/* ===================================================
   SARTHAK SOLAR ENTERPRISE - Main Stylesheet
   Modern Solar Energy Company Website
=================================================== */

/* === Google Fonts — Devanagari for Hindi === */
@import url('css2');

/* Hindi / Devanagari font override */
.lang-hi, .lang-hi * {
  font-family: 'Noto Sans Devanagari', sans-serif !important;
}

/* === CSS Variables === */
:root {
  --primary: #FF8C00;
  --primary-dark: #e07000;
  --primary-light: #FFB347;
  --secondary: #0a2e5c;
  --secondary-light: #1a4a8a;
  --accent: #FFD700;
  --green: #27ae60;
  --green-light: #2ecc71;
  --white: #ffffff;
  --light: #f4f6f9;
  --light2: #eaf0fb;
  --dark: #1a1a2e;
  --gray: #6c757d;
  --gray-light: #dee2e6;
  --text: #2d3748;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
  --gradient-primary: linear-gradient(135deg, #FF8C00 0%, #FFD700 100%);
  --gradient-secondary: linear-gradient(135deg, #0a2e5c 0%, #1a4a8a 100%);
  --gradient-hero: linear-gradient(135deg, rgba(10,46,92,0.92) 0%, rgba(26,74,138,0.82) 100%);
  --gradient-card: linear-gradient(135deg, #fff 0%, #f0f4ff 100%);
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', 'Inter', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* === Typography === */
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.25; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { color: var(--gray); line-height: 1.8; }

/* === Layout === */
.container { width: 92%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.section { padding: 90px 0; }
.section-sm { padding: 60px 0; }

/* === Section Title === */
.section-title { text-align: center; margin-bottom: 55px; }
.section-title .label {
  display: inline-block;
  background: var(--gradient-primary);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.section-title h2 { color: var(--secondary); margin-bottom: 14px; }
.section-title h2 span { color: var(--primary); }
.section-title p { max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
.divider { width: 60px; height: 4px; background: var(--gradient-primary); border-radius: 4px; margin: 14px auto 20px; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.3px;
  text-decoration: none;
}
.btn-primary { background: var(--gradient-primary); color: var(--white); box-shadow: 0 6px 20px rgba(255,140,0,0.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px rgba(255,140,0,0.5); color: var(--white); }
.btn-secondary { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.7); }
.btn-secondary:hover { background: var(--white); color: var(--secondary); border-color: var(--white); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.btn-dark { background: var(--secondary); color: var(--white); box-shadow: 0 6px 20px rgba(10,46,92,0.3); }
.btn-dark:hover { background: var(--secondary-light); transform: translateY(-2px); color: var(--white); }
.btn-sm { padding: 9px 22px; font-size: 0.85rem; }
.btn-lg { padding: 16px 38px; font-size: 1.05rem; }

/* === Navigation === */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%;
  z-index: 1000; transition: var(--transition);
  background: transparent; padding: 8px 0;
}
.navbar.scrolled {
  background: rgba(10,46,92,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.2);
  padding: 4px 0;
}
.navbar.solid { background: var(--secondary); box-shadow: 0 4px 20px rgba(0,0,0,0.15); padding: 4px 0; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.45rem; font-weight: 800; color: var(--white); text-decoration: none; }
.logo img { height: 44px; width: 44px; object-fit: cover; border-radius: 50%; border: 2px solid var(--primary); }
.logo span { color: var(--primary); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { color: rgba(255,255,255,0.88); font-weight: 500; font-size: 0.92rem; padding: 8px 14px; border-radius: 8px; transition: var(--transition); }
.nav-links a:hover, .nav-links a.active { color: var(--primary); background: rgba(255,255,255,0.08); }
.nav-links .btn-nav { background: var(--gradient-primary); color: var(--white) !important; padding: 9px 20px; border-radius: 50px; margin-left: 8px; }
.nav-links .btn-nav:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,140,0,0.4); background: var(--gradient-primary); }
/* Language toggle button */
.lang-toggle {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.45);
  color: var(--white);
  border-radius: 8px;
  padding: 5px 11px;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.5px;
  transition: var(--transition);
  flex-shrink: 0;
  margin-left: 6px;
  line-height: 1.6;
}
.lang-toggle:hover { background: rgba(255,140,0,0.15); border-color: var(--primary); color: var(--primary); }
.navbar.scrolled .lang-toggle,
.navbar.solid .lang-toggle { border-color: rgba(255,255,255,0.4); color: rgba(255,255,255,0.9); }
.navbar.scrolled .lang-toggle:hover,
.navbar.solid .lang-toggle:hover { border-color: var(--primary); color: var(--primary); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 6px; }
.hamburger span { display: block; width: 26px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === Hero Section === */
.hero {
  min-height: 100vh;
  background: var(--gradient-hero), url('https://images.unsplash.com/photo-1509391366360-2e959784a276?w=1600&q=80') center/cover no-repeat;
  display: flex; align-items: center; position: relative; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 80px; background: linear-gradient(to top, var(--white), transparent); pointer-events: none;
}
.hero-content { color: var(--white); max-width: 680px; padding: 120px 0 80px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,140,0,0.2); border: 1px solid rgba(255,140,0,0.4);
  color: var(--primary-light); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 1.5px; text-transform: uppercase; padding: 7px 18px;
  border-radius: 50px; margin-bottom: 22px; backdrop-filter: blur(6px);
}
.hero h1 { color: var(--white); margin-bottom: 20px; line-height: 1.15; }
.hero h1 span { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: rgba(255,255,255,0.82); font-size: 1.15rem; margin-bottom: 34px; max-width: 540px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 50px; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--primary); display: block; line-height: 1; }
.hero-stat .lbl { font-size: 0.78rem; color: rgba(255,255,255,0.7); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }
.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.6); font-size: 1.4rem; animation: bounce 2s infinite;
  z-index: 10; cursor: pointer;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* === Services === */
.services { background: var(--light); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 24px; }
.service-card {
  background: var(--white); border-radius: var(--radius-lg); padding: 0;
  text-align: center; box-shadow: var(--shadow); transition: var(--transition);
  border: 1px solid transparent; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.service-card-img { height: 180px; overflow: hidden; border-radius: var(--radius-lg) var(--radius-lg) 0 0; flex-shrink: 0; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.service-card:hover .service-card-img img { transform: scale(1.06); }
.service-card .service-icon { margin: -30px auto 14px; position: relative; z-index: 2; box-shadow: 0 4px 18px rgba(255,140,0,0.22); }
.service-card h3 { padding: 0 22px; }
.service-card p { padding: 0 22px 10px; }
.service-card .link { padding: 0 22px 22px; }
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary); opacity: 0; transition: var(--transition);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(255,140,0,0.15); }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 68px; height: 68px;
  background: linear-gradient(135deg, rgba(255,140,0,0.12) 0%, rgba(255,215,0,0.1) 100%);
  border-radius: 18px; display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.6rem; color: var(--primary); transition: var(--transition);
}
.service-card:hover .service-icon { background: var(--gradient-primary); color: var(--white); transform: scale(1.1); }
.service-card h3 { color: var(--secondary); margin-bottom: 10px; font-size: 1.08rem; }
.service-card p { font-size: 0.9rem; margin-bottom: 18px; line-height: 1.65; }
.service-card .link { color: var(--primary); font-weight: 600; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 5px; transition: var(--transition); }
.service-card .link:hover { gap: 10px; }

/* === About === */
.about { background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image-wrap { position: relative; }
.about-image-wrap img { border-radius: var(--radius-lg); object-fit: cover; width: 100%; height: 460px; box-shadow: var(--shadow-lg); }
.about-badge {
  position: absolute; bottom: 24px; right: -20px;
  background: var(--white); border-radius: var(--radius); padding: 16px 22px;
  box-shadow: var(--shadow-lg); text-align: center; min-width: 130px;
}
.about-badge .num { font-size: 2.2rem; font-weight: 800; color: var(--primary); line-height: 1; }
.about-badge .lbl { font-size: 0.75rem; color: var(--gray); font-weight: 500; }
.about-content .label {
  display: inline-block; background: rgba(255,140,0,0.1); color: var(--primary);
  font-size: 0.78rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase;
  padding: 6px 18px; border-radius: 50px; margin-bottom: 14px;
}
.about-content h2 { color: var(--secondary); margin-bottom: 18px; }
.about-content h2 span { color: var(--primary); }
.about-content > p { margin-bottom: 26px; line-height: 1.85; }
.about-features { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 30px; }
.about-feature { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; font-weight: 500; color: var(--text); }
.about-feature i { color: var(--green); font-size: 1rem; flex-shrink: 0; }

/* === Why Choose Us === */
.why-us { background: var(--secondary); }
.why-us .section-title h2 { color: var(--white); }
.why-us .section-title p { color: rgba(255,255,255,0.7); }
.why-us .divider { background: var(--gradient-primary); }
.why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.why-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 30px 24px; text-align: center;
  transition: var(--transition); backdrop-filter: blur(8px);
}
.why-card:hover { background: rgba(255,140,0,0.15); border-color: rgba(255,140,0,0.4); transform: translateY(-6px); }
.why-icon {
  width: 62px; height: 62px; background: var(--gradient-primary); border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; font-size: 1.5rem; color: var(--white);
}
.why-card h3 { color: var(--white); font-size: 1.02rem; margin-bottom: 8px; }
.why-card p { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.7; }

/* === Certification / Approvals Strip === */
.cert-strip {
  background: linear-gradient(135deg, #fffbf3 0%, #fff6e6 100%);
  border-top: 3px solid var(--primary);
  border-bottom: 1px solid rgba(255,140,0,0.18);
  padding: 26px 0;
}
.cert-strip-inner {
  display: flex; align-items: center; gap: 24px;
  flex-wrap: wrap; justify-content: center;
}
.cert-badge-card {
  display: flex; align-items: center; gap: 14px;
  background: var(--white); border-radius: 12px; padding: 14px 22px;
  box-shadow: 0 2px 14px rgba(0,0,0,0.08);
  border: 1.5px solid rgba(255,140,0,0.18);
  flex-shrink: 0;
}
.cert-badge-icon {
  width: 46px; height: 46px; background: var(--gradient-primary);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1.15rem; flex-shrink: 0;
}
.cert-badge-text strong { display: block; font-size: 0.9rem; font-weight: 800; color: var(--primary); letter-spacing: 0.2px; }
.cert-badge-text span { display: block; font-size: 0.74rem; color: var(--gray); margin-top: 2px; font-weight: 500; }
.cert-vdivider { width: 1px; height: 54px; background: rgba(255,140,0,0.22); flex-shrink: 0; }
.cert-desc { max-width: 400px; font-size: 0.83rem; color: var(--text-light); line-height: 1.72; }
.cert-desc strong { color: var(--secondary); font-weight: 700; }
@media (max-width: 900px) { .cert-vdivider { display: none; } .cert-desc { text-align: center; max-width: 100%; } }
@media (max-width: 640px) { .cert-badge-card { width: 100%; justify-content: center; } }

/* === Stats === */
.stats-section { background: var(--gradient-primary); padding: 60px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat-item { padding: 10px; }
.stat-num { font-size: 3rem; font-weight: 800; color: var(--white); display: block; line-height: 1; }
.stat-lbl { font-size: 0.88rem; color: rgba(255,255,255,0.82); text-transform: uppercase; letter-spacing: 1px; margin-top: 6px; display: block; }

/* === Gallery === */
.gallery-section { background: var(--light); }
.gallery-filter { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 36px; }
.filter-btn {
  padding: 9px 22px; border-radius: 50px; border: 2px solid var(--gray-light);
  background: var(--white); color: var(--gray); font-size: 0.88rem;
  font-weight: 600; cursor: pointer; transition: var(--transition);
}
.filter-btn.active, .filter-btn:hover { border-color: var(--primary); background: var(--primary); color: var(--white); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.gallery-item { border-radius: var(--radius); overflow: hidden; position: relative; aspect-ratio: 4/3; box-shadow: var(--shadow); }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,46,92,0.85) 0%, transparent 60%);
  opacity: 0; transition: var(--transition); display: flex; align-items: flex-end; padding: 20px;
}
.gallery-item:hover img { transform: scale(1.06); }
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-info h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 4px; }
.gallery-info p { color: var(--primary-light); font-size: 0.78rem; margin: 0; }

/* === Testimonials === */
.testimonials { background: var(--white); }
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card {
  background: var(--gradient-card); border-radius: var(--radius-lg); padding: 30px 26px;
  box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.04); transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.stars { color: var(--accent); font-size: 0.9rem; margin-bottom: 14px; }
.testimonial-card blockquote { color: var(--text); font-size: 0.93rem; line-height: 1.8; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--gradient-primary); display: flex; align-items: center;
  justify-content: center; color: var(--white); font-weight: 700; font-size: 1.1rem; flex-shrink: 0;
}
.author-info h5 { color: var(--secondary); font-size: 0.92rem; margin-bottom: 2px; }
.author-info span { color: var(--gray); font-size: 0.78rem; }

/* === CTA === */
.cta-section {
  background: var(--gradient-hero), url('photo-1497440001374-f26997328c1b') center/cover no-repeat;
  padding: 90px 0; text-align: center;
}
.cta-section h2 { color: var(--white); font-size: clamp(1.8rem, 3.5vw, 2.8rem); margin-bottom: 16px; }
.cta-section h2 span { color: var(--primary); }
.cta-section p { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 34px; }
.cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* === Contact === */
.contact-section { background: var(--light); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; align-items: start; }
.contact-info-card { background: var(--secondary); border-radius: var(--radius-lg); padding: 40px 32px; color: var(--white); }
.contact-info-card h3 { color: var(--white); font-size: 1.5rem; margin-bottom: 10px; }
.contact-info-card > p { color: rgba(255,255,255,0.7); font-size: 0.92rem; margin-bottom: 32px; line-height: 1.7; }
.contact-item { display: flex; gap: 14px; margin-bottom: 24px; align-items: flex-start; }
.contact-icon {
  width: 44px; height: 44px; background: var(--gradient-primary);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-size: 1rem; flex-shrink: 0;
}
.contact-item-text h5 { color: var(--white); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.contact-item-text p { color: rgba(255,255,255,0.75); font-size: 0.9rem; line-height: 1.6; margin: 0; }
.social-links { display: flex; gap: 10px; margin-top: 28px; }
.social-links a {
  width: 40px; height: 40px; background: rgba(255,255,255,0.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center; color: var(--white);
  font-size: 0.9rem; transition: var(--transition); border: 1px solid rgba(255,255,255,0.12);
}
.social-links a:hover { background: var(--gradient-primary); border-color: transparent; transform: translateY(-3px); }

/* === Form === */
.form-card { background: var(--white); border-radius: var(--radius-lg); padding: 40px 36px; box-shadow: var(--shadow-lg); }
.form-card h3 { color: var(--secondary); font-size: 1.5rem; margin-bottom: 6px; }
.form-card > p { color: var(--gray); font-size: 0.9rem; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; color: var(--secondary); font-size: 0.85rem; font-weight: 600; margin-bottom: 7px; letter-spacing: 0.3px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--gray-light);
  border-radius: var(--radius); font-size: 0.92rem; color: var(--text);
  background: var(--white); transition: var(--transition); font-family: inherit; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,140,0,0.12); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group input.error, .form-group textarea.error { border-color: #e53e3e; }
.form-error { color: #e53e3e; font-size: 0.78rem; margin-top: 4px; display: none; }
.form-success {
  background: #f0fff4; border: 1px solid #68d391; border-radius: var(--radius);
  padding: 16px 20px; color: #276749; font-size: 0.92rem;
  display: none; margin-bottom: 18px; align-items: center; gap: 10px;
}

/* === FAQ === */
.faq-section { background: var(--light); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: var(--white); border-radius: var(--radius);
  margin-bottom: 14px; border: 1px solid var(--gray-light);
  overflow: hidden; transition: var(--transition);
}
.faq-item.open { border-color: var(--primary); }
.faq-question { padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; user-select: none; }
.faq-question h4 { color: var(--secondary); font-size: 1rem; font-weight: 600; flex: 1; margin-right: 14px; }
.faq-item.open .faq-question h4 { color: var(--primary); }
.faq-toggle {
  width: 30px; height: 30px; background: var(--light); border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gray); font-size: 0.85rem; transition: var(--transition); flex-shrink: 0;
}
.faq-item.open .faq-toggle { background: var(--primary); color: var(--white); transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 24px; }
.faq-item.open .faq-answer { max-height: 400px; padding: 0 24px 20px; }
.faq-answer p { font-size: 0.93rem; line-height: 1.8; color: var(--gray); }

/* === Process === */
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; position: relative; }
.process-grid::before {
  content: ''; position: absolute; top: 36px;
  left: calc(16.67% + 18px); right: calc(16.67% + 18px);
  height: 2px; background: linear-gradient(to right, var(--primary), var(--secondary)); opacity: 0.3;
}
.process-step { text-align: center; padding: 28px 20px; }
.step-num {
  width: 72px; height: 72px; background: var(--gradient-primary); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; font-size: 1.5rem; font-weight: 800; color: var(--white);
  position: relative; z-index: 1; box-shadow: 0 6px 20px rgba(255,140,0,0.35);
}
.process-step h4 { color: var(--secondary); font-size: 1rem; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; line-height: 1.7; }

/* === Solar Solutions === */
.solution-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); border: 1px solid transparent; }
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(255,140,0,0.2); }
.solution-img { height: 200px; overflow: hidden; }
.solution-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.solution-card:hover .solution-img img { transform: scale(1.05); }
.solution-body { padding: 24px; }
.solution-body h3 { color: var(--secondary); margin-bottom: 10px; font-size: 1.12rem; }
.solution-body p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 18px; }
.solution-features { list-style: none; margin-bottom: 20px; }
.solution-features li { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--text); margin-bottom: 6px; }
.solution-features li i { color: var(--green); font-size: 0.8rem; }

/* === Comparison Table === */
.comparison-table { width: 100%; border-collapse: collapse; margin: 30px 0; background: var(--white); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); }
.comparison-table thead { background: var(--secondary); }
.comparison-table th { color: var(--white); padding: 16px 20px; font-size: 0.9rem; font-weight: 600; text-align: left; }
.comparison-table td { padding: 14px 20px; font-size: 0.88rem; color: var(--text); border-bottom: 1px solid var(--gray-light); }
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tbody tr:nth-child(even) { background: var(--light); }

/* === Calculator === */
.calculator-box { background: var(--white); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow-lg); border: 1px solid rgba(255,140,0,0.15); }
.calculator-box h3 { color: var(--secondary); margin-bottom: 6px; }
.calculator-box > p { color: var(--gray); font-size: 0.9rem; margin-bottom: 24px; }
.calc-result {
  background: var(--gradient-secondary); border-radius: var(--radius); padding: 24px;
  margin-top: 20px; display: none; grid-template-columns: repeat(3, 1fr); gap: 16px; text-align: center;
}
.calc-result.show { display: grid; }
.calc-result-item .val { font-size: 1.5rem; font-weight: 800; color: var(--primary); display: block; }
.calc-result-item .label { font-size: 0.75rem; color: rgba(255,255,255,0.75); text-transform: uppercase; letter-spacing: 1px; }

/* === Footer === */
footer { background: var(--secondary); color: var(--white); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.3fr 1.4fr; gap: 40px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 1.3rem; font-weight: 800; color: var(--white); margin-bottom: 16px; }
.footer-logo img { height: 40px; width: 40px; object-fit: cover; border-radius: 50%; border: 2px solid var(--primary); }
.footer-logo span { color: var(--primary); }
.footer-col > p { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.8; margin-bottom: 20px; }
.footer-col h4 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--primary); border-radius: 2px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: rgba(255,255,255,0.65); font-size: 0.88rem; transition: var(--transition); display: flex; align-items: center; gap: 7px; }
.footer-links a:hover { color: var(--primary); padding-left: 5px; }
.footer-links a::before { content: '\203A'; font-size: 0.7rem; opacity: 0.5; }
.footer-contact-item { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 14px; }
.footer-contact-item i { color: var(--primary); font-size: 0.95rem; margin-top: 3px; flex-shrink: 0; }
.footer-contact-item p { color: rgba(255,255,255,0.65); font-size: 0.86rem; line-height: 1.6; margin: 0; }
.footer-bottom { padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { color: rgba(255,255,255,0.5); font-size: 0.84rem; margin: 0; }

/* === Floating Elements === */
.whatsapp-float {
  position: fixed; bottom: 90px; right: 24px; width: 52px; height: 52px;
  background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1.4rem; box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  z-index: 999; transition: var(--transition); animation: pulse-wa 3s infinite;
}
.whatsapp-float:hover { transform: scale(1.1); color: var(--white); }
@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5); }
  50% { box-shadow: 0 4px 40px rgba(37,211,102,0.8); }
}
.back-to-top {
  position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px;
  background: var(--gradient-primary); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: var(--white); font-size: 1rem; box-shadow: 0 4px 16px rgba(255,140,0,0.4);
  z-index: 999; cursor: pointer; opacity: 0; pointer-events: none;
  transform: translateY(10px); transition: var(--transition); border: none;
}
.back-to-top.visible { opacity: 1; pointer-events: all; transform: translateY(0); }

/* === Page Hero === */
/* ============================================
   PAGE HERO BANNER (inner pages)
   ============================================ */
.page-hero {
  padding: 140px 0 90px;
  background: linear-gradient(140deg, #061a38 0%, #0e3878 55%, #0a2e5c 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}
/* Subtle dot pattern — behind everything */
.page-hero::before {
  content: '';
  position: absolute; inset: 0; z-index: 0;
  background-image: radial-gradient(rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
/* Warm glow bottom-right — behind everything */
.page-hero::after {
  content: '';
  position: absolute; z-index: 0;
  bottom: -120px; right: -120px;
  width: 520px; height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,140,0,0.18) 0%, transparent 65%);
}
/* Decorative rings inside page-hero */
.page-hero-deco {
  position: absolute; border-radius: 50%;
  pointer-events: none; z-index: 0;
}
.page-hero-deco-1 {
  width: 540px; height: 540px;
  border: 1px solid rgba(255,140,0,0.10);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.page-hero-deco-2 {
  width: 340px; height: 340px;
  border: 1px solid rgba(255,140,0,0.16);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
/* Ensure all content sits ABOVE pseudo-elements */
.page-hero > :not(.page-hero-deco) {
  position: relative; z-index: 1;
}
/* Center & constrain content width */
.page-hero h1,
.page-hero p,
.page-hero .hero-badge,
.page-hero .breadcrumb {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  display: block;
}
.page-hero .hero-badge { display: inline-flex; }
.page-hero .breadcrumb { display: inline-flex; }
/* Badge pill */
.page-hero .hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(255,140,0,0.14);
  border: 1px solid rgba(255,140,0,0.32);
  color: #ffb84d;
  font-family: 'Segoe UI', sans-serif;
  font-size: 0.75rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 6px 16px; border-radius: 50px;
  margin-bottom: 16px;
}
/* Heading */
.page-hero h1 {
  color: #ffffff;
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.3px;
  text-shadow: 0 2px 16px rgba(0,0,0,0.35);
  margin: 0 auto;
  padding: 0 20px;
}
.page-hero h1 span { color: var(--primary); }
/* Subtext */
.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 560px;
  margin: 14px auto 0;
}
/* Breadcrumb */
.breadcrumb {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 24px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
  padding: 6px 18px; border-radius: 50px;
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.25s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: #ffb84d; font-weight: 600; }
.breadcrumb .fas { font-size: 0.6rem; color: rgba(255,255,255,0.3); }

/* === Team === */
.team-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 28px; }
.team-card { text-align: center; background: var(--white); border-radius: var(--radius-lg); padding: 28px 20px; box-shadow: var(--shadow); transition: var(--transition); }
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-avatar {
  width: 90px; height: 90px; border-radius: 50%; margin: 0 auto 16px;
  background: var(--gradient-secondary); display: flex; align-items: center;
  justify-content: center; font-size: 2rem; color: var(--white); font-weight: 700; border: 3px solid var(--primary);
}
.team-card h4 { color: var(--secondary); font-size: 1.02rem; margin-bottom: 4px; }
.team-card > span { color: var(--primary); font-size: 0.82rem; font-weight: 600; }
.team-card p { font-size: 0.85rem; margin-top: 10px; line-height: 1.6; }

/* === Map === */
.map-section { background: var(--white); }
.map-wrap { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); height: 360px; }
.map-wrap iframe { width: 100%; height: 100%; border: none; }

/* === Utilities === */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-white { color: var(--white) !important; }
.text-center { text-align: center; }
.bg-light { background: var(--light); }
.bg-white { background: var(--white); }
.mt-8 { margin-top: 32px; }

/* === Responsive === */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { gap: 40px; }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-card { padding: 28px 24px; }
}
@media (max-width: 768px) {
  .section { padding: 65px 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: var(--secondary); flex-direction: column; align-items: flex-start;
    padding: 80px 28px 28px; gap: 4px; transition: right 0.4s ease;
    z-index: 999; box-shadow: -6px 0 30px rgba(0,0,0,0.3);
  }
  .nav-links.open { right: 0; }
  .nav-links a { width: 100%; padding: 12px 16px; border-radius: 8px; font-size: 1rem; }
  .nav-links .btn-nav { width: 100%; text-align: center; justify-content: center; margin-left: 0; margin-top: 8px; }
  .about-grid { grid-template-columns: 1fr; }
  .about-badge { right: 0; }
  .about-image-wrap img { height: 300px; }
  .about-features { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-stats { gap: 20px; }
  .hero-stat .num { font-size: 1.6rem; }
  .form-row { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .calc-result { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: flex-start; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-btns .btn { width: 80%; justify-content: center; }
}

/* ── Sarthak Solar Solution — Custom Overrides ── */
.logo img { width:42px; height:42px; border-radius:50%; object-fit:cover; border:2px solid var(--primary); }
body.lang-hi { font-family: 'Noto Sans Devanagari', 'Poppins', sans-serif; }

/* Vendor code badge */
.vendor-badge {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(39,174,96,0.1); border:1px solid rgba(39,174,96,0.3);
  color:#27AE60; padding:6px 14px; border-radius:50px;
  font-size:0.78rem; font-weight:700; margin-top:8px;
}


@media(max-width:768px){
  
}
.empanelment-strip strong { color:#FFD700; }

/* Director card */
.director-card {
  background:var(--white); border:2px solid var(--primary);
  border-radius:var(--radius-lg); padding:24px 28px;
  display:flex; align-items:center; gap:20px;
  box-shadow: 0 4px 20px rgba(255,107,0,0.1);
}
.director-avatar {
  width:70px; height:70px; background:var(--gradient-primary);
  border-radius:50%; display:flex; align-items:center; justify-content:center;
  color:#fff; font-size:1.8rem; font-weight:800; flex-shrink:0;
}

/* ── Mobile Nav Fix ── */
@media (max-width: 900px) {
  .hamburger { display: flex !important; }
  .nav-links {
    display: flex;
    position: fixed; top: 0; right: -100%; width: 280px; height: 100vh;
    background: var(--secondary); flex-direction: column; align-items: flex-start;
    padding: 80px 28px 28px; gap: 4px; transition: right 0.35s ease;
    z-index: 1000; box-shadow: -6px 0 30px rgba(0,0,0,0.3);
    overflow-y: auto;
  }
  .nav-links.open { right: 0 !important; }
  .nav-links a { width:100%; padding:12px 16px; border-radius:8px; font-size:1rem; color:rgba(255,255,255,0.9) !important; }
  .nav-links a:hover { background:rgba(255,107,0,0.15); color:#fff !important; }
  .nav-links .btn-nav { width:100%; text-align:center; margin-left:0; margin-top:8px; }
}
@media (min-width: 901px) {
  .hamburger { display: none !important; }
  .nav-links {
    display: flex !important;
    position: static; width: auto; height: auto;
    background: transparent; flex-direction: row; align-items: center;
    padding: 0; gap: 4px; box-shadow: none; right: auto;
  }
}

/* ── Service Detail Sections ── */
.service-detail {
  padding: 80px 0;
}
.service-detail:nth-child(even) {
  background: var(--light);
}
.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.service-detail:nth-child(even) .service-detail-grid {
  direction: rtl;
}
.service-detail:nth-child(even) .service-detail-grid > * {
  direction: ltr;
}
.service-detail-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.service-detail-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 3px solid rgba(255,140,0,0.15);
  pointer-events: none;
}
.service-detail-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.service-detail-img:hover img {
  transform: scale(1.04);
}
.service-detail-content .label {
  display: inline-flex;
  background: rgba(255,140,0,0.1);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  border: 1px solid rgba(255,140,0,0.25);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.service-detail-content h2 {
  margin-bottom: 16px;
  font-size: 1.9rem;
}
.service-detail-content p {
  margin-bottom: 14px;
  color: var(--text-light);
  line-height: 1.75;
}
.benefit-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0 28px;
}
.benefit-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--secondary);
}
.benefit-item i {
  color: var(--primary);
  font-size: 0.95rem;
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .service-detail-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .service-detail:nth-child(even) .service-detail-grid {
    direction: ltr;
  }
  .service-detail-img img {
    height: 280px;
  }
  .benefit-list {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .service-detail {
    padding: 50px 0;
  }
  .service-detail-content h2 {
    font-size: 1.5rem;
  }
  .service-detail-img img {
    height: 220px;
  }
}