/* =========================================================
   AiTeky — global stylesheet
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#0a0c12;
  --bg-alt:#0e1119;
  --surface:#131725;
  --surface-2:#191e30;
  --border:#252b40;
  --text:#f4f5f9;
  --text-dim:#a7adc2;
  --text-mute:#767d94;

  --violet:#8b5cf6;
  --cyan:#22d3ee;
  --lime:#c4f042;
  --pink:#f472b6;

  --grad-main: linear-gradient(120deg, var(--violet), var(--cyan));
  --grad-warm: linear-gradient(120deg, var(--pink), var(--violet));
  --grad-cta: linear-gradient(120deg, var(--lime), var(--cyan));

  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px -20px rgba(0,0,0,.6);
  --maxw: 1200px;
  --nav-h: 60px;
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; scroll-padding-top:calc(var(--nav-h) + 1px); }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',Inter,sans-serif;
  line-height:1.15;
  margin:0 0 .5em;
  letter-spacing:-.01em;
}
p{ margin:0 0 1em; color:var(--text-dim); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family:inherit; cursor:pointer; }

.container{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }
.section{ padding:50px 0; position:relative; }
#internships{ padding-top:25px; }
.section-tight{ padding:30px 0; }
#faculty, #why{ padding-top:0; }
.section-head{ max-width:640px; margin:0 auto 56px; text-align:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.75rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--cyan); background:rgba(34,211,238,.08); border:1px solid rgba(34,211,238,.25);
  padding:6px 14px; border-radius:999px; margin-bottom:16px;
}
.section-head h2{ font-size:clamp(1.8rem,3.4vw,2.6rem); }
.section-head p{ font-size:1.05rem; }
.text-grad{
  background:var(--grad-main);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:14px 26px; border-radius:999px; font-weight:700; font-size:.95rem;
  border:1px solid transparent; transition:transform .18s ease, box-shadow .18s ease, opacity .18s ease;
  white-space:nowrap;
}
.btn:active{ transform:scale(.97); }
.btn-primary{
  background:var(--grad-cta); color:#0a0c12; box-shadow:0 10px 30px -8px rgba(196,240,66,.4);
}
.btn-primary:hover{ box-shadow:0 14px 36px -8px rgba(196,240,66,.55); transform:translateY(-2px); }
.btn-outline{
  background:transparent; color:var(--text); border-color:var(--border);
}
.btn-outline:hover{ border-color:var(--cyan); color:var(--cyan); }
.btn-ghost{ background:rgba(255,255,255,.06); color:var(--text); }
.btn-ghost:hover{ background:rgba(255,255,255,.12); }
.btn-block{ width:100%; }
.btn-sm{ padding:10px 18px; font-size:.85rem; }

.btn-glass{
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border:1.5px solid rgba(255,255,255,.4);
  color:#fff;
}
.btn-glass svg{ color:var(--lime); }

.btn-flash{ animation:btn-multicolor-flash 2.2s ease-in-out infinite; }
@keyframes btn-multicolor-flash{
  0%, 100%{ background:var(--grad-cta); box-shadow:0 10px 30px -8px rgba(196,240,66,.4); }
  33%{ background:linear-gradient(120deg, var(--violet), var(--pink)); box-shadow:0 10px 30px -8px rgba(139,92,246,.55); }
  66%{ background:linear-gradient(120deg, var(--cyan), var(--violet)); box-shadow:0 10px 30px -8px rgba(34,211,238,.5); }
}
.btn-outline.btn-flash{ animation:btn-outline-flash 2.2s ease-in-out infinite; }
@keyframes btn-outline-flash{
  0%, 100%{ border-color:var(--lime); color:var(--lime); box-shadow:0 0 0 1px rgba(196,240,66,.2), 0 10px 26px -12px rgba(196,240,66,.5); }
  33%{ border-color:var(--violet); color:var(--violet); box-shadow:0 0 0 1px rgba(139,92,246,.2), 0 10px 26px -12px rgba(139,92,246,.55); }
  66%{ border-color:var(--cyan); color:var(--cyan); box-shadow:0 0 0 1px rgba(34,211,238,.2), 0 10px 26px -12px rgba(34,211,238,.55); }
}
@media (prefers-reduced-motion: reduce){
  .btn-flash{ animation:none; }
  .btn-outline.btn-flash{ animation:none; }
}
.btn-glass:hover{
  background:rgba(255,255,255,.16);
  border-color:var(--lime);
  box-shadow:0 0 0 1px rgba(196,240,66,.25), 0 12px 30px -10px rgba(34,211,238,.5);
  transform:translateY(-2px);
}

/* ---------- navbar ---------- */
.navbar{
  position:sticky; top:0; z-index:100; height:var(--nav-h);
  display:flex; align-items:center;
  background:rgba(10,12,18,.72); backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--border);
}
.navbar .container{ display:flex; align-items:center; justify-content:space-between; gap:24px; width:100%; }
.brand{ display:flex; align-items:center; gap:10px; font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:1.3rem; }
.brand-logo{ display:inline-flex; align-items:center; }
.brand-logo img{ display:block; height:32px; width:auto; }
.brand-logo-sm img{ height:26px; }
.logo-teky{
  margin-left:7px; font-family:'Satoshi','Space Grotesk',sans-serif; font-weight:700; font-style:normal;
  font-size:calc(1.7rem + 5pt); line-height:1.3; letter-spacing:-.01em;
  position:relative; top:-3px;
  background:linear-gradient(90deg, var(--violet), var(--cyan), var(--lime), var(--pink), var(--violet));
  background-size:300% auto; -webkit-background-clip:text; background-clip:text; color:transparent; -webkit-text-fill-color:transparent;
  isolation:isolate; -webkit-transform:translateZ(0); transform:translateZ(0);
  animation:logo-teky-flash 3.2s linear infinite;
}
.brand-logo-sm .logo-teky{ font-size:calc(1.4rem + 5pt); top:-2px; }
@keyframes logo-teky-flash{
  0%{ background-position:0% 50%; }
  100%{ background-position:300% 50%; }
}
@media (prefers-reduced-motion: reduce){
  .logo-teky{ animation:none; background-position:0% 50%; }
}
.brand-tagline{ display:none; align-items:center; gap:6px; font-family:Inter,sans-serif; font-weight:500; font-size:.68rem; color:var(--text-mute); letter-spacing:.05em; text-transform:uppercase; padding-left:10px; border-left:1px solid var(--border); }
.brand-tagline .tsep{ font-size:.6rem; font-weight:800; animation:tsep-flash 1.6s ease-in-out infinite; }
.brand-tagline .tsep:nth-of-type(2){ animation-delay:.4s; }
@keyframes tsep-flash{
  0%{ color:var(--violet); }
  33%{ color:var(--cyan); }
  66%{ color:var(--lime); }
  100%{ color:var(--violet); }
}
@media(min-width:841px){ .brand-tagline{ display:inline-flex; } }

.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-links > li{ position:relative; }
.nav-links a.nav-link{
  display:flex; align-items:center; gap:6px; padding:10px 14px; border-radius:10px; font-weight:600; font-size:.92rem; color:var(--text-dim);
  transition:color .15s, background .15s;
}
.nav-links a.nav-link:hover, .nav-links a.nav-link.active{ color:var(--text); background:rgba(255,255,255,.06); }
.has-dropdown .dropdown{
  position:absolute; top:calc(100% + 10px); left:0; min-width:300px;
  background:var(--surface); border:1px solid var(--border); border-radius:14px; padding:10px;
  box-shadow:var(--shadow); opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .18s, transform .18s, visibility .18s;
}
.has-dropdown:hover .dropdown, .has-dropdown.open .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown a{
  display:flex; flex-direction:column; gap:2px; padding:11px 12px; border-radius:10px; color:var(--text);
}
.dropdown a:hover{ background:var(--surface-2); }
.dropdown a strong{ font-size:.9rem; }
.dropdown a span{ font-size:.78rem; color:var(--text-mute); }
.nav-cta{ display:flex; align-items:center; gap:10px; }
.nav-toggle{ display:none; background:none; border:1px solid var(--border); border-radius:10px; padding:9px; color:var(--text); }
.nav-toggle svg{ width:20px; height:20px; }

/* ---------- hero slideshow ---------- */
.hero{
  position:relative; min-height:92vh; min-height:92dvh; display:flex; align-items:center; overflow:hidden;
  isolation:isolate;
}
.hero-slides{ position:absolute; inset:0; z-index:-2; }
.hero-slide{
  position:absolute; inset:0; background-size:cover; background-position:center;
  opacity:0; transform:scale(1.08); transition:opacity 1.6s ease, transform 8s ease;
}
.hero-slide.active{ opacity:1; transform:scale(1); }
.hero::after{
  content:''; position:absolute; inset:0; z-index:-1;
  background:linear-gradient(180deg, rgba(8,9,14,.3) 0%, rgba(8,9,14,.5) 65%, var(--bg) 100%),
             linear-gradient(90deg, rgba(8,9,14,.55) 0%, rgba(8,9,14,.1) 55%, rgba(8,9,14,.4) 100%);
}
.hero-content{ max-width:680px; padding:18px 0 45px; }
.hero h1{ font-size:clamp(2.4rem,5.2vw,3.9rem); margin-bottom:20px; text-shadow:0 2px 24px rgba(0,0,0,.55); }
.hero .hero-title-icons{
  display:flex; flex-wrap:nowrap; align-items:center; gap:.1em .22em;
  font-size:clamp(1.5rem,4vw,3.2rem); white-space:nowrap;
}
.hti-item{ display:inline-flex; align-items:center; gap:.12em; }
.hti-icon{
  display:inline-flex; align-items:center; justify-content:center; flex:none;
  width:.58em; height:.58em; padding:.13em; border-radius:.18em;
  background:var(--grad-main); color:#0a0c12; box-shadow:0 .1em .3em -0.08em rgba(139,92,246,.5);
}
.hti-icon svg{ width:100%; height:100%; }
.hti-item:nth-child(2) .hti-icon{ background:linear-gradient(120deg, var(--pink) 0%, #ef4444 45%, var(--violet) 100%); box-shadow:0 .1em .3em -0.08em rgba(239,68,68,.5); }
.hti-item:nth-child(3) .hti-icon{ background:var(--grad-cta); box-shadow:0 .1em .3em -0.08em rgba(196,240,66,.5); }
.hero-lead{ font-size:1.15rem; color:var(--text); font-weight:600; max-width:560px; text-shadow:0 1px 14px rgba(0,0,0,.6); }
.text-flash{ font-weight:700; animation:text-color-flash 2.4s ease-in-out infinite; }
@keyframes text-color-flash{
  0%, 100%{ color:var(--lime); }
  33%{ color:var(--pink); }
  66%{ color:var(--cyan); }
}
@media (prefers-reduced-motion: reduce){ .text-flash{ animation:none; color:var(--lime); } }
.text-flash-btn{
  display:inline-flex; align-items:center; font-weight:800; font-size:.85em;
  padding:.08em .6em; border-radius:999px; color:#0a0c12; text-decoration:none;
  background:var(--grad-cta); animation:btn-multicolor-flash 2.4s ease-in-out infinite;
  box-shadow:0 4px 14px -4px rgba(196,240,66,.6); transition:transform .15s ease;
  vertical-align:middle;
}
.text-flash-btn:hover{ transform:translateY(-1px) scale(1.04); }
@media (prefers-reduced-motion: reduce){ .text-flash-btn{ animation:none; } }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-top:34px; }
.hero-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px 20px; margin-top:56px; }
.hero-stats div strong{ display:block; font-family:'Space Grotesk',sans-serif; font-size:1.7rem; background:var(--grad-cta); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hero-stats div span{ font-size:.82rem; color:var(--text-mute); }
.hero-dots{ position:absolute; right:28px; bottom:36px; display:flex; flex-direction:column; gap:10px; z-index:1; }
.hero-dots button{ width:9px; height:9px; border-radius:50%; background:rgba(255,255,255,.3); border:none; padding:0; transition:.2s; }
.hero-dots button.active{ background:var(--lime); width:9px; height:24px; border-radius:6px; }

/* ---------- marquee ---------- */
.marquee-wrap{ border-top:1px solid var(--border); border-bottom:1px solid var(--border); background:var(--bg-alt); padding:22px 0; overflow:hidden; }
.marquee{ display:flex; gap:56px; width:max-content; animation:scroll 26s linear infinite; align-items:center; }
.marquee span{ font-family:'Space Grotesk',sans-serif; font-weight:600; color:var(--text-mute); font-size:.95rem; white-space:nowrap; display:flex; align-items:center; gap:10px; }
.marquee span::before{ content:''; width:6px; height:6px; border-radius:50%; background:var(--cyan); }
@keyframes scroll{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }

/* ---------- course cards ---------- */
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:14px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }

.course-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden;
  display:flex; flex-direction:column; transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.course-card:hover{ transform:translateY(-6px); border-color:rgba(139,92,246,.5); box-shadow:var(--shadow); }
.course-card .thumb{ position:relative; height:190px; overflow:hidden; }
.course-card .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .5s ease; }
.course-card:hover .thumb img{ transform:scale(1.08); }
.course-card .thumb .badge{
  position:absolute; top:14px; left:14px; background:rgba(10,12,18,.75); backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.15); color:#fff; font-size:.72rem; font-weight:700; padding:6px 12px; border-radius:999px;
}
.course-card .body{ padding:26px; display:flex; flex-direction:column; gap:14px; flex:1; }
.course-card h3{ font-size:1.28rem; }
.course-card .meta{ display:flex; gap:16px; flex-wrap:wrap; font-size:.82rem; color:var(--text-mute); }
.course-card .meta b{ color:var(--text); }
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{ background:var(--surface-2); border:1px solid var(--border); color:var(--text-dim); font-size:.74rem; font-weight:600; padding:5px 11px; border-radius:999px; text-decoration:none; display:inline-block; }
a.tag{ transition:color .15s, border-color .15s; }
a.tag:hover{ color:var(--cyan); border-color:var(--cyan); }
.tools-tags .tag.tag-blink{ animation:tag-multicolor-blink .4s ease-in-out 3; }
@keyframes tag-multicolor-blink{
  0%, 100%{ background:var(--surface-2); border-color:var(--border); color:var(--text-dim); box-shadow:none; }
  25%{ background:rgba(139,92,246,.28); border-color:var(--violet); color:#fff; box-shadow:0 0 10px -2px rgba(139,92,246,.8); }
  50%{ background:rgba(34,211,238,.28); border-color:var(--cyan); color:#fff; box-shadow:0 0 10px -2px rgba(34,211,238,.8); }
  75%{ background:rgba(196,240,66,.28); border-color:var(--lime); color:#0a0c12; box-shadow:0 0 10px -2px rgba(196,240,66,.8); }
}
@media (prefers-reduced-motion: reduce){
  .tools-tags .tag.tag-blink{ animation:none; }
}
.course-card .foot{ display:flex; align-items:center; justify-content:space-between; margin-top:auto; padding-top:8px; border-top:1px dashed var(--border); }
.price{ font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:1.2rem; }
.price small{ display:block; font-family:Inter,sans-serif; font-weight:500; font-size:.68rem; color:var(--text-mute); text-transform:uppercase; }

/* ---------- feature grid ---------- */
.feature-card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:28px;
  transition:border-color .2s, transform .2s;
}
.feature-card:hover{ border-color:rgba(34,211,238,.4); transform:translateY(-4px); }
.feature-icon{
  width:48px; height:48px; border-radius:13px; display:flex; align-items:center; justify-content:center;
  background:var(--grad-main); margin-bottom:18px; color:#0a0c12;
}
.feature-icon svg{ width:24px; height:24px; }
.feature-card h4{ font-size:1.05rem; margin-bottom:8px; }
.feature-card p{ font-size:.92rem; margin:0; }

/* ---------- faculty ---------- */
.faculty-card{ display:block; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; text-align:left; color:inherit; text-decoration:none; transition:border-color .15s; }
a.faculty-card:hover{ border-color:var(--cyan); }
.faculty-card .photo{ height:230px; overflow:hidden; }
.faculty-card .photo img{ width:100%; height:100%; object-fit:cover; filter:grayscale(15%); }
.faculty-card .info{ padding:20px; }
.faculty-card h4{ font-size:1.05rem; margin-bottom:2px; }
.faculty-card .role{ color:var(--cyan); font-size:.82rem; font-weight:700; margin-bottom:10px; }
.faculty-card p{ font-size:.86rem; margin-bottom:12px; }

/* ---------- gallery / carousel ---------- */
.carousel{ position:relative; border-radius:var(--radius); overflow:hidden; }
.carousel-track{ display:flex; transition:transform .5s cubic-bezier(.6,.1,.2,1); }
.carousel-track img{ width:100%; flex:0 0 100%; height:420px; object-fit:cover; }
.carousel-nav{ position:absolute; inset:0; display:flex; align-items:center; justify-content:space-between; padding:0 14px; pointer-events:none; }
.carousel-nav button{
  pointer-events:all; width:42px; height:42px; border-radius:50%; border:1px solid rgba(255,255,255,.25);
  background:rgba(10,12,18,.55); backdrop-filter:blur(6px); color:#fff; display:flex; align-items:center; justify-content:center;
}
.carousel-dots{ display:flex; gap:8px; justify-content:center; margin-top:16px; }
.carousel-dots button{ width:8px; height:8px; border-radius:50%; background:var(--border); border:none; }
.carousel-dots button.active{ background:var(--cyan); width:22px; border-radius:5px; transition:.2s; }

/* ---------- curriculum accordion ---------- */
.accordion-item{ background:var(--surface); border:1px solid var(--border); border-radius:14px; margin-bottom:14px; overflow:hidden; }
.accordion-head{
  display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 24px; background:none; border:none; width:100%; text-align:left; color:var(--text);
}
.accordion-head > span:first-child{ display:flex; align-items:center; min-width:0; }
.accordion-head .num{ font-family:'Space Grotesk',sans-serif; font-weight:700; color:var(--cyan); font-size:.85rem; margin-right:14px; flex:none; }
.accordion-head h4{ font-size:1.02rem; margin:0; min-width:0; }
.accordion-head .hrs{ font-size:.78rem; color:var(--text-mute); font-weight:600; white-space:nowrap; }
.accordion-head .chev{ width:20px; height:20px; flex:none; transition:transform .25s; color:var(--text-mute); }
.accordion-item.open .chev{ transform:rotate(180deg); }
.accordion-body{ max-height:0; overflow:hidden; transition:max-height .3s ease; }
.accordion-item.open .accordion-body{ max-height:900px; }
.accordion-body-inner{ padding:0 24px 22px 66px; }
.topic-list{ display:grid; grid-template-columns:1fr 1fr; gap:9px 20px; }
.topic-list li{ font-size:.88rem; color:var(--text-dim); display:flex; gap:9px; align-items:flex-start; }
.topic-list li::before{ content:'▹'; color:var(--lime); flex:none; }

/* ---------- certificate showcase ---------- */
.cert-showcase{
  max-width:820px; margin:0 auto; padding:14px; background:var(--surface);
  border:1px solid var(--border); border-radius:20px;
  box-shadow:0 30px 70px -30px rgba(0,0,0,.7);
}
.cert-showcase img{
  width:100%; height:auto; display:block; border-radius:12px;
  box-shadow:0 0 0 1px rgba(0,0,0,.06);
}

/* ---------- stats / cta banner ---------- */
.stats-bar{ display:grid; grid-template-columns:repeat(4,1fr); gap:10px; }
.stat-box{ text-align:center; padding:28px 12px; background:var(--surface); border:1px solid var(--border); border-radius:16px; }
.stat-box strong{ display:block; font-family:'Space Grotesk',sans-serif; font-size:2.1rem; background:var(--grad-main); -webkit-background-clip:text; background-clip:text; color:transparent; }
.stat-box span{ font-size:.8rem; color:var(--text-mute); }

.internship-banner{
  display:grid; grid-template-columns:1.15fr 1fr; align-items:stretch; gap:0;
  border-radius:26px; position:relative; overflow:hidden;
  background:linear-gradient(135deg, #17102b, #0e1b2b); border:1px solid var(--border);
}
.internship-banner::before{
  content:''; position:absolute; width:380px; height:380px; border-radius:50%; filter:blur(100px); opacity:.3;
  background:var(--grad-cta); bottom:-160px; left:-120px; pointer-events:none;
}
.internship-text{ position:relative; padding:48px; align-self:center; }
.internship-banner h2{ font-size:clamp(1.5rem,2.6vw,2rem); margin-top:14px; }
.internship-banner p{ font-size:1rem; }
.internship-banner .check-list{ margin-top:8px; margin-bottom:6px; }
.internship-disclaimer{ font-size:.78rem; color:var(--text-mute); margin-top:6px; margin-bottom:20px; }
.internship-media{ position:relative; min-height:280px; }
.internship-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.internship-media::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg, #0e1b2b 0%, rgba(14,27,43,0) 22%);
}
.placement-banner{
  display:grid; grid-template-columns:1fr 1.15fr; align-items:stretch; gap:0;
  border-radius:26px; position:relative; overflow:hidden;
  background:linear-gradient(135deg, #0e1b2b, #17102b); border:1px solid var(--border);
}
.placement-banner::before{
  content:''; position:absolute; width:380px; height:380px; border-radius:50%; filter:blur(100px); opacity:.3;
  background:var(--grad-main); top:-160px; right:-120px; pointer-events:none;
}
.placement-text{ position:relative; padding:48px; align-self:center; }
.placement-banner h2{ font-size:clamp(1.5rem,2.6vw,2rem); margin-top:14px; }
.placement-banner p{ font-size:1rem; }
.placement-banner .check-list{ margin-top:8px; margin-bottom:6px; }
.placement-disclaimer{ font-size:.78rem; color:var(--text-mute); margin-top:6px; margin-bottom:20px; }
.placement-media{ position:relative; min-height:280px; background:#0e1b2b; }
.placement-media img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.placement-media::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(270deg, #17102b 0%, rgba(23,16,43,0) 22%);
}
#placement{ padding-top:25px; }
@media (max-width:840px){
  .internship-banner{ grid-template-columns:1fr; }
  .internship-media{ min-height:220px; order:-1; }
  .internship-media::after{ background:linear-gradient(0deg, #0e1b2b 0%, rgba(14,27,43,0) 30%); }
  .internship-text{ padding:32px; }
  .placement-banner{ grid-template-columns:1fr; }
  .placement-media{ min-height:220px; }
  .placement-media::after{ background:linear-gradient(0deg, #17102b 0%, rgba(23,16,43,0) 30%); }
  .placement-text{ padding:32px; }
}

.cta-banner{
  border-radius:26px; padding:64px 48px; text-align:center; position:relative; overflow:hidden;
  background:linear-gradient(135deg, #17102b, #0e1b2b); border:1px solid var(--border);
}
.cta-banner::before{
  content:''; position:absolute; width:420px; height:420px; border-radius:50%; filter:blur(90px); opacity:.35;
  background:var(--grad-main); top:-160px; right:-100px;
}
.cta-banner h2{ font-size:clamp(1.7rem,3vw,2.3rem); position:relative; }
.cta-banner p{ position:relative; max-width:520px; margin-inline:auto; }
.cta-banner .hero-cta{ justify-content:center; position:relative; }

/* ---------- pricing detail box (course pages) ---------- */
.sticky-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:26px; position:sticky; top:calc(var(--nav-h) + 20px); }
.sticky-card .fee{ font-family:'Space Grotesk',sans-serif; font-size:2.1rem; font-weight:700; }
.sticky-card .fee small{ font-size:.9rem; color:var(--text-mute); font-weight:500; }
.info-row{ display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--border); font-size:.88rem; }
.info-row:last-of-type{ border-bottom:none; }
.info-row svg{ width:18px; height:18px; color:var(--cyan); flex:none; }
.info-row b{ color:var(--text); }
.check-list li{ display:flex; gap:10px; font-size:.9rem; color:var(--text-dim); padding:6px 0; align-items:flex-start; }
.check-list li svg{ width:18px; height:18px; color:var(--lime); flex:none; margin-top:1px; }

/* ---------- page hero (inner pages) ---------- */
.page-hero{ padding:150px 0 35px; position:relative; background:radial-gradient(1200px 500px at 20% -10%, rgba(139,92,246,.22), transparent), radial-gradient(900px 400px at 90% 0%, rgba(34,211,238,.16), transparent); border-bottom:1px solid var(--border); }
.page-hero-tight{ padding-top:18px; }
.breadcrumb{ font-size:.82rem; color:var(--text-mute); margin-bottom:18px; }
.breadcrumb a{ color:var(--text-dim); }
.breadcrumb a:hover{ color:var(--cyan); }

.hero-split-badge{ text-align:center; margin-bottom:11px; }
.hero-split{ display:grid; grid-template-columns:1.15fr 1fr; gap:22px; align-items:center; }
.hero-split-media .carousel-track img{ height:320px; }
@media (max-width:900px){
  .hero-split{ grid-template-columns:1fr; }
  .hero-split-media{ order:2; }
  .hero-split-text{ order:1; }
}

/* ---------- forms ---------- */
.form-card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); padding:36px; }
.field{ margin-bottom:18px; }
.field label{ display:block; font-size:.82rem; font-weight:700; margin-bottom:8px; color:var(--text-dim); }
.field input, .field select, .field textarea{
  width:100%; background:var(--bg-alt); border:1px solid var(--border); border-radius:10px; padding:13px 14px;
  color:var(--text); font-family:inherit; font-size:.95rem; transition:border-color .15s;
}
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--cyan); }
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.radio-group{ display:flex; gap:10px; flex-wrap:wrap; }
.radio-chip{ position:relative; }
.radio-chip input{ position:absolute; opacity:0; inset:0; cursor:pointer; }
.radio-chip span{ display:block; padding:10px 16px; border:1px solid var(--border); border-radius:999px; font-size:.85rem; font-weight:600; color:var(--text-dim); }
.radio-chip input:checked + span{ background:var(--grad-main); color:#0a0c12; border-color:transparent; }
.form-note{ font-size:.78rem; color:var(--text-mute); margin-top:14px; }
.form-alert{ padding:14px 16px; border-radius:10px; font-size:.88rem; margin-bottom:18px; display:none; }
.form-alert.show{ display:block; }
.form-alert.success{ background:rgba(196,240,66,.1); border:1px solid rgba(196,240,66,.4); color:var(--lime); }
.form-alert.error{ background:rgba(244,114,182,.1); border:1px solid rgba(244,114,182,.4); color:var(--pink); }

/* ---------- contact page ---------- */
.contact-info-card{ display:flex; gap:16px; padding:22px; background:var(--surface); border:1px solid var(--border); border-radius:16px; }
.contact-info-card .ic{ width:46px; height:46px; border-radius:12px; background:var(--grad-main); display:flex; align-items:center; justify-content:center; flex:none; color:#0a0c12; }
.contact-info-card .ic svg{ width:22px; height:22px; }
.map-embed{ border-radius:var(--radius); overflow:hidden; border:1px solid var(--border); height:340px; }
.map-embed iframe{ width:100%; height:100%; border:0; filter:grayscale(35%) invert(92%) contrast(90%); }

/* ---------- blog ---------- */
.blog-toc{ display:flex; flex-wrap:wrap; gap:10px; }
.blog-toc a{ background:var(--surface); border:1px solid var(--border); color:var(--text-dim); font-size:.85rem; font-weight:600; padding:9px 16px; border-radius:999px; transition:color .15s, border-color .15s; }
.blog-toc a:hover{ color:var(--cyan); border-color:var(--cyan); }
.blog-article{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; scroll-margin-top:calc(var(--nav-h) + 16px); }
.blog-article .cover{ height:320px; overflow:hidden; }
.blog-article .cover img{ width:100%; height:100%; object-fit:cover; }
.blog-article .content{ padding:36px; }
.blog-meta{ display:flex; flex-wrap:wrap; gap:14px; font-size:.82rem; color:var(--text-mute); margin-bottom:14px; }
.blog-meta span{ display:flex; align-items:center; gap:6px; }
.blog-article h2{ font-size:clamp(1.5rem,2.6vw,1.9rem); margin-bottom:14px; }
.blog-article h3{ font-size:1.15rem; margin:26px 0 10px; }
.blog-article p{ font-size:.98rem; }
.blog-article ul{ margin:0 0 16px; padding-left:0; }
.blog-article ul li{ font-size:.96rem; color:var(--text-dim); display:flex; gap:9px; align-items:flex-start; padding:5px 0; }
.blog-article ul li::before{ content:'▹'; color:var(--lime); flex:none; }
.blog-source{ margin-top:24px; padding-top:20px; border-top:1px solid var(--border); font-size:.85rem; color:var(--text-mute); }
.blog-source a{ color:var(--cyan); font-weight:600; }
.blog-source a:hover{ text-decoration:underline; }
.blog-actions{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:14px; margin-bottom:22px; padding-bottom:20px; border-bottom:1px solid var(--border); }
.blog-listen{ display:flex; align-items:center; gap:8px; background:var(--surface-2); border:1px solid var(--border); color:var(--text); font-size:.85rem; font-weight:700; padding:9px 16px; border-radius:999px; transition:border-color .15s, color .15s; }
.blog-listen:hover{ border-color:var(--cyan); color:var(--cyan); }
.blog-listen.playing{ border-color:var(--lime); color:var(--lime); }
.blog-share{ display:flex; align-items:center; gap:8px; }
.blog-share span{ font-size:.78rem; color:var(--text-mute); font-weight:600; margin-right:2px; }
.blog-share a, .blog-share button{ width:34px; height:34px; border-radius:50%; background:var(--surface-2); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; color:var(--text-dim); transition:.15s; flex:none; }
.blog-share a:hover, .blog-share button:hover{ color:#fff; border-color:transparent; }
.blog-share .share-whatsapp:hover{ background:#25D366; }
.blog-share .share-x:hover{ background:#000; }
.blog-share .share-facebook:hover{ background:#1877F2; }
.blog-share .share-linkedin:hover{ background:#0A66C2; }
.blog-share .share-copy:hover{ background:var(--violet); }
.blog-share .share-copy.copied{ background:var(--lime); color:#0a0c12; border-color:transparent; }
.voice-picker{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.voice-picker label{ display:flex; align-items:center; gap:6px; font-size:.82rem; font-weight:600; color:var(--text-mute); }
.voice-picker label svg{ color:var(--cyan); }
.voice-select{ background:var(--surface); border:1px solid var(--border); color:var(--text); font-size:.85rem; font-weight:600; padding:8px 12px; border-radius:10px; max-width:280px; }
.voice-select:focus{ outline:none; border-color:var(--cyan); }

/* ---------- footer ---------- */
footer{ background:var(--bg-alt); border-top:1px solid var(--border); padding:35px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:20px; margin-bottom:25px; }
.footer-grid h5{ font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color:var(--text-mute); margin-bottom:18px; }
.footer-grid li{ margin-bottom:11px; }
.footer-grid a{ color:var(--text-dim); font-size:.9rem; }
.footer-grid a:hover{ color:var(--cyan); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top:26px; border-top:1px solid var(--border); font-size:.82rem; color:var(--text-mute); flex-wrap:wrap; gap:12px; }
.social-row{ display:flex; gap:10px; }
.social-row a{ width:36px; height:36px; border-radius:10px; background:var(--surface); border:1px solid var(--border); display:flex; align-items:center; justify-content:center; }
.social-row svg{ width:16px; height:16px; }

/* ---------- misc ---------- */
.badge-soft{ display:inline-block; padding:5px 12px; border-radius:999px; font-size:.72rem; font-weight:700; background:rgba(139,92,246,.12); color:var(--violet); border:1px solid rgba(139,92,246,.3); }
.divider{ height:1px; background:var(--border); margin:30px 0; }
.two-col{ display:grid; grid-template-columns:1.4fr 1fr; gap:24px; align-items:start; }
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .6s ease, transform .6s ease; }
.reveal.in{ opacity:1; transform:translateY(0); }
.back-top{ position:fixed; right:22px; bottom:22px; width:48px; height:48px; border-radius:50%; background:var(--grad-main); display:flex; align-items:center; justify-content:center; color:#0a0c12; opacity:0; pointer-events:none; transition:.25s; z-index:60; }
.back-top.show{ opacity:1; pointer-events:all; }

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-3{ grid-template-columns:1fr 1fr; }
  .grid-4{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .two-col{ grid-template-columns:1fr; }
  .stats-bar{ grid-template-columns:1fr 1fr; }
}
@media (max-width:840px){
  .nav-links, .nav-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .field-row{ grid-template-columns:1fr; }
  .hero-stats{ grid-template-columns:1fr 1fr; }
  .carousel-track img{ height:280px; }
  .hero-split-media .carousel-track img{ height:240px; }
}
@media (max-width:640px){
  .grid-3, .grid-2, .grid-4{ grid-template-columns:1fr; }
  .section{ padding:35px 0; }
  .section-head{ margin-bottom:36px; }
  .footer-grid{ grid-template-columns:1fr; gap:20px; }
  .stats-bar{ grid-template-columns:1fr 1fr; }
  .topic-list{ grid-template-columns:1fr; }
  .accordion-body-inner{ padding-left:24px; }
  .cta-banner{ padding:44px 24px; }
  .internship-text{ padding:24px; }
  .placement-text{ padding:24px; }
  .form-card{ padding:22px; }
  .carousel-track img{ height:220px; }
  .hero-split-media .carousel-track img{ height:200px; }
  .hero .hero-title-icons{ flex-wrap:wrap; white-space:normal; font-size:clamp(1.6rem,7vw,2.2rem); }
}

/* mobile nav panel */
.mobile-nav{
  position:fixed; inset:0; background:rgba(8,9,14,.97); z-index:200; padding:24px; display:flex; flex-direction:column; gap:6px;
  transform:translateX(100%); transition:transform .3s ease;
}
.mobile-nav.open{ transform:translateX(0); }
.mobile-nav .close-row{ display:flex; justify-content:flex-end; margin-bottom:20px; }
.mobile-nav a{ display:block; padding:16px 6px; font-size:1.15rem; font-weight:700; border-bottom:1px solid var(--border); }
.mobile-nav .sub{ padding-left:16px; font-size:.95rem; font-weight:500; color:var(--text-dim); border-bottom:none; padding-top:8px; padding-bottom:8px; }
.mobile-nav .btn{ margin-top:20px; }

/* ---------- AI chat assistant ---------- */
.chatbot-launcher-wrap{
  position:fixed; right:24px; top:75%; transform:translateY(-50%); z-index:200;
}
.chatbot-launcher-jump{
  display:flex; flex-direction:column; align-items:center; gap:8px;
  animation:cb-jump 5s ease-in-out infinite;
}
.chatbot-launcher-wrap.panel-open .chatbot-launcher-jump{ animation:none; }
.chatbot-tagline{
  background:var(--grad-cta); color:#0a0c12; font-weight:800; font-size:.82rem;
  padding:6px 14px; border-radius:999px; white-space:nowrap;
  box-shadow:0 8px 20px -6px rgba(196,240,66,.6);
  pointer-events:none;
}
.chatbot-launcher{
  width:60px; height:60px; border-radius:50%; border:none;
  background:var(--grad-cta); color:#0a0c12; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 10px 30px -8px rgba(196,240,66,.5);
  animation:btn-multicolor-flash 2.4s ease-in-out infinite;
  transition:transform .18s ease;
}
.chatbot-launcher:hover{ transform:scale(1.06); }
.chatbot-launcher svg{ width:30px; height:30px; }
.chatbot-launcher.open svg.ic-chat{ display:none; }
.chatbot-launcher:not(.open) svg.ic-close{ display:none; }
@keyframes cb-jump{
  0%, 55%, 100%{ transform:translateY(0); }
  62%{ transform:translateY(-16px); }
  69%{ transform:translateY(0); }
  76%{ transform:translateY(-9px); }
  83%{ transform:translateY(0); }
}
@media (prefers-reduced-motion: reduce){
  .chatbot-launcher-jump{ animation:none; }
}
.chatbot-panel{
  position:fixed; bottom:max(12px, calc(25% - 114px)); right:100px; z-index:200;
  width:min(380px, calc(100vw - 32px)); height:min(644px, calc(100vh - 120px));
  background:var(--surface); border:1.5px solid rgba(255,255,255,.45); border-radius:20px;
  display:flex; flex-direction:column; overflow:hidden;
  box-shadow:0 24px 60px -12px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.08);
  opacity:0; visibility:hidden; transform:translateY(16px) scale(.97);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.chatbot-panel.open{ opacity:1; visibility:visible; transform:translateY(0) scale(1); }
.chatbot-head{
  display:flex; align-items:center; gap:8px;
  padding:8px 14px; background:var(--grad-main); color:#fff; flex:none;
}
.chatbot-head .cb-avatar{ width:26px; height:26px; border-radius:50%; background:#fff; color:#0a0c12; display:flex; align-items:center; justify-content:center; flex:none; }
.chatbot-head .cb-avatar svg{ width:15px; height:15px; }
.chatbot-head .cb-title{ flex:1; min-width:0; }
.chatbot-head strong{ font-family:'Space Grotesk',sans-serif; font-size:.82rem; display:block; line-height:1.2; }
.chatbot-head span{ font-size:.64rem; opacity:.85; line-height:1.2; }
.chatbot-head .chatbot-close{ background:#fff; border:none; color:#0a0c12; width:24px; height:24px; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; flex:none; }
.chatbot-head .chatbot-close svg{ width:13px; height:13px; }
.chatbot-body{ flex:1; overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:10px; background:var(--bg); }
.cb-msg{ max-width:88%; padding:10px 14px; border-radius:14px; font-size:.86rem; line-height:1.5; }
.cb-msg.bot{ align-self:flex-start; background:var(--surface-2); border:1px solid var(--border); color:var(--text); border-bottom-left-radius:4px; }
.cb-msg.user{ align-self:flex-end; background:var(--grad-cta); color:#0a0c12; font-weight:600; border-bottom-right-radius:4px; }
.cb-msg.bot a{ color:var(--cyan); font-weight:700; text-decoration:underline; }
.cb-msg.bot ul{ margin:6px 0 0; padding-left:18px; }
.cb-msg.bot li{ margin-bottom:2px; }
.cb-chips{ display:flex; flex-wrap:wrap; gap:8px; padding:0 16px 12px; flex:none; }
.cb-chip{ background:var(--surface-2); border:1px solid var(--border); color:var(--text-dim); font-size:.76rem; padding:7px 12px; border-radius:999px; cursor:pointer; transition:border-color .15s, color .15s; }
.cb-chip:hover{ border-color:var(--cyan); color:var(--cyan); }
.cb-faq-list{ display:flex; flex-direction:column; gap:6px; margin-top:10px; }
.faq-q{
  display:block; width:100%; text-align:left; background:var(--surface); border:1px solid var(--border);
  color:var(--text); font-size:.82rem; line-height:1.4; padding:9px 12px; border-radius:10px; cursor:pointer;
  transition:border-color .15s, color .15s;
}
.faq-q:hover{ border-color:var(--cyan); color:var(--cyan); }
.chatbot-form{ display:flex; gap:8px; padding:12px 14px; border-top:1px solid var(--border); background:var(--surface); flex:none; }
.chatbot-form input{ flex:1; min-width:0; background:var(--surface-2); border:1px solid var(--border); border-radius:999px; padding:10px 16px; color:var(--text); font-size:.86rem; }
.chatbot-form input:focus{ outline:none; border-color:var(--cyan); }
.chatbot-form button{ width:40px; height:40px; border-radius:50%; border:none; background:var(--grad-cta); color:#0a0c12; display:flex; align-items:center; justify-content:center; cursor:pointer; flex:none; }
.cb-typing{ display:inline-flex; align-items:center; gap:3px; padding:4px 0; }
.cb-typing span{ width:6px; height:6px; border-radius:50%; background:var(--text-mute); display:inline-block; animation:cb-bounce 1.2s infinite; }
.cb-typing span:nth-child(2){ animation-delay:.15s; }
.cb-typing span:nth-child(3){ animation-delay:.3s; }
@keyframes cb-bounce{ 0%,60%,100%{ transform:translateY(0); opacity:.5; } 30%{ transform:translateY(-4px); opacity:1; } }
@media (prefers-reduced-motion: reduce){
  .chatbot-launcher{ animation:none; }
}
@media (max-width:480px){
  .chatbot-panel{ right:12px; left:12px; width:auto; height:min(65vh, 644px); }
  .chatbot-launcher-wrap{ right:16px; }
}