.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  width: 100%;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 241, 229, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  position: relative;
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 800;
  text-decoration: none;
  direction: ltr;
  flex-shrink: 0;
}

.brand img {
  width: 40px;
  height: 40px;
}

.brand-ar {
  color: var(--mint-dark);
  font-weight: 700;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.primary-nav a {
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
}

.header-actions,
.language-switch {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.language-switch {
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
}

.language-switch button {
  min-width: 44px;
  padding: 6px 10px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.language-switch button[aria-pressed="true"] {
  background: var(--ink);
  color: white;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
  cursor: pointer;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-block: 88px 70px;
}

.hero::after {
  position: absolute;
  top: 10%;
  right: -7rem;
  width: 24rem;
  height: 24rem;
  border: 1px solid rgba(8, 33, 42, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 3rem rgba(255, 207, 90, 0.08),
    0 0 0 7rem rgba(22, 184, 144, 0.05);
  content: "";
}

[dir="rtl"] .hero::after {
  right: auto;
  left: -7rem;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
  gap: 48px;
  align-items: end;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 720px;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.hero-copy,
.proof-card,
.calculator-card,
.section-heading > * {
  min-width: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  transform: translateY(-1px);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
}

.proof-card {
  padding: 26px;
  border: 1px solid rgba(8, 33, 42, 0.12);
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: white;
  box-shadow: var(--shadow);
}

.proof-card .metric {
  display: block;
  margin-bottom: 6px;
  color: var(--sun);
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.proof-card p {
  margin-bottom: 22px;
  color: rgba(255, 255, 255, 0.78);
  overflow-wrap: anywhere;
}

.proof-card a {
  color: var(--sun);
  font-size: 0.85rem;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--line);
}

.trust-item {
  padding: 20px 24px;
  background: var(--white);
}

.trust-item strong {
  display: block;
  margin-bottom: 4px;
}

.trust-item span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.calculator-card {
  position: relative;
  overflow: hidden;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 12px 30px rgba(8, 33, 42, 0.06);
}

.calculator-card::before {
  position: absolute;
  top: 0;
  inset-inline-start: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--mint), var(--sun));
  content: "";
}

.calculator-card > p {
  max-width: 590px;
  color: var(--ink-soft);
  overflow-wrap: anywhere;
}

.calculator-card form {
  display: grid;
  gap: 16px;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.check-field {
  font-size: 0.86rem;
  font-weight: 700;
}

.field small {
  color: var(--ink-soft);
  font-size: 0.76rem;
}

.field input,
.field select {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid rgba(8, 33, 42, 0.22);
  border-radius: 12px;
  background: white;
  color: var(--ink);
}

.check-field {
  display: flex;
  align-items: center;
  gap: 9px;
}

.check-field input {
  width: 18px;
  height: 18px;
  accent-color: var(--mint-dark);
}

.result {
  margin-top: 2px;
  padding: 18px;
  border: 1px solid rgba(22, 184, 144, 0.28);
  border-radius: var(--radius-sm);
  background: rgba(22, 184, 144, 0.08);
}

.result-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-block: 7px;
  border-bottom: 1px solid rgba(8, 33, 42, 0.1);
}

.result-row:last-of-type {
  border-bottom: 0;
}

.result-row span {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.result-row strong {
  text-align: end;
}

.result-note,
.error-message {
  margin: 10px 0 0;
  font-size: 0.8rem;
}

.error-message {
  color: #9b2f1d;
  font-weight: 700;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  display: flex;
  min-height: 250px;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  text-decoration: none;
  transition: 160ms ease;
}

.guide-card:hover {
  border-color: var(--mint);
  transform: translateY(-3px);
}

.guide-card span {
  color: var(--mint-dark);
  font-size: 0.82rem;
  font-weight: 750;
}

.guide-card p {
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.source-band {
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: white;
}

.source-band-inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 40px;
  padding: 46px;
}

.source-band h2 {
  font-size: clamp(2.1rem, 4vw, 3.8rem);
}

.source-list {
  display: grid;
  gap: 12px;
  align-content: start;
}

.source-list a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: white;
  text-decoration: none;
}

.source-list a::after {
  color: var(--sun);
  content: "↗";
}

[dir="rtl"] .source-list a::after {
  content: "↖";
}

.site-footer {
  padding-block: 40px;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

.methodology-main,
.guide-main {
  padding-block: 70px 100px;
}

.prose {
  max-width: 820px;
}

.prose h1 {
  font-size: clamp(2.8rem, 6vw, 5.5rem);
}

.prose h2 {
  margin-top: 48px;
  font-size: 2rem;
}

.prose h3 {
  margin-top: 32px;
}

.prose p,
.prose li {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.prose a {
  color: var(--mint-dark);
  font-weight: 700;
}