:root {
  --pine: #0f2e24;
  --pine-mid: #1a4a3a;
  --pine-soft: #2d6b54;
  --mist: #e8efe9;
  --mist-deep: #d4e0d6;
  --copper: #c4782a;
  --copper-hot: #e0903a;
  --ink: #14201c;
  --paper: #f5f8f5;
  --sand: #f0ebe3;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Manrope", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

.font-display {
  font-family: "Syne", system-ui, sans-serif;
}

/* Atmospheric background */
.bg-atmosphere {
  background:
    radial-gradient(ellipse 80% 50% at 10% -10%, rgba(45, 107, 84, 0.12), transparent 50%),
    radial-gradient(ellipse 60% 40% at 90% 20%, rgba(196, 120, 42, 0.08), transparent 45%),
    linear-gradient(180deg, var(--mist) 0%, var(--paper) 40%, var(--sand) 100%);
}

.bg-pine-texture {
  background-color: var(--pine);
  background-image:
    radial-gradient(circle at 20% 80%, rgba(196, 120, 42, 0.15), transparent 40%),
    radial-gradient(circle at 80% 20%, rgba(45, 107, 84, 0.4), transparent 35%),
    linear-gradient(160deg, #0a241c 0%, #143d30 50%, #0f2e24 100%);
}

/* Full-bleed hero */
.hero-plane {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.hero-plane__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: hero-drift 28s ease-in-out infinite alternate;
  will-change: transform;
}

.hero-plane__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 46, 36, 0.35) 0%, rgba(15, 46, 36, 0.15) 35%, rgba(15, 46, 36, 0.85) 100%),
    linear-gradient(90deg, rgba(15, 46, 36, 0.55) 0%, transparent 55%);
}

.hero-plane__content {
  position: relative;
  z-index: 2;
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

@keyframes hero-drift {
  from { transform: scale(1.05) translate(0, 0); }
  to { transform: scale(1.12) translate(-1.5%, 1%); }
}

/* Reveal motion */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.12s; }
.reveal-delay-2 { transition-delay: 0.24s; }
.reveal-delay-3 { transition-delay: 0.36s; }

/* Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background 0.35s ease, backdrop-filter 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(15, 46, 36, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-link {
  position: relative;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: #fff;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--copper);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
  width: 100%;
}

/* Brand logo */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  min-width: 0;
}

.site-logo__mark {
  width: 2.05rem;
  height: 2.05rem;
  flex-shrink: 0;
  border-radius: 0.45rem;
  display: block;
}

.site-logo__text {
  line-height: 1;
  white-space: nowrap;
}

@media (min-width: 768px) {
  .site-logo__mark {
    width: 2.35rem;
    height: 2.35rem;
  }
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  background: var(--copper);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border-radius: 2px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.btn-primary:hover {
  background: var(--copper-hot);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  border-radius: 2px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.6rem;
  border: 1.5px solid var(--pine);
  color: var(--pine);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 2px;
  transition: background 0.25s ease, color 0.25s ease;
}

.btn-outline-dark:hover {
  background: var(--pine);
  color: #fff;
}

/* Content helpers */
.prose-bike h2 {
  font-family: "Syne", system-ui, sans-serif;
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--pine);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.prose-bike h3 {
  font-family: "Syne", system-ui, sans-serif;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--pine-mid);
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.prose-bike p {
  line-height: 1.8;
  margin-bottom: 1.15rem;
  color: rgba(20, 32, 28, 0.88);
}

.prose-bike ul,
.prose-bike ol {
  margin-bottom: 1.25rem;
  padding-left: 1.25rem;
  line-height: 1.75;
  color: rgba(20, 32, 28, 0.88);
}

.prose-bike li {
  margin-bottom: 0.45rem;
}

.prose-bike a {
  color: var(--pine-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
}

.img-frame {
  overflow: hidden;
  border-radius: 2px;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.img-frame:hover img {
  transform: scale(1.04);
}

/* Topic row links (not cards for decoration) */
.topic-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid rgba(15, 46, 36, 0.15);
}

.topic-row a {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(15, 46, 36, 0.15);
  transition: padding-left 0.3s ease, color 0.2s ease;
}

.topic-row a:hover {
  padding-left: 0.75rem;
  color: var(--pine-soft);
}

/* Comparison table */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.compare-table th,
.compare-table td {
  padding: 1rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid rgba(15, 46, 36, 0.12);
  vertical-align: top;
}

.compare-table th {
  font-family: "Syne", system-ui, sans-serif;
  background: var(--pine);
  color: #fff;
  font-weight: 700;
}

.compare-table tr:nth-child(even) td {
  background: rgba(232, 239, 233, 0.55);
}

/* Form */
.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.form-field label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--pine);
}

.form-field input,
.form-field textarea,
.form-field select {
  padding: 0.85rem 1rem;
  border: 1.5px solid rgba(15, 46, 36, 0.2);
  border-radius: 2px;
  background: #fff;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.2s ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--pine-soft);
}

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--pine);
  padding: 5rem 1.5rem 2rem;
  overflow-y: auto;
}

.mobile-nav.is-open {
  display: block;
  animation: fade-in 0.25s ease;
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  z-index: 70;
  max-width: 26.5rem;
  margin: 0;
  padding: 0;
  display: none;
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
  border: 1px solid rgba(15, 46, 36, 0.12);
  border-top: 2px solid var(--copper);
  box-shadow:
    0 4px 6px rgba(15, 46, 36, 0.04),
    0 18px 40px rgba(15, 46, 36, 0.12);
  overflow: hidden;
}

.cookie-banner.is-visible {
  display: block;
  animation: cookie-in 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes cookie-in {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cookie-banner__inner {
  padding: 1.15rem 1.25rem 1.25rem;
}

.cookie-banner__label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.45rem;
}

.cookie-banner__title {
  font-family: "Syne", system-ui, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--pine);
  line-height: 1.3;
  margin: 0 0 0.4rem;
}

.cookie-banner__text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: rgba(20, 32, 28, 0.72);
}

.cookie-banner__text a {
  color: var(--pine-soft);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}

.cookie-banner__text a:hover {
  color: var(--pine);
}

.cookie-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.cookie-banner__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.05rem;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.cookie-banner__btn--accept {
  background: var(--copper);
  color: #fff;
  border: 1.5px solid var(--copper);
}

.cookie-banner__btn--accept:hover {
  background: var(--copper-hot);
  border-color: var(--copper-hot);
  transform: translateY(-1px);
}

.cookie-banner__btn--essential {
  background: transparent;
  color: var(--pine);
  border: 1.5px solid rgba(15, 46, 36, 0.28);
}

.cookie-banner__btn--essential:hover {
  background: var(--mist);
  border-color: var(--pine);
}

@media (min-width: 640px) {
  .cookie-banner {
    left: 1.5rem;
    right: auto;
    bottom: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cookie-banner.is-visible {
    animation: none;
  }
}

/* Page hero (inner pages) */
.page-hero {
  position: relative;
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding-top: 5rem;
}

.page-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 46, 36, 0.4) 0%, rgba(15, 46, 36, 0.82) 100%);
}

@media (prefers-reduced-motion: reduce) {
  .hero-plane__img,
  .reveal,
  .img-frame img {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}