/* ── Klyvora Landing Page — black & white ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #0a0a0a;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

/* Buttons */
.btn-landing {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
  transition: transform .18s, box-shadow .18s, background .18s, color .18s;
}
.btn-landing:hover { transform: translateY(-2px); text-decoration: none; }

.btn-black {
  background: #0a0a0a;
  color: #fff;
  border-color: #0a0a0a;
  box-shadow: 0 4px 24px rgba(0,0,0,.25);
}
.btn-black:hover {
  background: #222;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
  color: #fff;
}

.btn-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.55);
}
.btn-white:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
}

.btn-full { width: 100%; border-radius: 12px; padding: 15px; }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  background: #0a0a0a;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(255,255,255,.06) 0%, transparent 70%),
    radial-gradient(circle at 80% 80%, rgba(255,255,255,.03) 0%, transparent 50%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.hero-logo {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 20px;
  margin-bottom: 28px;
  box-shadow: 0 8px 40px rgba(255,255,255,.08);
}

.hero-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: 14px;
}

.hero-title {
  font-size: clamp(52px, 10vw, 88px);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: #fff;
  line-height: 1;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: clamp(16px, 2.5vw, 19px);
  line-height: 1.7;
  color: rgba(255,255,255,.62);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(255,255,255,.3);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ── SPLIT SECTION ── */
.split-section {
  background: #fff;
  padding: 80px 24px;
}

.split-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.split-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.split-logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 10px;
}

.split-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.split-left h2 {
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
}

.split-lead {
  font-size: 16px;
  line-height: 1.75;
  color: #555;
  margin-bottom: 32px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.feature-list li {
  padding-left: 20px;
  border-left: 3px solid #0a0a0a;
}

.feature-list strong {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-list span {
  font-size: 13px;
  color: #666;
  line-height: 1.6;
}

.split-foot {
  font-size: 13px;
  color: #999;
  font-style: italic;
}

/* Login panel */
.split-right {
  position: sticky;
  top: 40px;
}

.login-panel {
  background: #fafafa;
  border: 1px solid #e8e8e8;
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(0,0,0,.08);
}

.login-panel h3 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.login-sub {
  font-size: 14px;
  color: #888;
  margin-bottom: 28px;
}

.login-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 20px;
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 7px;
  color: #333;
}

.field input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #ddd;
  border-radius: 10px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
  color: #0a0a0a;
  transition: border-color .15s, box-shadow .15s;
}

.field input:focus {
  outline: none;
  border-color: #0a0a0a;
  box-shadow: 0 0 0 3px rgba(0,0,0,.08);
}

.login-note {
  text-align: center;
  font-size: 12px;
  color: #aaa;
  margin-top: 20px;
}

/* Footer */
.landing-footer {
  background: #0a0a0a;
  color: rgba(255,255,255,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  font-size: 13px;
}

.footer-logo {
  width: 24px;
  height: 24px;
  object-fit: contain;
  border-radius: 5px;
  opacity: .7;
}

/* Responsive */
@media (max-width: 860px) {
  .split-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .split-right { position: static; }
  .hero-title { font-size: 52px; }
}