/* ========== Tejarat Novin — Main Styles ========== */

/* ===== Layout ===== */
.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
section { position: relative; padding-block: clamp(80px, 10vw, 140px); }
.section-head { text-align: center; max-width: 760px; margin: 0 auto 64px; }
.section-head h2 { font-size: clamp(36px, 5vw, 64px); margin-block: 16px; letter-spacing: -0.02em; }
.section-head p { color: var(--text-muted); font-size: 18px; }

/* ===== Utility ===== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 500; color: var(--text-muted);
  padding: 6px 14px; border: 1px solid var(--border-strong);
  border-radius: 999px; background: rgba(139, 92, 246, 0.05);
  font-family: var(--font-mono);
}
.eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 999px;
  background: var(--violet-soft); box-shadow: 0 0 12px var(--violet);
}
.gradient-text {
  background: var(--grad-1);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px;
  font-weight: 600; font-size: 15px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #8b5cf6, #d946ef);
  color: white;
  box-shadow: 0 10px 40px -10px rgba(139, 92, 246, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 50px -10px rgba(139, 92, 246, 0.8); }
.btn-ghost {
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.02);
  color: var(--text); backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(139, 92, 246, 0.12); border-color: var(--violet-soft); }

/* ===== Card ===== */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
  transition: transform .35s var(--ease), border-color .35s, background .35s;
  position: relative; overflow: hidden;
}

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(40px); transition: opacity .9s var(--ease-out), transform .9s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }

/* ===== Dot Grid ===== */
.dot-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle at center, var(--border-strong) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  pointer-events: none;
}

/* ===== Mesh Gradient ===== */
.mesh {
  position: absolute; inset: -10%;
  filter: blur(80px); opacity: .55;
  pointer-events: none; z-index: 0;
}
.mesh::before, .mesh::after, .mesh > span { content: ''; position: absolute; border-radius: 50%; }
.mesh::before {
  width: 50vw; height: 50vw;
  background: radial-gradient(circle, #8b5cf6, transparent 70%);
  top: -10%; right: -10%;
  animation: blob 22s ease-in-out infinite;
}
.mesh::after {
  width: 45vw; height: 45vw;
  background: radial-gradient(circle, #d946ef, transparent 70%);
  bottom: -15%; left: -10%;
  animation: blob 26s ease-in-out infinite reverse;
}
.mesh > .b3 {
  display: block; width: 35vw; height: 35vw;
  background: radial-gradient(circle, #22d3ee, transparent 70%);
  top: 30%; left: 30%;
  animation: blob 30s ease-in-out infinite;
}
@keyframes blob {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(10%, -8%) scale(1.15); }
  66% { transform: translate(-8%, 12%) scale(0.9); }
}

/* ===== Marquee ===== */
.marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex; gap: 56px;
  width: max-content;
  animation: marquee 38s linear infinite;
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(50%); } }
[dir="rtl"] .marquee-track { animation-direction: reverse; }

/* ===== Theme Toggle ===== */
.theme-toggle {
  width: 40px; height: 40px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 999px; border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.02);
  transition: all .25s;
}
.theme-toggle:hover { background: rgba(139,92,246,0.12); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .sun { display: none; }
[data-theme="light"] .theme-toggle .moon { display: none; }
[data-theme="light"] .theme-toggle .sun { display: block; }
:focus-visible { outline: 2px solid var(--violet-soft); outline-offset: 3px; border-radius: 6px; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: fixed; inset: 0 0 auto 0;
  height: var(--header-h);
  display: flex; align-items: center;
  z-index: 50;
  transition: background .3s, border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.header.scrolled {
  background: color-mix(in oklab, var(--bg) 75%, transparent);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom-color: var(--border);
}
.header .container { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; }
.brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, #8b5cf6, #d946ef);
  display: grid; place-items: center;
  color: white; font-weight: 800; font-size: 13px;
  box-shadow: 0 4px 20px -4px rgba(139, 92, 246, 0.6);
}
.brand small { color: var(--text-muted); font-weight: 400; font-size: 12px; display: block; margin-top: -2px; letter-spacing: 0.04em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 14px; font-size: 14.5px; color: var(--text-muted); border-radius: 999px; transition: color .2s, background .2s; white-space: nowrap; }
.nav a:hover, .nav a.current-menu-item { color: var(--text); background: rgba(139, 92, 246, 0.08); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.menu-btn { display: none; padding: 8px; border-radius: 10px; color: var(--text-muted); transition: background .2s; }
.menu-btn:hover { background: rgba(139, 92, 246, 0.1); color: var(--text); }

/* Mobile nav open */
@media (max-width: 900px) {
  .nav {
    display: none; position: fixed; inset: var(--header-h) 0 0 0;
    background: color-mix(in oklab, var(--bg) 95%, transparent);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    flex-direction: column; align-items: center; justify-content: center;
    gap: 8px; z-index: 49;
  }
  .nav.open { display: flex; }
  .nav a { font-size: 20px; padding: 14px 28px; }
  .menu-btn { display: inline-flex; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding-block: calc(var(--header-h) + 64px) 80px;
  position: relative; overflow: hidden;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at top, black 0%, transparent 70%);
  opacity: .5; pointer-events: none;
}
.hero .container { position: relative; z-index: 2; text-align: center; }
.hero h1 {
  font-size: clamp(44px, 8vw, 112px); font-weight: 800;
  letter-spacing: -0.04em; line-height: 1.05;
  margin: 24px auto 28px; max-width: 14ch;
}
.hero h1 .accent { background: var(--grad-1); -webkit-background-clip: text; background-clip: text; color: transparent; display: inline-block; }
.hero p.lead { font-size: clamp(17px, 1.8vw, 21px); color: var(--text-muted); max-width: 60ch; margin: 0 auto 40px; line-height: 1.7; }
.hero-ctas { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }
.hero-meta {
  margin-top: 96px;
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 24px; text-align: right;
  max-width: 960px; margin-inline: auto;
}
.hero-meta .item { padding: 20px 24px; border-inline-start: 1px solid var(--border-strong); }
.hero-meta strong { display: block; font-size: 32px; font-weight: 800; background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-meta span { color: var(--text-muted); font-size: 14px; }

/* ============================================================
   LOGOS
   ============================================================ */
.logos {
  padding-block: 60px;
  border-block: 1px solid var(--border);
  background: var(--bg-soft);
}
.logos .label { text-align: center; color: var(--text-dim); font-size: 13px; letter-spacing: 0.1em; margin-bottom: 32px; text-transform: uppercase; }
.logos .marquee-track .logo { font-weight: 700; font-size: 22px; color: var(--text-muted); white-space: nowrap; display: flex; align-items: center; gap: 8px; opacity: .7; }
.logos .marquee-track .logo .mark {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--violet-soft), var(--magenta));
  color: white; font-size: 13px; font-weight: 800;
}

/* ============================================================
   DEPARTMENTS
   ============================================================ */
.depts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.dept {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 40px;
  position: relative; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s;
  isolation: isolate;
}
.dept::before {
  content: ''; position: absolute; inset: -50%;
  background: radial-gradient(circle at var(--mx, 50%) var(--my, 50%), color-mix(in oklab, var(--accent) 30%, transparent), transparent 50%);
  opacity: 0; transition: opacity .5s; pointer-events: none; z-index: 0;
}
.dept:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.dept:hover::before { opacity: 1; }
.dept > * { position: relative; z-index: 1; }
.dept .num { font-family: var(--font-mono); color: var(--text-dim); font-size: 13px; letter-spacing: 0.1em; display: flex; justify-content: space-between; align-items: center; }
.dept .ico { width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center; background: color-mix(in oklab, var(--accent) 22%, var(--surface-2)); border: 1px solid color-mix(in oklab, var(--accent) 35%, transparent); color: var(--accent); }
.dept h3 { font-size: 28px; margin: 28px 0 12px; letter-spacing: -0.02em; }
.dept > p { color: var(--text-muted); margin: 0 0 24px; }
.dept ul { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 10px; }
.dept ul li { display: flex; gap: 10px; align-items: center; color: var(--text-muted); font-size: 14.5px; }
.dept ul li::before { content: ''; width: 14px; height: 14px; border-radius: 4px; background: color-mix(in oklab, var(--accent) 25%, transparent); border: 1px solid color-mix(in oklab, var(--accent) 50%, transparent); flex-shrink: 0; }
.dept .more { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--accent); margin-top: 8px; }
.dept .more svg { transition: transform .25s; }
.dept:hover .more svg { transform: translateX(-4px); }

/* ============================================================
   PORTFOLIO SECTION
   ============================================================ */
.portfolio { padding-block: clamp(80px, 10vw, 140px); position: relative; }
.portfolio-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; flex-wrap: wrap; margin-bottom: 56px; }
.portfolio-head h2 { font-size: clamp(36px, 5vw, 64px); letter-spacing: -0.02em; max-width: 16ch; }
.portfolio-head p { color: var(--text-muted); max-width: 40ch; font-size: 17px; }
.portfolio-stage {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 32px; overflow: hidden;
  position: relative;
}
.portfolio-stage::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 0%, color-mix(in oklab, var(--violet) 28%, transparent), transparent 50%),
              radial-gradient(ellipse at 80% 100%, color-mix(in oklab, var(--magenta) 22%, transparent), transparent 50%);
  pointer-events: none; opacity: .7;
}
.portfolio-toolbar { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.portfolio-info { display: flex; gap: 16px; align-items: center; }
.portfolio-info .pcat { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); padding: 5px 10px; border: 1px solid var(--border-strong); border-radius: 999px; letter-spacing: 0.06em; }
.portfolio-info h3 { font-size: 24px; margin: 0; }
.portfolio-info .year { color: var(--text-dim); font-family: var(--font-mono); font-size: 13px; }
.device-toggle { display: inline-flex; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 4px; gap: 4px; }
.device-toggle button { display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 999px; font-size: 13.5px; color: var(--text-muted); font-weight: 500; transition: all .25s; }
.device-toggle button.active { background: linear-gradient(135deg, #8b5cf6, #d946ef); color: white; box-shadow: 0 6px 20px -6px rgba(139, 92, 246, 0.7); }
.device-toggle button svg { width: 16px; height: 16px; }

/* Device Area */
.device-area { position: relative; display: flex; justify-content: center; align-items: center; gap: 32px; min-height: 620px; padding-block: 16px; background: radial-gradient(circle at center, color-mix(in oklab, var(--violet) 8%, transparent), transparent 70%); border-radius: var(--radius); perspective: 1600px; z-index: 1; }

/* Laptop */
.laptop { width: min(880px, 92%); position: relative; transition: opacity .5s, transform .5s var(--ease); }
.laptop.hidden { display: none; }
.laptop .lid { background: linear-gradient(180deg, #1a1238, #0d0820); border: 1px solid rgba(255,255,255,0.08); border-radius: 14px 14px 4px 4px; padding: 14px; box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.04); }
.laptop .screen { background: white; border-radius: 6px; overflow: hidden; aspect-ratio: 16 / 10; position: relative; }
.laptop .notch { width: 80px; height: 6px; background: #0a0612; border-radius: 0 0 8px 8px; margin: 0 auto 8px; }
.laptop .base { height: 18px; background: linear-gradient(180deg, #1a1238 0%, #0a0518 100%); border-radius: 0 0 24px 24px; margin: 0 -28px; position: relative; }
.laptop .base::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 100px; height: 8px; background: #0a0612; border-radius: 0 0 12px 12px; }

/* Phone */
.phone { width: 320px; position: relative; transition: opacity .5s, transform .5s var(--ease); }
.phone.hidden { display: none; }
.phone .shell { background: linear-gradient(180deg, #2a1d4f 0%, #15093a 60%, #0b0524 100%); border: 1px solid rgba(255,255,255,0.12); border-radius: 48px; padding: 12px; box-shadow: 0 30px 80px -20px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.10); position: relative; }
.phone .shell::before { content: ''; position: absolute; right: -3px; top: 110px; width: 4px; height: 70px; background: linear-gradient(180deg, #1a0f3a, #0d061d); border-radius: 2px; }
.phone .shell::after { content: ''; position: absolute; left: -3px; top: 140px; width: 4px; height: 90px; background: linear-gradient(180deg, #1a0f3a, #0d061d); border-radius: 2px; }
.phone .vol2 { position: absolute; right: -3px; top: 190px; width: 4px; height: 50px; background: linear-gradient(180deg, #1a0f3a, #0d061d); border-radius: 2px; }
.phone .screen { background: #fff; border-radius: 36px; overflow: hidden; aspect-ratio: 9 / 19.5; position: relative; isolation: isolate; }
.phone .screen .mockup-host { border-radius: 36px; overflow-y: auto; overflow-x: hidden; }
.phone .pnotch { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 110px; height: 32px; background: #050314; border-radius: 999px; z-index: 10; box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04), 0 2px 8px rgba(0,0,0,0.3); }
.phone .status-bar { position: absolute; top: 0; left: 0; right: 0; height: 52px; display: flex; justify-content: space-between; align-items: center; padding: 18px 30px 0; z-index: 9; pointer-events: none; font-weight: 600; font-size: 14px; color: #050314; background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.4) 70%, transparent 100%); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.phone .status-bar .icons { display: inline-flex; gap: 5px; align-items: center; }
.phone .status-bar .icons svg { width: 14px; height: 14px; }
.phone .home-bar { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); width: 120px; height: 5px; background: rgba(5,3,20,0.85); border-radius: 999px; z-index: 11; pointer-events: none; }
.mockup { width: 100%; height: 100%; display: block; }

/* Scroll Rail */
.scroll-rail { display: none; flex-direction: column; align-items: center; gap: 10px; width: 56px; user-select: none; }
.scroll-rail .label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; color: var(--text-dim); text-transform: uppercase; writing-mode: vertical-rl; transform: rotate(180deg); margin-bottom: 4px; }
.scroll-rail button { width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-muted); display: grid; place-items: center; cursor: pointer; transition: all .2s; }
.scroll-rail button:hover { background: var(--violet); border-color: var(--violet); color: white; transform: scale(1.05); }
.scroll-rail .track { width: 4px; flex: 1; min-height: 200px; background: var(--border); border-radius: 999px; position: relative; overflow: hidden; }
.scroll-rail .thumb-bar { position: absolute; inset-inline: 0; top: 0; height: 30%; background: linear-gradient(180deg, var(--violet-soft), var(--magenta)); border-radius: 999px; transition: top .15s ease-out, height .15s ease-out; }
.scroll-rail .percent { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); margin-top: 4px; font-variant-numeric: tabular-nums; width: 100%; text-align: center; }
.device-area.mobile-mode .scroll-rail { display: flex; }

/* Portfolio Thumbs */
.portfolio-thumbs { margin-top: 32px; display: flex; gap: 12px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.portfolio-thumbs::-webkit-scrollbar { height: 6px; }
.portfolio-thumbs::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
.thumb { flex-shrink: 0; width: 220px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; cursor: pointer; transition: all .3s var(--ease); text-align: right; }
.thumb:hover { border-color: var(--violet-soft); transform: translateY(-3px); }
.thumb.active { border-color: var(--violet); box-shadow: 0 0 0 1px var(--violet), 0 12px 30px -10px rgba(139, 92, 246, 0.4); }
.thumb .preview { aspect-ratio: 16 / 10; border-radius: 10px; margin-bottom: 10px; overflow: hidden; background: var(--surface-2); position: relative; background-size: cover; background-position: center; }
.thumb .meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.thumb .meta strong { font-size: 14px; font-weight: 600; }
.thumb .meta .pcat { color: var(--text-dim); font-family: var(--font-mono); font-size: 11px; }

/* Portfolio empty */
.portfolio-empty { text-align: center; padding: 80px 40px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); color: var(--text-muted); }

/* ============================================================
   STATS
   ============================================================ */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat { padding: 40px 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); position: relative; overflow: hidden; }
.stat .num { font-size: clamp(48px, 6vw, 80px); font-weight: 800; background: var(--grad-2); -webkit-background-clip: text; background-clip: text; color: transparent; letter-spacing: -0.04em; line-height: 1; }
.stat .lbl { color: var(--text-muted); margin-top: 12px; font-size: 15px; }

/* ============================================================
   PROCESS
   ============================================================ */
.process { background: var(--bg-soft); position: relative; overflow: hidden; }
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative; }
.process-grid::before { content: ''; position: absolute; top: 28px; inset-inline: 5%; height: 1px; background: linear-gradient(90deg, transparent, var(--border-strong), transparent); }
.step { text-align: center; position: relative; z-index: 1; }
.step .badge { width: 56px; height: 56px; border-radius: 999px; display: grid; place-items: center; background: var(--surface); border: 1px solid var(--border-strong); margin: 0 auto 20px; font-family: var(--font-mono); font-weight: 700; font-size: 16px; color: var(--violet-soft); position: relative; }
.step .badge::after { content: ''; position: absolute; inset: -6px; border-radius: 999px; border: 1px solid var(--border); }
.step h4 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--text-muted); font-size: 14px; }

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials .marquee { padding-block: 16px; }
.tcard { width: 380px; flex-shrink: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; }
.tcard p { font-size: 16px; line-height: 1.8; margin: 0 0 24px; color: var(--text); }
.tcard .who { display: flex; gap: 12px; align-items: center; }
.tcard .avatar { width: 44px; height: 44px; border-radius: 999px; background: linear-gradient(135deg, var(--violet-soft), var(--magenta)); display: grid; place-items: center; font-weight: 700; color: white; font-size: 16px; }
.tcard .who strong { display: block; font-size: 15px; }
.tcard .who span { color: var(--text-muted); font-size: 13px; }

/* ============================================================
   BLOG
   ============================================================ */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.post { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: transform .35s var(--ease), border-color .35s; display: block; }
.post:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.post .img { aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--surface-2), var(--surface-3)); position: relative; overflow: hidden; }
.post .img svg { width: 100%; height: 100%; }
.post .img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post .body { padding: 24px 28px 28px; }
.post .tag { font-family: var(--font-mono); font-size: 12px; color: var(--violet-soft); letter-spacing: 0.04em; }
.post h4 { font-size: 20px; margin: 10px 0 12px; line-height: 1.35; }
.post .body p { color: var(--text-muted); font-size: 14.5px; margin: 0 0 18px; }
.post .meta { display: flex; justify-content: space-between; align-items: center; color: var(--text-dim); font-size: 13px; font-family: var(--font-mono); }

/* ============================================================
   FAQ
   ============================================================ */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); overflow: hidden; transition: border-color .25s; }
.faq-item[open] { border-color: var(--border-strong); }
.faq-item summary { list-style: none; padding: 22px 26px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-weight: 600; font-size: 16.5px; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 999px; border: 1px solid var(--border-strong); flex-shrink: 0; transition: transform .3s, background .3s; color: var(--violet-soft); }
.faq-item[open] summary .plus { transform: rotate(45deg); background: var(--violet); color: white; border-color: var(--violet); }
.faq-item .ans { padding: 0 26px 24px; color: var(--text-muted); line-height: 1.8; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-wrap { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.contact-info h2 { font-size: clamp(36px, 5vw, 56px); letter-spacing: -0.02em; margin-bottom: 24px; }
.contact-info p { color: var(--text-muted); font-size: 17px; margin-bottom: 32px; max-width: 50ch; }
.contact-info .item { display: flex; gap: 16px; align-items: flex-start; padding: 18px 0; border-top: 1px solid var(--border); }
.contact-info .item:last-child { border-bottom: 1px solid var(--border); }
.contact-info .item .ico { width: 44px; height: 44px; border-radius: 12px; background: color-mix(in oklab, var(--violet) 20%, var(--surface-2)); border: 1px solid var(--border-strong); color: var(--violet-soft); display: grid; place-items: center; flex-shrink: 0; }
.contact-info .item strong { display: block; font-size: 15px; margin-bottom: 4px; }
.contact-info .item span { color: var(--text-muted); font-size: 14px; font-family: var(--font-mono); direction: ltr; text-align: right; display: block; }
.contact-form { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-xl); padding: 36px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; font-weight: 500; }
.field input, .field select, .field textarea { width: 100%; padding: 14px 16px; background: var(--bg); border: 1px solid var(--border); border-radius: 12px; color: var(--text); font-family: inherit; font-size: 15px; direction: rtl; transition: border-color .25s, background .25s; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--violet-soft); background: color-mix(in oklab, var(--violet) 5%, var(--bg)); }
.field select option { background: var(--bg); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
#tnFormMsg.success { background: rgba(34,211,238,0.1); border: 1px solid rgba(34,211,238,0.3); color: #22d3ee; }
#tnFormMsg.error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #ef4444; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { border-top: 1px solid var(--border); padding-block: 64px 32px; background: var(--bg-soft); position: relative; overflow: hidden; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer h5 { font-size: 13px; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 18px; font-weight: 500; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: var(--text-muted); font-size: 14.5px; transition: color .2s; }
.footer ul a:hover { color: var(--text); }
.footer .about p { color: var(--text-muted); font-size: 14.5px; max-width: 36ch; }
.footer-bot { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; color: var(--text-dim); font-size: 13px; font-family: var(--font-mono); flex-wrap: wrap; gap: 16px; }
.footer-bot .social { display: flex; gap: 10px; }
.footer-bot .social a { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--border-strong); border-radius: 999px; transition: all .25s; }
.footer-bot .social a:hover { background: var(--violet); border-color: var(--violet); color: white; }
.footer-glyph { position: absolute; font-size: clamp(120px, 22vw, 280px); font-weight: 900; color: var(--surface); bottom: -40px; left: 50%; transform: translateX(-50%); pointer-events: none; letter-spacing: -0.06em; z-index: 0; }
.footer .container { position: relative; z-index: 1; }

/* ============================================================
   PORTFOLIO ARCHIVE PAGE
   ============================================================ */
.portfolio-archive { padding-block: 56px; }
.port-filter { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 40px; }
.filter-btn { padding: 8px 20px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--text-muted); font-size: 14px; font-weight: 500; cursor: pointer; transition: all .25s; font-family: var(--font-fa); }
.filter-btn.active, .filter-btn:hover { background: var(--violet); border-color: var(--violet); color: white; }
.port-grid { display: grid; grid-template-columns: repeat(var(--cols, 3), 1fr); gap: 28px; }
.port-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: transform .35s var(--ease), border-color .35s; }
.port-card:hover { transform: translateY(-4px); border-color: color-mix(in oklab, var(--accent) 60%, transparent); }
.port-card-img { aspect-ratio: 16 / 10; position: relative; overflow: hidden; }
.port-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--ease); }
.port-card:hover .port-card-img img { transform: scale(1.05); }
.port-card-overlay { position: absolute; inset: 0; background: rgba(8,3,15,0.7); display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .35s; }
.port-card:hover .port-card-overlay { opacity: 1; }
.port-card-body { padding: 20px 24px 24px; }
.pcat { display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border-strong); color: var(--text-dim); }

/* ============================================================
   SINGLE POST CONTENT
   ============================================================ */
.post-content { line-height: 1.9; color: var(--text); }
.post-content h2, .post-content h3, .post-content h4 { margin-top: 2em; margin-bottom: .5em; }
.post-content h2 { font-size: clamp(24px, 3vw, 36px); }
.post-content h3 { font-size: clamp(20px, 2.5vw, 28px); }
.post-content p { margin-bottom: 1.4em; }
.post-content ul, .post-content ol { padding-right: 1.5em; margin-bottom: 1.4em; }
.post-content li { margin-bottom: .4em; }
.post-content img { border-radius: var(--radius); margin-block: 2em; max-width: 100%; }
.post-content blockquote { border-right: 3px solid var(--violet-soft); margin: 2em 0; padding: 16px 24px; background: var(--surface-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-style: italic; color: var(--text-muted); }
.post-content code { font-family: monospace; background: var(--surface-2); padding: 2px 6px; border-radius: 5px; font-size: 0.9em; }
.post-content pre { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; overflow-x: auto; margin-block: 1.8em; }
.post-content pre code { background: none; padding: 0; }
.post-content a { color: var(--violet-soft); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   PAGINATION
   ============================================================ */
.page-numbers { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); color: var(--text-muted); font-family: var(--font-mono); font-size: 14px; transition: all .25s; }
.page-numbers:hover, .page-numbers.current { background: var(--violet); border-color: var(--violet); color: white; }
.page-numbers.dots { border: none; }
nav.navigation.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 56px; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px) {
  .port-grid { --cols: 2; }
}
@media (max-width: 900px) {
  .depts-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; gap: 32px; }
  .process-grid::before { display: none; }
  .blog-grid { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
  .row-2 { grid-template-columns: 1fr; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: clamp(40px, 12vw, 80px); }
  .portfolio-head { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 700px) {
  .port-grid { --cols: 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-meta { grid-template-columns: 1fr 1fr; }
  .dept { padding: 28px; }
  .portfolio-stage { padding: 18px; }
  .device-area { min-height: 380px; }
  .contact-form { padding: 24px; }
}