/* ============================================
   R.V. EXPORTS LTD — STYLE SYSTEM
   Agricultural Commodity Exporter | Tanzania
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors */
    --color-bg: #FAF7F2;
    --color-bg-alt: #F0EBE3;
    --color-dark: #2C1810;
    --color-primary: #8B6914;
    --color-primary-dark: #6B5010;
    --color-green: #2E7D32;
    --color-green-light: #E8F5E9;
    --color-text: #1A1A1A;
    --color-text-secondary: #6B6460;
    --color-white: #FFFFFF;
    --color-border: #E0D8CF;
    --color-overlay: rgba(44, 24, 16, 0.7);
    --color-whatsapp: #25D366;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    /* Spacing */
    --nav-height: 80px;
    --section-padding: 100px 0;
    --container-width: 1200px;
    --container-padding: 0 24px;

    /* Transitions */
    --transition: 0.3s ease;
    --transition-slow: 0.6s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

ul {
    list-style: none;
}

section {
    scroll-margin-top: 80px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--container-padding);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    line-height: 1.2;
    font-weight: 700;
}

h1 {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 16px;
}

h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
    color: var(--color-text-secondary);
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header p {
    font-size: 1.05rem;
}

/* --- Fade-in Animation --- */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: background-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
    background-color: var(--color-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-inner {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    transition: color var(--transition);
}

.nav.scrolled .nav-logo {
    color: var(--color-dark);
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 0.3px;
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
}

.nav.scrolled .nav-links a {
    color: var(--color-text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-white);
}

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

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

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

.nav-cta {
    display: inline-block;
    padding: 10px 24px;
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.3px;
    transition: background-color var(--transition), transform var(--transition);
}

.nav-cta:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

.nav-cta::after {
    display: none !important;
}

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

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition);
}

.nav.scrolled .hamburger span {
    background-color: var(--color-dark);
}

.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 {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(44, 24, 16, 0.8) 0%, rgba(44, 24, 16, 0.5) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    padding-top: var(--nav-height);
}

.hero h1 {
    color: var(--color-white);
    max-width: 700px;
    margin-bottom: 20px;
}

.hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.15rem;
    max-width: 560px;
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(139, 105, 20, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
    border-color: var(--color-white);
}

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

.btn-outline-dark:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
    border-color: var(--color-dark);
}

/* --- Sub-page Hero --- */
.hero-sub {
    position: relative;
    min-height: 50vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-sub .hero-content {
    text-align: center;
    width: 100%;
}

.hero-sub h1 {
    color: var(--color-white);
    margin-bottom: 16px;
}

.hero-sub p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.1rem;
}

/* --- Trust Strip --- */
.trust-strip {
    background-color: var(--color-dark);
    padding: 32px 0;
}

.trust-items {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.9);
}

.trust-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: rgba(139, 105, 20, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
}

.trust-text strong {
    display: block;
    font-size: 1.2rem;
    font-family: var(--font-heading);
    color: var(--color-white);
}

.trust-text span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* --- Intro / About Section --- */
.intro {
    padding: var(--section-padding);
}

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

.intro-image {
    border-radius: 12px;
    overflow: hidden;
    position: relative;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
}

.intro-image-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 16px 24px;
    border-radius: 8px;
    text-align: center;
}

.intro-image-badge strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
}

.intro-image-badge span {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.intro-text h2 {
    margin-bottom: 20px;
}

.intro-text p {
    margin-bottom: 16px;
    font-size: 1.02rem;
}

.intro-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 24px;
}

.intro-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--color-text);
}

.intro-feature svg {
    width: 20px;
    height: 20px;
    fill: var(--color-green);
    flex-shrink: 0;
}

/* --- Products / Services Cards --- */
.products {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

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

.product-card {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid var(--color-border);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.product-card-image {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--color-bg-alt);
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-card h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.product-card p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* Full product page cards (larger) */
.product-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.product-detail-card {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 40px;
    display: flex;
    gap: 32px;
    align-items: flex-start;
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.product-detail-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.product-detail-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
    border: 3px solid var(--color-bg-alt);
}

.product-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-detail-info h3 {
    margin-bottom: 12px;
}

.product-detail-info p {
    font-size: 0.92rem;
    margin-bottom: 12px;
}

.product-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.spec-tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    padding: 4px 12px;
    background-color: var(--color-bg-alt);
    color: var(--color-text-secondary);
    border-radius: 20px;
}

/* --- Certifications / Badges --- */
.certifications {
    padding: var(--section-padding);
}

.cert-grid {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}

.cert-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.cert-badge:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(139, 105, 20, 0.1);
}

.cert-badge svg {
    width: 32px;
    height: 32px;
    fill: var(--color-primary);
    margin-bottom: 12px;
}

.cert-badge strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.cert-badge span {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.3;
}

/* --- Testimonial --- */
.testimonial {
    padding: var(--section-padding);
    background-color: var(--color-dark);
    color: var(--color-white);
}

.testimonial-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-quote {
    font-family: var(--font-heading);
    font-size: clamp(1.3rem, 3vw, 1.8rem);
    font-style: italic;
    color: var(--color-white);
    margin-bottom: 24px;
    line-height: 1.5;
    position: relative;
}

.testimonial-quote::before {
    content: '\201C';
    font-size: 4rem;
    color: var(--color-primary);
    font-family: var(--font-heading);
    display: block;
    margin-bottom: -16px;
    line-height: 1;
}

.testimonial-author {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

.testimonial-author strong {
    color: var(--color-primary);
}

/* --- CTA Section --- */
.cta-section {
    padding: var(--section-padding);
    text-align: center;
    background-color: var(--color-bg-alt);
}

.cta-section h2 {
    margin-bottom: 16px;
}

.cta-section p {
    max-width: 600px;
    margin: 0 auto 32px;
    font-size: 1.05rem;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Why Choose Us --- */
.why-us {
    padding: var(--section-padding);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.why-card {
    padding: 40px 32px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    text-align: center;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.why-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.why-card-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.why-card-icon svg {
    width: 28px;
    height: 28px;
    fill: var(--color-primary);
}

.why-card p {
    font-size: 0.92rem;
}

/* --- Timeline --- */
.timeline {
    padding: var(--section-padding);
    background-color: var(--color-bg-alt);
}

.timeline-list {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--color-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -30px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--color-primary);
    border: 3px solid var(--color-bg-alt);
}

.timeline-year {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.timeline-item p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* --- Values Grid --- */
.values {
    padding: var(--section-padding);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 800px;
    margin: 0 auto;
}

.value-card {
    display: flex;
    gap: 16px;
    padding: 24px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    align-items: flex-start;
}

.value-card svg {
    width: 24px;
    height: 24px;
    fill: var(--color-green);
    flex-shrink: 0;
    margin-top: 2px;
}

.value-card h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.value-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* --- Contact Page --- */
.contact-section {
    padding: var(--section-padding);
}

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

.contact-info-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 32px;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
}

.contact-info-text h3 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.contact-info-text p {
    font-size: 0.92rem;
    margin-bottom: 0;
}

.contact-info-text a {
    color: var(--color-primary);
    font-weight: 500;
}

.contact-form {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

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

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(139, 105, 20, 0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

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

.form-submit {
    width: 100%;
    padding: 14px 32px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color var(--transition);
}

.form-submit:hover {
    background-color: var(--color-primary-dark);
}

.form-success {
    display: none;
    text-align: center;
    padding: 24px;
    background-color: var(--color-green-light);
    border-radius: 8px;
    color: var(--color-green);
    font-weight: 500;
}

/* Map */
.map-section {
    padding: 0;
}

.map-section iframe {
    width: 100%;
    height: 400px;
    border: none;
    display: block;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin-top: 16px;
    max-width: 300px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 20px;
    font-family: var(--font-body);
    font-weight: 600;
}

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

.footer ul a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.88rem;
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}

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

/* --- WhatsApp Float --- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-whatsapp);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: var(--color-white);
}

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

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

.back-to-top:hover {
    background-color: var(--color-primary);
}

.back-to-top svg {
    width: 18px;
    height: 18px;
    fill: var(--color-white);
}

/* --- Sticky Mobile Enquiry Bar --- */
.mobile-enquiry-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 997;
    background-color: var(--color-white);
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.1);
    padding: 10px 16px;
}

.mobile-enquiry-bar-inner {
    display: flex;
    gap: 10px;
}

.mobile-enquiry-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-body);
    text-align: center;
    border: none;
    cursor: pointer;
    text-decoration: none;
}

.mobile-enquiry-btn.whatsapp {
    background-color: var(--color-whatsapp);
    color: var(--color-white);
}

.mobile-enquiry-btn.enquire {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.mobile-enquiry-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* --- Products Page Specific --- */
.product-hero-strip {
    background-color: var(--color-bg-alt);
    padding: 40px 0;
    text-align: center;
}

.product-categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.category-tag {
    display: inline-block;
    padding: 8px 20px;
    border: 1px solid var(--color-border);
    border-radius: 24px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: all var(--transition);
}

.category-tag:hover,
.category-tag.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* --- How We Work --- */
.process {
    padding: var(--section-padding);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

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

.process-step::after {
    content: '';
    position: absolute;
    top: 32px;
    right: -16px;
    width: 32px;
    height: 2px;
    background-color: var(--color-border);
}

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

.process-number {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--color-bg-alt);
    border: 2px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.process-step h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.88rem;
}

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

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

    .why-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    /* Mobile nav */
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        padding: 100px 32px 32px;
        gap: 0;
        box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
        transition: right var(--transition);
        align-items: flex-start;
    }

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

    .nav-links a {
        color: var(--color-text) !important;
        font-size: 1rem;
        padding: 12px 0;
        width: 100%;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links a:hover,
    .nav-links a.active {
        color: var(--color-primary) !important;
    }

    .nav-cta {
        margin-top: 16px;
        text-align: center;
        width: 100%;
    }

    .hamburger {
        display: flex;
    }

    /* Hero */
    .hero {
        min-height: 90vh;
    }

    .hero-sub {
        min-height: 40vh;
    }

    /* Grids */
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .intro-image {
        order: -1;
    }

    .intro-features {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .product-detail-grid {
        grid-template-columns: 1fr;
    }

    .product-detail-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px;
    }

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

    .contact-form {
        padding: 24px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .trust-items {
        gap: 24px;
    }

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

    .process-grid {
        grid-template-columns: 1fr;
        max-width: 300px;
        margin: 0 auto;
    }

    /* Mobile enquiry bar */
    .mobile-enquiry-bar {
        display: block;
    }

    .whatsapp-float {
        bottom: 80px;
    }

    .back-to-top {
        bottom: 80px;
    }

    /* Cert badges */
    .cert-badge {
        width: 140px;
        height: 140px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }

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

    .hero-buttons .btn {
        width: 100%;
    }

    .trust-items {
        flex-direction: column;
        align-items: flex-start;
        padding: 0 24px;
    }

    .product-card {
        padding: 24px 16px;
    }
}