/* ==========================================================================
   NHA KHOA 3D - TRANG GIỚI THIỆU (ABOUT US) DESIGN SYSTEM
   Modern, High-Tech, Professional & Synchronized with Home Page
   ========================================================================== */

/* 1. RESET & VARIABLES */
:root {
    --nk-navy: #0f294a;
    --nk-navy-dark: #0a1c33;
    --nk-blue: #0084c9;
    --nk-blue-hover: #006ea8;
    --nk-blue-light: #e0f2fe;
    --nk-sky: #38bdf8;
    --nk-bg-soft: #f8fafc;
    --nk-border: #e2e8f0;
    --nk-text-dark: #0f172a;
    --nk-text-body: #334155;
    --nk-text-muted: #64748b;
    --nk-gold: #f59e0b;
    --nk-green: #10b981;
    --nk-radius-sm: 8px;
    --nk-radius-md: 14px;
    --nk-radius-lg: 18px;
    --nk-radius-xl: 24px;
    --nk-shadow-sm: 0 4px 12px rgba(15, 41, 74, 0.05);
    --nk-shadow-md: 0 8px 24px rgba(15, 41, 74, 0.08);
    --nk-shadow-lg: 0 16px 36px rgba(15, 41, 74, 0.12);
    --nk-transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.about-page-wrapper {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    color: var(--nk-text-body);
    background-color: #ffffff;
    overflow-x: hidden;
    line-height: 1.65;
}

/* 2. HERO HEADER & BREADCRUMBS */
.about-hero-section {
    position: relative;
    background: linear-gradient(135deg, #07192f 0%, #0f294a 55%, #0077b6 100%);
    padding: 35px 0 50px;
    color: #ffffff;
    overflow: hidden;
}

.about-hero-section::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.15) 0%, rgba(15, 41, 74, 0) 70%);
    pointer-events: none;
    border-radius: 50%;
}

.about-hero-section::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 132, 201, 0.18) 0%, rgba(15, 41, 74, 0) 70%);
    pointer-events: none;
    border-radius: 50%;
}

/* Modern Breadcrumbs */
.about-breadcrumbs {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 6px 16px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 13.5px;
    margin-bottom: 22px;
}

.about-breadcrumbs a {
    color: #e2e8f0;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--nk-transition);
}

.about-breadcrumbs a:hover {
    color: #38bdf8;
}

.about-breadcrumbs .crumb-sep {
    color: rgba(255, 255, 255, 0.4);
    font-size: 11px;
}

.about-breadcrumbs .crumb-current {
    color: #38bdf8;
    font-weight: 600;
}

/* Hero Content */
.about-hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 960px;
    margin: 0 auto;
}

.about-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(56, 189, 248, 0.16);
    border: 1px solid rgba(56, 189, 248, 0.4);
    color: #7dd3fc;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    margin-bottom: 14px;
}

.about-hero-badge i {
    font-size: 13px;
    color: #38bdf8;
}

.about-hero-title {
    color: #ffffff;
    font-size: 38px;
    font-weight: 800;
    line-height: 1.25;
    margin: 0 0 16px;
    letter-spacing: -0.5px;
}

.about-hero-desc {
    color: #e2e8f0;
    font-size: 16.5px;
    line-height: 1.65;
    max-width: 820px;
    margin: 0 auto 35px;
    font-weight: 400;
}

/* Hero Stats Grid */
.about-hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 30px;
}

.hero-stat-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--nk-radius-md);
    padding: 18px 14px;
    text-align: center;
    transition: var(--nk-transition);
}

.hero-stat-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(56, 189, 248, 0.4);
}

.hero-stat-number {
    font-size: 32px;
    font-weight: 800;
    color: #38bdf8;
    line-height: 1.1;
    margin-bottom: 6px;
    display: block;
    font-family: 'Roboto', sans-serif;
}

.hero-stat-label {
    font-size: 13px;
    color: #e2e8f0;
    font-weight: 500;
    line-height: 1.4;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* 3. SECTION COMMONS */
.about-section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--nk-blue-light);
    color: var(--nk-blue);
    font-size: 12.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 12px;
    align-self: flex-start;
    width: fit-content;
    max-width: max-content;
}

.about-header-center .about-section-tag {
    align-self: center;
    margin-left: auto;
    margin-right: auto;
}

.about-section-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--nk-navy);
    line-height: 1.3;
    margin: 0 0 14px;
}

.about-section-subtitle {
    font-size: 16px;
    color: var(--nk-text-muted);
    line-height: 1.6;
    margin: 0 auto;
}

.about-header-center {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 45px;
}

/* 4. STORY SECTION (COMPACT, BALANCED, ZERO DEAD WHITESPACE) */
.about-story-section {
    padding: 50px 0;
    background: #ffffff;
}

.story-grid-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    align-items: stretch;
}

.story-left-col {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.story-lead-box {
    background: #f0f9ff;
    border-left: 4px solid var(--nk-blue);
    padding: 12px 18px;
    border-radius: 0 var(--nk-radius-sm) var(--nk-radius-sm) 0;
    margin-bottom: 14px;
}

.story-lead-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--nk-navy);
    line-height: 1.6;
    margin: 0;
}

.story-body-text p {
    font-size: 14.5px;
    color: var(--nk-text-body);
    line-height: 1.68;
    margin-bottom: 12px;
    text-align: justify;
}

.story-body-text p:last-child {
    margin-bottom: 0;
}

/* 3 Mini Checkpoints */
.story-mini-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 18px 0 22px;
}

.mini-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #f8fafc;
    border: 1px solid var(--nk-border);
    border-radius: var(--nk-radius-md);
    padding: 10px 12px;
    transition: var(--nk-transition);
}

.mini-feature-item:hover {
    border-color: #bae6fd;
    background: #f0f9ff;
    transform: translateY(-2px);
}

.mini-feature-icon {
    width: 34px;
    height: 34px;
    min-width: 34px;
    border-radius: 50%;
    background: var(--nk-blue-light);
    color: var(--nk-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
}

.mini-feature-text strong {
    display: block;
    font-size: 13px;
    font-weight: 700;
    color: var(--nk-navy);
    line-height: 1.3;
}

.mini-feature-text span {
    display: block;
    font-size: 11.5px;
    color: var(--nk-text-muted);
    line-height: 1.25;
    margin-top: 2px;
}

/* Story Action Buttons */
.story-actions-group {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.btn-about-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--nk-blue) 0%, #0077b6 100%);
    color: #ffffff !important;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 12px 24px;
    border-radius: 999px;
    text-decoration: none !important;
    box-shadow: 0 4px 14px rgba(0, 132, 201, 0.28);
    transition: var(--nk-transition);
    cursor: pointer;
}

.btn-about-primary:hover {
    background: linear-gradient(135deg, #0077b6 0%, var(--nk-navy) 100%);
    box-shadow: 0 8px 20px rgba(15, 41, 74, 0.22);
    transform: translateY(-2px);
}

.btn-about-hotline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #f1f5f9;
    color: var(--nk-navy) !important;
    border: 1px solid var(--nk-border);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 20px;
    border-radius: 999px;
    text-decoration: none !important;
    transition: var(--nk-transition);
}

.btn-about-hotline:hover {
    background: #e2e8f0;
    color: var(--nk-blue) !important;
    border-color: #cbd5e1;
}

/* Story Visual Card (Right Column) */
.story-right-col {
    display: flex;
    flex-direction: column;
    position: relative;
    height: 100%;
}

.story-image-card {
    position: relative;
    border-radius: var(--nk-radius-lg);
    overflow: hidden;
    box-shadow: var(--nk-shadow-md);
    border: 1px solid var(--nk-border);
    height: 100%;
    min-height: 420px;
    display: flex;
}

.story-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.story-image-card:hover img {
    transform: scale(1.03);
}

/* Badges inside card */
.visual-badge-top {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(15, 41, 74, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: var(--nk-radius-sm);
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
    font-size: 12.5px;
    font-weight: 700;
    z-index: 2;
}

.visual-badge-top i {
    color: var(--nk-gold);
    font-size: 16px;
}

.visual-badge-bottom-card {
    position: absolute;
    bottom: 18px;
    left: 18px;
    right: 18px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--nk-border);
    border-radius: var(--nk-radius-md);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    z-index: 2;
}

.visual-badge-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: linear-gradient(135deg, var(--nk-blue) 0%, #38bdf8 100%);
    color: #ffffff;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
}

.visual-badge-info h5 {
    font-size: 14px;
    font-weight: 800;
    color: var(--nk-navy);
    margin: 0 0 2px;
}

.visual-badge-info p {
    font-size: 12px;
    color: var(--nk-text-muted);
    margin: 0;
    line-height: 1.35;
}

/* 5. DOCTOR TEAM SECTION (MOCKUP ACCURATE: MASTER FEATURED CARD + 3 SUB-CARDS) */
.about-doctors-section {
    padding: 65px 0;
    background: #ffffff;
}

/* Master Featured Doctor Card */
.doctor-featured-wrapper {
    background: #f8fbfe;
    border: 1px solid #dbeafe;
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 10px 30px rgba(15, 41, 74, 0.05);
    margin-bottom: 32px;
    transition: var(--nk-transition);
}

.doctor-featured-wrapper:hover {
    box-shadow: 0 16px 45px rgba(15, 41, 74, 0.09);
    border-color: #bae6fd;
}

.doctor-featured-grid {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 36px;
    align-items: stretch;
}

.doctor-featured-photo-col {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: #e2e8f0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    min-height: 400px;
    display: flex;
}

.doctor-featured-img {
    width: 100%;
    height: 100%;
    min-height: 400px;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform 0.5s ease;
}

.doctor-featured-wrapper:hover .doctor-featured-img {
    transform: scale(1.03);
}

.featured-photo-bottom-card {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: 0 0 var(--nk-radius-md) var(--nk-radius-md);
    padding: 14px 20px;
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
    z-index: 2;
}

.featured-photo-doctor-name {
    font-size: 15.5px;
    font-weight: 800;
    color: var(--nk-navy);
    margin: 0 0 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    line-height: 1.3;
}

.featured-photo-doctor-role {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--nk-blue);
    margin: 0;
    line-height: 1.35;
}

/* Featured Doctor Content */
.doctor-featured-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.doctor-exp-pill-lg {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.doctor-exp-pill-lg i {
    font-size: 14px;
    color: #10b981;
}

.doctor-featured-quote {
    font-size: 23px;
    font-weight: 800;
    color: var(--nk-navy);
    line-height: 1.38;
    margin: 0 0 16px;
    letter-spacing: -0.3px;
}

.doctor-featured-bio {
    font-size: 14.5px;
    color: var(--nk-text-body);
    line-height: 1.68;
    margin: 0 0 22px;
    text-align: justify;
}

/* 2x2 Qualifications Grid */
.doctor-qualifications-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.qualification-item {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 14px;
    transition: var(--nk-transition);
}

.qualification-item:hover {
    border-color: #bae6fd;
    background: #f0f9ff;
    transform: translateY(-2px);
}

.qualification-item i {
    color: var(--nk-blue);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.qualification-item span {
    font-size: 13px;
    font-weight: 600;
    color: var(--nk-navy);
    line-height: 1.35;
}

.btn-doctor-consult {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--nk-blue) 0%, #0077b6 100%);
    color: #ffffff !important;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 13px 26px;
    border-radius: 10px;
    text-decoration: none !important;
    box-shadow: 0 4px 14px rgba(0, 132, 201, 0.28);
    transition: var(--nk-transition);
    align-self: flex-start;
    cursor: pointer;
}

.btn-doctor-consult:hover {
    background: linear-gradient(135deg, #0077b6 0%, var(--nk-navy) 100%);
    box-shadow: 0 8px 22px rgba(15, 41, 74, 0.22);
    transform: translateY(-2px);
}

/* 3 Specialist Doctor Sub-Cards */
.doctor-sub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.doctor-sub-card {
    background: #ffffff;
    border: 1px solid var(--nk-border);
    border-radius: var(--nk-radius-lg);
    padding: 24px 20px;
    box-shadow: var(--nk-shadow-sm);
    transition: var(--nk-transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    cursor: pointer;
    position: relative;
}

.doctor-sub-card:hover,
.doctor-sub-card.active {
    border-color: var(--nk-blue);
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0, 132, 201, 0.12);
    background: #f8fbfe;
}

.doctor-sub-card.active::after {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 4px;
    background: var(--nk-blue);
    border-radius: 999px;
}

.doctor-sub-avatar {
    width: 86px;
    height: 86px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid #e0f2fe;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 14px;
    background: #f1f5f9;
    transition: var(--nk-transition);
}

.doctor-sub-card:hover .doctor-sub-avatar,
.doctor-sub-card.active .doctor-sub-avatar {
    border-color: var(--nk-blue);
    transform: scale(1.05);
}

.doctor-sub-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.doctor-sub-name {
    font-size: 15.5px;
    font-weight: 800;
    color: var(--nk-navy);
    margin: 0 0 5px;
    line-height: 1.3;
}

.doctor-sub-role {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--nk-blue);
    margin: 0 0 10px;
    line-height: 1.35;
}

.doctor-sub-bio {
    font-size: 13px;
    color: var(--nk-text-muted);
    line-height: 1.55;
    margin: 0;
}

/* ==========================================================================
   4. ĐẶT LỊCH TƯ VẤN & TIN TỨC NỔI BẬT (.about-consult-news-section)
   Thiết kế Y tế Chuyên nghiệp, Tinh tế, Thực tế, Chuẩn mực Responsive
   ========================================================================== */
.about-consult-news-section {
    padding: 64px 0 72px;
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.consult-news-grid {
    display: grid;
    grid-template-columns: 1.32fr 1fr;
    gap: 32px;
    align-items: stretch;
}

/* --- Panel 1: Card Đặt Lịch Tư Vấn --- */
.consult-form-panel {
    display: flex;
    flex-direction: column;
}

.consult-form-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 34px 32px;
    box-shadow: 0 4px 20px rgba(15, 41, 74, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.consult-card-header {
    margin-bottom: 22px;
}

.consult-badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #e0f2fe;
    color: #0284c7;
    font-size: 11.5px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 12px;
}

.consult-card-title {
    font-size: 23px;
    font-weight: 800;
    color: #0f294a;
    line-height: 1.35;
    margin: 0 0 8px;
    letter-spacing: -0.2px;
}

.consult-card-desc {
    font-size: 14px;
    color: #64748b;
    line-height: 1.55;
    margin: 0;
}

/* Form layout */
.consult-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-grow: 1;
}

.form-row-duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-control-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-control-group.full-span {
    width: 100%;
}

.consult-label {
    font-size: 13px;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 4px;
}

.consult-label .text-danger {
    color: #ef4444;
}

.consult-input,
.consult-select,
.consult-textarea {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13.5px;
    color: #0f172a;
    background-color: #f8fafc;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    outline: none;
    font-family: inherit;
    box-sizing: border-box;
}

.consult-input:focus,
.consult-select:focus,
.consult-textarea:focus {
    border-color: #0084c9;
    background-color: #ffffff;
    box-shadow: 0 0 0 3px rgba(0, 132, 201, 0.12);
}

.consult-input::placeholder,
.consult-textarea::placeholder {
    color: #94a3b8;
    font-size: 13px;
}

.consult-input,
.consult-select {
    height: 44px;
    min-height: 44px;
}

.consult-select-wrap {
    position: relative;
    width: 100%;
}

.consult-select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 34px;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 14px;
    cursor: pointer;
}

.consult-textarea {
    min-height: 72px;
    resize: vertical;
    line-height: 1.45;
}

.consult-submit-row {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

.btn-consult-submit {
    width: 100%;
    min-height: 46px;
    height: 46px;
    background: linear-gradient(135deg, #0084c9 0%, #006da8 100%);
    color: #ffffff !important;
    border: none;
    border-radius: 8px;
    font-size: 14.5px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    box-shadow: 0 4px 14px rgba(0, 132, 201, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-consult-submit:hover {
    background: linear-gradient(135deg, #006da8 0%, #0b3a75 100%);
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(11, 58, 117, 0.28);
}

.btn-consult-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.consult-security-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 12px;
    color: #64748b;
    line-height: 1.4;
    text-align: center;
}

.consult-security-note i {
    color: #0284c7;
    font-size: 13px;
}

/* --- Panel 2: Card Tin Tức Nổi Bật --- */
.consult-news-panel {
    display: flex;
    flex-direction: column;
}

.consult-news-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 30px 26px;
    box-shadow: 0 4px 20px rgba(15, 41, 74, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.consult-news-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 1px solid #f1f5f9;
    gap: 12px;
}

.news-badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fef3c7;
    color: #b45309;
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
}

.news-panel-title {
    font-size: 20px;
    font-weight: 800;
    color: #0f294a;
    line-height: 1.35;
    margin: 0;
    letter-spacing: -0.2px;
}

.news-view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12.5px;
    font-weight: 700;
    color: #0084c9;
    text-decoration: none !important;
    white-space: nowrap;
    margin-top: 6px;
    transition: color 0.2s ease;
}

.news-view-all-link:hover {
    color: #0b3a75;
    text-decoration: underline !important;
}

/* Danh sách tin tức mini */
.news-featured-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    flex-grow: 1;
    margin-bottom: 20px;
}

.news-mini-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 14px;
    align-items: center;
    padding-bottom: 14px;
    border-bottom: 1px solid #f1f5f9;
    transition: transform 0.2s ease;
}

.news-mini-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.news-mini-item:hover {
    transform: translateX(3px);
}

.news-mini-thumb-link {
    display: block;
    width: 100px;
    height: 72px;
    border-radius: 8px;
    overflow: hidden;
    background: #e2e8f0;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.news-mini-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
    display: block;
}

.news-mini-item:hover .news-mini-img {
    transform: scale(1.06);
}

.news-mini-info {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.news-mini-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11.5px;
}

.news-mini-cat {
    color: #0284c7;
    font-weight: 700;
    background: #e0f2fe;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.news-mini-date {
    color: #94a3b8;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}

.news-mini-title {
    font-size: 13.5px;
    font-weight: 700;
    line-height: 1.45;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-mini-title a {
    color: #0f294a;
    text-decoration: none !important;
    transition: color 0.2s ease;
}

.news-mini-title a:hover {
    color: #0084c9;
}

/* Hotline tư vấn trực tiếp chân card tin tức */
.consult-direct-hotline {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    border-radius: 10px;
    padding: 12px 16px;
    margin-top: auto;
}

.hotline-icon-box {
    width: 38px;
    height: 38px;
    min-width: 38px;
    background: #16a34a;
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.hotline-text-wrap {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.hotline-sub {
    font-size: 11px;
    color: #166534;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.hotline-nums {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13.5px;
    font-weight: 800;
}

.hotline-nums a {
    color: #15803d;
    text-decoration: none !important;
}

.hotline-nums a:hover {
    text-decoration: underline !important;
}

.hotline-sep {
    color: #86efac;
}

/* ==========================================================================
   RESPONSIVE DESIGN (BREAKPOINTS)
   ========================================================================== */

/* Laptop & Tablet Landscape (992px - 1199px) */
@media (max-width: 1199px) {
    .about-hero-title {
        font-size: 32px;
    }
    .story-grid-container {
        gap: 28px;
    }
    .doctor-featured-grid {
        grid-template-columns: 310px 1fr;
        gap: 28px;
    }
    .doctor-sub-grid {
        gap: 18px;
    }
    .consult-news-grid {
        gap: 24px;
        grid-template-columns: 1.25fr 1fr;
    }
}

/* Tablet Portrait (768px - 991px) */
@media (max-width: 991px) {
    .about-hero-title {
        font-size: 28px;
    }
    .about-hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .about-story-section {
        padding: 40px 0;
    }
    .story-grid-container {
        grid-template-columns: 1fr;
        gap: 26px;
    }
    .story-image-card {
        height: auto;
        min-height: unset;
        aspect-ratio: 16/10;
        max-height: none;
        border-radius: 14px;
    }
    .visual-badge-bottom-card {
        position: static;
        margin-top: 14px;
        width: 100%;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    }
    .story-mini-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
    .doctor-featured-wrapper {
        padding: 26px 22px;
    }
    .doctor-featured-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .doctor-featured-photo-col {
        min-height: 380px;
        max-height: none;
        height: 390px;
        border-radius: 14px;
    }
    .doctor-featured-img {
        object-position: 50% 0%;
    }
    .featured-photo-bottom-card {
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 0 0 14px 14px;
        padding: 12px 18px;
    }
    .doctor-sub-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .about-consult-news-section {
        padding: 48px 0 56px;
    }
    .consult-news-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .consult-form-card,
    .consult-news-card {
        padding: 28px 24px;
    }
}

/* Mobile Devices (<= 767px) */
@media (max-width: 767px) {
    .about-page-wrapper {
        overflow-x: hidden;
    }
    .about-hero-section {
        padding: 22px 0 28px;
    }
    .about-hero-badge {
        font-size: 11px;
        padding: 5px 12px;
    }
    .about-hero-title {
        font-size: 22px;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    .about-hero-desc {
        font-size: 13.5px;
        line-height: 1.6;
        margin-bottom: 20px;
    }
    .about-hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    .hero-stat-card {
        padding: 10px 4px;
        min-width: 0;
        overflow: hidden;
    }
    .hero-stat-number {
        font-size: 20px;
        letter-spacing: -0.5px;
        white-space: nowrap;
    }
    .hero-stat-label {
        font-size: 10.5px;
        line-height: 1.3;
        white-space: normal;
        word-break: break-word;
    }
    .about-story-section {
        padding: 28px 0;
    }
    .about-section-tag {
        font-size: 11.5px;
        padding: 4px 12px;
    }
    .about-section-title {
        font-size: 21px;
        line-height: 1.35;
    }
    .about-section-subtitle {
        font-size: 14px;
    }
    .story-grid-container {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .story-lead-box {
        padding: 10px 14px;
        margin-bottom: 12px;
    }
    .story-lead-text {
        font-size: 14px;
    }
    .story-body-text p {
        font-size: 14px;
        line-height: 1.65;
        text-align: left;
    }
    .story-mini-features {
        grid-template-columns: 1fr;
        gap: 8px;
        margin: 14px 0 18px;
    }
    .mini-feature-item {
        padding: 8px 10px;
    }
    .story-actions-group {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .btn-about-primary,
    .btn-about-hotline {
        justify-content: center;
        width: 100%;
        text-align: center;
        font-size: 13.5px;
        padding: 12px 20px;
    }
    .story-image-card {
        height: auto;
        min-height: 220px;
        aspect-ratio: 16/11;
        max-height: none;
        border-radius: 14px;
    }
    .visual-badge-top {
        top: 10px;
        right: 10px;
        padding: 5px 10px;
        font-size: 11.5px;
    }
    .visual-badge-bottom-card {
        position: static;
        margin-top: 12px;
        width: 100%;
        padding: 12px 14px;
        border-radius: 12px;
        box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
    }

    /* Doctor Section Mobile */
    .about-doctors-section {
        padding: 35px 0;
    }
    .doctor-featured-wrapper {
        padding: 18px 14px;
        border-radius: 16px;
        margin-bottom: 20px;
    }
    .doctor-featured-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    .doctor-featured-photo-col {
        min-height: 350px;
        max-height: none;
        height: 360px;
        border-radius: 14px;
        overflow: hidden;
        position: relative;
    }
    .doctor-featured-img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: 50% 0%;
    }
    .featured-photo-bottom-card {
        bottom: 0;
        left: 0;
        right: 0;
        border-radius: 0 0 14px 14px;
        padding: 12px 16px;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
        z-index: 2;
    }
    .featured-photo-doctor-name {
        font-size: 15px;
        font-weight: 800;
        color: #0b1528;
        margin: 0 0 3px;
        text-transform: uppercase;
    }
    .featured-photo-doctor-role {
        font-size: 12.5px;
        font-weight: 600;
        color: #0084c9;
        margin: 0;
    }
    .doctor-exp-pill-lg {
        font-size: 11.5px;
        padding: 5px 12px;
        margin-bottom: 12px;
    }
    .doctor-featured-quote {
        font-size: 18px;
        line-height: 1.35;
        margin-bottom: 12px;
    }
    .doctor-featured-bio {
        font-size: 13.5px;
        line-height: 1.6;
        margin-bottom: 16px;
    }
    .doctor-qualifications-grid {
        grid-template-columns: 1fr;
        gap: 8px;
        margin-bottom: 18px;
    }
    .qualification-item {
        padding: 8px 12px;
    }
    .qualification-item span {
        font-size: 12px;
    }
    .btn-doctor-consult {
        width: 100%;
        text-align: center;
        justify-content: center;
        font-size: 13px;
        padding: 12px 18px;
        border-radius: 10px;
    }
    .doctor-sub-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .doctor-sub-card {
        padding: 18px 16px;
    }

    /* Consult & News Section Mobile */
    .about-consult-news-section {
        padding: 34px 0 42px;
    }
    .consult-news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .consult-form-card,
    .consult-news-card {
        padding: 20px 16px;
        border-radius: 14px;
    }
    .consult-card-title {
        font-size: 19px;
    }
    .consult-card-desc {
        font-size: 13px;
        margin-bottom: 16px;
    }
    .form-row-duo {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .consult-input,
    .consult-select {
        height: 46px;
        min-height: 46px;
        font-size: 14px;
    }
    .btn-consult-submit {
        height: 48px;
        min-height: 48px;
        font-size: 14px;
    }
    .news-panel-title {
        font-size: 18px;
    }
    .news-mini-item {
        grid-template-columns: 85px 1fr;
        gap: 12px;
    }
    .news-mini-thumb-link {
        width: 85px;
        height: 64px;
    }
    .news-mini-title {
        font-size: 13px;
    }
    .consult-direct-hotline {
        padding: 10px 14px;
    }
    .hotline-nums {
        font-size: 12.5px;
    }
}

/* ==========================================================================
   ABOUT PAGE 2-COLUMN DESIGN (PURE WHITE BACKGROUND, NO BORDER LIKE NEWS PAGE)
   ========================================================================== */
.about-page-wrapper,
.about-page-wrapper .news-main-section,
.about-main-section {
    background-color: #ffffff !important;
    background: #ffffff !important;
}

/* Bài viết giới thiệu bên trái: Nền trắng, BỎ VIỀN, không đổ bóng, giống 100% trang tin tức */
.about-detail-content,
.about-detail-wrap,
.about-article-card {
    background-color: #ffffff !important;
    background: #ffffff !important;
    border: none !important;
    box-shadow: none !important;
    padding: 0 0 20px 0 !important;
    border-radius: 0 !important;
}

/* Lead Quote nhẹ nhàng */
.about-lead-quote {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 4px solid #0084c9;
    border-radius: 0 12px 12px 0;
    padding: 18px 22px;
    margin: 22px 0 28px;
    position: relative;
}

.about-lead-quote p {
    margin: 0;
    font-size: 15px;
    color: #1e3a8a;
    font-style: italic;
    line-height: 1.7;
}

.about-lead-quote .quote-icon {
    font-size: 18px;
    color: #38bdf8;
    margin-bottom: 6px;
    display: block;
    opacity: 0.85;
}

/* 3 Core Features */
.about-core-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}

.core-feature-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 18px 14px;
    transition: all 0.25s ease;
}

.core-feature-card:hover {
    transform: translateY(-2px);
    border-color: #38bdf8;
    background: #ffffff;
    box-shadow: 0 6px 16px rgba(0, 132, 201, 0.08);
}

.feature-icon-box {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: #e0f2fe;
    color: #0084c9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    margin-bottom: 12px;
}

.feature-text-box h4 {
    font-size: 14px;
    font-weight: 800;
    color: #0f294a;
    margin: 0 0 6px;
    line-height: 1.35;
}

.feature-text-box p {
    font-size: 12.5px;
    color: #64748b;
    margin: 0;
    line-height: 1.5;
}

/* Body Content chuẩn trang tin tức */
.about-body-text {
    font-size: 15px;
    line-height: 1.8;
    color: #334155;
    margin-bottom: 25px;
}

.about-body-text p {
    margin-bottom: 18px;
    text-align: justify;
}

.about-body-text img {
    max-width: 100% !important;
    height: auto !important;
    border-radius: 10px;
    margin: 20px auto;
    display: block;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

/* Signature */
.about-signature-section {
    text-align: right;
    padding: 20px 0 24px;
    border-top: 1px dashed #cbd5e1;
    margin-top: 25px;
}

.signature-line {
    width: 50px;
    height: 3px;
    background: #0084c9;
    margin-left: auto;
    margin-bottom: 10px;
    border-radius: 2px;
}

.signature-title {
    font-size: 12.5px;
    font-weight: 800;
    letter-spacing: 0.8px;
    color: #64748b;
    text-transform: uppercase;
    margin: 0 0 3px;
}

.signature-clinic {
    font-size: 15.5px;
    font-weight: 900;
    color: #0f294a;
    margin: 0;
}

/* Responsive Tablet & Mobile */
@media (max-width: 991px) {
    .about-core-features {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .about-content-col {
        margin-bottom: 35px;
    }
    .about-hero-title {
        font-size: 26px;
    }
    .about-hero-desc {
        font-size: 14.5px;
        margin-bottom: 0;
    }
}

@media (max-width: 480px) {
    .about-hero-title {
        font-size: 21px;
    }
    .about-hero-desc {
        font-size: 13px;
        margin-bottom: 0;
    }
    .about-lead-quote {
        padding: 14px 16px;
    }
    .about-lead-quote p {
        font-size: 13.5px;
    }
    .about-body-text {
        font-size: 14px;
        line-height: 1.7;
    }
}