/* ========================================
   Spiral Interior Spaces — Blog Page
   Masonry Grid (Pinterest-style) Layout
   ======================================== */

:root {
  /* Type Scale */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Fonts */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body: 'Switzer', 'Helvetica Neue', sans-serif;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  /* Palette */
  --dark: #1A1A1A;
  --dark-surface: #222222;
  --taupe: #BEB5A8;
  --taupe-light: #CBC3B7;
  --cream: #F0EDE8;
  --cream-light: #FAF8F5;
  --crimson: #8B0000;
  --crimson-hover: #A50000;
  --white: #FFFFFF;
  --text-dark: #2B2622;
  --text-body: #444039;
  --text-muted: #7A7068;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* ========================================
   Social Sidebar (same as main site)
   ======================================== */
.social-sidebar {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  background: var(--dark);
  padding: var(--space-2) var(--space-2);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  box-shadow: var(--shadow-md);
}
.social-sidebar a {
  color: rgba(255,255,255,0.5);
  transition: color var(--transition-interactive);
  display: flex;
  padding: var(--space-2);
}
.social-sidebar a:hover { color: var(--white); }

@media (max-width: 768px) {
  .social-sidebar { display: none; }
}

/* ========================================
   Header (same as main site)
   ======================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.3s ease, box-shadow 0.3s ease;
}
.header.is-scrolled {
  background: rgba(26,26,26,0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
}
.header__logo { display: flex; align-items: center; text-decoration: none; }
.header__logo-img {
  height: 40px;
  width: auto;
  border-radius: var(--radius-sm);
}
.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.header__link {
  font-size: var(--text-xs);
  text-decoration: none;
  color: rgba(255,255,255,0.6);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: color var(--transition-interactive);
}
.header__link:hover { color: var(--white); }
.header__link.is-active { color: var(--white); }
.header__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-family: var(--font-body);
  font-weight: 600;
  text-decoration: none;
  color: var(--dark);
  background: var(--taupe);
  padding: var(--space-2) var(--space-5);
  border-radius: 999px;
  transition: all var(--transition-interactive);
  letter-spacing: 0.02em;
}
.header__cta:hover {
  background: var(--cream);
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  cursor: pointer;
  padding: var(--space-2);
}

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .header__nav {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 280px;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-20) var(--space-8);
    gap: var(--space-4);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 200;
    box-shadow: -4px 0 24px rgba(0,0,0,0.4);
  }
  .header__nav.is-open { transform: translateX(0); }
  .header__link {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.8);
  }
  .header__cta { margin-top: var(--space-4); }
}

/* ========================================
   Reveal Animations
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 0.15s; }
.reveal--delay-2 { transition-delay: 0.3s; }

/* ========================================
   Blog Hero
   ======================================== */
.blog-hero {
  background: var(--dark);
  padding: calc(80px + var(--space-24)) var(--space-6) var(--space-16);
  text-align: center;
}
.blog-hero__inner {
  max-width: var(--content-narrow);
  margin: 0 auto;
}
.blog-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--taupe);
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.blog-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--white);
  line-height: 1.1;
  margin-bottom: var(--space-6);
}
.blog-hero__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
}

/* ========================================
   Filter Tags
   ======================================== */
.blog-filters {
  background: var(--cream-light);
  padding: var(--space-6) var(--space-6) 0;
  position: sticky;
  top: 72px;
  z-index: 50;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.blog-filters__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  gap: var(--space-3);
  padding-bottom: var(--space-6);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.blog-filter {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  padding: var(--space-2) var(--space-5);
  border-radius: 999px;
  border: 1px solid var(--taupe-light);
  background: transparent;
  color: var(--text-body);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-interactive);
}
.blog-filter:hover {
  border-color: var(--text-body);
  color: var(--text-dark);
}
.blog-filter.is-active {
  background: var(--dark);
  color: var(--white);
  border-color: var(--dark);
}

/* ========================================
   Masonry Grid
   ======================================== */
.blog-masonry {
  background: var(--cream-light);
  padding: var(--space-10) var(--space-6) var(--space-16);
}
.blog-masonry__grid {
  max-width: var(--content-wide);
  margin: 0 auto;
  columns: 3;
  column-gap: var(--space-6);
}

/* ========================================
   Blog Card
   ======================================== */
.blog-card {
  break-inside: avoid;
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
@media (hover: hover) {
  .blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
  }
}

/* Image wrapper */
.blog-card__img-wrap {
  position: relative;
  overflow: hidden;
}
.blog-card__img-wrap img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}
@media (hover: hover) {
  .blog-card:hover .blog-card__img-wrap img {
    transform: scale(1.03);
  }
}

/* Badge */
.blog-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: var(--space-1) var(--space-3);
  border-radius: 999px;
  background: var(--crimson);
  color: var(--white);
}
.blog-card__badge--taupe {
  background: var(--taupe);
  color: var(--dark);
}
.blog-card__badge--green {
  background: #2d6a4f;
  color: var(--white);
}

/* Body */
.blog-card__body {
  padding: var(--space-5) var(--space-5) var(--space-6);
}
.blog-card__date {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: var(--space-3);
}
.blog-card__excerpt {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}
.blog-card__excerpt:last-of-type {
  margin-bottom: var(--space-4);
}
/* Actions row */
.blog-card__actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.blog-card__read-more {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--crimson);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color var(--transition-interactive);
}
.blog-card__read-more:hover {
  color: var(--crimson-hover);
}
.blog-card__share {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  background: none;
  border: 1px solid var(--taupe-light);
  border-radius: 999px;
  padding: 5px 10px;
  cursor: pointer;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 500;
  transition: all var(--transition-interactive);
}
.blog-card__share:hover {
  border-color: var(--text-body);
  color: var(--text-dark);
  background: var(--cream);
}
.blog-card__share.is-copied {
  border-color: #2d6a4f;
  color: #2d6a4f;
  background: rgba(45,106,79,0.08);
}

/* Tall card variant — emphasizes the image */
.blog-card--tall .blog-card__img-wrap img {
  max-height: 400px;
  object-fit: cover;
}

/* ========================================
   Blog CTA
   ======================================== */
.blog-cta {
  background: var(--dark);
  padding: var(--space-24) var(--space-6);
  text-align: center;
}
.blog-cta__inner {
  max-width: var(--content-narrow);
  margin: 0 auto;
}
.blog-cta__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--white);
  font-weight: 400;
  line-height: 1.15;
  margin-bottom: var(--space-4);
}
.blog-cta__text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}
.blog-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  color: var(--white);
  background: var(--crimson);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  transition: background var(--transition-interactive);
}
.blog-cta__btn:hover {
  background: var(--crimson-hover);
}

/* ========================================
   Blog Footer
   ======================================== */
.blog-footer {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: var(--space-12) var(--space-6);
  text-align: center;
}
.blog-footer__inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
.blog-footer__logo {
  height: 48px;
  width: auto;
  border-radius: var(--radius-sm);
  opacity: 0.8;
}
.blog-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4) var(--space-6);
}
.blog-footer__nav a {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.blog-footer__nav a:hover { color: var(--white); }
.blog-footer__social {
  display: flex;
  gap: var(--space-5);
  margin-top: var(--space-2);
}
.blog-footer__social a {
  color: rgba(255,255,255,0.4);
  transition: color var(--transition-interactive);
}
.blog-footer__social a:hover { color: var(--white); }
.blog-footer__contact {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.blog-footer__contact a {
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.blog-footer__contact a:hover { color: var(--white); }
.blog-footer__copy {
  font-family: var(--font-body);
  font-size: 0.7rem;
  color: rgba(255,255,255,0.25);
  margin-top: var(--space-4);
}

/* ========================================
   Blog Card Animation
   ======================================== */
@keyframes blogFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========================================
   Responsive: 2 columns on tablets
   ======================================== */
@media (max-width: 960px) {
  .blog-masonry__grid {
    columns: 2;
  }
}

/* ========================================
   Responsive: 1 column on mobile
   ======================================== */
@media (max-width: 600px) {
  .blog-masonry__grid {
    columns: 1;
  }
  .blog-hero {
    padding: calc(72px + var(--space-12)) var(--space-4) var(--space-8);
  }
  .blog-hero__title {
    font-size: var(--text-2xl);
  }
  .blog-hero__subtitle {
    font-size: var(--text-sm);
    line-height: 1.55;
  }

  /* ── Filter pills: larger touch targets + scroll hint ── */
  .blog-filters {
    top: 60px; /* shorter header on mobile */
    padding: var(--space-3) 0 0;
    /* fade-out gradient on right to hint at scroll */
    -webkit-mask-image: linear-gradient(to right, #000 0%, #000 82%, transparent 100%);
    mask-image: linear-gradient(to right, #000 0%, #000 82%, transparent 100%);
  }
  .blog-filters__inner {
    gap: var(--space-2);
    padding: 0 var(--space-4) var(--space-3);
    /* hide scrollbar but keep scrollable */
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  .blog-filters__inner::-webkit-scrollbar {
    display: none;
  }
  .blog-filter {
    padding: var(--space-3) var(--space-5);
    font-size: 0.82rem;
  }

  /* ── Cards: better mobile spacing ── */
  .blog-masonry {
    padding: var(--space-6) var(--space-4) var(--space-12);
  }
  .blog-card__body {
    padding: var(--space-4) var(--space-4) var(--space-5);
  }
  .blog-card__title {
    font-size: 1.15rem;
    margin-bottom: var(--space-2);
  }
  .blog-card__excerpt {
    font-size: 0.88rem;
    line-height: 1.65;
  }
  .blog-card--tall .blog-card__img-wrap img {
    max-height: 280px;
  }

  /* ── Larger share button touch target ── */
  .blog-card__share {
    padding: var(--space-2) var(--space-4);
    font-size: 0.75rem;
    min-height: 36px;
    min-width: 36px;
  }
  .blog-card__read-more {
    padding: var(--space-2) 0;
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }

  /* ── CTA section tighter on mobile ── */
  .blog-cta {
    padding: var(--space-16) var(--space-4);
  }
  .blog-cta__title {
    font-size: var(--text-xl);
  }

  /* ── Footer more compact ── */
  .blog-footer {
    padding: var(--space-8) var(--space-4);
  }
}

/* ========================================
   Full Story Overlay
   ======================================== */
.story-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: var(--cream-light);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0s 0.35s;
}
.story-overlay.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.35s ease, transform 0.35s ease, visibility 0s 0s;
}

/* ─── Sticky back header ─── */
.story-overlay__header {
  position: sticky;
  top: 0;
  z-index: 510;
  background: var(--dark);
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.story-overlay__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--transition-interactive), background var(--transition-interactive);
  letter-spacing: 0.02em;
}
.story-overlay__back:hover {
  color: var(--white);
  background: rgba(255,255,255,0.08);
}
.story-overlay__back svg {
  flex-shrink: 0;
}
.story-overlay__share {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  background: none;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 999px;
  padding: var(--space-2) var(--space-4);
  cursor: pointer;
  transition: all var(--transition-interactive);
  letter-spacing: 0.02em;
}
.story-overlay__share:hover {
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
}
.story-overlay__share.is-copied {
  color: #39ff14;
  border-color: rgba(57,255,20,0.4);
  background: rgba(57,255,20,0.08);
}

/* ─── Story content container ─── */
.story-overlay__content {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-16);
}

/* ─── Hero image ─── */
.story__hero {
  position: relative;
  margin: 0 calc(var(--space-6) * -1);
  overflow: hidden;
}
.story__hero img {
  width: 100%;
  max-height: 520px;
  object-fit: cover;
  display: block;
}
.story__hero-overlay {
  position: absolute;
  bottom: var(--space-5);
  left: var(--space-5);
}
.story__hero-overlay .blog-card__badge {
  font-size: 0.72rem;
  padding: var(--space-2) var(--space-4);
}

/* ─── Story body ─── */
.story__body {
  padding-top: var(--space-10);
}
.story__date {
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.story__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--text-dark);
  line-height: 1.15;
  margin-bottom: var(--space-8);
}
.story__text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: var(--space-6);
}
.story__text strong {
  color: var(--text-dark);
  font-weight: 600;
}

/* ─── Story CTA at bottom ─── */
.story__cta {
  margin-top: var(--space-12);
  padding: var(--space-10) var(--space-8);
  background: var(--dark);
  border-radius: var(--radius-lg);
  text-align: center;
}
.story__cta-text {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}
.story__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  color: var(--white);
  background: var(--crimson);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  transition: background var(--transition-interactive);
}
.story__cta-btn:hover {
  background: var(--crimson-hover);
}

/* ─── Story Overlay Responsive ─── */
@media (max-width: 768px) {
  .story-overlay__header {
    padding: var(--space-3) var(--space-4);
  }
  /* Bigger touch targets for back + share in overlay */
  .story-overlay__back {
    padding: var(--space-3) var(--space-4);
    font-size: 0.85rem;
    min-height: 44px;
  }
  .story-overlay__share {
    padding: var(--space-3) var(--space-5);
    font-size: 0.82rem;
    min-height: 44px;
  }
  .story-overlay__content {
    padding: 0 var(--space-4) var(--space-12);
  }
  .story__hero {
    margin: 0 calc(var(--space-4) * -1);
  }
  .story__hero img {
    max-height: 360px;
  }
  .story__title {
    font-size: var(--text-xl);
  }
  .story__body {
    padding-top: var(--space-8);
  }
  .story__cta {
    padding: var(--space-8) var(--space-5);
  }
}

@media (max-width: 480px) {
  .story__hero img {
    max-height: 260px;
  }
  .story__title {
    font-size: var(--text-lg);
    margin-bottom: var(--space-6);
  }
  .story__text {
    font-size: var(--text-sm);
    line-height: 1.75;
  }
}

/* ========================================
   Back-to-Top Button
   ======================================== */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s 0.3s, background 0.2s ease;
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0s 0s, background 0.2s ease;
}
.back-to-top:hover {
  background: var(--crimson);
}
.back-to-top:active {
  transform: scale(0.92);
}
@media (min-width: 601px) {
  .back-to-top {
    width: 48px;
    height: 48px;
    bottom: var(--space-8);
    right: var(--space-8);
  }
}