/* ========================================
   CONTENT RHYTHM (.site-main: Home & About)
   Default spacing for headings, paragraphs and
   labels inside <main class="site-main">.
   Home and About rely on it: removing it changes
   their layout.
   ======================================== */

.site-main .label {
    margin-bottom: var(--space-4);
    color: var(--color-ice-blue);
}

.site-main h1,
.site-main h2,
.site-main h3,
.site-main h4 {
    margin-bottom: var(--space-6);
}

.site-main p + p {
    margin-top: var(--space-4);
}

.site-main .display-xl {
    margin-bottom: var(--space-6);
}

.site-main .body-lg {
    max-width: 42rem;
}

/* ========================================
   BUTTONS & LINKS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);

    min-height: 3rem;
    padding-inline: var(--space-6);

    border: 1px solid transparent;
    border-radius: var(--radius-md);

    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1;

    cursor: pointer;

    transition:
        background-color var(--duration-base) var(--ease-ui),
        border-color var(--duration-base) var(--ease-ui),
        color var(--duration-base) var(--ease-ui),
        transform var(--duration-base) var(--ease-ui),
        box-shadow var(--duration-base) var(--ease-ui);
}

/* Primary */

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

.btn--primary:hover {
    background: var(--color-purple-strong);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgb(var(--color-purple-rgb) / 0.2);
}

.btn--primary:active {
    transform: translateY(0) scale(0.98);
    box-shadow: none;
}

/* Secondary */

.btn--secondary {
    border-color: var(--color-border);
    background: transparent;
    color: var(--color-text-primary);
}

.btn--secondary:hover {
    border-color: var(--color-text-secondary);
    background: var(--color-surface-2);
}

.btn--secondary:active {
    transform: scale(0.98);
}

/* Arrow */

.btn__arrow,
.text-link__arrow {
    transition: transform var(--duration-base) var(--ease-ui);
}

.btn:hover .btn__arrow {
    transform: translateX(4px);
}

/* Text link */

.text-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);

    color: var(--color-text-primary);

    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);

    transition: color var(--duration-base) var(--ease-ui);
}

.text-link:hover {
    color: var(--color-purple);
}

.text-link:hover .text-link__arrow {
    transform: translateX(4px);
}

/* Disabled */

.btn:disabled,
.btn[aria-disabled="true"] {
    opacity: 0.45;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
    box-shadow: none;
}

/* ========================================
   LABELS & TAGS
   ======================================== */

.section-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);

    color: var(--color-ice-blue);

    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 1.75rem;
    padding-inline: var(--space-3);

    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);

    color: var(--color-text-secondary);

    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    line-height: 1;
    letter-spacing: 0.04em;
}

.tag--brand {
    border-color: rgb(var(--color-purple-rgb) / 0.35);
    color: var(--color-purple-light);
}

.tag--tech {
    border-color: rgb(var(--color-ice-blue-rgb) / 0.3);
    color: var(--color-ice-blue);
}

/* ========================================
   SERVICE CARD
   ======================================== */

.service-card {
    position: relative;

    display: flex;
    flex-direction: column;

    min-height: 22rem;
    padding: var(--space-8);

    overflow: hidden;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);

    background: var(--color-surface-1);

    transition:
        background-color var(--duration-medium) var(--ease-ui),
        border-color var(--duration-medium) var(--ease-ui),
        transform var(--duration-medium) var(--ease-ui),
        box-shadow var(--duration-medium) var(--ease-ui);
}

.service-card:hover {
    background: var(--color-surface-2);
    border-color: rgb(var(--color-purple-rgb) / 0.45);

    transform: translateY(-4px);

    box-shadow:
        0 16px 40px rgb(0 0 0 / 0.2),
        0 0 32px rgb(var(--color-purple-rgb) / 0.08);
}

.service-card__number {
    margin-bottom: var(--space-16);

    color: var(--color-ice-blue);

    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.08em;
}

.service-card__title {
    margin-bottom: var(--space-4);

    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 1.75rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.15;
    letter-spacing: -0.01em;
}

.service-card__description {
    max-width: 32rem;
    margin-bottom: var(--space-8);

    color: var(--color-text-secondary);
}

.service-card__link {
    margin-top: auto;
}

.service-card:hover .text-link {
    color: var(--color-purple-light);
}

.service-card:hover .text-link__arrow {
    transform: translateX(4px);
}

/* ========================================
   PROJECT CARD
   ======================================== */

.project-card {
    display: block;
    max-width: 48rem;

    color: var(--color-text-primary);
}

.project-card__media {
    position: relative;

    aspect-ratio: 16 / 10;
    margin-bottom: var(--space-6);

    overflow: hidden;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-media);

    background: var(--color-surface-1);

    transition:
        border-color var(--duration-medium) var(--ease-ui),
        transform var(--duration-medium) var(--ease-ui),
        box-shadow var(--duration-medium) var(--ease-ui);
}

.project-card__image,
.project-card__media > * {
    transition:
        transform var(--duration-slow) var(--ease-reveal);
}

.project-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.project-card__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-2);

    color: var(--color-text-secondary);

    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.project-card__separator {
    color: var(--color-border);
}

.project-card__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.project-card__title {
    margin: 0;

    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 1.75rem);
    font-weight: var(--font-weight-semibold);
    line-height: 1.15;

    transition:
        color var(--duration-base) var(--ease-ui);
}

.project-card__arrow {
    flex-shrink: 0;

    color: var(--color-text-secondary);
    font-size: 1.25rem;

    transition:
        color var(--duration-base) var(--ease-ui),
        transform var(--duration-base) var(--ease-ui);
}

.project-card__description {
    max-width: 38rem;

    color: var(--color-text-secondary);
}

/* Interaction */

.project-card:hover .project-card__media {
    border-color: rgb(var(--color-purple-rgb) / 0.4);

    transform: translateY(-2px);

    box-shadow:
        0 16px 40px rgb(0 0 0 / 0.2),
        0 0 32px rgb(var(--color-purple-rgb) / 0.07);
}

.project-card:hover .project-card__media > * {
    transform: scale(1.03);
}

.project-card:hover .project-card__title {
    color: var(--color-purple-light);
}

.project-card:hover .project-card__arrow {
    color: var(--color-purple);
    transform: translateX(4px);
}

/* ========================================
   VIDEO CARD
   ======================================== */

.video-card {
    display: block;
    width: 100%;
    max-width: 22rem;

    color: var(--color-text-primary);
}

.video-card__media {
    position: relative;

    aspect-ratio: 9 / 16;
    margin-bottom: var(--space-6);

    overflow: hidden;

    border: 1px solid var(--color-border);
    border-radius: var(--radius-media);

    background: var(--color-surface-1);

    transition:
        border-color var(--duration-medium) var(--ease-ui),
        transform var(--duration-medium) var(--ease-ui),
        box-shadow var(--duration-medium) var(--ease-ui);
}

.video-card__media > * {
    transition:
        transform var(--duration-slow) var(--ease-reveal);
}

.video-card__overlay {
    position: absolute;
    inset: 0;

    display: flex;
    align-items: flex-end;

    padding: var(--space-6);

    background:
        linear-gradient(
            to top,
            rgb(var(--color-bg-rgb) / 0.85) 0%,
            rgb(var(--color-bg-rgb) / 0.15) 50%,
            transparent 75%
        );

    pointer-events: none;
}

.video-card__platform {
    color: var(--color-ice-blue);

    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.video-card__content,
.form-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.video-card__heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.video-card__title {
    margin: 0;

    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;

    transition:
        color var(--duration-base) var(--ease-ui);
}

.video-card__arrow {
    flex-shrink: 0;

    color: var(--color-text-secondary);

    transition:
        color var(--duration-base) var(--ease-ui),
        transform var(--duration-base) var(--ease-ui);
}

.video-card__description {
    color: var(--color-text-secondary);

    font-size: 0.875rem;
    line-height: 1.5;
}

/* Interaction */

.video-card:hover .video-card__media {
    border-color: rgb(var(--color-purple-rgb) / 0.4);

    transform: translateY(-4px);

    box-shadow:
        0 16px 40px rgb(0 0 0 / 0.2),
        0 0 32px rgb(var(--color-purple-rgb) / 0.07);
}

.video-card:hover .video-card__media > * {
    transform: scale(1.02);
}

.video-card:hover .video-card__title {
    color: var(--color-purple-light);
}

.video-card:hover .video-card__arrow {
    color: var(--color-purple);
    transform: translateX(4px);
}

.form-label {
    color: var(--color-text-primary);

    font-size: 0.875rem;
    font-weight: var(--font-weight-medium);
    line-height: 1.5;
}

.form-label__optional {
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-regular);
}

.form-control {
    width: 100%;
    min-height: 3.25rem;
    padding: 0 var(--space-4);

    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);

    background: var(--color-surface-1);
    color: var(--color-text-primary);

    font-family: var(--font-body);
    font-size: 1rem;

    transition:
        background-color var(--duration-base) var(--ease-ui),
        border-color var(--duration-base) var(--ease-ui),
        box-shadow var(--duration-base) var(--ease-ui);
}

.form-control::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

.form-control:hover {
    border-color: #3f3f4b;
}

.form-control:focus {
    border-color: var(--color-purple);
    outline: none;

    box-shadow: 0 0 0 3px rgb(var(--color-purple-rgb) / 0.12);
}

textarea.form-control {
    min-height: 10rem;
    padding-block: var(--space-4);

    resize: vertical;
}

/* Select */

select.form-control {
    cursor: pointer;
}

/* Error */

.form-field--error .form-control {
    border-color: var(--color-error);
}

.form-field--error .form-control:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.12);
}

.form-message {
    font-size: 0.75rem;
    line-height: 1.5;
}

.form-message--error {
    color: var(--color-error);
}

/* Success */

.form-field--success .form-control:focus {
    border-color: var(--color-success);
    box-shadow: 0 0 0 3px rgb(34 197 94 / 0.12);
}

.form-message--success {
    color: var(--color-success);
}

/* ========================================
   ACCESSIBILITY & REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;

        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;

        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }
}