/* ===================================================================
   Northbound — Atlantic Canada guided hiking co.
   Palette:  --fog #E7EDF1   --ink #131C24   --spruce #16293A
             --slate #4C6B82 --stone #7E8FA0 --signal #2C6E9E
   Type:     Fraunces (display) / Inter (body) / IBM Plex Mono (utility)
   =================================================================== */

:root {
  --fog: #e7edf1;
  --fog-dim: #dbe3e9;
  --ink: #131c24;
  --spruce: #16293a;
  --spruce-dark: #0d1a25;
  --slate: #4c6b82;
  --stone: #7e8fa0;
  --signal: #2c6e9e;
  --signal-dim: #1f5278;
  --line: rgba(19, 28, 36, 0.14);
  --line-on-dark: rgba(231, 237, 241, 0.18);

  --display: "Fraunces", Georgia, serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --max: 1200px;
  --gutter: clamp(1.5rem, 5vw, 4rem);
  --rail-w: 28px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--fog);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--display); margin: 0; font-weight: 600; letter-spacing: -0.01em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.95em 1.6em;
  border-radius: 2px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}
.btn-solid {
  background: var(--signal);
  color: var(--fog);
}
.btn-solid:hover { background: var(--signal-dim); transform: translateY(-1px); }
.btn-outline {
  background: transparent;
  border-color: var(--line-on-dark);
  color: inherit;
}
.btn-outline:hover { border-color: currentColor; transform: translateY(-1px); }

/* ---------- Elevation rail (scroll progress, signature element) ---------- */
.elevation-rail {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 60;
  pointer-events: none;
  display: flex;
  align-items: center;
}
.elevation-rail svg { width: 100%; height: 86vh; display: block; }
.elevation-rail .track {
  fill: none;
  stroke: var(--stone);
  stroke-opacity: 0.35;
  stroke-width: 1.5;
}
.elevation-rail .fill {
  fill: none;
  stroke: var(--signal);
  stroke-width: 2;
  stroke-dasharray: 1400;
  stroke-dashoffset: 1400;
}
.elevation-rail .marker {
  r: 3.5;
  fill: var(--signal);
  transform: translateY(0px);
}
.elevation-rail .marker-label {
  font-family: var(--mono);
  font-size: 8.5px;
  fill: var(--slate);
  letter-spacing: 0.04em;
}
@media (max-width: 860px) {
  .elevation-rail { display: none; }
}

/* ---------- Nav ---------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 1.1rem var(--gutter);
  padding-left: calc(var(--gutter) + var(--rail-w));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(231, 237, 241, 0.86);
  backdrop-filter: blur(10px) saturate(1.2);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}
.site-nav.is-scrolled {
  border-bottom-color: var(--line);
}
.brand {
  font-family: var(--display);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.logo-mark { width: 38px; height: 38px; flex-shrink: 0; color: currentColor; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2.2rem;
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--slate);
  transition: color 0.2s ease;
}
.nav-links a:hover { color: var(--ink); }
.nav-cta { display: none; }
@media (min-width: 720px) {
  .nav-cta { display: inline-flex; }
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-links-cta-mobile { display: none; }
@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--fog);
    border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1.2rem;
  }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: 0.9rem 0; width: 100%; border-bottom: 1px solid var(--line); }
  .nav-links-cta-mobile { display: block; color: var(--signal-dim); }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  padding: 0 var(--gutter) 4.5rem;
  padding-left: calc(var(--gutter) + var(--rail-w));
  color: #fff;
  overflow: hidden;
}
.hero .hero-photo {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-color: #000;
}
.hero-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.5) 0%, rgba(0, 0, 0, 0.5) 40%, rgba(0, 0, 0, 0.88) 100%);
}
.hero-inner { max-width: 760px; position: relative; }
.hero .eyebrow { color: #fff; margin-bottom: 1.4rem; }
.hero h1 {
  font-size: clamp(2.6rem, 6.4vw, 5.2rem);
  line-height: 0.98;
  color: #fff;
}
.hero h1 em {
  font-style: italic;
  color: #fff;
}
.hero-sub {
  margin-top: 1.6rem;
  max-width: 32em;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: rgba(255, 255, 255, 0.92);
}
.hero-actions {
  margin-top: 2.4rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
.hero-stats {
  margin-top: 3.2rem;
  display: flex;
  gap: 2.2rem;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.8);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  padding-top: 1.4rem;
}
.hero-stats strong { color: #fff; font-weight: 500; }
.scroll-cue {
  position: absolute;
  right: var(--gutter);
  bottom: 2.2rem;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.scroll-cue::after {
  content: "";
  width: 1px;
  height: 34px;
  background: rgba(255, 255, 255, 0.5);
}
@media (max-width: 640px) { .scroll-cue { display: none; } }

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-stagger.is-visible .stagger-item { opacity: 1; transform: translateY(0); }
.stagger-item {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- Section shell ---------- */
section { position: relative; }
.section-pad { padding: 6.5rem 0; }
.section-pad-lg { padding: 8.5rem 0; }
.section-head {
  max-width: 640px;
  margin-bottom: 3.5rem;
}
.section-head h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  margin-top: 0.9rem;
  line-height: 1.08;
}
.section-head p {
  margin-top: 1.2rem;
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 46em;
}

.topo-divider {
  height: 64px;
  width: 100%;
  color: var(--stone);
  opacity: 0.4;
}

/* ---------- Photo placeholder system ---------- */
.photo {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, #dbe3e9 0%, #c3d0da 100%);
  min-height: 120px;
}
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}
.photo.img-missing img { display: none; }

.ph-note {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 3;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  text-align: center;
  padding: 1rem;
}
.photo.img-missing .ph-note { display: flex; }
.ph-icon { width: 32px; height: 32px; color: var(--stone); }
.ph-label {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--slate);
}
.ph-file {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--ink);
  background: rgba(231, 237, 241, 0.92);
  padding: 0.35em 0.7em;
  border: 1px solid rgba(19, 28, 36, 0.18);
}

/* ---------- Intro ---------- */
.intro {
  background: var(--fog);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.intro .wrap { padding-left: calc(var(--gutter) + var(--rail-w)); }
.intro-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(2rem, 6vw, 6rem);
  align-items: center;
}
.intro h2 {
  font-size: clamp(1.8rem, 3.4vw, 2.6rem);
  line-height: 1.14;
}
.intro-lead {
  margin-top: 1.4rem;
  color: var(--slate);
  font-size: 1.05rem;
  max-width: 40em;
}
.intro-photo {
  aspect-ratio: 4 / 5;
  border-radius: 2px;
}
@media (max-width: 860px) {
  .intro-grid { grid-template-columns: 1fr; }
  .intro-photo { order: -1; aspect-ratio: 16/10; }
}

/* ---------- Hikes grid ---------- */
.hikes { background: var(--fog); }
.hikes .wrap { padding-left: calc(var(--gutter) + var(--rail-w)); }
.hike-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem 1.8rem;
}
@media (max-width: 980px) { .hike-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .hike-grid { grid-template-columns: 1fr; } }

.hike-card { display: flex; flex-direction: column; }
.hike-photo { aspect-ratio: 5 / 4; border-radius: 2px; }
.hike-region {
  position: absolute;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 3;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: var(--spruce);
  color: var(--fog);
  padding: 0.4em 0.7em;
}
.hike-stats {
  margin-top: 0.9rem;
  display: flex;
  gap: 1.1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--stone);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.9rem;
}
.hike-stats span strong { color: var(--ink); font-weight: 500; display: block; font-size: 0.82rem; margin-top: 0.15em; }
.hike-card h3 {
  margin-top: 1rem;
  font-size: 1.3rem;
}
.hike-card p {
  margin-top: 0.6rem;
  color: var(--slate);
  font-size: 0.95rem;
}
.hike-link {
  margin-top: 1rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--signal-dim);
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
}
.hike-link::after { content: "→"; transition: transform 0.2s ease; }
.hike-card:hover .hike-link::after { transform: translateX(4px); }

/* ---------- How it works (kilometre posts — real sequence) ---------- */
.how {
  background: var(--spruce);
  color: var(--fog);
}
.how .wrap { padding-left: calc(var(--gutter) + var(--rail-w)); }
.how .section-head h2 { color: var(--fog); }
.how .eyebrow { color: var(--signal); }
.how .section-head p { color: rgba(231, 237, 241, 0.68); }
.km-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}
.km-line::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line-on-dark);
}
.km-post { position: relative; padding-top: 3.4rem; }
.km-post .km-num {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--signal);
  background: var(--spruce);
  padding-right: 0.8rem;
}
.km-post .km-num::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 6px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--signal);
  background: var(--spruce-dark);
  transform: translateX(-140%);
  border-radius: 50%;
}
.km-post h3 {
  font-size: 1.1rem;
  color: var(--fog);
}
.km-post p {
  margin-top: 0.6rem;
  font-size: 0.92rem;
  color: rgba(231, 237, 241, 0.68);
}
@media (max-width: 780px) {
  .km-line { grid-template-columns: 1fr 1fr; row-gap: 2.6rem; }
}
@media (max-width: 480px) {
  .km-line { grid-template-columns: 1fr; }
  .km-line::before { display: none; }
}

/* ---------- Why Northbound ---------- */
.why { background: var(--fog); }
.why .wrap { padding-left: calc(var(--gutter) + var(--rail-w)); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.4rem;
}
@media (max-width: 980px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } }
.why-item svg { width: 30px; height: 30px; color: var(--signal); }
.why-item h3 { margin-top: 1rem; font-size: 1.08rem; }
.why-item p { margin-top: 0.5rem; color: var(--slate); font-size: 0.92rem; }

/* ---------- Testimonials ---------- */
.testimonials {
  background: var(--fog-dim);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.testimonials .wrap { padding-left: calc(var(--gutter) + var(--rail-w)); }
.testi-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 860px) { .testi-grid { grid-template-columns: 1fr; } }
.testi-card {
  background: var(--fog);
  border: 1px solid var(--line);
  padding: 2rem;
}
.testi-card blockquote {
  margin: 0;
  font-family: var(--display);
  font-size: 1.12rem;
  line-height: 1.4;
  font-style: italic;
}
.testi-card blockquote::before { content: "\201C"; color: var(--signal); }
.testi-card blockquote::after { content: "\201D"; color: var(--signal); }
.testi-meta {
  margin-top: 1.2rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--stone);
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--ink);
  color: var(--fog);
  position: relative;
  overflow: hidden;
}
.cta-band .wrap {
  padding-left: calc(var(--gutter) + var(--rail-w));
  padding-top: 6rem;
  padding-bottom: 6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}
.cta-band h2 {
  color: var(--fog);
  font-size: clamp(1.9rem, 4vw, 3rem);
  max-width: 14em;
}
.cta-band .eyebrow { color: var(--signal); margin-bottom: 1rem; }
.cta-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- Footer ---------- */
footer {
  background: var(--spruce-dark);
  color: rgba(231, 237, 241, 0.7);
}
footer .wrap {
  padding-left: calc(var(--gutter) + var(--rail-w));
  padding-top: 4rem;
  padding-bottom: 2.4rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 0.9fr;
  gap: 2.4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--line-on-dark);
}
@media (max-width: 780px) {
  .footer-top { grid-template-columns: 1fr 1fr; row-gap: 2.6rem; }
}
.footer-brand .brand { color: var(--fog); }
.footer-brand p { margin-top: 1rem; max-width: 26em; font-size: 0.92rem; }
.footer-col h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fog);
  font-weight: 500;
}
.footer-col ul { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col a { text-decoration: none; font-size: 0.9rem; transition: color 0.2s ease; }
.footer-col a:hover { color: var(--fog); }
.footer-bottom {
  margin-top: 2.2rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--stone);
}