/* =========================================================================
   MATLINK INTERNATIONAL LLP - STYLE SYSTEM
   ========================================================================= */

/* --- Variables --- */
:root {
    --color-primary:     #1D2F47;   /* Matlink Navy */
    --color-primary-light: #2A405C;
    --color-primary-dark:  #111C2B;
    --color-accent:      #B95538;   /* Matlink Terracotta */
    --color-accent-hover: #9F462D;
    --color-bg:          #F7F5F2;   /* Off-white/cream */
    --color-surface:     #FFFFFF;   /* Cards */
    --color-text:        #1C1C1C;   /* Near-black */
    --color-text-muted:  #6B7280;   /* Secondary text */
    --color-text-white:  #F9FAFB;
    --color-border:      #E5DDD0;   /* Subtle warm border */
    
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'DM Sans', sans-serif;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease-out;
    
    --shadow-sm: 0 2px 4px rgba(26, 58, 74, 0.05);
    --shadow-md: 0 4px 12px rgba(26, 58, 74, 0.08);
    --shadow-lg: 0 12px 24px rgba(26, 58, 74, 0.12);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-surface);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.text-center { text-align: center; }
.text-gold { color: var(--color-accent) !important; }
.text-white { color: var(--color-text-white) !important; }
.text-muted { color: var(--color-text-white); opacity: 0.8; }

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    text-transform: uppercase;
    margin-bottom: 1rem;
    position: relative;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.section-desc {
    max-width: 700px;
    margin: 0 auto 3rem;
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 1rem;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn:active { transform: scale(0.98); }

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text);
    border-color: var(--color-accent);
    font-weight: 600;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-white);
    border-color: rgba(255,255,255,0.5);
}

.btn-ghost:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: var(--color-text-white);
}

/* --- Header & Nav --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--color-surface);
    transition: all var(--transition-normal);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 2px solid var(--color-accent);
}

.header.scrolled {
    padding: 0.75rem 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-primary);
}

.logo-image {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.logo-text {
    display: flex;
    align-items: baseline;
    gap: 0.4rem;
}

.logo-main {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.75rem;
}

.logo-sub {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link:not(.btn-contact-nav)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0%;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-normal);
}

.nav-link:not(.btn-contact-nav):hover {
    color: var(--color-primary);
}

.nav-link:hover:not(.btn-contact-nav)::after {
    width: 100%;
}

.btn-contact-nav {
    background-color: var(--color-primary);
    color: var(--color-surface) !important;
    padding: 0.6rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    transition: all var(--transition-normal);
    border: 2px solid var(--color-primary);
}

.btn-contact-nav:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-surface) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger-menu .bar {
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-normal);
}

.hamburger-menu .bar:nth-child(1) { top: 0; }
.hamburger-menu .bar:nth-child(2) { top: 9px; }
.hamburger-menu .bar:nth-child(3) { top: 18px; }

.hamburger-menu.active .bar { background-color: var(--color-primary); }
.hamburger-menu.active .bar:nth-child(1) { top: 9px; transform: rotate(45deg); }
.hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
.hamburger-menu.active .bar:nth-child(3) { top: 9px; transform: rotate(-45deg); }

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    background-image: url('assets/hero_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    padding-top: 6rem;
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to right, rgba(29, 47, 71, 0.95) 0%, rgba(29, 47, 71, 0.5) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 1000px;
}

.hero-title {
    font-size: clamp(3.5rem, 6vw, 5.5rem);
    color: var(--color-surface);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 3.5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
    font-weight: 400;
}

.hero-ctas {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-ctas .btn {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.trust-indicators {
    display: inline-flex;
    gap: 1.5rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-surface);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 0.85rem 2.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.trust-item svg {
    color: var(--color-accent);
}

.trust-separator {
    color: rgba(255, 255, 255, 0.2);
}

/* --- About Section --- */
.about {
    background-color: var(--color-bg);
    position: relative;
    overflow: hidden;
    padding: 6rem 0; /* Enhance breathing room */
}

/* Subtle data/world map nodes geometric background */
.about::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 60%;
    height: 120%;
    background-image: radial-gradient(var(--color-primary-dark) 2px, transparent 2px);
    background-size: 36px 36px;
    opacity: 0.04;
    z-index: 0;
    transform: rotate(-15deg);
    pointer-events: none;
}

.about > .container {
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-visual {
    position: relative;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--color-surface);
}

.about-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    object-fit: cover;
}

.floating-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    background-color: var(--color-surface);
    padding: 1rem 1.75rem;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1rem;
    border-left: 4px solid var(--color-accent);
    white-space: nowrap;
    z-index: 10;
}

.badge-icon {
    color: var(--color-accent);
    background-color: rgba(185, 85, 56, 0.1);
    padding: 0.75rem;
    border-radius: 50%;
    display: flex;
}

.badge-text {
    display: flex;
    flex-direction: column;
}

.badge-text strong {
    font-size: 1.5rem;
    color: var(--color-primary);
    line-height: 1;
}

.badge-text span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.about-lead {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.about-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2.5rem;
}

.about-features li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.about-features li svg {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.about-features strong {
    color: var(--color-primary);
}

.stat-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-surface); /* Lifted to pure white */
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-top: 2.5rem;
    border-bottom: 4px solid var(--color-accent); /* Anchoring accent line */
}

.stat-item {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.stat-item strong {
    display: block;
    font-size: 2.25rem;
    color: var(--color-primary);
    font-family: var(--font-heading);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.stat-divider {
    width: 2px;
    height: 3rem;
    background-color: var(--color-border);
}

/* --- Products Section --- */
.products {
    background-color: var(--color-primary-dark);
    background-image: url('assets/products_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.products::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Moody gradient to dim the background and ensure white text readability */
    background: linear-gradient(135deg, rgba(17, 28, 43, 0.95) 0%, rgba(29, 47, 71, 0.85) 100%);
    z-index: 1;
}

.products .container {
    position: relative;
    z-index: 2;
}

.text-gold {
    color: var(--color-accent) !important;
}

.text-white {
    color: var(--color-surface) !important;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
    margin-bottom: 2rem;
}

@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}

.products-footer {
    text-align: center;
    margin-top: 4rem;
}

.products-footer p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.98);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    transition: all var(--transition-normal);
    border-top: 4px solid transparent;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.8);
    border-top-color: var(--color-accent);
}

.product-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(200, 146, 42, 0.1);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all var(--transition-fast);
}

.product-card:hover .product-icon {
    background-color: var(--color-accent);
    color: var(--color-surface);
}

.product-title {
    font-family: var(--font-body);
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
}

.product-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0;
    flex-grow: 1;
}

.products-footer {
    text-align: center;
    padding-top: 3rem;
    border-top: 1px solid var(--color-border);
}

/* --- Why Choose Us Section --- */
.why-us {
    background-image: url('assets/whyus_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    padding-top: 6rem;
    padding-bottom: 6rem;
    z-index: 1;
}

.why-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    /* Reduced opacity and blur to ensure the generated background image is fully visible */
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.6) 0%, rgba(247, 245, 242, 0.2) 100%);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    z-index: -1;
}

.usp-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .usp-grid {
        grid-template-columns: 1fr;
    }
}

.usp-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 8px 32px rgba(0,0,0,0.05);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.usp-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 45px rgba(0,0,0,0.1);
    background: rgba(255, 255, 255, 1);
    border-color: var(--color-accent);
}

.usp-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-surface);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(29, 47, 71, 0.3);
}

.usp-title {
    font-family: var(--font-body);
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.usp-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Contact Section --- */
.contact {
    background-color: var(--color-primary-dark);
    background-image: url('assets/contact_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    color: var(--color-surface);
}

.contact::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(17, 28, 43, 0.92) 0%, rgba(29, 47, 71, 0.82) 100%);
    z-index: 1;
}

.contact .container {
    position: relative;
    z-index: 2;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
}

.contact-info {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.contact-item strong {
    display: block;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.contact-item a, .contact-item span {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--color-accent);
}

.contact-note {
    margin-top: 1rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

.contact-form-wrapper {
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    padding: 3.5rem;
    color: var(--color-text);
    box-shadow: 0 15px 40px rgba(0,0,0,0.4);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.enquiry-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-surface);
    transition: border-color var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9CA3AF;
}

.btn-submit {
    width: 100%;
    background-color: var(--color-accent);
    color: var(--color-text);
    font-size: 1rem;
    padding: 1rem;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-loader {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-text);
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    animation: rotation 1s linear infinite;
}

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

.form-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 4px;
    display: none;
    font-size: 0.9rem;
    text-align: center;
}
.form-message.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10B981;
    border: 1px solid #10B981;
}
.form-message.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: #EF4444;
    border: 1px solid #EF4444;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-text-white);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-logo {
    display: inline-flex;
    margin-bottom: 1rem;
}

.footer-logo .logo-image {
    background-color: var(--color-surface);
    padding: 0.25rem;
    border-radius: 4px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-white);
}

.social-link:hover {
    background-color: var(--color-accent);
    color: var(--color-primary-dark);
}

.footer-heading {
    font-family: var(--font-body);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--color-text-white);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.6);
}

.footer-nav a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 0.5rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.875rem;
}

/* --- Floating Elements --- */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.back-to-top {
    position: fixed;
    bottom: 6.5rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-md);
    z-index: 999;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* --- Responsive Layouts --- */
@media (max-width: 992px) {
    .hero-title { font-size: 3rem; }
    .about-grid, .contact-grid, .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .about-visual { padding: 2rem; }
}

@media (max-width: 768px) {
    .section { padding: 4rem 0; }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--color-surface);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        box-shadow: -5px 0 15px rgba(0,0,0,0.1);
        transition: right 0.4s ease-in-out;
        z-index: 1000;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-link {
        color: var(--color-text);
        font-size: 1.25rem;
    }
    
    .btn-ghost-nav {
        color: var(--color-primary);
        border-color: var(--color-primary);
    }
    
    .hamburger-menu { display: block; }
    
    .hero-title { font-size: 2.5rem; }
    .usp-grid { grid-template-columns: 1fr; }
    .product-grid { grid-template-columns: 1fr 1fr; }
    .enquiry-form .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .product-grid { grid-template-columns: 1fr; }
    .hero-ctas { flex-direction: column; width: 100%; }
    .btn { width: 100%; }
    .floating-whatsapp {
        width: 50px; height: 50px;
        bottom: 1.5rem; right: 1.5rem;
    }
    .back-to-top {
        width: 40px; height: 40px;
        bottom: 5.5rem; right: 1.5rem;
    }
}