/* ============================================
   AEMA GULV - Professional Flooring Solutions
   Main Stylesheet
   ============================================ */

/* === CSS Variables === */
:root {
    /* Brand Colors */
    --primary: #333D47;
    --secondary: #E5E4E2;
    --accent: #3E5C56;
    --background: #F5F5F3;
    --white: #FFFFFF;

    /* Text Colors */
    --text-primary: #2D333A;
    --text-secondary: #6B7280;
    --text-light: #9CA3AF;

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

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

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

body {
    font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === Typography === */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

h1 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.text-large {
    font-size: 1.125rem;
}

.text-small {
    font-size: 0.875rem;
}

/* === Links === */
a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

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

/* === Container === */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 2.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 5rem;
    }
}

/* === Header === */
/* target the wrapper div injected by shared-header.js */
#header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    /* High opacity white */
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    /* Soft shadow */
}

.site-header {
    /* Reset inner header as the wrapper handles position */
    width: 100%;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    width: 100%;
}

@media (min-width: 768px) {
    .header-content {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
    }

    .logo-container {
        justify-self: start;
    }

    .main-nav {
        justify-self: center;
    }
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-full {
    height: 2rem;
    width: auto;
}

@media (min-width: 768px) {
    .logo-full {
        height: 2.5rem;
    }
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

/* === Navigation === */
.main-nav {
    display: none;
    gap: 2rem;
}

@media (min-width: 768px) {
    .main-nav {
        display: flex;
    }
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 600;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.25rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: width var(--transition-normal);
}

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

/* Mobile Menu Button */
.mobile-menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
}

.mobile-menu-btn:hover {
    background-color: var(--secondary);
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Navigation */
.mobile-nav {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1rem 0;
    border-top: 1px solid var(--secondary);
}

.mobile-nav-link {
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: var(--secondary);
}

@media (min-width: 768px) {
    .mobile-nav {
        display: none !important;
    }
}

/* === Hero Section === */
.hero-section {
    padding: 4rem 0;
}

@media (min-width: 768px) {
    .hero-section {
        padding: 6rem 0;
    }
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-image {
    width: 100%;
    height: 20rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .hero-image {
        height: auto;
        aspect-ratio: 4 / 3;
    }
}

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

/* === Section Styles === */
.section {
    padding: 4rem 0;
}

@media (min-width: 768px) {
    .section {
        padding: 6rem 0;
    }
}

.section-white {
    background-color: var(--white);
    border-top: 1px solid var(--secondary);
    border-bottom: 1px solid var(--secondary);
}

.section-header {
    text-align: center;
    max-width: 48rem;
    margin: 0 auto 3rem;
}

/* === Card Grid === */
.card-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 2rem;
    background-color: var(--white);
    border: 1px solid var(--secondary);
    border-radius: var(--radius-lg);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-icon {
    color: var(--accent);
    font-size: 2.5rem;
}

/* === Logo Grid === */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: center;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .logo-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.logo-grid>div {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-normal);
}

.logo-grid>div:hover {
    transform: scale(1.1);
}

.logo-grid img {
    height: 2rem;
    width: 100%;
    object-fit: contain;
    transition: opacity var(--transition-normal);
}

@media (min-width: 768px) {
    .logo-grid img {
        height: 2.5rem;
    }
}

.logo-grid img:hover {
    opacity: 0.7;
}

/* === Client Logos === */
/* === Client Logos / Project Categories === */
.client-grid {
    display: flex;
    overflow-x: auto;
    gap: 1rem;
    padding: 1rem 0.5rem;
    /* Padding for scroll spacing and shadow */
    margin-top: 3rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    /* Hide scrollbar Firefox */
    -ms-overflow-style: none;
    /* Hide scrollbar IE/Edge */
}

.client-grid::-webkit-scrollbar {
    display: none;
    /* Hide scrollbar Chrome/Safari */
}

@media (min-width: 768px) {
    .client-grid {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 2rem;
        padding: 0;
        overflow-x: visible;
    }
}

@media (min-width: 1024px) {
    /* No specfic grid override needed, flex handles it */
}

/* Client Card Styles (replacing inline styles) */
.client-card {
    flex: 0 0 85%;
    /* Mobile: Card takes 85% width */
    min-width: 250px;
    scroll-snap-align: center;

    text-align: center;
    padding: 1.5rem;
    /* Reduced padding for mobile */
    background: #f9f9f9;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;

    /* Box shadow for better visibility on white */
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

@media (min-width: 768px) {
    .client-card {
        padding: 2rem;
        width: auto;
        flex: 0 1 calc(33.333% - 2rem);
        /* 3 per row on tablet */
        min-width: 160px;
    }
}

@media (min-width: 1024px) {
    .client-card {
        flex: 0 1 calc(20% - 2rem);
        /* 5 per row on desktop */
        min-width: 0;
    }

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

.client-card-icon {
    font-size: 2.5rem;
    color: var(--accent);
}

.client-card-text {
    color: #4A4A4A;
    font-size: 1rem;
    font-weight: 500;
    margin: 0;
}

/* Legacy support for images if used elsewhere in client-grid */
.client-grid img {
    height: 2rem;
    opacity: 0.6;
    filter: grayscale(100%);
    transition: opacity var(--transition-normal), filter var(--transition-normal);
}

.client-grid img:hover {
    opacity: 1;
    filter: grayscale(0%);
}

/* === CTA Section === */
.cta-section {
    padding: 4rem 0;
}

.cta-box {
    background-color: var(--accent);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
}

@media (min-width: 768px) {
    .cta-box {
        padding: 4rem;
    }
}

.cta-box h2 {
    color: var(--white);
}

.cta-box p {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 1rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

/* === Footer === */
.site-footer {
    background-color: var(--white);
    border-top: 1px solid var(--secondary);
    padding: 3rem 0;
}

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

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-column.brand {
    grid-column: span 2;
}

@media (min-width: 768px) {
    .footer-column.brand {
        grid-column: span 1;
    }
}

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

.footer-logo-full {
    height: 1.75rem;
    width: auto;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

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

.social-link {
    color: var(--text-secondary);
    transition: color var(--transition-normal);
}

.social-link:hover {
    color: var(--text-primary);
}

.social-link svg {
    width: 1.5rem;
    height: 1.5rem;
}

.footer-bottom {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--secondary);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* === Utility Classes === */
.text-center {
    text-align: center;
}

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

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

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

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