/* reset and base styles */
:root {
    --bg-primary: #ffffff;
    --text-primary: #0a0a0a;
    --text-secondary: #777777;
    --border-color: #eaeaea;
    --accent-metallic: linear-gradient(135deg, #c0c0c0, #f0f0f0, #a0a0a0);
    --font-main: 'Inter', sans-serif;
    --ease-slow: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-standard: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 1.2s var(--ease-slow);
    --transition-medium: 0.5s var(--ease-standard);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.4;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* TYPOGRAPHY */
.headline-large {
    font-size: clamp(2rem, 5vw, 4.5rem);
    font-weight: 400;
    letter-spacing: -0.03em;
    line-height: 1.1;
    max-width: 90%;
}

.text-large {
    font-size: clamp(1.5rem, 3.5vw, 3rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.2;
    max-width: 900px;
}

.text-medium {
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text-secondary);
}

.text-regular {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    line-height: 1.6;
}

.fade-text {
    color: var(--text-secondary);
}

.italic {
    font-style: italic;
    font-weight: 300;
}

/* LAYOUT */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.section {
    padding: 10vh 0;
    position: relative;
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 5%;
    z-index: 100;
    mix-blend-mode: difference;
    color: #fff; /* For mix-blend-mode against white bg */
    pointer-events: none; /* Let clicks pass through except on child elements */
}

.header > * {
    pointer-events: auto;
}

.logo-container {
    width: 120px;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-video {
    width: 100%;
    height: auto;
    object-fit: contain;
    filter: invert(1); /* Invert logo if it's black so mix-blend-mode makes it visible */
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.lang-btn {
    opacity: 0.4;
    transition: opacity var(--transition-medium);
}

.lang-btn.active {
    opacity: 1;
}

.lang-btn:hover {
    opacity: 0.8;
}

.divider {
    opacity: 0.2;
}

/* ABOUT SECTION */
.about {
    min-height: 80vh;
    display: flex;
    align-items: center;
    padding-top: 15vh;
}

/* TRUST SECTION */
.trust {
    padding-top: 5vh;
    padding-bottom: 5vh;
}

/* VALUE SECTION */
.value {
    padding-top: 5vh;
    padding-bottom: 15vh;
}

/* PORTFOLIO CAROUSEL */
.portfolio {
    padding: 0;
    width: 100%;
    overflow: hidden;
}

.carousel-container {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE and Edge */
    cursor: grab;
}

.carousel-container::-webkit-scrollbar {
    display: none;
}

.carousel-container:active {
    cursor: grabbing;
}

.carousel-track {
    display: flex;
    gap: 2vw;
    padding: 0 5%;
    width: max-content;
    height: clamp(300px, 60vh, 700px); /* Fixed height for the row */
}

.carousel-item {
    height: 100%;
    width: auto; /* Let content dictate width */
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
    background-color: transparent;
}

.media-wrapper {
    height: 100%;
    width: auto;
    display: block;
    position: relative;
    overflow: hidden;
}

.portfolio-media {
    height: 100%;
    width: auto;
    max-width: 100vw; /* Prevent extreme widths */
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.carousel-item:hover .portfolio-media {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 40%);
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.carousel-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h2 {
    color: #fff;
    font-size: clamp(1rem, 1.5vw, 1.5rem);
    font-weight: 400;
    letter-spacing: -0.01em;
    transform: translateY(10px);
    transition: transform var(--transition-medium);
}

.carousel-item:hover .portfolio-overlay h2 {
    transform: translateY(0);
}

/* EXPERIMENTAL SECTION */
.experimental {
    padding: 20vh 0;
    text-align: center;
}

/* PROCESS SECTION */
.process {
    padding: 10vh 0;
    border-top: 1px solid var(--border-color);
}

.process-list {
    display: flex;
    flex-direction: column;
}

.process-list li {
    display: flex;
    align-items: baseline;
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    letter-spacing: -0.02em;
    transition: color var(--transition-medium), padding-left var(--transition-medium);
}

.process-list li:hover {
    color: var(--text-secondary);
    padding-left: 2rem;
}

.process-num {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-right: 3rem;
    font-family: monospace;
}

/* CONTACT SECTION */
.contact {
    padding: 15vh 0;
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.contact h2 {
    margin-bottom: 4rem;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 4rem;
    align-items: flex-start;
}

.cta-primary, .cta-secondary {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border-radius: 2px;
    transition: all var(--transition-medium);
}

.cta-primary {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 500;
}

.cta-primary:hover {
    background: var(--text-secondary);
    color: var(--bg-primary);
}

.cta-secondary {
    background: transparent;
    color: var(--bg-primary);
    border: 1px solid rgba(255,255,255,0.2);
}

.cta-secondary:hover {
    border-color: var(--bg-primary);
}

.contact-email {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
}

.contact-subtext {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}

/* FOOTER */
.footer {
    padding: 4rem 0 2rem;
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.85rem;
}

.legal-toggles {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.legal-toggle-btn {
    color: rgba(255,255,255,0.5);
    transition: color var(--transition-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.75rem;
}

.legal-toggle-btn:hover, .legal-toggle-btn.active {
    color: #fff;
}

.legal-content {
    margin-bottom: 3rem;
}

.legal-section {
    display: none;
    max-width: 800px;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
}

.legal-section.active {
    display: block;
    animation: fadeIn 0.5s ease forwards;
}

.legal-section p {
    margin-bottom: 1rem;
}

.copyright {
    color: rgba(255,255,255,0.3);
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* COOKIE BANNER */
.cookie-banner {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(150%);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.05);
    z-index: 1000;
    width: 90%;
    max-width: 800px;
    opacity: 0;
    transition: transform var(--transition-slow), opacity var(--transition-slow);
}

.cookie-banner.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.cookie-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.cookie-content a {
    color: var(--text-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.85rem;
    transition: all var(--transition-medium);
}

.cookie-btn.primary {
    background-color: var(--text-primary);
    color: var(--bg-primary);
}

.cookie-btn.primary:hover {
    background-color: var(--text-secondary);
}

.cookie-btn.secondary {
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.cookie-btn.secondary:hover {
    border-color: var(--text-primary);
}

/* FORM MODAL */
.form-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none; /* hidden state */
}

.form-modal.show {
    pointer-events: auto;
}

.form-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(255, 255, 255, 0.95);
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.form-modal.show .form-backdrop {
    opacity: 1;
}

.form-container {
    position: relative;
    width: 90%;
    max-width: 600px;
    background-color: var(--bg-primary);
    padding: 4rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.08);
    transform: translateY(50px);
    opacity: 0;
    transition: all var(--transition-medium);
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.form-modal.show .form-container {
    transform: translateY(0);
    opacity: 1;
}

.form-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-secondary);
    transition: color var(--transition-medium);
}

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

.custom-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: flex;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.form-group.half {
    flex: 1;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    transition: border-color var(--transition-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-bottom-color: var(--text-primary);
}

.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: "▼";
    font-size: 0.6rem;
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--text-secondary);
}

.form-group select {
    appearance: none;
    cursor: pointer;
    padding-right: 2rem;
}

.form-submit {
    margin-top: 1rem;
    align-self: flex-start;
}

.form-success {
    text-align: center;
    padding: 3rem 0;
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    color: #27ae60;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .carousel-track {
        height: clamp(250px, 45vh, 400px);
    }
    .process-list li {
        padding: 1.5rem 0;
    }
    .process-num {
        margin-right: 1.5rem;
    }
    .legal-toggles {
        flex-direction: column;
        gap: 1rem;
    }
    .cookie-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 1.5rem;
        bottom: 1rem;
    }
    .cookie-actions {
        width: 100%;
        justify-content: space-between;
    }
    .cookie-btn {
        width: 48%;
        text-align: center;
    }
    .form-container {
        padding: 2rem;
        width: 95%;
    }
    .form-row {
        flex-direction: column;
        gap: 1.5rem;
    }
}