/* ==========================================
   UYGUR OTO LASTİK — Antigravity Design System
   Colors: #0A0A0A, #00E5FF, #E0E0E0
   ========================================== */

/* === RESET & BASE === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --black: #0A0A0A;
  --cyan: #00E5FF;
  --cyan-dim: #00b8cc;
  --cyan-glow: rgba(0, 229, 255, 0.3);
  --cyan-glow-strong: rgba(0, 229, 255, 0.6);
  --silver: #E0E0E0;
  --silver-dim: #9e9e9e;
  --dark-1: #111111;
  --dark-2: #1a1a1a;
  --dark-3: #222222;
  --glass-bg: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Outfit', sans-serif;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font);
  background-color: var(--black);
  color: var(--silver);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: #fff;
}

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

/* === SECTION CONTAINER === */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* === NAVBAR === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(10, 10, 10, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.nav-logo:hover {
  color: #fff;
}

.logo-icon {
  font-size: 1.5rem;
  color: var(--cyan);
  filter: drop-shadow(0 0 8px var(--cyan-glow));
}

.logo-highlight {
  color: var(--cyan);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 32px;
}

.nav-links a {
  color: var(--silver-dim);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: var(--transition);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--cyan-glow);
}

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

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--cyan);
  color: var(--black) !important;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.nav-cta:hover {
  background: #fff;
  color: var(--black) !important;
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.cta-icon {
  font-size: 1rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--silver);
  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 === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 72px;
}

.hero-bg-effects {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
}

.glow-orb-1 {
  width: 500px;
  height: 500px;
  background: var(--cyan);
  top: -150px;
  right: -100px;
  opacity: 0.15;
  animation: orbFloat 8s ease-in-out infinite;
}

.glow-orb-2 {
  width: 400px;
  height: 400px;
  background: #0066ff;
  bottom: -100px;
  left: -100px;
  opacity: 0.1;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

@keyframes orbFloat {

  0%,
  100% {
    transform: translate(0, 0);
  }

  50% {
    transform: translate(30px, -30px);
  }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--cyan);
  font-weight: 500;
  margin-bottom: 24px;
  backdrop-filter: blur(10px);
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--cyan), #0066ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--silver-dim);
  max-width: 500px;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--cyan);
  color: var(--black);
}

.btn-primary:hover {
  background: #fff;
  color: var(--black);
  transform: translateY(-2px);
}

.btn-glow {
  box-shadow: 0 0 25px var(--cyan-glow), 0 0 50px rgba(0, 229, 255, 0.15);
}

.btn-glow:hover {
  box-shadow: 0 0 35px rgba(255, 255, 255, 0.3), 0 0 60px rgba(255, 255, 255, 0.1);
}

.btn-outline {
  background: transparent;
  color: var(--silver);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: var(--glass-bg-hover);
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-icon {
  font-size: 1.1rem;
}

/* === HERO STATS === */
.hero-stats {
  display: flex;
  gap: 40px;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan);
  display: inline;
}

.stat-plus {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cyan);
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--silver-dim);
  margin-top: 4px;
  font-weight: 500;
}

/* === HERO VISUAL === */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.tire-container {
  position: relative;
  width: 450px;
  height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-tire-img {
  width: 380px;
  height: 380px;
  object-fit: contain;
  animation: tireFloat 6s ease-in-out infinite;
  filter: drop-shadow(0 20px 60px rgba(0, 229, 255, 0.2));
  position: relative;
  z-index: 2;
}

@keyframes tireFloat {

  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }

  25% {
    transform: translateY(-15px) rotate(2deg);
  }

  50% {
    transform: translateY(-25px) rotate(0deg);
  }

  75% {
    transform: translateY(-10px) rotate(-2deg);
  }
}

.tire-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--cyan-glow-strong) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  z-index: 1;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {

  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

.tire-ring {
  position: absolute;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(0, 229, 255, 0.1);
  border-radius: 50%;
  animation: ringRotate 20s linear infinite;
  z-index: 1;
}

.tire-ring::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
}

@keyframes ringRotate {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* === SCROLL INDICATOR === */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
  animation: fadeInUp 1s 1.5s both;
}

.scroll-indicator span {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--silver-dim);
}

.mouse {
  width: 24px;
  height: 38px;
  border: 2px solid var(--silver-dim);
  border-radius: 12px;
  position: relative;
}

.mouse-wheel {
  width: 3px;
  height: 8px;
  background: var(--cyan);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 2s ease-in-out infinite;
}

@keyframes scrollWheel {
  0% {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }

  100% {
    opacity: 0;
    transform: translateX(-50%) translateY(12px);
  }
}

/* === SECTION STYLES === */
.brands,
.services,
.why-us,
.gallery,
.contact {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-badge {
  display: inline-block;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--cyan);
  font-weight: 500;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  font-size: 1rem;
  color: var(--silver-dim);
  max-width: 550px;
  margin: 0 auto;
}

/* === BRANDS ORBIT === */
.brands {
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
  overflow: hidden;
}

.brands-orbit {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, black 15%, black 85%, transparent 100%);
}

.brand-track {
  display: flex;
  gap: 32px;
  animation: brandScroll 30s linear infinite;
  width: max-content;
}

@keyframes brandScroll {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.brand-card {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px 32px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: var(--transition);
  cursor: default;
  min-width: 140px;
}

.brand-card:hover {
  background: var(--glass-bg-hover);
  border-color: var(--cyan);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.1);
}

.brand-logo-wrap {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: var(--dark-2);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 229, 255, 0.15);
  transition: var(--transition);
}

.brand-logo-img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  opacity: 0.8;
  transition: var(--transition);
}

.brand-card:hover .brand-logo-wrap {
  border-color: rgba(0, 229, 255, 0.4);
  background: rgba(0, 229, 255, 0.05);
}

.brand-card:hover .brand-logo-img {
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(0, 229, 255, 0.4));
}

.brand-letter {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--cyan);
  opacity: 0.7;
  transition: var(--transition);
}

.brand-card:hover .brand-letter {
  opacity: 1;
  text-shadow: 0 0 10px var(--cyan-glow);
}

.brand-name {
  font-size: 0.85rem;
  color: var(--silver-dim);
  font-weight: 500;
}

/* === SERVICES === */
.services {
  background: linear-gradient(180deg, var(--black) 0%, var(--dark-1) 50%, var(--black) 100%);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(0, 229, 255, 0.2);
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 229, 255, 0.08);
}

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

.service-card.featured {
  border-color: rgba(0, 229, 255, 0.3);
  background: rgba(0, 229, 255, 0.03);
}

.featured-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: linear-gradient(135deg, var(--cyan), #0066ff);
  color: var(--black);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}

.service-icon-wrap {
  position: relative;
  margin-bottom: 20px;
}

.service-icon {
  font-size: 2.5rem;
  position: relative;
  z-index: 2;
}

.service-icon-glow {
  position: absolute;
  top: 50%;
  left: 20px;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: var(--cyan-glow);
  border-radius: 50%;
  filter: blur(25px);
  z-index: 1;
  opacity: 0;
  transition: var(--transition);
}

.service-card:hover .service-icon-glow {
  opacity: 1;
}

.service-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--silver-dim);
  line-height: 1.6;
  margin-bottom: 16px;
}

.service-features {
  list-style: none;
  margin-bottom: 20px;
}

.service-features li {
  font-size: 0.82rem;
  color: var(--silver);
  padding: 4px 0;
  opacity: 0.8;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--cyan);
  transition: var(--transition);
}

.service-cta:hover {
  color: #fff;
  gap: 8px;
}

/* === WHY US === */
.why-us {
  background: var(--dark-1);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-item {
  text-align: center;
  padding: 40px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.why-item:hover {
  background: var(--glass-bg-hover);
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.15);
}

.why-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.why-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.why-item p {
  font-size: 0.85rem;
  color: var(--silver-dim);
}

/* === GALLERY / INSTAGRAM === */
.gallery {
  background: linear-gradient(180deg, var(--black) 0%, var(--dark-1) 100%);
}

.insta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 40px;
}

.insta-card {
  position: relative;
  aspect-ratio: 1;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--dark-2);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.insta-card:hover {
  transform: scale(1.03);
  border-color: var(--cyan);
  box-shadow: 0 8px 30px rgba(0, 229, 255, 0.1);
}

.insta-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
}

.insta-placeholder span {
  font-size: 3rem;
  opacity: 0.3;
}

.insta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 229, 255, 0.15);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
}

.insta-card:hover .insta-overlay {
  opacity: 1;
}

.insta-overlay span {
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
}

.insta-follow {
  text-align: center;
}

/* === CONTACT === */
.contact {
  background: var(--dark-1);
}

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

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: var(--transition);
  align-items: flex-start;
}

.contact-card:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(0, 229, 255, 0.15);
}

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-card h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.contact-card p,
.contact-card a {
  font-size: 0.85rem;
  color: var(--silver-dim);
  line-height: 1.5;
}

.contact-card a:hover {
  color: var(--cyan);
}

.contact-map {
  height: 460px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--glass-border);
}

/* === FOOTER === */
.footer {
  background: var(--black);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--silver-dim);
  max-width: 280px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--silver-dim);
}

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

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--silver-dim);
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 40px rgba(37, 211, 102, 0.15);
  transition: var(--transition);
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: #fff;
  color: #333;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition);
  pointer-events: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

@keyframes whatsappPulse {

  0%,
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.3);
  }

  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4), 0 0 0 12px rgba(37, 211, 102, 0);
  }
}

/* === REVEAL ANIMATIONS === */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transition-delay: var(--delay, 0s);
}

.reveal-up.revealed {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }

  to {
    opacity: 0.5;
    transform: translateX(-50%) translateY(0);
  }
}

/* === PARTICLES === */
.particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  background: var(--cyan);
  border-radius: 50%;
  opacity: 0;
  animation: particleDrift var(--duration) var(--delay) infinite;
}

@keyframes particleDrift {
  0% {
    opacity: 0;
    transform: translateY(0) scale(0);
  }

  20% {
    opacity: 0.6;
    transform: translateY(-20px) scale(1);
  }

  100% {
    opacity: 0;
    transform: translateY(-200px) scale(0);
  }
}

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-120%);
    transition: var(--transition);
    z-index: 999;
  }

  .nav-links.active {
    transform: translateY(0);
  }

  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
    padding-top: 40px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .tire-container {
    width: 300px;
    height: 300px;
  }

  .hero-tire-img {
    width: 260px;
    height: 260px;
  }

  .tire-ring {
    width: 280px;
    height: 280px;
  }

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

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

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

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

  .contact-map {
    height: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scroll-indicator {
    display: none;
  }
}

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

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

  .insta-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .brand-card {
    min-width: 110px;
    padding: 16px 20px;
  }
}