/* ============================================================
   BERTRAM ENDEAVOURS — style.css
   Light theme: teal-jade accents on a very light teal-white base
   ============================================================ */

:root {
  --ink: #0F2E2B;          /* deep teal-charcoal text */
  --ink-soft: #35524E;     /* secondary text */
  --bg: #F2FBFA;           /* very light teal-white */
  --surface: #FFFFFF;      /* card / panel surface */
  --accent: #14B8A6;       /* teal-jade */
  --accent-deep: #0E7166;  /* deep teal */
  --pale: #B5E8E0;         /* pale jade */
  --hairline: #D5EAE6;     /* subtle divider */
  --dark-btn: #0F2E2B;     /* dark button fill */
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background-color: var(--bg);
  overflow-x: hidden;
}

a {
  color: var(--accent-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

/* ---------- Scroll reveal (fade-up) ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Keyhole nav ---------- */
.keyhole-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 2px solid var(--accent);
}

.nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-word {
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--ink);
  font-size: 1.05rem;
}

.keyhole-glyph {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  position: relative;
}

.keyhole-glyph::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 70%;
  transform: translateX(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 7px solid var(--accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
  margin-right: auto;
}

.nav-links a {
  color: var(--ink-soft);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 0;
  position: relative;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links a.active {
  color: var(--ink);
}

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 3px;
  background: var(--accent);
}

.nav-cta {
  background: var(--accent);
  color: var(--ink) !important;
  padding: 10px 20px !important;
  border-radius: 6px;
  font-weight: 700;
}

.nav-cta:hover {
  text-decoration: none;
  background: var(--accent-deep);
  color: #FFFFFF !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle .bar {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--ink);
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--ink);
}

.btn-primary:hover {
  background: var(--accent-deep);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-outline {
  background: transparent;
  color: var(--accent-deep);
  border: 2px solid var(--accent-deep);
}

.btn-outline:hover {
  background: var(--accent-deep);
  color: #FFFFFF;
  text-decoration: none;
}

.btn-dark {
  background: var(--dark-btn);
  color: #FFFFFF;
}

.btn-dark:hover {
  background: var(--ink-soft);
  text-decoration: none;
}

/* ---------- Ladder hero ---------- */
.ladder-hero {
  background-color: var(--bg);
  padding: 80px 24px;
}

.hero-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
}

.eyebrow-chip {
  display: inline-block;
  background: var(--pale);
  color: var(--accent-deep);
  padding: 7px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  margin-bottom: 22px;
}

.hero-copy h1 {
  font-size: 2.7rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin-bottom: 22px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin-bottom: 32px;
  max-width: 560px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Ascending steps visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.steps {
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.step {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  border-radius: 4px 4px 0 0;
  padding-top: 16px;
  min-width: 0;
}

.step-label {
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.step-1 {
  height: 90px;
  background: var(--pale);
  color: var(--ink);
}

.step-2 {
  height: 130px;
  background: var(--accent);
  color: var(--ink);
}

.step-3 {
  height: 170px;
  background: var(--accent-deep);
  color: #FFFFFF;
}

.step-4 {
  height: 210px;
  background: var(--accent);
  color: var(--ink);
}

.flag {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--dark-btn);
  border-radius: 2px;
}

.baseline {
  height: 5px;
  background: var(--accent);
  width: 100%;
}

/* ---------- Statement row ---------- */
.statement-row {
  background-color: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.statement-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 24px;
  text-align: center;
}

.statement-text {
  font-size: 2rem;
  line-height: 1.35;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- Section head (shared) ---------- */
.section-head {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: center;
  padding: 0 24px;
}

.section-kicker {
  display: inline-block;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--accent-deep);
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: 2.1rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 14px;
}

.section-lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ---------- Vehicle rows ---------- */
.vehicle-rows {
  padding: 80px 24px;
  background-color: var(--bg);
}

.vehicle-list {
  max-width: 900px;
  margin: 0 auto;
}

.vehicle-row {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 30px 0;
  border-bottom: 1px solid var(--hairline);
}

.vehicle-row:last-child {
  border-bottom: none;
}

.vehicle-marker {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  background: var(--accent);
}

.vehicle-body {
  flex: 1;
}

.vehicle-body h3 {
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 8px;
}

.vehicle-body p {
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 620px;
}

.vehicle-square {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  background: var(--pale);
}

/* ---------- Bar line ---------- */
.bar-line {
  padding: 80px 24px;
  background-color: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.bars {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.bar-row {
  display: grid;
  grid-template-columns: 130px 1fr 52px;
  align-items: center;
  gap: 18px;
}

.bar-name {
  font-weight: 700;
  color: var(--ink);
}

.bar-track {
  height: 18px;
  background: #E4F1EE;
  border-radius: 3px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 3px;
}

.fill-teal { background: var(--accent); }
.fill-deep { background: var(--accent-deep); }
.fill-pale { background: var(--pale); }

.bar-pct {
  font-weight: 800;
  color: var(--accent-deep);
  text-align: right;
}

.bar-note {
  max-width: 760px;
  margin: 32px auto 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
  text-align: center;
}

/* ---------- Pledge two ---------- */
.pledge-two {
  padding: 80px 24px;
  background-color: var(--bg);
}

.pledge-grid {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.pledge-panel {
  padding: 28px 0 0;
}

.pledge-rule {
  height: 6px;
  width: 100%;
  margin-bottom: 22px;
}

.rule-teal { background: var(--accent); }
.rule-deep { background: var(--accent-deep); }

.pledge-panel h2 {
  font-size: 1.6rem;
  color: var(--ink);
  margin-bottom: 12px;
}

.pledge-panel p {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ---------- FAQ ---------- */
.faq-section {
  padding: 80px 24px;
  background-color: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--hairline);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: inherit;
}

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--accent-deep);
  flex-shrink: 0;
  line-height: 1;
}

.faq-question[aria-expanded="true"]::after {
  content: "−";
}

.faq-answer {
  display: none;
  padding: 0 0 22px;
}

.faq-answer.open {
  display: block;
}

.faq-answer p {
  color: var(--ink-soft);
  font-size: 1rem;
  max-width: 700px;
}

/* ---------- CTA band ---------- */
.cta-band {
  background-color: var(--accent);
  padding: 72px 24px;
}

.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.cta-inner h2 {
  font-size: 2.1rem;
  color: var(--ink);
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 1.1rem;
  color: var(--ink);
  margin-bottom: 28px;
}

/* ---------- Vault footer ---------- */
.vault-footer {
  background-color: var(--bg);
  border-top: 4px solid var(--accent);
}

.footer-top {
  max-width: 1140px;
  margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr;
  gap: 40px;
}

.footer-brand .keyhole-square {
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--accent);
  margin-right: 10px;
  vertical-align: middle;
}

.footer-word {
  font-size: 1.15rem;
}

.footer-desc {
  color: var(--ink-soft);
  margin-top: 12px;
  font-size: 0.95rem;
}

.footer-h {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
  margin-bottom: 14px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.98rem;
}

.footer-col a:hover {
  color: var(--ink);
  text-decoration: underline;
}

.footer-addr {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-legal {
  border-top: 1px solid var(--hairline);
}

.footer-legal p {
  max-width: 1140px;
  margin: 0 auto;
  padding: 20px 24px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.footer-legal a {
  color: var(--accent-deep);
  text-decoration: none;
}

.footer-legal a:hover {
  text-decoration: underline;
}

/* ---------- Secondary page hero ---------- */
.page-hero {
  background-color: var(--bg);
  padding: 80px 24px 56px;
}

.page-hero-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.page-hero-inner h1 {
  font-size: 2.6rem;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 20px;
}

/* ---------- Services grid ---------- */
.services-grid {
  max-width: 1140px;
  margin: 0 auto;
  padding: 24px 24px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.service-item {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 32px;
}

.service-marker {
  display: block;
  width: 28px;
  height: 6px;
  background: var(--accent);
  margin-bottom: 18px;
}

.service-item h2 {
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 12px;
}

.service-item p {
  color: var(--ink-soft);
}

/* ---------- Process ---------- */
.process-section {
  padding: 80px 24px;
  background-color: var(--surface);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.process-steps {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.process-step {
  padding: 24px 0 0;
  border-top: 6px solid var(--accent);
}

.step-num {
  font-weight: 800;
  color: var(--accent-deep);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  display: block;
  margin-bottom: 10px;
}

.process-step h3 {
  font-size: 1.2rem;
  color: var(--ink);
  margin-bottom: 10px;
}

.process-step p {
  color: var(--ink-soft);
  font-size: 0.98rem;
}

/* ---------- Contact grid ---------- */
.contact-grid {
  max-width: 1140px;
  margin: 0 auto;
  padding: 24px 24px 80px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-form-wrap h2,
.contact-details h2 {
  font-size: 1.6rem;
  color: var(--ink);
  margin-bottom: 20px;
}

.contact-form {
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 8px;
  padding: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-field label {
  font-weight: 700;
  color: var(--ink);
  font-size: 0.95rem;
}

.form-field input,
.form-field textarea {
  font-family: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--hairline);
  border-radius: 6px;
  background: #FFFFFF;
  color: var(--ink);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-note {
  margin-top: 16px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.detail-block {
  margin-bottom: 32px;
}

.detail-label {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-deep);
  margin-bottom: 4px;
}

.detail-value {
  color: var(--ink);
  display: block;
  margin-bottom: 12px;
}

a.detail-value {
  color: var(--accent-deep);
  text-decoration: none;
}

a.detail-value:hover {
  text-decoration: underline;
}

.detail-note {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-top: 4px;
}

.mini-faq {
  border-top: 1px solid var(--hairline);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-copy h1 {
    font-size: 2.1rem;
  }

  .pledge-grid,
  .services-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .statement-text {
    font-size: 1.5rem;
  }
}

@media (max-width: 820px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--surface);
    border-bottom: 2px solid var(--accent);
    display: none;
    padding: 12px 24px 20px;
  }

  .nav-links.nav-open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--hairline);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .keyhole-nav {
    position: sticky;
  }

  .nav-inner {
    position: relative;
  }

  .page-hero-inner h1 {
    font-size: 2rem;
  }
}

@media (max-width: 560px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .process-steps {
    grid-template-columns: 1fr;
  }

  .bar-row {
    grid-template-columns: 100px 1fr 44px;
    gap: 12px;
  }

  .hero-copy h1 {
    font-size: 1.8rem;
  }
}