:root {
  --bg: #0A0E13;
  --panel: #10161D;
  --panel-alt: #141B23;

  --border: #202A35;
  --border-soft: #171F28;

  --text: #E8EDF2;
  --muted: #8A97A3;
  --dim: #5B6673;

  --dev: #5E8BFF;
  --dev-dark: #18294A;

  --green: #25D366;
  --green-dark: #123527;

  --purple: #9B7BFF;
  --orange: #FF8A3D;
  --yellow: #E8B94D;

  --radius: 12px;

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}


/* ================= RESET ================= */

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

html {
  scroll-behavior: smooth;
}

body {
  background:
    radial-gradient(
      ellipse 800px 450px at 10% -10%,
      rgba(94, 139, 255, 0.10),
      transparent 65%
    ),
    radial-gradient(
      ellipse 650px 450px at 100% 15%,
      rgba(37, 211, 102, 0.035),
      transparent 65%
    ),
    var(--bg);

  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;

  -webkit-font-smoothing: antialiased;
}

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

button {
  font-family: inherit;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 32px;
}


/* ================= NAV ================= */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;

  background: rgba(10, 14, 19, 0.88);
  backdrop-filter: blur(12px);

  border-bottom: 1px solid var(--border-soft);
}

.nav-inner {
  height: 68px;

  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;

  font-size: 18px;
  font-weight: 700;

  letter-spacing: -0.02em;
}

.logo-code {
  color: var(--dev);

  font-family: var(--font-mono);
  font-size: 17px;
}

.nav-links {
  display: flex;
  gap: 30px;

  color: var(--muted);

  font-size: 13.5px;
}

.nav-links a {
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text);
}


/* ================= WHATSAPP ================= */

.nav-whatsapp,
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  gap: 8px;

  background: var(--green);
  color: #06150b;

  font-weight: 700;

  border-radius: 8px;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.nav-whatsapp {
  padding: 9px 15px;
  font-size: 12.5px;
}

.nav-whatsapp:hover,
.btn-whatsapp:hover {
  transform: translateY(-2px);

  box-shadow:
    0 8px 25px rgba(37, 211, 102, 0.20);
}

.nav-whatsapp svg,
.btn-whatsapp svg {
  width: 18px;
  height: 18px;

  fill: currentColor;
}


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

.hero {
  padding: 62px 0 78px;
}

.breadcrumb {
  display: flex;
  gap: 9px;

  margin-bottom: 42px;

  font-family: var(--font-mono);
  font-size: 11.5px;

  color: var(--dim);
}

.breadcrumb a:hover {
  color: var(--text);
}

.hero-content {
  display: grid;

  grid-template-columns: 1.4fr 0.6fr;

  gap: 70px;

  align-items: center;
}

.eyebrow {
  display: inline-block;

  margin-bottom: 18px;

  color: var(--dev);

    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

  letter-spacing: 0.09em;
}

.hero h1 {
  font-size: 60px;
  line-height: 1.02;

  letter-spacing: -0.045em;

  margin-bottom: 22px;

  font-weight: 700;
}

.hero h1 span {
  color: var(--dev);
}

.hero-copy > p {
  max-width: 600px;

  color: var(--muted);

  font-size: 19px;
  line-height: 1.65;

  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  align-items: center;

  gap: 12px;

  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;

  padding: 13px 21px;

  background: var(--dev);
  color: #07101f;

  border-radius: 8px;

  font-size: 14px;
  font-weight: 700;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);

  box-shadow:
    0 9px 28px rgba(94, 139, 255, 0.25);
}

.hero .btn-whatsapp {
  padding: 12px 18px;

  font-size: 13.5px;
}


/* ================= TRACK SUMMARY ================= */

.track-summary {
  background: var(--panel);

  border: 1px solid var(--border);

  border-radius: 14px;

  padding: 30px;

  box-shadow:
    0 30px 70px rgba(0, 0, 0, 0.25);
}

.summary-label {
  color: var(--dim);

  font-family: var(--font-mono);

  font-size: 10.5px;

  letter-spacing: 0.08em;
}

.summary-number {
  margin-top: 10px;

  color: var(--dev);

  font-family: var(--font-mono);

  font-size: 62px;
  line-height: 1;

  font-weight: 600;
}

.summary-title {
  margin-top: 6px;

  font-size: 18px;
  font-weight: 600;
}

.summary-line {
  height: 1px;

  background: var(--border);

  margin: 24px 0 17px;
}

.summary-row {
  display: flex;

  justify-content: space-between;

  padding: 9px 0;

  color: var(--muted);

  font-size: 13px;
}

.summary-row strong {
  color: var(--text);

  font-family: var(--font-mono);

  font-weight: 500;
}


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

.courses-section {
  padding: 88px 0;

  background: var(--panel);
}

.section-heading {
  display: flex;

  justify-content: space-between;

  align-items: flex-end;

  gap: 30px;

  margin-bottom: 42px;
}

.section-tag {
  margin-bottom: 10px;

  color: var(--dim);

  font-family: var(--font-mono);

  font-size: 11px;

  letter-spacing: 0.08em;
}

.section-heading h2 {
  font-size: 32px;

  line-height: 1.15;

  letter-spacing: -0.025em;
}

.section-heading > p {
  max-width: 390px;

  color: var(--muted);

  font-size: 14px;
}


/* ================= COURSE GRID ================= */

.course-grid {
  display: grid;

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

  gap: 18px;
}


/* ================= COURSE CARD ================= */

.course-card {
  position: relative;

  display: flex;
  flex-direction: column;

  min-height: 385px;

  background: var(--panel-alt);

  border: 1px solid var(--border);

  border-radius: var(--radius);

  padding: 24px;

  transition:
    transform 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease;
}

.course-card:hover {
  transform: translateY(-5px);

  border-color: #344252;

  box-shadow:
    0 20px 45px rgba(0, 0, 0, 0.25);
}

.course-card:nth-child(1):hover {
  border-color: var(--dev);
}

.course-card:nth-child(2):hover {
  border-color: var(--orange);
}

.course-card:nth-child(3):hover {
  border-color: #9B7BFF;
}

.course-card:nth-child(4):hover {
  border-color: #4D9CFF;
}

.course-card:nth-child(5):hover {
  border-color: var(--yellow);
}


/* ================= CARD TOP ================= */

.course-card-top {
  display: flex;

  justify-content: space-between;

  align-items: center;

  margin-bottom: 22px;
}

.course-type {
  display: inline-flex;

  padding: 4px 8px;

  border-radius: 5px;

  font-family: var(--font-mono);

  font-size: 9.5px;

  font-weight: 600;

  letter-spacing: 0.05em;

  border: 1px solid;
}

.foundational {
  color: var(--dev);
  border-color: rgba(94, 139, 255, 0.25);
  background: rgba(94, 139, 255, 0.08);
}

.framework {
  color: var(--orange);
  border-color: rgba(255, 138, 61, 0.25);
  background: rgba(255, 138, 61, 0.08);
}

.frontend {
  color: #9B7BFF;
  border-color: rgba(155, 123, 255, 0.25);
  background: rgba(155, 123, 255, 0.08);
}

.language {
  color: #4D9CFF;
  border-color: rgba(77, 156, 255, 0.25);
  background: rgba(77, 156, 255, 0.08);
}

.architect {
  color: var(--yellow);
  border-color: rgba(232, 185, 77, 0.25);
  background: rgba(232, 185, 77, 0.08);
}

.course-number {
  color: var(--dim);

  font-family: var(--font-mono);

  font-size: 11px;
}


/* ================= ICON ================= */

.course-icon {
  width: 45px;
  height: 45px;

  display: flex;
  align-items: center;
  justify-content: center;

  margin-bottom: 18px;

  border-radius: 9px;

  font-family: var(--font-mono);

  font-size: 13px;

  font-weight: 600;
}

.dev-icon {
  color: var(--dev);
  background: var(--dev-dark);
}

.mvc-icon {
  color: var(--orange);
  background: rgba(255, 138, 61, 0.10);
}

.angular-icon {
  color: #9B7BFF;
  background: rgba(155, 123, 255, 0.10);
}

.ts-icon {
  color: #4D9CFF;
  background: rgba(77, 156, 255, 0.10);
}

.architect-icon {
  color: var(--yellow);
  background: rgba(232, 185, 77, 0.10);
}


/* ================= CARD CONTENT ================= */

.course-card h3 {
  margin-bottom: 9px;

  font-size: 19px;

  letter-spacing: -0.02em;
}

.course-description {
  min-height: 63px;

  color: var(--muted);

  font-size: 13px;

  line-height: 1.6;
}

.course-meta {
  display: flex;

  justify-content: space-between;

  margin-top: 17px;

  padding: 13px 0;

  border-top: 1px solid var(--border-soft);

  border-bottom: 1px solid var(--border-soft);

  color: var(--dim);

  font-family: var(--font-mono);

  font-size: 10.5px;
}

.course-meta span:first-child {
  color: var(--muted);
}


/* ================= TOPICS ================= */

.course-topics {
  display: flex;

  flex-wrap: wrap;

  gap: 6px;

  margin-top: 14px;
}

.course-topics span {
  padding: 4px 7px;

  border-radius: 5px;

  background: #10161D;

  border: 1px solid var(--border);

  color: var(--dim);

  font-family: var(--font-mono);

  font-size: 9.5px;
}


/* ================= CARD ACTIONS ================= */

.course-actions {
  display: flex;

  align-items: center;

  justify-content: space-between;

  margin-top: auto;

  padding-top: 20px;
}

.view-course {
  color: var(--text);

  font-size: 13px;

  font-weight: 600;
}

.view-course:hover {
  color: var(--dev);
}

.card-whatsapp {
  width: 35px;
  height: 35px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 7px;

  color: var(--green);

  background: rgba(37, 211, 102, 0.08);

  border: 1px solid rgba(37, 211, 102, 0.15);

  transition:
    background 0.2s ease,
    transform 0.2s ease;
}

.card-whatsapp:hover {
  background: rgba(37, 211, 102, 0.16);

  transform: translateY(-2px);
}

.card-whatsapp svg {
  width: 18px;
  height: 18px;

  fill: currentColor;
}


/* ================= EXPERIENCE ================= */

.experience {
  padding: 88px 0;
}

.centered {
  align-items: center;
}

.experience-grid {
  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 1px;

  overflow: hidden;

  border: 1px solid var(--border);

  border-radius: 12px;

  background: var(--border);
}

.experience-item {
  background: var(--bg);

  padding: 27px 22px;
}

.experience-number {
  display: block;

  margin-bottom: 18px;

  color: var(--dev);

  font-family: var(--font-mono);

  font-size: 11px;
}

.experience-item h3 {
  margin-bottom: 8px;

  font-size: 16px;
}

.experience-item p {
  color: var(--muted);

  font-size: 12.5px;

  line-height: 1.6;
}


/* ================= FINAL CTA ================= */

.final-cta {
  padding: 20px 0 90px;
}

.final-box {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 40px;

  padding: 42px;

  background:
    linear-gradient(
      135deg,
      rgba(94, 139, 255, 0.12),
      var(--panel-alt)
    );

  border: 1px solid var(--border);

  border-radius: 15px;
}

.final-box h2 {
  margin-bottom: 10px;

  font-size: 28px;

  letter-spacing: -0.025em;
}

.final-box p {
  color: var(--muted);

  font-size: 14px;
}

.btn-whatsapp.large {
  padding: 14px 20px;

  white-space: nowrap;

  font-size: 13.5px;
}


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

footer {
  border-top: 1px solid var(--border-soft);

  padding: 35px 0;
}

.footer-inner {
  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 20px;
}

.footer-brand {
  color: var(--dim);

  font-family: var(--font-mono);

  font-size: 11.5px;
}

.footer-brand span {
  color: #414C58;
}

.footer-links {
  display: flex;

  gap: 22px;

  color: var(--dim);

  font-size: 12px;
}

.footer-links a:hover {
  color: var(--text);
}


/* ================= FLOATING WHATSAPP ================= */

.floating-whatsapp {
  position: fixed;

  right: 24px;
  bottom: 24px;

  width: 54px;
  height: 54px;

  display: flex;
  align-items: center;
  justify-content: center;

  border-radius: 50%;

  background: var(--green);

  color: #06150b;

  box-shadow:
    0 8px 28px rgba(0, 0, 0, 0.35),
    0 4px 18px rgba(37, 211, 102, 0.20);

  z-index: 200;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.floating-whatsapp:hover {
  transform: translateY(-4px);

  box-shadow:
    0 12px 35px rgba(0, 0, 0, 0.4),
    0 6px 22px rgba(37, 211, 102, 0.25);
}

.floating-whatsapp svg {
  width: 27px;
  height: 27px;

  fill: currentColor;
}


/* ================= RESPONSIVE ================= */

@media (max-width: 1000px) {

  .hero-content {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .track-summary {
    max-width: 500px;
  }

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

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

}


@media (max-width: 760px) {

  .container {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .nav-whatsapp {
    padding: 8px 11px;

    font-size: 0;
  }

  .nav-whatsapp svg {
    width: 20px;
    height: 20px;
  }

  .hero {
    padding: 42px 0 60px;
  }

  .breadcrumb {
    margin-bottom: 30px;
  }

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

  .hero-copy > p {
    font-size: 15px;
  }

  .section-heading {
    flex-direction: column;

    align-items: flex-start;
  }

  .section-heading h2 {
    font-size: 27px;
  }

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

  .course-card {
    min-height: auto;
  }

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

  .final-box {
    flex-direction: column;

    align-items: flex-start;

    padding: 30px 24px;
  }

  .footer-inner {
    flex-direction: column;

    align-items: flex-start;
  }

}


@media (max-width: 480px) {

  .nav-inner {
    height: 62px;
  }

  .logo {
    font-size: 16px;
  }

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

  .hero-actions {
    flex-direction: column;

    align-items: stretch;
  }

  .hero-actions a {
    justify-content: center;
  }

  .track-summary {
    padding: 24px;
  }

  .summary-number {
    font-size: 52px;
  }

  .courses-section,
  .experience {
    padding: 65px 0;
  }

  .final-cta {
    padding-bottom: 65px;
  }

  .floating-whatsapp {
    width: 50px;
    height: 50px;

    right: 18px;
    bottom: 18px;
  }

}