/* contact.css — Contact modal overlay + form
   ═══════════════════════════════════════════════════════════════════════════
   CONTENTS:
   1. Overlay backdrop
   2. Modal container
   3. Modal header
   4. Form layout
   5. Form inputs
   6. Form buttons
   7. Responsive (900px, 600px)
   8. States — loading, success, error, validation
   ═══════════════════════════════════════════════════════════════════════════ */


/* =============================================================================
   1. OVERLAY BACKDROP
   ============================================================================= */

:where(body.contact-overlay-open) {
    overflow: hidden;
}

.contact-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    padding-top: max(20px, env(safe-area-inset-top));
    padding-bottom: max(20px, env(safe-area-inset-bottom));
    padding-left: max(20px, env(safe-area-inset-left));
    padding-right: max(20px, env(safe-area-inset-right));
    background: rgba(21, 27, 34, 0.62);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 180ms ease, visibility 180ms ease;
    z-index: 10020;
    box-sizing: border-box;
}

.contact-overlay.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}


/* =============================================================================
   2. MODAL CONTAINER
   ============================================================================= */

.contact-modal {
    width: min(700px, calc(100% - 40px));
    max-height: min(90vh, 860px);
    max-height: min(90dvh, 860px);
    overflow: auto;
    border: 2px solid var(--charcoal);
    border-radius: 22px;
    background: var(--bone);
    color: var(--charcoal);
    padding: 28px;
    position: relative;
    box-sizing: border-box;
    box-shadow: 0 20px 64px rgba(0, 0, 0, 0.28);
    margin: auto;
}

.contact-modal-close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 48px;
    height: 48px;
    min-width: 48px;
    min-height: 48px;
    border: 2px solid transparent;
    background: transparent;
    color: var(--charcoal);
    font-size: 1.75rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 999px;
}

.contact-modal-close:hover,
.contact-modal-close:focus-visible {
    border-color: var(--charcoal);
    outline: none;
}


/* =============================================================================
   3. MODAL HEADER
   ============================================================================= */

.contact-modal-kicker {
    font-family: var(--font-mono);
    font-size: var(--font-size-mono);
    letter-spacing: 1px;
    text-transform: uppercase;
    color: rgba(47, 53, 59, 0.72);
    margin-bottom: 8px;
}

.contact-modal h2 {
    font-size: clamp(1.75rem, 4vw, 2.625rem);
    line-height: 1;
    margin-bottom: 10px;
    text-transform: uppercase;
    padding-right: 42px;
}

.contact-modal-sub {
    font-size: var(--font-size-body);
    line-height: 1.5;
    margin-bottom: 20px;
    max-width: 56ch;
}


/* =============================================================================
   4. FORM LAYOUT
   ============================================================================= */

.contact-form {
    display: grid;
    gap: 12px;
}

.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.contact-form-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 6px;
}


/* =============================================================================
   5. FORM INPUTS
   ============================================================================= */

.contact-form label {
    font-family: var(--font-mono);
    font-size: var(--font-size-mono);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    border: 2px solid rgba(47, 53, 59, 0.52);
    border-radius: 14px;
    padding: 11px 12px;
    background: #ffffff;
    color: var(--charcoal);
    font-family: var(--font-sans);
    font-size: var(--font-size-body);
}

.contact-form input:focus-visible,
.contact-form textarea:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
    border-color: var(--charcoal);
}

.contact-form textarea {
    min-height: 130px;
    resize: vertical;
}


/* =============================================================================
   6. FORM BUTTONS
   ============================================================================= */

.contact-form-submit,
.contact-form-mailto,
.contact-form-reset,
.contact-overlay-trigger {
    border: 2px solid var(--charcoal);
    border-radius: 999px;
    padding: 12px 20px;
    min-height: 44px;
    font-family: var(--font-mono);
    font-size: var(--font-size-mono);
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 160ms ease, color 160ms ease;
}

/* Primary buttons (filled) */
.contact-form-submit,
.contact-overlay-trigger {
    background: var(--persimmon);
    color: #fff;
}

/* Secondary buttons (outlined) */
.contact-form-mailto,
.contact-form-reset {
    background: transparent;
    color: var(--charcoal);
}

/* Hover/focus for all buttons */
.contact-form-submit:hover,
.contact-form-submit:focus-visible,
.contact-form-mailto:hover,
.contact-form-mailto:focus-visible,
.contact-form-reset:hover,
.contact-form-reset:focus-visible,
.contact-overlay-trigger:hover,
.contact-overlay-trigger:focus-visible {
    background: var(--charcoal);
    color: var(--bone);
    outline: none;
}


/* =============================================================================
   7. RESPONSIVE (900px, 600px)
   ============================================================================= */

@media (max-width: 900px) {
    .contact-modal {
        border-radius: 18px;
        padding: 22px;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
    }

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

    .contact-form-submit,
    .contact-form-mailto,
    .contact-form-reset,
    .contact-overlay-trigger {
        width: 100%;
        text-align: center;
        font-size: 1rem;
        min-height: 52px;
    }

    .contact-form input,
    .contact-form select {
        min-height: 48px;
        font-size: var(--font-size-body-lg);
        padding: 12px 14px;
    }

    .contact-form textarea {
        min-height: 140px;
        font-size: var(--font-size-body-lg);
        padding: 12px 14px;
    }

    .contact-form button[type="submit"] {
        min-height: 52px;
        font-size: var(--font-size-body-lg);
        padding: 14px 24px;
    }
}

@media (max-width: 600px) {
    .contact-form-actions {
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }
}


/* =============================================================================
   8. STATES — Loading, Success, Error, Validation
   ============================================================================= */

/* -----------------------------------------------------------------------------
   8a. Loading
   ----------------------------------------------------------------------------- */

.contact-form-submit.is-loading {
    pointer-events: none;
    opacity: 0.8;
    cursor: wait;
    position: relative;
}

.contact-form-submit.is-loading::after {
    content: "";
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-left: 8px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: contact-spinner 0.7s linear infinite;
    vertical-align: middle;
}

@keyframes contact-spinner {
    to { transform: rotate(360deg); }
}

.contact-form input:disabled,
.contact-form textarea:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background: var(--stone);
}


/* -----------------------------------------------------------------------------
   8b. Success
   ----------------------------------------------------------------------------- */

.contact-form-success {
    text-align: center;
    padding: 40px 20px;
    outline: none;
}

.contact-form-success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--persimmon);
    color: #fff;
    font-size: 2rem;
    border-radius: 50%;
    margin-bottom: 20px;
}

.contact-form-success-title {
    font-family: var(--font-title);
    font-size: clamp(1.5rem, 4vw, 2rem);
    text-transform: uppercase;
    margin-bottom: 10px;
}

.contact-form-success-text {
    font-size: var(--font-size-body);
    color: rgba(47, 53, 59, 0.8);
    margin-bottom: 24px;
    max-width: 32ch;
    margin-left: auto;
    margin-right: auto;
}


/* -----------------------------------------------------------------------------
   8c. Error (form-level)
   ----------------------------------------------------------------------------- */

.contact-form-error {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 14px 16px;
    background: rgba(207, 69, 32, 0.1);
    border: 2px solid var(--persimmon);
    border-radius: 12px;
    margin-bottom: 16px;
    outline: none;
}

.contact-form-error-icon {
    flex-shrink: 0;
    font-size: 1.25rem;
    line-height: 1;
}

.contact-form-error-text {
    font-size: var(--font-size-body);
    color: var(--charcoal);
    line-height: 1.4;
}


/* -----------------------------------------------------------------------------
   8d. Field Validation
   ----------------------------------------------------------------------------- */

.contact-form input.is-invalid,
.contact-form textarea.is-invalid {
    border-color: var(--persimmon);
    background: rgba(207, 69, 32, 0.04);
}

.contact-form input.is-invalid:focus-visible,
.contact-form textarea.is-invalid:focus-visible {
    outline-color: var(--persimmon);
    border-color: var(--persimmon);
}

.contact-form input.is-valid,
.contact-form textarea.is-valid {
    border-color: var(--teal);
}

.contact-field-error {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--persimmon);
    margin-top: 4px;
    line-height: 1.3;
}


/* -----------------------------------------------------------------------------
   8e. States — Responsive (900px)
   ----------------------------------------------------------------------------- */

@media (max-width: 900px) {
    .contact-form-success {
        padding: 30px 16px;
    }

    .contact-form-success-icon {
        width: 56px;
        height: 56px;
        font-size: 1.75rem;
    }

    .contact-form-error {
        padding: 12px 14px;
    }
}