/* ============================================================
   SMITH ORTHOTICS — Global Stylesheet
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --red:        #C41C1C;
  --red-dark:   #A01515;
  --red-light:  #FFF5F5;
  --near-black: #1C1C1E;
  --body:       #3D3D3D;
  --muted:      #7A7A7A;
  --border:     #E5E5E5;
  --bg-alt:     #F7F7F5;
  --white:      #FFFFFF;
  --footer-bg:  #2A2A2A;
  --footer-txt: #F0F0F0;
  --radius:     6px;
  --max:        1160px;
  --shadow-sm:  0 1px 8px rgba(0,0,0,0.06);
  --shadow-nav: 0 2px 12px rgba(0,0,0,0.08);
  --transition: 0.2s ease;
}

/* ── Reset ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--body);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; }

/* ── Typography ──────────────────────────────────── */
h1 { font-size: clamp(32px, 5vw, 52px); font-weight: 700; line-height: 1.12; color: var(--near-black); }
h2 { font-size: clamp(26px, 3.5vw, 36px); font-weight: 700; line-height: 1.2;  color: var(--near-black); }
h3 { font-size: clamp(18px, 2vw, 22px);   font-weight: 600; line-height: 1.3;  color: var(--near-black); }
h4 { font-size: 17px; font-weight: 600; color: var(--near-black); }
p  { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 12px;
}

/* ── Layout ──────────────────────────────────────── */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section--alt { background: var(--bg-alt); }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}
.btn--primary:hover { background: var(--red-dark); border-color: var(--red-dark); }
.btn--outline {
  background: transparent;
  color: var(--red);
  border-color: var(--red);
}
.btn--outline:hover { background: var(--red-light); }
.btn--lg { padding: 14px 36px; font-size: 16px; }
.btn--full { width: 100%; justify-content: center; }

/* ── Navigation ──────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  border-color: var(--border);
  box-shadow: var(--shadow-nav);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 32px;
}
.nav__logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: flex-end;
}
.nav__links a {
  font-size: 15px;
  font-weight: 500;
  color: var(--body);
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
}
.nav__links a:hover { color: var(--red); background: var(--red-light); }
.nav__links a.active { color: var(--red); }
.nav__cta { margin-left: 8px; }

/* Mobile nav toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--near-black);
}
.nav__toggle svg { display: block; }
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 16px 0 24px;
  border-top: 1px solid var(--border);
  gap: 4px;
}
.nav__mobile a {
  font-size: 16px;
  font-weight: 500;
  color: var(--body);
  padding: 12px 16px;
  border-radius: var(--radius);
  display: block;
  transition: color var(--transition), background var(--transition);
}
.nav__mobile a:hover { color: var(--red); background: var(--red-light); }
.nav__mobile .btn { margin: 12px 16px 0; }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  padding: 80px 0 64px;
  background: var(--white);
  overflow: hidden;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}
.hero__text { max-width: 560px; }
.hero__text h1 { margin-bottom: 20px; }
.hero__text p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--muted);
  margin-bottom: 36px;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__image-wrap {
  background: var(--bg-alt);
  border-radius: 24px;
  padding: 48px 40px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__image-wrap img { max-width: 420px; width: 100%; }

/* Trust strip */
.trust-strip {
  border-top: 1px solid var(--border);
  margin-top: 56px;
  padding-top: 32px;
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.trust-strip__item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
}
.trust-strip__item svg { color: var(--red); flex-shrink: 0; }

/* ── Page Hero (inner pages) ─────────────────────── */
.page-hero {
  background: var(--bg-alt);
  padding: 64px 0;
  text-align: center;
}
.page-hero h1 { margin-bottom: 14px; }
.page-hero p {
  font-size: 18px;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 28px;
}

/* ── Pillars ──────────────────────────────────────── */
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.pillar-card {
  background: var(--white);
  border-radius: 12px;
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
}
.pillar-card__icon {
  width: 48px;
  height: 48px;
  background: var(--red-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--red);
}
.pillar-card h3 { margin-bottom: 10px; }
.pillar-card p { font-size: 15px; color: var(--muted); margin: 0; }

/* ── Split section ───────────────────────────────── */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 64px;
}
.split--reverse .split__image { order: -1; }
.split__image {
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-alt);
  padding: 40px;
  display: flex;
  justify-content: center;
}
.split__image img { border-radius: 8px; }
.split__text .label { margin-bottom: 12px; }
.split__text h2 { margin-bottom: 16px; }
.split__text p { color: var(--muted); margin-bottom: 24px; }

/* ── Shoe applications tag list ─────────────────── */
.shoe-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}
.shoe-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1.5px solid var(--border);
  border-radius: 40px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  background: var(--white);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
}
.shoe-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
  flex-shrink: 0;
  opacity: 0.5;
  transition: opacity var(--transition);
}
.shoe-tag:hover {
  border-color: var(--red);
  color: var(--red);
}
.shoe-tag:hover::before { opacity: 1; }

/* ── Accordion ───────────────────────────────────── */
.accordion { margin-top: 40px; display: flex; flex-direction: column; gap: 8px; }
.accordion details {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.accordion summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--near-black);
  list-style: none;
  user-select: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: '+';
  font-size: 20px;
  font-weight: 400;
  color: var(--red);
  transition: transform var(--transition);
}
.accordion details[open] summary::after { content: '−'; }
.accordion__body {
  padding: 0 24px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}
.accordion__body ul { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.accordion__body li::before { content: '→ '; color: var(--red); font-weight: 600; }

/* ── Contact section ─────────────────────────────── */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 40px;
  align-items: start;
  margin-top: 48px;
}
.contact-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.contact-card__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.contact-card__item svg {
  color: var(--red);
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-card__item strong { display: block; font-size: 13px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 2px; }
.contact-card__item span { font-size: 15px; font-weight: 500; color: var(--near-black); }

/* ── Forms ───────────────────────────────────────── */
.form { display: flex; flex-direction: column; gap: 16px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form__group { display: flex; flex-direction: column; gap: 6px; }
.form__group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--near-black);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form__group label .req { color: var(--red); margin-left: 2px; }
.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 15px;
  color: var(--near-black);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
}
.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(196,28,28,0.08);
}
.form__group input.error,
.form__group select.error,
.form__group textarea.error { border-color: var(--red); }
.form__group .error-msg { font-size: 12px; color: var(--red); margin-top: 2px; display: none; }
.form__group.has-error .error-msg { display: block; }
.form__group textarea { resize: vertical; min-height: 100px; }
.form__group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237A7A7A' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

/* Phone split */
.phone-row { display: grid; grid-template-columns: 100px 1fr; gap: 8px; align-items: end; }
.phone-sep { display: flex; align-items: center; padding-bottom: 11px; color: var(--muted); font-size: 18px; }

/* Checkboxes */
.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}
.form__checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  accent-color: var(--red);
  cursor: pointer;
  margin-top: 2px;
}
.form__checkbox span { font-size: 15px; color: var(--body); }

/* Radio groups */
.radio-group { display: flex; gap: 12px; flex-wrap: wrap; }
.radio-group label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
}
.radio-group input[type="radio"] { accent-color: var(--red); width: 16px; height: 16px; }

/* Form section headers */
.form-section {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  margin-top: 8px;
}
.form-section:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.form-section__label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 20px;
  display: block;
}

/* Collapsible form sections */
.form-section details { margin-bottom: 0; }
.form-section summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 0;
  list-style: none;
  padding-bottom: 16px;
}
.form-section summary::-webkit-details-marker { display: none; }
.form-section summary::after { content: '﹢'; font-size: 16px; font-weight: 400; }
.form-section details[open] summary { padding-bottom: 20px; }
.form-section details[open] summary::after { content: '−'; }
.form-section details .form-fields { display: flex; flex-direction: column; gap: 16px; }

/* ── Fitting steps ───────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 48px;
}
.step-card { text-align: center; }
.step-card__num {
  font-size: 48px;
  font-weight: 700;
  color: var(--red);
  line-height: 1;
  margin-bottom: 20px;
  opacity: 0.15;
}
.step-card__img {
  background: var(--white);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}
.step-card__img img { margin: 0 auto; max-width: 200px; }
.step-card h3 { margin-bottom: 10px; }
.step-card p { font-size: 15px; color: var(--muted); }

/* ── Product gallery ─────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}
.product-grid__item--wide { grid-column: span 2; }
.product-card {
  background: var(--bg-alt);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.product-card__img {
  flex: 1;
  padding: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}
.product-card__img img { max-height: 200px; width: auto; object-fit: contain; }
.product-card__label {
  background: var(--white);
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  border-top: 1px solid var(--border);
}

/* ── CTA Banner ──────────────────────────────────── */
.cta-banner {
  background: var(--red);
  padding: 72px 0;
  text-align: center;
}
.cta-banner h2 { color: var(--white); margin-bottom: 24px; }
.cta-banner .btn--outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.6);
}
.cta-banner .btn--outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

/* ── Materials rows ──────────────────────────────── */
.materials { display: flex; flex-direction: column; gap: 64px; }

/* ── Work order page header ──────────────────────── */
.wof-note {
  background: var(--red-light);
  border: 1px solid rgba(196,28,28,0.2);
  border-radius: 10px;
  padding: 16px 20px;
  font-size: 14px;
  color: var(--body);
  margin-bottom: 28px;
}
.wof-note strong { color: var(--red); }

/* Success message */
#form-success {
  display: none;
  text-align: center;
  padding: 60px 24px;
}
#form-success .success-icon {
  width: 64px;
  height: 64px;
  background: #E8F5E9;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  color: #2E7D32;
}
#form-success h3 { color: var(--near-black); margin-bottom: 10px; }
#form-success p { color: var(--muted); }

/* ── Footer ──────────────────────────────────────── */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-txt);
  padding: 64px 0 32px;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__logo {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
  background: var(--white);
  padding: 6px 12px;
  border-radius: var(--radius);
  display: block;
}
.footer__tagline { font-size: 14px; color: rgba(240,240,240,0.6); line-height: 1.6; }
.footer__col h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(240,240,240,0.5);
  margin-bottom: 16px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 10px; }
.footer__col li { font-size: 14px; display: flex; align-items: flex-start; gap: 8px; color: rgba(240,240,240,0.8); }
.footer__col li svg { flex-shrink: 0; margin-top: 2px; opacity: 0.5; }
.footer__bottom {
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(240,240,240,0.4);
  flex-wrap: wrap;
  gap: 12px;
}
.footer__bottom a { color: rgba(240,240,240,0.4); transition: color var(--transition); }
.footer__bottom a:hover { color: var(--footer-txt); }

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__image { display: none; }
  .pillars__grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--reverse .split__image { order: 0; }
  .shoe-grid { grid-template-columns: repeat(4, 1fr); }
  .contact__grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__col:first-child { grid-column: span 2; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .product-grid__item--wide { grid-column: span 2; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  :root { --max: 100%; }
  .section { padding: 56px 0; }
  .nav__links { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile.open { display: flex; }
  .pillars__grid { grid-template-columns: 1fr; }
  .shoe-grid { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 48px 0 40px; }
  .trust-strip { flex-direction: column; gap: 16px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__col:first-child { grid-column: span 1; }
  .footer__bottom { flex-direction: column; text-align: center; }
  .product-grid { grid-template-columns: 1fr; }
  .product-grid__item--wide { grid-column: span 1; }
}