/* =====================================================================
   My Custom ADU — Houston Metro Custom Builder
   Color: warm-modern construction palette (clay + warm navy + cream)
   ===================================================================== */

:root {
  --color-bg:          #faf7f3;     /* cream page */
  --color-bg-soft:     #f1ece4;       /* warm stone */
  --color-primary:     #0f2540;      /* deep navy */
  --color-primary-dk:  #081831;
  --color-accent:      #c97b3f;      /* clay / terracotta — ADU warmth */
  --color-accent-dk:   #a55d28;
  --color-text:        #1a2533;
  --color-text-muted:  #5b6573;
  --color-border:      #e3dccd;
  --color-success:     #2a7d4a;
  --color-error:       #c5392b;

  --shadow-sm: 0 1px 3px rgba(15,37,64,.06), 0 2px 6px rgba(15,37,64,.04);
  --shadow-md: 0 4px 12px rgba(15,37,64,.08), 0 8px 24px rgba(15,37,64,.06);
  --shadow-lg: 0 8px 24px rgba(15,37,64,.12), 0 24px 48px rgba(15,37,64,.10);

  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 18px;

  --container-max: 1200px;
  --container-pad: 48px;     /* dramatic-first padding per Anndy's preference */

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent-dk); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.eyebrow-light { color: #f0c39a; }

/* ---------- Top promo banner ---------- */
.promo-banner {
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dk));
  color: #fff;
  text-align: center;
  padding: 12px 16px;
  font-size: 14px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.promo-icon { color: var(--color-accent); }
.promo-cta {
  color: #fff;
  background: var(--color-accent);
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.promo-cta:hover { background: var(--color-accent-dk); text-decoration: none; }

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,247,243,.95);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-primary);
  text-decoration: none;
}
.nav-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dk));
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 20px;
}
.nav-brand-name {
  display: block;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.nav-brand-sub {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
}
.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}
.nav-links a:hover { color: var(--color-accent-dk); }
.nav-cta {
  background: var(--color-accent);
  color: #fff !important;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 700 !important;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--color-accent-dk); }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-primary);
  margin: 6px 0;
  transition: 0.3s;
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(7px, 7px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(201,123,63,.18), transparent 55%),
    radial-gradient(ellipse at bottom left, rgba(15,37,64,.10), transparent 50%),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-soft) 100%);
  z-index: -1;
}
.hero-content {
  max-width: 820px;
  margin-left: 0;
  margin-right: auto;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 18px;
}
.hero-title {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 0 0 24px;
}
.hero-sub {
  font-size: 19px;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin: 0 0 36px;
  max-width: 660px;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.btn {
  display: inline-block;
  padding: 18px 32px;
  font-size: 16px;
  font-weight: 700;
  border-radius: 10px;
  text-decoration: none;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
  border: 0;
  cursor: pointer;
  text-align: center;
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--color-accent-dk);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 2px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dk);
  text-decoration: none;
}
.btn-full { width: 100%; }
.hero-trust {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
  color: var(--color-text);
  font-weight: 600;
}

/* ---------- Trust strip ---------- */
.trust-strip {
  background: var(--color-primary);
  color: #fff;
  padding: 36px 0;
}
.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.trust-item strong {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.trust-item span {
  font-size: 14px;
  color: rgba(255,255,255,.85);
}

/* ---------- Section heads ---------- */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}
.section-head h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: 0 0 16px;
}
.section-head p {
  font-size: 18px;
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Services ---------- */
.services {
  padding: 100px 0;
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px 32px;
  text-decoration: none;
  color: var(--color-text);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  box-shadow: var(--shadow-sm);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}
.service-icon {
  font-size: 36px;
  margin-bottom: 16px;
}
.service-card h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}
.service-card p {
  margin: 0 0 20px;
  color: var(--color-text-muted);
  flex: 1;
}
.service-link {
  font-weight: 700;
  color: var(--color-accent-dk);
  font-size: 15px;
}

/* ---------- Process ---------- */
.process {
  padding: 100px 0;
  background: var(--color-bg-soft);
}
.process-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}
.process-steps li {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  position: relative;
  border-top: 4px solid var(--color-accent);
}
.step-num {
  display: inline-block;
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  text-align: center;
  line-height: 44px;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 16px;
}
.process-steps h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 10px;
}
.process-steps p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
}

/* ---------- Costs ---------- */
.costs { padding: 100px 0; }
.cost-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.cost-card {
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  position: relative;
}
.cost-card-featured {
  background: linear-gradient(180deg, #fff, #fdf6ef);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}
.cost-tag {
  display: inline-block;
  background: var(--color-bg-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.cost-card-featured .cost-tag {
  background: var(--color-accent);
  color: #fff;
}
.cost-card h3 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 12px;
}
.cost-range {
  font-size: 32px;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.cost-card p {
  color: var(--color-text-muted);
  margin: 0;
}
.cost-disclaimer {
  margin-top: 36px;
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Areas ---------- */
.areas {
  padding: 100px 0;
  background: var(--color-bg-soft);
}
.areas-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.areas-grid li {
  background: #fff;
  padding: 14px 16px;
  border-radius: 8px;
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  border: 1px solid var(--color-border);
}
.areas-note {
  text-align: center;
  margin-top: 36px;
  font-size: 16px;
  color: var(--color-text-muted);
}

/* ---------- FAQ ---------- */
.faq { padding: 100px 0; }
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-list details {
  background: #fff;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0;
  margin-bottom: 14px;
  transition: border-color 0.2s;
}
.faq-list details[open] {
  border-color: var(--color-accent);
}
.faq-list summary {
  cursor: pointer;
  padding: 22px 24px;
  font-weight: 700;
  font-size: 17px;
  color: var(--color-primary);
  list-style: none;
  position: relative;
  padding-right: 56px;
}
.faq-list summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform 0.2s;
}
.faq-list details[open] summary::after {
  content: '−';
}
.faq-list details p {
  padding: 0 24px 22px;
  margin: 0;
  color: var(--color-text-muted);
}

/* ---------- Contact ---------- */
.contact {
  padding: 80px 0;
  background: var(--color-bg);
}
.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: stretch;
}
.contact-left h2 {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 18px;
  letter-spacing: -0.02em;
}
.contact-left > p {
  font-size: 18px;
  color: var(--color-text-muted);
  margin: 0 0 36px;
  max-width: 460px;
}
.contact-info {
  list-style: none;
  padding: 0;
  margin: 0;
}
.contact-info li {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 16px;
  color: var(--color-text);
}
.contact-info strong { color: var(--color-primary); margin-right: 8px; }
.contact-info a { color: var(--color-accent-dk); font-weight: 600; }

.contact-right {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dk));
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.contact-right::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
}
.form-heading {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 24px;
  color: #fff;
  position: relative;
}
.form-heading::after {
  content: '';
  display: block;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, #5cb7ff, #1f6bd6);
  border-radius: 2px;
  margin: 12px auto 0;
}
.lead-form {
  position: relative;
}
.field { margin-bottom: 18px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 18px;
}
.field-row .field { margin-bottom: 0; }
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(255,255,255,.85);
}
.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 8px;
  font-family: inherit;
  font-size: 16px; /* 16px+ avoids iOS zoom */
  background: #fff;
  color: var(--color-text);
}
.field textarea { resize: vertical; min-height: 80px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 3px solid rgba(92,183,255,.5);
  outline-offset: 1px;
}
.btn-full { margin-top: 8px; }
.form-fineprint {
  font-size: 12px;
  color: rgba(255,255,255,.6);
  text-align: center;
  margin: 14px 0 0;
}
.form-status {
  margin-top: 14px;
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  text-align: center;
  font-weight: 600;
}
.status-pending { background: rgba(255,255,255,.1); color: #fff; }
.status-success { background: rgba(42,125,74,.25); color: #d4f0df; }
.status-error { background: rgba(197,57,43,.25); color: #f9d4cf; }

/* ---------- Footer ---------- */
.footer {
  background: var(--color-primary-dk);
  color: rgba(255,255,255,.85);
  padding: 56px 0 32px;
  font-size: 14px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr 1.5fr;
  gap: 40px;
}
.footer strong {
  color: #fff;
  font-size: 16px;
}
.footer a { color: rgba(255,255,255,.85); }
.footer a:hover { color: var(--color-accent); }
.footer-fineprint { color: rgba(255,255,255,.6); font-size: 13px; }

/* ---------- Sticky mobile CTA ---------- */
.sticky-mobile {
  display: none;
  position: fixed;
  bottom: 16px;
  right: 16px;
  left: 16px;
  background: var(--color-accent);
  color: #fff;
  text-align: center;
  padding: 16px;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

/* ===================================================
   RESPONSIVE — 4 breakpoints: 1100 / 900 / 600 / 380
   =================================================== */

@media (max-width: 1100px) {
  .container { padding: 0 40px; }
  .services-grid, .cost-grid { grid-template-columns: repeat(2, 1fr); }
  .areas-grid { grid-template-columns: repeat(5, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .process-steps li:nth-child(4),
  .process-steps li:nth-child(5) { grid-column: span 1; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --container-pad: 32px; }
  .nav { padding: 0; }
  .nav-inner { height: 64px; }
  .nav-brand-sub { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 64px;
    right: 0;
    bottom: 0;
    left: 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: flex-start;
    padding: 32px var(--container-pad);
    gap: 18px;
    transform: translateX(100%);
    transition: transform 0.3s;
    overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 18px; padding: 12px 0; width: 100%; }
  .nav-cta { width: 100%; text-align: center; }

  .hero { padding: 60px 0 60px; }
  .hero-title { font-size: 38px; }
  .hero-sub { font-size: 17px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn { padding: 16px 24px; }

  .contact-inner { grid-template-columns: 1fr; gap: 32px; }

  .sticky-mobile { display: block; }
}

@media (max-width: 600px) {
  :root { --container-pad: 24px; }
  body { padding-bottom: 80px; } /* space for sticky CTA */
  .promo-banner { font-size: 13px; padding: 10px 12px; }
  .hero { padding: 48px 0 48px; }
  .hero-title { font-size: 32px; }
  .hero-trust { gap: 16px; font-size: 14px; }
  .services-grid, .cost-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }
  .areas-grid { grid-template-columns: repeat(3, 1fr); }
  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .trust-item strong { font-size: 26px; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .field-row { grid-template-columns: 1fr; }
  .contact-right { padding: 32px 24px; }
  .nav-brand-name { font-size: 16px; }
  .nav-mark { width: 38px; height: 38px; font-size: 18px; }
}

@media (max-width: 380px) {
  :root { --container-pad: 20px; }
  .hero-title { font-size: 28px; }
  .btn { font-size: 15px; padding: 14px 20px; }
  .areas-grid { grid-template-columns: repeat(2, 1fr); }
}

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