/* ============================================
   PACBEL LANDING PAGE - STYLES
   ============================================ */

/* === Skip Link === */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 10000;
  transition: top 0.3s;
}
.skip-link:focus {
  top: 0;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #0f2b46;
  --color-primary-dark: #0a1f33;
  --color-primary-light: #1a4b7a;
  --color-secondary: #10b981;
  --color-secondary-dark: #059669;
  --color-accent: #3b82f6;
  --color-dark: #0f2b46;
  --color-dark-lighter: #1a4b7a;
  --color-dark-card: #0a1f33;
  --color-text: #e2e8f0;
  --color-text-muted: #94a3b8;
  --color-white: #ffffff;
  --color-border: rgba(26, 75, 122, 0.3);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1200px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 40px rgba(16, 185, 129, 0.15);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

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

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

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

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: 16px;
  color: var(--color-white);
}

.section-title--left {
  text-align: left;
}

.section-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary-light);
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.highlight {
  color: var(--color-primary-light);
}

.highlight-green {
  color: var(--color-secondary);
}

.link--highlight {
  color: var(--color-primary-light);
  text-decoration: underline;
  transition: color var(--transition);
}

.link--highlight:hover {
  color: var(--color-white);
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
}

.btn--secondary {
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-dark));
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(16, 185, 129, 0.4);
}

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

.btn--outline:hover {
  border-color: var(--color-primary);
  background: rgba(124, 58, 237, 0.1);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid rgba(255,255,255,0.15);
}

.btn--ghost:hover {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
}

.btn--large {
  padding: 18px 40px;
  font-size: 1.125rem;
}

.btn--full {
  width: 100%;
}

/* === Header === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}

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

.header__logo img {
  height: 40px;
  width: auto;
}

.header__nav-list {
  display: flex;
  gap: 32px;
}

.header__nav-list a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

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

.header__cta {
  padding: 10px 24px;
  font-size: 0.875rem;
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.header__menu-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition);
}

/* === Hero === */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(124, 58, 237, 0.15), transparent 70%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-white);
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

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

.hero__image {
  position: relative;
}

.hero__image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
}

.hero__integrations {
  margin-top: 80px;
  text-align: center;
}

.hero__integrations-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  opacity: 0.6;
}

.hero__logos img {
  height: 32px;
  width: auto;
}

/* === Benefits === */
.benefits {
  padding: 100px 0;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.benefit-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
  text-align: center;
  transition: all var(--transition);
}

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

.benefit-card__icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.benefit-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-white);
}

.benefit-card__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Stats === */
.stats {
  padding: 60px 0;
  background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-lighter) 100%);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stat-card {
  text-align: center;
  padding: 32px;
}

.stat-card__number {
  display: block;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-primary-light);
  margin-bottom: 8px;
}

.stat-card__text {
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* === How It Works === */
.how-it-works {
  padding: 100px 0;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.step {
  text-align: center;
  padding: 32px;
  position: relative;
}

.step__icon {
  margin-bottom: 20px;
}

.step__icon img {
  margin: 0 auto;
}

.step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

.step__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-white);
}

.step__text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.steps__cta {
  text-align: center;
  margin-top: 48px;
}

/* === CTA Highlight === */
.cta-highlight {
  padding: 100px 0;
  background: linear-gradient(135deg, var(--color-dark-lighter) 0%, var(--color-dark) 100%);
  position: relative;
  overflow: hidden;
}

.cta-highlight::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1), transparent 70%);
  transform: translateY(-50%);
  pointer-events: none;
}

.cta-highlight__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.cta-highlight__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  color: var(--color-white);
}

.cta-highlight__text {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.7;
}

.cta-highlight__badge {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--color-secondary);
  font-weight: 600;
}

.cta-highlight__visual img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

/* === About Product === */
.about-product {
  padding: 100px 0;
}

.about-product__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-product__visual img {
  border-radius: var(--radius-lg);
}

.about-product__text {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}

.about-product__features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.about-product__features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-text);
}

/* === Solutions === */
.solutions {
  padding: 100px 0;
  background: var(--color-dark-lighter);
}

.solutions__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.solution-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px;
  transition: all var(--transition);
}

.solution-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.solution-card img {
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-dark);
}

.solution-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-white);
}

.solution-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* === Pricing === */
.pricing {
  padding: 100px 0;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  align-items: stretch;
}

.pricing-card {
  background: var(--color-dark-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition);
}

.pricing-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.pricing-card--featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: scale(1.05);
}

.pricing-card--featured:hover {
  transform: scale(1.05) translateY(-4px);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pricing-card__header {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}

.pricing-card__name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 16px;
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.pricing-card__currency {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.pricing-card__value {
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-white);
}

.pricing-card__period {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.pricing-card__features {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}

.pricing-card__features li {
  font-size: 0.9375rem;
  color: var(--color-text);
  padding-left: 24px;
  position: relative;
}

.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

/* === FAQ === */
.faq {
  padding: 100px 0;
  background: var(--color-dark-lighter);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq__item {
  background: var(--color-dark-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.faq__item[open] {
  border-color: var(--color-primary);
}

.faq__question {
  padding: 24px 32px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq__question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary-light);
  transition: transform var(--transition);
}

.faq__item[open] .faq__question::after {
  transform: rotate(45deg);
}

.faq__answer {
  padding: 0 32px 24px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.faq__answer a {
  color: var(--color-primary-light);
  text-decoration: underline;
}

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

/* === Footer === */
.footer {
  padding: 80px 0 0;
  background: var(--color-dark);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 60px;
}

.footer__brand img {
  height: 40px;
  width: auto;
  margin-bottom: 16px;
}

.footer__tagline {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.footer__tagline a {
  color: var(--color-primary-light);
  text-decoration: underline;
}

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

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.footer__col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-white);
  margin-bottom: 20px;
}

.footer__col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__col a {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

.footer__bottom {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* === Responsive === */
@media (max-width: 1024px) {
  .hero__inner,
  .cta-highlight__inner,
  .about-product__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero__image {
    order: -1;
  }

  .benefits__grid,
  .stats__grid,
  .steps,
  .pricing__grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-card--featured {
    transform: none;
  }

  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }
}

@media (max-width: 768px) {
  .header__nav,
  .header__actions {
    display: none;
  }

  .header__menu-toggle {
    display: flex;
  }

  .header.nav-open .header__nav {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
  }

  .header.nav-open .header__nav-list {
    flex-direction: column;
    gap: 16px;
  }

  .header.nav-open .header__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-dark);
    padding: 0 24px 24px;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero__logos {
    gap: 24px;
  }

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

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .section-title {
    font-size: 1.75rem;
  }
}