/* ─── RESET & BASE ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent: #5B66F2;
  --accent-2: #8C5CF2;
  --gradient-top: #1A2457;
  --gradient-bottom: #060918;
  --surface: rgba(255,255,255,0.07);
  --border: rgba(255,255,255,0.10);
  --text: #ffffff;
  --text-dim: rgba(255,255,255,0.55);
  --text-muted: rgba(255,255,255,0.35);
  --nav-h: 72px;
  --max-w: 1140px;
  --radius: 20px;
  --radius-sm: 12px;
}

html { scroll-behavior: smooth; background-color: #1A2457; overscroll-behavior-y: none; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--gradient-top) 0%, var(--gradient-bottom) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(91,102,242,0.4); border-radius: 3px; }

/* ─── UTILITIES ──────────────────────────────────────────────── */
.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 14px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: #fff;
  box-shadow: 0 8px 32px rgba(91,102,242,0.35);
}
.btn--primary:hover { box-shadow: 0 12px 40px rgba(91,102,242,0.50); }

.btn--ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn--ghost:hover { background: rgba(255,255,255,0.12); }

/* ─── NAV ────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 100;
  transition: background 0.3s ease, backdrop-filter 0.3s ease;
}
.nav.scrolled {
  background: rgba(6,9,24,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav__logo {
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav__logo-icon {
  color: var(--accent);
  font-size: 18px;
}

.nav__menu-btn {
  width: 44px; height: 44px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  backdrop-filter: blur(10px);
  transition: background 0.2s;
}
.nav__menu-btn:hover { background: rgba(255,255,255,0.12); }
.nav__menu-btn span {
  display: block;
  width: 18px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav__menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__menu-btn.open span:nth-child(2) { opacity: 0; }
.nav__menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── OVERLAY ────────────────────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(6,9,24,0.7);
  backdrop-filter: blur(4px);
  z-index: 150;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.overlay.active { opacity: 1; pointer-events: all; }

/* ─── SIDE MENU ──────────────────────────────────────────────── */
.side-menu {
  position: fixed;
  top: 0; right: 0;
  width: min(320px, 85vw);
  height: 100%;
  background: rgba(14,18,58,0.97);
  backdrop-filter: blur(30px);
  border-left: 1px solid var(--border);
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  display: flex;
  flex-direction: column;
}
.side-menu.open { transform: translateX(0); }

.side-menu__close {
  position: absolute;
  top: 20px; right: 20px;
  width: 36px; height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.side-menu__close:hover { background: rgba(255,255,255,0.12); }

.side-menu__content {
  padding: 80px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  height: 100%;
}

.side-menu__app {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.side-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-menu__link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  transition: background 0.2s, transform 0.2s, border-color 0.2s;
}
.side-menu__link:hover {
  background: rgba(91,102,242,0.15);
  border-color: rgba(91,102,242,0.4);
  transform: translateX(4px);
}
.side-menu__link svg { color: var(--accent); flex-shrink: 0; }

.side-menu__badge {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-start;
}
.side-menu__badge span {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.side-menu__appstore { height: 40px; width: auto; opacity: 0.85; }

/* ─── HERO ────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  padding: calc(var(--nav-h) + 60px) 60px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.hero__glow {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.hero__glow--left {
  background: radial-gradient(circle, rgba(91,102,242,0.18) 0%, transparent 70%);
  top: -100px; left: -200px;
}
.hero__glow--right {
  background: radial-gradient(circle, rgba(140,92,242,0.14) 0%, transparent 70%);
  bottom: -100px; right: -200px;
}

.hero__content {
  flex: 1;
  max-width: 560px;
  position: relative;
  z-index: 1;
}

.hero__badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(91,102,242,0.15);
  border: 1px solid rgba(91,102,242,0.35);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero__title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__mockup {
  flex: 0 0 auto;
  width: min(420px, 40vw);
  position: relative;
  z-index: 1;
}
.hero__img {
  width: 100%;
  border-radius: 28px;
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.6));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

/* ─── FEATURES ───────────────────────────────────────────────── */
.features {
  padding: 120px 60px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.features__intro {
  text-align: center;
  margin-bottom: 100px;
}
.features__intro .section-title { margin-top: 0; }

.feature {
  display: flex;
  align-items: center;
  gap: 80px;
  margin-bottom: 120px;
}
.feature:last-child { margin-bottom: 0; }

.feature--left { flex-direction: row; }
.feature--right { flex-direction: row-reverse; }

.feature__text { flex: 1; }

.feature__num {
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
  color: rgba(91,102,242,0.12);
  letter-spacing: -0.04em;
  margin-bottom: -16px;
}

.feature__title {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.feature__desc {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.feature__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature__list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-dim);
}
.feature__list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.feature__shot {
  flex: 0 0 auto;
  width: min(280px, 35vw);
}
.feature__shot-wrap {
  position: relative;
  border-radius: 44px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.08);
}
.feature__shot-wrap img {
  width: 100%;
  display: block;
}
.feature__shot-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 44px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.10);
  pointer-events: none;
}

/* ─── ABOUT ───────────────────────────────────────────────────── */
.about {
  padding: 80px 60px 120px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.about__card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 32px;
  padding: clamp(40px, 6vw, 80px);
  text-align: center;
  overflow: hidden;
  backdrop-filter: blur(20px);
}

.about__glow {
  position: absolute;
  top: -80px; left: 50%;
  transform: translateX(-50%);
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(91,102,242,0.20) 0%, transparent 70%);
  pointer-events: none;
}

.about__icon {
  font-size: 48px;
  color: var(--accent);
  margin-bottom: 24px;
  display: block;
}

.about__title {
  font-size: clamp(24px, 3.5vw, 42px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.about__text {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 640px;
  margin: 0 auto 48px;
}

.about__stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.about__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.about__stat-num {
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about__stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.about__cta { margin: 0 auto; }

/* ─── APP STORE DESCRIPTION ──────────────────────────────────── */
.appdesc {
  padding: 60px 60px 100px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.appdesc__head {
  text-align: center;
  margin-bottom: 60px;
}
.appdesc__head .section-title { margin-bottom: 20px; }

.appdesc__lead {
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 620px;
  margin: 0 auto;
}

.appdesc__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.appdesc__card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 28px 24px;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.appdesc__card:hover {
  transform: translateY(-4px);
  border-color: rgba(91,102,242,0.35);
  box-shadow: 0 16px 40px rgba(0,0,0,0.3);
}

.appdesc__icon {
  width: 44px; height: 44px;
  background: rgba(91,102,242,0.12);
  border: 1px solid rgba(91,102,242,0.25);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 16px;
}

.appdesc__card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.appdesc__card-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.appdesc__premium {
  background: linear-gradient(135deg, rgba(91,102,242,0.10) 0%, rgba(140,92,242,0.10) 100%);
  border: 1px solid rgba(91,102,242,0.25);
  border-radius: 24px;
  padding: 44px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.appdesc__premium::before {
  content: '';
  position: absolute;
  top: -60px; left: 50%; transform: translateX(-50%);
  width: 400px; height: 200px;
  background: radial-gradient(ellipse, rgba(91,102,242,0.18) 0%, transparent 70%);
  pointer-events: none;
}

.appdesc__premium-badge {
  display: inline-block;
  padding: 5px 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}

.appdesc__premium-title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  margin-bottom: 32px;
  letter-spacing: -0.01em;
}

.appdesc__premium-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  max-width: 680px;
  margin: 0 auto 28px;
  text-align: left;
}

.appdesc__feat {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 10px;
  padding: 12px 14px;
}
.appdesc__feat svg { color: var(--accent); flex-shrink: 0; }

.appdesc__free {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ─── SUPPORT ─────────────────────────────────────────────────── */
.support {
  padding: 80px 60px 120px;
  max-width: 720px;
  margin: 0 auto;
}

.support__inner { }

.support .section-title { margin-bottom: 14px; }

.support__sub {
  font-size: 16px;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 40px;
}

.support__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.form__input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 15px;
  padding: 14px 18px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form__input::placeholder { color: var(--text-muted); }
.form__input:focus {
  border-color: rgba(91,102,242,0.6);
  box-shadow: 0 0 0 3px rgba(91,102,242,0.12);
}

.form__textarea { resize: vertical; min-height: 140px; }

.form__submit { width: 100%; justify-content: center; padding: 16px; font-size: 16px; }

.form__success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 24px;
  background: rgba(91,102,242,0.12);
  border: 1px solid rgba(91,102,242,0.35);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--accent);
  animation: fadeInUp 0.4s ease;
}
.form__success.show { display: flex; }
.form__success svg { color: var(--accent); flex-shrink: 0; }

/* ─── FOOTER ──────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 60px;
}

.footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer__logo {
  font-size: 16px;
  font-weight: 700;
  color: var(--accent);
}
.footer__copy {
  font-size: 12px;
  color: var(--text-muted);
}

.footer__links {
  display: flex;
  gap: 24px;
}
.footer__link {
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.2s;
}
.footer__link:hover { color: var(--text); }

/* ─── REVEAL ANIMATION ────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal--delay { transition-delay: 0.18s; }
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── PRIVACY PAGE ────────────────────────────────────────────── */
.privacy-page {
  padding: calc(var(--nav-h) + 60px) 60px 100px;
  max-width: 800px;
  margin: 0 auto;
}

.privacy-page h1 {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.privacy-page .updated {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 48px;
}

.privacy-page h2 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text);
}

.privacy-page p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.privacy-page ul {
  list-style: disc;
  padding-left: 24px;
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.privacy-page ul li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

.privacy-page a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(91,102,242,0.4);
}
.privacy-page a:hover { color: var(--text); }

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .appdesc { padding: 40px 32px 80px; }
  .appdesc__grid { grid-template-columns: 1fr 1fr; }
  .appdesc__premium { padding: 32px 24px; }
  .appdesc__premium-grid { grid-template-columns: 1fr 1fr; }

  .hero {
    flex-direction: column;
    text-align: center;
    padding: calc(var(--nav-h) + 40px) 32px 60px;
    gap: 40px;
  }
  .hero__content { max-width: 100%; }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__mockup { width: min(300px, 70vw); }

  .features { padding: 80px 32px; }
  .features__intro { margin-bottom: 60px; }

  .feature {
    flex-direction: column !important;
    gap: 40px;
    margin-bottom: 72px;
    text-align: center;
  }
  .feature__shot { width: min(260px, 60vw); margin: 0 auto; }
  .feature__list { align-items: center; }
  .feature__list li { justify-content: center; }
  .feature__num { font-size: 52px; margin-bottom: -10px; }

  .about { padding: 40px 32px 80px; }
  .about__stats { gap: 40px; }

  .support { padding: 40px 32px 80px; }

  .nav { padding: 0 20px; }
  .footer { padding: 24px 32px; }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 16px; }

  .privacy-page { padding: calc(var(--nav-h) + 32px) 32px 80px; }
}

@media (max-width: 480px) {
  .appdesc { padding: 24px 20px 60px; }
  .appdesc__grid { grid-template-columns: 1fr; }
  .appdesc__premium-grid { grid-template-columns: 1fr; }
  .appdesc__premium { padding: 28px 20px; }

  .hero { padding: calc(var(--nav-h) + 24px) 20px 40px; gap: 32px; }
  .features { padding: 60px 20px; }
  .about { padding: 24px 20px 60px; }
  .about__card { padding: 32px 24px; border-radius: 24px; }
  .about__stats { gap: 28px; }
  .support { padding: 24px 20px 60px; }
  .footer { padding: 20px; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; }
  .btn { padding: 13px 22px; font-size: 14px; }
  .privacy-page { padding: calc(var(--nav-h) + 20px) 20px 60px; }
}