/* ======================================================
   Shine Peak - Eco Tableware B2B Website
   Design reference: foodpackeasy.com
   Professional B2B packaging industry style
   Mobile-First | Conversion-Optimized
   ====================================================== */

/* ===================================
   1. CSS Variables & Theme Colors
   (Inspired by FoodPackEasy)
   =================================== */
:root {
    /* Primary - Dark Teal (Professional B2B) */
    --primary: #1a373d;
    --primary-light: #2a5a63;
    --primary-pale: #e8f0f1;
    
    /* Eco Green */
    --green: #7fad40;
    --green-light: #a8d46a;
    --green-pale: #f0f6e6;
    
    /* CTA Orange */
    --orange: #ea6f00;
    --orange-light: #fe8d3f;
    --orange-dark: #cc6000;
    
    /* Background */
    --bg-white: #FFFFFF;
    --bg-light: #FAFAFA;
    --bg-gray: #f6f6f6;
    --bg-dark: #1a373d;
    
    /* Text */
    --text: #333745;
    --text-dark: #1a1a2e;
    --text-muted: #545454;
    --text-light: #838383;
    
    /* Utility */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-button: 0 4px 12px rgba(234,111,0,0.3);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 50px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Font */
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans SC', 'PingFang SC', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    line-height: 1.7;
    color: var(--text);
    background: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

a:hover {
    color: var(--orange);
}

/* ===================================
   3. Top Bar
   =================================== */
.top-bar {
    background: var(--primary);
    color: #fff;
    padding: 8px 0;
    font-size: 13px;
    display: block;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.top-bar-left .contact-item {
    display: flex;
    align-items: center;
    gap: 5px;
    color: rgba(255,255,255,0.85);
    font-size: 12px;
}

.top-bar-left .contact-item i {
    color: var(--green-light);
    font-size: 12px;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-bar-right a {
    color: rgba(255,255,255,0.65);
    font-size: 14px;
    transition: var(--transition);
}

.top-bar-right a:hover {
    color: var(--green-light);
    transform: translateY(-1px);
}

/* ===================================
   4. Navigation
   =================================== */
.navbar {
    background: #fff;
    padding: 14px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.logo h1 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.logo h1 span {
    color: var(--green);
}

.logo-tagline {
    font-size: 10px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
    margin-top: -2px;
}

/* Desktop Nav */
.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
}

.nav-links a {
    color: var(--text);
    font-weight: 600;
    font-size: 14px;
    padding: 6px 0;
    position: relative;
    transition: var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--green);
    border-radius: 2px;
    transition: width 0.3s;
}

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

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

.nav-links .cta-btn {
    background: var(--orange);
    color: #fff !important;
    padding: 10px 22px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-button);
    font-weight: 700;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links .cta-btn:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(234,111,0,0.4);
    color: #fff !important;
}

.nav-links .cta-btn::after { display: none; }

/* Search Bar */
.nav-search {
    display: flex;
    align-items: center;
    background: var(--bg-gray);
    border-radius: 25px;
    padding: 6px 14px;
    border: 1px solid transparent;
    transition: var(--transition);
}

.nav-search:focus-within {
    border-color: var(--green);
    background: #fff;
}

.nav-search input {
    border: none;
    background: none;
    outline: none;
    font-size: 13px;
    width: 140px;
    color: var(--text);
}

.nav-search button {
    border: none;
    background: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 14px;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Nav Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
    z-index: 998;
}

.nav-overlay.active {
    display: block;
}

/* ===================================
   5. Hero Section
   =================================== */
.hero {
    background: var(--primary);
    color: #fff;
    padding: 80px 0 70px;
    position: relative;
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(127,173,64,0.12) 0%, transparent 60%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(127,173,64,0.2);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--green-light);
    border: 1px solid rgba(127,173,64,0.3);
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.15;
    letter-spacing: -0.5px;
}

.hero-content h1 span {
    color: var(--green-light);
}

.hero-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    opacity: 0.85;
    margin-bottom: 30px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--green-light);
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.75;
    display: block;
    margin-top: 2px;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
}

.btn i { font-size: 15px; }

.btn-primary {
    background: var(--orange);
    color: #fff;
    box-shadow: var(--shadow-button);
}

.btn-primary:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(234,111,0,0.4);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.25);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--green-light);
    transform: translateY(-2px);
    color: #fff;
}

/* ===================================
   6. Trust Bar
   =================================== */
.trust-bar {
    background: #fff;
    padding: 24px 0;
    border-bottom: 1px solid #eee;
}

.trust-bar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12px;
}

.trust-item i {
    color: var(--green);
    font-size: 16px;
}

/* ===================================
   7. Products Section
   =================================== */
.products {
    padding: 80px 0;
    background: var(--bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 44px;
}

.section-header h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.section-header p {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.product-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--green);
}

.product-image {
    height: 200px;
    overflow: hidden;
    position: relative;
    background: var(--bg-gray);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--green);
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.product-info {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.product-info .product-brief {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    line-height: 1.5;
}

.product-features {
    list-style: none;
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: auto;
    padding-bottom: 10px;
}

.product-features li {
    padding: 3px 0 3px 16px;
    position: relative;
}

.product-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
}

.inquire-btn {
    display: block;
    text-align: center;
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    border-radius: 25px;
    font-weight: 600;
    font-size: 13px;
    transition: var(--transition);
    margin-top: 8px;
}

.inquire-btn:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26,55,61,0.25);
    color: #fff;
}

.products-more {
    text-align: center;
    margin-top: 36px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 28px;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 13px;
    transition: var(--transition);
}

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

/* ===================================
   8. Why Choose Us
   =================================== */
.why-choose {
    padding: 80px 0;
    background: #fff;
}

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

.feature-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
    border: 1px solid #eee;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--green);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: var(--green-pale);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--green);
}

.feature-card:hover .feature-icon i {
    color: #fff;
}

.feature-icon i {
    font-size: 1.6rem;
    color: var(--green);
    transition: var(--transition);
}

.feature-card h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* ===================================
   9. Certifications
   =================================== */
.certifications {
    padding: 50px 0;
    background: var(--bg-gray);
}

.cert-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.cert-item {
    text-align: center;
    padding: 16px;
    opacity: 0.7;
    transition: var(--transition);
}

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

.cert-item i {
    font-size: 2rem;
    color: var(--green);
    margin-bottom: 6px;
}

.cert-item span {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-light);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ===================================
   10. Contact Section
   =================================== */
.contact {
    padding: 80px 0;
    background: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    align-items: start;
}

.contact-info-box {
    background: var(--primary);
    color: #fff;
    padding: 44px;
    border-radius: var(--radius-md);
}

.contact-info-box h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 28px;
}

.contact-item {
    display: flex;
    gap: 14px;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 1.2rem;
    color: var(--green-light);
    margin-top: 3px;
    flex-shrink: 0;
    width: 20px;
}

.contact-item div h4 {
    font-size: 0.95rem;
    margin-bottom: 3px;
}

.contact-item div p {
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.5;
}

.contact-form-box {
    background: var(--bg-light);
    padding: 44px;
    border-radius: var(--radius-md);
    border: 1px solid #eee;
}

.contact-form-box h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 22px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 2px solid #e5e5e5;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
    background: #fff;
    font-family: var(--font-body);
    color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(127,173,64,0.1);
}

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

.submit-btn {
    width: 100%;
    padding: 14px;
    background: var(--orange);
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-body);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-button);
}

.submit-btn:hover {
    background: var(--orange-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(234,111,0,0.4);
}

.submit-btn i { font-size: 15px; }

/* ===================================
   11. Footer
   =================================== */
.footer {
    background: var(--primary);
    color: #fff;
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 36px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 18px;
    color: #fff;
}

.footer-section h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.footer-section h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.6;
}

.footer-section p {
    color: rgba(255,255,255,0.5);
    line-height: 1.7;
    font-size: 0.85rem;
}

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

.footer-section ul li {
    margin-bottom: 8px;
}

.footer-section ul a {
    color: rgba(255,255,255,0.45);
    font-size: 0.85rem;
    transition: var(--transition);
}

.footer-section ul a:hover {
    color: var(--green-light);
}

.footer-social {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.footer-social a {
    width: 34px;
    height: 34px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--green);
    color: #fff;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.footer-bottom p {
    color: rgba(255,255,255,0.35);
    font-size: 0.8rem;
}

.footer-bottom-links {
    display: flex;
    gap: 14px;
}

.footer-bottom-links a {
    color: rgba(255,255,255,0.35);
    font-size: 0.8rem;
}

.footer-bottom-links a:hover {
    color: var(--green-light);
}

/* ===================================
   12. Back to Top & WhatsApp Float
   =================================== */
.back-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.back-to-top:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

.floating-whatsapp {
    position: fixed;
    bottom: 78px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    z-index: 999;
    text-decoration: none;
    animation: pulse-whatsapp 2s infinite;
}

.floating-whatsapp:hover {
    background: #128C7E;
    transform: scale(1.1);
    color: #fff;
}

@keyframes pulse-whatsapp {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.4); }
    70% { box-shadow: 0 0 0 12px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ===================================
   13. Responsive - Tablet (≤992px)
   =================================== */
@media (max-width: 992px) {
    .hero { padding: 60px 0; }
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1rem; }
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 2rem; }

    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 2fr 1fr 1fr; }

    .nav-search input { width: 100px; }
}

/* ===================================
   14. Responsive - Mobile (≤768px)
   =================================== */
@media (max-width: 768px) {
    .container { padding: 0 14px; }

    /* Top Bar */
    .top-bar { padding: 6px 0; }
    .top-bar .container { flex-direction: column; gap: 6px; }
    .top-bar-left { gap: 10px; justify-content: center; }
    .top-bar-left .contact-item { font-size: 10px; }
    .top-bar-right a { font-size: 13px; }

    /* Navigation */
    .navbar { padding: 10px 0; }
    .hamburger { display: flex; }
    .logo h1 { font-size: 22px; }
    .logo-tagline { font-size: 9px; }
    .nav-search { display: none; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100%;
        background: #fff;
        flex-direction: column;
        padding: 70px 24px 24px;
        gap: 0;
        box-shadow: -5px 0 30px rgba(0,0,0,0.1);
        transition: right 0.3s;
        z-index: 1000;
        align-items: stretch;
    }

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

    .nav-links li { border-bottom: 1px solid #f0f0f0; }
    .nav-links a {
        display: block;
        padding: 14px 0;
        font-size: 14px;
    }
    .nav-links a::after { display: none; }
    .nav-links .cta-btn {
        margin-top: 14px;
        text-align: center;
        padding: 12px;
        justify-content: center;
    }

    /* Hero */
    .hero { padding: 50px 0; }
    .hero-content h1 { font-size: 1.6rem; }
    .hero-content p { font-size: 0.9rem; }
    .hero-stats { flex-direction: column; gap: 16px; }
    .stat-number { font-size: 1.8rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 260px; justify-content: center; padding: 12px 24px; }
    .trust-bar .container { gap: 12px; }
    .trust-item { font-size: 10px; }

    /* Products */
    .products { padding: 50px 0; }
    .section-header h2 { font-size: 1.5rem; }
    .section-header p { font-size: 0.9rem; }
    .products-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
    .product-image { height: 180px; }

    /* Features */
    .why-choose { padding: 50px 0; }
    .features-grid { grid-template-columns: 1fr; }
    .feature-card { padding: 24px 20px; }

    /* Contact */
    .contact { padding: 50px 0; }
    .contact-info-box { padding: 24px; }
    .contact-form-box { padding: 24px; }
    .form-row { grid-template-columns: 1fr; }

    /* Footer */
    .footer { padding: 40px 0 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    /* Floating buttons */
    .back-to-top { width: 38px; height: 38px; bottom: 16px; right: 16px; font-size: 15px; }
    .floating-whatsapp { width: 38px; height: 38px; bottom: 60px; right: 16px; font-size: 18px; }
}

/* ===================================
   15. Responsive - Small (≤480px)
   =================================== */
@media (max-width: 480px) {
    .hero-content h1 { font-size: 1.35rem; }
    .section-header h2 { font-size: 1.3rem; }
    .top-bar-left { gap: 6px; }
    .products-grid { max-width: 300px; }
}