/* ============================================================
   Sudarshan Consulting Services — TeachmintX-styled pages
   Matches teachmint.com: Inter, navy #1F3965, blue #1DA1F2,
   blue→purple gradient, clean white cards, soft motion.
   ============================================================ */
:root{
  --navy:#1F3965;            /* teachmint primary navy */
  --navy-2:#16294a;
  --blue:#1DA1F2;            /* teachmint accent blue */
  --blue-d:#0f8fe0;
  --purple:#9915A5;
  --grad:linear-gradient(135deg,#1DA1F2 0%,#7b2ff7 55%,#9915A5 100%);
  --grad-soft:linear-gradient(135deg,#eaf4ff 0%,#f3ecff 100%);
  --wa:#25D366;
  --ink:#14233b;
  --muted:#5b6b85;
  --line:#e4ebf3;
  --bg:#ffffff;
  --bg-alt:#F4F8FD;
  --bg-alt2:#F0F6FF;
  --radius:16px;
  --shadow:0 8px 30px rgba(31,57,101,.08);
  --shadow-lg:0 24px 60px rgba(31,57,101,.16);
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Inter',sans-serif;color:var(--navy);line-height:1.14;font-weight:800;margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:clamp(2rem,4.8vw,3.35rem)}
h2{font-size:clamp(1.55rem,3.4vw,2.35rem)}
h3{font-size:1.2rem;font-weight:700}
p{margin:0 0 1rem}
a{color:var(--blue-d);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.76rem;font-weight:800;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.muted{color:var(--muted)}
.center{text-align:center}
.gradtext{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Auth strip */
.authbar{background:var(--navy);color:#dfe8f6;font-size:.85rem}
.authbar .wrap{display:flex;gap:14px;align-items:center;justify-content:center;padding:8px 20px;flex-wrap:wrap}
.authbar b{color:#8fd0ff}

/* Header / nav */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand-wrap{display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:38px;width:auto;display:block}
.cobrand{display:flex;flex-direction:column;line-height:1.05;padding-left:14px;border-left:1px solid var(--line)}
.cobrand:hover{text-decoration:none}
.cobrand .tmx{font-size:1.08rem}
.cobrand small{font-size:.6rem;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);font-weight:700;margin-top:1px}
@media(max-width:560px){.cobrand{display:none}}
.nav-links{display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--navy);font-weight:600;font-size:.95rem}
.nav-links a:hover{color:var(--blue-d);text-decoration:none}
.nav-cta{background:var(--navy);color:#fff!important;padding:10px 18px;border-radius:10px;font-weight:700}
.nav-cta:hover{background:var(--navy-2);text-decoration:none}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;color:var(--navy);cursor:pointer}
@media(max-width:900px){.nav-links{display:none}.menu-btn{display:block}
  .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;gap:14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;padding:13px 22px;border-radius:11px;font-size:1rem;cursor:pointer;border:2px solid transparent;transition:.18s;font-family:'Inter',sans-serif}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-2)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(123,47,247,.3)}
.btn-navy{background:var(--blue);color:#fff}
.btn-navy:hover{background:var(--blue-d)}
.btn-wa{background:var(--wa);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-outline:hover{border-color:var(--blue)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#fff,var(--bg-alt2));padding:58px 0 50px;border-bottom:1px solid var(--line)}
.hero .wrap{position:relative;z-index:2}
.hero .lead{font-size:1.2rem;color:var(--muted);max-width:640px}
.hero-bg{position:absolute;inset:0;z-index:1;overflow:hidden}
.hero-bg span{position:absolute;border-radius:50%;filter:blur(46px);opacity:.45;animation:float 18s ease-in-out infinite}
.hero-bg span:nth-child(1){width:360px;height:360px;background:#7bc4ff;top:-110px;left:-60px}
.hero-bg span:nth-child(2){width:320px;height:320px;background:#d9b3ff;bottom:-120px;right:-40px;animation-delay:-5s}
.hero-bg span:nth-child(3){width:240px;height:240px;background:#a5d8ff;top:36%;right:24%;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-24px) scale(1.1)}66%{transform:translate(-22px,22px) scale(.92)}}
@media(prefers-reduced-motion:reduce){.hero-bg span{animation:none}}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}
.badge{display:inline-flex;align-items:center;gap:6px;background:rgba(219,234,250,.7);border:1px solid #d5e6fb;padding:8px 14px;border-radius:999px;font-size:.85rem;font-weight:700;color:var(--navy)}
.badge b{color:var(--blue-d)}

/* Breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);padding:14px 0}
.crumbs a{color:var(--muted)}.crumbs a:hover{color:var(--blue-d)}
.crumbs span{color:var(--navy);font-weight:600}

/* Sections */
section{padding:56px 0}
section.alt{background:var(--bg-alt)}
section.alt2{background:var(--bg-alt2)}
.section-head{max-width:740px;margin-bottom:28px}
.section-head.center{margin-left:auto;margin-right:auto}

/* Grid + cards */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card h3{margin-top:0}
.card .price{font-weight:800;font-size:1.5rem;color:var(--navy)}
.icon{width:48px;height:48px;border-radius:13px;background:var(--grad-soft);display:grid;place-items:center;font-size:1.4rem;margin-bottom:14px}

/* Feature blocks with images (teachmint style) */
.feat{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;margin:8px 0}
.feat.rev .feat-media{order:2}
@media(max-width:820px){.feat{grid-template-columns:1fr;gap:26px}.feat.rev .feat-media{order:0}}
.feat-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);background:#eef4fc;border:1px solid var(--line)}
.feat-media img{width:100%;display:block}
.feat h2{margin-bottom:.35em}
.feat .ticks{margin-top:14px}

/* Product hero media */
.hero-media{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
@media(max-width:820px){.hero-media{grid-template-columns:1fr}}
.shot{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);background:#eef4fc;border:1px solid var(--line)}
.shot img{width:100%;display:block}
.figtag{font-size:.8rem;color:var(--muted);margin-top:8px;text-align:center}
.pricetag{display:inline-flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin:12px 0 18px;box-shadow:var(--shadow)}
.pricetag .amt{font-size:2rem;font-weight:800;color:var(--navy)}
.pricetag .note{font-size:.85rem;color:var(--muted)}

/* Spec table */
.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec th,.spec td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-size:.95rem}
.spec th{width:42%;background:var(--bg-alt);color:var(--navy);font-weight:700}
.spec tr:last-child th,.spec tr:last-child td{border-bottom:0}

/* Feature ticks */
.ticks{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.ticks li{position:relative;padding-left:32px}
.ticks li:before{content:"✓";position:absolute;left:0;top:1px;width:21px;height:21px;background:var(--grad);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:.72rem;font-weight:800}

/* FAQ */
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:12px}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:15px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";float:right;color:var(--blue-d);font-weight:800}
.faq details[open] summary:after{content:"–"}
.faq details p{padding-bottom:15px;margin:0;color:var(--muted)}

/* CTA band — gradient */
.cta-band{background:var(--grad);color:#fff;border-radius:22px;padding:44px;text-align:center;box-shadow:0 20px 50px rgba(123,47,247,.25)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.9);max-width:580px;margin:0 auto 22px}

/* pills */
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:600;font-size:.9rem;color:var(--navy)}
.pill:hover{border-color:var(--blue);text-decoration:none}

/* Prose */
.prose{max-width:760px;margin:0 auto}
.prose h2{margin-top:1.6em}.prose h3{margin-top:1.3em}
.prose ul,.prose ol{padding-left:1.2em}.prose li{margin-bottom:.4em}
.prose blockquote{border-left:4px solid var(--blue);background:var(--bg-alt);margin:1.2em 0;padding:14px 18px;border-radius:0 12px 12px 0;color:var(--navy)}

/* Footer */
footer.site{background:var(--navy);color:#c3d2ea;padding:52px 0 28px;margin-top:10px}
footer.site h4{color:#fff;font-size:1rem;margin-bottom:14px}
footer.site a{color:#c3d2ea}footer.site a:hover{color:#8fd0ff}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
@media(max-width:820px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.foot-grid{grid-template-columns:1fr}}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:9px;font-size:.92rem}
.foot-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;font-size:.82rem;color:#93a4c4;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* TeachmintX wordmark */
.tmx{font-family:'Inter',sans-serif;font-weight:800;letter-spacing:-.02em;color:var(--navy)}
.tmx i{font-style:normal;color:var(--blue)}
.tmx sup{color:var(--blue);font-size:.62em;font-weight:800;margin-left:1px}
.authbar .tmx{color:#fff}.authbar .tmx i,.authbar .tmx sup{color:#8fd0ff}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:.6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* Floating WhatsApp */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;background:var(--wa);color:#fff;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow-lg);font-size:1.7rem}
.wa-float:hover{text-decoration:none;transform:scale(1.06)}


/* ===== SCS motion pack ===== */
@media (prefers-reduced-motion: no-preference){
@keyframes scsFadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes scsPop{0%{opacity:0;transform:scale(.82)}60%{transform:scale(1.06)}100%{opacity:1;transform:scale(1)}}
@keyframes scsShimmer{0%{transform:translateX(-160%) skewX(-20deg)}100%{transform:translateX(320%) skewX(-20deg)}}
@keyframes scsBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes scsGlow{0%,100%{box-shadow:0 8px 22px rgba(29,161,242,.22)}50%{box-shadow:0 12px 36px rgba(29,161,242,.5)}}
@keyframes scsFloat2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-26px,22px) scale(1.09)}}
.hero .eyebrow{animation:scsFadeUp .6s .05s both}
.hero h1{animation:scsFadeUp .7s .16s both}
.hero .lead{animation:scsFadeUp .7s .3s both}
.hero .badges{animation:scsFadeUp .7s .42s both}
.hero .btn-row{animation:scsFadeUp .7s .54s both}
.hero .hero-media,.hero figure,.hero>.wrap img,.hero picture{animation:scsFadeUp .85s .3s both}
.hero .badges .badge{animation:scsPop .5s both}
.hero .badges .badge:nth-child(1){animation-delay:.46s}
.hero .badges .badge:nth-child(2){animation-delay:.54s}
.hero .badges .badge:nth-child(3){animation-delay:.62s}
.hero .badges .badge:nth-child(4){animation-delay:.70s}
.card{transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s}
.card:hover{transform:translateY(-6px)}
.card .icon{transition:transform .3s cubic-bezier(.2,.7,.2,1)}
.card:hover .icon{transform:translateY(-4px) scale(1.14)}
.grid-3 .card{animation:scsFadeUp .6s both}
.grid-3 .card:nth-child(2){animation-delay:.1s}
.grid-3 .card:nth-child(3){animation-delay:.2s}
.grid-3 .card:nth-child(4){animation-delay:.3s}
.grid-3 .card:nth-child(5){animation-delay:.4s}
.grid-3 .card:nth-child(6){animation-delay:.5s}
.btn-primary{position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.btn-primary:hover{transform:translateY(-2px);animation:scsGlow 1.7s ease-in-out infinite}
.btn-primary::after{content:"";position:absolute;top:0;left:0;width:45%;height:100%;pointer-events:none;background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);animation:scsShimmer 4s ease-in-out infinite}
.wa-float{animation:scsBob 2.4s ease-in-out infinite}
.cta-band{position:relative;overflow:hidden}
}