:root {
  --bg: #f3f8fd;
  --surface: #ffffff;
  --brand: #0f4ea1;
  --brand-2: #17a9da;
  --ink: #11243a;
  --muted: #5b6f87;
  --ring: rgba(23, 169, 218, 0.35);
  --shadow: 0 18px 40px rgba(15, 44, 89, 0.12);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Barlow", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #eef6fc 0%, #f8fbff 48%, #eef7ff 100%);
  scroll-behavior: smooth;
}

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

.container {
  width: min(1150px, 92vw);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(17, 36, 58, 0.1);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 10px 0;
}

.brand img {
  width: 110px;
  max-width: 26vw;
}

#mainNav {
  display: flex;
  gap: 18px;
}

#mainNav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}

#mainNav a:hover {
  color: var(--brand);
}

.menu-btn {
  display: none;
  width: 42px;
  height: 38px;
  border: 1px solid rgba(17, 36, 58, 0.2);
  background: #fff;
  border-radius: 10px;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: #16365c;
  border-radius: 2px;
}

.menu-icon {
  position: relative;
}

.menu-icon::before {
  position: absolute;
  top: -6px;
}

.menu-icon::after {
  position: absolute;
  top: 6px;
}

.hero {
  position: relative;
  min-height: 75vh;
  background: url("assets/pdf-pages/kosmo_page_1.png") center/cover no-repeat;
  display: grid;
  place-items: center;
}

.overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(6, 24, 57, 0.82), rgba(6, 24, 57, 0.35));
}

.hero-content {
  position: relative;
  color: #fff;
  padding: 100px 0;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #92dffe;
}

h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3.5rem);
  line-height: 1.1;
}

.hero p {
  font-size: clamp(1rem, 1.8vw, 1.22rem);
  line-height: 1.6;
  color: #edf5ff;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.btn {
  border-radius: 12px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  box-shadow: var(--shadow);
}

.btn.ghost {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  background: transparent;
}

.btn.ghost.dark {
  border-color: rgba(17, 36, 58, 0.35);
  color: #13345a;
  background: #fff;
}

.section {
  padding: 76px 0;
}

.grid.two {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

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

.split-gap {
  gap: 22px;
}

.top-gap {
  margin-top: 26px;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(1.5rem, 2.2vw, 2.2rem);
  color: #0b3268;
}

h3 {
  margin: 0 0 10px;
  color: #0a3f7e;
}

p {
  line-height: 1.7;
  color: var(--muted);
}

.image-card,
.form-card {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(16, 51, 106, 0.08);
}

.image-card {
  overflow: hidden;
}

.left-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.values {
  background: linear-gradient(180deg, #ecf6ff 0%, #f7fbff 100%);
}

.stacked-splits {
  display: grid;
  gap: 14px;
}

.sub-block {
  padding: 0 0 10px;
}

ul {
  margin: 0;
  padding-left: 20px;
  color: #314861;
  line-height: 1.6;
}

.contact .lead {
  margin-top: -2px;
  font-size: 1.12rem;
}

.contact-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 9px;
}

.contact-list a {
  color: var(--brand);
}

.form-card {
  padding: 22px;
  display: grid;
  gap: 8px;
}

.form-card h3 {
  margin: 0 0 4px;
}

input,
textarea {
  border: 1px solid #c7d6ea;
  border-radius: 10px;
  padding: 12px;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 3px solid var(--ring);
  border-color: var(--brand-2);
}

.full {
  width: 100%;
}

.form-card small {
  color: #537092;
}

.site-footer {
  background: #082e5f;
  color: #dbe7f7;
  padding: 26px 0;
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-wrap img {
  width: 220px;
  background: #f4f8fd;
  border-radius: 10px;
  padding: 6px;
}

@media (max-width: 980px) {
  .grid.two {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .menu-btn {
    display: inline-flex;
  }

  #mainNav {
    position: absolute;
    right: 4vw;
    top: 74px;
    background: #fff;
    border: 1px solid rgba(17, 36, 58, 0.14);
    border-radius: 10px;
    padding: 10px;
    display: none;
    flex-direction: column;
  }

  #mainNav.open {
    display: flex;
  }

  .hero-content {
    padding: 76px 0;
  }

  .footer-wrap {
    flex-direction: column;
    text-align: center;
  }
}