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

:root {
  --navy: #1B2A4A;
  --navy-light: #243556;
  --slate: #475569;
  --slate-light: #64748B;
  --gray-100: #F8FAFC;
  --gray-200: #F1F5F9;
  --gray-300: #E2E8F0;
  --gray-400: #CBD5E1;
  --gray-500: #94A3B8;
  --gray-700: #334155;
  --white: #FFFFFF;
  --green: #16A34A;
  --green-light: #DCFCE7;
  --amber: #D97706;
  --amber-light: #FEF3C7;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-serif: 'Source Serif 4', Georgia, serif;

  --container: 1200px;
  --section-py: 100px;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.04);
  --transition: 0.25s ease;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--slate);
  background-color: var(--white);
}

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

a:hover {
  color: var(--slate-light);
}

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

ul, ol {
  list-style: none;
}

/* ===== Container ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  color: var(--navy);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.text--lg {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gray-700);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  gap: 8px;
  white-space: nowrap;
}

.btn--sm {
  padding: 10px 20px;
  font-size: 0.875rem;
}

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

.btn--primary:hover {
  background: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--gray-300);
}

.btn--outline:hover {
  border-color: var(--navy);
  background: var(--gray-100);
  color: var(--navy);
  transform: translateY(-1px);
}

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

.btn--white:hover {
  background: var(--gray-100);
  border-color: var(--gray-100);
  color: var(--navy);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.35);
}

.btn--outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  transform: translateY(-1px);
}

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

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.nav--scrolled {
  border-bottom-color: var(--gray-200);
  box-shadow: 0 1px 8px rgba(0,0,0,0.04);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
}

.nav__logo:hover {
  color: var(--navy);
}

.nav__logo-icon {
  flex-shrink: 0;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--slate);
}

.nav__links a:hover {
  color: var(--navy);
}

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

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

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
  padding: 160px 0 100px;
  background: linear-gradient(180deg, var(--gray-100) 0%, var(--white) 100%);
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-light);
  margin-bottom: 16px;
}

.hero__title {
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--slate);
  margin-bottom: 36px;
  max-width: 520px;
}

.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.hero__support {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* Hero Visual Card */
.hero__visual {
  display: flex;
  justify-content: flex-end;
}

.hero__card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
}

.hero__card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--gray-200);
}

.hero__card-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.hero__card-dot--green {
  background: var(--green);
}

.hero__card-title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-light);
}

.hero__card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}

.hero__card-label {
  font-size: 0.875rem;
  color: var(--slate);
}

.hero__card-value {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
}

.hero__card-value--green {
  color: var(--green);
}

.hero__card-value--amber {
  color: var(--amber);
}

.hero__card-badge {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--green-light);
  color: var(--green);
  padding: 4px 12px;
  border-radius: 20px;
}

.hero__card-bar {
  margin-top: 20px;
  height: 6px;
  background: var(--gray-200);
  border-radius: 3px;
  overflow: hidden;
}

.hero__card-bar-fill {
  height: 100%;
  background: var(--navy);
  border-radius: 3px;
  transition: width 1.5s ease;
}

.hero__card-bar-label {
  display: block;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--gray-500);
  text-align: right;
}

/* ===== Sections ===== */
.section {
  padding: var(--section-py) 0;
}

.section--light {
  background: var(--gray-100);
}

.section--dark {
  background: var(--navy);
}

.section__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate-light);
  margin-bottom: 12px;
}

.section__label--light {
  color: var(--gray-400);
}

.section__title {
  margin-bottom: 16px;
}

.section__title--light {
  color: var(--white);
}

.section__desc {
  font-size: 1.0625rem;
  color: var(--slate);
  max-width: 600px;
}

.section__desc--light {
  color: var(--gray-400);
}

.section__header {
  margin-bottom: 60px;
}

.section__header--center {
  text-align: center;
}

.section__header--center .section__desc {
  margin-left: auto;
  margin-right: auto;
}

/* ===== Two Column Layout ===== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.two-col__right p {
  margin-bottom: 16px;
  color: var(--slate);
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.pillar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  padding: 12px 16px;
  background: var(--gray-100);
  border-radius: var(--radius-xs);
}

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.service-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--navy);
  margin-bottom: 20px;
}

.service-card__title {
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.9375rem;
  color: var(--slate);
  line-height: 1.65;
}

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-step {
  position: relative;
  text-align: center;
  padding: 40px 24px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.process-step:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.18);
}

.process-step__number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-400);
  margin-bottom: 16px;
  font-family: var(--font-serif);
}

.process-step__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.process-step__desc {
  font-size: 0.9375rem;
  color: var(--gray-400);
  line-height: 1.6;
}

.process-step__connector {
  display: none;
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%);
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--gray-500);
  border-top: 2px solid var(--gray-500);
  transform: translateY(-50%) rotate(45deg);
}

@media (min-width: 769px) {
  .process-step__connector {
    display: block;
  }
}

/* ===== Benefits ===== */
.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--navy);
}

.benefit-item__icon {
  flex-shrink: 0;
}

/* ===== Stats ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
}

.stat-card__number {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.stat-card__label {
  font-size: 0.9375rem;
  color: var(--slate);
}

/* ===== Audience ===== */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.audience-card {
  padding: 32px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  background: var(--white);
  transition: all var(--transition);
}

.audience-card:hover {
  border-color: var(--gray-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.audience-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--navy);
  margin-bottom: 20px;
}

.audience-card__title {
  margin-bottom: 8px;
}

.audience-card__desc {
  font-size: 0.9375rem;
  color: var(--slate);
}

/* ===== Testimonials ===== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
}

.testimonial-card__stars {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
}

.testimonial-card__quote {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 24px;
  flex: 1;
  font-style: normal;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--gray-200);
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  flex-shrink: 0;
}

.testimonial-card__name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

.testimonial-card__role {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 36px 32px;
  position: relative;
  transition: all var(--transition);
}

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

.pricing-card--featured {
  border-color: var(--navy);
  box-shadow: var(--shadow-lg);
}

.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 16px;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-card__header {
  margin-bottom: 16px;
}

.pricing-card__title {
  font-size: 1.25rem;
  margin-bottom: 4px;
}

.pricing-card__price {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--slate-light);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.pricing-card__desc {
  font-size: 0.9375rem;
  color: var(--slate);
  margin-bottom: 24px;
  line-height: 1.6;
}

.pricing-card__features {
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--gray-700);
}

.pricing-card__features li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background: var(--navy);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='currentColor'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z' clip-rule='evenodd'/%3E%3C/svg%3E") center / contain no-repeat;
}

/* ===== FAQ ===== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.faq-item:first-child {
  border-top: 1px solid var(--gray-200);
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  cursor: pointer;
  list-style: none;
  gap: 16px;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__chevron {
  flex-shrink: 0;
  transition: transform var(--transition);
  color: var(--slate-light);
}

.faq-item[open] .faq-item__chevron {
  transform: rotate(180deg);
}

.faq-item__answer {
  padding-bottom: 20px;
}

.faq-item__answer p {
  font-size: 0.9375rem;
  color: var(--slate);
  line-height: 1.7;
}

/* ===== CTA Section ===== */
.section--cta {
  background: var(--navy);
  padding: var(--section-py) 0;
}

.cta-block {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}

.cta-block__title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: var(--white);
  margin-bottom: 16px;
}

.cta-block__desc {
  font-size: 1.0625rem;
  color: var(--gray-400);
  margin-bottom: 36px;
}

.cta-block__buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.footer {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 64px 0 32px;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer__brand {
  max-width: 300px;
}

.footer__brand .nav__logo {
  margin-bottom: 12px;
}

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

.footer__heading {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-light);
  margin-bottom: 16px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links a {
  font-size: 0.9375rem;
  color: var(--slate);
}

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

.footer__bottom {
  padding-top: 24px;
  border-top: 1px solid var(--gray-200);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --section-py: 80px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero__visual {
    justify-content: center;
  }

  .hero__card {
    max-width: 480px;
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid,
  .audience-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

  .process-step__connector {
    display: none !important;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-py: 64px;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 0;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-md);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__links li {
    width: 100%;
  }

  .nav__links a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-100);
  }

  .nav__links li:last-child a {
    border-bottom: none;
    margin-top: 12px;
    text-align: center;
  }

  .nav__toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 64px;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__ctas {
    flex-direction: column;
  }

  .hero__ctas .btn {
    width: 100%;
  }

  .services-grid,
  .audience-grid,
  .testimonials-grid,
  .pricing-grid,
  .stats-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

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

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

  .cta-block__buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-block__buttons .btn {
    width: 100%;
    max-width: 320px;
  }
}