:root {
  --ink: #111827;
  --muted: #5b6472;
  --paper: #f7f4ee;
  --white: #ffffff;
  --line: rgba(17, 24, 39, 0.12);
  --blue: #0f6e8c;
  --blue-dark: #073b4c;
  --green: #1f8a70;
  --coral: #ec6f5a;
  --gold: #d6a44a;
  --shadow: 0 24px 70px rgba(17, 24, 39, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30;
  width: 100%;
  padding: 18px clamp(18px, 4vw, 54px);
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
}

.site-header.scrolled {
  padding-top: 10px;
  padding-bottom: 10px;
  background: rgba(247, 244, 238, 0.94);
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.08);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1180px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--blue), var(--green) 52%, var(--gold));
  box-shadow: 0 12px 28px rgba(15, 110, 140, 0.26);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.95rem;
  font-weight: 600;
}

.site-header.scrolled .nav-links,
.site-header.scrolled .brand {
  color: var(--ink);
}

.nav-links a {
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 10px 16px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.12);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

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

.hero-media {
  background-image: url("https://images.unsplash.com/photo-1552664730-d307ca884978?auto=format&fit=crop&w=2200&q=88");
  background-position: center;
  background-size: cover;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(7, 35, 44, 0.88), rgba(7, 35, 44, 0.62) 44%, rgba(7, 35, 44, 0.18)),
    linear-gradient(0deg, rgba(7, 35, 44, 0.48), rgba(7, 35, 44, 0.04));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(760px, calc(100% - 36px));
  margin: 0 auto;
  padding: 150px 0 92px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 740px;
  font-size: clamp(2.5rem, 6vw, 5.8rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 650px;
  margin: 26px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 2vw, 1.18rem);
}

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

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 13px 20px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button.primary {
  color: var(--white);
  background: var(--coral);
  box-shadow: 0 16px 34px rgba(236, 111, 90, 0.3);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.54);
  background: rgba(255, 255, 255, 0.08);
}

.button.light {
  color: var(--blue-dark);
  background: var(--white);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.trust-strip div {
  padding: 28px clamp(18px, 4vw, 52px);
  background: var(--white);
}

.trust-strip strong,
.trust-strip span {
  display: block;
}

.trust-strip strong {
  color: var(--blue-dark);
  font-size: 1.1rem;
}

.trust-strip span {
  margin-top: 4px;
  color: var(--muted);
}

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px clamp(18px, 4vw, 34px);
}

.intro-grid,
.section-heading,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.intro p,
.section-heading p,
.split-content p,
.contact-copy p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 1.02rem;
}

.services-section {
  padding-top: 72px;
}

.services-intro-image {
  width: 100%;
  height: clamp(230px, 28vw, 360px);
  margin-top: 24px;
  border-radius: var(--radius);
  object-fit: cover;
  box-shadow: var(--shadow);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 44px;
}

.service-card {
  min-height: 254px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.05);
}

.service-card span {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.service-card h3 {
  margin: 12px 0 10px;
  color: var(--blue-dark);
  font-size: 1.18rem;
  line-height: 1.2;
}

.service-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 560px);
  min-height: 620px;
  background: var(--blue-dark);
  color: var(--white);
}

.split-image {
  min-height: 460px;
  background-image: url("https://images.unsplash.com/photo-1551288049-bebda4e38f71?auto=format&fit=crop&w=1600&q=88");
  background-position: center;
  background-size: cover;
}

.split-content {
  align-self: center;
  padding: 72px clamp(24px, 5vw, 72px);
}

.split-content .section-kicker {
  color: var(--gold);
}

.split-content p {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.78);
}

.check-list {
  display: grid;
  gap: 13px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.check-list li::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(236, 111, 90, 0.16);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.process-step {
  padding: 26px;
  border-left: 4px solid var(--coral);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 12px 32px rgba(17, 24, 39, 0.06);
}

.process-step span {
  color: var(--blue);
  font-weight: 800;
}

.process-step p {
  margin: 12px 0 0;
  color: var(--muted);
}

.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 76px clamp(18px, 6vw, 80px);
  color: var(--white);
  background:
    linear-gradient(120deg, rgba(15, 110, 140, 0.96), rgba(31, 138, 112, 0.92)),
    url("https://images.unsplash.com/photo-1556761175-b413da4baf72?auto=format&fit=crop&w=1800&q=85") center / cover;
}

.cta-band h2 {
  max-width: 800px;
  font-size: clamp(1.9rem, 4vw, 3.3rem);
}

.cta-band .eyebrow {
  color: rgba(255, 255, 255, 0.76);
}

.contact-section {
  align-items: stretch;
}

.contact-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
  color: var(--blue-dark);
  font-weight: 700;
}

.contact-list address {
  max-width: 430px;
  font-style: normal;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 28px;
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--blue-dark);
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 15px;
  color: var(--ink);
  background: #fbfaf7;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.site-footer {
  display: grid;
  grid-template-columns: 1.2fr auto auto;
  gap: 28px;
  align-items: center;
  padding: 34px clamp(18px, 5vw, 70px);
  color: rgba(255, 255, 255, 0.76);
  background: #091f28;
}

.site-footer .brand {
  color: var(--white);
}

.site-footer p {
  margin: 12px 0 0;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-weight: 700;
}

.copyright {
  text-align: right;
}

.to-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 20;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: var(--radius);
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 14px 32px rgba(17, 24, 39, 0.22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

@media (min-width: 980px) {
  .hero-content {
    width: min(1180px, calc(100% - 68px));
  }
}

@media (max-width: 1020px) {
  .service-grid,
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-section,
  .intro-grid,
  .section-heading,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }

  .copyright {
    text-align: left;
  }
}

@media (max-width: 740px) {
  .site-header {
    padding: 12px 18px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    inset: 70px 18px auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.98);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

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

  .nav-links a {
    padding: 14px;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-overlay {
    background: linear-gradient(0deg, rgba(7, 35, 44, 0.88), rgba(7, 35, 44, 0.38));
  }

  .hero-content {
    padding-bottom: 58px;
  }

  .hero-actions,
  .cta-band {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button,
  .cta-band .button {
    width: 100%;
  }

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

  .section {
    padding-top: 70px;
    padding-bottom: 70px;
  }

  .split-section {
    min-height: 0;
  }

  .split-image {
    min-height: 310px;
  }
}