/*
 * Điện Tử Minh Sơn - Main Stylesheet
 * Luxury European Navy & Gold Aesthetic
 */

/* ==================== GLOBAL STYLES ==================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #070d1a;
    color: #f8fafc;
    line-height: 1.6;
    overflow-x: hidden;
    padding-bottom: 60px; /* Space for mobile floating bar */
}

@media (min-width: 769px) {
    body {
        padding-bottom: 0;
    }
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.25s ease;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, select, textarea {
    font-family: inherit;
}

.site-container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.gold-gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* ==================== TOP BAR ==================== */
.top-bar {
    background: #040810;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 0.82rem;
    color: #94a3b8;
    padding: 8px 0;
}

.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left strong {
    color: #38bdf8;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-bar-right .divider {
    color: rgba(255, 255, 255, 0.2);
}

.top-hotline-link strong {
    color: #fbbf24;
}

@media (max-width: 768px) {
    .top-bar-right {
        display: none;
    }
    .top-bar-left {
        font-size: 0.78rem;
        text-align: center;
        width: 100%;
    }
}

/* ==================== SITE HEADER ==================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(11, 23, 42, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 76px;
}

/* Brand Logo */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-symbol {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #0b172a;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    line-height: 1.1;
}

.brand-tagline {
    font-size: 0.72rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

/* Desktop Navigation */
.desktop-nav .nav-menu {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 600;
    color: #cbd5e1;
    position: relative;
    padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
    color: #fbbf24;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #fbbf24;
    border-radius: 2px;
}

/* Header CTA */
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.btn-hotline-header {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #0b172a;
    padding: 8px 18px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-hotline-header:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
}

.phone-pulse-icon {
    font-size: 1.25rem;
    animation: pulse 1.5s infinite;
}

.btn-hotline-text {
    display: flex;
    flex-direction: column;
}

.btn-hotline-label {
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-hotline-number {
    font-size: 1rem;
    font-weight: 800;
    line-height: 1.1;
}

.mobile-toggle-btn {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
}

.mobile-toggle-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-drawer {
    display: none;
}

@media (max-width: 980px) {
    .desktop-nav {
        display: none;
    }
    .mobile-toggle-btn {
        display: flex;
    }
    .mobile-drawer {
        display: block;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
        background: #0b172a;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .mobile-drawer.open {
        max-height: 450px;
    }
    .mobile-nav-list {
        list-style: none;
        padding: 16px 20px 8px;
    }
    .mobile-nav-link {
        display: block;
        padding: 12px 0;
        font-size: 1rem;
        font-weight: 600;
        color: #e2e8f0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .mobile-drawer-cta {
        padding: 14px 20px 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 62px;
    }
    .brand-logo {
        gap: 8px;
    }
    .logo-symbol {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }
    .logo-symbol svg {
        width: 20px;
        height: 20px;
    }
    .brand-name {
        font-size: 1.05rem;
        line-height: 1.2;
    }
    .brand-tagline {
        font-size: 0.65rem;
        max-width: 155px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
    }
    .header-actions {
        gap: 10px;
    }
    .btn-hotline-header {
        padding: 0 !important;
        width: 40px !important;
        height: 40px !important;
        border-radius: 50% !important;
        justify-content: center !important;
        align-items: center !important;
        box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35) !important;
    }
    .btn-hotline-text {
        display: none !important;
    }
    .phone-pulse-icon {
        font-size: 1.15rem !important;
        margin: 0 !important;
    }
}

@media (max-width: 400px) {
    .header-inner {
        height: 58px;
    }
    .brand-tagline {
        display: none;
    }
    .brand-name {
        font-size: 0.96rem;
    }
}
    .btn-gold-block, .btn-zalo-block {
        display: block;
        text-align: center;
        padding: 10px;
        border-radius: 8px;
        font-weight: 700;
        font-size: 0.95rem;
    }
    .btn-gold-block {
        background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
        color: #0b172a;
    }
    .btn-zalo-block {
        background: #0284c7;
        color: #ffffff;
    }
}

/* ==================== HERO SECTION ==================== */
.hero-section {
    position: relative;
    background: radial-gradient(circle at 20% 20%, #172d54 0%, #0b172a 60%, #060b14 100%);
    padding: 60px 0 70px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}

@media (max-width: 980px) {
    .hero-content {
        grid-template-columns: 1fr;
    }
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.4);
    color: #fbbf24;
    border-radius: 999px;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-headline {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 18px;
    color: #ffffff;
}

@media (max-width: 640px) {
    .hero-headline {
        font-size: 2rem;
    }
}

.hero-subtext {
    font-size: 1.12rem;
    color: #94a3b8;
    max-width: 580px;
    margin-bottom: 28px;
    line-height: 1.65;
}

.hero-visual-card {
    background: rgba(21, 37, 64, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 18px 24px;
    max-width: 540px;
}

.tech-avatar-box {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 14px;
}

.avatar-circle {
    font-size: 2.2rem;
    background: #1e3a8a;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fbbf24;
}

.avatar-info {
    display: flex;
    flex-direction: column;
}

.tech-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
}

.tech-time {
    font-size: 0.85rem;
    color: #38bdf8;
    font-weight: 600;
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    color: #fbbf24;
}

.stat-label {
    font-size: 0.78rem;
    color: #94a3b8;
}

/* Hero Booking Card */
.booking-card {
    background: #111e33;
    border: 1px solid rgba(245, 158, 11, 0.35);
    border-radius: 20px;
    padding: 32px 28px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
    position: relative;
}

.booking-card-header {
    margin-bottom: 22px;
    text-align: center;
}

.booking-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    color: #fbbf24;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.booking-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 6px;
}

.booking-desc {
    font-size: 0.88rem;
    color: #94a3b8;
}

.form-field {
    margin-bottom: 16px;
}

.form-field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 6px;
}

.form-field label span.required {
    color: #ef4444;
}

.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    padding: 12px 14px;
    background: #0b1322;
    border: 1px solid #243552;
    border-radius: 10px;
    color: #ffffff;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    outline: none;
    border-color: #f59e0b;
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.btn-submit-hero, .btn-submit-gold {
    width: 100%;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #0b172a;
    font-size: 1.05rem;
    font-weight: 800;
    padding: 14px;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
    transition: all 0.25s ease;
    margin-top: 10px;
}

.btn-submit-hero:hover, .btn-submit-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.5);
}

.hero-form-footer {
    text-align: center;
    font-size: 0.78rem;
    color: #94a3b8;
    margin-top: 14px;
}

.form-alert {
    padding: 12px;
    border-radius: 8px;
    margin-top: 12px;
    font-size: 0.9rem;
    text-align: center;
}

.form-alert.success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid #10b981;
    color: #34d399;
}

.form-alert.error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid #ef4444;
    color: #f87171;
}

/* ==================== 3 TRUST BADGES BAR ==================== */
.trust-bar-section {
    background: #091322;
    padding: 28px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-bar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 768px) {
    .trust-bar-grid {
        grid-template-columns: 1fr;
    }
}

.trust-bar-item {
    background: rgba(21, 37, 64, 0.5);
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 14px;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.25s, border-color 0.25s;
}

.trust-bar-item:hover {
    transform: translateY(-3px);
    border-color: #f59e0b;
}

.trust-icon-box {
    font-size: 2rem;
    min-width: 50px;
    height: 50px;
    background: rgba(245, 158, 11, 0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-text h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 3px;
}

.trust-text p {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.4;
}

/* ==================== SECTION HEADINGS ==================== */
.section-header-center {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 46px;
}

.sub-heading-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(56, 189, 248, 0.15);
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: #38bdf8;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.main-heading {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #ffffff;
    margin-bottom: 12px;
}

@media (max-width: 640px) {
    .main-heading {
        font-size: 1.75rem;
    }
}

.section-desc {
    font-size: 1.02rem;
    color: #94a3b8;
    line-height: 1.6;
}

/* ==================== 4 SERVICES MAIN SECTION ==================== */
.services-main-section {
    padding: 80px 0;
    background: #0b172a;
}

.services-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

@media (max-width: 1100px) {
    .services-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .services-grid-4 {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: #111f36;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: #f59e0b;
    box-shadow: 0 16px 40px rgba(245, 158, 11, 0.2);
}

.service-card-num {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(11, 23, 42, 0.85);
    backdrop-filter: blur(6px);
    color: #fbbf24;
    font-weight: 800;
    font-size: 0.9rem;
    padding: 3px 10px;
    border-radius: 8px;
    z-index: 2;
    border: 1px solid rgba(251, 191, 36, 0.3);
}

.service-img-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #020617;
}

.service-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.service-card:hover .service-img-wrapper img {
    transform: scale(1.05);
}

.service-tag {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(245, 158, 11, 0.9);
    color: #0b172a;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 3px 8px;
    border-radius: 6px;
    text-transform: uppercase;
}

.service-card-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.service-card-subtitle {
    font-size: 0.85rem;
    color: #38bdf8;
    margin-bottom: 14px;
    min-height: 38px;
}

.service-checklist {
    list-style: none;
    margin-bottom: 20px;
}

.service-checklist li {
    font-size: 0.85rem;
    color: #cbd5e1;
    margin-bottom: 8px;
    line-height: 1.4;
}

.btn-service-action {
    width: 100%;
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid #f59e0b;
    color: #fbbf24;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
}

.service-card:hover .btn-service-action {
    background: #f59e0b;
    color: #0b172a;
}

/* ==================== ALL DEVICES MINI SECTION ==================== */
.all-devices-section {
    padding: 70px 0;
    background: #08101d;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.devices-grid-mini {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
}

@media (max-width: 1024px) {
    .devices-grid-mini {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .devices-grid-mini {
        grid-template-columns: repeat(2, 1fr);
    }
}

.device-box {
    background: #111d31;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 20px 16px;
    text-align: center;
    transition: transform 0.25s, border-color 0.25s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.device-box:hover {
    transform: translateY(-4px);
    border-color: #38bdf8;
}

.device-icon {
    font-size: 2.2rem;
    margin-bottom: 10px;
}

.device-box h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.device-box p {
    font-size: 0.8rem;
    color: #94a3b8;
    line-height: 1.4;
    margin-bottom: 12px;
}

.device-link {
    font-size: 0.82rem;
    font-weight: 700;
    color: #fbbf24;
}

/* ==================== PRICING SECTION ==================== */
.pricing-section {
    padding: 80px 0;
    background: #0b172a;
}

.pricing-table-card {
    background: #111e33;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    overflow-x: auto;
}

.custom-pricing-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 640px;
}

.custom-pricing-table th {
    background: #070d18;
    color: #fbbf24;
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 14px 16px;
    text-align: left;
    border-bottom: 2px solid #243552;
}

.custom-pricing-table td {
    padding: 16px;
    font-size: 0.92rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: #cbd5e1;
}

.custom-pricing-table tr:hover td {
    background: rgba(255, 255, 255, 0.02);
}

.price-highlight {
    color: #fbbf24;
    font-weight: 800;
    font-size: 1.05rem;
}

.btn-table-book {
    background: #2563eb;
    color: #ffffff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-table-book:hover {
    background: #1d4ed8;
}

.pricing-note {
    font-size: 0.82rem;
    color: #94a3b8;
    margin-top: 16px;
    line-height: 1.5;
}

/* ==================== PROCESS SECTION ==================== */
.process-section {
    padding: 80px 0;
    background: #08101e;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.process-steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

@media (max-width: 980px) {
    .process-steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 540px) {
    .process-steps-grid {
        grid-template-columns: 1fr;
    }
}

.step-card {
    background: #111d31;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 24px 18px;
    position: relative;
    transition: transform 0.25s, border-color 0.25s;
}

.step-card:hover {
    transform: translateY(-4px);
    border-color: #fbbf24;
}

.step-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    color: #fbbf24;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.step-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.step-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.step-card p {
    font-size: 0.85rem;
    color: #94a3b8;
    line-height: 1.5;
}

/* ==================== TESTIMONIALS SECTION ==================== */
.testimonials-section {
    padding: 80px 0;
    background: #0b172a;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

@media (max-width: 900px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

.review-card {
    background: #111e33;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.review-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: 14px;
    letter-spacing: 2px;
}

.review-comment {
    font-size: 0.95rem;
    color: #cbd5e1;
    font-style: italic;
    line-height: 1.6;
    margin-bottom: 20px;
}

.reviewer-info {
    display: flex;
    align-items: center;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 16px;
}

.reviewer-avatar {
    font-size: 2rem;
    background: #1e3a8a;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reviewer-name {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
}

.reviewer-location {
    font-size: 0.8rem;
    color: #94a3b8;
}

/* ==================== BOTTOM CTA BANNER ==================== */
.cta-bottom-section {
    padding: 60px 0 80px;
    background: #08101e;
}

.cta-bottom-banner {
    background: linear-gradient(135deg, #172d54 0%, #111e33 60%, #070d18 100%);
    border: 2px solid rgba(245, 158, 11, 0.4);
    border-radius: 24px;
    padding: 50px 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.cta-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid #f59e0b;
    color: #fbbf24;
    border-radius: 20px;
    font-size: 0.82rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: 0.08em;
}

.cta-banner-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 14px;
    line-height: 1.3;
}

.cta-banner-desc {
    font-size: 1.1rem;
    color: #cbd5e1;
    max-width: 680px;
    margin: 0 auto 30px;
}

.cta-buttons-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-cta-gold {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #0b172a;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 800;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
    transition: transform 0.2s;
}

.btn-cta-gold:hover {
    transform: translateY(-2px);
}

.btn-cta-outline {
    background: transparent;
    border: 2px solid #ffffff;
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-cta-outline:hover {
    background: #ffffff;
    color: #0b172a;
}

/* ==================== FOOTER ==================== */
.site-footer {
    background: #040810;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 60px 0 24px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1.1fr 1.2fr;
    gap: 36px;
    margin-bottom: 40px;
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-about {
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 0.88rem;
}

.footer-cert-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cert-pill {
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.4);
    color: #60a5fa;
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
}

.footer-heading {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    position: relative;
    padding-bottom: 8px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 2px;
    background: #fbbf24;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a:hover {
    color: #fbbf24;
    padding-left: 4px;
}

.footer-promises {
    list-style: none;
}

.footer-promises li {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.promise-icon {
    font-size: 1.1rem;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.88rem;
}

.contact-item {
    display: flex;
    gap: 10px;
    line-height: 1.4;
}

.contact-link {
    color: #fbbf24;
    font-weight: 700;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: #64748b;
}

/* ==================== FLOATING MOBILE ACTION BAR ==================== */
.floating-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(11, 23, 42, 0.96);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(245, 158, 11, 0.4);
    padding: 8px 12px;
    z-index: 1000;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.5);
}

@media (max-width: 768px) {
    .floating-mobile-bar {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 8px;
    }
}

.mobile-bar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px 4px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.78rem;
    border: none;
    cursor: pointer;
    line-height: 1.2;
}

.mobile-bar-btn .bar-icon {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.btn-call-pulse {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff;
    animation: callPulse 1.8s infinite;
}

.btn-zalo-vibe {
    background: #0284c7;
    color: #ffffff;
}

.btn-book-popup {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #0b172a;
}

/* ==================== BOOKING MODAL POPUP ==================== */
.booking-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(6px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.booking-modal-overlay.active {
    display: flex;
}

.booking-modal-box {
    background: #111f36;
    border: 1px solid rgba(245, 158, 11, 0.4);
    border-radius: 20px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 32px 28px;
    position: relative;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    animation: modalSlide 0.3s ease-out;
}

.modal-close-btn {
    position: absolute;
    top: 18px;
    right: 20px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 1.4rem;
    line-height: 1;
    cursor: pointer;
}

.modal-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    color: #fbbf24;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.modal-title {
    font-size: 1.45rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 6px;
}

.modal-desc {
    font-size: 0.88rem;
    color: #94a3b8;
    margin-bottom: 20px;
}

.modal-form .form-group {
    margin-bottom: 14px;
}

.modal-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: #cbd5e1;
    margin-bottom: 5px;
}

.modal-form input, .modal-form select, .modal-form textarea {
    width: 100%;
    padding: 10px 12px;
    background: #0b1424;
    border: 1px solid #243552;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.92rem;
}

.modal-form input:focus, .modal-form select:focus, .modal-form textarea:focus {
    outline: none;
    border-color: #f59e0b;
}

/* ==================== KEYFRAME ANIMATIONS ==================== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

@keyframes callPulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(-20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ==================== FLOATING QUICK CONTACT (CALL & ZALO) ==================== */
.floating-quick-contact {
    position: fixed;
    bottom: 35px;
    right: 28px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-end;
}

.float-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.float-btn:hover {
    transform: scale(1.1);
}

.float-call {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: 2px solid rgba(254, 202, 202, 0.6);
}

.float-zalo {
    background: linear-gradient(135deg, #0068ff 0%, #0052cc 100%);
    border: 2px solid rgba(191, 219, 254, 0.6);
}

.float-icon {
    font-size: 1.8rem;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.float-pulse-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    pointer-events: none;
    animation: contactRingPulse 2s infinite ease-out;
}

.float-call .float-pulse-ring {
    border: 3px solid rgba(239, 68, 68, 0.7);
}

.float-zalo .float-pulse-ring {
    border: 3px solid rgba(0, 104, 255, 0.7);
}

.float-tooltip {
    position: absolute;
    right: 72px;
    background: #0f172a;
    color: #ffffff;
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.86rem;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.15);
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all 0.25s ease;
}

.float-tooltip strong {
    color: #fbbf24;
}

.float-btn:hover .float-tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes contactRingPulse {
    0% { transform: scale(0.95); opacity: 1; }
    50% { transform: scale(1.35); opacity: 0.5; }
    100% { transform: scale(1.6); opacity: 0; }
}

@media (max-width: 768px) {
    .floating-quick-contact {
        display: none !important;
    }
}

/* ==================== HERO QUICK CALL & ZALO BUTTONS ==================== */
.hero-quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}

.btn-hero-call, .btn-hero-zalo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.btn-hero-call {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #ffffff;
    border: 1px solid rgba(254, 202, 202, 0.3);
}

.btn-hero-call:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
    color: #ffffff;
}

.btn-hero-zalo {
    background: linear-gradient(135deg, #0068ff 0%, #0052cc 100%);
    color: #ffffff;
    border: 1px solid rgba(191, 219, 254, 0.3);
}

.btn-hero-zalo:hover {
    background: linear-gradient(135deg, #0052cc 0%, #003d99 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.4);
    color: #ffffff;
}

@media (max-width: 640px) {
    .hero-quick-actions {
        flex-direction: column !important;
        width: 100% !important;
        gap: 10px !important;
        margin-top: 16px !important;
    }
    .btn-hero-call, .btn-hero-zalo {
        width: 100% !important;
        justify-content: center !important;
        text-align: center !important;
        padding: 13px 18px !important;
        font-size: 0.98rem !important;
    }
}

.btn-cta-zalo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #0068ff;
    color: #ffffff;
    font-weight: 800;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 104, 255, 0.3);
}

.btn-cta-zalo:hover {
    background: #0052cc;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 104, 255, 0.5);
}

/* ==================== TABLE RESPONSIVE SCROLL HINT ==================== */
.table-scroll-hint {
    display: none;
}

@media (max-width: 768px) {
    .table-scroll-hint {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        font-size: 0.8rem;
        font-weight: 600;
        color: #fbbf24;
        background: rgba(245, 158, 11, 0.1);
        border: 1px dashed rgba(245, 158, 11, 0.35);
        border-radius: 8px;
        padding: 8px 12px;
        margin-bottom: 12px;
        text-align: center;
    }
    .pricing-table-card {
        padding: 14px;
        border-radius: 14px;
        -webkit-overflow-scrolling: touch;
    }
    .custom-pricing-table th, .custom-pricing-table td {
        padding: 12px 10px;
        font-size: 0.85rem;
    }
}

/* ==================== FAQ ACCORDION SECTION (SEO & AI READY) ==================== */
.faq-section {
    padding: 80px 0;
    background: #08101d;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-container {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: #111e33;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.faq-item:hover, .faq-item.active {
    border-color: rgba(245, 158, 11, 0.5);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.05rem;
    font-weight: 700;
    text-align: left;
    cursor: pointer;
    gap: 16px;
    transition: color 0.2s;
}

.faq-question:hover {
    color: #fbbf24;
}

.faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    font-size: 1.1rem;
    line-height: 1;
    flex-shrink: 0;
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
}

.faq-answer-inner {
    padding: 0 24px 22px;
    color: #cbd5e1;
    font-size: 0.95rem;
    line-height: 1.65;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 14px;
}

.faq-answer-inner p {
    margin-bottom: 8px;
}

.faq-answer-inner p:last-child {
    margin-bottom: 0;
}

.faq-answer-inner strong {
    color: #fbbf24;
}

@media (max-width: 640px) {
    .faq-section {
        padding: 50px 0;
    }
    .faq-question {
        padding: 16px 18px;
        font-size: 0.95rem;
    }
    .faq-answer-inner {
        padding: 0 18px 18px;
        font-size: 0.88rem;
    }
}