/* ===================================
   AGELET - Building Automation Website
   Design System & Variables
   =================================== */

:root {
    /* Colors - Agelet Red Theme */
    --primary-red: #C31E27;
    --primary-red-dark: #9E1820;
    --primary-red-light: #E02932;
    --secondary-dark: #1A1A1A;
    --secondary-gray: #2E2E2E;
    --accent-gray: #4A4A4A;

    /* Neutral Colors */
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --medium-gray: #E0E0E0;
    --text-dark: #2C2C2C;
    --text-gray: #666666;
    --text-light: #999999;

    /* Success & Status Colors */
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;
    --info: #17A2B8;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

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

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.18);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Container Widths */
    --container-max: 1200px;
    --container-wide: 1400px;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ===================================
   Container & Layout
   =================================== */

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

/* ===================================
   Header & Navigation
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

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

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

.logo img {
    height: 50px;
    width: auto;
}

.company-name {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-red);
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-links a {
    font-weight: var(--font-weight-medium);
    color: var(--text-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

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

.cta-nav {
    background-color: var(--primary-red);
    color: var(--white) !important;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
}

.cta-nav:hover {
    background-color: var(--primary-red-dark);
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-red);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-gray) 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/control-panel.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(195, 30, 39, 0.8) 0%, rgba(26, 26, 26, 0.9) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    color: var(--white);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: var(--font-weight-extrabold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    font-weight: var(--font-weight-semibold);
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-red);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background-color: var(--primary-red-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xxl);
    font-size: 1.1rem;
}

/* ===================================
   Section Styles
   =================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.section-line {
    width: 80px;
    height: 4px;
    background-color: var(--primary-red);
    margin: 0 auto var(--spacing-md);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   About Section
   =================================== */

.about-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--light-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-text h3 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.highlight-text {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-red);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.stat-item i {
    font-size: 2.5rem;
    color: var(--primary-red);
    margin-bottom: var(--spacing-sm);
}

.stat-item h4 {
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.stat-item p {
    font-size: 0.95rem;
    color: var(--text-gray);
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), opacity 1s ease-in-out;
    grid-column: 1;
    grid-row: 1;
    opacity: 0;
}

.about-image img.active {
    opacity: 1;
    z-index: 1;
}

.about-image:hover img.active {
    transform: scale(1.05);
}

/* ===================================
   Services Section
   =================================== */

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

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

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-red);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.service-icon i {
    font-size: 2rem;
    color: var(--white);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
}

/* ===================================
   Products Section
   =================================== */

.products-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--light-gray);
}

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

.product-card {
    background-color: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

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

.product-card.featured {
    border: 3px solid var(--primary-red);
}

.product-header {
    background: linear-gradient(135deg, var(--secondary-dark), var(--secondary-gray));
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-header h3 {
    font-size: 1.6rem;
    font-weight: var(--font-weight-bold);
    color: var(--white);
}

.product-badge {
    background-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
}

.product-badge.featured {
    background-color: var(--primary-red);
}

.product-body {
    padding: var(--spacing-xl);
}

.product-intro {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-gray);
    margin-bottom: var(--spacing-lg);
    font-weight: var(--font-weight-medium);
}

.product-body h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-features {
    list-style: none;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
    color: var(--text-gray);
}

.product-features i {
    color: var(--primary-red);
    font-size: 1.1rem;
    margin-top: 3px;
    flex-shrink: 0;
}

.product-benefits {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--medium-gray);
}

.benefit-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.benefit-tags span {
    background-color: var(--light-gray);
    color: var(--text-dark);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: var(--font-weight-medium);
    display: flex;
    align-items: center;
    gap: 6px;
}

.benefit-tags i {
    color: var(--primary-red);
}

/* ===================================
   Applications Section
   =================================== */

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

.applications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.application-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.application-image {
    height: 250px;
    overflow: hidden;
}

.application-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.application-card:hover .application-image img {
    transform: scale(1.1);
}

.application-content {
    padding: var(--spacing-lg);
    flex: 1;
}

.application-content h3 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.application-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
}

.application-content ul {
    list-style: none;
}

.application-content li {
    padding-left: var(--spacing-md);
    position: relative;
    margin-bottom: var(--spacing-xs);
    color: var(--text-gray);
    font-size: 0.95rem;
}

.application-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-red);
    font-weight: var(--font-weight-bold);
    font-size: 1.2rem;
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    padding: var(--spacing-xxl) 0;
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-dark));
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--white);
    opacity: 0.95;
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-section .btn {
    background-color: var(--white);
    color: var(--primary-red);
    font-size: 1.1rem;
}

.cta-section .btn:hover {
    background-color: var(--secondary-dark);
    color: var(--white);
}

/* ===================================
   Page Hero (for inner pages)
   =================================== */

.page-hero {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary-gray) 100%);
    padding-top: 80px;
    text-align: center;
}

.page-hero-content {
    position: relative;
    z-index: 3;
    color: var(--white);
}

.page-hero-content h1 {
    font-size: 3rem;
    font-weight: var(--font-weight-extrabold);
    margin-bottom: var(--spacing-md);
}

.page-hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ===================================
   Contact Section
   =================================== */

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xxl);
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.contact-intro {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-gray);
    margin-bottom: var(--spacing-xl);
}

.info-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.info-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.info-icon {
    width: 50px;
    height: 50px;
    background-color: var(--primary-red);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-icon i {
    font-size: 1.3rem;
    color: var(--white);
}

.info-content h3 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.info-content p,
.info-content a {
    font-size: 1rem;
    color: var(--text-gray);
}

.info-content a:hover {
    color: var(--primary-red);
}

.expertise-box {
    background-color: var(--light-gray);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

.expertise-box h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-md);
}

.expertise-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--text-gray);
}

.expertise-list i {
    color: var(--success);
}

.experience-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-red), var(--primary-red-light));
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.experience-badge i {
    font-size: 2.5rem;
}

.experience-badge h4 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 2px;
}

.experience-badge p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ===================================
   Contact Form
   =================================== */

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

.contact-form-wrapper h2 {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xl);
}

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

.form-group label {
    display: block;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--medium-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

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

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    flex-shrink: 0;
}

.checkbox-label {
    font-size: 0.9rem;
    color: var(--text-gray);
    font-weight: var(--font-weight-regular);
}

.checkbox-label a {
    color: var(--primary-red);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    position: relative;
}

.btn-loading {
    display: none;
}

.btn-submit.loading .btn-text {
    display: none;
}

.btn-submit.loading .btn-loading {
    display: inline-block;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: var(--font-weight-medium);
    display: none;
}

.form-message.success {
    background-color: var(--success);
    color: var(--white);
    display: block;
}

.form-message.error {
    background-color: var(--error);
    color: var(--white);
    display: block;
}

/* ===================================
   Why Choose Section
   =================================== */

.why-choose-section {
    padding: var(--spacing-xxl) 0;
    background-color: var(--light-gray);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.why-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

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

.why-icon {
    width: 70px;
    height: 70px;
    background-color: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.why-icon i {
    font-size: 2rem;
    color: var(--white);
}

.why-card h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-bold);
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.why-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-gray);
}

/* ===================================
   FAQ Section
   =================================== */

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

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    transition: var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--light-gray);
}

.faq-question i {
    transition: var(--transition-base);
    color: var(--primary-red);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===================================
   Footer
   =================================== */

.footer {
    background-color: var(--secondary-dark);
    color: var(--white);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 40px;
}

.footer-logo h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-red);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.footer-experience {
    color: var(--primary-red);
    font-weight: var(--font-weight-semibold);
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

.footer-section a:hover {
    color: var(--primary-red);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact i {
    color: var(--primary-red);
    width: 20px;
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ===================================
   Animations
   =================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   Responsive Design
   =================================== */

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

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

@media (max-width: 768px) {

    /* Navigation */
    .menu-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: var(--transition-base);
    }

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

    /* Hero */
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

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

    /* Sections */
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
    }

    .services-grid,
    .products-grid,
    .applications-grid {
        grid-template-columns: 1fr;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2,
    .page-hero-content h1 {
        font-size: 2rem;
    }

    .hero-buttons .btn,
    .btn-large {
        width: 100%;
        padding: var(--spacing-md) var(--spacing-lg);
    }
}

/* ===================================
   Modal Styles
   =================================== */

.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0, 0, 0);
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
    animation-name: zoom;
    animation-duration: 0.6s;
    max-height: 80vh;
    object-fit: contain;
}

@keyframes zoom {
    from {
        transform: scale(0)
    }

    to {
        transform: scale(1)
    }
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

.close-modal:hover,
.close-modal:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

@media only screen and (max-width: 700px) {
    .modal-content {
        width: 100%;
    }
}