/* ==========================================================================
   DAOTAOLAIXE GLOBAL STYLESHEET
   Powered by Antigravity AI
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    --primary-color: #061d36;      /* Deep Dark Blue */
    --primary-light: #0d2847;
    --primary-dark: #030e1c;
    --accent-color: #c27a3f;       /* Warm Gold/Amber */
    --accent-hover: #b06930;
    --bg-light: #f5f8fc;
    --bg-white: #ffffff;
    --text-main: #2b3540;
    --text-muted: #5e6d7e;
    --text-white: #ffffff;
    --border-color: #e3ebf4;
    --success-color: #2e7d32;
    --error-color: #d32f2f;
    
    /* Layout */
    --container-width: 1400px;
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Montserrat', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --shadow-sm: 0 2px 4px rgba(6, 29, 54, 0.05);
    --shadow-md: 0 10px 20px rgba(6, 29, 54, 0.08);
    --shadow-lg: 0 20px 40px rgba(6, 29, 54, 0.12);
    --border-radius-lg: 16px;
    --border-radius-md: 8px;
    --border-radius-sm: 4px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-main);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.3;
}

/* --- Layout Utility Classes --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    gap: 15px;
}

.section-decor-line {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    flex-grow: 1;
    max-width: 100px;
}

.section-title {
    font-size: 2.2rem;
    text-align: center;
    letter-spacing: -0.5px;
    position: relative;
}

.section-title.text-left {
    text-align: left;
}

.text-blue {
    color: var(--primary-color);
}

.text-white {
    color: var(--text-white) !important;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-align: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(194, 122, 63, 0.4);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.btn-outline:hover {
    background-color: var(--accent-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.icon-spacing {
    margin-left: 6px;
}

/* --- Header Styles --- */
.site-header {
    width: 100%;
    position: relative;
    z-index: 100;
    background-color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

/* Header Top Bar */
.header-top-bar {
    background-color: var(--primary-color);
    color: var(--text-white);
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.top-bar-left, .top-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-bar-right {
    gap: 15px;
}

.icon-accent {
    color: var(--accent-color);
}

/* Main Header */
.header-main {
    padding: 15px 0;
}

.header-main-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.custom-logo {
    max-height: 55px;
    width: auto;
}

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

.logo-main {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: 0.5px;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
}

/* Header Menu */
.main-nav {
    display: block;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--primary-color);
    padding: 8px 0;
    position: relative;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.menu-item-has-children {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.75rem;
    margin-left: 4px;
}

.sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--bg-white);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--border-radius-md);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 1000;
}

.menu-item-has-children:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.sub-menu li a {
    display: block;
    padding: 10px 20px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--primary-color);
}

.sub-menu li a:hover {
    background-color: var(--bg-light);
    color: var(--accent-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.header-hotline-btn {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: transparent;
}

.header-hotline-btn:hover {
    background: var(--accent-color);
    color: var(--text-white);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
    padding: 5px;
}

/* --- Hero Banner --- */
.hero-banner {
    padding: 100px 0;
    min-height: 620px;
    display: flex;
    align-items: center;
    background: url('images/banner.png') no-repeat right center;
    background-size: cover;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(194, 122, 63, 0.05) 0%, transparent 70%);
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    max-width: 650px;
}

.hero-subtitle {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--accent-color);
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.hero-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 3.2rem;
    margin-bottom: 25px;
    letter-spacing: -1px;
    line-height: 1.25;
}

.highlight-text {
    color: var(--accent-color);
}

.hero-bullets {
    margin-bottom: 35px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hero-bullets li {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bullet-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background-color: var(--primary-color);
    color: var(--accent-color);
    border-radius: 50%;
    font-size: 0.7rem;
    flex-shrink: 0;
}

.bullet-text {
    font-weight: 500;
    color: var(--primary-color);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-hero-register {
    background-color: var(--accent-color);
    color: var(--text-white);
    box-shadow: 0 4px 10px rgba(194, 122, 63, 0.3);
}

.btn-hero-register:hover {
    background-color: var(--accent-hover);
    box-shadow: 0 6px 15px rgba(194, 122, 63, 0.5);
}

.btn-hero-explore {
    background-color: var(--bg-white);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-hero-explore:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.hero-image-container {
    display: none;
}

.hero-image {
    width: auto;
    max-width: 100%;
    height: auto;
    display: block;
    border: none;
    border-radius: 0;
    box-shadow: none;
    transform: none;
    transition: var(--transition);
}

.hero-image:hover {
    transform: translateY(-5px);
}

.hero-image-fallback {
    width: 100%;
    height: 380px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: var(--shadow-lg);
}

.circle-graphic {
    position: absolute;
    width: 280px;
    height: 280px;
    border: 2px dashed rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: rotateDashed 20s linear infinite;
}

.car-graphic {
    font-size: 5rem;
    color: var(--accent-color);
}

@keyframes rotateDashed {
    to { transform: rotate(360deg); }
}

/* --- Statistics Bar --- */
.stats-bar-section {
    margin-top: -30px;
    position: relative;
    z-index: 10;
}

.stats-bar-grid {
    background-color: var(--primary-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 25px 30px;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    border-bottom: none;
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 0 15px;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
}

.stat-card:last-child {
    border-right: none;
}

.stat-icon {
    font-size: 1.8rem;
    color: var(--accent-color);
    flex-shrink: 0;
}

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

.stat-number {
    font-size: 1.7rem;
    color: var(--accent-color);
    font-weight: 800;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 500;
}

/* --- Popular Courses Section --- */
.courses-section {
    padding: 90px 0;
    background-color: var(--bg-white);
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.course-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.course-image-wrapper {
    position: relative;
    height: 180px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.course-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

.course-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.7);
}

.course-img-placeholder.b-bg { background-color: #34495e; }
.course-img-placeholder.c-bg { background-color: #2c3e50; }
.course-img-placeholder.bt-bg { background-color: #1a252f; }
.course-img-placeholder.hs-bg { background-color: #2c3e50; }

.course-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.course-name {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.course-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    min-height: 40px;
}

.course-details {
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.course-details li {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}

.course-details li i {
    color: var(--accent-color);
    width: 16px;
}

/* --- Why Choose Us Section --- */
.why-choose-section {
    padding: 60px 0;
    background-color: #fafcfd;
    border-bottom: 1px solid var(--border-color);
}

.why-choose-row {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    width: 100%;
}

.why-choose-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 10px;
}

.why-choose-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    color: var(--accent-color);
    font-size: 1.1rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.why-choose-item:hover .why-choose-icon {
    background-color: var(--accent-color);
    color: var(--text-white);
    transform: scale(1.05);
}

.why-choose-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.why-choose-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.3;
}

.why-choose-desc {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* --- Process & Schedule Section --- */
.process-schedule-section {
    padding: 90px 0;
    background-color: var(--bg-white);
}

.process-schedule-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

/* Left: Process */
.process-block {
    display: flex;
    flex-direction: column;
}

.block-title {
    font-size: 1.8rem;
    margin-bottom: 35px;
    position: relative;
    display: inline-block;
}

.block-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--accent-color);
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 28px;
    width: 2px;
    height: calc(100% - 60px);
    background-color: var(--border-color);
    z-index: 1;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    position: relative;
    z-index: 2;
}

.step-badge {
    position: absolute;
    left: 17px;
    top: -5px;
    background-color: var(--accent-color);
    color: var(--text-white);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 5px;
    border-radius: 10px;
    border: 1px solid var(--bg-white);
}

.step-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background-color: var(--bg-light);
    color: var(--primary-color);
    border-radius: 50%;
    font-size: 1.25rem;
    flex-shrink: 0;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.process-step:hover .step-icon {
    background-color: var(--primary-color);
    color: var(--text-white);
    border-color: var(--primary-color);
}

.step-content {
    padding-top: 5px;
}

.step-title {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.step-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Right: Schedule */
.schedule-block {
    background-color: var(--primary-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    color: var(--text-white);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
}

.schedule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
}

.white-text {
    color: var(--text-white);
}

.white-text::after {
    background-color: var(--accent-color);
}

.view-all-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-all-link:hover {
    color: var(--accent-color);
}

.view-all-link.text-blue {
    color: var(--primary-color);
}

.schedule-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.schedule-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 20px;
    transition: var(--transition);
}

.schedule-item:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateX(5px);
}

.schedule-date-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 75px;
    height: 75px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
    text-align: center;
}

.schedule-date-box .day {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-white);
}

.schedule-date-box .month {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--accent-color);
    margin-top: 2px;
}

.schedule-info {
    flex-grow: 1;
}

.class-title {
    color: var(--text-white);
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.class-details {
    display: flex;
    gap: 15px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.6);
}

.class-details i {
    color: var(--accent-color);
}

/* --- Testimonials Section --- */
.testimonials-section {
    padding: 90px 0;
    background-color: var(--bg-light);
}

.testimonial-carousel-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    max-width: 1000px;
    margin: 0 auto 30px;
}

.testimonial-track-container {
    overflow: hidden;
    width: 100%;
}

.testimonial-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    width: 100%;
}

.testimonial-card {
    min-width: 100%;
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 40px;
    box-sizing: border-box;
    text-align: center;
}

.student-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.student-avatar {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 12px;
    border: 3px solid var(--accent-color);
}

.student-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--text-muted);
}

.student-name {
    font-size: 1.15rem;
    margin-bottom: 2px;
}

.student-course {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
}

.rating-stars {
    color: #f1c40f;
    font-size: 1rem;
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-main);
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.7;
}

.carousel-nav-btn {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    flex-shrink: 0;
    z-index: 5;
}

.carousel-nav-btn:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-white);
    box-shadow: var(--shadow-md);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.carousel-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-dots .dot.active {
    background-color: var(--accent-color);
    width: 24px;
    border-radius: 5px;
}

/* --- News Section --- */
.news-section {
    padding: 90px 0;
    background-color: var(--bg-white);
}

.news-section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 45px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(194, 122, 63, 0.4);
}

.news-image-wrapper {
    height: 200px;
    overflow: hidden;
    position: relative;
    background-color: var(--bg-light);
}

.news-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card:hover .news-image-wrapper img {
    transform: scale(1.08);
}

.news-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.5rem;
    color: var(--text-muted);
}

.news-card-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-category {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--accent-color);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.news-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-title a:hover {
    color: var(--accent-color);
}

.news-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-grow: 1;
}

.news-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* --- Call to Action Bar --- */
.cta-bar {
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 30px 0;
    border-top: 4px solid var(--accent-color);
}

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

.cta-bar-title {
    color: var(--text-white);
    font-size: 1.6rem;
    margin-bottom: 4px;
}

.cta-bar-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.cta-bar-contacts {
    display: flex;
    align-items: center;
    gap: 35px;
}

.cta-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.cta-contact-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--accent-color);
    border-radius: 50%;
    font-size: 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-contact-info {
    display: flex;
    flex-direction: column;
}

.cta-contact-value {
    font-size: 1.15rem;
    font-weight: 700;
}

.cta-contact-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

.btn-cta-register {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--text-white);
    padding: 14px 30px;
}

.btn-cta-register:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* --- Footer Styles --- */
.site-footer {
    background-color: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 70px 0 0;
    font-size: 0.9rem;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr 1fr;
    gap: 35px;
    margin-bottom: 50px;
}

.footer-logo {
    max-height: 55px;
    margin-bottom: 20px;
}

.footer-about-text {
    margin-bottom: 25px;
    line-height: 1.7;
}

.footer-social-links {
    display: flex;
    gap: 12px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.04);
    color: var(--text-white);
    border-radius: 50%;
    font-size: 0.95rem;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--accent-color);
    color: var(--text-white);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1rem;
    color: var(--text-white);
    margin-bottom: 25px;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--accent-color);
}

.footer-menu {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-menu a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.5;
}

.footer-contact-icon {
    color: var(--accent-color);
    margin-top: 4px;
    width: 15px;
    flex-shrink: 0;
}

.footer-newsletter-text {
    margin-bottom: 18px;
    line-height: 1.5;
}

.newsletter-input-group {
    display: flex;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: rgba(255, 255, 255, 0.04);
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

.newsletter-input {
    width: 100%;
    padding: 12px 50px 12px 15px;
    background: transparent;
    border: none;
    color: var(--text-white);
    font-family: var(--font-primary);
    font-size: 0.85rem;
}

.newsletter-input:focus {
    outline: none;
}

.newsletter-submit-btn {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    width: 48px;
    background-color: var(--accent-color);
    border: none;
    color: var(--text-white);
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-submit-btn:hover {
    background-color: var(--accent-hover);
}

/* Footer Bottom */
.footer-bottom {
    background-color: var(--primary-dark);
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 0.82rem;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom-links {
    display: flex;
    gap: 10px;
}

.footer-bottom-links a:hover {
    color: var(--accent-color);
}

/* --- Registration Modal --- */
.registration-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(3, 15, 28, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.registration-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.registration-modal-card {
    background-color: var(--bg-white);
    width: 100%;
    max-width: 480px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 35px;
    position: relative;
    transform: scale(0.9);
    transition: var(--transition);
}

.registration-modal-overlay.active .registration-modal-card {
    transform: scale(1);
}

.modal-close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close-btn:hover {
    color: var(--accent-color);
}

.modal-header {
    margin-bottom: 25px;
}

.modal-title {
    font-size: 1.6rem;
    margin-bottom: 6px;
}

.modal-subtitle {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.form-label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--primary-color);
}

.form-control {
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    background-color: var(--bg-light);
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-size: 0.92rem;
    color: var(--text-main);
    transition: var(--transition);
    width: 100%;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(194, 122, 63, 0.15);
}

textarea.form-control {
    resize: none;
}

.btn-submit-form {
    padding: 14px 20px;
    margin-top: 10px;
}

.form-status-msg {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    margin-top: 5px;
    padding: 10px;
    border-radius: var(--border-radius-md);
    display: none;
}

.form-status-msg.success {
    display: block;
    background-color: rgba(46, 125, 50, 0.1);
    color: var(--success-color);
}

.form-status-msg.error {
    display: block;
    background-color: rgba(211, 47, 47, 0.1);
    color: var(--error-color);
}

/* --- Responsive Breakpoints --- */

@media (max-width: 1200px) {
    .stats-bar-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .stat-card {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 15px;
    }
    .stat-card:nth-child(3) {
        border-bottom: none;
    }
    .stat-card:nth-child(4), .stat-card:nth-child(5) {
        border-bottom: none;
        padding-bottom: 0;
    }
}

@media (max-width: 1024px) {
    .hero-banner {
        padding: 60px 0;
        min-height: auto;
        background: #f5f8fc;
    }
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-image-container {
        display: flex;
        justify-content: center;
        margin-top: 30px;
        align-self: center;
    }
    .hero-image {
        display: block;
        width: 100%;
        max-width: 500px;
        height: auto;
    }
    .hero-title {
        font-size: 2.6rem;
    }
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .why-choose-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .process-schedule-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .footer-container {
        grid-template-columns: 1.5fr 1fr 1fr;
    }
    .footer-col-about {
        grid-column: span 3;
        margin-bottom: 20px;
    }
    .footer-col-newsletter {
        grid-column: span 3;
    }
}

@media (max-width: 768px) {
    /* Header Responsive Drawer Setup */
    .mobile-menu-toggle {
        display: block;
    }
    .main-nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100%;
        background-color: var(--bg-white);
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        padding: 80px 30px 40px;
        z-index: 999;
    }
    .main-nav.active {
        left: 0;
    }
    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    .menu-item-has-children .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding-left: 20px;
        display: none;
    }
    .menu-item-has-children.active .sub-menu {
        display: block;
    }
    .header-hotline-btn span {
        display: none;
    }
    .header-hotline-btn {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        padding: 0;
    }
    .header-top-bar {
        display: none; /* Hide top bar on mobile to save space */
    }

    /* Layouts */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-bullets {
        align-items: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-image-container {
        justify-content: center;
        margin-top: 20px;
    }
    
    .stats-bar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-card:nth-child(3) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 15px;
    }
    .stat-card:nth-child(4) {
        border-bottom: none;
        padding-bottom: 0;
    }

    .cta-bar-container {
        flex-direction: column;
        gap: 25px;
        text-align: center;
    }
    .cta-bar-contacts {
        flex-direction: column;
        width: 100%;
        gap: 20px;
    }
    .btn-cta-register {
        width: 100%;
    }

    .testimonial-card {
        padding: 25px;
    }
    .testimonial-text {
        font-size: 0.95rem;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .why-choose-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    .footer-bottom-container {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.1rem;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions button, .hero-actions a {
        width: 100%;
    }
    .stats-bar-grid {
        grid-template-columns: 1fr;
    }
    .stat-card {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: 15px;
    }
    .stat-card:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .courses-grid {
        grid-template-columns: 1fr;
    }
    .why-choose-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .footer-container {
        grid-template-columns: 1fr;
    }
    .footer-col-about, .footer-col-newsletter {
        grid-column: span 1;
    }
    .registration-modal-card {
        padding: 25px 20px;
    }
}

/* --- Course Pages & Directory --- */
.page-banner {
    padding: 60px 0;
    background: linear-gradient(135deg, rgba(6, 29, 54, 0.9) 0%, rgba(13, 40, 71, 0.95) 100%), 
                url('images/banner.png') no-repeat center center;
    background-size: cover;
    color: var(--text-white);
    position: relative;
    border-bottom: 4px solid var(--accent-color);
}

.page-banner-title {
    font-family: var(--font-heading);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-white);
}

.page-banner-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    margin-top: 10px;
}

/* Course Directory Grid */
.course-dir-list {
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 60px 0;
}

.course-dir-item {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 40px;
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    padding: 30px;
    transition: var(--transition);
}

.course-dir-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.course-dir-img-wrapper {
    border-radius: var(--border-radius-md);
    overflow: hidden;
    height: 250px;
}

.course-dir-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.course-dir-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.course-dir-title {
    font-size: 1.8rem;
    margin-bottom: 8px;
    font-family: var(--font-heading);
}

.course-dir-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.course-dir-desc {
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 25px;
}

.course-dir-actions {
    display: flex;
    gap: 15px;
}

/* Individual Course Page Layout */
.course-detail-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding: 60px 0;
}

.course-detail-main {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.course-section-title {
    font-size: 1.5rem;
    margin: 30px 0 15px 0;
    position: relative;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
    font-family: var(--font-heading);
}

.course-section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--accent-color);
}

.course-section-title:first-of-type {
    margin-top: 0;
}

.course-detail-text {
    color: var(--text-main);
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Feature grid */
.course-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
    margin-top: 15px;
}

.course-feature-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.course-feature-icon {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 3px;
}

.course-feature-text {
    font-weight: 600;
    color: var(--primary-color);
}

/* Price & Options */
.pricing-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 20px 0 30px 0;
}

.price-option-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 25px;
    text-align: center;
    transition: var(--transition);
}

.price-option-card:hover {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-sm);
    background-color: var(--bg-white);
}

.price-option-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-family: var(--font-heading);
    color: var(--primary-color);
}

.price-option-val {
    font-size: 1.6rem;
    color: var(--accent-color);
    font-weight: 800;
    margin-bottom: 15px;
}

.price-option-details {
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
}

.price-option-details li {
    display: flex;
    align-items: center;
    gap: 8px;
}

.price-option-details li i {
    color: var(--success-color);
    font-size: 0.8rem;
}

/* Course Sidebar */
.course-sidebar-card {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    padding: 30px;
    margin-bottom: 30px;
    position: sticky;
    top: 30px;
}

.sidebar-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    font-family: var(--font-heading);
    color: var(--primary-color);
}

.sidebar-info-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.sidebar-info-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 10px;
}

.sidebar-info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-info-label {
    color: var(--text-muted);
}

.sidebar-info-value {
    font-weight: 600;
    color: var(--primary-color);
}

/* Responsive Course Pages */
@media (max-width: 1024px) {
    .course-dir-item {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    .course-dir-img-wrapper {
        height: 280px;
    }
    .course-detail-layout {
        grid-template-columns: 1fr;
    }
    .course-sidebar-card {
        position: static;
    }
}

@media (max-width: 768px) {
    .course-feature-grid {
        grid-template-columns: 1fr;
    }
    .pricing-options {
        grid-template-columns: 1fr;
    }
}