/* Global site variables make color updates easy for beginners. */
:root {
  --bg: #071019;
  --bg-soft: #111d2d;
  --panel: rgba(13, 25, 39, 0.82);
  --panel-strong: rgba(8, 17, 28, 0.94);
  --line: rgba(188, 202, 219, 0.16);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text: #f6f1e7;
  --muted: #b7c1cf;
  --accent: #e9a24a;
  --accent-deep: #c96b26;
  --accent-cool: #79d1c4;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.42);
  --shadow-soft: 0 12px 35px rgba(0, 0, 0, 0.2);
  --radius: 28px;
  --max-width: 1180px;
  --font-main: "Trebuchet MS", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --font-heading: Georgia, "Times New Roman", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-main);
  background:
    radial-gradient(circle at top left, rgba(233, 162, 74, 0.15), transparent 24%),
    radial-gradient(circle at 85% 12%, rgba(121, 209, 196, 0.11), transparent 18%),
    linear-gradient(180deg, #071019 0%, #0c1725 36%, #09111b 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), transparent 90%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.06), transparent 0.45rem),
    radial-gradient(circle at 78% 10%, rgba(255, 255, 255, 0.05), transparent 0.4rem),
    radial-gradient(circle at 88% 34%, rgba(255, 255, 255, 0.04), transparent 0.35rem),
    radial-gradient(circle at 20% 76%, rgba(255, 255, 255, 0.04), transparent 0.35rem);
  opacity: 0.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea {
  font: inherit;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 20px 0 42px;
}

/* Shared header and navigation across every page. */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(6, 14, 23, 0.8);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(233, 162, 74, 0.4);
  border-radius: 18px;
  background:
    linear-gradient(160deg, rgba(233, 162, 74, 0.2), rgba(121, 209, 196, 0.08)),
    rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0.12em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.brand-text {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-tag {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.site-nav a {
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--muted);
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 50px;
  height: 50px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 4px auto;
  background: var(--text);
}

main {
  display: grid;
  gap: 34px;
}

.hero,
.page-hero,
.section,
.content-card,
.feature-card,
.timeline-card,
.report-card,
.future-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero,
.page-hero,
.section {
  padding: 40px;
}

.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 34px;
  min-height: 580px;
}

.hero::after,
.page-hero::after,
.section::after,
.content-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.04), transparent 30%),
    radial-gradient(circle at bottom right, rgba(233, 162, 74, 0.1), transparent 30%);
}

.hero-copy,
.hero-panel,
.section-heading,
.feature-card,
.timeline-card,
.content-card {
  position: relative;
  z-index: 1;
}

.eyebrow,
.mini-label {
  margin: 0 0 12px;
  color: var(--accent-cool);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.74rem;
  font-weight: 700;
}

.mini-label {
  color: var(--accent);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.05;
  font-family: var(--font-heading);
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(2.9rem, 7vw, 5.8rem);
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.32rem;
  margin-bottom: 12px;
}

p {
  margin: 0;
  color: var(--muted);
  line-height: 1.78;
}

.hero-text,
.section-text {
  max-width: 62ch;
  font-size: 1.07rem;
}

.hero-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.hero-ribbon span {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-size: 0.88rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.hero-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.button-row-left {
  justify-content: flex-start;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  color: #16130f;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--line-strong);
  color: var(--text);
}

.map-panel {
  display: grid;
  place-items: center;
  min-height: 100%;
  border-radius: 24px;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(8, 17, 28, 0.55), rgba(8, 17, 28, 0.88));
  background-size: 48px 48px, 48px 48px, auto;
}

.compass-ring {
  position: absolute;
  width: min(24vw, 260px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.compass-ring::before,
.compass-ring::after {
  content: "";
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
}

.compass-ring::before {
  inset: 50% 18% auto;
  height: 1px;
}

.compass-ring::after {
  inset: 18% auto 18% 50%;
  width: 1px;
}

.panel-card {
  width: min(100%, 360px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(5, 14, 24, 0.9);
  box-shadow: var(--shadow-soft);
}

.route-card h2 {
  font-size: 1.7rem;
}

.route-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.route-meta div {
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.route-meta span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.route-meta strong {
  font-size: 1rem;
}

.stats-grid,
.tools-grid,
.content-grid,
.contact-layout,
.log-grid {
  display: grid;
  gap: 20px;
}

.album-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.album-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(10, 20, 33, 0.84);
  box-shadow: var(--shadow-soft);
}

.album-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.stats-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 28px;
}

.compact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 0;
}

.stat-card,
.tool-card,
.content-card,
.feature-card,
.timeline-card {
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(10, 20, 33, 0.84);
  box-shadow: var(--shadow-soft);
}

.stat-card strong {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-family: var(--font-heading);
}

.stat-card span,
.tool-card p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
}

.tools-grid,
.content-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.status-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 20px;
  margin-top: 22px;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(6, 15, 27, 0.68);
}

.journal-preview {
  display: grid;
  gap: 24px;
}

.log-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.log-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(10, 20, 33, 0.8);
  box-shadow: var(--shadow-soft);
}

.tool-card a {
  display: inline-block;
  margin-top: 18px;
  color: var(--accent-cool);
  font-weight: 700;
}

.feature-band {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.timeline-list,
.simple-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.8;
}

.page-hero {
  padding: 30px 34px;
}

.calculator-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}

.calculator-card,
.report-card,
.future-card {
  padding: 30px;
}

.dashboard-stack {
  display: grid;
  gap: 18px;
}

/* Form styles for the solar calculator. */
.solar-form {
  margin-top: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-grid label {
  display: grid;
  gap: 8px;
}

.form-grid label span {
  color: var(--text);
  font-weight: 600;
}

.full-width {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid textarea {
  width: 100%;
  padding: 15px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--panel-strong);
  color: var(--text);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.form-grid textarea {
  resize: vertical;
  min-height: 130px;
}

.report-output {
  min-height: 170px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(5, 13, 23, 0.85);
  color: var(--text);
  line-height: 1.75;
  white-space: pre-wrap;
}

.gauge-card {
  padding: 26px 30px;
}

.balance-meter {
  position: relative;
  height: 18px;
  margin-top: 20px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.35);
}

.balance-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #d56437, #f3a64b 45%, #6ed1c5);
  transition: width 0.25s ease;
}

.balance-scale {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.82rem;
}

.contact-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 34px;
  padding: 24px 8px 0;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 980px) {
  .hero,
  .split-section,
  .feature-band,
  .calculator-layout {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tools-grid,
  .content-grid,
  .contact-layout,
  .log-grid,
  .status-band,
  .album-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(calc(100% - 20px), var(--max-width));
  }

  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .nav-toggle {
    display: inline-block;
    margin-left: auto;
  }

  .site-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 6px;
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
  }

  .hero,
  .page-hero,
  .section,
  .calculator-card,
  .report-card,
  .future-card {
    padding: 26px 20px;
  }

  .form-grid,
  .compact-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}