/* ============ TOKENS ============ */
:root{
  --bg: #05070d;
  --bg-soft: #0a0e18;
  --surface: #0d111c;
  --surface-2: #10151f;
  --border: rgba(255,255,255,0.08);
  --border-soft: rgba(255,255,255,0.06);
  --text: #f3f5fa;
  --text-dim: #9aa3b5;
  --text-faint: #6b7385;
  --blue-1: #5b8cff;
  --blue-2: #2f5cff;
  --blue-3: #7fb2ff;
  --purple: #8b6bff;
  --green: #33d192;
  --orange: #ff8a4c;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --ease: cubic-bezier(.16,.84,.44,1);
  --shadow-glow: 0 0 60px rgba(47,92,255,0.25);
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
}

html.light{
  --bg: #f6f8fc;
  --bg-soft: #eef1f8;
  --surface: #ffffff;
  --surface-2: #ffffff;
  --border: rgba(20,25,40,0.08);
  --border-soft: rgba(20,25,40,0.06);
  --text: #12141c;
  --text-dim: #4b5265;
  --text-faint: #8891a3;
  --shadow-glow: 0 0 60px rgba(47,92,255,0.12);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background .4s var(--ease), color .4s var(--ease);
}
h1,h2,h3{ font-family: var(--font-display); margin:0; letter-spacing:-0.02em; }
p{ margin:0; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family: inherit; border:none; background:none; cursor:pointer; color:inherit; }
img{ max-width:100%; display:block; }

::selection{ background: var(--blue-2); color:#fff; }

/* scrollbar */
::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background: var(--bg); }
::-webkit-scrollbar-thumb{ background: var(--surface-2); border-radius:10px; border:2px solid var(--bg); }

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline: 2px solid var(--blue-1);
  outline-offset: 3px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ============ CURSOR GLOW ============ */
.cursor-glow{
  position: fixed;
  top:0; left:0;
  width: 480px; height: 480px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle, rgba(47,92,255,0.10) 0%, rgba(47,92,255,0) 70%);
  transform: translate(-50%,-50%);
  transition: opacity .3s;
  will-change: transform;
}
html.light .cursor-glow{ background: radial-gradient(circle, rgba(47,92,255,0.07) 0%, rgba(47,92,255,0) 70%); }

/* ============ NAVBAR ============ */
.navbar{
  position: fixed;
  top:0; left:0; right:0;
  z-index: 100;
  padding: 18px 0;
  transition: all .35s var(--ease);
}
.navbar.scrolled{
  padding: 10px 0;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px) saturate(160%);
  border-bottom: 1px solid var(--border);
}
.nav-inner{
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
}
.logo{ display:flex; align-items:center; gap:10px; }
.logo-mark{ display:flex; filter: drop-shadow(0 0 12px rgba(91,140,255,.5)); }
.logo-text{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.1;
  color: var(--text);
  display:flex;
  flex-direction:column;
}
.logo-text small{
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.nav-links{ display:flex; align-items:center; gap: 34px; }
.nav-links a{
  position: relative;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-dim);
  padding: 6px 0;
  transition: color .25s;
}
.nav-links a:hover{ color: var(--text); }
.nav-links a.active{ color: var(--blue-1); }
.nav-links a.active::after{
  content:'';
  position:absolute;
  left:50%; bottom:-4px;
  width:4px; height:4px;
  background: var(--blue-1);
  border-radius:50%;
  transform: translateX(-50%);
  box-shadow: 0 0 8px var(--blue-1);
}

.nav-actions{ display:flex; align-items:center; gap:12px; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-weight:600; font-size:14.5px;
  padding: 13px 22px;
  border-radius: 999px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s;
  white-space: nowrap;
}
.btn svg{ transition: transform .3s var(--ease); }
.btn:hover svg{ transform: translateX(3px); }
.btn-primary{
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  color:#fff;
  box-shadow: 0 8px 24px rgba(47,92,255,.35);
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 12px 32px rgba(47,92,255,.5); }
.btn-small{ padding: 10px 18px; font-size: 13.5px; }
.btn-ghost{
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--blue-1); transform: translateY(-2px); background: var(--surface-2); background: color-mix(in srgb, var(--blue-2) 8%, var(--surface-2)); }

.theme-toggle{
  width: 40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  transition: all .3s var(--ease);
}
.theme-toggle:hover{ border-color: var(--blue-1); transform: rotate(20deg); }

.hamburger{
  display:none;
  width: 40px; height:40px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{
  width:20px; height:2px; background: var(--text);
  border-radius:2px;
  transition: all .3s var(--ease);
}
.hamburger.active span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2){ opacity:0; }
.hamburger.active span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ============ HERO ============ */
.hero{
  position: relative;
  padding: 168px 40px 0;
  overflow: hidden;
}
.hero-bg{ position:absolute; inset:0; z-index:0; pointer-events:none; }
.orb{
  position:absolute;
  border-radius:50%;
  filter: blur(90px);
  opacity: .35;
}
.orb-1{
  width:520px; height:520px;
  background: radial-gradient(circle, var(--blue-2), transparent 70%);
  top: -180px; right: -120px;
  animation: float-orb 14s ease-in-out infinite;
}
.orb-2{
  width:420px; height:420px;
  background: radial-gradient(circle, var(--purple), transparent 70%);
  top: 260px; left: -160px;
  opacity: .18;
  animation: float-orb 18s ease-in-out infinite reverse;
}
@keyframes float-orb{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(30px,40px) scale(1.08); }
}
.grid-overlay{
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black, transparent);
  opacity: .5;
}

.hero-inner{
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 40px;
  align-items: center;
}

.eyebrow-pill{
  display:inline-flex; align-items:center; gap:9px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--surface);
  background: color-mix(in srgb, var(--blue-2) 12%, var(--surface));
  border: 1px solid var(--border);
  border: 1px solid color-mix(in srgb, var(--blue-1) 30%, var(--border));
  color: var(--blue-1);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 26px;
}
.pulse-dot{
  width:6px; height:6px; border-radius:50%;
  background: var(--blue-1);
  box-shadow: 0 0 0 0 rgba(91,140,255,.6);
  animation: pulse 2s infinite;
}
@keyframes pulse{
  0%{ box-shadow: 0 0 0 0 rgba(91,140,255,.55); }
  70%{ box-shadow: 0 0 0 8px rgba(91,140,255,0); }
  100%{ box-shadow: 0 0 0 0 rgba(91,140,255,0); }
}

.hero-title{
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 700;
  line-height: 1.08;
  color: var(--text);
}
.grad-text{
  background: linear-gradient(100deg, var(--blue-1), var(--blue-3) 50%, var(--blue-2));
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shine 6s linear infinite;
}
@keyframes shine{
  to{ background-position: 200% center; }
}

.hero-desc{
  margin-top: 24px;
  max-width: 480px;
  font-size: 16.5px;
  color: var(--text-dim);
  line-height: 1.7;
}
.hero-actions{
  margin-top: 36px;
  display:flex; gap:14px; flex-wrap:wrap;
}

/* ---- laptop visual ---- */
.hero-visual{ position:relative; display:flex; justify-content:center; }
.laptop-wrap{
  position: relative;
  width: 100%;
  max-width: 520px;
  animation: laptop-bob 6s ease-in-out infinite;
}
@keyframes laptop-bob{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-14px); }
}

.laptop{ position:relative; z-index:2; }
.laptop-screen{
  background: linear-gradient(160deg, #171c2a, #0b0e17);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px 16px 6px 6px;
  padding: 10px 10px 22px;
  box-shadow: 0 40px 80px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.02) inset;
}
.screen-topbar{ display:flex; gap:6px; padding: 4px 6px 10px; }
.dot{ width:8px; height:8px; border-radius:50%; }
.d-red{ background:#ff5f57; } .d-yellow{ background:#febc2e; } .d-green{ background:#28c840; }

.screen-content{
  position: relative;
  background: radial-gradient(120% 140% at 20% 0%, #16264d 0%, #0a0f1c 55%, #070a12 100%);
  border-radius: 8px;
  padding: 22px 24px;
  min-height: 260px;
  overflow:hidden;
}
.screen-nav{
  display:flex; gap:18px;
  font-size: 10.5px; color: rgba(255,255,255,.4);
  margin-bottom: 26px;
}
.screen-nav-active{ color: #fff; }
.screen-brand{
  font-family: var(--font-display);
  font-size: 22px; font-weight:700;
  color:#fff; line-height:1.2;
  margin: 0 0 10px;
}
.screen-brand span{ color: var(--blue-1); }
.screen-tag{
  font-size: 12px;
  color: rgba(255,255,255,.55);
  line-height:1.6;
  max-width: 60%;
  margin-bottom: 16px;
}
.screen-cta{
  display:inline-block;
  font-size: 11px; font-weight:600;
  padding: 8px 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  color:#fff;
}
.screen-cube{
  position:absolute;
  right: -10px; bottom: -20px;
  opacity:.8;
  animation: cube-spin 10s linear infinite;
}
@keyframes cube-spin{
  0%,100%{ transform: rotate(0deg) scale(1); }
  50%{ transform: rotate(8deg) scale(1.05); }
}
.scan-line{
  position:absolute; left:0; right:0; height: 40%;
  background: linear-gradient(180deg, rgba(91,140,255,0) 0%, rgba(91,140,255,.08) 50%, rgba(91,140,255,0) 100%);
  animation: scan 5s ease-in-out infinite;
}
@keyframes scan{
  0%{ top:-40%; } 100%{ top:110%; }
}

.laptop-base{
  height: 16px;
  background: linear-gradient(160deg, #232838, #12151f);
  border-radius: 0 0 12px 12px;
  position: relative;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
}
.laptop-notch{
  position:absolute; left:50%; top:0;
  width: 70px; height:6px;
  background: #0b0e17;
  border-radius: 0 0 8px 8px;
  transform: translateX(-50%);
}
.laptop-shadow{
  position:absolute;
  left:10%; right:10%; bottom:-30px;
  height: 40px;
  background: radial-gradient(ellipse, rgba(0,0,0,.5), transparent 70%);
  z-index:1;
  filter: blur(6px);
}

.float-badge{
  position:absolute;
  width: 54px; height:54px;
  border-radius: 16px;
  display:flex; align-items:center; justify-content:center;
  background: var(--surface);
  background: color-mix(in srgb, var(--blue-2) 14%, var(--surface));
  border: 1px solid var(--border);
  border: 1px solid color-mix(in srgb, var(--blue-1) 25%, var(--border));
  color: var(--blue-1);
  box-shadow: 0 12px 30px rgba(47,92,255,.2), 0 0 0 1px rgba(255,255,255,.03) inset;
  z-index: 3;
  backdrop-filter: blur(6px);
}
.fb-1{ top: -6%; left: 4%; animation: badge-float 5s ease-in-out infinite; }
.fb-2{ top: 30%; right: -6%; animation: badge-float 6s ease-in-out infinite 1s; }
.fb-3{ bottom: 24%; left: -8%; animation: badge-float 5.5s ease-in-out infinite .5s; }
.fb-4{ bottom: -4%; right: 8%; animation: badge-float 6.5s ease-in-out infinite 1.5s; }
@keyframes badge-float{
  0%,100%{ transform: translateY(0) rotate(0deg); }
  50%{ transform: translateY(-16px) rotate(4deg); }
}

/* ============ STATS ============ */
.stats-bar{
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 90px auto 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 10px;
  box-shadow: 0 20px 60px -30px rgba(0,0,0,.5);
}
.stat{
  display:flex; align-items:center; gap:14px;
  padding: 10px 24px;
  border-right: 1px solid var(--border-soft);
  flex-wrap: wrap;
}
.stat:last-child{ border-right:none; }
.stat-icon{
  width: 42px; height:42px;
  border-radius: 12px;
  display:flex; align-items:center; justify-content:center;
  flex-shrink:0;
}
.icon-blue{ background: rgba(91,140,255,.14); color: var(--blue-1); }
.icon-purple{ background: rgba(139,107,255,.14); color: var(--purple); }
.icon-green{ background: rgba(51,209,146,.14); color: var(--green); }
.icon-orange{ background: rgba(255,138,76,.14); color: var(--orange); }

.stat-num, .stat-num-text{ font-family: var(--font-display); font-size: 24px; font-weight:700; color: var(--text); }
.stat-plus{ font-family: var(--font-display); font-size: 24px; font-weight:700; color: var(--text); margin-right:6px; }
.stat-label{ font-size: 13px; color: var(--text-faint); width:100%; margin-top:-2px; }

/* ============ SERVICES ============ */
.services{
  position: relative;
  z-index:1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 150px 40px 140px;
}
.section-head{ text-align:center; max-width: 620px; margin: 0 auto 60px; }
.eyebrow{
  display:inline-block;
  font-size: 12.5px; font-weight: 700;
  letter-spacing: .12em;
  color: var(--blue-1);
  margin-bottom: 14px;
}
.section-head h2{ font-size: clamp(30px, 4vw, 42px); margin-bottom: 16px; }
.section-head p{ color: var(--text-dim); font-size: 15.5px; line-height:1.7; }

.services-grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}
.service-card{
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 26px 60px;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
  overflow: hidden;
}
.service-card::after{
  content:'';
  position:absolute;
  top:0; left:0; right:0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue-1), var(--purple));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .45s var(--ease);
}
.service-card:hover::after{ transform: scaleX(1); }
.service-card::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(160deg, rgba(91,140,255,.08), transparent 60%);
  opacity:0;
  transition: opacity .4s;
}
.service-card:hover{
  transform: translateY(-8px);
  border-color: var(--blue-1);
  border-color: color-mix(in srgb, var(--blue-1) 35%, var(--border));
  box-shadow: 0 24px 48px -20px rgba(47,92,255,.28);
}
.service-card:hover::before{ opacity:1; }
.service-icon{
  width: 52px; height:52px;
  border-radius: 14px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom: 22px;
  transition: transform .4s var(--ease);
}
.service-card:hover .service-icon{ transform: scale(1.08) rotate(-4deg); }
.icon-blue-bg{ background: linear-gradient(135deg,#5b8cff,#2f5cff); color:#fff; }
.icon-purple-bg{ background: linear-gradient(135deg,#a78bff,#7c5cff); color:#fff; }
.icon-green-bg{ background: linear-gradient(135deg,#4fe0a8,#1fb787); color:#fff; }
.icon-orange-bg{ background: linear-gradient(135deg,#ffab6e,#ff7a3d); color:#fff; }

.service-card h3{ font-size: 19px; margin-bottom: 10px; position:relative; z-index:1; }
.service-card p{ font-size: 14.5px; color: var(--text-dim); line-height:1.65; position:relative; z-index:1; }
.card-arrow{
  position:absolute;
  right: 24px; bottom: 24px;
  width: 38px; height:38px;
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  transition: all .35s var(--ease);
}
.service-card:hover .card-arrow{
  background: linear-gradient(135deg, var(--blue-1), var(--blue-2));
  border-color: transparent;
  color:#fff;
  transform: translateX(4px) rotate(0deg);
}

.spacer-section{ height: 10px; }

/* ============ REVEAL ANIMATIONS ============ */
[data-reveal]{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
[data-reveal].in-view{ opacity:1; transform: translateY(0); }

/* ============ RESPONSIVE ============ */
@media (max-width: 1080px){
  .hero-inner{ grid-template-columns: 1fr; text-align:center; }
  .hero-desc{ margin-left:auto; margin-right:auto; }
  .hero-actions{ justify-content:center; }
  .hero-visual{ margin-top: 40px; }
  .stats-bar{ grid-template-columns: repeat(2,1fr); }
  .stat{ border-right:none; border-bottom: 1px solid var(--border-soft); padding: 18px 20px; }
  .services-grid{ grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 860px){
  .nav-links{
    position: fixed;
    top: 68px; left:16px; right:16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 22px;
    gap: 16px;
    transform: translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition: all .3s var(--ease);
    box-shadow: 0 20px 40px rgba(0,0,0,.3);
  }
  .nav-links.open{ transform: translateY(0); opacity:1; pointer-events:auto; }
  .hamburger{ display:flex; }
  .nav-actions .btn-small span{ display:none; }
}

@media (max-width: 640px){
  .nav-inner{ padding: 0 20px; }
  .hero{ padding: 140px 20px 0; }
  .services{ padding: 100px 20px 100px; }
  .services-grid{ grid-template-columns: 1fr; }
  .stats-bar{ grid-template-columns: 1fr 1fr; margin-top: 60px; }
  .btn span.btn-label-full{ display:none; }
  .nav-actions .btn-primary{ padding: 10px 14px; }
  .laptop-wrap{ max-width: 380px; }
  .float-badge{ width:44px; height:44px; }
}

/* Product Shooting card - PUC Notes button */
.service-card .service-btn{
  margin-top: 6px;
  margin-bottom: 4px;
  width: fit-content;
}

/* ============ PAGE TRANSITION (smooth navigation between pages) ============ */
.page-transition{
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(135deg, var(--blue-2), var(--blue-1));
  transform: translateY(0);
  transition: transform .65s var(--ease);
  pointer-events: none;
}
.page-transition.reveal{ transform: translateY(-100%); }
.page-transition::after{
  content:'';
  position:absolute;
  top:50%; left:50%;
  width:44px; height:44px;
  margin:-22px 0 0 -22px;
  border-radius:50%;
  border:3px solid rgba(255,255,255,.35);
  border-top-color:#fff;
  animation: pt-spin .8s linear infinite;
}
@keyframes pt-spin{ to{ transform: rotate(360deg); } }
.service-card{ cursor: pointer; }

/* ============ SERVICE DETAIL PAGES ============ */
.detail-hero{
  position: relative;
  z-index:1;
  padding: 168px 40px 70px;
  max-width: 1000px;
  margin: 0 auto;
  text-align:center;
}
.detail-hero .service-icon{ margin: 0 auto 26px; }
.detail-hero h1{
  font-size: clamp(34px,5vw,54px);
  margin-bottom: 20px;
}
.detail-hero p{
  max-width: 620px;
  margin: 0 auto;
  color: var(--text-dim);
  font-size: 16px;
  line-height:1.75;
}
.detail-back{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 13.5px; font-weight:600;
  color: var(--text-dim);
  margin-bottom: 30px;
}
.detail-back:hover{ color: var(--blue-1); }
.detail-back svg{ transition: transform .3s var(--ease); }
.detail-back:hover svg{ transform: translateX(-3px); }

.detail-features{
  position: relative;
  z-index:1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 40px 100px;
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 22px;
}
.detail-feature{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform .4s var(--ease), border-color .4s;
}
.detail-feature:hover{ transform: translateY(-6px); border-color: color-mix(in srgb, var(--blue-1) 35%, var(--border)); }
.detail-feature h4{ font-size:16px; margin:16px 0 8px; }
.detail-feature p{ font-size:14px; color:var(--text-dim); line-height:1.65; }

.detail-cta{
  position: relative;
  z-index:1;
  max-width: 900px;
  margin: 0 auto 140px;
  padding: 46px 40px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(91,140,255,.12), rgba(139,107,255,.08));
  border: 1px solid var(--border);
  text-align:center;
}
.detail-cta h3{ font-size: clamp(22px,3vw,30px); margin-bottom:12px; }
.detail-cta p{ color:var(--text-dim); margin-bottom:26px; font-size:15px; }

@media (max-width: 860px){
  .detail-features{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px){
  .detail-features{ grid-template-columns: 1fr; padding: 10px 20px 80px; }
  .detail-hero{ padding: 140px 20px 60px; }
}

/* ============ STUDENT PROJECTS PAGE ============ */
.projects-grid{
  position: relative;
  z-index:1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 40px 100px;
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.project-card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.project-card:hover{
  transform: translateY(-8px);
  border-color: color-mix(in srgb, var(--blue-1) 35%, var(--border));
  box-shadow: 0 24px 48px -20px rgba(47,92,255,.28);
}
.project-banner{
  height: 130px;
  position: relative;
  display:flex; align-items:center; justify-content:center;
  color:#fff;
  overflow: hidden;
}
.project-banner svg{ position:relative; z-index:1; opacity:.9; }
.project-banner::before{
  content:'';
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 22px 22px;
}
.banner-blue{ background: linear-gradient(135deg,#5b8cff,#2f5cff); }
.banner-purple{ background: linear-gradient(135deg,#a78bff,#7c5cff); }
.banner-green{ background: linear-gradient(135deg,#4fe0a8,#1fb787); }
.banner-orange{ background: linear-gradient(135deg,#ffab6e,#ff7a3d); }

.project-body{ padding: 22px 24px 26px; }
.project-body h4{ font-size:16.5px; margin-bottom:8px; }
.project-body p{ font-size:14px; color: var(--text-dim); line-height:1.6; margin-bottom:16px; }
.project-tags{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  font-size: 11.5px;
  font-weight: 600;
  padding: 5px 11px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
}

@media (max-width: 640px){
  .projects-grid{ padding: 10px 20px 80px; }
}

/* ============ ABOUT PAGE ============ */
.vm-grid{
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 40px 90px;
  display:grid;
  grid-template-columns: repeat(2,1fr);
  gap: 24px;
}
.vm-card{
  position:relative;
  background: var(--surface);
  border:1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 38px 32px;
  overflow:hidden;
  transition: transform .4s var(--ease), border-color .4s;
}
.vm-card:hover{ transform: translateY(-6px); border-color: color-mix(in srgb, var(--blue-1) 30%, var(--border)); }
.vm-card::before{
  content:'';
  position:absolute; inset:0;
  background: linear-gradient(160deg, rgba(91,140,255,.08), transparent 60%);
  opacity:0;
  transition: opacity .4s;
}
.vm-card:hover::before{ opacity:1; }
.vm-icon{
  width:54px; height:54px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:22px;
  position:relative; z-index:1;
}
.vm-card h3{ font-size:22px; margin-bottom:14px; position:relative; z-index:1; }
.vm-card p{ font-size:15px; color:var(--text-dim); line-height:1.75; position:relative; z-index:1; }

.about-stats{
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0 auto 100px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px 10px;
  box-shadow: 0 20px 60px -30px rgba(0,0,0,.5);
}

.about-story{
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 0 40px 30px;
  text-align:center;
  color: var(--text-dim);
  font-size: 15.5px;
  line-height: 1.85;
}

@media (max-width: 860px){
  .vm-grid{ grid-template-columns: 1fr; }
  .about-stats{ grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 640px){
  .vm-grid{ padding: 10px 20px 70px; }
  .about-story{ padding: 0 20px 20px; }
}