rgba(255, 255, 255, .12); }
.mv-card__label { display: block; margin-bottom: 20px; color: var(--accent-strong); font-size: .8rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; }
.mv-card p { color: var(--ink); font: 600 clamp(1.25rem, 1.1rem + .6vw, 1.55rem)/1.4 var(--font-display); letter-spacing: -0.01em; }
.value-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 20px; margin-top: 28px; }
.value-list li { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-top: 1px solid var(--slate-200); color: var(--slate-700); font-size: .935rem; font-weight: 500; }
.value-list .icon { width: 18px; height: 18px; color: var(--accent-on-dark); stroke-width: 2; }

/* ---------- CTA band ---------- */
.cta {
  position: relative; overflow: hidden; isolation: isolate;
  padding: clamp(48px, 6vw, 80px); border-radius: var(--radius-lg);
  background: var(--navy-900); color: var(--slate-300);
  display: grid; grid-template-columns: 1.3fr auto; gap: 40px; align-items: center;
}
.cta::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  -webkit-mask-image: radial-gradient(ellipse 60% 100% at 100% 50%, #000, transparent 75%);
  mask-image: radial-gradient(ellipse 60% 100% at 100% 50%, #000, transparent 75%);
}
.cta::after {
  content: ""; position: absolute; z-index: -1; width: 600px; height: 600px; right: -200px; top: -300px;
  background: radial-gradient(closest-side, rgba(43, 159, 169, .25), transparent);
}
.cta h2 { color: var(--white); max-width: 640px; }
.cta p { margin-top: 18px; max-width: 580px; color: var(--slate-300); font-size: 1.075rem; }
.cta .btn-row { justify-content: flex-end; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr); gap: clamp(32px, 5vw, 72px); align-items: start; }
.form-card { padding: clamp(28px, 4vw, 48px); border-radius: var(--radius-lg); background: var(--white); border: 1px solid var(--slate-200); box-shadow: var(--shadow); }
.form-card__head { margin-bottom: 28px; }
.form-card__head h2 { font-size: 1.5rem; }
.form-card__head p { margin-top: 8px; color: var(--slate-600); font-size: .95rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field--full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-size: .9rem; font-weight: 600; }
.field label .req { color: var(--accent-strong); margin-left: 2px; }
.field label .opt { color: var(--slate-500); font-weight: 400; margin-left: 4px; }
.input {
  width: 100%; min-height: 50px; padding: 12px 14px;
  border: 1.5px solid var(--slate-300); border-radius: 10px; background: var(--white);
  color: var(--ink); font: 400 1rem/1.4 var(--font-sans);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
  -webkit-appearance: none; appearance: none;
}
.input::placeholder { color: var(--slate-400); }
.input:hover { border-color: var(--slate-400); }
.input:focus { outline: none; border-color: var(--navy-700); box-shadow: 0 0 0 4px rgba(43, 159, 169, .18); }
textarea.input { min-height: 150px; resize: vertical; }
select.input {
  padding-right: 44px; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center; background-size: 18px;
}
select.input:invalid { color: var(--slate-400); }
select.input option { color: var(--ink); }
.input[aria-invalid="true"] { border-color: #b42318; }
.input[aria-invalid="true"]:focus { box-shadow: 0 0 0 4px rgba(180, 35, 24, .14); }
.field__error { display: none; color: #b42318; font-size: .84rem; }
.field__error:not(:empty) { display: block; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 24px; margin-top: 28px; }
.form-foot p { max-width: 380px; color: var(--slate-500); font-size: .84rem; line-height: 1.5; }
.form-status { display: none; margin-top: 20px; padding: 14px 16px; border-radius: 10px; font-size: .925rem; }
.form-status.is-visible { display: block; }
.form-status--info { background: var(--slate-100); color: var(--slate-700); }
.form-status--error { background: #fef3f2; color: #b42318; }
.btn[aria-busy="true"] { opacity: .7; pointer-events: none; }

.form-success { text-align: center; padding: 24px 0; }
.form-success .icon-tile { width: 60px; height: 60px; margin: 0 auto 22px; border-radius: 50%; }
.form-success .icon-tile .icon { width: 28px; height: 28px; stroke-width: 2; }
.form-success h2 { font-size: 1.6rem; }
.form-success p { max-width: 420px; margin: 12px auto 0; color: var(--slate-600); }

.aside-stack { display: grid; gap: 24px; }
.aside-block { padding: clamp(24px, 3vw, 32px); border-radius: var(--radius); background: var(--paper); border: 1px solid var(--slate-200); }
.aside-block h2 { margin-bottom: 20px; font-size: 1.1rem; }
.next-steps { display: grid; gap: 18px; counter-reset: ns; }
.next-steps li { display: grid; grid-template-columns: 30px 1fr; gap: 14px; color: var(--slate-600); font-size: .925rem; line-height: 1.5; }
.next-steps li::before {
  counter-increment: ns; content: counter(ns);
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%;
  background: var(--navy-900); color: var(--white); font: 700 .8rem/1 var(--font-display);
}
.next-steps strong { display: block; margin-bottom: 2px; font-size: .95rem; }
.contact-list { display: grid; gap: 16px; }
.contact-list li { display: grid; grid-template-columns: 20px 1fr; gap: 14px; }
.contact-list .icon { width: 20px; height: 20px; margin-top: 2px; color: var(--accent-strong); }
.contact-list span { display: block; color: var(--slate-500); font-size: .78rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }
.contact-list strong { font-weight: 500; font-size: .95rem; word-break: break-word; }
.aside-note { color: var(--slate-600); font-size: .9rem; }
.aside-note strong { display: block; margin-bottom: 6px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); color: var(--slate-400); padding: clamp(64px, 7vw, 96px) 0 32px; }
.site-footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr; gap: 40px; }
.site-footer__descriptor { margin-top: 22px; color: var(--slate-300); font-size: .925rem; }
.site-footer__tagline { margin-top: 6px; color: var(--slate-500); font-size: .9rem; }
.site-footer__heading { margin-bottom: 18px; color: var(--white); font: 600 .78rem/1 var(--font-sans); letter-spacing: .16em; text-transform: uppercase; }
.site-footer__col li + li { margin-top: 12px; }
.site-footer__col a { font-size: .925rem; transition: color .2s var(--ease); }
.site-footer__col a:hover { color: var(--white); }
.site-footer__contact li { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; word-break: break-word; }
.site-footer__contact .icon { width: 18px; height: 18px; margin-top: 3px; color: var(--accent-on-dark); }
.site-footer__col .text-link { margin-top: 22px; font-size: .925rem; }
.site-footer__bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px;
  margin-top: clamp(48px, 6vw, 72px); padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .08);
  font-size: .85rem; color: var(--slate-500);
}

/* ---------- 404 ---------- */
.not-found { min-height: 60vh; display: grid; place-items: center; text-align: center; }
.not-found .lead { margin: 20px auto 32px; max-width: 520px; }
.not-found .btn-row { justify-content: center; }

/* ---------- Motion ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: calc(var(--d, 0) * 80ms); }
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1180px) {
  .primary-nav a { padding: 10px 11px; font-size: .9rem; }
  .site-header__inner { gap: 20px; }
}

@media (max-width: 1080px) {
  .primary-nav, .site-header__cta { display: none; }
  .nav-toggle { display: block; }
  .mobile-nav { display: block; }

  .hero__grid { grid-template-columns: minmax(0, 1fr); }
  .hero__copy { max-width: 720px; }
  .model { max-width: 620px; }

  .tile-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 24px; }
  .rhythm { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 0; }
  .rhythm__item:nth-child(2)::before { right: 50%; background: linear-gradient(90deg, var(--slate-300), transparent); }
  .site-footer__grid { grid-template-columns: 1fr 1fr; gap: 48px 32px; }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 960px) {
  .grid--3, .industry-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .split--wide-left, .service-block, .pillar-detail, .contact-grid { grid-template-columns: 1fr; }
  .split--reverse-mobile > :first-child { order: 2; }
  .pillars { grid-template-columns: 1fr; }
  .tile-grid--3 { grid-template-columns: 1fr; }
  .numbered { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .numbered__item:not(:nth-child(3n + 1)) { padding-left: 0; border-left: 0; }
  .numbered__item:nth-child(even) { padding-left: 28px; border-left: 1px solid var(--slate-200); }
  .numbered__item { padding-right: 28px; }
  .cta { grid-template-columns: 1fr; }
  .cta .btn-row { justify-content: flex-start; }
  .section-head--row { flex-direction: column; align-items: flex-start; }
  .contact-grid .aside-stack { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  :root { --header-h: 68px; }
  body { font-size: .985rem; }
  .brand__name { font-size: 1.08rem; }
  .logo-mark { width: 27px; height: 27px; }

  .grid--2, .grid--3, .grid--4, .industry-grid, .form-grid, .principles, .mv-grid { grid-template-columns: 1fr; }
  .tile-grid { grid-template-columns: 1fr; }
  .numbered { grid-template-columns: 1fr; }
  .numbered__item, .numbered__item:nth-child(even) { padding: 28px 0 30px; border-left: 0; }
  .steps, .rhythm { grid-template-columns: 1fr; gap: 32px; }
  .rhythm__item { padding: 0 0 0 36px; }
  .rhythm__item::before, .rhythm__item:nth-child(2)::before, .rhythm__item:last-child::before { left: 7px; right: auto; top: 16px; bottom: -32px; width: 1.5px; height: auto; background: var(--slate-300); }
  .rhythm__item:last-child::before { display: none; }
  .rhythm__dot { position: absolute; left: 0; top: 0; margin: 0; }
  .contact-grid .aside-stack { grid-template-columns: 1fr; }
  .value-list { grid-template-columns: 1fr; }

  .btn-row .btn { flex: 1 1 100%; }
  .hero__meta { flex-direction: column; gap: 12px; }
  .model__link { margin-left: 34px; height: 28px; }
  .model__node { padding: 18px; }
  .model__caption, .model__chips { margin-left: 0; }
  .model__pillar { font-size: .7rem; letter-spacing: .04em; }
  .cta { padding: 36px 24px; border-radius: var(--radius); }
  .form-card { padding: 24px 20px; border-radius: var(--radius); }
  .form-foot .btn { width: 100%; }
  .status-card { grid-template-columns: 1fr; gap: 12px; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 36px; }
  .anchor-nav a { font-size: .825rem; padding: 8px 13px; }
}

/* Small component refinements */
.industry-card--cta .icon-tile { background: rgba(255, 255, 255, .08); }
.status-card .icon-tile { margin: 0; }
.hero__copy, .model { min-width: 0; }
@media (max-width: 400px) {
  h1 { font-size: 2.15rem; }
  .hero .eyebrow { letter-spacing: .12em; font-size: .72rem; }
  .model__pillars { gap: 6px; }
  .model__pillar { padding: 10px 4px; font-size: .64rem; }
}

/* The header's backdrop-filter makes it the containing block for fixed children,
   so the mobile panel is anchored to the header with an explicit viewport height. */
.mobile-nav { position: absolute; top: 100%; bottom: auto; height: calc(100vh - var(--header-h)); height: calc(100dvh - var(--header-h)); }
@media (max-width: 640px) { .model__link { margin-left: 28px; } }
.mv-card.mv-card--dark p { color: var(--white); }
@media (min-width: 1181px) {
  .industry-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
  .industry-card { padding: 28px 26px; }
}