/* =============================================
   style.css — projects.geetatechhub.com
   Matching GeetaTechHub dark theme
   ============================================= */

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

:root {
  --bg:           #0b111e;
  --bg-card:      #111827;
  --bg-lighter:   #151e2e;
  --bg-darker:    #05080f;
  --accent:       #ffd800;
  --accent-dim:   rgba(255,216,0,0.12);
  --accent-glow:  rgba(255,216,0,0.25);
  --text:         #ffffff;
  --muted:        #9aa4b6;
  --border:       rgba(255,255,255,0.06);
  --radius-sm:    8px;
  --radius:       14px;
  --radius-lg:    20px;
  --shadow:       0 20px 40px rgba(0,0,0,0.4);
  --transition:   0.25s cubic-bezier(0.4,0,0.2,1);
  --font:         'Inter', system-ui, sans-serif;
  --max-w:        1280px;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* =============================================
   CONTEXT BAR (sub-directory breadcrumb)
   ============================================= */
.context-bar {
  background: rgba(5,8,15,0.95);
  border-bottom: 1px solid rgba(255,216,0,0.15);
  padding: 8px 5%;
  position: sticky;
  top: 0;
  z-index: 200;
  backdrop-filter: blur(16px);
}
.context-bar-inner {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: var(--max-w);
  margin: 0 auto;
  font-size: 12px;
  font-weight: 600;
}
.context-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  transition: color var(--transition);
}
.context-brand:hover { color: var(--accent); }
.context-sep { color: rgba(255,255,255,0.2); font-size: 10px; }
.context-current {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.5px;
}
.context-cta {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  transition: all var(--transition);
}
.context-cta:hover {
  color: var(--accent);
  border-color: rgba(255,216,0,0.3);
  background: var(--accent-dim);
}

/* =============================================
   HEADER
   ============================================= */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5%;
  background: rgba(11,17,30,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 33px;
  z-index: 150;
}
.header-logo {
  font-size: 22px;
  font-weight: 900;
  line-height: 1.05;
  text-decoration: none;
}
.header-logo span:first-child { color: #fff; display: block; }
.header-logo span:last-child  { color: var(--accent); display: block; }

.header-nav { display: flex; align-items: center; }
.nav-list { display: flex; list-style: none; gap: 0; }
.nav-list > li { position: relative; display: flex; align-items: center; }
.nav-list > li:not(:last-child)::after {
  content: '';
  width: 1px; height: 14px;
  background: rgba(255,255,255,0.12);
  margin: 0 18px;
}
.nav-list li a {
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  padding: 8px 0;
  transition: color var(--transition);
}
.nav-list li a:hover,
.nav-list li a.active { color: var(--accent); }

.header-cta {
  padding: 9px 20px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 700;
  background: var(--accent);
  color: #000 !important;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px var(--accent-glow);
  color: #000 !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
  transition: background var(--transition);
}
.hamburger:hover { background: var(--accent-dim); border-color: var(--accent); }
.hamburger span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.mobile-nav-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.65); backdrop-filter: blur(4px);
  z-index: 250; opacity: 0; transition: opacity 0.3s;
}
.mobile-nav-overlay.open { opacity: 1; }
.mobile-nav-drawer {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100%;
  background: var(--bg-lighter);
  border-left: 1px solid rgba(255,255,255,0.07);
  z-index: 300;
  transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
  display: flex; flex-direction: column; overflow-y: auto;
}
.mobile-nav-drawer.open { right: 0; }
.mobile-drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
}
.mobile-drawer-brand { font-size: 18px; font-weight: 800; color: #fff; }
.mobile-drawer-close {
  width: 34px; height: 34px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--muted); font-size: 16px;
  transition: all 0.2s;
}
.mobile-drawer-close:hover { background: var(--accent-dim); color: var(--accent); }
.mobile-nav-list { list-style: none; padding: 16px 0; flex: 1; }
.mobile-nav-list li a {
  display: block; padding: 14px 24px;
  font-size: 15px; font-weight: 500; color: var(--text);
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: all 0.2s;
}
.mobile-nav-list li a:hover {
  color: var(--accent); background: var(--accent-dim); padding-left: 32px;
}
.mobile-drawer-cta { padding: 20px 24px; border-top: 1px solid rgba(255,255,255,0.07); }
.mobile-drawer-cta .btn { width: 100%; text-align: center; border-radius: 12px; display: block; }

/* =============================================
   PAGE HERO
   ============================================= */
.page-hero {
  position: relative;
  padding: 90px 5% 80px;
  text-align: center;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(255,216,0,0.1) 0%, transparent 70%),
    linear-gradient(180deg, rgba(11,17,30,0.1) 0%, #0b111e 100%),
    url("https://images.unsplash.com/photo-1451187580459-43490279c0fa?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=60") center/cover no-repeat;
  z-index: 0;
}
.page-hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,60,200,0.15) 0%, rgba(11,17,30,0.92) 100%);
}
.page-hero-content {
  position: relative; z-index: 1;
  max-width: 760px; margin: 0 auto;
}
.page-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent-dim);
  border: 1px solid rgba(255,216,0,0.3);
  color: var(--accent);
  padding: 6px 18px; border-radius: 50px;
  font-size: 12px; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 24px;
}
.page-hero-title {
  font-size: clamp(32px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 18px;
  color: #fff;
}
.page-hero-title span { color: var(--accent); }
.page-hero-desc {
  font-size: 17px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

/* Hero Stats */
.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 36px;
  backdrop-filter: blur(10px);
}
.stat-item { text-align: center; }
.stat-item strong { display: block; font-size: 28px; font-weight: 900; color: var(--accent); }
.stat-item span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.stat-divider { width: 1px; height: 40px; background: var(--border); margin: 0 30px; }

/* =============================================
   FILTER BAR
   ============================================= */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 20px 5%;
  border-bottom: 1px solid var(--border);
  background: rgba(11,17,30,0.8);
  position: sticky;
  top: 93px;
  z-index: 100;
  backdrop-filter: blur(14px);
}
.filter-inner { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--muted);
  border-radius: 20px;
  padding: 7px 18px;
  font-size: 13px; font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-btn:hover { color: var(--text); border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.08); }
.filter-btn.active {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}
.filter-search-wrap {
  position: relative;
  display: flex; align-items: center;
}
.filter-search-wrap i {
  position: absolute; left: 14px;
  color: var(--muted); font-size: 13px;
  pointer-events: none;
}
.filter-search {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 8px 16px 8px 38px;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  width: 220px;
  outline: none;
  transition: border-color var(--transition), width var(--transition);
}
.filter-search:focus { border-color: rgba(255,216,0,0.4); width: 260px; }
.filter-search::placeholder { color: var(--muted); }

/* =============================================
   PROJECTS SECTION & GRID
   ============================================= */
.projects-section {
  padding: 48px 5% 80px;
  max-width: calc(var(--max-w) + 10%);
  margin: 0 auto;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

/* =============================================
   PROJECT CARD
   ============================================= */
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  position: relative;
}
.project-card::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at top right, rgba(255,216,0,0.06), transparent 60%);
  opacity: 0; transition: opacity var(--transition);
  pointer-events: none; border-radius: var(--radius);
}
.project-card:hover { transform: translateY(-8px); border-color: rgba(255,216,0,0.2); box-shadow: 0 24px 48px rgba(0,0,0,0.5); }
.project-card:hover::before { opacity: 1; }

/* Card top — thumbnail */
.project-card-top {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.project-thumb {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.project-thumb-bg {
  position: absolute; inset: 0;
  border-radius: 0;
}
/* Project-specific gradient backgrounds */
.sl-bg {
  background: linear-gradient(135deg, #0a0c18 0%, #1a0f3c 40%, #0f1a35 100%);
}
.sl-bg::after {
  content: ''; position: absolute; top: -30%; right: -20%;
  width: 60%; height: 140%;
  background: radial-gradient(ellipse, rgba(124,106,247,0.35) 0%, transparent 70%);
}
.hv-bg {
  background: linear-gradient(135deg, #120a00 0%, #2d1a00 40%, #1a1000 100%);
}
.hv-bg::after {
  content: ''; position: absolute; top: -20%; left: 20%;
  width: 60%; height: 120%;
  background: radial-gradient(ellipse, rgba(255,140,0,0.35) 0%, transparent 70%);
}
.ok-bg {
  background: linear-gradient(135deg, #000d18 0%, #001a35 40%, #000810 100%);
}
.ok-bg::after {
  content: ''; position: absolute; bottom: -20%; left: 10%;
  width: 80%; height: 100%;
  background: radial-gradient(ellipse, rgba(0,180,255,0.3) 0%, transparent 70%);
}
.hlp-bg {
  background: linear-gradient(135deg, #18050a 0%, #350015 40%, #100008 100%);
}
.hlp-bg::after {
  content: ''; position: absolute; top: 10%; right: -10%;
  width: 70%; height: 120%;
  background: radial-gradient(ellipse, rgba(255,107,107,0.3) 0%, transparent 70%);
}
.fwc-bg {
  background: linear-gradient(135deg, #051810 0%, #00351f 40%, #03100a 100%);
}
.fwc-bg::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 100%; height: 100%;
  background: radial-gradient(ellipse, rgba(0,255,136,0.25) 0%, transparent 70%);
}
.project-thumb-logo {
  position: relative; z-index: 2;
  font-size: 52px;
  filter: drop-shadow(0 4px 20px rgba(255,255,255,0.1));
}
/* Icon colours per project */
.project-card:nth-child(1) .project-thumb-logo { color: #a89aff; }
.project-card:nth-child(2) .project-thumb-logo { color: #ffad33; }
.project-card:nth-child(3) .project-thumb-logo { color: #33ccff; }
.project-card:nth-child(4) .project-thumb-logo { color: #ff6b6b; }
.project-card:nth-child(5) .project-thumb-logo { color: #00ff88; }

.project-type-badges {
  position: absolute; top: 12px; left: 12px;
  display: flex; gap: 6px; flex-wrap: wrap;
}
.type-badge {
  font-size: 10px; font-weight: 800;
  padding: 3px 10px; border-radius: 10px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.type-theme   { background: rgba(124,106,247,0.2); color: #a89aff; border: 1px solid rgba(124,106,247,0.3); }
.type-blog    { background: rgba(255,140,0,0.15);  color: #ffb347; border: 1px solid rgba(255,140,0,0.3); }
.type-client  { background: rgba(34,211,165,0.15); color: #22d3a5; border: 1px solid rgba(34,211,165,0.3); }
.type-web     { background: rgba(0,180,255,0.15);  color: #33ccff; border: 1px solid rgba(0,180,255,0.3); }
.type-personal{ background: rgba(255,216,0,0.1);   color: var(--accent); border: 1px solid rgba(255,216,0,0.2); }

/* Card body */
.project-card-body {
  padding: 22px 22px 16px;
  flex: 1;
  display: flex; flex-direction: column; gap: 14px;
}
.project-name {
  font-size: 22px; font-weight: 800;
  color: #fff; line-height: 1.2;
}
.project-desc {
  font-size: 13.5px; color: var(--muted); line-height: 1.75;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Tech stack */
.tech-stack { display: flex; flex-direction: column; gap: 8px; }
.tech-label {
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1.5px;
  color: var(--accent);
}
.tech-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tech-tag {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 11.5px; font-weight: 600; color: var(--muted);
  transition: all var(--transition);
}
.tech-tag:hover { border-color: rgba(255,216,0,0.25); color: var(--accent); }
.tech-tag i { font-size: 12px; }

/* Meta row */
.project-meta-row {
  display: flex; gap: 14px; flex-wrap: wrap;
}
.meta-item {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--muted); font-weight: 500;
}
.meta-item i { color: var(--accent); font-size: 11px; }

/* Card actions */
.project-card-actions {
  padding: 16px 22px 22px;
  display: flex; gap: 10px; border-top: 1px solid var(--border);
}
.action-btn {
  flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 700;
  transition: all var(--transition);
}
.action-primary {
  background: var(--accent);
  color: #000 !important;
}
.action-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
  color: #000 !important;
}
.action-secondary {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--muted);
}
.action-secondary:hover {
  border-color: rgba(255,216,0,0.3);
  color: var(--accent);
  background: var(--accent-dim);
}

/* Card hover reveal for desc */
.project-card:hover .project-desc {
  -webkit-line-clamp: unset;
}

/* =============================================
   EMPTY STATE
   ============================================= */
.empty-state {
  text-align: center;
  padding: 80px 0;
  color: var(--muted);
}
.empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.4; }
.empty-state p { font-size: 16px; }

/* =============================================
   CTA STRIP
   ============================================= */
.cta-strip {
  background: linear-gradient(135deg, var(--bg-lighter) 0%, rgba(30,20,0,0.8) 100%);
  border-top: 1px solid rgba(255,216,0,0.12);
  border-bottom: 1px solid rgba(255,216,0,0.12);
  padding: 60px 5%;
}
.cta-strip-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-strip-text h2 {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800; color: #fff; margin-bottom: 8px;
}
.cta-strip-text p { font-size: 15px; color: var(--muted); max-width: 480px; }
.cta-strip-btn {
  white-space: nowrap;
  padding: 14px 30px;
  border-radius: 12px;
  font-size: 15px;
  background: var(--accent);
  color: #000 !important;
  font-weight: 800;
  display: inline-flex; align-items: center; gap: 8px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.cta-strip-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
  color: #000 !important;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  padding: 30px 5%;
  border-top: 1px solid var(--border);
  background: var(--bg-darker);
}
.footer-inner {
  max-width: var(--max-w); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.footer-logo-text {
  font-size: 18px; font-weight: 900;
}
.footer-logo-text span { color: var(--accent); }
.footer-brand p {
  font-size: 12px; color: var(--muted); margin-top: 4px;
}
.footer-brand a { color: var(--accent); }
.footer-brand a:hover { text-decoration: underline; }
.footer-copy { font-size: 12px; color: var(--muted); }

/* =============================================
   UTILITIES
   ============================================= */
.hidden { display: none !important; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #000 !important;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 4px 16px var(--accent-glow); color: #000 !important; }

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.project-card { animation: fadeInUp 0.45s ease both; }
.project-card:nth-child(1) { animation-delay: 0.05s; }
.project-card:nth-child(2) { animation-delay: 0.12s; }
.project-card:nth-child(3) { animation-delay: 0.19s; }
.project-card:nth-child(4) { animation-delay: 0.26s; }
.project-card:nth-child(5) { animation-delay: 0.33s; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .header-nav, .header-cta { display: none; }
  .hamburger { display: flex; }
}
@media (max-width: 768px) {
  .context-cta { display: none; }
  .projects-grid { grid-template-columns: 1fr; }
  .page-hero { padding: 60px 5%; }
  .hero-stats { flex-direction: column; padding: 20px 24px; }
  .stat-divider { width: 40px; height: 1px; margin: 10px 0; }
  .filter-bar { top: 75px; }
  .filter-search { width: 100%; }
  .cta-strip-inner { flex-direction: column; text-align: center; }
  .cta-strip-text p { max-width: 100%; }
}
@media (max-width: 480px) {
  .page-hero { padding: 50px 5%; }
  .header { padding: 14px 5%; top: 31px; }
  .project-card-actions { flex-direction: column; }
}