/* ────────────────────────────────────────────────
   Serendia — Landing styles
   Based on Aqua Voice design system + Serendia blue
   ──────────────────────────────────────────────── */

@font-face {
  font-family: 'Codec Pro';
  src: url('assets/fonts/CodecPro-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Codec Pro';
  src: url('assets/fonts/CodecPro-Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Aqua Voice tokens */
  --color-canvas-white: #fafbfc;
  --color-cloud-gray: #f3f7fa;
  --color-pale-ash: #f2f6fa;
  --color-porcelain-whisper: #efefef;
  --color-dark-charcoal: #292c3d;
  --color-soft-lead: #3e4150;
  --color-muted-stone: #686a76;
  --color-sky-action-blue: #67beff;
  --color-deep-link-blue: #4288ff;
  --color-near-black: #000000;
  --color-dark-card-surface: #171719;

  /* Serendia logo blues — pulled from the clover */
  --color-serendia-blue: #2ba8e0;
  --color-serendia-blue-light: #6cc8ee;
  --color-serendia-blue-deep: #1a7fb0;

  --font-display: 'Montserrat', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  --shadow-card: rgba(0, 0, 0, 0.02) 0px 0px 0px 1px,
    rgba(0, 0, 0, 0.02) 0px 1px 1px 0.5px,
    rgba(0, 0, 0, 0.02) 0px 3px 3px 1.5px,
    rgba(0, 0, 0, 0.02) 0px 6px 6px -3px,
    rgba(0, 0, 0, 0.02) 0px 12px 12px -6px,
    rgba(0, 0, 0, 0.02) 0px 24px 24px -12px;

  --shadow-card-hover: rgba(43, 168, 224, 0.04) 0px 0px 0px 1px,
    rgba(0, 0, 0, 0.04) 0px 1px 1px 0.5px,
    rgba(0, 0, 0, 0.04) 0px 3px 3px 1.5px,
    rgba(0, 0, 0, 0.04) 0px 6px 6px -3px,
    rgba(0, 0, 0, 0.05) 0px 16px 16px -8px,
    rgba(0, 0, 0, 0.06) 0px 32px 32px -16px;

  --max-w: 1240px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-canvas-white);
  color: var(--color-dark-charcoal);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
}

/* ── Typography ─────────────────────────────── */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-serendia-blue-deep);
  font-weight: 500;
}

.section-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted-stone);
  margin: 0 0 14px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--color-dark-charcoal);
  margin: 0;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(36px, 5.6vw, 72px); line-height: 1.04; font-weight: 300; }
h2 { font-size: clamp(28px, 4vw, 48px); line-height: 1.08; font-weight: 300; }
h3 { font-size: 20px; line-height: 1.25; font-weight: 500; letter-spacing: -0.01em; }

p { margin: 0; color: var(--color-soft-lead); }

.lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--color-soft-lead);
  font-weight: 400;
  text-wrap: pretty;
}

/* ── Buttons ────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 110px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.005em;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-serendia-blue);
  color: white;
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset,
    0 8px 22px -8px rgba(43, 168, 224, 0.55),
    0 2px 4px rgba(43, 168, 224, 0.18);
}
.btn-primary:hover {
  background: var(--color-serendia-blue-deep);
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.25) inset,
    0 14px 28px -10px rgba(43, 168, 224, 0.6),
    0 4px 8px rgba(43, 168, 224, 0.22);
}
.btn-ghost {
  background: transparent;
  color: var(--color-dark-charcoal);
  border: 1px solid rgba(41, 44, 61, 0.12);
}
.btn-ghost:hover {
  border-color: rgba(41, 44, 61, 0.28);
  background: rgba(255,255,255,0.6);
}
.btn-link {
  background: transparent;
  color: var(--color-serendia-blue-deep);
  padding: 0;
  height: auto;
  font-weight: 500;
}

.btn .arrow {
  display: inline-block;
  transition: transform 0.18s ease;
}
.btn:hover .arrow { transform: translateX(3px); }

/* ── Header ─────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 251, 252, 0.78);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(41, 44, 61, 0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img { height: 32px; width: auto; display: block; }
.brand .wordmark {
  font-family: 'Codec Pro', var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.005em;
  color: var(--color-dark-charcoal);
}
.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav a {
  font-size: 14px;
  color: var(--color-soft-lead);
  font-weight: 450;
  transition: color 0.15s ease;
}
.nav a:hover { color: var(--color-dark-charcoal); }
.header .btn { height: 38px; padding: 0 18px; font-size: 13px; }

@media (max-width: 820px) {
  .nav { display: none; }
}

@media (max-width: 640px) {
  .header-inner { height: 60px; }
  .brand img { height: 28px; }
  .brand .wordmark { font-size: 18px; }
  .header .btn { padding: 0 14px; font-size: 12.5px; height: 36px; }
}

/* ── Hero ───────────────────────────────────── */
.hero {
  position: relative;
  padding: 96px 0 120px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 500px at 85% 30%, rgba(108, 200, 238, 0.18), transparent 60%),
    radial-gradient(ellipse 600px 400px at 90% 80%, rgba(43, 168, 224, 0.10), transparent 60%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  align-items: center;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}
.hero-copy h1 { margin-bottom: 24px; }
.hero-copy h1 em {
  font-style: normal;
  background: linear-gradient(135deg, var(--color-serendia-blue) 0%, var(--color-deep-link-blue) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-copy .lead {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero visual — removed */

@media (max-width: 980px) {
  .hero { padding: 56px 0 64px; }
}

@media (max-width: 640px) {
  .hero { padding: 40px 0 48px; }
  .hero-copy .lead { font-size: 17px; }
}

/* Centered variant */
.hero[data-variant="centered"] .hero-inner {
  grid-template-columns: 1fr;
  text-align: center;
  max-width: 880px;
  margin: 0 auto;
}
.hero[data-variant="centered"] .hero-copy .lead { margin-left: auto; margin-right: auto; }
.hero[data-variant="centered"] .hero-cta { justify-content: center; }
.hero[data-variant="centered"] .hero-meta { justify-content: center; }
.hero[data-variant="centered"] .hero-visual { display: none; }

/* Logo-big variant */
.hero[data-variant="logo-big"] .hero-inner {
  grid-template-columns: 1fr;
  text-align: center;
}
.hero[data-variant="logo-big"] .hero-visual {
  order: -1;
  max-width: 360px;
  margin: 0 auto 24px;
  width: 100%;
}
.hero[data-variant="logo-big"] .hero-copy .lead { margin-left: auto; margin-right: auto; }
.hero[data-variant="logo-big"] .hero-cta { justify-content: center; }
.hero[data-variant="logo-big"] .hero-meta { justify-content: center; }
.hero[data-variant="logo-big"] .hero-chip { display: none; }

/* ── Section base ───────────────────────────── */
section { padding: 100px 0; }
.section-head {
  max-width: 720px;
  margin-bottom: 56px;
}
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 17px; color: var(--color-soft-lead); }

@media (max-width: 820px) {
  section { padding: 72px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head p { font-size: 15.5px; }
}
@media (max-width: 640px) {
  section { padding: 56px 0; }
}

.section-head--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ── Services ───────────────────────────────── */
.services {
  background: var(--color-cloud-gray);
  position: relative;
}

/* Grid 3+2 */
.services-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.service-card {
  grid-column: span 2;
  background: var(--color-canvas-white);
  border-radius: 16px;
  padding: 28px 26px;
  box-shadow: var(--shadow-card);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 240px;
}
.service-card:nth-child(4),
.service-card:nth-child(5) { grid-column: span 3; }
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.service-card:hover .service-icon {
  background: var(--color-serendia-blue);
  color: white;
  transform: scale(1.05);
}
.service-card:hover .service-link .arrow { transform: translateX(4px); }
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(43, 168, 224, 0.08);
  color: var(--color-serendia-blue);
  display: grid;
  place-items: center;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
}
.service-icon svg { width: 22px; height: 22px; }
.service-card h3 { margin: 0; }
.service-card p { font-size: 14.5px; flex: 1; }
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-serendia-blue-deep);
  font-size: 13px;
  font-weight: 500;
  margin-top: 4px;
}
.service-link .arrow { transition: transform 0.18s ease; }

@media (max-width: 980px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .service-card,
  .service-card:nth-child(4),
  .service-card:nth-child(5) { grid-column: span 1; }
}
@media (max-width: 600px) {
  .services-grid { grid-template-columns: 1fr; }
}

/* Services — list variant */
.services[data-layout="list"] .services-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.services[data-layout="list"] .service-card {
  flex-direction: row;
  align-items: center;
  gap: 32px;
  min-height: 0;
  padding: 32px 28px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  border-top: 1px solid rgba(41, 44, 61, 0.08);
}
.services[data-layout="list"] .service-card:last-child {
  border-bottom: 1px solid rgba(41, 44, 61, 0.08);
}
.services[data-layout="list"] .service-card:nth-child(even) {
  flex-direction: row-reverse;
  text-align: right;
}
.services[data-layout="list"] .service-card:nth-child(even) .service-icon {
  order: 2;
}
.services[data-layout="list"] .service-card:nth-child(even) .service-link {
  margin-left: auto;
}
.services[data-layout="list"] .service-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  flex-shrink: 0;
}
.services[data-layout="list"] .service-icon svg { width: 30px; height: 30px; }
.services[data-layout="list"] .service-card > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.services[data-layout="list"] .service-card:hover {
  background: rgba(255,255,255,0.5);
  transform: none;
}

/* Services — tabs variant */
.services[data-layout="tabs"] .services-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 32px;
  align-items: start;
}
.services[data-layout="tabs"] .service-tabs {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.services[data-layout="tabs"] .service-tab {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: 12px;
  cursor: pointer;
  background: transparent;
  border: none;
  text-align: left;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-soft-lead);
  transition: background 0.15s ease, color 0.15s ease;
  width: 100%;
}
.services[data-layout="tabs"] .service-tab:hover {
  background: rgba(255,255,255,0.6);
  color: var(--color-dark-charcoal);
}
.services[data-layout="tabs"] .service-tab.active {
  background: var(--color-canvas-white);
  color: var(--color-dark-charcoal);
  box-shadow: var(--shadow-card);
}
.services[data-layout="tabs"] .service-tab .tab-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: rgba(43, 168, 224, 0.08);
  color: var(--color-serendia-blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.services[data-layout="tabs"] .service-tab.active .tab-icon {
  background: var(--color-serendia-blue);
  color: white;
}
.services[data-layout="tabs"] .service-tab .tab-icon svg { width: 16px; height: 16px; }
.services[data-layout="tabs"] .service-panel {
  background: var(--color-canvas-white);
  border-radius: 20px;
  padding: 48px;
  box-shadow: var(--shadow-card);
  min-height: 360px;
}
.services[data-layout="tabs"] .service-panel .panel-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(43, 168, 224, 0.10);
  color: var(--color-serendia-blue);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}
.services[data-layout="tabs"] .service-panel .panel-icon svg { width: 28px; height: 28px; }
.services[data-layout="tabs"] .service-panel h3 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}
.services[data-layout="tabs"] .service-panel p {
  font-size: 17px;
  line-height: 1.6;
  margin-bottom: 28px;
}

/* Tabs — mobile stacked cards */
.services-tabs-mobile { display: none; }

@media (max-width: 820px) {
  .services-tabs-desktop { display: none !important; }
  .services-tabs-mobile {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .services-tabs-mobile .service-card {
    background: var(--color-canvas-white);
    border-radius: 16px;
    padding: 24px 22px;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 0;
  }
  .services-tabs-mobile .service-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(43, 168, 224, 0.08);
    color: var(--color-serendia-blue);
    display: grid;
    place-items: center;
  }
  .services-tabs-mobile .service-icon svg { width: 22px; height: 22px; }
  .services-tabs-mobile .service-card p { font-size: 14.5px; }
  .services-tabs-mobile .service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--color-serendia-blue-deep);
    font-size: 13px;
    font-weight: 500;
  }
}

@media (max-width: 820px) {
  .services[data-layout="tabs"] .services-grid.services-tabs-desktop {
    display: none;
  }
}

/* ── Process ────────────────────────────────── */
.process {
  background: var(--color-canvas-white);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-grid::before {
  content: "";
  position: absolute;
  top: 30px;
  left: 8%;
  right: 8%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(43, 168, 224, 0.3) 8%,
    rgba(43, 168, 224, 0.3) 92%,
    transparent);
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
}
.process-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--color-canvas-white);
  border: 1px solid rgba(43, 168, 224, 0.25);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-serendia-blue-deep);
  margin-bottom: 24px;
  position: relative;
  font-weight: 500;
}
.process-step .step-num::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: rgba(43, 168, 224, 0.08);
  z-index: -1;
}
.process-step h3 {
  margin-bottom: 12px;
  font-weight: 500;
  font-size: 18px;
}
.process-step p { font-size: 14.5px; }

@media (max-width: 820px) {
  .process-grid { grid-template-columns: 1fr 1fr; gap: 32px 24px; }
  .process-grid::before { display: none; }
}
@media (max-width: 520px) {
  .process-grid { grid-template-columns: 1fr; gap: 28px; }
  .process-step .step-num { width: 48px; height: 48px; margin-bottom: 16px; }
}

/* ── FAQ ────────────────────────────────────── */
.faq { background: var(--color-cloud-gray); }
.faq-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.faq-item {
  background: var(--color-canvas-white);
  border-radius: 14px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}
.faq-item:hover { box-shadow: var(--shadow-card-hover); }
.faq-item .faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 16px;
  font-weight: 500;
  color: var(--color-dark-charcoal);
  text-align: left;
  letter-spacing: -0.005em;
}
.faq-item .faq-q .faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(43, 168, 224, 0.10);
  color: var(--color-serendia-blue);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: transform 0.25s ease, background 0.2s ease, color 0.2s ease;
  font-size: 16px;
  line-height: 1;
}
.faq-item.open .faq-q .faq-icon {
  transform: rotate(45deg);
  background: var(--color-serendia-blue);
  color: white;
}
.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.faq-item.open .faq-a { max-height: 240px; }
.faq-item .faq-a-inner {
  padding: 0 24px 24px;
  font-size: 14.5px;
  color: var(--color-soft-lead);
  line-height: 1.65;
}

@media (max-width: 820px) {
  .faq-wrap { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .faq-item .faq-q { padding: 18px 18px; font-size: 15px; }
  .faq-item .faq-a-inner { padding: 0 18px 20px; }
  .faq-item.open .faq-a { max-height: 400px; }
}

/* ── CTA + Form ─────────────────────────────── */
.cta {
  background: var(--color-canvas-white);
  position: relative;
  overflow: hidden;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 700px 400px at 20% 50%, rgba(108, 200, 238, 0.12), transparent 60%),
    radial-gradient(ellipse 500px 400px at 90% 80%, rgba(43, 168, 224, 0.08), transparent 60%);
  pointer-events: none;
}
.cta-card {
  position: relative;
  background: var(--color-canvas-white);
  border-radius: 24px;
  box-shadow: var(--shadow-card-hover);
  padding: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  border: 1px solid rgba(43, 168, 224, 0.08);
}
.cta-copy h2 { margin-bottom: 16px; }
.cta-copy p { font-size: 17px; margin-bottom: 24px; }
.cta-copy .cta-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--color-muted-stone);
}
.cta-copy .cta-meta .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34c759;
  box-shadow: 0 0 0 4px rgba(52, 199, 89, 0.18);
}
.cta-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cta-form label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted-stone);
  margin-bottom: 4px;
}
.cta-form .field {
  display: flex;
  flex-direction: column;
}
.cta-form input,
.cta-form textarea {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid rgba(41, 44, 61, 0.12);
  background: var(--color-canvas-white);
  color: var(--color-dark-charcoal);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  resize: none;
  font-family: inherit;
}
.cta-form input:focus,
.cta-form textarea:focus {
  border-color: var(--color-serendia-blue);
  box-shadow: 0 0 0 4px rgba(43, 168, 224, 0.12);
}
.cta-form textarea { min-height: 110px; }
.cta-form .submit {
  margin-top: 8px;
  align-self: flex-start;
}
.form-success {
  padding: 18px 20px;
  border-radius: 12px;
  background: rgba(52, 199, 89, 0.08);
  border: 1px solid rgba(52, 199, 89, 0.2);
  color: #1f7a3a;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 820px) {
  .cta-card { grid-template-columns: 1fr; padding: 36px; gap: 36px; }
}
@media (max-width: 640px) {
  .cta-card { padding: 28px 22px; gap: 28px; border-radius: 18px; }
  .cta-copy p { font-size: 15.5px; }
}

/* ── Footer ─────────────────────────────────── */
.footer {
  background: var(--color-canvas-white);
  border-top: 1px solid rgba(41, 44, 61, 0.06);
  padding: 48px 0 36px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-brand { max-width: 320px; }
.footer-brand p {
  font-size: 13.5px;
  color: var(--color-muted-stone);
  margin-top: 12px;
}
.footer-cols {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}
.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted-stone);
  font-weight: 500;
  margin-bottom: 14px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 14px;
  color: var(--color-soft-lead);
  transition: color 0.15s ease;
}
.footer-col a:hover { color: var(--color-serendia-blue-deep); }
.footer-bottom {
  border-top: 1px solid rgba(41, 44, 61, 0.06);
  margin-top: 40px;
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 12.5px;
  color: var(--color-muted-stone);
}

@media (max-width: 640px) {
  .footer { padding: 36px 0 28px; }
  .footer-cols { gap: 28px; width: 100%; }
  .footer-col { min-width: 130px; }
  .footer-bottom { font-size: 12px; }
}

/* ── Animations on scroll ──────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }
.reveal-delay-5 { transition-delay: 0.40s; }