AICertification/app/flask-postgres/styles/site.css

/* =========================
   RESET & BASE
========================= */

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: linear-gradient(180deg, #07192d 0%, #102a45 100%);
  color: #ffffff;
  min-height: 100vh;
}

/* =========================
   HEADER
========================= */

.site-header {
  background: rgba(4, 18, 33, 0.96);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* =========================
   LOGO
========================= */

.site-logo {
  height: 60px;
  width: auto;
  display: block;
}

/* =========================
   NAVIGATION
========================= */

.top-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-nav a {
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;

  padding: 10px 18px;
  border-radius: 999px;
  display: inline-block;

  min-width: 110px;        /* verhindert Springen */
  text-align: center;

  transition: background 0.2s ease;
}

.top-nav a:hover,
.top-nav a.active {
  background: #376da6;
}

.user-box {
  font-weight: 700;
  padding: 10px 12px;
}

/* =========================
   MAIN CONTENT
========================= */

.content-area {
  padding: 40px 20px;
}

.content-box {
  max-width: 1200px;
  margin: 0 auto;

  background: #ffffff;
  color: #1b2430;

  border-radius: 16px;
  padding: 32px;

  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
}

/* =========================
   HEADINGS
========================= */

h1, h2, h3 {
  color: #0d2f57;
  margin-top: 0;
}

p {
  color: #2f3b4a;
}

/* =========================
   HERO
========================= */

.hero-box {
  margin-bottom: 30px;
}

/* =========================
   PRICING
========================= */

.pricing-section {
  margin-bottom: 30px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.price-card {
  background: #ffffff;
  border: 1px solid #dce3ea;
  border-radius: 16px;
  padding: 24px;

  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
}

.price-card.featured {
  border: 2px solid #1d66b2;
  background: #f5f9ff;
}

.price-card h3 {
  color: #0d2f57;
}

.price-subline {
  color: #526172;
  min-height: 48px;
}

.price-value {
  font-size: 30px;
  font-weight: 800;
  color: #125eb0;
  margin: 18px 0;
}

.price-value span {
  font-size: 14px;
  color: #526172;
}

.price-card ul {
  padding-left: 20px;
}

.price-card li {
  margin-bottom: 8px;
  color: #2f3b4a;
}

/* =========================
   BUTTONS
========================= */

.btn-primary {
  display: inline-block;
  margin-top: 12px;

  padding: 10px 16px;
  border-radius: 8px;

  background: #125eb0;
  color: #ffffff;

  text-decoration: none;
  font-weight: 600;
}

/* =========================
   IMAGE PANEL
========================= */

.image-panel img {
  width: 100%;
  border-radius: 12px;
}

/* =========================
   TWO COLUMN LAYOUT
========================= */

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 24px;
  align-items: center;
}

/* =========================
   MODULES
========================= */

.module-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.module-block {
  background: #f8fbff;
  border: 1px solid #dce3ea;
  border-radius: 16px;
  padding: 24px;
}

.module-block h3 {
  color: #7f9cc0;
}

.module-result {
  font-weight: 800;
  color: #125eb0;
  margin-bottom: 10px;
}

.module-block li {
  color: #2f3b4a;
}

/* =========================
   LOGIN
========================= */

.login-box {
  max-width: 600px;
}

.intro-text {
  color: #526172;
}

.login-form .form-row {
  margin-bottom: 16px;
}

.login-form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #0d2f57;
}

.login-form input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #c9d2db;
}

.error-box {
  background: #ffe7e7;
  color: #8d1d1d;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 16px;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 900px) {

  .pricing-grid,
  .module-blocks,
  .two-col {
    grid-template-columns: 1fr;
  }

  .top-nav a {
    min-width: auto;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

.info-section {
  margin-bottom: 30px;
}

.check-list {
  padding-left: 20px;
}

.check-list li {
  margin-bottom: 8px;
}