/* =========================================================
   CONCEPT 2: FUTURE ENERGY / TECH MINIMAL - OPTIMIZED
   ========================================================= */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&family=Space+Grotesk:wght@300;500;700&display=swap");

:root {
  --bg-dark: #051424;
  --bg-panel: #0a2339;
  --brand-blue: #005bac;
  --brand-yellow: #ffd84d;
  --text-white: #ffffff;
  --text-grey: #94a3b8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", "Roboto";
  background-color: var(--bg-dark);
  color: var(--text-grey);
  line-height: 1.6;
  overflow-x: hidden;

  /* --- GLOBAL GRID PATTERN (Applies to whole page) --- */
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center top;
  background-attachment: fixed; /* Locks the grid in place */
}

h1,
h2,
h3,
h4,
.logo,
.nav-links a,
.stat-item h3 {
  font-family: "Space Grotesk", sans-serif;
}

a {
  text-decoration: none;
  color: inherit;
  transition: 0.3s;
}

ul {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: auto;
  padding: 0 20px;
}

/* =========================================================
   HEADER & NAV
   ========================================================= */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.8) 0%,
    transparent 100%
  );
  transition: all 0.5s cubic-bezier(0.215, 0.61, 0.355, 1);
}
header.hide {
  transform: translateY(-100%);
}
header.scrolled,
header:hover {
  background: rgba(5, 20, 36, 0.95) !important;
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
header .container {
  max-width: 95%;
  padding: 0 40px;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 90px;
  transition: 0.4s ease;
}
header.scrolled .nav-wrapper,
header:hover .nav-wrapper {
  height: 70px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
}
.logo div {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  line-height: 1;
}
.logo span {
  color: var(--brand-yellow);
  text-shadow: 0 0 15px rgba(255, 216, 77, 0.4);
}
.logo img {
  height: 45px;
  width: auto;
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(0, 91, 172, 0.5);
}

/* Nav Links */
.nav-links {
  display: flex;
  gap: 50px;
}
.nav-links a {
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-white);
  position: relative;
  letter-spacing: 0.5px;
  opacity: 0.9;
  padding-bottom: 5px;
}
.nav-links a:hover {
  color: var(--brand-yellow);
  opacity: 1;
}
.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--brand-yellow);
  transition: width 0.3s ease;
  box-shadow:
    0 0 10px var(--brand-yellow),
    0 0 20px var(--brand-yellow);
}
.nav-links a:hover::after {
  width: 100%;
}

.menu-toggle {
  display: none;
  font-size: 1.8rem;
  color: var(--text-white);
  cursor: pointer;
}

/* =========================================================
   HERO SECTION
   ========================================================= */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  text-align: left;
  overflow: hidden;
}
.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(5, 20, 36, 0.9) 0%,
    rgba(5, 20, 36, 0.4) 60%,
    transparent 100%
  );
  z-index: 1;
}
.hero .container {
  position: relative;
  z-index: 2;
  width: 100%;
  margin-left: 5%;
}
.hero h1 {
  font-size: 5.5rem;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 25px;
  line-height: 1.1;
  letter-spacing: -2px;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  max-width: 900px;
}
.hero h1 span {
  background: linear-gradient(to right, #005bac, #4fc3f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0;
  line-height: 1.7;
}

/* =========================================================
   PARTNERS SECTION (Strategic Partners)
   ========================================================= */
.partners-section {
  padding: 80px 0;
  background: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
}
.partners-section::before {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
  margin-top: 60px;
}

.partner-card {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(2, 11, 22, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  aspect-ratio: 1/1;
}

.partner-logo {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  margin: auto;
  transition: transform 0.3s ease;
}

.partner-card:hover {
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 30px rgba(255, 216, 77, 0.2);
  transform: translateY(-6px) scale(1.02);
}

.partner-card:hover .partner-logo {
  transform: scale(1.1);
}
.partner-card.gold-tier:hover {
  border-color: #ffd84d;
  box-shadow: 0 0 20px rgba(255, 216, 77, 0.3);
}

.partner-description {
  max-width: 1150px;
  margin: 0 auto 50px auto;
  text-align: justify;
  color: #b0b8c1;
  font-size: 1.4rem;
  line-height: 1.8;
}
.brand-highlight {
  color: #fff;
  font-weight: 700;
  font-family: "Inter", "Roboto", sans-serif;
}
.brand-highlight span {
  color: #ffd84d;
}

.partners-section .section-title {
  margin-bottom: 50px !important;
}

/* =========================================================
   COMPARISON SECTION (Phase 1 & 2)
   ========================================================= */
.comparison-section {
  padding: 120px 0;
  background-color: transparent;
  background-image: none;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
}
.comparison-section::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, transparent 20%, #020b16 100%);
  pointer-events: none;
}
.comparison-section .container {
  position: relative;
  z-index: 2;
}

/* --- Tech Table Wrapper --- */
.tech-table-wrapper {
  background: rgba(7, 27, 47, 0.85);
  border-radius: 16px;
  padding: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  overflow-x: auto;
  margin-bottom: 30px; /* UPDATED to 30px */
  position: relative;
  box-shadow:
    0 0 40px rgba(0, 91, 172, 0.2),
    0 0 80px rgba(0, 91, 172, 0.15),
    0 0 0 1px rgba(0, 91, 172, 0.3);
}

.tech-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 800px;
}

/* Headers */
.tech-table th {
  padding: 25px 20px;
  text-align: center;
  font-family: "Inter", "Roboto", sans-serif;
  text-transform: uppercase;
  font-size: 0.9rem;
  letter-spacing: 1.5px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

/* Cells */
.tech-table td {
  padding: 25px 20px;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 1rem;
  vertical-align: top;
}
.tech-table td strong {
  color: #8fa3b8;
  font-weight: 500;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.tech-table th:first-child,
.tech-table td:first-child {
  text-align: left;
  padding-left: 30px;
}

/* Columns */
.col-legacy {
  color: #94a3b8;
  font-weight: 400;
  background: rgba(239, 68, 68, 0.03);
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}
.col-new {
  color: #ffd84d;
  font-weight: 500;
  background: rgba(255, 216, 77, 0.02);
  text-shadow: 0 0 15px rgba(255, 216, 77, 0.5);
  border-left: 1px solid rgba(255, 216, 77, 0.1);
}

/* Badges */
.badge-ended {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid #ef4444;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.2);
}
.badge-active {
  background: rgba(255, 216, 77, 0.15);
  color: #ffd84d;
  border: 1px solid #ffd84d;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  box-shadow: 0 0 10px rgba(255, 216, 77, 0.2);
}

/* =========================================================
   SERVICES SECTION
   ========================================================= */
.services-section {
  padding: 140px 0;
  background-color: transparent;
  background-image: none; /* Removed local grid */
}
.section-title.center-aligned {
  text-align: center;
  margin-bottom: 80px;
}
.section-title p {
  color: var(--brand-yellow);
  font-weight: 600;
  letter-spacing: 3px;
  margin-bottom: 15px;
  text-transform: uppercase;
  font-size: 0.9rem;
}
.section-title h2 {
  font-size: 3.5rem;
  color: var(--text-white);
  font-weight: 700;
  letter-spacing: -1px;
}

/* --- ADDED: Horizontal Yellow Glow Line for Section Titles --- */
.section-title h2::before {
  content: "";
  display: block;
  width: 50px;
  height: 4px;
  background: var(--brand-yellow);
  margin: 0 auto 20px auto;
  box-shadow: 0 0 15px var(--brand-yellow);
  border-radius: 2px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
}

.service-card {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 4px;
  transition:
    transform 0.4s ease,
    background 0.4s ease,
    border-color 0.4s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(5px);
}
.service-card:hover {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.05) 0%,
    rgba(255, 255, 255, 0.01) 100%
  );
  border-color: var(--brand-blue);
  transform: translateY(-10px);
}
.service-icon {
  font-size: 3rem;
  color: var(--brand-yellow);
  margin-bottom: 25px;
}
.service-card h3 {
  font-size: 1.5rem;
  color: var(--text-white);
  margin-bottom: 15px;
  font-weight: 700;
  transition: color 0.3s ease;
}
.service-card:hover h3 {
  color: var(--brand-yellow);
}
.service-card p {
  color: var(--text-grey);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 30px;
}
.service-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--brand-yellow);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.service-link i {
  font-size: 0.8rem;
  transition: transform 0.3s ease;
}
.service-card:hover .service-link i {
  transform: translateX(5px);
}
.service-link::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 1px;
  background: var(--brand-yellow);
  bottom: -2px;
  left: 0;
  transition: 0.3s;
}
.service-link:hover::after {
  width: 60%;
  opacity: 0.7;
}

/* =========================================================
   CERTIFICATIONS & EQUIPMENT
   ========================================================= */
.cert-section {
  padding: 120px 0;
  background-color: transparent;
  overflow: hidden;
}
.cert-carousel-wrapper {
  position: relative;
  max-width: 1000px;
  margin: 50px auto 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-nav {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--brand-yellow);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  transition: 0.3s;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cert-nav:hover {
  background: var(--brand-yellow);
  color: #051424;
  box-shadow: 0 0 20px rgba(255, 216, 77, 0.5);
  transform: scale(1.1);
}
.cert-nav.prev {
  margin-right: 20px;
}
.cert-nav.next {
  margin-left: 20px;
}
.cert-track {
  width: 100%;
  position: relative;
  height: 400px;
  perspective: 1000px;
}
.cert-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transform: translateX(50px) scale(0.9);
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  pointer-events: none;
  display: flex;
  justify-content: center;
}
.cert-slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: all;
  z-index: 5;
}
.cert-3d-card {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.03) 0%,
    rgba(10, 35, 57, 0.8) 100%
  );
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  width: 100%;
  max-width: 850px;
  display: grid;
  grid-template-columns: 40% 60%;
  overflow: hidden;
  box-shadow:
    0 20px 50px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
}
.cert-visual {
  position: relative;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  overflow: hidden;
}
.cert-visual img {
  width: 100%;
  height: auto;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.5));
  transition: 0.4s;
}
.cert-slide.active .cert-visual img {
  transform: scale(1.05);
}
.visual-glow {
  position: absolute;
  width: 150%;
  height: 150%;
  background: radial-gradient(
    circle,
    rgba(255, 216, 77, 0.15) 0%,
    transparent 60%
  );
  top: -25%;
  left: -25%;
  z-index: 1;
  animation: pulseGlow 4s infinite alternate;
}
.cert-info {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid rgba(255, 255, 255, 0.05);
}
.cert-info h3 {
  font-size: 2rem;
  color: var(--text-white);
  margin-bottom: 5px;
}
.cert-info h4 {
  color: var(--brand-yellow);
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-weight: 600;
  text-shadow: 0 0 10px rgba(255, 216, 77, 0.4);
}
.cert-info p {
  color: var(--text-grey);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 30px;
}
.cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 216, 77, 0.1);
  border: 1px solid var(--brand-yellow);
  color: var(--brand-yellow);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  width: fit-content;
}
@keyframes pulseGlow {
  from {
    opacity: 0.5;
    transform: scale(1);
  }
  to {
    opacity: 1;
    transform: scale(1.1);
  }
}

/* Equipment Supply */
.supply-section {
  padding: 120px 0;
  background-color: transparent;
  background-image: none; /* Removed local grid */
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  z-index: 4;
}
.supply-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 60px;
}
.supply-card {
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.03) 0%,
    rgba(10, 35, 57, 0.6) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 12px;
  transition: 0.3s;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}
.supply-card:hover {
  transform: translateY(-10px);
  border-color: var(--brand-blue);
  box-shadow: 0 10px 40px rgba(0, 91, 172, 0.15);
}
.supply-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-yellow), transparent);
  opacity: 0;
  transition: 0.3s;
}
.supply-card:hover::before {
  opacity: 1;
}
.card-icon {
  font-size: 2.5rem;
  color: var(--brand-yellow);
  margin-bottom: 25px;
  text-shadow: 0 0 15px rgba(255, 216, 77, 0.3);
}
.supply-card h3 {
  color: var(--text-white) !important;
  font-size: 1.5rem;
  margin-bottom: 15px;
  font-family: "Inter", "Roboto", sans-serif;
}
.supply-card p {
  color: var(--text-grey);
  font-size: 0.95rem;
  margin-bottom: 25px;
  line-height: 1.6;
}

/* Inventory List */
.inventory-container {
  background: rgba(10, 35, 57, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  backdrop-filter: blur(10px);
  padding: 0 40px;
  margin-top: 50px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
.inventory-row {
  display: flex;
  align-items: center;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: 0.3s;
  gap: 40px;
}
.inventory-row:last-child {
  border-bottom: none;
}
.inventory-row:hover {
  background: rgba(255, 255, 255, 0.02);
  padding-left: 20px;
  padding-right: 20px;
  margin-left: -20px;
  margin-right: -20px;
}
.inv-icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--brand-yellow);
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: 0.3s;
}
.inventory-row:hover .inv-icon {
  background: var(--brand-yellow);
  color: #000;
  box-shadow: 0 0 20px rgba(255, 216, 77, 0.4);
}
.inv-info {
  flex-grow: 1;
}
.inv-info h3 {
  color: var(--text-white) !important;
  font-size: 1.5rem;
  margin-bottom: 8px;
  font-family: "Inter", "Roboto", sans-serif;
}
.inv-info p {
  color: var(--text-grey);
  margin: 0;
  font-size: 1rem;
}
.inv-brands {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  width: 300px;
}
.brand-tag {
  background: rgba(5, 20, 36, 0.8);
  border: 1px solid var(--brand-blue);
  color: var(--text-white);
  padding: 8px 15px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}

/* =========================================================
   CTA SECTION & PROMO
   ========================================================= */
.promo-section {
  padding: 60px 0; /* Adds spacing above/below */
  background-color: transparent;
}

.promo-banner-wrapper {
  max-width: 1200px; /* Standard container width from your code */
  margin: 0 auto;
  padding: 0 20px;
}

.promo-img {
  width: 100%;
  height: auto;
  border-radius: 12px; /* Adds a slight curve to match your panel design */
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.cta-section {
  padding: 120px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  background-color: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.cta-video-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 20, 36, 0.85);
  z-index: 1;
}
.cta-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.cta-layout p {
  text-align: justify;
}

.cta-content {
  text-align: left;
}
.brand-text {
  font-family: "Inter", "Roboto", sans-serif;
  font-weight: 700;
  color: var(--text-white);
  text-transform: uppercase;
}
.brand-text span {
  color: var(--brand-yellow);
}
.cta-section h2 {
  font-size: 3.5rem;
  color: var(--text-white);
  margin-bottom: 20px;
  line-height: 1.1;
  text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* --- ADDED: Horizontal Yellow Glow Line for CTA Section --- */
.cta-section h2::before {
  content: "";
  display: block;
  width: 50px;
  height: 4px;
  background: var(--brand-yellow);
  margin: 0 0 20px 0;
  box-shadow: 0 0 15px var(--brand-yellow);
  border-radius: 2px;
}

.cta-section p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
  line-height: 1.7;
  max-width: 90%;
}
.cta-image-wrapper {
  position: relative;
}
.cta-img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}
.cta-img:hover {
  transform: scale(1.02);
}

.btn {
  display: inline-block;
  padding: 20px 50px;
  background: var(--brand-yellow);
  color: #051424;
  border: none;
  border-radius: 4px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.95rem;
  font-family: "Inter", "Roboto", sans-serif;
  letter-spacing: 2px;
  transition: 0.3s ease;
  box-shadow: 0 0 15px rgba(255, 216, 77, 0.3);
}
.btn:hover {
  background: #fff;
  box-shadow: 0 0 30px rgba(255, 216, 77, 0.6);
  transform: scale(1.05);
}

/* =========================================================
   NEW SECTION: OUR BRANDS
   ========================================================= */
.brands-section {
  padding: 100px 0;
  background: transparent;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.brand-category {
  margin-bottom: 80px;
}

.brand-category h3 {
  color: var(--brand-yellow);
  margin-bottom: 40px;
  text-align: center;
  font-size: 1.8rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  text-shadow: 0 0 20px rgba(255, 216, 77, 0.2);
}

/* --- 1. INVERTERS GRID (Standard Layout) --- */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  justify-items: center;
}

img[src*="goodwe"] {
  transform: scale(2.5) !important;
  transition: transform 0.3s ease;
}

img[src*="midea"] {
  transform: scale(4) !important;
  transition: transform 0.3s ease;
}

.brand-card:hover img[src*="goodwe"] {
  transform: scale(2.7) !important;
}

.brand-card:hover img[src*="midea"] {
  transform: scale(4.3) !important;
}

img[src*="hoymiles"] {
  transform: scale(2.5) !important;
  transition: transform 0.3s ease;
}

.brand-card:hover img[src*="hoymiles"] {
  transform: scale(2.7) !important;
}

/* Default Card Style (Inverters) */
.brand-card {
  width: 100%;
  height: 100px;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  transition: all 0.3s ease;
  padding: 25px;
  position: relative;
  overflow: hidden;
}

.brand-card:hover {
  transform: translateY(-5px);
  border-color: var(--brand-yellow);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  background: #ffffff;
}

.brand-card img {
  max-width: 80%;
  max-height: 80%;
  object-fit: fill;
  filter: none;
  transition: transform 0.3s ease;
}

.brand-card:hover img {
  transform: scale(1.1);
}

/* --- 2. PV PANELS GRID (Vertical & Single Row) --- */
.brands-grid.panels-grid {
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

/* Panel Card Style */
.brands-grid.panels-grid .brand-card {
  display: block !important;
  height: 300px !important;
  padding: 0 !important;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Panel Image Style */
.brands-grid.panels-grid .brand-card img {
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  object-fit: fill !important;
  object-position: center;
  transition: transform 0.5s ease;
}

/* Panel Hover */
.brands-grid.panels-grid .brand-card:hover {
  border-color: var(--brand-yellow);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.brands-grid.panels-grid .brand-card:hover img {
  transform: scale(1.05);
}

/* --- RESPONSIVE FIX (Updated for Centering) --- */
@media (max-width: 1024px) {
  /* Switch to Flexbox for mobile to perfect center alignment */
  .brands-grid.panels-grid {
    display: flex !important; /* Overrides grid */
    flex-wrap: wrap;
    justify-content: center; /* This centers the cards! */
    gap: 20px;
  }

  /* Set a fixed consistent width for cards on mobile */
  .brands-grid.panels-grid .brand-card {
    width: 45% !important; /* 2 items per row */
    max-width: 200px; /* Prevents them getting too huge */
    height: 300px !important; /* Shorter height for mobile */
    flex-grow: 0; /* Prevents solitary items from stretching */
  }
}

/* Optional: Extra adjustment for very small screens */
@media (max-width: 480px) {
  .brands-grid.panels-grid .brand-card {
    width: 80% !important; /* 1 item per row on tiny screens */
    height: 350px !important;
  }
}
/* =========================================================
   FOOTER
   ========================================================= */
footer {
  /* Semi-transparent dark overlay to let grid show but keep footer distinguishable */
  background-color: rgba(2, 11, 22, 0.85);
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-grey);
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 50px;
  margin-bottom: 60px;
}
.footer-col h4 {
  color: var(--text-white);
  margin-bottom: 25px;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.footer-col h4 span {
  color: var(--brand-yellow);
}

.contact-info li {
  margin-bottom: 10px;
  display: flex;
  gap: 20px;
}

.contact-info li i {
  width: 25px;
  min-width: 25px;
  text-align: center;
  margin-top: 5px;
  color: var(--brand-yellow);
}

.copyright {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* =========================================================
   GLOBAL GLOW & ANIMATION UTILS
   ========================================================= */
/* Specific Yellow Glows */
.logo span,
.nav-links a:hover,
.section-title p,
.service-icon,
.service-link,
.footer-col h4 span,
.brand-text span,
.brand-highlight span,
.service-card:hover h3 {
  color: var(--brand-yellow);
  text-shadow:
    0 0 12px rgba(255, 216, 77, 0.8),
    0 0 25px rgba(255, 216, 77, 0.4);
  transition: all 0.3s ease;
}

/* Styling for the FirstSource Solar text in section titles */
.section-title h2 span {
  color: var(--brand-yellow);
  text-shadow: 0 0 15px rgba(255, 216, 77, 0.4);
  font-weight: 700;
}

.section-title h2 {
  color: var(--text-white);
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(60px);
  filter: blur(10px);
  transition: all 1.2s cubic-bezier(0.165, 0.84, 0.44, 1);
  will-change: transform, opacity, filter;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

/* =========================================================
   RESPONSIVE QUERIES (Grouped)
   ========================================================= */

/* Tablet & Laptop (768px - 1200px) */
@media (min-width: 768px) and (max-width: 1200px) {
  .nav-links {
    gap: 20px;
  }
  .nav-links a {
    font-size: 0.8rem;
  }
  header .container {
    padding: 0 15px;
  }
  .hero h1 {
    font-size: 4rem;
  }
  .cta-layout {
    gap: 30px;
  }
  .cta-section h2 {
    font-size: 2.5rem;
  }

  /* Tablet: Allow panels to wrap if needed, keep them tall */
  .brands-grid.panels-grid {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  }

  .partners-grid {
    display: flex;
    justify-content: center; /* This is the magic: Centers the items in the last row */
  }
}

/* Mobile (< 768px) */
@media (max-width: 767px) {
  .nav-container {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80% !important;
    max-width: 300px;
    height: 100vh;
    padding: 120px 30px 40px;
    transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    background-color: #020b16;
    background-image:
      linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 30px 30px;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.9);
  }
  .nav-container.active {
    right: 0;
  }
  .nav-links {
    display: flex;
    flex-direction: column;
    gap: 25px;
    align-items: flex-start;
    width: 100%;
  }
  .nav-links a:hover,
  .nav-links a.active {
    color: var(--brand-yellow);
    border-bottom-color: var(--brand-yellow);
    padding-left: 10px;
  }
  .nav-links a {
    font-size: 1.5rem;
  }
  .menu-toggle {
    display: block;
    z-index: 1001;
  }
  .hero .container {
    margin-left: 0;
    padding: 0 30px;
    text-align: left;
  }
  .hero h1 {
    font-size: 3rem;
    letter-spacing: -1px;
  }
  .hero p {
    font-size: 1.1rem;
  }
  .cta-layout {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .cta-image-wrapper {
    order: 1;
    width: 100%;
  }
  .cta-content {
    order: 2;
    text-align: center;
  }
  .cta-img {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
  }
  .cta-section p {
    margin: 0 auto 30px;
  }
  .cert-3d-card {
    grid-template-columns: 1fr;
    grid-template-rows: 250px auto;
  }
  .cert-track {
    height: 600px;
  }
  .cert-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .cert-nav.prev {
    left: -10px;
  }
  .cert-nav.next {
    right: -10px;
  }

  /* --- MOBILE BRAND GRID FIX (Updated) --- */
  .brands-grid.panels-grid {
    display: flex !important; /* Switch to Flexbox */
    flex-wrap: wrap; /* Allow wrapping */
    justify-content: center; /* CENTER items in the row */
    gap: 15px;
  }

  .brands-grid {
    grid-template-columns: 1fr !important;
  }

  /* Panel Size for Mobile */
  .brands-grid.panels-grid .brand-card {
    width: 45% !important; /* Fit 2 per row */
    height: 230px !important; /* Keep them TALL (Vertical Rectangle) */
    flex-grow: 0; /* Prevent stretching */
    /* Ensure styles from main section apply (padding:0, cover) */
    padding: 0 !important;
    object-fit: cover;
  }
}

/* Small Mobile (< 900px for Inventory, < 600px generic) */
@media (max-width: 900px) {
  .inventory-row {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .inv-brands {
    width: 100%;
    justify-content: center;
  }
  .inventory-container {
    padding: 20px;
  }
}

@media (max-width: 600px) {
  .logo div {
    flex-direction: column;
    align-items: flex-start;
    line-height: 0.9;
    gap: 0;
  }
  .logo span {
    font-size: 0.8em;
    letter-spacing: 2px;
  }
  .service-card {
    padding: 20px 15px;
    margin-left: 0.5rem;
    margin-right: 0.5rem;
  }
  .section-title h2 {
    font-size: 2.2rem;
    overflow-wrap: break-word;
  }
  .cta-section h2 {
    font-size: 1.8rem;
    line-height: 1.2;
    padding: 0 10px;
  }
  .cta-image-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-bottom: 25px;
  }
  .cta-img {
    width: 80%;
    max-width: 300px;
    height: auto;
  }
}

@media (max-width: 380px) {
  .section-title h2 {
    font-size: 2rem;
  }
  .cta-section h2 {
    font-size: 1.6rem;
  }
  .hero h1 {
    font-size: 2.5rem;
  }
  .menu-toggle {
    margin-right: -20px;
  }
  .logo {
    margin-left: -20px;
  }
  .container {
    padding: 0 5px;
  }

  /* Very small screens: Make panels 1 per row */
  .brands-grid.panels-grid .brand-card {
    width: 90% !important;
    height: 250px !important;
  }
}