/* ============================================================
   KADREL — İstanbul Fotoğraf Müzesi Derneği
   Ana Stil Dosyası
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ── Değişkenler ── */
:root {
  --white:   #FFFFFF;
  --black:   #171717;
  --copper:  #B45309;
  --gray:    #D4D4D8;
  --gray-mid: #71717A;
  --gray-light: #F4F4F5;
  --gray-border: #E4E4E7;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', system-ui, sans-serif;
  --transition: 0.28s ease;
  --max-w: 1200px;
  --radius: 2px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ── Yardımcı Sınıflar ── */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 48px 0; }
.text-copper { color: var(--copper); }
.text-gray { color: var(--gray-mid); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ── Tipografi ── */
h1, h2, h3, h4, h5 {
  font-family: var(--font-serif);
  line-height: 1.2;
  font-weight: 700;
  color: var(--black);
}
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }
p { margin-bottom: 1rem; color: #3a3a3a; }
.lead { font-size: 1.15rem; line-height: 1.75; color: var(--gray-mid); }

/* ── Aperture Icon (SVG-less daire) ── */
.aperture-icon {
  width: 48px; height: 48px;
  border: 2px solid var(--copper);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--copper);
  font-size: 1.4rem;
  flex-shrink: 0;
}
.aperture-icon-sm {
  width: 36px; height: 36px;
  border: 1.5px solid var(--copper);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--copper);
  font-size: 1rem;
  flex-shrink: 0;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition);
}
.btn-primary {
  background: var(--copper);
  color: var(--white);
  border: 1.5px solid var(--copper);
}
.btn-primary:hover { background: #92400e; border-color: #92400e; }
.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1.5px solid var(--black);
}
.btn-outline:hover { background: var(--black); color: var(--white); }
.btn-outline-w {
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--white);
}
.btn-outline-w:hover { background: var(--white); color: var(--black); }
.btn-sm { padding: 8px 18px; font-size: 0.8rem; }

/* ── Navigation ── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-border);
}
.nav-inner {
  display: flex; align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 24px;
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--black);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--copper); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray-mid);
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 1.5px;
  background: var(--copper);
  transition: width var(--transition);
}
.nav-links a:hover, .nav-links a.active { color: var(--black); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { margin-left: 8px; }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; }
.nav-hamburger span { display: block; width: 24px; height: 2px; background: var(--black); transition: var(--transition); }

/* Dropdown */
.nav-dropdown { position: relative; }
.nav-dropdown-menu {
  position: absolute; top: calc(100% + 12px); left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 4px;
  min-width: 220px;
  opacity: 0; visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}
.nav-dropdown:hover .nav-dropdown-menu { opacity: 1; visibility: visible; }
.nav-dropdown-menu a {
  display: block;
  padding: 10px 18px;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--gray-border);
}
.nav-dropdown-menu a:last-child { border-bottom: none; }

/* Mobile Nav */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--gray-border);
  padding: 20px 24px;
  gap: 16px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-size: 0.9rem; font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-mid);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-border);
}

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: flex-end;
  overflow: hidden;
  background: var(--black);
}
.hero-bg {
  position: absolute; inset: 0;
  background: var(--black);
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.55;
}
.hero-content {
  position: relative; z-index: 2;
  padding: 80px 0 72px;
  max-width: 780px;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 20px;
}
.hero h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-style: italic;
}
.hero .lead { color: rgba(255,255,255,0.72); margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── Section Labels ── */
.section-label {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 16px;
}
.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--copper);
  opacity: 0.4;
  max-width: 80px;
}

/* ── Cards Grid ── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 32px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover { box-shadow: 0 12px 40px rgba(0,0,0,0.1); transform: translateY(-4px); }
.card-img { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 24px; }
.card-tag {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 10px;
}
.card h3 { margin-bottom: 10px; font-size: 1.15rem; }
.card p { font-size: 0.88rem; color: var(--gray-mid); line-height: 1.6; margin-bottom: 18px; }
.card-meta {
  display: flex; align-items: center; gap: 16px;
  font-size: 0.78rem; color: var(--gray-mid);
  border-top: 1px solid var(--gray-border);
  padding-top: 14px;
}
.card-read-more {
  margin-top: 14px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
  display: inline-flex; align-items: center; gap: 6px;
}
.card-read-more:hover { gap: 10px; }

/* ── Masonry Gallery ── */
.masonry-grid {
  columns: 3;
  column-gap: 16px;
}
.masonry-item {
  break-inside: avoid;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: pointer;
}
.masonry-item img { width: 100%; display: block; transition: transform 0.5s ease; }
.masonry-item:hover img { transform: scale(1.05); }
.masonry-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 12px 14px;
  background: linear-gradient(to top, rgba(23,23,23,0.85), transparent);
  color: var(--white);
  font-size: 0.78rem;
  transform: translateY(100%);
  transition: transform var(--transition);
}
.masonry-item:hover .masonry-caption { transform: translateY(0); }

/* ── Full-Bleed Photo Section ── */
.full-bleed {
  position: relative;
  min-height: 500px;
  overflow: hidden;
}
.full-bleed img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.full-bleed-overlay {
  position: absolute; inset: 0;
  background: rgba(23,23,23,0.55);
  display: flex; align-items: center;
}
.full-bleed-content { color: var(--white); max-width: 680px; }
.full-bleed-content h2 { color: var(--white); margin-bottom: 16px; }
.full-bleed-content p { color: rgba(255,255,255,0.75); margin-bottom: 28px; }

/* ── Photo Caption Style ── */
.photo-block { margin: 40px 0; }
.photo-block img { border-radius: var(--radius); }
.photo-caption {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--gray-mid);
  font-style: italic;
  border-left: 2px solid var(--copper);
  padding-left: 12px;
  line-height: 1.5;
}

/* ── Features / Icons Grid ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 36px;
}
.feature-item { display: flex; flex-direction: column; gap: 16px; }
.feature-item h4 { font-size: 1rem; margin: 0; }
.feature-item p { font-size: 0.87rem; color: var(--gray-mid); margin: 0; }

/* ── Stats Bar ── */
.stats-bar {
  background: var(--black);
  padding: 48px 0;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}
.stat-item {}
.stat-number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--copper);
  display: block;
}
.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

/* ── Lightbox ── */
.lightbox-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(23,23,23,0.95);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.lightbox-overlay.active { display: flex; }
.lightbox-inner { position: relative; max-width: 90vw; max-height: 90vh; }
.lightbox-inner img { max-height: 82vh; object-fit: contain; border-radius: var(--radius); }
.lightbox-close {
  position: absolute; top: -44px; right: 0;
  color: var(--white); font-size: 1.8rem;
  background: none; border: none; cursor: pointer;
  line-height: 1;
}
.lightbox-caption {
  margin-top: 12px;
  color: rgba(255,255,255,0.7);
  font-size: 0.82rem;
  text-align: center;
}

/* ── Course Cards ── */
.course-card {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.course-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.1); }
.course-card-img { aspect-ratio: 16/9; overflow: hidden; }
.course-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.course-card:hover .course-card-img img { transform: scale(1.04); }
.course-card-body { padding: 28px; }
.course-level {
  display: inline-block;
  padding: 3px 10px;
  background: var(--gray-light);
  border: 1px solid var(--gray-border);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-mid);
  border-radius: 2px;
  margin-bottom: 12px;
}
.course-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.course-card p { font-size: 0.875rem; color: var(--gray-mid); margin-bottom: 20px; }
.course-details {
  display: flex; gap: 20px; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--gray-mid);
  border-top: 1px solid var(--gray-border);
  padding-top: 16px; margin-top: 4px;
}
.course-details span { display: flex; align-items: center; gap: 6px; }

/* ── Article / Content Pages ── */
.article-header { padding: 64px 0 40px; border-bottom: 1px solid var(--gray-border); margin-bottom: 48px; }
.article-meta {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 0.8rem; color: var(--gray-mid);
  margin-bottom: 20px;
}
.article-meta .tag {
  background: var(--gray-light);
  border: 1px solid var(--gray-border);
  padding: 3px 10px;
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--copper);
}
.article-hero-img { width: 100%; aspect-ratio: 21/9; object-fit: cover; margin-bottom: 40px; border-radius: var(--radius); }
.article-body { max-width: 760px; }
.article-body h2 { margin: 48px 0 16px; font-size: 1.7rem; }
.article-body h3 { margin: 36px 0 14px; font-size: 1.25rem; }
.article-body p { font-size: 1rem; line-height: 1.8; margin-bottom: 1.25rem; }
.article-body ul, .article-body ol { margin: 0 0 1.25rem 1.5rem; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { font-size: 0.95rem; line-height: 1.75; color: #3a3a3a; margin-bottom: 6px; }
.article-body blockquote {
  border-left: 3px solid var(--copper);
  padding: 16px 24px;
  margin: 32px 0;
  background: var(--gray-light);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--black);
}
.article-body blockquote cite { font-size: 0.82rem; color: var(--gray-mid); font-style: normal; display: block; margin-top: 8px; }
.article-sidebar {
  position: sticky; top: 88px;
  padding-left: 48px;
}

/* ── Layout Two Col ── */
.two-col { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.two-col-wide { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

/* ── Sidebar Widgets ── */
.sidebar-widget {
  border: 1px solid var(--gray-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}
.sidebar-widget h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--copper);
  margin-bottom: 16px;
  font-family: var(--font-sans);
  font-weight: 600;
}
.sidebar-links a {
  display: block;
  font-size: 0.87rem;
  color: var(--gray-mid);
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-border);
  transition: color var(--transition);
}
.sidebar-links a:hover { color: var(--copper); }
.sidebar-links a:last-child { border-bottom: none; }

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.8rem; color: var(--gray-mid);
  padding: 16px 0;
}
.breadcrumb a { color: var(--copper); }
.breadcrumb span { color: var(--gray-border); }

/* ── Contact Form ── */
.contact-section {
  background: var(--black);
  padding: 80px 0;
}
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-info h2 { color: var(--white); margin-bottom: 20px; }
.contact-info p { color: rgba(255,255,255,0.65); }
.contact-detail {
  display: flex; align-items: flex-start; gap: 14px;
  margin-bottom: 20px;
}
.contact-detail-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--copper);
  margin-bottom: 2px;
}
.contact-detail-value { font-size: 0.9rem; color: rgba(255,255,255,0.75); }
.contact-form { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.12); border-radius: 4px; padding: 36px; }
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 8px;
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
}
.form-input:focus { border-color: var(--copper); }
.form-input::placeholder { color: rgba(255,255,255,0.3); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { width: 100%; padding: 14px; background: var(--copper); color: var(--white); border: none; border-radius: var(--radius); font-family: var(--font-sans); font-size: 0.88rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer; transition: background var(--transition); }
.form-submit:hover { background: #92400e; }

/* ── Footer ── */
.site-footer { background: var(--black); color: rgba(255,255,255,0.65); padding: 64px 0 0; border-top: 1px solid rgba(255,255,255,0.08); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .nav-logo { display: block; margin-bottom: 16px; color: var(--white); }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 300px; }
.footer-col h5 { font-family: var(--font-sans); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--white); margin-bottom: 18px; }
.footer-col a { display: block; font-size: 0.84rem; color: rgba(255,255,255,0.55); padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--copper); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.78rem; }
.footer-bottom-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom-links a { color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--copper); }

/* ── Page Header ── */
.page-header {
  background: var(--black);
  padding: 72px 0 56px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.page-header h1 { color: var(--white); margin-bottom: 16px; }
.page-header p { color: rgba(255,255,255,0.65); max-width: 640px; margin: 0; }
.page-header .breadcrumb { margin-bottom: 24px; }
.page-header .breadcrumb a { color: var(--copper); }
.page-header .breadcrumb { color: rgba(255,255,255,0.4); }
.page-header .breadcrumb span { color: rgba(255,255,255,0.2); }

/* ── Teşekkürler / Thank You ── */
.thankyou-section {
  min-height: 70vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.thankyou-box { max-width: 560px; }
.thankyou-icon {
  width: 80px; height: 80px;
  border: 2.5px solid var(--copper);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 28px;
  font-size: 2rem;
  color: var(--copper);
}

/* ── Policy Pages ── */
.policy-content { max-width: 860px; padding: 64px 0 80px; }
.policy-content h2 { font-size: 1.4rem; margin: 40px 0 14px; }
.policy-content h3 { font-size: 1.1rem; margin: 28px 0 10px; }
.policy-content p { font-size: 0.95rem; line-height: 1.85; }
.policy-content ul { list-style: disc; margin: 0 0 1.2rem 1.5rem; }
.policy-content ul li { font-size: 0.95rem; line-height: 1.75; color: #3a3a3a; margin-bottom: 6px; }
.policy-update {
  display: inline-block;
  background: var(--gray-light);
  border: 1px solid var(--gray-border);
  padding: 6px 14px;
  font-size: 0.78rem;
  color: var(--gray-mid);
  border-radius: 2px;
  margin-bottom: 32px;
}

/* ── Inline Quote ── */
.pull-quote {
  border-top: 2px solid var(--copper);
  border-bottom: 1px solid var(--gray-border);
  padding: 28px 0;
  margin: 40px 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--black);
}

/* ── Equipment Review ── */
.spec-table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.spec-table th, .spec-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--gray-border); font-size: 0.88rem; }
.spec-table th { background: var(--gray-light); font-weight: 600; color: var(--black); font-family: var(--font-sans); }
.spec-table td { color: #3a3a3a; }
.spec-table tr:last-child td { border-bottom: none; }
.rating-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.rating-bar-label { width: 120px; font-size: 0.82rem; color: var(--gray-mid); }
.rating-bar-track { flex: 1; height: 4px; background: var(--gray-border); border-radius: 2px; }
.rating-bar-fill { height: 100%; background: var(--copper); border-radius: 2px; }
.rating-bar-value { width: 36px; font-size: 0.82rem; color: var(--black); font-weight: 600; text-align: right; }

/* ── Interview / Q&A ── */
.qa-block { margin: 32px 0; }
.qa-q { font-weight: 700; color: var(--black); margin-bottom: 8px; font-size: 1rem; padding-left: 14px; border-left: 3px solid var(--copper); }
.qa-a { color: #3a3a3a; font-size: 0.95rem; line-height: 1.8; }

/* ── Tabs ── */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--gray-border); margin-bottom: 36px; }
.tab-btn {
  padding: 12px 24px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-mid);
  background: none;
  border: none;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition);
}
.tab-btn.active { color: var(--black); border-bottom-color: var(--copper); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── Tag Cloud ── */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-pill {
  padding: 5px 14px;
  border: 1px solid var(--gray-border);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--gray-mid);
  transition: var(--transition);
}
.tag-pill:hover { border-color: var(--copper); color: var(--copper); }

/* ── Announcement Bar ── */
.announce-bar {
  background: var(--copper);
  padding: 10px 24px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--white);
  font-weight: 500;
}
.announce-bar a { color: var(--white); text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .two-col { grid-template-columns: 1fr; }
  .article-sidebar { position: static; padding-left: 0; margin-top: 48px; }
  .masonry-grid { columns: 2; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .cards-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .two-col-wide { grid-template-columns: 1fr; }
  .masonry-grid { columns: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .btn { width: fit-content; }
  .contact-form { padding: 24px; }
}
@media (max-width: 480px) {
  .section-pad { padding: 56px 0; }
  .stats-grid { grid-template-columns: 1fr; }
}