* {
  box-sizing: border-box;
}

:root {
  --ink: #142124;
  --muted: #617174;
  --line: #dbe4e2;
  --paper: #f7f4ed;
  --surface: #ffffff;
  --deep: #102022;
  --teal: #1f4f7a;
  --teal-light: #7fa8c9;
  --gold: #c99a45;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Noto Sans Greek", Arial, Helvetica, sans-serif;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 34px;
  color: #ffffff;
  background: linear-gradient(180deg, rgba(9, 18, 20, 0.84), rgba(9, 18, 20, 0));
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(100, 227, 210, 0.2);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  content: "";
  position: absolute;
  border-radius: 2px;
  background: #ffffff;
}

.brand-mark::before {
  width: 18px;
  height: 3px;
  transform: translateY(-7px);
}

.brand-mark::after {
  width: 18px;
  height: 3px;
  transform: translateY(7px);
}

.brand-mark span {
  width: 3px;
  height: 24px;
  background: var(--teal-light);
}

.brand-name {
  font-size: 15px;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 14px;
  font-weight: 800;
}

nav a {
  padding: 8px 0;
}

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

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 14, 16, 0.9), rgba(7, 14, 16, 0.62) 44%, rgba(7, 14, 16, 0.2)),
    linear-gradient(0deg, rgba(7, 14, 16, 0.88), rgba(7, 14, 16, 0.08) 52%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(860px, calc(100% - 48px));
  padding: 0 0 78px 34px;
}

.eyebrow,
.section-label {
  margin: 0 0 12px;
  color: var(--teal-light);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 20px;
  max-width: 780px;
  font-size: clamp(48px, 8.6vw, 112px);
  line-height: 0.94;
}

.hero-content p:not(.eyebrow) {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.9);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.58;
}

.section {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 88px 0;
}

.intro-section,
.proof-section,
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 58px;
  align-items: start;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(32px, 4.8vw, 56px);
  line-height: 1.06;
}

.intro-section > p,
.proof-copy + .proof-list,
.contact-box {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.72;
}

.section-heading {
  max-width: 820px;
  margin-bottom: 30px;
}

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

.service-grid article,
.steps article {
  position: relative;
  min-height: 280px;
  padding: 24px;
  border: 1px solid rgba(20, 33, 36, 0.1);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 18px 44px rgba(18, 32, 34, 0.08);
}

.service-grid article::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border-top: 3px solid var(--teal);
  pointer-events: none;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 58px;
  border-radius: 8px;
  background: #e8f7f4;
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.18;
}

article p {
  margin-bottom: 0;
  color: #5f6f72;
  line-height: 1.58;
}

.approach-section {
  width: 100%;
  max-width: none;
  padding: 94px max(20px, calc((100vw - 1160px) / 2));
  background:
    linear-gradient(135deg, rgba(15, 159, 140, 0.2), rgba(15, 159, 140, 0) 36%),
    var(--deep);
  color: #ffffff;
}

.approach-section .section-heading {
  max-width: 860px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.steps article {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: none;
}

.step-mark {
  display: inline-flex;
  margin-bottom: 40px;
  color: var(--teal-light);
  font-size: 13px;
  font-weight: 900;
}

.steps article p {
  color: rgba(255, 255, 255, 0.74);
}

.proof-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.proof-list p {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: #263839;
  font-weight: 800;
}

.proof-list p::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--gold);
}

.contact-section {
  margin-bottom: 34px;
  padding: 54px;
  border: 1px solid rgba(20, 33, 36, 0.08);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 20px 50px rgba(18, 32, 34, 0.08);
}

.contact-box {
  align-self: center;
}

.contact-box p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.contact-box a {
  color: #1f4f7a;
  font-weight: 900;
}

address {
  color: #263839;
  font-style: normal;
  line-height: 1.8;
}

.site-footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 34px;
  color: #6c797b;
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 20px;
  }

  nav {
    flex-wrap: wrap;
    gap: 14px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    width: min(100% - 32px, 860px);
    padding: 0 0 58px 16px;
  }

  .intro-section,
  .proof-section,
  .contact-section,
  .service-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .service-grid article,
  .steps article {
    min-height: 0;
  }

  .service-icon {
    margin-bottom: 26px;
  }
}

@media (max-width: 560px) {
  .site-header {
    gap: 12px;
  }

  .brand-name {
    font-size: 14px;
  }

  nav {
    font-size: 13px;
  }

  .hero {
    min-height: 680px;
  }

  .section {
    width: min(100% - 28px, 1160px);
    padding: 58px 0;
  }

  .proof-list {
    grid-template-columns: 1fr;
  }

  .contact-section {
    padding: 28px 18px;
  }

  .site-footer {
    width: min(100% - 28px, 1160px);
  }
}