/* ═══════════════════════════════════════════════════════════
   ETEMEN — Design System v6 "Etemenanki / Fundamento"
   Inspiración: Ziggurat, precisión arquitectónica, cobre y obsidiana.
   Sin plantillas genéricas de IA. Artesanal y sólido.
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Paleta Oficial ETEMEN (BRAND.md) */
  --obsidian: #07090e;
  --bg-dark: #090c14;
  --bg-navy: #0e1424;
  --surface: #121826;
  --surface-raised: #182236;
  --surface-hover: #1e2a42;

  --copper: #c4894a;
  --copper-light: #d9a870;
  --copper-dark: #8a5a29;
  --copper-soft: rgba(196, 137, 74, 0.12);
  --copper-glow: rgba(196, 137, 74, 0.25);

  --cream: #f3eee6;
  --cream-soft: rgba(243, 238, 230, 0.7);

  --text-primary: #f3eee6;
  --text-muted: rgba(243, 238, 230, 0.65);
  --text-dim: rgba(243, 238, 230, 0.45);

  --line: rgba(196, 137, 74, 0.16);
  --line-strong: rgba(196, 137, 74, 0.35);
  --line-dim: rgba(255, 255, 255, 0.07);

  --nexo: #00c9a7;
  --nexo-soft: rgba(0, 201, 167, 0.12);
  --indago: #8b7cf7;
  --indago-soft: rgba(139, 124, 247, 0.12);

  --font-body: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Syne", "Plus Jakarta Sans", system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "Roboto Mono", Menlo, Monaco, monospace;

  --max-width: 1040px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  background-color: var(--obsidian);
  color-scheme: dark;
}

body {
  overflow-x: hidden;
  font-family: var(--font-body);
  background-color: var(--obsidian);
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(27, 42, 74, 0.4) 0%, transparent 75%),
    linear-gradient(to bottom, rgba(7, 9, 14, 0.96), #07090e);
  color: var(--text-primary);
  line-height: 1.65;
  font-size: 16px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
}

/* Retícula arquitectónica de fondo */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(196, 137, 74, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(196, 137, 74, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: -1;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

ul {
  list-style: none;
}

strong {
  font-weight: 700;
  color: var(--text-primary);
}

.wrap {
  width: min(100% - 48px, var(--max-width));
  margin-inline: auto;
}

/* ── Typography & Architectural Headings ── */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  color: #ffffff;
}

h1 {
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.6);
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 12px;
  position: relative;
}

h3 {
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.lead {
  font-size: 1.08rem;
  color: var(--text-muted);
  max-width: 38em;
  line-height: 1.7;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--copper);
  transform: rotate(45deg);
}

.eyebrow.nexo { color: var(--nexo); }
.eyebrow.nexo::before { background: var(--nexo); }
.eyebrow.indago { color: var(--indago); }
.eyebrow.indago::before { background: var(--indago); }

/* ── Architectural Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.25s var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--copper), #a87239);
  color: #07090e;
  border: 1px solid var(--copper-light);
  box-shadow: 0 4px 20px rgba(196, 137, 74, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(196, 137, 74, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  color: #000000;
}

.btn-ghost {
  background: rgba(18, 24, 38, 0.8);
  color: var(--text-primary);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: var(--surface-raised);
  border-color: var(--copper);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-nexo {
  background: linear-gradient(135deg, var(--nexo), #009980);
  color: #051410;
  border: 1px solid rgba(0, 201, 167, 0.5);
  box-shadow: 0 4px 20px rgba(0, 201, 167, 0.2);
}

.btn-nexo:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 201, 167, 0.35);
  color: #000;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.84rem;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

/* ── Navigation bar ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 9, 14, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--line);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  filter: drop-shadow(0 2px 8px rgba(196, 137, 74, 0.3));
}

.logo-wordmark .name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: #ffffff;
  display: block;
  line-height: 1;
}

.logo-wordmark .tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  display: block;
  margin-top: 3px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active {
  color: #ffffff;
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--copper);
  border-radius: 2px;
}

.nav-cta {
  padding: 8px 18px !important;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--copper-light) !important;
  font-family: var(--font-mono);
  font-size: 0.8rem !important;
}

.nav-cta:hover {
  border-color: var(--copper);
  background: var(--surface-raised);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.2s, opacity 0.2s;
}

/* ── Hero Section ── */
.hero {
  padding: 80px 0 60px;
  position: relative;
}

/* Panel de Telemetría de producción (reemplaza píldora genérica) */
.telemetry-bar {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--cream-soft);
  margin-bottom: 28px;
  text-decoration: none;
  transition: all 0.25s var(--ease);
}

.telemetry-bar:hover {
  border-color: var(--copper);
  background: var(--surface-raised);
  color: #ffffff;
}

.telemetry-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #4ade80;
  font-weight: 700;
}

.telemetry-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 10px #4ade80;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.6); }
  50% { box-shadow: 0 0 0 6px rgba(74, 222, 128, 0); }
}

.hero-promise {
  margin-top: 18px;
  font-size: 1.15rem;
}

.hero-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 14px;
  letter-spacing: 0.02em;
}

/* Trust Bar / Indicadores Fundamento */
.trust-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 56px;
}

.trust-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  position: relative;
  transition: all 0.25s var(--ease);
}

.trust-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: transparent;
  transition: background 0.25s;
}

.trust-item:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  background: var(--surface-raised);
}

.trust-item:hover::before {
  background: var(--copper);
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--copper-light);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.trust-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
  display: block;
}

/* ── Sections general ── */
.section {
  padding: 80px 0;
  position: relative;
}

.section.alt {
  background: rgba(14, 20, 36, 0.4);
  border-y: 1px solid var(--line);
}

.section-head {
  margin-bottom: 44px;
  max-width: 680px;
}

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

/* ── Productos ── */
.products {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}

.product {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all 0.3s var(--ease);
}

.product::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
  background: transparent;
  transition: background 0.3s;
}

.product.nexo:hover {
  border-color: rgba(0, 201, 167, 0.4);
  box-shadow: 0 12px 40px rgba(0, 201, 167, 0.08);
  transform: translateY(-3px);
}
.product.nexo:hover::before { background: var(--nexo); }

.product.indago:hover {
  border-color: rgba(139, 124, 247, 0.4);
  box-shadow: 0 12px 40px rgba(139, 124, 247, 0.08);
  transform: translateY(-3px);
}
.product.indago:hover::before { background: var(--indago); }

.product .who {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 12px;
}

.product h3 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.product p {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.65;
  margin-bottom: 24px;
}

.product .meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(7, 9, 14, 0.5);
  border: 1px solid var(--line-dim);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  margin-bottom: 24px;
  display: block;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ── Operación Grid ── */
.ops-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ops-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  position: relative;
  transition: all 0.3s var(--ease);
}

.ops-card:hover {
  border-color: var(--line-strong);
  background: var(--surface-raised);
  transform: translateY(-3px);
}

.ops-card .ops-num {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--copper);
  opacity: 0.6;
  margin-bottom: 16px;
  display: block;
}

.ops-card .ops-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper-light);
  margin-bottom: 10px;
}

.ops-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.ops-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
}

/* ── Casos / Producción ── */
.evidence {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
}

.case-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: all 0.3s var(--ease);
}

.case-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.case-card .tag {
  display: inline-flex;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--nexo-soft);
  color: var(--nexo);
  border: 1px solid rgba(0, 201, 167, 0.2);
}

.case-card .tag.indago {
  background: var(--indago-soft);
  color: var(--indago);
  border-color: rgba(139, 124, 247, 0.2);
}

.case-card h3 {
  font-size: 1.45rem;
}

.case-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  flex: 1;
}

.case-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-facts span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: rgba(7, 9, 14, 0.4);
  color: var(--cream-soft);
}

/* ── Testimonial ── */
.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 40px 44px;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4);
}

.testimonial-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  bottom: 30px;
  width: 4px;
  background: var(--copper);
  border-radius: 0 2px 2px 0;
}

.testimonial-card blockquote {
  font-size: 1.12rem;
  line-height: 1.75;
  color: var(--cream);
  margin: 0 0 28px;
  font-style: italic;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--bg-navy), var(--copper-dark));
  border: 1px solid var(--copper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 800;
  color: #ffffff;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  color: #ffffff;
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--text-dim);
  display: block;
}

/* ── Founder ── */
.founder-inner {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 48px;
  align-items: start;
  max-width: 800px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.founder-avatar {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, var(--bg-navy), #060910);
  border: 2px solid var(--copper);
  box-shadow: 0 8px 24px rgba(196, 137, 74, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.8rem;
  color: var(--copper-light);
}

.founder-text .eyebrow {
  margin-bottom: 8px;
}

.founder-text h2 {
  font-size: 1.75rem;
  margin-bottom: 14px;
}

.founder-text p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
  font-size: 0.96rem;
}

.founder-commitments {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.founder-commitments li {
  font-size: 0.9rem;
  color: var(--cream-soft);
  padding-left: 24px;
  position: relative;
}

.founder-commitments li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0.1em;
  font-size: 0.7rem;
  color: var(--copper);
}

/* ── FAQ ── */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color 0.2s;
}

.faq-item:hover {
  border-color: var(--line-strong);
}

.faq-item summary {
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  color: var(--cream);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

.faq-item summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--copper);
  flex-shrink: 0;
  transition: transform 0.25s var(--ease);
  line-height: 1;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  padding: 0 24px 20px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
  font-size: 0.94rem;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.garantia {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 24px;
  text-align: center;
  letter-spacing: 0.02em;
}

/* ── CTA Band ── */
.cta-band {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--obsidian) 0%, var(--bg-navy) 100%);
  border-top: 1px solid var(--line);
}

.cta-box {
  background: var(--surface);
  border: 1px solid var(--copper-glow);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--copper), transparent);
}

.channels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.channel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(7, 9, 14, 0.5);
  text-align: left;
  transition: border-color 0.2s;
}

.channel:hover {
  border-color: var(--line-strong);
}

.channel .ch-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 8px;
}

.channel strong {
  display: block;
  font-size: 1.05rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.channel p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0 0 16px;
  line-height: 1.6;
}

/* ── Footer ── */
.footer {
  padding: 60px 0 32px;
  background: #05070a;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 14px;
  line-height: 1.6;
}

.footer h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}

.footer a {
  display: block;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.footer a:hover {
  color: #ffffff;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 28px;
  border-top: 1px solid var(--line-dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
}

/* ── Responsive ── */
@media (max-width: 860px) {
  .trust-bar { grid-template-columns: 1fr 1fr; }
  .products { grid-template-columns: 1fr; }
  .ops-grid { grid-template-columns: 1fr; }
  .evidence { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .hero { padding: 50px 0 40px; }
  .trust-bar { grid-template-columns: 1fr; gap: 10px; }
  .founder-inner { grid-template-columns: 1fr; gap: 24px; padding: 24px; }
  .founder-avatar { width: 72px; height: 72px; font-size: 1.4rem; }
  .testimonial-card { padding: 28px 24px; }
  .channels { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 12px; }
  .btn-row { flex-direction: column; width: 100%; }
  .btn-row .btn { width: 100%; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #090c14;
    border-bottom: 1px solid var(--line);
    padding: 20px;
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
}