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

body {
  font-family: Arial, Helvetica, sans-serif;
  color: #18181b;
  background: #fafafa;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

.navbar {
  height: 68px;
  padding: 0 6%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: #000;
  color: #fff;
  border-radius: 8px;
  display: grid;
  place-items: center;
}

.navbar nav {
  display: flex;
  gap: 35px;
  font-weight: 600;
  color: #555;
  font-size: 14px;
}

.nav-btn {
  background: #000;
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
}

.hero {
  min-height: 680px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 40px;
  padding: 70px 6%;
  background: #fafafa;
}

.badge {
  display: inline-block;
  border: 1px solid #ddd;
  background: #fff;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  margin-bottom: 28px;
  font-size: 14px;
}

.hero h1 {
  font-size: 72px;
  line-height: 0.95;
  letter-spacing: -3px;
}

.hero h2 {
  font-size: 64px;
  line-height: 1;
  color: #a1a1aa;
  letter-spacing: -3px;
  margin-bottom: 25px;
}

.hero p {
  max-width: 600px;
  font-size: 20px;
  color: #374151;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  gap: 15px;
  margin-bottom: 35px;
}

.btn {
  padding: 17px 32px;
  border-radius: 999px;
  font-weight: 800;
  display: inline-block;
}

.btn.black {
  background: #000;
  color: #fff;
}

.btn.white {
  background: #fff;
  border: 1px solid #ddd;
  color: #000;
}

.checks {
  display: flex;
  gap: 28px;
  color: #4b5563;
  font-size: 14px;
}

.checks span {
  color: #22c55e;
  font-weight: 700;
}

.phone {
  width: 320px;
  height: 650px;
  background: #fafafa;
  border: 12px solid #1c1c1f;
  border-radius: 48px;
  padding: 70px 18px 20px;
  margin: auto;
  box-shadow: 0 25px 60px rgba(0,0,0,0.12);
  position: relative;
}

.notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 112px;
  height: 32px;
  background: #1c1c1f;
  border-radius: 999px;
}

.phone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
}

.phone-header h3 {
  font-size: 18px;
}

.phone-header p {
  font-size: 13px;
  color: #4b5563;
  margin: 0;
}

.task-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  padding: 16px;
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.task-card strong {
  margin-left: auto;
  color: #16a34a;
}

.task-card h4 {
  font-size: 14px;
}

.task-card p {
  font-size: 12px;
  margin: 0;
}

.task-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.pink { background: #ffe4ec; color: #ff2d55; }
.blue { background: #dbeafe; color: #2563eb; }
.green { background: #dcfce7; color: #16a34a; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 55px 8%;
  background: #fff;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
  text-align: center;
}

.stats div:not(:last-child) {
  border-right: 1px solid #eee;
}

.stats h2 {
  font-size: 36px;
}

.stats p {
  color: #64748b;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
}

.section {
  padding: 90px 6%;
  text-align: center;
}

.section h2 {
  font-size: 38px;
  letter-spacing: -1px;
}

.section-subtitle {
  max-width: 680px;
  margin: 12px auto 55px;
  color: #374151;
  font-size: 18px;
}

.steps,
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  text-align: left;
}

.step-card,
.feature-card,
.review-card {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 22px;
  padding: 34px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.04);
}

.step-card {
  position: relative;
  min-height: 245px;
}

.number {
  position: absolute;
  top: -16px;
  left: -16px;
  background: #000;
  color: #fff;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
}

.icon-box {
  width: 62px;
  height: 62px;
  background: #fafafa;
  border: 1px solid #eee;
  border-radius: 16px;
  display: grid;
  place-items: center;
  margin-bottom: 25px;
  font-size: 24px;
}

.step-card h3,
.feature-card h3 {
  margin-bottom: 12px;
  font-size: 20px;
}

.step-card p,
.feature-card p,
.review-card p {
  color: #374151;
}

.task-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}

.feature-card {
  position: relative;
  min-height: 170px;
}

.feature-card span {
  float: right;
  border: 1px solid #ddd;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  background: #fff;
}

.dark-section {
  background: #19191c;
  color: #fff;
  padding: 95px 6%;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
}

.dark-text h2 {
  font-size: 38px;
  line-height: 1.1;
  margin-bottom: 25px;
}

.dark-text h2 span {
  color: #a1a1aa;
}

.dark-text p {
  max-width: 590px;
  color: #d4d4d8;
  font-size: 18px;
  margin-bottom: 30px;
}

.ios-badge {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 999px;
  background: #303033;
  border: 1px solid #555;
  font-weight: 700;
}

.dark-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.dark-grid div {
  background: linear-gradient(145deg, #27272a, #202023);
  border: 1px solid #3f3f46;
  border-radius: 22px;
  padding: 34px;
  min-height: 190px;
}

.dark-grid h3 {
  margin-bottom: 12px;
}

.dark-grid p {
  color: #a1a1aa;
}

.dashboard-section {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 65px;
  align-items: center;
  padding: 100px 7%;
  background: #fff;
}

.dashboard-card {
  background: #fff;
  border-radius: 32px;
  padding: 32px;
  box-shadow: 0 18px 45px rgba(0,0,0,0.1);
  position: relative;
}

.dashboard-card > span {
  position: absolute;
  top: 32px;
  right: 32px;
  background: #dcfce7;
  color: #16a34a;
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
}

.dashboard-card h2 {
  font-size: 38px;
}

.chart {
  height: 180px;
  display: flex;
  align-items: flex-end;
  gap: 14px;
  margin-top: 35px;
}

.chart div {
  flex: 1;
  background: #e4e4e7;
  border-radius: 5px 5px 0 0;
}

.chart .black-bar {
  background: #000;
}

.days {
  display: flex;
  justify-content: space-between;
  color: #71717a;
  margin-top: 10px;
}

.dashboard-card hr {
  border: none;
  border-top: 1px solid #eee;
  margin: 30px 0;
}

.dash-bottom {
  display: flex;
  gap: 70px;
}

.dash-bottom p,
.dashboard-card p {
  color: #64748b;
  font-size: 13px;
}

.dashboard-text h2 {
  font-size: 38px;
  line-height: 1.1;
  margin-bottom: 25px;
}

.dashboard-text p {
  font-size: 18px;
  color: #374151;
  margin-bottom: 28px;
}

.dashboard-text ul {
  list-style: none;
}

.dashboard-text li {
  margin-bottom: 16px;
  font-weight: 700;
}

.dashboard-text li::before {
  content: "→";
  background: #eee;
  border-radius: 50%;
  padding: 5px 8px;
  margin-right: 12px;
}

.stars {
  color: #facc15;
  font-size: 20px;
  margin-bottom: 24px;
}

.review-card p {
  margin-bottom: 28px;
}

.review-card h4 {
  margin-bottom: 4px;
}

.review-card small {
  color: #64748b;
}

.faq-box {
  max-width: 720px;
  margin: auto;
  text-align: left;
}

details {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 16px;
  padding: 22px 25px;
  margin-bottom: 16px;
}

summary {
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

details p {
  margin-top: 18px;
  color: #374151;
}

.cta {
  width: 60%;
  margin: 40px auto 95px;
  background: linear-gradient(145deg, #252529, #19191c);
  color: #fff;
  text-align: center;
  padding: 55px 40px;
  border-radius: 36px;
  box-shadow: 0 25px 60px rgba(0,0,0,0.2);
}

.cta h2 {
  font-size: 46px;
  margin-bottom: 14px;
}

.cta p {
  color: #d4d4d8;
  max-width: 600px;
  margin: 0 auto 30px;
  font-size: 19px;
}

.cta-btn {
  display: inline-block;
  background: #ff2d55;
  padding: 17px 42px;
  border-radius: 999px;
  color: #fff;
  font-weight: 800;
  margin-bottom: 25px;
}

.cta small {
  display: block;
  color: #a1a1aa;
}

footer {
  border-top: 1px solid #ddd;
  background: #fff;
  padding: 60px 6%;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 50px;
}

footer h3,
footer h4 {
  margin-bottom: 18px;
}

footer p {
  color: #64748b;
  max-width: 360px;
}

footer a {
  display: block;
  color: #64748b;
  margin-bottom: 12px;
}

.copyright {
  background: #fff;
  border-top: 1px solid #eee;
  padding: 25px 6%;
  color: #64748b;
  font-size: 13px;
  text-align: center;
}

@media (max-width: 900px) {
  .navbar nav {
    display: none;
  }

  .hero,
  .dark-section,
  .dashboard-section {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1 {
    font-size: 52px;
  }

  .hero h2 {
    font-size: 46px;
  }

  .hero-buttons,
  .checks {
    justify-content: center;
    flex-wrap: wrap;
  }

  .stats,
  .steps,
  .task-grid,
  .dark-grid,
  .review-grid,
  footer {
    grid-template-columns: 1fr;
  }

  .stats div {
    border-right: none !important;
    border-bottom: 1px solid #eee;
    padding: 20px 0;
  }

  .phone {
    width: 290px;
    height: 590px;
  }

  .cta {
    width: 90%;
  }

  .cta h2 {
    font-size: 34px;
  }
}