/* infralegem.ch — Corporate Design System
   Source of truth: /data/corporate-design.yaml
   ========================================== */

/* Self-hosted Domine variable font */
@font-face {
  font-family: 'Domine';
  src: url('../fonts/Domine-VariableFont_wght.ttf') format('truetype');
  font-weight: 400 700;
  font-display: swap;
}

:root {
  /* Core brand colors */
  --color-black: #000000;
  --color-near-black: #F0EFE9;
  --color-dark-gray: #333333;
  --color-navy: #1B2A4A;  /* dark navy — body text, headings */
  --color-medium-gray: #A6A6A6;
  --color-light-gray: #C3C3C3;
  --color-lighter-gray: #D8D8D8;
  --color-border: #E5E7EB;
  --color-bg: #FAFAF8;
  --color-white: #FFFFFF;

  /* Accent (warm yellow — derived from Neon Gelb, adjusted for visibility) */
  --color-accent: #E8D832;

  /* Semantic aliases */
  --color-primary: var(--color-navy);
  --color-text: var(--color-navy);
  --color-text-light: #4A5568;
  --color-text-muted: var(--color-light-gray);

  /* STABILO Neon Highlighter accents */
  --hl-gelb: #F8FC46;
  --hl-blau: #3CBEFC;
  --hl-gruen: #77E68A;
  --hl-lila: #5E27C0;
  --hl-orange: #FFAD2A;
  --hl-pink: #FB83B3;

  /* Highlighter opacities */
  --hl-gelb-alpha: rgba(248, 252, 70, 0.45);
  --hl-blau-alpha: rgba(60, 190, 252, 0.35);
  --hl-gruen-alpha: rgba(119, 230, 138, 0.40);
  --hl-lila-alpha: rgba(94, 39, 192, 0.30);
  --hl-orange-alpha: rgba(255, 173, 42, 0.40);
  --hl-pink-alpha: rgba(251, 131, 179, 0.35);

  /* Typography */
  --font-heading: 'Domine', Georgia, 'Times New Roman', serif;
  --font-body: Arial, Helvetica, sans-serif;
  --font-serif: 'Domine', Georgia, 'Times New Roman', serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --nav-height: 64px;

  /* Transitions */
  --transition: 200ms ease;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-navy);
}

h1 { font-size: 2.5rem; line-height: 1.15; letter-spacing: 0.02em; }
h2 { font-size: 1.875rem; line-height: 1.2; letter-spacing: 0.02em; }
h3 { font-size: 1.25rem; line-height: 1.3; letter-spacing: 0.01em; }
h4 { font-size: 1.125rem; font-weight: 500; line-height: 1.3; }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
}

.caption {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-black);
}

/* ============================================
   CUSTOM UNDERLINES
   Baseline-positioned gradients that don't
   cut through descenders.
   ============================================ */
.underline {
  background-image: linear-gradient(var(--color-medium-gray), var(--color-medium-gray));
  background-size: 100% 2px;
  background-position: 0 90%;
  background-repeat: no-repeat;
  padding-bottom: 2px;
}

.underline:hover {
  background-image: linear-gradient(currentColor, currentColor);
}

/* Accent underline — warm yellow, main UI accent */
.underline--accent {
  background-image: linear-gradient(var(--color-accent), var(--color-accent));
}

.underline--gelb {
  background-image: linear-gradient(var(--hl-gelb), var(--hl-gelb));
}

.underline--blau {
  background-image: linear-gradient(var(--hl-blau), var(--hl-blau));
}

.underline--gruen {
  background-image: linear-gradient(var(--hl-gruen), var(--hl-gruen));
}

.underline--lila {
  background-image: linear-gradient(var(--hl-lila), var(--hl-lila));
}

.underline--orange {
  background-image: linear-gradient(var(--hl-orange), var(--hl-orange));
}

.underline--pink {
  background-image: linear-gradient(var(--hl-pink), var(--hl-pink));
}

/* ============================================
   STABILO HIGHLIGHTER EFFECTS
   Semi-transparent backgrounds simulating
   hand-drawn neon highlighter markers on paper.
   ============================================ */
.hl-gelb {
  background: linear-gradient(
    -1deg,
    transparent 0%,
    var(--hl-gelb-alpha) 3%,
    var(--hl-gelb-alpha) 97%,
    transparent 100%
  );
  background-size: 100% 40%;
  background-position: 0 85%;
  background-repeat: no-repeat;
  padding: 0 0.15em;
}

.hl-blau {
  background: linear-gradient(
    -1deg,
    transparent 0%,
    var(--hl-blau-alpha) 3%,
    var(--hl-blau-alpha) 97%,
    transparent 100%
  );
  background-size: 100% 40%;
  background-position: 0 85%;
  background-repeat: no-repeat;
  padding: 0 0.15em;
}

.hl-gruen {
  background: linear-gradient(
    -1deg,
    transparent 0%,
    var(--hl-gruen-alpha) 3%,
    var(--hl-gruen-alpha) 97%,
    transparent 100%
  );
  background-size: 100% 40%;
  background-position: 0 85%;
  background-repeat: no-repeat;
  padding: 0 0.15em;
}

.hl-lila {
  background: linear-gradient(
    -1deg,
    transparent 0%,
    var(--hl-lila-alpha) 3%,
    var(--hl-lila-alpha) 97%,
    transparent 100%
  );
  background-size: 100% 40%;
  background-position: 0 85%;
  background-repeat: no-repeat;
  padding: 0 0.15em;
}

.hl-orange {
  background: linear-gradient(
    -1deg,
    transparent 0%,
    var(--hl-orange-alpha) 3%,
    var(--hl-orange-alpha) 97%,
    transparent 100%
  );
  background-size: 100% 40%;
  background-position: 0 85%;
  background-repeat: no-repeat;
  padding: 0 0.15em;
}

.hl-pink {
  background: linear-gradient(
    -1deg,
    transparent 0%,
    var(--hl-pink-alpha) 3%,
    var(--hl-pink-alpha) 97%,
    transparent 100%
  );
  background-size: 100% 40%;
  background-position: 0 85%;
  background-repeat: no-repeat;
  padding: 0 0.15em;
}

/* Full-coverage highlighter (block highlight) */
.hl-gelb--full { background: var(--hl-gelb-alpha); padding: 0.1em 0.25em; }
.hl-blau--full { background: var(--hl-blau-alpha); padding: 0.1em 0.25em; }
.hl-gruen--full { background: var(--hl-gruen-alpha); padding: 0.1em 0.25em; }
.hl-lila--full { background: var(--hl-lila-alpha); padding: 0.1em 0.25em; }
.hl-orange--full { background: var(--hl-orange-alpha); padding: 0.1em 0.25em; }
.hl-pink--full { background: var(--hl-pink-alpha); padding: 0.1em 0.25em; }

/* ============================================
   CONTAINER
   ============================================ */
.container {
  max-width: 794px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--color-near-black);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
  display: flex;
  align-items: center;
}

.nav .container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 794px;
}

.nav__logo {
  display: inline-flex;
  align-items: center;
  color: var(--color-navy);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color var(--transition);
  padding-bottom: 4px;
}

/* Match text logo x-height to hamburger icon height */
@media (max-width: 768px) {
  .nav__logo {
    font-size: 1.1rem;
  }
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.nav__links a {
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 500;
  padding-bottom: 4px;
  text-decoration: none;
}

/* Hamburger menu button (mobile) */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--color-navy);
  line-height: 1;
}

.nav__hamburger-icon {
  width: 22px;
  height: 22px;
}

@media (max-width: 860px) {
  .nav__hamburger {
    display: block;
  }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-near-black);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: var(--space-md) var(--space-lg);
    gap: var(--space-md);
    z-index: 100;
  }

  .nav__links.is-open {
    display: flex;
  }
}

/* ============================================
   HERO
   ============================================ */
.hero {
  margin-top: var(--nav-height);
  padding: var(--space-2xl) 0;
  background: var(--color-bg);
  color: var(--color-navy);
  text-align: center;
}

.hero h1 {
  color: var(--color-navy);
  margin-bottom: var(--space-md);
  font-size: 3rem;
}

.hero p {
  color: var(--color-text-light);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

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

.btn--primary:hover {
  background: var(--color-black);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-black);
  border: 2px solid var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-dark-gray);
  color: var(--color-black);
}

.btn--outline {
  background: transparent;
  color: var(--color-black);
  border: 2px solid var(--color-border);
}

.btn--outline:hover {
  border-color: var(--color-black);
}

/* ============================================
   SECTIONS
   ============================================ */
.section {
  padding: var(--space-xl) 0;
}

.section--alt {
  background: var(--color-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section__header p {
  max-width: 600px;
  margin: var(--space-md) auto 0;
}

/* ============================================
   CARDS
   ============================================ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.partner-grid {
  grid-template-columns: repeat(3, 1fr);
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: all var(--transition);
}

.card:hover {
  border-color: var(--color-medium-gray);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.card h3 {
  margin-bottom: var(--space-sm);
}

/* ============================================
   FORMS (docassemble overrides)
   ============================================ */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-dark-gray);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.6);
  padding: var(--space-xl) 0 var(--space-lg);
  font-size: 0.875rem;
}

.footer a {
  color: rgba(255, 255, 255, 0.8);
}

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

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-lg);
  text-align: center;
}

/* ============================================
   STATUS BADGES
   ============================================ */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge--live {
  background: var(--hl-gruen-alpha);
  color: #059669;
}

.badge--dev {
  background: var(--hl-gelb-alpha);
  color: #92400e;
}

.badge--planned {
  background: var(--hl-blau-alpha);
  color: #1e6091;
}

.badge--beta {
  background: var(--hl-gruen-alpha);
  color: #059669;
}

/* ============================================
   INFO BOXES
   Semantic callout boxes for contextual information.
   ============================================ */
.infobox {
  border-radius: 6px;
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  border-left: 4px solid var(--color-border);
  background: var(--color-white);
  font-size: 0.95rem;
}

.infobox p { margin-bottom: 0; }
.infobox strong { display: block; margin-bottom: var(--space-xs); }

.infobox--info {
  background: var(--hl-blau-alpha);
  border-color: var(--hl-blau);
  color: var(--color-text);
}

.infobox--success {
  background: var(--hl-gruen-alpha);
  border-color: var(--hl-gruen);
  color: var(--color-text);
}

.infobox--warning {
  background: var(--hl-gelb-alpha);
  border-color: var(--hl-gelb);
  color: var(--color-text);
}

.infobox--danger {
  background: var(--hl-pink-alpha);
  border-color: var(--hl-pink);
  color: var(--color-text);
}

/* ============================================
   ACCORDION CARDS
   Clickable cards that expand to show detail.
   ============================================ */
.accordion-card {
  cursor: pointer;
  position: relative;
}

.accordion-card__detail {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease, padding 300ms ease;
  padding: 0 0;
}

.accordion-card.is-open .accordion-card__detail {
  max-height: 400px;
  padding: var(--space-md) 0 0;
}

.accordion-card__toggle {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-light);
  margin-top: var(--space-sm);
  transition: color var(--transition);
}

.accordion-card:hover .accordion-card__toggle {
  color: var(--color-navy);
}

/* ============================================
   PROCESS VISUALIZATION
   Horizontal 3-step stepper with CSS Grid.
   Steps sit in row 1 across 3 columns.
   Detail panels span all columns in row 2.
   ============================================ */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0 var(--space-lg);
}

.process__step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  cursor: pointer;
  padding: var(--space-md) var(--space-sm);
  border-radius: 8px;
  transition: background var(--transition);
}

.process__step:hover {
  background: rgba(0, 0, 0, 0.02);
}

.process__step.is-active {
  background: rgba(0, 0, 0, 0.03);
}

/* Connector line between step circles */
.process__step:not(:first-child)::before {
  content: '';
  position: absolute;
  top: calc(var(--space-md) + 18px); /* center of circle */
  right: calc(50% + 24px); /* from edge of circle */
  left: calc(-50% + 24px - var(--space-lg)); /* to previous circle, accounting for gap */
  height: 2px;
  background: var(--color-border);
}

.process__number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  transition: transform var(--transition), box-shadow var(--transition);
}

.process__step.is-active .process__number {
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(27, 42, 74, 0.25);
}

.process__title {
  margin-top: var(--space-md);
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
  min-height: 2.6em;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.process__desc {
  font-size: 0.9rem;
  color: var(--color-text-light);
  flex: 1;
}


.process__link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.process__link--gruen { color: #059669; text-decoration-color: var(--hl-gruen); }
.process__link--gelb { color: #92400e; text-decoration-color: var(--hl-gelb); }
.process__link--blau { color: #1e6091; text-decoration-color: var(--hl-blau); }
.process__link--lila { color: var(--hl-lila); text-decoration-color: var(--hl-lila); }

.process__btn {
  min-width: 120px;
  text-align: center;
  justify-content: center;
}

/* Detail panel — spans full width below all 3 steps */
.process__detail {
  grid-column: 1 / -1;
  display: none;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  margin-top: var(--space-sm);
  animation: processFadeIn 250ms ease;
}

.process__detail.is-visible {
  display: block;
}

@keyframes processFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Pricing table */
.process__pricing {
  grid-column: 1 / -1;
  margin-top: var(--space-lg);
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-md);
}

.pricing-table th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  padding: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
}

.pricing-table th:last-child {
  text-align: right;
}

.pricing-table tr {
  border-bottom: 1px solid var(--color-border);
}

.pricing-table td {
  padding: var(--space-md) var(--space-sm);
  vertical-align: baseline;
}

.pricing-table__name {
  font-weight: 700;
  white-space: nowrap;
  width: 20%;
}

.pricing-table__name sup {
  font-size: 0.7em;
  color: var(--color-medium-gray);
}

.pricing-table__desc {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.pricing-table__price {
  text-align: right;
  font-weight: 700;
  white-space: nowrap;
  width: 20%;
  font-variant-numeric: tabular-nums;
}

.pricing-table__notes {
  font-size: 0.75rem;
  color: var(--color-medium-gray);
  line-height: 1.6;
}

.pricing-table__notes p {
  margin-bottom: var(--space-xs);
}

.pricing-table__notes sup {
  font-weight: 600;
  color: var(--color-medium-gray);
}

.pricing-table__excl {
  margin-top: var(--space-sm);
  font-size: 0.7rem;
  color: var(--color-light-gray);
}

.pricing-table__excl a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  .hero h1 { font-size: 2.25rem; }
  .hero { padding: var(--space-xl) 0; }
  .footer__grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: 1fr !important; }

  .process {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .process__step {
    display: grid;
    grid-template-columns: 36px 1fr;
    grid-template-rows: auto auto;
    text-align: left;
    align-items: start;
    gap: 0 var(--space-md);
    padding: var(--space-lg) var(--space-sm);
  }
  .process__number {
    grid-row: 1 / -1;
    align-self: center;
    margin-top: 0;
  }
  .process__title {
    margin-top: 0;
    min-height: unset;
    justify-content: flex-start;
  }
  .process__desc {
    grid-column: 2;
  }
  .process__step:not(:first-child)::before {
    /* Vertical connector on mobile */
    top: 0;
    height: var(--space-lg);
    left: calc(var(--space-sm) + 17px); /* center of 36px circle */
    right: auto;
    width: 2px;
  }
  .pricing-table thead {
    display: none;
  }
  .pricing-table td {
    display: block;
    padding: var(--space-xs) var(--space-sm);
  }
  .pricing-table tr {
    padding: var(--space-sm) 0;
    display: block;
  }
  .pricing-table__price {
    text-align: left;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 1.75rem; }
  .hero h1 { font-size: 1.75rem; }
  .container { padding: 0 var(--space-md); }
}