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

:root {
  --bg:          #0a0d18;
  --surface:     #11141f;
  --surface2:    #161b28;
  --border:      #1e2336;
  --accent:      #ffdf00;
  --accent-bg:   #1f1a00;
  --accent-deep: #0d0900;
  --text:        #ffffff;
  --muted:       #a8a8b8;
  --dim:         #5a607a;
  --radius:      12px;
  --radius-lg:   20px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.accent { color: var(--accent); }
.dot { color: var(--accent); }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 13, 24, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  text-decoration: none;
}

.btn-nav {
  padding: 9px 20px;
  border-radius: 8px;
  background: var(--accent);
  color: #0a0d18;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn-nav:hover { opacity: 0.85; }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 500px;
  background: radial-gradient(ellipse at center, rgba(255, 223, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(255, 223, 0, 0.3);
  background: rgba(255, 223, 0, 0.06);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: 0.2px;
}

.hero h1 {
  font-size: clamp(42px, 8vw, 80px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(16px, 2.5vw, 20px);
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto 40px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  padding: 16px 32px;
  background: var(--accent);
  color: #0a0d18;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-ghost {
  padding: 16px 32px;
  background: transparent;
  color: var(--text);
  border-radius: 10px;
  border: 1px solid var(--border);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--muted); color: var(--text); }

/* ── LAYOUT ── */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section h2 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.1;
  margin-bottom: 56px;
}

.section-sub {
  font-size: 18px;
  color: var(--muted);
  margin-top: -36px;
  margin-bottom: 56px;
  max-width: 480px;
}

/* ── FEATURES ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(255, 223, 0, 0.25);
  transform: translateY(-2px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-bg);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.feature-icon svg {
  width: 22px;
  height: 22px;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ── SHOWCASE TAG ── */
.showcase-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 100px;
  background: var(--accent-bg);
  border: 1px solid rgba(255, 223, 0, 0.25);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

/* ── SHOWCASE SECTION ── */
.showcase-section { padding-bottom: 80px; }
.showcase-section .section-sub { margin-bottom: 40px; }

/* ── CAROUSEL ── */
.carousel-root {
  position: relative;
  width: 100%;
  padding-bottom: 24px;
}

.carousel-track-wrap {
  overflow: hidden;
  width: 100%;
  padding: 40px 0 20px;
  perspective: 1200px;
}

.carousel-track {
  position: relative;
  width: 100%;
  height: clamp(320px, 52vw, 600px);
}

.carousel-slide {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(72%, 860px);
  transform: translate(-50%, -50%) translateX(110%) scale(0.72) rotateY(-18deg);
  opacity: 0;
  filter: brightness(0.55);
  transition: transform 0.55s cubic-bezier(0.4,0,0.2,1),
              opacity   0.55s cubic-bezier(0.4,0,0.2,1),
              filter    0.55s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
  z-index: 1;
}

.carousel-slide.prev,
.carousel-slide.next-slide {
  opacity: 0.35;
}

.carousel-slide.active {
  transform: translate(-50%, -50%) translateX(0) scale(1) rotateY(0deg);
  opacity: 1;
  filter: brightness(1);
  pointer-events: auto;
  z-index: 3;
}

.carousel-slide.prev {
  transform: translate(-50%, -50%) translateX(-110%) scale(0.72) rotateY(18deg);
  opacity: 0.35;
  filter: brightness(0.55);
  z-index: 2;
}

.carousel-slide.next-slide {
  transform: translate(-50%, -50%) translateX(110%) scale(0.72) rotateY(-18deg);
  opacity: 0.35;
  filter: brightness(0.55);
  z-index: 2;
}

.screen-bezel {
  border-radius: 12px;
  border: 1.5px solid rgba(255,255,255,0.08);
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.6),
    0 32px 80px rgba(0,0,0,0.8),
    0 0 60px rgba(255, 223, 0, 0.07),
    inset 0 1px 0 rgba(255,255,255,0.06);
  overflow: hidden;
  background: #000;
}

.screen-bezel img {
  display: block;
  width: 100%;
  height: auto;
}

.carousel-caption {
  text-align: center;
  margin-top: 32px;
  min-height: 60px;
  padding: 0 24px;
}

.carousel-caption p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 520px;
  margin: 6px auto 0;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(calc(-50% - 48px));
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  z-index: 10;
}

.carousel-btn svg { width: 20px; height: 20px; }
.carousel-btn--prev { left: max(16px, calc(50% - 500px)); }
.carousel-btn--next { right: max(16px, calc(50% - 500px)); }

.carousel-btn:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
  transform: translateY(calc(-50% - 48px)) scale(1.07);
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  padding: 0;
  transition: background 0.2s, transform 0.2s;
}

.carousel-dot.active {
  background: var(--accent);
  transform: scale(1.35);
}

/* ── STEPS ── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 640px;
}

.step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-bg);
  border: 1px solid rgba(255, 223, 0, 0.3);
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-body {
  padding-top: 8px;
  padding-bottom: 32px;
}

.step-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.step-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

.step-divider {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin-left: 19px;
}

/* ── PRICING ── */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  align-items: start;
}

.plan-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
}

.plan-card.plan-featured {
  border-color: rgba(255, 223, 0, 0.5);
  background: linear-gradient(160deg, #16180a 0%, var(--surface) 60%);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0a0d18;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 100px;
  white-space: nowrap;
}

.plan-header {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.plan-name {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.price-big {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1.5px;
  color: var(--text);
}

.price-unit {
  font-size: 16px;
  color: var(--muted);
  font-weight: 500;
}

.plan-period {
  font-size: 13px;
  color: var(--dim);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.plan-features li {
  font-size: 14px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 10px;
}

.plan-features li::before {
  content: '';
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Ccircle cx='8' cy='8' r='7.25' stroke='%23ffdf00' stroke-width='1.5'/%3E%3Cpath d='M5 8l2 2 4-4' stroke='%23ffdf00' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}

.btn-plan {
  display: block;
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-weight: 600;
  font-size: 15px;
  text-align: center;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s;
}

.btn-plan:hover {
  border-color: var(--muted);
  background: rgba(255,255,255,0.04);
}

.btn-plan-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0d18;
}

.btn-plan-accent:hover {
  background: #ffe933;
  border-color: #ffe933;
}

.plan-notice {
  margin-top: 14px;
  font-size: 12px;
  color: var(--dim);
  line-height: 1.5;
  text-align: center;
}

.plan-notice a {
  color: var(--muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── FOOTER ── */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-links a:hover { color: var(--text); }

.footer-copy {
  font-size: 12px;
  color: var(--dim);
}

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .hero { padding: 100px 20px 60px; }
  .section { padding: 72px 0; }
  .section h2 { margin-bottom: 36px; }
  .section-sub { margin-bottom: 36px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { text-align: center; }
  .plan-card.plan-featured { margin-top: 12px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .carousel-slide { width: 88%; }
  .carousel-track { height: clamp(200px, 56vw, 400px); }
  .carousel-btn--prev { left: 8px; }
  .carousel-btn--next { right: 8px; }
}

@media (max-width: 480px) {
  .nav-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
}
