/* ==========================================================================
   Safari Health ΜΟΝΟΠΡΟΣΩΠΗ Ι.Κ.Ε. — corporate website
   Single shared stylesheet for all pages.
   ========================================================================== */

:root {
  --color-primary: #1f4e5f;        /* deep teal — trustworthy, medical */
  --color-primary-dark: #143746;
  --color-accent: #d18b5e;         /* warm sand — distinct, human */
  --color-bg: #fafaf7;             /* warm off-white */
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5a6670;
  --color-border: #e3e0d8;
  --max-width: 1100px;
  --radius: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--color-primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--color-accent); text-decoration: underline; }

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

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* -----------------------------  Header  -------------------------------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; max-width: var(--max-width); margin: 0 auto;
  gap: 16px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-serif); font-size: 1.25rem; font-weight: 600;
  color: var(--color-primary); white-space: nowrap;
}
.brand-mark {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-family: var(--font-sans);
  font-size: 0.95rem; letter-spacing: 0.5px;
}
.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  width: 36px; height: 36px; padding: 6px;
}
.nav-toggle span {
  display: block; height: 2px; background: var(--color-primary);
  margin: 6px 0; transition: all 0.2s ease;
}
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 14px; font-size: 0.95rem; color: var(--color-text);
  border-radius: var(--radius); transition: background 0.15s ease, color 0.15s ease;
}
.main-nav a:hover { background: var(--color-bg); color: var(--color-primary); text-decoration: none; }
.main-nav a.active { color: var(--color-primary); font-weight: 600; }

.lang-switcher {
  display: flex; align-items: center; gap: 4px; margin-left: 12px;
  border-left: 1px solid var(--color-border); padding-left: 16px;
}
.lang-btn {
  background: none; border: 1px solid transparent; padding: 4px 10px;
  font-size: 0.85rem; font-weight: 600; cursor: pointer;
  border-radius: var(--radius); color: var(--color-text-muted);
  font-family: inherit;
}
.lang-btn:hover { color: var(--color-primary); }
.lang-btn.active {
  color: var(--color-primary); background: var(--color-bg);
  border-color: var(--color-border);
}

/* -----------------------------  Hero  ---------------------------------- */
.hero {
  padding: 80px 0 64px;
  background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
  text-align: center;
}
.hero h1 {
  font-family: var(--font-serif); font-weight: 600;
  font-size: clamp(2rem, 4vw + 1rem, 3.4rem);
  line-height: 1.15; color: var(--color-primary);
  margin-bottom: 20px; letter-spacing: -0.01em;
}
.hero .lead {
  font-size: clamp(1.05rem, 1vw + 0.9rem, 1.25rem);
  color: var(--color-text-muted); max-width: 720px; margin: 0 auto 32px;
}
.hero-cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.btn {
  display: inline-block; padding: 12px 26px; border-radius: var(--radius);
  font-size: 0.95rem; font-weight: 600; cursor: pointer;
  border: 1.5px solid transparent; transition: all 0.18s ease;
  font-family: inherit;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; text-decoration: none; }
.btn-secondary {
  background: transparent; color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: #fff; text-decoration: none; }

/* ---------------------------  Sections  -------------------------------- */
section { padding: 64px 0; }

.section-title {
  font-family: var(--font-serif); font-size: clamp(1.6rem, 2vw + 1rem, 2.2rem);
  color: var(--color-primary); margin-bottom: 12px; font-weight: 600;
  letter-spacing: -0.01em;
}
.section-subtitle {
  color: var(--color-text-muted); font-size: 1.05rem;
  margin-bottom: 40px; max-width: 700px;
}

.page-header {
  background: var(--color-primary); color: #fff;
  padding: 64px 0 48px; text-align: center;
}
.page-header h1 {
  font-family: var(--font-serif); font-size: clamp(1.9rem, 3vw + 1rem, 2.8rem);
  font-weight: 600; margin-bottom: 8px; color: #fff;
}
.page-header p {
  color: rgba(255,255,255,0.85); font-size: 1.1rem;
}

/* ---------------------------  Cards  ----------------------------------- */
.card-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card {
  background: var(--color-surface); padding: 32px 28px;
  border-radius: var(--radius); border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm); transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-icon {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--color-bg); display: flex; align-items: center; justify-content: center;
  color: var(--color-primary); margin-bottom: 18px; font-size: 1.3rem;
}
.card h3 {
  font-family: var(--font-serif); font-size: 1.25rem; color: var(--color-primary);
  margin-bottom: 10px; font-weight: 600;
}
.card p { color: var(--color-text-muted); font-size: 0.95rem; }

/* ---------------------------  Prose  ----------------------------------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose p { margin-bottom: 18px; color: var(--color-text); }
.prose h2 {
  font-family: var(--font-serif); font-size: 1.6rem; color: var(--color-primary);
  margin: 36px 0 16px; font-weight: 600;
}
.prose h3 {
  font-size: 1.15rem; color: var(--color-primary-dark);
  margin: 28px 0 10px; font-weight: 600;
}
.prose ul { padding-left: 22px; margin-bottom: 18px; }
.prose li { margin-bottom: 8px; }

/* ---------------------  Company info block  ---------------------------- */
.company-info {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow-sm); margin: 32px 0;
}
.company-info h3 {
  font-family: var(--font-serif); color: var(--color-primary);
  font-size: 1.3rem; margin-bottom: 20px; font-weight: 600;
}
.info-grid {
  display: grid; gap: 14px 24px;
  grid-template-columns: max-content 1fr;
}
.info-grid dt {
  font-weight: 600; color: var(--color-text-muted);
  font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.04em;
  align-self: center;
}
.info-grid dd { color: var(--color-text); font-size: 0.98rem; }

/* ---------------------------  Contact  --------------------------------- */
.contact-block {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.contact-card {
  background: var(--color-surface); padding: 28px;
  border-radius: var(--radius); border: 1px solid var(--color-border);
}
.contact-card h3 {
  font-family: var(--font-serif); color: var(--color-primary);
  font-size: 1.15rem; margin-bottom: 12px;
}
.contact-card p { color: var(--color-text-muted); margin-bottom: 6px; font-size: 0.95rem; }
.contact-card a { font-weight: 500; }

/* ---------------------------  Footer  ---------------------------------- */
.site-footer {
  background: var(--color-primary-dark); color: #d4dde3;
  padding: 48px 0 24px; margin-top: 64px;
}
.footer-grid {
  display: grid; gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-bottom: 32px;
}
.footer-col h4 {
  color: #fff; font-size: 0.95rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 14px;
}
.footer-col p, .footer-col li {
  font-size: 0.88rem; color: #aab8be; margin-bottom: 6px; line-height: 1.55;
}
.footer-col ul { list-style: none; }
.footer-col a { color: #d4dde3; }
.footer-col a:hover { color: #fff; }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px;
  font-size: 0.82rem; color: #8a979d; text-align: center;
}

/* ---------------------------  Utilities  ------------------------------- */
.hidden { display: none !important; }
.text-center { text-align: center; }

/* Language visibility: by default Greek is shown, English hidden. Toggled by JS. */
[lang="en"].lang-content { display: none; }
body.lang-en [lang="el"].lang-content { display: none; }
body.lang-en [lang="en"].lang-content { display: block; }
body.lang-en span[lang="en"].lang-content,
body.lang-en a[lang="en"].lang-content,
body.lang-en dd[lang="en"].lang-content,
body.lang-en li[lang="en"].lang-content { display: inline; }
body span[lang="en"].lang-content,
body a[lang="en"].lang-content,
body dd[lang="en"].lang-content,
body li[lang="en"].lang-content { display: none; }
body span[lang="el"].lang-content,
body a[lang="el"].lang-content,
body dd[lang="el"].lang-content,
body li[lang="el"].lang-content { display: inline; }
body.lang-en span[lang="el"].lang-content,
body.lang-en a[lang="el"].lang-content,
body.lang-en dd[lang="el"].lang-content,
body.lang-en li[lang="el"].lang-content { display: none; }

/* ---------------------  Responsive (mobile)  --------------------------- */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-surface); flex-direction: column; align-items: stretch;
    padding: 12px 24px; border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .main-nav a:last-child { border-bottom: none; }
  .lang-switcher { margin: 8px 0 0; padding: 8px 0 0; border-left: none; border-top: 1px solid var(--color-border); }
  .info-grid { grid-template-columns: 1fr; gap: 4px 0; }
  .info-grid dt { margin-top: 12px; }
  .info-grid dt:first-of-type { margin-top: 0; }
  section { padding: 48px 0; }
  .hero { padding: 56px 0 40px; }
  .company-info { padding: 24px 20px; }
}