/* -------------------------------------------------------------
   Seaglass Hair Studio - Concept Design
   Colors: Soft Seafoam, Sand, Blush, Charcoal
   Typography: Didot / Bodoni 72 / Playfair Display / Georgia & Clean Sans
   ------------------------------------------------------------- */

:root {
  --color-seafoam-light: #f2f7f5;
  --color-seafoam-mid: #d2e3dc;
  --color-seafoam-dark: #36504a;
  --color-seafoam-accent: #486861;

  --color-sand: #fdfbf7;
  --color-sand-card: #ffffff;
  --color-sand-muted: #f6efe9;

  --color-blush-light: #faf2ec;
  --color-blush-accent: #e7c8b8;
  --color-blush-text: #876757;

  --color-charcoal: #242b29;
  --color-charcoal-light: #4c5754;
  --color-charcoal-muted: #6e7a77;
  --color-border: #e2ebe7;

  --font-serif: "Didot", "Bodoni 72", "Playfair Display", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --transition-smooth: 0.25s ease-in-out;
  --max-width: 1120px;
}

/* CSS Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-charcoal);
  background-color: var(--color-sand);
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Focus State Accessibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-seafoam-dark);
  outline-offset: 3px;
}

/* Common Layout */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section-padding {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.text-center {
  text-align: center;
}

/* Typography Base */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--color-charcoal);
  font-weight: 500;
  line-height: 1.25;
}

h1 {
  font-size: 2.85rem;
  letter-spacing: -0.01em;
}

h2 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

h3 {
  font-size: 1.4rem;
}

p {
  color: var(--color-charcoal-light);
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-seafoam-accent);
  margin-bottom: 0.75rem;
}

.section-desc {
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
}

.section-intro {
  margin-bottom: 3.5rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-decoration: none;
  padding: 0.75rem 1.4rem;
  border-radius: 9999px;
  transition: all var(--transition-smooth);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-seafoam-dark);
  color: #ffffff !important; /* ensures high contrast > 4.5:1 */
  border-color: var(--color-seafoam-dark);
}

.btn-primary:hover {
  background-color: #243934;
  border-color: #243934;
  color: #ffffff !important;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-seafoam-dark) !important;
  border-color: var(--color-seafoam-accent);
}

.btn-secondary:hover {
  background-color: var(--color-seafoam-light);
  color: var(--color-seafoam-dark) !important;
}

.btn-secondary[aria-disabled="true"] {
  cursor: default;
  opacity: 0.85;
}

/* Concept Banner */
.concept-banner {
  background-color: #242b29;
  color: #f2f7f5;
  text-align: center;
  padding: 0.45rem 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.concept-banner p {
  color: #ffffff;
  margin: 0;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(253, 251, 247, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: 72px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-charcoal);
}

.brand-text {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-sub {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-charcoal-muted);
  display: block;
  line-height: 1;
}

/* Nav Desktop */
.nav-container {
  display: flex;
  align-items: center;
}

.menu-toggle {
  display: none;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links li a.nav-link {
  text-decoration: none;
  color: var(--color-charcoal);
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition-smooth);
  position: relative;
}

.nav-links li a.nav-link:hover {
  color: var(--color-seafoam-accent);
}

.header-cta-wrap .header-cta {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
}

/* Hero Section */
.hero-section {
  padding-top: 4.5rem;
  padding-bottom: 5rem;
  background: radial-gradient(circle at 85% 20%, #eaf3f0 0%, var(--color-sand) 65%);
  border-bottom: 1px solid var(--color-border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-content h1 {
  margin-bottom: 1.25rem;
}

.hero-description {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-charcoal-light);
  margin-bottom: 2rem;
  max-width: 520px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--color-charcoal-muted);
  letter-spacing: 0.03em;
}

.hero-art {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-svg {
  max-width: 420px;
  filter: drop-shadow(0 12px 24px rgba(72, 104, 97, 0.08));
}

/* Services & Pricing */
.services-section {
  background-color: var(--color-sand);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.service-card {
  background-color: var(--color-sand-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
  display: flex;
  flex-direction: column;
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.service-card-header h3 {
  font-size: 1.25rem;
}

.price-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
  margin: 0;
  padding: 0;
}

.price-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.price-meta {
  display: flex;
  flex-direction: column;
}

.item-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-charcoal);
}

.item-details {
  font-size: 0.8rem;
  color: var(--color-charcoal-muted);
  line-height: 1.4;
  margin-top: 0.2rem;
}

.item-cost {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-seafoam-dark);
  white-space: nowrap;
}

.services-footer-note {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-charcoal-muted);
  padding-top: 1rem;
}

/* Stylists Section */
.stylists-section {
  background-color: var(--color-seafoam-light);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.stylists-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.stylist-card {
  background-color: var(--color-sand-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.monogram-wrapper {
  margin-bottom: 1.5rem;
}

.monogram-letter {
  font-family: var(--font-serif);
  font-size: 42px;
  fill: var(--color-seafoam-dark);
  font-weight: 500;
}

.monogram-letter-secondary {
  fill: var(--color-blush-text);
}

.stylist-info h3 {
  font-size: 1.6rem;
  margin-bottom: 0.25rem;
}

.stylist-role {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-seafoam-accent);
  margin-bottom: 1rem;
}

.stylist-bio {
  font-size: 0.95rem;
  color: var(--color-charcoal-light);
  line-height: 1.65;
  margin-bottom: 1.5rem;
}

.stylist-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 0;
  margin: 0;
}

.stylist-tags li {
  font-size: 0.75rem;
  background-color: var(--color-seafoam-light);
  color: var(--color-seafoam-dark);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-weight: 500;
}

/* Policies Section */
.policies-section {
  background-color: var(--color-sand);
}

.policies-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.policy-card {
  background-color: var(--color-sand-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.75rem;
  position: relative;
}

.policy-badge {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-blush-text);
  background-color: var(--color-blush-light);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.policy-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.policy-card p {
  font-size: 0.92rem;
  color: var(--color-charcoal-light);
  line-height: 1.6;
}

/* Visit & Hours Section */
.visit-section {
  background-color: var(--color-sand-muted);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.visit-box {
  background-color: var(--color-sand-card);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 3rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.visit-lead {
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

.visit-details {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.detail-block h3 {
  font-size: 1.05rem;
  text-transform: uppercase;
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-seafoam-dark);
  margin-bottom: 0.5rem;
}

.hours-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.hours-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.92rem;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 0.35rem;
}

.hours-row dt {
  color: var(--color-charcoal);
  font-weight: 500;
}

.hours-row dd {
  color: var(--color-charcoal-light);
}

.hours-row.closed dd {
  color: var(--color-blush-text);
  font-style: italic;
}

.detail-sub {
  font-size: 0.88rem;
  color: var(--color-charcoal-muted);
  margin-top: 0.25rem;
}

.phone-link-wrap {
  margin-top: 0.25rem;
}

.phone-link {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--color-seafoam-dark);
  text-decoration: none;
}

.phone-link:hover {
  text-decoration: underline;
}

.visit-map-graphic {
  display: flex;
  justify-content: center;
  align-items: center;
}

.map-art-svg {
  max-width: 320px;
}

/* Site Footer */
.site-footer {
  background-color: #1f2523;
  color: #e5ece9;
  padding-top: 4rem;
  padding-bottom: 2.5rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: #ffffff;
  display: block;
  margin-bottom: 0.75rem;
}

.footer-tagline {
  color: #a4b4ae;
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-nav {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 0;
  margin: 0;
}

.footer-nav li a {
  color: #c9d7d2;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-smooth);
}

.footer-nav li a:hover {
  color: #ffffff;
}

.footer-contact p {
  color: #c9d7d2;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.footer-contact strong {
  color: #ffffff;
}

.footer-phone {
  color: var(--color-blush-accent);
  text-decoration: none;
  font-weight: 500;
}

.footer-phone:hover {
  text-decoration: underline;
}

.footer-bottom {
  padding-top: 2rem;
  text-align: center;
}

.concept-repeat {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #e7c8b8;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.copyright {
  font-size: 0.78rem;
  color: #83948e;
}

/* -------------------------------------------------------------
   Responsive Breakpoints
   Quality Rule 1: At 720px and below:
   - Collapse nav links behind a "Menu" button with aria-expanded/aria-controls
   - Keep logo and main call-to-action button visible
   - Keep closed header 72px tall or less
   - Make header position: static (sticky on desktop only)
   Quality Rule 2:
   - No horizontal scrolling at 360px
   - Grids collapse to one column on phones
   ------------------------------------------------------------- */

@media (max-width: 900px) {
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .visit-box {
    grid-template-columns: 1fr;
    padding: 2rem;
    gap: 2rem;
  }
}

@media (max-width: 720px) {
  /* Rule 1: Header static, <= 72px closed */
  .site-header {
    position: static; /* sticky desktop only */
    height: 70px;
  }

  .header-inner {
    position: relative;
    gap: 0.5rem;
  }

  .brand-text {
    font-size: 1.15rem;
  }

  .brand-sub {
    font-size: 0.68rem;
  }

  /* Nav collapse behind button */
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: transparent;
    border: 1px solid var(--color-border);
    padding: 0.45rem 0.75rem;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-charcoal);
    cursor: pointer;
  }

  .menu-toggle:hover {
    background-color: var(--color-seafoam-light);
  }

  .menu-icon {
    display: inline-block;
    width: 14px;
    height: 2px;
    background-color: var(--color-charcoal);
    position: relative;
  }

  .menu-icon::before,
  .menu-icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 14px;
    height: 2px;
    background-color: var(--color-charcoal);
  }

  .menu-icon::before {
    top: -5px;
  }

  .menu-icon::after {
    top: 5px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: #ffffff;
    border-bottom: 2px solid var(--color-seafoam-mid);
    padding: 1.25rem 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
    z-index: 1000;
  }

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

  .nav-links li {
    width: 100%;
  }

  .nav-links li a.nav-link {
    display: block;
    padding: 0.4rem 0;
    font-size: 1rem;
  }

  /* Main CTA remains visible in header */
  .header-cta-wrap .header-cta {
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }

  /* Layout collapsing for mobile */
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
    text-align: left;
  }

  h1 {
    font-size: 2.15rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  .stylists-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .policies-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 360px) {
  /* Guard against horizontal scroll at 360px width */
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .brand-text {
    font-size: 1.05rem;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
  }

  .header-cta-wrap .header-cta {
    padding: 0.4rem 0.65rem;
    font-size: 0.75rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .phone-link {
    font-size: 1.25rem;
  }
}

/* Small phones: shorten the header button so it keeps its margin from the screen edge */
@media (max-width: 420px) {
  .header-cta .cta-long { display: none; }
  .header-cta { padding-left: 1rem; padding-right: 1rem; white-space: nowrap; }
}