/* ===========================================================
   DAERO Drone Services — shared stylesheet (multi-page B2B site)
   =========================================================== */
:root{
  --ink:#0f1d19; --teal:#0d3b34; --teal2:#11514a; --teal3:#0a2c27;
  --green:#2e9e4f; --green-d:#1f7a3d; --gold:#f5b40a; --gold-d:#dd9f06;
  --steel:#15201d; --cream:#f4f7f4; --paper:#fff; --muted:#5c6b66;
  --line:#e2e8e3; --shadow:0 16px 44px rgba(13,59,52,.12); --shadow-sm:0 8px 22px rgba(13,59,52,.08);
  --radius:16px; --maxw:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Noto Sans Tamil',system-ui,-apple-system,sans-serif;color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:'Poppins','Noto Sans Tamil',sans-serif;line-height:1.18;font-weight:700;color:var(--teal)}
.ta{font-family:'Noto Sans Tamil','Poppins',sans-serif}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{padding:78px 0}
.bg-cream{background:var(--cream)}
.bg-teal{background:var(--teal);color:#fff}
.bg-steel{background:var(--steel);color:#fff}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;padding:13px 24px;border-radius:50px;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-gold{background:var(--gold);color:var(--teal3);border-color:var(--gold)}
.btn-gold:hover{background:var(--gold-d);border-color:var(--gold-d);transform:translateY(-2px)}
.btn-green{background:var(--green);color:#fff}.btn-green:hover{background:var(--green-d);transform:translateY(-2px)}
.btn-teal{background:var(--teal);color:#fff}.btn-teal:hover{background:var(--teal2);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{background:#fff;color:var(--teal);border-color:var(--line)}.btn-outline:hover{border-color:var(--green);color:var(--green-d)}
.btn-lg{padding:16px 30px;font-size:16px}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:200;background:rgba(255,255,255,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:11px}
.brand .mark{width:44px;height:44px;background:var(--teal);border-radius:11px;display:grid;place-items:center;flex:0 0 auto}
.brand .mark svg{width:31px;height:31px}
.brand .name{font-family:'Poppins',sans-serif;font-weight:800;font-size:23px;letter-spacing:1.5px;color:var(--teal)}
.brand .name b{color:var(--gold);font-weight:800}
.brand small{display:block;font-size:9.5px;letter-spacing:2.7px;color:var(--muted);font-weight:600;margin-top:-3px}
.mainmenu{display:flex;align-items:center;gap:26px}
.navlink{font-weight:500;font-size:15px;color:var(--ink);background:none;border:none;cursor:pointer;font-family:inherit;transition:.2s;display:inline-flex;align-items:center;gap:5px}
.navlink:hover{color:var(--green-d)}
.navlink.active{color:var(--teal);font-weight:700;border-bottom:2px solid var(--gold);padding-bottom:2px}
.navitem{position:relative}
.dd-menu{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:8px;min-width:230px;opacity:0;visibility:hidden;transition:.2s;z-index:50}
.navitem:hover .dd-menu,.navitem:focus-within .dd-menu,.navitem.open .dd-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dd-menu a{display:block;padding:11px 14px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink)}
.dd-menu a:hover{background:var(--cream);color:var(--green-d)}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:26px;height:3px;background:var(--teal);border-radius:3px;margin:5px 0;transition:.3s}

/* ---------- generic hero (home) ---------- */
.hero{position:relative;min-height:86vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.03)}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,40,36,.95) 0%,rgba(13,59,52,.88) 44%,rgba(13,59,52,.5) 100%)}
.hero-inner{position:relative;z-index:2;max-width:720px;padding:64px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(245,180,10,.16);border:1px solid rgba(245,180,10,.5);color:var(--gold);font-weight:600;font-size:13px;letter-spacing:.4px;padding:7px 15px;border-radius:50px;margin-bottom:22px}
.hero h1{font-size:clamp(33px,5.2vw,57px);font-weight:800;letter-spacing:-.5px;color:#fff}
.hero h1 .hl{color:var(--gold)}
.hero .sub{font-size:18px;color:#e7f1ea;margin-top:20px;max-width:600px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:24px;border-top:1px solid rgba(255,255,255,.18)}
.hero-trust div{font-size:14px;color:#eaf3ec}.hero-trust b{display:block;color:var(--gold);font-size:23px;font-weight:800;font-family:'Poppins',sans-serif}

/* ---------- page hero (sub-pages) ---------- */
.page-hero{position:relative;color:#fff;overflow:hidden;padding:0}
.page-hero .ph-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.page-hero .ph-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(8,40,36,.94),rgba(13,59,52,.72))}
.page-hero .inner{position:relative;z-index:2;padding:74px 0 64px;max-width:760px}
.breadcrumb{font-size:13.5px;color:#bcd6cd;margin-bottom:14px}
.breadcrumb a:hover{color:var(--gold)}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,46px)}
.page-hero p{color:#e0eee6;font-size:17px;margin-top:14px}
.page-hero .ta{color:var(--gold);font-weight:600;margin-top:8px}

/* ---------- section heading ---------- */
.head{max-width:760px;margin:0 auto 52px;text-align:center}
.head.left{margin-left:0;text-align:left}
.kicker{color:var(--green-d);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:13px}
.bg-teal .kicker,.bg-steel .kicker{color:var(--gold)}
.head h2{font-size:clamp(27px,3.6vw,40px);margin-top:10px}
.bg-teal .head h2,.bg-steel .head h2{color:#fff}
.head p{color:var(--muted);margin-top:14px;font-size:16px}
.bg-teal .head p,.bg-steel .head p{color:#c8ddd5}
.bar{width:64px;height:4px;background:var(--gold);border-radius:4px;margin:16px auto 0}
.head.left .bar{margin-left:0}

/* ---------- trust strip ---------- */
.trust{background:var(--teal);color:#fff;padding:30px 0}
.trust .row{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:14px 30px}
.trust .lead{font-weight:600;color:#cfe2da;font-size:14px;margin-right:6px}
.badge{display:inline-flex;align-items:center;gap:9px;border:1px dashed rgba(245,180,10,.6);color:#fff;border-radius:12px;padding:11px 16px;font-size:13.5px;font-weight:600;background:rgba(255,255,255,.05)}
.badge svg{width:20px;height:20px;color:var(--gold)}
.badge .tagph{color:var(--gold);font-weight:700}

/* ---------- audience paths ---------- */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.path{position:relative;border-radius:var(--radius);overflow:hidden;min-height:300px;display:flex;align-items:flex-end;color:#fff;box-shadow:var(--shadow-sm)}
.path .pbg{position:absolute;inset:0;background-size:cover;background-position:center;transition:.5s}
.path:hover .pbg{transform:scale(1.07)}
.path .pov{position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,40,36,.94) 8%,rgba(13,59,52,.35) 75%)}
.path .pc{position:relative;z-index:2;padding:30px}
.path .pc h3{color:#fff;font-size:24px}
.path .pc p{color:#dceae3;font-size:15px;margin:8px 0 16px;max-width:430px}
.path .pc .go{color:var(--gold);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:7px}
.path:hover .pc .go{gap:11px}

/* ---------- service pillar cards ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.cards.c2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card .ph{height:170px;position:relative;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover;transform:scale(1.07);transition:.5s}
.card:hover .ph img{transform:scale(1.15)}
.card .ic-top{position:absolute;top:12px;left:12px;width:40px;height:40px;border-radius:10px;background:var(--gold);color:var(--teal3);display:grid;place-items:center}
.card .ic-top svg{width:22px;height:22px}
.card .bd{padding:22px;flex:1;display:flex;flex-direction:column}
.card .bd h3{font-size:19px}
.card .bd .ta{color:var(--green-d);font-weight:600;font-size:14px;margin:3px 0 9px}
.card .bd p{color:var(--muted);font-size:14.5px;flex:1}
.card .bd .more{margin-top:14px;color:var(--green-d);font-weight:700;font-size:14px;display:inline-flex;gap:7px;align-items:center}
.card:hover .bd .more{gap:11px}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.wide-r{grid-template-columns:1fr 1.1fr}
.split .pic{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative;min-height:330px}
.split .pic img{width:100%;height:100%;object-fit:cover;min-height:330px}
.split .pic .tag{position:absolute;left:18px;bottom:18px;background:rgba(13,59,52,.92);color:#fff;padding:11px 17px;border-radius:12px;font-size:14px}
.split .pic .tag b{color:var(--gold)}
.split h2{font-size:clamp(25px,3.3vw,37px)}
.split .ta-sub{color:var(--green-d);font-weight:600;margin:6px 0 16px;font-size:17px}
.split p{color:var(--muted)}

/* ---------- capability list (service pages) ---------- */
.caps{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.cap{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;box-shadow:var(--shadow-sm);transition:.2s}
.cap:hover{border-color:var(--green);transform:translateY(-3px)}
.cap .ic{flex:0 0 auto;width:50px;height:50px;border-radius:12px;background:#e8f5ec;color:var(--green-d);display:grid;place-items:center}
.cap .ic svg{width:26px;height:26px}
.cap h4{font-size:17.5px;color:var(--teal)}
.cap p{color:var(--muted);font-size:14.5px;margin-top:3px}

/* ---------- benefit list ---------- */
.benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:18px 30px}
.benefit{display:flex;gap:13px}
.benefit .tick{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;margin-top:2px}
.benefit .tick svg{width:15px;height:15px}
.benefit b{color:var(--ink)}
.benefit span{color:var(--muted);font-size:14.5px;display:block}

/* ---------- stats ---------- */
.stats .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:30px 18px;text-align:center;border-right:1px solid rgba(255,255,255,.13)}
.stat:last-child{border-right:none}
.stat .num{font-family:'Poppins',sans-serif;font-size:34px;font-weight:800;color:var(--gold)}
.stat .lbl{font-size:14px;font-weight:600;color:#fff;margin-top:2px}
.stat .lbl .ta{display:block;font-size:12.5px;color:#bcd6cd;font-weight:500}

/* ---------- chips / applications ---------- */
.chips{display:flex;flex-wrap:wrap;gap:12px}
.chips.center{justify-content:center}
.chip{background:#fff;border:1px solid var(--line);border-radius:50px;padding:11px 20px;font-weight:600;color:var(--teal);box-shadow:var(--shadow-sm);display:inline-flex;align-items:center;gap:9px;font-size:14.5px}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--gold)}
.chip .ta{color:var(--green-d);font-weight:500;font-size:13px}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{text-align:center}
.step .n{width:62px;height:62px;border-radius:50%;background:var(--teal);color:var(--gold);font-family:'Poppins',sans-serif;font-weight:800;font-size:24px;display:grid;place-items:center;margin:0 auto 16px}
.step h4{color:var(--teal);font-size:17px}
.step p{color:var(--muted);font-size:14px;margin-top:5px}

/* ---------- placeholder blocks (for client to fill) ---------- */
.ph-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ph-card{border:2px dashed #c7d3cc;border-radius:var(--radius);padding:26px;background:repeating-linear-gradient(45deg,#fbfdfb,#fbfdfb 12px,#f3f7f4 12px,#f3f7f4 24px)}
.ph-card .lab{display:inline-block;background:var(--gold);color:var(--teal3);font-size:11px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;padding:3px 9px;border-radius:5px;margin-bottom:12px}
.ph-card h4{color:var(--teal);font-size:18px}
.ph-card .meta{color:var(--muted);font-size:13.5px;margin-top:6px}
.ph-card .stat-row{display:flex;gap:18px;margin-top:14px}
.ph-card .stat-row div{font-size:13px;color:var(--muted)}
.ph-card .stat-row b{display:block;font-family:'Poppins',sans-serif;font-size:22px;color:var(--green-d)}
.note-ph{font-size:12.5px;color:#94a39c;font-style:italic;margin-top:8px}
.logos-ph{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}
.logo-ph{width:150px;height:64px;border:2px dashed #c7d3cc;border-radius:10px;display:grid;place-items:center;color:#9aa9a2;font-size:12.5px;background:#fbfdfb}

/* ---------- CTA band ---------- */
.cta{background:linear-gradient(100deg,var(--teal3),var(--teal2));color:#fff;border-radius:22px;padding:46px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px}
.cta h2{color:#fff;font-size:clamp(23px,3vw,32px)}
.cta p{color:#cfe2da;margin-top:8px}
.cta .acts{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- contact ---------- */
.csplit{display:grid;grid-template-columns:1fr 1.05fr;gap:46px;align-items:start}
.crow{display:flex;gap:15px;margin-bottom:18px;align-items:flex-start}
.crow .ic{flex:0 0 auto;width:48px;height:48px;border-radius:12px;background:var(--cream);color:var(--green-d);display:grid;place-items:center}
.crow .ic svg{width:23px;height:23px}
.crow small{color:var(--muted);font-size:13px;display:block}
.crow a,.crow span.v{font-weight:600;color:var(--ink);font-size:16px}
.crow a:hover{color:var(--green-d)}
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.form h3{font-size:22px}
.form .note{color:var(--muted);font-size:13.5px;margin:5px 0 18px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;font-family:inherit;font-size:15px;background:#fff;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.form .btn-green{width:100%;justify-content:center;margin-top:6px;font-size:16px;padding:15px}
.form .alt{text-align:center;font-size:13px;color:var(--muted);margin-top:12px}
.form .alt a{color:var(--green-d);font-weight:600}

/* ---------- footer ---------- */
footer{background:var(--teal3);color:#cfe2da;padding:56px 0 26px}
.fgrid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:36px}
.fbrand .brand .name{color:#fff}
.fbrand p{font-size:14px;margin-top:14px;max-width:300px;color:#a9c4ba}
footer h4{color:#fff;font-size:15px;margin-bottom:15px}
footer ul{list-style:none}
footer ul li{margin-bottom:9px;font-size:14.5px}
footer ul li a:hover{color:var(--gold)}
.fcontact div{display:flex;gap:10px;margin-bottom:12px;font-size:14px;align-items:flex-start}
.fcontact svg{width:17px;height:17px;color:var(--gold);flex:0 0 auto;margin-top:3px}
.fbar{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8fb0a6}

/* ---------- floating whatsapp ---------- */
.fab{position:fixed;right:20px;bottom:20px;z-index:300;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 8px 24px rgba(37,211,102,.45);transition:.2s}
.fab:hover{transform:scale(1.08)}.fab svg{width:32px;height:32px;fill:#fff}

/* ---------- form: honeypot + button row + success ---------- */
.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}
.btnrow{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.btnrow .btn{flex:1;justify-content:center;min-width:150px}
.alert-ok{background:#e8f5ec;border:1px solid #b8e0c4;color:#1f7a3d;padding:14px 16px;border-radius:12px;font-weight:600;margin-bottom:16px}

/* ---------- FAQ ---------- */
.faq{max-width:840px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:12px;box-shadow:var(--shadow-sm);overflow:hidden}
.faq summary{cursor:pointer;padding:18px 20px;font-weight:600;color:var(--teal);font-family:'Poppins',sans-serif;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;line-height:1;color:var(--green-d);transition:.2s;flex:0 0 auto}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .ans{padding:15px 20px;color:var(--muted);font-size:15px}

/* ---------- helpers ---------- */
.mt0{margin-top:0}.center{text-align:center}.lead-p{font-size:17px;color:var(--muted);max-width:760px}
.rule{height:1px;background:var(--line);border:none;margin:0}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .caps,.benefits,.paths{grid-template-columns:1fr}
  .split,.csplit{grid-template-columns:1fr;gap:34px}
  .stats .grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .ph-grid{grid-template-columns:1fr 1fr}
  .fgrid{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  .hamburger{display:block}
  .mainmenu{position:fixed;inset:76px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:10px 22px 24px;border-bottom:1px solid var(--line);box-shadow:var(--shadow);transform:translateY(-130%);transition:.35s;max-height:calc(100vh - 76px);overflow:auto}
  .mainmenu.open{transform:translateY(0)}
  .mainmenu>.navlink,.navitem>.dd-toggle{width:100%;text-align:left;padding:15px 0;border-bottom:1px solid var(--line);font-size:16px}
  .dd-menu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;display:none;padding:0 0 8px 12px;min-width:0}
  .navitem.open .dd-menu{display:block}
  .dd-menu a{padding:11px 6px}
  .nav-quote{margin-top:14px;text-align:center;justify-content:center}
  section{padding:56px 0}
  .hero{min-height:auto;padding:26px 0}
  .cards,.ph-grid,.steps{grid-template-columns:1fr}
  .stats .grid{grid-template-columns:1fr}
  .stat{border-right:none}
  .cta{padding:32px}
  .fgrid{grid-template-columns:1fr}
  .f2{grid-template-columns:1fr}
}

/* ---------- mobile hardening ---------- */
html{overflow-x:hidden}
body{overflow-x:hidden;overflow-x:clip}
img,svg,iframe,video{max-width:100%}
.crow a,.crow span.v,.fcontact span{overflow-wrap:anywhere}
.hero h1,.page-hero h1,.head h2{overflow-wrap:anywhere}

@media(max-width:480px){
  .wrap{padding:0 16px}
  section{padding:46px 0}
  .hero-inner{padding:28px 0}
  .hero h1{font-size:29px}
  .hero .sub{font-size:16px}
  .hero-trust{gap:14px 22px}
  .hero-trust b{font-size:20px}
  .page-hero .inner{padding:50px 0 42px}
  .page-hero h1{font-size:26px}
  .head{margin-bottom:34px}
  .head h2,.split h2{font-size:24px}
  .path{min-height:230px}
  .path .pc{padding:20px}
  .path .pc h3{font-size:21px}
  .split .pic,.split .pic img{min-height:220px}
  .cards .ph{height:200px}
  .cta{padding:24px;border-radius:16px}
  .cta h2{font-size:21px}
  .cta .acts{width:100%}
  .cta .acts .btn{flex:1;justify-content:center}
  .btnrow{flex-direction:column}
  .btnrow .btn{width:100%}
  .form{padding:22px}
  .trust .lead{width:100%;text-align:center;margin:0 0 6px}
}