:root {
  --primary: #0f766e;
  --cyan: #14b8a6;
  --blue: #2563eb;
  --violet: #7c3aed;
  --dark: #07111f;
  --muted: #64748b;
  --line: #dbeafe;
  --grad: linear-gradient(135deg, #0f766e, #2563eb 55%, #7c3aed);
  --shadow: 0 26px 80px rgba(15, 23, 42, 0.13);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family:
    Inter,
    Segoe UI,
    Arial,
    sans-serif;
  background: #f8fbff;
  color: #0f172a;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 184, 166, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
}
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(80px);
  z-index: -2;
  opacity: 0.6;
}
.orb.one {
  width: 340px;
  height: 340px;
  background: rgba(20, 184, 166, 0.22);
  left: -100px;
  top: 10%;
}
.orb.two {
  width: 320px;
  height: 320px;
  background: rgba(37, 99, 235, 0.18);
  right: -90px;
  top: 20%;
}
.container {
  width: min(1220px, 92%);
  margin: auto;
}
.back {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin: 28px 0 0;
  padding: 12px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 900;
  color: #0f766e;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.07);
}
.hero {
  min-height: 92vh;
  display: grid;
  align-items: center;
  padding: 40px 0 70px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 52px;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(20, 184, 166, 0.24);
  color: #0f766e;
  font-weight: 950;
  box-shadow: 0 14px 34px rgba(15, 118, 110, 0.09);
}
h1 {
  font-size: clamp(3rem, 5.5vw, 5.8rem);
  line-height: 0.95;
  letter-spacing: -0.075em;
  margin: 18px 0;
}
h1 span,
.gradient {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--muted);
  font-weight: 650;
  max-width: 720px;
}
.actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 22px;
  border-radius: 999px;
  font-weight: 950;
  transition: 0.35s;
  border: 0;
  cursor: pointer;
}
.primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 20px 45px rgba(37, 99, 235, 0.25);
}
.glass {
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
}
.btn:hover {
  transform: translateY(-5px);
}
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 32px;
}
.stats article {
  padding: 18px;
  border-radius: 24px;
  background: #fff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 16px 44px rgba(15, 23, 42, 0.07);
}
.stats strong {
  display: block;
  font-size: 1.45rem;
}
.stats span {
  font-weight: 850;
  color: var(--muted);
  font-size: 0.84rem;
}
.visual {
  position: relative;
  min-height: 530px;
  border-radius: 42px;
  padding: 26px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(37, 99, 235, 0.18);
  box-shadow: var(--shadow);
  backdrop-filter: blur(25px);
  overflow: hidden;
}
.visual:before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 50% 46%,
      rgba(20, 184, 166, 0.18),
      transparent 38%
    ),
    radial-gradient(
      circle at 82% 70%,
      rgba(124, 58, 237, 0.12),
      transparent 28%
    );
}
.visual-top {
  position: relative;
  display: flex;
  gap: 8px;
  align-items: center;
  font-weight: 900;
  color: #334155;
}
.visual-top span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #ef4444;
}
.visual-top span:nth-child(2) {
  background: #f59e0b;
}
.visual-top span:nth-child(3) {
  background: #22c55e;
}
.orbit {
  position: relative;
  height: 350px;
  display: grid;
  place-items: center;
}
.core {
  position: relative;
  z-index: 3;
  width: 140px;
  height: 140px;
  border-radius: 42px;
  background: #06111f;
  color: #14b8a6;
  display: grid;
  place-items: center;
  font-size: 3rem;
  font-weight: 950;
  box-shadow: 0 0 90px rgba(20, 184, 166, 0.3);
}
.ring {
  position: absolute;
  border: 1px dashed rgba(37, 99, 235, 0.28);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}
.r1 {
  width: 250px;
  height: 250px;
}
.r2 {
  width: 340px;
  height: 340px;
  animation-direction: reverse;
}
.logo {
  position: absolute;
  z-index: 4;
  width: 60px;
  height: 60px;
  border-radius: 20px;
  background: #fff;
  display: grid;
  place-items: center;
  color: #2563eb;
  font-size: 1.8rem;
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.12);
}
.l1 {
  top: 1px;
  left: 44%;
}
.l2 {
  right: 58px;
  top: 130px;
}
.l3 {
  right: 90px;
  bottom: 50px;
}
.l4 {
  left: 80px;
  bottom: 50px;
}
.l5 {
  left: 58px;
  top: 120px;
}
.l6 {
  top: 310px;
  right: 220px;
}
.tech-tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tech-tags span {
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #e2e8f0;
  font-weight: 900;
  color: #1d4ed8;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.06);
}
.section {
  padding: 90px 0;
}
.section-head {
  text-align: center;
  max-width: 850px;
  margin: 0 auto 42px;
}
.section-head h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.055em;
  line-height: 1.05;
  margin: 14px 0;
}
.section-head p {
  color: var(--muted);
  font-weight: 650;
}
.module-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.module {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border-radius: 30px;
  background: #fff;
  border: 1px solid #e2e8f0;
  box-shadow: 0 16px 45px rgba(15, 23, 42, 0.07);
  transition: 0.35s;
}
.module:hover {
  transform: translateY(-9px);
  box-shadow: var(--shadow);
}
.module i {
  width: 56px;
  height: 56px;
  border-radius: 19px;
  background: linear-gradient(
    135deg,
    rgba(20, 184, 166, 0.14),
    rgba(37, 99, 235, 0.12)
  );
  display: grid;
  place-items: center;
  color: #0f766e;
  font-size: 1.35rem;
  margin-bottom: 16px;
}
.module h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
}
.module li {
  margin: 9px 0;
  color: #475569;
  font-weight: 650;
}
.dark {
  background: #06111f;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.dark:before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(20, 184, 166, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.08) 1px, transparent 1px);
  background-size: 50px 50px;
}
.dark .container {
  position: relative;
}
.dark .section-head p,
.dark li {
  color: #dbeafe;
}
.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.project {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  backdrop-filter: blur(18px);
  font-weight: 850;
}
.enroll {
  padding: 90px 0;
  background: linear-gradient(135deg, #fff, #eef6ff);
}
.enroll-card {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
  align-items: center;
  padding: 34px;
  border-radius: 38px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow);
}
.enroll-card h2 {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
  margin: 14px 0;
}
.enroll-card p {
  color: var(--muted);
  line-height: 1.7;
  font-weight: 650;
}
form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
input,
select,
textarea {
  width: 100%;
  padding: 15px;
  border-radius: 17px;
  border: 1px solid #dbeafe;
  background: #f8fafc;
  font: inherit;
  font-weight: 700;
  outline: 0;
}
textarea {
  grid-column: span 2;
  min-height: 120px;
  resize: vertical;
}
button {
  grid-column: span 2;
}
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: 0.8s;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@media (max-width: 1050px) {
  .hero-grid,
  .enroll-card {
    grid-template-columns: 1fr;
  }
  .visual {
    max-width: 680px;
    margin: auto;
  }
  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 680px) {
  h1 {
    font-size: 2.6rem;
  }
  .stats,
  .module-grid,
  .project-grid,
  form {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 20px;
  }
  .visual {
    min-height: auto;
  }
  .orbit {
    height: 310px;
  }
  .logo {
    width: 50px;
    height: 50px;
    font-size: 1.45rem;
  }
  textarea,
  button {
    grid-column: auto;
  }
  .actions .btn {
    width: 100%;
  }
}