/* ==========================================================================
   Occasus Solaris — brand palette drawn from the logo
   ========================================================================== */
:root {
  --navy: #2c3a57;
  --navy-dark: #222e46;
  --navy-deep: #1a2335;
  --red: #b23341;
  --red-dark: #9c2c38;
  --off-white: #e9ecf1;
  --grey: #9aa3b2;
  --white: #ffffff;

  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1140px;
  --transition: 0.3s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--navy-dark);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(var(--container), 92%);
  margin-inline: auto;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  padding: 1rem 0;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
}

.site-header.scrolled {
  background: rgba(34, 46, 70, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
  padding: 0.5rem 0;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(233, 236, 241, 0.4);
}

.nav-wordmark {
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.95rem;
  color: var(--off-white);
}

.nav-links {
  display: flex;
  gap: 2.25rem;
  list-style: none;
}

.nav-links a {
  color: var(--off-white);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0;
  height: 2px;
  background: var(--red);
  transition: width var(--transition);
}

.nav-links a:hover::after { width: 100%; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 26px;
  height: 2px;
  background: var(--off-white);
  transition: transform var(--transition), opacity var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background:
    url("../bg_occasus-solaris.png") center / cover no-repeat,
    var(--navy-deep);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(26, 35, 53, 0.55) 0%,
    rgba(26, 35, 53, 0.35) 45%,
    rgba(26, 35, 53, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  padding-top: 4rem;
}

.hero-kicker {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--off-white);
  opacity: 0.85;
  animation: fadeUp 0.9s ease both;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.6rem, 9vw, 6.5rem);
  line-height: 1.05;
  margin: 1rem 0 1.25rem;
  letter-spacing: 0.04em;
  animation: fadeUp 0.9s ease 0.15s both;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.2vw, 1.3rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  opacity: 0.9;
  animation: fadeUp 0.9s ease 0.3s both;
}

.hero-actions {
  margin-top: 2.5rem;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeUp 0.9s ease 0.45s both;
}

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll-chevron {
  display: block;
  width: 18px;
  height: 18px;
  border-right: 2px solid rgba(255, 255, 255, 0.7);
  border-bottom: 2px solid rgba(255, 255, 255, 0.7);
  transform: rotate(45deg);
  animation: bob 1.8s ease-in-out infinite;
}

@keyframes bob {
  0%, 100% { transform: rotate(45deg) translate(0, 0); }
  50% { transform: rotate(45deg) translate(6px, 6px); }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 0.85rem 2.2rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-radius: 3px;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), transform var(--transition);
}

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

.btn-primary {
  background: var(--red);
  color: var(--white);
}

.btn-primary:hover { background: #9c2c38; }

.btn-ghost {
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: var(--white);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--white);
}

.btn-lg {
  padding: 1.05rem 2.8rem;
  font-size: 0.9rem;
  text-transform: none;
  letter-spacing: 0.06em;
}

/* ===== Sections (shared) ===== */
.section { padding: 6.5rem 0; }

.section-kicker {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0.85rem;
}

.section-kicker.light { color: #e08894; }

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 4.5vw, 3.2rem);
  line-height: 1.15;
  color: var(--navy-dark);
}

.section-title.light { color: var(--white); }

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.section-lead {
  margin-top: 1rem;
  color: var(--grey);
  font-size: 1.05rem;
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 4.5rem;
  align-items: center;
}

.about-text .section-title { margin-bottom: 1.5rem; }

.about-text p {
  color: #5a6478;
  margin-bottom: 1.2rem;
  max-width: 56ch;
}

.about-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2.5rem;
}

.stat { text-align: left; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 600;
  color: var(--red);
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}

.about-visual { display: flex; justify-content: center; }

.about-logo {
  width: min(340px, 100%);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(34, 46, 70, 0.35);
}

/* ===== Companies ===== */
.companies { background: var(--off-white); }

.company-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.company-card {
  background: var(--white);
  border-radius: 10px;
  padding: 2.75rem 2.25rem;
  display: flex;
  flex-direction: column;
  border-top: 4px solid var(--navy);
  box-shadow: 0 6px 24px rgba(34, 46, 70, 0.08);
  transition: transform var(--transition), box-shadow var(--transition),
    border-color var(--transition);
}

.company-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 44px rgba(34, 46, 70, 0.16);
  border-top-color: var(--red);
}

.company-icon {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(178, 51, 65, 0.1);
  color: var(--red);
  margin-bottom: 1.5rem;
}

.company-icon svg { width: 28px; height: 28px; }

.company-name {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 600;
  color: var(--navy-dark);
}

.company-tag {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
  margin: 0.35rem 0 1.1rem;
}

.company-desc {
  color: #5a6478;
  font-size: 0.95rem;
  flex-grow: 1;
}

.company-link {
  margin-top: 1.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--navy);
  transition: color var(--transition), gap var(--transition);
}

.company-link svg { width: 15px; height: 15px; }

.company-link:hover { color: var(--red); gap: 0.65rem; }

/* ===== Contact ===== */
.contact {
  background:
    linear-gradient(rgba(34, 46, 70, 0.93), rgba(26, 35, 53, 0.96)),
    url("../bg_occasus-solaris.png") center / cover no-repeat fixed;
}

.contact-inner {
  text-align: center;
  max-width: 620px;
}

.contact-lead {
  color: rgba(233, 236, 241, 0.85);
  margin: 1.25rem 0 2.25rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--navy-deep);
  padding: 2.5rem 0;
  color: var(--grey);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.footer-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.footer-wordmark {
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--off-white);
}

.footer-links {
  display: flex;
  gap: 1.75rem;
  list-style: none;
}

.footer-links a {
  font-size: 0.82rem;
  transition: color var(--transition);
}

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

.footer-copy { font-size: 0.78rem; }

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-visual { order: -1; }

  .about-logo { width: min(260px, 70%); }

  .company-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(26, 35, 53, 0.98);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition);
  }

  .nav-links.open { max-height: 260px; }

  .nav-links li { text-align: center; }

  .nav-links a {
    display: block;
    padding: 1rem;
  }

  .nav-links a::after { display: none; }

  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .section { padding: 4.5rem 0; }

  .about-stats { gap: 2rem; }

  .contact { background-attachment: scroll; }

  .footer-grid { justify-content: center; text-align: center; }
}