/* VoltEdge Solar — "Silicon & Sun" design system */

@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('/fonts/bricolage.woff2') format('woff2');
  font-weight: 800; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Archivo';
  src: url('/fonts/archivo.woff2') format('woff2');
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/plexmono.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}

:root {
  --night: #0F1C2B;
  --panel: #16324F;
  --panel-2: #1E4066;
  --amber: #F0A31C;
  --amber-deep: #D98A0B;
  --paper: #FBF8F1;
  --sand: #F2EADA;
  --ink: #1B2735;
  --muted: #5C6B7D;
  --muted-dark: #93A5BA;
  --line: #E5DECE;
  --display: 'Bricolage Grotesque', 'Avenir Next', sans-serif;
  --body: 'Archivo', 'Helvetica Neue', sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', monospace;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
}

img, svg { max-width: 100%; }
a { color: var(--panel); }
:focus-visible { outline: 2px solid var(--panel); outline-offset: 2px; }
.on-dark :focus-visible { outline-color: var(--paper); }

.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ---------- type ---------- */
h1, h2 { font-family: var(--display); font-weight: 800; line-height: 1.05; text-wrap: balance; margin: 0; }
h1 { font-size: clamp(2.4rem, 5.6vw, 3.9rem); letter-spacing: -0.01em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
h3 { font-family: var(--body); font-weight: 600; font-size: 1.2rem; line-height: 1.3; margin: 0; }
p { margin: 0; }
.lede { font-size: 1.13rem; color: var(--muted); max-width: 62ch; }
.on-dark .lede { color: var(--muted-dark); }

.eyebrow {
  font-family: var(--mono); font-size: 0.78rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 10px;
}
.on-dark .eyebrow, .eyebrow.amber { color: var(--amber); }
.edge-rule { display: block; width: 32px; height: 3px; background: var(--amber); margin-bottom: 16px; }

.mono-note { font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.05em; color: var(--muted); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(251,248,241,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { font-family: var(--display); font-weight: 800; font-size: 1.28rem; color: var(--ink); text-decoration: none; letter-spacing: -0.01em; }
.logo .sun { color: var(--amber); }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav > .nav-item { position: relative; }
.nav a.top {
  display: block; padding: 8px 12px; text-decoration: none;
  color: var(--ink); font-weight: 600; font-size: 0.95rem; border-radius: 4px;
}
.nav a.top:hover { background: var(--sand); }
.nav .drop {
  position: absolute; top: 100%; left: 0; min-width: 230px;
  background: #fff; border: 1px solid var(--line); border-radius: 6px;
  padding: 6px; margin: 4px 0 0; list-style: none;
  box-shadow: 0 16px 40px -18px rgb(15 28 43 / 0.25);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.nav-item:hover .drop, .nav-item:focus-within .drop { opacity: 1; visibility: visible; transform: none; }
.nav .drop a {
  display: block; padding: 9px 12px; border-radius: 4px;
  color: var(--ink); text-decoration: none; font-size: 0.93rem; font-weight: 500;
}
.nav .drop a:hover { background: var(--sand); }

.header-cta { display: flex; align-items: center; gap: 14px; margin-left: 8px; }
.header-phone { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); text-decoration: none; white-space: nowrap; }
.header-phone:hover { color: var(--ink); }

.nav-toggle { display: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--body); font-weight: 600; font-size: 0.98rem;
  padding: 13px 22px; border-radius: 4px; text-decoration: none;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn .arr { transition: transform .2s var(--ease); }
.btn:hover .arr, .btn:focus-visible .arr { transform: translateX(4px); }
.btn-primary { background: var(--amber); color: var(--night); }
.btn-primary:hover { background: var(--amber-deep); }
.btn-outline { border-color: var(--night); color: var(--night); background: transparent; }
.btn-outline:hover { background: var(--night); color: var(--paper); }
.btn-ghost { border-color: rgba(251,248,241,.45); color: var(--paper); background: transparent; }
.btn-ghost:hover { border-color: var(--paper); }
.btn-sm { padding: 9px 16px; font-size: 0.9rem; }

/* ---------- hero ---------- */
.hero {
  position: relative; color: var(--paper);
  padding: clamp(72px, 12vw, 130px) 0 clamp(64px, 10vw, 110px);
  background:
    radial-gradient(1100px 520px at 88% -12%, rgba(240,163,28,.30), transparent 62%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.045) 0 2px, transparent 2px 92px),
    repeating-linear-gradient(10deg, rgba(255,255,255,.03) 0 2px, transparent 2px 60px),
    linear-gradient(160deg, var(--panel) 0%, var(--night) 68%);
}
.hero-line { display: block; overflow: hidden; }
.js .hero-anim .hero-line > span { display: inline-block; transform: translateY(112%); animation: rise .6s var(--ease) forwards; }
.js .hero-anim .hero-line:nth-child(2) > span { animation-delay: .08s; }
.js .hero-anim .hero-sub  { opacity: 0; animation: fadeUp .55s var(--ease) .22s forwards; }
.js .hero-anim .hero-ctas { opacity: 0; animation: fadeUp .55s var(--ease) .34s forwards; }
.js .hero-anim .kw-chip   { opacity: 0; animation: fadeUp .55s var(--ease) .5s forwards; }
@keyframes rise   { to { transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.hero-sub { margin: 22px 0 0; max-width: 54ch; color: var(--muted-dark); font-size: 1.12rem; }
.hero-ctas { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.kw-chip {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 36px;
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.05em; color: var(--paper);
  border: 1px solid rgba(251,248,241,.28); border-radius: 999px; padding: 6px 14px;
  background: rgba(15,28,43,.45);
}
.kw-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); flex: none; }

/* page hero (inner pages) */
.page-hero { padding: clamp(56px, 9vw, 96px) 0 clamp(44px, 7vw, 72px); }
.page-hero .hero-sub { color: var(--muted-dark); }

/* ---------- sections ---------- */
.section { padding: clamp(56px, 9vw, 104px) 0; }
.section.tight { padding: clamp(40px, 6vw, 64px) 0; }
.section.sand { background: var(--sand); }
.section.dark {
  background:
    repeating-linear-gradient(100deg, rgba(255,255,255,.035) 0 2px, transparent 2px 78px),
    linear-gradient(200deg, #14293f, var(--night) 75%);
  color: var(--paper);
}
.section.dark h2 { color: var(--paper); }
.section-head { max-width: 720px; margin-bottom: clamp(28px, 4vw, 44px); }
.section-head .lede { margin-top: 14px; }

/* scroll reveal */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.js .reveal.on { opacity: 1; transform: none; }
.js .reveal-stagger > * { opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.js .reveal-stagger.on > * { opacity: 1; transform: none; }
.js .reveal-stagger.on > :nth-child(2) { transition-delay: .06s; }
.js .reveal-stagger.on > :nth-child(3) { transition-delay: .12s; }
.js .reveal-stagger.on > :nth-child(4) { transition-delay: .18s; }

/* ---------- cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; }
.card {
  background: var(--paper); border-radius: 6px; overflow: hidden;
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
  border: 1px solid var(--line); text-decoration: none; color: var(--ink);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  display: block;
}
.card:hover, .card:focus-visible { transform: translateY(-4px); box-shadow: 0 12px 32px -12px rgba(15,28,43,.28); }
.card-img { height: 120px; position: relative; }
.card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(22,50,79,.55), rgba(15,28,43,.55));
  transition: opacity .25s var(--ease);
}
.card:hover .card-img::after { opacity: .15; }
.card-body { padding: 18px 20px 20px; position: relative; }
.card-body::before {
  content: ''; position: absolute; top: 0; left: 20px; width: 32px; height: 3px;
  background: var(--amber); transform: scaleX(0); transform-origin: left;
  transition: transform .25s var(--ease);
}
.card:hover .card-body::before { transform: scaleX(1); }
.card .eyebrow { font-size: 0.68rem; margin-bottom: 6px; }
.card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.card p { font-size: 0.88rem; color: var(--muted); margin-bottom: 10px; }
.card .go { font-weight: 600; font-size: 0.88rem; color: var(--panel); }

/* generated imagery (until photography lands) */
.ci-res { background: radial-gradient(340px 120px at 80% 0%, rgba(240,163,28,.5), transparent 60%), repeating-linear-gradient(100deg, rgba(255,255,255,.14) 0 2px, transparent 2px 26px), linear-gradient(160deg, #2a5480, #16324F); }
.ci-com { background: radial-gradient(340px 120px at 20% 0%, rgba(240,163,28,.4), transparent 60%), repeating-linear-gradient(0deg, rgba(255,255,255,.12) 0 2px, transparent 2px 22px), linear-gradient(200deg, #1E4066, #0F1C2B); }
.ci-ind { background: radial-gradient(340px 120px at 60% -10%, rgba(240,163,28,.35), transparent 55%), repeating-linear-gradient(90deg, rgba(255,255,255,.1) 0 3px, transparent 3px 34px), linear-gradient(160deg, #16324F, #0F1C2B); }
.ci-agr { background: radial-gradient(340px 130px at 85% -10%, rgba(240,163,28,.55), transparent 62%), repeating-linear-gradient(12deg, rgba(255,255,255,.12) 0 2px, transparent 2px 18px), linear-gradient(170deg, #2a5480, #133049); }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 24px; }
.stat .num { font-family: var(--display); font-weight: 800; font-size: clamp(2.2rem, 4vw, 3rem); line-height: 1; font-variant-numeric: tabular-nums; }
.stat .num .suffix { color: var(--amber); }
.stat .lbl { font-family: var(--mono); font-size: 0.72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-dark); margin-top: 10px; }
.section:not(.dark) .stat .lbl { color: var(--muted); }

/* ---------- process / energy line ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step .n { font-family: var(--mono); font-size: 0.78rem; color: var(--amber-deep); letter-spacing: .1em; }
.step h3 { font-size: 1rem; margin: 8px 0 6px; }
.step p { font-size: 0.85rem; color: var(--muted); }
.energy { margin: 4px 0 22px; display: block; }
.energy path { stroke: var(--amber); stroke-width: 2; fill: none; stroke-dasharray: 6 10; animation: flow 3s linear infinite; }
.energy circle { fill: var(--amber); }
@keyframes flow { to { stroke-dashoffset: -64; } }

/* ---------- pain stats / triage ---------- */
.pains { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.pain { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 24px; }
.section.sand .pain { background: var(--paper); }
.pain .stat-v { font-family: var(--display); font-weight: 800; font-size: 1.9rem; font-variant-numeric: tabular-nums; }
.pain .stat-l { font-size: 0.88rem; color: var(--muted); margin-top: 6px; }

.triage { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.triage .card-body { padding-top: 22px; }

/* ---------- packages table ---------- */
.pkg-table-wrap { overflow-x: auto; }
.pkg-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; font-size: 0.95rem; }
.pkg-table th { font-family: var(--mono); font-size: 0.7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); text-align: left; padding: 14px 18px; border-bottom: 2px solid var(--night); }
.pkg-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.pkg-table tr:last-child td { border-bottom: 0; }
.pkg-table .size { font-family: var(--display); font-weight: 800; font-size: 1.15rem; white-space: nowrap; }
.pkg-table .units { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); white-space: nowrap; }

/* ---------- pros/cons ---------- */
.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pc { border-radius: 6px; padding: 26px 28px; }
.pc.pros { background: #fff; border: 1px solid var(--line); }
.pc.cons { background: var(--sand); }
.pc h3 { margin-bottom: 14px; }
.pc ul { margin: 0; padding: 0; list-style: none; }
.pc li { padding: 8px 0 8px 26px; position: relative; font-size: 0.95rem; border-top: 1px solid var(--line); }
.pc li:first-child { border-top: 0; }
.pc.pros li::before { content: '+'; position: absolute; left: 4px; color: var(--amber-deep); font-family: var(--mono); font-weight: 500; }
.pc.cons li::before { content: '–'; position: absolute; left: 4px; color: var(--muted); font-family: var(--mono); font-weight: 500; }

/* ---------- spec table (dark) ---------- */
.spec-table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.spec-table td { padding: 12px 4px; border-bottom: 1px solid rgba(251,248,241,.14); }
.spec-table td:first-child { color: var(--muted-dark); font-family: var(--mono); font-size: 0.76rem; letter-spacing: .06em; text-transform: uppercase; }
.spec-table td:last-child { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }

.split { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(28px, 5vw, 56px); align-items: start; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px;
  padding: 20px 2px; font-weight: 600; font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-family: var(--mono); color: var(--amber-deep); flex: none; }
.faq details[open] summary::after { content: '–'; }
.faq .a { padding: 0 2px 22px; color: var(--muted); max-width: 68ch; }

/* ---------- quote / example card ---------- */
.quote-card { background: var(--sand); border-radius: 6px; padding: 36px 40px; position: relative; clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%); }
.quote-card .bill { font-family: var(--display); font-weight: 800; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.quote-card .bill s { color: var(--muted); text-decoration-color: var(--amber); }
.quote-card p { max-width: 60ch; }
.quote-card .who { margin-top: 16px; font-family: var(--mono); font-size: 0.75rem; letter-spacing: .06em; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band { padding: clamp(48px, 8vw, 88px) 0; }
.cta-band .in {
  background:
    radial-gradient(700px 300px at 85% -20%, rgba(240,163,28,.28), transparent 60%),
    repeating-linear-gradient(100deg, rgba(255,255,255,.04) 0 2px, transparent 2px 80px),
    linear-gradient(160deg, var(--panel), var(--night) 70%);
  color: var(--paper); border-radius: 8px;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  padding: clamp(36px, 6vw, 64px);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.cta-band h2 { color: var(--paper); max-width: 18ch; }
.cta-band .sub { color: var(--muted-dark); margin-top: 10px; max-width: 44ch; }

/* ---------- forms ---------- */
.form-grid { display: grid; gap: 16px; max-width: 560px; }
label { font-weight: 600; font-size: 0.92rem; display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%; font-family: var(--body); font-size: 1rem; color: var(--ink);
  background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--panel); outline-offset: 0; border-color: var(--panel); }
.field-note { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }

/* ---------- calculator ---------- */
.calc-result { background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 28px; margin-top: 8px; }
.calc-result .big { font-family: var(--display); font-weight: 800; font-size: 2rem; font-variant-numeric: tabular-nums; }
.calc-rows { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 20px; margin-top: 8px; }
.calc-rows .lbl { font-family: var(--mono); font-size: 0.7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-top: 6px; }
.assumptions { font-size: 0.85rem; color: var(--muted); }
.assumptions summary { cursor: pointer; font-family: var(--mono); font-size: 0.75rem; letter-spacing: .08em; text-transform: uppercase; padding: 12px 0; }
.checking { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }

/* ---------- footer ---------- */
.site-footer {
  background:
    repeating-linear-gradient(100deg, rgba(255,255,255,.03) 0 2px, transparent 2px 80px),
    var(--night);
  color: var(--muted-dark); padding: 64px 0 40px; margin-top: clamp(40px, 7vw, 72px);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.site-footer .logo { color: var(--paper); }
.site-footer h4 { color: var(--paper); font-size: 0.95rem; margin: 0 0 6px; }
.site-footer .edge-rule { width: 24px; margin-bottom: 12px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--muted-dark); text-decoration: none; font-size: 0.93rem; }
.site-footer a:hover { color: var(--paper); }
.footer-about { font-size: 0.9rem; max-width: 36ch; margin-top: 14px; }
.footer-bottom { border-top: 1px solid rgba(251,248,241,.12); margin-top: 44px; padding-top: 20px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-family: var(--mono); font-size: 0.72rem; letter-spacing: .05em; }

/* ---------- WhatsApp FAB ---------- */
.wa-fab {
  position: fixed; right: 20px; bottom: 20px; z-index: 60;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--night); color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 32px -8px rgba(15,28,43,.5);
  text-decoration: none;
}
.wa-fab svg { width: 26px; height: 26px; fill: var(--amber); }
.wa-fab { animation: pulse 8s var(--ease) infinite; }
@keyframes pulse {
  0%, 92%, 100% { transform: scale(1); }
  95% { transform: scale(1.08); }
}

/* ---------- breadcrumb-ish page label ---------- */
.crumb { font-family: var(--mono); font-size: 0.72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-dark); margin-bottom: 18px; }
.crumb a { color: var(--muted-dark); text-decoration: none; }
.crumb a:hover { color: var(--paper); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .nav {
    position: fixed; inset: 68px 0 auto 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--paper); border-bottom: 1px solid var(--line);
    padding: 8px 16px 16px; margin: 0;
    display: none;
  }
  .nav.open { display: flex; }
  .nav a.top { padding: 13px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
  .nav .drop {
    position: static; opacity: 1; visibility: visible; transform: none;
    box-shadow: none; border: 0; background: transparent; padding: 0 0 0 16px; margin: 0;
  }
  .nav .drop a { padding: 10px 8px; color: var(--muted); }
  .nav-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    margin-left: auto; width: 44px; height: 44px;
    background: transparent; border: 1px solid var(--line); border-radius: 4px;
    font-size: 1.15rem; cursor: pointer; color: var(--ink);
  }
  .header-cta .btn { display: none; }
  .header-cta { margin-left: 0; }
  .pros-cons { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .hero-anim .hero-line > span { transform: none; }
  .js .hero-anim .hero-sub, .js .hero-anim .hero-ctas, .js .hero-anim .kw-chip { opacity: 1; }
  .js .reveal, .js .reveal-stagger > * { opacity: 1; transform: none; }
}