/* =========================
   Nova Powertronics Design System
   Corporate Minimal + Red Accent
   ========================= */

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

:root {
  --color-primary: #e31f26;
  --color-primary-deep: #b7131a;
  --color-primary-soft: #fde7e8;
  --color-ink-950: #131722;
  --color-ink-900: #1a2232;
  --color-ink-800: #1d2434;
  --color-ink-700: #2f3850;
  --color-ink-500: #667087;
  --color-surface: #ffffff;
  --color-surface-soft: #f4f6fa;
  --color-surface-muted: #ebeff5;
  --color-border: #d5dce8;
  --color-border-strong: #b8c2d4;

  --font-body: "Manrope", sans-serif;
  --font-display: "Sora", sans-serif;

  --radius-xs: 0.4rem;
  --radius-sm: 0.65rem;
  --radius-md: 0.95rem;
  --radius-lg: 1.3rem;
  --radius-xl: 1.9rem;

  --shadow-soft: 0 16px 36px rgba(16, 24, 40, 0.08);
  --shadow-strong: 0 24px 52px rgba(17, 24, 39, 0.14);

  --container: 1240px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-ink-800);
  background:
    radial-gradient(circle at 3% -10%, rgba(227, 31, 38, 0.08), transparent 34%),
    radial-gradient(circle at 88% 20%, rgba(16, 33, 66, 0.08), transparent 34%),
    var(--color-surface-soft);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2.6rem));
  margin: 0 auto;
}

/* Top Bar */
.top-bar {
  background: var(--color-ink-950);
  color: #cfd7e6;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.84rem;
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  gap: 1rem;
}

.top-bar-left,
.top-bar-right,
.contact-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-right {
  gap: 1.1rem;
}

.contact-link {
  text-decoration: none;
  color: #d7deea;
  transition: color 0.2s ease;
}

.contact-link:hover {
  color: #ffffff;
}

.icon,
.icon-location {
  width: 15px;
  height: 15px;
}

.icon-location {
  color: var(--color-primary);
}

/* Navigation */
.navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(184, 194, 212, 0.5);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
}

.navbar.scrolled {
  box-shadow: 0 12px 24px rgba(13, 21, 38, 0.08);
  background: rgba(255, 255, 255, 0.97);
}

.navbar .container {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.logo {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.78rem;
}

.logo-img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.logo-name {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  font-size: 1.18rem;
  color: var(--color-ink-950);
  font-weight: 700;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.nav-menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.3rem;
}

.nav-menu a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-ink-700);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.search-box {
  position: relative;
  min-width: 248px;
}

.search-box input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.65rem 0.95rem 0.65rem 2.3rem;
  font-size: 0.85rem;
  font-family: var(--font-body);
  background: #fff;
  color: var(--color-ink-800);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(227, 31, 38, 0.14);
}

.search-box input::placeholder {
  color: var(--color-ink-500);
}

.search-icon {
  width: 17px;
  height: 17px;
  position: absolute;
  left: 0.8rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-ink-500);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0.82rem 1.3rem;
  font-size: 0.9rem;
  font-weight: 700;
  font-family: var(--font-body);
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background-color 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 20px rgba(227, 31, 38, 0.2);
}

.btn-primary:hover {
  background: var(--color-primary-deep);
  transform: translateY(-1px);
}

.btn-outline {
  color: var(--color-ink-800);
  border-color: var(--color-border-strong);
  background: #fff;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-dark {
  background: var(--color-ink-950);
  color: #fff;
}

.btn-dark:hover {
  background: #060b16;
}

.btn-white {
  background: #fff;
  color: var(--color-ink-950);
}

.btn-white:hover {
  background: #f3f6fb;
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* Hero / Carousel */
.hero {
  padding: 1.3rem 0 0;
}

.carousel {
  position: relative;
  min-height: 560px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-strong);
}

.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  transition: transform 6s ease;
}

.carousel-slide.active img {
  transform: scale(1.09);
}

.carousel-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(13, 22, 40, 0.9) 8%, rgba(20, 29, 45, 0.74) 46%, rgba(16, 25, 41, 0.42) 88%),
    linear-gradient(to top, rgba(5, 10, 22, 0.45), rgba(5, 10, 22, 0));
}

.carousel-content {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: grid;
  align-content: center;
  width: min(var(--container), calc(100% - 2.6rem));
  margin: 0 auto;
  color: #fff;
}

.hero-kicker {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.45rem;
  padding: 0.36rem 0.78rem;
  border-radius: 999px;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: rgba(227, 31, 38, 0.18);
  color: #ffc6c8;
  border: 1px solid rgba(255, 145, 150, 0.26);
  margin-bottom: 1.2rem;
}

.carousel-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.85rem);
  line-height: 1.08;
  max-width: 760px;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.carousel-content p {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 1.8rem;
  font-size: 1.03rem;
}

.hero-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 2.2rem;
  max-width: 560px;
}

.hero-metric {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.85rem;
}

.hero-metric strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.1;
  font-family: var(--font-display);
}

.hero-metric span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.82);
}

.carousel-dots {
  position: absolute;
  left: 50%;
  bottom: 1.2rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.45rem;
  z-index: 3;
}

.dot {
  width: 32px;
  height: 4px;
  border-radius: 999px;
  border: none;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  transition: width 0.24s ease, background-color 0.24s ease;
}

.dot.active {
  width: 52px;
  background: var(--color-primary);
}

/* Generic Section */
section {
  position: relative;
}

.section-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;
}

.section-kicker {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.3rem;
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--color-ink-950);
}

.section-header p {
  max-width: 620px;
  color: var(--color-ink-500);
  font-size: 0.95rem;
}

.view-all {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-ink-800);
  white-space: nowrap;
}

.view-all svg {
  width: 15px;
  height: 15px;
}

.view-all:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Product Categories */
.product-categories {
  padding: 4.4rem 0 2.4rem;
}

.categories-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.categories-loading,
.categories-empty {
  grid-column: 1 / -1;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  text-align: center;
  color: var(--color-ink-500);
  background: #fff;
}

.category-card {
  position: relative;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  min-height: 170px;
  display: grid;
  align-content: start;
  gap: 0.55rem;
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(227, 31, 38, 0.4);
  box-shadow: var(--shadow-soft);
}

.category-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 0.8rem;
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.category-icon svg {
  width: 21px;
  height: 21px;
}

.category-card h3 {
  font-family: var(--font-display);
  font-size: 1.01rem;
  line-height: 1.3;
  color: var(--color-ink-900);
}

.product-count {
  font-size: 0.83rem;
  color: var(--color-ink-500);
}

.arrow-icon {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  position: absolute;
  right: 1rem;
  bottom: 1rem;
}

/* Reliability */
.reliability-section {
  padding: 2.2rem 0 2.6rem;
}

.reliability-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 1.4rem;
}

.reliability-content,
.reliability-image {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.reliability-content {
  padding: 2rem;
}

.reliability-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 2.05rem);
  line-height: 1.22;
  margin-bottom: 0.85rem;
  color: var(--color-ink-950);
}

.reliability-content .highlight {
  color: var(--color-primary);
}

.reliability-content p {
  color: var(--color-ink-500);
  margin-bottom: 1.2rem;
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--color-ink-700);
  font-weight: 600;
}

.feature-arrow {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  flex: 0 0 auto;
}

.feature-arrow svg {
  width: 13px;
  height: 13px;
}

.reliability-image {
  overflow: hidden;
  min-height: 360px;
}

.reliability-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Why Choose */
.why-choose-section {
  padding: 2.4rem 0;
}

.why-choose-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.4rem;
}

.why-choose-content {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.9rem;
}

.why-choose-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.42rem, 2.1vw, 1.95rem);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.why-choose-content .highlight {
  color: var(--color-primary);
}

.why-choose-content p {
  color: var(--color-ink-500);
  margin-bottom: 1.3rem;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.stat-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  background: var(--color-surface-soft);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--color-primary);
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.77rem;
  color: var(--color-ink-500);
  font-weight: 600;
}

.why-choose-features {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.feature-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: #fff;
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.feature-card:hover {
  border-color: rgba(227, 31, 38, 0.45);
  transform: translateY(-2px);
}

.feature-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 0.7rem;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  margin-bottom: 0.65rem;
}

.feature-icon svg {
  width: 18px;
  height: 18px;
}

.feature-card h4 {
  font-family: var(--font-display);
  font-size: 0.96rem;
  color: var(--color-ink-900);
  margin-bottom: 0.25rem;
}

.feature-card p {
  font-size: 0.82rem;
  color: var(--color-ink-500);
}

/* Trusted Section */
.trusted-section {
  padding: 2.4rem 0;
}

.trusted-header {
  margin-bottom: 1.1rem;
}

.trusted-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.2vw, 1.9rem);
  color: var(--color-ink-950);
  margin-bottom: 0.35rem;
}

.trusted-header p {
  color: var(--color-ink-500);
  max-width: 680px;
}

.marquee-container {
  overflow: hidden;
  position: relative;
}

.marquee-container::before,
.marquee-container::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: max(calc((100vw - 1240px) / 2), 1.3rem);
  pointer-events: none;
  z-index: 2;
}

.marquee-container::before {
  left: 0;
  background: linear-gradient(to right, #f4f6fa 0%, transparent 100%);
}

.marquee-container::after {
  right: 0;
  background: linear-gradient(to left, #f4f6fa 0%, transparent 100%);
}

.marquee {
  display: flex;
  gap: 0.8rem;
}

.marquee-content {
  display: flex;
  flex-shrink: 0;
  gap: 0.8rem;
  animation: marquee 28s linear infinite;
}

.marquee:hover .marquee-content {
  animation-play-state: paused;
}

.trusted-card {
  min-width: 260px;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.95rem;
}

.trusted-icon {
  width: 38px;
  height: 38px;
  border-radius: 0.65rem;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.trusted-icon svg {
  width: 18px;
  height: 18px;
}

.trusted-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--color-ink-900);
  line-height: 1;
}

.trusted-label {
  margin-top: 0.2rem;
  display: block;
  font-size: 0.79rem;
  color: var(--color-ink-500);
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-100%);
  }
}

/* CTA */
.cta-section {
  margin: 2.8rem 0 0;
  background:
    linear-gradient(120deg, #b90f16 0%, #e31f26 50%, #9d0d14 100%);
  color: #fff;
  padding: 3rem 0;
}

.cta-section .container {
  display: grid;
  justify-items: start;
  gap: 0.85rem;
}

.cta-section h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.1vw, 2.35rem);
  letter-spacing: -0.02em;
  max-width: 740px;
}

.cta-section p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.88);
}

.cta-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* Footer */
.footer {
  background: #0f1522;
  color: #d1d8e8;
  margin-top: 0;
}

.footer .container {
  padding-top: 3rem;
  padding-bottom: 1.3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 1.7rem;
}

.footer-brand h3 {
  font-family: var(--font-display);
  color: #ffffff;
  font-size: 1.08rem;
  margin-bottom: 0.65rem;
}

.footer-brand p {
  max-width: 420px;
  color: #b9c5dc;
  font-size: 0.87rem;
}

.social-links {
  margin-top: 1rem;
}

.social-link {
  width: 35px;
  height: 35px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
}

.social-link svg {
  width: 15px;
  height: 15px;
  color: #dce4f6;
}

.social-link:hover {
  border-color: var(--color-primary);
  background: rgba(227, 31, 38, 0.25);
}

.footer-links h4 {
  color: #ffffff;
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.footer-links ul {
  list-style: none;
  display: grid;
  gap: 0.36rem;
}

.footer-links a {
  text-decoration: none;
  color: #b9c5dc;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.13);
  padding-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-bottom p,
.footer-legal a {
  font-size: 0.79rem;
  color: #a9b7d3;
  text-decoration: none;
}

.footer-legal {
  display: flex;
  gap: 1rem;
}

.footer-legal a:hover {
  color: #fff;
}

/* Reveal animation */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

[data-reveal].animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Utility */
.categories-loading {
  animation: pulse 1.3s ease-in-out infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 0.55;
  }

  50% {
    opacity: 1;
  }
}

/* Responsive */
@media (max-width: 1140px) {
  .navbar .container {
    min-height: 78px;
  }

  .nav-right {
    gap: 1rem;
  }

  .search-box {
    min-width: 205px;
  }

  .categories-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .reliability-grid,
  .why-choose-grid {
    grid-template-columns: 1fr;
  }

  .reliability-image {
    min-height: 310px;
  }
}

@media (max-width: 860px) {
  .top-bar .container {
    min-height: 58px;
    flex-direction: column;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.45rem 0;
  }

  .navbar .container {
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 0.65rem 0;
  }

  .nav-right {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .nav-menu {
    justify-content: center;
    flex-wrap: wrap;
  }

  .search-box {
    min-width: 100%;
  }

  .carousel {
    min-height: 520px;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    max-width: 300px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .why-choose-features {
    grid-template-columns: 1fr;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(var(--container), calc(100% - 1.5rem));
  }

  .logo-name {
    font-size: 1.03rem;
  }

  .carousel {
    min-height: 500px;
    border-radius: 1.1rem;
  }

  .carousel-content h1 {
    font-size: clamp(1.75rem, 8vw, 2.3rem);
  }

  .section-header {
    align-items: start;
    flex-direction: column;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .stats-row {
    grid-template-columns: 1fr;
  }

  .cta-section .container {
    justify-items: stretch;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn {
    width: 100%;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-legal {
    flex-wrap: wrap;
  }
}