/* Solar Care — marketing site design system.
   Palette carried over from the app's own tokens (lib/app/design_tokens.dart):
   deep navy as the structural color, electric blue as the accent, on a
   white/near-white ground — extended here with a warmer off-white paper
   tone and a slate-blue neutral (not a pure grey) so the site reads as
   authored, not inherited. */

@import url("https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700;800&family=IBM+Plex+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  /* Brand */
  --navy: #0b2545;
  --navy-dark: #07192f;
  --navy-light: #1a3a5c;
  --blue: #1e6feb;
  --blue-light: #e8f1fe;
  --sky: #0ea5e9;

  /* Neutrals — slate-blue tinted, not pure grey */
  --paper: #fbfcfe;
  --surface: #ffffff;
  --surface-alt: #f2f5f9;
  --border: #dfe4ec;
  --border-strong: #c3cbd8;
  --ink: #131b2c;
  --ink-secondary: #4b566b;
  --ink-muted: #8892a3;

  /* Status — mirrors the app's own severity language */
  --good: #1e8e5a;
  --warn: #b4740e;
  --critical: #d92d20;

  --font-display: "Sora", "Helvetica Neue", Arial, sans-serif;
  --font-body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;

  --max: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0a1220;
    --surface: #0f1a2c;
    --surface-alt: #13213a;
    --border: #223252;
    --border-strong: #2c3f63;
    --ink: #eaf0fb;
    --ink-secondary: #aab6cc;
    --ink-muted: #7c8aa5;
    --blue-light: #14233f;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  text-wrap: balance;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.4vw, 3.4rem); font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.8vw, 2.3rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--ink-secondary); max-width: 62ch; }
p.lede { font-size: 1.15rem; color: var(--ink-secondary); }

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--good);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--good) 20%, transparent);
}

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

/* ---- Header / nav ---- */
header.site {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 40;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 14px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img.mark { height: 28px; width: auto; }
.brand img.wordmark { height: 19px; width: auto; }
.brand span {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  color: var(--navy);
}
@media (prefers-color-scheme: dark) { .brand span { color: var(--ink); } }

nav.links {
  display: flex;
  align-items: center;
  gap: 28px;
}
nav.links a {
  color: var(--ink-secondary);
  font-size: 0.94rem;
  font-weight: 500;
}
nav.links a:hover { color: var(--navy); text-decoration: none; }
@media (prefers-color-scheme: dark) { nav.links a:hover { color: var(--ink); } }
nav.links a.current { color: var(--blue); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

#navToggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  width: 40px; height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 860px) {
  nav.links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 18px;
    display: none;
  }
  nav.links.open { display: flex; }
  nav.links a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  #navToggle { display: inline-flex; }
  .nav-actions .btn.ghost { display: none; }
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.94rem;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn.primary { background: var(--blue); color: #fff; }
.btn.primary:hover { background: #1a5fcc; }
.btn.ghost { background: transparent; color: var(--navy); border-color: var(--border-strong); }
@media (prefers-color-scheme: dark) { .btn.ghost { color: var(--ink); } }
.btn.ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn.on-dark { background: #fff; color: var(--navy); }
.btn.on-dark:hover { background: var(--blue-light); }
.btn.block { width: 100%; justify-content: center; }

/* ---- Sections ---- */
section { padding-block: 88px; }
section.tight { padding-block: 56px; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head.center { max-width: 640px; margin-inline: auto; text-align: center; }

.alt { background: var(--surface-alt); }
.dark-panel {
  background: linear-gradient(165deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff;
}
.dark-panel h2, .dark-panel h3, .dark-panel h4 { color: #fff; }
.dark-panel p { color: #b9c6de; }

/* ---- Hero ---- */
.hero {
  padding-top: 64px;
  padding-bottom: 72px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 640px;
  background:
    radial-gradient(600px 320px at 15% 10%, color-mix(in srgb, var(--blue) 14%, transparent), transparent 70%),
    radial-gradient(520px 300px at 85% 0%, color-mix(in srgb, var(--sky) 12%, transparent), transparent 70%);
  pointer-events: none;
  z-index: -1;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.hero-proof {
  margin-top: 34px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.hero-proof div { font-family: var(--font-mono); }
.hero-proof strong { display: block; font-size: 1.5rem; color: var(--navy); font-weight: 500; }
@media (prefers-color-scheme: dark) { .hero-proof strong { color: var(--ink); } }
.hero-proof span { font-size: 0.78rem; color: var(--ink-muted); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---- Monitoring panel mock (hero visual) ---- */
.panel {
  background: var(--navy-dark);
  border-radius: 20px;
  padding: 22px;
  box-shadow: 0 30px 60px -20px rgba(7, 25, 47, 0.45);
  border: 1px solid #16305a;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}
.panel-head .dot-row { display: flex; gap: 6px; }
.panel-head .dot-row span { width: 8px; height: 8px; border-radius: 50%; background: #2a3f63; }
.panel-title { color: #9fb2d4; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; }
.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 14px; }
.panel-stat {
  background: #0d1c33;
  border: 1px solid #1a2f52;
  border-radius: 12px;
  padding: 14px 16px;
}
.panel-stat .val { font-family: var(--font-mono); font-size: 1.5rem; color: #fff; font-variant-numeric: tabular-nums; }
.panel-stat .val small { font-size: 0.9rem; color: #7891bb; }
.panel-stat .lbl { font-size: 0.74rem; color: #7891bb; margin-top: 2px; }
.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  background: #0d1c33;
  border: 1px solid #1a2f52;
  border-radius: 10px;
  margin-bottom: 8px;
  font-size: 0.86rem;
}
.panel-row .site { color: #e7edf9; font-weight: 500; }
.panel-row .meta { color: #7891bb; font-family: var(--font-mono); font-size: 0.78rem; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.chip::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.chip.good { background: rgba(30, 142, 90, 0.18); color: #4ade80; }
.chip.warn { background: rgba(180, 116, 14, 0.2); color: #fbbf24; }
.chip.crit { background: rgba(217, 45, 32, 0.2); color: #f87171; }

/* ---- Feature grid ---- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 860px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid { grid-template-columns: 1fr; } }
.grid.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 720px) { .grid.two { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
}
.card .icon {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--blue-light);
  color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.card h3 { margin-bottom: 8px; }
.card p { margin-bottom: 0; font-size: 0.95rem; }

/* ---- Role list (For Solar Companies) ---- */
.role-list { display: flex; flex-direction: column; gap: 0; }
.role-row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid var(--border);
}
.role-row:last-child { border-bottom: 1px solid var(--border); }
@media (max-width: 640px) { .role-row { grid-template-columns: 1fr; gap: 8px; } }
.role-row .role-name {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--blue);
  letter-spacing: 0.02em;
  padding-top: 2px;
}
.role-row p { margin: 0; }

/* ---- Steps ---- */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 820px) { .steps { grid-template-columns: 1fr; } }
.step {
  border-left: 2px solid var(--border-strong);
  padding-left: 20px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--blue);
  display: block;
  margin-bottom: 8px;
}

/* ---- Table (plans / comparisons) ---- */
.table-wrap { overflow-x: auto; }
table.plain { width: 100%; border-collapse: collapse; min-width: 560px; }
table.plain th, table.plain td {
  text-align: left;
  padding: 13px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
table.plain th { color: var(--ink-muted); font-weight: 500; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* ---- CTA banner ---- */
.cta-banner {
  border-radius: 24px;
  padding: 56px;
  text-align: center;
}
.cta-banner .btn-row { display: flex; gap: 12px; justify-content: center; margin-top: 26px; flex-wrap: wrap; }
@media (max-width: 640px) { .cta-banner { padding: 36px 22px; } }

/* ---- Contact / form ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-list { display: flex; flex-direction: column; gap: 22px; margin-top: 26px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; }
.contact-item .icon {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--blue-light); color: var(--blue);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-item h4 { margin-bottom: 2px; }
.contact-item p { margin: 0; font-size: 0.92rem; }

form.contact-form { display: flex; flex-direction: column; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.84rem; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 11px 13px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}
.field textarea { resize: vertical; min-height: 110px; }

/* ---- Legal doc pages ---- */
.legal {
  max-width: 760px;
  margin: 0 auto;
}
.legal h2 { margin-top: 2.2em; font-size: 1.25rem; }
.legal h2:first-of-type { margin-top: 0; }
.legal p, .legal li { color: var(--ink-secondary); font-size: 0.96rem; max-width: 68ch; }
.legal ul { padding-left: 1.2em; }
.legal .updated {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: 34px;
}

/* ---- Footer ---- */
footer.site {
  border-top: 1px solid var(--border);
  padding-block: 52px 34px;
  background: var(--surface-alt);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 36px;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: repeat(2, 1fr); } }
.footer-brand .brand { margin-bottom: 12px; }
.footer-brand p { font-size: 0.88rem; max-width: 30ch; }
.footer-col h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-muted); margin-bottom: 14px; }
.footer-col a { display: block; color: var(--ink-secondary); font-size: 0.9rem; margin-bottom: 10px; }
.footer-col a:hover { color: var(--blue); text-decoration: none; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--ink-muted);
}

/* ---- Reveal-on-load (respects reduced motion) ---- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { animation: rise 0.6s ease-out both; }
}
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }