:root {
  --ink: #f4f7f5;
  --muted: #aeb8b4;
  --paper: #070908;
  --surface: #101614;
  --surface-2: #161f1c;
  --line: #2b3632;
  --steel: #0c1110;
  --green: #25a078;
  --green-deep: #18805f;
  --amber: #d6a13a;
  --rust: #c46f4d;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(100% - 32px, var(--max));
  margin: 16px auto 0;
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(7, 9, 8, 0.78);
  color: #fff;
  backdrop-filter: blur(18px);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(7, 9, 8, 0.96);
  transform: translateY(-4px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 42px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: #fff;
  color: #050605;
  font-weight: 900;
  letter-spacing: 0;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand small {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.site-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.94rem;
  color: rgba(255, 255, 255, 0.82);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1;
  transition:
    transform 180ms ease,
    background 180ms ease,
    border-color 180ms ease;
}

.header-cta {
  padding: 0 16px;
  background: #fff;
  color: #070908;
  font-size: 0.9rem;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(7, 9, 8, 0.98), rgba(7, 9, 8, 0.78) 48%, rgba(7, 9, 8, 0.44)),
    url("https://images.unsplash.com/photo-1487958449943-2429e8be8625?auto=format&fit=crop&w=2200&q=82") center / cover;
}

.hero-overlay {
  z-index: -1;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.62));
}

.hero-content {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 150px 0 70px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 5.9rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 680px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.02rem, 1.55vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  border: 1px solid transparent;
  padding: 0 22px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.96rem;
}

.button-primary {
  background: var(--green);
  color: #fff;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--green-deep);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.section {
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 86px 0;
}

.intro-section {
  padding-top: 62px;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 1fr);
  gap: 52px;
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.55rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.section-grid p:last-child,
.split-content p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.service-card img {
  width: 100%;
  aspect-ratio: 1.15;
  object-fit: cover;
}

.service-card div {
  padding: 22px;
}

.service-card h3,
.process-grid h3 {
  margin: 0 0 10px;
  font-size: 1.18rem;
  line-height: 1.18;
}

.service-card p,
.process-grid p,
.site-footer p {
  margin: 0;
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.85fr);
  min-height: 650px;
  background: #0b100f;
  color: #fff;
}

.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.split-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(36px, 6vw, 86px);
}

.split-content p {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.72);
}

.check-list {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: rgba(255, 255, 255, 0.88);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  background: var(--amber);
}

.warning-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1fr);
  gap: 42px;
  align-items: start;
}

.symptom-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.symptom-grid span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 14px;
  background: var(--surface);
  color: var(--ink);
  font-weight: 750;
}

.process {
  border-top: 1px solid var(--line);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.process-grid article {
  min-height: 245px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.process-grid span {
  display: inline-block;
  margin-bottom: 34px;
  color: var(--rust);
  font-size: 0.85rem;
  font-weight: 900;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, var(--max));
  margin: 0 auto;
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
}

.site-footer a {
  color: var(--green);
  font-weight: 800;
}

.floating-whatsapp {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 20px;
  border-radius: 999px;
  background: #25d366;
  color: #06100b;
  font-weight: 900;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.38);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.floating-whatsapp:hover,
.floating-whatsapp:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.46);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
  }

  .header-cta {
    display: none;
  }

  .nav-toggle {
    justify-self: end;
    display: inline-grid;
    gap: 6px;
    width: 44px;
    height: 42px;
    border: 0;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.12);
  }

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    margin: auto;
    background: #fff;
  }

  .site-nav {
    grid-column: 1 / -1;
    justify-self: stretch;
    display: none;
    padding: 8px 0 4px;
  }

  .site-nav.is-open {
    display: grid;
    gap: 4px;
  }

  .site-nav a {
    padding: 11px 6px;
  }

  .section-grid,
  .warning-band,
  .split-section {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split-section {
    min-height: auto;
  }

  .split-image img {
    max-height: 420px;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: min(100% - 20px, var(--max));
    margin-top: 10px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 44px;
  }

  .hero {
    min-height: 94vh;
  }

  .hero-media {
    background:
      linear-gradient(90deg, rgba(7, 9, 8, 0.98), rgba(7, 9, 8, 0.82)),
      url("https://images.unsplash.com/photo-1487958449943-2429e8be8625?auto=format&fit=crop&w=1200&q=78") center / cover;
  }

  .hero-content {
    width: min(100% - 24px, var(--max));
    padding-bottom: 38px;
  }

  .hero-actions,
  .floating-whatsapp {
    display: grid;
  }

  .service-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .section {
    width: min(100% - 24px, var(--max));
    padding: 62px 0;
  }

  .split-content {
    padding: 44px 24px;
  }

  .site-footer {
    flex-direction: column;
    width: min(100% - 24px, var(--max));
  }

  .floating-whatsapp {
    right: 14px;
    bottom: 14px;
    min-height: 50px;
    padding: 0 16px;
  }
}