/* ==========================================================================
   CONTACT PAGE — HTD Steel (/lien-he/)
   Conditional load: only on is_page('lien-he')
   Uses design tokens from :root in style.css
   ========================================================================== */

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.htd-contact-hero {
    position: relative;
    background: linear-gradient(135deg, var(--htd-navy) 0%, var(--htd-navy-light) 40%, var(--htd-primary-dark) 100%);
    padding: 80px 0 60px;
    overflow: hidden;
    text-align: center;
}

.htd-contact-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
    pointer-events: none;
}

.htd-contact-hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--htd-bg);
    clip-path: ellipse(55% 100% at 50% 100%);
}

.htd-contact-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--htd-space-6);
}

.htd-contact-hero__breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: var(--htd-text-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--htd-space-6);
}

.htd-contact-hero__breadcrumb a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--htd-transition-fast);
}

.htd-contact-hero__breadcrumb a:hover {
    color: var(--htd-primary-light);
}

.htd-contact-hero__breadcrumb svg {
    width: 14px;
    height: 14px;
    opacity: 0.5;
}

.htd-contact-hero h1 {
    font-size: var(--htd-text-4xl);
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 var(--htd-space-4);
    letter-spacing: -0.03em;
    line-height: var(--htd-leading-tight);
}

.htd-contact-hero__subtitle {
    font-size: var(--htd-text-lg);
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    line-height: var(--htd-leading-normal);
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   INFO CARDS GRID
   -------------------------------------------------------------------------- */
.htd-contact-cards {
    max-width: 1200px;
    margin: -30px auto 0;
    padding: 0 var(--htd-space-6);
    position: relative;
    z-index: 2;
}

.htd-contact-cards__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--htd-space-5);
}

.htd-contact-card {
    background: var(--htd-surface);
    border: 1px solid var(--htd-border);
    border-radius: var(--htd-radius-lg);
    padding: var(--htd-space-8) var(--htd-space-6);
    text-align: center;
    transition: var(--htd-transition);
    box-shadow: var(--htd-shadow-card);
    position: relative;
    overflow: hidden;
}

.htd-contact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--htd-primary);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: center;
}

.htd-contact-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--htd-shadow-hover);
    border-color: var(--htd-primary-light);
}

.htd-contact-card:hover::before {
    transform: scaleX(1);
}

.htd-contact-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--htd-radius-md);
    background: var(--htd-primary-subtle);
    color: var(--htd-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--htd-space-5);
    transition: var(--htd-transition-fast);
}

.htd-contact-card:hover .htd-contact-card__icon {
    background: var(--htd-primary);
    color: #ffffff;
    transform: scale(1.08);
}

.htd-contact-card__icon svg {
    width: 24px;
    height: 24px;
}

.htd-contact-card__label {
    font-size: var(--htd-text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--htd-muted-fg);
    margin: 0 0 var(--htd-space-2);
}

.htd-contact-card__value {
    font-size: var(--htd-text-sm);
    color: var(--htd-navy);
    font-weight: 500;
    line-height: var(--htd-leading-normal);
    margin: 0;
}

.htd-contact-card__value a {
    color: var(--htd-navy);
    text-decoration: none;
    transition: var(--htd-transition-fast);
}

.htd-contact-card__value a:hover {
    color: var(--htd-primary);
}

/* --------------------------------------------------------------------------
   MAIN CONTENT SECTION (Form + Sidebar)
   -------------------------------------------------------------------------- */
.htd-contact-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--htd-space-16) var(--htd-space-6) var(--htd-space-20);
}

.htd-contact-main__grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--htd-space-12);
    align-items: start;
}

/* --- Form Column --- */
.htd-contact-form-col {
    background: var(--htd-surface);
    border: 1px solid var(--htd-border);
    border-radius: var(--htd-radius-lg);
    padding: var(--htd-space-10);
    box-shadow: var(--htd-shadow-card);
}

.htd-contact-form-col__header {
    margin-bottom: var(--htd-space-8);
    padding-bottom: var(--htd-space-6);
    border-bottom: 1px solid var(--htd-border);
}

.htd-contact-form-col__title {
    font-size: var(--htd-text-2xl);
    color: var(--htd-navy);
    margin: 0 0 var(--htd-space-2);
    display: flex;
    align-items: center;
    gap: var(--htd-space-3);
}

.htd-contact-form-col__title svg {
    color: var(--htd-primary);
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.htd-contact-form-col__desc {
    font-size: var(--htd-text-sm);
    color: var(--htd-muted-fg);
    margin: 0;
}

/* CF7 overrides inside the contact page form column */
.htd-contact-form-col .wpcf7-form p {
    margin-bottom: var(--htd-space-5);
}

.htd-contact-form-col .wpcf7 input[type="text"],
.htd-contact-form-col .wpcf7 input[type="email"],
.htd-contact-form-col .wpcf7 input[type="tel"],
.htd-contact-form-col .wpcf7 textarea,
.htd-contact-form-col .wpcf7 select {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--htd-border);
    border-radius: var(--htd-radius-md);
    font-size: var(--htd-text-base);
    background: var(--htd-bg);
    transition: var(--htd-transition-fast);
}

.htd-contact-form-col .wpcf7 input:focus,
.htd-contact-form-col .wpcf7 textarea:focus,
.htd-contact-form-col .wpcf7 select:focus {
    border-color: var(--htd-primary);
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(7, 116, 187, 0.1);
    outline: none;
}

.htd-contact-form-col .wpcf7 textarea {
    min-height: 140px;
    resize: vertical;
}

.htd-contact-form-col .wpcf7-submit {
    width: 100%;
    padding: 16px 32px;
    font-size: var(--htd-text-base);
    font-weight: 600;
    background: var(--htd-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--htd-radius-md);
    cursor: pointer;
    transition: var(--htd-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--htd-space-2);
    min-height: 52px;
}

.htd-contact-form-col .wpcf7-submit:hover {
    background: var(--htd-primary-dark);
    box-shadow: 0 8px 24px rgba(7, 116, 187, 0.3);
    transform: translateY(-2px);
}

.htd-contact-form-col .wpcf7-submit:active {
    transform: translateY(0) scale(0.98);
}

/* --- Sidebar Column --- */
.htd-contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--htd-space-6);
}

.htd-sidebar-box {
    background: var(--htd-surface);
    border: 1px solid var(--htd-border);
    border-radius: var(--htd-radius-lg);
    padding: var(--htd-space-8);
    box-shadow: var(--htd-shadow-card);
}

.htd-sidebar-box__title {
    font-size: var(--htd-text-lg);
    color: var(--htd-navy);
    margin: 0 0 var(--htd-space-6);
    padding-bottom: var(--htd-space-4);
    border-bottom: 2px solid var(--htd-primary-subtle);
    display: flex;
    align-items: center;
    gap: var(--htd-space-3);
}

.htd-sidebar-box__title svg {
    color: var(--htd-primary);
    width: 20px;
    height: 20px;
}

/* Contact detail items */
.htd-contact-detail {
    display: flex;
    align-items: flex-start;
    gap: var(--htd-space-4);
    padding: var(--htd-space-4) 0;
    border-bottom: 1px solid var(--htd-muted);
}

.htd-contact-detail:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.htd-contact-detail:first-child {
    padding-top: 0;
}

.htd-contact-detail__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--htd-radius-sm);
    background: var(--htd-primary-subtle);
    color: var(--htd-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.htd-contact-detail__icon svg {
    width: 18px;
    height: 18px;
}

.htd-contact-detail__text {
    flex: 1;
    min-width: 0;
}

.htd-contact-detail__label {
    font-size: var(--htd-text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--htd-muted-fg);
    margin: 0 0 2px;
}

.htd-contact-detail__value {
    font-size: var(--htd-text-sm);
    color: var(--htd-navy);
    font-weight: 500;
    margin: 0;
    line-height: var(--htd-leading-normal);
    word-break: break-word;
}

.htd-contact-detail__value a {
    color: var(--htd-navy);
    text-decoration: none;
}

.htd-contact-detail__value a:hover {
    color: var(--htd-primary);
}

/* CTA Buttons */
.htd-sidebar-cta {
    display: flex;
    flex-direction: column;
    gap: var(--htd-space-3);
    margin-top: var(--htd-space-4);
}

.htd-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--htd-space-3);
    padding: 14px 20px;
    border-radius: var(--htd-radius-md);
    font-size: var(--htd-text-sm);
    font-weight: 600;
    text-decoration: none;
    transition: var(--htd-transition);
    cursor: pointer;
    border: none;
    min-height: 48px;
}

.htd-cta-btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.htd-cta-btn--phone {
    background: var(--htd-primary);
    color: #ffffff;
}

.htd-cta-btn--phone:hover {
    background: var(--htd-primary-dark);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(7, 116, 187, 0.3);
    transform: translateY(-2px);
}

.htd-cta-btn--email {
    background: var(--htd-navy);
    color: #ffffff;
}

.htd-cta-btn--email:hover {
    background: var(--htd-navy-light);
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
    transform: translateY(-2px);
}

.htd-cta-btn--zalo {
    background: #0068ff;
    color: #ffffff;
}

.htd-cta-btn--zalo:hover {
    background: #0055d4;
    color: #ffffff;
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.3);
    transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   MAP SECTION
   -------------------------------------------------------------------------- */
.htd-contact-map {
    max-width: 1200px;
    margin: 0 auto var(--htd-space-20);
    padding: 0 var(--htd-space-6);
}

.htd-contact-map__header {
    text-align: center;
    margin-bottom: var(--htd-space-8);
}

.htd-contact-map__title {
    font-size: var(--htd-text-2xl);
    color: var(--htd-navy);
    margin: 0 0 var(--htd-space-2);
    display: inline-flex;
    align-items: center;
    gap: var(--htd-space-3);
}

.htd-contact-map__title svg {
    color: var(--htd-primary);
}

.htd-contact-map__subtitle {
    font-size: var(--htd-text-sm);
    color: var(--htd-muted-fg);
    margin: 0;
}

.htd-contact-map__wrapper {
    position: relative;
    border-radius: var(--htd-radius-xl);
    overflow: hidden;
    box-shadow: var(--htd-shadow-elevated);
    border: 1px solid var(--htd-border);
}

.htd-contact-map__wrapper iframe {
    display: block;
    width: 100%;
    height: 450px;
    border: 0;
}

.htd-contact-map__badge {
    position: absolute;
    bottom: var(--htd-space-5);
    left: var(--htd-space-5);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: var(--htd-space-4) var(--htd-space-5);
    border-radius: var(--htd-radius-md);
    box-shadow: var(--htd-shadow-card);
    display: flex;
    align-items: center;
    gap: var(--htd-space-3);
    max-width: 400px;
}

.htd-contact-map__badge-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--htd-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.htd-contact-map__badge-icon svg {
    width: 16px;
    height: 16px;
}

.htd-contact-map__badge-text {
    font-size: var(--htd-text-xs);
    color: var(--htd-navy);
    font-weight: 500;
    line-height: 1.4;
}

.htd-contact-map__badge-text strong {
    display: block;
    font-size: var(--htd-text-sm);
    margin-bottom: 2px;
}

/* --------------------------------------------------------------------------
   RESPONSIVE — Tablet (≤ 1024px)
   -------------------------------------------------------------------------- */
@media only screen and (max-width: 64em) {
    .htd-contact-hero {
        padding: 60px 0 50px;
    }

    .htd-contact-hero h1 {
        font-size: var(--htd-text-3xl);
    }

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

    .htd-contact-main__grid {
        grid-template-columns: 1fr;
        gap: var(--htd-space-8);
    }

    .htd-contact-form-col {
        order: 1;
    }

    .htd-contact-sidebar {
        order: 2;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--htd-space-6);
    }
}

/* --------------------------------------------------------------------------
   RESPONSIVE — Mobile (≤ 768px)
   -------------------------------------------------------------------------- */
@media only screen and (max-width: 48em) {
    .htd-contact-hero {
        padding: 50px 0 40px;
    }

    .htd-contact-hero h1 {
        font-size: var(--htd-text-2xl);
    }

    .htd-contact-hero__subtitle {
        font-size: var(--htd-text-base);
    }

    .htd-contact-cards {
        margin-top: -20px;
    }

    .htd-contact-cards__grid {
        grid-template-columns: 1fr;
        gap: var(--htd-space-4);
    }

    .htd-contact-card {
        display: flex;
        align-items: center;
        gap: var(--htd-space-4);
        padding: var(--htd-space-5) var(--htd-space-6);
        text-align: left;
    }

    .htd-contact-card__icon {
        margin-bottom: 0;
        width: 48px;
        height: 48px;
    }

    .htd-contact-card__content {
        flex: 1;
    }

    .htd-contact-main {
        padding: var(--htd-space-10) var(--htd-space-4) var(--htd-space-12);
    }

    .htd-contact-form-col {
        padding: var(--htd-space-6);
    }

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

    .htd-sidebar-box {
        padding: var(--htd-space-6);
    }

    .htd-contact-map {
        padding: 0 var(--htd-space-4);
        margin-bottom: var(--htd-space-12);
    }

    .htd-contact-map__wrapper iframe {
        height: 300px;
    }

    .htd-contact-map__badge {
        position: relative;
        bottom: auto;
        left: auto;
        max-width: 100%;
        border-radius: 0 0 var(--htd-radius-xl) var(--htd-radius-xl);
        border-top: 1px solid var(--htd-border);
    }
}

/* --------------------------------------------------------------------------
   ANIMATIONS (scroll reveal)
   -------------------------------------------------------------------------- */
.htd-contact-animate {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.htd-contact-animate.htd-visible {
    opacity: 1;
    transform: translateY(0);
}

.htd-contact-animate:nth-child(2) { transition-delay: 80ms; }
.htd-contact-animate:nth-child(3) { transition-delay: 160ms; }
.htd-contact-animate:nth-child(4) { transition-delay: 240ms; }

/* Hero entrance */
.htd-contact-hero__inner {
    animation: htdHeroFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes htdHeroFadeIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .htd-contact-animate,
    .htd-contact-hero__inner {
        opacity: 1;
        transform: none;
        animation: none;
        transition: none;
    }
}