/* Munshi Dentacare Limited — proposal site, clean-utility direction */

:root {
  --bg: #fafafa;
  --text: #10131a;
  --primary: #0b5fff;
  --border: rgba(16, 19, 26, 0.15);
  --border-strong: rgba(16, 19, 26, 0.28);
  --banner-h: 40px;
  --header-h: 76px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  padding-top: var(--banner-h);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "Poppins", "Inter", Arial, Helvetica, sans-serif;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--text);
}

p {
  margin: 0 0 1em;
  max-width: 62ch;
}

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

a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

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

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Proposal banner (fixed, unremovable by ordinary use) ---------- */

.proposal-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--banner-h);
  background: #10131a;
  color: #fafafa;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-family: "Inter", Arial, sans-serif;
  padding: 0 12px;
  text-align: center;
  letter-spacing: 0.01em;
}

/* ---------- Watermark (fixed, low density, decorative) ---------- */

.preview-watermark {
  position: fixed;
  inset: 0;
  z-index: 500;
  pointer-events: none;
  overflow: hidden;
}

.preview-watermark span {
  position: absolute;
  display: block;
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 700;
  font-size: 6vw;
  color: #10131a;
  opacity: 0.06;
  transform: rotate(-30deg);
  white-space: nowrap;
}

.preview-watermark span:nth-child(1) { top: 8%; left: -5%; }
.preview-watermark span:nth-child(2) { top: 42%; left: 30%; }
.preview-watermark span:nth-child(3) { top: 76%; left: -8%; }

/* ---------- Site header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: relative;
  z-index: 600;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-family: "Poppins", Arial, sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  line-height: 1.25;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.site-nav {
  display: flex;
  gap: 24px;
}

.site-nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  border-bottom-color: var(--primary);
}

.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-strong);
  padding: 8px 14px;
  border-radius: 4px;
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

.header-phone:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  position: relative;
}

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
}

.nav-toggle span::before { top: -6px; }
.nav-toggle span::after { top: 6px; }

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

.hero-band {
  background: var(--primary);
  color: #ffffff;
  padding: 72px 0;
}

.hero-band h1 {
  color: #ffffff;
  font-size: clamp(1.9rem, 4.2vw, 3.1rem);
  max-width: 18ch;
}

.hero-band p {
  color: #ffffff;
  font-size: 1.1rem;
  max-width: 56ch;
  opacity: 0.95;
}

.hero-band.compact {
  padding: 48px 0;
}

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

.section {
  padding: 56px 0;
}

.section-narrow {
  padding: 40px 0;
}

.section h2 {
  font-size: 1.6rem;
}

.section-lede {
  color: var(--text);
}

/* ---------- Card grid (2x2) ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.card {
  border: 1px solid var(--border-strong);
  padding: 28px;
  background: var(--bg);
}

.card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4em;
}

.card p {
  margin-bottom: 0;
  font-size: 0.97rem;
}

/* ---------- Info list (contact facts) ---------- */

.info-list {
  list-style: none;
  padding: 0;
  margin: 24px 0;
  border-top: 1px solid var(--border);
}

.info-list li {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.info-list dt,
.info-list .label {
  font-weight: 600;
  min-width: 140px;
}

.info-list a {
  text-decoration: none;
  font-weight: 600;
}

.info-list a:hover {
  text-decoration: underline;
}

.placeholder {
  color: var(--text);
  font-style: italic;
}

/* ---------- Contact strip ---------- */

.contact-strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}

.contact-strip .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-strip p {
  margin: 0;
}

.btn {
  display: inline-block;
  border: 1px solid var(--text);
  color: var(--text);
  text-decoration: none;
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.95rem;
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover {
  background: #0a52dd;
  color: #ffffff;
}

/* ---------- Form ---------- */

.enquiry-form {
  max-width: 640px;
  margin-top: 24px;
}

.form-row {
  margin-bottom: 20px;
}

.form-row label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  font-size: 0.95rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--border-strong);
  background: #ffffff;
  padding: 11px 12px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
}

.form-row textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  color: #b3261e;
  font-size: 0.85rem;
  margin-top: 6px;
  display: none;
}

.form-row.has-error input,
.form-row.has-error textarea {
  border-color: #b3261e;
}

.form-row.has-error .form-error {
  display: block;
}

.form-note {
  font-size: 0.85rem;
  color: var(--text);
  opacity: 0.8;
}

.form-success {
  border: 1px solid var(--primary);
  background: #eef4ff;
  padding: 18px 20px;
  margin-top: 24px;
  display: none;
}

.form-success.visible {
  display: block;
}

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

.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  margin-top: 24px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-grid nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.footer-grid nav a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-grid nav a:hover {
  color: var(--primary);
}

.footer-meta {
  font-size: 0.85rem;
  opacity: 0.8;
  margin: 0;
}

.footer-proposal-note {
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  padding-top: 16px;
  margin-top: 24px;
}

/* ---------- Responsive ---------- */

@media (max-width: 720px) {
  .card-grid {
    grid-template-columns: 1fr;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
  }

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

  .site-nav a {
    padding: 12px 24px;
    border-bottom: 1px solid var(--border);
  }

  .nav-toggle {
    display: flex;
  }

  .header-right {
    gap: 12px;
  }

  .hero-band {
    padding: 48px 0;
  }

  .contact-strip .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .info-list li {
    flex-direction: column;
    gap: 4px;
  }
}

@media (max-width: 420px) {
  .header-phone span.phone-label {
    display: none;
  }
}