@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@300;400;500;600;700&display=swap');

:root {
  --bg: #fafbfd;
  --white: #ffffff;
  --cream: #f8f9fc;
  --platinum: #e8edf5;
  --silver: #d0d8e8;
  --charcoal: #1a1d24;
  --graphite: #2d3340;
  --slate: #5a6275;
  --mist: #8892a4;
  --diamond: linear-gradient(135deg, #ffffff 0%, #f0f4ff 25%, #ffffff 50%, #e8f0ff 75%, #ffffff 100%);
  --glass: rgba(255, 255, 255, 0.85);
  --glass-strong: rgba(255, 255, 255, 0.95);
  --border-light: rgba(200, 210, 230, 0.4);
  --border-medium: rgba(180, 195, 220, 0.5);
  --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
  --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.08);
  --shadow-glow: 0 0 60px rgba(200, 215, 245, 0.4);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  color: var(--charcoal);
  background: var(--bg);
  line-height: 1.75;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

main {
  padding-top: 110px;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.container {
  width: min(1320px, 92%);
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════ */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-light);
  z-index: 1000;
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  gap: 40px;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal);
}

.tagline {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--silver);
  background: transparent;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--charcoal);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav a {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--graphite);
  text-decoration: none;
  position: relative;
  padding: 8px 0;
  transition: color var(--transition);
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--charcoal);
  transition: width var(--transition);
}

.nav a:hover {
  color: var(--charcoal);
}

.nav a:hover::after {
  width: 100%;
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--white);
  background: var(--charcoal);
  border: 1px solid var(--charcoal);
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition);
}

.cta:hover {
  background: transparent;
  color: var(--charcoal);
}

.ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--charcoal);
  background: transparent;
  border: 1px solid var(--silver);
  border-radius: 0;
  cursor: pointer;
  transition: var(--transition);
}

.ghost:hover {
  border-color: var(--charcoal);
}

/* ═══════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════ */

.page-glow {
  display: none;
}

.hero {
  padding: 180px 0 120px;
  background: var(--diamond);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(230, 240, 255, 0.5) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver), transparent);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 580px;
}

.eyebrow {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--silver);
}

.hero-copy h1 {
  font-size: clamp(2.8rem, 5vw, 4rem);
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 28px;
  line-height: 1.15;
}

.lead {
  font-size: 1.05rem;
  font-weight: 400;
  line-height: 1.9;
  color: var(--slate);
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.micro {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--mist);
  padding-top: 24px;
  border-top: 1px solid var(--platinum);
}

.hero-card {
  background: var(--glass-strong);
  border: 1px solid var(--border-light);
  padding: 48px;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.hero-card h2 {
  font-size: 1.1rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--charcoal);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--platinum);
}

.preview {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.preview > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--platinum);
}

.preview > div:last-child {
  border-bottom: none;
}

.label {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.value {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--charcoal);
}

.note {
  font-size: 0.8rem;
  color: var(--mist);
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--platinum);
}

.glass {
  background: var(--glass-strong);
  border: 1px solid var(--border-light);
  border-radius: 0;
  box-shadow: var(--shadow-md);
}

/* ═══════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════ */

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 400;
  color: var(--charcoal);
  margin-bottom: 20px;
}

.section-header p {
  font-size: 1rem;
  font-weight: 400;
  color: var(--slate);
  max-width: 600px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════════════════════
   CALCULATOR
   ═══════════════════════════════════════════════════════════ */

.calculator-section {
  padding: 120px 0;
  background: var(--white);
  position: relative;
}

.calculator-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--silver), transparent);
}

.calculator {
  max-width: 900px;
  margin: 0 auto;
  padding: 60px;
  background: var(--cream);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
}

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

label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--slate);
}

input,
select {
  padding: 16px 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--charcoal);
  background: var(--white);
  border: 1px solid var(--silver);
  border-radius: 0;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--charcoal);
  box-shadow: 0 0 0 3px rgba(26, 29, 36, 0.05);
}

input::placeholder {
  color: var(--mist);
}

.actions {
  display: flex;
  gap: 16px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--platinum);
}

.result {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
  padding-top: 48px;
  border-top: 1px solid var(--platinum);
}

.result-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--border-light);
  text-align: center;
}

.result-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 16px;
}

.result-value {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-size: 2.2rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 12px;
}

.result-note {
  font-size: 0.8rem;
  color: var(--mist);
}

/* ═══════════════════════════════════════════════════════════
   INSIGHTS
   ═══════════════════════════════════════════════════════════ */

.insights {
  padding: 120px 0;
  background: var(--cream);
}

.insight-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.insight-card {
  padding: 40px 32px;
  background: var(--white);
  border: 1px solid var(--border-light);
  text-align: center;
  transition: var(--transition);
}

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

.insight-card h3 {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 16px;
}

.insight-card p {
  font-size: 0.9rem;
  color: var(--slate);
  line-height: 1.8;
}

/* ═══════════════════════════════════════════════════════════
   BLOG
   ═══════════════════════════════════════════════════════════ */

.blog {
  padding: 120px 0;
  background: var(--white);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.blog-card {
  padding: 32px;
  background: var(--cream);
  border: 1px solid var(--border-light);
  transition: var(--transition);
}

.blog-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
}

.blog-card h3 {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  font-size: 0.85rem;
  color: var(--slate);
  line-height: 1.75;
}

/* ═══════════════════════════════════════════════════════════
   FAQ
   ═══════════════════════════════════════════════════════════ */

.faq {
  padding: 120px 0;
  background: var(--cream);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.faq-item {
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--border-light);
}

.faq-item h3 {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--charcoal);
  margin-bottom: 16px;
}

.faq-item p {
  font-size: 0.95rem;
  color: var(--slate);
  line-height: 1.8;
}

/* ═══════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════ */

.site-footer {
  background: var(--charcoal);
  color: var(--white);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.site-footer .logo {
  color: var(--white);
  margin-bottom: 16px;
}

.site-footer p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.site-footer h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 24px;
}

.site-footer a {
  display: block;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  margin-bottom: 12px;
  transition: color var(--transition);
}

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

.site-footer a::after {
  display: none;
}

.legal {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 40px;
  flex-wrap: wrap;
  gap: 16px;
}

.legal p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════ */

@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }

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

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

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

@media (min-width: 769px) {
  .nav {
    position: static;
    max-height: none;
    opacity: 1;
    padding: 0;
    overflow: visible;
    background: transparent;
    border: none;
    box-shadow: none;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 20px;
    position: relative;
  }

  .brand {
    flex: 1;
  }

  .menu-toggle {
    display: flex;
    order: 3;
  }

  .header-inner > .cta {
    display: none;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-light);
    padding: 0;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    box-shadow: var(--shadow-md);
  }

  .nav.is-open {
    max-height: 500px;
    opacity: 1;
    padding: 20px 0;
  }

  .nav a {
    padding: 16px 24px;
    font-size: 0.75rem;
    border-bottom: 1px solid var(--platinum);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav a::after {
    display: none;
  }

  main {
    padding-top: 150px;
  }

  .hero {
    padding: 140px 0 80px;
  }

  .hero-copy h1 {
    font-size: 2.4rem;
  }

  .calculator {
    padding: 40px 24px;
  }

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

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

  .insight-grid,
  .blog-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .calculator-section,
  .insights,
  .blog,
  .faq {
    padding: 80px 0;
  }

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

@media (max-width: 600px) {
  .header-inner {
    padding: 16px 0;
  }

  .logo {
    font-size: 1.35rem;
    letter-spacing: 0.06em;
  }

  .nav a {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
  }

  .hero {
    padding: 150px 0 70px;
  }

  .hero-card {
    padding: 32px;
  }

  .preview > div {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .hero-actions,
  .actions {
    flex-direction: column;
    width: 100%;
  }

  .cta,
  .ghost {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
    letter-spacing: 0.05em;
  }

  main {
    padding-top: 90px;
  }

  .hero-copy h1 {
    font-size: 2.1rem;
  }

  .lead {
    font-size: 0.98rem;
  }

  .calculator {
    padding: 32px 18px;
  }

  .result-card {
    padding: 24px;
  }

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