/* ==========================================================================
   YUBI GROUP LLC — Design System
   Deep navy, warm white, architectural gray, charcoal. Barlow Condensed + Inter.
   ========================================================================== */

:root {
  /* Color system */
  --navy-950: #060f2b;
  --navy-900: #0b1f4d;
  --navy-800: #0e2c66;
  --navy-700: #123e8a;
  --navy-600: #2955a3;
  --white: #ffffff;
  --gray-50: #f8f8f5;
  --gray-100: #eceef1;
  --gray-200: #d7dce3;
  --gray-300: #c3c8d1;
  --gray-400: #9aa1ac;
  --gray-600: #6b7280;
  --charcoal: #22252b;
  --line: #e4e6ea;
  --line-dark: rgba(255, 255, 255, 0.14);

  /* Typography */
  --font-display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  /* Spacing */
  --gutter: clamp(1.5rem, 4vw, 3rem);
  --section-y: clamp(4rem, 9vw, 8rem);
  --radius-sm: 3px;
  --radius-md: 6px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur: 0.5s;

  color-scheme: light;
}

/* ---- Reset ------------------------------------------------------------ */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

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

@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(--charcoal);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

ul,
ol {
  list-style: none;
  padding: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: 0.002em;
  text-wrap: balance;
}

/* ---- Layout ------------------------------------------------------------ */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--section-y);
}

.section-tight {
  padding-block: clamp(3rem, 6vw, 5rem);
}

section + section,
.section + footer {
  border-top: 1px solid var(--line);
}

.grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

@media (min-width: 700px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 980px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
  .grid-5 { grid-template-columns: repeat(5, 1fr); }
}

/* ---- Type kit ----------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--navy-700);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.eyebrow.on-dark {
  color: var(--gray-300);
}

.h-display {
  font-size: clamp(2.6rem, 6vw, 5.2rem);
  text-transform: uppercase;
}

.h1 {
  font-size: clamp(2.25rem, 4.6vw, 3.75rem);
  text-transform: uppercase;
}

.h2 {
  font-size: clamp(1.9rem, 3.4vw, 2.75rem);
  text-transform: uppercase;
}

.h3 {
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  text-transform: uppercase;
}

.lede {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  color: var(--gray-600);
  max-width: 46ch;
  line-height: 1.6;
}

.on-dark { color: var(--white); }
.on-dark .lede { color: var(--gray-300); }
.text-navy { color: var(--navy-900); }
.text-muted { color: var(--gray-600); }

/* ---- Buttons ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.95rem 1.8rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--navy-900);
  color: var(--white);
  border-color: var(--navy-900);
}
.btn-primary:hover { background: var(--navy-700); border-color: var(--navy-700); }

.btn-ghost {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}
.btn-ghost:hover { background: var(--navy-900); color: var(--white); }

.btn-on-dark {
  background: transparent;
  color: var(--white);
  border-color: var(--line-dark);
}
.btn-on-dark:hover { background: var(--white); color: var(--navy-900); border-color: var(--white); }

.btn-block { width: 100%; }

.btn-sm {
  padding: 0.7rem 1.2rem;
  font-size: 0.72rem;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--navy-900);
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: gap var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.link-arrow svg { width: 14px; height: 14px; transition: transform var(--dur) var(--ease); }
.link-arrow:hover { gap: 0.8rem; border-color: var(--navy-900); }
.link-arrow:hover svg { transform: translateX(2px); }

/* ---- Header -------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--dur) var(--ease);
}

.site-header.is-scrolled {
  box-shadow: 0 8px 24px -18px rgba(11, 30, 56, 0.35);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 132px;
}

.logo-link {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--navy-900);
}

.logo-horizontal { display: flex; align-items: center; }
.logo-mark {
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--navy-900);
  border-radius: 10px;
  padding: 7px;
}

.logo-horizontal img { height: 76px; width: auto; }
.logo-mark img { height: 58px; width: 58px; object-fit: contain; display: block; }

.site-nav {
  display: none;
}

.site-nav ul {
  display: flex;
  gap: 2.8rem;
}

.site-nav a {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--navy-900);
  position: relative;
  padding-block: 0.4rem;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--navy-900);
  transition: right var(--dur) var(--ease);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  right: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.header-phone {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
  color: var(--navy-900);
  white-space: nowrap;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 24px;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  height: 2px;
  width: 100%;
  background: var(--navy-900);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle span::before { transform: translateY(-7px); }
.nav-toggle span::after { transform: translateY(5px); }

.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(0) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(0) rotate(-45deg); }

.mobile-nav {
  position: fixed;
  inset: 84px 0 0 0;
  background: var(--navy-900);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
  z-index: 90;
  overflow-y: auto;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav .container {
  padding-block: 2.5rem;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 2.5rem;
}

.mobile-nav a {
  font-family: var(--font-display);
  font-size: 2.4rem;
  text-transform: uppercase;
  color: var(--white);
  display: block;
  padding-block: 0.35rem;
  border-bottom: 1px solid var(--line-dark);
}

.mobile-nav-meta {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--gray-300);
  font-size: 0.9rem;
}

.mobile-nav-meta a { color: var(--white); font-weight: 600; }

@media (min-width: 620px) {
  .header-phone { display: inline-flex; }
}

@media (min-width: 900px) {
  .logo-mark { display: none; }
  .site-nav { display: block; }
  .nav-toggle { display: none; }
}

.header-actions .btn-primary {
  padding: 1rem 2rem;
  box-shadow: 0 6px 16px -8px rgba(11, 31, 77, 0.5);
}
.header-actions .btn-primary:hover {
  box-shadow: 0 8px 20px -8px rgba(11, 31, 77, 0.6);
  transform: translateY(-1px);
}

@media (max-width: 899px) {
  .header-actions .btn-primary { display: none; }
}

@media (max-width: 460px) {
  .logo-horizontal { display: none; }
  .logo-mark { display: flex; }
}

/* ---- Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--navy-900);
  color: var(--white);
  overflow: hidden;
  padding-block: clamp(5rem, 12vw, 9rem) clamp(4rem, 9vw, 7rem);
}

.hero-blueprint {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
}

.hero-blueprint svg {
  width: 100%;
  height: 100%;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.hero h1 {
  margin-block: 1.4rem 1.6rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.4rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2.5rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-top: 2rem;
  border-top: 1px solid var(--line-dark);
}

.hero-meta-item {
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--gray-300);
  text-transform: uppercase;
}

.hero-meta-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--white);
  text-transform: none;
  letter-spacing: 0;
  margin-top: 0.2rem;
}

/* ---- Page hero (interior pages) ---------------------------------------- */
.page-hero {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 7vw, 5.5rem);
}

.page-hero .lede { margin-top: 1.2rem; }

/* ---- Cards --------------------------------------------------------------- */
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 2rem;
  background: var(--white);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.card:hover {
  border-color: var(--navy-800);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -30px rgba(11, 30, 56, 0.5);
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.service-card .icon {
  width: 46px;
  height: 46px;
  color: var(--navy-900);
}

.service-card h3 {
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.service-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  flex-grow: 1;
}

.service-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gray-400);
  letter-spacing: 0.05em;
}

/* Why choose */
.value-row {
  display: grid;
  gap: 1rem;
  grid-template-columns: auto 1fr;
  padding-block: 1.8rem;
  border-top: 1px solid var(--line);
}

.value-row:last-child { border-bottom: 1px solid var(--line); }

.value-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--gray-300);
  min-width: 3ch;
}

.value-row h3 {
  font-family: var(--font-body);
  text-transform: none;
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}

.value-row p {
  color: var(--gray-600);
  font-size: 0.95rem;
  max-width: 60ch;
}

/* Process */
.process-grid {
  counter-reset: step;
}

.process-step {
  position: relative;
  padding-top: 1.6rem;
  border-top: 2px solid var(--navy-900);
}

.process-step .step-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: var(--navy-900);
  display: block;
  margin-bottom: 0.8rem;
}

.process-step h3 {
  font-family: var(--font-body);
  text-transform: none;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.process-step p {
  color: var(--gray-600);
  font-size: 0.94rem;
}

/* Placeholder media block (used instead of unverified stock photography) */
.media-block {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, var(--navy-900), var(--navy-700));
  color: var(--white);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: 1.4rem;
}

.media-block.light {
  background: var(--gray-100);
  color: var(--navy-900);
}

.media-block svg.pattern {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.35;
}

.media-block .media-label {
  position: relative;
  z-index: 1;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  background: rgba(7, 21, 39, 0.55);
  backdrop-filter: blur(6px);
  border-radius: 999px;
}

.media-block.light .media-label {
  background: rgba(255, 255, 255, 0.75);
}

/* Project cards */
.project-card {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.project-card .project-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--gray-600);
}

.project-card h3 {
  font-family: var(--font-body);
  text-transform: none;
  font-weight: 700;
  font-size: 1.15rem;
}

.project-card .project-loc {
  color: var(--gray-600);
  font-size: 0.88rem;
}

/* Filters */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.55rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gray-600);
  transition: all var(--dur) var(--ease);
}

.filter-btn.is-active,
.filter-btn:hover {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

/* ---- CTA band ------------------------------------------------------------ */
.cta-band {
  background: var(--navy-900);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-band-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  max-width: 720px;
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 1rem;
}

/* ---- Forms --------------------------------------------------------------- */
.form-grid {
  display: grid;
  gap: 1.4rem;
}

@media (min-width: 700px) {
  .form-grid.cols-2 { grid-template-columns: 1fr 1fr; }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field.full { grid-column: 1 / -1; }

.field label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy-900);
}

.field .hint {
  font-size: 0.78rem;
  color: var(--gray-600);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  font-size: 0.96rem;
  background: var(--white);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  width: 100%;
}

.field textarea { resize: vertical; min-height: 140px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--navy-900);
  box-shadow: 0 0 0 3px rgba(11, 30, 56, 0.12);
}

.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%236b7280'%3E%3Cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.06l3.71-3.83a.75.75 0 111.08 1.04l-4.25 4.4a.75.75 0 01-1.08 0l-4.25-4.4a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 18px;
  padding-right: 2.6rem;
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.radio-pill {
  position: relative;
}

.radio-pill input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.radio-pill span {
  display: inline-flex;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: all var(--dur) var(--ease);
}

.radio-pill input:checked + span {
  background: var(--navy-900);
  border-color: var(--navy-900);
  color: var(--white);
}

.radio-pill input:focus-visible + span {
  outline: 2px solid var(--navy-900);
  outline-offset: 2px;
}

.file-drop {
  border: 1.5px dashed var(--gray-300);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  text-align: center;
  color: var(--gray-600);
  font-size: 0.88rem;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
  position: relative;
}

.file-drop.is-dragover,
.file-drop:hover {
  border-color: var(--navy-900);
  background: var(--gray-50);
}

.file-drop input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 0.8rem;
  font-size: 0.85rem;
}

.file-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0.8rem;
  background: var(--gray-50);
  border-radius: var(--radius-sm);
}

.file-list button {
  color: var(--gray-600);
  font-weight: 700;
}

.form-note {
  font-size: 0.82rem;
  color: var(--gray-600);
}

.form-success {
  display: none;
  text-align: center;
  padding: 3rem 1rem;
}

.form-success.is-visible { display: block; }
.contact-form.is-hidden { display: none; }

/* ---- Info panel (contact page sidebar) ----------------------------------- */
.info-panel {
  background: var(--navy-900);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.info-panel h3 {
  font-family: var(--font-body);
  text-transform: none;
  font-weight: 700;
  font-size: 1.1rem;
}

.info-row {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-block: 1.1rem;
  border-top: 1px solid var(--line-dark);
}

.info-row .label {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-300);
}

.info-row .value {
  font-size: 1rem;
  font-weight: 600;
}

/* ---- Footer ---------------------------------------------------------------- */
.site-footer {
  background: var(--navy-950);
  color: var(--gray-300);
  padding-block: clamp(3.5rem, 7vw, 5rem) 2rem;
}

.footer-grid {
  display: grid;
  gap: 2.8rem;
  margin-bottom: 3rem;
}

@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
}

.footer-brand { color: var(--white); }
.footer-brand img { height: 36px; width: auto; margin-bottom: 1.2rem; }

.footer-brand p {
  font-size: 0.88rem;
  color: var(--gray-400);
  max-width: 32ch;
}

.footer-col h4 {
  font-family: var(--font-body);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: 1.1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  font-size: 0.92rem;
  color: var(--gray-200);
  transition: color var(--dur) var(--ease);
}

.footer-col a:hover { color: var(--white); }

.footer-social {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.3rem;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.footer-social a:hover { background: var(--white); border-color: var(--white); }
.footer-social svg { width: 16px; height: 16px; color: var(--white); }
.footer-social a:hover svg { color: var(--navy-900); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--line-dark);
  font-size: 0.8rem;
  color: var(--gray-400);
}

.footer-bottom ul {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom a:hover { color: var(--white); }

/* ---- Reveal-on-scroll ------------------------------------------------------ */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Misc pages (privacy / terms) ------------------------------------------ */
.prose {
  max-width: 72ch;
}

.prose h2 {
  font-size: 1.4rem;
  text-transform: none;
  font-family: var(--font-body);
  font-weight: 700;
  margin-top: 2.4rem;
  margin-bottom: 0.8rem;
}

.prose h2:first-child { margin-top: 0; }

.prose p,
.prose li {
  color: var(--gray-600);
  font-size: 0.98rem;
  margin-bottom: 1rem;
}

.prose ul { list-style: disc; padding-left: 1.4rem; }
.prose ul li { margin-bottom: 0.5rem; }

/* ---- Skip link -------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy-900);
  color: var(--white);
  padding: 1rem 1.5rem;
  z-index: 999;
  font-weight: 600;
}

.skip-link:focus {
  left: var(--gutter);
  top: 1rem;
}

/* ==========================================================================
   Scroll-scrub hero — one continuous video, scrubbed by scroll position.
   Pattern: sticky full-viewport stage + overlapping chapter copy.
   ========================================================================== */
.scroll-scrub {
  --ss-progress: 0;
  position: relative;
  isolation: isolate;
  color: var(--ss-ink);
  background: var(--ss-bg);
}

.scroll-scrub__stage {
  position: sticky;
  top: 0;
  z-index: 0;
  width: 100%;
  height: 100dvh;
  overflow: hidden;
  background: var(--ss-bg);
}

.scroll-scrub__media,
.scroll-scrub__picture,
.scroll-scrub__poster,
.scroll-scrub__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.scroll-scrub__media {
  z-index: 0;
}

.scroll-scrub__poster,
.scroll-scrub__video {
  display: block;
  object-fit: cover;
  object-position: 50% 50%;
  background: var(--ss-bg);
}

.scroll-scrub__poster {
  z-index: 0;
}

.scroll-scrub__video {
  z-index: 1;
}

.scroll-scrub[data-video-painted="true"] .scroll-scrub__poster {
  visibility: hidden;
}

.scroll-scrub__scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(
    to bottom,
    rgba(7, 21, 39, 0.55) 0%,
    rgba(7, 21, 39, 0.1) 22%,
    rgba(7, 21, 39, 0.1) 60%,
    rgba(7, 21, 39, 0.75) 100%
  );
  pointer-events: none;
}

.scroll-scrub__progress {
  position: absolute;
  z-index: 5;
  top: 0;
  right: 0;
  left: 0;
  height: 2px;
  background: rgba(255, 255, 255, 0.14);
  pointer-events: none;
}

.scroll-scrub__progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--ss-accent);
  transform: scaleX(var(--ss-progress));
  transform-origin: left center;
}

.scroll-scrub__scroll-hint {
  position: absolute;
  z-index: 5;
  left: 50%;
  bottom: clamp(1.5rem, 4vw, 2.5rem);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  opacity: var(--ss-hint-opacity, 1);
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.scroll-scrub__scroll-hint::after {
  content: "";
  width: 1px;
  height: 34px;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.9), transparent);
  animation: ss-hint-move 1.8s ease-in-out infinite;
}

@keyframes ss-hint-move {
  0% { transform: translateY(-6px); opacity: 0.2; }
  50% { transform: translateY(6px); opacity: 1; }
  100% { transform: translateY(-6px); opacity: 0.2; }
}

.scroll-scrub__story {
  position: relative;
  z-index: 3;
  margin-top: -100dvh;
  pointer-events: none;
}

.scroll-scrub__chapter {
  position: relative;
}

.scroll-scrub__chapter-pin {
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  min-height: 100dvh;
  padding: clamp(5rem, 9vw, 8rem) clamp(1.25rem, 6vw, 6rem);
  pointer-events: none;
}

.scroll-scrub__chapter[data-align="right"] .scroll-scrub__chapter-pin {
  justify-content: flex-end;
  text-align: right;
}

.scroll-scrub__chapter[data-align="center"] .scroll-scrub__chapter-pin {
  justify-content: center;
  text-align: center;
}

.scroll-scrub__copy {
  position: relative;
  width: min(34rem, 90vw);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  pointer-events: auto;
}

.scroll-scrub__chapter[data-in-view="true"] .scroll-scrub__copy {
  opacity: 1;
  transform: translateY(0);
}

.scroll-scrub__kicker {
  max-width: 30ch;
  margin: 0 0 1rem;
  color: var(--ss-accent);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.scroll-scrub__title {
  max-width: 12ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 7vw, 5.5rem);
  line-height: 0.95;
  text-transform: uppercase;
  text-wrap: balance;
}

.scroll-scrub__chapter[data-align="center"] .scroll-scrub__title,
.scroll-scrub__chapter[data-align="center"] .scroll-scrub__body {
  margin-inline: auto;
}

.scroll-scrub__body {
  max-width: 38ch;
  margin: 1.2rem 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  line-height: 1.6;
}

.scroll-scrub__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.scroll-scrub__chapter[data-align="center"] .scroll-scrub__actions {
  justify-content: center;
}

@media (max-width: 720px) {
  .scroll-scrub__chapter-pin {
    padding: 6.5rem 1.25rem calc(4rem + env(safe-area-inset-bottom));
  }

  .scroll-scrub__copy {
    width: 100%;
  }

  .scroll-scrub__title {
    max-width: 10ch;
    font-size: clamp(2.3rem, 11vw, 3.75rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scroll-scrub__chapter-pin {
    position: relative;
    min-height: 60vh;
  }

  .scroll-scrub__copy {
    opacity: 1;
    transform: none;
  }

  .scroll-scrub__progress span,
  .scroll-scrub__scroll-hint {
    display: none;
  }
}