/* ============================================================
   ASTRA — Website system · Direction A "Editorial Institute"
   Warm paper base · deep ink · Iris gradient as sharp accent
   ============================================================ */

:root{
  /* surfaces (warm bone / paper) */
  --bg:        #FAF7F1;
  --bg-2:      #F4EFE5;
  --surface:   #FFFFFF;
  --surface-2: #F7F3EB;

  /* ink + text */
  --ink:    #15171E;
  --ink-2:  #2C2F39;
  --muted:  #63666F;
  --faint:  #8A8C95;

  /* lines (warm hairlines) */
  --line:   #E7E0D2;
  --line-2: #EFE9DC;

  /* brand accent — Iris */
  --accent:     #5B57E8;   /* indigo, primary actions */
  --accent-2:   #6366F1;
  --accent-ink: #4A45D6;   /* hover */
  --iris: linear-gradient(100deg,#37D2FF 0%,#3B82F6 30%,#6366F1 52%,#A855F7 76%,#EC4899 100%);
  --iris-soft: linear-gradient(120deg,rgba(55,210,255,.14),rgba(99,102,241,.12) 55%,rgba(236,72,153,.12));

  /* pillar tints */
  --c-create:     #37D2FF;
  --c-grade:      #3B82F6;
  --c-understand: #A855F7;  /* Iksha */
  --c-support:    #EC4899;

  /* azure (cool, scoped to MS section only) */
  --azure:      #0A66C2;
  --azure-ink:  #084C92;
  --azure-soft: #EBF2FB;
  --azure-line: #D5E4F6;

  /* type */
  --display: "Space Grotesk", system-ui, sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --mono: "Space Grotesk", ui-monospace, monospace;

  --maxw: 1200px;
  --gutter: 40px;
  --radius: 18px;
  --radius-lg: 26px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  background:var(--bg);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
}
a{color:inherit;text-decoration:none;}
img,svg{display:block;}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter);}
section{position:relative;}

/* ---------- editorial primitives ---------- */
.eyebrow{
  font-family:var(--body);font-weight:700;font-size:12px;
  letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
  display:flex;align-items:center;gap:12px;margin:0 0 22px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--ink);opacity:.55;}
.eyebrow .num{color:var(--accent);}

h1,h2,h3{font-family:var(--display);font-weight:600;letter-spacing:-.025em;line-height:1.04;margin:0;}
.h-display{font-size:clamp(40px,6vw,76px);}
.h1{font-size:clamp(34px,4.6vw,56px);}
.h2{font-size:clamp(27px,3.2vw,40px);}
.h3{font-size:clamp(20px,2vw,24px);letter-spacing:-.02em;}
.lead{font-size:clamp(17px,1.5vw,20px);color:var(--muted);line-height:1.6;text-wrap:pretty;}

.gradient-text{background:var(--iris);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--body);font-weight:700;font-size:15px;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform .15s ease,background .2s ease,box-shadow .2s ease,border-color .2s;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:#000;box-shadow:0 10px 24px -12px rgba(0,0,0,.5);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-ink);box-shadow:0 12px 26px -12px rgba(91,87,232,.7);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--ink);background:rgba(0,0,0,.02);}
.btn .arr{transition:transform .2s;}
.btn:hover .arr{transform:translateX(3px);}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);
  padding:7px 13px;border-radius:999px;
}
.kicker{font-family:var(--body);font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--faint);}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:60;background:rgba(250,247,241,.78);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .25s,background .25s,box-shadow .25s;}
.nav.scrolled{border-color:var(--line);box-shadow:0 1px 0 rgba(0,0,0,.02);}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:74px;}
.nav-logo{display:flex;align-items:center;gap:11px;}
.nav-logo img{height:34px;}
.nav-logo .wm{font-family:var(--display);font-weight:600;font-size:25px;letter-spacing:-.03em;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{font-size:14.5px;font-weight:600;color:var(--ink-2);transition:color .15s;white-space:nowrap;}
.nav-links a:hover{color:var(--accent);}
.nav-cta{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;}

/* ---------- section framing ---------- */
.sec{padding:64px 0;}
.sec-head{max-width:680px;margin:0 0 44px;}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- trust strip ---------- */
.trust{display:flex;align-items:center;gap:30px;flex-wrap:wrap;}
.trust .t-item{display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;}
.trust .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.badge-ph{height:40px;padding:0 14px;border:1px dashed var(--line);border-radius:9px;display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--faint);background:var(--surface);}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);}
.shadow-soft{box-shadow:0 30px 60px -40px rgba(20,23,30,.28);}

/* ---------- footer ph ---------- */
@media (max-width:1080px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:920px){
  :root{--gutter:22px;}
  .sec{padding:52px 0;}
}

/* ================= SECTIONS v2 ================= */

/* learning loop / platform */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);}
.loop-step{position:relative;padding:24px 24px;border-right:1px solid var(--line);}
.loop-step:last-child{border-right:0;}
.loop-top{display:flex;align-items:center;gap:9px;margin-bottom:13px;}
.loop-top .sw{width:14px;height:14px;border-radius:5px;background:var(--p);flex:none;}
.loop-top .pn{font-size:13px;font-weight:700;color:var(--p);letter-spacing:.01em;}
.loop-top .arrow{margin-left:auto;color:var(--faint);font-size:15px;}
.loop-step h3{font-size:18px;margin:0 0 7px;}
.loop-step p{font-size:13px;color:var(--muted);margin:0;line-height:1.55;}

/* products */
.products-head{margin-bottom:18px;}
.product + .product{margin-top:68px;}
.product.alt .prod-grid{direction:rtl;}
.product.alt .prod-grid > *{direction:ltr;}
.iksha-lockup{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.iksha-lockup img{height:44px;}
.iksha-lockup .sanskrit{font-size:12.5px;color:var(--muted);font-style:italic;border-left:1px solid var(--line);padding-left:14px;line-height:1.4;}

/* better together */
.synergy{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:50px;}
.syn{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;}
.syn .rel{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;font-size:15px;margin-bottom:10px;letter-spacing:-.01em;}
.syn .rel .a{color:var(--ca);}.syn .rel .b{color:var(--cb);}
.syn .rel .ar{color:var(--faint);font-weight:400;}
.syn p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.55;}

/* security */
.security{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.secgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:50px;}
.seccell{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;}
.seccell .ic{width:38px;height:38px;border-radius:10px;background:color-mix(in srgb,var(--accent) 12%,transparent);color:var(--accent);display:grid;place-items:center;margin-bottom:16px;}
.seccell h4{font-family:var(--display);font-weight:600;font-size:16px;margin:0 0 6px;letter-spacing:-.01em;}
.seccell p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.5;}

/* why human logic */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.why-stats{display:grid;grid-template-columns:1fr 1fr;gap:26px 34px;}
.why-stat .v{font-family:var(--display);font-weight:600;font-size:46px;letter-spacing:-.025em;line-height:1;}
.why-stat .v.grad{background:var(--iris);-webkit-background-clip:text;background-clip:text;color:transparent;}
.why-stat .l{font-size:14px;color:var(--muted);margin-top:8px;}
.hl-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px;}
.hl-card img{height:42px;margin-bottom:24px;}
.hl-card .pts{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.hl-card .pts li{display:flex;gap:12px;font-size:14.5px;color:var(--ink-2);}
.hl-card .pts .ck{width:20px;height:20px;flex:none;border-radius:6px;background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);display:grid;place-items:center;font-size:11px;font-weight:800;margin-top:2px;}
.hl-badges{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:26px;padding-top:24px;border-top:1px solid var(--line);}
.hl-badges img{height:42px;display:block;}
.foot-partners{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:28px 0;border-top:1px solid var(--line);}
.fp-badges{display:flex;align-items:center;gap:26px;flex-wrap:wrap;}
.fp-badges img{height:48px;display:block;}

/* final cta */
.cta-sec{background:#0E1118;color:#fff;border-radius:var(--radius-lg);position:relative;overflow:hidden;}
.cta-sec .glow{position:absolute;inset:-40% -10% auto -10%;height:120%;background:radial-gradient(45% 60% at 25% 30%,rgba(55,210,255,.22),transparent 60%),radial-gradient(45% 60% at 80% 40%,rgba(236,72,153,.22),transparent 60%),radial-gradient(50% 60% at 55% 100%,rgba(99,102,241,.26),transparent 60%);filter:blur(8px);pointer-events:none;}
.cta-inner{position:relative;padding:64px 40px;text-align:center;}
.cta-inner h2{color:#fff;max-width:720px;margin:0 auto 16px;}
.cta-inner p{color:rgba(255,255,255,.72);max-width:520px;margin:0 auto 32px;}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.cta-inner .priv{margin-top:24px;font-size:13px;color:rgba(255,255,255,.5);}
.btn-ondark{background:#fff;color:var(--ink);}

/* footer */
.foot{background:var(--bg-2);border-top:1px solid var(--line);padding:64px 0 40px;}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.foot-brand img{height:34px;}
.foot-brand .wm{font-family:var(--display);font-weight:600;font-size:24px;letter-spacing:-.03em;}
.foot p{font-size:13.5px;color:var(--muted);line-height:1.6;}
.foot h5{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 16px;}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:11px;}
.foot ul a{font-size:14px;color:var(--ink-2);}
.foot ul a:hover{color:var(--accent);}
.foot-badges{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin:14px 0 0;}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;align-items:center;padding-top:28px;border-top:1px solid var(--line);}
.foot-bottom .legal{font-size:12.5px;color:var(--faint);}
.foot-bottom .iksha-tag{font-size:12.5px;color:var(--muted);font-style:italic;}

@media (max-width:920px){
  .loop{grid-template-columns:1fr 1fr;}
  .loop-step:nth-child(2){border-right:0;}
  .loop-step{border-bottom:1px solid var(--line);}
  .synergy,.secgrid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;gap:36px;}
  .product.alt .prod-grid{direction:ltr;}
  .foot-top{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-inner{padding:60px 24px;}
}