/* ============================================
   Gabriel Moraes - English Innovation
   Cores: Primária #1a1135 | Secundária #5b29ac | Terciária #bcadb0
   ============================================ */

:root {
  --color-primary: #1a1135;
  --color-secondary: #5b29ac;
  --color-tertiary: #bcadb0;
  --color-primary-light: rgba(26, 17, 53, 0.95);
  --color-secondary-hover: #6d35c7;
  --color-white: #ffffff;
  --color-bg-alt: #f5f3f7;
  --color-text: #2d2a35;
  --color-text-muted: #5a5565;
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(26, 17, 53, 0.12);
  --shadow-hover: 0 8px 32px rgba(91, 41, 172, 0.2);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-secondary-hover);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ========== Header ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--color-primary-light);
  backdrop-filter: blur(12px);
  z-index: 1000;
  border-bottom: 1px solid rgba(188, 173, 176, 0.2);
}

.header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo-img {
  height: 40px;
  width: auto;
  display: block;
  object-fit: contain;
}

.header__menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 10px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.header__menu-icon {
  position: relative;
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.header__menu-icon::before,
.header__menu-icon::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

.header__menu-icon::before { top: -8px; }
.header__menu-icon::after { bottom: -8px; }

.header__menu-btn {
  position: relative;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon {
  background: transparent;
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon::before {
  top: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.header__menu-btn[aria-expanded="true"] .header__menu-icon::after {
  bottom: auto;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav__link {
  position: relative;
  font-weight: 500;
  color: var(--color-white);
  font-size: 0.95rem;
  padding: 0.35rem 0;
  transition: color var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--color-secondary);
  transition: width var(--transition);
}

.nav__link:hover {
  color: var(--color-tertiary);
}

.nav__link:hover::after {
  width: 100%;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

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

.btn--primary:hover {
  background: var(--color-secondary-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.btn--secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 6px 24px rgba(26, 17, 53, 0.25);
  transform: translateY(-3px);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

@keyframes btn-pulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
    box-shadow: 0 0 0 0 rgba(91, 41, 172, 0.5);
  }
  70% {
    transform: scale(1.05);
    opacity: 0;
    box-shadow: 0 0 0 12px rgba(91, 41, 172, 0);
  }
  100% {
    transform: scale(1.05);
    opacity: 0;
    box-shadow: 0 0 0 0 rgba(91, 41, 172, 0);
  }
}

.btn--pulse {
  position: relative;
}

.btn--pulse::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: calc(var(--radius) + 4px);
  background: rgba(91, 41, 172, 0.35);
  animation: btn-pulse 2s ease-out infinite;
  pointer-events: none;
  z-index: -1;
}

.btn--pulse:hover::before {
  animation: none;
  opacity: 0;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 3rem);
  padding-bottom: 3rem;
  background: linear-gradient(160deg, #0d0820 0%, var(--color-primary) 25%, #2a1a4a 50%, #1f1540 75%, var(--color-primary) 100%);
  color: var(--color-white);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 60% at 15% 30%, rgba(91, 41, 172, 0.35) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 70%, rgba(91, 41, 172, 0.25) 0%, transparent 50%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
  min-height: calc(100vh - var(--header-height) - 6rem);
}

.hero__content {
  max-width: 540px;
}

.hero__tag {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-secondary);
  margin-bottom: 1rem;
  padding: 0.35rem 0.85rem;
  border: 1px solid rgba(91, 41, 172, 0.5);
  border-radius: 999px;
  background: rgba(91, 41, 172, 0.15);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
}

.hero__subtitle {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-tertiary);
  margin-bottom: 2rem;
  max-width: 460px;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__buttons .btn {
  flex: 1 1 0;
  min-width: 160px;
}

.hero__buttons .btn--secondary {
  color: var(--color-tertiary);
  border-color: rgba(188, 173, 176, 0.6);
}

.hero__buttons .btn--secondary:hover {
  color: var(--color-white);
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.hero__buttons .btn:hover {
  color: var(--color-white);
}

.hero__image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__image {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ========== Sections ========== */
.section {
  padding: 4rem 0;
}

.section--alt {
  background: var(--color-bg-alt);
}

.section__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 0.75rem;
}

.section__subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.6;
}

/* ========== How it works ========== */
.how-it-works {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  overflow: visible;
}

.how-it-works__item {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  transform-origin: center center;
}

.how-it-works__item:hover {
  transform: translateY(-6px) scale(1.03) !important;
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
}

.how-it-works__image-wrap {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-tertiary);
}

.how-it-works__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.how-it-works__heading {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-secondary);
  padding: 1.25rem 1.5rem 0.5rem;
  letter-spacing: 0.05em;
}

.how-it-works__text {
  padding: 0 1.5rem 1.5rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ========== Courses ========== */
.courses {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  overflow: visible;
}

.course-card {
  background: var(--color-white);
  border: 1px solid rgba(91, 41, 172, 0.12);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
  transform-origin: center center;
}

.course-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary), var(--color-secondary-hover));
  opacity: 0.9;
}

.course-card:hover {
  border-color: var(--color-secondary);
  box-shadow: 0 12px 40px rgba(26, 17, 53, 0.12), 0 4px 16px rgba(91, 41, 172, 0.08);
  transform: translateY(-6px) scale(1.03) !important;
}

.course-card__title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  line-height: 1.35;
  padding-top: 0.25rem;
}

.course-card__desc {
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.6;
}

.course-card__list {
  margin-top: 0.5rem;
  padding-left: 1.5rem;
  list-style-type: disc;
}

.course-card__list li {
  margin-bottom: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.course-card__list li::marker {
  color: var(--color-secondary);
}

.course-card--bonus {
  padding-right: 6.5rem;
}

.course-card__badge {
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  object-fit: contain;
  pointer-events: none;
}

/* ========== VIP ========== */
.vip__title-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.vip__title-wrap .section__title {
  margin-bottom: 0;
}

.vip__badge {
  width: 240px;
  height: 240px;
  object-fit: contain;
  flex-shrink: 0;
}

.vip-intro {
  text-align: center;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.vip-themes {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.vip-themes__item {
  background: var(--color-white);
  color: var(--color-primary);
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid rgba(91, 41, 172, 0.2);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.vip-themes__item:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
}

.vip-note {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  max-width: 560px;
  margin: 0 auto;
}

.vip__video-wrap {
  width: 100%;
  margin-top: 2rem;
}

.vip__video {
  display: block;
  width: 100%;
  height: auto;
  max-height: 50vh;
  object-fit: contain;
  border: none;
  border-radius: var(--radius);
}

/* ========== Testimonials ========== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  overflow: visible;
}

.testimonial {
  display: flex;
  gap: 1.5rem;
  background: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(91, 41, 172, 0.08);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  transform-origin: center center;
}

.testimonial:hover {
  transform: translateY(-4px) scale(1.03) !important;
  box-shadow: var(--shadow-hover);
  border-color: var(--color-secondary);
}

.testimonial__image-wrap {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--color-tertiary);
}

.testimonial__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial__name {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.15rem;
}

.testimonial__role {
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: 0.75rem;
}

.testimonial__quote {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: 1.6;
}

.testimonial__quote::before {
  content: '"';
}

.testimonial__quote::after {
  content: '"';
}

/* ========== About ========== */
.about-subtitle {
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about__text {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.about__image-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: var(--color-tertiary);
}

.about__image {
  width: 100%;
  object-fit: cover;
}

/* ========== Contact ========== */
.section--contact {
  text-align: center;
  padding: 4rem 0;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-white) 100%);
}

.contact__subtitle {
  font-size: 1.2rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.contact-cta {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid rgba(91, 41, 172, 0.1);
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.contact-cta__text {
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.contact-cta__text strong {
  color: var(--color-secondary);
}

.contact-cta__btn {
  display: inline-flex;
}

.contact__social-label {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.contact-links__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--color-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  border: 2px solid rgba(91, 41, 172, 0.2);
  background: var(--color-white);
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  box-shadow: 0 2px 8px rgba(26, 17, 53, 0.06);
}

.contact-links__item:hover {
  background: var(--color-secondary);
  color: var(--color-white);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.contact-links__item--whatsapp:hover {
  background: #25d366;
  border-color: #25d366;
}

.contact-links__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.contact-links__label {
  font-size: 0.95rem;
}

/* ========== Footer ========== */
.footer {
  background: var(--color-primary);
  color: var(--color-tertiary);
  padding: 1.5rem;
  text-align: center;
}

.footer__text {
  font-size: 0.9rem;
}

.footer-dev-info {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--color-tertiary);
}

.footer-dev-info a {
  color: var(--color-tertiary);
  text-decoration: underline;
  transition: color var(--transition);
}

.footer-dev-info a:hover {
  color: var(--color-white);
}

.footer-dev-info .separator {
  margin: 0 0.35rem;
  opacity: 0.7;
}

.footer-dev-info .mobile-break {
  display: none;
}

@media (max-width: 480px) {
  .footer-dev-info .mobile-break {
    display: block;
  }
}

/* ========== WhatsApp Float ========== */
@keyframes whatsapp-pulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
  }
  70% {
    transform: scale(1.15);
    opacity: 0;
    box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
  }
  100% {
    transform: scale(1.15);
    opacity: 0;
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  z-index: 999;
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.4);
  animation: whatsapp-pulse 2s ease-out infinite;
  pointer-events: none;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:hover::before {
  animation: none;
  opacity: 0;
}

.whatsapp-float__icon {
  width: 28px;
  height: 28px;
  position: relative;
  z-index: 1;
}

/* ========== Responsive ========== */
@media (max-width: 992px) {
  html,
  body {
    overflow-x: hidden;
    max-width: 100%;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
  }

  .hero__content {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__buttons {
    justify-content: center;
  }

  .hero__image-wrap {
    display: none;
  }

  .how-it-works {
    grid-template-columns: 1fr;
  }

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

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

  .about__image-wrap {
    order: -1;
    max-width: 400px;
    margin: 0 auto;
  }

  .vip__title-wrap {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .header__menu-btn {
    display: flex;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary);
    padding: 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition), opacity var(--transition), visibility var(--transition);
    border-bottom: 1px solid rgba(188, 173, 176, 0.2);
  }

  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__list {
    flex-direction: column;
    gap: 0;
  }

  .nav__list li {
    border-bottom: 1px solid rgba(188, 173, 176, 0.15);
  }

  .nav__link {
    display: block;
    padding: 1rem;
  }

  .section {
    padding: 3rem 0;
  }

  .testimonial {
    flex-direction: column;
    text-align: center;
  }

  .testimonial__image-wrap {
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .hero__buttons {
    flex-direction: column;
  }

  .hero__buttons .btn {
    width: 100%;
  }

  .contact-links {
    flex-direction: column;
  }

  .contact-links__item {
    width: 100%;
    justify-content: center;
  }
}