/* ELtender landing — brand tokens from ELBAGAR brandbook (CLAUDE.md §12) */

@font-face {
  font-family: "Montserrat";
  src: url("fonts/Montserrat-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("fonts/Montserrat-Medium.ttf") format("truetype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("fonts/Montserrat-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Montserrat";
  src: url("fonts/Montserrat-Bold.ttf") format("truetype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --color-primary: #1FB886;
  --color-primary-hover: #06A06E;
  --color-on-primary: #04332B;

  --color-graphite: #1E2A32;
  --color-graphite-2: #2A3942;
  --color-graphite-3: #3C4A55;

  --color-light: #DEF3EC;
  --color-light-2: #EBF8F2;

  --color-muted: #6B7772;
  --color-muted-2: #9AA5A0;

  --color-line: #E4E8E6;
  --color-line-2: #EEF1EF;

  --bg-soft: #F5F7F6;
  --bg-soft-2: #F9FAF9;
  --bg-white: #FFFFFF;

  --color-danger: #E0533F;
  --color-warning: #E0A93F;
  --color-info: #3F7BE0;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;

  --shadow-sm: 0 1px 2px rgba(30, 42, 50, .06);
  --shadow-md: 0 4px 16px rgba(30, 42, 50, .06);
  --shadow-lg: 0 12px 32px rgba(30, 42, 50, .10);

  --content-max: 1120px;

  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg-white);
  color: var(--color-graphite);
  font-family: "Montserrat", "Helvetica Neue", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

.container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-graphite);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  z-index: 1000;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
}

/* Focus styles */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary-hover);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Header */
.site-header {
  padding: 24px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-mark {
  width: 32px;
  height: 32px;
  flex: none;
}
.logo-word {
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 20px;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.logo-word .el {
  color: var(--color-primary);
}
.logo-word .tender {
  color: var(--color-graphite);
}
.header-tag {
  font-size: 13px;
  color: var(--color-graphite-3);
  font-weight: 500;
}

/* Sections */
section {
  padding: 64px 0;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-on-primary);
  background: var(--color-light-2);
  padding: 6px 14px;
  border-radius: var(--radius-xl);
  margin-bottom: 16px;
}

h1, h2, h3 {
  font-family: "Montserrat", sans-serif;
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 16px;
  color: var(--color-graphite);
}

h1 {
  font-size: clamp(32px, 5vw, 48px);
  max-width: 18ch;
}

h2 {
  font-size: clamp(26px, 3.4vw, 34px);
}

h3 {
  font-size: 19px;
  font-weight: 600;
}

p {
  margin: 0 0 16px;
}

.lede {
  font-size: 18px;
  color: var(--color-graphite-3);
  max-width: 62ch;
}

.section-head {
  max-width: 720px;
  margin: 0 0 40px;
}

.section-head p {
  color: var(--color-graphite-3);
  font-size: 16px;
}

/* Hero */
.hero {
  padding: 56px 0 72px;
  background: linear-gradient(180deg, var(--bg-soft-2) 0%, var(--bg-white) 100%);
}
.hero-inner {
  max-width: 760px;
}
.hero-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}
.hero-logo .logo-mark {
  width: 44px;
  height: 44px;
}
.hero-logo .logo-word {
  font-size: 24px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 16px;
  margin-top: 32px;
}

.cta-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-family: "Montserrat", sans-serif;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  padding: 14px 26px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, box-shadow .15s ease;
  box-shadow: var(--shadow-sm);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--bg-white);
  color: var(--color-graphite);
  border: 1px solid var(--color-line);
}
.btn-secondary:hover {
  border-color: var(--color-graphite-3);
  box-shadow: var(--shadow-md);
}

.btn[aria-disabled="true"] {
  background: var(--bg-soft);
  color: var(--color-graphite-3);
  border: 1px solid var(--color-line);
  cursor: not-allowed;
  box-shadow: none;
  pointer-events: none;
}

.btn-version {
  font-size: 13px;
  color: var(--color-graphite-3);
  font-weight: 500;
}

.btn-note {
  font-size: 13px;
  color: var(--color-graphite-3);
  max-width: 34ch;
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-soft-2);
  border: 1px solid var(--color-line-2);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-light-2);
  color: var(--color-primary-hover);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 16px;
}

.step-card p {
  color: var(--color-graphite-3);
  font-size: 15px;
  margin-bottom: 0;
}

/* Features */
.features-section {
  background: var(--bg-soft);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--color-line-2);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-light-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--color-primary-hover);
}

.feature-card p {
  color: var(--color-graphite-3);
  font-size: 14.5px;
  margin-bottom: 0;
}

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.audience-card {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  background: var(--bg-white);
}

.audience-card .feature-icon {
  margin: 0 auto 14px;
}

.audience-card p {
  margin: 0;
  font-weight: 600;
  font-size: 15px;
  color: var(--color-graphite);
}

/* FAQ */
.faq-section {
  background: var(--bg-soft);
}

.faq-list {
  max-width: 760px;
}

.faq-item {
  border-bottom: 1px solid var(--color-line);
  padding: 20px 0;
}
.faq-item:first-child {
  border-top: 1px solid var(--color-line);
}

.faq-item h3 {
  margin-bottom: 8px;
}

.faq-item p {
  color: var(--color-graphite-3);
  font-size: 15px;
  margin-bottom: 0;
}

/* Final CTA */
.cta-section {
  text-align: center;
}
.cta-section .cta-row {
  justify-content: center;
}
.cta-section .cta-group {
  align-items: flex-start;
}
.cta-section h2 {
  margin-bottom: 12px;
}
.cta-section .section-head {
  margin: 0 auto 32px;
  text-align: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-line);
  padding: 40px 0;
  background: var(--bg-soft-2);
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand .logo-mark {
  width: 24px;
  height: 24px;
}
.footer-text {
  font-size: 13px;
  color: var(--color-graphite-3);
}
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
}
.footer-links a {
  text-decoration: none;
  color: var(--color-graphite-3);
}
.footer-links a:hover {
  color: var(--color-primary-hover);
}

/* Responsive */
@media (max-width: 900px) {
  .steps {
    grid-template-columns: 1fr;
  }
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  section {
    padding: 44px 0;
  }
  .hero {
    padding: 40px 0 48px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .audience-grid {
    grid-template-columns: 1fr;
  }
  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }
  .btn {
    width: 100%;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-tag {
    display: none;
  }
}