/* ============================================================
   Intech S.A. — Design System
   Premium dark theme, red accent pulled from logo.
   Zero dependencies. Mobile-first.
   ============================================================ */

/* --- Reset & Base -------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  font-family: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
::selection { background: var(--accent); color: #fff; }

/* --- Tokens --------------------------------------------------- */
:root {
  /* Brand */
  --accent: #E11D2E;           /* logo red */
  --accent-hover: #F02436;
  --accent-dark: #9B1020;
  --accent-glow: rgba(225, 29, 46, 0.35);
  --accent-soft: rgba(225, 29, 46, 0.08);

  /* Neutrals */
  --bg: #0A0A0F;
  --bg-elevated: #101018;
  --surface: #14141D;
  --surface-hover: #1A1A26;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  /* Text */
  --text: #F5F5F7;
  --text-muted: #A1A1AA;
  --text-dim: #71717A;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px var(--accent-glow);

  /* Layout */
  --max-w: 1200px;
  --pad: clamp(1.25rem, 4vw, 2.5rem);
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 18px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 160ms;
  --base: 280ms;
}

/* --- Typography ---------------------------------------------- */
h1, h2, h3, h4 {
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--text);
}
h1 {
  font-size: clamp(2.25rem, 5.5vw, 4.25rem);
  letter-spacing: -0.035em;
  font-weight: 800;
}
h2 { font-size: clamp(1.75rem, 3.8vw, 2.75rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }
p { color: var(--text-muted); }
.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 62ch;
}
.mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 6px 12px;
  background: var(--accent-soft);
  border: 1px solid rgba(225, 29, 46, 0.25);
  border-radius: 999px;
  width: fit-content;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-glow);
}

/* --- Layout Utilities ---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--pad);
}
section { padding-block: clamp(4rem, 9vw, 7rem); }
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.flex { display: flex; }
.row { display: flex; align-items: center; gap: 1rem; }
.stack-lg > * + * { margin-top: 1.5rem; }
.text-center { text-align: center; }
.muted { color: var(--text-muted); }
.dim { color: var(--text-dim); }

/* --- Buttons -------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  transition: all var(--fast) var(--ease);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 14px rgba(225, 29, 46, 0.3);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(225, 29, 46, 0.45);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  background: var(--surface);
  border-color: rgba(255, 255, 255, 0.25);
}
.btn-lg { padding: 16px 30px; font-size: 1rem; }
.btn-block { width: 100%; }

/* Link arrow */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  transition: gap var(--fast) var(--ease);
}
.link-arrow:hover { gap: 10px; }
.link-arrow::after { content: "→"; }

/* --- Navigation ---------------------------------------------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
  transition: background var(--base) var(--ease);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 2rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.nav-brand img { width: 32px; height: 32px; object-fit: contain; }
.nav-brand span em {
  font-style: normal;
  color: var(--accent);
}
.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
}
.nav-links a {
  font-size: 0.93rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: color var(--fast) var(--ease);
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content: "";
  position: absolute;
  bottom: -6px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.lang-toggle {
  display: inline-flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  font-size: 0.78rem;
  font-weight: 600;
}
.lang-toggle button {
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--text-dim);
  transition: all var(--fast) var(--ease);
}
.lang-toggle button.active {
  background: var(--accent);
  color: #fff;
}
.nav-cta {
  display: none;
  padding: 9px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--fast) var(--ease);
}
.nav-cta:hover { background: var(--accent-hover); }
.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.nav-toggle span {
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--fast) var(--ease);
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

/* Mobile panel */
.nav-panel {
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem var(--pad);
  display: none;
  flex-direction: column;
  gap: 1rem;
}
.nav-panel a {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}
.nav-open .nav-panel { display: flex; }

@media (min-width: 900px) {
  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* --- Hero ---------------------------------------------------- */
.hero {
  position: relative;
  padding-block: clamp(7rem, 14vw, 10rem) clamp(4rem, 8vw, 6rem);
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(225, 29, 46, 0.15), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(225, 29, 46, 0.08), transparent 60%),
    var(--bg);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 30%, transparent 80%);
  pointer-events: none;
}
.hero-content {
  max-width: 860px;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.hero h1 strong {
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
  position: relative;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 0.5rem;
}
.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.proof-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.proof-item strong {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.proof-item span {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Trust strip --------------------------------------------- */
.trust {
  padding-block: 2.5rem;
  border-block: 1px solid var(--border);
  background: var(--bg-elevated);
}
.trust-label {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.trust-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1rem, 4vw, 3rem);
  align-items: center;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}
.trust-item svg {
  width: 18px; height: 18px;
  color: var(--accent);
}

/* --- Section heading layout --------------------------------- */
.section-head {
  max-width: 740px;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.section-head.center {
  text-align: center;
  margin-inline: auto;
  align-items: center;
}

/* --- Cards (Service pillars) --------------------------------- */
.card {
  position: relative;
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--base) var(--ease);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--base) var(--ease);
}
.card:hover {
  border-color: var(--border-strong);
  background: var(--surface-hover);
  transform: translateY(-4px);
}
.card:hover::before { transform: scaleX(1); }
.card-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(225, 29, 46, 0.2);
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { margin-bottom: 4px; }
.card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 0.5rem;
}
.card ul li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.card ul li::before {
  content: "";
  flex-shrink: 0;
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 9px;
}
.card-link {
  margin-top: auto;
  padding-top: 1rem;
}

/* Feature rows (why-us) */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.feature-cell {
  background: var(--bg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-cell .card-icon {
  width: 40px; height: 40px;
  margin-bottom: 6px;
}
.feature-cell .card-icon svg { width: 20px; height: 20px; }
.feature-cell h4 { font-size: 1.05rem; }
.feature-cell p { font-size: 0.92rem; line-height: 1.55; }

/* --- Process (timeline) -------------------------------------- */
.process {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  counter-reset: step;
}
.step {
  position: relative;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  counter-increment: step;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.step h4 { font-size: 1rem; }
.step p { font-size: 0.9rem; }

/* --- Industries tags ----------------------------------------- */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag {
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--text-muted);
  background: var(--surface);
  transition: all var(--fast) var(--ease);
}
.tag:hover {
  border-color: rgba(225, 29, 46, 0.4);
  color: var(--text);
}

/* --- CTA band ------------------------------------------------ */
.cta-band {
  position: relative;
  margin-inline: var(--pad);
  max-width: calc(var(--max-w) - 2 * var(--pad));
  margin-inline: auto;
  padding: clamp(2.5rem, 5vw, 4rem);
  background:
    radial-gradient(ellipse at top left, rgba(225, 29, 46, 0.15), transparent 60%),
    var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}
.cta-band h2 { max-width: 680px; }
.cta-band::after {
  content: "";
  position: absolute;
  top: -50%; right: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(225, 29, 46, 0.12), transparent 70%);
  z-index: 0;
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }

/* --- Contact form -------------------------------------------- */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}
.field label sup { color: var(--accent); }
.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.95rem;
  transition: border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.field input:focus,
.field textarea:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-elevated);
  box-shadow: 0 0 0 3px rgba(225, 29, 46, 0.15);
}
.field textarea { resize: vertical; min-height: 120px; font-family: inherit; }
.field-row { display: flex; align-items: flex-start; gap: 10px; }
.field-row input[type="checkbox"] {
  width: 16px; height: 16px;
  margin-top: 4px;
  accent-color: var(--accent);
}
.field-row label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.5;
}
.field-row a { color: var(--accent); text-decoration: underline; }
.form-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.form-note svg { width: 14px; height: 14px; color: var(--accent); }
.form-success {
  padding: 1rem 1.25rem;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: var(--radius-sm);
  color: #86efac;
  font-size: 0.92rem;
  display: none;
}
.form-success.show { display: block; }
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px; height: 1px;
  opacity: 0;
}

/* Contact methods */
.contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}
.contact-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all var(--base) var(--ease);
}
.contact-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}
.contact-card .card-icon {
  width: 40px; height: 40px;
  margin-bottom: 4px;
}
.contact-card .card-icon svg { width: 20px; height: 20px; }
.contact-card strong {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.contact-card a {
  font-size: 1.05rem;
  color: var(--text);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.contact-card a:hover { color: var(--accent); }

/* --- Pricing tiers ------------------------------------------- */
.tier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.tier {
  padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
}
.tier.featured {
  border-color: var(--accent);
  background:
    radial-gradient(ellipse at top, rgba(225, 29, 46, 0.08), transparent 60%),
    var(--surface);
}
.tier-badge {
  position: absolute;
  top: -12px; left: 2rem;
  padding: 4px 10px;
  background: var(--accent);
  color: #fff;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.tier-name {
  font-size: 0.82rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.tier h3 {
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}
.tier-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-block: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.tier-price strong {
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
}
.tier-price span { font-size: 0.9rem; color: var(--text-dim); }
.tier ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.tier ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-muted);
}
.tier ul li::before {
  content: "";
  flex-shrink: 0;
  width: 16px; height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E11D2E' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
  margin-top: 3px;
}

/* --- FAQ ----------------------------------------------------- */
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 1.4rem;
  font-weight: 300;
  transition: transform var(--fast) var(--ease);
}
.faq details[open] summary::after { content: "−"; }
.faq details p {
  padding-top: 0.75rem;
  line-height: 1.7;
}

/* --- Floating WhatsApp --------------------------------------- */
.fab-whatsapp {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 95;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px 14px 14px;
  background: #25D366;
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35), 0 2px 8px rgba(0,0,0,0.3);
  transition: all var(--fast) var(--ease);
  animation: fab-in 500ms var(--ease) 800ms both;
}
.fab-whatsapp:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.45);
}
.fab-whatsapp svg { width: 22px; height: 22px; flex-shrink: 0; }
.fab-whatsapp span { display: none; }
@media (min-width: 640px) {
  .fab-whatsapp span { display: inline; }
}
@keyframes fab-in {
  from { opacity: 0; transform: translateY(20px) scale(0.9); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Footer -------------------------------------------------- */
.footer {
  padding-block: 3.5rem 2rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  margin-top: 4rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 2.5rem;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; }
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.footer-brand img { width: 40px; height: 40px; }
.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 40ch;
  line-height: 1.6;
}
.footer h5 {
  font-size: 0.78rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer ul a {
  color: var(--text-muted);
  font-size: 0.92rem;
  transition: color var(--fast) var(--ease);
}
.footer ul a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--text); }

/* --- Utility reveal animation -------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms var(--ease), transform 600ms var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* --- Page hero (non-home) ------------------------------------ */
.page-hero {
  padding-block: clamp(6rem, 12vw, 9rem) clamp(3rem, 6vw, 5rem);
  border-bottom: 1px solid var(--border);
  background:
    radial-gradient(ellipse at 70% 0%, rgba(225, 29, 46, 0.12), transparent 50%),
    var(--bg);
  position: relative;
  overflow: hidden;
}
.page-hero .container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  max-width: 820px;
}

/* --- 404 ----------------------------------------------------- */
.error-page {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem var(--pad);
  gap: 1.25rem;
}
.error-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  letter-spacing: -0.05em;
}