/* Aiti Plastik - Corporate Design System */
:root {
    /* Colors */
    --color-primary: #0f172a;
    /* Dark Navy / Slate 900 */
    --color-secondary: #334155;
    /* Slate 700 */
    --color-accent: #0284c7;
    /* Sky 600 - Modern Industrial Blue */
    --color-accent-hover: #0369a1;
    --color-bg-light: #ffffff;
    --color-bg-gray: #f8fafc;
    /* Slate 50 */
    --color-text-main: #1e293b;
    /* Slate 800 */
    --color-text-light: #64748b;
    /* Slate 500 */
    --color-white: #ffffff;
    --color-border: #e2e8f0;

    /* Typography */
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Outfit', sans-serif;
    /* Stronger headings */

    /* Spacing */
    --container-width: 1200px;
    --header-height: 80px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;

    /* Transitions */
    --transition-fast: 0.3s ease;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-main);
    color: var(--color-text-main);
    line-height: 1.6;
    background-color: var(--color-bg-light);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

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

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: 4px;
    /* Slightly grounded industrial look */
    cursor: pointer;
    transition: var(--transition-fast);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

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

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

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

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

/* Header */
.header {
    background-color: var(--color-white);
    height: var(--header-height);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-fast);
}

.header.scrolled {
    height: 60px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-primary);
    letter-spacing: -1px;
}

.logo span {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--color-secondary);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

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

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-white);
    transform: translateX(100%);
    transition: transform var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    z-index: 999;
    /* Below header content but overlays page */
    padding-top: 80px;
    /* Offset for header */
}

.mobile-menu-overlay.active {
    transform: translateX(0);
}

.mobile-menu-overlay .nav-link {
    font-size: 1.5rem;
}

/* Hero Slider */
.hero-slider {
    margin-top: var(--header-height);
    height: 80vh;
    min-height: 500px;
    background-color: var(--color-primary);
}

.hero-slide {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--color-white);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* Dark Overlay */
    position: relative;
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(15, 23, 42, 0.7), rgba(15, 23, 42, 0.6));
    z-index: 1;
}

.slide-1 {
    background-image: url('../images/slider/1.jpg');
}

.slide-2 {
    background-image: url('../images/slider/2.jpg');
}

.slide-3 {
    background-image: url('../images/slider/3.jpg');
}

.slide-4 {
    background-image: url('../images/slider/4.jpg');
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
    line-height: 1.1;
}

.hero-text {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Swiper Customization */
.swiper-button-next,
.swiper-button-prev {
    color: var(--color-white);
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    backdrop-filter: blur(4px);
    transition: all 0.3s;
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 1.5rem;
    font-weight: bold;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background: var(--color-accent);
    transform: scale(1.1);
}

.swiper-pagination-bullet {
    background: var(--color-white);
    opacity: 0.5;
    width: 10px;
    height: 10px;
}

.swiper-pagination-bullet-active {
    background: var(--color-accent);
    opacity: 1;
    width: 30px;
    border-radius: 5px;
}

/* Sections */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-accent);
}

/* Card Grid */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--color-accent);
}

.card-img {
    height: 200px;
    background-color: #cbd5e1;
    /* Placeholder */
    object-fit: cover;
}

.card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.card-text {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    flex: 1;
}

/* Features */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.feature-icon {
    background-color: rgba(2, 132, 199, 0.1);
    color: var(--color-accent);
    padding: 1rem;
    border-radius: 50%;
    font-size: 1.5rem;
    min-width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* References */
.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.ref-item {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: 4px;
    text-align: center;
    border: 1px solid var(--color-border);
    font-weight: 500;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    transition: all 0.3s ease;
}

.ref-item:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #1e293b;
    font-size: 0.875rem;
}

/* Mobile Sticky CTA */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-white);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    padding: 1rem;
    z-index: 998;
    justify-content: center;
}

/* Contact Page New Layout */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Tablet: 2 columns */
@media (min-width: 700px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 4 columns rule removed to enforce 2-column layout (2x2) on all large screens */

.contact-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: var(--color-accent);
}

.contact-icon-box {
    width: 80px;
    height: 80px;
    background: rgba(2, 132, 199, 0.1);
    color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.contact-card:hover .contact-icon-box {
    background: var(--color-accent);
    color: var(--color-white);
    transform: scale(1.1);
}

.contact-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.contact-card p,
.contact-card a {
    font-size: 1.1rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* Media Queries */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

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

    .mobile-cta {
        display: flex;
    }

    body {
        padding-bottom: 60px;
        /* Space for sticky CTA */
    }

    /* Working Hours Polish */
    .hours-list {
        width: 100%;
        max-width: 240px;
        margin-top: 0.5rem;
    }

    .hours-row {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 1rem;
    }

    .hours-row:last-child {
        border-bottom: none;
    }

    .hours-row .day {
        font-weight: 600;
        color: var(--color-primary);
    }

    .hours-row .time {
        color: var(--color-text-light);
        font-variant-numeric: tabular-nums;
    }
}

/* Utilities (Refactored from inline styles) */
.w-full {
    width: 100%;
}

.m-auto {
    margin: 0 auto;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mt-1 {
    margin-top: 1rem;
}

.mt-2 {
    margin-top: 2rem;
}

.mt-3 {
    margin-top: 3rem;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

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

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

.d-block {
    display: block;
}

.d-inline-block {
    display: inline-block;
}

.max-w-800 {
    max-width: 800px;
}

.fs-1-1 {
    font-size: 1.1rem;
}

.shadow-sm {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.border-left-accent {
    border-left: 4px solid var(--color-accent);
}

.bg-white {
    background-color: white;
}

.p-3 {
    padding: 1.5rem;
}

.rounded {
    border-radius: 8px;
}

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

.check-icon {
    margin-right: 0.5rem;
    color: var(--color-accent);
}

.card-btn {
    width: 100%;
}