/* ============================================================
   MediCare — Design System (Light Theme)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,700;0,800;1,700&display=swap');

/* === TOKENS === */
:root {
  --bg-0:        #f8fafc;
  --bg-1:        #f1f5f9;
  --bg-2:        #e2e8f0;
  --bg-card:     #ffffff;
  --bg-glass:    rgba(255, 255, 255, 0.8);

  --border:      rgba(148, 163, 184, 0.3);
  --border-em:   rgba(5, 150, 105, 0.4);

  --primary:     #059669;
  --primary-d:   #047857;
  --primary-g:   rgba(5, 150, 105, 0.12);
  --primary-s:   rgba(5, 150, 105, 0.08);

  --violet:      #7c3aed;
  --violet-g:    rgba(124, 58, 237, 0.1);

  --sky:         #0284c7;
  --amber:       #d97706;
  --red:         #dc2626;
  --red-g:       rgba(220, 38, 38, 0.08);

  --text-1:      #0f172a;
  --text-2:      #475569;
  --text-3:      #94a3b8;

  --ff-sans:     'Inter', system-ui, -apple-system, sans-serif;
  --ff-serif:    'Playfair Display', Georgia, serif;

  --r-sm:  6px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  32px;
  --r-full: 9999px;

  --shadow-sm:  0 1px 4px rgba(0,0,0,0.07), 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.08), 0 8px 32px rgba(0,0,0,0.06);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.1), 0 24px 64px rgba(0,0,0,0.08);
  --shadow-em:  0 0 40px rgba(5,150,105,0.15);

  --ease: cubic-bezier(.16,1,.3,1);
  --dur:  0.22s;
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-sans);
  background: var(--bg-0);
  color: var(--text-1);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--primary-d); }
input, textarea, select, button { font-family: inherit; }

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; color: var(--text-1); }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }
.serif { font-family: var(--ff-serif); }
.text-muted { color: var(--text-2); }
.text-sm { font-size: .875rem; }
.text-xs { font-size: .75rem; }
.text-center { text-align: center; }

/* === LAYOUT === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container--sm { max-width: 680px; }
.container--md { max-width: 860px; }

/* === BUTTONS === */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .65rem 1.4rem;
  border: none; border-radius: var(--r-full);
  font-size: .875rem; font-weight: 600; cursor: pointer;
  transition: all var(--dur) var(--ease);
  white-space: nowrap; text-decoration: none;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-g);
}
.btn-primary:hover { color: #fff; box-shadow: 0 6px 24px rgba(5,150,105,.3); transform: translateY(-1px); }

.btn-outline {
  background: #fff; color: var(--text-1);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-s); }

.btn-ghost {
  background: transparent; color: var(--text-2);
  border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--bg-1); color: var(--text-1); border-color: var(--border); }

.btn-danger {
  background: transparent; color: var(--red);
  border: 1px solid rgba(220,38,38,.2);
}
.btn-danger:hover { background: var(--red-g); border-color: var(--red); }

.btn-violet {
  background: linear-gradient(135deg, var(--violet), #6d28d9);
  color: #fff;
  box-shadow: 0 4px 16px var(--violet-g);
}
.btn-violet:hover { color: #fff; box-shadow: 0 6px 24px rgba(124,58,237,.3); transform: translateY(-1px); }

.btn-lg { padding: .9rem 2rem; font-size: 1rem; }
.btn-sm { padding: .4rem .9rem; font-size: .8rem; }
.btn-icon { padding: .6rem; border-radius: var(--r-md); }

/* === FORMS === */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block; margin-bottom: .45rem;
  font-size: .78rem; font-weight: 600;
  color: var(--text-2); letter-spacing: .05em; text-transform: uppercase;
}
.form-control {
  width: 100%;
  padding: .75rem 1rem;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-1);
  font-size: .925rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  outline: none;
  box-shadow: var(--shadow-sm);
}
.form-control::placeholder { color: var(--text-3); }
.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-s);
}
.form-control:focus-visible { outline: none; }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24'%3E%3Cpath stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .75rem center;
  background-size: 18px;
  padding-right: 2.5rem;
  cursor: pointer;
}
select.form-control option { background: #fff; color: var(--text-1); }
.form-hint { margin-top: .35rem; font-size: .8rem; color: var(--text-3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.input-icon-wrap { position: relative; }
.input-icon-wrap .form-control { padding-left: 2.75rem; }
.input-icon-wrap .icon {
  position: absolute; left: .9rem; top: 50%; transform: translateY(-50%);
  color: var(--text-3); pointer-events: none;
}

/* === CARDS === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-body { padding: 1.5rem; }

/* === ALERTS === */
.alert {
  display: flex; align-items: flex-start; gap: .75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r-md);
  font-size: .9rem;
  margin-bottom: 1.5rem;
  animation: slideDown .3s var(--ease);
}
.alert-icon { font-weight: 700; flex-shrink: 0; margin-top: .05rem; }
.alert-success { background: #ecfdf5; border: 1.5px solid #a7f3d0; color: #065f46; }
.alert-error   { background: #fef2f2; border: 1.5px solid #fecaca; color: #991b1b; }
.alert-info    { background: #eff6ff; border: 1.5px solid #bfdbfe; color: #1e40af; }
.alert-warning { background: #fffbeb; border: 1.5px solid #fde68a; color: #92400e; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* === BADGES === */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .25rem .65rem;
  border-radius: var(--r-full);
  font-size: .72rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
}
.badge-green   { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.badge-violet  { background: #f5f3ff; color: #5b21b6; border: 1px solid #ddd6fe; }
.badge-sky     { background: #eff6ff; color: #1d4ed8; border: 1px solid #bfdbfe; }
.badge-amber   { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }
.badge-rose    { background: #fff1f2; color: #9f1239; border: 1px solid #fecdd3; }
.badge-gray    { background: #f8fafc; color: #475569; border: 1px solid #e2e8f0; }

/* === NAVBAR (APP) === */
.app-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  height: 64px; padding: 0 2rem;
  background: rgba(255,255,255,0.95);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.app-nav__brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.app-nav__logo {
  width: 36px; height: 36px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; color: #fff !important;
  text-decoration: none;
}
.app-nav__name { font-weight: 800; font-size: 1.1rem; color: var(--text-1); letter-spacing: -.3px; }
.app-nav__actions { display: flex; align-items: center; gap: .75rem; }
.app-nav__user {
  display: flex; align-items: center; gap: .5rem;
  font-size: .875rem; color: var(--text-2);
}
.app-nav__avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), #6d28d9);
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700; color: #fff;
}

/* === ALPHABET NAV === */
.alpha-nav {
  position: sticky; top: 64px; z-index: 90;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(16px);
  padding: .5rem 2rem;
  display: flex; align-items: center; gap: .25rem;
  overflow-x: auto;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.alpha-nav::-webkit-scrollbar { height: 0; }
.alpha-nav__item {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  font-size: .8rem; font-weight: 600;
  color: var(--text-3);
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  border: 1px solid transparent;
  text-decoration: none;
}
.alpha-nav__item:hover, .alpha-nav__item.active {
  background: var(--primary-s);
  color: var(--primary);
  border-color: var(--border-em);
}
.alpha-nav__item.disabled { opacity: .3; cursor: default; pointer-events: none; }

/* === SEARCH BAR === */
.search-wrap {
  padding: 1.25rem 2rem;
  background: var(--bg-0);
  border-bottom: 1px solid var(--border);
}
.search-inner { max-width: 600px; }
.search-bar { position: relative; display: flex; align-items: center; }
.search-bar input {
  width: 100%; padding: .75rem 1rem .75rem 2.75rem;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--r-full);
  color: var(--text-1); font-size: .925rem;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: all var(--dur) var(--ease);
}
.search-bar input::placeholder { color: var(--text-3); }
.search-bar input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-s); }
.search-bar .search-icon { position: absolute; left: .9rem; color: var(--text-3); pointer-events: none; }
.search-bar .search-clear {
  position: absolute; right: .75rem;
  background: none; border: none; cursor: pointer;
  color: var(--text-3); display: none; font-size: .9rem;
}

/* === DASHBOARD MAIN === */
.dash-main { padding: 2rem; min-height: calc(100vh - 130px); }
.dash-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.dash-stats { display: flex; gap: .75rem; margin-bottom: 2rem; flex-wrap: wrap; }
.stat-pill {
  display: flex; align-items: center; gap: .5rem;
  padding: .4rem .9rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: .8rem; color: var(--text-2);
  box-shadow: var(--shadow-sm);
}
.stat-pill strong { color: var(--text-1); }

.letter-section { margin-bottom: 2.5rem; }
.letter-header {
  display: flex; align-items: center; gap: .75rem;
  margin-bottom: 1rem; padding-bottom: .75rem;
  border-bottom: 1.5px solid var(--border);
}
.letter-badge {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--primary-g), #ecfdf5);
  border: 1.5px solid var(--border-em);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; font-weight: 800; color: var(--primary);
  font-family: var(--ff-serif);
}
.letter-count { font-size: .8rem; color: var(--text-3); }

.disease-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

.disease-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.25rem;
  display: flex; flex-direction: column; gap: .75rem;
  transition: all var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
  cursor: pointer; text-decoration: none; color: inherit;
}
.disease-card:hover {
  border-color: var(--border-em);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(5,150,105,.12);
  color: inherit;
}
.disease-card__header { display: flex; align-items: flex-start; justify-content: space-between; gap: .5rem; }
.disease-card__name { font-weight: 700; font-size: 1rem; color: var(--text-1); line-height: 1.3; }
.disease-card__desc { font-size: .85rem; color: var(--text-2); line-height: 1.5; }
.disease-card__footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.disease-card__treatments { font-size: .8rem; color: var(--text-3); }
.disease-card__treatments strong { color: var(--primary); }
.disease-card__actions { display: flex; gap: .4rem; opacity: 0; transition: opacity var(--dur); }
.disease-card:hover .disease-card__actions { opacity: 1; }

.empty-state { text-align: center; padding: 5rem 2rem; }
.empty-state__icon { font-size: 4rem; margin-bottom: 1.5rem; opacity: .5; }
.empty-state__title { font-size: 1.4rem; font-weight: 700; margin-bottom: .5rem; }
.empty-state__text { color: var(--text-2); font-size: .95rem; margin-bottom: 2rem; }

/* === DISEASE VIEW PAGE === */
.maladie-hero {
  background: #fff;
  border-bottom: 1.5px solid var(--border);
  padding: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.maladie-hero__back { display: inline-flex; align-items: center; gap: .4rem; color: var(--text-2); font-size: .875rem; margin-bottom: 1.25rem; }
.maladie-hero__back:hover { color: var(--primary); }
.maladie-hero__title { font-size: clamp(1.5rem, 4vw, 2.5rem); font-weight: 800; margin-bottom: .5rem; }
.maladie-hero__meta { display: flex; gap: 1rem; flex-wrap: wrap; }

.treatments-section { padding: 2rem; }
.treatments-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.treatments-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1rem; }

.treatment-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.25rem;
  display: flex; flex-direction: column; gap: .75rem;
  transition: all var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}
.treatment-card:hover { border-color: var(--border-em); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.treatment-card__header { display: flex; align-items: flex-start; justify-content: space-between; gap: .5rem; }
.treatment-card__name { font-weight: 700; font-size: .95rem; color: var(--text-1); }
.treatment-card__section { font-size: .75rem; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; margin-bottom: .25rem; }
.treatment-card__content { font-size: .875rem; color: var(--text-2); line-height: 1.6; }
.treatment-card__actions { display: flex; gap: .4rem; margin-top: auto; padding-top: .75rem; border-top: 1px solid var(--border); }

/* === AUTH PAGES === */
.auth-page {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center;
  padding: 3rem 1.5rem;
  background: var(--bg-0);
}

.auth-box {
  width: 100%;
  max-width: 420px;
  margin: auto 0; /* centre verticalement ; s'efface quand le contenu déborde → pas de scrollbar collée */
}

.auth-brand { text-align: center; margin-bottom: 1.5rem; }
.auth-brand__logo {
  width: 56px; height: 56px; margin: 0 auto .75rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 800; color: #fff !important;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(5,150,105,.22);
}
.auth-brand__name { font-size: 1.5rem; font-weight: 800; letter-spacing: -.5px; color: var(--text-1); }
.auth-brand__tagline { font-size: .85rem; color: var(--text-2); margin-top: .25rem; }

.auth-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2.25rem;
}
.auth-card__title { font-size: 1.3rem; font-weight: 700; margin-bottom: .25rem; color: var(--text-1); }
.auth-card__sub { font-size: .875rem; color: var(--text-2); margin-bottom: 1.75rem; }
.auth-divider { text-align: center; margin: 1.25rem 0; color: var(--text-3); font-size: .8rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: .875rem; color: var(--text-2); }

.form-check { display: flex; align-items: center; gap: .5rem; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); cursor: pointer; }
.form-check label { font-size: .875rem; color: var(--text-2); cursor: pointer; }

.password-wrap { position: relative; }
.password-wrap .form-control { padding-right: 2.75rem; }
.password-toggle {
  position: absolute; right: .75rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer;
  color: var(--text-3); font-size: 1rem; transition: color var(--dur);
}
.password-toggle:hover { color: var(--text-1); }

/* === FORM PAGE (add/edit) — centré sous la navbar === */
.form-page {
  min-height: calc(100vh - 64px);
  background: var(--bg-0);
  display: flex; align-items: center; justify-content: center;
  padding: 2rem 1.5rem;
}

.form-page__inner {
  width: 100%;
  max-width: 640px;
}

.form-page__back { display: inline-flex; align-items: center; gap: .4rem; color: var(--text-2); font-size: .875rem; margin-bottom: 1rem; }
.form-page__back:hover { color: var(--primary); }
.form-page__title { font-size: 1.5rem; font-weight: 800; margin-bottom: .2rem; color: var(--text-1); }
.form-page__sub { color: var(--text-2); font-size: .9rem; margin-bottom: 1.5rem; }

.form-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: var(--r-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

/* Ancien layout (compatibilité) */
.form-page__header { display: none; }
.form-page__body { width: 100%; }

/* === LANDING PAGE === */
.landing {
  background: var(--bg-0);
  overflow-x: hidden; /* Correction : scroll vertical autorisé */
}

.land-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 3rem;
  transition: all .4s var(--ease);
}
.land-nav.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}
.land-nav__brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.land-nav__logo {
  width: 36px; height: 36px; border-radius: var(--r-md);
  background: linear-gradient(135deg, var(--primary), var(--primary-d));
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800; color: #fff !important;
  text-decoration: none;
}
.land-nav__name { font-weight: 800; font-size: 1.1rem; color: var(--text-1); }
.land-nav__links { display: flex; align-items: center; gap: 2rem; }
.land-nav__links a { color: var(--text-2); font-size: .9rem; font-weight: 500; }
.land-nav__links a:hover { color: var(--primary); }
.land-nav__cta { display: flex; align-items: center; gap: .75rem; }

.hero {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 8rem 2rem 5rem;
  position: relative; overflow: hidden;
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(5,150,105,.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 90% 80%, rgba(124,58,237,.05) 0%, transparent 60%);
}
.hero__bg { display: none; }
.hero__orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: .08; animation: float 8s ease-in-out infinite;
}
.hero__orb--1 { width: 400px; height: 400px; background: var(--primary); top: 10%; left: -100px; }
.hero__orb--2 { width: 300px; height: 300px; background: var(--violet); bottom: 5%; right: -80px; animation-delay: -4s; }
.hero__orb--3 { width: 200px; height: 200px; background: var(--sky); top: 60%; left: 30%; animation-delay: -2s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-30px)} }

.hero__badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .4rem 1rem;
  background: #ecfdf5; border: 1px solid #a7f3d0;
  border-radius: var(--r-full);
  font-size: .8rem; font-weight: 600; color: var(--primary);
  margin-bottom: 1.5rem; position: relative; z-index: 1;
  letter-spacing: .05em; text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(5,150,105,.1);
}
.hero__badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.4)} }

.hero__title {
  font-family: var(--ff-serif);
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 800; color: var(--text-1);
  line-height: 1.1; letter-spacing: -1px;
  margin-bottom: 1.25rem; position: relative; z-index: 1;
}
.hero__title em { font-style: italic; color: var(--primary); }
.hero__sub {
  font-size: clamp(.95rem, 2vw, 1.15rem); color: var(--text-2);
  max-width: 600px; line-height: 1.75;
  margin-bottom: 2.5rem; position: relative; z-index: 1;
}
.hero__cta { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; position: relative; z-index: 1; }
.hero__scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  color: var(--text-3); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em;
  animation: bounce 2s infinite;
}
.hero__scroll::after { content:''; width:1px; height:40px; background:linear-gradient(to bottom,var(--text-3),transparent); }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(6px)} }

.features { padding: 7rem 2rem; background: #fff; border-top: 1px solid var(--border); }
.section-label {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--primary); margin-bottom: .75rem;
}
.section-title { font-family: var(--ff-serif); font-size: clamp(1.8rem, 4vw, 2.75rem); margin-bottom: 1rem; color: var(--text-1); }
.section-sub { color: var(--text-2); font-size: 1rem; max-width: 500px; line-height: 1.7; }

.features-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem; margin-top: 4rem;
}
.feature-card {
  background: var(--bg-0); border: 1.5px solid var(--border); border-radius: var(--r-lg);
  padding: 1.75rem; transition: all var(--dur) var(--ease);
  box-shadow: var(--shadow-sm);
}
.feature-card:hover { border-color: var(--border-em); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-card__icon {
  width: 52px; height: 52px; border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-bottom: 1.25rem;
}
.feature-card__title { font-weight: 700; margin-bottom: .5rem; color: var(--text-1); }
.feature-card__text { font-size: .875rem; color: var(--text-2); line-height: 1.65; }

.hiw { padding: 7rem 2rem; background: var(--bg-0); }
.hiw-steps { display: flex; flex-direction: column; gap: 0; margin-top: 4rem; max-width: 700px; }
.hiw-step { display: grid; grid-template-columns: 56px 1fr; gap: 1.5rem; padding-bottom: 2.5rem; position: relative; }
.hiw-step:not(:last-child)::before {
  content:''; position:absolute; left:27px; top:56px;
  width:2px; height:calc(100% - 28px);
  background:linear-gradient(to bottom,var(--border-em),transparent);
}
.hiw-step__num {
  width:56px; height:56px; border-radius:var(--r-lg); flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-size:1.25rem; font-weight:800;
  background: #ecfdf5;
  border:1.5px solid #a7f3d0; color:var(--primary);
}
.hiw-step__title { font-weight:700; font-size:1.1rem; margin-bottom:.4rem; color: var(--text-1); }
.hiw-step__text { color:var(--text-2); font-size:.9rem; line-height:1.65; }

.stats { padding: 5rem 2rem; background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 2rem; margin-top: 3rem; }
.stat-item { text-align: center; }
.stat-item__num {
  font-family: var(--ff-serif); font-size: 3rem; font-weight: 800;
  background: linear-gradient(135deg, var(--primary), #0284c7);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-item__label { color: var(--text-2); font-size: .875rem; margin-top: .25rem; }

.cta-section {
  padding: 7rem 2rem; text-align: center; background: var(--bg-0);
  background: linear-gradient(135deg, #ecfdf5 0%, #f8fafc 50%, #f5f3ff 100%);
}
.cta-section__title { font-family: var(--ff-serif); font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 1rem; color: var(--text-1); }
.cta-section__sub { color: var(--text-2); max-width: 500px; margin: 0 auto 2.5rem; font-size: 1rem; line-height: 1.7; }

.land-footer { background: #fff; border-top: 1px solid var(--border); padding: 3rem 2rem 2rem; }
.land-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; max-width: 1100px; margin: 0 auto 2.5rem; }
.land-footer__brand { max-width: 280px; }
.land-footer__logo { display:flex; align-items:center; gap:.6rem; font-weight:800; font-size:1.1rem; color:var(--text-1); margin-bottom:.75rem; }
.land-footer__desc { font-size: .875rem; color: var(--text-2); line-height: 1.7; }
.land-footer__head { font-size:.8rem; font-weight:700; letter-spacing:.08em; text-transform:uppercase; color:var(--text-3); margin-bottom:1rem; }
.land-footer__links { list-style:none; display:flex; flex-direction:column; gap:.6rem; }
.land-footer__links a { font-size:.875rem; color:var(--text-2); }
.land-footer__links a:hover { color:var(--primary); }
.land-footer__bottom {
  display:flex; align-items:center; justify-content:space-between;
  padding-top:1.5rem; border-top:1px solid var(--border);
  max-width:1100px; margin:0 auto;
  font-size:.8rem; color:var(--text-3); flex-wrap:wrap; gap:1rem;
}

/* === STATIC PAGES === */
.static-page { min-height: calc(100vh - 64px); padding: 3rem 1.5rem; background: var(--bg-0); }
.static-page .card-body { max-width: 800px; margin: 0 auto; }
.static-page .page-title { font-size: 2rem; margin-bottom: .5rem; }
.static-page .page-meta { color: var(--text-3); font-size: .875rem; margin-bottom: 2rem; }
.static-page h2 { font-size: 1.2rem; margin: 2rem 0 .75rem; color: var(--primary); }
.static-page p { color: var(--text-2); line-height: 1.75; margin-bottom: 1rem; }
.static-page ul { color: var(--text-2); line-height: 1.75; padding-left: 1.5rem; margin-bottom: 1rem; }
.static-page li { margin-bottom: .35rem; }

/* === MODAL === */
.modal-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(15,23,42,.4); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
  opacity: 0; pointer-events: none; transition: opacity var(--dur);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card); border: 1.5px solid var(--border);
  border-radius: var(--r-xl); padding: 2rem; max-width: 400px; width: 100%;
  transform: scale(.95); transition: transform var(--dur) var(--ease);
  box-shadow: var(--shadow-lg);
}
.modal-overlay.active .modal { transform: scale(1); }
.modal__icon { font-size: 2.5rem; margin-bottom: 1rem; }
.modal__title { font-size: 1.2rem; font-weight: 700; margin-bottom: .5rem; color: var(--text-1); }
.modal__text { color: var(--text-2); font-size: .9rem; line-height: 1.6; margin-bottom: 1.5rem; }
.modal__actions { display: flex; gap: .75rem; justify-content: flex-end; }

/* === UTILITIES === */
.d-none { display: none !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .land-footer__grid { grid-template-columns: 1fr 1fr; }
  .land-footer__brand { grid-column: 1 / -1; }
  .land-nav { padding: 1rem 1.5rem; }
  .land-nav__links { display: none; }
}
@media (max-width: 640px) {
  .app-nav { padding: 0 1rem; }
  .app-nav__user span { display: none; }
  .alpha-nav { padding: .5rem 1rem; }
  .search-wrap { padding: 1rem; }
  .dash-main { padding: 1.25rem 1rem; }
  .disease-grid, .treatments-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .maladie-hero { padding: 1.25rem 1rem; }
  .treatments-section { padding: 1.25rem 1rem; }
  .hero { padding: 7rem 1.25rem 4rem; }
  .features, .hiw, .stats, .cta-section { padding: 4rem 1.25rem; }
  .land-footer__grid { grid-template-columns: 1fr; }
  .land-footer__brand { max-width: 100%; }
  .auth-card { padding: 1.5rem; }
  .form-page { padding: 1.25rem 1rem; }
}