:root {
  --bg: #121212;
  --bg-elev: #181818;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-border: rgba(255, 255, 255, 0.09);
  --text: #ffffff;
  --muted: #b3b3b3;
  --green: #1db954;
  --green-bright: #1ed760;
  --green-dark: #179443;
  --grad: linear-gradient(135deg, #1ed760, #1db954 55%, #17a3e6);
  --radius: 18px;
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

.container { width: min(1180px, 92%); margin-inline: auto; }

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

::selection { background: var(--green); color: #04120a; }

/* ---------- background glow ---------- */
.bg-glow { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.glow { position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.28; }
.glow-1 { width: 520px; height: 520px; background: #1db954; top: -180px; left: -140px; animation: drift 20s ease-in-out infinite; }
.glow-2 { width: 460px; height: 460px; background: #0f7c41; bottom: -160px; right: -120px; animation: drift 24s ease-in-out infinite reverse; }
.glow-3 { width: 340px; height: 340px; background: #178aae; top: 40%; left: 58%; animation: drift 28s ease-in-out infinite; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(45px, -35px) scale(1.12); }
  66% { transform: translate(-35px, 28px) scale(0.94); }
}

/* ---------- shared text ---------- */
.grad-text { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-kicker { letter-spacing: 0.24em; text-transform: uppercase; font-weight: 700; font-size: 12px; color: var(--green-bright); margin-bottom: 0.7rem; }

.section-head { text-align: center; margin-bottom: 3.2rem; }
.section-title { font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; letter-spacing: -0.02em; }
.section-sub { color: var(--muted); max-width: 620px; margin: 0.9rem auto 0; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  border: none; cursor: pointer; border-radius: 999px;
  font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; letter-spacing: 0.02em;
  padding: 0.85rem 1.8rem; transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, filter 0.25s ease;
  position: relative; overflow: hidden; white-space: nowrap;
}
.btn-primary { background: var(--green-bright); color: #04120a; }
.btn-primary::after {
  content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.5) 50%, transparent 70%);
  transform: translateX(-150%); transition: transform 0.6s ease;
}
.btn-primary:hover::after { transform: translateX(150%); }
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 14px 34px rgba(29, 185, 84, 0.45); filter: brightness(1.05); }
.btn-ghost { background: rgba(255, 255, 255, 0.06); border: 1px solid var(--panel-border); color: var(--text); }
.btn-ghost:hover { border-color: var(--green); transform: translateY(-3px); }
.btn-lg { padding: 1.05rem 2.3rem; font-size: 1.05rem; }
.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.88rem; }
.btn-block { width: 100%; }
.arrow { transition: transform 0.25s ease; }
.btn:hover .arrow { transform: translateX(5px); }

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  backdrop-filter: blur(14px); background: rgba(18, 18, 18, 0.72);
  border-bottom: 1px solid transparent; transition: border-color 0.3s ease, background 0.3s ease;
}
.site-header.scrolled { border-bottom-color: var(--panel-border); background: rgba(18, 18, 18, 0.92); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 1.5rem; }

.logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 800; }
.logo-icon { color: var(--green-bright); filter: drop-shadow(0 0 12px rgba(29, 185, 84, 0.5)); animation: spin-slow 14s linear infinite; }
@keyframes spin-slow { to { transform: rotate(360deg); } }
.logo-text { letter-spacing: 0.08em; font-size: 1.02rem; }

.nav { display: flex; gap: 1.9rem; }
.nav-link { color: var(--muted); font-weight: 600; font-size: 0.95rem; position: relative; padding: 0.4rem 0; transition: color 0.25s ease; }
.nav-link::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--green-bright); transition: width 0.3s ease; border-radius: 2px;
}
.nav-link:hover, .nav-link.active { color: var(--text); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.nav-cta { display: flex; align-items: center; gap: 0.9rem; }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s ease, opacity 0.3s ease; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { padding: 150px 0 90px; min-height: 100vh; display: flex; align-items: center; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 3rem; align-items: center; }

.hero-tag {
  display: inline-flex; align-items: center; gap: 0.55rem;
  background: rgba(29, 185, 84, 0.1); border: 1px solid rgba(29, 185, 84, 0.3);
  padding: 0.45rem 1rem; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-bright);
  margin-bottom: 1.3rem;
}
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-bright); animation: blink 1.6s ease-in-out infinite; }
@keyframes blink { 0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(30, 215, 96, 0.6); } 50% { opacity: 0.6; box-shadow: 0 0 0 7px rgba(30, 215, 96, 0); } }

.hero-title { font-family: var(--font-display); font-size: clamp(2.3rem, 5.2vw, 3.7rem); font-weight: 900; line-height: 1.08; letter-spacing: -0.02em; margin-bottom: 1.3rem; }
.hero-sub { color: var(--muted); max-width: 520px; font-size: 1.1rem; margin-bottom: 2rem; }
.hero-sub strong { color: var(--green-bright); }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 2.6rem; }

.hero-stats { display: flex; gap: 2.4rem; }
.hero-stats li strong { display: block; font-family: var(--font-display); font-size: 1.7rem; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-stats li span { color: var(--muted); font-size: 0.88rem; }

.hero-visual { position: relative; height: 520px; }

.disc { border-radius: 50%; position: absolute; display: grid; place-items: center; }
.disc-big {
  width: 380px; height: 380px; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: conic-gradient(from 0deg, #1db954, #0f5c33, #1db954 40%, #1ed760 60%, #0d4a29, #1db954);
  box-shadow: 0 0 0 14px #0d0d0d, 0 0 0 16px rgba(29, 185, 84, 0.35), 0 40px 90px rgba(0, 0, 0, 0.6), inset 0 0 60px rgba(0, 0, 0, 0.5);
  animation: spin 24s linear infinite;
}
@keyframes spin { to { transform: translate(-50%, -50%) rotate(360deg); } }
.disc-inner {
  width: 150px; height: 150px; border-radius: 50%; background: #0a0a0a;
  display: grid; place-items: center; color: var(--green-bright);
  box-shadow: 0 0 40px rgba(29, 185, 84, 0.55);
}
.disc-small {
  width: 120px; height: 120px; top: 10%; right: 4%; background: #0f0f0f;
  border: 1px solid rgba(29, 185, 84, 0.4); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  z-index: 2;
}
.mini-eq { display: flex; align-items: flex-end; gap: 4px; height: 44px; }
.mini-eq i { width: 7px; border-radius: 3px; background: var(--green-bright); animation: eq 1.1s ease-in-out infinite; }
.mini-eq i:nth-child(1) { animation-delay: 0s; } .mini-eq i:nth-child(2) { animation-delay: 0.18s; }
.mini-eq i:nth-child(3) { animation-delay: 0.36s; } .mini-eq i:nth-child(4) { animation-delay: 0.12s; }
.mini-eq i:nth-child(5) { animation-delay: 0.28s; }

.eq-bars { position: absolute; bottom: 8%; left: 2%; display: flex; align-items: flex-end; gap: 6px; height: 120px; z-index: 2; }
.eq-bars i { width: 12px; border-radius: 6px; background: linear-gradient(to top, #1db954, #1ed760); box-shadow: 0 0 12px rgba(29, 185, 84, 0.45); animation: eq 1.2s ease-in-out infinite; }
.eq-bars i:nth-child(1) { animation-delay: 0s; } .eq-bars i:nth-child(2) { animation-delay: 0.15s; }
.eq-bars i:nth-child(3) { animation-delay: 0.3s; } .eq-bars i:nth-child(4) { animation-delay: 0.45s; }
.eq-bars i:nth-child(5) { animation-delay: 0.1s; } .eq-bars i:nth-child(6) { animation-delay: 0.22s; }
.eq-bars i:nth-child(7) { animation-delay: 0.38s; } .eq-bars i:nth-child(8) { animation-delay: 0.05s; }
.eq-bars i:nth-child(9) { animation-delay: 0.27s; } .eq-bars i:nth-child(10) { animation-delay: 0.42s; }
.eq-bars i:nth-child(11) { animation-delay: 0.18s; } .eq-bars i:nth-child(12) { animation-delay: 0.33s; }

@keyframes eq { 0%, 100% { height: 18%; } 50% { height: 100%; } }

.float { animation: float 6s ease-in-out infinite; }
.float-slow { animation: float 8s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }

.float-chip {
  position: absolute; display: flex; align-items: center; gap: 0.7rem;
  background: rgba(24, 24, 24, 0.85); border: 1px solid var(--panel-border); border-radius: 14px;
  padding: 0.75rem 1.1rem; backdrop-filter: blur(10px); box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45); z-index: 3;
}
.float-chip span { font-size: 1.4rem; }
.float-chip b { display: block; font-size: 0.9rem; font-family: var(--font-display); }
.float-chip small { color: var(--muted); font-size: 0.75rem; }
.chip-top { top: 22%; left: 0; }
.chip-bot { bottom: 16%; right: 6%; }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-top: 1px solid var(--panel-border); border-bottom: 1px solid var(--panel-border); background: rgba(29, 185, 84, 0.05); padding: 1.1rem 0; }
.marquee-track { display: flex; gap: 2.4rem; width: max-content; animation: scrollx 30s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.18em; white-space: nowrap; color: var(--muted); }
.marquee-track span:nth-child(even) { color: var(--green); }
@keyframes scrollx { to { transform: translateX(-50%); } }

/* ---------- plan ---------- */
.plan { padding: 90px 0; }
.plan-grid { display: grid; grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }

.plan-card {
  position: relative; border-radius: 24px; overflow: hidden;
  background: var(--bg-elev); border: 2px solid var(--green);
  box-shadow: 0 30px 70px rgba(29, 185, 84, 0.18);
  text-align: center; padding: 2.6rem 2.2rem;
}
.plan-card::before {
  content: ''; position: absolute; inset: -60% -30%; z-index: 0;
  background: radial-gradient(circle at 50% 0%, rgba(30, 215, 96, 0.22), transparent 60%);
  animation: breathe 5s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }
.plan-card > * { position: relative; z-index: 1; }

.plan-badge {
  display: inline-block; background: var(--green); color: #04120a;
  font-family: var(--font-display); font-weight: 800; font-size: 0.75rem; letter-spacing: 0.16em;
  padding: 0.35rem 1rem; border-radius: 999px; margin-bottom: 1.4rem;
}
.plan-title { font-family: var(--font-display); font-size: 1.5rem; font-weight: 800; margin-bottom: 0.4rem; }
.plan-desc { color: var(--muted); font-size: 0.97rem; margin-bottom: 1.4rem; min-height: 3.2em; }
.plan-price { font-family: var(--font-display); font-weight: 900; font-size: 3.4rem; letter-spacing: -0.03em; margin-bottom: 0.3rem; }
.plan-price small { font-size: 1.4rem; vertical-align: super; color: var(--green-bright); }
.plan-period { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.6rem; }
.plan-feats { display: grid; gap: 0.7rem; text-align: left; margin-bottom: 2rem; }
.plan-feats li { display: flex; gap: 0.7rem; align-items: flex-start; font-size: 0.98rem; }
.plan-feats li::before { content: '✓'; color: var(--green-bright); font-weight: 800; }
.plan-card .btn { width: 100%; }

/* ---------- features ---------- */
.features { padding: 90px 0; background: rgba(24, 24, 24, 0.35); }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.feat-card {
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius);
  padding: 1.9rem 1.6rem; text-align: center; transition: transform 0.35s ease, border-color 0.3s ease, background 0.3s ease, box-shadow 0.35s ease;
}
.feat-card:hover { transform: translateY(-9px); border-color: rgba(29, 185, 84, 0.5); background: rgba(255, 255, 255, 0.06); box-shadow: 0 22px 50px rgba(29, 185, 84, 0.12); }
.feat-icon { font-size: 2.1rem; display: block; margin-bottom: 0.9rem; }
.feat-card h3 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 0.5rem; }
.feat-card p { color: var(--muted); font-size: 0.93rem; }

/* ---------- how ---------- */
.how { padding: 90px 0; }
.how-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.how-step {
  background: var(--panel); border: 1px solid var(--panel-border); border-radius: var(--radius);
  padding: 2rem 1.6rem; position: relative; overflow: hidden;
  transition: transform 0.35s ease, border-color 0.3s ease;
}
.how-step:hover { transform: translateY(-7px); border-color: rgba(29, 185, 84, 0.45); }
.step-num {
  font-family: var(--font-display); font-weight: 900; font-size: 3rem; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0.85; display: block; margin-bottom: 1.1rem;
}
.how-step h3 { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 0.5rem; }
.how-step p { color: var(--muted); font-size: 0.95rem; }

/* ---------- cta banner ---------- */
.cta-banner { padding: 60px 0 90px; }
.cta-banner .container {
  background: radial-gradient(120% 140% at 50% 0%, rgba(30, 215, 96, 0.28), rgba(18, 18, 18, 0.4) 60%), var(--bg-elev);
  border: 1px solid rgba(29, 185, 84, 0.35); border-radius: 28px; padding: 3.4rem 2.5rem; text-align: center;
  position: relative; overflow: hidden;
}
.cta-banner h2 { font-family: var(--font-display); font-size: clamp(1.6rem, 3.6vw, 2.3rem); font-weight: 800; margin-bottom: 0.6rem; }
.cta-banner h2 span { color: var(--green-bright); }
.cta-banner p { color: var(--muted); margin-bottom: 1.8rem; }

/* ---------- faq ---------- */
.faq { padding: 90px 0; background: rgba(24, 24, 24, 0.35); }
.faq-list { max-width: 760px; margin-inline: auto; display: flex; flex-direction: column; gap: 1rem; }
.faq-item { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 14px; padding: 0 1.5rem; transition: border-color 0.3s ease; }
.faq-item[open] { border-color: rgba(29, 185, 84, 0.45); }
.faq-item summary {
  cursor: pointer; font-family: var(--font-display); font-weight: 600; font-size: 1.02rem;
  padding: 1.2rem 0; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.4rem; color: var(--green-bright); transition: transform 0.3s ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { color: var(--muted); padding-bottom: 1.2rem; }

/* ---------- order ---------- */
.order { padding: 90px 0 120px; }
.order-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 3.5rem; align-items: start; }
.order-copy { position: sticky; top: 110px; }
.order-points { margin-top: 1.8rem; display: grid; gap: 0.8rem; }
.order-points li { color: var(--muted); font-size: 1.02rem; }
.order-seal {
  margin-top: 2rem; display: flex; align-items: center; gap: 0.9rem;
  background: rgba(29, 185, 84, 0.08); border: 1px solid rgba(29, 185, 84, 0.25);
  border-radius: 14px; padding: 1rem 1.2rem;
}
.seal-check {
  width: 40px; height: 40px; flex: none; border-radius: 50%; display: grid; place-items: center;
  background: var(--green); color: #04120a; font-weight: 800;
  box-shadow: 0 0 0 6px rgba(29, 185, 84, 0.15);
}
.order-seal b { display: block; font-family: var(--font-display); font-size: 0.95rem; }
.order-seal small { color: var(--muted); font-size: 0.82rem; }

.order-form {
  background: var(--bg-elev); border: 1px solid var(--panel-border); border-radius: 22px;
  padding: 2.2rem; display: grid; gap: 1.4rem; box-shadow: 0 30px 70px rgba(0, 0, 0, 0.45);
}
.form-row label { display: block; font-weight: 600; margin-bottom: 0.5rem; font-size: 0.95rem; }
.form-row input[type="email"], .form-row input[type="number"] {
  width: 100%; background: rgba(18, 18, 18, 0.7); border: 1px solid var(--panel-border); border-radius: 12px;
  color: var(--text); padding: 0.85rem 1rem; font-family: var(--font-body); font-size: 1rem; outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-row input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(29, 185, 84, 0.16); }

.qty-stepper { display: flex; align-items: center; gap: 0.6rem; }
.qty-stepper input { width: 84px; text-align: center; }
.qty-btn {
  width: 46px; height: 46px; flex: none; border-radius: 12px; cursor: pointer;
  background: rgba(255, 255, 255, 0.06); border: 1px solid var(--panel-border); color: var(--text);
  font-size: 1.3rem; line-height: 1; transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.qty-btn:hover { background: rgba(29, 185, 84, 0.2); border-color: var(--green); transform: scale(1.06); }
.qty-btn:active { transform: scale(0.94); }

.form-total {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.1rem 1.2rem; background: rgba(18, 18, 18, 0.7); border-radius: 12px; border: 1px solid var(--panel-border);
}
.form-total strong { font-family: var(--font-display); font-size: 1.7rem; color: var(--green-bright); }
.form-note { text-align: center; color: var(--muted); font-size: 0.85rem; min-height: 1.4em; }

/* ---------- toast ---------- */
.toast {
  position: fixed; bottom: 30px; left: 50%; transform: translateX(-50%) translateY(90px);
  background: var(--green-bright); color: #04120a; font-family: var(--font-display); font-weight: 700;
  padding: 0.85rem 1.7rem; border-radius: 999px; z-index: 300; opacity: 0;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.4s ease;
  box-shadow: 0 16px 40px rgba(29, 185, 84, 0.4);
}
.toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--panel-border); background: rgba(18, 18, 18, 0.85); padding-top: 3rem; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.footer-brand p { color: var(--muted); margin-top: 1rem; font-size: 0.93rem; max-width: 280px; }
.footer-col h4 { font-family: var(--font-display); font-size: 0.95rem; margin-bottom: 0.9rem; }
.footer-col a { display: block; color: var(--muted); padding: 0.25rem 0; transition: color 0.25s ease; font-size: 0.93rem; }
.footer-col a:hover { color: var(--green-bright); }
.footer-bottom { border-top: 1px solid var(--panel-border); padding: 1.2rem 0; }
.footer-bottom p { color: var(--muted); font-size: 0.82rem; text-align: center; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub { margin-inline: auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-visual { display: none; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .order-wrap { grid-template-columns: 1fr; }
  .order-copy { position: static; text-align: center; }
  .order-points { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav { position: fixed; inset: 74px 0 auto 0; flex-direction: column; background: var(--bg-elev); padding: 1.5rem 2rem; gap: 1rem; transform: translateY(-120%); transition: transform 0.4s ease; border-bottom: 1px solid var(--panel-border); }
  .nav.open { transform: none; }
  .nav-cta .btn-primary { display: none; }
  .menu-toggle { display: flex; }
  .feat-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 130px; }
  .hero-stats { flex-wrap: wrap; gap: 1.4rem; }
}
