/* Dr Stavros Papachristos — Premium Consultant Surgeon Website */

:root {
  --navy: #152d4a;
  --navy-light: #1e3d63;
  --teal: #2d7a78;
  --teal-light: #3a9895;
  --gold: #b8954a;
  --gold-light: #d4b06a;
  --cream: #f8f9fb;
  --white: #ffffff;
  --text: #1c2836;
  --text-muted: #5a6573;
  --border: #e2e8ef;
  --shadow: 0 4px 24px rgba(21, 45, 74, 0.08);
  --shadow-lg: 0 12px 48px rgba(21, 45, 74, 0.12);
  --radius: 8px;
  --radius-lg: 16px;
  --header-h: 72px;
  --font-serif: "Cormorant Garamond", Georgia, "Times New Roman", serif;
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --transition: 0.25s ease;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--teal);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover { color: var(--navy); }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.2;
  color: var(--navy);
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 5vw, 3.25rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p { margin: 0 0 1rem; }

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--navy);
  color: var(--white);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  z-index: 9999;
}

.skip-link:focus { top: 1rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  height: var(--header-h);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}

.logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.15;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy);
}

.logo-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy);
  transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.main-nav a {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text);
  font-size: 0.925rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--teal);
  background: rgba(45, 122, 120, 0.08);
}

.nav-cta {
  background: var(--navy) !important;
  color: var(--white) !important;
  margin-left: 0.5rem;
}

.nav-cta:hover {
  background: var(--navy-light) !important;
  color: var(--white) !important;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, #254a72 100%);
  color: var(--white);
  padding: clamp(3rem, 8vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 20%, rgba(45, 122, 120, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-content h1 { color: var(--white); margin-bottom: 0.5rem; }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--gold-light);
  font-weight: 500;
  margin-bottom: 1.5rem;
  letter-spacing: 0.03em;
}

.hero-text {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 540px;
  margin-bottom: 2rem;
}

.hero-locations {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.4rem 0.85rem;
  border-radius: 100px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.9);
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero-image {
  width: min(100%, 380px);
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 3px solid rgba(255, 255, 255, 0.15);
}

.hero-accent {
  position: absolute;
  bottom: -12px;
  right: -12px;
  width: 80%;
  height: 80%;
  border: 2px solid var(--gold);
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  min-height: 48px;
}

.btn-primary {
  background: var(--gold);
  color: var(--navy);
  border-color: var(--gold);
}

.btn-primary:hover {
  background: var(--gold-light);
  border-color: var(--gold-light);
  color: var(--navy);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border-color: var(--white);
}

.btn-navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-navy:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Sections */
section { padding: clamp(3rem, 6vw, 5rem) 0; }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.bg-cream { background: var(--cream); }
.bg-navy {
  background: var(--navy);
  color: var(--white);
}

.bg-navy h2, .bg-navy h3 { color: var(--white); }
.bg-navy p { color: rgba(255, 255, 255, 0.85); }

/* Expertise cards */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.expertise-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow var(--transition), transform var(--transition);
}

.expertise-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.expertise-icon {
  width: 48px;
  height: 48px;
  background: rgba(45, 122, 120, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--teal);
  font-size: 1.5rem;
}

.expertise-card h3 { margin-bottom: 0.75rem; }
.expertise-card p { color: var(--text-muted); font-size: 0.95rem; margin: 0; }

/* Stats */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

/* About preview */
.about-preview {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 420px;
  margin-inline: auto;
}

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: clamp(2.5rem, 5vw, 4rem) 0;
  text-align: center;
}

.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; }

.page-hero p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  margin: 0 auto;
  font-size: 1.05rem;
}

.breadcrumb {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 1rem;
}

.breadcrumb a { color: var(--gold-light); }

/* Timeline */
.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -2rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  background: var(--teal);
  border-radius: 50%;
  transform: translateX(-5px);
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--teal);
}

.timeline-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--teal);
  margin-bottom: 0.25rem;
}

.timeline-item h3 { margin-bottom: 0.35rem; font-size: 1.15rem; }

.timeline-item p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin: 0;
}

/* Treatment sections */
.treatment-block {
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}

.treatment-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.treatment-block h2 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.treatment-block h2::before {
  content: "";
  width: 4px;
  height: 1.5em;
  background: var(--teal);
  border-radius: 2px;
  flex-shrink: 0;
}

.treatment-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.treatment-list li {
  background: var(--cream);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  border-left: 3px solid var(--teal);
}

.treatment-desc {
  color: var(--text-muted);
  max-width: 720px;
}

/* Publications */
.pub-list { list-style: none; padding: 0; margin: 0; }

.pub-item {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--border);
}

.pub-item:last-child { border-bottom: none; }

.pub-title {
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.35rem;
}

.pub-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pub-type {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(45, 122, 120, 0.1);
  color: var(--teal);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
}

.pub-category { margin-bottom: 2.5rem; }
.pub-category h2 { margin-bottom: 1.5rem; padding-bottom: 0.75rem; border-bottom: 2px solid var(--border); }

/* Two column layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.info-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.info-card h3 { margin-bottom: 1rem; }

.check-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.check-list li {
  padding: 0.5rem 0 0.5rem 1.75rem;
  position: relative;
  font-size: 0.95rem;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-info-item strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.15rem;
}

.contact-info-item p { margin: 0; color: var(--text-muted); font-size: 0.95rem; }

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(45, 122, 120, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal);
  flex-shrink: 0;
  font-size: 1.1rem;
}

/* Form */
.form-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--navy);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  background: var(--white);
  min-height: 48px;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(45, 122, 120, 0.15);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.hp-field {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.form-success {
  background: rgba(45, 122, 120, 0.1);
  border: 1px solid var(--teal);
  color: var(--navy);
  padding: 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.form-error {
  background: rgba(180, 50, 50, 0.08);
  border: 1px solid #c44;
  color: #922;
  padding: 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

/* CTA band */
.cta-band {
  text-align: center;
  padding: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-light) 100%);
  color: var(--white);
}

.cta-band h2 { color: var(--white); margin-bottom: 0.75rem; }
.cta-band p { color: rgba(255, 255, 255, 0.9); margin-bottom: 1.5rem; max-width: 520px; margin-inline: auto; }

/* Footer */
.site-footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand .logo-name { color: var(--white); font-size: 1.25rem; }
.footer-brand .logo-title { color: rgba(255, 255, 255, 0.6); }

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gold-light);
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li { margin-bottom: 0.5rem; }

.footer-col a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .about-preview,
  .two-col,
  .contact-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-image-wrap { order: -1; }
  .hero-image { max-width: 280px; }
  .hero-accent { display: none; }

  .footer-grid { gap: 1.5rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }

  .main-nav.is-open { max-height: 400px; }

  .main-nav ul {
    flex-direction: column;
    padding: 1rem;
    gap: 0;
  }

  .main-nav a {
    padding: 0.875rem 1rem;
    width: 100%;
  }

  .nav-cta { margin-left: 0 !important; margin-top: 0.5rem; }

  .form-row { grid-template-columns: 1fr; }

  .hero { text-align: center; }
  .hero-text { margin-inline: auto; }
  .hero-locations { justify-content: center; }
  .btn-group { justify-content: center; }
}

@media (max-width: 480px) {
  .container { width: min(100% - 1.5rem, var(--max-width)); }
  .expertise-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}