:root {
  --black: #050607;
  --graphite: #121417;
  --graphite-2: #1a1d21;
  --muted: #747b85;
  --line: rgba(255, 255, 255, 0.1);
  --soft-line: rgba(11, 13, 16, 0.11);
  --white: #ffffff;
  --offwhite: #f4f5f6;
  --accent: #e43d24;
  --accent-2: #ff7a1a;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.22);
}

* {
  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(--graphite);
  background: var(--offwhite);
  line-height: 1.5;
}

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

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

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  padding: 0 28px;
  color: var(--white);
  background: rgba(5, 6, 7, 0.55);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  transition: background 0.2s ease, min-height 0.2s ease;
}

.site-header.is-scrolled {
  min-height: 62px;
  background: rgba(5, 6, 7, 0.92);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  color: var(--white);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: var(--radius);
}

.brand-text {
  font-size: 1.05rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.78);
}

.nav a:hover {
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.section {
  padding: 100px 0;
}

.section-dark {
  color: var(--white);
  background: var(--black);
}

.section-muted {
  background: #e8eaed;
}

.hero {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 116px 0 70px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 6, 7, 0.98) 0%, rgba(5, 6, 7, 0.83) 42%, rgba(5, 6, 7, 0.42) 100%),
    radial-gradient(circle at 70% 35%, rgba(228, 61, 36, 0.25), transparent 28%),
    var(--black);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, rgba(0,0,0,0.85), transparent 85%);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.85fr);
  align-items: center;
  gap: 58px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--accent-2);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(2.6rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  font-size: 1.05rem;
  line-height: 1.25;
}

.hero-copy p {
  max-width: 700px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.15rem;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 800;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 34px rgba(228, 61, 36, 0.25);
}

.btn-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.18);
}

.trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.trust-strip span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  font-size: 0.86rem;
}

.hero-panel {
  position: relative;
  align-self: stretch;
  min-height: 540px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scan-card {
  position: absolute;
  right: 22px;
  bottom: 22px;
  width: min(270px, calc(100% - 44px));
  padding: 18px;
  background: rgba(5, 6, 7, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
}

.scan-card span {
  display: block;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.82rem;
}

.scan-card strong {
  display: block;
  margin-bottom: 14px;
}

.scan-line {
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), rgba(255,255,255,0.3));
  border-radius: 999px;
  animation: scanPulse 2.6s ease-in-out infinite;
}

.split {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 56px;
  align-items: start;
}

.section-copy p,
.section-heading p,
.large-text {
  color: #555c65;
  font-size: 1.05rem;
}

.section-dark .section-heading p {
  color: rgba(255, 255, 255, 0.72);
}

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

.card-grid,
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card,
.audience-card,
.service-block,
.severity,
.contact-form,
.ethics-box {
  border-radius: var(--radius);
}

.feature-card {
  min-height: 145px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  box-shadow: 0 14px 32px rgba(15, 18, 22, 0.05);
}

.feature-card i {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 18px;
  color: var(--accent);
  background: rgba(228, 61, 36, 0.09);
  border-radius: var(--radius);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.audience-card {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  font-weight: 750;
}

.audience-card i {
  color: var(--accent);
}

.problems {
  background:
    linear-gradient(135deg, rgba(5, 6, 7, 0.04), transparent 42%),
    var(--offwhite);
}

.problem-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.problem-list li {
  position: relative;
  padding: 16px 18px 16px 42px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  border-radius: var(--radius);
  font-weight: 700;
}

.problem-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
}

.step {
  position: relative;
  min-height: 170px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
}

.step span,
.service-block span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 32px;
  margin-bottom: 18px;
  color: var(--accent-2);
  border: 1px solid rgba(255, 122, 26, 0.35);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 900;
}

.step strong {
  display: block;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.25;
}

.service-list {
  display: grid;
  gap: 12px;
}

.service-block {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--soft-line);
}

.service-block h3 {
  margin-bottom: 8px;
}

.service-block p {
  margin-bottom: 0;
  color: #59616a;
}

.severity-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.severity {
  min-height: 128px;
  padding: 20px;
  color: var(--white);
  background: var(--graphite);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.severity span {
  display: block;
  margin-bottom: 28px;
  color: rgba(255, 255, 255, 0.68);
}

.severity strong {
  font-size: 1.25rem;
}

.severity.low { border-top: 5px solid #8da0ad; }
.severity.medium { border-top: 5px solid #f2a735; }
.severity.high { border-top: 5px solid #f06d22; }
.severity.critical { border-top: 5px solid #e02618; }

.cta {
  padding: 92px 0;
  background:
    linear-gradient(135deg, rgba(228, 61, 36, 0.2), transparent 40%),
    var(--black);
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  align-items: center;
}

.cta h2 {
  margin-bottom: 10px;
}

.cta p {
  max-width: 720px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.ethics {
  background: var(--graphite);
}

.ethics-box {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 28px;
  padding: 42px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(228, 61, 36, 0.18), transparent 45%),
    #090a0c;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.ethics-box > i {
  display: grid;
  place-items: center;
  width: 60px;
  height: 60px;
  color: var(--accent-2);
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  font-size: 1.55rem;
}

.ethics-box p {
  max-width: 850px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.15rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
}

.contact-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  color: var(--graphite);
  font-weight: 800;
}

.contact-note i {
  color: var(--accent);
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--soft-line);
  box-shadow: 0 18px 48px rgba(15, 18, 22, 0.08);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: #293039;
  font-size: 0.86rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  color: var(--graphite);
  background: #f7f8f9;
  border: 1px solid #d8dce0;
  border-radius: var(--radius);
  font: inherit;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(228, 61, 36, 0.1);
}

.full {
  grid-column: 1 / -1;
}

.whatsapp-float {
  position: fixed;
  z-index: 60;
  right: 22px;
  bottom: 22px;
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  color: var(--white);
  background: #24d366;
  border-radius: 50%;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.24);
  font-size: 1.75rem;
}

.footer {
  padding: 34px 0;
  color: rgba(255, 255, 255, 0.76);
  background: #050607;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.footer strong {
  display: block;
  margin-bottom: 8px;
  color: var(--white);
}

.footer p {
  margin-bottom: 4px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes scanPulse {
  0%, 100% { opacity: 0.55; transform: scaleX(0.72); transform-origin: left; }
  50% { opacity: 1; transform: scaleX(1); transform-origin: left; }
}

@media (max-width: 1060px) {
  .hero-grid,
  .split,
  .contact-grid,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: 420px;
  }

  .timeline,
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid,
  .services-grid,
  .severity-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1160px);
  }

  .site-header {
    min-height: 66px;
    padding: 0 14px;
  }

  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav {
    position: absolute;
    top: calc(100% + 1px);
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: rgba(5, 6, 7, 0.98);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
  }

  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 12px;
  }

  .hero {
    min-height: auto;
    padding-top: 104px;
  }

  .hero-grid {
    gap: 34px;
  }

  h1 {
    font-size: 2.58rem;
  }

  .section {
    padding: 72px 0;
  }

  .hero-panel {
    min-height: 330px;
  }

  .card-grid,
  .services-grid,
  .audience-grid,
  .problem-list,
  .timeline,
  .severity-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .service-block,
  .ethics-box {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    align-items: start;
  }

  .footer-inner {
    flex-direction: column;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 54px;
    height: 54px;
  }
}