/* ============================================================
   Meridian — styles.css
   Design contract: DESIGN.md (Framer-derived dark contract)
   ============================================================ */

:root {
  --canvas: #090909;
  --surface-1: #141414;
  --surface-2: #1c1c1c;
  --hairline: #262626;
  --hairline-soft: #1a1a1a;
  --ink: #ffffff;
  --ink-muted: #999999;
  --accent: #0099ff;
  --accent-ring: rgba(0, 153, 255, 0.35);
  --success: #22c55e;
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --radius-card: 20px;
  --radius-pill: 999px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --max-w: 1200px;
}

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

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

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

section, footer { contain: layout; }
.marquee { contain: layout; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 780px; }

::selection { background: var(--accent); color: #000; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Typography helpers ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  margin-bottom: 20px;
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 24px;
}

.section-sub {
  color: var(--ink-muted);
  font-size: 1.1rem;
  max-width: 640px;
  margin-bottom: 48px;
}

.accent-text {
  color: var(--accent);
  background: linear-gradient(100deg, var(--accent) 20%, #7ec8ff 40%, var(--accent) 60%);
  background-size: 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShine 5s linear infinite;
}
@keyframes textShine {
  from { background-position: 110% 0; }
  to { background-position: -110% 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 12px 26px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), background 0.25s, border-color 0.25s;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--ink);
  color: #000;
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: "";
  position: absolute;
  top: 0; left: -90%;
  width: 45%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(0, 153, 255, 0.4), transparent);
  transform: skewX(-20deg);
  animation: shimmer 3.4s var(--ease-out) infinite;
  pointer-events: none;
}
@keyframes shimmer {
  0% { left: -90%; }
  55%, 100% { left: 190%; }
}
.btn-primary:hover { background: #e8e8e8; transform: translateY(-1px); }

.btn-secondary {
  background: var(--surface-1);
  color: var(--ink);
  border-color: var(--hairline);
}
.btn-secondary:hover { background: var(--surface-2); transform: translateY(-1px); }

.btn-block { width: 100%; margin-top: 24px; }
.btn-nav { min-height: 38px; padding: 8px 18px; font-size: 0.85rem; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(9, 9, 9, 0.85);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
.nav.scrolled { border-bottom-color: var(--hairline-soft); }

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  position: relative;
  flex: none;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.brand-word { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; }

.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) {
  font-size: 0.9rem;
  color: var(--ink-muted);
  transition: color 0.2s;
}
.nav-links a:not(.btn):hover { color: var(--ink); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 180px 0 80px;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -20%; left: 50%;
  transform: translateX(-50%);
  width: 900px; height: 500px;
  background: radial-gradient(closest-side, rgba(0, 153, 255, 0.08), transparent);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; }

.hero-title {
  font-size: clamp(2.6rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.045em;
  margin-bottom: 28px;
}

.hero-sub {
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  max-width: 620px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.hero-micro {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}

.hero-visual { margin-top: 72px; position: relative; }
/* Outer glow pulse — opacity-only on a cheap radial gradient (composable, zero repaints).
   Replaces the old animated box-shadow, which forced a full 160px-blur repaint every frame. */
.hero-visual::before {
  content: "";
  position: absolute;
  inset: -10% -6%;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(50% 60% at 50% 50%, rgba(0, 153, 255, 0.16), transparent 70%);
  animation: heroGlowPulse 6s ease-in-out infinite;
}
@keyframes heroGlowPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}
.hero-frame {
  position: relative;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow:
    0 0 0 0.5px rgba(255, 255, 255, 0.06) inset,
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 120px rgba(0, 153, 255, 0.10);
}
.hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(105deg, transparent 42%, rgba(160, 210, 255, 0.10) 50%, rgba(160, 210, 255, 0.16) 52%, rgba(160, 210, 255, 0.10) 54%, transparent 62%);
  transform: translateX(-120%);
  animation: heroSweep 7s var(--ease-out) infinite;
}
@keyframes heroSweep {
  0% { transform: translateX(-120%); }
  55%, 100% { transform: translateX(120%); }
}
.hero-frame img,
.hero-frame video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  animation: kenburns 16s ease-in-out infinite alternate;
}
@keyframes kenburns {
  from { transform: scale(1.04) translate(0, 0); }
  to { transform: scale(1.18) translate(-2.5%, -3%); }
}

/* ---------- Traveling beam (light running down the divider line) ---------- */
.beam {
  position: relative;
  height: 1px;
  background: var(--hairline-soft);
  overflow: hidden;
}
.beam::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 28%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: beamTravel 4.5s linear infinite;
}
@keyframes beamTravel {
  from { transform: translateX(-110%); }
  to { transform: translateX(460%); }
}

/* ---------- Marquee ---------- */
.marquee {
  border-top: 1px solid var(--hairline-soft);
  border-bottom: 1px solid var(--hairline-soft);
  padding: 18px 0;
  overflow: hidden;
  white-space: nowrap;
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  animation: marquee 28s linear infinite;
}
.marquee-track span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-muted);
}
.marquee-track i { color: var(--accent); font-style: normal; }
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Sections ---------- */
.section { padding: 96px 0; }

/* ---------- Cards & grids ---------- */
.grid { display: grid; gap: 20px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  position: relative;
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 28px;
  transition: transform 0.35s var(--ease-out), border-color 0.35s, background 0.35s;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), rgba(0, 153, 255, 0.08), transparent 65%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; }
.card:hover {
  transform: translateY(-4px);
  border-color: #333;
  background: #161616;
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 12px;
}
.card p { color: var(--ink-muted); font-size: 0.95rem; }

/* ---------- Pillars ---------- */
.pillar-img {
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid var(--hairline);
  aspect-ratio: 1 / 1;
}
.pillar-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  animation: drift 14s ease-in-out infinite alternate;
}
.pillar:hover .pillar-img img { animation-play-state: paused; transform: scale(1.06); transition: transform 0.6s var(--ease-out); }
@keyframes drift {
  from { transform: scale(1.03) translate(0, 0); }
  to { transform: scale(1.13) translate(3%, 3.5%); }
}

/* floating for the Pulse visual */
.split-visual img {
  animation: floatY 7s ease-in-out infinite;
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.pillar-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 18px;
}
.pillar ul { display: grid; gap: 10px; }
.pillar li {
  color: var(--ink-muted);
  font-size: 0.92rem;
  padding-left: 18px;
  position: relative;
}
.pillar li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Split (system) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-visual {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5), 0 0 100px rgba(0, 153, 255, 0.07);
}
.split-visual img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

.check-list { display: grid; gap: 14px; }
.check-list li {
  padding-left: 30px;
  position: relative;
  color: var(--ink-muted);
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Steps & stats ---------- */
.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}

.stats-band {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 36px 28px;
  background: var(--surface-1);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.03em;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Pricing ---------- */
.price-card { display: flex; flex-direction: column; position: relative; }
.price-card.featured {
  background: var(--surface-2);
  border-color: var(--accent-ring);
  box-shadow: 0 0 60px rgba(0, 153, 255, 0.08);
}
.featured-badge {
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
}
.price { margin: 12px 0 4px; }
.price-num {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -0.04em;
}
.price-per { color: var(--ink-muted); font-size: 1rem; }
.price-tag { color: var(--ink-muted); font-size: 0.9rem; margin-bottom: 24px; min-height: 2.6em; }
.price-card ul { display: grid; gap: 10px; margin-bottom: 8px; flex: 1; }
.price-card li {
  color: var(--ink-muted);
  font-size: 0.92rem;
  padding-left: 24px;
  position: relative;
}
.price-card li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--success);
  font-size: 0.85rem;
}
.price-card li strong { color: var(--ink); }

.pricing-note {
  margin-top: 32px;
  color: var(--ink-muted);
  font-size: 0.85rem;
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Guarantee ---------- */
.guarantee-card { padding: 40px; }
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.guarantee-grid .guarantee-h {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 10px;
}
.guarantee-grid p { color: var(--ink-muted); font-size: 0.95rem; }
.guarantee-grid em { color: var(--ink); font-style: normal; font-weight: 600; }
.guarantee-scope {
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
  color: var(--ink-muted);
  font-size: 0.9rem;
}
.guarantee-scope strong { color: var(--ink); }

/* ---------- Comparison ---------- */
.compare-table {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.compare-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  align-items: stretch;
  border-bottom: 1px solid var(--hairline-soft);
  font-size: 0.95rem;
}
.compare-row:last-child { border-bottom: 0; }
.compare-row > div { padding: 16px 20px; display: flex; align-items: center; }
.compare-row:not(.compare-head) > div:first-child { color: var(--ink-muted); }
.compare-head {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.compare-us {
  background: var(--surface-2);
  color: var(--ink);
  font-weight: 600;
  border-left: 1px solid var(--hairline);
  border-right: 1px solid var(--hairline);
}
.compare-head .compare-us { color: var(--accent); }
.yes { color: var(--success); font-weight: 700; margin-right: 6px; }
.no { color: var(--ink-muted); font-weight: 700; margin-right: 6px; }

/* ---------- Proof ---------- */
.proof-card {
  text-align: center;
  padding: 64px 40px;
  border-style: dashed;
  background: transparent;
}
.proof-card:hover { background: transparent; }
.proof-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}
.proof-card p:not(.eyebrow) { color: var(--ink-muted); max-width: 560px; margin: 0 auto; }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: 14px;
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-icon {
  flex: none;
  width: 14px; height: 14px;
  position: relative;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--accent);
  transition: transform 0.3s var(--ease-out);
}
.faq-icon::before { left: 0; top: 6px; width: 14px; height: 2px; }
.faq-icon::after { left: 6px; top: 0; width: 2px; height: 14px; }
.faq-item[open] .faq-icon::after { transform: scaleY(0); }
.faq-item p {
  padding: 0 24px 22px;
  color: var(--ink-muted);
  font-size: 0.95rem;
  max-width: 640px;
}

/* ---------- CTA ---------- */
.cta-section { padding-bottom: 128px; }
.cta-title {
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  text-align: center;
  margin-bottom: 24px;
}
.cta-section .section-sub { text-align: center; margin-left: auto; margin-right: auto; }

.cta-form {
  background: var(--surface-1);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-card);
  padding: 36px;
  display: grid;
  gap: 18px;
}
.form-row { display: grid; gap: 8px; }
.form-row label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.optional { color: var(--ink-muted); font-weight: 400; }
.form-row input, .form-row select {
  background: var(--canvas);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
}
.form-row select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
}
.form-row input::placeholder { color: #7a7a7a; }
.form-row input.invalid, .form-row select.invalid { border-color: #ef4444; }
.form-row input.invalid:focus { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15); }
.form-row input:focus, .form-row select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 153, 255, 0.15);
}
.form-note {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}
.form-note.success { color: var(--success); }
.form-legal a { color: var(--accent); text-decoration: underline; }
.btn[disabled] { opacity: 0.65; cursor: wait; }

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--hairline-soft);
  padding: 64px 0 32px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p { color: var(--ink-muted); font-size: 0.9rem; margin-top: 16px; }
.footer-col .footer-h {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--ink-muted);
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--ink); }
.footer-muted { color: #8a8a8a; font-size: 0.82rem; }
.footer-base {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 24px;
  border-top: 1px solid var(--hairline-soft);
  font-size: 0.82rem;
  color: var(--ink-muted);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 300;
  background: var(--ink);
  color: #000;
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 600;
  transition: top 0.25s var(--ease-out);
}
.skip-link:focus-visible { top: 12px; }

/* ---------- Scroll progress ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--accent);
  z-index: 200;
  pointer-events: none;
}

/* ---------- Reveal animation (only when JS is active; content visible by default) ---------- */
.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.js .reveal.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  /* 3-item grids: let the orphan card span and center instead of stranding half-width */
  .grid-3 > :last-child:nth-child(odd) { grid-column: 1 / -1; max-width: calc(50% - 10px); justify-self: center; width: 100%; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 560px; margin: 0 auto; padding-top: 14px; }
  .pricing-grid > :last-child:nth-child(odd) { max-width: none; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .section { padding: 64px 0; }
  .hero { padding-top: 140px; }

  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(9, 9, 9, 0.97);
    border-bottom: 1px solid var(--hairline);
    padding: 12px 24px 24px;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s var(--ease-out), visibility 0.25s;
  }
  .nav-links.open { opacity: 1; transform: none; visibility: visible; pointer-events: auto; }
  .nav-links a:not(.btn) { padding: 14px 0; font-size: 1rem; border-bottom: 1px solid var(--hairline-soft); }
  .btn-nav { margin-top: 16px; }

  .guarantee-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .compare-row { font-size: 0.875rem; }
}

@media (max-width: 640px) {
  .compare-row > div { padding: 12px 12px; }
  .compare-head { letter-spacing: 0.06em; }
}

@media (max-width: 480px) {
  .grid-4, .grid-3 { grid-template-columns: 1fr; }
  .grid-3 > :last-child:nth-child(odd) { max-width: none; }
  .stats-band { grid-template-columns: repeat(2, 1fr); padding: 24px 16px; }
  .hero-title { font-size: 2.15rem; }
  .hero-actions .btn { width: 100%; }
  /* comparison: feature header row, two value columns beneath */
  .compare-row { grid-template-columns: 1fr 1fr; }
  .compare-row > div { padding: 10px 14px; }
  .compare-row > div:first-child {
    grid-column: 1 / -1;
    background: var(--surface-1);
    font-weight: 600;
    color: var(--ink) !important;
    border-bottom: 1px solid var(--hairline-soft);
  }
  .compare-head > div:first-child { background: none; border-bottom: 0; }
  .compare-us { border-left: 0; }
  .cta-form { padding: 24px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-base { flex-direction: column; }
}

/* ---------- Legal page ---------- */
.legal h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 48px 0 16px;
}
.legal p { color: var(--ink-muted); margin-bottom: 14px; max-width: 68ch; }
.legal p strong { color: var(--ink); }
.legal a { color: var(--accent); }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .btn-primary::after { animation: none; display: none; }
  .hero-frame, .hero-frame img, .hero-frame::after, .hero-visual::before, .pillar-img img, .split-visual img,
  .accent-text, .beam::after { animation: none; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}