/* =============================================
   LEA — site.css  |  Light premium aesthetic
   Palette:
     --bg-0:      #F5F8FC  (page)
     --bg-1:      #FFFFFF  (surface)
     --bg-2:      #EEF3F9  (soft card)
     --blue:      #2563EB
     --blue-lt:   #4F86F7
     --blue-xs:   #86AFFF
     --text:      #0F172A
     --text-muted:#5F6B7A
     --border:    rgba(15,23,42,.08)
   ============================================= */

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

:root {
  --bg-0: #F5F8FC;
  --bg-1: #FFFFFF;
  --bg-2: #EEF3F9;
  --bg-3: #DCE6F2;
  --blue: #2563EB;
  --blue-lt: #4F86F7;
  --blue-xs: #86AFFF;
  --blue-glow: rgba(37,99,235,.12);
  --text: #0F172A;
  --text-muted: #5F6B7A;
  --border: rgba(15,23,42,.08);
  --radius: 18px;
  --radius-sm: 12px;
  --transition: .24s cubic-bezier(.2,.8,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Manrope', sans-serif;
  background: linear-gradient(180deg, #FAFCFF 0%, #F4F7FB 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  isolation: isolate;
}

body::before,
body::after { content: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn--primary {
  background: var(--blue);
  color: #fff;
  padding: 12px 24px;
  box-shadow: 0 8px 20px rgba(37,99,235,.14);
}
.btn--primary:hover {
  background: #1D4ED8;
  box-shadow: 0 12px 24px rgba(37,99,235,.18);
  transform: translateY(-2px);
}
.btn--outline {
  background: rgba(255,255,255,.88);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 20px;
  backdrop-filter: blur(8px);
}
.btn--outline:hover {
  border-color: rgba(37,99,235,.18);
  color: var(--blue);
  box-shadow: 0 8px 18px rgba(15,23,42,.05);
}
.btn--ghost {
  background: rgba(255,255,255,.92);
  color: var(--text);
  padding: 12px 24px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 18px rgba(15,23,42,.03);
}
.btn--ghost:hover { background: #fff; border-color: rgba(37,99,235,.12); }
.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--sm { padding: 8px 16px; font-size: .875rem; }
.btn--full { width: 100%; justify-content: center; }
.btn--disabled { opacity: .5; cursor: not-allowed; }

/* ── NAVBAR ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background .3s, box-shadow .3s;
  padding: 20px 0;
}
.nav.scrolled {
  background: rgba(250,252,255,.82);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 rgba(15,23,42,.05);
  padding: 12px 0;
}
.nav__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.nav__brand {
  font-family: 'Sora', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .04em;
}
.nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin-left: auto;
}
.nav__links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.nav__links a:hover { color: var(--text); }
.nav__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}
.lang-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .8rem;
  color: var(--text-muted);
}
.lang-switch a {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.lang-switch a.active,
.lang-switch a:hover { color: var(--blue-lt); }
.nav__burger { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 4px; }
.nav__burger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all .3s; }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255,255,255,.92) 0%, rgba(244,247,251,1) 100%);
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .18;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.08) 0%, rgba(244,247,251,.72) 100%);
}
.hero__content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: 80px;
  max-width: 820px;
}
.hero__tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(255,255,255,.8);
  border: 1px solid rgba(37,99,235,.12);
  border-radius: 100px;
  padding: 8px 16px;
  margin-bottom: 28px;
  box-shadow: 0 6px 14px rgba(15,23,42,.03);
}
.hero__headline {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--text) 52%, var(--blue-lt) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.hero__ctas { display: flex; gap: 16px; flex-wrap: wrap; }
.hero__scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero__scroll span {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--blue-lt), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  100% { transform: scaleY(1); transform-origin: bottom; opacity: 0; }
}

/* ── STATS ── */
.stats {
  background: rgba(255,255,255,.32);
  border-top: 1px solid rgba(15,23,42,.06);
  border-bottom: 1px solid rgba(15,23,42,.06);
  padding: 56px 0;
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 22px 16px;
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(15,23,42,.05);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(15,23,42,.03);
}
.stats__num {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--blue);
  line-height: 1;
}
.stats__suffix {
  font-family: 'Sora', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--blue);
}
.stats__label {
  font-size: .8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: 4px;
}

/* ── SECTION HEADER ── */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-header h2 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.section-header--light h2 { color: var(--text); }
.section-header p { color: var(--text-muted); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

/* ── SERVICES ── */
.services { padding: 104px 0; background: transparent; }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: rgba(255,255,255,.92);
  border: 1px solid rgba(15,23,42,.05);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s, border-color .3s;
  box-shadow: 0 8px 22px rgba(15,23,42,.03);
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(37,99,235,.12);
  box-shadow: 0 14px 32px rgba(15,23,42,.05);
}
.service-card--featured {
  background: linear-gradient(135deg, rgba(79,134,247,.06) 0%, rgba(255,255,255,.96) 58%, rgba(238,243,249,.9) 100%);
  border-color: rgba(37,99,235,.12);
}
.service-card__icon {
  width: 56px;
  height: 56px;
  color: var(--blue-lt);
  margin-bottom: 24px;
}
.service-card h3 {
  font-family: 'Sora', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.service-card p { color: var(--text-muted); font-size: .95rem; line-height: 1.7; }
.service-card__accent {
  position: absolute;
  bottom: 0; right: 0;
  width: 80px; height: 80px;
  background: radial-gradient(circle, rgba(37,99,235,.08) 0%, transparent 70%);
  border-radius: 50%;
  transform: translate(30px, 30px);
}
.service-card--featured .service-card__accent {
  width: 120px; height: 120px;
  background: radial-gradient(circle, rgba(37,99,235,.12) 0%, transparent 70%);
}
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].revealed { opacity: 1; transform: translateY(0); }

/* ── ABOUT ── */
.about { padding: 104px 0; background: transparent; }
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__visual { position: relative; }
.about__map {
  background: rgba(255,255,255,.94);
  border: 1px solid rgba(15,23,42,.05);
  border-radius: var(--radius);
  padding: 40px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(15,23,42,.03);
}
.eu-map { width: 100%; max-width: 300px; }
.pulse-dot { animation: pulse 2s ease infinite; }
.pulse-ring { animation: pulseRing 2s ease infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .6; } }
@keyframes pulseRing { 0% { r: 8; opacity: .15; } 50% { r: 16; opacity: .05; } 100% { r: 8; opacity: .15; } }
.about__badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-lt) 100%);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 10px 24px rgba(37,99,235,.16);
}
.about__badge-num {
  font-family: 'Sora', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.about__badge-text {
  font-size: .7rem;
  opacity: .8;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.about__text h2 {
  font-family: 'Sora', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.about__text > p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 32px;
}
.about__pillars { display: flex; flex-direction: column; gap: 14px; }
.pillar { display: flex; align-items: center; gap: 12px; font-size: .9rem; color: var(--text-muted); }
.pillar svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ── FOOTER ── */
.footer { background: rgba(255,255,255,.82); border-top: 1px solid rgba(15,23,42,.06); padding: 44px 0; }
.footer__inner { display: flex; flex-direction: column; align-items: center; gap: 24px; text-align: center; }
.footer__brand { display: flex; align-items: center; gap: 10px; }
.footer__brand span {
  font-family: 'Sora', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}
.footer__tagline { color: var(--text-muted); font-size: .9rem; }
.footer__links { display: flex; gap: 24px; }
.footer__links a { color: var(--text-muted); font-size: .85rem; text-decoration: none; transition: color var(--transition); }
.footer__links a:hover { color: var(--text); }
.footer__copy { color: var(--text-muted); font-size: .8rem; }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .services__grid { grid-template-columns: 1fr; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .about__inner { grid-template-columns: 1fr; }
  .about__badge { bottom: -10px; right: 10px; }
  .nav__links { display: none; }
  .nav__burger { display: flex; margin-left: auto; }
}
@media (max-width: 600px) {
  .hero__ctas { flex-direction: column; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── MOBILE MENU ── */
.nav.mobile-open .nav__links {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(250,252,255,.98);
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 99;
}
.nav.mobile-open .nav__links a { font-size: 1.5rem; }
