* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Inter, Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
}

body {
  color: #111827;

  background:
    radial-gradient(
      circle at top left,
      rgba(37, 99, 235, 0.1),
      transparent 35%
    ),
    radial-gradient(
      circle at bottom right,
      rgba(14, 165, 233, 0.1),
      transparent 35%
    ),
    #ffffff;
}

/* HEADER */

header {
  height: 80px;

  display: flex;

  align-items: center;

  justify-content: space-between;

  padding: 0 10%;

  background: rgba(255, 255, 255, 0.85);

  backdrop-filter: blur(12px);

  border-bottom: 1px solid #e5e7eb;

  position: sticky;

  top: 0;

  z-index: 100;
}

.logo {
  font-size: 30px;

  font-weight: 800;

  letter-spacing: -1px;
}

.logo span {
  color: #2563eb;
}

nav {
  display: flex;

  align-items: center;
}

nav a {
  margin-left: 35px;

  text-decoration: none;

  color: #334155;

  font-weight: 500;

  transition: 0.2s;
}

nav a:hover {
  color: #2563eb;
}

.login-btn {
  margin-left: 30px;

  background: #2563eb;

  color: white;

  border: none;

  padding: 12px 28px;

  border-radius: 10px;

  cursor: pointer;

  font-size: 15px;

  font-weight: 600;

  transition: 0.25s;
}

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

  transform: translateY(-2px);
}

/* HERO */

.hero {
  min-height: 680px;

  display: flex;

  align-items: center;

  gap: 70px;

  padding: 90px 10%;

  background-image:
    linear-gradient(rgba(37, 99, 235, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.035) 1px, transparent 1px);

  background-size: 40px 40px;
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 64px;

  line-height: 1.08;

  letter-spacing: -2px;

  color: #0f172a;
}

.hero-text p {
  margin-top: 30px;

  font-size: 20px;

  line-height: 1.7;

  color: #64748b;

  max-width: 600px;
}

.buttons {
  margin-top: 40px;
}

.primary,
.secondary {
  display: inline-block;

  padding: 15px 35px;

  border-radius: 12px;

  text-decoration: none;

  font-weight: 600;

  cursor: pointer;
}

.primary {
  background: #2563eb;

  color: white;

  transition: 0.25s;
}

.primary:hover {
  background: #1d4ed8;

  transform: translateY(-3px);
}

.secondary {
  margin-left: 15px;

  color: #2563eb;

  background: white;

  border: 1px solid #2563eb;
}

.secondary:hover {
  background: #eff6ff;
}

.hero-image {
  flex: 1;
}

.hero-image img {
  width: 100%;

  border-radius: 28px;

  box-shadow: 0 30px 80px rgba(15, 23, 42, 0.15);
}

/* COMMON */

section {
  padding: 90px 10%;
}

h2 {
  text-align: center;

  font-size: 42px;

  letter-spacing: -1px;

  margin-bottom: 55px;

  color: #0f172a;
}

/* SERVICES */

#services {
  position: relative;

  overflow: hidden;

  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

#services::before {
  content: "";

  position: absolute;

  width: 300px;

  height: 300px;

  background: #dbeafe;

  border-radius: 50%;

  filter: blur(100px);

  left: -120px;

  top: 50px;

  opacity: 0.8;
}

#services::after {
  content: "";

  position: absolute;

  width: 350px;

  height: 350px;

  background: #e0f2fe;

  border-radius: 50%;

  filter: blur(110px);

  right: -150px;

  bottom: 50px;
}

.cards {
  position: relative;

  z-index: 1;

  display: grid;

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

  gap: 30px;
}

.card {
  background: rgba(255, 255, 255, 0.8);

  backdrop-filter: blur(10px);

  padding: 35px;

  border-radius: 22px;

  border: 1px solid #e2e8f0;

  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);

  box-shadow: 0 25px 50px rgba(15, 23, 42, 0.1);
}

.icon {
  width: 60px;

  height: 60px;

  display: flex;

  align-items: center;

  justify-content: center;

  background: #eff6ff;

  border-radius: 16px;

  font-size: 30px;

  margin-bottom: 25px;
}

.card h3 {
  font-size: 22px;

  color: #1e40af;

  margin-bottom: 15px;
}

.card p {
  color: #64748b;

  line-height: 1.7;
}

/* ABOUT */

.about {
  background: #f8fafc;

  text-align: center;
}

.about p {
  max-width: 800px;

  margin: auto;

  font-size: 20px;

  line-height: 1.8;

  color: #64748b;
}

.features {
  display: flex;

  justify-content: center;

  gap: 30px;

  margin-top: 45px;

  flex-wrap: wrap;
}

.features div {
  background: white;

  padding: 20px 35px;

  border-radius: 15px;

  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}
/* TECHNOLOGY */

.technology {
  background: linear-gradient(180deg, #ffffff, #f8fbff);
}

.technology-header {
  max-width: 750px;

  margin: auto;

  text-align: center;
}

.technology-header .subtitle {
  color: #2563eb;

  font-weight: 700;

  letter-spacing: 2px;

  font-size: 14px;
}

.technology-header h2 {
  margin-top: 15px;

  font-size: 46px;

  line-height: 1.2;
}

.technology-header p {
  margin-top: 20px;

  color: #64748b;

  font-size: 18px;

  line-height: 1.7;
}

.technology-grid {
  margin-top: 60px;

  display: grid;

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

  gap: 30px;
}

.tech-box {
  background: white;

  border-radius: 24px;

  padding: 35px;

  border: 1px solid #e2e8f0;

  transition: 0.3s;
}

.tech-box:hover {
  transform: translateY(-8px);

  border-color: #bfdbfe;

  box-shadow: 0 25px 60px rgba(37, 99, 235, 0.12);
}

.tech-icon {
  width: 70px;

  height: 70px;

  display: flex;

  align-items: center;

  justify-content: center;

  background: #eff6ff;

  border-radius: 18px;

  margin-bottom: 25px;
}

.tech-icon img {
  width: 40px;

  height: 40px;

  object-fit: contain;
}

.tech-box h3 {
  font-size: 24px;

  margin-bottom: 12px;

  color: #0f172a;
}

.tech-box p {
  color: #64748b;

  line-height: 1.6;
}

@media (max-width: 1000px) {
  .technology-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 700px) {
  .technology-grid {
    grid-template-columns: 1fr;
  }

  .technology-header h2 {
    font-size: 36px;
  }
}

/* CONTACT */

.contact {
  text-align: center;

  background: linear-gradient(135deg, #eff6ff, #ffffff);
}

.contact p {
  font-size: 20px;

  color: #64748b;

  margin-bottom: 30px;
}

/* FOOTER */

footer {
  padding: 35px;

  text-align: center;

  background: #0f172a;

  color: white;
}

/* LOGIN MODAL */

.modal {
  display: none;

  position: fixed;

  inset: 0;

  background: rgba(15, 23, 42, 0.45);

  backdrop-filter: blur(8px);

  align-items: center;

  justify-content: center;

  z-index: 1000;
}

.login-container {
  width: 430px;

  background: white;

  padding: 45px;

  border-radius: 25px;

  position: relative;

  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);

  animation: show 0.25s ease;
}

@keyframes show {
  from {
    opacity: 0;

    transform: translateY(30px);
  }

  to {
    opacity: 1;

    transform: translateY(0);
  }
}

.close {
  position: absolute;

  right: 20px;

  top: 20px;

  width: 35px;

  height: 35px;

  border-radius: 50%;

  border: none;

  background: #f1f5f9;

  cursor: pointer;

  font-size: 25px;
}

.login-logo {
  text-align: center;

  font-size: 32px;

  font-weight: 800;

  margin-bottom: 25px;
}

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

.login-header h2 {
  font-size: 28px;
}

.login-header p {
  color: #64748b;
}

.login-form input {
  width: 100%;

  height: 52px;

  padding: 0 16px;

  margin: 10px 0 20px;

  border-radius: 12px;

  border: 1px solid #cbd5e1;
}

.submit {
  width: 100%;

  height: 52px;

  background: #2563eb;

  color: white;

  border: none;

  border-radius: 12px;

  font-weight: 600;

  cursor: pointer;
}

.login-error {
  text-align: center;

  color: #dc2626;

  margin-top: 20px;
}

/* MOBILE */

@media (max-width: 1000px) {
  .hero {
    flex-direction: column;
  }

  .hero-text h1 {
    font-size: 44px;
  }

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

@media (max-width: 700px) {
  nav {
    display: none;
  }

  .hero-text h1 {
    font-size: 38px;
  }

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

  .login-container {
    width: 90%;
  }
}

.why-section {
  display: flex;

  align-items: center;

  gap: 80px;

  background: linear-gradient(135deg, #f8fbff, #ffffff);
}

.why-image {
  flex: 1;
}

.why-image img {
  width: 100%;

  border-radius: 30px;

  box-shadow: 0 30px 70px rgba(15, 23, 42, 0.15);
}

.why-content {
  flex: 1;
}

.subtitle {
  display: inline-block;

  color: #2563eb;

  font-size: 14px;

  font-weight: 700;

  letter-spacing: 2px;

  margin-bottom: 20px;
}

.why-content h2 {
  text-align: left;

  font-size: 46px;

  line-height: 1.15;

  margin-bottom: 25px;
}

.why-content > p {
  color: #64748b;

  font-size: 18px;

  line-height: 1.8;

  margin-bottom: 35px;
}

.why-items {
  display: flex;

  flex-direction: column;

  gap: 25px;
}

.why-item {
  display: flex;

  gap: 20px;

  align-items: flex-start;
}

.why-icon {
  width: 50px;

  height: 50px;

  border-radius: 15px;

  background: #eff6ff;

  color: #2563eb;

  display: flex;

  align-items: center;

  justify-content: center;

  font-size: 22px;

  font-weight: bold;

  flex-shrink: 0;
}

.why-item h3 {
  font-size: 20px;

  margin-bottom: 8px;
}

.why-item p {
  color: #64748b;

  line-height: 1.5;
}

@media (max-width: 900px) {
  .why-section {
    flex-direction: column;
  }

  .why-content h2 {
    font-size: 36px;

    text-align: center;
  }

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

  .why-item {
    text-align: left;
  }
}