:root {
  --bg: #0a1512;
  --bg-alt: #0e1c18;
  --surface: #122622;
  --surface-2: #16302a;
  --border: #1e3b34;
  --teal: #2be6b8;
  --teal-soft: #7ff0d2;
  --teal-dark: #1f4d43;
  --gray: #93a39c;
  --muted: #6f8078;
  --light: #eef4f1;
  --font-body: 'Rubik', 'Saira', sans-serif;
  --font-en: 'Saira', sans-serif;
  --container: 1160px;
}

html[lang="en"] { --font-body: 'Saira', sans-serif; }

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

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
  width: 100%;
}

body {
  background: var(--bg);
  color: var(--light);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

a { color: inherit; text-decoration: none; }

/* Background effect */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(700px 460px at 85% -5%, rgba(43,230,184,0.16), transparent 60%),
    radial-gradient(560px 560px at -5% 30%, rgba(43,230,184,0.09), transparent 60%),
    radial-gradient(900px 500px at 50% 100%, rgba(43,230,184,0.05), transparent 60%),
    var(--bg);
}
.bg-fx::after {
  content: '';
  position: absolute;
  inset: 0;
  opacity: .5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  inset-inline: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background .3s ease, padding .3s ease, border-color .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10, 21, 18, 0.88);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  border-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  direction: ltr;
}
.brand-logo { height: 26px; width: auto; filter: drop-shadow(0 0 14px rgba(43,230,184,0.25)); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-family: var(--font-en);
  font-size: 15px;
  letter-spacing: .3px;
}
.main-nav a {
  color: var(--gray);
  transition: color .2s ease;
  position: relative;
}
.main-nav a:hover { color: var(--light); }
.nav-cta {
  color: var(--bg) !important;
  background: var(--teal);
  padding: 9px 20px;
  border-radius: 30px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--teal-soft); }

.lang-switch {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px;
  gap: 2px;
  flex-shrink: 0;
}
.lang-btn {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .5px;
  padding: 6px 13px;
  border-radius: 18px;
  background: transparent;
  border: none;
  color: var(--gray);
  cursor: pointer;
  transition: background .2s ease, color .2s ease;
}
.lang-btn:hover { color: var(--light); }
.lang-btn.active { background: var(--teal); color: var(--bg); }
.lang-switch-mobile { display: none; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--light);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 90px;
}
.hero-inner { max-width: 780px; }
.eyebrow {
  font-family: var(--font-en);
  color: var(--teal);
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 13px;
  margin-bottom: 22px;
  font-weight: 500;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.hero h1 .accent { color: var(--teal); }
.hero-sub {
  font-size: 19px;
  color: var(--gray);
  max-width: 560px;
  margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 16px;
  transition: transform .25s ease, background .25s ease, border-color .25s ease, color .25s ease, box-shadow .25s ease;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--teal-soft), var(--teal) 60%, #17b894);
  color: #06120f;
  box-shadow: 0 8px 24px rgba(43,230,184,0.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(43,230,184,0.38);
}
.btn-ghost {
  border-color: var(--border);
  color: var(--light);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
  box-shadow: 0 0 0 1px rgba(43,230,184,0.15), 0 10px 26px rgba(43,230,184,0.14);
  transform: translateY(-2px);
}
.btn-lg { padding: 18px 42px; font-size: 18px; }

.scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 20px;
}
.scroll-hint span {
  display: block;
  width: 4px;
  height: 8px;
  background: var(--teal);
  border-radius: 2px;
  margin: 7px auto;
  animation: scrollDot 1.8s infinite;
}
@keyframes scrollDot {
  0% { transform: translateY(0); opacity: 1; }
  70% { transform: translateY(14px); opacity: 0; }
  100% { opacity: 0; }
}

/* Sections */
.section { padding: 120px 0; position: relative; }
.section-alt { background: var(--bg-alt); }
.section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 140px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-dark), transparent);
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 14px;
}
.kicker::before {
  content: '';
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal));
}
.section-head { max-width: 700px; margin-bottom: 56px; }
.section-head h2, .about-grid h2 { font-size: clamp(26px, 3.6vw, 38px); font-weight: 700; line-height: 1.25; }
.section-desc { color: var(--gray); font-size: 17px; margin-top: 16px; max-width: 620px; }

/* Split */
.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.split-text p {
  color: var(--gray);
  font-size: 17px;
  margin-bottom: 20px;
}
.glow-card {
  position: relative;
  background: linear-gradient(145deg, var(--surface), var(--surface-2));
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 36px;
  overflow: hidden;
}
.glow-line {
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(43,230,184,0.35), transparent 70%);
  filter: blur(10px);
}
.glow-quote {
  position: relative;
  font-size: 22px;
  font-weight: 500;
  color: var(--teal-soft);
  line-height: 1.6;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pillar {
  background: linear-gradient(160deg, rgba(22,48,42,0.65), rgba(18,38,34,0.4));
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 30px 24px;
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.pillar:hover {
  border-color: var(--teal-dark);
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(0,0,0,0.3), 0 0 0 1px rgba(43,230,184,0.12);
}
.pillar-num {
  font-family: var(--font-en);
  color: var(--teal-dark);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}
.pillar h3 { font-size: 19px; margin-bottom: 10px; font-weight: 600; }
.pillar p { color: var(--gray); font-size: 15px; }

/* Audience */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.audience-card {
  padding: 28px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(22,48,42,0.55), rgba(18,38,34,0.15));
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-top: 2px solid var(--teal-dark);
  transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.audience-card:hover {
  transform: translateY(-5px);
  border-top-color: var(--teal);
  box-shadow: 0 16px 36px rgba(0,0,0,0.3), 0 0 0 1px rgba(43,230,184,0.1);
}
.audience-card h3 { font-size: 18px; margin-bottom: 10px; font-weight: 600; }
.audience-card p { color: var(--gray); font-size: 15px; }

/* Spotlight */
.spotlight {
  margin-top: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: linear-gradient(120deg, rgba(43,230,184,0.08), var(--surface) 55%);
  border: 1px solid var(--teal-dark);
  border-radius: 20px;
  padding: 40px 44px;
}
.spotlight-text h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 6px 0 12px;
  color: var(--light);
}
.spotlight-text p { color: var(--gray); font-size: 16px; max-width: 620px; }
.spotlight-btn { flex-shrink: 0; }

@media (max-width: 760px) {
  .spotlight { flex-direction: column; align-items: flex-start; padding: 32px 26px; }
}

/* About */
.about-grid { max-width: 720px; }
.founder-card {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-top: 32px;
  padding: 16px 28px 16px 16px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(43,230,184,0.07), var(--surface) 70%);
  backdrop-filter: blur(8px);
}
.founder-avatar {
  width: 84px;
  height: 84px;
  border-radius: 16px;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 0 2px var(--teal), 0 8px 22px rgba(43,230,184,0.3);
}
.founder-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.founder-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.founder-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--light);
  line-height: 1.2;
}
.founder-title {
  font-family: var(--font-en);
  color: var(--teal);
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  line-height: 1.2;
}

html[dir="ltr"] .founder-card { padding: 16px 16px 16px 28px; }

/* CTA */
.cta-section { text-align: center; }
.cta-inner { display: flex; flex-direction: column; align-items: center; }
.cta-inner .kicker::after {
  content: '';
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--teal), transparent);
}
.cta-inner h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 700; margin-bottom: 16px; }
.cta-inner .section-desc { margin: 0 0 36px; }

/* Contact form */
.contact-form {
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.hp-field {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
}
.form-row { display: flex; gap: 14px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--light);
  font-family: var(--font-body);
  font-size: 15px;
  resize: vertical;
  transition: border-color .25s ease, box-shadow .25s ease;
}
.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted); }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--teal-dark);
  box-shadow: 0 0 0 3px rgba(43,230,184,0.1);
}
.contact-form .btn { margin-top: 4px; align-self: center; }
.form-note {
  min-height: 20px;
  font-size: 14px;
  color: var(--teal-soft);
}
.contact-divider {
  color: var(--muted);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin: 28px 0 18px;
}

@media (max-width: 560px) {
  .form-row { flex-direction: column; }
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  text-align: center;
}
.footer-logo { height: 20px; margin: 0 auto 14px; opacity: .85; }
.footer-tagline { font-family: var(--font-en); color: var(--muted); font-size: 13px; letter-spacing: .5px; margin-bottom: 10px; }
.footer-copy { color: var(--muted); font-size: 13px; }

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 900px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .main-nav {
    position: fixed;
    top: 64px;
    inset-inline: 16px;
    background: rgba(14, 28, 24, 0.97);
    border: 1px solid var(--border);
    border-radius: 16px;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    gap: 6px;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav a { padding: 12px 10px; border-radius: 8px; }
  .main-nav a:hover { background: var(--surface); }
  .nav-cta { text-align: center; margin-top: 6px; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 0; }
  .pillars, .audience-grid { grid-template-columns: 1fr; }
  .lang-switch-desktop { display: none; }
  .lang-switch-mobile { display: flex; align-self: center; margin-top: 10px; }

  .hero {
    min-height: auto;
    padding-top: 130px;
    padding-bottom: 70px;
  }
  .scroll-hint { display: none; }
}