/* =========================================
   ALLIE HE PORTFOLIO — SHARED STYLES
   Travel Journal / Postcard Aesthetic
   ========================================= */

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

:root {
  --parchment:  #fdf2f4;
  --parchment2: #f8e8ed;
  --espresso:   #4a3728;
  --camel:      #c4a0a8;
  --camel-light:#e0c8cc;
  --rose:       #e8c4b8;
  --rose-dark:  #d4a090;
  --sage:       #b5cdb0;
  --sage-deep:  #3d6b40;
  --linen:      #ead0d6;
  --ink:        #6b4a50;
  --muted:      #a07880;
  --warm-white: #fff8fa;
  --navy:       #1e2d40;
  --stamp-red:  #c0392b;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  background: var(--parchment);
  color: var(--espresso);
  overflow-x: hidden;
  line-height: 1.7;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
}

/* ── TYPOGRAPHY ── */
h1, h2, h3 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 600;
  line-height: 1.2;
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.8rem); }

/* ── NAV ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 48px;
  background: var(--parchment);
  border-bottom: 1px solid var(--linen);
  position: sticky;
  top: 0;
  z-index: 500;
  backdrop-filter: blur(4px);
}
.nav-logo {
  font-family: 'Cormorant Garamond', serif;
  font-size: 22px;
  font-weight: 600;
  color: var(--espresso);
  text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-family: 'Nunito', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--espresso); }
.nav-links a.active {
  color: var(--espresso);
  border-bottom: 1.5px solid var(--camel);
  padding-bottom: 2px;
}

/* ── FOOTER ── */
.footer {
  background: var(--espresso);
  color: var(--camel-light);
  padding: 40px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 80px;
}
.footer-left {
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  font-style: italic;
}
.footer-links {
  display: flex;
  gap: 32px;
}
.footer-links a {
  color: var(--camel-light);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
  transition: opacity 0.2s;
}
.footer-links a:hover { opacity: 1; }

/* ── CASE STUDY SHARED ── */
.cs-hero {
  padding: 72px 48px 56px;
  background: var(--parchment2);
  border-bottom: 1px solid var(--linen);
  position: relative;
  overflow: hidden;
}
.cs-hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 6px,
    rgba(196,168,130,0.07) 6px,
    rgba(196,168,130,0.07) 7px
  );
  pointer-events: none;
}
.cs-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--camel);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 20px;
}
.cs-hero h1 {
  color: var(--espresso);
  margin-bottom: 16px;
}
.cs-hero .subtitle {
  font-size: 1.15rem;
  color: var(--ink);
  max-width: 600px;
  margin-bottom: 32px;
}
.cs-meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.cs-meta-item label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 4px;
}
.cs-meta-item span {
  font-size: 14px;
  font-weight: 600;
  color: var(--espresso);
}

.cs-body {
  max-width: 820px;
  margin: 0 auto;
  padding: 64px 48px;
}

.cs-section {
  margin-bottom: 60px;
}
.cs-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 12px;
}
.cs-section h2 {
  margin-bottom: 20px;
  color: var(--espresso);
}
.cs-section p {
  color: var(--ink);
  margin-bottom: 16px;
  font-size: 1rem;
}
.cs-section ul, .cs-section ol {
  padding-left: 24px;
  color: var(--ink);
  margin-bottom: 16px;
}
.cs-section li {
  margin-bottom: 8px;
}

.cs-divider {
  width: 48px;
  height: 2px;
  background: var(--camel);
  margin: 48px 0;
}

/* Screenshot containers */
.cs-image {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--linen);
  box-shadow: 0 4px 24px rgba(74,55,40,0.1);
  margin: 32px 0;
  display: block;
}
.cs-image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}
.cs-image-grid img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--linen);
  box-shadow: 0 2px 12px rgba(74,55,40,0.08);
}
.cs-image-caption {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
  margin-bottom: 32px;
  font-style: italic;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 520px;
  margin: 24px auto 40px;
}
.device-grid figure {
  margin: 0;
}
.device-grid img {
  width: 100%;
  border-radius: 8px;
  border: 1px solid var(--linen);
  box-shadow: 0 2px 12px rgba(74,55,40,0.08);
  display: block;
}
.device-grid figcaption {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 10px;
  font-style: italic;
}

/* Stat callouts */
.cs-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
  background: var(--parchment2);
  border: 1px solid var(--linen);
  border-radius: 8px;
  padding: 32px;
  margin: 32px 0;
}
.cs-stats-4 {
  grid-template-columns: repeat(4, 1fr);
}
.cs-stat {
  text-align: center;
}
.cs-stat .num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.4rem;
  font-weight: 600;
  color: var(--espresso);
  display: block;
}
.cs-stat .label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Quote callout */
.cs-quote {
  border-left: 3px solid var(--camel);
  padding: 20px 28px;
  background: var(--warm-white);
  margin: 32px 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem;
  font-style: italic;
  color: var(--espresso);
  line-height: 1.5;
}

/* Stamp decoration */
.stamp {
  display: inline-block;
  border: 2px solid var(--stamp-red);
  color: var(--stamp-red);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  transform: rotate(-4deg);
  opacity: 0.75;
  margin-left: 16px;
  vertical-align: middle;
}

/* Postcard card (used on index + ux listing) */
.postcard {
  background: var(--warm-white);
  border: 1px solid var(--linen);
  border-radius: 4px;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  text-decoration: none;
  color: inherit;
  display: block;
  box-shadow: 0 2px 8px rgba(74,55,40,0.06), 2px 3px 0 var(--linen);
}
.postcard:hover {
  transform: translateY(-4px) rotate(0.3deg);
  box-shadow: 0 12px 40px rgba(74,55,40,0.15), 4px 6px 0 var(--linen);
}
.postcard-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border-bottom: 1px solid var(--linen);
}
.postcard-body {
  padding: 24px;
  position: relative;
}
.postcard-stamp {
  position: absolute;
  top: 16px; right: 20px;
  width: 44px; height: 52px;
  background: var(--sage);
  border: 2px solid var(--warm-white);
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}
.postcard-type {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
}
.postcard-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--espresso);
  margin-bottom: 8px;
  line-height: 1.2;
}
.postcard-desc {
  font-size: 15px;
  color: var(--ink);
  line-height: 1.6;
  margin-bottom: 16px;
}
.postcard-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.postcard-tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sage-deep);
  background: var(--sage);
  background: rgba(181,205,176,0.4);
  border: 1px solid var(--sage);
  padding: 2px 8px;
  border-radius: 2px;
}
.postcard-address {
  font-size: 11px;
  color: var(--muted);
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--linen);
  font-style: italic;
}

/* ── PROCESS STEP BADGES ── */
.process-steps {
  display: flex; gap: 0;
  border-bottom: 2px solid var(--linen);
  margin-bottom: 56px; flex-wrap: wrap;
}
.process-step {
  padding: 12px 20px;
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: default;
}
.process-step.active { color: var(--espresso); border-bottom-color: var(--espresso); }

/* ── PHASE BLOCKS ── */
.phase-block {
  margin-bottom: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--linen);
}
.phase-block:last-child { border-bottom: none; }
.phase-label {
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.phase-num {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--espresso); color: var(--warm-white);
  font-size: 11px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.phase-name {
  font-size: 11px; font-weight: 800;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--espresso);
}
.phase-block h2 {
  font-family: 'Cormorant Garamond', serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600; line-height: 1.2;
  margin-bottom: 16px; color: var(--espresso);
}
.phase-block h3 {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.3rem; font-weight: 600;
  margin: 24px 0 10px; color: var(--espresso);
}
.phase-block p { margin-bottom: 14px; }


/* ── INSIGHT ROW ── */
.insight-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 20px 0;
}
.insight-card {
  border: 1px solid var(--linen);
  border-radius: 6px; padding: 20px;
}
.insight-card h4 { color: var(--espresso); margin-bottom: 6px; font-size: 0.95rem; }
.insight-card p { font-size: 14px; color: var(--muted); margin: 0; }

/* Utility */
.container { max-width: 1100px; margin: 0 auto; padding: 0 48px; }
.text-muted { color: var(--muted); }


/* ── IMAGES ── */
.cs-image {
  width: 100%; border-radius: 6px;
  border: 1px solid var(--linen);
  margin: 24px 0 8px;
}
.cs-image-caption {
  font-size: 12px; color: var(--muted);
  font-style: italic; margin-bottom: 24px;
  text-align: center;
}
.photo-grid-2 {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 20px 0;
}
.photo-grid-2 img {
  width: 100%; border-radius: 6px;
  border: 1px solid var(--linen);
  aspect-ratio: 16/10; object-fit: cover;
}
.photo-grid-3 {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 20px 0;
}
.photo-grid-3 img {
  width: 100%; border-radius: 6px;
  border: 1px solid var(--linen);
  aspect-ratio: 4/3; object-fit: cover;
}

@media (max-width: 700px) {
  .nav { padding: 16px 20px; }
  .nav-links { gap: 16px; }
  .cs-body { padding: 40px 20px; }
  .cs-hero { padding: 48px 20px 40px; }
  .cs-meta { gap: 24px; }
  .footer { flex-direction: column; gap: 20px; padding: 32px 20px; text-align: center; }
  .footer-links { gap: 16px; flex-wrap: wrap; justify-content: center; }
  .container { padding: 0 20px; }
  .insight-row { grid-template-columns: 1fr; }
  .cs-stats-4 { grid-template-columns: repeat(2, 1fr); }
  .photo-grid-2, .photo-grid-3 { grid-template-columns: 1fr; }
  .device-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
}

@media (max-width: 480px) {
  .nav { flex-wrap: wrap; row-gap: 10px; padding: 14px 16px; }
  .nav-logo { font-size: 19px; }
  .nav-links { gap: 8px 14px; flex-wrap: wrap; }
  .nav-links a { font-size: 11px; }
  .cs-stats, .cs-stats-4 { grid-template-columns: 1fr 1fr; padding: 20px; gap: 16px; }
  .device-grid { grid-template-columns: 1fr; max-width: 260px; }
}