/* ========================================
   SOCAF POS - Layout Components
   Navigation, Hero, Features, Footer
   ======================================== */

/* ========================================
   NAVIGATION
   ======================================== */

.public-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.8);
  border-bottom: 1px solid rgba(203, 213, 225, 0.4);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  transition: all var(--transition-normal);
}

.public-nav.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-md);
}

.public-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--color-ink);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  transition: transform var(--transition-fast);
}

.brand:hover {
  transform: scale(1.02);
}

.brand-mark {
  display: inline-grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  font-weight: 900;
  font-size: 1rem;
  box-shadow: var(--shadow-md), 0 4px 16px var(--color-primary-glow);
  transition: all var(--transition-normal);
}

.brand:hover .brand-mark {
  transform: rotate(-5deg) scale(1.08);
  box-shadow: var(--shadow-lg), 0 8px 24px var(--color-primary-glow);
}

.public-nav__links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.public-nav__links a {
  position: relative;
  padding: 10px 18px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.public-nav__links a::after {
  content: "";
  position: absolute;
  bottom: 6px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.public-nav__links a:hover {
  color: var(--color-ink);
  background: var(--color-soft);
}

.public-nav__links a.is-active {
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.public-nav__links a:hover::after,
.public-nav__links a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.public-nav__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.menu-button {
  display: none;
  width: 48px;
  height: 48px;
  border: 1px solid var(--color-soft-2);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-ink);
  font-weight: 900;
  transition: all var(--transition-fast);
}

.menu-button:hover {
  background: var(--color-soft);
  border-color: var(--color-line);
}

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

.hero {
  position: relative;
  display: grid;
  min-height: 90vh;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 41, 59, 0.88) 100%),
    var(--hero-image);
  background-position: center;
  background-size: cover;
  color: var(--color-white);
}

/* Animated gradient overlay */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 80% 60% at 20% 30%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse 60% 50% at 80% 70%, rgba(244, 63, 94, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
  animation: gradientShift 15s ease-in-out infinite;
  background-size: 200% 200%;
}

/* Grid pattern overlay */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 820px;
  padding: 100px 0;
}

.hero__content > * {
  animation: fadeInUp 0.8s var(--ease-out) backwards;
}

.hero__content > *:nth-child(1) { animation-delay: 0.1s; }
.hero__content > *:nth-child(2) { animation-delay: 0.2s; }
.hero__content > *:nth-child(3) { animation-delay: 0.3s; }
.hero__content > *:nth-child(4) { animation-delay: 0.4s; }
.hero__content > *:nth-child(5) { animation-delay: 0.5s; }

.hero h1 {
  margin-bottom: 24px;
  color: var(--color-white);
  text-shadow: 0 2px 40px rgba(0, 0, 0, 0.3);
}

.hero p {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.15rem;
  line-height: 1.8;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 10px 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.hero__eyebrow:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 64px;
  max-width: 600px;
}

.hero-stat {
  position: relative;
  padding: 20px 0 20px 24px;
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--color-accent), var(--color-primary)) 1;
  transition: all var(--transition-normal);
}

.hero-stat:hover {
  transform: translateX(8px);
}

.hero-stat strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-white);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.hero-stat span {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.85rem;
  font-weight: 600;
}

/* ========================================
   FEATURE & MODULE CARDS
   ======================================== */

.feature-card,
.module-card,
.tutorial-card,
.faq-item,
.price-panel,
.contact-panel {
  position: relative;
  padding: 32px;
  background: var(--color-white);
  border: 1px solid var(--color-soft-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  overflow: hidden;
}

.feature-card::before,
.module-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.feature-card:hover,
.module-card:hover {
  border-color: var(--color-primary-100);
  box-shadow: var(--shadow-xl);
  transform: translateY(-8px);
}

.feature-card:hover::before,
.module-card:hover::before {
  transform: scaleX(1);
}

.feature-card h3,
.module-card h3,
.tutorial-card h3 {
  margin-bottom: 12px;
  transition: color var(--transition-fast);
}

.feature-card:hover h3,
.module-card:hover h3 {
  color: var(--color-primary);
}

.feature-icon,
.module-icon {
  display: grid;
  width: 60px;
  height: 60px;
  margin-bottom: 24px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
  color: var(--color-primary);
  font-weight: 900;
  font-size: 1.25rem;
  transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon,
.module-card:hover .module-icon {
  transform: scale(1.1) rotate(-5deg);
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
}

.feature-card:nth-child(2n) .feature-icon,
.module-card:nth-child(2n) .module-icon {
  background: linear-gradient(135deg, rgba(244, 63, 94, 0.08) 0%, rgba(244, 63, 94, 0.15) 100%);
  color: var(--color-accent);
}

.feature-card:nth-child(2n):hover .feature-icon,
.module-card:nth-child(2n):hover .module-icon {
  box-shadow: var(--shadow-lg), var(--shadow-glow-accent);
}

.feature-card:nth-child(3n) .feature-icon,
.module-card:nth-child(3n) .module-icon {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.08) 0%, rgba(16, 185, 129, 0.15) 100%);
  color: var(--color-success);
}

.feature-card:nth-child(3n):hover .feature-icon,
.module-card:nth-child(3n):hover .module-icon {
  box-shadow: var(--shadow-lg), var(--shadow-glow-success);
}

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

.showcase {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  align-items: center;
}

.showcase__image {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-slow);
}

.showcase__image:hover {
  transform: scale(1.02) rotate(-1deg);
  box-shadow: var(--shadow-2xl);
}

.check-list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  list-style: none;
}

.check-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  color: var(--color-ink-2);
  font-weight: 500;
  line-height: 1.5;
}

.check-list li::before {
  content: "";
  width: 24px;
  height: 24px;
  margin-top: 2px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-light) 100%);
  box-shadow: 0 2px 8px var(--color-success-glow);
}

/* ========================================
   STEPS
   ======================================== */

.steps {
  counter-reset: step;
}

.step-card {
  position: relative;
  padding: 28px;
  background: var(--color-white);
  border: 1px solid var(--color-soft-2);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.step-card:hover {
  border-color: var(--color-primary-100);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.step-card::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  width: 44px;
  height: 44px;
  margin-bottom: 20px;
  place-items: center;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--shadow-md), var(--shadow-glow-blue);
}

/* ========================================
   PRICING
   ======================================== */

.price-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 40px;
  background: linear-gradient(135deg, var(--color-white) 0%, var(--color-primary-50) 100%);
}

.price-panel:hover {
  box-shadow: var(--shadow-xl), var(--shadow-glow-blue);
  transform: translateY(-4px);
}

.price-value {
  color: var(--color-primary);
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.02em;
}

.price-note {
  margin: 12px 0 0;
  color: var(--color-muted);
}

/* ========================================
   FAQ
   ======================================== */

.faq-list {
  display: grid;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  padding: 24px 28px;
}

.faq-item:hover {
  border-color: var(--color-primary-100);
}

.faq-item button {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 0;
  background: transparent;
  color: var(--color-ink);
  padding: 0;
  text-align: left;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-item button:hover {
  color: var(--color-primary);
}

.faq-item p {
  display: none;
  margin: 18px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--color-soft-2);
  line-height: 1.7;
}

.faq-item.is-open p {
  display: block;
  animation: fadeInUp 0.3s var(--ease-out);
}

/* ========================================
   TUTORIALS
   ======================================== */

.tutorial-card {
  overflow: hidden;
  padding: 0;
}

.tutorial-card:hover {
  transform: translateY(-8px);
}

.tutorial-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.tutorial-card:hover img {
  transform: scale(1.08);
}

.tutorial-card__body {
  padding: 24px;
}

.tutorial-type {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-50);
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: all var(--transition-fast);
}

.tutorial-card:hover .tutorial-type {
  background: var(--color-primary-100);
}

/* ========================================
   CONTACT
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 32px;
  align-items: start;
}

.contact-list {
  display: grid;
  gap: 20px;
  list-style: none;
}

.contact-list li {
  padding: 20px;
  background: var(--color-soft);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.contact-list li:hover {
  background: var(--color-primary-50);
  transform: translateX(4px);
}

.contact-list strong {
  display: block;
  margin-bottom: 4px;
  color: var(--color-ink);
  font-weight: 700;
}

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

.footer {
  position: relative;
  background: linear-gradient(180deg, var(--color-ink) 0%, #070a12 100%);
  color: var(--color-white);
  padding: 80px 0 32px;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    var(--color-primary) 25%, 
    var(--color-accent) 50%, 
    var(--color-success) 75%, 
    transparent 100%);
}

.footer::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 300px;
  background: radial-gradient(ellipse, rgba(59, 130, 246, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.footer__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer p,
.footer a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

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

.footer h4 {
  position: relative;
  color: var(--color-white);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 12px;
}

.footer h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 1px;
}

.footer__links {
  display: grid;
  gap: 14px;
  list-style: none;
}

.footer__links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.footer__links a::before {
  content: "";
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-fast);
}

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

.footer__links a:hover::before {
  width: 12px;
}

.footer__bottom {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__bottom p {
  font-size: 0.85rem;
}

/* ========================================
   RESPONSIVE - NAVIGATION & LAYOUT
   ======================================== */

@media (max-width: 1024px) {
  .public-nav__links,
  .public-nav__actions {
    display: none;
  }

  .menu-button {
    display: inline-grid;
    place-items: center;
  }

  .public-nav.is-open .public-nav__links,
  .public-nav.is-open .public-nav__actions {
    position: fixed;
    left: 16px;
    right: 16px;
    display: grid;
    background: var(--color-white);
    border: 1px solid var(--color-soft-2);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    padding: 24px;
    animation: fadeInDown 0.3s var(--ease-out);
  }

  .public-nav.is-open .public-nav__links {
    top: 96px;
  }

  .public-nav.is-open .public-nav__actions {
    top: 360px;
  }

  .showcase,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .price-panel {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
  }

  .hero__content {
    padding: 60px 0;
  }

  .hero__stats {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 48px;
  }

  .hero-stat {
    padding: 16px 0 16px 20px;
  }

  .showcase__image {
    height: 320px;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }

  .footer h4::after {
    left: 50%;
    transform: translateX(-50%);
  }

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

@media (max-width: 480px) {
  .public-nav__inner {
    min-height: 68px;
  }

  .brand {
    font-size: 1.1rem;
    gap: 10px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .hero {
    min-height: 75vh;
  }

  .hero__actions {
    flex-direction: column;
  }
}