/* Priore-Cancer — Modern design system */

/* Local fonts */
@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/dm-sans-400.woff2") format("woff2");
}

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/dm-sans-500.woff2") format("woff2");
}

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/dm-sans-600.woff2") format("woff2");
}

@font-face {
  font-family: "DM Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/dm-sans-700.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/fraunces-500.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/fraunces-600.woff2") format("woff2");
}

@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/fraunces-700.woff2") format("woff2");
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/source-serif-4-400.woff2") format("woff2");
}

@font-face {
  font-family: "Source Serif 4";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/source-serif-4-400-italic.woff2") format("woff2");
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/source-serif-4-600.woff2") format("woff2");
}

@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/source-serif-4-700.woff2") format("woff2");
}

:root {
  --primary: #0c4a6e;
  --primary-light: #0369a1;
  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.25);
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --surface-3: #f1f5f9;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --font: "DM Sans", system-ui, -apple-system, sans-serif;
  --font-display: "Fraunces", Georgia, serif;
  --font-prose: "Source Serif 4", Georgia, serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 50px -12px rgba(15, 23, 42, 0.15);
  --header-h: 64px;
  --nav-h: 52px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.2s var(--ease);
}

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

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

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--surface-2);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ── Landing page ── */
.landing {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  position: relative;
  overflow: hidden;
}

.landing__visual {
  position: relative;
  background: linear-gradient(145deg, #0c4a6e 0%, #0369a1 50%, #0ea5e9 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  overflow: hidden;
}

.landing__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(56, 189, 248, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.2) 0%, transparent 40%);
}

.landing__orb {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  --orbit: 60px;
  will-change: transform, translate;
  backface-visibility: hidden;
  animation:
    orb-orbit 30s linear infinite,
    orb-drift 20s ease-in-out infinite alternate;
}

.landing__orb--1 {
  width: 300px; height: 300px; top: 10%; right: -5%;
  --orbit: 70px;
  animation-duration: 36s, 22s;
  animation-delay: 0s, -6s;
}

.landing__orb--2 {
  width: 200px; height: 200px; bottom: 15%; left: 10%;
  --orbit: 90px;
  animation-direction: reverse, alternate;
  animation-duration: 42s, 26s;
  animation-delay: -20s, -12s;
}

.landing__orb--3 {
  width: 120px; height: 120px; top: 40%; left: 30%;
  --orbit: 50px;
  animation-duration: 28s, 17s;
  animation-delay: -10s, -4s;
}

/* Circular orbit at constant speed: no stops or speed changes, so no flicker */
@keyframes orb-orbit {
  from { transform: rotate(0deg) translateX(var(--orbit)) rotate(0deg); }
  to   { transform: rotate(360deg) translateX(var(--orbit)) rotate(-360deg); }
}

@keyframes orb-drift {
  from { translate: 0 -40px; }
  to   { translate: 0 40px; }
}

.landing__brand {
  position: relative;
  z-index: 1;
  color: #fff;
  text-align: center;
  max-width: 420px;
}

.landing__brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.landing__brand h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.landing__brand p {
  font-size: 1.05rem;
  opacity: 0.88;
  line-height: 1.65;
  margin: 0;
}

.landing__panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(2rem, 5vw, 4rem);
  background: var(--surface);
}

.landing__panel-inner {
  max-width: 440px;
  margin: 0 auto;
  width: 100%;
}

.landing__panel h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.landing__panel-intro {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 0 0 2rem;
}

.landing__panel-intro em {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-style: italic;
}

.lang-options {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lang-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.lang-option::after {
  content: "→";
  margin-left: auto;
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition);
  color: var(--primary-light);
}

.lang-option:hover {
  border-color: var(--accent);
  background: var(--surface-2);
  box-shadow: 0 0 0 4px var(--accent-glow);
  transform: translateX(4px);
}

.lang-option:hover::after {
  opacity: 1;
  transform: translateX(0);
}

.lang-option__flag {
  width: 110px;
  height: auto;
  flex-shrink: 0;
}

.lang-option__label { flex: 1; }
.lang-option__sub {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* ── Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.site-header.scrolled {
  box-shadow: var(--shadow);
}

.site-header__bar {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1.25;
}

.site-logo:hover { color: var(--primary); }

.site-logo__mark {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(3, 105, 161, 0.3);
}

.site-logo__text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-muted);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-pill {
  display: flex;
  background: var(--surface-3);
  border-radius: 8px;
  padding: 2px;
  border: 1px solid var(--border);
}

.lang-pill__btn,
.lang-pill a {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  border-radius: 6px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
}

.lang-pill__btn:hover,
.lang-pill a:hover { color: var(--text); }

.lang-pill__btn.active,
.lang-pill a.active {
  background: var(--surface);
  color: var(--primary);
  box-shadow: var(--shadow);
}

.content-loading {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem 1rem;
  font-family: var(--font);
}

.content-error {
  text-align: center;
  color: #b91c1c;
  padding: 2rem;
  font-family: var(--font);
}

.content-notice {
  margin: 0 0 1.5rem;
  padding: 0.875rem 1rem;
  border-left: 3px solid var(--accent);
  background: rgba(12, 74, 110, 0.06);
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 0.95rem;
  line-height: 1.5;
}

.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  cursor: pointer;
  color: var(--text);
  align-items: center;
  justify-content: center;
}

/* ── Navigation ── */
.site-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: var(--header-h);
  z-index: 150;
}

.site-nav__inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.site-nav__inner::-webkit-scrollbar { display: none; }

.site-nav ul {
  display: flex;
  gap: 0.25rem;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  min-width: max-content;
}

.site-nav a {
  display: block;
  padding: 0.5rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 8px;
  white-space: nowrap;
  transition: all var(--transition);
}

.site-nav a:hover {
  color: var(--primary);
  background: var(--surface-3);
}

.site-nav a.active {
  color: var(--primary);
  background: rgba(3, 105, 161, 0.08);
  font-weight: 600;
}

/* Mobile nav drawer */
.nav-drawer {
  display: none;
  position: fixed;
  inset: 0;
  top: var(--header-h);
  z-index: 140;
  pointer-events: none;
}

.nav-drawer.open { pointer-events: auto; }

.nav-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  opacity: 0;
  transition: opacity var(--transition);
}

.nav-drawer.open .nav-drawer__backdrop { opacity: 1; }

.nav-drawer__panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(320px, 90vw);
  height: 100%;
  background: var(--surface);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform 0.3s var(--ease);
  overflow-y: auto;
  padding: 1rem;
}

.nav-drawer.open .nav-drawer__panel { transform: translateX(0); }

.nav-drawer ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-drawer a {
  display: block;
  padding: 0.875rem 1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid var(--border-light);
}

.nav-drawer a.active {
  background: rgba(3, 105, 161, 0.08);
  color: var(--primary);
  font-weight: 600;
}

/* ── Page hero ── */
.page-hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  padding: 2.5rem 1.5rem;
}

.page-hero__inner {
  max-width: 820px;
  margin: 0 auto;
}

.page-hero__breadcrumb {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-hero__breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

.page-hero__breadcrumb a:hover { color: #fff; }

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ── Main content ── */
.site-main {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}

.content-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

/* ── Legacy / prose content ── */
.legacy-content {
  font-family: var(--font-prose);
  font-size: 1.0625rem;
  color: var(--text);
  line-height: 1.8;
}

.legacy-content p {
  margin: 0 0 1.25rem;
  text-align: justify;
}

.legacy-content strong {
  font-weight: 700;
  color: var(--primary);
}

.legacy-content em { font-style: italic; color: var(--text-secondary); }

.legacy-content table {
  width: 100% !important;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: transparent !important;
}

.legacy-content tr {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.legacy-content td {
  flex: 1 1 280px;
  min-width: 0;
  padding: 0;
  vertical-align: top;
}

.legacy-content td table tr {
  display: block;
  margin: 0;
}

.legacy-content td table td {
  flex: none;
  display: block;
  width: 100%;
}

.legacy-content img {
  margin: 1rem auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.legacy-content img:hover {
  transform: scale(1.01);
  box-shadow: var(--shadow-lg);
}

.legacy-content img[src*="puce.gif"] { display: none; }

.legacy-content a[name] {
  scroll-margin-top: calc(var(--header-h) + var(--nav-h) + 1rem);
}

.legacy-content hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 2.5rem 0;
}

.legacy-content h2,
.legacy-content .content-title {
  font-family: var(--font-display) !important;
  font-size: 1.75rem !important;
  font-weight: 600 !important;
  color: var(--primary) !important;
  margin: 0 0 1rem !important;
  line-height: 1.3 !important;
  letter-spacing: -0.02em;
}

.legacy-content h3 {
  font-family: var(--font) !important;
  font-size: 1.2rem !important;
  font-weight: 700 !important;
  color: var(--text) !important;
  margin: 2rem 0 0.75rem !important;
}

.legacy-content ul,
.legacy-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.5rem;
}

.legacy-content li { margin-bottom: 0.5rem; }

.legacy-content blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent);
  background: var(--surface-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--text-secondary);
}

/* Figure with caption */
.legacy-content .figure {
  margin: 2rem 0;
  text-align: center;
}

.legacy-content .figure img {
  margin: 0 auto;
}

.legacy-content .figure figcaption {
  font-family: var(--font);
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Contact page */
.contact-card {
  text-align: center;
  padding: 3rem 2rem;
}

.contact-card__avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 1.5rem;
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
}

.contact-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
  color: var(--text);
}

.contact-card p { color: var(--text-secondary); margin: 0 0 1.5rem; }

.contact-card a.email-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--primary);
  color: #fff !important;
  border-radius: 100px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition);
}

.contact-card a.email-btn:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(3, 105, 161, 0.3);
  color: #fff !important;
}

/* ── Footer ── */
.site-footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.75);
  padding: 2.5rem 1.5rem;
}

.site-footer__inner {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.site-footer__brand {
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 0.25rem;
}

.site-footer p { margin: 0; font-size: 0.8125rem; }

.site-footer a { color: var(--accent); }
.site-footer a:hover { color: #fff; }

.site-footer__links {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.site-footer__links a {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
}

.site-footer__links a:hover { color: #fff; }

/* ── Back to top ── */
.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: grid;
  place-items: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition);
  z-index: 100;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

/* ── Contact form ── */
.contact-page {
  display: grid;
  gap: 2rem;
}

.contact-page__title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--primary);
  margin: 0 0 0.75rem;
}

.contact-page__intro p {
  margin: 0 0 0.5rem;
}

.contact-form {
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.contact-form__lead {
  margin: 0 0 1.25rem;
  color: var(--text-secondary);
}

.contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.contact-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.contact-field label {
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text);
}

.contact-field input,
.contact-field textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-field textarea {
  resize: vertical;
  min-height: 140px;
}

.contact-field input:focus,
.contact-field textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.contact-form__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition), opacity var(--transition);
}

.contact-form__submit:hover:not(:disabled) {
  transform: translateY(-1px);
}

.contact-form__submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.contact-form__status {
  margin: 1rem 0 0;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-form__status--success {
  color: #047857;
}

.contact-form__status--error {
  color: #b91c1c;
}

@media (max-width: 700px) {
  .contact-form__row {
    grid-template-columns: 1fr;
  }
}

/* ── Responsive ── */
@media (max-width: 900px) {
  .landing { grid-template-columns: 1fr; }

  .landing__visual {
    min-height: 40vh;
    padding: 2.5rem 1.5rem;
  }

  .site-nav { display: none; }

  .menu-btn { display: flex; }

  .nav-drawer { display: block; }

  .site-footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .site-footer__links { justify-content: center; }
}

@media (max-width: 480px) {
  .site-main { padding: 1.5rem 1rem 4rem; }
  .content-card { padding: 1.25rem; }
  .legacy-content { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *:not(.landing__orb), *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}