@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --navy: #0b2d4d;
  --navy-2: #071f36;
  --blue: #0877b9;
  --cyan: #14a8c7;
  --green: #19b56b;
  --white: #ffffff;
  --off-white: #f6f9fb;
  --text: #193247;
  --muted: #667887;
  --line: #dfe8ee;
  --shadow: 0 18px 50px rgba(10, 45, 77, 0.10);
  --radius: 18px;
  --container: 1180px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", Arial, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(223,232,238,.8);
  backdrop-filter: blur(10px);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--navy);
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 11px;
  color: var(--white);
  background: linear-gradient(135deg, var(--navy), var(--blue));
  font-size: 15px;
  letter-spacing: -.5px;
}

.logo-text { font-size: 16px; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 600;
}

.main-nav a { transition: color .2s ease; }
.main-nav a:hover { color: var(--blue); }

.nav-cta {
  padding: 11px 17px;
  color: var(--white) !important;
  background: var(--navy);
  border-radius: 10px;
}

.menu-toggle {
  display: none;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  margin: 5px;
  background: var(--navy);
}

.hero {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 25%, rgba(20,168,199,.20), transparent 30%),
    linear-gradient(120deg, #071f36 0%, #0b2d4d 55%, #0b5077 100%);
}

.hero::after {
  content: "";
  position: absolute;
  width: 580px;
  height: 580px;
  right: -170px;
  bottom: -250px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  box-shadow:
    0 0 0 60px rgba(255,255,255,.025),
    0 0 0 120px rgba(255,255,255,.02);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4,19,33,.45), transparent 65%),
    repeating-linear-gradient(135deg, transparent 0, transparent 80px, rgba(255,255,255,.025) 81px, transparent 82px);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, .65fr);
  gap: 70px;
  align-items: center;
}

.hero-copy { max-width: 760px; color: var(--white); }

.eyebrow {
  display: inline-block;
  margin-bottom: 13px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.8px;
  color: var(--blue);
}

.hero .eyebrow { color: #6dd5e8; }

h1 {
  max-width: 850px;
  font-size: clamp(40px, 5vw, 68px);
  line-height: 1.05;
  letter-spacing: -2.8px;
  margin-bottom: 24px;
}

.hero-copy > p {
  max-width: 650px;
  color: rgba(255,255,255,.82);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin: 34px 0 25px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 11px;
  font-weight: 700;
  font-size: 14px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.btn-primary {
  background: #19b56b;
  color: #fff;
  box-shadow: 0 12px 28px rgba(25,181,107,.25);
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
}

.btn-light {
  background: #fff;
  color: var(--navy);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: rgba(255,255,255,.72);
  font-size: 12px;
}

.hero-card {
  padding: 32px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 22px;
  background: rgba(255,255,255,.08);
  backdrop-filter: blur(10px);
  color: white;
  box-shadow: var(--shadow);
}

.hero-card-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  border-radius: 15px;
  background: rgba(20,168,199,.18);
  color: #79e1ee;
  font-size: 28px;
}

.hero-card strong {
  display: block;
  font-size: 22px;
  line-height: 1.25;
  margin-bottom: 10px;
}

.hero-card p { color: rgba(255,255,255,.7); font-size: 14px; }

.trust-strip {
  background: var(--off-white);
  border-bottom: 1px solid var(--line);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
}

.trust-grid > div {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 24px 18px;
  border-right: 1px solid var(--line);
}

.trust-grid > div:first-child { border-left: 1px solid var(--line); }

.trust-grid strong { color: var(--blue); font-size: 12px; }
.trust-grid span { font-size: 13px; font-weight: 600; }

.section { padding: 100px 0; }

.section-heading {
  max-width: 720px;
  margin-bottom: 48px;
}

.section-heading h2,
.two-columns h2,
.technology-copy h2,
.cta-content h2 {
  font-size: clamp(30px, 4vw, 47px);
  line-height: 1.1;
  letter-spacing: -1.7px;
  margin-bottom: 17px;
  color: var(--navy);
}

.section-heading p,
.two-columns > div > p,
.technology-copy > p {
  color: var(--muted);
}

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

.service-card {
  min-height: 270px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow);
}

.card-number {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 55px;
}

.service-card h3 { color: var(--navy); font-size: 20px; margin-bottom: 12px; }
.service-card p { color: var(--muted); font-size: 14px; }

.problem-section { background: var(--off-white); }

.two-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.signs-list { display: grid; gap: 10px; }

.signs-list div {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  font-weight: 600;
  font-size: 14px;
}

.light-section { background: #f7fafc; }

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

.step {
  padding: 28px 24px;
  border-top: 3px solid var(--blue);
  background: #fff;
  border-radius: 0 0 15px 15px;
  box-shadow: 0 8px 30px rgba(10,45,77,.05);
}

.step > span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.step h3 { margin: 35px 0 10px; color: var(--navy); font-size: 18px; }
.step p { color: var(--muted); font-size: 14px; }

.technology-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.check-list {
  display: grid;
  gap: 15px;
  margin-top: 28px;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--muted);
  font-size: 14px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--green);
  font-weight: 800;
}

.check-list strong { color: var(--navy); }

.equipment-panel {
  min-height: 430px;
  display: grid;
  place-items: center;
  padding: 25px;
  border-radius: 25px;
  background: linear-gradient(145deg, #e9f5fa, #f7fbfd);
  border: 1px solid var(--line);
}

.equipment-placeholder {
  width: 100%;
  min-height: 360px;
  display: grid;
  place-content: center;
  text-align: center;
  border: 2px dashed #b9d3df;
  border-radius: 18px;
  color: var(--muted);
}

.equipment-placeholder span {
  display: grid;
  place-items: center;
  width: 80px;
  height: 80px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: var(--navy);
  color: white;
  font-weight: 800;
  font-size: 25px;
}

.equipment-placeholder p { font-weight: 700; color: var(--navy); }
.equipment-placeholder small { margin-top: 5px; }

.dark-section {
  background: var(--navy-2);
  color: white;
}

.section-heading-light h2 { color: white; }
.section-heading-light p { color: rgba(255,255,255,.65); }

.dark-section .eyebrow { color: #6dd5e8; }

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

.benefit {
  padding: 28px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 17px;
  background: rgba(255,255,255,.045);
}

.benefit > span { font-size: 25px; color: #6dd5e8; }
.benefit h3 { margin: 25px 0 10px; font-size: 18px; }
.benefit p { color: rgba(255,255,255,.62); font-size: 13px; }

.faq-container { max-width: 900px; }

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

.faq-list details { border-bottom: 1px solid var(--line); }

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 40px 22px 0;
  position: relative;
  font-weight: 700;
  color: var(--navy);
}

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

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 5px;
  top: 18px;
  font-size: 25px;
  font-weight: 400;
  color: var(--blue);
}

.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { padding: 0 35px 22px 0; color: var(--muted); font-size: 14px; }

.cta-section {
  padding: 75px 0;
  background: linear-gradient(115deg, var(--blue), #0b9fbb);
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 35px;
}

.cta-content h2 { color: white; margin-bottom: 8px; }
.cta-content p { color: rgba(255,255,255,.82); }

.cta-section .eyebrow { color: #bdf2f7; }

.site-footer {
  padding: 55px 0 25px;
  background: #061b2d;
  color: rgba(255,255,255,.65);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 45px;
}

.footer-logo { color: white; margin-bottom: 16px; }
.site-footer h3 { color: white; font-size: 14px; margin-bottom: 15px; }
.site-footer p, .site-footer a { display: block; font-size: 13px; margin-bottom: 8px; }
.site-footer a:hover { color: white; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.1);
  font-size: 11px;
}

.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 999;
  padding: 13px 17px;
  border-radius: 50px;
  background: var(--green);
  color: white;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}

@media (max-width: 950px) {
  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 70px;
    display: none;
    padding: 18px;
    flex-direction: column;
    align-items: stretch;
    gap: 3px;
    background: white;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }

  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px; }
  .menu-toggle { display: block; }

  .hero { min-height: auto; padding: 90px 0; }
  .hero-content { grid-template-columns: 1fr; gap: 35px; }
  .hero-card { max-width: 500px; }
  .cards-grid, .steps, .benefits-grid { grid-template-columns: repeat(2,1fr); }
  .technology-grid, .two-columns { grid-template-columns: 1fr; gap: 45px; }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .trust-grid > div:nth-child(3), .trust-grid > div:nth-child(4) { border-top: 1px solid var(--line); }
  .cta-content { align-items: flex-start; flex-direction: column; }
}

@media (max-width: 620px) {
  .container { width: min(var(--container), calc(100% - 28px)); }
  .section { padding: 70px 0; }
  h1 { letter-spacing: -1.8px; }
  .hero-copy > p { font-size: 16px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-points { display: grid; gap: 8px; }
  .cards-grid, .steps, .benefits-grid, .trust-grid { grid-template-columns: 1fr; }
  .trust-grid > div, .trust-grid > div:first-child { border-left: 0; border-right: 0; border-top: 1px solid var(--line); }
  .trust-grid > div:first-child { border-top: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; }
  .floating-whatsapp { right: 14px; bottom: 14px; }
  .logo-text { font-size: 14px; }
}