/* ============================================================
   HEADER — landing-page contact link
   ============================================================ */
.header-contact {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-full);
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.header-contact:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background-color: var(--color-accent-light);
}

.header-contact:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    padding-top: clamp(var(--space-20), 10vw, var(--space-40));
    padding-bottom: clamp(var(--space-16), 8vw, var(--space-32));
    /* Hero sits on the default page background — warm off-white baseline */
    background-color: var(--color-bg);
    overflow: hidden;
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    max-width: 800px;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-accent);
}

.hero__eyebrow::before {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background-color: currentColor;
}

.hero__headline {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: 700;
    line-height: var(--leading-tight);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text-primary);
}

.hero__headline em {
    font-style: italic;
    color: var(--color-accent);
}

.hero__subhead {
    font-size: clamp(var(--text-base), 2vw, var(--text-md));
    line-height: var(--leading-loose);
    color: var(--color-text-secondary);
    max-width: 520px;
}

.hero__actions {
    /* Sits below the subhead; the grid gap on .hero__inner handles spacing */
}

.hero__cta {
    display: inline-flex;
    align-items: center;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-black-900);
    background-color: var(--color-highlight);
    padding: var(--space-3) var(--space-8);
    border-radius: var(--radius-full);
    border: 1.5px solid transparent;
    transition: background-color 0.15s ease, box-shadow 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.hero__cta:hover {
    background-color: var(--color-highlight-hover);
}

.hero__cta:focus-visible {
    outline: 2px solid var(--color-highlight);
    outline-offset: 3px;
}

.hero__rule {
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, var(--color-border), transparent);
    margin-top: clamp(var(--space-16), 8vw, var(--space-32));
}

/* ============================================================
   SECTION SHARED STYLES
   ============================================================ */
.section {
    padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

/* Section tint variants — used to create visual rhythm via alternating backgrounds */
.section--warm {
    /* Palest blush taupe — subtle warmth, distinct from off-white baseline */
    background-color: var(--color-secondary-50);
}

.section--dark {
    /* Deep taupe — rich dark section for closing CTAs */
    background-color: var(--color-secondary-800);
}

.section__label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-8);
}

.section__label-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--color-accent);
    flex-shrink: 0;
}

/* ============================================================
   PRODUCTS SECTION
   ============================================================ */
.products {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(var(--space-12), 5vw, var(--space-20));
    align-items: start;
}

.products__heading {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: 700;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-6);
}

.products__body {
    font-size: var(--text-base);
    line-height: var(--leading-loose);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
    max-width: 440px;
}

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

.products__tag {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-primary);
}

.products__tag-icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-md);
    background-color: var(--color-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.products__visual {
    position: relative;
    aspect-ratio: 4 / 3;
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.abstract-grid {
    position: absolute;
    inset: 0;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(var(--space-12), 5vw, var(--space-20));
    align-items: start;
}

.services__heading {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
    font-weight: 700;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
    margin-bottom: var(--space-6);
}

.services__body {
    font-size: var(--text-base);
    line-height: var(--leading-loose);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 440px;
}

.services__principles {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.principle {
    padding-bottom: var(--space-5);
    border-bottom: 1px solid var(--color-border);
}

.principle:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.principle__title {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.principle__desc {
    font-size: var(--text-sm);
    line-height: var(--leading-loose);
    color: var(--color-text-secondary);
}

.services__aside {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.services__quote-block {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
}

.services__quote {
    font-family: var(--font-heading);
    font-size: var(--text-md);
    font-weight: 700;
    font-style: italic;
    line-height: var(--leading-loose);
    color: var(--color-text-primary);
}

.services__quote-attribution {
    margin-top: var(--space-4);
    font-size: var(--text-xs);
    font-weight: 500;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-tertiary);
}

/* ============================================================
   BRIDGE SECTION
   ============================================================ */
.bridge {
    background-color: var(--color-accent);
    border-radius: var(--radius-xl);
    padding: clamp(var(--space-10), 5vw, var(--space-16)) clamp(var(--space-10), 6vw, var(--space-20));
    margin-block: clamp(var(--space-8), 4vw, var(--space-16));
}

.bridge__inner {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-10);
    align-items: center;
}

.bridge__text {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-lg), 2.5vw, var(--text-2xl));
    font-weight: 700;
    font-style: italic;
    line-height: var(--leading-snug);
    color: var(--color-text-inverse);
    max-width: 600px;
}

.bridge__detail {
    font-size: var(--text-sm);
    line-height: var(--leading-loose);
    /* white at 72% — warm off-white would shift the bridge bg hue */
    color: color-mix(in srgb, var(--color-text-inverse) 72%, transparent);
    max-width: 240px;
    flex-shrink: 0;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
    padding-block: clamp(var(--space-20), 10vw, var(--space-40));
    text-align: center;
}

/* On the dark section (.section--dark), all text and interactive
   elements invert to remain legible against --color-secondary-800. */
.section--dark .contact__eyebrow {
    /* Muted warm white at reduced opacity for hierarchy */
    color: color-mix(in srgb, var(--color-text-inverse) 60%, transparent);
}

.section--dark .contact__heading {
    color: var(--color-text-inverse);
}

.section--dark .contact__sub {
    /* Slightly dimmed inverse for secondary hierarchy */
    color: color-mix(in srgb, var(--color-text-inverse) 75%, transparent);
}

/* Default (light) contact link — green on off-white */
.contact__eyebrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-6);
}

.contact__heading {
    font-family: var(--font-heading);
    font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
    font-weight: 700;
    line-height: var(--leading-snug);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.contact__sub {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-10);
}

.contact__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-md);
    font-weight: 500;
    color: var(--color-accent);
    padding: var(--space-4) var(--space-8);
    border: 1.5px solid var(--color-accent);
    border-radius: var(--radius-full);
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.contact__link:hover {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
}

.contact__link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 3px;
}

/* On dark contact section — use the golden amber highlight for the CTA.
   Gold on deep taupe is warm, readable, and on-brand without being garish. */
.section--dark .contact__link {
    color: var(--color-highlight);
    border-color: var(--color-highlight);
}

.section--dark .contact__link:hover {
    background-color: var(--color-highlight);
    /* Dark taupe text on gold background — high contrast, stays warm */
    color: var(--color-secondary-900);
}

.section--dark .contact__link:focus-visible {
    outline-color: var(--color-highlight);
}

/* ============================================================
   FOOTER — landing page override
   The footer follows the dark contact section, so we give it a
   slightly warm tint rather than the bare off-white default.
   The border-top from base.css is overridden to a softer secondary tone.
   ============================================================ */
.site-footer {
    background-color: var(--color-secondary-50);
    border-top-color: var(--color-secondary-100);
}

/* ============================================================
   RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 768px) {
    .products {
        grid-template-columns: 1fr;
    }

    .products__visual {
        aspect-ratio: 16 / 7;
        order: -1;
    }

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

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

    .bridge__detail {
        max-width: 100%;
    }
}