/* ===== AXIS ONE Implant Concept — brand tokens ===== */
:root {
  --dark: #0C1216;
  --dark2: #1C2B33;
  --teal: #5AB4C0;
  --teal-dim: rgba(90,180,192,0.12);
  --white: #FFFFFF;
  --ink: #232D36;
  --gray: #7A868C;
  --gray-light: #9AA7AC;
  --card: #F6F9FA;
  --border: #E0E8EA;
  --border-dark: rgba(255,255,255,0.12);
  --max-w: 1180px;
  --radius: 10px;
  --font-head: Georgia, 'Cambria', 'Times New Roman', serif;
  --font-body: 'Segoe UI', Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 28px;
  border-radius: 30px;
  font-size: 15px; font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, color .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--teal); color: var(--dark); }
.btn-primary:hover { background: #6cc0cb; }
.btn-outline { border-color: rgba(255,255,255,0.35); color: var(--white); }
.btn-outline:hover { border-color: var(--teal); color: var(--teal); }
.btn-ghost { border-color: var(--teal); color: var(--teal); padding: 10px 22px; font-size: 14px; }
.btn-ghost:hover { background: var(--teal-dim); }

/* ===== Nav ===== */
.site-nav {
  position: sticky; top: 0; z-index: 500;
  background: rgba(12,18,22,0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-dark);
}
.nav-inner {
  max-width: var(--max-w); margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; gap: 28px;
}
.nav-brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.nav-brand img { width: 30px; height: 30px; }
.nav-brand span { font-size: 16px; font-weight: 800; letter-spacing: 2px; color: var(--white); }
.nav-brand b { color: var(--teal); font-weight: 800; }
.nav-links { display: flex; gap: 26px; }
.nav-links a { font-size: 14.5px; color: #cfd8dc; font-weight: 600; transition: color .15s; }
.nav-links a:hover { color: var(--teal); }
.nav-cta { flex-shrink: 0; }

.lang-switch {
  display: flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 3px;
}
.lang-switch button {
  font-family: var(--font-body);
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.3px;
  color: #9aa7ac; background: none; border: none; cursor: pointer;
  padding: 6px 12px; border-radius: 16px;
  transition: background .15s, color .15s;
}
.lang-switch button:hover { color: var(--white); }
.lang-switch button.active { background: var(--teal); color: var(--dark); }
.lang-switch-mobile { display: none; margin-top: 14px; align-self: flex-start; }

.nav-burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-burger span { width: 22px; height: 2px; background: var(--white); border-radius: 2px; }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(circle at 78% 15%, var(--dark2) 0%, var(--dark) 55%, #090d10 100%);
  overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.hero-photo {
  position: absolute; top: -40px; left: 50%;
  width: 1400px; max-width: none;
  transform: translateX(-50%);
  opacity: 0.9;
}
.hero-fade {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(9,13,16,0) 30%, rgba(9,13,16,0.55) 62%, #090d10 88%);
}
.hero-content {
  position: relative; z-index: 2;
  max-width: var(--max-w); margin: 0 auto; width: 100%;
  padding: 0 24px 100px 24px;
}
.eyebrow {
  display: inline-block;
  font-size: 12.5px; font-weight: 800; letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray-light);
  border: 1px solid var(--border-dark);
  border-radius: 30px;
  padding: 7px 16px;
  margin-bottom: 22px;
}
.eyebrow-teal { color: var(--teal); border-color: rgba(90,180,192,0.4); background: var(--teal-dim); }
.hero h1 {
  font-family: var(--font-head);
  font-size: clamp(56px, 11vw, 128px);
  font-weight: 700;
  color: var(--white);
  margin: 0;
  line-height: 0.95;
  letter-spacing: 1px;
}
.hero h1 span { color: var(--teal); }
.hero-tagline {
  font-size: 16px; font-weight: 700; letter-spacing: 10px; color: #cfd8dc;
  margin: 14px 0 26px 0;
}
.hero-lead {
  max-width: 560px;
  font-size: 18px; line-height: 1.55; color: #b9c4c8;
  margin: 0 0 36px 0;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 1.5px solid var(--border-dark); border-radius: 20px;
  z-index: 2;
}
.scroll-hint span {
  position: absolute; top: 8px; left: 50%; width: 4px; height: 8px;
  background: var(--teal); border-radius: 3px; transform: translateX(-50%);
  animation: scrollHint 1.6s infinite;
}
@keyframes scrollHint {
  0% { opacity: 1; top: 8px; }
  70% { opacity: 0; top: 20px; }
  100% { opacity: 0; top: 8px; }
}

/* ===== Sections ===== */
.section { padding: 110px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-light { background: var(--white); color: var(--ink); }
.section-head { max-width: 720px; margin: 0 auto 64px auto; text-align: center; }
.section-head h2 {
  font-family: var(--font-head);
  font-size: clamp(32px, 4.5vw, 46px);
  font-weight: 700; margin: 0 0 18px 0; line-height: 1.1;
}
.section-dark .section-head h2 { color: var(--white); }
.section-lead { font-size: 17px; line-height: 1.6; color: var(--gray); margin: 0; }
.section-dark .section-lead { color: #b9c4c8; }

/* ===== UDC concept grid ===== */
.udc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.udc-hub-wrap { display: flex; justify-content: center; }
.udc-hub { position: relative; width: 380px; height: 380px; }
.udc-core {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 140px; height: 140px; border-radius: 50%;
  background: var(--dark2); border: 2px solid var(--teal);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; z-index: 2;
}
.udc-abbr { font-size: 22px; font-weight: 800; color: var(--teal); letter-spacing: 1px; }
.udc-sub { font-size: 10px; color: #cfd8dc; margin-top: 4px; line-height: 1.3; padding: 0 12px; }
.udc-spoke {
  position: absolute;
  background: rgba(90,180,192,0.08); border: 1px solid rgba(90,180,192,0.3);
  border-radius: 8px; padding: 8px 12px;
  font-size: 12.5px; font-weight: 600; color: #e4e9eb;
  white-space: nowrap;
}
.sp1 { top: 0; left: 50%; transform: translateX(-50%); }
.sp2 { top: 16%; right: 0; }
.sp3 { bottom: 16%; right: 2%; }
.sp4 { bottom: 0; left: 50%; transform: translateX(-50%); }
.sp5 { bottom: 16%; left: 2%; }
.sp6 { top: 16%; left: 0; }

.udc-stages { display: flex; flex-direction: column; gap: 28px; }
.udc-stage { display: flex; gap: 20px; align-items: flex-start; }
.udc-num { font-family: var(--font-head); font-size: 26px; font-weight: 700; color: var(--teal); flex-shrink: 0; width: 50px; }
.udc-stage h3 { font-size: 18px; margin: 0 0 6px 0; color: var(--white); }
.udc-stage p { font-size: 14.5px; line-height: 1.55; color: #9aa7ac; margin: 0; }

/* ===== Events ===== */
.events-list { display: flex; flex-direction: column; gap: 18px; }
.event-card {
  display: grid; grid-template-columns: 160px 1fr auto; gap: 24px; align-items: center;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px;
}
.event-date { display: flex; flex-direction: column; }
.event-date .day { font-family: var(--font-head); font-size: 34px; font-weight: 700; color: var(--dark); line-height: 1; }
.event-date .month-year { font-size: 13px; font-weight: 700; letter-spacing: 1px; color: var(--teal); text-transform: uppercase; margin-top: 4px; }
.event-body h3 { font-size: 19px; margin: 0 0 8px 0; color: var(--dark); }
.event-meta { font-size: 14px; color: var(--gray); margin: 0 0 10px 0; }
.event-organizer { font-size: 13.5px; color: var(--ink); }
.event-organizer b { color: var(--dark); }
.event-organizer a { color: var(--teal); font-weight: 600; }
.event-cta { white-space: nowrap; }

.events-empty {
  text-align: center; padding: 40px; color: var(--gray);
  border: 1px dashed var(--border); border-radius: var(--radius);
}

/* ===== News ===== */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--dark2); border: 1px solid var(--border-dark); border-radius: var(--radius);
  padding: 26px; display: flex; flex-direction: column; gap: 12px;
}
.news-date { font-size: 12.5px; font-weight: 700; letter-spacing: 1.5px; color: var(--teal); text-transform: uppercase; }
.news-card h3 { font-size: 18px; margin: 0; color: var(--white); line-height: 1.35; }
.news-card p { font-size: 14px; line-height: 1.55; color: #9aa7ac; margin: 0; flex-grow: 1; }
.news-tag {
  align-self: flex-start; font-size: 11.5px; font-weight: 700; letter-spacing: 0.5px;
  color: var(--dark); background: var(--teal); border-radius: 20px; padding: 4px 12px;
}

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: flex-start; }
.contact-details { margin-top: 32px; display: flex; flex-direction: column; gap: 14px; }
.contact-row { display: flex; gap: 14px; align-items: baseline; font-size: 15px; }
.contact-label { color: var(--gray); min-width: 90px; font-weight: 600; }
.contact-value { color: var(--dark); font-weight: 700; }

.contact-form {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 36px;
  display: flex; flex-direction: column; gap: 18px;
}
.form-row { display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 13.5px; font-weight: 700; color: var(--dark); }
.form-row input, .form-row select, .form-row textarea {
  font-family: var(--font-body);
  font-size: 15px; padding: 13px 15px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--white); color: var(--ink);
  resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px var(--teal-dim);
}
.form-submit { margin-top: 6px; }
.form-status { font-size: 14px; min-height: 20px; margin: 0; }
.form-status.ok { color: #2e8b57; }
.form-status.err { color: #c0503a; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); border-top: 1px solid var(--border-dark); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { font-size: 14px; color: #9aa7ac; }
.footer-links a:hover { color: var(--teal); }
.footer-copy { font-size: 13px; color: #7a868c; }

.noise-overlay { display: none; }

/* ===== Responsive ===== */
@media (max-width: 480px) {
  .udc-hub-wrap { padding: 0 10px; overflow: hidden; }
  .udc-hub { width: 300px; height: 300px; transform: scale(0.82); }
  .udc-spoke { font-size: 10.5px; padding: 6px 9px; }
}

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--dark); border-bottom: 1px solid var(--border-dark);
    padding: 8px 24px 20px 24px;
  }
  .nav-links.open a { padding: 12px 0; border-bottom: 1px solid var(--border-dark); }
  #langSwitch { display: none; }
  .lang-switch-mobile { display: flex; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .udc-grid { grid-template-columns: 1fr; gap: 48px; }
  .contact-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .event-card { grid-template-columns: 1fr; text-align: left; }
  .event-cta { justify-self: start; }
  .section { padding: 72px 0; }
}