/* 
  Sthenos-ML Placeholder Landing
  Static HTML/CSS project for Cloudflare Pages.
  Replace assets/sthenos-logo.svg with the final SVG logo, 400x400px recommended.
*/

:root {
  --green-950: #071f19;
  --green-900: #0f3328;
  --green-800: #174838;
  --green-700: #21604b;
  --gray-950: #111514;
  --gray-800: #2b302e;
  --gray-600: #59615d;
  --gray-200: #d9dfdc;
  --gray-100: #eef2ef;
  --white: #ffffff;

  --max-width: 1120px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow-soft: 0 24px 80px rgba(7, 31, 25, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--gray-100);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Libre Baskerville", Georgia, serif;
  color: var(--gray-950);
  background: var(--gray-100);
}

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

.page-shell {
  width: min(var(--max-width), calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 58px;
  height: 58px;
  object-fit: contain;
  display: block;
}

.brand-name {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--green-950);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--green-800);
  color: var(--green-900);
  background: var(--white);
  border-radius: 999px;
  padding: 10px 14px;
  font-size: 0.78rem;
  line-height: 1;
  white-space: nowrap;
}

.section-block {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero {
  min-height: 560px;
  display: grid;
  align-content: center;
  padding: clamp(36px, 7vw, 84px);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 2px solid var(--green-900);
  border-radius: calc(var(--radius-lg) - 10px);
  pointer-events: none;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green-700);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  margin-bottom: 20px;
  font-size: clamp(2.4rem, 7vw, 5.8rem);
  line-height: 0.98;
  letter-spacing: -0.06em;
  color: var(--green-950);
}

.hero-copy,
.editable-copy {
  max-width: 720px;
  color: var(--gray-600);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 48px;
  border-radius: 999px;
  padding: 14px 20px;
  font-size: 0.92rem;
  font-weight: 700;
  border: 1px solid transparent;
}

.button-primary {
  background: var(--green-900);
  color: var(--white);
  border-color: var(--green-900);
}

.button-secondary {
  background: var(--white);
  color: var(--green-900);
  border-color: var(--green-800);
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 18px 0;
}

.info-card {
  min-height: 280px;
  padding: 28px;
  background: var(--green-950);
  color: var(--white);
  border-radius: var(--radius-md);
}

.info-card:nth-child(2) {
  background: var(--green-900);
}

.info-card:nth-child(3) {
  background: var(--gray-800);
}

.section-number {
  display: inline-block;
  margin-bottom: 42px;
  color: var(--gray-200);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
}

.info-card h2 {
  margin-bottom: 14px;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.15;
}

.rich-text-zone {
  color: var(--gray-100);
  font-size: 0.95rem;
  line-height: 1.8;
}

.rich-text-zone p:last-child {
  margin-bottom: 0;
}

.closing-section {
  padding: clamp(32px, 5vw, 54px);
}

.closing-section h2 {
  max-width: 780px;
  margin-bottom: 16px;
  color: var(--green-950);
  font-size: clamp(1.8rem, 4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.site-footer {
  padding-top: 24px;
  color: var(--gray-600);
  font-size: 0.78rem;
  text-align: center;
}

/* Visual hint while editing directly in browser */
[contenteditable="true"]:focus {
  outline: 2px dashed var(--green-700);
  outline-offset: 6px;
  border-radius: 8px;
}

/* Responsive */
@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    min-height: 520px;
    padding: 42px 28px;
  }

  .hero::before {
    inset: 14px;
  }

  .section-grid {
    grid-template-columns: 1fr;
  }

  .info-card {
    min-height: auto;
  }

  .section-number {
    margin-bottom: 28px;
  }
}

@media (max-width: 520px) {
  .page-shell {
    width: min(100% - 22px, var(--max-width));
    padding-top: 16px;
  }

  .brand-logo {
    width: 48px;
    height: 48px;
  }

  .button {
    width: 100%;
  }
}