/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: #1a1a2e;
  background: #ffffff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: #3B82F6;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== Utility ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 80px 0;
}

.section--alt {
  background: #f8fafc;
}

.text-center {
  text-align: center;
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid #e2e8f0;
  z-index: 1000;
  padding: 16px 0;
}

.nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: #1a1a2e;
  text-decoration: none;
}

.nav__brand:hover {
  text-decoration: none;
}

.nav__icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #1C1C1E;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #F5A623;
  font-weight: 800;
  font-size: 0.75rem;
}

.nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav__links a {
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav__links a:hover {
  color: #3B82F6;
  text-decoration: none;
}

/* ===== Hero ===== */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.hero__badge {
  display: inline-block;
  background: #EFF6FF;
  color: #3B82F6;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero__title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #1a1a2e;
}

.hero__title span {
  color: #3B82F6;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: #64748b;
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.6;
}

.hero__cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
  border: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  text-decoration: none;
}

.btn--primary {
  background: #1a1a2e;
  color: #ffffff;
}

.btn--secondary {
  background: #ffffff;
  color: #1a1a2e;
  border: 2px solid #e2e8f0;
}

.btn__icon {
  width: 24px;
  height: 24px;
}

/* ===== Phone Mockup ===== */
.hero__phones {
  display: flex;
  justify-content: center;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
  overflow: hidden;
}

.phone {
  width: 240px;
  flex-shrink: 0;
  background: #1a1a2e;
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.phone--featured {
  width: 270px;
  transform: translateY(-10px);
}

.phone__screen {
  border-radius: 22px;
  overflow: hidden;
  background: #fff;
}

.phone__screen img {
  width: 100%;
  display: block;
}

/* ===== Problem Section ===== */
.problem__text {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.problem__text h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.problem__text p {
  font-size: 1.15rem;
  color: #64748b;
  line-height: 1.7;
}

.problem__text .highlight {
  color: #1a1a2e;
  font-weight: 600;
}

/* ===== How It Works ===== */
.steps__header {
  text-align: center;
  margin-bottom: 60px;
}

.steps__header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.steps__header p {
  color: #64748b;
  font-size: 1.1rem;
}

.steps__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.steps__grid--three {
  grid-template-columns: repeat(3, 1fr);
}

.step {
  text-align: center;
}

.step__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #3B82F6;
  color: #fff;
  font-weight: 700;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step__phone {
  width: 180px;
  margin: 0 auto 20px;
  background: #1a1a2e;
  border-radius: 24px;
  padding: 8px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.step__phone .phone__screen {
  border-radius: 18px;
}

.step h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step p {
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.5;
}

/* ===== Pricing Section ===== */
.pricing__header {
  text-align: center;
  margin-bottom: 48px;
}

.pricing__header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pricing__header p {
  color: #64748b;
  font-size: 1.1rem;
}

.pricing__card {
  max-width: 560px;
  margin: 0 auto;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 20px;
  padding: 40px;
  text-align: center;
}

.pricing__price {
  font-size: 3.5rem;
  font-weight: 800;
  color: #1a1a2e;
  line-height: 1;
  margin-bottom: 4px;
}

.pricing__price-note {
  color: #64748b;
  font-size: 1rem;
  margin-bottom: 32px;
}

.pricing__features {
  list-style: none;
  text-align: left;
  margin-bottom: 32px;
}

.pricing__features li {
  padding: 10px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 1rem;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.pricing__features li:last-child {
  border-bottom: none;
}

.pricing__check {
  color: #22c55e;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pricing__vs {
  margin-top: 32px;
  padding: 20px;
  background: #FEF3C7;
  border-radius: 12px;
  font-size: 0.95rem;
  color: #92400E;
}

.pricing__vs strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}

/* ===== Features Grid ===== */
.features__header {
  text-align: center;
  margin-bottom: 48px;
}

.features__header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

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

.feature {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 28px;
}

.feature__icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.feature h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature p {
  font-size: 0.9rem;
  color: #64748b;
  line-height: 1.5;
}

/* ===== Household Section ===== */
.household {
  text-align: center;
}

.household__content {
  max-width: 700px;
  margin: 0 auto;
}

.household h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.household p {
  font-size: 1.15rem;
  color: #64748b;
  line-height: 1.7;
  margin-bottom: 16px;
}

.household__phone {
  width: 260px;
  margin: 40px auto 0;
  background: #1a1a2e;
  border-radius: 32px;
  padding: 12px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.household__phone .phone__screen {
  border-radius: 22px;
}

/* ===== Final CTA ===== */
.cta {
  text-align: center;
  background: #1a1a2e;
  color: #ffffff;
  padding: 80px 0;
}

.cta h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta p {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.cta .btn--primary {
  background: #3B82F6;
  color: #ffffff;
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  text-align: center;
  color: #94a3b8;
  font-size: 0.85rem;
  border-top: 1px solid #e2e8f0;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
  list-style: none;
}

.footer__links a {
  color: #64748b;
  font-size: 0.85rem;
}

.footer__made {
  font-style: italic;
  margin-top: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1.05rem;
  }

  .hero__phones {
    gap: 12px;
  }

  .phone {
    width: 150px;
    border-radius: 20px;
    padding: 6px;
  }

  .phone--featured {
    width: 170px;
  }

  .phone__screen {
    border-radius: 15px;
  }

  .steps__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 24px;
  }

  .step__phone {
    width: 150px;
  }

  .features__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .nav__links {
    display: none;
  }

  .pricing__card {
    padding: 28px 20px;
  }

  .section {
    padding: 60px 0;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.75rem;
  }

  .hero__phones {
    gap: 8px;
  }

  .phone {
    width: 120px;
    border-radius: 16px;
    padding: 5px;
  }

  .phone--featured {
    width: 140px;
  }

  .phone__screen {
    border-radius: 12px;
  }

  .steps__grid {
    grid-template-columns: 1fr;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }
}