/* Reset và Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 50%, #ff8c42 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

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

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #ff8c42 0%, #ffa726 30%, #ffeb3b 70%, #fff176 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 20px rgba(255, 235, 59, 0.3);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(247, 148, 29, 0.5);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 30px rgba(247, 148, 29, 0.7);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.95);
    color: #2c3e50;
    border: 2px solid rgba(255, 107, 53, 0.3);
    backdrop-filter: blur(15px) saturate(180%);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 1);
    border-color: #ff6b35;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(247, 148, 29, 0.4);
    color: #ff6b35;
}

.btn-success {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(76, 175, 80, 0.6);
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98) 0%, 
        rgba(252, 250, 248, 0.98) 50%, 
        rgba(255, 252, 245, 0.98) 100%);
    backdrop-filter: blur(30px) saturate(180%);
    border-bottom: 3px solid transparent;
    border-image: linear-gradient(90deg, 
        rgba(255, 107, 53, 0.2) 0%, 
        rgba(247, 148, 29, 0.6) 50%, 
        rgba(255, 107, 53, 0.2) 100%) 1;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.08),
        0 0 40px rgba(247, 148, 29, 0.1);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(0);
}

.navbar {
    padding: 15px 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo img {
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
}

.nav-logo img:hover {
    transform: scale(1.05);
}

/* Logo glow animation removed */

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #2c3e50;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #ff6b35;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    transition: width 0.3s ease;
    box-shadow: 0 2px 8px rgba(247, 148, 29, 0.4);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #2c3e50;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.95) 0%, rgba(247, 148, 29, 0.95) 50%, rgba(255, 140, 66, 0.95) 100%), url('./images/hero-background.svg') no-repeat center center;
    background-size: cover;
    background-attachment: scroll;
    background-position: center center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

/* Hero Particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    animation: particleFloat 15s infinite ease-in-out;
    opacity: 0.6;
}

.particle:nth-child(1) {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 12s;
}

.particle:nth-child(2) {
    top: 20%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 15s;
}

.particle:nth-child(3) {
    top: 60%;
    left: 20%;
    animation-delay: 4s;
    animation-duration: 18s;
}

.particle:nth-child(4) {
    top: 80%;
    left: 70%;
    animation-delay: 1s;
    animation-duration: 14s;
}

.particle:nth-child(5) {
    top: 40%;
    left: 50%;
    animation-delay: 3s;
    animation-duration: 16s;
}

.particle:nth-child(6) {
    top: 70%;
    left: 90%;
    animation-delay: 5s;
    animation-duration: 13s;
}

.particle:nth-child(7) {
    top: 30%;
    left: 40%;
    animation-delay: 2.5s;
    animation-duration: 17s;
}

.particle:nth-child(8) {
    top: 90%;
    left: 15%;
    animation-delay: 4.5s;
    animation-duration: 19s;
}

@keyframes particleFloat {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translate(50px, -30px) scale(1.5);
        opacity: 0.6;
    }
    50% {
        transform: translate(-30px, 50px) scale(1);
        opacity: 0.8;
    }
    75% {
        transform: translate(30px, 30px) scale(1.3);
        opacity: 0.4;
    }
}

/* Electric Current Animation */
.electric-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.electric-line {
    position: absolute;
    background: linear-gradient(90deg, transparent 0%, #00ffff 50%, transparent 100%);
    height: 2px;
    border-radius: 1px;
    box-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff, 0 0 30px #00ffff;
}

.electric-line-1 {
    top: 20%;
    left: -100%;
    width: 200px;
    animation: electricFlow1 3s infinite linear;
}

.electric-line-2 {
    top: 60%;
    right: -100%;
    width: 150px;
    animation: electricFlow2 2.5s infinite linear 0.5s;
}

.electric-line-3 {
    top: 80%;
    left: -100%;
    width: 180px;
    animation: electricFlow3 3.5s infinite linear 1s;
}

.electric-spark {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #00ffff;
    border-radius: 50%;
    box-shadow: 0 0 10px #00ffff, 0 0 20px #00ffff;
}

.electric-spark-1 {
    top: 25%;
    left: 10%;
    animation: sparkle 1.5s infinite ease-in-out;
}

.electric-spark-2 {
    top: 70%;
    right: 15%;
    animation: sparkle 1.8s infinite ease-in-out 0.3s;
}

.electric-spark-3 {
    top: 45%;
    left: 80%;
    animation: sparkle 2s infinite ease-in-out 0.7s;
}

/* Charging Battery Animation */
.charging-battery {
    position: absolute;
    top: 15%;
    right: 10%;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.battery-body {
    position: relative;
    width: 60px;
    height: 30px;
    border: 3px solid #ffffff;
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    padding: 3px;
}

.battery-tip {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 15px;
    background: #ffffff;
    border-radius: 0 3px 3px 0;
}

.battery-level {
    height: 100%;
    background: linear-gradient(90deg, #ff4444 0%, #ffaa00 50%, #00ff00 100%);
    border-radius: 3px;
    animation: batteryCharging 2s infinite ease-in-out;
}

.charging-bolt {
    color: #ffff00;
    font-size: 20px;
    animation: boltPulse 1s infinite ease-in-out;
    text-shadow: 0 0 10px #ffff00;
}

/* Keyframe Animations */
@keyframes electricFlow1 {
    0% {
        left: -200px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes electricFlow2 {
    0% {
        right: -150px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        right: 100%;
        opacity: 0;
    }
}

@keyframes electricFlow3 {
    0% {
        left: -180px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0;
        transform: scale(0.5);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

@keyframes batteryCharging {
    0% {
        width: 20%;
    }
    50% {
        width: 80%;
    }
    100% {
        width: 95%;
    }
}

@keyframes boltPulse {
    0%, 100% {
        opacity: 0.7;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.charging-text {
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    animation: textGlow 2s infinite ease-in-out;
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    }
    50% {
        text-shadow: 0 0 20px rgba(255, 255, 255, 1), 0 0 30px rgba(255, 215, 0, 0.8);
    }
}

/* Speed Lines Effect */
.speed-lines {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 60%;
    transform: translateY(-50%);
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.speed-line {
    position: absolute;
    height: 2px;
    width: 200px;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 215, 0, 0.6) 50%, transparent 100%);
    box-shadow: 0 0 10px rgba(255, 215, 0, 0.8);
    animation: speedLineMove 2.5s infinite linear;
}

.speed-line:nth-child(1) {
    top: 20%;
    animation-delay: 0s;
    animation-duration: 2s;
}

.speed-line:nth-child(2) {
    top: 40%;
    animation-delay: 0.3s;
    animation-duration: 2.3s;
}

.speed-line:nth-child(3) {
    top: 60%;
    animation-delay: 0.6s;
    animation-duration: 2.6s;
}

.speed-line:nth-child(4) {
    top: 35%;
    animation-delay: 0.9s;
    animation-duration: 2.1s;
}

.speed-line:nth-child(5) {
    top: 75%;
    animation-delay: 1.2s;
    animation-duration: 2.8s;
}

@keyframes speedLineMove {
    0% {
        left: -200px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        left: 100%;
        opacity: 0;
    }
}

/* Tire Rotation Effect */
.tire-effect {
    position: absolute;
    bottom: 30%;
    right: 20%;
    z-index: 1;
    display: flex;
    gap: 150px;
}

.tire {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.3);
    position: relative;
    animation: tireRotate 1.5s linear infinite;
    background: radial-gradient(circle, rgba(50, 50, 50, 0.4) 0%, rgba(30, 30, 30, 0.6) 100%);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.3), inset 0 0 20px rgba(0, 0, 0, 0.5);
}

.tire-inner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    box-shadow: 0 0 15px rgba(247, 148, 29, 0.8);
}

.tire::before,
.tire::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 70%;
    height: 2px;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
}

.tire::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

@keyframes tireRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Energy Flow Waves */
.energy-waves {
    position: absolute;
    bottom: 20%;
    left: 10%;
    width: 40%;
    height: 200px;
    z-index: 1;
    pointer-events: none;
}

.energy-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%,
        rgba(255, 215, 0, 0.3) 25%,
        rgba(255, 165, 0, 0.4) 50%,
        rgba(255, 107, 53, 0.3) 75%,
        transparent 100%);
    clip-path: polygon(0 100%, 100% 100%, 100% 70%, 0 90%);
    animation: energyFlow 3s infinite ease-in-out;
    opacity: 0.6;
}

.energy-wave:nth-child(1) {
    animation-delay: 0s;
}

.energy-wave:nth-child(2) {
    animation-delay: 1s;
    opacity: 0.4;
}

.energy-wave:nth-child(3) {
    animation-delay: 2s;
    opacity: 0.5;
}

@keyframes energyFlow {
    0% {
        transform: translateX(-100%) scaleY(0.8);
        opacity: 0;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        transform: translateX(100%) scaleY(1.2);
        opacity: 0;
    }
}

/* Charging Station */
.charging-station {
    position: absolute;
    bottom: 15%;
    left: 8%;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
}

.station-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: 0 8px 20px rgba(247, 148, 29, 0.5);
    position: relative;
    z-index: 2;
    animation: stationBounce 2s infinite ease-in-out;
}

.station-pulse {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    border: 2px solid rgba(255, 107, 53, 0.6);
    animation: stationPulseOut 2s infinite ease-out;
}

.station-pulse:nth-child(2) {
    animation-delay: 0.6s;
}

.station-pulse:nth-child(3) {
    animation-delay: 1.2s;
}

@keyframes stationPulseOut {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

@keyframes stationBounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
    position: relative;
    animation: fadeInUp 1s ease-out;
}

.hero-left {
    text-align: left;
}

.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Tech Badge */
.tech-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInDown 1s ease-out;
}

.tech-badge i {
    color: #ffd700;
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Stats */
.hero-stats {
    display: flex;
    gap: 30px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px 25px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease-out;
    animation-delay: calc(var(--i) * 0.1s);
}

.stat-item:nth-child(1) {
    --i: 1;
}

.stat-item:nth-child(2) {
    --i: 2;
}

.stat-item:nth-child(3) {
    --i: 3;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.2);
}

.stat-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 5px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.brand-name {
    background: linear-gradient(135deg, #ffffff 0%, #fff9e6 30%, #ffe4b3 70%, #ffd699 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease-in-out infinite;
    font-weight: 800;
    font-size: 3.2rem;
    display: block;
    margin-bottom: 8px;
    text-shadow: 0 4px 20px rgba(255, 255, 255, 0.5);
    filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.3));
}

.tagline {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    font-size: 1.5rem;
    display: block;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    margin-top: 10px;
    font-style: italic;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.hero-description {
    font-size: 1.2rem;
    color: #ffffff;
    margin-bottom: 30px;
    line-height: 1.6;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Dealers Section */
.dealers {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
}

.search-bar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
    align-items: center;
}

.search-input {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.search-input i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

.search-input input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #f0f0f0;
    border-radius: 50px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.search-input input:focus {
    outline: none;
    border-color: #ff6b35;
    box-shadow: 0 0 0 4px rgba(247, 148, 29, 0.2);
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

.filter-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid #f0f0f0;
    background: white;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.filter-btn.active,
.filter-btn:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(247, 148, 29, 0.4);
}

.dealers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.dealer-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 24px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.dealer-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(247, 148, 29, 0.35), 0 10px 25px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 107, 53, 0.6);
}

.dealer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.dealer-card:hover::before {
    left: 100%;
}

.dealer-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.dealer-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    flex-shrink: 0;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 8px 16px rgba(247, 148, 29, 0.4);
    transition: all 0.3s ease;
}

.dealer-card:hover .dealer-icon {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 12px 24px rgba(247, 148, 29, 0.6);
}

.dealer-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1a1a1a;
}

.dealer-info {
    margin-bottom: 20px;
}

.dealer-info p {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: #666;
}

.dealer-info i {
    width: 16px;
    color: #ff6b35;
}

.dealer-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-small {
    padding: 8px 16px;
    font-size: 13px;
}

/* Map Section */
.map-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
}

.map-container {
    height: 500px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 10px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.interactive-map {
    height: 100%;
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
}

.leaflet-container {
    border-radius: 20px;
}

.custom-popup {
    font-family: 'Inter', sans-serif;
}

.custom-popup .popup-title {
    font-weight: 600;
    font-size: 1.1rem;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.custom-popup .popup-address {
    color: #666;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.custom-popup .popup-contact {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.custom-popup .popup-btn {
    padding: 6px 10px;
    border-radius: 15px;
    text-decoration: none;
    font-size: 0.75rem;
    font-weight: 500;
    transition: all 0.3s ease;
    flex: 1;
    text-align: center;
    min-width: 60px;
}

.custom-popup .popup-btn-primary {
    background: linear-gradient(135deg, #f79526 0%, #e67e22 100%);
    color: white;
}

.custom-popup .popup-btn-secondary {
    background: #f8f9fa;
    color: #f79526;
    border: 1px solid #f79526;
}

.custom-popup .popup-btn-directions {
    background: linear-gradient(135deg, #4CAF50 0%, #45a049 100%);
    color: white;
}

.custom-popup .popup-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

/* Shop Links Section */
.shop-section {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.shop-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s infinite ease-in-out;
}

.shop-section::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 148, 29, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 25s infinite ease-in-out reverse;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
    transform: translate(50px, 50px) scale(1.1);
    }
}

.shop-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.shop-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    border-radius: 24px;
    padding: 40px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.shop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s ease;
}

.shop-card:hover::before {
    left: 100%;
}

.shop-card:hover {
    transform: translateY(-20px) scale(1.03) rotate(-1deg);
    box-shadow: 0 30px 60px rgba(247, 148, 29, 0.3), 0 15px 30px rgba(0, 0, 0, 0.15);
}

.shopee-card {
    border-image: linear-gradient(135deg, #ee4d2d, #ff6b35) 1;
}

.shopee-card:hover {
    border-color: #ee4d2d;
    box-shadow: 0 20px 50px rgba(238, 77, 45, 0.2);
}

.direct-card {
    border-image: linear-gradient(135deg, #007bff, #0056b3) 1;
}

.direct-card:hover {
    border-color: #007bff;
    box-shadow: 0 20px 50px rgba(0, 123, 255, 0.2);
}

.shop-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    transition: all 0.3s ease;
}

.shopee-card .shop-icon {
    background: linear-gradient(135deg, #ee4d2d, #ff6b35);
    color: white;
}

.direct-card .shop-icon {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
}

.shop-card:hover .shop-icon {
    transform: rotate(360deg) scale(1.1);
}

.shop-info {
    text-align: center;
}

.shop-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.shop-description {
    color: #666;
    margin-bottom: 25px;
    font-size: 1rem;
    line-height: 1.6;
}

.shop-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 30px;
}

.shop-features .feature {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 16px;
    background: #f8f9fa;
    border-radius: 25px;
    transition: all 0.3s ease;
}

.shopee-card .feature {
    color: #ee4d2d;
}

.direct-card .feature {
    color: #007bff;
}

.shop-card:hover .feature {
    background: rgba(0, 0, 0, 0.05);
    transform: translateX(5px);
}

.shop-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.shopee-card .shop-cta {
    background: linear-gradient(135deg, #ee4d2d, #ff6b35);
    color: white;
}

.direct-card .shop-cta {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
}

.shop-cta i {
    transition: transform 0.3s ease;
}

.shop-card:hover .shop-cta i {
    transform: translateX(5px);
}

.cta-text {
    font-weight: 600;
}

/* Products Section */
.products {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.loading-products {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Desktop styles for dealer action buttons */
@media (min-width: 1200px) {
    .dealer-actions .btn-small {
        padding: 6px 12px;
        font-size: 12px;
        gap: 4px;
    }
    
    .dealer-actions {
        gap: 8px;
    }
}

@media (max-width: 1400px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 600px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
}

/* Shop Links Responsive */
@media (max-width: 768px) {
    .shop-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .shop-card {
        padding: 30px 20px;
    }
    
    .shop-name {
        font-size: 1.5rem;
    }
    
    .shop-features {
        gap: 10px;
    }
    
    .shop-features .feature {
        font-size: 0.9rem;
        padding: 6px 12px;
    }
}

.product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.product-info {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.product-description {
    color: #666;
    margin-bottom: 16px;
    line-height: 1.5;
    flex: 1;
}

.product-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 12px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #666;
    background: #f8f9fa;
    padding: 4px 8px;
    border-radius: 6px;
}

.feature i {
    color: #f79526;
}

.product-colors {
    margin-bottom: 16px;
    padding: 8px;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 3px solid #f79526;
}

.product-colors small {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #666;
}

.product-price {
    font-size: 1.1rem;
    font-weight: 600;
    color: #f79526;
    margin-bottom: 12px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-items {
    margin-top: 40px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item i {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    box-shadow: 0 8px 16px rgba(247, 148, 29, 0.4);
    transition: all 0.3s ease;
}

.contact-item:hover i {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 12px 24px rgba(247, 148, 29, 0.6);
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1a1a1a;
}

.contact-item p {
    color: #666;
}

.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #f0f0f0;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b35;
    box-shadow: 0 0 0 4px rgba(247, 148, 29, 0.2);
    transform: translateY(-2px);
    transition: all 0.3s ease;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: white;
    padding: 60px 0 20px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 107, 53, 0.6), transparent);
}

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

.footer-logo img {
    height: 40px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: white;
}

.footer-section p {
    color: #ccc;
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #f79526;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: linear-gradient(135deg, #ff6b35 0%, #f7941d 100%);
    transform: translateY(-3px) rotate(5deg);
    box-shadow: 0 8px 20px rgba(247, 148, 29, 0.5);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #333;
    color: #ccc;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Hero Image Styles */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
}

.evo-grand {
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.2));
    transition: all 0.3s ease;
    animation: carEntranceAndZoom 6s ease-in-out infinite;
    position: relative;
}


@keyframes carEntranceAndZoom {
    0% {
        transform: translateX(150px) scale(0.8);
        opacity: 0;
    }
    15% {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
    30% {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
    40% {
        transform: translateX(0) scale(1.05);
        opacity: 1;
    }
    50% {
        transform: translateX(0) scale(0.95);
        opacity: 1;
    }
    60% {
        transform: translateX(0) scale(1.05);
        opacity: 1;
    }
    70% {
        transform: translateX(0) scale(0.95);
        opacity: 1;
    }
    80% {
        transform: translateX(0) scale(1.02);
        opacity: 1;
    }
    90% {
        transform: translateX(0) scale(0.98);
        opacity: 1;
    }
    100% {
        transform: translateX(0) scale(1);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Hide some EV effects on mobile for performance */
    .tire-effect,
    .energy-waves {
        display: none;
    }
    
    .charging-station {
        bottom: 10%;
        left: 5%;
    }
    
    .station-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .charging-battery {
        top: 10%;
        right: 5%;
        transform: scale(0.8);
    }
    
    .speed-lines {
        display: none;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: linear-gradient(180deg, 
            rgba(255, 255, 255, 0.98) 0%, 
            rgba(252, 250, 248, 0.98) 100%);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 20px 0;
        border-bottom: 3px solid rgba(247, 148, 29, 0.5);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
        padding: 20px 0;
    }
    
    .hero-left {
        text-align: center;
        order: 2;
    }
    
    .hero-right {
        order: 1;
        margin-bottom: 20px;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.2;
    }
    
    .brand-name {
        font-size: 2.4rem;
    }
    
    .tagline {
        font-size: 1.4rem;
    }

    .hero-title .gradient-text {
        font-size: 2.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }
    
    .hero-image {
        height: 250px;
        max-width: 350px;
        margin: 0 auto;
    }
    
    .evo-grand {
        max-width: 300px;
        height: auto;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .dealers-grid,
    .products-grid {
        grid-template-columns: 1fr;
    }

    .dealer-card {
        padding: 20px;
        margin-bottom: 20px;
    }

    .dealer-header {
        margin-bottom: 15px;
    }

    .dealer-name {
        font-size: 1.2rem;
        line-height: 1.3;
    }

    .dealer-info {
        margin-bottom: 15px;
    }

    .dealer-info p {
        font-size: 14px;
        margin-bottom: 6px;
    }

    .dealer-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
        margin-top: 15px;
    }

    .dealer-actions .btn-small {
        padding: 10px 8px;
        font-size: 12px;
        text-align: center;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
        min-height: 40px;
    }

    .dealer-actions .btn-small i {
        font-size: 11px;
        flex-shrink: 0;
    }

    /* Stack buttons vertically on very small screens */
     @media (max-width: 480px) {
         .dealer-actions {
             grid-template-columns: 1fr;
             gap: 6px;
         }
         
         .dealer-actions .btn-small {
             padding: 12px 16px;
             font-size: 13px;
             min-height: 44px;
         }

         .hero-content {
              gap: 50px;
              padding: 30px 10px;
          }
          
          .hero-right {
              margin-bottom: 30px;
          }
         
         .hero-title {
             font-size: 1.8rem;
         }
         
         .brand-name {
              font-size: 1.8rem;
              margin-bottom: 6px;
          }
          
          .tagline {
              font-size: 1.1rem;
          }

         .hero-title .gradient-text {
             font-size: 1.8rem;
         }

         .hero-description {
             font-size: 0.9rem;
             line-height: 1.5;
         }
         
         .hero-image {
               height: 200px;
               max-width: 280px;
               margin: 0 auto;
           }
           
           .evo-grand {
               max-width: 250px;
               height: auto;
           }
     }

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

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

    .filter-buttons {
        flex-wrap: wrap;
    }

    .search-bar {
        align-items: stretch;
    }

    .search-input {
        max-width: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 13px;
    }

    .dealer-card,
    .product-card {
        margin: 0 10px;
    }

    .contact-form {
        padding: 30px 20px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 15px;
        margin: 20px 0;
    }
    
    .stat-item {
        width: 100%;
        padding: 15px 20px;
    }
    
    .stat-icon {
        width: 45px;
        height: 45px;
        min-width: 45px;
        font-size: 1.3rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .tech-badge {
        font-size: 0.8rem;
        padding: 8px 16px;
        margin-bottom: 15px;
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

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

/* Loading animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #ff6b35, #f7941d);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    box-shadow: 0 8px 20px rgba(247, 148, 29, 0.5);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    visibility: hidden;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: linear-gradient(135deg, #f7941d, #ff6b35);
    transform: translateY(-5px) rotate(360deg);
    box-shadow: 0 12px 30px rgba(247, 148, 29, 0.7);
}

.back-to-top:active {
    transform: translateY(-1px);
}

/* Logo link styling */
.nav-logo a {
    display: block;
    transition: transform 0.3s ease;
}

.nav-logo a:hover {
    transform: scale(1.05);
}