/* 
 * 2026 Modern Clean UI/UX Design System
 * Theme: Deep Slate Blue (#0F172A), Navy (#1E3A8A), Vibrant Orange (#F97316)
 * Font: Be Vietnam Pro
 */

/* CSS Variables / Tokens */
:root {
    --color-bg: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-navy: #0F172A;
    --color-blue-dark: #1E3A8A;
    --color-blue-primary: #2563EB;
    --color-blue-light: #EFF6FF;
    --color-orange-primary: #F97316;
    --color-orange-hover: #EA580C;
    --color-orange-light: #FFF7ED;
    --color-orange-border: #FFEDD5;
    
    --color-text-main: #1E293B;
    --color-text-muted: #64748B;
    --color-text-light: #94A3B8;
    
    --border-color: #E2E8F0;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-full: 9999px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --shadow-orange: 0 10px 20px -5px rgba(249, 115, 22, 0.4);
    
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 70px; /* Space for mobile bottom bar */
    overflow-x: hidden;
}

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

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

/* Animations */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.6);
    }
    70% {
        box-shadow: 0 0 0 12px rgba(249, 115, 22, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(249, 115, 22, 0);
    }
}

.pulse-effect {
    animation: pulse 2s infinite;
}

/* Sticky Glassmorphism Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    transition: var(--transition-normal);
}

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

.logo-area {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.brand-logo-img {
    height: 46px;
    width: auto;
    object-fit: contain;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.logo-area:hover .brand-logo-img {
    transform: scale(1.05);
}

@media (max-width: 480px) {
    .brand-logo-img {
        height: 38px;
    }
}

.logo-icon-wrapper {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-navy), var(--color-blue-dark));
    color: var(--color-surface);
    padding: 8px 12px;
    border-radius: var(--border-radius-md);
    gap: 6px;
    box-shadow: var(--shadow-md);
}

.icon-wrench {
    width: 22px;
    height: 22px;
    stroke: var(--color-orange-primary);
}

.logo-24h {
    font-size: 22px;
    font-weight: 900;
    font-style: italic;
    letter-spacing: -0.5px;
}

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

.brand-name {
    font-size: 15px;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.logo-text .sub-title {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-muted);
}

@media (max-width: 480px) {
    .brand-name {
        font-size: 13px;
    }
    .logo-text .sub-title {
        font-size: 10px;
    }
}

/* Mobile Nav Toggle Button */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--color-navy);
    z-index: 101;
}

.mobile-nav-toggle svg {
    width: 28px;
    height: 28px;
    display: block;
    transition: var(--transition-fast);
}

.mobile-nav-toggle .icon-close {
    display: none;
}

.mobile-nav-toggle.active .icon-hamburger {
    display: none;
}

.mobile-nav-toggle.active .icon-close {
    display: block;
}

.nav-list {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    gap: 6px;
}

.nav-item a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    color: var(--color-text-main);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    border-radius: var(--border-radius-full);
    transition: var(--transition-fast);
}

.nav-item a:hover,
.nav-item.active a {
    color: var(--color-blue-primary);
    background-color: var(--color-blue-light);
}

/* Responsive Navigation for Mobile & Tablet */
@media (max-width: 991px) {
    .mobile-nav-toggle {
        display: block;
    }

    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
        border-bottom: 1px solid var(--border-color);
        padding: 16px 20px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition-normal);
        pointer-events: none;
    }

    .main-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .nav-item a {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 20px;
        border-radius: var(--border-radius-md);
        font-size: 15px;
    }
}

/* Hotline Button Header */
.header-contact {
    display: flex;
    align-items: center;
}

@media (max-width: 768px) {
    .header-contact {
        display: none; /* Hidden on mobile in favor of sticky bottom call bar */
    }
}

.hotline-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-orange-primary), var(--color-orange-hover));
    color: var(--color-surface);
    padding: 8px 18px 8px 10px;
    border-radius: var(--border-radius-full);
    text-decoration: none;
    transition: var(--transition-fast);
}

.hotline-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-orange);
}

.phone-icon-bg {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-phone {
    width: 18px;
    height: 18px;
    stroke: var(--color-surface);
}

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

.hotline-text .label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.hotline-text .number {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: -0.2px;
    line-height: 1;
}

/* Hero Section Split Screen */
.hero-section {
    padding: 60px 0 40px;
    background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.03) 0%, transparent 40%);
}

.hero-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

@media (min-width: 992px) {
    .hero-container {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        align-items: center;
        gap: 60px;
    }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-orange-light);
    border: 1px solid var(--color-orange-border);
    color: var(--color-orange-hover);
    padding: 8px 16px;
    border-radius: var(--border-radius-full);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    line-height: 1.4;
}

.icon-clock {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    stroke: var(--color-orange-primary);
}

.hero-title {
    font-size: 28px;
    font-weight: 900;
    color: var(--color-navy);
    line-height: 1.3;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 34px;
    }
}

.hero-tagline {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-blue-primary);
    margin-bottom: 20px;
    letter-spacing: -0.2px;
}

.hero-description .intro-lead {
    font-size: 16px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 30px;
}

.hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
}

@media (min-width: 576px) {
    .hero-cta-group {
        flex-direction: row;
        align-items: center;
    }
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-orange-primary), var(--color-orange-hover));
    color: var(--color-surface);
    padding: 16px 28px;
    border-radius: var(--border-radius-full);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: var(--shadow-orange);
    transition: var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(249, 115, 22, 0.5);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-muted);
}

.icon-shield {
    width: 20px;
    height: 20px;
    stroke: #10B981;
}

.hero-media {
    position: relative;
    max-width: 420px;
    margin: 0 auto;
}

.image-card {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 4px solid var(--color-surface);
}

.hero-image {
    width: 100%;
    height: auto;
    max-height: 380px;
    object-fit: cover;
    display: block;
    transition: var(--transition-normal);
}

.image-card:hover .hero-image {
    transform: scale(1.02);
}

.floating-stat {
    position: absolute;
    bottom: 24px;
    left: 24px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    color: var(--color-surface);
    padding: 14px 22px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-number {
    font-size: 26px;
    font-weight: 900;
    color: var(--color-orange-primary);
}

.stat-text {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

/* Services Section */
.services-section {
    padding: 60px 0;
}

.section-header {
    margin-bottom: 40px;
}

.section-header.text-center {
    text-align: center;
}

.sub-tag {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--color-orange-primary);
    text-transform: uppercase;
    display: block;
    margin-bottom: 6px;
}

.section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-navy);
    letter-spacing: -0.5px;
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 34px;
    }
}

.section-subtitle {
    font-size: 15px;
    color: var(--color-text-muted);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--color-surface);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.3);
}

.service-icon-box {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.bg-zap {
    background-color: #FEF3C7;
    color: #D97706;
}

.bg-droplet {
    background-color: #E0F2FE;
    color: #0284C7;
}

.bg-tool {
    background-color: #FEE2E2;
    color: #DC2626;
}

.service-icon-box svg {
    width: 28px;
    height: 28px;
}

.service-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 10px;
    line-height: 1.4;
}

.service-content p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Commitments Section */
.commitments-section {
    padding: 20px 0 60px;
}

.cta-banner-card {
    background: linear-gradient(135deg, var(--color-navy), var(--color-blue-dark));
    border-radius: var(--border-radius-lg);
    padding: 40px 30px;
    color: var(--color-surface);
    display: flex;
    flex-direction: column;
    gap: 30px;
    box-shadow: var(--shadow-xl);
}

@media (min-width: 992px) {
    .cta-banner-card {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 50px 60px;
    }
}

.banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 6px 14px;
    border-radius: var(--border-radius-full);
    font-size: 12px;
    font-weight: 600;
    color: #38BDF8;
    margin-bottom: 16px;
}

.icon-check {
    width: 14px;
    height: 14px;
}

.banner-content h2 {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 10px;
}

@media (min-width: 768px) {
    .banner-content h2 {
        font-size: 30px;
    }
}

.banner-content p {
    font-size: 15px;
    color: #94A3B8;
}

.btn-cta-orange {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-orange-primary), var(--color-orange-hover));
    color: var(--color-surface);
    padding: 16px 28px;
    border-radius: var(--border-radius-full);
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: var(--shadow-orange);
    transition: var(--transition-fast);
}

.btn-cta-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -6px rgba(249, 115, 22, 0.6);
}

/* Branch Grid Section */
.branches-section {
    padding: 60px 0 80px;
    background-color: #F1F5F9;
}

.branches-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 40px;
}

@media (min-width: 640px) {
    .branches-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.branch-card {
    background-color: var(--color-surface);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--border-radius-md);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.branch-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-orange-primary);
}

.branch-card.highlight-card {
    border-color: rgba(249, 115, 22, 0.4);
    background: linear-gradient(180deg, #FFFFFF 0%, #FFF7ED 100%);
}

.card-icon {
    width: 40px;
    height: 40px;
    background-color: var(--color-orange-light);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.icon-pin {
    width: 22px;
    height: 22px;
    stroke: var(--color-orange-primary);
}

.card-details {
    display: flex;
    flex-direction: column;
}

.branch-tag, .branch-name {
    font-size: 14px;
    font-weight: 800;
    color: var(--color-orange-hover);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.branch-address {
    font-size: 13.5px;
    color: var(--color-text-main);
    line-height: 1.5;
    font-weight: 500;
}

/* Footer Styles */
.site-footer {
    background-color: var(--color-navy);
    color: #94A3B8;
    padding-top: 60px;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
    padding-bottom: 40px;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.footer-logo .logo-24h {
    background: var(--color-orange-primary);
    color: #FFF;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 18px;
}

.footer-title {
    font-size: 16px;
    font-weight: 800;
    color: var(--color-surface);
}

.footer-desc {
    font-size: 14px;
    max-width: 450px;
    line-height: 1.6;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.footer-contact h4 {
    font-size: 12px;
    font-weight: 700;
    color: var(--color-text-light);
    letter-spacing: 1px;
}

.footer-phone {
    font-size: 28px;
    font-weight: 900;
    color: var(--color-orange-primary);
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}

/* Floating Multi-Contact Widget (Fixed Bottom-Right) */
.floating-contact-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
}

.main-contact-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-orange-primary), var(--color-orange-hover));
    color: #FFFFFF;
    border: none;
    padding: 14px 22px;
    border-radius: var(--border-radius-full);
    font-family: inherit;
    font-size: 14px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 10px 25px -5px rgba(249, 115, 22, 0.5);
    transition: var(--transition-normal);
}

.main-contact-toggle:hover {
    transform: scale(1.05);
}

.toggle-icon-wrap {
    width: 24px;
    height: 24px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-phone-main,
.icon-close-main {
    width: 22px;
    height: 22px;
    stroke: #FFFFFF;
    transition: var(--transition-fast);
}

.icon-close-main {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg);
}

.main-contact-toggle.open .icon-phone-main {
    opacity: 0;
    transform: rotate(90deg);
}

.main-contact-toggle.open .icon-close-main {
    opacity: 1;
    transform: rotate(0deg);
}

/* Contact Popover Options Menu */
.contact-options-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
}

.contact-options-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
    pointer-events: auto;
}

.option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #FFFFFF;
    color: var(--color-navy);
    text-decoration: none;
    padding: 12px 20px;
    border-radius: var(--border-radius-full);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 700;
    transition: var(--transition-fast);
}

.option-item:hover {
    transform: translateX(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.18);
}

.icon-option {
    width: 20px;
    height: 20px;
}

.option-phone {
    border-left: 4px solid #F97316;
}

.option-phone .icon-option {
    stroke: #F97316;
}

.option-zalo {
    border-left: 4px solid #0068FF;
}

.zalo-text-icon {
    background-color: #0068FF;
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 6px;
    letter-spacing: -0.5px;
}

.option-facebook {
    border-left: 4px solid #1877F2;
}

.option-facebook .icon-option {
    stroke: #1877F2;
    fill: #1877F2;
}

@media (max-width: 576px) {
    .floating-contact-widget {
        bottom: 16px;
        right: 16px;
    }
    
    .main-contact-toggle {
        padding: 12px 18px;
        font-size: 13px;
    }
}