/* simoes-research — brand system (extracted from Matt SW style guide) */

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

:root {
  --bg: #0b0e17;
  --bg-card: #141825;
  --bg-card-hover: #1a1f30;
  --bg-surface: #0f1220;
  --swa-blue: #304CB2;
  --swa-blue-glow: rgba(48, 76, 178, 0.25);
  --swa-blue-light: #4a6ad4;
  --swa-blue-soft: rgba(48, 76, 178, 0.12);
  --swa-yellow: #FFBF27;
  --swa-yellow-glow: rgba(255, 191, 39, 0.15);
  --swa-yellow-soft: rgba(255, 191, 39, 0.1);
  --swa-red: #e64545;
  --swa-green: #3da55a;
  --text-primary: #f0f2f7;
  --text-secondary: #9ba3b8;
  --text-muted: #5e6780;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --mono: 'SF Mono', 'Monaco', 'Menlo', 'Cascadia Code', monospace;
}

.light-mode {
  --bg: #f5f6fa;
  --bg-card: #ffffff;
  --bg-card-hover: #f0f1f5;
  --bg-surface: #ecedf2;
  --text-primary: #1a1d2b;
  --text-secondary: #4a5068;
  --text-muted: #8890a8;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.16);
  --swa-blue-soft: rgba(48, 76, 178, 0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
}

/* NAV */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 9999;
  background: rgba(11, 14, 23, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 56px;
}
.light-mode .nav { background: rgba(245, 246, 250, 0.88); }

.nav-brand {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  transition: color 0.2s ease;
}
.nav-brand:hover { color: var(--text-primary); }

.nav-brand .icon {
  width: 28px;
  height: 28px;
  background: var(--swa-blue);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}

/* Breadcrumb back: on sub-pages, nav-brand is a link back to the parent.
   Uses .nav-back class to swap the S icon for a left-chevron. */
.nav-brand.nav-back .icon {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
}
.nav-brand.nav-back:hover .icon {
  border-color: var(--swa-blue);
  color: var(--swa-blue-light);
  background: var(--swa-blue-soft);
}
.nav-brand.nav-back .icon svg {
  width: 14px;
  height: 14px;
}

.nav-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle {
  background: var(--swa-blue);
  border: none;
  border-radius: 20px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  font-size: 16px;
  line-height: 1;
  padding: 0;
  transition: background 0.25s ease, box-shadow 0.25s ease;
  box-shadow: 0 2px 8px rgba(48, 76, 178, 0.3);
}
.theme-toggle:hover { background: var(--swa-blue-light); }
.light-mode .theme-toggle { color: white; }

/* Sun spins, moon wiggles — hover only, pure CSS so state never gets stuck. */
.light-mode .theme-toggle:hover {
  animation: theme-spin 0.65s cubic-bezier(0.4, 0, 0.2, 1);
}
body:not(.light-mode) .theme-toggle:hover {
  animation: theme-wiggle 0.55s ease;
}
@keyframes theme-spin {
  from { transform: rotate(0deg) scale(1); }
  60%  { transform: rotate(216deg) scale(1.12); }
  to   { transform: rotate(360deg) scale(1); }
}
@keyframes theme-wiggle {
  0%, 100% { transform: rotate(0deg) scale(1); }
  20%      { transform: rotate(-14deg) scale(1.08); }
  50%      { transform: rotate(12deg)  scale(1.08); }
  80%      { transform: rotate(-8deg)  scale(1.06); }
}

/* MAIN LAYOUT */
main {
  padding-top: 56px;
  position: relative;
  overflow: hidden;
}

main::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse, var(--swa-blue-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
main::after {
  content: '';
  position: absolute;
  top: 600px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, var(--swa-yellow-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.light-mode main::before { background: radial-gradient(ellipse, rgba(48, 76, 178, 0.1) 0%, transparent 70%); }
.light-mode main::after { background: radial-gradient(ellipse, rgba(255, 191, 39, 0.08) 0%, transparent 70%); }

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* HERO */
.hero {
  padding: 100px 24px 60px;
  text-align: left;
  position: relative;
  z-index: 1;
}

.hero-wrap {
  max-width: 1040px;
  margin: 0 auto;
}

.hero-kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--swa-yellow);
  margin-bottom: 20px;
  padding: 6px 12px;
  background: var(--swa-yellow-soft);
  border: 1px solid rgba(255, 191, 39, 0.3);
  border-radius: 20px;
}

.hero h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 19px;
  color: var(--text-secondary);
  max-width: 720px;
  line-height: 1.55;
}

/* PROJECT GRID */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
  padding: 40px 24px 80px;
  max-width: 1040px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.25s ease;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--swa-blue);
}
.project-card.yellow::before { background: var(--swa-yellow); }
.project-card.green::before { background: var(--swa-green); }

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(48, 76, 178, 0.12);
}

.project-card-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--swa-blue-light);
}
.project-card.yellow .project-card-kicker { color: var(--swa-yellow); }
.project-card.green .project-card-kicker { color: var(--swa-green); }

.project-card h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.project-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

.project-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.project-card-lock {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* FOOTER */
.footer {
  padding: 40px 24px 60px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.footer p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer a {
  color: var(--swa-blue-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(74, 106, 212, 0.3);
  transition: border-color 0.2s ease;
}
.footer a:hover { border-color: var(--swa-blue-light); }

/* GATE PAGE */
.gate-wrap {
  min-height: calc(100vh - 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
  z-index: 1;
}

.gate-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  max-width: 420px;
  width: 100%;
  position: relative;
}

.gate-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--swa-yellow);
  border-radius: 4px 0 0 4px;
}

.gate-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--swa-yellow);
  margin-bottom: 10px;
}

.gate-card h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.gate-card .gate-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

.gate-card input[type="password"] {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.gate-card input[type="password"]:focus {
  border-color: var(--swa-blue);
  box-shadow: 0 0 0 3px var(--swa-blue-soft);
}

.gate-card button {
  width: 100%;
  margin-top: 14px;
  background: var(--swa-blue);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}
.gate-card button:hover { background: var(--swa-blue-light); }

.gate-error {
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(230, 69, 69, 0.08);
  border: 1px solid rgba(230, 69, 69, 0.25);
  border-radius: var(--radius-sm);
  color: var(--swa-red);
  font-size: 13px;
}

.gate-forgot {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.gate-forgot a {
  color: var(--swa-blue-light);
  text-decoration: none;
  font-family: var(--mono);
}

/* PROJECT INTERIOR */
.project-header {
  padding: 100px 24px 40px;
  max-width: 1040px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.project-header .back-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  font-family: var(--mono);
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 20px;
  transition: color 0.2s ease;
}
.project-header .back-link:hover { color: var(--swa-blue-light); }

.project-header h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.project-header p {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 680px;
}

.doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 20px 24px 80px;
  max-width: 720px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 28px 28px 32px;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.doc-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--swa-blue);
}
.doc-card.yellow::before { background: var(--swa-yellow); }
.doc-card.green::before { background: var(--swa-green); }

.doc-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(48, 76, 178, 0.12);
}

.doc-card-kind {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--swa-blue-light);
}
.doc-card.yellow .doc-card-kind { color: var(--swa-yellow); }
.doc-card.green .doc-card-kind { color: var(--swa-green); }

.doc-card h3 {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.doc-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

@media (max-width: 720px) {
  .nav { padding: 0 16px; }
  .hero { padding: 80px 16px 40px; }
  .project-grid { padding: 20px 16px 60px; gap: 16px; }
  .gate-card { padding: 28px 24px; }
}