/*
Theme Name: NTech Solar
Theme URI: https://ntechsolar.com
Author: LR Dev Studio
Author URI: https://lrdevstudio.com
Description: A conversion-focused, engineering-grade WordPress theme for solar installation companies. Built for NTech Solar. Features a savings estimator, project & testimonial post types, net-metering / financing sections, and a quote form. Fully responsive, no page-builder required.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ntech-solar
*/

/* ============================================================
   NTech Solar — Design System
   Palette : deep navy (trust/engineering) + solar gold (energy)
   Type    : Space Grotesk (display) / Inter (body) / JetBrains Mono (data)
   Signature: instrument-style mono numbers + sun-path hero arc
   ============================================================ */

:root{
  /* color */
  --navy-900:#081627;
  --navy-800:#0C2138;
  --navy-700:#123150;
  --navy-600:#1B4470;
  --ink:#0F1620;
  --muted:#5B6878;
  --paper:#F6F8FB;
  --paper-2:#EAEFF5;
  --white:#FFFFFF;
  --solar:#FFB020;
  --solar-deep:#F58A07;
  --sky:#34A8DC;
  --green:#2FA56A;
  --line:rgba(15,22,32,.10);
  --line-dark:rgba(255,255,255,.12);

  /* type */
  --display:"Space Grotesk",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"SF Mono",Menlo,monospace;

  /* scale */
  --container:1180px;
  --gap:clamp(16px,3vw,28px);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(8,22,39,.06),0 12px 30px -12px rgba(8,22,39,.20);
  --shadow-lg:0 24px 60px -20px rgba(8,22,39,.35);
  --t:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--body);color:var(--ink);background:var(--paper);
  font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--display);font-weight:600;line-height:1.08;letter-spacing:-.02em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* ---------- layout helpers ---------- */
.wrap{width:min(100% - 40px,var(--container));margin-inline:auto}
.section{padding:clamp(56px,9vw,110px) 0}
.eyebrow{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--solar-deep);font-weight:600;display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--solar);display:inline-block;border-radius:2px}
.section-head{max-width:680px;margin-bottom:clamp(32px,5vw,56px)}
.section-head h2{font-size:clamp(28px,4.4vw,44px);margin:16px 0 14px}
.section-head p{color:var(--muted);font-size:18px}
.section--dark{background:var(--navy-900);color:#E9EEF5}
.section--dark .section-head p{color:#9FB0C4}
.section--dark .eyebrow{color:var(--solar)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--display);font-weight:600;
  font-size:15.5px;padding:14px 24px;border-radius:999px;border:1px solid transparent;
  transition:transform .25s var(--t),box-shadow .25s var(--t),background .2s,color .2s;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn--solar{background:var(--solar);color:var(--navy-900);box-shadow:0 10px 24px -10px rgba(245,138,7,.7)}
.btn--solar:hover{transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(245,138,7,.8)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn--wa{background:#1FA855;color:#fff;box-shadow:0 10px 24px -10px rgba(31,168,85,.6)}
.btn--wa:hover{transform:translateY(-2px)}
.btn--lg{padding:17px 30px;font-size:16.5px}
.section--dark .btn--ghost{border-color:var(--line-dark);color:#E9EEF5}
.section--dark .btn--ghost:hover{border-color:#fff}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;transition:background .3s,box-shadow .3s,border-color .3s;
  border-bottom:1px solid transparent;
}
.site-header.is-solid{background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(12px);border-color:var(--line);box-shadow:0 6px 24px -18px rgba(8,22,39,.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:20px;letter-spacing:-.02em;color:#fff;transition:color .3s}
.is-solid .brand{color:var(--ink)}
.brand .mark{width:34px;height:34px;flex:none}
.brand b{color:var(--solar-deep)}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-size:15px;font-weight:500;color:rgba(255,255,255,.85);transition:color .2s;position:relative}
.is-solid .nav a{color:var(--muted)}
.nav a:hover{color:var(--solar)}
.is-solid .nav a:hover{color:var(--ink)}
.header-cta{display:flex;align-items:center;gap:14px}
.header-phone{font-family:var(--mono);font-size:14px;font-weight:600;color:#fff;display:flex;align-items:center;gap:8px;transition:color .3s}
.is-solid .header-phone{color:var(--ink)}
.header-phone svg{width:16px;height:16px;color:var(--solar)}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;align-items:center;justify-content:center}
.nav-toggle span{width:22px;height:2px;background:#fff;position:relative;display:block;transition:.3s}
.is-solid .nav-toggle span{background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:22px;height:2px;background:inherit;transition:.3s}
.nav-toggle span::before{top:-7px}.nav-toggle span::after{top:7px}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:140px 0 90px;overflow:hidden;color:#fff;
  background:radial-gradient(120% 90% at 78% -10%,#1d5e8f 0%,var(--navy-800) 42%,var(--navy-900) 100%);
}
.hero-sun{position:absolute;top:-120px;right:-80px;width:560px;height:560px;pointer-events:none;opacity:.95}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(70% 60% at 30% 20%,#000,transparent)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,5vw,64px);align-items:center}
.hero-copy{max-width:600px}
.hero h1{font-size:clamp(34px,5.6vw,60px);line-height:1.02;margin:20px 0}
.hero h1 .hl{color:var(--solar);position:relative}
.hero-sub{font-size:clamp(17px,2.2vw,20px);color:#C6D4E5;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px 30px;margin-top:38px;padding-top:28px;border-top:1px solid var(--line-dark)}
.hero-stat .n{font-family:var(--mono);font-size:clamp(22px,3vw,30px);font-weight:700;color:#fff;letter-spacing:-.02em}
.hero-stat .n b{color:var(--solar);font-weight:700}
.hero-stat .l{font-size:13px;color:#8FA2B8;margin-top:2px;letter-spacing:.02em}

/* ---------- savings estimator (signature) ---------- */
.estimator{
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--radius);
  backdrop-filter:blur(8px);padding:26px;box-shadow:var(--shadow-lg);
}
.estimator-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.estimator-head .tag{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--solar)}
.estimator-head .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(47,165,106,.18)}
.estimator h3{font-size:21px;color:#fff;margin-bottom:18px}
.est-field{margin-bottom:18px}
.est-field label{display:flex;justify-content:space-between;font-size:13.5px;color:#B9C7DA;margin-bottom:9px}
.est-field label b{font-family:var(--mono);color:#fff;font-weight:600}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:5px;border-radius:5px;background:rgba(255,255,255,.16);outline:none}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--solar);cursor:pointer;border:3px solid var(--navy-900);box-shadow:0 2px 8px rgba(0,0,0,.4)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--solar);cursor:pointer;border:3px solid var(--navy-900)}
.est-readout{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.est-card{background:rgba(8,22,39,.55);border:1px solid var(--line-dark);border-radius:var(--radius-sm);padding:16px}
.est-card .k{font-size:12px;color:#8FA2B8;letter-spacing:.04em}
.est-card .v{font-family:var(--mono);font-size:clamp(20px,3vw,26px);font-weight:700;color:var(--solar);margin-top:6px;letter-spacing:-.02em}
.est-card.alt .v{color:#fff}
.est-note{font-size:12px;color:#7E91A8;margin-top:14px;text-align:center}

/* ---------- logos / trust bar ---------- */
.trustbar{background:var(--white);border-bottom:1px solid var(--line)}
.trustbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px;padding:22px 20px;flex-wrap:wrap}
.trustbar .lbl{font-family:var(--mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.brands{display:flex;align-items:center;gap:clamp(20px,4vw,46px);flex-wrap:wrap}
.brands span{font-family:var(--display);font-weight:700;font-size:18px;color:#9AA7B6;letter-spacing:-.02em;opacity:.85;transition:color .2s,opacity .2s}
.brands span:hover{color:var(--navy-700);opacity:1}

/* ---------- services ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;
  transition:transform .3s var(--t),box-shadow .3s var(--t),border-color .3s;position:relative;overflow:hidden;
}
.card::after{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--solar),var(--solar-deep));transform:scaleX(0);transform-origin:left;transition:transform .35s var(--t)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card:hover::after{transform:scaleX(1)}
.card .ico{width:50px;height:50px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(145deg,#FFF1D6,#FFE0A6);color:var(--solar-deep);margin-bottom:18px}
.card .ico svg{width:26px;height:26px}
.card h3{font-size:19px;margin-bottom:9px}
.card p{font-size:15px;color:var(--muted)}
.card .meta{font-family:var(--mono);font-size:12px;color:var(--solar-deep);margin-top:14px;letter-spacing:.03em}

/* ---------- why / features ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.feature{display:flex;gap:16px;padding:22px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--line-dark)}
.feature .fi{width:42px;height:42px;flex:none;border-radius:11px;display:grid;place-items:center;background:rgba(255,176,32,.14);color:var(--solar)}
.feature .fi svg{width:22px;height:22px}
.feature h4{font-size:17px;color:#fff;margin-bottom:6px}
.feature p{font-size:14.5px;color:#9FB0C4}

/* ---------- process ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:var(--gap);counter-reset:step}
.step{position:relative;padding-top:54px}
.step::before{counter-increment:step;content:"0" counter(step);position:absolute;top:0;left:0;font-family:var(--mono);font-size:34px;font-weight:700;color:var(--paper-2);line-height:1}
.step h4{font-size:17px;margin-bottom:7px}
.step p{font-size:14.5px;color:var(--muted)}
.step .bar{position:absolute;top:18px;left:54px;right:-14px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 7px,transparent 7px 14px)}
.step:last-child .bar{display:none}

/* ---------- projects ---------- */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.proj{border-radius:var(--radius);overflow:hidden;background:var(--white);border:1px solid var(--line);transition:transform .3s var(--t),box-shadow .3s var(--t)}
.proj:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.proj .ph{aspect-ratio:16/11;background:linear-gradient(135deg,var(--navy-700),var(--navy-900));position:relative;overflow:hidden}
.proj .ph img{width:100%;height:100%;object-fit:cover}
.proj .ph .badge{position:absolute;top:12px;left:12px;background:var(--solar);color:var(--navy-900);font-family:var(--mono);font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px}
.proj .body{padding:20px}
.proj .body .loc{font-size:13px;color:var(--solar-deep);font-weight:600;letter-spacing:.02em}
.proj .body h3{font-size:18px;margin:6px 0 8px}
.proj .body p{font-size:14.5px;color:var(--muted)}

/* ---------- testimonials ---------- */
.tcards{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.t{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.t .stars{color:var(--solar);letter-spacing:3px;font-size:15px;margin-bottom:12px}
.t blockquote{margin:0;font-size:15.5px;color:var(--ink);line-height:1.65}
.t .who{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.t .av{width:40px;height:40px;border-radius:50%;background:linear-gradient(145deg,var(--solar),var(--solar-deep));color:var(--navy-900);display:grid;place-items:center;font-family:var(--display);font-weight:700}
.t .who b{font-size:14.5px;display:block}
.t .who span{font-size:13px;color:var(--muted)}

/* ---------- faq ---------- */
.faq{max-width:820px;margin-inline:auto}
.qa{border-bottom:1px solid var(--line)}
.qa button{width:100%;background:none;border:0;text-align:left;padding:22px 0;display:flex;justify-content:space-between;gap:20px;align-items:center;font-family:var(--display);font-weight:600;font-size:18px;color:var(--ink)}
.qa .ans{max-height:0;overflow:hidden;transition:max-height .35s var(--t)}
.qa .ans p{padding:0 0 22px;color:var(--muted);font-size:15.5px;max-width:90%}
.qa .pm{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:transform .3s,background .3s,color .3s}
.qa.open .pm{background:var(--solar);border-color:var(--solar);color:var(--navy-900);transform:rotate(45deg)}

/* ---------- CTA band ---------- */
.ctaband{background:linear-gradient(120deg,var(--solar-deep),var(--solar));color:var(--navy-900);border-radius:clamp(18px,3vw,28px);padding:clamp(34px,5vw,56px);display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;position:relative;overflow:hidden}
.ctaband::before{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.18)}
.ctaband h2{font-size:clamp(26px,3.6vw,38px);max-width:620px;position:relative}
.ctaband p{margin-top:8px;font-size:17px;color:rgba(8,22,39,.78);position:relative}
.ctaband .btn--solar{background:var(--navy-900);color:#fff;position:relative}

/* ---------- contact / form ---------- */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(30px,5vw,60px);align-items:start}
.contact-info h2{font-size:clamp(26px,4vw,40px);margin-bottom:16px}
.contact-info p{color:var(--muted);margin-bottom:26px}
.cinfo{display:flex;gap:14px;align-items:flex-start;margin-bottom:20px}
.cinfo .ci{width:44px;height:44px;flex:none;border-radius:12px;background:#FFF1D6;color:var(--solar-deep);display:grid;place-items:center}
.cinfo .ci svg{width:21px;height:21px}
.cinfo b{display:block;font-family:var(--display);font-size:15px}
.cinfo span{font-size:15px;color:var(--muted)}
.cinfo a{color:var(--muted)}
.cinfo a:hover{color:var(--solar-deep)}
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(24px,4vw,36px);box-shadow:var(--shadow)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:15px;background:var(--paper);transition:border-color .2s,box-shadow .2s;color:var(--ink);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--solar);box-shadow:0 0 0 3px rgba(255,176,32,.18);background:#fff}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-alert{padding:14px 16px;border-radius:var(--radius-sm);font-size:14.5px;margin-bottom:18px}
.form-alert.ok{background:#E6F6EE;color:#1B6E45;border:1px solid #B8E6CC}
.form-alert.err{background:#FDECEC;color:#A12626;border:1px solid #F4C7C7}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#9FB0C4;padding:70px 0 0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px}
.foot-brand .brand{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:14.5px;max-width:300px}
.foot-soc{display:flex;gap:12px;margin-top:20px}
.foot-soc a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line-dark);display:grid;place-items:center;color:#9FB0C4;transition:.2s}
.foot-soc a:hover{background:var(--solar);color:var(--navy-900);border-color:var(--solar)}
.foot-soc svg{width:18px;height:18px}
.foot-col h5{color:#fff;font-family:var(--display);font-size:15px;margin-bottom:16px;letter-spacing:.01em}
.foot-col a{display:block;font-size:14.5px;padding:6px 0;color:#9FB0C4;transition:color .2s}
.foot-col a:hover{color:var(--solar)}
.foot-bottom{border-top:1px solid var(--line-dark);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px}
.foot-bottom a:hover{color:var(--solar)}

/* floating whatsapp */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:70;width:56px;height:56px;border-radius:50%;background:#1FA855;display:grid;place-items:center;box-shadow:0 12px 28px -8px rgba(31,168,85,.6);transition:transform .25s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px;color:#fff}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--t),transform .7s var(--t)}
.reveal.in{opacity:1;transform:none}

/* page hero (interior pages) */
.page-hero{background:var(--navy-900);color:#fff;padding:150px 0 70px;text-align:center}
.page-hero h1{font-size:clamp(30px,5vw,50px);margin-bottom:14px}
.page-hero p{color:#9FB0C4;max-width:600px;margin:0 auto;font-size:18px}
.entry{max-width:760px;margin:0 auto;padding:clamp(40px,6vw,72px) 0}
.entry h2{font-size:28px;margin:36px 0 14px}
.entry h3{font-size:21px;margin:28px 0 12px}
.entry p{margin-bottom:18px;color:#36424F}
.entry img{border-radius:var(--radius);margin:24px 0}
.entry ul{list-style:disc;padding-left:22px;margin-bottom:18px;color:#36424F}
.entry li{margin-bottom:8px}

/* ---------- responsive ---------- */
@media(max-width:1024px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step .bar{display:none}
  .proj-grid,.tcards{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav,.header-phone{display:none}
  .nav-toggle{display:flex}
  .nav.is-open{display:flex;position:absolute;top:76px;left:0;right:0;flex-direction:column;background:#fff;padding:18px 24px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav.is-open a{color:var(--ink);padding:10px 0;width:100%;border-bottom:1px solid var(--line)}
  .hero-inner{grid-template-columns:1fr}
  .estimator{max-width:520px}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  body{font-size:16px}
  .cards,.feature-grid,.steps,.proj-grid,.tcards{grid-template-columns:1fr}
  .frow{grid-template-columns:1fr}
  .est-readout{grid-template-columns:1fr 1fr}
  .ctaband{flex-direction:column;align-items:flex-start;text-align:left}
  .foot-grid{grid-template-columns:1fr}
  .hero-trust{gap:18px 24px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}
/* Offset fixed header under WP admin bar */
.admin-bar .site-header{top:32px}
@media(max-width:782px){.admin-bar .site-header{top:46px}}