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

:root {
  --bg: #f4f2ed;
  --surface: #fbfaf7;
  --ink: #121417;
  --ink-2: #3d4148;
  --muted: #6f737a;
  --line: rgba(18, 20, 23, 0.12);
  --accent: #1f8a4c;

  --dark: #121417;
  --dark-2: #1b1e22;
  --on-dark: #f4f2ed;
  --on-dark-muted: #9a9ea5;
  --line-dark: rgba(244, 242, 237, 0.12);

  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Instrument Serif", ui-serif, Georgia, serif;

  --radius: 20px;
  --gutter: clamp(16px, 4vw, 40px);
}

html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; }

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.025em; line-height: 1.05; }
h1 em, h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.8125rem; font-weight: 500; color: var(--muted);
  margin-bottom: 20px;
}
.label::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 48px; padding: 0 22px;
  border-radius: 999px;
  font: 500 0.9375rem/1 var(--sans);
  text-decoration: none; white-space: nowrap;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s;
}
.btn:active { transform: scale(0.98); }
.btn .ico { width: 18px; height: 18px; flex-shrink: 0; }
.btn-sm { height: 40px; padding: 0 18px; font-size: 0.875rem; }
.btn-sm .ico { width: 16px; height: 16px; }
.btn-lg { height: 56px; padding: 0 28px; font-size: 1rem; }

.btn-dark { background: var(--ink); color: var(--bg); }
.btn-dark:hover { background: #2a2e34; }
.btn-dark .ico:first-child { color: #4ade80; }

.btn-ghost { color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--ink); }

.btn-light { background: var(--on-dark); color: var(--ink); }
.btn-light:hover { background: #fff; }
.btn-light .ico:first-child { color: var(--accent); }
.ico-arrow { transition: transform .2s; }
.btn-light:hover .ico-arrow { transform: translate(2px, -2px); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(244, 242, 237, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }

.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-mark {
  display: grid; place-items: center;
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--ink); color: var(--bg);
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.02em;
}
.logo-text { font-weight: 600; font-size: 1.0625rem; letter-spacing: -0.02em; }

.nav { display: flex; gap: 32px; }
.nav a {
  font-size: 0.9375rem; color: var(--ink-2); text-decoration: none;
  transition: color .2s;
}
.nav a:hover { color: var(--ink); }

/* ---------- Hero ---------- */
.hero { padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 8vw, 96px); }
.hero-top {
  display: grid; grid-template-columns: 1.35fr 1fr; gap: 48px 64px; align-items: end;
  margin-bottom: clamp(32px, 5vw, 56px);
}
.hero h1 { font-size: clamp(2.5rem, 6.4vw, 5.25rem); }
.hero h1 em { display: block; color: var(--ink-2); }
.hero-aside p { color: var(--ink-2); font-size: 1.0625rem; max-width: 40ch; margin-bottom: 28px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 10px; }

.hero-media {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #d9d6cf;
  aspect-ratio: 7 / 3;
}
.hero-media img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 0;
}
.hero-chip {
  position: absolute; left: 20px; bottom: 20px;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: 999px;
  background: rgba(251, 250, 247, 0.9);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  font-size: 0.875rem; font-weight: 500;
}
.dot {
  width: 8px; height: 8px; border-radius: 50%; background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.2);
}

/* ---------- Sections ---------- */
.section { padding: clamp(72px, 10vw, 128px) 0; border-top: 1px solid var(--line); }
.section h2 { font-size: clamp(2rem, 4.4vw, 3.5rem); }
.lead { color: var(--ink-2); font-size: 1.0625rem; margin-top: 20px; max-width: 34ch; }
.section-head { margin-bottom: clamp(40px, 6vw, 64px); }

/* Services */
.split { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; }
.split-head { position: sticky; top: 108px; align-self: start; }
.zones { margin-top: 40px; }
.zones-title { font-size: 0.8125rem; font-weight: 500; color: var(--muted); letter-spacing: 0; margin-bottom: 12px; }
.zones-list { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.zones-list li {
  font-size: 0.875rem; color: var(--ink-2);
  padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px;
}
.service-list { list-style: none; border-top: 1px solid var(--line); }
.service-list li {
  display: grid; grid-template-columns: 56px 1fr 1.3fr; gap: 8px 24px; align-items: baseline;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
  transition: padding-left .25s;
}
.service-list li:hover { padding-left: 8px; }
.idx { font-size: 0.8125rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.service-list h3 { font-size: 1.25rem; letter-spacing: -0.015em; }
.service-list p { color: var(--muted); font-size: 0.9375rem; line-height: 1.55; }

/* Why (dark) */
.section-dark { background: var(--dark); color: var(--on-dark); border-top: 0; }
.section-dark .label { color: var(--on-dark-muted); }
.section-dark .label::before { background: #4ade80; }
.why-head { margin-bottom: clamp(48px, 7vw, 80px); }
.why-head h2 em { color: var(--on-dark-muted); }
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
}
.why-item { padding: 28px 28px 0 0; }
.why-item + .why-item { padding-left: 28px; border-left: 1px solid var(--line-dark); }
.why-item h3 { font-size: 1.125rem; margin-bottom: 10px; letter-spacing: -0.01em; }
.why-item p { color: var(--on-dark-muted); font-size: 0.9375rem; line-height: 1.55; }

/* Steps */
.steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  min-height: 240px;
  display: flex; flex-direction: column;
}
.step-n {
  font-family: var(--serif); font-size: 3.5rem; line-height: 1; color: var(--muted);
  margin-bottom: auto; padding-bottom: 40px;
}
.step h3 { font-size: 1.25rem; margin-bottom: 8px; letter-spacing: -0.015em; }
.step p { color: var(--muted); font-size: 0.9375rem; line-height: 1.55; }

/* CTA */
.section-cta { padding-top: 0; border-top: 0; }
.cta-card {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; flex-wrap: wrap;
  background: var(--dark); color: var(--on-dark);
  border-radius: calc(var(--radius) + 8px);
  padding: clamp(32px, 6vw, 72px);
}
.cta-card h2 { font-size: clamp(2.25rem, 5vw, 4rem); margin-bottom: 14px; }
.cta-card p { color: var(--on-dark-muted); font-size: 1.0625rem; }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.cta-phone { color: var(--on-dark-muted); font-size: 0.9375rem; text-decoration: none; }
.cta-phone strong { color: var(--on-dark); font-weight: 500; }
.cta-phone:hover strong { text-decoration: underline; text-underline-offset: 3px; }

/* Footer */
.site-footer { padding: 28px 0 40px; }
.footer-inner {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px;
  font-size: 0.8125rem; color: var(--muted);
}

/* Floating WhatsApp (mobile only) */
.fab {
  position: fixed; right: 16px; bottom: 16px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  display: none; place-items: center;
  background: #25d366; color: #fff;
  box-shadow: 0 8px 24px rgba(18, 20, 23, 0.18);
}
.fab svg { width: 26px; height: 26px; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .hero-top { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split-head { position: static; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .why-item, .why-item + .why-item { padding: 28px 24px 28px 0; border-left: 0; }
  .why-item:nth-child(even) { padding-left: 24px; border-left: 1px solid var(--line-dark); }
  .why-item:nth-child(n+3) { border-top: 1px solid var(--line-dark); }
  .steps { grid-template-columns: 1fr; }
  .step { min-height: 0; }
  .step-n { padding-bottom: 24px; font-size: 2.75rem; }
}

@media (max-width: 640px) {
  .nav { display: none; }
  .site-header .btn { display: none; }
  .fab { display: grid; }
  .hero-media { aspect-ratio: 4 / 3; }
  .hero-media img { object-position: 58% 0; }
  .hero-chip { left: 12px; bottom: 12px; font-size: 0.8125rem; padding: 8px 12px; }
  .hero-ctas .btn { flex: 1 1 100%; }
  .service-list li { grid-template-columns: 40px 1fr; padding: 22px 0; }
  .service-list p { grid-column: 2; }
  .service-list li:hover { padding-left: 0; }
  .why-grid { grid-template-columns: 1fr; }
  .why-item, .why-item + .why-item, .why-item:nth-child(even) {
    padding: 24px 0; border-left: 0; border-top: 1px solid var(--line-dark);
  }
  .why-item:first-child { border-top: 0; }
  .cta-actions, .cta-actions .btn { width: 100%; }
  .footer-inner { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}