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

:root {
  --cyan: #00BCD4;
  --cyan-dark: #0097A7;
  --cyan-light: #e0f7fa;
  --cyan-lighter: #f0fdff;
  --text: #111827;
  --text-mid: #374151;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --white: #ffffff;
  --red: #EF4444;
  --yellow: #F59E0B;
  --green: #22C55E;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(0,188,212,.12);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cyan-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── NAV ── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -.4px;
}
.nav-logo .dot { color: var(--cyan); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-mid);
}
.nav-links a:hover { color: var(--cyan); text-decoration: none; }

/* ── HERO ── */
.hero {
  background: linear-gradient(135deg, var(--cyan-lighter) 0%, #fff 60%);
  text-align: center;
  padding: 96px 24px 80px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--cyan-light);
  color: var(--cyan-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .6px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: var(--text);
  margin-bottom: 20px;
}
.hero h1 span { color: var(--cyan); }
.hero p {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 40px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--cyan);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 12px;
  transition: background .15s, transform .1s;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--cyan-dark); text-decoration: none; color: #fff; transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 2px solid var(--cyan);
}
.btn-outline:hover { background: var(--cyan-light); color: var(--cyan-dark); transform: translateY(-1px); }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ── SECTION ── */
section { padding: 80px 24px; }
.section-inner { max-width: 1080px; margin: 0 auto; }
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}
.section-title {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -.8px;
  color: var(--text);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 48px;
}

/* ── FEATURES GRID ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow .2s, transform .2s;
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--cyan-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ── HOW IT WORKS ── */
.how-bg { background: var(--cyan-lighter); }
.steps { display: flex; flex-direction: column; gap: 0; max-width: 560px; }
.step-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  position: relative;
}
.step-row:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 19px;
  top: 44px;
  width: 2px;
  height: calc(100% + 8px);
  background: var(--border);
}
.step-num {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: var(--cyan);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.step-body { padding: 6px 0 32px; }
.step-body h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 4px; }
.step-body p { font-size: 14px; color: var(--text-muted); }

/* ── DOWNLOAD ── */
.download-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: linear-gradient(135deg, var(--cyan) 0%, #00838f 100%);
  border-radius: 24px;
  padding: 64px 32px;
  color: #fff;
}
.download-wrap h2 {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 800;
  letter-spacing: -.6px;
  margin-bottom: 14px;
}
.download-wrap p { font-size: 17px; opacity: .85; max-width: 480px; margin-bottom: 36px; }
.btn-white {
  background: #fff;
  color: var(--cyan-dark);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .1s, box-shadow .15s;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.15); text-decoration: none; color: var(--cyan-dark); }

/* ── FOOTER ── */
footer {
  background: #f9fafb;
  border-top: 1px solid var(--border);
  padding: 40px 24px;
}
.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-left { font-size: 14px; color: var(--text-muted); }
.footer-left strong { color: var(--text); }
.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
}
.footer-links a { font-size: 13px; color: var(--text-muted); }
.footer-links a:hover { color: var(--cyan); text-decoration: none; }

/* ── DELETION PAGE ── */
.deletion-hero {
  background: var(--cyan-lighter);
  text-align: center;
  padding: 72px 24px 56px;
}
.deletion-hero h1 {
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 800;
  letter-spacing: -.8px;
  color: var(--text);
  margin-bottom: 14px;
}
.deletion-hero p { font-size: 17px; color: var(--text-muted); max-width: 500px; margin: 0 auto; }

.deletion-content { max-width: 720px; margin: 0 auto; padding: 56px 24px 80px; }
.deletion-content h2 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  margin: 40px 0 14px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}
.deletion-content h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.deletion-content p, .deletion-content li {
  font-size: 16px;
  color: var(--text-mid);
  line-height: 1.75;
}
.deletion-content ul { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }
.deletion-content .highlight-box {
  background: #FEF3C7;
  border-left: 4px solid var(--yellow);
  border-radius: 4px;
  padding: 14px 18px;
  margin-top: 12px;
  font-size: 15px;
  color: #92400E;
}
.step-block {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #f9fafb;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 10px;
}
.step-block .num {
  min-width: 28px;
  height: 28px;
  background: var(--cyan);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  margin-top: 1px;
}
.step-block .text strong { display: block; font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 2px; }
.step-block .text span { font-size: 14px; color: var(--text-muted); }

.email-card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--cyan-light);
  border-radius: 12px;
  padding: 14px 20px;
  margin-top: 10px;
}
.email-card a { font-size: 16px; font-weight: 700; color: var(--cyan-dark); }
.email-card .icon { font-size: 20px; }

.tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .4px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 20px;
  margin-bottom: 20px;
}
.tag-red { background: #fee2e2; color: #b91c1c; }
.tag-cyan { background: var(--cyan-light); color: var(--cyan-dark); }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .nav-links { display: none; }
  .hero { padding: 64px 20px 56px; }
  section { padding: 56px 20px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .download-wrap { padding: 48px 20px; }
}