/* ==========================================================================
   Drahola Technologies - design tokens
   ========================================================================== */
:root {
  --navy: #062B42;
  --navy-700: #0A3A55;
  --gray-900: #243746;
  --gray-700: #576974;
  --gray-500: #576974;
  --gray-300: #B9DDEA;
  --gray-200: #DDF3FC;
  --gray-100: #DDF3FC;
  --line: #B9DDEA;
  --bg: #F3FAFD;
  --bg-alt: #DDF3FC;
  --paper: #FFFFFF;

  --blue: #199AD7;
  --logo-blue: #199AD7;
  --blue-700: #00728F;
  --blue-100: #DDF3FC;

  --teal: #00BFA6;
  --teal-100: #F1F9F8;

  --accent: #FFC857;
  --accent-hover: #FFB41A;
  --amber: #D88700;
  --amber-100: #FAF0E1;
  --amber-text: #8A5C0F;

  --success-text: #168B72;
  --error: #C63F4A;
  --focus: #00728F;

  --font-body: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius-sm: 10px;
  --radius: 20px;
  --radius-lg: 28px;

  --shadow-card: 0 1px 2px rgba(20, 41, 58, 0.06), 0 1px 1px rgba(20, 41, 58, 0.04);
  --shadow-lift: 0 10px 30px rgba(20, 41, 58, 0.10);
  --shadow-lg: 0 24px 60px rgba(20, 41, 58, 0.20);
  --shadow-hero: 0 30px 80px rgba(2, 6, 23, 0.28);

  --container: 1180px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); color: var(--navy); margin: 0; line-height: 1.15; }
p { margin: 0; }
button { font-family: inherit; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 12px 20px;
  z-index: 200;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

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

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(243, 250, 253, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 84px;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand img { height: 46px; width: auto; }

.nav-primary { display: flex; }
.nav-primary ul { display: flex; gap: 8px; align-items: center; }
.nav-primary a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--navy-700);
  transition: background-color .15s ease, color .15s ease;
}
.nav-primary a:hover { background: var(--blue-100); color: var(--blue-700); }
.nav-primary a[aria-current="page"] { color: var(--blue-700); background: var(--blue-100); }

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--navy);
  position: relative;
  transition: transform .2s ease, opacity .2s ease;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

.nav-mobile {
  display: none;
  position: fixed;
  inset: 84px 0 0 0;
  background: var(--paper);
  z-index: 99;
  overflow-y: auto;
  padding: 16px 24px 40px;
}
.nav-mobile.is-open { display: block; }
.nav-mobile ul { display: flex; flex-direction: column; gap: 4px; }
.nav-mobile a {
  display: block;
  padding: 14px 4px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  border-bottom: 1px solid var(--line);
}
.nav-mobile .btn { margin-top: 20px; width: 100%; text-align: center; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14.4px 24px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color .15s ease, transform .1s ease, box-shadow .15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  color: var(--navy);
  box-shadow: var(--shadow-lift);
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--paper);
  color: var(--navy-700);
  border-color: var(--line);
}
.btn-secondary:hover { background: var(--blue-100); border-color: var(--blue-700); }

.btn-outline-invert {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-invert:hover { background: rgba(255,255,255,0.12); }

.btn-block { width: 100%; justify-content: center; }

/* ==========================================================================
   Sections / eyebrow / headings
   ========================================================================== */
section { padding: 96px 0; }
section + section { padding-top: 0; }
.section-tight { padding: 72px 0; }

.eyebrow {
  display: inline-block;
  line-height: 1;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--blue-700);
  background: var(--blue-100);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.section-head { max-width: 760px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* Sections stacked directly under another section lose their top padding
   (see `section + section` below); when such a section leads with an
   eyebrow, restore breathing room above the badge. */
section + section > .container > .section-head:first-child {
  padding-top: 30px;
}
h2 { font-size: clamp(1.7rem, 1.4rem + 1.4vw, 2.5rem); font-weight: 800; letter-spacing: -0.01em; }
h3 { font-size: 1.2rem; font-weight: 700; }
.lede { font-size: 1.15rem; color: var(--gray-700); margin-top: 16px; }
.section-alt { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero { padding: 72px 0 40px; }
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.2rem, 1.7rem + 2.2vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.hero .lede { max-width: 52ch; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  color: var(--gray-700);
  font-size: 0.92rem;
}
.hero-note .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal); flex-shrink: 0; }

.hero-card {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-hero);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto auto;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(25,154,215,0.35), transparent 70%);
}
.hero-card-kicker {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: #8FD0EE;
  margin-bottom: 6px;
}
.hero-card-title { font-size: 1.3rem; font-weight: 800; color: #fff; margin-bottom: 24px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; position: relative; z-index: 1; }
.stat-tile {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-tile .num { font-size: 1.7rem; font-weight: 800; color: #fff; }
.stat-tile .label { font-size: 0.82rem; color: #B9DDEA; margin-top: 4px; }
.hero-checks { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; position: relative; z-index: 1; }
.hero-checks li { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: #E7F6FC; }
.check-badge {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--teal);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.check-badge svg { width: 12px; height: 12px; }

/* ==========================================================================
   Chip list (challenge sources)
   ========================================================================== */
.chip-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.chip {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray-700);
  box-shadow: var(--shadow-card);
}
/* ==========================================================================
   Resources - filters and article cards
   ========================================================================== */
.filter-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.filter-btn {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--gray-700);
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.filter-btn:hover { background: var(--blue-100); border-color: var(--blue-700); color: var(--blue-700); }
.filter-btn.is-active { background: var(--navy); color: #fff; border-color: var(--navy); }

.article-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--blue-700);
  margin-bottom: 12px;
}
.article-card[hidden] { display: none; }

.coming-soon {
  background: var(--teal-100);
  border: 1px solid #CDEBE6;
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
}
.coming-soon .eyebrow { background: rgba(0,191,166,0.14); color: #0B8E7B; }
.coming-soon p { color: var(--gray-700); max-width: 60ch; margin: 12px auto 0; }

.converge {
  margin-top: 40px;
  background: linear-gradient(135deg, var(--navy), var(--navy-700));
  border-radius: var(--radius-lg);
  padding: 40px;
  color: #fff;
}
.converge .eyebrow { background: rgba(255,255,255,0.12); color: #BFE7F7; }
.converge h3 { color: #fff; font-size: 1.5rem; margin: 8px 0 12px; }
.converge p { color: #CFE8F3; max-width: 68ch; }

/* ==========================================================================
   Card grids
   ========================================================================== */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .2s ease, transform .2s ease;
}
.card:hover { box-shadow: var(--shadow-lift); transform: translateY(-2px); }
.card-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--blue-100);
  color: var(--blue-700);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--gray-700); font-size: 0.96rem; }

.role-card { background: var(--teal-100); border-color: transparent; }
.role-card .card-icon { background: rgba(0,191,166,0.14); color: #0B8E7B; }

/* ==========================================================================
   Info grid (about page facts)
   ========================================================================== */
.fact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 8px; }
.fact {
  border-left: 3px solid var(--blue);
  padding: 4px 0 4px 18px;
}
.fact .fact-label {
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--blue-700);
  margin-bottom: 6px;
}
.fact p { color: var(--gray-700); font-size: 0.95rem; }

/* ==========================================================================
   Lifecycle / process steps
   ========================================================================== */
.step-list { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.step:last-child { border-bottom: none; }
.step-num {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.step h4 { font-size: 1.05rem; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.step p { color: var(--gray-700); font-size: 0.95rem; }

/* ==========================================================================
   Simple check list
   ========================================================================== */
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  color: var(--gray-700);
}
.check-list .check-badge { margin-top: 2px; background: var(--blue-700); }

/* ==========================================================================
   Callout / software mention
   ========================================================================== */
.callout {
  background: var(--amber-100);
  border: 1px solid #F0DCB4;
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}
.callout-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: var(--paper);
  display: flex; align-items: center; justify-content: center;
  color: var(--amber);
  flex-shrink: 0;
  box-shadow: var(--shadow-card);
}
.callout-body { flex: 1; min-width: 260px; }
.callout h3 { margin-bottom: 8px; }
.callout p { color: var(--amber-text); font-size: 0.96rem; }
.callout a.btn { flex-shrink: 0; }

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
}
.cta-band .eyebrow { background: rgba(255,255,255,0.12); color: #BFE7F7; }
.cta-band h2 { color: #fff; }
.cta-band p { color: #CFE8F3; margin-top: 14px; }
.cta-band .hero-ctas { justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { background: var(--navy); color: #CFE8F3; padding: 72px 0 32px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand img { height: 40px; margin-bottom: 16px; }
.footer-brand p { font-size: 0.92rem; color: #9FC7DA; max-width: 34ch; }
.site-footer h4 {
  color: #fff; font-size: 0.82rem; font-weight: 800;
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 16px;
}
.site-footer ul { display: flex; flex-direction: column; gap: 10px; }
.site-footer a { font-size: 0.92rem; color: #BFE0EE; }
.site-footer a:hover { color: #fff; }
.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: #8FB6C9;
}

/* ==========================================================================
   Page hero (interior pages)
   ========================================================================== */
.page-hero { padding: 64px 0 56px; }
.page-hero .eyebrow { }
.page-hero h1 { font-size: clamp(2rem, 1.6rem + 1.8vw, 3rem); letter-spacing: -0.02em; }
.page-hero .lede { max-width: 66ch; }

/* ==========================================================================
   About page - profile card
   ========================================================================== */
.profile-card {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  align-items: center;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  margin-top: 32px;
}
.profile-avatar {
  width: 140px; height: 140px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--navy));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 2.4rem;
  letter-spacing: -0.02em;
  overflow: hidden;
  flex-shrink: 0;
}
.profile-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.profile-name { font-size: 1.3rem; font-weight: 800; color: var(--navy); }
.profile-title {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--blue-700); margin: 4px 0 12px;
}
.profile-links { display: flex; gap: 14px; margin-top: 12px; }
.profile-links a { font-weight: 700; color: var(--blue-700); font-size: 0.92rem; }
.profile-links a:hover { text-decoration: underline; }

/* ==========================================================================
   Experience tag list
   ========================================================================== */
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tag {
  background: var(--blue-100);
  color: var(--blue-700);
  font-weight: 600;
  font-size: 0.86rem;
  padding: 8px 14px;
  border-radius: 999px;
}

/* ==========================================================================
   Forms (contact page)
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
  align-items: start;
}
.contact-side .card { margin-bottom: 20px; }
.contact-side .card:last-child { margin-bottom: 0; }
.contact-side h3 { display: flex; align-items: center; gap: 10px; }

.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 20px; }
.field label {
  display: block;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  font-family: inherit;
  font-size: 0.96rem;
  color: var(--gray-900);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue-700);
  box-shadow: 0 0 0 3px rgba(0,114,143,0.15);
}
.field-hint { font-size: 0.82rem; color: var(--gray-500); margin-top: 6px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; }

/* ==========================================================================
   Article pages
   ========================================================================== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue-700);
  font-weight: 700;
  font-size: 0.92rem;
  margin-bottom: 24px;
}
.back-link:hover { text-decoration: underline; }

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  color: var(--gray-500);
  font-size: 0.9rem;
  margin-top: 18px;
}
.article-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--gray-300); }

.article-body { max-width: 720px; }
.article-body h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-top: 44px;
  margin-bottom: 16px;
}
.article-body h2:first-child { margin-top: 0; }
.article-body h3 {
  font-size: 1.1rem;
  margin-top: 28px;
  margin-bottom: 10px;
}
.article-body p {
  color: var(--gray-700);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 18px;
}
.article-body ul, .article-body ol {
  margin: 0 0 20px;
  padding-left: 22px;
  color: var(--gray-700);
}
.article-body li {
  margin-bottom: 10px;
  line-height: 1.65;
  font-size: 1.05rem;
}
.article-body strong { color: var(--navy); }
.article-body blockquote {
  border-left: 3px solid var(--blue);
  padding: 4px 0 4px 20px;
  margin: 28px 0;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--navy-700);
}
.article-end-cta {
  max-width: 720px;
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 36px;
  margin-top: 48px;
}
.article-end-cta h3 { color: #fff; font-size: 1.2rem; margin-bottom: 10px; }
.article-end-cta p { color: #CFE8F3; margin-bottom: 20px; font-size: 0.98rem; }

/* ==========================================================================
   Utilities / responsive
   ========================================================================== */
.mt-0 { margin-top: 0 !important; }

@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-card { max-width: 480px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .profile-card { grid-template-columns: 100px 1fr; }
  .profile-avatar { width: 100px; height: 100px; font-size: 1.8rem; }
}

@media (max-width: 760px) {
  .nav-primary, .header-actions .btn-primary { display: none; }
  .nav-toggle { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .fact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .cta-band { padding: 36px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .profile-card { grid-template-columns: 1fr; text-align: center; }
  .profile-links { justify-content: center; }
  .chip-list { justify-content: flex-start; }
}