/* ══════════════════════════════════════════════════════════
   style.css — BharathTesla Power Tech (BTPT)
   Bootstrap 4 version — custom overrides only
   ══════════════════════════════════════════════════════════ */

:root {
  --navy: #f9faff;
  --navy-mid: #ebeeff;
  --navy-dark: #143568;
  --navy-light: #EBF1FB;
  --gold: #E9941A;
  --gold2: #D4820E;
  --white: #FFFFFF;
  --bg-light: #F8FAFB;
  --bg-section: #F1F5FB;
  --light-gray: #C8D6E8;
  --muted: #7A90A8;
  --off-white: #EFF4FB;
  --border: #DDE5F0;
  --text-body: #374151;
  --text-dark: #1A2B42;
  --shadow-sm: 0 2px 8px rgba(20, 53, 104, .06);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', sans-serif;
  background: var(--bg-light);
  color: var(--text-body);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ── NAVBAR ─────────────────────────────────────────────── */

.btpt-navbar {
   height: 110px;
  background: var(--white);
  border-bottom: 2px solid var(--gold);
  box-shadow: var(--shadow-sm);
  padding: 0;
  position: fixed;
  top: 45px; /* height of .site-footer */
  left: 0;
  width: 100%;
  z-index: 1049;
  transition: top 0.4s ease;
}

.btpt-navbar.nav-top {
  top: 0;
}

.top-header{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1050;
  transition: transform 0.4s ease;
  background: var(--navy-mid);
    padding: 10px 36px;
    text-align: center;
}

.top-header .sf-line a{
 color: var(--navy-dark);
 margin-left: 5px;
}

.top-header .sf-line i{
 color: var(--navy-dark);
}

.top-header.hide-bar {
  transform: translateY(-100%);
}

.nb-logo img {
  width: 180px;
  height: auto;
}

.btpt-link {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-body) !important;
  transition: color .2s;
}

.btpt-link:hover {
  color: var(--gold) !important;
}

.nb-cta {
  background: var(--navy-dark);
  color: var(--white) !important;
  padding: 9px 22px !important;
  font-weight: 700;
  font-size: 11px;
  border-radius: 2px;
  letter-spacing: 1px;
  transition: background .2s;
}

.nb-cta:hover {
  background: var(--navy-dark);
}

/* Bootstrap toggler override */
.btpt-toggler {
  border: none;
  background: none;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.btpt-toggler span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: all .3s;
}

/* ── HERO ────────────────────────────────────────────────── */
      .hero {
        padding-top: 150px;
        background-color: var(--white);
      }

.hero-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.hero-left {
  position: relative;
  overflow: hidden;
  background: var(--navy-dark);
  min-height: 560px;
}

.hero-left img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* .hero-left-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 53, 104, .72) 40%, rgba(30, 76, 138, .48) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 40px;
} */

.hero-left-caption {
  position: relative;
  z-index: 1;
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  letter-spacing: 3px;
  color: rgba(255, 255, 255, .6);
  text-transform: uppercase;
}

.hero-right {
  background: var(--white);
  /* border-left: 1px solid var(--border); */
}

/* CONTRACTORS BAND */
.contractors-band {
  background: var(--navy);
  padding: 14px 24px;
  border: 1px solid var(--navy-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 15px;
  margin-bottom: 16px;
  animation: fadeIn .5s ease both;
  animation-delay: .25s;
}

.cb-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--navy-dark);
}

.cb-slash {
  width: 0;
  height: 0;
  border-top: 20px solid transparent;
  border-bottom: 20px solid transparent;
  border-left: 14px solid var(--gold);
  margin-left: 10px;
}

/* SERVICES */
.services-section {
  background: var(--white);
  padding: 16px 24px 24px;
  animation: fadeIn .5s ease both;
  animation-delay: .35s;
}

.srv-undertake {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: 4px;
}

.srv-main {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 16px;
  line-height: 1.1;
}

.srv-grid {
  display: flex;
  gap: 20px;
}

.srv-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.srv-col ul li {
  font-size: 13px;
  color: var(--text-body);
  display: flex;
  flex-direction: row;
  gap: 10px;
}

.srv-col ul li img {
  width: 20px;
  height: 20px;
}

.srv-col {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.srv-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.4;
}

.srv-bullet {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.srv-bullet svg {
  width: 20px;
  height: 20px;
}

/* FOOTER BAR inside hero */
.footer-bar {
  background: var(--navy);
}

.footer-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.footer-left {
  padding: 20px 24px;
  border-right: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.fl-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--navy-dark);
  margin-bottom: 4px;
}

.fl-line {
  font-size: 12px;
  color: var(--navy-dark);
  line-height: 1.6;
}

.footer-right {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.fr-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.fr-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold);
}

.fr-val {
  font-size: 12px;
  color: var(--light-gray);
}

.fr-val a {
  color: var(--navy-dark);
  text-decoration: none;
}
/* 
.fr-val a:hover {
  color: var(--gold);
} */

/* ── OVERVIEW ────────────────────────────────────────────── */
.ov-top {
  background: var(--white);
}

.ov-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;

}

.ov-top-left {
  padding: 44px 40px;
  background: var(--white);
  display: flex;
  flex-direction: column;
  gap: 20px;
  /* border-right: 1px solid var(--border); */
}

.ov-logo img {
  width: 210px;
  height: auto;
}

.ov-body-text {
  font-size: 13.5px;
  color: var(--text-body);
  line-height: 1.9;
  text-align: justify;
}

.ov-top-right {
  position: relative;
  overflow: hidden;
  min-height: 320px;
}

.ov-top-right img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.88) saturate(1.05);
}

.ov-mission-block {
  background: var(--navy);
}

.mission-flex {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.ov-cctv {
  padding: 36px 44px;
  border-right: 1px solid rgba(255, 255, 255, .12);
}

.ov-cctv-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 19px;
  font-weight: 700;
  color: var(--gold);
  margin-bottom: 0;
  font-style: italic;
}

.ov-cctv-txt {
  font-size: 13px;
  color: var(--navy-dark);
  line-height: 1.85;
}

.servicelist ol {
  padding-left: 20px;
  color: var(--navy-dark);
}

.ov-mission-city {
  position: relative;
  overflow: hidden;
  min-height: 200px;
}

.ov-mission-city img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.65) saturate(1.1);
}

/* ── PRODUCTS & SERVICES ─────────────────────────────────── */
.products-page {
  background: var(--navy);
  color: var(--navy);
  /* border-top: 1px solid var(--border); */

}

.ps-topbar {
  background: var(--navy);
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  align-items: center;
  border-top: 3px solid var(--gold);
}

.ps-hcell {
  padding: 16px 24px;
  text-align: center;
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  /* border-right: 1px solid rgba(255,255,255,.15); */
}

.ps-quality {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold);
  padding: 16px 24px;
  font-weight: 700;
  font-family: 'Rajdhani', sans-serif;
  text-transform: uppercase;
}

.ps-service {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gold);
  padding: 16px 24px;
  font-weight: 700;
  font-family: 'Rajdhani', sans-serif;
  text-transform: uppercase;
  text-align: right;
}



.ps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.ps-col {
  background-color: var(--navy-mid);
  padding: 36px 32px;
  border-left: 3px solid transparent;
    transition: border-color 0.3s, background 0.3s, transform 0.25s;
}

.ps-col:hover {
    border-color: var(--gold);
    background: var(--white);
    transform: translateY(-3px);
}

.ps-col:last-child {
  border-right: none;
}

.ps-product.mb-0 {
  margin-bottom: 0;
}

.ps-prod-header {
  display: flex;
  align-items: center;
  gap: 18px;
  /* margin-bottom: 12px; */
}

.ps-prod-img {
  width: 90px;
  height: 72px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--navy);
  flex-shrink: 0;
}

.ps-prod-img.circle-big {
  width: 160px;
  height: 160px;
}

.ps-prod-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 8px;
}

.ps-prod-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12.5px;

  color: var(--navy-dark);

}

.ps-prod-list li {
  font-size: 12.5px;
  color: var(--navy-dark);
  line-height: 1.55;
}

/* ── PAGE SECTIONS ───────────────────────────────────────── */
.page-section {
  padding: 80px 0;
}

.ps-navy {
  background: var(--navy-mid);
}

.ps-mid {
  background: var(--navy);
}

.sec-eyebrow {
  font-size: 11px;
  letter-spacing: 4px;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.sec-eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--gold);
  display: block;
}

.sec-heading {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(30px, 3.5vw, 48px);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1;
  margin-bottom: 14px;
  color: var(--navy-dark);
  text-align: center;
}

.sec-heading .gold {
  color: var(--gold);
}

.sec-desc {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--navy-dark);
  margin-bottom: 40px;
  text-align: center;
}

/* ── SERVICES CARDS ─────────────────────────────────────── */
.svc-grid {
  margin: 0 -3px;
}

.svc-card {
  background: var(--navy);
  padding: 26px 22px;
  border-left: 3px solid transparent;
  transition: border-color .3s, background .3s, transform .25s;
}

.svc-card:hover {
  border-color: var(--gold);
  background: rgba(255, 255, 255, .05);
  transform: translateY(-3px);
}

.svc-icon {
  font-size: 24px;
  margin-bottom: 10px;
}

.svc-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 6px;
    color: var(--navy-dark);

}

.svc-txt {
  font-size: 12.5px;
    color: var(--navy-dark);

  line-height: 1.65;
}

/* ── PANELS ──────────────────────────────────────────────── */
.pan-card {
  background: var(--navy);
  padding: 26px 20px;
  border: 1px solid rgba(233, 148, 26, .14);
  position: relative;
  overflow: hidden;
  transition: border-color .3s, transform .25s;
}

.pan-card:hover {
  border-color: var(--gold);
  transform: translateY(-4px);
}

.pan-num {
  position: absolute;
  top: 8px;
  right: 14px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 56px;
  font-weight: 700;
  color: rgba(233, 148, 26, .7);
  line-height: 1;
}

.pan-name {
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
  line-height: 1.2;
   color: var(--navy-dark);

}

.pan-name .gold {
  color: var(--gold);
}

.pan-desc {
  font-size: 12.5px;
  color: var(--navy-dark);

  line-height: 1.7;
}

/* ── PORTFOLIO ───────────────────────────────────────────── */
.portfolio {
  text-align: center;
  background-color: var(--navy-mid);
}

.portfolio-item {
  width: 100%;
  height: 280px;
  overflow: hidden;
  border-radius: 4px;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease, filter .45s ease;
  filter: brightness(.9);
}

.portfolio-item:hover img {
  transform: scale(1.08);
  filter: brightness(1.05);
}

/* ── MISSION ─────────────────────────────────────────────── */
.mission {
  background: var(--navy);
}

.mission-grid {
  margin-top: 3rem;
}

.mission-statement {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--navy-dark);
  margin-bottom: 2rem;
}

.mission-statement span {
  color: var(--gold);
}

.mission-bullets {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.mission-item {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.mission-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.mission-dot svg {
  width: 10px;
  height: 10px;
  stroke: var(--navy);
  fill: none;
  stroke-width: 2.5;
}

.mission-item p {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--navy-dark)
}

.rocket-card {
  background: var(--gold);
  border-radius: 12px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  min-height: 260px;
}

.rocket-icon {
  font-size: 48px;
  margin-bottom: 1.25rem;
}

.rocket-card h3 {
  font-family: 'Rajdhani', sans-serif;
  font-size: clamp(28px, 3vw, 44px);
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.rocket-card p {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--white);
  font-weight: 500;
}

/* ── CONTACT ─────────────────────────────────────────────── */
.contact-grid {
  margin-top: 1rem;
}

.cinfo {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding-top: 1rem;
}

.ci-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.ci-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  background: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.ci-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
  margin-bottom: 4px;
}

.ci-val {
  font-size: 13px;
  color: var(--navy-dark);
  line-height: 1.75;
}

.ci-val a {
  color: var(--navy-dark);
  text-decoration: none;
}

.ci-val a:hover {
  color: var(--gold);
}

/* ── CONTACT FORM ────────────────────────────────────────── */
.cform {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cf-row {
  margin-bottom: 0;
}

.cf-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 0;
}

.cf-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold);
  font-weight: 700;
}

.cf-group input,
.cf-group select,
.cf-group textarea {
  background: var(--navy-mid);
  border: 1px solid rgba(233, 148, 26, .22);
  color: var(--navy-dark);
  padding: 11px 14px;
  font-family: 'Open Sans', sans-serif;
  font-size: 13px;
  outline: none;
  transition: border-color .2s, background .2s;
  border-radius: 2px;
  width: 100%;
}

.cf-group input::placeholder,
.cf-group textarea::placeholder {
  color: rgba(255, 255, 255, .38);
}

.cf-group input:focus,
.cf-group select:focus,
.cf-group textarea:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, .10);
}

.cf-group textarea {
  resize: vertical;
  min-height: 90px;
}

.cf-group select option {
  background: var(--navy-mid);
}

.cf-btn {
  background: var(--gold);
  color: var(--navy-dark);
  border: none;
  padding: 13px 36px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .2s, transform .15s;
  border-radius: 2px;
}

.cf-btn:hover {
  background: var(--gold2);
  transform: translateY(-2px);
}

.cf-btn:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

.cf-msg {
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 2px;
  display: none;
}

.cf-msg.success {
  background: rgba(34, 197, 94, .12);
  border: 1px solid rgba(34, 197, 94, .3);
  color: #4ade80;
  display: block;
}

.cf-msg.error {
  background: rgba(239, 68, 68, .12);
  border: 1px solid rgba(239, 68, 68, .3);
  color: #f87171;
  display: block;
}

/* ── FOOTER ──────────────────────────────────────────────── */
footer {
  background: var(--navy-light);
  border-top: 1px solid rgba(233, 148, 26, .18);
}

.footer-main {
  padding: 56px 0 36px;
}

.nav-logo img {
  width: 200px;
  height: auto;
}

.footer-brand p {
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dark);
  margin: 1.2rem 0;
  max-width: 280px;
}

.footer-tagline {
  display: inline-block;
  background: rgba(233, 148, 26, .1);
  border: 1px solid rgba(233, 148, 26, .25);
  color: var(--gold);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 5px 14px;
  border-radius: 100px;
  text-transform: uppercase;
}



.footer-col h4 {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--gold);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
}

.footer-col a {
  display: block;
  font-size: 13px;
  color: var(--text-dark);
  text-decoration: none;
  margin-bottom: 0.6rem;
  transition: color .2s;
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-col p {
  font-size: 13px;
  color: var(--text-dark);
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.social-links {
  display: flex;
  gap: 0.65rem;
  margin-top: 1rem;
}

.social-link {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 1px solid rgba(30, 76, 138, .25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-dark);
  text-decoration: none;
  font-size: 13px;
  transition: all .2s;
}

.social-link:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.site-footer {
  background: var(--navy-mid);
  padding: 14px 36px;
  text-align: center;
  border-top: 1px solid rgba(233, 148, 26, .2);
}

.sf-line {
  font-size: 12px;
  color: var(--navy-dark);
  font-weight: 500;
  line-height: 1.7;
}

/* ── ANIMATIONS ──────────────────────────────────────────── */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-left {
  animation: fadeIn .55s ease both .05s;
}

.hero-right {
  animation: fadeIn .55s ease both .15s;
}