/* ==========================================
   SIEZZON HAVEN - BUILDING MATERIALS WEBSITE
   CSS STYLES
   ========================================== */

/* ==========================================
   CSS VARIABLES & RESET
   ========================================== */
:root {
    --primary-orange: #FF6B00;
    --primary-orange-dark: #E65100;
    --black: #1A1A1A;
    --dark-gray: #2D2D2D;
    --medium-gray: #4A4A4A;
    --light-gray: #F5F5F5;
    --white: #FFFFFF;
    --border-color: #E0E0E0;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--black);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ==========================================
   CONTAINER
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   NAVIGATION
   ========================================== */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.nav-brand a {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    text-decoration: none;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--black);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-orange);
    transition: var(--transition);
}

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

.nav-cta {
    background-color: var(--primary-orange);
    color: var(--white) !important;
    padding: 10px 25px;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background-color: var(--primary-orange-dark);
    transform: translateY(-2px);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--black);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #1A1A1A 0%, #2D2D2D 100%);
    color: var(--white);
    margin-top: 60px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1A1A1A;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.5) 0%, rgba(45, 45, 45, 0.4) 100%);
    z-index: 2;
    pointer-events: none;
}

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

.hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-content p {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 30px;
    max-width: 600px;
    color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 4px;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

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

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

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--black);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-orange);
    border-color: var(--primary-orange);
}

.btn-outline:hover {
    background-color: var(--primary-orange);
    color: var(--white);
    transform: translateY(-2px);
}

/* ==========================================
   TRUST STRIP
   ========================================== */
.trust-strip {
    background-color: var(--white);
    padding: 60px 0;
    border-bottom: 1px solid var(--border-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.trust-item {
    text-align: center;
    padding: 20px;
}

.trust-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    color: var(--primary-orange);
}

.trust-icon svg {
    width: 100%;
    height: 100%;
}

.trust-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--black);
}

.trust-item p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.5;
}

/* ==========================================
   ABOUT PREVIEW
   ========================================== */
.about-preview {
    background-color: var(--white);
    padding: 80px 0;
}

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

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--black);
}

.about-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 15px;
}

.about-image {
    display: flex;
    justify-content: center;
}

.image-placeholder {
    width: 100%;
    max-width: 400px;
    height: 300px;
    background-color: var(--light-gray);
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--medium-gray);
}

.image-placeholder svg {
    width: 60px;
    height: 60px;
    margin-bottom: 10px;
}

.image-placeholder span {
    font-size: 14px;
    font-weight: 500;
}

.about-img {
    width: 100%;
    max-width: 400px;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.logistics-image {
    display: flex;
    justify-content: center;
}

.logistics-image .about-img {
    max-width: 500px;
    height: 350px;
}

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

.product-card:hover .product-img {
    transform: scale(1.05);
}

/* ==========================================
   PRODUCTS PREVIEW
   ========================================== */
.products-preview {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--black);
}

.section-header p {
    font-size: 16px;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.product-image {
    height: 200px;
    background-color: var(--light-gray);
    overflow: hidden;
}

.product-image .image-placeholder {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 0;
}

.product-image.clickable {
    cursor: pointer;
}

.product-info {
    padding: 20px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--black);
}

.product-info p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

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

/* ==========================================
   WHY CHOOSE SECTION
   ========================================== */
.why-choose {
    background-color: var(--black);
    color: var(--white);
    padding: 80px 0;
}

.why-choose .section-header h2 {
    color: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
}

.feature-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary-orange);
    margin-bottom: 15px;
    opacity: 0.3;
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--white);
}

.feature-item p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
}

/* ==========================================
   PAGE HEADER
   ========================================== */
.page-header {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 120px 0 60px;
    margin-top: 60px;
    text-align: center;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about-section {
    background-color: var(--white);
    padding: 80px 0;
}

.about-section .about-content {
    gap: 60px;
}

.about-section .about-text h2 {
    font-size: 36px;
    margin-bottom: 25px;
}

/* ==========================================
   WHAT WE DO
   ========================================== */
.what-we-do {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.services-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-orange);
    margin-bottom: 20px;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--black);
}

.service-item p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ==========================================
   OUR VALUES
   ========================================== */
.our-values {
    background-color: var(--white);
    padding: 80px 0;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background-color: var(--light-gray);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
}

.value-card:hover {
    background-color: var(--primary-orange);
    color: var(--white);
}

.value-card:hover h3,
.value-card:hover p {
    color: var(--white);
}

.value-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--black);
}

.value-card p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ==========================================
   MISSION HERO
   ========================================== */
.mission-hero {
    background: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    color: var(--white);
    padding: 120px 0 80px;
    margin-top: 60px;
    text-align: center;
}

.mission-hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 30px;
}

.mission-statement {
    font-size: 24px;
    font-weight: 600;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.5;
    color: var(--primary-orange);
}

/* ==========================================
   MISSION CONTENT
   ========================================== */
.mission-content {
    background-color: var(--white);
    padding: 80px 0;
}

.mission-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.mission-text p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 20px;
}

/* ==========================================
   OUR APPROACH
   ========================================== */
.our-approach {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.approach-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.approach-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-orange);
    margin: 0 auto 20px;
}

.approach-icon svg {
    width: 100%;
    height: 100%;
}

.approach-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--black);
}

.approach-item p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ==========================================
   WHO WE SERVE
   ========================================== */
.who-we-serve {
    background-color: var(--white);
    padding: 80px 0;
}

.customers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.customer-item {
    background-color: var(--light-gray);
    padding: 30px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-orange);
}

.customer-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--black);
}

.customer-item p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services-section {
    background-color: var(--white);
    padding: 80px 0;
}

.service-detail {
    display: flex;
    gap: 40px;
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
}

.service-detail:last-child {
    border-bottom: none;
}

.service-number {
    font-size: 64px;
    font-weight: 700;
    color: var(--primary-orange);
    opacity: 0.2;
    min-width: 100px;
}

.service-content h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--black);
}

.service-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
}

/* ==========================================
   PRODUCTS CATALOGUE
   ========================================== */
.products-catalogue {
    background-color: var(--white);
    padding: 80px 0;
}

.product-category {
    margin-bottom: 60px;
}

.product-category h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--black);
    border-left: 4px solid var(--primary-orange);
    padding-left: 15px;
}

.products-catalogue .products-grid {
    grid-template-columns: repeat(3, 1fr);
}

.availability-notice {
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    margin-top: 40px;
}

.availability-notice p {
    font-size: 16px;
    color: var(--medium-gray);
}

/* ==========================================
   LIGHTBOX
   ========================================== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    background-color: var(--white);
    border-radius: 8px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.lightbox-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 10;
}

.lightbox-close svg {
    width: 30px;
    height: 30px;
    color: var(--black);
}

.lightbox-image {
    background-color: var(--light-gray);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image .image-placeholder {
    border: none;
    border-radius: 0;
    max-width: 100%;
}

.lightbox-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 300px;
}

.lightbox-info {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.lightbox-info h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--black);
}

.lightbox-info p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 25px;
}

/* ==========================================
   LOGISTICS SECTIONS
   ========================================== */
.logistics-intro {
    background-color: var(--white);
    padding: 80px 0;
}

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

.logistics-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--black);
}

.logistics-text p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 15px;
}

.logistics-services {
    background-color: var(--light-gray);
    padding: 80px 0;
}

.logistics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.logistics-item {
    background-color: var(--white);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.logistics-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-orange);
    margin-bottom: 20px;
}

.logistics-icon svg {
    width: 100%;
    height: 100%;
}

.logistics-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--black);
}

.logistics-item p {
    font-size: 14px;
    color: var(--medium-gray);
    line-height: 1.6;
}

.logistics-benefits {
    background-color: var(--white);
    padding: 80px 0;
}

.benefits-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.benefit-item {
    padding: 30px;
    border-left: 4px solid var(--primary-orange);
    background-color: var(--light-gray);
}

.benefit-item h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--black);
}

.benefit-item p {
    font-size: 15px;
    color: var(--medium-gray);
    line-height: 1.6;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-section {
    background-color: var(--white);
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--black);
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    color: var(--primary-orange);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-details h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--black);
}

.contact-details p,
.contact-details a {
    font-size: 15px;
    color: var(--medium-gray);
    line-height: 1.6;
    text-decoration: none;
}

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

.contact-form-wrapper h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--black);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
}

.form-group input,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 15px;
    font-family: var(--font-primary);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-message {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    display: block;
    background-color: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.form-message.error {
    display: block;
    background-color: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ==========================================
   CTA SECTION
   ========================================== */
.cta-section {
    background-color: var(--primary-orange);
    color: var(--white);
    padding: 80px 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--white);
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.9);
}

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

.cta-section .btn-primary:hover {
    background-color: var(--light-gray);
    color: var(--primary-orange-dark);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background-color: var(--black);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--white);
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 5px;
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

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

.footer-contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-contact p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 10px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social {
    margin-top: 20px;
}

.footer-social a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-social svg {
    width: 24px;
    height: 24px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   WHATSAPP BUTTON
   ========================================== */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-hover);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.whatsapp-button svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

/* ==========================================
   BACK TO TOP BUTTON
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-orange);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.back-to-top:hover {
    background-color: var(--primary-orange-dark);
    transform: translateY(-3px);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

/* ==========================================
   SCROLL REVEAL ANIMATIONS
   ========================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================
   RESPONSIVE DESIGN - TABLET
   ========================================== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 40px;
    }

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

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

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

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

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

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

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

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

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

    .logistics-content {
        grid-template-columns: 1fr;
    }

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

    .benefits-list {
        grid-template-columns: 1fr;
    }

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

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

    .lightbox-content {
        grid-template-columns: 1fr;
    }

    .lightbox-image {
        min-height: 250px;
    }
}

/* ==========================================
   RESPONSIVE DESIGN - MOBILE
   ========================================== */
@media (max-width: 768px) {
    .navbar .container {
        padding: 15px;
    }

    .nav-brand a {
        font-size: 20px;
    }

    .hamburger {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background-color: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 20px;
        transition: var(--transition);
        box-shadow: var(--shadow);
    }

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

    .nav-menu.active ~ .hamburger span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-menu.active ~ .hamburger span:nth-child(2) {
        opacity: 0;
    }

    .nav-menu.active ~ .hamburger span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    body.menu-open {
        overflow: hidden;
    }

    .hero {
        height: auto;
        min-height: 500px;
        padding: 80px 0;
    }

    .hero-content h1 {
        font-size: 32px;
    }

    .hero-content p {
        font-size: 16px;
    }

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

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

    .about-text h2 {
        font-size: 26px;
    }

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

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

    .section-header h2 {
        font-size: 28px;
    }

    .page-header {
        padding: 100px 0 40px;
    }

    .page-header h1 {
        font-size: 32px;
    }

    .mission-hero h1 {
        font-size: 32px;
    }

    .mission-statement {
        font-size: 18px;
    }

    .services-list {
        grid-template-columns: 1fr;
    }

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

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

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

    .service-detail {
        flex-direction: column;
        gap: 20px;
    }

    .service-number {
        font-size: 48px;
    }

    .products-catalogue .products-grid {
        grid-template-columns: 1fr;
    }

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

    .benefits-list {
        grid-template-columns: 1fr;
    }

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

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

    .whatsapp-button {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }

    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
    }

    .lightbox-content {
        padding: 20px;
    }

    .lightbox-info {
        padding: 20px;
    }

    .lightbox-info h3 {
        font-size: 20px;
    }
}

/* ==========================================
   RESPONSIVE DESIGN - SMALL MOBILE
   ========================================== */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .hero-content p {
        font-size: 15px;
    }

    .about-text h2 {
        font-size: 22px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .page-header h1 {
        font-size: 28px;
    }

    .mission-hero h1 {
        font-size: 28px;
    }

    .mission-statement {
        font-size: 16px;
    }

    .cta-section h2 {
        font-size: 24px;
    }

    .contact-form-wrapper h2,
    .contact-info h2 {
        font-size: 22px;
    }
}

/* ==========================================
   PRINT STYLES
   ========================================== */
@media print {
    .navbar,
    .whatsapp-button,
    .back-to-top,
    .hamburger {
        display: none;
    }

    .hero {
        margin-top: 0;
    }

    body {
        font-size: 12pt;
    }
}

/* ==========================================
   IMAGE ERROR HANDLING
   ========================================== */
img {
    display: block;
    max-width: 100%;
    height: auto;
}

img[alt] {
    font-style: italic;
}

/* Fallback for images that don't load */
.product-img,
.about-img,
.hero-bg-image,
.lightbox-img {
    background-color: var(--light-gray);
    min-height: 200px;
}

.product-image,
.about-image,
.hero-background,
.lightbox-image {
    position: relative;
    overflow: hidden;
}

/* Show alt text if image fails to load */
img::before {
    content: attr(alt);
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--medium-gray);
    font-size: 14px;
    text-align: center;
    padding: 10px;
    width: 100%;
}

/* Image loading state */
img {
    transition: opacity 0.3s ease;
}

img[loading] {
    opacity: 0.5;
}