/* ===== Energy Auditor India — Soham Technologies · website ===== */
@import url('https://fonts.googleapis.com/css2?family=Spectral:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Archivo:wght@400;500;600;700;800;900&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  --indigo:#3434a8; --indigo-d:#272779; --indigo-dd:#191953;
  --indigo-tint:#eef0fb; --indigo-tint2:#e2e6f8;
  --lime:#d7dd44; --lime-d:#9ea31d;
  --ink:#16162c; --muted:#5d5f74; --muted-2:#86889b;
  --line:#e6e6ee; --paper:#ffffff; --paper2:#f6f6f1;
  --serif:'Spectral', Georgia, serif;
  --sans:'Archivo', system-ui, -apple-system, sans-serif;
  --mono:'IBM Plex Mono', ui-monospace, monospace;
  --wrap:1200px; --head-h:68px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{ margin:0; font-family:var(--sans); color:var(--ink); background:var(--paper); line-height:1.6; -webkit-font-smoothing:antialiased; }
img{ max-width:100%; display:block; }
h1,h2,h3,h4{ margin:0; font-weight:inherit; }
p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
a{ color:var(--indigo); text-decoration:none; transition:color .15s; }
a:hover{ color:var(--indigo-d); }
section[id]{ scroll-margin-top:calc(var(--head-h) + 30px); }

.wrap{ width:100%; max-width:var(--wrap); margin:0 auto; padding:0 40px; }
.section{ padding:92px 0; }
.section--tint{ background:var(--paper2); }
.section--indigo{ background:var(--indigo); color:#fff; }

.eyebrow{ font-family:var(--mono); font-size:11px; letter-spacing:.22em; text-transform:uppercase; color:var(--indigo); display:inline-block; }
.section--indigo .eyebrow{ color:var(--lime); }
.sec-head{ max-width:760px; margin-bottom:52px; }
.sec-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.sec-head h2{ font-family:var(--serif); font-weight:600; font-size:clamp(28px,3.6vw,42px); line-height:1.1; letter-spacing:-.01em; margin-top:16px; text-wrap:pretty; }
.sec-head h2 b{ color:var(--indigo); font-weight:700; }
.section--indigo .sec-head h2 b{ color:var(--lime); }
.sec-head .intro{ font-size:16px; color:var(--muted); margin-top:18px; max-width:640px; }
.sec-head.center .intro{ margin-left:auto; margin-right:auto; }
.section--indigo .sec-head .intro{ color:#c9cbf0; }

/* buttons */
.btn{ display:inline-flex; align-items:center; gap:9px; font-family:var(--sans); font-weight:700; font-size:14px; letter-spacing:.01em; padding:14px 24px; border-radius:6px; border:1.5px solid transparent; cursor:pointer; transition:transform .15s, background .15s, color .15s, border-color .15s; white-space:nowrap; }
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--indigo); color:#fff; }
.btn-primary:hover{ background:var(--indigo-d); color:#fff; }
.btn-lime{ background:var(--lime); color:var(--indigo-dd); }
.btn-lime:hover{ background:#e4ea55; color:var(--indigo-dd); }
.btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.4); }
.btn-ghost:hover{ background:rgba(255,255,255,.1); color:#fff; border-color:#fff; }
.btn-outline{ background:transparent; color:var(--indigo); border-color:var(--indigo); }
.btn-outline:hover{ background:var(--indigo); color:#fff; }

/* ===== top bar ===== */
.topbar{ background:var(--indigo-dd); color:#c9cbf0; font-size:12px; }
.topbar .wrap{ display:flex; align-items:center; justify-content:space-between; min-height:36px; padding-top:6px; padding-bottom:6px; gap:16px; }
.topbar .tb-l{ font-family:var(--mono); letter-spacing:.06em; text-transform:uppercase; font-size:10.5px; display:flex; align-items:center; gap:9px; flex-wrap:wrap; }
.topbar .tb-l .dot{ color:var(--lime); }
.topbar .tb-r a{ color:#fff; font-weight:600; }
.topbar .tb-r a:hover{ color:var(--lime); }

/* ===== header / nav ===== */
.header{ position:sticky; top:0; z-index:50; background:rgba(255,255,255,.92); backdrop-filter:blur(10px); border-bottom:1px solid var(--line); }
.header .wrap{ display:flex; align-items:center; justify-content:space-between; height:var(--head-h); gap:20px; }
.brand{ display:flex; align-items:center; gap:11px; }
.brand img{ height:38px; width:auto; }
.brand .bw .b1{ font-family:var(--sans); font-weight:800; font-size:16px; letter-spacing:.01em; line-height:1; color:var(--ink); white-space:nowrap; }
.brand .bw .b1 em{ font-style:normal; color:var(--indigo); }
.brand .bw .b2{ font-family:var(--mono); font-size:8px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted-2); margin-top:5px; white-space:nowrap; }
.nav{ display:flex; align-items:center; gap:26px; }
.nav a{ font-size:14px; font-weight:500; color:var(--ink); white-space:nowrap; }
.nav > .btn{ display:none; }
.nav a:hover{ color:var(--indigo); }
.header .btn{ padding:11px 20px; }
.nav-toggle{ display:none; width:42px; height:42px; border:1px solid var(--line); border-radius:6px; background:#fff; cursor:pointer; align-items:center; justify-content:center; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{ content:''; display:block; width:18px; height:2px; background:var(--ink); position:relative; transition:.2s; }
.nav-toggle span::before{ position:absolute; top:-6px; } .nav-toggle span::after{ position:absolute; top:6px; }

/* ===== hero ===== */
.hero{ background:var(--indigo); color:#fff; position:relative; overflow:hidden; }
.hero::after{ content:''; position:absolute; right:-160px; top:-140px; width:520px; height:520px; border-radius:50%; border:60px solid rgba(255,255,255,.05); }
.hero .wrap{ position:relative; z-index:2; padding-top:76px; padding-bottom:0; }
.hero-grid{ display:grid; grid-template-columns:1.35fr 1fr; gap:56px; align-items:center; padding-bottom:64px; }
.hero h1{ font-family:var(--serif); font-weight:600; font-size:clamp(34px,4.4vw,54px); line-height:1.04; letter-spacing:-.015em; margin-top:20px; text-wrap:balance; }
.hero h1 .hl{ color:var(--lime); }
.hero .lede{ font-size:17px; line-height:1.65; color:#d2d4f2; margin-top:22px; max-width:92%; }
.hero .lede b{ color:#fff; font-weight:600; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
.hero-chips{ display:flex; flex-wrap:wrap; gap:8px 10px; margin-top:28px; }
.hero-chips span{ font-family:var(--mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:#cfd1f2; border:1px solid rgba(255,255,255,.25); border-radius:999px; padding:6px 13px; }

/* hero trust card */
.trust{ background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.16); border-radius:14px; padding:26px; backdrop-filter:blur(4px); }
.trust .badge{ display:flex; align-items:center; gap:15px; padding-bottom:20px; border-bottom:1px solid rgba(255,255,255,.16); }
.trust .seal{ width:74px; height:74px; border-radius:50%; border:2px solid var(--lime); display:flex; flex-direction:column; align-items:center; justify-content:center; flex-shrink:0; }
.trust .seal .s1{ font-family:var(--mono); font-size:7.5px; letter-spacing:.14em; color:var(--lime); }
.trust .seal .s2{ font-family:var(--serif); font-weight:700; font-size:22px; line-height:1; color:#fff; }
.trust .seal .s3{ font-family:var(--mono); font-size:6.5px; letter-spacing:.1em; color:#bfc1ec; margin-top:2px; }
.trust .badge .bt .k{ font-family:var(--mono); font-size:9px; letter-spacing:.14em; text-transform:uppercase; color:var(--lime); }
.trust .badge .bt .v{ font-family:var(--serif); font-weight:600; font-size:16px; margin-top:5px; line-height:1.2; }
.trust ul{ margin-top:18px; display:flex; flex-direction:column; gap:12px; }
.trust li{ font-size:13.5px; color:#e4e5f7; padding-left:26px; position:relative; }
.trust li::before{ content:'✓'; position:absolute; left:0; top:0; color:var(--lime); font-weight:700; }

/* hero stats strip */
.hero-stats{ display:grid; grid-template-columns:repeat(4,1fr); border-top:1px solid rgba(255,255,255,.2); }
.hero-stats .st{ padding:26px 20px 30px; border-right:1px solid rgba(255,255,255,.14); text-align:center; }
.hero-stats .st:last-child{ border-right:0; }
.hero-stats .st .n{ font-family:var(--serif); font-weight:700; font-size:clamp(28px,3.4vw,40px); line-height:1; }
.hero-stats .st .l{ font-size:12px; color:#bfc1ec; margin-top:10px; line-height:1.4; }
.hero-stats .st.feat{ background:linear-gradient(180deg, rgba(215,221,68,.18), rgba(215,221,68,0)); position:relative; }
.hero-stats .st.feat::before{ content:''; position:absolute; left:0; right:0; top:-1px; height:3px; background:var(--lime); }
.hero-stats .st.feat .n{ color:var(--lime); }
.hero-stats .st.feat .l{ color:#eef0d0; font-weight:600; }

/* ===== recognition band ===== */
.recog{ display:grid; grid-template-columns:auto 1fr; gap:40px; align-items:center; }
.recog .seal-lg{ width:150px; height:150px; border-radius:50%; border:3px solid var(--indigo); display:flex; flex-direction:column; align-items:center; justify-content:center; flex-shrink:0; background:var(--indigo-tint); }
.recog .seal-lg .r1{ font-family:var(--mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--indigo); }
.recog .seal-lg .r2{ font-family:var(--serif); font-weight:700; font-size:52px; line-height:.9; color:var(--indigo); }
.recog .seal-lg .r3{ font-family:var(--mono); font-size:9px; letter-spacing:.12em; color:var(--muted); margin-top:4px; }
.recog h2{ font-family:var(--serif); font-weight:600; font-size:clamp(24px,3vw,34px); line-height:1.14; letter-spacing:-.01em; }
.recog h2 b{ color:var(--indigo); font-weight:700; }
.recog p{ font-size:15px; color:var(--muted); margin-top:14px; max-width:640px; }
.certs{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; margin-top:56px; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.certs .c{ border-right:1px solid var(--line); border-bottom:1px solid var(--line); padding:24px 26px; }
.certs .c .ck{ font-family:var(--serif); font-weight:700; font-size:19px; color:var(--indigo); }
.certs .c .cv{ font-size:13px; color:var(--muted); margin-top:6px; }

/* ===== clients ===== */
.client-grid{ display:grid; grid-template-columns:repeat(5,1fr); border-top:1px solid var(--line); border-left:1px solid var(--line); }
.client-grid .cl{ border-right:1px solid var(--line); border-bottom:1px solid var(--line); min-height:96px; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:12px; transition:background .15s; }
.client-grid .cl:hover{ background:var(--indigo-tint); }
.client-grid .cl .n1{ font-family:var(--serif); font-weight:600; font-size:18px; color:var(--indigo); line-height:1.05; }
.client-grid .cl .n2{ font-family:var(--sans); font-weight:600; font-size:9.5px; letter-spacing:.05em; text-transform:uppercase; color:var(--muted-2); margin-top:5px; }
.client-grid .cl.more{ background:var(--indigo); }
.client-grid .cl.more:hover{ background:var(--indigo-d); }
.client-grid .cl.more .n1{ color:var(--lime); }
.client-grid .cl.more .n2{ color:#c4c6ee; }
.client-note{ font-size:15px; color:var(--muted); margin-top:26px; text-align:center; }
.client-note b{ color:var(--ink); font-weight:700; }

/* ===== about + leadership ===== */
.about-grid{ display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:start; }
.about-copy .eyebrow{ margin-bottom:16px; }
.about-copy h2{ font-family:var(--serif); font-weight:600; font-size:clamp(26px,3.2vw,38px); line-height:1.12; letter-spacing:-.01em; text-wrap:pretty; }
.about-copy h2 b{ color:var(--indigo); font-weight:700; }
.about-copy p{ font-size:15.5px; color:var(--muted); margin-top:20px; }
.about-copy p b{ color:var(--ink); font-weight:600; }
.about-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
.leaders{ display:flex; flex-direction:column; gap:22px; }
.leader{ border:1px solid var(--line); border-top:3px solid var(--indigo); border-radius:10px; padding:24px 26px; background:#fff; }
.leader .lh{ display:flex; align-items:center; gap:16px; padding-bottom:18px; border-bottom:1px solid var(--line); }
.leader .av{ width:58px; height:58px; border-radius:50%; background:var(--indigo); color:var(--lime); font-family:var(--serif); font-weight:700; font-size:18px; display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.leader .role{ font-family:var(--mono); font-size:9px; letter-spacing:.18em; text-transform:uppercase; color:var(--indigo); }
.leader .nm{ font-family:var(--serif); font-weight:700; font-size:22px; line-height:1.05; margin-top:4px; }
.leader .ti{ font-size:12px; color:var(--muted); margin-top:5px; }
.leader ul{ margin-top:16px; display:flex; flex-direction:column; gap:10px; }
.leader li{ font-size:13.5px; line-height:1.45; color:var(--ink); padding-left:18px; position:relative; }
.leader li::before{ content:''; position:absolute; left:0; top:7px; width:6px; height:6px; background:var(--lime); }
.leader li b{ font-weight:700; }

/* ===== services ===== */
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:26px; }
.svc{ border:1px solid var(--line); border-radius:12px; padding:30px 28px; background:#fff; display:flex; flex-direction:column; transition:transform .15s, box-shadow .15s, border-color .15s; }
.svc:hover{ transform:translateY(-4px); box-shadow:0 18px 40px rgba(25,25,83,.1); border-color:var(--indigo-tint2); }
.svc .num{ font-family:var(--mono); font-size:11px; font-weight:600; color:var(--lime-d); }
.svc .bar{ height:4px; width:34px; background:var(--lime); margin:10px 0 16px; border-radius:2px; }
.svc h3{ font-family:var(--serif); font-weight:600; font-size:21px; line-height:1.12; }
.svc .sd{ font-size:14px; color:var(--muted); margin-top:12px; }
.svc ul{ margin-top:18px; display:flex; flex-direction:column; gap:11px; }
.svc li{ font-size:13.5px; line-height:1.4; color:var(--ink); padding-left:24px; position:relative; }
.svc li::before{ content:'→'; position:absolute; left:0; top:0; color:var(--indigo); font-weight:700; }

/* ===== why us ===== */
.why-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:1px solid var(--line); border-left:1px solid var(--line); }
.why{ border-right:1px solid var(--line); border-bottom:1px solid var(--line); padding:34px 30px; }
.why .wi{ width:40px; height:40px; border-radius:8px; background:var(--indigo-tint); color:var(--indigo); display:flex; align-items:center; justify-content:center; font-family:var(--serif); font-weight:700; font-size:18px; }
.why h3{ font-family:var(--serif); font-weight:600; font-size:18px; margin-top:18px; }
.why p{ font-size:13.5px; color:var(--muted); margin-top:10px; }

/* ===== process ===== */
.proc-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:26px; counter-reset:step; }
.proc{ position:relative; padding-top:26px; }
.proc::before{ counter-increment:step; content:counter(step,decimal-leading-zero); font-family:var(--serif); font-weight:700; font-size:44px; color:var(--indigo-tint2); position:absolute; top:-14px; left:0; }
.proc .pbar{ height:3px; background:var(--lime); width:40px; margin:0 0 16px; border-radius:2px; position:relative; z-index:2; }
.proc h3{ font-family:var(--serif); font-weight:600; font-size:19px; position:relative; z-index:2; }
.proc p{ font-size:13.5px; color:var(--muted); margin-top:12px; }
.section--indigo .proc::before{ color:rgba(255,255,255,.14); }
.section--indigo .proc p{ color:#c9cbf0; }

/* ===== industries ===== */
.ind-grid{ display:flex; flex-wrap:wrap; gap:12px; }
.ind{ font-family:var(--sans); font-weight:600; font-size:15px; color:var(--ink); background:#fff; border:1px solid var(--line); border-radius:999px; padding:13px 24px; transition:.15s; }
.ind:hover{ border-color:var(--indigo); color:var(--indigo); transform:translateY(-2px); }

/* ===== faq ===== */
.faq-list{ max-width:860px; margin:0 auto; border-top:1px solid var(--line); }
.faq{ border-bottom:1px solid var(--line); }
.faq summary{ list-style:none; cursor:pointer; padding:24px 44px 24px 0; font-family:var(--serif); font-weight:600; font-size:19px; position:relative; color:var(--ink); }
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{ content:'+'; position:absolute; right:6px; top:50%; transform:translateY(-50%); font-family:var(--sans); font-weight:400; font-size:26px; color:var(--indigo); transition:transform .2s; }
.faq[open] summary::after{ content:'−'; }
.faq .fa{ font-size:15px; color:var(--muted); padding:0 44px 26px 0; line-height:1.7; }
.faq .fa b{ color:var(--ink); font-weight:600; }

/* ===== contact ===== */
.contact-grid{ display:grid; grid-template-columns:1fr 1.1fr; gap:56px; align-items:start; }
.contact-methods{ display:flex; flex-direction:column; gap:14px; margin-top:8px; }
.cm{ display:flex; align-items:center; gap:16px; border:1px solid var(--line); border-radius:10px; padding:18px 20px; background:#fff; transition:.15s; }
.cm:hover{ border-color:var(--indigo); transform:translateX(3px); }
.cm .ci{ width:44px; height:44px; border-radius:8px; background:var(--indigo-tint); color:var(--indigo); display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:11px; font-weight:600; flex-shrink:0; }
.cm .ck{ font-family:var(--mono); font-size:9px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted-2); }
.cm .cv{ font-size:16px; font-weight:700; color:var(--ink); margin-top:3px; }
.contact-loc{ margin-top:22px; padding:18px 20px; background:var(--indigo-tint); border-radius:10px; }
.contact-loc .k{ font-family:var(--mono); font-size:9px; letter-spacing:.16em; text-transform:uppercase; color:var(--indigo); }
.contact-loc .v{ font-family:var(--serif); font-weight:600; font-size:18px; margin-top:5px; }

.form-card{ background:#fff; border:1px solid var(--line); border-radius:14px; padding:34px; box-shadow:0 20px 50px rgba(25,25,83,.07); }
.form-card h3{ font-family:var(--serif); font-weight:700; font-size:24px; }
.form-card .fnote{ font-size:13px; color:var(--muted); margin-top:8px; }
.form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:24px; }
.field{ display:flex; flex-direction:column; gap:7px; }
.field.full{ grid-column:1 / -1; }
.field label{ font-family:var(--mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase; color:var(--muted); }
.field input, .field select, .field textarea{ font-family:var(--sans); font-size:14px; color:var(--ink); border:1px solid var(--line); border-radius:7px; padding:12px 14px; background:#fff; transition:border-color .15s, box-shadow .15s; }
.field input:focus, .field select:focus, .field textarea:focus{ outline:none; border-color:var(--indigo); box-shadow:0 0 0 3px rgba(52,52,168,.12); }
.field textarea{ resize:vertical; min-height:96px; }
.form-card .btn{ width:100%; justify-content:center; margin-top:22px; font-size:15px; padding:16px; }
.form-card .agree{ font-size:11.5px; color:var(--muted-2); margin-top:14px; text-align:center; }

/* ===== footer ===== */
.footer{ background:var(--indigo-dd); color:#c9cbf0; padding:64px 0 26px; }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; }
.footer .fbrand{ display:flex; align-items:center; gap:11px; margin-bottom:18px; }
.footer .fbrand img{ height:36px; }
.footer .fbrand .b1{ font-family:var(--sans); font-weight:800; font-size:16px; color:#fff; line-height:1; }
.footer .fbrand .b1 em{ font-style:normal; color:var(--lime); }
.footer .fabout{ font-size:13.5px; line-height:1.65; max-width:340px; }
.footer h4{ font-family:var(--mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--lime); margin-bottom:16px; }
.footer .fcol ul{ display:flex; flex-direction:column; gap:10px; }
.footer .fcol a, .footer .fcol li{ color:#c9cbf0; font-size:13.5px; }
.footer .fcol a:hover{ color:#fff; }
.footer-bottom{ border-top:1px solid rgba(255,255,255,.12); margin-top:48px; padding-top:22px; display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.footer-bottom .cp{ font-size:12px; }
.footer-bottom .tag{ font-family:var(--mono); font-size:10px; letter-spacing:.08em; text-transform:uppercase; color:var(--muted-2); }

/* whatsapp float */
.wa-float{ position:fixed; right:22px; bottom:22px; z-index:60; width:56px; height:56px; border-radius:50%; background:#25d366; color:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 8px 24px rgba(0,0,0,.25); transition:transform .15s; }
.wa-float:hover{ transform:scale(1.08); color:#fff; }
.wa-float svg{ width:30px; height:30px; }

/* ===== responsive ===== */
@media (max-width:980px){
  .hero-grid{ grid-template-columns:1fr; gap:40px; }
  .about-grid, .contact-grid{ grid-template-columns:1fr; gap:40px; }
  .svc-grid, .why-grid, .proc-grid{ grid-template-columns:repeat(2,1fr); }
  .certs{ grid-template-columns:repeat(2,1fr); }
  .recog{ grid-template-columns:1fr; text-align:left; }
}
@media (max-width:950px){
  .nav-toggle{ display:flex; }
  .nav{ position:absolute; top:calc(var(--head-h) + 1px); left:0; right:0; background:#fff; border-bottom:1px solid var(--line); flex-direction:column; align-items:stretch; gap:0; padding:8px 0; box-shadow:0 20px 40px rgba(0,0,0,.08); display:none; }
  .nav.open{ display:flex; }
  .nav a{ padding:14px 40px; border-bottom:1px solid var(--line); }
  .nav > .btn{ display:inline-flex; margin:12px 40px; }
  .header .btn.head-cta{ display:none; }
}
@media (max-width:640px){
  .wrap{ padding:0 22px; }
  .section{ padding:64px 0; }
  .hero-stats{ grid-template-columns:repeat(2,1fr); }
  .hero-stats .st:nth-child(2n){ border-right:0; }
  .svc-grid, .why-grid, .proc-grid, .client-grid, .footer-grid, .form-grid{ grid-template-columns:1fr; }
  .client-grid{ grid-template-columns:repeat(2,1fr); }
  .certs{ grid-template-columns:1fr; }
  .topbar .tb-l{ display:none; }
  .topbar .wrap{ justify-content:center; }
}