/* ==========================================================================
   Meubel Mans - Stylesheet
   Modern, minimalistisch design | Mobile-first
   ========================================================================== */

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

:root {
    --color-black: #1a1a1a;
    --color-white: #ffffff;
    --color-gray-light: #f5f5f5;
    --color-gray: #888888;
    --color-gray-dark: #333333;

    --font-primary: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    --max-width: 1200px;
    --header-height: 220px;
}

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-light);
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* Typography
   ========================================================================== */
h1, h2, h3 {
    font-weight: var(--font-weight-light);
    line-height: 1.2;
    letter-spacing: 0.02em;
}

h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-sm);
}

.text-large {
    font-size: 1.25rem;
    line-height: 1.8;
}

.text-small {
    font-size: 0.875rem;
    color: var(--color-gray);
}

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

/* Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

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

.section--hero {
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Header & Navigation
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--color-white);
    z-index: 1000;
    border-bottom: 1px solid var(--color-gray-light);
}

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

.logo {
    height: 200px;
    width: auto;
}

.logo img {
    height: 100%;
    width: auto;
}

/* Mobile Navigation */
.nav-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-black);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

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

.nav__link {
    font-size: 1.5rem;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: var(--spacing-xs) 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-black);
    transition: width 0.3s ease;
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* Main Content
   ========================================================================== */
main {
    margin-top: var(--header-height);
}

/* Hero Section
   ========================================================================== */
.hero {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-sm);
}

.hero__title {
    font-size: 2.5rem;
    font-weight: var(--font-weight-light);
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
    font-size: 1rem;
    color: var(--color-gray);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.hero__description {
    max-width: 600px;
    margin: 0 auto var(--spacing-md);
}

/* Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: var(--font-weight-normal);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border: 1px solid var(--color-black);
    background-color: transparent;
    color: var(--color-black);
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

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

/* Project Grid
   ========================================================================== */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.project-card {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    background-color: var(--color-gray-light);
    display: block;
    cursor: pointer;
}

.project-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-card__overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-sm);
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: var(--color-white);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.project-card:hover .project-card__overlay {
    transform: translateY(0);
}

.project-card__title {
    font-size: 1rem;
    font-weight: var(--font-weight-normal);
    margin-bottom: var(--spacing-xs);
}

.project-card__category {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.8;
}

/* Featured Projects (Home)
   ========================================================================== */
.featured-projects {
    background-color: var(--color-gray-light);
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section__title {
    font-size: 1.75rem;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.section__subtitle {
    color: var(--color-gray);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* About Section
   ========================================================================== */
.about-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-image {
    aspect-ratio: 1;
    background-color: var(--color-gray-light);
    overflow: hidden;
}

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

.about-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-text h1 {
    margin-bottom: var(--spacing-sm);
}

.values-list {
    margin-top: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.value-item {
    padding-left: var(--spacing-sm);
    border-left: 2px solid var(--color-black);
}

.value-item h3 {
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-xs);
}

/* Contact Section
   ========================================================================== */
.contact-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-info h1 {
    margin-bottom: var(--spacing-md);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-item__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
}

.contact-item__value {
    font-size: 1.125rem;
}

.contact-item__value a:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 1px solid var(--color-gray-light);
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--color-white);
    transition: border-color 0.3s ease;
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

/* Footer
   ========================================================================== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    text-align: center;
}

.footer__logo {
    height: 200px;
}

.footer__logo img {
    height: 100%;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer__nav {
    display: flex;
    gap: var(--spacing-md);
}

.footer__nav a {
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer__nav a:hover {
    opacity: 1;
}

.footer__copyright {
    font-size: 0.75rem;
    opacity: 0.6;
}

.footer__region {
    font-size: 0.75rem;
    opacity: 0.6;
    margin-top: calc(-1 * var(--spacing-sm));
}

/* Page Headers
   ========================================================================== */
.page-header {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid var(--color-gray-light);
}

.page-header__title {
    font-size: 2rem;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.page-header__subtitle {
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* Placeholder for images
   ========================================================================== */
.placeholder-image {
    background-color: var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    font-size: 0.875rem;
}

/* ==========================================================================
   Tablet Styles (768px+)
   ========================================================================== */
@media (min-width: 768px) {
    :root {
        --header-height: 260px;
    }

    .logo {
        height: 220px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero__title {
        font-size: 3.5rem;
    }

    .hero__subtitle {
        font-size: 1.125rem;
    }

    /* Navigation - tablet */
    .nav-toggle {
        display: none;
    }

    .nav {
        position: static;
        flex-direction: row;
        gap: var(--spacing-md);
        transform: none;
        background: transparent;
    }

    .nav__link {
        font-size: 0.875rem;
    }

    /* Projects grid - 2 columns */
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    /* About layout */
    .about-content {
        flex-direction: row;
        gap: var(--spacing-lg);
    }

    .about-image {
        flex: 1;
        aspect-ratio: auto;
        min-height: 400px;
    }

    .about-text {
        flex: 1;
    }

    /* Contact layout */
    .contact-content {
        flex-direction: row;
    }

    .contact-info,
    .contact-form-wrapper {
        flex: 1;
    }

    /* Footer */
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }

    .footer__copyright,
    .footer__region {
        margin-top: 0;
    }
}

/* ==========================================================================
   Desktop Styles (1024px+)
   ========================================================================== */
@media (min-width: 1024px) {
    .section {
        padding: var(--spacing-xl) 0;
    }

    .hero__title {
        font-size: 4rem;
    }

    /* Projects grid - 3 columns */
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .projects-grid--featured .project-card:first-child {
        grid-column: span 2;
        aspect-ratio: 21/9;
    }

    /* Larger about section */
    .about-content {
        gap: var(--spacing-xl);
    }

    .about-image {
        min-height: 500px;
    }
}

/* Project Detail Page
   ========================================================================== */
.project-detail {
    max-width: 900px;
    margin: 0 auto;
}

.project-header {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.project-header__back {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.project-header__back:hover {
    color: var(--color-black);
}

.project-header__title {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.project-header__category {
    font-size: 0.875rem;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.project-description {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.project-description p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 0;
}

.project-gallery {
    padding: var(--spacing-md) 0 var(--spacing-lg);
}

.project-gallery__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
}

.project-gallery__item {
    aspect-ratio: 4/3;
    background-color: var(--color-gray-light);
    overflow: hidden;
    cursor: pointer;
}

.project-gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-gallery__item--main {
    aspect-ratio: 16/10;
}

.project-nav {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-gray-light);
}

.project-nav__link {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
}

.project-nav__link span:first-child {
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
}

.project-nav__link:hover span:last-child {
    text-decoration: underline;
}

.project-nav__link--next {
    text-align: right;
}

/* ==========================================================================
   Large Desktop Styles (1400px+)
   ========================================================================== */
@media (min-width: 1400px) {
    :root {
        --max-width: 1400px;
    }

    .hero__title {
        font-size: 5rem;
    }
}

/* ==========================================================================
   Project Detail - Tablet (768px+)
   ========================================================================== */
@media (min-width: 768px) {
    .project-header__title {
        font-size: 2.5rem;
    }

    .project-gallery__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .project-gallery__item--main {
        grid-column: span 2;
        aspect-ratio: 16/9;
    }
}

/* ==========================================================================
   Lightbox
   ========================================================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    cursor: pointer;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox__image {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
}

.lightbox__close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__close::before,
.lightbox__close::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 2px;
    background-color: var(--color-white);
}

.lightbox__close::before {
    transform: rotate(45deg);
}

.lightbox__close::after {
    transform: rotate(-45deg);
}

.lightbox__close:hover::before,
.lightbox__close:hover::after {
    background-color: var(--color-gray);
}