/* ===== TRAINING PAGE STYLES ===== */
/* 基于官网 style.css 变量体系扩展 */

/* ===== CSS VARIABLES (fallback) ===== */
:root {
    --primary: #1a6eff;
    --primary-gradient: linear-gradient(135deg, #1a6eff 0%, #0d5bd9 100%);
    --primary-light: rgba(26, 110, 255, 0.08);
    --text: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-light: #8a8a9a;
    --border: #e8e8f0;
    --bg-warm: #f8f9fc;
    --radius: 16px;
    --radius-sm: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* ===== GLOBAL RESET FOR MOBILE ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
    min-width: 320px;
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    color: var(--text);
    background: #fff;
}

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

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 640px) {
    .container {
        padding: 0 24px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 32px;
    }
}

/* ===== SECTION COMMON ===== */
.section {
    padding: 60px 0;
}

@media (min-width: 768px) {
    .section {
        padding: 80px 0;
    }
}

.section-alt {
    background: var(--bg-warm);
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
    padding: 0 8px;
}

.section-title {
    font-size: clamp(22px, 4vw, 32px);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.3;
}

.section-desc {
    font-size: clamp(14px, 2vw, 16px);
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== BUTTON STYLES ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-height: 44px;
    touch-action: manipulation;
}

@media (min-width: 768px) {
    .btn {
        padding: 14px 28px;
        font-size: 15px;
    }
}

.btn svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(26, 110, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(26, 110, 255, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text);
    border: 1.5px solid var(--border);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(26, 110, 255, 0.1);
}

/* ===== PAGE HEADER / HERO ===== */
.training-hero {
    padding: 100px 0 40px;
    background: linear-gradient(180deg, #f0f5ff 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .training-hero {
        padding: 140px 0 60px;
    }
}

.training-hero::before {
    content: '';
    position: absolute;
    top: -30%; right: -10%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(26, 110, 255, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

@media (min-width: 768px) {
    .training-hero::before {
        width: 500px; height: 500px;
    }
}

.training-hero::after {
    content: '';
    position: absolute;
    bottom: -20%; left: -5%;
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(26, 110, 255, 0.04) 0%, transparent 70%);
    border-radius: 50%;
}

@media (min-width: 768px) {
    .training-hero::after {
        width: 400px; height: 400px;
    }
}

.training-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .training-hero-content {
        padding: 0 24px;
    }
}

.training-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(26, 110, 255, 0.08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
    border: 1px solid rgba(26, 110, 255, 0.15);
}

@media (min-width: 768px) {
    .training-hero-badge {
        font-size: 13px;
        padding: 8px 20px;
        margin-bottom: 24px;
    }
}

.training-hero h1 {
    font-size: clamp(26px, 6vw, 48px);
    font-weight: 900;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .training-hero h1 {
        margin-bottom: 16px;
    }
}

.training-hero h1 .highlight {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.training-hero p {
    font-size: clamp(14px, 2.2vw, 18px);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .training-hero p {
        line-height: 1.8;
        margin-bottom: 32px;
    }
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
    margin-bottom: 32px;
}

@media (min-width: 480px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
        gap: 12px;
    }
}

/* Stats Bar */
.training-stats-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .training-stats-bar {
        gap: 48px;
        margin-top: 40px;
    }
}

.training-stat {
    text-align: center;
    min-width: 60px;
}

.training-stat-number {
    font-size: 24px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

@media (min-width: 768px) {
    .training-stat-number {
        font-size: 32px;
    }
}

.training-stat-label {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 4px;
    font-weight: 500;
}

@media (min-width: 768px) {
    .training-stat-label {
        font-size: 13px;
        margin-top: 6px;
    }
}

/* ===== TRAINING FEATURES ===== */
.training-features {
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

.feature-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    text-align: center;
}

@media (min-width: 768px) {
    .feature-card {
        padding: 32px;
    }
}

.feature-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.feature-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

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

.feature-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .feature-card p {
        font-size: 14px;
    }
}

/* ===== LEARNING PATH ===== */
.learning-path {
    padding: 48px 0;
    background: var(--bg-warm);
}

@media (min-width: 768px) {
    .learning-path {
        padding: 80px 0;
    }
}

.path-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

@media (min-width: 768px) {
    .path-container {
        padding: 0 24px;
    }
}

.path-header {
    text-align: center;
    margin-bottom: 32px;
    padding: 0 8px;
}

@media (min-width: 768px) {
    .path-header {
        margin-bottom: 48px;
    }
}

.path-header h2 {
    font-size: clamp(20px, 4vw, 32px);
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}

@media (min-width: 768px) {
    .path-header h2 {
        margin-bottom: 12px;
    }
}

.path-header p {
    font-size: 14px;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

@media (min-width: 768px) {
    .path-header p {
        font-size: 15px;
        line-height: 1.8;
    }
}

/* Path Timeline */
.path-timeline {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
}

@media (min-width: 768px) {
    .path-timeline {
        flex-direction: row;
        justify-content: center;
        gap: 16px;
    }
}

.path-step {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: white;
    border-radius: 12px;
    border: 1.5px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    min-height: 56px;
}

.path-step:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.path-step.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.path-step-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-light);
    color: var(--primary);
    flex-shrink: 0;
}

.path-step-icon svg {
    width: 18px; height: 18px;
}

.path-step-info h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2px;
}

.path-step-info span {
    font-size: 12px;
    color: var(--text-light);
}

.path-arrow {
    display: none;
    color: var(--border);
    font-size: 20px;
    font-weight: 300;
    align-self: center;
}

@media (min-width: 768px) {
    .path-arrow {
        display: block;
    }
}

/* ===== COURSE CATEGORIES ===== */
.course-categories {
    padding: 48px 0;
}

@media (min-width: 768px) {
    .course-categories {
        padding: 80px 0;
    }
}

.category-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

@media (min-width: 768px) {
    .category-tabs {
        justify-content: center;
        flex-wrap: wrap;
        overflow-x: visible;
        padding-bottom: 0;
    }
}

.category-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    background: white;
    border: 1.5px solid var(--border);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 40px;
    touch-action: manipulation;
}

@media (min-width: 768px) {
    .category-tab {
        padding: 10px 20px;
        font-size: 14px;
    }
}

.category-tab:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.category-tab.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(26, 110, 255, 0.3);
}

.category-tab svg {
    width: 16px; height: 16px;
}

/* Course Grid */
.courses-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 640px) {
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .courses-grid {
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        gap: 24px;
    }
}

.course-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.course-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.course-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.course-card:hover::before {
    transform: scaleX(1);
}

/* Course Thumbnail */
.course-thumb {
    height: 140px;
    background: linear-gradient(135deg, #e8f1ff 0%, #d4e4ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .course-thumb {
        height: 160px;
    }
}

.course-thumb svg {
    width: 48px; height: 48px;
    color: var(--primary);
    opacity: 0.6;
}

@media (min-width: 768px) {
    .course-thumb svg {
        width: 56px; height: 56px;
    }
}

.course-thumb-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.4) 100%);
}

.course-duration {
    position: absolute;
    bottom: 12px; right: 12px;
    background: rgba(0,0,0,0.6);
    color: white;
    font-size: 11px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-duration svg {
    width: 12px; height: 12px;
    opacity: 1;
}

.course-level-badge {
    position: absolute;
    top: 12px; left: 12px;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 6px;
    background: white;
}

/* Course Content */
.course-content {
    padding: 16px 20px 20px;
}

@media (min-width: 768px) {
    .course-content {
        padding: 20px 24px 24px;
    }
}

.course-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.course-tag {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 100px;
    background: var(--primary-light);
    color: var(--primary);
}

.course-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1.4;
}

@media (min-width: 768px) {
    .course-card h3 {
        font-size: 17px;
    }
}

.course-card .subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.6;
}

@media (min-width: 768px) {
    .course-card .subtitle {
        margin-bottom: 14px;
    }
}

.course-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 6px;
}

.course-meta-left {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--text-light);
}

.course-meta-left span {
    display: flex;
    align-items: center;
    gap: 4px;
}

.course-meta-left svg {
    width: 14px; height: 14px;
}

/* Course Actions */
.course-actions {
    display: flex;
    gap: 8px;
}

.course-actions a {
    text-decoration: none;
}

.course-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    min-height: 40px;
    touch-action: manipulation;
}

.course-btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(26, 110, 255, 0.25);
}

.course-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(26, 110, 255, 0.35);
}

.course-btn-secondary {
    background: white;
    color: var(--text);
    border: 1.5px solid var(--border);
}

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

.course-btn svg {
    width: 14px; height: 14px;
}

/* ===== COURSE DETAIL MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

@media (min-width: 640px) {
    .modal-overlay {
        align-items: center;
        padding: 24px;
    }
}

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

.modal-container {
    background: white;
    border-radius: 16px 16px 0 0;
    max-width: 100%;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.96);
    transition: all 0.3s ease;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

@media (min-width: 640px) {
    .modal-container {
        border-radius: var(--radius);
        max-width: 800px;
        max-height: 85vh;
    }
}

.modal-overlay.active .modal-container {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 24px 20px 0;
    position: relative;
}

@media (min-width: 768px) {
    .modal-header {
        padding: 32px 32px 0;
    }
}

.modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 36px; height: 36px;
    border-radius: 10px;
    border: 1.5px solid var(--border);
    background: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-secondary);
    min-height: 36px;
    touch-action: manipulation;
}

@media (min-width: 768px) {
    .modal-close {
        top: 20px; right: 20px;
    }
}

.modal-close:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.modal-close svg {
    width: 18px; height: 18px;
}

.modal-title-section {
    padding-right: 50px;
}

.modal-title-section .category-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 100px;
    margin-bottom: 12px;
    white-space: nowrap;
}

.modal-title-section .category-tag svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.modal-title-section h2 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    line-height: 1.3;
}

@media (min-width: 768px) {
    .modal-title-section h2 {
        font-size: 24px;
    }
}

.modal-title-section .modal-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .modal-title-section .modal-desc {
        font-size: 15px;
        line-height: 1.7;
    }
}

/* Modal Meta */
.modal-meta-bar {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    margin-top: 16px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .modal-meta-bar {
        gap: 24px;
        padding: 20px 32px;
        margin-top: 20px;
    }
}

.modal-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

@media (min-width: 768px) {
    .modal-meta-item {
        gap: 8px;
        font-size: 13px;
    }
}

.modal-meta-item svg {
    width: 16px; height: 16px;
    color: var(--primary);
}

/* Modal Content */
.modal-content-body {
    padding: 20px 20px 24px;
}

@media (min-width: 768px) {
    .modal-content-body {
        padding: 24px 32px 32px;
    }
}

.modal-content-body h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

@media (min-width: 768px) {
    .modal-content-body h3 {
        font-size: 16px;
        margin-bottom: 16px;
    }
}

.modal-content-body h3 svg {
    width: 18px; height: 18px;
    color: var(--primary);
}

.modal-outline {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.outline-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    background: var(--bg-warm);
    border-radius: 12px;
    border: 1.5px solid transparent;
    transition: var(--transition);
}

.outline-item:hover {
    border-color: rgba(26, 110, 255, 0.2);
    background: white;
    box-shadow: var(--shadow);
}

.outline-number {
    width: 28px; height: 28px;
    border-radius: 8px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

@media (min-width: 768px) {
    .outline-number {
        width: 32px; height: 32px;
        font-size: 13px;
    }
}

.outline-info {
    flex: 1;
    min-width: 0;
}

.outline-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

@media (min-width: 768px) {
    .outline-info h4 {
        font-size: 14px;
    }
}

.outline-info p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (min-width: 768px) {
    .outline-info p {
        font-size: 13px;
    }
}

/* Modal Footer */
.modal-footer {
    padding: 16px 20px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    border-top: 1px solid var(--border);
}

.modal-footer a,
.modal-footer button {
    text-decoration: none;
    display: inline-flex;
    font-family: inherit;
}

@media (min-width: 640px) {
    .modal-footer {
        flex-direction: row;
        justify-content: flex-end;
        padding: 16px 32px 24px;
        gap: 12px;
    }
}

.modal-btn,
button.modal-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    min-height: 36px;
    touch-action: manipulation;
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
}

@media (min-width: 768px) {
    .modal-btn {
        padding: 8px 18px;
        font-size: 13px;
        min-height: 36px;
    }
}

.modal-btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 16px rgba(26, 110, 255, 0.3);
}

.modal-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(26, 110, 255, 0.4);
}

.modal-btn-secondary {
    background: white;
    color: var(--text);
    border: 1.5px solid var(--border);
    box-sizing: border-box;
}

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

/* ===== TRAINING MODE ===== */
.training-mode {
    background: var(--bg-warm);
}

.mode-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 640px) {
    .mode-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .mode-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

.mode-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    text-align: center;
}

@media (min-width: 768px) {
    .mode-card {
        padding: 32px;
    }
}

.mode-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.mode-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

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

.mode-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.mode-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .mode-card p {
        font-size: 14px;
    }
}

/* ===== TARGET AUDIENCE ===== */
.target-audience {
    background: #fff;
}

.audience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    align-items: stretch;
}

@media (min-width: 640px) {
    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (min-width: 1024px) {
    .audience-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
}

.audience-card {
    background: white;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
}

@media (min-width: 768px) {
    .audience-card {
        padding: 32px;
    }
}

.audience-card:hover {
    border-color: rgba(26, 110, 255, 0.2);
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.audience-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.audience-card:hover::before {
    transform: scaleX(1);
}

.audience-icon {
    width: 56px; height: 56px;
    border-radius: 14px;
    background: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
}

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

.audience-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.audience-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    flex: 1;
}

@media (min-width: 768px) {
    .audience-card p {
        font-size: 14px;
    }
}

.audience-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 100px;
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: var(--bg-warm);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 1000px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 32px;
    }
}

.contact-info {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    border: 1.5px solid var(--border);
    height: fit-content;
}

@media (min-width: 768px) {
    .contact-info {
        padding: 32px;
    }
}

.contact-info-header {
    margin-bottom: 24px;
}

.contact-info-header h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
}

.contact-info-header p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (min-width: 768px) {
    .contact-info-header p {
        font-size: 14px;
    }
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-warm);
    border-radius: 12px;
    transition: var(--transition);
}

.contact-item:hover {
    background: var(--primary-light);
}

.contact-item-icon {
    width: 36px; height: 36px;
    border-radius: 10px;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--primary);
}

.contact-item-icon svg {
    width: 16px; height: 16px;
}

.contact-item-info h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.contact-item-info p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (min-width: 768px) {
    .contact-item-info h4 {
        font-size: 14px;
    }
    .contact-item-info p {
        font-size: 13px;
    }
}

/* Contact Form Card */
.contact-form-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    border: 1.5px solid var(--border);
}

@media (min-width: 768px) {
    .contact-form-card {
        padding: 32px;
    }
}

.contact-form-card h3 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 4px;
}

.form-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

@media (min-width: 768px) {
    .form-desc {
        font-size: 14px;
        margin-bottom: 24px;
    }
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
}

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

.form-group .required {
    color: #dc2626;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: white;
    transition: var(--transition);
    min-height: 44px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 110, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238a8a9a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
    touch-action: manipulation;
    margin-top: 4px;
}

.form-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(26, 110, 255, 0.35);
}

.form-submit-btn svg {
    width: 18px; height: 18px;
}

.form-note {
    font-size: 12px;
    color: var(--text-light);
    text-align: center;
    margin-top: 4px;
}

/* ===== NAVIGATION STYLES ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(26, 110, 255, 0.08);
    transition: var(--transition);
}

.navbar.scrolled { box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06); }

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

@media (min-width: 768px) {
    .nav-container {
        padding: 0 24px;
        height: 72px;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    min-width: 0;
}

@media (min-width: 768px) {
    .logo {
        gap: 12px;
    }
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 16px;
    flex-shrink: 0;
}

.logo-icon img {
    height: 36px;
    width: auto;
}

@media (min-width: 768px) {
    .logo-icon img {
        height: 44px;
    }
}

.logo-text {
    font-size: 14px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (min-width: 768px) {
    .logo-text {
        font-size: 16px;
    }
}

.logo-text span {
    display: block;
    font-size: 9px;
    font-weight: 400;
    color: var(--text-light);
    letter-spacing: 0.5px;
}

@media (min-width: 768px) {
    .logo-text span {
        font-size: 11px;
        letter-spacing: 1px;
    }
}

.nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 12px 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    gap: 2px;
    border-bottom: 1px solid var(--border);
    z-index: 999;
    list-style: none;
    margin: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
}

@media (min-width: 1024px) {
    .nav-links {
        display: flex;
        position: static;
        flex-direction: row;
        padding: 0;
        box-shadow: none;
        border-bottom: none;
        gap: 4px;
        max-height: none;
        overflow-y: visible;
    }
}

.nav-links.active { display: flex; }

.nav-links a {
    display: block;
    padding: 10px 14px;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    text-decoration: none;
    min-height: 40px;
    touch-action: manipulation;
}

@media (min-width: 1024px) {
    .nav-links a {
        padding: 8px 16px;
    }
}

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

.mobile-toggle {
    display: flex;
    width: 40px; height: 40px;
    border: none;
    background: var(--primary-light);
    border-radius: 10px;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    flex-shrink: 0;
    touch-action: manipulation;
}

@media (min-width: 1024px) {
    .mobile-toggle {
        display: none;
    }
}

.mobile-toggle span {
    display: block;
    width: 20px; height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--text);
    color: white;
    padding: 48px 0 24px;
}

@media (min-width: 768px) {
    .footer {
        padding: 64px 0 32px;
    }
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

@media (min-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
    }
}

.footer-brand .logo-icon {
    display: flex;
    align-items: left;
    justify-content: left;
    margin-bottom: 16px;
}

.footer-brand .logo-icon img {
    height: 84px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    max-width: 320px;
    margin-top: 12px;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-col a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    margin: 4px 0;
}

/* ===== ANIMATIONS ===== */
@keyframes slideDown {
    from { opacity: 0; transform: translate(-50%, -20px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}

@keyframes slideUp {
    from { opacity: 1; transform: translate(-50%, 0); }
    to { opacity: 0; transform: translate(-50%, -20px); }
}

.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== NOTIFICATION ===== */
.training-notification {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 12px 20px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 8px 24px rgba(26, 110, 255, 0.3);
    z-index: 3000;
    animation: slideDown 0.3s ease;
    max-width: 90vw;
    text-align: center;
    word-break: break-word;
}

@media (min-width: 768px) {
    .training-notification {
        top: 90px;
        padding: 12px 24px;
        font-size: 14px;
    }
}