/* ============================================================================
   KOHENOOR INTERNATIONAL - MAIN STYLESHEET
   Modern, SEO/AEO-Optimized Homepage
   ========================================================================== */

/* ============================================================================
   ROOT & CSS CUSTOM PROPERTIES
   ========================================================================== */

:root {
    /* Brand Colors */
    --primary-green: #2d5016;
    --primary-green-light: #3d6b1f;
    --primary-green-dark: #1a3009;
    --accent-gold: #c59d4a;
    --accent-gold-light: #d4ae57;

    /* Neutral Colors */
    --text-dark: #1a1a1a;
    --text-light: #f9f9f9;
    --text-gray: #666666;
    --text-gray-light: #999999;
    --bg-light: #f5f5f5;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 48px;

    /* Line Heights */
    --line-height-tight: 1.3;
    --line-height-base: 1.5;
    --line-height-relaxed: 1.75;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 1000;
    --z-floating: 999;
}

/* ============================================================================
   RESET & GLOBAL STYLES
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-dark);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-4xl);
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

h5, h6 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

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

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

/* ============================================================================
   ACCESSIBILITY
   ========================================================================== */

.skip-to-main {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-green);
    color: var(--text-light);
    padding: var(--spacing-md);
    text-decoration: none;
    z-index: var(--z-modal);
    border-radius: 0 0 var(--radius-lg) 0;
}

.skip-to-main:focus {
    top: 0;
}

/* ============================================================================
   LAYOUT & CONTAINERS
   ========================================================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

/* ============================================================================
   TOP BAR
   ========================================================================== */

.top-bar {
    background-color: var(--primary-green);
    color: var(--text-light);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
}

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

.top-bar-left {
    display: flex;
    gap: var(--spacing-xl);
}

.contact-item {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-item a {
    color: var(--text-light);
}

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

.status-badge {
    background-color: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
}

@media (max-width: 768px) {
    .top-bar-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .top-bar-left {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ============================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.header {
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    transition: box-shadow var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    flex-shrink: 0;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.logo-tagline {
    font-size: var(--font-size-sm);
    color: var(--text-gray-light);
    font-weight: 500;
    margin-bottom: 0;
}

/* Navigation Menu */
.navigation {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    transition: color var(--transition-base);
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border: none;
    background: none;
    cursor: pointer;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
}

/* Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    padding: var(--spacing-sm) 0;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    list-style: none;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    margin-top: var(--spacing-md);
}

.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-dark);
    transition: all var(--transition-base);
}

.dropdown-link:hover {
    background-color: var(--bg-light);
    color: var(--primary-green);
    padding-left: var(--spacing-xl);
}

/* Hamburger Menu (Mobile) */
.hamburger-menu {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
}

.hamburger-menu span {
    width: 24px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

@media (max-width: 768px) {
    .hamburger-menu {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--bg-white);
        border-bottom: 1px solid var(--border-color);
        gap: 0;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-20px);
        transition: all var(--transition-base);
        padding: var(--spacing-md);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-link {
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link:last-child {
        border-bottom: none;
    }

    .dropdown-menu {
        position: static;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: all var(--transition-base);
        border: none;
        box-shadow: none;
        margin: 0;
    }

    .dropdown-menu.active {
        opacity: 1;
        visibility: visible;
        max-height: 400px;
        padding: var(--spacing-md) 0;
    }

    .dropdown-link {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) var(--spacing-xl);
    }
}

/* ============================================================================
   HERO SECTION
   ========================================================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--text-light);
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.hero-heading {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-tight);
}

.hero-subtext {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    line-height: var(--line-height-relaxed);
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .hero {
        min-height: 400px;
        padding: var(--spacing-2xl) var(--spacing-lg);
    }

    .hero-heading {
        font-size: var(--font-size-3xl);
    }

    .hero-ctas {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

/* ============================================================================
   BUTTONS & LINKS
   ========================================================================== */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    text-decoration: none;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    cursor: pointer;
    font-family: var(--font-family);
    white-space: nowrap;
}

.cta-primary {
    background-color: var(--accent-gold);
    color: var(--text-dark);
    border-color: var(--accent-gold);
}

.cta-primary:hover {
    background-color: var(--accent-gold-light);
    border-color: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-secondary {
    background-color: transparent;
    color: var(--text-light);
    border-color: var(--text-light);
}

.cta-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-green);
    transform: translateY(-2px);
}

.cta-large {
    padding: var(--spacing-lg) var(--spacing-3xl);
    font-size: var(--font-size-lg);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-green);
    font-weight: 600;
    transition: all var(--transition-base);
}

.product-link:hover {
    color: var(--primary-green-light);
    gap: var(--spacing-md);
}

.learn-more-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-green);
    font-weight: 600;
    transition: all var(--transition-base);
}

.learn-more-btn:hover {
    color: var(--primary-green-light);
    gap: var(--spacing-md);
}

/* ============================================================================
   STATS SECTION
   ========================================================================== */

.stats-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--bg-light);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-2xl);
    text-align: center;
}

.stat-card {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background-color: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--text-gray);
    font-weight: 500;
    margin-bottom: 0;
}

/* ============================================================================
   PRODUCTS SECTION
   ========================================================================== */

.products-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--bg-white);
}

.section-title {
    text-align: center;
    font-size: var(--font-size-3xl);
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--text-gray);
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.product-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

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

.product-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.product-title {
    font-size: var(--font-size-lg);
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.product-description {
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    flex-grow: 1;
}

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

/* ============================================================================
   ABOUT BRIEF SECTION
   ========================================================================== */

.about-brief {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--bg-light);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--text-gray);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-2xl);
}

.certifications {
    background-color: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-2xl);
    border-left: 4px solid var(--primary-green);
}

.certifications h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
}

.certification-items {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.certification-badge {
    background-color: #e8f5e9;
    color: var(--primary-green);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
}

/* ============================================================================
   WHY CHOOSE US SECTION
   ========================================================================== */

.why-choose-us {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--bg-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-2xl);
}

.feature-item {
    background-color: var(--bg-light);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    border: 1px solid transparent;
}

.feature-item:hover {
    background-color: var(--bg-white);
    border-color: var(--primary-green);
    box-shadow: var(--shadow-md);
}

.feature-item h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.feature-item p {
    color: var(--text-gray);
    margin-bottom: 0;
}

/* ======================================================================================
   TESTIMONIALS SECTION
   ========================================================================== */

.testimonials-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
}

.testimonial-card {
    background-color: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border-left: 4px solid var(--primary-green);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--text-dark);
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    line-height: var(--line-height-relaxed);
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-green);
    margin-bottom: var(--spacing-xs);
}

.testimonial-location {
    font-size: var(--font-size-sm);
    color: var(--text-gray);
    margin-bottom: 0;
}

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

/* ============================================================================
   CTA SECTION
   ========================================================================== */

.cta-section {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-light) 100%);
    color: var(--text-light);
    padding: var(--spacing-3xl) var(--spacing-lg);
    text-align: center;
}

.cta-section h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.cta-section p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

/* ============================================================================
   CONTACT FORM SECTION
   ========================================================================== */

.contact-form-section {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--bg-white);
}

.form-wrapper {
    max-width: 600px;
    margin: 0 auto;
    background-color: var(--bg-light);
    padding: var(--spacing-3xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.form-wrapper h2 {
    text-align: center;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
}

.form-wrapper > p {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: var(--spacing-2xl);
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-wrapper {
        padding: var(--spacing-2xl);
    }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-base);
    background-color: var(--bg-white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(45, 80, 22, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-family);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-weight: 500;
    cursor: pointer;
}

.submit-button {
    background-color: var(--primary-green);
    color: var(--text-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.submit-button:hover {
    background-color: var(--primary-green-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-button:active {
    transform: translateY(0);
}

.form-note {
    background-color: #e8f5e9;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-2xl);
    border-left: 4px solid var(--primary-green);
}

.form-note p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    font-size: var(--font-size-sm);
}

.form-note a {
    color: var(--primary-green);
    font-weight: 600;
}

.form-note a:hover {
    color: var(--primary-green-light);
}

/* ============================================================================
   FOOTER
   ========================================================================== */

.footer {
    background-color: var(--primary-green-dark);
    color: var(--text-light);
    padding: var(--spacing-3xl) var(--spacing-lg) var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-section h4 {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-lg);
}

.footer-section p {
    color: rgba(249, 249, 249, 0.8);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-relaxed);
}

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

.footer-section li {
    margin-bottom: var(--spacing-md);
}

.footer-section a {
    color: rgba(249, 249, 249, 0.8);
    text-decoration: none;
    transition: color var(--transition-base);
    font-size: var(--font-size-sm);
}

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

.footer-social {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.contact-info {
    font-size: var(--font-size-sm);
    color: rgba(249, 249, 249, 0.8);
}

.contact-info p {
    margin-bottom: var(--spacing-sm);
}

.contact-info a {
    color: rgba(249, 249, 249, 0.8);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    font-size: var(--font-size-sm);
    color: rgba(249, 249, 249, 0.7);
}

.footer-bottom a {
    color: rgba(249, 249, 249, 0.7);
}

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

/* ============================================================================
   FLOATING ELEMENTS
   ========================================================================== */

.whatsapp-button {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: var(--spacing-2xl);
    width: 56px;
    height: 56px;
    background-color: #25d366;
    color: var(--text-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    z-index: var(--z-floating);
    text-decoration: none;
}

.whatsapp-button:hover {
    background-color: #1fa855;
    transform: scale(1.1);
}

.back-to-top {
    position: fixed;
    bottom: var(--spacing-2xl);
    right: 100px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-green);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: var(--z-floating);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

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

.back-to-top:hover {
    background-color: var(--primary-green-light);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .whatsapp-button {
        width: 50px;
        height: 50px;
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
    }

    .back-to-top {
        width: 45px;
        height: 45px;
        right: var(--spacing-lg);
        bottom: calc(var(--spacing-lg) + 70px);
    }
}

/* ============================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

@media (max-width: 1024px) {
    :root {
        --font-size-4xl: 40px;
        --font-size-3xl: 28px;
        --font-size-2xl: 22px;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 32px;
        --font-size-3xl: 24px;
        --font-size-2xl: 20px;
        --spacing-3xl: 40px;
        --spacing-2xl: 32px;
    }

    .hero-heading {
        font-size: 28px;
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }
}

/* ============================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .top-bar,
    .header,
    .whatsapp-button,
    .back-to-top,
    .cta-section {
        display: none;
    }

    body {
        background-color: white;
        color: black;
    }
}

/* ============================================================================
   ANIMATIONS
   ========================================================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ============================================================================
   UTILITY CLASSES
   ========================================================================== */

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

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

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

.pt-3xl {
    padding-top: var(--spacing-3xl);
}

.pb-3xl {
    padding-bottom: var(--spacing-3xl);
}