/* ==========================================================================
   DELTATEC — Responsive Styles
   Mobile-first breakpoints
   ========================================================================== */

/* --------------------------------------------------------------------------
   Tablet and up (768px+)
   -------------------------------------------------------------------------- */

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

    .site-header__cta {
        display: inline-flex;
    }

    .menu-toggle {
        display: none;
    }
}

/* Keep the shared header comfortably legible at compact desktop widths. */
@media (min-width: 1024px) and (max-width: 1279px) {
    .site-nav,
    .site-header__cta {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }
}

@media (min-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 1.4fr 1fr 1fr;
    }

    .grid--2-tablet {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --------------------------------------------------------------------------
   Desktop (1024px+)
   -------------------------------------------------------------------------- */

@media (min-width: 1024px) {
    .site-nav__link {
        padding-inline: 0.75rem;
        font-size: var(--font-size-small);
    }

    .site-footer__grid {
        grid-template-columns: 1.5fr 1fr 1fr;
    }

    .grid--2-desktop {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--3-desktop {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid--4-desktop {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* --------------------------------------------------------------------------
   Large desktop (1280px+)
   -------------------------------------------------------------------------- */

@media (min-width: 1280px) {
    .site-nav__link {
        padding-inline: 0.875rem;
    }
}

/* --------------------------------------------------------------------------
   Extra large (1440px+)
   -------------------------------------------------------------------------- */

@media (min-width: 1440px) {
    .site-nav__list {
        gap: 0.75rem;
    }
}

/* --------------------------------------------------------------------------
   Mobile overrides (max-width)
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
    .grid--2,
    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }

    .site-footer__bottom {
        flex-direction: column;
        text-align: center;
    }

    .site-footer__legal-list {
        justify-content: center;
    }

    .btn-group {
        flex-direction: column;
        align-items: stretch;
    }

    .btn-group .btn {
        width: 100%;
    }
}

/* --------------------------------------------------------------------------
   Small mobile (480px and below)
   -------------------------------------------------------------------------- */

@media (max-width: 480px) {
    .site-header__logo-img {
        height: 2rem;
    }

    .page-hero {
        padding-block: 2.5rem;
    }
}

/* --------------------------------------------------------------------------
   Reduced motion — global overrides
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .mobile-nav__panel {
        transition: none;
    }

    .mobile-nav__overlay {
        transition: none;
    }
}

/* --------------------------------------------------------------------------
   Hero foundation (homepage demo)
   -------------------------------------------------------------------------- */

.hero {
    padding-block: clamp(3.5rem, 10vw, 6.5rem);
    background: linear-gradient(
        180deg,
        var(--color-surface) 0%,
        var(--color-background) 100%
    );
}

.hero__inner {
    display: grid;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.hero__content {
    max-width: 36rem;
}

.hero__eyebrow {
    display: inline-block;
    margin-bottom: 1rem;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    color: var(--color-accent);
}

.hero__title {
    margin-bottom: 1rem;
}

.hero__tagline {
    margin-bottom: 1.25rem;
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
}

.hero__description {
    margin-bottom: 2rem;
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero__logo {
    width: min(100%, 22rem);
    height: auto;
}

.hero__accent-bar {
    width: 4rem;
    height: 4px;
    background-color: var(--color-accent);
    margin-bottom: 1.5rem;
    border-radius: var(--radius-full);
}

@media (min-width: 768px) {
    .hero__inner {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .hero__inner {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

/* Foundation demo section */
.foundation-demo {
    border-top: 1px solid var(--color-border);
}

.foundation-demo__grid {
    display: grid;
    gap: var(--grid-gap);
}

@media (min-width: 768px) {
    .foundation-demo__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .foundation-demo__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}