/* ============ VIPER CLIENT — black & white cosmic theme ============ */

:root {
  --bg: #000000;
  --white: #ffffff;
  --dim: rgba(255, 255, 255, 0.65);
  --faint: rgba(255, 255, 255, 0.38);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.28);
  --glass: rgba(255, 255, 255, 0.04);
  --glass-hover: rgba(255, 255, 255, 0.08);
  --font-display: "Orbitron", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

::selection { background: #fff; color: #000; }

svg { width: 1.1em; height: 1.1em; vertical-align: -0.18em; }

/* ---------- background layers ---------- */

#vortex-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: #000;
}

.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 120% 90% at 50% 10%, transparent 40%, rgba(0, 0, 0, 0.55) 100%),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.35), transparent 20%, transparent 80%, rgba(0, 0, 0, 0.75));
}

/* ---------- nav ---------- */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 0.9rem clamp(1.5rem, 5vw, 4rem);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent);
  backdrop-filter: blur(6px);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--white);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.14em;
}

.logo-img {
  width: 38px;
  height: 38px;
  object-fit: contain;
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.35));
}

.logo-sub { color: var(--faint); font-weight: 500; }

.nav-links {
  display: flex;
  gap: 1.6rem;
  margin-left: auto;
}

.nav-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--white); text-shadow: 0 0 12px rgba(255, 255, 255, 0.6); }

.burger { display: none; }

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.9rem;
  border-radius: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--line-strong);
  transition: all 0.25s ease;
  white-space: nowrap;
  color: var(--white);
  background: none;
}

.btn svg { width: 1.05rem; height: 1.05rem; }

.btn-primary {
  background: var(--white);
  color: #000;
  border-color: var(--white);
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.25), inset 0 0 12px rgba(0, 0, 0, 0.05);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 45px rgba(255, 255, 255, 0.55), 0 0 90px rgba(255, 255, 255, 0.2);
}

.btn-ghost {
  background: var(--glass);
  color: var(--white);
}

.btn-ghost:hover {
  background: var(--glass-hover);
  border-color: var(--white);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.15);
}

.btn-small { padding: 0.55rem 1.2rem; font-size: 0.8rem; }

.nav-cta {
  margin-left: 0.5rem;
  background: var(--white);
  color: #000;
  border-color: var(--white);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-big { padding: 1.1rem 2.4rem; font-size: 1.05rem; }

/* ---------- hero ---------- */

main { position: relative; z-index: 5; }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 7rem 1.5rem 4rem;
  gap: 1.5rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(ellipse 62% 58% at 50% 52%, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.38) 55%, transparent 100%);
}

.hero-logo {
  width: clamp(90px, 12vw, 150px);
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.45));
  margin-bottom: 0.4rem;
  animation: heroGlow 4s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  from { filter: drop-shadow(0 0 18px rgba(255, 255, 255, 0.3)); }
  to { filter: drop-shadow(0 0 42px rgba(255, 255, 255, 0.65)); }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  color: var(--white);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 9vw, 6.5rem);
  letter-spacing: 0.06em;
  line-height: 1.05;
  text-shadow: 0 0 60px rgba(255, 255, 255, 0.35);
}

.outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--white);
  text-shadow: none;
}

.hero-sub {
  max-width: 620px;
  color: var(--dim);
  font-size: clamp(0.98rem, 2vw, 1.15rem);
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

.hero-stats {
  display: flex;
  gap: clamp(1.5rem, 5vw, 4rem);
  margin-top: 2.2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.stat { display: flex; flex-direction: column; align-items: center; gap: 0.15rem; }

.stat-value { display: inline-flex; align-items: baseline; }

.stat-num, .stat-plus {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  display: inline;
}

.stat-label {
  color: var(--faint);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.scroll-hint {
  margin-top: 2.5rem;
  color: var(--faint);
  animation: float 2s ease-in-out infinite;
}

.scroll-hint svg { width: 1.4rem; height: 1.4rem; }

@keyframes float {
  0%, 100% { transform: translateY(0); opacity: 0.4; }
  50% { transform: translateY(8px); opacity: 1; }
}

/* ---------- sections ---------- */

.section {
  position: relative;
  padding: clamp(4rem, 10vw, 8rem) clamp(1.5rem, 6vw, 5rem);
  max-width: 1300px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 4.5vw, 2.8rem);
  letter-spacing: 0.08em;
  margin-bottom: 0.6rem;
}

.section-title span { color: var(--faint); font-weight: 500; }

.section-sub { color: var(--dim); margin-bottom: 3rem; }

/* ---------- feature cards ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.2rem;
}

.card {
  padding: 2rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  background: var(--glass-hover);
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.6), 0 0 35px rgba(255, 255, 255, 0.08);
}

.card-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  margin-bottom: 1.2rem;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
  color: var(--white);
}

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

.card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.7rem;
}

.card p { color: var(--dim); font-size: 0.92rem; line-height: 1.65; }

/* ---------- pricing ---------- */

.pricing {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1.2rem;
  align-items: stretch;
}

.price-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 2.2rem 1.6rem 1.8rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  text-align: center;
  transition: all 0.3s ease;
}

.price-card:hover {
  transform: translateY(-6px);
  border-color: var(--line-strong);
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(255, 255, 255, 0.1);
}

.price-card.popular, .price-card.max {
  border-color: rgba(255, 255, 255, 0.45);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 45px rgba(255, 255, 255, 0.08);
}

.price-tag {
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.2rem 0.9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: #000;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--white);
  white-space: nowrap;
}

.price-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.9rem;
}

.price-value {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  text-shadow: 0 0 25px rgba(255, 255, 255, 0.3);
}

.price-alt { color: var(--faint); font-size: 0.82rem; margin: 0.4rem 0 1.4rem; }

.price-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 1.6rem;
  flex-grow: 1;
}

.price-list li { color: var(--dim); font-size: 0.86rem; }

.price-list li::before { content: "— "; color: var(--faint); }

/* ---------- launcher / account ---------- */

.download { text-align: center; }

.dl-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  padding: 2.4rem 2.6rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  box-shadow: 0 0 60px rgba(255, 255, 255, 0.05);
  text-align: left;
}

.dl-version {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 3.5vw, 2rem);
  letter-spacing: 0.08em;
}

.dl-meta { color: var(--faint); margin-top: 0.5rem; font-size: 0.88rem; letter-spacing: 0.04em; }

.account { margin-top: 3rem; }

.account-card {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--glass);
  backdrop-filter: blur(10px);
  padding: 2.2rem 2.4rem;
  text-align: left;
}

.acc-guest, .acc-user { display: flex; flex-direction: column; gap: 1.4rem; }

.acc-guest { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 1.6rem; }

.acc-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.acc-icon svg { width: 26px; height: 26px; }

.acc-text { flex: 1; min-width: 220px; }

.acc-text h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.4rem;
}

.acc-text p { color: var(--dim); font-size: 0.92rem; }

.acc-actions { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.acc-head { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }

.acc-avatar {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.08);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.3rem;
  box-shadow: 0 0 25px rgba(255, 255, 255, 0.15);
}

.acc-head h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

.acc-email { display: block; color: var(--faint); font-size: 0.82rem; letter-spacing: 0.03em; }

.acc-logout { margin-left: auto; }

.acc-badge {
  display: inline-block;
  padding: 0.25rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--line);
  color: var(--dim);
}

.acc-badge.ok {
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.12);
}

.acc-badge.off { color: var(--faint); }

.acc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.acc-cell {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.2rem;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.acc-label { color: var(--faint); font-size: 0.72rem; letter-spacing: 0.16em; text-transform: uppercase; }
.acc-value { font-family: var(--font-display); font-weight: 700; font-size: 1rem; letter-spacing: 0.05em; }

.acc-value.hwid { font-size: 0.82rem; letter-spacing: 0.12em; color: var(--white); }

.acc-hw { color: var(--faint); font-size: 0.75rem; letter-spacing: 0.03em; }

.acc-keyrow { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.key-input {
  flex: 1;
  min-width: 240px;
  padding: 0.85rem 1.2rem;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.4);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.key-input:focus {
  border-color: var(--white);
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.key-input::placeholder { color: var(--faint); letter-spacing: 0.12em; }

.acc-msg { font-size: 0.88rem; min-height: 1.2em; }
.acc-msg.ok { color: var(--white); text-shadow: 0 0 12px rgba(255, 255, 255, 0.5); }
.acc-msg.err { color: var(--faint); }

.acc-dl { align-self: flex-start; }

/* ---------- faq ---------- */

.faq-list { display: flex; flex-direction: column; gap: 0.9rem; max-width: 780px; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--glass);
  padding: 1.2rem 1.5rem;
  transition: border-color 0.25s;
}

.faq-item[open] { border-color: var(--line-strong); background: var(--glass-hover); }

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.98rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after { content: "+"; color: var(--faint); font-size: 1.2rem; }
.faq-item[open] summary::after { content: "–"; }

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item p { color: var(--dim); margin-top: 0.8rem; font-size: 0.92rem; line-height: 1.65; }

/* ---------- footer ---------- */

.footer {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 2.5rem clamp(1.5rem, 6vw, 5rem);
  border-top: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.12em;
}

.footer-logo {
  width: 30px;
  height: 30px;
  object-fit: contain;
  mix-blend-mode: screen;
}

.footer-links { display: flex; gap: 1.5rem; }

.footer-links a {
  color: var(--dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

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

.footer-note { color: var(--faint); font-size: 0.78rem; width: 100%; }

/* ---------- modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.modal-overlay[hidden] { display: none; }

.modal-overlay.show { opacity: 1; }

.modal {
  position: relative;
  width: min(420px, 100%);
  padding: 2.4rem 2.2rem 2.2rem;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: rgba(5, 5, 5, 0.92);
  box-shadow: 0 0 80px rgba(255, 255, 255, 0.08);
  transform: translateY(28px) scale(0.96);
  opacity: 0;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
  will-change: transform, opacity;
}

.modal-overlay.show .modal { transform: none; opacity: 1; }

.modal-close {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--faint);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--white); }

.modal-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.25rem;
}

.modal-tab {
  flex: 1;
  padding: 0.55rem;
  background: none;
  border: none;
  border-radius: 8px;
  color: var(--dim);
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.2s;
}

.modal-tab.active { background: var(--white); color: #000; font-weight: 700; }

/* ---------- captcha ---------- */

.captcha-block { display: flex; flex-direction: column; gap: 0.4rem; }

.captcha-row { display: flex; align-items: stretch; gap: 0.6rem; }

#captcha-img {
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: #050505;
  cursor: pointer;
  flex-shrink: 0;
  height: 52px;
  width: 170px;
  object-fit: cover;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#captcha-img:hover { border-color: var(--white); box-shadow: 0 0 18px rgba(255, 255, 255, 0.15); }

.captcha-refresh {
  display: grid;
  place-items: center;
  width: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--glass);
  color: var(--dim);
  cursor: pointer;
  transition: all 0.25s;
}

.captcha-refresh:hover {
  color: var(--white);
  border-color: var(--white);
  transform: rotate(90deg);
}

.captcha-refresh svg { width: 18px; height: 18px; }

.captcha-input {
  flex: 1;
  min-width: 0;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.4);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.captcha-input:focus { border-color: var(--white); box-shadow: 0 0 18px rgba(255, 255, 255, 0.12); }

.captcha-input::placeholder { color: var(--faint); letter-spacing: 0.06em; text-transform: none; }

.captcha-hint { color: var(--faint); font-size: 0.75rem; letter-spacing: 0.03em; }

.modal-form { display: flex; flex-direction: column; gap: 1rem; }

.modal-form[hidden] { display: none; }

.field { display: flex; flex-direction: column; gap: 0.4rem; }

.field span { color: var(--faint); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; }

.field input {
  padding: 0.8rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(0, 0, 0, 0.4);
  color: var(--white);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.field input:focus { border-color: var(--white); box-shadow: 0 0 18px rgba(255, 255, 255, 0.12); }

.modal-msg { min-height: 1.2em; font-size: 0.85rem; }
.modal-msg.ok { color: var(--white); text-shadow: 0 0 12px rgba(255, 255, 255, 0.5); }
.modal-msg.err { color: var(--faint); }

.modal-buy h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-bottom: 0.8rem;
}

.modal-buy p { color: var(--dim); font-size: 0.92rem; line-height: 1.65; margin-bottom: 1.4rem; }

.modal-buy-links { display: flex; gap: 0.8rem; }

.modal-buy[hidden] { display: none; }

/* ---------- reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(34px) scale(0.985);
  transition: opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1), transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.reveal.visible { opacity: 1; transform: none; }

/* ---------- hero entrance ---------- */

@keyframes heroIn {
  from { opacity: 0; transform: translateY(30px); filter: blur(6px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}

.hero > * {
  animation: heroIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.hero > *:nth-child(1) { animation-delay: 0.05s; }
.hero > *:nth-child(2) { animation-delay: 0.15s; }
.hero > *:nth-child(3) { animation-delay: 0.25s; }
.hero > *:nth-child(4) { animation-delay: 0.35s; }
.hero > *:nth-child(5) { animation-delay: 0.45s; }
.hero > *:nth-child(6) { animation-delay: 0.55s; }
.hero > *:nth-child(7) { animation-delay: 0.65s; }

/* ---------- faq smooth open ---------- */

@keyframes faqIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

.faq-item[open] p { animation: faqIn 0.4s cubic-bezier(0.22, 1, 0.36, 1); }

.faq-item summary span,
.faq-item summary { transition: color 0.25s; }

.faq-item summary:hover { color: var(--white); }

/* ---------- mobile ---------- */

@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    background: none;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    width: 42px;
    height: 42px;
    cursor: pointer;
  }
  .burger span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
  }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(0, 0, 0, 0.92);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
  }
  .nav.open .nav-links a { padding: 1rem 2rem; border-top: 1px solid var(--line); }
  .dl-box { text-align: center; justify-content: center; }
  .acc-guest { flex-direction: column; text-align: center; }
  .acc-logout { margin-left: 0; }
  .acc-dl { align-self: center; }
}