/* =========================================
   SolarBridge — Warm Amber / Forest Green
   Typography: Fraunces (serif display) + DM Sans
   ========================================= */

:root {
  --bg:        #0D0F0B;
  --bg-alt:    #141811;
  --surface:   #1C2017;
  --surface2:  #242820;
  --border:    rgba(245, 158, 11, 0.12);
  --amber:     #F59E0B;
  --amber-dim: rgba(245, 158, 11, 0.15);
  --amber-glow: rgba(245, 158, 11, 0.07);
  --green:     #4ADE80;
  --green-dim: rgba(74, 222, 128, 0.15);
  --red:       #F87171;
  --muted:     #8B9180;
  --text:      #F0EFE8;
  --text-dim:  #9DA39A;
  --font-d:    'Fraunces', Georgia, serif;
  --font-s:    'DM Sans', system-ui, sans-serif;
  --r:         12px;
}

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

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

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

/* ---- NAV ---- */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 4rem;
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-d);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.nav-tag {
  font-size: 0.75rem;
  color: var(--amber);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--border);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 6rem 4rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(245,158,11,0.07) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 20% 80%, rgba(74,222,128,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner { position: relative; }

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 2rem;
}

.kicker-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-headline {
  font-family: var(--font-d);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.75rem;
}

.hero-headline em {
  font-style: italic;
  color: var(--amber);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 52ch;
  margin-bottom: 2rem;
}

.hero-cta {
  font-size: 0.875rem;
  color: var(--muted);
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  display: inline-block;
}

/* Hero Cards */
.hero-visual { position: relative; }

.hero-card-stack {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.25rem 1.5rem;
  position: relative;
  transition: transform 0.2s;
}

.card:hover { transform: translateX(-4px); }

.card-1 { border-left: 3px solid var(--green); }
.card-2 { border-left: 3px solid var(--amber); }
.card-3 { border-left: 3px solid #60A5FA; }

.card-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.card-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.25rem;
}

.card-meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.card-score {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.4rem;
}

.score-label { font-size: 0.75rem; color: var(--muted); }
.score-val { font-size: 1.1rem; font-weight: 700; color: var(--green); font-family: var(--font-d); }

.card-bar {
  height: 4px;
  background: var(--surface2);
  border-radius: 999px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--green), #86EFAC);
  border-radius: 999px;
}

.card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--amber);
  font-weight: 500;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.status-dot.green { background: var(--green); box-shadow: 0 0 6px var(--green); }

.card-match span {
  display: inline-block;
  background: rgba(96,165,250,0.15);
  color: #60A5FA;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

/* ---- STATS ---- */
.stats {
  padding: 4rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-alt);
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 0;
}

.stat { padding: 0 2rem; }

.stat-number {
  font-family: var(--font-d);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--amber);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}

.stat-divider {
  width: 1px;
  height: 60px;
  background: var(--border);
}

/* ---- HOW ---- */
.how {
  padding: 7rem 4rem;
  position: relative;
}

.how::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.3;
}

.how-header {
  margin-bottom: 4rem;
}

.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.section-title {
  font-family: var(--font-d);
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  max-width: 20ch;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  position: relative;
}

.steps::before {
  content: '';
  position: absolute;
  top: 2rem;
  left: calc(33.33% - 1.5rem);
  right: calc(33.33% - 1.5rem);
  height: 1px;
  background: linear-gradient(90deg, var(--amber), var(--border), var(--amber));
  opacity: 0.4;
}

.step { }

.step-num {
  font-family: var(--font-d);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--amber);
  opacity: 0.25;
  line-height: 1;
  margin-bottom: 1.25rem;
  letter-spacing: -0.04em;
}

.step-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.step-body {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ---- MOAT ---- */
.moat {
  background: var(--bg-alt);
  padding: 7rem 4rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.moat-body {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.moat-features {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mf {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-dim);
}

/* Database preview */
.db-preview {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
}

.db-header {
  padding: 1rem 1.25rem;
  font-family: var(--font-d);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  background: var(--surface2);
}

.db-subheader {
  padding: 0.6rem 1.25rem;
  font-size: 0.75rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}

.db-list { }

.db-row {
  display: grid;
  grid-template-columns: 1fr auto auto auto;
  align-items: center;
  gap: 1rem;
  padding: 0.8rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.db-row:hover { background: var(--surface2); }

.db-name { font-size: 0.8rem; font-weight: 500; color: var(--text); }
.db-loc { font-size: 0.75rem; color: var(--muted); }

.score-pill {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
}
.score-pill.high { background: var(--green-dim); color: var(--green); }
.score-pill.mid { background: var(--amber-dim); color: var(--amber); }

.status-pill {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
}
.status-pill.green { background: var(--green-dim); color: var(--green); }
.status-pill.amber { background: var(--amber-dim); color: var(--amber); }
.status-pill.muted { background: var(--surface2); color: var(--muted); }

.db-footer {
  padding: 0.75rem 1.25rem;
  font-size: 0.75rem;
  color: var(--amber);
  background: var(--amber-glow);
}

/* ---- PRICING ---- */
.pricing {
  padding: 7rem 4rem;
}

.pricing-header { margin-bottom: 3.5rem; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 2rem;
  transition: border-color 0.2s;
}

.pricing-card.accent {
  border-color: rgba(245,158,11,0.35);
  background: linear-gradient(135deg, var(--surface), rgba(245,158,11,0.04));
}

.pc-icon {
  margin-bottom: 1.25rem;
}

.pc-role {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.pc-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.pc-body {
  font-size: 0.875rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.pc-detail {
  font-size: 0.8rem;
  color: var(--amber);
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  background: var(--amber-glow);
  border-radius: 6px;
  display: inline-block;
}

/* ---- MISSION ---- */
.mission {
  background: var(--surface);
  padding: 7rem 4rem;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.mission-inner {
  max-width: 72ch;
}

.mission-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--amber);
  margin-bottom: 2rem;
  font-weight: 500;
}

.mission-quote {
  font-family: var(--font-d);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 400;
  font-style: italic;
  color: var(--text);
  line-height: 1.4;
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
}

.mission-body {
  font-size: 0.95rem;
  color: var(--text-dim);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.mission-stat {
  margin-top: 3rem;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r);
  background: var(--surface2);
}

.ms-num {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.ms-num strong { color: var(--text); font-weight: 600; }

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.closing::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 60% at 50% 50%, rgba(245,158,11,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner { position: relative; }

.closing-headline {
  font-family: var(--font-d);
  font-size: clamp(2rem, 4vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1rem;
  color: var(--text-dim);
  line-height: 1.7;
  max-width: 55ch;
  margin: 0 auto 2.5rem;
}

.closing-cta {
  font-size: 0.85rem;
  color: var(--amber);
  font-style: italic;
  font-family: var(--font-d);
  max-width: 50ch;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
.footer {
  padding: 3rem 4rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-d);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--muted);
  flex: 1;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--muted);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; padding: 4rem 2rem 3rem; gap: 3rem; }
  .hero-visual { max-width: 480px; }
  .stats { padding: 3rem 2rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .stat-divider { display: none; }
  .how { padding: 5rem 2rem; }
  .steps { grid-template-columns: 1fr; gap: 2rem; }
  .steps::before { display: none; }
  .moat { grid-template-columns: 1fr; padding: 5rem 2rem; gap: 3rem; }
  .pricing { padding: 5rem 2rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .mission { padding: 5rem 2rem; }
  .closing { padding: 5rem 2rem; }
  .footer { padding: 2rem; flex-wrap: wrap; }
  .nav { padding: 1rem 2rem; }
  .section-title { max-width: none; }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; }
  .hero-headline { font-size: 2.5rem; }
  .db-row { grid-template-columns: 1fr auto auto; }
  .db-score { display: none; }
}