@charset "UTF-8";

/* -- LimShakei DenkTank  Custom Stylesheet -- */

:root {
  --dt-accent:        #e94560;
  --dt-dark:          #1a1a2e;
  --dt-font-heading:  'Sora', sans-serif;
  --dt-font-body:     'Inter', sans-serif;
}

body { font-family: var(--dt-font-body); }
h1, h2, h3, h4, h5,
.display-1, .display-2, .display-3,
.display-4, .display-5, .display-6 {
  font-family: var(--dt-font-heading);
}

/* ------------ Navbar ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.navbar {
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}
.navbar:not(.scrolled) {
  background-color: #fff;
}
.navbar.scrolled {
  background-color: #fff !important;
  box-shadow: 0 2px 16px rgba(0,0,0,0.10) !important;
}
.navbar .nav-link {
  border-radius: 50px;
  padding: 6px 16px !important;
  font-weight: 600;
  font-size: 0.88rem;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
  border: 1px solid transparent;
}
.navbar .nav-link:hover {
  background: rgba(233,69,96,0.08);
  border-color: rgba(233,69,96,0.25);
  color: #e94560 !important;
}
.navbar .nav-link.active {
  background: rgba(233,69,96,0.12);
  border-color: rgba(233,69,96,0.4);
  color: #e94560 !important;
  font-weight: 700;
}

/* ------------ Language toggle ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.lang-toggle {
  display: inline-flex;
  width: fit-content;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.18);
  border-radius: 50px;
  overflow: hidden;
  font-size: 0.8rem;
  font-weight: 700;
}
.lang-btn {
  padding: 5px 13px;
  border: none;
  background: transparent;
  cursor: pointer;
  color: inherit;
  transition: background 0.15s, color 0.15s;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.lang-btn.active {
  background: var(--dt-accent);
  color: #fff !important;
}

/* ------------ Theme switcher ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
#theme-switcher-btn {
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
}
.theme-dropdown-menu {
  max-height: 320px;
  overflow-y: auto;
  min-width: 180px;
}
.theme-item {
  cursor: pointer;
  font-size: 0.85rem;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.theme-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* ------------ Back-to-top button ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
#back-to-top {
  position: fixed;
  bottom: 75px;
  right: 28px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #e94560;
  color: #fff;
  border: none;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(233,69,96,0.4);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 9999;
  text-decoration: none;
}
#back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}
#back-to-top:hover {
  background: #d63651;
  color: #fff;
}

/* ------------ Form ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.form-control,
.form-control::placeholder {
  font-size: 0.92rem;
  font-family: var(--dt-font-body);
}
.form-control-lg,
.form-control-lg::placeholder {
  font-size: 0.92rem !important;
}
#form-alert {
  display: none;
  border-radius: 12px;
}

/* ------------ Hero ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
#hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  min-height: 92vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: #fff;
}
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(233,69,96,0.22) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(100,100,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-block;
  background: rgba(233,69,96,0.18);
  border: 1px solid rgba(233,69,96,0.4);
  color: #ff8fa3;
  border-radius: 50px;
  padding: 5px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.2rem;
}
#hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
}
#hero h1 .accent { color: #e94560; }
#hero .lead {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.78);
  max-width: 540px;
  line-height: 1.7;
}
.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 2rem;
}
.btn-hero-primary {
  background: #e94560;
  border: none;
  color: #fff;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  transition: transform 0.18s, box-shadow 0.18s;
  box-shadow: 0 6px 24px rgba(233,69,96,0.35);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 32px rgba(233,69,96,0.5);
  color: #fff;
  background: #d63651;
}
.btn-hero-secondary {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 1rem;
  backdrop-filter: blur(8px);
  transition: background 0.18s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.btn-hero-secondary:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
}
.hero-card-visual {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  backdrop-filter: blur(12px);
  padding: 2.5rem;
}
.brain-icon {
  font-size: 5rem;
  color: #e94560;
  display: block;
  text-align: center;
  margin-bottom: 1rem;
}
.hero-stat .stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--dt-font-heading);
  color: #fff;
  line-height: 1;
}
.hero-stat .stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.5;
  animation: bounce 1.6s infinite;
  font-size: 1.5rem;
  color: #fff;
}

/* ------------ Sections ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e94560;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

/* ------------ Feature cards ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.feature-card {
  border: none;
  border-radius: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.12);
}
.feature-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: rgba(233,69,96,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #e94560;
  margin-bottom: 1.2rem;
}

/* ------------ Process steps ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.process-step {
  position: relative;
  padding-left: 70px;
  margin-bottom: 2.5rem;
}
.step-number {
  position: absolute;
  left: 0;
  top: 0;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #e94560;
  color: #fff;
  font-weight: 800;
  font-family: var(--dt-font-heading);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ------------ Testimonials ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.testimonial-card {
  border-radius: 16px;
  border: none;
}
.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #e94560;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ------------ Pricing ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.pricing-card {
  border-radius: 20px;
  overflow: hidden;
}
.pricing-highlight {
  position: relative;
  border: 2px solid #e94560 !important;
}
.pricing-badge {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: #e94560;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 50px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ------------ CTA Banner ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.cta-banner {
  background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
  border-radius: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(233,69,96,0.15);
}

/* ------------ Footer ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
footer a {
  text-decoration: none;
  transition: opacity 0.15s;
}
footer a:hover { opacity: 0.75; }

/* ------------ Spinner ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
.btn-spinner {
  display: none;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 8px;
}

/* ------------ Animations ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.65s ease both; }
.delay-1 { animation-delay: 0.10s; }
.delay-2 { animation-delay: 0.22s; }
.delay-3 { animation-delay: 0.34s; }
.delay-4 { animation-delay: 0.46s; }

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}