/* ============================================================
   SMR SOLAR EPC — Design tokens
   Forest green / vivid green / mint, Space Grotesk + IBM Plex Sans
   ============================================================ */
:root {
  --forest: #123528;
  --forest-deep: #0D2B1F;
  --green: #3F9E5C;
  --green-bright: #7ED957;
  --mint: #F5F8F6;
  --paper: #FFFFFF;
  --ink: #16241D;
  --ink-soft: #4B5C52;
  --line: #DCE6DF;

  --display: 'Space Grotesk', sans-serif;
  --body: 'IBM Plex Sans', sans-serif;

  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.01em;
}
p { margin: 0; }
.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 640px) {
  .wrap { padding: 0 20px; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.wordmark {
  text-decoration: none;
  color: var(--forest);
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
}
.wordmark-icon {
  height: 34px;
  width: auto;
  flex-shrink: 0;
  display: block;
}
.wordmark-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  font-family: var(--display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
}
.wordmark-sub {
  font-family: var(--body);
  font-weight: 400;
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-links a {
  text-decoration: none;
  font-size: 15px;
  color: var(--ink);
  position: relative;
  padding: 4px 0;
}
.nav-links a[aria-current="page"] {
  color: var(--forest);
  font-weight: 600;
}
.nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--green);
}
.btn {
  font-family: var(--body);
  font-weight: 600;
  font-size: 14.5px;
  border: none;
  border-radius: 8px;
  padding: 12px 22px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn-primary {
  background: var(--green);
  color: var(--forest-deep);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(63,158,92,0.35); }
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1.5px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover { border-color: var(--green-bright); }
.btn-outline {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--forest);
}
.btn-outline:hover { background: var(--forest); color: var(--paper); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.lang-toggle {
  font-family: var(--body);
  font-weight: 600;
  font-size: 13.5px;
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--line);
  border-radius: 6px;
  padding: 7px 13px;
  cursor: pointer;
}
.lang-toggle:hover { border-color: var(--green); color: var(--green); }
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--forest);
  margin: 5px 0;
}
@media (max-width: 820px) {
  .nav-links { position: fixed; top: 76px; left: 0; right: 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; gap: 0; border-bottom: 1px solid var(--line);
    padding: 8px 20px 20px; transform: translateY(-8px); opacity: 0; pointer-events: none; transition: all 0.18s ease; }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
  .nav-links a { width: 100%; padding: 12px 0; border-bottom: 1px solid var(--line); }
  .nav-links .btn { margin-top: 12px; }
  .nav-links .lang-toggle { margin-top: 10px; width: auto; }
  .nav-toggle { display: block; }
}

/* ---------- Hero (dark) ---------- */
.hero {
  background: linear-gradient(165deg, var(--forest) 0%, var(--forest-deep) 100%);
  color: var(--paper);
  padding: 88px 0 96px;
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}
.hero-kicker {
  color: var(--green-bright);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(34px, 4.4vw, 54px);
  color: var(--paper);
}
.hero p.lead {
  margin-top: 20px;
  font-size: 17.5px;
  color: #C7DBCD;
  max-width: 46ch;
}
.hero-actions {
  margin-top: 34px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stat {
  border-left: 2px solid var(--green);
  padding-left: 16px;
  margin-top: 40px;
}
.hero-stat b {
  display: block;
  font-family: var(--display);
  font-size: 28px;
  color: var(--paper);
}
.hero-stat span { color: #A9C3B0; font-size: 14px; }

.hero-art {
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/5;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  position: relative;
}
.hero-art svg { width: 100%; height: 100%; }

.page-hero {
  background: linear-gradient(165deg, var(--forest) 0%, var(--forest-deep) 100%);
  color: var(--paper);
  padding: 72px 0 64px;
}
.page-hero .hero-kicker { margin-bottom: 14px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); color: var(--paper); max-width: 22ch; }
.page-hero p.lead { margin-top: 16px; font-size: 17px; color: #C7DBCD; max-width: 58ch; }

/* ---------- Stats strip ---------- */
.stats {
  background: var(--mint);
  border-bottom: 1px solid var(--line);
}
.stats .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 44px 32px;
}
.stat b {
  font-family: var(--display);
  font-size: 30px;
  color: var(--forest);
  display: block;
}
.stat span { color: var(--ink-soft); font-size: 14.5px; }
@media (max-width: 700px) {
  .stats .wrap { grid-template-columns: 1fr; text-align: left; padding: 32px 20px; gap: 20px; }
}

/* ---------- Sections ---------- */
section { padding: 88px 0; }
.section-tight { padding: 64px 0; }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); color: var(--forest); }
.section-head p { margin-top: 14px; font-size: 16.5px; color: var(--ink-soft); }

/* Why grid — asymmetric, no cards */
.why {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 64px;
}
.why-intro h2 { font-size: clamp(26px, 3vw, 34px); color: var(--forest); max-width: 12ch; }
.why-intro p { margin-top: 18px; color: var(--ink-soft); font-size: 16px; max-width: 34ch; }
.why-list { display: flex; flex-direction: column; }
.why-item {
  border-top: 1px solid var(--line);
  padding: 26px 0;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 24px;
}
.why-item:last-child { border-bottom: 1px solid var(--line); }
.why-item h3 { font-size: 19px; color: var(--forest); }
.why-item p { color: var(--ink-soft); font-size: 15.5px; }
@media (max-width: 820px) {
  .why { grid-template-columns: 1fr; gap: 32px; }
  .why-item { grid-template-columns: 1fr; gap: 8px; }
}

/* Process — legitimate numbered sequence */
.process { background: var(--mint); }
.process-row {
  display: grid;
  grid-template-columns: 90px 1fr 1.4fr;
  gap: 24px;
  align-items: baseline;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.process-row:last-child { border-bottom: 1px solid var(--line); }
.process-num { font-family: var(--display); font-size: 22px; color: var(--green); }
.process-row h3 { font-size: 19px; color: var(--forest); }
.process-row p { color: var(--ink-soft); font-size: 15.5px; }
@media (max-width: 820px) {
  .process-row { grid-template-columns: 50px 1fr; }
  .process-row p { grid-column: 1 / -1; margin-top: 4px; }
}

/* CTA band */
.cta-band {
  background: var(--forest);
  color: var(--paper);
  padding: 64px 0;
  text-align: left;
}
.cta-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-band h2 { color: var(--paper); font-size: clamp(24px, 3vw, 32px); max-width: 20ch; }

/* Footer */
.site-footer {
  background: var(--forest-deep);
  color: #A9C3B0;
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid .wordmark { color: var(--paper); }
.footer-grid .wordmark-sub { color: #A9C3B0; }
.footer-col h4 { font-family: var(--body); font-weight: 600; color: var(--paper); font-size: 14.5px; margin-bottom: 14px; }
.footer-col a, .footer-col p { display: block; text-decoration: none; color: #A9C3B0; font-size: 14.5px; margin-bottom: 10px; }
.footer-col a:hover { color: var(--green-bright); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 13px;
  color: #7C9787;
  flex-wrap: wrap;
  gap: 8px;
}
@media (max-width: 700px) {
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- Gallery (dynamic, from Google Sheet) ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  background: var(--mint);
  border: 1px solid var(--line);
}
.gallery-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: var(--mint);
}
.gallery-caption {
  padding: 12px 14px;
  font-size: 13.5px;
  color: var(--ink-soft);
}
@media (max-width: 820px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .gallery-grid { grid-template-columns: 1fr; }
}
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
  padding: 40px 20px;
  font-style: italic;
}

/* ---------- Testimonials (dynamic, from Google Sheet) ---------- */
.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 24px;
}
.testimonial-quote {
  font-style: italic;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  margin-bottom: 16px;
}
.testimonial-quote::before { content: "\201C"; }
.testimonial-quote::after { content: "\201D"; }
.testimonial-meta {
  font-size: 13.5px;
  color: var(--ink-soft);
  font-weight: 600;
}
@media (max-width: 820px) {
  .testimonial-grid { grid-template-columns: 1fr; }
}

/* ---------- About page ---------- */
.story {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.story p + p { margin-top: 16px; }
.story p { color: var(--ink-soft); font-size: 16px; }
.pull-quote {
  position: relative;
  border-left: 3px solid var(--green);
  padding: 8px 0 8px 32px;
  font-family: var(--display);
  font-size: 22px;
  color: var(--forest);
  line-height: 1.4;
}
.pull-quote::before {
  content: "\201C";
  position: absolute;
  left: 8px;
  top: 2px;
  font-family: var(--display);
  font-size: 48px;
  font-weight: 700;
  color: var(--green);
  line-height: 1;
}
.values-list { display: flex; flex-direction: column; }
.value-item { border-top: 1px solid var(--line); padding: 22px 0; }
.value-item:last-child { border-bottom: 1px solid var(--line); }
.value-item h3 { font-size: 17.5px; color: var(--forest); margin-bottom: 6px; }
.value-item p { color: var(--ink-soft); font-size: 15px; }
@media (max-width: 820px) {
  .story { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Services page ---------- */
.service-row {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  display: grid;
  grid-template-columns: 0.9fr 2.1fr;
  gap: 32px;
}
.service-row:last-child { border-bottom: 1px solid var(--line); }
.service-row h3 { font-size: 21px; color: var(--forest); }
.service-row .tag {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--green);
  font-weight: 600;
}
.service-row p { color: var(--ink-soft); font-size: 15.5px; margin-top: 6px; }
.service-row ul { margin: 14px 0 0; padding-left: 18px; color: var(--ink-soft); font-size: 15px; }
.service-row li { margin-bottom: 6px; }
@media (max-width: 820px) {
  .service-row { grid-template-columns: 1fr; gap: 12px; }
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: 64px;
}
.contact-info h3 { font-size: 15px; color: var(--forest); margin: 26px 0 8px; }
.contact-info h3:first-child { margin-top: 0; }
.contact-info p, .contact-info a { color: var(--ink-soft); font-size: 15.5px; text-decoration: none; }
.contact-info a:hover { color: var(--green); }

form.contact-form { display: flex; flex-direction: column; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--forest); }
.field input, .field select, .field textarea {
  font-family: var(--body);
  font-size: 15px;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--green);
  outline: none;
}
.field textarea { resize: vertical; min-height: 110px; }
.hp-field { position: absolute; left: -9999px; }
.form-response-msg {
  margin-top: 4px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14.5px;
}
.form-response-msg.success { background: #E6F4EA; color: #1C6B4A; border: 1px solid #B7E0C4; }
.form-response-msg.error { background: #FDECEC; color: #A32A2A; border: 1px solid #F3B9B9; }
.form-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 4px; }
@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
}