/* ============================================
   Full Cycle Dryer Vent Cleaning
   Shared stylesheet — mobile first
   ============================================ */

:root {
  --navy: #1B3A5C;
  --navy-deep: #12283F;
  --steel: #3D7EA6;
  --amber: #F2A81D;
  --amber-dark: #C9880C;
  --paper: #F7F8FA;
  --ink: #22272E;
  --muted: #5A6675;
  --line: #D9DEE5;
  --white: #FFFFFF;

  --font-display: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Source Sans 3', 'Segoe UI', system-ui, sans-serif;

  --wrap: 1120px;
  --radius: 4px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--steel); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 0 0 0.5em;
  color: var(--navy);
}

h1 { font-size: 2rem; font-weight: 700; }
h2 { font-size: 1.6rem; font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 1.1em; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0 0 0.6em;
}

/* ---------- Header / Nav ---------- */

.site-header {
  background: var(--navy);
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

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

.brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border: 2.5px solid var(--amber);
  border-right-color: transparent;
  border-radius: 50%;
  transform: rotate(-45deg);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--white);
  letter-spacing: -0.01em;
  line-height: 1.1;
}

.brand-name span {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--amber);
}

#nav-toggle { position: absolute; opacity: 0; pointer-events: none; }

.nav-open {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 48px;
  min-height: 48px;
  padding: 12px;
  cursor: pointer;
  color: var(--white);
}

.nav-open span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  position: relative;
}

.nav-open span::before,
.nav-open span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--white);
}

.nav-open span::before { top: -7px; }
.nav-open span::after  { top: 7px; }

.nav-menu {
  display: none;
  width: 100%;
  background: var(--navy-deep);
  padding: 8px 0 20px;
}

#nav-toggle:checked ~ .nav-menu { display: block; }

.nav-menu ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: block;
  width: 100%;
  padding: 14px 20px;
  min-height: 48px;
  color: var(--white);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav-menu a:hover,
.nav-menu a:focus { background: var(--steel); }

.nav-menu a.active { color: var(--amber); font-weight: 700; }

.nav-call {
  display: block;
  margin: 16px 20px 0;
  padding: 14px 18px;
  background: var(--amber);
  color: var(--navy-deep) !important;
  font-family: var(--font-display);
  font-weight: 700;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius);
  border-bottom: none !important;
}

.nav-call:hover { background: var(--amber-dark) !important; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  padding: 15px 26px;
  min-height: 48px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  text-align: center;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-primary { background: var(--amber); color: var(--navy-deep); }
.btn-primary:hover { background: var(--amber-dark); color: var(--white); }

.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.55); }
.btn-outline:hover { background: var(--white); color: var(--navy); }

.btn-solid { background: var(--navy); color: var(--white); }
.btn-solid:hover { background: var(--steel); }

.btn-row { display: flex; flex-direction: column; gap: 12px; }

/* ---------- Hero ---------- */

.hero {
  background: var(--navy);
  color: var(--white);
  padding: 44px 0 52px;
}

.hero h1 { color: var(--white); font-size: 2.05rem; }
.hero .eyebrow { color: var(--amber); }

.hero-lead {
  font-size: 1.1rem;
  color: #D3DDE8;
  max-width: 44ch;
}

.hero-phone {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
}

.hero-phone:hover { color: var(--amber); }

/* ---------- Signature: duct cross-section ---------- */

.duct-panel {
  margin-top: 34px;
  background: var(--navy-deep);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 22px;
}

.duct-title {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #8FA8BF;
  margin: 0 0 18px;
}

.duct-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.duct-fig { text-align: center; }
.duct-fig svg { width: 100%; max-width: 150px; margin: 0 auto; }

.duct-cap {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  margin: 12px 0 2px;
}

.duct-sub { font-size: 0.8rem; color: #8FA8BF; line-height: 1.4; margin: 0; }

.duct-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.86rem;
  color: #C7D4E0;
  line-height: 1.55;
}

.lint-grow {
  transform-origin: center;
  animation: lint-fill 1.2s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

@keyframes lint-fill {
  from { transform: scale(0.35); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .lint-grow { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- Risk callouts ---------- */

.risk-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }

.risk {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 5px solid #C4553E;
  border-radius: var(--radius);
  padding: 24px;
}

.risk.efficiency { border-top-color: var(--amber); }
.risk h3 { margin-bottom: 0.45em; }
.risk p:last-child { margin-bottom: 0; }

/* ---------- Radius map ---------- */

.map-figure {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin: 0;
}

.map-figure svg { width: 100%; height: auto; display: block; }

.map-figure figcaption {
  font-size: 0.86rem;
  color: var(--muted);
  margin-top: 12px;
  line-height: 1.5;
}

.map-key {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  font-size: 0.84rem;
  color: var(--muted);
}

.map-key li { display: flex; align-items: center; gap: 7px; }

.key-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex: 0 0 11px;
}

.key-dot.base { background: var(--amber); }
.key-dot.city { background: var(--steel); }

/* ---------- Sections ---------- */

.section { padding: 46px 0; }
.section-alt { background: var(--paper); }
.section-navy { background: var(--navy); color: var(--white); }
.section-navy h2, .section-navy h3 { color: var(--white); }
.section-navy p { color: #D3DDE8; }

.section-head { max-width: 62ch; margin-bottom: 28px; }

/* ---------- Cards ---------- */

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

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--steel);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 { margin-bottom: 0.4em; }
.card p:last-child { margin-bottom: 0; }

.card-price {
  display: block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 12px;
}

/* ---------- Trust strip ---------- */

.trust {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.trust li {
  border-top: 3px solid var(--amber);
  padding-top: 14px;
}

.trust strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--navy);
  line-height: 1.1;
}

.section-navy .trust strong { color: var(--amber); }

.trust span { font-size: 0.94rem; color: var(--muted); }
.section-navy .trust span { color: #C7D4E0; }

/* ---------- Steps ---------- */

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }

.steps li {
  position: relative;
  padding: 0 0 22px 52px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--amber);
  background: var(--navy);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.steps li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 17px;
  top: 38px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}

.steps h3 { margin-bottom: 0.25em; }
.steps p { margin-bottom: 0; }

/* ---------- Checklist ---------- */

.checks { list-style: none; margin: 0 0 1.2em; padding: 0; }

.checks li {
  position: relative;
  padding: 0 0 10px 28px;
}

.checks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 9px;
  height: 5px;
  border-left: 2.5px solid var(--amber);
  border-bottom: 2.5px solid var(--amber);
  transform: rotate(-45deg);
}

/* ---------- Testimonials ---------- */

.quote {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  margin: 0;
}

.quote p { font-size: 1.02rem; font-style: italic; color: var(--ink); }

.quote footer {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted);
  font-style: normal;
}

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--steel);
  color: var(--white);
  padding: 40px 0;
  text-align: center;
}

.cta-band h2 { color: var(--white); }
.cta-band p { color: #EAF2F8; max-width: 52ch; margin-left: auto; margin-right: auto; }

.cta-phone {
  display: block;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  margin: 14px 0 18px;
}

.cta-phone:hover { color: var(--navy-deep); }

/* ---------- Service area ---------- */

.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.area-grid li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.95rem;
}

/* ---------- Forms ---------- */

.form-field { margin-bottom: 18px; }

.form-field label {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
  color: var(--navy);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  min-height: 48px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

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

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 3px solid rgba(61,126,166,0.35);
  border-color: var(--steel);
}

a:focus-visible,
button:focus-visible,
label:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

.form-note { font-size: 0.9rem; color: var(--muted); }

/* ---------- Contact details ---------- */

.contact-lead {
  background: var(--navy);
  color: var(--white);
  border-radius: var(--radius);
  padding: 26px;
  margin-bottom: 30px;
}

.contact-lead p { color: #D3DDE8; margin-bottom: 0.4em; }

.contact-lead a.big {
  display: block;
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--amber);
  text-decoration: none;
  line-height: 1.2;
}

.map-placeholder {
  background: var(--paper);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  padding: 44px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.94rem;
}

/* ---------- Gallery placeholders ---------- */

.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.shot {
  background: var(--paper);
  border: 2px dashed var(--line);
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  font-size: 0.82rem;
  color: var(--muted);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--navy-deep);
  color: #B9C7D6;
  padding: 40px 0 24px;
  font-size: 0.95rem;
}

.site-footer h3 {
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin-bottom: 0.9em;
}

.footer-cols { display: grid; grid-template-columns: 1fr; gap: 28px; }

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #B9C7D6; text-decoration: none; }
.site-footer a:hover { color: var(--amber); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 30px;
  padding-top: 18px;
  font-size: 0.85rem;
  color: #7E8FA1;
}

/* ============================================
   Tablet
   ============================================ */

@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.95rem; }
  .hero h1 { font-size: 2.7rem; }
  .hero { padding: 62px 0 70px; }
  .section { padding: 62px 0; }

  .btn-row { flex-direction: row; flex-wrap: wrap; }
  .cards { grid-template-columns: 1fr 1fr; }
  .trust { grid-template-columns: repeat(3, 1fr); }
  .area-grid { grid-template-columns: repeat(3, 1fr); }
  .shots { grid-template-columns: repeat(3, 1fr); }
  .footer-cols { grid-template-columns: 2fr 1fr 1fr; }
  .risk-grid { grid-template-columns: 1fr 1fr; }
  .duct-panel { padding: 28px; }
}

/* ============================================
   Desktop
   ============================================ */

@media (min-width: 1024px) {
  .hero h1 { font-size: 3.1rem; }
  .hero { padding: 80px 0 88px; }

  .hero-inner {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .duct-panel { margin-top: 0; }

  .nav-open { display: none; }

  .nav-menu {
    display: block;
    width: auto;
    background: transparent;
    padding: 0;
  }

  .nav-menu ul { display: flex; align-items: center; gap: 4px; }

  .nav-menu a {
    width: auto;
    padding: 10px 13px;
    min-height: auto;
    border-bottom: none;
    font-size: 0.95rem;
    border-radius: var(--radius);
  }

  .nav-call { margin: 0 0 0 10px; padding: 11px 18px; }

  .cards { grid-template-columns: repeat(3, 1fr); }
  .area-grid { grid-template-columns: repeat(4, 1fr); }

  .split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 48px;
    align-items: start;
  }
}

/* ---------- Honeypot (hidden from people, visible to bots) ---------- */

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* ---------- Simple centered pages (thank you, 404) ---------- */

.simple {
  padding: 60px 0 70px;
  text-align: center;
}

.simple .inner { max-width: 56ch; margin: 0 auto; }
.simple p { color: var(--muted); font-size: 1.05rem; }
.simple .btn-row { justify-content: center; }

@media (min-width: 768px) {
  .simple { padding: 90px 0 100px; }
}