/* ============================================================
   Glasscor Project — Main Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Variables ── */
:root {
  --c-primary:   #1a3a5c;
  --c-secondary: #2e6da4;
  --c-accent:    #e8a020;
  --c-dark:      #0f1e2d;
  --c-light:     #f4f7fb;
  --c-white:     #ffffff;
  --c-gray:      #6b7280;
  --c-border:    #e2e8f0;
  --c-text:      #1e293b;
  --c-muted:     #64748b;

  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md:  0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:  0 10px 40px rgba(0,0,0,.14);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.18);

  --trans:      all .25s ease;
  --trans-slow: all .45s ease;

  --max-w: 1200px;
  --gap:   clamp(1rem, 4vw, 2rem);
}

/* ── Base ── */
body {
  font-family: var(--font-sans);
  color: var(--c-text);
  background: var(--c-white);
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gap);
}

/* ── Skip link ── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--c-primary);
  color: var(--c-white);
  padding: .5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  z-index: 9999;
  transition: top .2s;
}
.skip-link:focus { top: .5rem; }

/* ── Scroll progress bar ── */
#scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-secondary), var(--c-accent));
  z-index: 9999;
  transition: width .1s linear;
}

/* ── Topbar ── */
.topbar {
  background: var(--c-dark);
  color: rgba(255,255,255,.8);
  font-size: .8125rem;
  padding: .5rem 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.topbar-left { display: flex; align-items: center; gap: 1.25rem; }
.topbar-left a {
  display: flex; align-items: center; gap: .375rem;
  color: rgba(255,255,255,.75);
  transition: color .2s;
}
.topbar-left a:hover { color: var(--c-accent); }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.topbar-right span { color: rgba(255,255,255,.6); }

/* ── Lang selector inline (topbar) ── */
.lang-selector-inline {
  display: flex; gap: .25rem;
}
.lang-btn-inline {
  font-size: .75rem;
  padding: .2rem .5rem;
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,.6);
  background: transparent;
  border: 1px solid rgba(255,255,255,.2);
  cursor: pointer;
  transition: var(--trans);
}
.lang-btn-inline:hover,
.lang-btn-inline.active {
  background: var(--c-secondary);
  color: var(--c-white);
  border-color: var(--c-secondary);
}

/* ── Header / Nav ── */
.header {
  position: sticky;
  top: 0;
  background: var(--c-white);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  z-index: 1000;
  padding: .75rem 0;
}
.header .container {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.logo {
  display: flex; align-items: center; gap: .75rem;
  flex-shrink: 0;
}
.logo img { width: auto; height: 40px; object-fit: contain; }
.logo-text {
  font-size: 1.1rem; font-weight: 700;
  color: var(--c-primary);
  letter-spacing: -.5px;
}
.logo-text span { color: var(--c-secondary); }

/* Nav */
.nav {
  display: flex;
  align-items: center;
  gap: .25rem;
  margin-left: auto;
}
.nav-item { position: relative; }
.nav-item > a {
  display: flex; align-items: center; gap: .3rem;
  padding: .5rem .75rem;
  font-size: .875rem; font-weight: 500;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  transition: var(--trans);
  white-space: nowrap;
}
.nav-item > a:hover,
.nav-item > a.active {
  color: var(--c-secondary);
  background: rgba(46,109,164,.06);
}
.nav-item > a svg { width: 12px; height: 12px; opacity: .6; transition: transform .2s; }
.nav-item:hover > a svg { transform: rotate(180deg); }

/* Submenu */
.submenu {
  position: absolute;
  top: calc(100% + .5rem);
  left: 0;
  min-width: 220px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: .5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all .2s ease;
  z-index: 200;
}
.nav-item:hover .submenu,
.nav-item:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.submenu a {
  display: block;
  padding: .5rem .75rem;
  font-size: .8375rem;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  transition: var(--trans);
}
.submenu a:hover {
  background: var(--c-light);
  color: var(--c-secondary);
  padding-left: 1rem;
}

/* Header CTA */
.header-cta {
  display: flex; align-items: center; gap: .75rem;
  flex-shrink: 0;
}

/* Lang selector mobile */
.lang-selector {
  display: none;
  gap: .25rem;
  padding: .75rem 1rem;
  border-top: 1px solid var(--c-border);
  margin-top: .5rem;
}
.lang-btn {
  font-size: .8125rem;
  padding: .3rem .7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  background: var(--c-white);
  cursor: pointer;
  transition: var(--trans);
}
.lang-btn:hover, .lang-btn.active {
  background: var(--c-secondary);
  color: var(--c-white);
  border-color: var(--c-secondary);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: .5rem;
  border-radius: var(--radius-sm);
  background: transparent;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 100%; height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  transition: var(--trans);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile close */
.mobile-close {
  display: none;
  position: absolute;
  top: 1rem; right: 1rem;
  background: none;
  font-size: 1.5rem;
  color: var(--c-text);
  line-height: 1;
}

/* Mobile CTA (in nav drawer) */
.mobile-cta { display: none; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .625rem 1.375rem;
  font-size: .9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: var(--trans);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-secondary);
  color: var(--c-white);
  border: 2px solid var(--c-secondary);
}
.btn-primary:hover {
  background: var(--c-primary);
  border-color: var(--c-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(46,109,164,.35);
}
.btn-outline {
  background: transparent;
  color: var(--c-secondary);
  border: 2px solid var(--c-secondary);
}
.btn-outline:hover {
  background: var(--c-secondary);
  color: var(--c-white);
}
.btn-accent {
  background: var(--c-accent);
  color: var(--c-white);
  border: 2px solid var(--c-accent);
}
.btn-accent:hover {
  background: #d08010;
  border-color: #d08010;
  transform: translateY(-1px);
}
.btn-white {
  background: var(--c-white);
  color: var(--c-primary);
  border: 2px solid var(--c-white);
}
.btn-white:hover { background: var(--c-light); }
.btn-sm { padding: .45rem .9rem; font-size: .8125rem; }
.btn-lg { padding: .875rem 2rem; font-size: 1rem; }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-primary) 60%, #1a5e9e 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../assets/img/2020/11/20180801_180551.jpg') center/cover no-repeat;
  opacity: .18;
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero .container { position: relative; z-index: 1; }
.hero-content {
  max-width: 680px;
  padding: 6rem 0;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(232,160,32,.15);
  border: 1px solid rgba(232,160,32,.4);
  color: var(--c-accent);
  padding: .4rem 1rem;
  border-radius: 50px;
  font-size: .8125rem; font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: .5px;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
  color: var(--c-white);
  line-height: 1.1;
  margin-bottom: 1.25rem;
}
.hero h1 span { color: var(--c-accent); }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,.8);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 560px;
}
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 1rem;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex; flex-wrap: wrap; gap: 2rem;
}
.hero-stat { text-align: center; }
.hero-stat strong {
  display: block;
  font-size: 2rem; font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
}
.hero-stat span {
  font-size: .8rem;
  color: rgba(255,255,255,.65);
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ── Section headings ── */
.section { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-dark { background: var(--c-dark); color: var(--c-white); }
.section-light { background: var(--c-light); }
.section-primary { background: var(--c-primary); color: var(--c-white); }

.eyebrow {
  display: inline-block;
  font-size: .75rem; font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-secondary);
  margin-bottom: .75rem;
}
.section-dark .eyebrow { color: var(--c-accent); }
.section-primary .eyebrow { color: var(--c-accent); }

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--c-primary);
  line-height: 1.15;
  margin-bottom: 1rem;
}
.section-dark .section-title,
.section-primary .section-title { color: var(--c-white); }

.section-sub {
  font-size: 1.05rem;
  color: var(--c-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 3rem;
}
.section-dark .section-sub,
.section-primary .section-sub { color: rgba(255,255,255,.75); }

.section-header { margin-bottom: 3rem; }
.section-header.centered { text-align: center; }
.section-header.centered .section-sub { margin-inline: auto; }

/* ── Feature cards ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.feat-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--trans);
}
.feat-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--c-secondary);
}
.feat-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(46,109,164,.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--c-secondary);
}
.feat-icon svg { width: 24px; height: 24px; }
.feat-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: .5rem; }
.feat-card p { font-size: .9rem; color: var(--c-muted); line-height: 1.6; }

/* ── Pillar cards (edificios, fachadas, construcciones) ── */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}
.pillar-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  text-align: center;
  transition: var(--trans);
}
.pillar-card:hover {
  background: rgba(255,255,255,.1);
  transform: translateY(-4px);
  border-color: var(--c-accent);
}
.pillar-icon {
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  background: rgba(232,160,32,.2);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.25rem;
  color: var(--c-accent);
}
.pillar-icon svg { width: 32px; height: 32px; }
.pillar-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--c-white); margin-bottom: .75rem; text-transform: uppercase; letter-spacing: 1px; }
.pillar-card p { font-size: .9rem; color: rgba(255,255,255,.7); line-height: 1.65; }

/* ── Products grid ── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}
.product-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--trans);
  position: relative;
}
.product-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--c-secondary);
}
.product-img {
  height: 200px;
  overflow: hidden;
  background: var(--c-light);
  display: flex; align-items: center; justify-content: center;
}
.product-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-img img { transform: scale(1.05); }
.product-body { padding: 1.5rem; }
.product-code {
  display: inline-block;
  font-size: .7rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  color: var(--c-secondary);
  background: rgba(46,109,164,.08);
  padding: .2rem .6rem;
  border-radius: 50px;
  margin-bottom: .75rem;
}
.product-body h3 { font-size: 1rem; font-weight: 700; color: var(--c-primary); margin-bottom: .5rem; }
.product-body h3 a { color: inherit; text-decoration: none; display: block; }
.product-body h3 a::after { content: ''; position: absolute; inset: 0; z-index: 1; }
.product-body p { font-size: .875rem; color: var(--c-muted); line-height: 1.6; }

/* ── WhatsApp & Telegram floating buttons ── */
.tg-btn {
  position: fixed; bottom: 82px; right: 24px; z-index: 9000;
  display: flex; align-items: center; gap: 8px;
  background: #229ED9; color: #fff;
  border-radius: 999px; padding: 10px 16px 10px 12px;
  font-size: .84rem; font-weight: 600; text-decoration: none;
  box-shadow: 0 4px 16px rgba(34,158,217,.4);
  transition: transform .18s, box-shadow .18s;
}
.tg-btn svg { width: 20px; height: 20px; flex-shrink: 0; }
.tg-btn:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 8px 24px rgba(34,158,217,.55); text-decoration: none; color: #fff; }
@media (max-width: 480px) {
  .tg-btn span { display: none; }
  .tg-btn { padding: 11px; border-radius: 50%; bottom: 76px; }
}
.wa-btn {
  position: fixed; bottom: 24px; right: 24px; z-index: 9000;
  display: flex; align-items: center; gap: 8px;
  background: #25D366; color: #fff;
  border-radius: 999px; padding: 12px 18px 12px 14px;
  font-size: .88rem; font-weight: 600; text-decoration: none;
  box-shadow: 0 4px 16px rgba(37,211,102,.45);
  transition: transform .18s ease, box-shadow .18s ease;
}
.wa-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.wa-btn:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 8px 24px rgba(37,211,102,.55); }
@media (max-width: 480px) {
  .wa-btn span { display: none; }
  .wa-btn { padding: 13px; border-radius: 50%; }
}

/* ── Works image carousel ── */
.works-carousel-outer {
  position: relative;
  overflow: hidden;
  background: var(--c-dark);
  margin: 2rem 0;
  max-height: 520px;
}
.works-carousel-track {
  display: flex;
  transition: transform .55s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}
.works-carousel-slide {
  flex: 0 0 100%;
  position: relative;
  height: 480px;
}
.works-carousel-slide img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .82;
  display: block;
}
.works-carousel-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 2.5rem 2rem 2rem;
  background: linear-gradient(transparent 0%, rgba(0,0,0,.65) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.works-carousel-tag {
  display: inline-block;
  background: var(--c-secondary);
  color: #fff;
  font-size: .65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: .15rem .55rem;
  border-radius: 50px;
  align-self: flex-start;
  margin-bottom: .2rem;
}
.works-carousel-caption strong {
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.25;
}
.works-carousel-caption span:last-child {
  font-size: .875rem;
  opacity: .85;
}
.works-carousel-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50%;
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.75rem;
  color: #fff;
  z-index: 3;
  transition: background .2s, transform .2s;
  line-height: 1;
}
.works-carousel-btn:hover { background: rgba(255,255,255,.3); }
.works-carousel-prev { left: 1.25rem; }
.works-carousel-next { right: 1.25rem; }
.works-carousel-dots {
  position: absolute;
  bottom: 1.25rem;
  left: 50%; transform: translateX(-50%);
  display: flex;
  gap: .4rem;
  z-index: 3;
}
.works-carousel-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .2s, transform .2s;
}
.works-carousel-dot.active {
  background: #fff;
  transform: scale(1.35);
}
@media (max-width: 640px) {
  .works-carousel-slide { height: 280px; }
  .works-carousel-caption strong { font-size: 1rem; }
  .works-carousel-btn { width: 36px; height: 36px; font-size: 1.25rem; }
}

/* ── Product category tabs ── */
.product-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 2.5rem;
}
.product-tab-btn {
  padding: .5rem 1.125rem;
  border: 1.5px solid var(--c-border);
  border-radius: 50px;
  font-size: .8375rem; font-weight: 500;
  color: var(--c-muted);
  background: var(--c-white);
  cursor: pointer;
  transition: var(--trans);
}
.product-tab-btn:hover,
.product-tab-btn.active {
  background: var(--c-secondary);
  border-color: var(--c-secondary);
  color: var(--c-white);
}

/* ── Projects grid ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--c-dark);
  cursor: pointer;
}
.project-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.project-card:hover img { transform: scale(1.08); }
.project-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(10,25,45,.85) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity .3s;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-tag {
  display: inline-block;
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--c-accent);
  margin-bottom: .5rem;
}
.project-overlay h3 { font-size: 1rem; font-weight: 700; color: var(--c-white); }
.project-overlay p { font-size: .8125rem; color: rgba(255,255,255,.75); margin-top: .25rem; }

/* ── Stats bar ── */
.stats-bar {
  background: var(--c-primary);
  padding: 3rem 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 2rem;
  text-align: center;
}
.stat-item strong {
  display: block;
  font-size: 2.5rem; font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
  margin-bottom: .4rem;
}
.stat-item span {
  font-size: .875rem;
  color: rgba(255,255,255,.75);
  text-transform: uppercase;
  letter-spacing: .5px;
}

/* ── About section ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.about-img-wrap img {
  width: 100%; height: 400px;
  object-fit: cover;
}
.about-badge {
  position: absolute;
  bottom: -1.5rem; right: -1.5rem;
  background: var(--c-accent);
  color: var(--c-white);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.about-badge strong { display: block; font-size: 2rem; font-weight: 800; line-height: 1; }
.about-badge span { font-size: .75rem; text-transform: uppercase; letter-spacing: .5px; }
.about-content { padding-bottom: 2rem; }
.about-list { margin: 1.5rem 0; display: flex; flex-direction: column; gap: .75rem; }
.about-list li {
  display: flex; align-items: flex-start; gap: .75rem;
  font-size: .9rem; color: var(--c-muted);
}
.about-list li::before {
  content: '';
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c-secondary);
  flex-shrink: 0;
  margin-top: .45rem;
}

/* ── Sedes section ── */
.sedes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}
.sede-card {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  background: var(--c-white);
  transition: var(--trans);
}
.sede-card:hover { box-shadow: var(--shadow-md); border-color: var(--c-secondary); }
.sede-flag {
  font-size: 2rem;
  margin-bottom: 1rem;
}
.sede-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: 1rem; }
.sede-info { display: flex; flex-direction: column; gap: .5rem; }
.sede-info a {
  display: flex; align-items: center; gap: .5rem;
  font-size: .875rem; color: var(--c-muted);
  transition: color .2s;
}
.sede-info a:hover { color: var(--c-secondary); }
.sede-info svg { width: 14px; height: 14px; flex-shrink: 0; color: var(--c-secondary); }

/* ── Testimonial ── */
.testimonial-wrap {
  background: var(--c-light);
  border-radius: var(--radius-xl);
  padding: 4rem;
  text-align: center;
  position: relative;
}
.testimonial-wrap::before {
  content: '"';
  position: absolute;
  top: 1rem; left: 2rem;
  font-size: 8rem;
  color: var(--c-secondary);
  opacity: .12;
  font-family: Georgia, serif;
  line-height: 1;
}
.testimonial-text {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--c-text);
  max-width: 640px;
  margin: 0 auto 2rem;
  line-height: 1.75;
}
.testimonial-author { font-weight: 700; color: var(--c-primary); }
.testimonial-role { font-size: .875rem; color: var(--c-muted); }

/* ── CTA section ── */
.cta-section {
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-secondary) 100%);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../assets/img/2020/11/20180801_180551.jpg') center/cover no-repeat;
  opacity: .08;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: 1rem;
}
.cta-section p {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
}
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }

/* ── Contact section ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}
.contact-info { padding-top: .5rem; }
.contact-info h2 { font-size: 1.75rem; font-weight: 800; color: var(--c-primary); margin-bottom: 1rem; }
.contact-info p { color: var(--c-muted); line-height: 1.7; margin-bottom: 2rem; }
.contact-methods { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-method {
  display: flex; align-items: flex-start; gap: 1rem;
}
.contact-method-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(46,109,164,.1);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--c-secondary);
}
.contact-method-icon svg { width: 18px; height: 18px; }
.contact-method-body strong { display: block; font-size: .875rem; font-weight: 600; color: var(--c-primary); }
.contact-method-body a, .contact-method-body span { font-size: .875rem; color: var(--c-muted); display: block; }
.contact-method-body a:hover { color: var(--c-secondary); }

/* ── Form ── */
.contact-form-wrap {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}
.form-title { font-size: 1.25rem; font-weight: 700; color: var(--c-primary); margin-bottom: 1.75rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: .8375rem; font-weight: 600;
  color: var(--c-text);
  margin-bottom: .4rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: .7rem .9rem;
  border: 1.5px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: .9rem;
  color: var(--c-text);
  background: var(--c-white);
  transition: var(--trans);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--c-secondary);
  box-shadow: 0 0 0 3px rgba(46,109,164,.12);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-check {
  display: flex; align-items: flex-start; gap: .625rem;
  margin-bottom: 1.5rem;
}
.form-check input[type="checkbox"] { width: 16px; height: 16px; flex-shrink: 0; margin-top: .15rem; accent-color: var(--c-secondary); }
.form-check label { font-size: .8rem; color: var(--c-muted); line-height: 1.5; }
.form-check a { color: var(--c-secondary); text-decoration: underline; }
.form-msg { display: none; padding: .75rem 1rem; border-radius: var(--radius-sm); font-size: .875rem; margin-top: 1rem; }
.form-msg.success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; display: block; }
.form-msg.error   { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; display: block; }

/* ── Breadcrumb ── */
.breadcrumb-bar {
  background: var(--c-light);
  padding: .75rem 0;
  border-bottom: 1px solid var(--c-border);
}
.breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  font-size: .8125rem; color: var(--c-muted);
}
.breadcrumb a { color: var(--c-secondary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { opacity: .4; }

/* ── Page hero (inner pages) ── */
.page-hero {
  background: linear-gradient(135deg, var(--c-dark) 0%, var(--c-primary) 100%);
  padding: 5rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero-tag {
  display: inline-block;
  font-size: .75rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: .75rem;
}
.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--c-white);
  margin-bottom: 1rem;
}
.page-hero p {
  font-size: 1.05rem;
  color: rgba(255,255,255,.75);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Values grid ── */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.value-card {
  text-align: center;
  padding: 2.5rem 2rem;
  border-radius: var(--radius-md);
  background: var(--c-white);
  border: 1px solid var(--c-border);
  transition: var(--trans);
  position: relative;
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--c-secondary); }
.value-card h3 a { color: inherit; text-decoration: none; display: block; }
.value-card h3 a::after { content: ''; position: absolute; inset: 0; z-index: 1; border-radius: var(--radius-md); }
.value-card .number {
  font-size: 3rem; font-weight: 800;
  color: var(--c-secondary);
  opacity: .15;
  line-height: 1;
  margin-bottom: .5rem;
}
.value-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--c-primary); margin-bottom: .5rem; }
.value-card p { font-size: .875rem; color: var(--c-muted); line-height: 1.6; }

/* ── Project card (used in individual project pages) ── */
.proj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.proj-card {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  text-decoration: none;
  transition: var(--trans);
}
.proj-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--c-secondary);
}
.proj-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.proj-card:hover img { transform: scale(1.05); }
.proj-info { padding: 1.25rem; }
.proj-tag {
  display: inline-block;
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--c-secondary);
  background: rgba(46,109,164,.08);
  padding: .2rem .6rem;
  border-radius: 50px;
  margin-bottom: .6rem;
}
.proj-info h3 { font-size: 1rem; font-weight: 700; color: var(--c-primary); margin-bottom: .35rem; }
.proj-info p { font-size: .8125rem; color: var(--c-muted); }

/* ── Article content ── */
.article-content { max-width: 780px; margin-inline: auto; }
.article-content h2 { font-size: 1.4rem; font-weight: 700; color: var(--c-primary); margin: 2rem 0 .75rem; }
.article-content p { font-size: .9375rem; color: var(--c-text); line-height: 1.8; margin-bottom: 1.25rem; }
.article-content ul { margin: .75rem 0 1.25rem 1.5rem; list-style: disc; }
.article-content ul li { font-size: .9375rem; color: var(--c-text); line-height: 1.75; margin-bottom: .4rem; }
.article-meta { display: flex; align-items: center; gap: 1rem; font-size: .8rem; color: var(--c-muted); margin-bottom: 2rem; flex-wrap: wrap; }
.article-meta time { font-weight: 500; }

/* ── Cookie banner ── */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--c-dark);
  color: rgba(255,255,255,.9);
  padding: 1.25rem var(--gap);
  z-index: 9000;
  box-shadow: 0 -4px 24px rgba(0,0,0,.25);
  display: none;
}
#cookie-banner.show { display: block; }
.cookie-inner {
  max-width: var(--max-w);
  margin-inline: auto;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.cookie-text { flex: 1; min-width: 260px; font-size: .875rem; line-height: 1.6; }
.cookie-text a { color: var(--c-accent); text-decoration: underline; }
.cookie-actions { display: flex; gap: .75rem; flex-shrink: 0; }

/* ── Footer ── */
.footer {
  background: var(--c-dark);
  color: rgba(255,255,255,.8);
  padding: 4rem 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {}
.footer-brand .logo { margin-bottom: 1rem; }
.footer-brand .logo img { filter: brightness(2); }
.footer-brand .logo-text { color: var(--c-white); }
.footer-brand > p { font-size: .875rem; color: rgba(255,255,255,.6); line-height: 1.7; max-width: 280px; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: .75rem; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  transition: var(--trans);
}
.footer-social a:hover { background: var(--c-secondary); color: var(--c-white); }
.footer-social svg { width: 16px; height: 16px; }
.footer-col h4 { font-size: .8375rem; font-weight: 700; color: var(--c-white); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 1.25rem; }
.footer-col a {
  display: block;
  font-size: .875rem;
  color: rgba(255,255,255,.6);
  padding: .3rem 0;
  transition: color .2s;
}
.footer-col a:hover { color: var(--c-accent); }
.footer-col address { font-style: normal; font-size: .875rem; color: rgba(255,255,255,.6); line-height: 1.7; }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1rem;
  padding: 1.5rem 0;
}
.footer-bottom-text { font-size: .8rem; color: rgba(255,255,255,.4); }
.footer-bottom-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-bottom-links a { font-size: .8rem; color: rgba(255,255,255,.5); transition: color .2s; }
.footer-bottom-links a:hover { color: var(--c-accent); }

/* ── Legal pages ── */
.legal-content { padding: 4rem 0; }
.legal-content h2 { font-size: 1.5rem; font-weight: 700; color: var(--c-primary); margin: 2rem 0 1rem; }
.legal-content h3 { font-size: 1.1rem; font-weight: 600; color: var(--c-primary); margin: 1.5rem 0 .75rem; }
.legal-content p { font-size: .9375rem; color: var(--c-text); line-height: 1.75; margin-bottom: 1rem; }
.legal-content ul { margin: .75rem 0 1rem 1.5rem; list-style: disc; }
.legal-content ul li { font-size: .9375rem; color: var(--c-text); line-height: 1.75; margin-bottom: .4rem; }
.legal-content a { color: var(--c-secondary); text-decoration: underline; }
.legal-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .875rem; }
.legal-content th { background: var(--c-primary); color: var(--c-white); padding: .75rem 1rem; text-align: left; }
.legal-content td { padding: .65rem 1rem; border-bottom: 1px solid var(--c-border); color: var(--c-text); }
.legal-content tr:nth-child(even) td { background: var(--c-light); }

/* ── Map embed ── */
.map-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 2rem;
}
.map-wrap iframe { width: 100%; height: 360px; border: none; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted { color: var(--c-muted); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }

/* ============================================================
   MEJORAS DE LAYOUT — Glasscor Project
   ============================================================ */

/* 1. Back-to-top button */
#back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--c-secondary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .3s, transform .3s, background .2s;
  z-index: 8000;
  pointer-events: none;
}
#back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
#back-to-top:hover { background: var(--c-primary); }
#back-to-top svg { width: 18px; height: 18px; }

/* 2. Proyecto list cards: uniform image height + scale on hover */
.proj-item {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  text-decoration: none;
  transition: var(--trans);
}
.proj-item:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--c-secondary);
}
.proj-item .product-img {
  overflow: hidden;
}
.proj-item .product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .45s ease;
}
.proj-item:hover .product-img img { transform: scale(1.07); }

/* 3. Breadcrumb refinement */
.breadcrumb-bar {
  font-size: .8125rem;
  color: var(--c-muted);
  padding: .75rem 0;
  display: flex;
  align-items: center;
  gap: .35rem;
  flex-wrap: wrap;
}
.breadcrumb-sep { color: var(--c-border); font-size: .9em; }
.breadcrumb-bar a { color: var(--c-secondary); text-decoration: none; }
.breadcrumb-bar a:hover { text-decoration: underline; }

/* 4. Page-hero overlay gradient for text readability */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-dark) 100%);
  padding: clamp(3rem, 8vw, 6rem) 0 clamp(2.5rem, 6vw, 4rem);
  color: var(--c-white);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { color: var(--c-white); text-shadow: 0 2px 12px rgba(0,0,0,.25); }
.page-hero p { color: rgba(255,255,255,.85); }

/* 5. Better section eyebrow labels */
.eyebrow {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--c-secondary);
  background: rgba(46,109,164,.08);
  padding: .3rem .75rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  border: 1px solid rgba(46,109,164,.15);
}

/* 6. Section h2 decorative underline */
.section-title {
  position: relative;
  display: inline-block;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: var(--c-accent);
  border-radius: 2px;
  margin-top: .6rem;
}

/* 7. About-img-wrap enhancements */
.about-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-img-wrap img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.about-img-wrap:hover img { transform: scale(1.03); }

/* 8. Feature cards hover */
.feat-card, .feature-card {
  transition: var(--trans);
  border-radius: var(--radius-md);
}
.feat-card:hover, .feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* 9. Image load fade-in */
img {
  transition: opacity .3s ease;
}
img.loaded { opacity: 1 !important; }
img[loading="lazy"] { opacity: 1; }
img[loading="lazy"].lazy-hidden { opacity: 0; }

/* 10. Better focus ring (accessibility) */
:focus-visible {
  outline: 3px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 11. Better active nav state */
.nav-item > a.active {
  color: var(--c-secondary) !important;
  font-weight: 600;
}
.nav-item > a.active::after {
  width: 100% !important;
  background: var(--c-secondary) !important;
}

/* 12. CTA section pattern overlay */
.cta-section {
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255,255,255,.06) 0%, transparent 70%);
  pointer-events: none;
}

/* 13. Better proj-badge on cards */
.proj-badge {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--c-secondary);
  background: rgba(46,109,164,.08);
  padding: .2rem .6rem;
  border-radius: 50px;
  margin-bottom: .6rem;
  border: 1px solid rgba(46,109,164,.15);
}

/* 14. Cookie banner slide-up animation */
#cookie-banner {
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.16,1,.3,1), opacity .4s;
  opacity: 0;
}
#cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
}

/* 15. Smooth header backdrop blur on scroll */
.header.scrolled {
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,.95) !important;
}

/* 16. Better value-card image ratio */
.value-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius-sm);
  display: block;
  margin-bottom: .75rem;
}

/* 17. Better mobile touch targets */
@media (max-width: 768px) {
  .btn { min-height: 44px; min-width: 44px; }
  .nav-item > a { min-height: 44px; }
  input, select, textarea { font-size: 16px !important; }
}

/* 18. Sticky CTA bar on product/project pages */
.sticky-cta-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--c-primary);
  color: var(--c-white);
  padding: .875rem var(--gap);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 7000;
  transform: translateY(100%);
  transition: transform .4s cubic-bezier(.16,1,.3,1);
  box-shadow: 0 -4px 20px rgba(0,0,0,.2);
}
.sticky-cta-bar.visible { transform: translateY(0); }
.sticky-cta-bar p { font-size: .875rem; font-weight: 500; margin: 0; }
@media (max-width: 600px) { .sticky-cta-bar p { display: none; } }

/* 19. Print styles */
@media print {
  .header, .topbar, .footer, #cookie-banner, .sticky-cta-bar, #back-to-top,
  .nav-overlay, .cta-section, .breadcrumb-bar { display: none !important; }
  .page-hero { background: #1a3a5c !important; -webkit-print-color-adjust: exact; }
  .about-img-wrap img { max-height: 300px; }
  a[href]::after { content: " (" attr(href) ")"; font-size: .75em; color: #666; }
}

/* 20. Topbar hidden on very small screens */
@media (max-width: 480px) {
  .topbar { display: none; }
}

/* 21. Better hero heading size responsive */
.hero h1, .page-hero h1 {
  font-size: clamp(1.75rem, 5vw, 3rem);
  line-height: 1.2;
}

/* 22. Better `.number` opacity in value-cards */
.value-card .number {
  transition: opacity .3s, color .3s;
}
.value-card:hover .number {
  opacity: .3;
  color: var(--c-accent);
}

/* 23. Values grid better column count */
.values-grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}

/* 24. Better link style in body text */
.article-content a, .about-content a {
  color: var(--c-secondary);
  text-decoration: underline;
  text-decoration-color: rgba(46,109,164,.4);
  text-underline-offset: 3px;
  transition: text-decoration-color .2s;
}
.article-content a:hover, .about-content a:hover {
  text-decoration-color: var(--c-secondary);
}

/* 25. Better section light background */
.section-light {
  background: linear-gradient(180deg, var(--c-light) 0%, rgba(244,247,251,.4) 100%);
}

/* 26. Better footer link hover */
.footer-links a {
  transition: color .2s, padding-left .2s;
}
.footer-links a:hover {
  color: var(--c-accent) !important;
  padding-left: 4px;
}

/* 27. Reveal animation — different directions (JS-enhanced, degrades gracefully) */
.reveal { opacity: 1; transition: opacity .55s ease, transform .55s ease; }
.reveal.hidden { opacity: 0; transform: translateY(24px); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-left { opacity: 1; transition: opacity .55s ease, transform .55s ease; }
.reveal-left.hidden { opacity: 0; transform: translateX(-32px); }
.reveal-left.visible { opacity: 1; transform: none; }
.reveal-right { opacity: 1; transition: opacity .55s ease, transform .55s ease; }
.reveal-right.hidden { opacity: 0; transform: translateX(32px); }
.reveal-right.visible { opacity: 1; transform: none; }
.reveal-zoom { opacity: 1; transition: opacity .5s ease, transform .5s ease; }
.reveal-zoom.hidden { opacity: 0; transform: scale(.94); }
.reveal-zoom.visible { opacity: 1; transform: scale(1); }

/* 28. Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal, .reveal-left, .reveal-right, .reveal-zoom {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* 29. Better button group spacing */
.btn-group {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
  align-items: center;
}

/* 30. Social share bar for project pages */
.social-share {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1rem 0;
  border-top: 1px solid var(--c-border);
  margin-top: 2rem;
}
.social-share span {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.social-share a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--c-light);
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-gray);
  text-decoration: none;
  transition: var(--trans);
  font-size: .8rem;
}
.social-share a:hover {
  background: var(--c-secondary);
  color: #fff;
  border-color: var(--c-secondary);
}

/* ── Animations ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .6s ease forwards; }
.animate-delay-1 { animation-delay: .1s; }
.animate-delay-2 { animation-delay: .2s; }
.animate-delay-3 { animation-delay: .3s; }

/* ── Intersection observer animations (JS adds .hidden on init, .visible on entry) ── */
.reveal {
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.hidden { opacity: 0; transform: translateY(24px); }
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}