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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-dark-grey);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

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

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

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* Page routing */
.page {
    display: none;
    opacity: 1;
    transition: opacity 0.2s ease;
    will-change: opacity;
}

.page.active {
    display: block;
}

.page--enter {
    opacity: 0;
}

.page--exit {
    opacity: 0;
}

@media (prefers-reduced-motion: reduce) {
    .page {
        transition: none;
    }
}

/* Utilities */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-sm);
        /* ponytail: side gutter knob */
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-black);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--color-white);
    border-bottom: 1px solid var(--color-light-grey);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.nav.scrolled {
    box-shadow: var(--shadow-nav);
}

.nav__container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-black);
    letter-spacing: -0.03em;
}

.nav__menu {
    display: flex;
    gap: var(--space-md);
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-dark-grey);
    padding: var(--space-xs) 0;
    position: relative;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-black);
    transition: width var(--transition-normal);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-black);
}

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

.nav__right {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav__lang {
    display: flex;
    gap: var(--space-xs);
}

.nav__lang-btn {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-medium-grey);
    padding: 4px 8px;
    border-radius: 3px;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.nav__lang-btn:hover {
    color: var(--color-dark-grey);
}

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

.nav__social {
    display: flex;
    gap: var(--space-sm);
}

.nav__social-link {
    color: var(--color-medium-grey);
    transition: color var(--transition-fast);
    display: flex;
}

.nav__social-link:hover {
    color: var(--color-black);
}

.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    z-index: 1001;
}

.nav__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-black);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

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

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

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

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu__nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.mobile-menu__link {
    font-family: var(--font-heading);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-black);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mobile-menu__lang {
    display: flex;
    gap: var(--space-sm);
}

.mobile-menu__lang-btn {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-medium-grey);
    padding: 6px 12px;
    border-radius: 3px;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.mobile-menu__lang-btn.active {
    color: var(--color-white);
    background: var(--color-black);
}

.mobile-menu__social {
    display: flex;
    gap: var(--space-md);
}

.mobile-menu__social a {
    color: var(--color-dark-grey);
    display: flex;
}

/* ===== SITE BANNER (permanent, below fixed nav) ===== */
.site-banner {
    width: 100%;
    margin-top: var(--nav-height);
    overflow: hidden;
}

.site-banner__img {
    width: 100%;
    height: clamp(200px, 28vw, 360px);
    object-fit: cover;
    display: block;
}

body.route-project .site-banner {
    display: none;
}
/* ===== PORTFOLIO ===== */
.portfolio {
    padding: var(--section-padding) 0;
}

.portfolio__filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.portfolio__filter {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-medium-grey);
    padding: var(--space-xs) var(--space-sm);
    position: relative;
    transition: color var(--transition-fast);
}

.portfolio__filter::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-sm);
    right: var(--space-sm);
    height: 2px;
    background: var(--color-black);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.portfolio__filter:hover {
    color: var(--color-dark-grey);
}

.portfolio__filter.active {
    color: var(--color-black);
}

.portfolio__filter.active::after {
    transform: scaleX(1);
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

.portfolio__item {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.portfolio__item.hidden {
    opacity: 0;
    transform: scale(0.95);
    position: absolute;
    pointer-events: none;
    width: 0;
    height: 0;
    overflow: hidden;
}

.portfolio__image {
    aspect-ratio: 16 / 9;
    background: var(--placeholder-bg, linear-gradient(135deg, #333, #666));
    overflow: hidden;
}

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

.portfolio__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    padding: var(--space-sm);
}

.portfolio__item:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__item-title {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--space-xs);
}

.portfolio__item-cat {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== ABOUT ===== */
.about {
    padding-bottom: var(--section-padding);
    background: var(--color-white);
}

.about .container {
    padding-top: var(--space-lg);
}

.about__layout {
    display: grid;
    grid-template-columns: 3fr 2fr;
        /* ponytail: text:image ratio knob */
        gap: var(--space-xl);
    align-items: stretch;
}

.about__content {
    text-align: justify;
}

.about__text {
    margin-bottom: var(--space-sm);
    color: var(--color-dark-grey);
    line-height: 1.8;
}

.about__text:last-child {
    margin-bottom: 0;
}

.div-img-quisoc {
    position: relative;
}

.img-quisoc {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
        object-position: center 26%;
    border-radius: 4px;
    display: block;
}

@media (max-width: 1200px) {
    .about__layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .div-img-quisoc {
        position: static;
        max-width: 500px;
        margin: 0 auto;
    }

    .img-quisoc {
        position: static;
        height: auto;
    }
}

/* ===== CONTACT ===== */
.contact {
    padding: var(--section-padding) 0;
    background: var(--color-white);
    color: var(--color-dark-grey);
}

#contacta-home {
    padding-top: 0;
}

#page-contacta .contact {
    padding-top: var(--section-padding);
    padding-bottom: var(--section-padding);
}

.contact .section-title {
    color: var(--color-black);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact__form-wrapper {
    padding-top: calc(var(--space-lg) + var(--space-md));
}

.contact__subtitle {
    color: var(--color-dark-grey);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

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

.contact__detail {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--color-dark-grey);
}

.contact__detail a {
    transition: color var(--transition-fast);
}

.contact__detail a:hover {
    color: var(--color-black);
}

.contact__detail svg {
    color: var(--color-medium-grey);
    flex-shrink: 0;
}

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

.contact__social-link {
    color: var(--color-medium-grey);
    transition: color var(--transition-fast);
    display: flex;
}

.contact__social-link:hover {
    color: var(--color-black);
}

/* Contact Form */
.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__field {
    position: relative;
}

.contact__field input,
.contact__field textarea {
    width: 100%;
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    padding: var(--space-sm) 0;
    border: none;
    border-bottom: 1px solid var(--color-light-grey);
    background: transparent;
    color: var(--color-dark-grey);
    outline: none;
    transition: border-color var(--transition-fast);
}

.contact__field input:focus,
.contact__field textarea:focus {
    border-color: var(--color-black);
}

.contact__field label {
    position: absolute;
    top: var(--space-sm);
    left: 0;
    font-size: var(--font-size-sm);
    color: var(--color-medium-grey);
    pointer-events: none;
    transition: transform var(--transition-fast), font-size var(--transition-fast), color var(--transition-fast);
    transform-origin: left;
}

.contact__field input:focus ~ label,
.contact__field input:not(:placeholder-shown) ~ label,
.contact__field textarea:focus ~ label,
.contact__field textarea:not(:placeholder-shown) ~ label {
    transform: translateY(-1.5rem);
    font-size: 0.75rem;
    color: var(--color-black);
}

.contact__field input::placeholder,
.contact__field textarea::placeholder {
    color: transparent;
}

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

.contact__submit {
    align-self: flex-start;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-black);
    color: var(--color-white);
    border-radius: 3px;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.contact__submit:hover {
    background: var(--color-dark-grey);
    transform: translateY(-2px);
}

.contact__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.contact__feedback {
    margin-top: var(--space-sm);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.contact__feedback--ok {
    color: #2e7d32;
}

.contact__feedback--error {
    color: #c0392b;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-black);
    padding: var(--space-lg) 0;
}

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

.footer__social {
    display: flex;
    gap: var(--space-md);
}

.footer__social a {
    color: var(--color-medium-grey);
    display: flex;
    transition: color var(--transition-fast);
}

.footer__social a:hover {
    color: var(--color-white);
}

.footer__copy {
    font-size: var(--font-size-sm);
    color: var(--color-medium-grey);
}

/* ===== MODAL ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.modal__content {
    position: relative;
    width: 95vw;
    max-width: min(1400px, 95vw);
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.modal__close {
    position: absolute;
    top: -40px;
    right: 0;
    color: var(--color-white);
    padding: 8px;
    transition: transform var(--transition-fast);
    z-index: 10;
}

.modal__close:hover {
    transform: scale(1.2);
}

.modal__title {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--space-md);
    text-align: center;
}

/* ===== CAROUSEL ===== */
.carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 4px;
}

.carousel__track {
    display: flex;
    transition: transform 0.4s ease;
}

.carousel__slide {
    min-width: 100%;
    height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.05em;
    overflow: hidden;
}

.carousel__slide--image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.carousel__slide--video {
    width: 100%;
    aspect-ratio: 16 / 9;
    max-height: 80vh;
}

.carousel__slide--video iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.carousel__prev,
.carousel__next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.carousel__prev:hover,
.carousel__next:hover {
    background: rgba(0, 0, 0, 0.6);
    border-color: rgba(255, 255, 255, 0.6);
}

.carousel__prev {
    left: clamp(8px, 2vw, 32px);
}

.carousel__next {
    right: clamp(8px, 2vw, 32px);
}

.carousel__dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: var(--space-md);
}

.carousel__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    padding: 0;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.carousel__dot.active {
    background: var(--color-white);
    border-color: var(--color-white);
}

.carousel__counter {
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-top: var(--space-sm);
    letter-spacing: 0.1em;
}

/* ===== PROJECT DETAIL ===== */
.project-detail {
    /* ponytail: nav-height clears the fixed nav (no site-banner on detail); space-sm is the visual gap knob */
        padding-top: calc(var(--nav-height) + var(--space-sm));
    padding-bottom: var(--section-padding);
}

.project-detail__back {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-medium-grey);
    margin-bottom: var(--space-md);
    transition: color var(--transition-fast);
}

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

.project-detail__title {
    font-family: var(--font-heading);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-black);
    line-height: 1.2;
}

.project-detail__cat {
    display: block;
    font-family: var(--font-heading);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-medium-grey);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: var(--space-xs);
}

.project-detail__description {
    max-width: 720px;
    margin-top: var(--space-md);
    color: var(--color-dark-grey);
    line-height: 1.8;
}

.project-detail__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--grid-gap);
    margin-top: var(--space-md);
}

.project-detail__tile {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    background: linear-gradient(135deg, #333, #666);
}

/* Feature the videos (they come first in the media order). */
/* Single video: full-width hero across the top. */
.project-detail__grid--one-video .project-detail__tile--video {
    grid-column: 1 / -1;
}

/* Two videos: each spans half the row, side by side. */
.project-detail__grid--two-videos .project-detail__tile--video {
    grid-column: span 1;
}

.project-detail__tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-detail__tile:hover img {
    transform: scale(1.05);
}

.project-detail__play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    border: 2px solid rgba(255, 255, 255, 0.85);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.project-detail__tile--video:hover .project-detail__play {
    background: rgba(0, 0, 0, 0.75);
    transform: translate(-50%, -50%) scale(1.1);
}

/* ===== LEGAL PAGES ===== */
.legal {
    padding: var(--section-padding) 0;
}

.legal .container {
    max-width: 800px;
}

.legal h2 {
    font-family: var(--font-heading);
    font-size: var(--font-size-lg);
    color: var(--color-black);
    margin: var(--space-lg) 0 var(--space-sm);
}

.legal p,
.legal li {
    color: var(--color-dark-grey);
    line-height: 1.8;
}

.legal ul {
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
}

/* ===== CONSENT CHECKBOX ===== */
.contact__consent {
    display: flex;
    align-items: flex-start;
    gap: var(--space-xs);
    font-size: var(--font-size-sm);
    color: var(--color-medium-grey);
    margin-bottom: var(--space-md);
    cursor: pointer;
}

.contact__consent input {
    margin-top: 3px;
    flex-shrink: 0;
}

.contact__consent a {
    color: var(--color-black);
    text-decoration: underline;
}

/* ===== FOOTER LEGAL LINKS ===== */
.footer__legal {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer__legal a {
    color: var(--color-medium-grey);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--color-white);
}