/* ==========================================================================
   COMPONENTS — Zeta IT Consulting
   Reusable UI components: cards, grids, section variants, forms.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CARDS
   -------------------------------------------------------------------------- */

.card {
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition:
        border-color var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        transform var(--duration-normal) var(--ease-out);
}

.card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
    transform: translateY(-4px);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    margin-bottom: var(--space-4);
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    font-size: var(--text-xl);
    color: #fff;
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: #fff;
    margin-bottom: var(--space-2);
}

.card-text {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    line-height: var(--leading-normal);
}

.card-link {
    display: inline-block;
    margin-top: var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent-hover);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-out);
}

.card-link:hover {
    color: #fff;
}


/* --------------------------------------------------------------------------
   2. GRID LAYOUTS
   -------------------------------------------------------------------------- */

.grid {
    display: grid;
    gap: var(--space-6);
}

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

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

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

/* Auto-fill variant: responsive without media queries */
.grid-auto {
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
}

/* Responsive stacking */
@media (max-width: 48em) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 48em) and (max-width: 64em) {
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}


/* --------------------------------------------------------------------------
   3. SECTION VARIANTS
   -------------------------------------------------------------------------- */

.section-hero {
    position: relative;
    padding-block: var(--space-24) var(--space-8);
    overflow: hidden;
}

.section-hero .container {
    position: relative;
    z-index: var(--z-base);
}

.section-hero .section-header {
    margin-bottom: 0;
}

.section-alt {
    background-color: var(--color-bg-elevated);
}

.section-header {
    margin-bottom: var(--space-12);
}

.section-header h2 {
    margin-bottom: var(--space-4);
}

.section-header p {
    max-width: 40rem;
}

.section-header.text-center p {
    margin-inline: auto;
}


/* --------------------------------------------------------------------------
   4. BADGES / TAGS
   -------------------------------------------------------------------------- */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: var(--tracking-wide);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    background-color: rgba(99, 102, 241, 0.15);
    color: var(--color-accent-hover);
}


/* --------------------------------------------------------------------------
   5. DIVIDERS
   -------------------------------------------------------------------------- */

.divider {
    border: none;
    height: 1px;
    background-color: var(--color-border);
    margin-block: var(--space-8);
}


/* --------------------------------------------------------------------------
   6. FORM ELEMENTS
   -------------------------------------------------------------------------- */

/* Honeypot field — invisible to humans, catches form-filling bots */
.form-hp {
    position: absolute;
    left: -9999px;
    top: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    color: var(--color-text);
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        border-color var(--duration-fast) var(--ease-out),
        box-shadow var(--duration-fast) var(--ease-out);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-faint);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-error {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin-top: var(--space-1);
}


/* --------------------------------------------------------------------------
   7. STAT / METRIC COMPONENT
   -------------------------------------------------------------------------- */

.stat {
    text-align: center;
}

.stat-value {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}


/* --------------------------------------------------------------------------
   8. CTA SECTION (shared across pages)
   -------------------------------------------------------------------------- */

.cta-section {
    position: relative;
    overflow: hidden;
    padding-block: var(--space-24);
}

.cta-bg-layer {
    position: absolute;
    inset: -20% 0;
    background: radial-gradient(
        ellipse at center,
        rgba(99, 102, 241, 0.08) 0%,
        transparent 70%
    );
    z-index: 0;
}

.cta-content {
    position: relative;
    z-index: var(--z-base);
}

.cta-content h2 {
    margin-bottom: var(--space-4);
}

.cta-content p {
    max-width: 32rem;
    margin-inline: auto;
    margin-bottom: var(--space-8);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
}


/* --------------------------------------------------------------------------
   9. RESPONSIVE ADJUSTMENTS
   -------------------------------------------------------------------------- */

@media (max-width: 48em) {
    .cta-section {
        padding-block: var(--space-16);
    }
}

@media (max-width: 40em) {
    .card {
        padding: var(--space-6);
    }

    .section-hero {
        padding-block: var(--space-16) var(--space-6);
    }

    .section-header {
        margin-bottom: var(--space-8);
    }

    /* Ensure form inputs meet 44px min touch target */
    .form-input,
    .form-textarea,
    .form-select {
        min-height: 2.75rem; /* 44px */
        font-size: 1rem;     /* prevent iOS zoom on focus */
    }

    .cta-section {
        padding-block: var(--space-12);
    }

    .cta-content p {
        margin-bottom: var(--space-6);
    }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
}


/* --------------------------------------------------------------------------
   ERROR PAGE (404)
   -------------------------------------------------------------------------- */

.error-page {
    padding-block: var(--space-12);
}

.error-code {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--space-4);
}