/*
Theme Name: ProjectHub
Theme URI: https://projecthub.blog
Author: Roberto Núñez
Description: ProjectHub — editorial minimalistisch thema voor Data Science & AI projecten
Version: 1.0
License: Private
Text Domain: projecthub
*/

/* =====================================================
   PROJECTHUB.BLOG — STYLESHEET
   Stijl: editorial / minimalistisch (geïnspireerd op Flourist)
   Fonts: Playfair Display (koppen) + Inter (body / UI)
   ===================================================== */

/* --- Reset & Variabelen --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --dark:         #1C1A17;
  --dark-deeper:  #131210;
  --blue:         #4A7FCC;
  --blue-hover:   #3A6EBB;
  --blue-light:   #EDF2FB;
  --green:        #4E9F6F;
  --green-hover:  #3D8A5C;
  --green-light:  #E8F5EE;
  --white:        #FFFFFF;
  --bg:           #FAF9F6;
  --bg-card:      #FFFFFF;
  --bg-muted:     #F2F0EC;
  --text:         #1C1A17;
  --muted:        #7A7168;
  --border:       #E4DDD3;
  --border-light: #EDE8E2;
  --radius:    3px;
  --shadow:    0 1px 12px rgba(28, 26, 23, 0.06);
  --shadow-md: 0 4px 24px rgba(28, 26, 23, 0.09);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, 'Times New Roman', serif;
  line-height: 1.2;
  color: var(--text);
}

h1 { font-size: clamp(1.9rem, 4vw, 3rem);   font-weight: 700; letter-spacing: -0.01em; }
h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 700; }
h3 { font-size: 1.15rem;                    font-weight: 700; }
h4 { font-size: 0.95rem; font-weight: 600; font-family: 'Inter', sans-serif; }
h5 { font-size: 0.8rem;  font-weight: 700; font-family: 'Inter', sans-serif; text-transform: uppercase; letter-spacing: 0.1em; }

p  { line-height: 1.7; }

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section    { padding: 5rem 0; }
.section-sm { padding: 3rem 0; }
.section-bg { background: var(--bg-muted); }

/* =====================================================
   NAVIGATIE
   ===================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 66px;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.navbar-brand img {
  height: 36px;
  width: auto;
  border-radius: 4px;
}

.navbar-brand span {
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--dark);
  letter-spacing: -0.01em;
}

.navbar-right {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0;
}

.navbar-links a {
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--muted);
  transition: color 0.18s;
  letter-spacing: 0.01em;
}

.navbar-links a:hover,
.navbar-links a.active,
.navbar-links .current-menu-item > a,
.navbar-links .current_page_item > a {
  color: var(--text);
  font-weight: 600;
}

.navbar-cta { margin-left: 1rem; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--dark);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
}

/* =====================================================
   KNOPPEN
   ===================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all 0.18s ease;
  line-height: 1;
  font-family: 'Inter', sans-serif;
}

.btn-primary { background: var(--dark); color: var(--white); border-color: var(--dark); }
.btn-primary:hover { background: #2e2c28; border-color: #2e2c28; color: var(--white); }

.btn-green { background: var(--green); color: var(--white); border-color: var(--green); }
.btn-green:hover { background: var(--green-hover); border-color: var(--green-hover); color: var(--white); }

.btn-outline-white { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline-white:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.75); }

.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--text); }

.btn-lg  { padding: 0.75rem 1.6rem; font-size: 0.92rem; }
.btn-sm  { padding: 0.38rem 0.85rem; font-size: 0.78rem; }

/* =====================================================
   HERO
   ===================================================== */
.hero { background: var(--dark); padding: 6rem 0; text-align: center; }
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero-subtitle { color: rgba(255,255,255,0.65); font-family: 'Inter', sans-serif; font-size: 1rem; max-width: 580px; margin: 0 auto 2.25rem; line-height: 1.8; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.page-hero { background: var(--dark); padding: 3.75rem 0; text-align: center; }
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; font-size: clamp(1.6rem, 2.8vw, 2.25rem); }
.page-hero p { color: rgba(255,255,255,0.62); font-family: 'Inter', sans-serif; max-width: 560px; margin: 0 auto; font-size: 0.95rem; }

/* =====================================================
   SECTIE HEADERS
   ===================================================== */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-header h2 { margin-bottom: 0.6rem; }
.section-header p { color: var(--muted); max-width: 540px; margin: 0.5rem auto 0; font-size: 0.95rem; }

.divider { width: 40px; height: 3px; background: var(--green); border-radius: 2px; margin: 0.65rem auto 0; }

/* =====================================================
   KAARTEN
   ===================================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: box-shadow 0.2s;
}

.card:hover { box-shadow: var(--shadow-md); }

.cards-3   { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.cards-4   { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.cards-2   { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.cards-auto { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 1.5rem; }

/* =====================================================
   PROJECT TILES
   ===================================================== */
.project-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
  padding-bottom: 3rem;
}

.project-tiles.tiles-4 { grid-template-columns: repeat(4, 1fr); }

.tile-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  margin-bottom: 1rem;
}

.tile-img-bg {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease;
}
.tile-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
}
.project-tile:hover .tile-img-bg { transform: scale(1.03); }

.tile-img-bg i { font-size: 4rem; color: white; opacity: 0.16; position: relative; z-index: 1; }

.tile-badge { display: inline-block; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.5rem; font-family: 'Inter', sans-serif; }

.tile-title { font-family: 'Playfair Display', Georgia, serif; font-size: 1.1rem; font-weight: 700; line-height: 1.35; color: var(--text); margin-bottom: 0.5rem; }
.tile-title a { color: inherit; transition: color 0.18s; }
.tile-title a:hover { color: var(--blue); }

.tile-desc { color: var(--muted); font-size: 0.865rem; line-height: 1.72; margin-bottom: 0.75rem; }

.tile-meta { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.7rem; }
.tile-meta span { font-size: 0.73rem; color: var(--muted); display: flex; align-items: center; gap: 0.28rem; font-family: 'Inter', sans-serif; }

.tile-read-more {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em;
  color: var(--muted); text-decoration: underline; text-underline-offset: 3px;
  text-decoration-color: var(--border); text-transform: uppercase; font-family: 'Inter', sans-serif;
  transition: color 0.18s, text-decoration-color 0.18s;
}
.tile-read-more:hover { color: var(--text); text-decoration-color: var(--text); }

.tile-done .tile-img-bg { filter: grayscale(0.3); }

/* =====================================================
   BADGES / LABELS
   ===================================================== */
.badge {
  display: inline-flex; align-items: center; gap: 0.28rem;
  padding: 0.2rem 0.6rem; border-radius: var(--radius);
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.07em; font-family: 'Inter', sans-serif; white-space: nowrap;
}
.badge-blue   { background: var(--blue-light);  color: var(--blue-hover); }
.badge-green  { background: var(--green-light); color: var(--green-hover); }
.badge-grey   { background: var(--bg-muted);    color: var(--muted); }
.badge-orange { background: #FEF3E2;            color: #A05A1A; }

/* =====================================================
   ICOON BOXES
   ===================================================== */
.icon-box { width: 48px; height: 48px; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; margin-bottom: 1rem; flex-shrink: 0; }
.icon-blue  { background: var(--blue-light);  color: var(--blue); }
.icon-green { background: var(--green-light); color: var(--green); }

/* =====================================================
   TWEE KOLOMMEN
   ===================================================== */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }

/* =====================================================
   FEATURE LIST
   ===================================================== */
.feature-list { display: flex; flex-direction: column; gap: 0.85rem; margin-top: 1.5rem; }
.feature-item { display: flex; align-items: flex-start; gap: 0.7rem; }
.feature-item i    { color: var(--green); margin-top: 0.22rem; flex-shrink: 0; font-size: 0.88rem; }
.feature-item span { font-size: 0.9rem; color: var(--text); line-height: 1.6; }

/* =====================================================
   BLOG KAARTEN
   ===================================================== */
.blog-card-img {
  height: 170px; border-radius: var(--radius) var(--radius) 0 0;
  margin: -1.75rem -1.75rem 1.25rem; width: calc(100% + 3.5rem);
  display: flex; align-items: center; justify-content: center; font-size: 2.5rem;
}
.blog-card-meta { display: flex; align-items: center; gap: 0.75rem; font-size: 0.77rem; color: var(--muted); margin-bottom: 0.6rem; flex-wrap: wrap; font-family: 'Inter', sans-serif; }
.blog-card-meta span { display: flex; align-items: center; gap: 0.28rem; }
.blog-card h3 { margin-bottom: 0.45rem; }
.blog-card p  { color: var(--muted); font-size: 0.875rem; line-height: 1.68; margin-bottom: 1rem; }
.blog-card .read-more {
  font-size: 0.77rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--muted); display: inline-flex; align-items: center; gap: 0.3rem;
  text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border);
  transition: color 0.18s, text-decoration-color 0.18s;
}
.blog-card .read-more:hover { color: var(--text); text-decoration-color: var(--text); }

/* =====================================================
   FORMULIEREN
   ===================================================== */
.form-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; }
.form-card-header { margin-bottom: 1.75rem; padding-bottom: 1.25rem; border-bottom: 1px solid var(--border); }
.form-card-header h3 { margin-bottom: 0.35rem; }
.form-card-header p  { color: var(--muted); font-size: 0.875rem; line-height: 1.65; }

.form-group { margin-bottom: 1.1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--text); margin-bottom: 0.35rem; font-family: 'Inter', sans-serif; letter-spacing: 0.01em; }
label .optional { font-weight: 400; color: var(--muted); font-size: 0.75rem; }

input[type="text"], input[type="email"], input[type="tel"], input[type="date"], input[type="url"], textarea, select {
  width: 100%; padding: 0.6rem 0.9rem; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 0.875rem; font-family: 'Inter', sans-serif; color: var(--text); background: var(--white);
  transition: border-color 0.18s; appearance: none; -webkit-appearance: none;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--text); }
textarea { resize: vertical; min-height: 110px; }
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath stroke='%237A7168' stroke-width='1.5' fill='none' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.5rem;
}

.form-submit { margin-top: 1.5rem; }
.form-submit .btn { width: 100%; justify-content: center; padding: 0.75rem; font-size: 0.88rem; }

.form-success {
  display: none; background: var(--green-light); border: 1px solid var(--green); border-radius: var(--radius);
  padding: 1rem 1.25rem; color: var(--green-hover); font-weight: 500; text-align: center; margin-top: 1rem; font-size: 0.875rem;
}

/* =====================================================
   CTA BANNER
   ===================================================== */
.cta-banner { background: var(--dark); padding: 5rem 0; text-align: center; }
.cta-banner h2 { color: var(--white); margin-bottom: 1rem; }
.cta-banner p  { color: rgba(255,255,255,0.62); font-family: 'Inter', sans-serif; max-width: 500px; margin: 0 auto 2rem; font-size: 0.95rem; }
.cta-banner .btn-grp { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* =====================================================
   FOOTER
   ===================================================== */
.footer { background: var(--dark-deeper); padding: 4rem 0 2rem; }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.footer-brand img { height: 36px; margin-bottom: 1rem; border-radius: 4px; }
.footer-brand p   { color: rgba(255,255,255,0.38); font-size: 0.845rem; line-height: 1.8; max-width: 260px; }
.footer h5 { color: rgba(255,255,255,0.5); margin-bottom: 1rem; font-size: 0.7rem; letter-spacing: 0.12em; }
.footer ul { display: flex; flex-direction: column; gap: 0.55rem; }
.footer ul a { color: rgba(255,255,255,0.42); font-size: 0.845rem; transition: color 0.18s; }
.footer ul a:hover { color: rgba(255,255,255,0.85); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07); padding-top: 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 0.77rem; color: rgba(255,255,255,0.28); flex-wrap: wrap; gap: 0.75rem; font-family: 'Inter', sans-serif;
}
.footer-bottom a { color: rgba(255,255,255,0.38); transition: color 0.18s; }
.footer-bottom a:hover { color: rgba(255,255,255,0.7); }

/* =====================================================
   TABS
   ===================================================== */
.tab-bar { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 2rem; }
.tab-btn { padding: 0.65rem 1.35rem; font-size: 0.83rem; font-weight: 600; color: var(--muted); border: none; background: none; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color 0.18s, border-color 0.18s; font-family: 'Inter', sans-serif; letter-spacing: 0.01em; }
.tab-btn.active { color: var(--text); border-bottom-color: var(--text); }
.tab-btn:hover:not(.active) { color: var(--text); }
.tab-content        { display: none; }
.tab-content.active { display: block; }

/* =====================================================
   LEGE STAAT
   ===================================================== */
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--muted); border: 1px dashed var(--border); border-radius: var(--radius); }
.empty-state i   { font-size: 2.25rem; margin-bottom: 1rem; color: var(--border); display: block; }
.empty-state h3  { color: var(--text); margin-bottom: 0.5rem; }
.empty-state p   { margin-bottom: 1.5rem; font-size: 0.875rem; }

/* =====================================================
   INFO BOX
   ===================================================== */
.info-box { background: var(--blue-light); border-left: 3px solid var(--blue); border-radius: 0 var(--radius) var(--radius) 0; padding: 0.85rem 1.1rem; font-size: 0.86rem; color: var(--blue-hover); line-height: 1.65; }

/* =====================================================
   EDITORIAL LABEL
   ===================================================== */
.editorial-label { display: flex; align-items: center; gap: 1rem; padding: 1.5rem 0; }
.editorial-label span { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--muted); font-weight: 700; font-family: 'Inter', sans-serif; white-space: nowrap; }
.editorial-label::before, .editorial-label::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.editorial-label::before { display: none; }
.editorial-label.centered::before { display: block; }

/* =====================================================
   HOMEPAGE — MASTHEAD
   ===================================================== */
.masthead-wrap { border-bottom: 1px solid var(--border); padding: 3.75rem 1.5rem 3.25rem; text-align: center; }
.masthead-logo { height: 84px; width: auto; border-radius: 10px; margin: 0 auto 1.5rem; display: block; }
.masthead-wrap h1 { font-size: clamp(2.4rem, 5vw, 3.75rem); font-weight: 700; letter-spacing: -0.02em; color: var(--dark); line-height: 1; margin-bottom: 0.35rem; }
.masthead-motto { font-family: 'Playfair Display', Georgia, serif; font-style: italic; font-size: 1rem; color: var(--muted); margin-bottom: 1.75rem; }
.masthead-intro { font-size: 0.95rem; color: var(--muted); line-height: 1.85; max-width: 560px; margin: 0 auto 2rem; }
.masthead-links { display: flex; align-items: center; justify-content: center; gap: 0.4rem 1.75rem; flex-wrap: wrap; padding-top: 1.75rem; border-top: 1px solid var(--border); max-width: 560px; margin: 0 auto; }
.masthead-links .label { font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.masthead-links a { font-size: 0.82rem; font-weight: 500; color: var(--text); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border); transition: text-decoration-color 0.18s; }
.masthead-links a:hover { text-decoration-color: var(--text); }
.masthead-links .sep { color: var(--border); }

.page-content { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

.view-all { text-align: center; padding: 2.25rem 0 3.5rem; border-top: 1px solid var(--border); }
.view-all a { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: var(--border); display: inline-flex; align-items: center; gap: 0.45rem; transition: color 0.18s, text-decoration-color 0.18s; }
.view-all a:hover { color: var(--text); text-decoration-color: var(--text); }

/* =====================================================
   PROJECTEN PAGINA — TILE AANPASSINGEN
   ===================================================== */
.page-template-page-projecten .tile-img,
.projecten-tiles .tile-img { aspect-ratio: 3 / 2; }

.tile-result { display: flex; align-items: flex-start; gap: 0.5rem; background: var(--green-light); border-left: 3px solid var(--green); border-radius: 0 var(--radius) var(--radius) 0; padding: 0.65rem 0.9rem; font-size: 0.82rem; color: var(--green-hover); line-height: 1.55; margin-top: 0.75rem; }
.tile-result i { margin-top: 0.15rem; flex-shrink: 0; }

.tile-roles { display: flex; gap: 0.4rem; flex-wrap: wrap; padding-top: 0.85rem; margin-top: 0.75rem; border-top: 1px solid var(--border); }

.tile-confidential { position: absolute; bottom: 0.6rem; right: 0.65rem; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.55); display: flex; align-items: center; gap: 0.3rem; font-family: 'Inter', sans-serif; }

.tab-count { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; border-radius: 50%; font-size: 0.65rem; font-weight: 700; background: var(--bg-muted); color: var(--muted); margin-left: 0.35rem; font-family: 'Inter', sans-serif; vertical-align: middle; }
.tab-btn.active .tab-count { background: var(--text); color: var(--white); }

/* =====================================================
   EVENEMENTEN PAGINA — HACKATHON CARD
   ===================================================== */
.hackathon-card { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--bg-card); }
.hackathon-banner { height: 220px; display: flex; align-items: center; justify-content: center; background: linear-gradient(145deg, #131528 0%, #252d6b 60%, #1a0e35 100%); position: relative; }
.hackathon-banner i { font-size: 6rem; color: white; opacity: 0.12; }
.hackathon-banner-label { position: absolute; top: 1.25rem; left: 1.25rem; }
.hackathon-body { padding: 2rem; }
.hackathon-body h2 { margin-bottom: 0.75rem; }
.hackathon-body > p { color: var(--muted); font-size: 0.95rem; line-height: 1.8; max-width: 580px; margin-bottom: 2rem; }
.hackathon-details { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 2rem; }
.hackathon-detail { background: var(--bg); padding: 1.1rem 1.25rem; display: flex; align-items: flex-start; gap: 0.75rem; }
.hackathon-detail i { color: var(--muted); font-size: 0.9rem; margin-top: 0.2rem; flex-shrink: 0; }
.hackathon-detail h4 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); margin-bottom: 0.2rem; }
.hackathon-detail p { font-size: 0.875rem; font-weight: 600; color: var(--text); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
  .cards-4            { grid-template-columns: repeat(2, 1fr); }
  .project-tiles      { grid-template-columns: repeat(2, 1fr); }
  .project-tiles.tiles-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid        { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .navbar-links {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    background: var(--bg); flex-direction: column; align-items: stretch;
    padding: 0.75rem 1rem 1.25rem; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md); z-index: 199;
  }

  .navbar-links.open { display: flex; }
  .navbar-links a { padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--border-light); border-radius: 0; }
  .navbar-links li:last-child a { border-bottom: none; }
  .navbar-cta { margin-left: 0; }
  .navbar-cta .btn { width: 100%; justify-content: center; margin-top: 0.5rem; }
  .navbar { position: relative; }

  .hero      { padding: 4rem 0; }
  .page-hero { padding: 3rem 0; }
  .section   { padding: 3.5rem 0; }

  .cards-3, .cards-4 { grid-template-columns: 1fr; }
  .cards-2           { grid-template-columns: 1fr; }
  .two-col           { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row          { grid-template-columns: 1fr; }

  .project-tiles { grid-template-columns: 1fr; gap: 2rem; }

  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand p { max-width: 100%; }

  .footer-bottom { flex-direction: column; text-align: center; }

  .masthead-wrap { padding: 2.75rem 1rem 2.75rem; }
  .masthead-logo { height: 68px; }

  .hackathon-details { grid-template-columns: 1fr; }
}