/**
 * Homepage CSS — Nha Khoa Hoàng Yến
 * Styles riêng cho front-page.php
 * @package nkhyvn-astra-child
 */

/* ─── HERO SECTION ───────────────────────────────────────────── */
.nkhyvn-hero {
    position: relative;
    min-height: 100vh;
    min-height: clamp(600px, 100vh, 900px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg,
        var(--bg-dark) 0%,
        var(--primary-dark) 50%,
        #1a4a2a 100%);
    overflow: hidden;
    padding: 7rem 0 5rem;
}

/* Background pattern */
.nkhyvn-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(46,139,87,0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212,32,39,0.08) 0%, transparent 40%),
        url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M0 0h80v80H0z'/%3E%3Ccircle cx='40' cy='40' r='30'/%3E%3C/g%3E%3C/svg%3E") repeat;
    pointer-events: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,20,15,0.7) 0%, rgba(10,20,15,0.3) 60%, transparent 100%);
    pointer-events: none;
}

.hero-content.container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Hero Text */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    color: rgba(255,255,255,0.9);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2rem, 4vw, 3.25rem);
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 0.75rem;
}

.hero-title-accent {
    color: #7BE39B; /* light green against dark bg */
}

.hero-slogan {
    font-size: var(--text-xl);
    color: rgba(255,255,255,0.85);
    font-style: italic;
    font-weight: 500;
    margin-bottom: 1.25rem;
    border-left: 3px solid var(--accent);
    padding-left: 1rem;
}

.hero-desc {
    font-size: var(--text-base);
    color: rgba(255,255,255,0.75);
    line-height: 1.75;
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-info-bar {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero-info-bar span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.65);
}

.hero-info-bar svg { flex-shrink: 0; }

/* Hero Image */
.hero-img-wrap {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-img-wrap img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
}

/* Fallback gradient if no image */
.hero-img-wrap img[style*="display:none"] + * {
    display: none;
}

.hero-img-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
    z-index: -1;
}

.hero-float-badge {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: white;
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    min-width: 100px;
}

.badge-number {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
}

.badge-text {
    font-size: var(--text-xs);
    color: var(--text-secondary);
    font-weight: 500;
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll span {
    display: block;
    width: 2px;
    height: 40px;
    background: rgba(255,255,255,0.4);
    margin: 0 auto;
    border-radius: 2px;
    animation: scroll-down 1.5s ease infinite;
}

@keyframes scroll-down {
    0%   { transform: scaleY(0); transform-origin: top; }
    50%  { transform: scaleY(1); transform-origin: top; }
    51%  { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ─── TRUST SECTION ──────────────────────────────────────────── */
.nkhyvn-trust {
    background: var(--bg-dark);
    padding: 3rem 0;
}

.nkhyvn-trust .trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.nkhyvn-trust .trust-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: none;
    flex-direction: column;
    text-align: center;
    padding: 2rem 1.5rem;
}

.nkhyvn-trust .trust-icon {
    width: 64px;
    height: 64px;
    background: rgba(46,139,87,0.2);
    border-radius: 50%;
    margin: 0 auto 1rem;
    font-size: 1.75rem;
}

.nkhyvn-trust .trust-number {
    font-size: 2.5rem;
    color: #7BE39B;
}

.nkhyvn-trust .trust-label {
    color: rgba(255,255,255,0.65);
    font-size: var(--text-sm);
}

/* ─── SERVICES SECTION ───────────────────────────────────────── */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card-service { position: relative; }

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.services-cta { margin-top: 1rem; }

/* ─── TEAM SECTION ───────────────────────────────────────────── */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.doctor-photo-wrap {
    position: relative;
    width: 130px;
    height: 130px;
    margin: 0 auto 1.25rem;
}

.doctor-photo {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-100);
    display: block;
}

.doctor-exp-badge {
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.doctor-school {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--text-xs);
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    justify-content: center;
}

.doctor-specs { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }

/* ─── WHY SECTION ─────────────────────────────────────────────── */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.why-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.why-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.why-title {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.why-desc {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ─── REVIEWS SECTION ────────────────────────────────────────── */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* ─── FAQ SECTION ─────────────────────────────────────────────── */
.faq-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 5rem;
    align-items: start;
}

.faq-left { position: sticky; top: 120px; }

/* ─── VIDEO SECTION ──────────────────────────────────────────── */
.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.video-card { border-radius: var(--radius-lg); overflow: hidden; }

/* ─── BLOG SECTION ───────────────────────────────────────────── */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* ─── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1024px) {
    .hero-content.container { grid-template-columns: 1fr; gap: 3rem; }
    .hero-image { order: -1; }
    .hero-img-wrap img { height: 340px; }
    .nkhyvn-hero { padding: 6rem 0 4rem; min-height: auto; text-align: center; }
    .hero-cta { justify-content: center; }
    .hero-info-bar { justify-content: center; }
    .hero-overlay { background: rgba(10,20,15,0.5); }

    .nkhyvn-trust .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    .video-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-layout { grid-template-columns: 1fr; gap: 2.5rem; }
    .faq-left { position: static; }
}

@media (max-width: 768px) {
    .nkhyvn-trust .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .reviews-grid { grid-template-columns: 1fr; }
    .video-grid { grid-template-columns: 1fr; }
    .blog-grid { grid-template-columns: 1fr; }

    .hero-badge { font-size: 0.7rem; padding: 6px 12px; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-cta .btn { width: 100%; max-width: 300px; justify-content: center; }
}