@import 'variables.css';

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

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

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

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    font-size: 2rem;
    color: var(--color-secondary);
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--border-radius);
    /* Rounded */
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.btn:hover {
    background-color: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

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

/* Header */
.header {
    background-color: var(--color-bg-card);
    /* Darker header */
    box-shadow: 0 4px 20px var(--color-shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

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

.lang-btn {
    background: none;
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    color: var(--color-primary);
    transition: all 0.2s;
}

.lang-btn:hover {
    background-color: var(--color-bg-alt);
    border-color: var(--color-primary);
}

/* Hero */
.hero {
    margin-top: var(--header-height);
    /* Subtle dark gradient */
    background: radial-gradient(circle at top right, #2d2d30 0%, var(--color-bg) 100%);
    text-align: center;
    padding: 8rem 0;
}

.hero__title {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(to right, var(--color-secondary), var(--color-primary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.hero__subtitle {
    font-size: 1.5rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
}

.hero__actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn i {
    margin-right: 0.5rem;
}

/* About */
.about__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.about__card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px var(--color-shadow);
    transition: transform 0.3s;
}

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

.about__icon {
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.interests {
    text-align: center;
}

.interests__list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.interests__list li {
    background-color: var(--color-bg-alt);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
}

/* Skills */
.skills__category {
    margin-bottom: var(--spacing-lg);
}

.skills__items {
    max-width: 600px;
    margin: 0 auto;
}

.skill-item {
    margin-bottom: var(--spacing-sm);
}

.skill-bar {
    height: 8px;
    background-color: var(--color-border);
    border-radius: 4px;
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary), var(--color-primary));
    border-radius: 4px;
}

.skills__list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Projects */
.projects__filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg-card);
    color: var(--color-text-light);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn.active,
.filter-btn:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
    box-shadow: 0 0 15px rgba(0, 122, 204, 0.4);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    /* Mobile first: 1 column */
    gap: var(--spacing-md);
}

@media (min-width: 1024px) {
    .projects__grid {
        grid-template-columns: repeat(3, 1fr);
        /* Desktop: 3 columns */
    }
}

.project-card {
    background: var(--gradient-card);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: 0 10px 20px var(--color-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
}

.project-card:hover {
    transform: translateY(-10px);
    background: var(--gradient-card-hover);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--color-primary);
}

.project-card {
    position: relative;
    /* Ensure absolute positioning of badge works */
    overflow: hidden;
    /* Keep badge inside rounded corners */
}

.project-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-bottom-left-radius: 10px;
    box-shadow: -2px 2px 5px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

.project-card__header {
    display: flex;
    /* Side by side icon and title */
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.project-icon {
    font-size: 2rem;
    color: var(--color-accent);
    background: rgba(240, 173, 78, 0.1);
    padding: 10px;
    border-radius: 10px;
}

.project-card h3 {
    font-size: 1.2rem;
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.3;
}

.project-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    flex-grow: 1;
    /* Pushes tags to bottom */
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: auto;
}

.tag {
    font-size: 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-primary);
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

/* Project Card Download Slide-out */
.project-card__download {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    margin-top: 0;
}

.project-card.is-active .project-card__download {
    max-height: 100px;
    opacity: 1;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.btn-download-slide {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: var(--border-radius);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    box-shadow: 0 4px 15px rgba(0, 122, 204, 0.3);
}

.btn-download-slide:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 122, 204, 0.5);
}

.btn-download-slide i {
    font-size: 1.1rem;
}

/* Contact */
.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

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

.contact__list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
}

.contact__list i {
    width: 24px;
    color: var(--color-primary);
    font-size: 1.3rem;
}

.contact__list a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.form-control {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    border-radius: var(--border-radius);
    transition: border-color 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.2);
}

/* Footer */
.footer {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-light);
    text-align: center;
    padding: var(--spacing-md) 0;
}

/* Responsive */
@media (max-width: 768px) {
    .header__container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav__list {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .hero__title {
        font-size: 2rem;
    }
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    background: var(--color-bg-card);
    width: 90%;
    max-width: 600px;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    z-index: 2001;
    border: 1px solid var(--color-border);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    max-height: 90vh;
    overflow-y: auto;
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-light);
    cursor: pointer;
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-title {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.modal-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.modal-desc {
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.modal-download {
    display: block;
    /* Changed from flex to block to accommodate list */
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

.modal-files-title {
    font-size: 1.1rem;
    color: var(--color-text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.modal-files-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--color-bg);
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
    transition: border-color 0.2s;
}

.file-item:hover {
    border-color: var(--color-primary);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-icon {
    font-size: 1.5rem;
    color: var(--color-secondary);
}

.file-name {
    font-weight: 600;
    color: var(--color-text);
    font-size: 0.95rem;
}

.file-type {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.modal-separator {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1rem 0;
}

/* Ensure buttons wrapper inside modal-download still works if needed */
.modal-download .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

/* Mobile Drawer Style */
@media (max-width: 768px) {
    .modal {
        align-items: flex-end;
    }

    .modal-content {
        width: 100%;
        max-width: 100%;
        margin: 0;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        transform: translateY(100%);
        transition: transform 0.3s ease-out;
        padding-bottom: 3rem;
        /* Safe area for mobiles */
    }

    .modal.active .modal-content {
        transform: translateY(0);
    }
}

/* --- Project Details Section --- */
.project-details {
    background-color: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    border-bottom: 2px solid var(--color-primary);
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-in-out;
}

.project-details.hidden {
    display: none;
}

.project-details__container {
    padding: var(--spacing-lg) var(--spacing-sm);
    position: relative;
    animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

.project-details__close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--color-text);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.project-details__close:hover {
    background: var(--color-primary);
    transform: rotate(90deg);
}

.project-details__layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

@media (max-width: 992px) {
    .project-details__layout {
        grid-template-columns: 1fr;
    }
}

/* Slider */
.slider {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: var(--color-bg-card);
    box-shadow: 0 10px 30px var(--color-shadow);
    border: 1px solid var(--color-border);
}

.slider__track {
    display: flex;
    height: 100%;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.slider__image {
    min-width: 100%;
    height: 100%;
    object-fit: contain;
    /* Changed from cover to show full documentation pages */
    background-color: #1e1e1e;
    /* Dark background to contrast with white schematics */
}

.slider__btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 5;
    opacity: 0;
}

.slider:hover .slider__btn {
    opacity: 1;
}

.slider__btn:hover {
    background: var(--color-primary);
    transform: translateY(-50%) scale(1.1);
}

.slider__btn--prev {
    left: 1rem;
}

.slider__btn--next {
    right: 1rem;
}

.slider__dots {
    position: absolute;
    bottom: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
    z-index: 5;
    background: rgba(0, 0, 0, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    backdrop-filter: blur(5px);
}

.slider__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s;
}

.slider__dot.active {
    background: var(--color-primary);
    width: 20px;
    border-radius: 5px;
}

/* Info */
.project-details__title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--color-secondary), var(--color-text));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.project-details__tags {
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.project-details__description-full {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.project-details__description-full strong {
    color: var(--color-accent);
}

.project-details__links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}