/* ===== GMS Tuning — Main Stylesheet ===== */

/* --- CSS Custom Properties --- */
:root {
  --color-primary: #005eb8;
  --color-accent: #ff0000;
  --color-accent-glow: rgba(255, 0, 0, 0.4);
  --color-dark: #0a0a0a;
  --color-dark-alt: #111111;
  --color-card: #1a1a1a;
  --color-card-hover: #222222;
  --color-text: #e0e0e0;
  --color-text-muted: #999999;
  --color-white: #ffffff;
  --color-blue-light: #00aaff;
  --color-whatsapp: #25d366;
  --font-heading: 'Orbitron', sans-serif;
  --font-body: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --nav-height: 70px;
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  background-color: var(--color-dark);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

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

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

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  color: var(--color-white);
}

.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin: 12px auto 0;
  border-radius: 2px;
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Top Bar --- */
.top-bar {
  background-color: var(--color-primary);
  color: var(--color-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 24px;
  font-size: 0.85rem;
}

.top-bar a {
  color: var(--color-white);
  text-decoration: underline !important;
}

/* --- Navigation --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.navbar-logo img {
  height: 50px;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 1px;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--color-white);
  transition: var(--transition);
  border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-image: url('../COVER%20v1.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.4) 50%,
    rgba(10, 10, 10, 1) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 4rem;
  color: var(--color-white);
  margin-bottom: 1rem;
  animation: heroFadeIn 1s ease forwards;
  opacity: 0;
}

.hero-content p {
  font-size: 1.3rem;
  color: var(--color-text);
  margin-bottom: 2rem;
  animation: heroFadeIn 1s ease 0.3s forwards;
  opacity: 0;
}

.hero-btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--color-accent);
  color: var(--color-white) !important;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: bold;
  border-radius: 4px;
  letter-spacing: 1px;
  transition: all var(--transition);
  animation: heroFadeIn 1s ease 0.6s forwards;
  opacity: 0;
}

.hero-btn:hover {
  background: #cc0000;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 0, 0, 0.3);
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- About Section --- */
.about {
  padding: 80px 0;
  background: var(--color-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.about-images img {
  width: 100%;
  border-radius: 10px;
  object-fit: cover;
  height: 300px;
}

.about-text h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.about-text p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text);
}

/* --- Services Section --- */
.services {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition);
}

.service-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 12px;
  padding: 1px;
  background: linear-gradient(135deg, transparent 0%, var(--color-accent) 50%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover::before {
  opacity: 1;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(255, 0, 0, 0.15);
  background: var(--color-card-hover);
}

.service-card .icon {
  font-size: 2.5rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.service-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Portfolio / Work Section --- */
.portfolio {
  padding: 80px 0;
  background: var(--color-dark);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.portfolio-item {
  border-radius: 10px;
  overflow: hidden;
  position: relative;
}

.portfolio-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* --- Vehicle Search --- */
.vehicle-search {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--color-dark-alt) 0%, #1a1a2e 100%);
}

.search-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
  margin-bottom: 2rem;
}

.search-form select {
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--color-card);
  color: var(--color-text);
  font-size: 0.95rem;
  min-width: 200px;
  cursor: pointer;
  transition: border-color var(--transition);
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.search-form select:focus {
  outline: none;
  border-color: var(--color-blue-light);
}

.search-btn {
  padding: 12px 28px;
  background: var(--color-blue-light);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 1px;
}

.search-btn:hover {
  background: #0088cc;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 170, 255, 0.3);
}

.search-result {
  max-width: 600px;
  margin: 0 auto;
  background: var(--color-card);
  border-radius: 12px;
  padding: 2rem;
  display: none;
  border: 1px solid rgba(0, 170, 255, 0.2);
}

.search-result.active {
  display: block;
  animation: heroFadeIn 0.5s ease forwards;
}

.search-result h3 {
  font-family: var(--font-heading);
  color: var(--color-blue-light);
  margin-bottom: 1rem;
}

.search-result .option-tag {
  display: inline-block;
  padding: 6px 14px;
  margin: 4px;
  background: rgba(0, 170, 255, 0.1);
  border: 1px solid rgba(0, 170, 255, 0.3);
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--color-blue-light);
}

/* --- Vehicle Search Results --- */
.tuning-stage {
  background: rgba(0, 170, 255, 0.05);
  border: 1px solid rgba(0, 170, 255, 0.15);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1rem;
}

.tuning-stage.stage2 {
  background: rgba(255, 0, 0, 0.05);
  border-color: rgba(255, 0, 0, 0.15);
}

.stage-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-blue-light);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage2 .stage-title {
  color: var(--color-accent);
}

.gains-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.gain-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 8px;
  padding: 8px 14px;
  flex: 1;
  min-width: 200px;
}

.gain-label {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  min-width: 50px;
}

.gain-stock {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.gain-arrow {
  color: var(--color-blue-light);
  font-size: 0.75rem;
}

.stage2 .gain-arrow {
  color: var(--color-accent);
}

.gain-tuned {
  color: var(--color-white);
  font-weight: bold;
  font-size: 1rem;
}

.gain-diff {
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
  font-size: 0.8rem;
  font-weight: bold;
  padding: 2px 8px;
  border-radius: 12px;
}

/* --- Reviews --- */
.reviews {
  padding: 80px 0;
  background: var(--color-dark);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.review-card {
  background: var(--color-card);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform var(--transition);
}

.review-card:hover {
  transform: translateY(-3px);
}

.review-card .stars {
  color: #ffc107;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.review-card p {
  font-style: italic;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.review-card .reviewer {
  font-weight: bold;
  color: var(--color-white);
  font-size: 0.9rem;
}

/* --- Contact Section --- */
.contact {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-form .row {
  display: flex;
  gap: 12px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--color-text);
  font-size: 0.95rem;
  font-family: var(--font-body);
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-form button {
  padding: 14px 28px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  align-self: flex-start;
  letter-spacing: 1px;
}

.contact-form button:hover {
  background: #004a92;
  transform: translateY(-2px);
}

.contact-info h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 1rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.contact-info-item i {
  color: var(--color-primary);
  font-size: 1.2rem;
  width: 20px;
  text-align: center;
}

.contact-map {
  margin-top: 40px;
  border-radius: 12px;
  overflow: hidden;
}

.contact-map iframe {
  width: 100%;
  height: 300px;
  border: none;
}

.contact-social {
  margin-top: 2rem;
}

.contact-social iframe {
  border: none;
  border-radius: 8px;
}

/* --- Footer --- */
.footer {
  background: #050505;
  padding: 50px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer h4 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  color: var(--color-white);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  color: var(--color-text-muted);
  padding: 4px 0;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent);
}

.footer-contact p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-contact a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* --- WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition);
  animation: whatsappPulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
}

.whatsapp-float i {
  color: var(--color-white);
  font-size: 1.8rem;
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* --- Back to Top Button --- */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 999;
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  box-shadow: 0 4px 15px rgba(0, 94, 184, 0.4);
  transition: all var(--transition);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #004a92;
  transform: translateY(-3px);
}

/* --- Form Status --- */
.form-status {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(37, 211, 102, 0.15);
  color: #25d366;
  border: 1px solid rgba(37, 211, 102, 0.3);
}

.form-status.error {
  display: block;
  background: rgba(255, 0, 0, 0.1);
  color: #ff4444;
  border: 1px solid rgba(255, 0, 0, 0.3);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    padding: 100px 30px 30px;
    gap: 1.5rem;
    transition: right var(--transition);
    z-index: 1000;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links a {
    font-size: 1rem;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-images {
    justify-content: center;
  }

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

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

  .contact-form .row {
    flex-direction: column;
  }

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

  .search-form select {
    min-width: 100%;
  }

  .search-form {
    flex-direction: column;
    padding: 0 20px;
  }

  .top-bar {
    flex-direction: column;
    text-align: center;
    gap: 4px;
    font-size: 0.8rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.8rem;
  }

  .about-images {
    flex-direction: column;
    align-items: center;
  }

  .about-images img {
    max-height: 250px;
    width: 100%;
  }
}