/* ═══════════════════════════════════════
   Tridhi.ai — Main Stylesheet
   ═══════════════════════════════════════ */
:root{
  --navy:#07101F; --navy2:#0C1929; --card:#101D30; --card2:#132038;
  --blue:#1545A8; --cyan:#00C8FF; --cyan2:#00E8CC;
  --border:rgba(255,255,255,.08); --border2:rgba(255,255,255,.14);
  --text:#E6EDF8; --muted:#6E829E; --muted2:#8DA0B8;
  --success:#00C47A; --warn:#F5A623; --danger:#FF4566;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'DM Sans',sans-serif;background:var(--navy);color:var(--text);line-height:1.65;overflow-x:hidden;}
h1,h2,h3,h4{font-family:'Syne',sans-serif;}
a{text-decoration:none;color:inherit;}
::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:4px;}

/* ── BUTTONS ── */
.btn-primary{display:inline-block;padding:10px 24px;border-radius:10px;font-size:.88rem;font-weight:600;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;border:none;cursor:pointer;transition:opacity .15s,transform .15s;}
.btn-primary:hover{opacity:.88;transform:translateY(-1px);}
.btn-ghost{display:inline-block;padding:10px 24px;border-radius:10px;font-size:.88rem;font-weight:500;background:transparent;color:var(--text);border:1px solid var(--border2);cursor:pointer;transition:background .15s,transform .15s;}
.btn-ghost:hover{background:rgba(255,255,255,.05);transform:translateY(-1px);}
.btn-lg{padding:13px 30px;font-size:.95rem;}
.btn-submit{width:100%;padding:12px;border-radius:10px;font-size:.9rem;font-weight:700;font-family:'Syne',sans-serif;}
.btn-submit:disabled{opacity:.5;cursor:not-allowed;}

/* ── NAV ── */
.nav{position:sticky;top:0;z-index:100;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 3rem;background:rgba(7,16,31,.97);border-bottom:1px solid var(--border);backdrop-filter:blur(20px);}
.nav-logo{display:flex;align-items:center;gap:10px;}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:10px;color:#fff;letter-spacing:-.5px;flex-shrink:0;}
.logo-mark.sm{width:30px;height:30px;font-size:9px;}
.brand{font-family:'Syne',sans-serif;font-size:18px;font-weight:700;color:#fff;letter-spacing:-.3px;}
.brand-t{color:#fff;}
.brand em{color:var(--cyan);font-style:normal;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{padding:6px 13px;border-radius:8px;font-size:13px;font-weight:500;color:var(--muted);transition:all .15s;}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.05);}
.nav-right{display:flex;align-items:center;gap:10px;}
.btn-cta{padding:7px 18px;border-radius:9px;font-size:13px;font-weight:600;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#fff;border:none;cursor:pointer;transition:opacity .15s;white-space:nowrap;}
.btn-cta:hover{opacity:.88;}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;}
.hamburger span{display:block;width:22px;height:2px;background:var(--muted2);border-radius:2px;transition:all .2s;}

/* MOBILE MENU */
.mobile-menu{display:none;flex-direction:column;gap:2px;padding:.75rem 1.5rem 1rem;background:var(--navy2);border-bottom:1px solid var(--border);}
.mobile-menu.open{display:flex;}
.mobile-link{padding:10px 12px;border-radius:8px;font-size:.9rem;color:var(--muted2);transition:all .15s;}
.mobile-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.mobile-cta{margin-top:.5rem;text-align:center;padding:11px;}

/* ── HERO ── */
.hero{min-height:calc(100vh - 64px);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:4rem 2rem 5rem;position:relative;overflow:hidden;}
.hero-grid{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(0,200,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(0,200,255,.025) 1px,transparent 1px);background-size:60px 60px;}
.hero-glow{position:absolute;top:-10%;left:50%;transform:translateX(-50%);width:1000px;height:700px;pointer-events:none;background:radial-gradient(ellipse,rgba(21,69,168,.32) 0%,transparent 65%);}
.hero-inner{position:relative;z-index:1;max-width:760px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(0,200,255,.08);border:1px solid rgba(0,200,255,.2);color:var(--cyan);font-size:11.5px;font-weight:600;letter-spacing:.07em;padding:5px 16px;border-radius:20px;margin-bottom:2rem;animation:fadeUp .6s ease both;}
.eyebrow-dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.3;transform:scale(.6);}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:translateY(0);}}
.hero h1{font-size:clamp(2.6rem,6vw,4.8rem);font-weight:800;letter-spacing:-2px;line-height:1.06;margin-bottom:1.5rem;animation:fadeUp .65s .1s ease both;}
.h1-line1{display:block;color:#fff;}
.h1-line2{display:block;background:linear-gradient(90deg,var(--cyan),var(--cyan2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-sub{font-size:1.05rem;color:var(--muted2);max-width:580px;line-height:1.8;margin:0 auto 2.5rem;animation:fadeUp .65s .2s ease both;}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;animation:fadeUp .65s .3s ease both;}

/* STATS BAR */
.stats-bar{display:flex;position:relative;z-index:1;border:1px solid var(--border);border-radius:14px;background:rgba(255,255,255,.03);margin:4rem auto 0;max-width:680px;overflow:hidden;animation:fadeUp .65s .4s ease both;}
.stat{flex:1;padding:1.25rem .75rem;text-align:center;border-right:1px solid var(--border);}
.stat:last-child{border-right:none;}
.stat-val{font-family:'Syne',sans-serif;font-size:1.75rem;font-weight:800;color:#fff;line-height:1;}
.stat-lbl{font-size:11px;color:var(--muted);margin-top:4px;}

/* ── SECTIONS ── */
.section{padding:5rem 3rem;}
.section-alt{background:var(--navy2);}
.section-contact{background:linear-gradient(180deg,var(--navy),rgba(21,69,168,.06));}
.section-hd{text-align:center;max-width:620px;margin:0 auto 3.5rem;}
.eyebrow-sm{font-size:11px;font-weight:700;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase;margin-bottom:.5rem;}
.section-hd h2{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:800;letter-spacing:-1px;color:#fff;margin-bottom:.75rem;}
.section-hd p{font-size:.88rem;color:var(--muted2);line-height:1.75;}

/* ── PRODUCTS GRID ── */
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;max-width:1200px;margin:0 auto;}
.product-card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:1.75rem;display:flex;flex-direction:column;gap:.85rem;transition:border-color .2s,transform .2s;position:relative;overflow:hidden;}
.product-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:rgba(0,200,255,.15);}
.card-active::before{background:linear-gradient(90deg,var(--blue),var(--cyan));}
.product-card:hover{border-color:var(--border2);transform:translateY(-3px);}
.card-top{display:flex;align-items:center;justify-content:space-between;}
.card-icon{width:44px;height:44px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:13px;}
.card-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;}
.card-cat{font-size:10px;color:var(--muted);font-weight:500;letter-spacing:.04em;}
.card-name{font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:800;color:#fff;}
.card-tag{font-size:.875rem;font-weight:500;color:var(--muted2);}
.card-desc{font-size:.82rem;color:var(--muted2);line-height:1.65;flex:1;}
.card-features{list-style:none;display:flex;flex-direction:column;gap:5px;}
.card-features li{font-size:.79rem;color:var(--muted2);display:flex;align-items:flex-start;gap:7px;}
.card-features li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--cyan);flex-shrink:0;margin-top:5px;}
.card-industries{display:flex;flex-wrap:wrap;gap:4px;}
.ind-chip{font-size:.7rem;padding:2px 8px;border-radius:20px;border:1px solid var(--border2);color:var(--muted);}
.card-footer{margin-top:auto;padding-top:.5rem;}
.card-btn{width:100%;padding:10px;border-radius:9px;font-size:.84rem;font-weight:600;text-align:center;display:block;}
.btn-waitlist{width:100%;padding:10px;border-radius:9px;font-size:.84rem;font-weight:600;background:rgba(0,200,255,.09);color:var(--cyan);border:1px solid rgba(0,200,255,.22);cursor:pointer;transition:background .15s;}
.btn-waitlist:hover{background:rgba(0,200,255,.16);}

/* PILLS */
.pill{display:inline-flex;padding:2px 9px;border-radius:20px;font-size:10px;font-weight:600;}
.pill-live{background:rgba(0,196,122,.1);color:var(--success);border:1px solid rgba(0,196,122,.25);}
.pill-soon{background:rgba(245,166,35,.1);color:var(--warn);border:1px solid rgba(245,166,35,.2);}

/* ── WHY GRID ── */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;max-width:1100px;margin:0 auto;}
.why-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:1.5rem;transition:border-color .2s;}
.why-card:hover{border-color:var(--border2);}
.why-num{font-family:'Syne',sans-serif;font-size:2.2rem;font-weight:800;color:rgba(0,200,255,.1);line-height:1;margin-bottom:.5rem;}
.why-title{font-family:'Syne',sans-serif;font-size:.95rem;font-weight:700;color:#fff;margin-bottom:.35rem;}
.why-desc{font-size:.82rem;color:var(--muted2);line-height:1.65;}

/* ── STACK GRID ── */
.stack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem;max-width:1100px;margin:0 auto;}
.stack-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.1rem 1.2rem;transition:all .2s;}
.stack-card:hover{border-color:var(--border2);transform:translateY(-1px);}
.stack-name{font-family:'Syne',sans-serif;font-size:.88rem;font-weight:700;color:#fff;margin-bottom:3px;}
.stack-role{font-size:.75rem;color:var(--muted);line-height:1.5;}

/* ── INDUSTRIES GRID ── */
.industries-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.85rem;max-width:1100px;margin:0 auto;}
.ind-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1rem 1.2rem;display:flex;align-items:center;gap:10px;transition:all .2s;}
.ind-card:hover{border-color:var(--border2);transform:translateY(-1px);}
.ind-icon{width:36px;height:36px;border-radius:9px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-family:'Syne',sans-serif;font-weight:800;font-size:.72rem;}
.ind-name{font-family:'Syne',sans-serif;font-size:.88rem;font-weight:700;color:#fff;}
.ind-desc{font-size:.72rem;color:var(--muted);margin-top:1px;}

/* ── CONTACT ── */
.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:4rem;max-width:1000px;margin:0 auto;}
.contact-left h2{text-align:left;font-size:clamp(1.5rem,3vw,2.2rem);margin-bottom:.75rem;}
.contact-sub{font-size:.88rem;color:var(--muted2);line-height:1.75;margin-bottom:1.5rem;}
.contact-items{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.5rem;}
.contact-item{display:flex;align-items:center;gap:10px;font-size:.88rem;color:var(--muted2);transition:color .15s;}
.contact-item:hover{color:var(--cyan);}
.ci-icon{width:30px;height:30px;border-radius:8px;flex-shrink:0;background:rgba(0,200,255,.1);border:1px solid rgba(0,200,255,.2);display:flex;align-items:center;justify-content:center;font-size:.85rem;color:var(--cyan);}
.offices{display:flex;flex-direction:column;gap:.5rem;}
.office{font-size:.84rem;color:var(--muted2);display:flex;align-items:center;gap:8px;}
.office strong{color:var(--text);}
.office-type{font-size:.72rem;padding:2px 8px;border-radius:20px;background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--muted);}
.contact-form{background:var(--card2);border:1px solid var(--border2);border-radius:18px;padding:2rem;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.form-field{margin-bottom:.9rem;}
.form-field label{display:block;font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-bottom:.35rem;}
.form-field input,.form-field select,.form-field textarea{width:100%;padding:10px 13px;border-radius:9px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--text);font-size:.875rem;outline:none;transition:border-color .15s;font-family:'DM Sans',sans-serif;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:rgba(0,200,255,.4);}
.form-field select option{background:var(--navy2);}
.form-field textarea{min-height:110px;resize:vertical;line-height:1.6;}
.req{color:var(--danger);}

/* ── FOOTER ── */
.footer{background:var(--navy2);border-top:1px solid var(--border);}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2.5rem;padding:3.5rem 3rem 2.5rem;max-width:1200px;margin:0 auto;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:1rem;}
.footer-tagline{font-size:.82rem;color:var(--muted2);line-height:1.65;max-width:220px;margin-bottom:1.25rem;}
.footer-social{display:flex;gap:.4rem;margin-bottom:1.25rem;}
.social-btn{width:30px;height:30px;border-radius:7px;font-size:.72rem;font-weight:700;background:rgba(255,255,255,.06);border:1px solid var(--border);color:var(--muted2);display:flex;align-items:center;justify-content:center;transition:all .15s;}
.social-btn:hover{background:rgba(0,200,255,.1);color:var(--cyan);border-color:rgba(0,200,255,.25);}
.footer-sites{display:flex;flex-wrap:wrap;gap:.35rem;}
.site-chip{font-size:.7rem;padding:2px 9px;border-radius:20px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:var(--muted);transition:all .15s;}
.site-chip:hover{color:var(--cyan);border-color:rgba(0,200,255,.25);}
.footer-col-hd{font-family:'Syne',sans-serif;font-size:.78rem;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:.9rem;}
.footer-link{display:block;font-size:.82rem;color:var(--muted);margin-bottom:.45rem;transition:color .15s;}
.footer-link:hover{color:var(--cyan);}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem;padding:1.25rem 3rem;border-top:1px solid var(--border);max-width:1200px;margin:0 auto;}
.footer-bottom p{font-size:.75rem;color:var(--muted);}
.footer-legal{display:flex;gap:1.25rem;}
.footer-legal a{font-size:.75rem;color:var(--muted);transition:color .15s;}
.footer-legal a:hover{color:var(--cyan);}

/* ── MODAL ── */
.modal-overlay{display:none;position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.7);backdrop-filter:blur(6px);align-items:center;justify-content:center;}
.modal-overlay.open{display:flex;}
.modal-box{background:var(--card2);border:1px solid var(--border2);border-radius:18px;padding:2rem;width:90%;max-width:400px;position:relative;animation:fadeUp .2s ease;}
.modal-close{position:absolute;top:.75rem;right:.75rem;width:28px;height:28px;border-radius:6px;background:rgba(255,255,255,.07);border:none;color:var(--muted);cursor:pointer;font-size:.8rem;transition:color .15s;}
.modal-close:hover{color:var(--text);}
.modal-icon{font-size:1.5rem;margin-bottom:.75rem;}
.modal-title{font-family:'Syne',sans-serif;font-size:1.1rem;font-weight:800;color:#fff;margin-bottom:.4rem;}
.modal-sub{font-size:.82rem;color:var(--muted2);line-height:1.6;margin-bottom:1.25rem;}
.modal-actions{display:flex;gap:.75rem;margin-top:1.25rem;}
.modal-actions .btn-ghost,.modal-actions .btn-primary{flex:1;padding:10px;}

/* ── TOAST ── */
.toast{position:fixed;bottom:1.75rem;right:1.75rem;z-index:500;background:var(--card2);border:1px solid var(--border2);border-radius:12px;padding:.85rem 1.4rem;font-size:.84rem;color:var(--text);box-shadow:0 20px 60px rgba(0,0,0,.4);transform:translateY(20px);opacity:0;transition:all .25s ease;pointer-events:none;max-width:340px;}
.toast.show{transform:translateY(0);opacity:1;}
.toast.success{border-color:rgba(0,196,122,.3);}
.toast.error{border-color:rgba(255,69,102,.3);}

/* ── SCROLL REVEAL ── */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .45s ease,transform .45s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ── RESPONSIVE ── */
@media(max-width:1100px){
  .products-grid{grid-template-columns:repeat(2,1fr);}
  .stack-grid{grid-template-columns:repeat(3,1fr);}
  .industries-grid{grid-template-columns:repeat(3,1fr);}
  .footer-inner{grid-template-columns:1fr 1fr;gap:2rem;}
}
@media(max-width:768px){
  .nav{padding:0 1.25rem;}
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .section{padding:3rem 1.5rem;}
  .products-grid,.why-grid{grid-template-columns:1fr;}
  .stack-grid,.industries-grid{grid-template-columns:repeat(2,1fr);}
  .contact-wrap{grid-template-columns:1fr;gap:2rem;}
  .form-row{grid-template-columns:1fr;}
  .footer-inner{grid-template-columns:1fr;gap:1.5rem;padding:2rem 1.5rem;}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:1rem 1.5rem;}
  .stats-bar{flex-wrap:wrap;}
  .stat{min-width:50%;border-bottom:1px solid var(--border);}
  .hero{padding:3rem 1.5rem 4rem;}
}