/* Base Reset & Typography */
/* *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
} */

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color:  #FFF5EB;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    line-height: var(--line-height-heading);
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
}

h1 {
    font-size: var(--font-size-h1);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-h2);
    letter-spacing: -0.01em;
}

h3 {
    font-size: var(--font-size-h3);
    color: var(--color-text);
}

h4 {
    font-size: var(--font-size-h4);
    color: var(--color-text);
}

p {
    margin-bottom: var(--spacing-md);
    /* color: var(--color-background); */
}

strong {
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

/* Links */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

a:hover {
    color: var(--color-primary-light);
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Mobile Menu Improvements */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px; /* Điều chỉnh cho phù hợp với chiều cao header */
        left: 0;
        right: 0;
        background: white;
        display: flex;
        flex-direction: column;
        width: 100%;
        height: 0;
        overflow: hidden;
        transition: height 0.3s ease;
        box-shadow: 0 5px 5px rgba(0,0,0,0.1);
        opacity: 0;
        z-index: 999;
    }

    .nav-links.active {
        height: auto;
        padding: 20px 0;
        opacity: 1;
    }

    .nav-links li {
        margin: 10px 0;
        width: 100%;
        text-align: center;
    }

    .nav-links li a {
        display: block;
        padding: 10px;
    }

    .mobile-menu-toggle {
        display: block;
    }

    /* Màu nền và bóng cho menu mobile */
    .nav-links {
        background-color: #ffffff;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    }

    /* Làm đẹp nút mobile menu */
    .menu-icon, .menu-icon::before, .menu-icon::after {
        width: 25px;
        height: 3px;
        border-radius: 3px;
    }
}

/* Thêm vào cuối file */

/* Fix cho điện thoại di động có màn hình nhỏ */
@media (max-width: 585px) {
    /* Đảm bảo container không bị tràn */
    .container {
        padding-left: 10px;
        padding-right: 10px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }
    
    /* Điều chỉnh phần header */
    .page-header {
        padding: 40px 0 30px;
    }
    
    .page-header h1 {
        font-size: 1.8rem !important;
        line-height: 1.3;
    }
    
    .page-header p {
        font-size: 0.95rem !important;
    }
    
    /* Đảm bảo tất cả grid chuyển sang 1 cột */
    .grid,
    /* .process-steps, */
    .feature-boxes,
    .specs-grid,
    .benefits-list,
    .footer-content {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    /* Giảm padding cho các thành phần */
    .card,
    /* .step, */
    .feature-box,
    .spec-item,
    .benefit-item {
        padding: 15px !important;
    }
    
    /* Đảm bảo text không bị tràn */
    p, h1, h2, h3, h4, li {
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    /* Điều chỉnh kích thước các nút */
    .btn {
        padding: 10px 15px;
        min-width: auto;
        width: 100%;
        max-width: 280px;
        margin: 5px 0;
    }
    
    /* Điều chỉnh footer */
    footer#lien-he .footer-content {
        grid-template-columns: 1fr !important;
    }
    
    /* Đảm bảo body không bị overflow */
    body {
        overflow-x: hidden;
        width: 100%;
    }
    
    /* Giảm kích thước margin và padding */
    section {
        margin: 30px 0;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    h3 {
        font-size: 1.4rem;
    }
    
    /* Chuyển các flex container sang column */
    .cta-buttons,
    .benefit-item {
        flex-direction: column;
        align-items: center;
    }
}

/* Header */
.main-header {
    background-color: var(--color-background);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-index-fixed);
    border-bottom: 1px solid var(--color-border-light);
    height: 80px;
    display: flex;
    align-items: center;
}
/* Navigation */
.main-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    position: relative;
    width: 100%;
}

.logo {
    flex-shrink: 0;
    z-index: var(--z-index-fixed);
    padding: var(--spacing-sm) 0;
}

.logo img {
    height: 50px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-sm);
    letter-spacing: 0.01em;
    text-transform: uppercase;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-md);
    right: var(--spacing-md);
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}


/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
    z-index: 2;
    outline: none;
}

.menu-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    position: relative;
    transition: background-color var(--transition-fast);
}

.menu-icon::before,
.menu-icon::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

.menu-icon::before { top: -8px; }
.menu-icon::after { bottom: -8px; }

/* Mobile Menu Active State */
.mobile-menu-toggle[aria-expanded="true"] .menu-icon {
    background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-icon::before {
    transform: rotate(45deg);
    top: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .menu-icon::after {
    transform: rotate(-45deg);
    bottom: 0;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: var(--border-radius-full);
        background-color: var(--color-background-alt);
        transition: all var(--transition-fast);
        margin-left: auto;
    }

    .mobile-menu-toggle:hover {
        background-color: var(--color-border-light);
    }

    .mobile-menu-toggle[aria-expanded="true"] {
        background-color: var(--color-primary);
    }

    .mobile-menu-toggle[aria-expanded="true"] .menu-icon,
    .mobile-menu-toggle[aria-expanded="true"] .menu-icon::before,
    .mobile-menu-toggle[aria-expanded="true"] .menu-icon::after {
        background-color: var(--color-background);
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        height: calc(100vh - 80px);
        background-color: var(--color-background);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-lg);
        gap: var(--spacing-sm);
        box-shadow: var(--shadow-lg);
        transform: translateX(100%);
        transition: transform var(--transition-normal);
        z-index: var(--z-index-fixed);
        overflow-y: auto;
        border-top: 1px solid var(--color-border-light);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: var(--font-size-lg);
        padding: var(--spacing-md);
        margin: 0;
        text-align: left;
        border-radius: var(--border-radius-md);
        background-color: var(--color-background-alt);
        color: var(--color-text);
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .nav-link::after {
        display: none;
    }

    .nav-link:hover,
    .nav-link.active {
        background-color: var(--color-primary);
        color: var(--color-background);
        transform: translateX(var(--spacing-xs));
    }


    body.menu-open {
        overflow: hidden;
    }
}


/* Main Content */
main {
    margin-top: 80px; /* Match header height */
}

/* Page Header */
.page-header {
    background-color: var(--color-primary);
    color: var(--color-background);
    padding: var(--spacing-xl) var(--container-padding);
    margin-top: -80px; /* Offset header height */
    padding-top: calc(var(--spacing-xl) + 80px); /* Add extra padding to account for fixed header */
}

.page-header h1 {
    color: var(--color-background);
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    opacity: 0.9;
    max-width: 600px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    margin-top: -80px;
    padding-top: 80px;
    background-color: var(--color-primary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg,
        rgba(41, 64, 153, 0.95),
        rgba(41, 64, 153, 0.8)
    );
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-background);
    padding: var(--spacing-xl) var(--spacing-md);
}

.hero h1 {
    color: var(--color-background);
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero p {
    font-size: var(--font-size-lg);
    margin: 0 auto var(--spacing-xl);
    max-width: 600px;
    opacity: 0.95;
}

.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: zoomEffect 20s infinite alternate ease-in-out;
}

@keyframes zoomEffect {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

@media (min-width: 768px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

/* Cards */
.card {
    background-color: var(--color-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

/* .card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-fast);
} */

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.card:hover::before {
    opacity: 1;
}

/* Project Cards */
.project-card {
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    position: relative;
    border: 1px solid var(--color-border-light);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.project-image {
    height: 300px;
    overflow: hidden;
    position: relative;
}

.project-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.project-card:hover .project-image::after {
    opacity: 1;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-details {
    padding: var(--spacing-lg);
    background: linear-gradient(to bottom,
        var(--color-background),
        var(--color-background-alt)
    );
}

.project-details h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.project-info {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: var(--spacing-sm);
}

.project-info li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
}

.project-info strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.project-info {
    list-style: none;
    margin: 0;
    padding: 0;
}

.project-info li {
    margin-bottom: var(--spacing-sm);
}

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-lg) 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--color-primary);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    justify-content: flex-end;
    padding: var(--spacing-md) 0;
    width: 50%;
    margin-left: 50%;
}

.timeline-item:nth-child(even) {
    justify-content: flex-start;
    margin-left: 0;
}

.timeline-item .content {
    background: var(--color-background);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    width: 80%;
}

.timeline-item .year {
    color: var(--color-primary);
    font-weight: bold;
    margin-bottom: var(--spacing-sm);
}

/* Process Steps */
/* .process-steps {
    counter-reset: step;
} */

/* .step {
    position: relative;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -20px;
    left: -20px;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: var(--color-background);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
} */

/* Forms */
.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    font-weight: 500;
}

.required {
    color: #ff4444;
}

input,
textarea,
select {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: inherit;
    transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-background);
}

.btn-primary:hover {
    background-color: var(--color-secondary);
    color: var(--color-background);
}

.btn-secondary {
    background-color: var(--color-secondary);
    color: var(--color-background);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-background);
}


/* Stats Grid */
.stats-grid {
    display: grid;
    gap: var(--spacing-md);
    text-align: center;
    margin: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    padding: var(--spacing-md);
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--color-text-light);
}

/* Map Container */
.map-container {
    height: 450px;
    margin: var(--spacing-md) 0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }


/* Additional styles for About page */
.vision-mission {
    margin: var(--spacing-xl) 0;
    display: grid;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .vision-mission {
        grid-template-columns: repeat(2, 1fr);
    }
}

.core-values .grid {
    display: grid;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

@media (min-width: 768px) {
    .core-values .grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .core-values .grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.team-section {
    margin: var(--spacing-xl) 0;
}

.team-section ul {
    list-style: disc;
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.team-section li {
    margin-bottom: var(--spacing-sm);
}

/* Thêm vào cuối file main.css */
.banner {
    position: relative;
    height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-align: center;
    overflow: hidden;
    /* Không đặt background-image ở đây */
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('../../assets/images/company/robot-sunward.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Tạo hiệu ứng cố định */
    filter: brightness(0.7); /* Làm tối ảnh một chút để text dễ đọc */
    z-index: -1;
}

.banner .max-w-4xl {
    position: relative;
    z-index: 1;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

@media (min-width: 768px) {
    .banner {
        height: 700px;
    }
}

/* Hỗ trợ iOS */
@supports (-webkit-touch-callout: none) {
    .banner::before {
        background-attachment: scroll; /* Sử dụng scroll cho iOS */
    }
    
    /* Thêm class khi JavaScript phát hiện iOS */
    .banner.ios-fixed {
        background-image: none;
    }
    
    .ios-bg-container {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
        z-index: -1;
    }
    
    .ios-bg-image {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-size: cover;
        background-position: center;
        filter: brightness(0.7);
    }
}

/* Hiệu Ứng xóa và tạo chữ */
.typing-container {
    font-size: 1.2em; /* Cỡ chữ cho desktop */
    font-weight: bold;
    color: #ffffff;
    text-align: center;
    max-width: 800px;
    padding: 20px;
    box-sizing: border-box;
}

.typing-container span {
    border-right: 3px solid #ffffff;
    padding-right: 5px;
}

/* Mobile: màn hình nhỏ hơn hoặc bằng 576px */
@media (max-width: 576px) {
    .typing-container {
        font-size: 0.77em; /* Cỡ chữ nhỏ hơn cho mobile */
        max-width: 90%; /* Giới hạn chiều rộng để tránh tràn */
        padding: 10px; /* Giảm padding cho mobile */
    }
}

/* Tablet hoặc màn hình trung bình: 577px - 768px */
@media (min-width: 577px) and (max-width: 768px) {
    .typing-container {
        font-size: 0.88em; /* Cỡ chữ trung bình */
        max-width: 90%;
        padding: 15px;
    }
}

/* Thêm vào cuối file main.css */
.introduction-section {
    /* background-color: var(--color-secondary-light); */
    background-color: #FFE0B2;
}


.introduction-section p {
    color: var(--color-primary);
}

/* Thêm vào file main.css */
.text-bold {
    font-weight: 900;
}