:root {
  --bg-deep: #090a0f;
  --bg: #0e0f17;
  --surface: #13151f;
  --border: #232636;
  --text: #ffffff;
  --text-soft: #e2e8f0;
  --text-muted: #9aa0b4;
  --purple: #8b31ff;
  --magenta: #ff2a85;
  --pink: #d936cd;
  --green: #1ed760;
  --grad: linear-gradient(90deg, #8b31ff 0%, #ff2a85 100%);
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Space Grotesk", "Inter", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

/* ============ NAV ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: rgba(9, 10, 15, 0.85);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.nav__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  flex-wrap: nowrap;
  gap: 28px;
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
  flex-shrink: 0;
}

.nav__brand-accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav__links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 32px);
  flex-wrap: nowrap;
}

.nav__links a {
  color: var(--text-soft);
  font-size: 0.92rem;
  font-weight: 500;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s;
}

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

.nav__lang {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-soft);
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: color 0.2s, border-color 0.2s;
}

.nav__lang:hover {
  color: var(--text);
  border-color: var(--magenta);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding-top: 72px;
  padding-bottom: 80px;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 45% at 50% 8%, rgba(139, 49, 255, 0.28), transparent 60%),
    radial-gradient(ellipse 45% 35% at 78% 30%, rgba(255, 42, 133, 0.22), transparent 65%),
    radial-gradient(ellipse 40% 30% at 18% 40%, rgba(217, 54, 205, 0.14), transparent 60%);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 32px 0;
  text-align: center;
}

.hero__logo {
  display: block;
  width: min(180px, 55vw);
  height: auto;
  margin: 0 auto 36px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--green);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 32px;
}

.badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__slogan {
  font-family: var(--font-display);
  color: var(--pink);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 20px;
  text-shadow: 0 0 24px rgba(217, 54, 205, 0.45);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

.hero__title-accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__subtitle {
  color: var(--text-soft);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.7;
  max-width: 680px;
  margin: 0 auto 40px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ============ BUTTONS ============ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
  border: none;
}

.btn--primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 8px 30px rgba(255, 42, 133, 0.35);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(255, 42, 133, 0.5);
}

.btn__shine {
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  animation: shine 3.5s ease-in-out infinite;
}

@keyframes shine {
  0% { left: -80%; }
  55%, 100% { left: 140%; }
}

.btn--secondary {
  background: transparent;
  color: #fff;
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  border-color: var(--magenta);
  background: rgba(255, 42, 133, 0.06);
}

.btn__play {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--grad);
  font-size: 0.6rem;
  color: #fff;
}

/* ============ HIGHLIGHTS ============ */
.highlights {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin: -40px auto 0;
  padding: 0 32px;
}

.highlights__bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(139, 49, 255, 0.08);
}

.highlight {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.highlight__icon {
  font-size: 1.6rem;
  filter: drop-shadow(0 0 12px rgba(139, 49, 255, 0.6));
}

.highlight__text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.highlight__text strong {
  font-size: 0.98rem;
  font-weight: 600;
}

.highlight__text span {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

/* ============ SECTIONS ============ */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 32px;
}

.section--alt {
  max-width: 100%;
  background: radial-gradient(ellipse 50% 40% at 50% 0%, rgba(139, 49, 255, 0.1), transparent 70%);
  padding-left: calc((100% - 1200px) / 2 + 32px);
  padding-right: calc((100% - 1200px) / 2 + 32px);
}

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 72px;
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 16px;
}

.section__subtitle {
  color: var(--text-soft);
  font-size: 1.1rem;
}

/* ============ STEPS ============ */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 28px;
  position: relative;
  overflow: hidden;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent, var(--grad));
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45), 0 0 30px var(--accent-glow, rgba(139, 49, 255, 0.2));
}

.step--green { --accent: #1ed760; --accent-glow: rgba(30, 215, 96, 0.25); }
.step--pink  { --accent: #ff2a85; --accent-glow: rgba(255, 42, 133, 0.25); }
.step--purple{ --accent: #8b31ff; --accent-glow: rgba(139, 49, 255, 0.25); }

.step__number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  background: var(--accent, var(--grad));
  color: #0a0b10;
  margin: 0 auto 24px;
  box-shadow: 0 0 20px var(--accent-glow, rgba(139, 49, 255, 0.4));
}

.card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.card__text {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* ============ FAN FLOW ============ */
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.flow__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s;
}

.flow__item:hover {
  transform: translateY(-6px);
  border-color: var(--magenta);
}

.flow__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: rgba(139, 49, 255, 0.12);
  margin-bottom: 20px;
  filter: drop-shadow(0 0 16px rgba(255, 42, 133, 0.35));
}

.flow__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.flow__text {
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ============ FEATURES ============ */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
  text-align: center;
  transition: transform 0.25s, border-color 0.25s;
}

.feature:hover {
  transform: translateY(-6px);
  border-color: var(--purple);
  box-shadow: 0 0 40px rgba(139, 49, 255, 0.15);
}

.feature__icon {
  font-size: 1.9rem;
  margin-bottom: 18px;
  display: block;
  text-align: center;
  filter: drop-shadow(0 0 14px rgba(139, 49, 255, 0.5));
}

.feature__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.feature__text {
  color: var(--text-soft);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* ============ FAQ ============ */
.faq {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq__item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  transition: border-color 0.2s;
}

.faq__item[open] {
  border-color: var(--purple);
}

.faq__question {
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  position: relative;
  padding-right: 28px;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--pink);
  transition: transform 0.2s;
}

.faq__item[open] .faq__question::after {
  transform: translateY(-50%) rotate(45deg);
}

.faq__answer {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-top: 12px;
}

/* ============ CTA ============ */
.cta {
  position: relative;
  padding: 140px 32px;
  overflow: hidden;
  background: linear-gradient(180deg, #090a0f 0%, #1b0c26 100%);
  text-align: center;
}

.cta__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse 55% 50% at 50% 50%, rgba(139, 49, 255, 0.25), transparent 70%);
}

.cta__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta__subtitle {
  color: var(--text-soft);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.cta__submit {
  white-space: nowrap;
}

/* ============ FOOTER ============ */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 32px;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer__brand {
  font-family: var(--font-display);
  font-weight: 700;
}

.footer__tag {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer__social {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.footer__social:hover {
  color: var(--text);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 960px) {
  .steps,
  .highlights__bar {
    grid-template-columns: 1fr;
  }
  .flow {
    grid-template-columns: repeat(2, 1fr);
  }
  .features {
    grid-template-columns: 1fr;
  }
  .nav {
    display: none;
  }
  .hero {
    padding-top: 0;
  }
}

@media (max-width: 560px) {
  .flow {
    grid-template-columns: 1fr;
  }
  .highlights {
    margin-top: 0;
  }
  .hero__actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
}