/*
    CONTACT PAGE STYLES (contact.html)

    [ 1. PAGE LAYOUT & HERO ]
    [ 2. FORM STYLES ]
    [ 3. FORM VALIDATION STATES ]
    [ 4. SIDEBAR ]
    [ 5. RESPONSIVE ]

    Shared styles (nav, buttons, footer, reveal) live in base.css.
*/

/* 1. PAGE LAYOUT & HERO */
.contact-page {
    --form-border: rgba(51, 51, 51, 0.15);
    --form-focus: var(--accent);
    --form-error: #dc3545;
    --form-success: #28a745;
}

body.dark-mode .contact-page {
    --form-border: rgba(224, 224, 224, 0.2);
    --form-error: #f5c6cb;
    --form-success: #c3e6cb;
}

.contact-page .contact-main {
    overflow: hidden;
}

.contact-hero {
    padding: 150px 5% 60px;
    background: linear-gradient(135deg, var(--bg-alt), var(--bg) 72%);
    text-align: center;
}

.contact-hero-inner {
    max-width: 700px;
    margin: 0 auto;
}

.contact-kicker {
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0.8;
}

.contact-hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2.8rem, 7vw, 5rem);
    line-height: 1;
    letter-spacing: -3px;
    font-weight: 800;
    margin-bottom: 20px;
}

.contact-lead {
    color: var(--subtle);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* 2. FORM STYLES */
.contact-section {
    padding: 80px 5% 120px;
}

.contact-section-inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 60px;
    max-width: 1100px;
    margin: 0 auto;
    align-items: start;
}

.contact-form-wrapper {
    background: var(--bg-alt);
    padding: 48px;
    border-radius: 24px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text);
}

.required {
    color: var(--form-error);
}

.form-input {
    width: 100%;
    padding: 16px 20px;
    font-family: 'Roboto', sans-serif;
    font-size: 16px; /* Prevents iOS zoom on focus */
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    border: 2px solid var(--form-border);
    border-radius: 12px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

.form-input::placeholder {
    color: var(--subtle);
    opacity: 0.7;
}

.form-input:focus {
    outline: none;
    border-color: var(--form-focus);
    box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.08);
}

body.dark-mode .form-input:focus {
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.1);
}

.form-textarea {
    min-height: 140px;
    resize: vertical;
}

/* Submit button */
.form-submit {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px 32px;
    font-size: 0.85rem;
    cursor: pointer;
    min-height: 56px; /* Ensures 48px+ touch target */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-submit:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

body.dark-mode .form-submit:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.btn-loading {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.form-submit.is-loading .btn-text {
    opacity: 0.7;
}

.form-submit.is-loading .btn-loading {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 3. FORM VALIDATION STATES */
.form-input.is-invalid {
    border-color: var(--form-error);
}

.form-input.is-valid {
    border-color: var(--form-success);
}

.form-error {
    display: none;
    font-size: 0.8rem;
    color: var(--form-error);
    min-height: 20px;
}

.form-error.is-visible {
    display: block;
}

/* Form status message */
.form-status {
    display: none;
    padding: 16px 20px;
    border-radius: 12px;
    font-size: 0.9rem;
    text-align: center;
}

.form-status.is-success {
    display: block;
    background: rgba(40, 167, 69, 0.1);
    color: var(--form-success);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.form-status.is-error {
    display: block;
    background: rgba(220, 53, 69, 0.1);
    color: var(--form-error);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* 4. SIDEBAR */
.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 100px;
}

.contact-info-card {
    background: var(--bg-alt);
    padding: 28px;
    border-radius: 20px;
}

.contact-info-card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--text);
}

.contact-info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--subtle);
    font-size: 0.9rem;
}

.contact-info-item:last-child {
    margin-bottom: 0;
}

.contact-info-item a {
    color: var(--subtle);
    transition: color 0.3s ease;
}

.contact-info-item a:hover {
    color: var(--accent);
}

.contact-info-item svg {
    flex-shrink: 0;
    color: var(--accent);
    opacity: 0.7;
}

.contact-info-text {
    color: var(--subtle);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.contact-info-note {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--form-border);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 600;
    opacity: 0.8;
}

/* 5. RESPONSIVE */

/* --- TABLET CORE (1024px and below) --- */
@media (max-width: 1024px) {
    .contact-section-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

/* --- MOBILE CORE (768px and below) --- */
@media (max-width: 768px) {
    .contact-hero {
        padding: 120px 5% 50px;
    }

    .contact-hero h1 {
        font-size: clamp(2.2rem, 10vw, 3.2rem);
        letter-spacing: -2px;
    }

    .contact-lead {
        font-size: 1rem;
    }

    .contact-section {
        padding: 60px 5% 80px;
    }

    .contact-form-wrapper {
        padding: 28px 20px;
    }

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

    .form-input {
        padding: 14px 16px;
        /* font-size stays 16px to prevent iOS zoom */
    }

    .form-submit {
        padding: 16px 24px;
        width: 100%;
    }
}