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

:root {
  --accent: #38bdf8;
  --accent-2: #c4b5fd;
  --accent-3: #f472b6;
  --glow-blue: rgba(56, 189, 248, 0.45);
  --glow-purple: rgba(196, 181, 253, 0.35);
  --glow-pink: rgba(244, 114, 182, 0.25);
  --gradient-top: #0f1a30;
  --gradient-mid: #0a1120;
  --gradient-bottom: #050812;
  --surface: rgba(56, 189, 248, 0.06);
  --surface-white: rgba(255, 255, 255, 0.96);
  --border: rgba(56, 189, 248, 0.18);
  --border-strong: rgba(196, 181, 253, 0.22);
  --text: #ffffff;
  --text-dim: rgba(255, 255, 255, 0.58);
  --text-muted: rgba(255, 255, 255, 0.36);
  --nav-h: 68px;
  --max-w: 1100px;
  --radius: 20px;
  --radius-sm: 12px;
}

html { scroll-behavior: smooth; background-color: #0f1a30; overscroll-behavior-y: none; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, var(--gradient-top) 0%, var(--gradient-mid) 42%, var(--gradient-bottom) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body.modal-open {
  overflow: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(56, 189, 248, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.65) 0%, rgba(0,0,0,0.2) 55%, transparent 100%);
}

body > * { position: relative; z-index: 1; }

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(56,189,248,0.45), rgba(196,181,253,0.35));
  border-radius: 3px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 48%, var(--accent-3) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-label {
  font-size: 12px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 46px);
  font-weight: 700; line-height: 1.15; color: var(--text);
}

.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, box-shadow 0.2s, opacity 0.2s;
  white-space: nowrap;
}
.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, #6366f1 52%, var(--accent-3) 100%);
  color: #fff;
  box-shadow: 0 8px 32px rgba(56, 189, 248, 0.28), 0 4px 20px rgba(244, 114, 182, 0.12);
}
.btn--primary:hover {
  box-shadow: 0 12px 40px rgba(56, 189, 248, 0.4), 0 6px 24px rgba(244, 114, 182, 0.18);
}

.btn--ghost {
  background: rgba(56, 189, 248, 0.1);
  color: var(--accent-2);
  border: 1px solid var(--border);
}
.btn--ghost:hover { background: rgba(56, 189, 248, 0.16); }

.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: var(--nav-h);
  background: rgba(10, 17, 32, 0.89);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 999;
  backdrop-filter: blur(16px);
}

.nav-back {
  display: flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 600;
  color: var(--text-dim); transition: color 0.2s;
}
.nav-back:hover { color: #fff; }

.nav-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border-radius: 20px;
  font-size: 13px; font-weight: 600;
  border: 1px solid var(--border-strong);
  background: rgba(56, 189, 248, 0.08);
  color: var(--accent-2); transition: all 0.2s;
}
.nav-btn:hover { background: rgba(56, 189, 248, 0.16); color: #fff; }

.hero {
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; align-items: center;
  padding: 72px 24px 48px;
  text-align: center;
}

.hero__glow {
  position: absolute; border-radius: 50%; filter: blur(90px);
  pointer-events: none; opacity: 0.32;
}
.hero__glow--center {
  width: 560px; height: 560px;
  background: radial-gradient(circle, var(--glow-blue) 0%, transparent 68%);
  top: -100px; left: 50%; transform: translateX(-50%);
}
.hero__glow--left {
  width: 320px; height: 320px;
  background: var(--glow-purple);
  top: 60px; left: -100px;
}
.hero__glow--right {
  width: 280px; height: 280px;
  background: var(--glow-pink);
  top: 140px; right: -90px;
}

.hero__icon-wrap {
  width: 120px; height: 120px; border-radius: 28px; overflow: hidden;
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(196, 181, 253, 0.25),
    0 0 48px rgba(56, 189, 248, 0.15);
  margin: 0 auto 16px;
}
.hero__icon-wrap img { width: 100%; height: 100%; object-fit: cover; }

.hero__badge {
  display: inline-block; padding: 5px 14px; border-radius: 20px;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid var(--border-strong);
  font-size: 11px; font-weight: 600;
  color: var(--accent-2);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(32px, 6vw, 62px);
  font-weight: 800; line-height: 1.08; letter-spacing: -0.02em;
  margin-bottom: 10px; max-width: 720px;
}

.hero__tagline {
  font-size: clamp(15px, 2.2vw, 19px);
  font-weight: 600;
  color: var(--accent-2);
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.hero__subtitle {
  font-size: clamp(15px, 2vw, 17px);
  color: var(--text-dim); line-height: 1.65;
  max-width: 560px; margin-bottom: 32px;
}

.hero__actions {
  display: flex; gap: 12px; flex-wrap: wrap; justify-content: center;
  margin-bottom: 40px;
}

.hero__screens {
  display: flex; align-items: flex-end; justify-content: center;
  gap: 14px; margin-top: 8px;
  padding: 0 16px;
}
.hero__screen-wrap {
  width: 132px; min-height: 220px; border-radius: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  border: 1px dashed rgba(196, 181, 253, 0.35);
  background: rgba(255, 255, 255, 0.04);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  transform: perspective(600px) rotateY(5deg) translateY(10px);
}
.hero__screen-wrap--center {
  width: 148px; min-height: 248px;
  transform: perspective(600px) rotateY(0deg) translateY(0);
  z-index: 2;
  border-color: rgba(56, 189, 248, 0.35);
  background: rgba(255, 255, 255, 0.06);
}
.hero__screen-wrap:last-child {
  transform: perspective(600px) rotateY(-5deg) translateY(10px);
}
.hero__screen-placeholder-text {
  font-size: 12px; font-weight: 600;
  color: rgba(255, 255, 255, 0.45); text-align: center; line-height: 1.4;
}

.hero__screen-image {
  width: 100%;
  height: 100%;
  border-radius: 18px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.gallery {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 64px;
}

.gallery__intro {
  text-align: center;
  margin-bottom: 26px;
}

.gallery__intro .section-title {
  margin-top: 8px;
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.gallery__item {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(196, 181, 253, 0.24);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.36);
  background: rgba(255, 255, 255, 0.03);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.gallery__item:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 42px rgba(0, 0, 0, 0.4);
}

.gallery__trigger {
  width: 100%;
  border: none;
  background: transparent;
  cursor: zoom-in;
  padding: 0;
  display: block;
}

.gallery__trigger:focus-visible {
  outline: 2px solid rgba(56, 189, 248, 0.8);
  outline-offset: -2px;
}

.gallery__image {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.gallery__meta {
  padding: 14px 14px 15px;
}

.gallery__title {
  font-size: 16px;
  font-weight: 700;
  color: #eef6ff;
  margin-bottom: 6px;
}

.gallery__text {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-dim);
}

.gallery-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.gallery-modal[aria-hidden="false"] {
  display: flex;
}

.gallery-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 8, 20, 0.86);
  backdrop-filter: blur(3px);
}

.gallery-modal__dialog {
  position: relative;
  width: min(980px, 100%);
  background: linear-gradient(180deg, rgba(16, 27, 48, 0.96), rgba(8, 14, 28, 0.98));
  border: 1px solid rgba(196, 181, 253, 0.28);
  border-radius: 18px;
  padding: 16px 16px 18px;
  box-shadow: 0 28px 72px rgba(0, 0, 0, 0.56);
}

.gallery-modal__close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(10, 17, 32, 0.78);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.gallery-modal__image {
  width: 100%;
  max-height: 66vh;
  object-fit: contain;
  border-radius: 12px;
}

.gallery-modal__title {
  margin-top: 14px;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
}

.gallery-modal__text {
  margin-top: 8px;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.78);
}

.lede {
  max-width: var(--max-w); margin: 0 auto;
  padding: 0 24px 56px;
}
.lede__card {
  background: var(--surface-white);
  color: #0f172a;
  border-radius: 24px;
  padding: 32px 28px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(255, 255, 255, 0.08);
  max-width: 720px; margin: 0 auto;
}
.lede__card p {
  font-size: 17px; line-height: 1.7;
  color: #1e293b;
}
.lede__card p strong { color: #0f172a; }

.oneline {
  max-width: 720px; margin: 0 auto 56px;
  padding: 0 24px;
  text-align: center;
}
.oneline__box {
  border-radius: 22px;
  padding: 28px 24px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.14) 0%, rgba(99, 102, 241, 0.1) 50%, rgba(244, 114, 182, 0.1) 100%);
  border: 1px solid var(--border-strong);
}
.oneline__label {
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}
.oneline__text {
  font-size: clamp(16px, 2.4vw, 19px);
  font-weight: 600; line-height: 1.55;
  color: rgba(255, 255, 255, 0.92);
}

.features { max-width: var(--max-w); margin: 0 auto; padding: 0 24px 64px; }
.features__intro { text-align: center; margin-bottom: 44px; }
.features__intro .section-title { margin-top: 8px; }

.appdesc__grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px; margin-bottom: 32px;
}
.appdesc__card {
  background: var(--surface-white);
  color: #0f172a;
  border: 1px solid rgba(15, 23, 42, 0.06);
  border-radius: 18px; padding: 22px 20px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
  transition: transform 0.25s, box-shadow 0.25s;
}
.appdesc__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.16);
}
.appdesc__card-title {
  font-size: 15px; font-weight: 700; margin-bottom: 8px;
  color: #0f172a;
}
.appdesc__card-text { font-size: 14px; color: #334155; line-height: 1.55; }

.workflow { max-width: var(--max-w); margin: 0 auto; padding: 0 24px 64px; }
.workflow__intro { text-align: center; margin-bottom: 36px; }
.workflow__intro .section-title { margin-top: 8px; }

.workflow__steps {
  display: flex; flex-direction: column; gap: 14px;
}
.workflow__step {
  display: flex; gap: 16px; align-items: flex-start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
}
.workflow__num {
  flex-shrink: 0;
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 800;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.25), rgba(196, 181, 253, 0.2));
  color: #e0f2fe;
}
.workflow__body h3 {
  font-size: 16px; font-weight: 700; margin-bottom: 6px;
}
.workflow__body p {
  font-size: 14px; color: var(--text-dim); line-height: 1.6;
}

.why {
  max-width: var(--max-w); margin: 0 auto; padding: 0 24px 64px;
}
.why__intro { text-align: center; margin-bottom: 28px; }
.why__intro .section-title { margin-top: 8px; }
.why__list {
  max-width: 640px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 12px;
}
.why__list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15px; color: var(--text-dim); line-height: 1.55;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.035);
  border-radius: 14px;
  border: 1px solid rgba(56, 189, 248, 0.1);
}
.why__list li::before {
  content: '';
  width: 7px; height: 7px; border-radius: 50%; margin-top: 6px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
}

.privacy-strip {
  max-width: 640px; margin: 0 auto 64px;
  padding: 0 24px;
  text-align: center;
}
.privacy-strip__card {
  display: inline-flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 24px 28px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
}
.privacy-strip__card p { font-size: 14px; color: var(--text-dim); line-height: 1.6; max-width: 420px; }
.privacy-strip__card a.btn--ghost { margin-top: 4px; }

.support { padding: 0 24px 72px; }
.support__inner {
  max-width: 560px; margin: 0 auto; text-align: center;
}
.support__sub {
  color: var(--text-dim); line-height: 1.65;
  margin: 16px 0 32px; font-size: 15px;
}
.form__group   { margin-bottom: 20px; text-align: left; }
.form__label   { display: block; font-size: 13px; font-weight: 600; color: var(--text-dim); margin-bottom: 8px; }
.form__input {
  width: 100%; padding: 12px 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 12px; color: #fff; font-size: 15px;
  font-family: inherit; outline: none;
  transition: border-color 0.2s;
}
.form__input:focus { border-color: rgba(56, 189, 248, 0.55); }
.form__textarea   { resize: vertical; min-height: 120px; }
.form__submit     { width: 100%; justify-content: center; }
.form__success    {
  display: none; align-items: center; gap: 10px;
  justify-content: center; margin-top: 16px;
  color: var(--accent-2); font-size: 15px; font-weight: 600;
}

.footer {
  border-top: 1px solid rgba(56, 189, 248, 0.12);
  padding: 28px 32px;
}
.footer__inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
}
.footer__brand { display: flex; flex-direction: column; gap: 4px; }
.footer__logo  {
  font-size: 16px; font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer__copy  { font-size: 12px; color: var(--text-muted); }
.footer__links { display: flex; gap: 20px; }
.footer__link  {
  font-size: 13px; color: var(--text-muted);
  transition: color 0.2s;
}
.footer__link:hover { color: var(--accent-2); }

.privacy-page {
  max-width: 720px; margin: 0 auto;
  padding: 60px 24px 80px;
}
.privacy-page h1 {
  font-size: clamp(28px, 5vw, 44px); font-weight: 800;
  margin-bottom: 8px;
}
.privacy-page .updated {
  color: var(--text-muted); font-size: 13px; margin-bottom: 36px;
}
.privacy-page p   { color: var(--text-dim); line-height: 1.75; margin-bottom: 16px; }
.privacy-page h2  {
  font-size: 20px; font-weight: 700;
  margin: 36px 0 12px; color: var(--text);
}
.privacy-page ul  { padding-left: 4px; margin-bottom: 16px; }
.privacy-page li  {
  color: var(--text-dim); line-height: 1.7;
  padding: 4px 0 4px 16px; position: relative; font-size: 15px;
}
.privacy-page li::before {
  content: ''; position: absolute; left: 0; top: 14px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent);
}
.privacy-page a   { color: var(--accent-2); text-decoration: underline; }
.privacy-page strong { color: var(--text); }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal--delay  { transition-delay: 0.12s; }

@media (max-width: 640px) {
  .hero__screens { gap: 8px; }
  .hero__screen-wrap { width: 100px; min-height: 180px; }
  .hero__screen-wrap--center { width: 112px; min-height: 198px; }
  .gallery__grid { grid-template-columns: 1fr; gap: 14px; }
  .appdesc__grid { grid-template-columns: 1fr; }
  .nav { padding: 0 16px; }
}
@media (max-width: 480px) {
  .hero { padding: 56px 16px 36px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .gallery { padding: 0 16px 52px; }
  .gallery__grid { grid-template-columns: 1fr; }
  .footer__inner { flex-direction: column; text-align: center; }
  .footer__links { justify-content: center; }
}