/*
* DynamRinse - Complete Style Sheet
* A responsive, modern CSS for a healthy home environment website
*/

/* ===== BASE VARIABLES ===== */
:root {
    /* Colors */
    --color-primary: #A8C3A0;
    --color-primary-dark: #8AAE80;
    --color-primary-light: #C5D8C0;
    --color-secondary: #FAF9F6;
    --color-accent: #DCCBB2;
    --color-accent-dark: #CDB9A0;
    --color-highlight: #B6D3E3;
    --color-highlight-dark: #9ABFD0;
    --color-text: #333333;
    --color-text-light: #1b1b1b;
    --color-text-lighter: #999999;
    --color-background: #FFFFFF;
    --color-border: #EEEEEE;
    --color-success: #4CAF50;
    --color-warning: #FFC107;
    --color-danger: #F44336;
    --color-info: #2196F3;

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;

    /* Spacing */
    --space-xxs: 0.125rem;
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Borders & Radiuses */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.15);

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;

    /* Z-indices */
    --z-below: -1;
    --z-normal: 1;
    --z-above: 10;
    --z-modal: 100;
    --z-tooltip: 200;
    --z-fixed: 1000;
}

/* ===== RESET & BASE STYLES ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden ;

}

main {
    flex-grow: 1;
}

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

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

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

ul, ol {
    list-style: none;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

strong, b {
    font-weight: 600;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: var(--space-md);
}

.section-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-top: calc(-1 * var(--space-lg));
    margin-bottom: var(--space-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.text-primary {
    color: var(--color-primary-dark);
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--space-md));
}

.col {
    flex: 1 0 0%;
    padding: 0 var(--space-md);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    background-color: var(--color-primary);
    color: white;
    font-family: var(--font-primary);
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    line-height: 1.4;
    min-width: 120px;
    box-shadow: var(--shadow-sm);
}

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

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

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

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

.btn-secondary {
    background-color: var(--color-accent);
    color: var(--color-text);
}

.btn-secondary:hover {
    background-color: var(--color-accent-dark);
    color: var(--color-text);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
}

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

.btn-small {
    padding: var(--space-xs) var(--space-md);
    font-size: 0.9rem;
    min-width: 100px;
}

.btn-large {
    padding: var(--space-md) var(--space-xl);
    font-size: 1.1rem;
    min-width: 160px;
}

.btn i {
    margin-right: var(--space-xs);
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border-radius: var(--radius-full);
    min-width: unset;
}

/* ===== HEADER ===== */
.site-header {
    padding: var(--space-md) 0;
    background-color: var(--color-secondary);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast);
}

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

.brand-name {
    font-family: var(--font-primary);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary-dark);
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: var(--space-lg);
}

.nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    position: relative;
    padding: var(--space-xs) 0;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(1);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.nav-link:not(.active)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text);
    cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-highlight);
    background-image:url("../img/22.webp");
    background-position: center ;
    background-repeat: no-repeat;
    position: relative;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-image: url('../img/22.webp');
    background-size: cover;
    opacity: 0.1;
    z-index: var(--z-below);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-xl) 0;
    position: relative;
    z-index: var(--z-normal);
}

.hero-title {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--space-lg);
    color: var(--color-text-light);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

/* ===== INTRO SECTION ===== */
.intro-section {
    padding: var(--space-xl) 0;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.intro-text {
    flex: 1;
}

.intro-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===== FEATURES SECTION ===== */
.features-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.feature-card {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.feature-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    line-height: 1;
}

.feature-title {
    margin-bottom: var(--space-sm);
}

.feature-desc {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.feature-link {
    font-weight: 500;
    display: inline-block;
    margin-top: auto;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    padding: var(--space-xl) 0;
}

.about-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.about-text {
    flex: 1;
}

.about-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

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

.testimonial-card {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.testimonial-content {
    position: relative;
    padding: var(--space-md) 0;
    flex-grow: 1;
}

.testimonial-content::before {
    content: '"';
    font-family: var(--font-primary);
    font-size: 4rem;
    color: var(--color-primary-light);
    position: absolute;
    top: -1.5rem;
    left: -0.5rem;
    opacity: 0.5;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    margin-top: var(--space-md);
}

.author-name {
    font-weight: 600;
}

.author-location {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== PRODUCTS SECTION ===== */
.products-section {
    padding: var(--space-xl) 0;
}

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

.product-card {
    background-color: var(--color-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.product-image {
    height: 200px;
    overflow: hidden;
}

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

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

.product-info {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    margin-bottom: var(--space-sm);
}

.product-description {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.product-price {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

/* ===== MATERIALS CATEGORY SECTION ===== */
.categories-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(600px, 1fr));
    gap: var(--space-xl);
}

.category-card {
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

@media (min-width: 768px) {
    .category-card {
        flex-direction: row;
    }
}

.category-image {
    flex: 1;
    max-width: 100%;
    max-height: 300px;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.category-content {
    flex: 2;
    padding: var(--space-lg);
}

.category-title {
    margin-bottom: var(--space-md);
    color: var(--color-primary-dark);
}

.category-list {
    margin-bottom: var(--space-md);
}

.category-list li {
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: var(--space-lg);
}

.category-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 8px;
    height: 8px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
}

.category-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.eco-badge {
    display: inline-block;
    background-color: var(--color-primary-light);
    color: var(--color-text);
    font-size: 0.8rem;
    padding: var(--space-xxs) var(--space-sm);
    border-radius: var(--radius-full);
}

.certification-badge {
    display: inline-block;
    background-color: var(--color-highlight);
    color: var(--color-text);
    font-size: 0.8rem;
    padding: var(--space-xxs) var(--space-sm);
    border-radius: var(--radius-full);
}

/* ===== SUPPLIER DIRECTORY ===== */
.supplier-section {
    padding: var(--space-xl) 0;
}

.supplier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.supplier-card {
    background-color: var(--color-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.supplier-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.supplier-name {
    margin-bottom: var(--space-xs);
    color: var(--color-primary-dark);
}

.supplier-specialty {
    color: var(--color-text-light);
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.supplier-certifications {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    justify-content: center;
    margin-bottom: var(--space-md);
}

/* ===== GUIDE SECTION ===== */
.guide-section {
    padding: var(--space-xl) 0;
}

.guide-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.guide-text {
    flex: 1;
}

.guide-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.guide-list {
    counter-reset: guide-counter;
    margin-bottom: var(--space-lg);
}

.guide-list li {
    counter-increment: guide-counter;
    position: relative;
    padding-left: 2em;
    margin-bottom: var(--space-md);
}

.guide-list li::before {
    content: counter(guide-counter);
    position: absolute;
    left: 0;
    top: 0.1em;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5em;
    height: 1.5em;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== CIRCADIAN SECTION ===== */
.circadian-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.circadian-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.circadian-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.circadian-text {
    flex: 1;
}

.circadian-timeline {
    margin: var(--space-lg) 0;
    position: relative;
}

.circadian-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1.5rem;
    width: 2px;
    background-color: var(--color-primary-light);
}

.timeline-item {
    position: relative;
    padding-left: 4rem;
    margin-bottom: var(--space-md);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 0.5rem;
    width: 0.5rem;
    height: 0.5rem;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
    transform: translateX(-50%);
}

.time-label {
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xs);
}

/* ===== ROOM LIGHTING SECTION ===== */
.room-lighting-section {
    padding: var(--space-xl) 0;
}

.room-tabs {
    margin-top: var(--space-xl);
}

.tab-navigation {
    display: flex;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
    overflow-x: auto;
    scrollbar-width: none;
}

.tab-navigation::-webkit-scrollbar {
    display: none;
}

.tab-btn {
    padding: var(--space-sm) var(--space-lg);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--color-text-light);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-btn:hover:not(.active) {
    color: var(--color-text);
    border-bottom-color: var(--color-border);
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.room-content {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xl);
}

.room-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.room-text {
    flex: 1;
}

.room-lighting-list {
    margin-bottom: var(--space-md);
}

.room-lighting-list li {
    margin-bottom: var(--space-sm);
    position: relative;
    padding-left: 1.5rem;
}

.room-lighting-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
}

.room-lighting-tip {
    background-color: var(--color-highlight);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

/* ===== INFOGRAPHIC SECTION ===== */
.infographic-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.infographic {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.infographic-item {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.icon-circle {
    width: 4rem;
    height: 4rem;
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
}

.icon-circle i {
    font-size: 2rem;
    color: var(--color-primary-dark);
}

.infographic-item h3 {
    margin-bottom: var(--space-sm);
}

.infographic-item p {
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

.impact-meter {
    position: relative;
}

.impact-label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: var(--space-xs);
}

.meter-bar {
    height: 8px;
    background-color: #e0e0e0;
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.meter-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 85%;
    border-radius: inherit;
    transition: width var(--transition-medium);
}

.positive .meter-bar::after {
    background-color: var(--color-success);
}

.negative .meter-bar::after {
    background-color: var(--color-danger);
}

/* ===== EFFICIENCY SECTION ===== */
.efficiency-section {
    padding: var(--space-xl) 0;
}

.efficiency-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.efficiency-text {
    flex: 1;
}

.efficiency-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.efficiency-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    margin: var(--space-lg) 0;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.stat-description {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ===== AIR QUALITY SECTION ===== */
.air-quality-section {
    padding: var(--space-xl) 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.solution-card {
    background-color: var(--color-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}

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

.solution-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.solution-title {
    text-align: center;
    margin-bottom: var(--space-sm);
    color: var(--color-primary-dark);
}

.solution-desc {
    margin-bottom: var(--space-sm);
}

.solution-list {
    margin-bottom: var(--space-md);
    padding-left: var(--space-lg);
    flex-grow: 1;
}

.solution-list li {
    margin-bottom: var(--space-xs);
    position: relative;
}

.solution-list li::before {
    content: '';
    position: absolute;
    left: -1rem;
    top: 0.6em;
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
}

.solution-benefit {
    background-color: var(--color-primary-light);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
}

/* ===== CHECKLIST SECTION ===== */
.checklist-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.checklist-container {
    max-width: 800px;
    margin: 0 auto var(--space-xl);
}

.checklist-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    background-color: var(--color-background);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
}

.checklist-item:hover {
    transform: translateY(-3px);
}

.checklist-number {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.5rem;
    height: 2.5rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--radius-full);
    font-size: 1.2rem;
    font-weight: 600;
    flex-shrink: 0;
}

.checklist-content {
    flex: 1;
}

.checklist-content h3 {
    margin-bottom: var(--space-xs);
}

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

/* ===== ERGONOMICS SECTION ===== */
.ergonomics-section {
    padding: var(--space-xl) 0;
}

.ergonomics-content {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.ergonomics-image {
    flex: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.ergonomics-text {
    flex: 1;
}

.ergonomic-principles {
    margin: var(--space-lg) 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
}

.principle-item {
    padding: var(--space-sm);
}

.principle-item h3 {
    font-size: 1.1rem;
    margin-bottom: var(--space-xs);
    color: var(--color-primary-dark);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.principle-item h3 i {
    color: var(--color-primary);
}

/* ===== SCORECARD SECTION ===== */
.scorecard-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.scorecard-container {
    max-width: 800px;
    margin: 0 auto;
}

.scorecard-form {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.scorecard-category {
    margin-bottom: var(--space-lg);
}

.category-title {
    margin-bottom: var(--space-md);
    color: var(--color-primary-dark);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid var(--color-border);
}

.scorecard-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-sm);
}

.score-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    transition: background-color var(--transition-fast);
    border-radius: var(--radius-sm);
}

.score-item:hover {
    background-color: var(--color-secondary);
}

.score-checkbox {
    margin-top: 0.25rem;
}

.scorecard-actions {
    margin-top: var(--space-lg);
    text-align: center;
}

.score-result {
    margin-top: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 2px dashed var(--color-primary-light);
    display: none;
}

.score-feedback {
    background-color: var(--color-primary-light);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin: var(--space-md) 0;
}

.score-disclaimer {
    font-size: 0.9rem;
    color: var(--color-text-light);
    font-style: italic;
}

/* ===== BIOPHILIC SECTION ===== */
.biophilic-section {
    padding: var(--space-xl) 0;
}

.biophilic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.biophilic-card {
    background-color: var(--color-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-medium);
}

.biophilic-card:hover {
    transform: translateY(-5px);
}

.biophilic-image {
    height: 200px;
    overflow: hidden;
}

.biophilic-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

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

.biophilic-content {
    padding: var(--space-md);
}

.biophilic-content h3 {
    color: var(--color-primary-dark);
    margin-bottom: var(--space-sm);
}

.biophilic-benefits {
    background-color: var(--color-primary-light);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.benefit-icon {
    background-color: white;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.benefit-text h4 {
    margin-bottom: 0;
}

.benefit-text p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    padding: var(--space-xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: var(--space-xl);
    align-items: start;
}

.contact-info-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-bottom: var(--space-lg);
}

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

.info-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    flex-shrink: 0;
}

.info-text h3 {
    margin-bottom: var(--space-xs);
}

.info-text address, .info-text p {
    margin-bottom: 0;
    font-style: normal;
}

.map-container {
    height: 300px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-container iframe {
    border: none;
    width: 100%;
    height: 100%;
}

.contact-form-container {
    max-width: 100%;
}

.contact-form {
    background-color: var(--color-secondary);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    background-color: var(--color-background);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(168, 195, 160, 0.25);
}

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

.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.form-check-input {
    margin-top: 0.25rem;
}

.form-check-label {
    font-size: 0.9rem;
}

.error-message {
    color: var(--color-danger);
    font-size: 0.85rem;
    margin-top: var(--space-xs);
}

/* ===== FAQ SECTION ===== */
.faq-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-secondary);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: var(--space-lg);
}

.faq-item {
    background-color: var(--color-background);
    padding: var(--space-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.faq-question {
    margin-bottom: var(--space-sm);
    color: var(--color-primary-dark);
}

.faq-answer {
    margin-bottom: 0;
}

/* ===== FOOTER ===== */
.site-footer {
    padding: var(--space-xl) 0 var(--space-lg);
    background-color: var(--color-accent);
    color: var(--color-text);
    margin-top: auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.footer-brand .brand-name {
    margin-bottom: var(--space-sm);
}

.copyright {
    font-size: 0.9rem;
}

.footer-links h4, .footer-contact h4 {
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-menu {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.footer-link {
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-primary-dark);
}

.contact-info p {
    margin-bottom: var(--space-xs);
}

/* ===== PRIVACY POPUP ===== */
.privacy-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-background);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md);
    z-index: var(--z-modal);
    display: none;
}

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

.popup-content h3 {
    margin-bottom: var(--space-sm);
}

.popup-actions {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

/* ===== ERROR PAGE ===== */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--space-xl) 0;
}

.error-title {
    font-size: 8rem;
    line-height: 1;
    margin-bottom: var(--space-sm);
    color: var(--color-primary);
    text-shadow: 3px 3px 0 var(--color-primary-light);
}

.error-subtitle {
    font-size: 2rem;
    margin-bottom: var(--space-lg);
}

.error-message {
    max-width: 600px;
    margin: 0 auto var(--space-md);
}

.error-help {
    margin-bottom: var(--space-lg);
}

.error-actions {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.error-suggestions {
    margin-top: var(--space-lg);
}

.error-suggestions h3 {
    margin-bottom: var(--space-md);
}

.suggestion-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.suggestion-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background-color: var(--color-secondary);
    transition: all var(--transition-medium);
    min-width: 150px;
}

.suggestion-link i {
    font-size: 2rem;
    color: var(--color-primary);
}

.suggestion-link:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background-color: var(--color-primary-light);
}

/* ===== THANK YOU PAGE ===== */
.thank-you-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--space-xl) 0;
}

.thank-you-icon {
    font-size: 5rem;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.thank-you-message {
    max-width: 600px;
    margin: 0 auto var(--space-md);
}

.thank-you-next {
    margin-bottom: var(--space-md);
}

.thank-you-links {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.thank-you-return {
    font-size: 0.9rem;
}

/* ===== SYSTEM PAGES ===== */
.system-page {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    font-family: var(--font-secondary);
}

.system-page h1, .system-page h2, .system-page h3,
.system-page h4, .system-page h5, .system-page h6 {
    color: black;
    font-family: var(--font-secondary);
    margin-top: var(--space-lg);
}

.system-title {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.system-page p, .system-page ul, .system-page ol {
    margin-bottom: var(--space-md);
    color: black;
}

.system-page ul, .system-page ol {
    padding-left: 2rem;
}

.system-page ul {
    list-style-type: disc;
}

.system-page ol {
    list-style-type: decimal;
}

.system-page li {
    margin-bottom: var(--space-xs);
}

.system-page a {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.system-page a:hover {
    color: var(--color-primary);
}

.system-page > *:last-child {
    margin-bottom: 0;
}

/* ===== RESPONSIVE STYLES ===== */

/* Large Devices (Desktops) */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 2.8rem;
    }

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

/* Medium Devices (Tablets) */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }

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

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

    .intro-content,
    .about-content,
    .guide-content,
    .circadian-content,
    .efficiency-content,
    .ergonomics-content {
        flex-direction: column;
    }

    .intro-text,
    .about-text,
    .guide-text,
    .circadian-text,
    .efficiency-text,
    .ergonomics-text {
        order: 2;
    }

    .intro-image,
    .about-image,
    .guide-image,
    .circadian-image,
    .efficiency-image,
    .ergonomics-image {
        order: 1;
        margin-bottom: var(--space-lg);
    }

    .room-content {
        flex-direction: column;
    }

    .room-image {
        margin-bottom: var(--space-lg);
    }

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

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

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

/* Small Devices (Landscape Phones) */
@media (max-width: 768px) {
    html {
        font-size: 14px;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .menu-toggle {
        display: block;
    }

    .nav-list {
        position: absolute;
        top: 100%;
        right: 0;
        background-color: var(--color-background);
        box-shadow: var(--shadow-md);
        flex-direction: column;
        padding: var(--space-lg);
        gap: var(--space-md);
        transform: translateX(100%);
        transition: transform var(--transition-fast);
        z-index: 1000;
    }

    .nav-list.active {
        transform: translateX(0);
    }

    .footer-content {
        gap: var(--space-lg);
    }

    .popup-actions {
        flex-direction: column;
    }

    .thank-you-links {
        flex-direction: column;
    }

    .error-actions {
        flex-direction: column;
    }
}

/* Extra Small Devices (Portrait Phones) */
@media (max-width: 576px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 var(--space-sm);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.6rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .features-grid,
    .testimonials-grid,
    .products-grid,
    .supplier-grid,
    .solutions-grid,
    .infographic,
    .biophilic-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .feature-card,
    .testimonial-card,
    .product-card,
    .supplier-card,
    .solution-card,
    .infographic-item,
    .biophilic-card {
        max-width: 350px;
        margin-left: auto;
        margin-right: auto;
    }

    .scorecard-items {
        grid-template-columns: 1fr;
    }

    .error-title {
        font-size: 5rem;
    }

    .error-subtitle {
        font-size: 1.5rem;
    }

    .suggestion-links {
        flex-direction: column;
        align-items: center;
    }

    .suggestion-link {
        width: 100%;
    }
}

/* Extra Extra Small Devices (Small Portrait Phones) */
@media (max-width: 375px) {
    html {
        font-size: 12px;
    }

    .btn {
        width: 100%;
    }

    .brand-name {
        font-size: 1.5rem;
    }

    .hero-title {
        font-size: 1.6rem;
    }

    .info-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* For Extremely Small Screens */
@media (max-width: 320px) {
    html {
        font-size: 11px;
    }

    .container {
        padding: 0 var(--space-xs);
    }

    .site-header {
        padding: var(--space-sm) 0;
    }

    .brand-name {
        font-size: 1.3rem;
    }
}

/* Animation Keyframes */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInLeft {
    from { transform: translateX(-50px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideInUp {
    from { transform: translateY(50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 1s;
}

.slide-in-right {
    animation: slideInRight 1s;
}

.slide-in-left {
    animation: slideInLeft 1s;
}

.slide-in-up {
    animation: slideInUp 1s;
}

/* Print Styles */
@media print {
    .site-header,
    .site-footer,
    .privacy-popup,
    .hero-section {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }

    a {
        text-decoration: underline;
        color: black;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }

    img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }

    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
        page-break-inside: avoid;
    }

    p, blockquote, ul, ol, dl, table {
        page-break-inside: avoid;
    }

    p {
        orphans: 3;
        widows: 3;
    }
}