:root {
  --primary: #60269e;
  --primary-light: #eee8f5;
  --primary-dark: #4a1f7a;
  --text-dark: #1a1a2e;
  --text-medium: #4a4a68;
  --text-light: #6b6b80;
  --bg-light: #f9fafb;
  --bg-lighter: #ededf9;
  --white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.16);
  --radius-sm: 0.8rem;
  --radius-md: 1.2rem;
  --radius-lg: 2rem;
  --radius-full: 9999px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 120rem;
}

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

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  font-family:
    "Inter",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    sans-serif;
  font-size: clamp(1.4rem, 1.2vw + 1rem, 1.6rem);
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 4vw, 9.6rem);
}

/* ==================== HEADER NAVBAR ==================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header__nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
}

.header__logo {
  font-size: clamp(1.8rem, 1.5vw + 1rem, 2.2rem);
  font-weight: 700;
  color: var(--text-dark);
}

.header__menu {
  display: flex;
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
}

.header__links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3rem);
}

.header__links a {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-medium);
  transition: color var(--transition);
}

.header__links a:hover {
  color: var(--primary);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__actions a {
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--text-medium);
  transition: color var(--transition);
}

.header__actions a:hover {
  color: var(--primary);
}

.header__actions .btn {
  background: var(--primary);
  color: var(--white);
  padding: 1rem 2rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: all var(--transition);
}

.header__actions .btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 0.5rem;
  width: 3rem;
  height: 3rem;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 0.25rem;
  background: var(--text-dark);
  border-radius: 0.2rem;
  transition: all var(--transition);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--white);
  z-index: 99;
  padding: 10rem 2rem 3rem;
  flex-direction: column;
  gap: 2rem;
}

.mobile-menu.active {
  display: flex;
}

.mobile-menu a {
  display: block;
  font-size: 2rem;
  font-weight: 600;
  color: var(--text-dark);
  padding: 1.5rem 0;
  text-align: center;
  border-bottom: 1px solid var(--bg-light);
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--primary);
}

.mobile-menu .btn {
  background: var(--primary);
  color: var(--white);
  padding: 1.5rem 3rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-align: center;
  margin-top: 2rem;
}

/* ==================== HERO SECTION ==================== */
.hero {
  padding: clamp(12rem, 15vw, 18rem) 0 clamp(4rem, 6vw, 8rem);
  background: linear-gradient(180deg, var(--white) 0%, var(--bg-light) 100%);
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  align-items: center;
}

.hero__content {
  text-align: center;
  max-width: 70rem;
  margin: 0 auto;
}

.hero__title {
  font-size: clamp(2.4rem, 4vw + 1rem, 4.8rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-dark);
  margin-bottom: 2rem;
  letter-spacing: -0.02em;
}

.hero__features {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin: 3rem 0;
  text-align: left;
  max-width: 50rem;
  margin-left: auto;
  margin-right: auto;
}

.hero__feature {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: clamp(1.3rem, 1vw + 1rem, 1.6rem);
  color: var(--text-medium);
}

.hero__feature svg {
  flex-shrink: 0;
}

.hero__cta {
  margin-top: 3rem;
}

.hero__cta .btn {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 1.4rem 4rem;
  border-radius: var(--radius-sm);
  font-size: 1.6rem;
  font-weight: 600;
  transition: all var(--transition);
}

.hero__cta .btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.hero__image {
  display: flex;
  justify-content: center;
}

.hero__image img {
  max-width: 100%;
  width: clamp(28rem, 60vw + 10rem, 55rem);
}

.hero__social {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.hero__social-avatars {
  display: flex;
}

.hero__social-avatars img {
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  border: 3px solid var(--white);
  margin-left: -1rem;
}

.hero__social-avatars img:first-child {
  margin-left: 0;
}

.hero__social-text {
  font-size: 1.4rem;
  color: var(--text-medium);
}

/* ==================== PARTNERS SECTION ==================== */
.partners {
  padding: clamp(4rem, 6vw, 8rem) 0;
  background: var(--bg-light);
  text-align: center;
}

.partners__label {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 3rem;
}

.partners__image {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 3rem;
}

.partners__image img {
  height: clamp(3rem, 4vw, 4.5rem);
  width: auto;
  opacity: 0.7;
  transition: opacity var(--transition);
}

.partners__image img:hover {
  opacity: 1;
}

/* ==================== ENROLLMENT SECTION ==================== */
.enrollment {
  padding: clamp(6rem, 8vw, 12rem) 0;
}

.enrollment__header {
  text-align: center;
  max-width: 70rem;
  margin: 0 auto 5rem;
}

.enrollment__title {
  font-size: clamp(2rem, 3vw + 0.5rem, 3.2rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
  line-height: 1.3;
}

.enrollment__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 28rem), 1fr));
  gap: 2rem;
}

.enrollment__card {
  background: var(--primary-light);
  padding: clamp(2rem, 3vw, 3rem);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.enrollment__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.enrollment__card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.enrollment__card p {
  font-size: 1.4rem;
  color: var(--text-medium);
  line-height: 1.7;
}

/* ==================== FEATURES SECTION ==================== */
.features {
  padding: clamp(6rem, 8vw, 12rem) 0;
  background: var(--bg-light);
}

.features__header {
  text-align: center;
  max-width: 60rem;
  margin: 0 auto 5rem;
}

.features__title {
  font-size: clamp(2rem, 3vw + 0.5rem, 3.2rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.features__subtitle {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.6rem);
  color: var(--text-medium);
}

.features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.features__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: clamp(2rem, 3vw, 3rem);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.features__item:hover {
  box-shadow: var(--shadow-md);
}

.features__item-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.features__item-content p {
  font-size: 1.4rem;
  color: var(--text-medium);
  line-height: 1.7;
}

.features__item-image {
  display: flex;
  justify-content: center;
}

.features__item-image img {
  border-radius: var(--radius-sm);
}

/* ==================== PRICING SECTION ==================== */
.pricing {
  padding: clamp(6rem, 8vw, 12rem) 0;
}

.pricing__header {
  text-align: center;
  max-width: 60rem;
  margin: 0 auto 5rem;
}

.pricing__title {
  font-size: clamp(2rem, 3vw + 0.5rem, 3.2rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.pricing__subtitle {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.6rem);
  color: var(--text-medium);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 28rem), 1fr));
  gap: 2rem;
  max-width: 100rem;
  margin: 0 auto;
}

.pricing__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-lighter);
  padding: clamp(2.5rem, 4vw, 4rem);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition);
}

.pricing__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing__card.highlight {
  background: var(--primary);
  color: var(--white);
}

.pricing__card.highlight .pricing__price,
.pricing__card.highlight .pricing__period {
  color: var(--white);
}

.pricing__card.highlight .pricing__period {
  opacity: 0.8;
}

.pricing__card.highlight .pricing__item {
  color: rgba(255, 255, 255, 0.9);
}

.pricing__plan {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.pricing__price {
  font-size: clamp(3rem, 4vw + 1rem, 4rem);
  font-weight: 800;
  color: var(--text-dark);
}

.pricing__period {
  font-size: 1.3rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.pricing__items {
  width: 100%;
  margin: 2rem 0;
}

.pricing__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  font-size: 1.4rem;
  color: var(--text-medium);
  padding: 0.8rem 0;
}

.pricing__item svg {
  flex-shrink: 0;
}

.pricing__cta {
  width: 100%;
}

.pricing__cta .btn {
  display: block;
  width: 100%;
  background: var(--white);
  color: var(--text-dark);
  padding: 1.2rem 2rem;
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition);
}

.pricing__card.highlight .btn {
  background: var(--white);
  color: var(--primary);
}

.pricing__cta .btn:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-md);
}

/* ==================== SKILLS SECTION ==================== */
.skills {
  padding: clamp(6rem, 8vw, 12rem) 0;
  background: var(--bg-light);
}

.skills__header {
  text-align: center;
  max-width: 60rem;
  margin: 0 auto 5rem;
}

.skills__title {
  font-size: clamp(2rem, 3vw + 0.5rem, 3.2rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1.5rem;
}

.skills__subtitle {
  font-size: clamp(1.4rem, 1vw + 1rem, 1.6rem);
  color: var(--text-medium);
}

.skills__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.skills__card {
  padding: clamp(2rem, 3vw, 3rem);
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}

.skills__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.skills__card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.skills__card p {
  font-size: 1.4rem;
  color: var(--text-medium);
  line-height: 1.7;
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--bg-light);
  padding: clamp(3rem, 4vw, 5rem) 0;
  text-align: center;
}

.footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.footer__text {
  font-size: 1.3rem;
  color: var(--text-light);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  padding: 1.2rem 2.4rem;
  border-radius: var(--radius-sm);
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

.btn--primary {
  background: var(--primary);
  color: var(--white);
}

.btn--primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background: var(--white);
  color: var(--text-dark);
  border: 1px solid var(--bg-lighter);
}

.btn--secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ==================== MEDIA QUERIES ==================== */

/* Tablet - 768px+ */
@media (min-width: 48em) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 5vw, 6rem);
  }

  .hero__content {
    text-align: left;
  }

  .hero__features {
    text-align: left;
    margin-left: 0;
  }

  .hero__social {
    justify-content: flex-start;
  }

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

  .features__item {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

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

  .pricing__card.highlight {
    transform: scale(1.05);
  }

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

/* Desktop - 1024px+ */
@media (min-width: 64em) {
  .header__menu {
    gap: 4rem;
  }

  .hero__container {
    gap: 8rem;
  }

  .hero__title {
    font-size: clamp(3.6rem, 2vw + 2rem, 5.2rem);
  }

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

  .features__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
  }

  .skills__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .mobile-menu {
    display: none !important;
  }
}

/* Large Desktop - 1200px+ */
@media (min-width: 75em) {
  .menu-toggle {
    display: none;
  }
}

/* Mobile Navigation */
@media (max-width: 63.99em) {
  .header__links,
  .header__actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
}