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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: #172033;
  background: #ffffff;
  line-height: 1.6;
}

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


/* =====================================
   NAVBAR
===================================== */

.navbar {
  height: 72px;

  background: rgba(255, 255, 255, 0.96);

  border-bottom: 1px solid #edf0f5;

  position: sticky;
  top: 0;

  z-index: 1000;

  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1200px;

  height: 100%;

  margin: auto;

  padding: 0 25px;

  display: flex;

  align-items: center;

  justify-content: space-between;
}

.logo {
  display: flex;

  align-items: center;

  gap: 9px;
}

.logo-icon {
  font-size: 27px;
}

.logo-text {
  font-size: 23px;

  font-weight: 800;

  color: #172033;
}

.logo-text span {
  color: #2563eb;
}

.nav-links {
  display: flex;

  align-items: center;

  gap: 28px;

  font-size: 14px;

  font-weight: 600;

  color: #596273;
}

.nav-links a:hover {
  color: #2563eb;
}

.nav-login {
  color: white !important;

  background: #2563eb;

  padding: 9px 19px;

  border-radius: 9px;
}

.nav-login:hover {
  background: #1d4ed8;
}

.mobile-menu-btn {
  display: none;

  background: none;

  border: none;

  font-size: 25px;

  cursor: pointer;
}


/* =====================================
   MOBILE MENU
===================================== */

.mobile-menu {
  display: none;
}


/* =====================================
   HERO
===================================== */

.hero {
  background:
    radial-gradient(
      circle at 85% 30%,
      rgba(37, 99, 235, 0.12),
      transparent 35%
    ),
    #f7faff;

  padding: 90px 25px;
}

.hero-container {
  max-width: 1200px;

  margin: auto;

  display: grid;

  grid-template-columns: 1.1fr 0.9fr;

  align-items: center;

  gap: 70px;
}

.hero-badge {
  display: inline-block;

  padding: 7px 13px;

  background: #eaf2ff;

  color: #2563eb;

  border-radius: 20px;

  font-size: 12px;

  font-weight: 700;

  margin-bottom: 18px;
}

.hero h1 {
  font-size: clamp(38px, 5vw, 62px);

  line-height: 1.08;

  letter-spacing: -2px;

  margin-bottom: 22px;
}

.hero h1 span {
  display: block;

  color: #2563eb;
}

.hero-description {
  max-width: 620px;

  color: #697386;

  font-size: 16px;

  line-height: 1.8;

  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;

  flex-wrap: wrap;

  gap: 12px;
}

.download-btn,
.login-btn {
  padding: 13px 20px;

  border-radius: 10px;

  font-size: 14px;

  font-weight: 700;

  transition: 0.2s ease;
}

.download-btn {
  background: #2563eb;

  color: white;

  box-shadow:
    0 8px 20px rgba(37, 99, 235, 0.25);
}

.download-btn:hover {
  background: #1d4ed8;

  transform: translateY(-2px);
}

.login-btn {
  background: white;

  color: #2563eb;

  border: 1px solid #2563eb;
}

.login-btn:hover {
  background: #eff6ff;
}

.download-note {
  color: #8992a2;

  font-size: 11px;

  margin-top: 12px;
}


/* =====================================
   PHONE PREVIEW
===================================== */

.hero-visual {
  display: flex;

  justify-content: center;
}

.phone-card {
  width: 300px;

  background: #172033;

  border-radius: 35px;

  padding: 11px;

  box-shadow:
    0 25px 60px rgba(30, 41, 59, 0.2);

  transform: rotate(2deg);
}

.phone-top {
  height: 38px;

  color: white;

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 0 16px;

  font-size: 12px;

  font-weight: 700;
}

.phone-screen {
  background: #f5f8fc;

  border-radius: 27px;

  padding: 25px 18px;

  min-height: 480px;
}

.mini-label {
  color: #7b8495;

  font-size: 11px;

  margin-bottom: 4px;
}

.phone-screen h2 {
  font-size: 32px;

  margin-bottom: 25px;
}

.mini-card {
  display: flex;

  align-items: center;

  gap: 12px;

  background: white;

  padding: 15px;

  border-radius: 13px;

  margin-bottom: 12px;

  box-shadow:
    0 4px 12px rgba(30, 41, 59, 0.05);
}

.mini-card > span {
  width: 40px;
  height: 40px;

  display: flex;

  align-items: center;

  justify-content: center;

  background: #eff6ff;

  border-radius: 10px;

  font-size: 19px;
}

.mini-card strong {
  display: block;

  font-size: 12px;
}

.mini-card small {
  color: #8992a2;

  font-size: 10px;
}


/* =====================================
   GENERAL SECTION
===================================== */

.section {
  padding: 90px 25px;
}

.section-container {
  max-width: 1200px;

  margin: auto;
}

.section-heading {
  max-width: 700px;

  margin-bottom: 45px;
}

.section-heading.center {
  text-align: center;

  margin-left: auto;

  margin-right: auto;
}

.section-heading > span {
  color: #2563eb;

  font-size: 11px;

  font-weight: 800;

  letter-spacing: 1.2px;
}

.section-heading h2 {
  font-size: 36px;

  line-height: 1.2;

  margin: 8px 0 14px;
}

.section-heading p {
  color: #748094;

  font-size: 14px;

  line-height: 1.8;
}


/* =====================================
   ABOUT
===================================== */

.about {
  background: white;
}

.about-grid {
  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 20px;
}

.about-card {
  padding: 28px;

  border: 1px solid #e7ecf3;

  border-radius: 16px;

  background: white;

  transition: 0.2s ease;
}

.about-card:hover {
  transform: translateY(-4px);

  box-shadow:
    0 12px 30px rgba(30, 41, 59, 0.07);
}

.about-icon {
  width: 50px;
  height: 50px;

  display: flex;

  align-items: center;

  justify-content: center;

  background: #eff6ff;

  border-radius: 13px;

  font-size: 24px;

  margin-bottom: 18px;
}

.about-card h3 {
  font-size: 17px;

  margin-bottom: 8px;
}

.about-card p {
  color: #748094;

  font-size: 13px;

  line-height: 1.7;
}


/* =====================================
   FEATURES
===================================== */

.features {
  background: #f7f9fc;
}

.features-grid {
  display: grid;

  grid-template-columns:
    repeat(3, 1fr);

  gap: 22px;
}

.feature-card {
  background: white;

  border: 1px solid #e7ecf3;

  border-radius: 17px;

  padding: 30px;

  box-shadow:
    0 5px 18px rgba(30, 41, 59, 0.03);
}

.feature-icon {
  font-size: 28px;

  margin-bottom: 12px;
}

.feature-card h3 {
  font-size: 19px;

  margin-bottom: 18px;
}

.feature-card ul {
  list-style: none;
}

.feature-card li {
  color: #697386;

  font-size: 13px;

  margin-bottom: 10px;
}


/* =====================================
   HOW IT WORKS
===================================== */

.how-it-works {
  background: white;
}

.steps {
  display: flex;

  align-items: flex-start;

  justify-content: center;

  gap: 15px;
}

.step {
  flex: 1;

  text-align: center;

  max-width: 220px;
}

.step-number {
  color: #2563eb;

  font-size: 11px;

  font-weight: 800;

  margin-bottom: 8px;
}

.step-icon {
  width: 58px;
  height: 58px;

  display: flex;

  align-items: center;

  justify-content: center;

  margin: auto auto 15px;

  background: #eff6ff;

  border-radius: 50%;

  font-size: 25px;
}

.step h3 {
  font-size: 15px;

  margin-bottom: 7px;
}

.step p {
  color: #748094;

  font-size: 12px;

  line-height: 1.7;
}

.step-line {
  width: 45px;

  height: 1px;

  background: #d9e0eb;

  margin-top: 70px;
}


/* =====================================
   TECHNOLOGY
===================================== */

.technology {
  padding: 70px 25px;

  background: #f7f9fc;
}

.technology-list {
  display: flex;

  flex-wrap: wrap;

  justify-content: center;

  gap: 10px;
}

.technology-list div {
  background: white;

  border: 1px solid #e2e8f0;

  padding: 10px 17px;

  border-radius: 20px;

  font-size: 12px;

  font-weight: 700;

  color: #536073;
}


/* =====================================
   DOWNLOAD SECTION
===================================== */

.download-section {
  padding: 65px 25px;

  background: #2563eb;

  color: white;
}

.download-container {
  max-width: 1100px;

  margin: auto;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 30px;
}

.download-container span {
  font-size: 11px;

  font-weight: 800;

  letter-spacing: 1px;

  opacity: 0.8;
}

.download-container h2 {
  font-size: 30px;

  margin: 7px 0;
}

.download-container p {
  font-size: 13px;

  opacity: 0.8;
}

.download-large-btn {
  flex-shrink: 0;

  background: white;

  color: #2563eb;

  padding: 14px 23px;

  border-radius: 10px;

  font-size: 14px;

  font-weight: 800;

  transition: 0.2s ease;
}

.download-large-btn:hover {
  background: #eff6ff;

  transform: translateY(-2px);
}


/* =====================================
   FOOTER
===================================== */

.footer {
  background: #111827;

  color: white;

  padding: 45px 25px 20px;
}

.footer-container {
  max-width: 1100px;

  margin: auto;

  display: flex;

  justify-content: space-between;

  gap: 30px;
}

.footer-logo {
  font-size: 19px;

  font-weight: 800;

  margin-bottom: 7px;
}

.footer-container p {
  color: #9ca3af;

  font-size: 12px;
}

.footer-links {
  display: flex;

  gap: 20px;

  align-items: center;
}

.footer-links a {
  color: #cbd5e1;

  font-size: 12px;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  max-width: 1100px;

  margin: 35px auto 0;

  padding-top: 18px;

  border-top: 1px solid #263142;

  color: #6b7280;

  font-size: 11px;

  text-align: center;
}


/* =====================================
   TABLET
===================================== */

@media (max-width: 900px) {

  .hero-container {
    grid-template-columns: 1fr;

    text-align: center;

    gap: 45px;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .about-grid,
  .features-grid {
    grid-template-columns:
      repeat(2, 1fr);
  }

  .steps {
    flex-wrap: wrap;
  }

  .step-line {
    display: none;
  }

}


/* =====================================
   MOBILE
===================================== */

@media (max-width: 650px) {

  .navbar {
    height: 62px;
  }

  .nav-container {
    padding: 0 17px;
  }

  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .mobile-menu {
    display: none;

    position: fixed;

    top: 62px;

    left: 0;
    right: 0;

    background: white;

    border-bottom: 1px solid #e5eaf2;

    box-shadow:
      0 8px 20px rgba(0, 0, 0, 0.08);

    z-index: 999;
  }

  .mobile-menu.show {
    display: flex;

    flex-direction: column;
  }

  .mobile-menu a {
    padding: 15px 20px;

    color: #596273;

    font-size: 14px;

    font-weight: 600;

    border-bottom: 1px solid #f0f2f5;
  }

  .mobile-menu a:hover {
    background: #f7f9fc;

    color: #2563eb;
  }

  .mobile-menu .mobile-login {
    background: #2563eb;

    color: white;

    text-align: center;
  }


  /* HERO */

  .hero {
    padding: 60px 18px;
  }

  .hero h1 {
    font-size: 38px;

    letter-spacing: -1.2px;
  }

  .hero-description {
    font-size: 14px;

    line-height: 1.7;
  }

  .hero-buttons {
    flex-direction: column;

    align-items: stretch;
  }

  .download-btn,
  .login-btn {
    text-align: center;

    width: 100%;
  }

  .phone-card {
    width: 260px;
  }

  .phone-screen {
    min-height: 420px;
  }


  /* SECTIONS */

  .section {
    padding: 65px 18px;
  }

  .section-heading h2 {
    font-size: 28px;
  }


  /* CARDS */

  .about-grid,
  .features-grid {
    grid-template-columns: 1fr;
  }

  .about-card,
  .feature-card {
    padding: 23px;
  }


  /* STEPS */

  .steps {
    flex-direction: column;

    align-items: center;

    gap: 30px;
  }

  .step {
    max-width: 280px;
  }


  /* TECHNOLOGY */

  .technology {
    padding: 55px 18px;
  }


  /* DOWNLOAD */

  .download-section {
    padding: 50px 18px;
  }

  .download-container {
    flex-direction: column;

    align-items: flex-start;
  }

  .download-container h2 {
    font-size: 25px;
  }

  .download-large-btn {
    width: 100%;

    text-align: center;
  }


  /* FOOTER */

  .footer-container {
    flex-direction: column;
  }

  .footer-links {
    flex-wrap: wrap;
  }

}


/* =====================================
   SMALL PHONES
===================================== */

@media (max-width: 380px) {

  .hero h1 {
    font-size: 32px;
  }

  .phone-card {
    width: 235px;
  }

  .section-heading h2 {
    font-size: 25px;
  }

}