/* ==========================================
   Rayson Electronics - Electronic Recycling Website
   ========================================== */

:root {
    --primary-color: #2e7d32;
    --primary-dark: #1b5e20;
    --primary-light: #4caf50;
    --secondary-color: #1565c0;
    --accent-color: #ff9800;
    --text-dark: #212121;
    --text-light: #757575;
    --text-white: #ffffff;
    --bg-light: #f5f5f5;
    --bg-dark: #263238;
    --border-color: #e0e0e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--text-white);
}

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

ul {
    list-style: none;
}

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

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

/* Header & Navigation */
header {
    background: var(--text-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    text-decoration: none;
    transition: opacity 0.3s;
}

.logo a:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon i {
    color: white;
    font-size: 24px;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
}

.logo-text span {
    color: var(--secondary-color);
}

nav ul {
    display: flex;
    gap: 30px;
}

nav ul li a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

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

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary-color);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 600;
}

.header-phone i {
    font-size: 18px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(46, 125, 50, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-white {
    background: var(--text-white);
    color: var(--primary-color);
}

.btn-white:hover {
    background: var(--bg-light);
    transform: translateY(-2px);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(46, 125, 50, 0.9), rgba(21, 101, 192, 0.9)),
                url('images/hero-bg.jpg') center/cover no-repeat;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    background-size: 100px 100px;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0deg); }
    100% { transform: translateY(-100px) rotate(360deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text h1 {
    font-size: 48px;
    color: var(--text-white);
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-text h1 span {
    color: var(--accent-color);
}

.hero-text p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* Section Styles */
section {
    padding: 80px 0;
}

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

.section-header h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-header p {
    color: var(--text-light);
    font-size: 18px;
    max-width: 600px;
    margin: 20px auto 0;
}

/* Services Section */
.services {
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--text-white);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.service-icon i {
    font-size: 36px;
    color: var(--text-white);
}

.service-card h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-card .btn {
    padding: 10px 25px;
    font-size: 14px;
}

/* Why Choose Us */
.why-choose {
    background: linear-gradient(135deg, var(--bg-dark), #37474f);
    color: var(--text-white);
}

.why-choose .section-header h2 {
    color: var(--text-white);
}

.why-choose .section-header p {
    color: rgba(255, 255, 255, 0.7);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.feature-icon i {
    font-size: 30px;
    color: var(--text-white);
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

/* Process Section */
.process-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-top: 60px;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.process-step {
    text-align: center;
    position: relative;
    flex: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
    position: relative;
    z-index: 1;
    box-shadow: 0 5px 20px rgba(46, 125, 50, 0.3);
}

.process-step h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.process-step p {
    color: var(--text-light);
    font-size: 14px;
    max-width: 150px;
    margin: 0 auto;
}

/* Industries Section */
.industries {
    background: var(--bg-light);
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.industry-card {
    background: var(--text-white);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.industry-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.industry-card:hover .industry-icon {
    background: var(--primary-color);
}

.industry-card:hover .industry-icon i {
    color: var(--text-white);
}

.industry-icon {
    width: 70px;
    height: 70px;
    background: rgba(46, 125, 50, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}

.industry-icon i {
    font-size: 28px;
    color: var(--primary-color);
    transition: var(--transition);
}

.industry-card h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.industry-card p {
    color: var(--text-light);
    font-size: 14px;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 36px;
    color: var(--text-white);
    margin-bottom: 20px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

/* Certifications */
.certifications {
    background: var(--text-white);
    padding: 60px 0;
}

.cert-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.cert-item {
    text-align: center;
}

.cert-item img {
    height: 80px;
    opacity: 0.7;
    transition: var(--transition);
}

.cert-item:hover img {
    opacity: 1;
}

.cert-item p {
    margin-top: 10px;
    color: var(--text-light);
    font-size: 14px;
}

/* Contact Section */
.contact-section {
    background: var(--bg-light);
}

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

.contact-info h3 {
    font-size: 28px;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 30px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 20px;
    color: var(--text-white);
}

.info-content h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.info-content p {
    color: var(--text-light);
}

.contact-form-wrapper {
    background: var(--text-white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow);
}

.contact-form h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 25px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 16px;
    transition: var(--transition);
    font-family: inherit;
}

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

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form .btn {
    width: 100%;
    padding: 15px;
    font-size: 16px;
}

/* About Section */
.about-section {
    padding: 80px 0;
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.about-image-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--text-white);
    padding: 20px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
}

.about-image-badge .number {
    font-size: 36px;
    font-weight: 700;
    display: block;
}

.about-image-badge span {
    font-size: 14px;
}

.about-content h2 {
    font-size: 36px;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.about-content > p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-feature i {
    color: var(--primary-color);
    font-size: 20px;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, rgba(46, 125, 50, 0.95), rgba(21, 101, 192, 0.95)),
                url('images/page-header-bg.jpg') center/cover no-repeat;
    padding: 150px 0 80px;
    text-align: center;
    margin-top: 80px;
}

.page-header h1 {
    font-size: 42px;
    color: var(--text-white);
    margin-bottom: 15px;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
    color: var(--text-white);
}

/* Services Detail Page */
.services-detail {
    padding: 80px 0;
}

.service-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.service-detail-card {
    background: var(--text-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-detail-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-detail-image {
    height: 200px;
    overflow: hidden;
}

.service-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-detail-card:hover .service-detail-image img {
    transform: scale(1.05);
}

.service-detail-content {
    padding: 30px;
}

.service-detail-content h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.service-detail-content p {
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-detail-content ul {
    margin-bottom: 20px;
}

.service-detail-content ul li {
    padding: 8px 0;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-detail-content ul li i {
    color: var(--primary-color);
}

/* Logistics Flow */
.logistics-flow {
    background: var(--bg-light);
    padding: 80px 0;
}

.flow-diagram {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.flow-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    position: relative;
}

.flow-step::after {
    content: '\f061';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    right: -25px;
    top: 30px;
    color: var(--primary-color);
    font-size: 20px;
}

.flow-step:last-child::after {
    display: none;
}

.flow-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.flow-icon i {
    font-size: 32px;
    color: var(--text-white);
}

.flow-step h4 {
    font-size: 16px;
    color: var(--text-dark);
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--text-white);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-dark);
}

.faq-question i {
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 25px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Map Section */
.map-section {
    height: 400px;
}

.map-section iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-about .logo {
    margin-bottom: 20px;
}

.footer-about .logo a {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-about .logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
}

.footer-about .logo-text span {
    color: var(--primary-light);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 25px;
    color: var(--text-white);
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: rgba(255, 255, 255, 0.7);
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-column ul li a:hover {
    color: var(--primary-light);
}

.footer-column ul li a i {
    color: var(--primary-light);
}

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
}

.footer-bottom a {
    color: var(--primary-light);
}

.footer-bottom a:hover {
    color: var(--text-white);
}

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

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

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

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

    .hero-image {
        display: none;
    }

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

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

@media (max-width: 768px) {
    .header-container {
        flex-wrap: wrap;
    }

    nav {
        display: none;
        width: 100%;
        padding: 20px 0;
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        gap: 15px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .hero-text h1 {
        font-size: 32px;
    }

    .services-grid,
    .features-grid,
    .service-detail-grid {
        grid-template-columns: 1fr;
    }

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

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

    .process-steps {
        flex-direction: column;
        gap: 30px;
    }

    .process-steps::before {
        display: none;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .flow-diagram {
        flex-direction: column;
    }

    .flow-step::after {
        display: none;
    }

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

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 28px;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .cta-buttons {
        flex-direction: column;
    }
}