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

:root {
  --snow: #f8f7f4;
  --white: #ffffff;
  --slate: #2c3338;
  --slate-light: #5a6570;
  --alpine: #4a6fa5;
  --alpine-dark: #3d5a80;
  --accent: #8b7355;
  --border: rgba(44, 51, 56, 0.1);
  --shadow: 0 4px 24px rgba(44, 51, 56, 0.06);
  --radius: 12px;
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'DM Sans', system-ui, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 17px;
}

body {
  font-family: var(--font-sans);
  color: var(--slate);
  background: var(--snow);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container.narrow { max-width: 720px; }

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(248, 247, 244, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--slate);
  text-decoration: none;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--slate-light);
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--alpine-dark); }

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 100%, rgba(74, 111, 165, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, var(--white) 0%, var(--snow) 100%);
}

.hero-content {
  position: relative;
  text-align: center;
  max-width: 680px;
}

.hero-tag {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--alpine);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.75rem, 7vw, 4.5rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--slate);
  margin-bottom: 1.5rem;
}

.hero-lead {
  font-size: 1.05rem;
  color: var(--slate-light);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero-lead em { font-style: italic; color: var(--slate); }

.hero-cta {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--slate);
  color: var(--white);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s;
}

.hero-cta:hover {
  background: var(--alpine-dark);
  transform: translateY(-1px);
}

.hero-star {
  position: absolute;
  top: 18%;
  right: 12%;
  font-size: 4rem;
  color: rgba(74, 111, 165, 0.15);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(8deg); }
}

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

.section-alt {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--alpine);
  margin-bottom: 0.75rem;
}

.section h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 600;
  margin-bottom: 2rem;
  line-height: 1.2;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--slate-light);
  max-width: 640px;
  margin: -1rem 0 2.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.prose p { margin-bottom: 1rem; color: var(--slate-light); }
.prose h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: 1.5rem 0 0.75rem;
  color: var(--slate);
}
.prose ul, .prose ol { margin-left: 1.25rem; color: var(--slate-light); }
.prose li { margin-bottom: 0.4rem; }

/* Cards */
.card-highlight {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.card-highlight h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
}

.pillar-list { list-style: none; }
.pillar-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  color: var(--slate-light);
}
.pillar-list li:last-child { border-bottom: none; }
.pillar-icon { font-size: 1.1rem; flex-shrink: 0; }

/* Spec grid */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.spec-card {
  background: var(--snow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: box-shadow 0.2s;
}

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

.spec-num {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: rgba(74, 111, 165, 0.25);
  margin-bottom: 0.5rem;
}

.spec-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
}

.spec-card > p {
  font-size: 0.92rem;
  color: var(--slate-light);
  margin-bottom: 1rem;
}

.spec-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  font-size: 0.85rem;
}

.spec-dl dt {
  font-weight: 600;
  color: var(--slate);
}

.spec-dl dd { color: var(--slate-light); }

.mix-list { list-style: none; }
.mix-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.4rem 0;
  font-size: 0.9rem;
  color: var(--slate-light);
  border-bottom: 1px solid var(--border);
}
.mix-list span { font-weight: 600; color: var(--alpine-dark); }

/* Note box */
.note-box {
  background: linear-gradient(135deg, rgba(74, 111, 165, 0.08) 0%, rgba(74, 111, 165, 0.03) 100%);
  border-left: 3px solid var(--alpine);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.75rem;
}

.note-box h4 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.note-box p { font-size: 0.92rem; color: var(--slate-light); }

.steps { margin-top: 0.5rem; }
.steps li { margin-bottom: 0.5rem; }

/* Compare */
.compare-block { margin-top: 3rem; }
.compare-block h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}
.compare-intro {
  color: var(--slate-light);
  font-size: 0.95rem;
  margin-bottom: 1.25rem;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.compare-table th,
.compare-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.compare-table th {
  font-weight: 600;
  color: var(--slate);
  background: var(--white);
}

.compare-table td { color: var(--slate-light); }
.compare-table tr:hover td { background: rgba(74, 111, 165, 0.03); }

/* Phase cards */
.phase-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.phase-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.phase-time {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--alpine);
  margin-bottom: 0.5rem;
}

.phase-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.phase-card p { font-size: 0.85rem; color: var(--slate-light); }

/* Details */
.details-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
}

.details-block summary {
  padding: 1.25rem 1.5rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.details-block summary::after {
  content: '+';
  font-size: 1.25rem;
  color: var(--alpine);
  transition: transform 0.2s;
}

.details-block[open] summary::after { transform: rotate(45deg); }

.details-content {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--border);
}

/* Cycles */
.cycle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.cycle-card {
  border-radius: var(--radius);
  padding: 2rem;
  border: 1px solid var(--border);
}

.cycle-summer {
  background: linear-gradient(160deg, rgba(255, 250, 240, 0.8) 0%, var(--white) 100%);
}

.cycle-winter {
  background: linear-gradient(160deg, rgba(74, 111, 165, 0.06) 0%, var(--white) 100%);
}

.cycle-card h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  margin-bottom: 1rem;
}

.cycle-card ul { list-style: none; }
.cycle-card li {
  padding: 0.45rem 0;
  font-size: 0.92rem;
  color: var(--slate-light);
  border-bottom: 1px solid var(--border);
}
.cycle-card li:last-child { border-bottom: none; }

.humidity-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.humidity-box h3 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.humidity-box p { font-size: 0.92rem; color: var(--slate-light); }

/* Gear */
.gear-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.gear-item {
  background: var(--snow);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.gear-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.gear-item p {
  font-size: 0.85rem;
  color: var(--slate-light);
  margin-bottom: 0.75rem;
}

.gear-price {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--alpine-dark);
}

.budget-total {
  text-align: center;
  font-size: 1.05rem;
  color: var(--slate-light);
}

.budget-total strong {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--slate);
}

blockquote {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-style: italic;
  color: var(--slate);
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin-top: 2rem;
  line-height: 1.5;
}

/* Footer */
.footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer p { font-size: 0.9rem; color: var(--slate-light); }
.footer-sub { font-size: 0.8rem; margin-top: 0.35rem; opacity: 0.7; }

/* Responsive */
@media (max-width: 768px) {
  .nav { padding: 0.85rem 1rem; }
  .nav-links { display: none; }
  .grid-2, .spec-grid, .cycle-grid, .gear-grid, .phase-cards {
    grid-template-columns: 1fr;
  }
  .hero-star { display: none; }
  .section { padding: 3.5rem 0; }
}