/* ==========================================================================
   Steris Pharmaceuticals - Global Stylesheet
   ========================================================================== */

/* --- CSS Variables --- */
:root {
    /* Brand Colors */
    --color-primary: #0066B3;
    /* Pharmaceutical Blue */
    --color-primary-dark: #004d88;
    --color-primary-light: #e6f0f8;
    --color-secondary: #7AC943;
    /* Lime Green */
    --color-secondary-dark: #5ea330;
    --color-white: #FFFFFF;
    --color-black: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066B3 0%, #004d88 100%);
    --gradient-accent: linear-gradient(135deg, #7AC943 0%, #5ea330 100%);

    /* Neutrals */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-500: #6b7280;
    --color-gray-700: #374151;
    --color-gray-900: #111827;

    /* Typography */
    --font-primary: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius & Shadows */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: 1px solid rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(0, 102, 179, 0.1);

    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--color-gray-700);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-gray-900);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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

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

ul {
    list-style: none;
}

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

/* --- Utility Classes --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.bg-light {
    background-color: var(--color-gray-50);
}

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

.mb-4 {
    margin-bottom: var(--spacing-md);
}

.mb-5 {
    margin-bottom: var(--spacing-lg);
}

.mt-5 {
    margin-top: var(--spacing-lg);
}

.ml-2 {
    margin-left: var(--spacing-xs);
}

/* Typography Utils */
.section-header {
    margin-bottom: var(--spacing-lg);
}

.section-header .subtitle {
    display: inline-block;
    color: var(--color-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--color-primary-dark);
}

.lead {
    font-size: 1.25rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    font-family: var(--font-primary);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(0, 102, 179, 0.39);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(122, 201, 67, 0.39);
}

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

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

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-normal);
    padding: var(--spacing-md) 0;
    background-color: transparent;
}

.header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--spacing-sm) 0;
    box-shadow: var(--shadow-sm);
    border-bottom: var(--glass-border);
}

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

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

.logo-img {
    max-height: 50px;
    width: auto;
    object-fit: contain;
    border-radius: 4px;
    background-color: var(--color-white);
    padding: 2px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-text small {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 2px;
    color: var(--color-gray-500);
}

.header.scrolled .logo-text {
    color: var(--color-primary);
}

/* Modify text colors based on scroll */
.header:not(.scrolled) .nav-link:not(.btn) {
    color: var(--color-white);
}

.header:not(.scrolled) .logo-text,
.header:not(.scrolled) .logo-text small {
    color: var(--color-white);
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-700);
    position: relative;
}

.nav-link:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-fast);
}

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

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-primary);
}

.header:not(.scrolled) .mobile-toggle {
    color: var(--color-white);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    min-height: 600px;
    background-image: url('../images/Factory.jpeg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(0, 77, 136, 0.9) 0%, rgba(0, 102, 179, 0.7) 50%, rgba(0, 0, 0, 0.4) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    width: 100%;
}

.hero-text {
    max-width: 700px;
    color: var(--color-white);
}

.hero .tagline {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(122, 201, 67, 0.2);
    border: 1px solid var(--color-secondary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.hero .headline {
    font-size: 3.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.hero .subheadline {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* --- About Section --- */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-card {
    padding: var(--spacing-sm);
    border-left: 3px solid var(--color-secondary);
    background-color: var(--color-gray-50);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    transition: transform var(--transition-fast);
}

.value-card:hover {
    transform: translateX(5px);
    background-color: var(--color-primary-light);
}

.value-card i {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.about-image {
    position: relative;
}

.rounded-image {
    border-radius: var(--radius-lg);
}

.shadow {
    box-shadow: var(--shadow-xl);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 3px solid var(--color-white);
}

.experience-badge .years {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
}

.experience-badge .text {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* --- Features Section --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--color-white);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
    border-bottom: 4px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-bottom-color: var(--color-secondary);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all var(--transition-normal);
}

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

/* --- Stats Section --- */
.stats-section {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    display: inline-block;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
}

.stat-plus {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-secondary);
    vertical-align: top;
}

.stat-icon {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-secondary);
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 500;
    margin-top: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Products Section --- */
.product-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    color: var(--color-white);
}

.product-search-container {
    max-width: 400px;
    margin: 0 auto var(--spacing-lg);
    position: relative;
}

.product-search-container input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.product-search-container input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-gray-500);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

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

.product-img {
    position: relative;
    height: 250px;
    background-color: var(--color-gray-50);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.product-img img {
    max-height: 100%;
    object-fit: contain;
    mix-blend-mode: multiply;
}

.category-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-white);
}

.category-badge.nutri {
    background-color: var(--color-secondary);
}

.category-badge.pharma {
    background-color: var(--color-primary);
}

.product-info {
    padding: var(--spacing-md);
}

.product-info h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.product-info p {
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* --- Facility & Certifications --- */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.cert-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.cert-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.facility-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 300px;
}

.facility-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform var(--transition-slow);
}

.facility-item:hover .facility-img {
    transform: scale(1.1);
}

.facility-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    color: var(--color-white);
}

.facility-content h4 {
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.facility-content p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* --- Contact Section --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.icon-box {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.method-details h4 {
    margin-bottom: 0.25rem;
}

.method-details p,
.method-details a {
    color: var(--color-gray-500);
}

.method-details a:hover {
    color: var(--color-primary);
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

textarea.form-control {
    resize: vertical;
}

.map-placeholder {
    width: 100%;
    height: 400px;
    background-color: var(--color-gray-200);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    text-align: center;
}

.map-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-gray-400);
}

/* --- Footer --- */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-logo .logo-text,
.footer-logo .logo-text small {
    color: var(--color-white);
}

.footer-desc {
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
}

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

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

.social-icon:hover {
    background-color: var(--color-secondary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-newsletter h4 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-links h4::after,
.footer-newsletter h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-secondary);
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-gray-300);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--color-secondary);
    padding-left: 5px;
}

.footer-newsletter p {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-family: inherit;
}

.newsletter-form button {
    padding: 0.75rem 1rem;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.newsletter-form button:hover {
    background-color: var(--color-secondary);
}

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

/* --- Animations --- */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.is-visible {
    opacity: 1;
    transform: translate(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

.delay-4 {
    transition-delay: 0.4s;
}

.delay-5 {
    transition-delay: 0.5s;
}

.delay-6 {
    transition-delay: 0.6s;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {

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

    .hero .headline {
        font-size: 2.8rem;
    }

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

@media (max-width: 768px) {
    .nav-list {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-white);
        flex-direction: column;
        gap: 0;
        box-shadow: var(--shadow-md);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }

    .nav-list.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }

    .nav-link {
        display: block;
        padding: 1rem;
        text-align: center;
        border-bottom: 1px solid var(--color-gray-100);
        color: var(--color-gray-900) !important;
    }

    .nav-link.btn {
        margin: 1rem;
        display: inline-block;
    }

    .mobile-toggle {
        display: block;
    }

    .hero .headline {
        font-size: 2.2rem;
    }

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

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