/* ============================================
   SAT-ID - Spatial Authentication & Trust Identity
   Theme: White & #003087
   ============================================ */

:root {
  --color-primary: #003087;
  --color-primary-light: #0047ab;
  --color-primary-dark: #002055;
  --color-primary-alpha: rgba(0, 48, 135, 0.08);
  --color-primary-alpha-strong: rgba(0, 48, 135, 0.15);
  --color-white: #ffffff;
  --color-off-white: #f8f9fc;
  --color-text: #1a1a2e;
  --color-text-muted: #4a5568;
  --color-border: #e2e8f0;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1100px;
  --header-height: 72px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0, 48, 135, 0.08);
  --shadow-hover: 0 12px 40px rgba(0, 48, 135, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-white);
  overflow-x: hidden;
}

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

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

a:hover {
  color: var(--color-primary-dark);
}

ul {
  list-style: none;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ========== Header & Navigation ========== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

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

.nav__logo-img {
  height: 100px;
}

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

.nav__link {
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
}

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

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

.nav__toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.nav__toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--header-height) + 3rem) 1.5rem 3rem;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: 
    url('/assets/hero-pattern.svg') center center / cover no-repeat,
    radial-gradient(ellipse 80% 50% at 50% 0%, var(--color-primary-alpha) 0%, transparent 60%),
    linear-gradient(180deg, var(--color-off-white) 0%, var(--color-white) 100%);
  pointer-events: none;
}

.hero__content {
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero__tagline {
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.hero__subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: float 2s ease-in-out infinite;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

@keyframes scrollLine {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.5; transform: scaleY(0.7); }
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

/* ========== Sections ========== */
.section {
  padding: 5rem 0;
}

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

.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.section__lead {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.section__text {
  margin-bottom: 1.5rem;
}

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

/* ========== Highlight Box ========== */
.highlight-box {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  max-width: 800px;
}

.highlight-box__text {
  font-size: 1.15rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.highlight-box__answer {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
}

/* ========== Cards ========== */
.cards {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
}

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

.card {
  background: var(--color-white);
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

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

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.card__icon svg {
  width: 100%;
  height: 100%;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ========== Negatives ========== */
.negatives {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.negative-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--color-off-white);
  border-radius: var(--radius);
  font-weight: 500;
  color: var(--color-text-muted);
}

.negative-item__x {
  color: var(--color-primary);
  font-size: 1.25rem;
  font-weight: 700;
}

/* ========== Identity Cards ========== */
.identity-preview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-bottom: 2rem;
}

.identity-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  transition: all var(--transition);
}

.identity-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.identity-card--human {
  border-color: var(--color-primary);
  background: var(--color-primary-alpha);
}

.identity-card--agent {
  border-color: var(--color-primary-light);
  background: var(--color-primary-alpha);
}

.identity-card__badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 1rem;
  padding: 0.35rem 0.75rem;
  background: var(--color-white);
  border-radius: 6px;
}

.identity-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.identity-card ul {
  padding-left: 0;
}

.identity-card li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.identity-card li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========== Promise Section ========== */
.promise-section {
  padding: 5rem 0;
}

.promise-box {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 3rem;
  border-radius: var(--radius-lg);
  text-align: center;
}

.promise-box__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.promise-box__text {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  font-weight: 500;
}

.promise-box__tagline {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

/* ========== Page Hero ========== */
.page-hero {
  padding: calc(var(--header-height) + 6rem) 0 4rem;
  background: linear-gradient(180deg, var(--color-off-white) 0%, var(--color-white) 100%);
}

.page-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.page-hero__subtitle {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 700px;
}

/* ========== Identity Detail ========== */
.identity-detail {
  display: grid;
  gap: 2rem;
}

.identity-detail__card {
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
}

.identity-detail__card--human {
  border-color: var(--color-primary);
  background: var(--color-primary-alpha);
}

.identity-detail__card--agent {
  border-color: var(--color-primary-light);
  background: var(--color-primary-alpha);
}

.identity-detail__badge {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.identity-detail__card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.identity-detail__list {
  margin-top: 1rem;
}

.identity-detail__list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
}

.identity-detail__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ========== Persistence Grid ========== */
.persistence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.persistence-item {
  text-align: center;
  padding: 2rem 1rem;
  background: var(--color-white);
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
  transition: all var(--transition);
}

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

.persistence-item__icon {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.persistence-item h3 {
  font-size: 1rem;
  color: var(--color-text);
}

/* ========== Layers ========== */
.layers {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.layer {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  padding: 2rem;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  transition: all var(--transition);
}

.layer:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.layer__number {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  border-radius: var(--radius);
}

.layer h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.layer p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ========== Ministry Grid ========== */
.ministry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.ministry-card {
  padding: 1.25rem;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  color: var(--color-primary);
  text-align: center;
  transition: all var(--transition);
}

.ministry-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.ministry-benefits {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.benefit h4 {
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.benefit ul li {
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
  position: relative;
}

.benefit ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========== Governance ========== */
.governance-list {
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

.governance-list li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.governance-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.principle-card {
  padding: 1.5rem;
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
}

.principle-card:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.principle-card h4 {
  font-size: 0.95rem;
}

/* ========== Decision Grid ========== */
.decision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.decision-card {
  padding: 2rem;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
}

.decision-card--now {
  border-color: var(--color-primary);
  background: var(--color-primary-alpha);
}

.decision-card--later {
  background: var(--color-white);
}

.decision-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.decision-card ul li {
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
  position: relative;
}

.decision-card ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========== Timeline ========== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.timeline__item {
  padding: 2rem;
  background: var(--color-white);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.timeline__item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-hover);
}

.timeline__period {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.timeline__item h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.timeline__item ul li {
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
  position: relative;
}

.timeline__item ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========== Funding ========== */
.funding-box {
  padding: 2rem;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  margin-bottom: 2rem;
}

.funding-box h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.funding-box p {
  margin-bottom: 0.5rem;
}

.donor-list {
  margin: 1.5rem 0;
}

.donor-list li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.donor-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

/* ========== AfDB ========== */
.afdb-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.afdb-card {
  padding: 2rem;
  background: var(--color-off-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.afdb-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.afdb-card h4 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.afdb-card ul li {
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
  position: relative;
}

.afdb-card ul li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

/* ========== FAQ ========== */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.faq-item {
  padding: 2rem;
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-primary);
  transition: all var(--transition);
}

.faq-item:hover {
  background: var(--color-primary-alpha);
  transform: translateX(4px);
}

.faq-item__objection {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.faq-item__response {
  color: var(--color-text);
}

/* ========== Comparison ========== */
.comparison-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.comparison-card {
  padding: 2rem;
  background: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.comparison-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.comparison-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.comparison-card ul li {
  padding-left: 1.25rem;
  margin-bottom: 0.35rem;
  position: relative;
  font-size: 0.95rem;
}

.comparison-card ul li::before {
  content: '×';
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

/* ========== Differentiators ========== */
.differentiators {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.differentiator {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-primary-alpha);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.differentiator:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-4px);
}

.differentiator__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: 700;
}

.differentiator:hover .differentiator__icon {
  background: var(--color-white);
  color: var(--color-primary);
}

/* ========== Footer ========== */
.footer {
  padding: 3rem 0 2rem;
  background: var(--color-primary);
  color: var(--color-white);
}

.footer__content {
  text-align: center;
  margin-bottom: 2rem;
}

.footer__logo {
  display: inline-block;
  margin-bottom: 0.5rem;
}

.footer__logo-img {
  height: 100px;
}

.footer__tagline {
  font-size: 0.9rem;
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.footer__nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.footer__nav a {
  color: rgba(255, 255, 255, 0.9);
}

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

.footer__copy {
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.8;
}

/* ========== Animations ========== */
.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.8s var(--transition-slow) forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s var(--transition-slow), transform 0.6s var(--transition-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .animate-fade-up,
  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}

/* ========== Mobile Responsive ========== */
@media (max-width: 900px) {
  .nav__menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background: var(--color-white);
    flex-direction: column;
    justify-content: flex-start;
    padding: 2rem;
    gap: 0;
    box-shadow: var(--shadow);
    transition: left var(--transition);
    z-index: 999;
  }

  .nav__menu.show {
    left: 0;
  }

  .nav__menu li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav__link {
    display: block;
    padding: 1rem 0;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__title {
    font-size: 2rem;
  }

  .cards--2,
  .identity-preview,
  .ministry-benefits,
  .decision-grid,
  .afdb-grid,
  .persistence-grid {
    grid-template-columns: 1fr;
  }

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

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

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

  .layer {
    flex-direction: column;
    gap: 1rem;
  }

  .negatives {
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  :root {
    --header-height: 64px;
  }

  body {
    font-size: 16px;
  }

  .section {
    padding: 3rem 0;
  }

  .hero {
    min-height: 65vh;
    padding: calc(var(--header-height) + 3rem) 1rem 3rem;
  }

  .hero__title {
    font-size: 1.75rem;
  }

  .highlight-box {
    padding: 1.5rem;
  }

  .identity-card,
  .identity-detail__card,
  .promise-box {
    padding: 1.5rem;
  }

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

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

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

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

  .footer__nav {
    flex-direction: column;
    gap: 1rem;
  }
}