/* ============================================================
   KARAT — Laurelwood Optometry
   styles.css
   KARAT: Replace domain references when going live on laurelwoodoptometry.com
   ============================================================ */

:root {
  /* KARAT: Brand colors */
  --color-primary: #16161d;
  --color-secondary: #ffffff;
  --color-background: #ffffff;
  --color-text: #16161d;
  --color-accent: #4a7c7e;
  --color-muted: #f4f4f2;
  --color-border: #e0e0dc;
  --color-text-light: #999;

  /* KARAT: Brand fonts — GFS Didot (display), PT Sans (body) */
  --font-display: 'GFS Didot', serif;
  --font-body: 'PT Sans', sans-serif;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 7rem;

  /* Layout */
  --max-width: 1100px;
  --nav-height: 72px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-background);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  margin-top: calc(var(--nav-height) * -1);
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }

p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
  font-size: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */

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

.section {
  padding: var(--space-lg) 0;
}

.section--muted {
  background-color: var(--color-muted);
}

.section__header {
  margin-bottom: var(--space-md);
}

.section__header h2 {
  margin-bottom: 0.5rem;
}

.section__header p {
  font-size: 1.05rem;
  max-width: 600px;
}

.divider {
  width: 48px;
  height: 2px;
  background-color: var(--color-accent);
  margin: var(--space-sm) 0;
}

/* ============================================================
   NAVIGATION
   ============================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-secondary);
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.nav__logo span {
  display: block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__links a {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.active {
  color: var(--color-secondary);
}

/* Dropdown */
.nav__dropdown {
  position: relative;
}

.nav__dropdown-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: rgba(255,255,255,0.8);
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0;
  transition: color 0.2s;
}

.nav__dropdown-toggle:hover {
  color: var(--color-secondary);
}

.nav__dropdown-toggle svg {
  width: 12px;
  height: 12px;
  transition: transform 0.2s;
}

.nav__dropdown.open .nav__dropdown-toggle svg {
  transform: rotate(180deg);
}

.nav__dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 16px);
  right: 0;
  background-color: var(--color-primary);
  min-width: 200px;
  padding: 0.5rem 0;
  border-top: 2px solid var(--color-accent);
}

.nav__dropdown.open .nav__dropdown-menu {
  display: block;
}

.nav__dropdown-menu a {
  display: block;
  padding: 0.6rem 1.2rem;
  color: rgba(255,255,255,0.75);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: color 0.2s, background-color 0.2s;
}

.nav__dropdown-menu a:hover {
  color: var(--color-secondary);
  background-color: rgba(255,255,255,0.05);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-secondary);
  transition: all 0.3s;
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  padding: var(--space-sm) var(--space-md) var(--space-md);
  z-index: 99;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.nav__mobile.open {
  display: block;
}

.nav__mobile a {
  display: block;
  color: rgba(255,255,255,0.8);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color 0.2s;
}

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

.nav__mobile a:hover {
  color: var(--color-secondary);
}

/* ============================================================
   PAGE OFFSET (for fixed nav)
   ============================================================ */

body {
  padding-top: var(--nav-height);
}

/* ============================================================
   HERO
   ============================================================ */

.hero {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: calc(var(--space-xl) + var(--nav-height)) 0 var(--space-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,124,126,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero__content {
  max-width: 680px;
  position: relative;
}

.hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.hero__sub {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.65);
  max-width: 520px;
  margin-bottom: var(--space-md);
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.85rem 2rem;
  transition: background-color 0.2s, color 0.2s, border-color 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn--primary:hover {
  background-color: #3d6e70;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-secondary);
  border: 1px solid rgba(255,255,255,0.35);
}

.btn--outline:hover {
  border-color: var(--color-secondary);
  background-color: rgba(255,255,255,0.07);
}

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn--outline-dark:hover {
  background-color: var(--color-primary);
  color: var(--color-secondary);
}

/* ============================================================
   CARDS
   ============================================================ */

.card-grid {
  display: grid;
  gap: var(--space-md);
}

.card-grid--2 { grid-template-columns: repeat(2, 1fr); }
.card-grid--3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background-color: var(--color-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
}

.card h3 {
  margin-bottom: 0.5rem;
}

.doctor-profile {
  margin: 1rem 0;
  display: flex;
  justify-content: center;
}

.doctor-profile img {
  width: 240px;
  height: 240px;
  object-fit: cover;
}

.card p {
  font-size: 0.95rem;
}

.card--dark {
  background-color: var(--color-primary);
  border-color: transparent;
}

.card--dark h3,
.card--dark p {
  color: var(--color-secondary);
}

.card--dark p {
  color: rgba(255,255,255,0.65);
}

/* ============================================================
   INFO STRIP (hours / address / phone)
   ============================================================ */

.info-strip {
  background-color: var(--color-muted);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.info-strip__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.info-strip__item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.info-strip__label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-family: var(--font-body);
}

.info-strip__value {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  line-height: 1.4;
}

.info-strip__value a {
  transition: color 0.2s;
}

.info-strip__value a:hover {
  color: var(--color-accent);
}

/* ============================================================
   PAGE HERO (inner pages)
   ============================================================ */

.page-hero {
  background-color: var(--color-primary);
  padding: calc(var(--space-lg) + var(--nav-height)) 0 var(--space-md);
  color: var(--color-secondary);
}

.page-hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.page-hero h1 {
  color: var(--color-secondary);
}

/* ============================================================
   SERVICES LIST
   ============================================================ */

.services-list {
  display: grid;
  gap: 1px;
  background-color: var(--color-border);
  border: 1px solid var(--color-border);
}

.services-list__item {
  background-color: var(--color-secondary);
  padding: var(--space-md);
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-md);
  transition: background-color 0.2s;
}

.services-list__item:hover {
  background-color: var(--color-muted);
}

.services-list__item a {
  flex-shrink: 0;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 1px;
  transition: color 0.2s;
  white-space: nowrap;
}

.services-list__item a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.services-list__item h3 {
  margin-bottom: 0.3rem;
}

/* ============================================================
   TWO-COLUMN CONTENT
   ============================================================ */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.two-col--wide {
  grid-template-columns: 3fr 2fr;
}

/* ============================================================
   DETAIL LIST
   ============================================================ */

.detail-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.detail-list__item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
}

.detail-list__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.detail-list__label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.detail-list__value {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.5;
}

/* ============================================================
   HOURS TABLE
   ============================================================ */

.hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.hours-table tr {
  border-bottom: 1px solid var(--color-border);
}

.hours-table tr:last-child {
  border-bottom: none;
}

.hours-table td {
  padding: 0.6rem 0;
  color: var(--color-text-light);
}

.hours-table td:first-child {
  font-weight: 600;
  width: 40%;
}

.hours-table .closed {
  color: var(--color-text-light);
  font-style: italic;
}

/* ============================================================
   NOTICE / ALERT BANNER
   ============================================================ */

.notice {
  background-color: rgba(74,124,126,0.1);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
}

.notice p {
  color: var(--color-text);
  font-size: 0.92rem;
  margin: 0;
}

/* ============================================================
   PROSE (long-form content sections)
   ============================================================ */

.prose h2 {
  margin-top: var(--space-md);
  margin-bottom: 0.75rem;
}

.prose h2:first-child {
  margin-top: 0;
}

.prose h3 {
  margin-top: var(--space-sm);
  margin-bottom: 0.5rem;
}

.prose ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
}

.prose ul li {
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.prose a:hover {
  color: var(--color-primary);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background-color: var(--color-primary);
  color: var(--color-secondary);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.footer__tagline {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.5);
  margin: 0;
}

.footer__nav-heading {
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.footer__nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__nav-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer__nav-links a:hover {
  color: var(--color-secondary);
}

.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.footer__copyright {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  margin: 0;
}

.footer__nap {
  font-style: normal;
}

.footer__nap p {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.25rem;
}

.footer__nap a {
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}

.footer__nap a:hover {
  color: var(--color-secondary);
}

/* ============================================================
   CONTACT PAGE
   ============================================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.map-embed {
  background-color: var(--color-muted);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
}

.map-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.muted-note {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-light);
}

/* ============================================================
   INLINE TAG
   ============================================================ */

.tag {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  background-color: rgba(74,124,126,0.12);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

/* ============================================================
   COVID NOTICE PAGE
   ============================================================ */

.covid-content {
  max-width: 720px;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 900px) {
  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .two-col,
  .two-col--wide { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .info-strip__grid { grid-template-columns: 1fr; gap: var(--space-sm); }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .card-grid--2,
  .card-grid--3 { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer__brand { max-width: 100%; }
  .services-list__item { flex-direction: column; }
  .services-list__item a { align-self: flex-start; }
  :root { --space-lg: 3rem; --space-xl: 4rem; }
}