/* ============================================================
   ORE-YX — style.css
   Built to spec: see DESIGN.md (v2). Edit the spec first.

   Theme:  black chrome × white paper — dark metal sections
           alternating with clean white ones. White header band
           carries the mark in its native navy + steel.
   Rhythm: header white → hero dark → About white → Trade mist
           → Approach white → Compliance dark → Contact white
           → footer dark.
   Fonts:  Space Grotesk (display), Inter (body)
   ============================================================ */

/* ---------- Design tokens (DESIGN.md §2) ---------- */
:root {
  /* Light world — "white paper" */
  --paper: #FFFFFF;
  --paper-mist: #F4F5F7;
  --ink-navy: #1A2332;                    /* the mark's navy */
  --ink-navy-rgb: 26, 35, 50;
  --ink-navy-soft: #2A374C;               /* navy hover state */
  --body-light: #46505E;
  --muted-light: #6B7480;
  --line-light: #E3E6EB;

  /* Dark world — "black chrome" (neutral graphite, no blue cast) */
  --bg-dark: #0A0B0D;
  --surface-dark: #15171B;
  --surface-deep: #0D0E11;
  --surface-deep-2: #131519;
  --footer-bg: #08090B;
  --text-dark: #B9C1CC;
  --bright-dark: #F2F4F8;
  --muted-dark: #78818E;
  --line-dark: rgba(203, 213, 225, 0.10);
  --line-dark-strong: rgba(203, 213, 225, 0.22);

  /* Chrome silvers — dark-world display metal */
  --chrome-hi: #F4F6F9;
  --chrome-mid: #B9C1CD;
  --chrome-mid-rgb: 185, 193, 205;
  --chrome-lo: #7C8694;
  --chrome-lo-rgb: 124, 134, 148;
  --chrome-grad: linear-gradient(180deg,
      #F5F7FA 0%, #C9D0DA 40%, #8E98A6 52%, #DDE2E9 78%, #AEB6C2 100%);
  --chrome-flow: linear-gradient(115deg,
      #2A2E35 0%, #5B636E 28%, #D9DEE5 46%, #6C7480 58%, #24272D 78%, #4C5460 100%);

  /* Tungsten — the mark's horn/leg grey, the brand's signature metal.
     Text accents on both grounds; visible material on light ground. */
  --steel: #6E6A66;                       /* tungsten ink — on light ground */
  --steel-rgb: 110, 106, 102;
  --steel-light: #B0AAA3;                 /* tungsten sheen — on dark ground */
  --tungsten-bar: linear-gradient(90deg, var(--steel), var(--steel-light), var(--steel));
  --tungsten-sheen: linear-gradient(180deg, #FFFFFF 0%, #EFEEEC 100%);

  /* Type */
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Rhythm */
  --container: 1140px;
  --section-pad: clamp(4.5rem, 9vw, 7.5rem);
  --header-h: 118px;
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 8px);
}

/* Light world is the default; dark sections override locally */
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--body-light);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

a { color: var(--ink-navy); text-decoration: none; }
a:hover { color: var(--steel); text-decoration: underline; }

/* Visible keyboard focus everywhere (DESIGN.md §4) */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ink-navy);
  outline-offset: 3px;
  border-radius: 2px;
}
.section-dark a:focus-visible,
.section-dark button:focus-visible,
.hero a:focus-visible,
.site-footer a:focus-visible {
  outline-color: var(--chrome-mid);
}

h1, h2, h3 {
  font-family: var(--font-display);
  color: var(--ink-navy);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

h1 { font-size: clamp(2.5rem, 6.5vw, 4.4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.container.narrow { max-width: 860px; }

/* ---------- Buttons (DESIGN.md §4) ---------- */
.btn {
  display: inline-block;
  padding: 0.9rem 2.1rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  transition: filter 0.2s ease, background-color 0.2s ease,
              border-color 0.2s ease, color 0.2s ease,
              transform 0.15s ease, box-shadow 0.2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); filter: brightness(0.92); }

/* Light context: solid navy ink */
.btn-primary {
  background: var(--ink-navy);
  color: var(--paper);
  box-shadow: 0 6px 20px rgba(var(--ink-navy-rgb), 0.25);
}
.btn-primary:hover { background: var(--ink-navy-soft); }

/* Dark (hero) context: a bar of polished chrome with engraved text */
.hero .btn-primary {
  background: var(--chrome-grad);
  color: var(--ink-navy);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.6),
    0 6px 20px rgba(0, 0, 0, 0.45);
}
.hero .btn-primary:hover { background: var(--chrome-grad); filter: brightness(1.08); }

.btn-ghost { border-color: var(--line-dark-strong); color: var(--bright-dark); }
.btn-ghost:hover { border-color: var(--chrome-mid); color: var(--chrome-hi); }

.btn-block { width: 100%; }

/* ============================================================
   HEADER — white band, mark in native colors (DESIGN.md §1, §4)
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
/* Class toggled by script.js once the page is scrolled */
.site-header.is-scrolled {
  border-bottom-color: var(--line-light);
  box-shadow: 0 4px 24px rgba(var(--ink-navy-rgb), 0.08);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.brand:hover { text-decoration: none; }

.brand-mark { width: 96px; height: 103px; }

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
  letter-spacing: 0.08em;
  color: var(--ink-navy);
}

/* Desktop nav */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.25rem);
}
.site-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-navy);
  letter-spacing: 0.01em;
}
.site-nav a:hover { color: var(--steel); text-decoration: none; }

.site-nav .nav-cta {
  padding: 0.5rem 1.3rem;
  border: 1px solid var(--ink-navy);
  border-radius: 4px;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.site-nav .nav-cta:hover {
  background: var(--ink-navy);
  color: var(--paper);
}

/* Hamburger — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-width: 44px;   /* accessible touch target */
  min-height: 44px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--ink-navy);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO — black chrome, the oryx in liquid metal (DESIGN.md §7)
   ============================================================ */
.hero {
  position: relative;
  background:
    /* faint geometric facet pattern */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120' viewBox='0 0 120 120'%3E%3Cg fill='none' stroke='%23FFFFFF' stroke-opacity='0.03' stroke-width='1'%3E%3Cpath d='M0 120 60 0l60 120M-60 120 0 0l60 120M60 120 120 0l60 120'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(ellipse 90% 60% at 70% 108%, rgba(var(--chrome-lo-rgb), 0.16) 0%, transparent 60%),
    radial-gradient(ellipse 60% 45% at 15% -10%, rgba(var(--chrome-mid-rgb), 0.06) 0%, transparent 55%),
    var(--bg-dark);
  color: var(--text-dark);
  padding: clamp(6.5rem, 15vw, 11rem) 0 clamp(5.5rem, 13vw, 9.5rem);
  overflow: hidden;
}

/* The oryx mark, huge, cast in animated liquid chrome. The real SVG
   file is the alpha mask; the moving gradient underneath makes the
   metal catch the light. */
.hero-mark {
  position: absolute;
  top: 50%;
  right: clamp(-6rem, -3vw, 0rem);
  /* --parallax is driven by script.js on scroll */
  transform: translateY(calc(-50% + var(--parallax, 0px)));
  width: min(46vw, 540px);
  aspect-ratio: 240 / 258;
  background: var(--chrome-flow);
  background-size: 250% 250%;
  -webkit-mask: url("OREYX-mark-3a.svg") center / contain no-repeat;
  mask: url("OREYX-mark-3a.svg") center / contain no-repeat;
  opacity: 0.55;
  animation: chrome-flow 10s ease-in-out infinite alternate;
  pointer-events: none;
}

/* Soft halo behind the mark so it reads against near-black */
.hero::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -6%;
  width: min(52vw, 640px);
  aspect-ratio: 1;
  transform: translateY(-50%);
  background: radial-gradient(circle, rgba(var(--chrome-mid-rgb), 0.07) 0%, transparent 62%);
  pointer-events: none;
}

@keyframes chrome-flow {
  from { background-position: 0% 30%; }
  to   { background-position: 100% 70%; }
}

.hero-inner {
  position: relative;   /* above the watermark */
  z-index: 1;
  max-width: 760px;
}

.hero-kicker {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel-light);
  margin-bottom: 1.4rem;
}

/* Hero headline: chrome plating plus a slow light-sweep across the
   glyphs — a highlight band layered over the base chrome gradient,
   both clipped to the text. */
.hero h1 {
  margin-bottom: 1.6rem;
  background:
    linear-gradient(115deg, transparent 38%, rgba(255, 255, 255, 0.55) 50%, transparent 62%),
    var(--chrome-grad);
  background-size: 200% 100%, 100% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: chrome-shine 8s ease-in-out infinite;
}
@keyframes chrome-shine {
  0%, 55%   { background-position: 200% 0, 0 0; }
  90%, 100% { background-position: -100% 0, 0 0; }
}

.hero-sub {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  max-width: 600px;
  margin-bottom: 2.6rem;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* ============================================================
   SECTIONS — shared (light world default)
   ============================================================ */
.section { padding: var(--section-pad) 0; }

/* Mist: the alternate light shade (What We Trade) */
.section-alt { background: var(--paper-mist); }

.section-kicker {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 1rem;
}

/* The tungsten signature: a small polished-metal rule before every
   kicker, running the mark's grey through the whole page. */
.section-kicker::before,
.hero-kicker::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 2px;
  background: var(--tungsten-bar);
  margin-right: 0.6rem;
  vertical-align: middle;
}

.section h2 { margin-bottom: 1.3rem; }

.section-intro {
  max-width: 640px;
  font-size: 1.08rem;
  margin-bottom: 3rem;
}

.lead { font-size: 1.12rem; }

/* About stats */
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2.5rem;
  /* Tungsten rule fading out to the right */
  border-top: 2px solid;
  border-image: linear-gradient(90deg, var(--steel), var(--steel-light), transparent) 1;
}
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink-navy);
}
.stat-label { font-size: 0.9rem; color: var(--muted-light); }

/* ============================================================
   WHAT WE TRADE — white cards on mist (DESIGN.md §4)
   ============================================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line-light);
  border-radius: 6px;
  padding: 2rem 1.75rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 40px rgba(var(--ink-navy-rgb), 0.10);
}

/* Spotlight: a soft navy glow that tracks the cursor across the card.
   --mx / --my are set by script.js (pointer devices only). */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%),
      rgba(var(--ink-navy-rgb), 0.05), transparent 65%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.card:hover::after { opacity: 1; }

.card h3 { margin-bottom: 0.75rem; }
.card p { font-size: 0.95rem; }

/* Featured (lead commodity) card: steel→navy bar on top */
.card-featured { padding-top: calc(2rem + 3px); }
.card-featured::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: 6px 6px 0 0;
  background: var(--tungsten-bar);   /* polished tungsten edge */
}

/* Solid tungsten chip */
.card-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--steel);
  padding: 0.3rem 0.7rem;
  border-radius: 3px;
  margin-bottom: 1rem;
}

/* ============================================================
   OUR APPROACH — feature blocks on white
   ============================================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem 1.75rem;
  margin-top: 2.5rem;
}

/* Brushed tungsten tile, tungsten-grey icon */
.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--steel);
  background: var(--tungsten-sheen);
  border: 1px solid rgba(var(--steel-rgb), 0.35);
  border-radius: 6px;
  margin-bottom: 1.1rem;
}
.feature-icon svg { width: 26px; height: 26px; }

.feature h3 { margin-bottom: 0.6rem; }
.feature p { font-size: 0.93rem; }

/* ============================================================
   COMPLIANCE — black chrome, the trust anchor (DESIGN.md §1)
   ============================================================ */
.section-dark {
  background:
    radial-gradient(ellipse 80% 90% at 85% 110%, rgba(var(--chrome-lo-rgb), 0.16) 0%, transparent 60%),
    linear-gradient(180deg, var(--surface-deep) 0%, var(--surface-deep-2) 100%);
  color: var(--text-dark);
}

/* Dark world overrides: chrome display type, steel-light accents */
.section-dark h2 {
  background: var(--chrome-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.section-dark .section-kicker { color: var(--steel-light); }
.section-dark strong { color: var(--bright-dark); font-weight: 600; }

.compliance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.compliance-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-dark);
  border-left: 3px solid var(--steel-light);
  border-radius: 6px;
  padding: 1.9rem 1.75rem;
}
.compliance-item h3 { color: var(--bright-dark); margin-bottom: 0.7rem; }
.compliance-item p { font-size: 0.95rem; }

/* The shipment file — the per-shipment documentary pack */
.doc-pack {
  margin-top: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  padding: 1.9rem 1.75rem;
}
.doc-pack h3 { color: var(--bright-dark); margin-bottom: 0.4rem; }
.doc-pack > p { font-size: 0.95rem; margin-bottom: 1.4rem; }

.doc-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.65rem 2rem;
}
.doc-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.92rem;
}
/* Small tungsten diamond marker — echoes the facet pattern */
.doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 7px;
  height: 7px;
  background: var(--steel-light);
  transform: rotate(45deg);
}

.compliance-note {
  margin-top: 2.75rem;
  max-width: 640px;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 500;
  color: var(--bright-dark);
  border-left: 3px solid var(--steel-light);
  padding-left: 1.25rem;
}

/* ============================================================
   CONTACT — white
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  align-items: start;
}

.contact-details { margin-top: 2.25rem; display: grid; gap: 1.5rem; }
.contact-details dt {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.25rem;
}
.contact-details dd { font-size: 0.98rem; }

/* Form */
.contact-form {
  background: var(--paper-mist);
  border: 1px solid var(--line-light);
  border-radius: 8px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: 0 20px 50px rgba(var(--ink-navy-rgb), 0.08);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-field { margin-bottom: 1.1rem; }

.form-field label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-navy);
  margin-bottom: 0.35rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-navy);
  background: var(--paper);
  border: 1px solid var(--line-light);
  border-radius: 4px;
  padding: 0.7rem 0.85rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-field textarea { resize: vertical; }

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--ink-navy);
  box-shadow: 0 0 0 3px rgba(var(--ink-navy-rgb), 0.12);
}

.form-hint {
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: var(--muted-light);
  text-align: center;
}

/* Inline send confirmation / error under the submit button */
.form-status {
  margin-top: 0.9rem;
  font-size: 0.92rem;
  font-weight: 500;
  text-align: center;
}
.form-status.is-ok { color: var(--ink-navy); }
.form-status.is-error { color: var(--steel); }

/* ============================================================
   FOOTER — black chrome
   ============================================================ */
.site-footer {
  background: var(--footer-bg);
  color: var(--muted-dark);
  padding: 3.5rem 0 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  padding-bottom: 2.5rem;
}

.footer-brand .brand-name {
  font-size: 1.2rem;
  /* Chrome-plated wordmark on the dark footer */
  background: var(--chrome-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.footer-brand p { margin-top: 0.4rem; font-size: 0.9rem; }

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.footer-nav a { color: var(--muted-dark); font-size: 0.9rem; }
.footer-nav a:hover { color: var(--chrome-hi); text-decoration: none; }

.footer-legal {
  border-top: 1px solid var(--line-dark);
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}
.footer-legal p { font-size: 0.82rem; }

/* ============================================================
   SCROLL-REVEAL (DESIGN.md §7)
   Elements with .reveal start hidden and slide up when the
   IntersectionObserver in script.js adds .is-visible.
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Respect users who prefer no motion — show everything immediately */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero-mark { animation: none; }
  .hero h1 { animation: none; background: var(--chrome-grad); -webkit-background-clip: text; background-clip: text; }
  .card::after { display: none; }
}

/* ============================================================
   RESPONSIVE (DESIGN.md §9)
   ============================================================ */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
  .card-featured { grid-column: 1 / -1; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .compliance-grid { grid-template-columns: 1fr; }
  .doc-list { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  :root { --header-h: 96px; }

  /* Mobile nav: white slide-down panel under the header */
  .nav-toggle { display: flex; }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line-light);
    box-shadow: 0 24px 48px rgba(var(--ink-navy-rgb), 0.14);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }
  .site-nav.is-open { max-height: 22rem; }

  .site-nav a {
    padding: 0.95rem clamp(1.25rem, 4vw, 2.5rem);
    border-top: 1px solid var(--line-light);
  }
  .site-nav .nav-cta {
    border: none;
    border-top: 1px solid var(--line-light);
    border-radius: 0;
  }

  /* On small screens the mark sits behind the copy as a faint emblem */
  .hero-mark {
    right: 50%;
    transform: translate(50%, calc(-50% + var(--parallax, 0px)));
    width: min(80vw, 380px);
    opacity: 0.14;
  }
  .hero::after { display: none; }

  .brand-mark { width: 72px; height: 77px; }
  .brand-name { font-size: 1.5rem; }

  .card-grid,
  .feature-grid,
  .compliance-grid,
  .doc-list,
  .form-row { grid-template-columns: 1fr; }

  .stat-row { grid-template-columns: 1fr; gap: 1.75rem; }

  .hero-actions .btn { width: 100%; text-align: center; }
}