@import url('./design-tokens.css');

*,
*::before,
*::after {
    box-sizing: border-box;
}

.site-shell {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    z-index: var(--z-index-dropdown);
    border-bottom: 1px solid var(--color-border-default);
    background: var(--shell-surface);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--color-text-contrast);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--color-secondary) 10%, transparent);
}

.dark .site-shell {
    color: var(--color-text-contrast-dark);
}

.dark .site-shell {
    border-color: var(--shell-border-dark);
    background: var(--shell-surface-dark);
    color: var(--color-text-contrast-dark);
}

.site-shell__inner {
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding-inline: var(--spacing-md);
}

.site-shell__bar {
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(0.5rem, 1.25vw, 1.25rem);
}

html {
    scroll-padding-top: var(--header-offset);
}

html :focus-visible {
    outline: 3px solid var(--color-focus) !important;
    outline-offset: 3px !important;
}

@media (max-width: 560px) {
    .site-cta--header-main {
        display: none !important;
    }
}

body {
    padding-top: var(--header-height);
}

main,
[id] {
    scroll-margin-top: var(--header-offset);
}

.site-wordmark {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: var(--color-text-contrast);
    text-decoration: none;
}

.site-wordmark__text {
    display: grid;
    gap: 0.15rem;
}

.site-eyebrow {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.site-title {
    font-family: var(--font-family-heading);
    font-size: clamp(0.95rem, 0.88rem + 0.22vw, 1.1rem);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.03em;
    max-width: 18ch;
}

.site-logo-image {
    display: block;
    width: auto;
    height: clamp(3rem, 5vw, 4.2rem);
    max-width: min(13rem, 32vw);
    object-fit: contain;
    filter: none;
}

.dark .site-wordmark {
    color: var(--color-text-contrast-dark);
}

.dark .site-eyebrow {
    color: var(--color-neutral-300);
}

.site-shell__cluster,
.site-shell__actions {
    display: flex;
    align-items: center;
}

.site-shell__cluster {
    display: flex;
    align-items: center;
    gap: clamp(0.4rem, 1vw, 1rem);
    margin-inline-start: auto;
    min-width: 0;
}

.site-shell__actions {
    gap: 0.65rem;
}

.site-nav {
    display: none;
    align-items: center;
    gap: clamp(0.15rem, 0.4vw, 0.4rem);
    padding: 0.35rem;
    border: 1px solid color-mix(in srgb, var(--color-border-default) 90%, white);
    border-radius: var(--border-radius-pill);
    background: color-mix(in srgb, var(--color-surface-base) 90%, white);
    flex-wrap: nowrap;
    min-width: 0;
}

@media (min-width: 1024px) {
    .site-nav {
        display: flex;
    }
}

.site-mobile-toggle {
    display: flex;
}

@media (min-width: 1024px) {
    .site-mobile-toggle {
        display: none !important;
    }
}

.dark .site-nav {
    border-color: color-mix(in srgb, var(--shell-border-dark) 88%, transparent);
    background: rgba(17, 24, 39, 0.54);
}

.site-submark {
    font-size: 0.6875rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.site-nav-link,
.site-mobile-link,
.site-footer-link,
.site-icon-button,
.site-cta,
.site-wordmark {
    transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-nav-link,
.site-mobile-link,
.site-footer-link {
    color: var(--color-text-contrast);
    text-decoration: none;
}

.site-nav-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    min-height: 2.5rem;
    padding-inline: clamp(0.5rem, 0.7vw, 0.75rem);
    border-radius: var(--border-radius-pill);
    white-space: nowrap;
    line-height: 1;
}

.site-nav-link.is-active,
.site-mobile-link.is-active {
    background: color-mix(in srgb, var(--color-primary) 16%, white);
    color: var(--color-primary-dark);
}

.dark .site-nav-link,
.dark .site-mobile-link,
.dark .site-footer-link {
    color: var(--color-text-contrast-dark);
}

.dark .site-nav-link.is-active,
.dark .site-mobile-link.is-active {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-primary-light);
}

.site-nav-link:hover,
.site-nav-link:focus-visible,
.site-mobile-link:hover,
.site-mobile-link:focus-visible,
.site-footer-link:hover,
.site-footer-link:focus-visible {
    color: var(--color-primary-dark);
}

.dark .site-nav-link:hover,
.dark .site-nav-link:focus-visible,
.dark .site-mobile-link:hover,
.dark .site-mobile-link:focus-visible,
.dark .site-footer-link:hover,
.dark .site-footer-link:focus-visible {
    color: var(--color-primary-light);
}

.site-icon-button {
    border: 1px solid transparent;
    border-radius: var(--border-radius-pill);
    background: transparent;
    color: var(--color-text-muted);
}

.site-icon-button:hover,
.site-icon-button:focus-visible {
    color: var(--color-primary-dark);
    background: var(--color-surface-subtle);
}

.dark .site-icon-button {
    color: var(--color-neutral-300);
}

.dark .site-icon-button:hover,
.dark .site-icon-button:focus-visible {
    color: var(--color-primary-light);
    background: rgba(255, 255, 255, 0.06);
}

.site-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-pill);
    border: 1px solid color-mix(in srgb, var(--color-primary-dark) 70%, black 10%);
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    box-shadow: 0 12px 24px color-mix(in srgb, var(--color-primary) 24%, transparent);
    flex: 0 0 auto;
}

.site-cta:hover,
.site-cta:focus-visible {
    background: var(--color-primary-dark);
    color: #fff;
    box-shadow: 0 16px 28px color-mix(in srgb, var(--color-primary-dark) 28%, transparent);
}

.site-mobile-panel {
    border-top: 1px solid var(--color-border-default);
    padding-block-end: var(--spacing-sm);
    max-height: calc(100vh - var(--header-height));
    max-height: calc(100dvh - var(--header-height));
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
}

html.has-open-mobile-menu,
body.has-open-mobile-menu {
    overflow: hidden;
    overscroll-behavior: none;
}

.site-mobile-panel__inner {
    display: grid;
    gap: var(--spacing-xxs);
}

.site-cta--mobile {
    width: 100%;
    margin-block-end: 0.45rem;
}

.site-mobile-link {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    border-radius: var(--border-radius-md);
    color: var(--color-text-contrast);
}

.site-mobile-link:hover,
.site-mobile-link:focus-visible {
    background: var(--color-surface-subtle);
}

.dark .site-mobile-link {
    color: var(--color-text-contrast-dark);
}

.dark .site-mobile-link:hover,
.dark .site-mobile-link:focus-visible {
    background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 767px) {
    html {
        scroll-padding-top: var(--header-offset-mobile);
    }

    body {
        padding-top: var(--header-height-mobile);
    }

    main,
    [id] {
        scroll-margin-top: var(--header-offset-mobile);
    }

    .site-shell__inner {
        padding-inline: var(--spacing-sm);
    }

    .site-shell__bar {
        gap: var(--spacing-xs);
        min-height: var(--header-height-mobile);
        padding-block: var(--spacing-xs);
    }

    .site-shell__cluster {
        gap: var(--spacing-xs);
    }

    .site-wordmark {
        min-width: 0;
    }

    .site-logo-image {
        height: clamp(2.5rem, 9vw, 3.2rem);
        max-width: min(10.75rem, 48vw);
    }

    .site-submark {
        font-size: 0.625rem;
        letter-spacing: 0.12em;
    }

    .site-icon-button,
    .site-cta {
        min-height: 2.75rem;
    }

    .site-cta {
        padding-inline: var(--spacing-md);
        font-size: var(--font-size-sm);
        white-space: nowrap;
    }

    .site-mobile-panel {
        max-height: calc(100vh - var(--header-height-mobile));
        max-height: calc(100dvh - var(--header-height-mobile));
    }

    .site-mobile-panel > div {
        padding-inline: var(--spacing-sm);
        padding-block: var(--spacing-sm);
        display: grid;
        gap: var(--spacing-xxs);
    }

    .site-mobile-link {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: var(--font-size-md);
    }
}

@media (max-width: 560px) {
    .site-shell__actions {
        gap: 0.5rem;
    }

    .site-cta {
        padding-inline: var(--spacing-sm);
    }
}

.site-footer {
    background: color-mix(in srgb, var(--color-secondary-dark) 88%, black 12%);
    color: var(--color-text-dark);
}

.site-footer p,
.site-footer li,
.site-footer small {
    color: color-mix(in srgb, white 78%, var(--color-primary-light));
}

.site-footer .text-slate-400,
.site-footer .text-slate-500 {
    color: color-mix(in srgb, white 78%, var(--color-primary-light));
}

.site-footer h4 {
    color: color-mix(in srgb, white 22%, var(--color-primary-light) 78%);
}

.site-footer .site-footer-link {
    display: inline-flex;
    align-items: center;
    min-width: 2.75rem;
    min-height: 2.75rem;
    margin-block: -0.55rem;
    margin-inline: -0.25rem;
    padding-inline: 0.25rem;
    border-radius: var(--border-radius-sm);
    color: color-mix(in srgb, white 84%, var(--color-primary-light));
}

.site-footer .site-footer-link:hover,
.site-footer .site-footer-link:focus-visible {
    color: white;
}

.site-footer .site-footer__divider {
    border-color: var(--color-border-inverse);
    color: color-mix(in srgb, white 64%, var(--color-primary-light));
}

.site-footer__social-row {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.site-placeholder-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border-inverse);
}

.site-social-link {
    display: inline-flex;
}

.site-social-icon {
    width: 20px;
    height: 20px;
    filter: invert(1);
}

.site-pill-note {
    display: inline-flex;
    align-items: center;
    border-radius: var(--border-radius-pill);
    background: var(--color-surface-muted);
    color: var(--color-text-muted);
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
}

.dark .site-pill-note {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-neutral-200);
}

/* Base Utilities for Shared Components (Tailwind fallback) */
.w-5 { width: 1.25rem !important; }
.h-5 { height: 1.25rem !important; }
.w-10 { width: 2.5rem !important; }
.h-10 { height: 2.5rem !important; }
.invert { filter: invert(1) !important; }
.rounded-full { border-radius: 9999px !important; }
.flex { display: flex !important; }
.items-center { align-items: center !important; }
.justify-center { justify-content: center !important; }



.site-social-link--labeled {
    align-items: center;
    gap: 0.65rem;
    color: color-mix(in srgb, white 84%, var(--color-primary-light));
    font-weight: 700;
    text-decoration: none;
}

.site-social-link--labeled:hover,
.site-social-link--labeled:focus-visible {
    color: white;
}

/* Design review polish: footer links are secondary, but still need real touch targets on mobile. */
@media (max-width: 720px) {
    .site-footer .site-footer-link {
        display: inline-flex;
        align-items: center;
        min-height: 2.75rem;
        padding-block: 0.35rem;
    }

    .site-social-link--labeled {
        min-height: 2.75rem;
    }
}


/* Deep GStack design review: real touch targets across navigation/footer. */
.site-nav-link {
    min-height: 2.75rem;
}

.site-cta {
    min-height: 2.75rem;
}

.site-icon-button,
.site-mobile-toggle {
    min-width: 2.75rem;
    min-height: 2.75rem;
}

.site-wordmark {
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
}

.site-footer .site-footer-link {
    display: inline-flex;
    align-items: center;
    min-height: 2.75rem;
}

.site-social-link,
.site-social-link--labeled {
    min-height: 2.75rem;
}