/* ============================================================
   atom technologies
   ============================================================ */
@font-face {
  font-family: "Adineue";
  src: url("../fonts/adineue-PRO-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* color */
  --ink: #0e1f30;
  --ink-soft: #16324a;
  --brand: #406b92;
  --brand-deep: #2c4c69;
  --brand-light: #7ca0bf;
  --ice: #c8e2e5;
  --ice-soft: #e7f1f2;
  --paper: #f6faf9;
  --white: #ffffff;
  --amber: #f0a63b;
  --amber-soft: #fbe3c0;
  --line: rgba(14, 31, 48, 0.1);
  --shadow-color: 210 45% 20%;

  /* type */
  --font-display: "Adineue", "Poppins", system-ui, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;

  /* rhythm */
  --section-pad: clamp(4.5rem, 8vw, 8rem);
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overflow-x: clip;
  overscroll-behavior-x: none;
  width: 100%;
  max-width: 100vw;
}

img, iframe, svg, video, table { max-width: 100%; }

::selection { background: var(--amber-soft); color: var(--ink); }

a { text-decoration: none; color: inherit; }

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

.container-xl { max-width: 1240px; }

h1, h2, h3, .display-font {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--ink);
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--brand-deep);
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-weight: 500;
}

.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-soft);
  flex: none;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand);
  border: 1px solid var(--line);
  background: var(--white);
  padding: 0.3rem 0.7rem;
  border-radius: 100px;
}

.lead-copy {
  font-size: clamp(1.02rem, 1.1vw, 1.15rem);
  color: rgba(14, 31, 48, 0.68);
  line-height: 1.65;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn-atom {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.6rem;
  border-radius: 100px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-atom-primary {
  background: var(--ink);
  color: var(--paper);
}
.btn-atom-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px -12px hsl(var(--shadow-color) / 0.55);
  color: var(--paper);
  background: var(--ink-soft);
}
.btn-atom-primary .icon-dot {
  background: var(--amber);
}

.btn-atom-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}
.btn-atom-ghost:hover {
  border-color: var(--brand);
  color: var(--brand-deep);
  background: var(--ice-soft);
}

.icon-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex: none;
  transition: transform 0.3s ease;
}
.btn-atom:hover .icon-dot { transform: scale(1.3); }

/* ============================================================
   Navbar
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.35rem 0;
  transition: background 0.35s ease, padding 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  border-bottom: 1px solid transparent;
  transform: translateZ(0);
}
.site-nav.is-scrolled {
  background: rgba(246, 250, 249, 0.9);
  backdrop-filter: blur(9px) saturate(140%);
  border-color: var(--line);
  box-shadow: 0 10px 30px -20px hsl(var(--shadow-color) / 0.4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}
.nav-brand img.brand-icon { height: 34px; width: auto; }
.nav-brand img.brand-word { height: 15px; width: auto; margin-top: 3px; }

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 0.5rem 0.2rem;
  margin: 0 0.85rem;
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}
.nav-links a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-phone {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  padding-top: clamp(8rem, 14vw, 10.5rem);
  padding-bottom: clamp(4rem, 8vw, 6rem);
  background:
    radial-gradient(60% 55% at 82% 18%, var(--ice-soft) 0%, transparent 70%),
    radial-gradient(45% 45% at 8% 85%, var(--ice-soft) 0%, transparent 70%),
    var(--paper);
  overflow: hidden;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(70% 60% at 60% 30%, black, transparent 75%);
  opacity: 0.7;
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.1vw, 4.3rem);
  max-width: 14ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--brand);
  position: relative;
}

.hero-sub {
  max-width: 46ch;
  margin-top: 1.4rem;
}

.hero-actions { margin-top: 2.4rem; }

.hero-meta-row {
  margin-top: 3.2rem;
  padding-top: 1.8rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 1.6rem 2.4rem;
}
.hero-meta-row .tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.hero-meta-row .tag::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 1px;
  background: var(--brand-light);
  transform: rotate(45deg);
}

.hero-visual {
  position: relative;
  min-height: 460px;
  contain: layout paint;
}

/* orbit svg */
.orbit-svg { width: 100%; height: auto; overflow: visible; transform: translateZ(0); }
.orbit-ellipse {
  fill: none;
  stroke: var(--brand);
  stroke-width: 1.6;
  opacity: 0.55;
}
.orbit-ellipse.dashed { stroke-dasharray: 7 7; opacity: 0.4; }
.orbit-group-a { transform-origin: 280px 260px; animation: spin-slow 26s linear infinite; will-change: transform; }
.orbit-group-b { transform-origin: 280px 260px; animation: spin-slow-rev 34s linear infinite; will-change: transform; }
.orbit-group-c { transform-origin: 280px 260px; animation: spin-slow 42s linear infinite; will-change: transform; }
@keyframes spin-slow { from { transform: rotate(0deg);} to { transform: rotate(360deg);} }
@keyframes spin-slow-rev { from { transform: rotate(360deg);} to { transform: rotate(0deg);} }

.orbit-electron { fill: var(--brand-deep); }
.orbit-node { fill: var(--paper); stroke: var(--brand); stroke-width: 1.5; }
.orbit-node-fill { fill: var(--amber); }
.orbit-pulse { animation: pulse-node 3.2s ease-in-out infinite; }
@keyframes pulse-node {
  0%, 100% { opacity: 0.55; r: 3.5; }
  50% { opacity: 1; r: 5; }
}
.orbit-link {
  stroke: var(--brand-light);
  stroke-width: 1;
  opacity: 0.5;
  stroke-dasharray: 3 5;
}
.orbit-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--ink-soft);
  opacity: 0.55;
}
.orbit-packet {
  fill: var(--amber);
  opacity: 0;
  will-change: transform, opacity;
}
.packet-1 { animation: packet-move-1 4.5s ease-in-out infinite; }
.packet-2 { animation: packet-move-2 6s ease-in-out infinite; animation-delay: 1.2s; }

@keyframes packet-move-1 {
  0% { transform: translate(0, 0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translate(220px, -140px); opacity: 0; }
}
@keyframes packet-move-2 {
  0% { transform: translate(0, 0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translate(-220px, 70px); opacity: 0; }
}

.anim-paused .orbit-group-a,
.anim-paused .orbit-group-b,
.anim-paused .orbit-group-c,
.anim-paused .orbit-packet,
.anim-paused .orbit-pulse,
.anim-paused .marquee-track {
  animation-play-state: paused;
}

/* ============================================================
   Marquee capability strip
   ============================================================ */
.capability-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  padding: 1rem 0;
  overflow: hidden;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
  will-change: transform;
}
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(246, 250, 249, 0.65);
  padding: 0 1.6rem;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 1.6rem;
}
.marquee-track span::after {
  content: "◆";
  color: var(--amber);
  font-size: 0.55rem;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   Section shell
   ============================================================ */
.section { padding: var(--section-pad) 0; }
.section-dark { background: var(--ink); color: var(--paper); }
.section-dark .eyebrow { color: var(--ice); }
.section-dark .eyebrow::before { background: var(--amber); box-shadow: 0 0 0 4px rgba(240,166,59,0.25); }
.section-dark h2 { color: var(--paper); }
.section-ice { background: var(--ice-soft); }

.section-head {
  max-width: 640px;
  margin-bottom: 3.4rem;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.7rem);
  margin-top: 0.9rem;
}
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-up.is-visible { opacity: 1; transform: translateY(0); }

/* ============================================================
   Services
   ============================================================ */
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 2.1rem 1.9rem;
  height: 100%;
  position: relative;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 44px -26px hsl(var(--shadow-color) / 0.4);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--brand-light);
  letter-spacing: 0.1em;
}

.service-icon {
  width: 46px;
  height: 46px;
  margin: 1.1rem 0 1.3rem;
  color: var(--brand-deep);
}
.service-icon svg { width: 100%; height: 100%; }

.service-card h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--ink);
  margin-bottom: 0.6rem;
}
.service-card p {
  color: rgba(14,31,48,0.65);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.1rem;
}
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.service-tags span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--brand-deep);
  background: var(--ice-soft);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}

/* ============================================================
   Process timeline
   ============================================================ */
.process-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
}
.process-track::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0; right: 0;
  height: 1px;
  background: repeating-linear-gradient(to right, var(--line) 0 8px, transparent 8px 14px);
}
.process-step { position: relative; padding-top: 3.6rem; }
.process-num {
  position: absolute;
  top: 0; left: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--paper);
  border: 1.5px solid var(--brand);
  color: var(--brand-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  z-index: 2;
}
.process-step h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 0.5rem;
}
.process-step p {
  font-size: 0.88rem;
  color: rgba(14,31,48,0.62);
  line-height: 1.55;
}

@media (max-width: 991px) {
  .process-track { grid-template-columns: 1fr 1fr; }
  .process-track::before { display: none; }
}
@media (max-width: 575px) {
  .process-track { grid-template-columns: 1fr; }
}

/* ============================================================
   Stats band
   ============================================================ */
.stat-item { text-align: left; }
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  color: var(--paper);
  display: flex;
  align-items: baseline;
  gap: 0.15rem;
}
.stat-num .unit {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--amber);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: rgba(246,250,249,0.55);
  margin-top: 0.5rem;
  text-transform: uppercase;
}

/* ============================================================
   Approach / feature strip
   ============================================================ */
.feature-row {
  display: flex;
  gap: 1.1rem;
  padding: 1.6rem 0;
  border-top: 1px solid var(--line);
}
.feature-row:last-child { border-bottom: 1px solid var(--line); }
.feature-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--brand-light);
  padding-top: 0.2rem;
  flex: none;
  width: 2.4rem;
}
.feature-row h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.3rem;
}
.feature-row p {
  color: rgba(14,31,48,0.62);
  font-size: 0.92rem;
  margin: 0;
  max-width: 52ch;
}

/* ============================================================
   Contact
   ============================================================ */
.contact-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: 0 40px 80px -50px hsl(var(--shadow-color) / 0.5);
}
.contact-info {
  background: var(--ink);
  color: var(--paper);
  padding: 3rem 2.6rem;
  position: relative;
  overflow: hidden;
  height: 100%;
}
.contact-info h3 {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 0.9rem;
  max-width: 20ch;
}
.contact-info p.lead-copy { color: rgba(246,250,249,0.65); }

.contact-line {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 0;
  border-top: 1px solid rgba(246,250,249,0.14);
}
.contact-line:first-of-type { margin-top: 2rem; }
.contact-line .icon-wrap {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(246,250,249,0.08);
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.contact-line .icon-wrap svg { width: 17px; height: 17px; }
.contact-line a, .contact-line span.value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
}
.contact-line .label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(246,250,249,0.45);
  margin-bottom: 0.15rem;
}

.contact-form-side { padding: 3rem 2.6rem; }
.form-label-atom {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}
.form-control-atom {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--paper);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}
.form-control-atom:focus {
  outline: none;
  border-color: var(--brand);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(64,107,146,0.12);
}
textarea.form-control-atom { resize: vertical; min-height: 120px; }

.form-status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-top: 1rem;
  display: none;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}
.form-status.status-ok { display: block; background: #e6f5ee; color: #1a7a4c; }
.form-status.status-err { display: block; background: #fde8e6; color: #b3261e; }

/* ============================================================
   Map
   ============================================================ */
.map-panel { margin-top: 2.4rem; }
.map-panel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.map-panel-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(14,31,48,0.55);
}

.map-frame-wrap {
  position: relative;
  height: 420px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 40px 80px -55px hsl(var(--shadow-color) / 0.5);
}
.map-frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  filter: grayscale(55%) contrast(1.08) brightness(0.98) saturate(1.15);
}
.map-frame-wrap::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(64, 107, 146, 0.22), rgba(14, 31, 48, 0.04) 55%);
  mix-blend-mode: multiply;
  pointer-events: none;
}
.map-frame-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06);
  pointer-events: none;
  z-index: 2;
}

.map-tag {
  position: absolute;
  top: 1.2rem;
  left: 1.2rem;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--white);
  border-radius: 100px;
  padding: 0.5rem 1.1rem 0.5rem 0.5rem;
  box-shadow: 0 18px 34px -20px hsl(var(--shadow-color) / 0.55);
}
.map-tag .icon-wrap-sm {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--ice-soft);
  color: var(--brand-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.map-tag .icon-wrap-sm svg { width: 15px; height: 15px; }
.map-tag .label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(14,31,48,0.5);
}
.map-tag .value {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.86rem;
  color: var(--ink);
}

@media (max-width: 575px) {
  .map-frame-wrap { height: 320px; }
}

/* ============================================================
   reCAPTCHA — Google renders this at a fixed 304px width via
   inline styles on the injected iframe, which ordinary CSS
   max-width rules can't override. Scale it down on narrow
   screens instead so it can never force horizontal overflow.
   ============================================================ */
.recaptcha-shell {
  max-width: 100%;
  overflow: hidden;
}
@media (max-width: 420px) {
  .recaptcha-shell {
    width: 277px;
    height: 71px;
  }
  .recaptcha-shell .g-recaptcha {
    transform: scale(0.91);
    transform-origin: 0 0;
  }
}
@media (max-width: 360px) {
  .recaptcha-shell {
    width: 250px;
    height: 65px;
  }
  .recaptcha-shell .g-recaptcha {
    transform: scale(0.82);
    transform-origin: 0 0;
  }
}

/* ============================================================
   Mobile offcanvas menu
   ============================================================ */
.offcanvas {
  max-width: 86vw;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: var(--ink);
  color: rgba(246,250,249,0.6);
  padding: 3.5rem 0 2rem;
}
.footer-brand img { height: 30px; margin-bottom: 1rem; }
.footer-links a {
  display: block;
  word-wrap: break-word;
  font-size: 0.9rem;
  padding: 0.3rem 0;
  color: rgba(246,250,249,0.7);
  transition: color 0.2s ease;
}
.footer-links a:hover { color: var(--amber); }
.footer-bottom {
  border-top: 1px solid rgba(246,250,249,0.1);
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.8rem;
  color: rgba(246,250,249,0.4);
}

/* watermark atom icon in footer */
.footer-watermark {
  position: absolute;
  right: -40px;
  bottom: -60px;
  width: 260px;
  opacity: 0.06;
  pointer-events: none;
}
.site-footer { position: relative; overflow: hidden; }

/* ============================================================
   Scroll cue
   ============================================================ */
.scroll-cue {
  position: absolute;
  bottom: 1.6rem;
  left: 50%;
  transform: translateX(-50%);
  display: none;
}
@media (min-width: 992px) {
  .scroll-cue { display: flex; }
}
.scroll-cue { flex-direction: column; align-items: center; gap: 0.4rem; opacity: 0.55; }
.scroll-cue .line {
  width: 1px; height: 28px;
  background: var(--ink);
  overflow: hidden;
  position: relative;
}
.scroll-cue .line::after {
  content: "";
  position: absolute;
  top: -100%; left: 0; right: 0; height: 100%;
  background: var(--amber);
  animation: scroll-cue-run 1.8s ease-in-out infinite;
}
@keyframes scroll-cue-run {
  0% { top: -100%; }
  60% { top: 100%; }
  100% { top: 100%; }
}

/* responsive nudges */
@media (max-width: 991px) {
  .hero-visual { min-height: 320px; margin-top: 2.5rem; }
  .contact-info, .contact-form-side { padding: 2.4rem 1.6rem; }
}

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}