/* ============================================================
   SNS ANALYTICS — Design System
   Display: Space Grotesk | Body: Inter | Data/Labels: JetBrains Mono
   ============================================================ */

:root {
  /* Brand palette — drawn directly from the SNS Analytics mark */
  --gold: #c19214;
  --gold-light: #e3b23c;
  --gold-pale: #f4e6bf;
  --bronze: #8d754f;
  --ink: #121009;
  --ink-2: #1c1810;
  --ink-3: #2a2417;
  --cream: #faf7f0;
  --paper: #ffffff;
  --line: #e7e0d1;
  --text: #2a2517;
  --text-dim: #6b6252;
  --text-on-ink: #f3ede0;
  --text-on-ink-dim: #b3a890;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --container: 1240px;
  --radius: 4px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 5vw, 4.4rem); }
h2 { font-size: clamp(2rem, 3.4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.6rem); }

p { color: var(--text-dim); }

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

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

/* ---------- Eyebrow / signal label ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 3px rgba(193,146,20,0.18);
  animation: pulse-dot 2.4s ease-in-out infinite;
}
.eyebrow.on-ink { color: var(--gold-light); }

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(193,146,20,0.18); }
  50% { box-shadow: 0 0 0 6px rgba(193,146,20,0.06); }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 15px 28px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-on-ink);
  border-color: rgba(243,237,224,0.28);
}
.btn-ghost:hover {
  border-color: var(--gold-light);
  color: var(--gold-light);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-outline:hover {
  background: var(--ink);
  color: var(--text-on-ink);
}
.btn svg { width: 15px; height: 15px; transition: transform 0.3s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  padding: 18px 0;
  background: rgba(18,16,9,0.0);
  transition: background 0.35s var(--ease), padding 0.35s var(--ease), box-shadow .35s var(--ease);
}
.site-header.scrolled {
  background: rgba(18,16,9,0.92);
  
  padding: 12px 0;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 42px; width: auto; }
.brand-word {
  font-family: var(--font-display);
  color: var(--text-on-ink);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  line-height: 1.2;
}
.brand-word b { display:block; font-size: 1.05rem; color: var(--gold-light); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.nav-links a {
  color: var(--text-on-ink-dim);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--gold-light);
  transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--text-on-ink); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 18px; }
.header-phone {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-on-ink-dim);
}
.header-phone svg { width: 15px; height: 15px; color: var(--gold-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  z-index: 600;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--text-on-ink); transition: all 0.3s var(--ease); }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav overlay — hidden by default, only enabled at the mobile breakpoint below */
.mobile-nav { display: none; }

/* ---------- Signal arc motif (signature element) ---------- */
.signal-motif {
  position: absolute;
  pointer-events: none;
  opacity: 0.9;
}
.signal-motif circle.arc {
  fill: none;
  stroke: var(--gold);
  stroke-width: 1.4;
  opacity: 0.35;
}
.signal-motif circle.node { fill: var(--gold); }
.signal-motif .ring-anim {
  transform-origin: center;
  animation: ring-expand 4.5s var(--ease) infinite;
}
.signal-motif .ring-anim.d2 { animation-delay: 1.1s; }
.signal-motif .ring-anim.d3 { animation-delay: 2.2s; }
@keyframes ring-expand {
  0% { opacity: 0.55; stroke-width: 1.6; }
  70% { opacity: 0; }
  100% { opacity: 0; }
}

/* ---------- Section rhythm ---------- */
.section { padding: 120px 0; position: relative; }
.section-tight { padding: 90px 0; }
.section-ink { background: var(--ink); color: var(--text-on-ink); }
.section-ink p { color: var(--text-on-ink-dim); }
.section-ink h2, .section-ink h3 { color: var(--text-on-ink); }
.section-paper { background: var(--paper); }

.section-head {
  max-width: 640px;
  margin-bottom: 64px;
}
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 18px; font-size: 1.05rem; }

/* dotted data-field background */
.dot-field {
  position: absolute; inset: 0;
  background-image: radial-gradient(var(--line) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.6;
  pointer-events: none;
}
.section-ink .dot-field {
  background-image: radial-gradient(rgba(243,237,224,0.08) 1px, transparent 1px);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 210px 0 140px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 900px 600px at 85% 10%, rgba(193,146,20,0.14), transparent 60%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero h1 { margin-bottom: 26px; }
.hero h1 .accent { color: var(--gold-light); font-style: normal; }
.hero-lede { font-size: 1.15rem; max-width: 520px; margin-bottom: 40px; }
.hero-cta { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 60px; }

.hero-stats {
  display: flex;
  gap: 44px;
  flex-wrap: wrap;
}
.hero-stat .num {
  font-family: var(--font-mono);
  font-size: 2rem;
  color: var(--gold-light);
  line-height: 1;
}
.hero-stat .label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-on-ink-dim);
  margin-top: 8px;
}

.hero-visual {
  position: relative;
  height: 460px;
}

/* Page hero (interior pages) */
.page-hero {
  position: relative;
  background: var(--ink);
  color: var(--text-on-ink);
  padding: 190px 0 90px;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 700px 500px at 90% 0%, rgba(193,146,20,0.16), transparent 60%);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero-tag { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.1em; color: var(--text-on-ink-dim); text-transform: uppercase; margin-top: 20px;}
.page-hero-tag a { color: var(--gold-light); }
.page-hero-tag span { margin: 0 8px; opacity: 0.5; }
.page-hero p.lede { max-width: 620px; font-size: 1.08rem; margin-top: 20px; }

/* ---------- Cards ---------- */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 32px;
  position: relative;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color .35s;
}
.card:hover {
  transform: translateY(-6px);
  border-color: var(--gold);
  box-shadow: 0 24px 48px rgba(18,16,9,0.08);
}
.card-icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--gold-pale);
  color: var(--gold);
  margin-bottom: 26px;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 12px; }
.card p { font-size: 0.95rem; }
.card-index {
  position: absolute; top: 30px; right: 32px;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-dim); opacity: 0.5;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ---------- Service row (services page) ---------- */
.service-row {
  display: grid;
  grid-template-columns: 90px 1fr 320px;
  gap: 40px;
  align-items: start;
  padding: 46px 0;
  border-top: 1px solid var(--line);
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-row .idx { font-family: var(--font-mono); color: var(--gold); font-size: 1rem; padding-top: 6px; }
.service-row h3 { margin-bottom: 14px; }
.service-row .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tag {
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 20px; color: var(--text-dim);
}

/* ---------- Process / numbered timeline (real sequence) ---------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.process::before {
  content: '';
  position: absolute; top: 26px; left: 0; right: 0; height: 1px;
  background: var(--line);
}
.process-step { position: relative; padding-right: 30px; }
.process-step .step-dot {
  width: 52px; height: 52px; border-radius: 50%;
  background: var(--paper); border: 1px solid var(--gold);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); color: var(--gold); margin-bottom: 24px;
  position: relative; z-index: 1;
}

/* ---------- Logos / clients strip ---------- */
.strip {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 30px;
  padding: 30px 0;
}
.strip span {
  font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.06em; color: var(--text-dim); text-transform: uppercase;
}

/* ---------- Testimonial ---------- */
.quote-block {
  border-left: 2px solid var(--gold);
  padding-left: 36px;
  max-width: 760px;
}
.quote-block p.quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 22px;
}
.section-ink .quote-block p.quote { color: var(--text-on-ink); }
.quote-attr { font-family: var(--font-mono); font-size: 0.8rem; color: var(--gold); }
.quote-attr span { color: var(--text-dim); }
.section-ink .quote-attr span { color: var(--text-on-ink-dim); }

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--gold);
  color: var(--ink);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; position: relative; z-index: 1;}
.cta-band h2 { color: var(--ink); font-size: clamp(1.7rem, 3vw, 2.4rem); }
.cta-band .btn-outline { border-color: var(--ink); }
.cta-band .btn-outline:hover { background: var(--ink); color: var(--gold-light); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: var(--text-on-ink-dim);
  padding: 80px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(243,237,224,0.1);
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.footer-brand img { height: 40px; }
.footer-brand b { color: var(--text-on-ink); font-family: var(--font-display); font-size: 1.05rem; }
.footer-col h4 {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--gold-light); margin-bottom: 20px; font-weight: 500;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.92rem; transition: color 0.25s; }
.footer-col a:hover { color: var(--gold-light); }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; line-height: 1.5; }
.footer-contact svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 26px 0; font-family: var(--font-mono); font-size: 0.75rem; flex-wrap: wrap; gap: 12px;
}
.footer-bottom a:hover { color: var(--gold-light); }
.social-row { display: flex; gap: 14px; }
.social-row a {
  width: 34px; height: 34px; border: 1px solid rgba(243,237,224,0.18); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; transition: all 0.25s;
}
.social-row a:hover { border-color: var(--gold-light); color: var(--gold-light); }
.social-row svg { width: 15px; height: 15px; }

/* ---------- Blog cards ---------- */
.blog-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform 0.35s var(--ease), box-shadow .35s; }
.blog-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px rgba(18,16,9,0.08); }
.blog-thumb { height: 200px; position: relative; overflow: hidden; background: var(--ink); }
.blog-thumb .dot-field { opacity: 0.5; }
.blog-thumb-inner { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; }
.blog-body { padding: 28px; }
.blog-meta { font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gold); display: flex; gap: 14px; margin-bottom: 14px; }
.blog-body h3 { margin-bottom: 12px; font-size: 1.2rem; }
.blog-body p { font-size: 0.9rem; margin-bottom: 18px; }
.read-more { font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; color: var(--ink); display: inline-flex; align-items: center; gap: 8px; }
.read-more svg { width: 13px; height: 13px; transition: transform 0.3s var(--ease); }
.blog-card:hover .read-more svg { transform: translateX(4px); }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 22px; }
.form-field label {
  display: block; font-family: var(--font-mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.06em; color: var(--text-dim); margin-bottom: 10px;
}
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper); font-family: var(--font-body); font-size: 0.95rem; color: var(--text);
  transition: border-color 0.25s;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  outline: none; border-color: var(--gold);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* Honeypot — invisible to real visitors, catches basic bots */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* Form notices */
.form-notice {
  padding: 18px 20px;
  border-radius: var(--radius);
  margin-bottom: 26px;
  font-size: 0.92rem;
}
.form-notice strong { display: block; margin-bottom: 4px; font-family: var(--font-display); }
.form-notice ul { margin: 8px 0 0 18px; }
.form-notice-success {
  background: rgba(193,146,20,0.1);
  border: 1px solid var(--gold);
  color: var(--text);
}
.form-notice-error {
  background: rgba(178,52,40,0.08);
  border: 1px solid #b23428;
  color: #7a241a;
}

/* ---------- Industries grid ---------- */
.industry-card {
  background: var(--ink); color: var(--text-on-ink);
  border-radius: var(--radius); padding: 40px 32px; position: relative; overflow: hidden;
  min-height: 260px; display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform 0.35s var(--ease);
}
.industry-card:hover { transform: translateY(-6px); }
.industry-card .num { position: absolute; top: 28px; right: 32px; font-family: var(--font-mono); color: var(--gold-light); opacity: 0.6; }
.industry-card h3 { color: var(--text-on-ink); margin-bottom: 10px; }
.industry-card p { color: var(--text-on-ink-dim); font-size: 0.9rem; }

/* ---------- Reveal on scroll (with gentle stagger inside grids) ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: translateY(0); }

.grid-3 .reveal:nth-child(1), .grid-4 .reveal:nth-child(1), .process .reveal:nth-child(1) { transition-delay: 0s; }
.grid-3 .reveal:nth-child(2), .grid-4 .reveal:nth-child(2), .process .reveal:nth-child(2) { transition-delay: 0.12s; }
.grid-3 .reveal:nth-child(3), .grid-4 .reveal:nth-child(3), .process .reveal:nth-child(3) { transition-delay: 0.24s; }
.grid-4 .reveal:nth-child(4), .process .reveal:nth-child(4) { transition-delay: 0.36s; }

/* ---------- Hero entrance ---------- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(22px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeScaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}
.hero-anim { opacity: 0; animation: fadeUp 0.9s var(--ease) forwards; }
.hero-anim.d1 { animation-delay: 0.05s; }
.hero-anim.d2 { animation-delay: 0.2s; }
.hero-anim.d3 { animation-delay: 0.35s; }
.hero-anim.d4 { animation-delay: 0.5s; }
.hero-anim.d5 { animation-delay: 0.65s; }
.hero-visual.hero-anim { animation-name: fadeScaleIn; animation-delay: 0.3s; }

@media (prefers-reduced-motion: reduce) {
  .hero-anim { opacity: 1; animation: none; }
}

/* Slow orbiting rotation for the hero signal-motif nodes */
.signal-motif .orbit {
  transform-origin: center;
  animation: orbit-rotate 40s linear infinite;
}
@keyframes orbit-rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@media (prefers-reduced-motion: reduce) {
  .signal-motif .orbit, .signal-motif .ring-anim { animation: none; }
}

/* Subtle shimmer sweep on the primary button */
.btn-primary { position: relative; overflow: hidden; }
.btn-primary::after {
  content: '';
  position: absolute; top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.45), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s var(--ease);
}
.btn-primary:hover::after { left: 130%; }

/* ---------- Breadcrumb helper ---------- */
.map-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; height: 360px; }
.map-wrap iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.3) contrast(1.05); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); gap: 40px; }
  .process::before { display: none; }
}

@media (max-width: 940px) {
  .nav-links, .header-phone { display: none; }
  .nav-toggle { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { height: 300px; order: -1; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .service-row { grid-template-columns: 60px 1fr; }
  .service-row .visual-col { display: none; }
  .form-row { grid-template-columns: 1fr; }

  .mobile-nav {
    display: flex;
    position: fixed; inset: 0; background: var(--ink); z-index: 400;
    flex-direction: column; justify-content: center; align-items: center; gap: 30px;
    transform: translateY(-100%); transition: transform 0.45s var(--ease);
    pointer-events: none;
  }
  .mobile-nav.open { pointer-events: auto; }
  .mobile-nav.open { transform: translateY(0); }
  .mobile-nav a { font-family: var(--font-display); font-size: 1.8rem; color: var(--text-on-ink); }
}

@media (max-width: 640px) {
  .container { padding: 0 20px; }
  .section { padding: 80px 0; }
  .hero { padding: 170px 0 90px; }
  .page-hero { padding: 150px 0 70px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cta-band .container { flex-direction: column; align-items: flex-start; }
  .hero-stats { gap: 28px; }
}