/* ===========================
   FAP Landing Page – Styles
   Cores: #36d0f1  #1800ad
   =========================== */

:root {
  --cyan: #36d0f1;
  --blue: #1800ad;
  --blue-dark: #10007a;
  --cyan-light: #e4f9fd;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --radius: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.06);
  --shadow-md: 0 8px 30px rgba(0,0,0,.08);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.10);
  --transition: .35s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--gray-900);
  background: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ========== HEADER ========== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: background var(--transition);
}
.header__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header__logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.logo-text {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}
.logo-sub {
  font-size: .75rem;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: .5px;
}
.header__nav {
  display: flex;
  gap: 32px;
}
.header__nav a {
  font-size: .9rem;
  font-weight: 500;
  color: var(--gray-700);
  position: relative;
  transition: color var(--transition);
}
.header__nav a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: var(--cyan);
  border-radius: 2px;
  transition: width var(--transition);
}
.header__nav a:hover { color: var(--blue); }
.header__nav a:hover::after { width: 100%; }

/* Mobile menu button */
.header__menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.header__menu-btn span {
  display: block;
  width: 24px; height: 2.5px;
  background: var(--gray-700);
  border-radius: 2px;
  transition: var(--transition);
}
.header__menu-btn.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.header__menu-btn.active span:nth-child(2) { opacity: 0; }
.header__menu-btn.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  background: linear-gradient(160deg, var(--blue-dark) 0%, var(--blue) 50%, #2a10c0 100%);
  overflow: hidden;
}
.hero__bg-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: .12;
}
.shape--1 {
  width: 600px; height: 600px;
  background: var(--cyan);
  top: -200px; right: -150px;
  animation: float 8s ease-in-out infinite;
}
.shape--2 {
  width: 400px; height: 400px;
  background: var(--cyan);
  bottom: -100px; left: -100px;
  animation: float 10s ease-in-out infinite reverse;
}
.shape--3 {
  width: 250px; height: 250px;
  background: var(--white);
  top: 40%; left: 10%;
  animation: float 12s ease-in-out infinite 2s;
}
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 900;
  color: var(--white);
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 20px;
}
.hero__title .highlight {
  background: linear-gradient(135deg, var(--cyan), #7ef0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.75);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.hero__cta {
  display: inline-block;
  padding: 16px 40px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--blue);
  background: var(--cyan);
  border-radius: 60px;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(54,208,241,.35);
}
.hero__cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(54,208,241,.5);
  background: #5ee0f8;
}

/* Scroll indicator */
.hero__scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px; height: 44px;
  border: 2px solid rgba(255,255,255,.4);
  border-radius: 14px;
}
.hero__scroll-indicator span {
  display: block;
  width: 4px; height: 8px;
  background: var(--cyan);
  border-radius: 4px;
  margin: 8px auto 0;
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(12px); opacity: .3; }
}

/* ========== CARDS SECTION ========== */
.cards {
  padding: 100px 24px 120px;
  background: var(--gray-50);
}
.cards__header {
  text-align: center;
  margin-bottom: 60px;
}
.cards__title {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--gray-900);
  margin-bottom: 12px;
}
.cards__title .highlight {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cards__subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
}

.cards__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
}

/* ---------- Single Card ---------- */
.card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-200);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: pointer;
  /* Reveal animation */
  opacity: 0;
  transform: translateY(40px);
}
.card.visible {
  opacity: 1;
  transform: translateY(0);
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
  border-color: var(--cyan);
}
.card:hover::before { transform: scaleX(1); }

.card__icon-wrap {
  width: 64px; height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 20px;
  transition: var(--transition);
}
.card[data-card="up"]   .card__icon-wrap { background: rgba(54,208,241,.12); color: var(--cyan); }
.card[data-card="tech"] .card__icon-wrap { background: rgba(24,0,173,.08); color: var(--blue); }
.card[data-card="grad"] .card__icon-wrap { background: rgba(24,0,173,.12); color: var(--blue); }
.card[data-card="ead"]  .card__icon-wrap { background: rgba(54,208,241,.12); color: #1ba8c4; }
.card:hover .card__icon-wrap { transform: scale(1.1) rotate(-3deg); }

.card__icon { width: 36px; height: 36px; }

.card__badge {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
  width: fit-content;
}
.card[data-card="up"]   .card__badge { background: rgba(54,208,241,.15); color: #0e96ad; }
.card[data-card="tech"] .card__badge { background: rgba(54,208,241,.15); color: #0e96ad; }
.card[data-card="grad"] .card__badge { background: rgba(24,0,173,.08); color: var(--blue); }
.card[data-card="ead"]  .card__badge { background: rgba(54,208,241,.15); color: #0e96ad; }

.card__title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--gray-900);
}
.card__label {
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-500);
  margin-bottom: 16px;
}
.card__desc {
  font-size: .92rem;
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 20px;
  flex-grow: 1;
}

.card__courses {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}
.card__courses span {
  font-size: .75rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 8px;
  background: var(--gray-100);
  color: var(--gray-700);
  transition: var(--transition);
}
.card:hover .card__courses span {
  background: rgba(54,208,241,.1);
  color: var(--blue);
}

.card__footer {
  border-top: 1px solid var(--gray-100);
  padding-top: 16px;
}
.card__link {
  font-size: .9rem;
  font-weight: 700;
  color: var(--blue);
  transition: var(--transition);
}
.card:hover .card__link { color: var(--cyan); letter-spacing: .5px; }

/* ========== DETAIL SECTIONS ========== */
.detail-section {
  padding: 100px 24px;
  position: relative;
  overflow: hidden;
}
.detail-section--light {
  background: var(--white);
}
.detail-section--dark {
  background: linear-gradient(160deg, var(--blue-dark) 0%, var(--blue) 60%, #2a10c0 100%);
}
.detail-section--gradient {
  background: linear-gradient(135deg, #0a0055 0%, var(--blue) 40%, #1a6b7a 100%);
}
.detail-section__container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
.detail-section__header {
  text-align: center;
  margin-bottom: 56px;
}
.detail-section__tag {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 20px;
  background: rgba(54,208,241,.15);
  color: #0e96ad;
  margin-bottom: 16px;
}
.detail-section__tag--light {
  background: rgba(54,208,241,.2);
  color: var(--cyan);
}
.detail-section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  color: var(--gray-900);
  margin-bottom: 12px;
  letter-spacing: -1px;
}
.detail-section__title--light {
  color: var(--white);
}
.highlight-cyan {
  background: linear-gradient(135deg, var(--cyan), #7ef0ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.highlight-blue {
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.detail-section__subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  max-width: 600px;
  margin: 0 auto;
}
.detail-section__subtitle--light {
  color: rgba(255,255,255,.65);
}

/* Body layout */
.detail-section__body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.detail-section__desc {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--gray-700);
  margin-bottom: 32px;
}
.detail-section__desc--light {
  color: rgba(255,255,255,.8);
}

/* Benefits */
.detail-section__benefits {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 28px 32px;
  border: 1px solid var(--gray-200);
}
.detail-section__benefits--light {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.12);
}
.detail-section__benefits-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--gray-900);
}
.detail-section__benefits--light .detail-section__benefits-title {
  color: var(--white);
}
.detail-section__benefits ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.detail-section__benefits li {
  font-size: .95rem;
  line-height: 1.6;
  color: var(--gray-700);
  padding-left: 8px;
  border-left: 3px solid var(--cyan);
  transition: var(--transition);
}
.detail-section__benefits li:hover {
  padding-left: 14px;
  border-left-color: var(--blue);
}
.detail-section__benefits--light li {
  color: rgba(255,255,255,.85);
  border-left-color: var(--cyan);
}
.detail-section__benefits--light li:hover {
  border-left-color: #7ef0ff;
}

/* Courses panel */
.detail-section__courses-panel {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 32px;
  border: 1px solid var(--gray-200);
}
.detail-section__courses-panel--dark {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.1);
}
.detail-section__courses-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--gray-900);
}
.detail-section__courses-panel--dark .detail-section__courses-title {
  color: var(--white);
}
.detail-courses-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.detail-course-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--white);
  border-radius: 12px;
  border: 1px solid var(--gray-200);
  font-size: .95rem;
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition);
  cursor: default;
}
.detail-course-item:hover {
  transform: translateX(8px);
  border-color: var(--cyan);
  box-shadow: 0 4px 16px rgba(54,208,241,.15);
}
.detail-course-item--dark {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.1);
  color: rgba(255,255,255,.9);
}
.detail-course-item--dark:hover {
  background: rgba(255,255,255,.14);
  border-color: var(--cyan);
  box-shadow: 0 4px 20px rgba(54,208,241,.2);
}
.detail-course-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* Reveal animations */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity .7s ease, transform .7s ease;
}
.reveal-up {
  transform: translateY(40px);
}
.reveal-left {
  transform: translateX(-40px);
}
.reveal-right {
  transform: translateX(40px);
}
.reveal-up.revealed,
.reveal-left.revealed,
.reveal-right.revealed {
  opacity: 1;
  transform: translate(0, 0);
}

/* ========== FOOTER ========== */
.footer {
  text-align: center;
  padding: 32px 24px;
  font-size: .85rem;
  color: var(--gray-500);
  background: var(--white);
  border-top: 1px solid var(--gray-200);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1100px) {
  .cards__grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 700px) {
  .header__nav {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: center;
    padding: 24px 0;
    gap: 20px;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: var(--transition);
    pointer-events: none;
  }
  .header__nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .header__menu-btn { display: flex; }

  .cards__grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .hero { padding: 140px 20px 80px; min-height: auto; }
  .logo-sub { display: none; }

  /* Detail sections responsive */
  .detail-section { padding: 60px 20px; }
  .detail-section__body {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .detail-section__benefits { padding: 20px 24px; }
  .detail-section__courses-panel { padding: 24px; }
}