@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- DESIGN SYSTEM & CSS VARIABLES --- */
:root {
    /* Color Palette */
    --primary: #C8102E;         /* Red Cross Red */
    --primary-hover: #A00B22;   /* Darker Red */
    --secondary: #0F7A50;       /* Health Green */
    --secondary-hover: #0B5C3C; /* Darker Green */
    --accent: #EAB308;          /* Amber Yellow for badges */
    
    /* Backgrounds */
    --bg-light: #F8FAFC;        /* Light Slate Gray */
    --bg-card: #FFFFFF;         /* White Card */
    --bg-dark: #0F172A;         /* Dark Slate Gray */
    --bg-dark-light: #1E293B;   /* Medium Slate Gray */
    
    /* Typography */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Text Colors */
    --text-main: #1E293B;       /* Charcoal */
    --text-muted: #64748B;      /* Slate Muted */
    --text-light: #F8FAFC;      /* Off-White */
    --text-white: #FFFFFF;      /* Pure White */
    
    /* Borders & Shadows */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- RESET & GLOBAL STYLES --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    text-size-adjust: 100%;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--bg-dark);
}

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

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

ul, ol {
    list-style: none;
}

/* --- UTILITY CLASSES --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-bg {
    background-color: var(--bg-card);
}

.section-title {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-title span {
    color: var(--primary);
    position: relative;
    display: inline-block;
}

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
}

.section-title p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.text-gradient-red {
    background: linear-gradient(135deg, var(--primary) 0%, #E11D48 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-green {
    background: linear-gradient(135deg, var(--secondary) 0%, #10B981 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(200, 16, 46, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200, 16, 46, 0.35);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--text-white);
    box-shadow: 0 4px 14px rgba(15, 122, 80, 0.25);
}

.btn-secondary:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 122, 80, 0.35);
}

.btn-outline {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--text-white);
}

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

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

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

/* --- HEADER & TOPBAR --- */
.topbar {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 8px 0;
    font-size: 0.85rem;
}

.topbar-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.topbar-contact {
    display: flex;
    gap: 20px;
}

.topbar-contact a {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.85;
}

.topbar-contact a:hover {
    opacity: 1;
    color: var(--primary);
}

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

.topbar-social a {
    width: 24px;
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.topbar-social a:hover {
    background-color: var(--primary);
    color: var(--text-white);
}

.header {
    background-color: var(--bg-card);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: var(--transition-normal);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

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

.logo-icon {
    width: 48px;
    height: 48px;
}

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

.logo-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--bg-dark-light);
    letter-spacing: 0.2px;
}

.nav-menu {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--bg-dark);
    position: relative;
    padding: 6px 0;
}

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

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

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

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--bg-dark);
}

/* --- HERO SECTION --- */
.hero {
    background: linear-gradient(135deg, #7F0F19 0%, #C8102E 50%, #A00B22 100%);
    color: var(--text-white);
    padding: 100px 0 140px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.3;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-tagline {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(4px);
    color: var(--text-white);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--text-white);
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-desc {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

.hero-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.hero-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: var(--transition-normal);
}

.hero-card:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateX(10px);
}

.hero-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background-color: var(--text-white);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.hero-card-content h3 {
    font-size: 1.1rem;
    color: var(--text-white);
    margin-bottom: 4px;
}

.hero-card-content p {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* --- STATS COUNTER --- */
.stats {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 50px 0;
    margin-top: -60px;
    position: relative;
    z-index: 5;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stats-item {
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stats-item:last-child {
    border-right: none;
}

.stats-number {
    font-family: var(--font-heading);
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
    background: linear-gradient(135deg, #FF6B6B 0%, #C8102E 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stats-label {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

.course-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
    border: 1px solid rgba(226, 232, 240, 0.7);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.course-card::after {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.course-card.cc-orange::after { background: radial-gradient(circle, rgba(250, 84, 28, 0.12) 0%, rgba(250, 84, 28, 0) 70%); }
.course-card.cc-blue::after   { background: radial-gradient(circle, rgba(24, 144, 255, 0.12) 0%, rgba(24, 144, 255, 0) 70%); }
.course-card.cc-green::after  { background: radial-gradient(circle, rgba(82, 196, 26, 0.12) 0%, rgba(82, 196, 26, 0) 70%); }
.course-card.cc-yellow::after { background: radial-gradient(circle, rgba(250, 219, 20, 0.12) 0%, rgba(250, 219, 20, 0) 70%); }
.course-card.cc-purple::after { background: radial-gradient(circle, rgba(114, 46, 209, 0.12) 0%, rgba(114, 46, 209, 0) 70%); }
.course-card.cc-cyan::after   { background: radial-gradient(circle, rgba(19, 194, 194, 0.12) 0%, rgba(19, 194, 194, 0) 70%); }

.course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    transform: scaleX(0.25);
    transform-origin: left;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.course-card.cc-orange::before { background-color: #FA541C; }
.course-card.cc-blue::before   { background-color: #1890FF; }
.course-card.cc-green::before  { background-color: #52C41A; }
.course-card.cc-yellow::before { background-color: #D4B106; }
.course-card.cc-purple::before { background-color: #722ED1; }
.course-card.cc-cyan::before   { background-color: #13C2C2; }

.course-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.08), 0 10px 20px -10px rgba(15, 23, 42, 0.04);
    border-color: rgba(226, 232, 240, 1);
}

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

.course-card:hover::after {
    transform: scale(1.6);
}

.course-icon-wrapper {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 24px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.course-card:hover .course-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.course-icon-wrapper.c-orange { background-color: rgba(250, 84, 28, 0.08); color: #FA541C; box-shadow: 0 4px 12px rgba(250, 84, 28, 0.1); }
.course-icon-wrapper.c-blue   { background-color: rgba(24, 144, 255, 0.08); color: #1890FF; box-shadow: 0 4px 12px rgba(24, 144, 255, 0.1); }
.course-icon-wrapper.c-green  { background-color: rgba(82, 196, 26, 0.08); color: #52C41A; box-shadow: 0 4px 12px rgba(82, 196, 26, 0.1); }
.course-icon-wrapper.c-yellow { background-color: rgba(250, 219, 20, 0.08); color: #D4B106; box-shadow: 0 4px 12px rgba(250, 219, 20, 0.15); }
.course-icon-wrapper.c-purple { background-color: rgba(114, 46, 209, 0.08); color: #722ED1; box-shadow: 0 4px 12px rgba(114, 46, 209, 0.1); }
.course-icon-wrapper.c-cyan   { background-color: rgba(19, 194, 194, 0.08); color: #13C2C2; box-shadow: 0 4px 12px rgba(19, 194, 194, 0.1); }

.course-tag {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 14px;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: inline-block;
}

.course-tag.t-orange { color: #FA541C; background-color: rgba(250, 84, 28, 0.08); }
.course-tag.t-blue   { color: #1890FF; background-color: rgba(24, 144, 255, 0.08); }
.course-tag.t-green  { color: #52C41A; background-color: rgba(82, 196, 26, 0.08); }
.course-tag.t-yellow { color: #B38600; background-color: rgba(250, 219, 20, 0.1); }
.course-tag.t-purple { color: #722ED1; background-color: rgba(114, 46, 209, 0.08); }
.course-tag.t-cyan   { color: #13C2C2; background-color: rgba(19, 194, 194, 0.08); }

.course-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--bg-dark);
    line-height: 1.4;
}

.course-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-bottom: 24px;
    flex-grow: 1;
}

.course-footer {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid rgba(226, 232, 240, 0.7);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.course-link {
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 4px;
    position: relative;
    transition: var(--transition-fast);
}

.course-link i {
    transition: transform 0.3s ease;
}

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

.course-card:hover .course-link i {
    transform: translateX(5px);
}

/* --- ABOUT SECTION --- */
.about-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.about-badge-img {
    position: relative;
    display: flex;
    justify-content: center;
}

.about-badge-circle {
    width: 320px;
    height: 320px;
    border-radius: 50%;
    border: 8px solid rgba(200, 16, 46, 0.05);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-logo-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
}

.about-logo-wrapper img {
    width: 100%;
    height: 100%;
}

.about-experience-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background-color: var(--primary);
    color: var(--text-white);
    padding: 16px 20px;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-experience-badge .years {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    display: block;
}

.about-experience-badge .text {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.about-content h3 {
    font-size: 1.85rem;
    margin-bottom: 20px;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 24px;
}

.about-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.about-list-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: rgba(15, 122, 80, 0.1);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-list-text h4 {
    font-size: 1.05rem;
    color: var(--bg-dark);
    margin-bottom: 2px;
}

.about-list-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* --- ACTIVITIES / NEWS --- */
.activities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.activity-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.activity-img-wrapper {
    height: 220px;
    overflow: hidden;
    position: relative;
}

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

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

.activity-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--secondary);
    color: var(--text-white);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.activity-content {
    padding: 24px;
}

.activity-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    gap: 12px;
}

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

.activity-content h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
    line-height: 1.4;
}

.activity-content h3 a:hover {
    color: var(--primary);
}

.activity-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.activity-link {
    font-weight: 700;
    color: var(--primary);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

/* --- REGISTRATION SECTION & FORM --- */
.register-bg {
    background-color: var(--bg-dark);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.register-bg::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background-image: radial-gradient(rgba(200, 16, 46, 0.15) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
    opacity: 0.5;
}

.register-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.register-content .tag {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 12px;
    display: block;
}

.register-content h2 {
    color: var(--text-white);
    font-size: 2.25rem;
    margin-bottom: 24px;
    font-weight: 800;
}

.register-content p {
    opacity: 0.8;
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.register-bullets {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.register-bullet-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.register-bullet-icon {
    color: var(--primary);
    font-size: 1.1rem;
    margin-top: 2px;
}

.register-bullet-text {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Form Styling */
.register-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    color: var(--text-main);
}

.register-card h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    text-align: center;
    color: var(--bg-dark);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

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

.form-group-full {
    grid-column: span 2;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid #E2E8F0;
    background-color: #F8FAFC;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--text-white);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23475569'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.form-checkbox input {
    margin-top: 3px;
    accent-color: var(--primary);
}

.register-card .btn {
    width: 100%;
}

/* Toast message for registration feedback */
.toast-msg {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: none;
    align-items: center;
    gap: 10px;
}

.toast-success {
    background-color: #DEF7EC;
    color: #03543F;
    border: 1px solid #BCF0DA;
    display: flex;
}

.toast-error {
    background-color: #FDE8E8;
    color: #9B1C1C;
    border: 1px solid #FBD5D5;
    display: flex;
}

/* --- VIDEOS SECTION --- */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.video-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.video-thumbnail-wrapper {
    position: relative;
    height: 200px;
    background-color: var(--bg-dark);
}

.video-thumbnail-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.85;
    transition: var(--transition-normal);
}

.video-card:hover .video-thumbnail-wrapper img {
    transform: scale(1.04);
    opacity: 0.75;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary);
    color: var(--text-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(200, 16, 46, 0.4);
    transition: var(--transition-normal);
    z-index: 2;
}

.video-play-btn i {
    margin-left: 4px; /* Align play triangle */
}

.video-card:hover .video-play-btn {
    transform: translate(-50%, -50%) scale(1.1);
    background-color: var(--text-white);
    color: var(--primary);
    box-shadow: 0 4px 25px rgba(255, 255, 255, 0.5);
}

.video-content {
    padding: 20px;
}

.video-content h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.video-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.videos-cta {
    text-align: center;
    margin-top: 40px;
}

/* --- PARTNERS --- */
.partners-bg {
    background-color: #F1F5F9;
    padding: 50px 0;
    border-top: 1px solid #E2E8F0;
    border-bottom: 1px solid #E2E8F0;
}

.partners-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.partners-flex {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

.partner-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.65;
    filter: grayscale(1);
    transition: var(--transition-fast);
}

.partner-logo:hover {
    opacity: 1;
    filter: grayscale(0);
}

.partner-logo img {
    height: 48px;
    width: auto;
}

.partner-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--bg-dark-light);
}

/* --- CONTACT SECTION --- */
.contact-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 50px;
}

.contact-info h3 {
    font-size: 1.85rem;
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--text-muted);
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: rgba(200, 16, 46, 0.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 1.05rem;
    color: var(--bg-dark);
    margin-bottom: 4px;
}

.contact-text p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.contact-map-wrapper {
    height: 100%;
    min-height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid #E2E8F0;
    position: relative;
}

#map {
    height: 100%;
    width: 100%;
    min-height: 400px;
}

/* --- FOOTER --- */
.footer {
    background-color: var(--bg-dark);
    color: var(--text-white);
    padding: 80px 0 30px 0;
    border-top: 4px solid var(--primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-col h3 {
    color: var(--text-white);
    font-size: 1.25rem;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-about .logo {
    margin-bottom: 20px;
}

.footer-about .logo-title {
    color: var(--text-white);
}

.footer-about p {
    opacity: 0.7;
    font-size: 0.9rem;
    margin-bottom: 24px;
}

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

.footer-links a {
    opacity: 0.7;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
    transform: translateX(4px);
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9rem;
}

.footer-contact-item i {
    color: var(--primary);
    margin-top: 4px;
}

.footer-contact-item p {
    opacity: 0.7;
    margin: 0;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

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

/* --- RESPONSIVENESS --- */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-item {
        border-right: none;
        padding: 10px 0;
    }
    
    .courses-grid,
    .activities-grid,
    .videos-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-wrapper,
    .register-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-badge-img {
        order: -1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 10px 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-card);
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        gap: 30px;
        transition: var(--transition-normal);
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .courses-grid,
    .activities-grid,
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group-full {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .topbar {
        display: none;
    }
}

/* AOS scroll styling adjustments if needed */
[data-aos] {
    pointer-events: none;
}
.aos-animate [data-aos] {
    pointer-events: auto;
}

/* --- VIDEO MODAL STYLES --- */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    pointer-events: auto;
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(8px);
}

.video-modal-container {
    position: relative;
    width: 90%;
    max-width: 900px;
    background-color: #000000;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    z-index: 2;
}

.video-modal.active .video-modal-container {
    transform: scale(1);
}

.video-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    z-index: 10;
}

.video-modal-close:hover {
    background-color: var(--primary);
    transform: rotate(90deg);
}

.video-modal-content {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
}

.video-modal-content iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* --- ABOUT PAGE (GIOI THIEU) STYLES --- */
.page-hero {
    background: linear-gradient(135deg, #A00B22 0%, #C8102E 50%, #0F7A50 100%);
    padding: 80px 0 60px 0;
    color: #ffffff;
    text-align: center;
    position: relative;
}

.page-hero h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumbs a {
    color: #ffffff;
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumbs a:hover {
    color: #FFF2E8;
    text-decoration: underline;
}

/* Timeline Layout */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 40px auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    transform: translateX(-50%);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
    text-align: left;
}

.timeline-dot {
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background-color: #ffffff;
    border: 4px solid var(--primary);
    border-radius: 50%;
    z-index: 5;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
    border-color: var(--secondary);
}

.timeline-content {
    background-color: #ffffff;
    padding: 24px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid #E2E8F0;
    transition: var(--transition-normal);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.timeline-item:nth-child(even) .timeline-content:hover {
    border-color: var(--secondary);
}

.timeline-year {
    display: inline-block;
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-item:nth-child(even) .timeline-year {
    color: var(--secondary);
}

.timeline-content h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--bg-dark);
}

/* Organizational Chart */
.org-chart {
    max-width: 1000px;
    margin: 50px auto 20px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.org-level {
    display: flex;
    justify-content: center;
    gap: 24px;
    width: 100%;
    flex-wrap: wrap;
}

.org-node {
    background-color: #ffffff;
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    border: 1px solid #E2E8F0;
    border-top: 5px solid var(--primary);
    text-align: center;
    min-width: 240px;
    max-width: 320px;
    transition: var(--transition-normal);
    position: relative;
}

.org-node:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-top-color: var(--secondary);
}

.org-node.level-1 {
    border-top-width: 6px;
    padding: 24px;
}

.org-node.level-2 {
    border-top-color: var(--secondary);
    min-width: 260px;
}

.org-node.level-2:hover {
    border-top-color: var(--primary);
}

.org-node h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 6px;
    font-size: 1.05rem;
}

.org-node p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Faculty Grid */
.faculty-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.faculty-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.8);
    display: flex;
    transition: var(--transition-normal);
}

.faculty-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.faculty-img-wrapper {
    width: 45%;
    min-width: 180px;
    overflow: hidden;
    position: relative;
}

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

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

.faculty-info {
    padding: 24px;
    width: 55%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.faculty-info h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 4px;
}

.faculty-role {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.faculty-card:nth-child(even) .faculty-role {
    color: var(--secondary);
}

.faculty-bio {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* About Page Responsive */
@media (max-width: 900px) {
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 0;
    }
    
    .timeline-item:nth-child(odd),
    .timeline-item:nth-child(even) {
        left: 0;
        text-align: left;
    }
    
    .timeline-dot {
        left: 20px !important;
        right: auto !important;
    }
    
    .faculty-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .faculty-card {
        flex-direction: column;
    }
    
    .faculty-img-wrapper {
        width: 100%;
        height: 250px;
    }
    
    .faculty-info {
        width: 100%;
        padding: 20px;
    }
}

/* --- COURSES PAGE (KHOA HOC) STYLES --- */
.course-filters {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    background-color: #ffffff;
    border: 1px solid #E2E8F0;
    padding: 10px 22px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-main);
    cursor: pointer;
    border-radius: 30px;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

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

.filter-btn.active {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(200, 16, 46, 0.2);
}

/* Detailed Course Layout */
.detailed-courses-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.detailed-course-card {
    background-color: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: var(--shadow-sm);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.detailed-course-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background-color: var(--primary);
}

.detailed-course-card.cc-orange::before { background-color: #FA541C; }
.detailed-course-card.cc-blue::before   { background-color: #1890FF; }
.detailed-course-card.cc-green::before  { background-color: #52C41A; }
.detailed-course-card.cc-yellow::before { background-color: #FADB14; }
.detailed-course-card.cc-purple::before { background-color: #722ED1; }
.detailed-course-card.cc-cyan::before   { background-color: #13C2C2; }

.detailed-course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.detailed-course-header {
    margin-bottom: 20px;
}

.detailed-course-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--bg-dark);
    margin-top: 8px;
    margin-bottom: 12px;
}

.detailed-course-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 16px;
}

.detailed-course-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Accordion Layout */
.course-accordion {
    border-top: 1px solid #F1F5F9;
    padding-top: 15px;
    margin-bottom: 20px;
}

.accordion-header {
    width: 100%;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--bg-dark);
    cursor: pointer;
    text-align: left;
    outline: none;
}

.accordion-header i {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.accordion-header.active i {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.accordion-content-inner {
    padding: 12px 0 6px 0;
    font-size: 0.9rem;
    color: var(--text-main);
}

.syllabus-list {
    list-style: none;
    padding: 0;
    margin: 8px 0;
}

.syllabus-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.syllabus-list li::before {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 0.75rem;
    color: var(--primary);
    position: absolute;
    left: 0;
    top: 2px;
}

.cc-green .syllabus-list li::before { color: #52C41A; }
.cc-blue .syllabus-list li::before  { color: #1890FF; }
.cc-yellow .syllabus-list li::before { color: #D4B106; }
.cc-purple .syllabus-list li::before { color: #722ED1; }
.cc-cyan .syllabus-list li::before   { color: #13C2C2; }

/* Accreditation Section Layout */
.accreditation-wrapper {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 50px;
    align-items: center;
}

.accreditation-img {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

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

.accreditation-list {
    margin-top: 24px;
}

.accreditation-item {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
}

.accreditation-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: 50%;
    background-color: rgba(15, 122, 80, 0.08);
    color: var(--secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.accreditation-text h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    color: var(--bg-dark);
    margin-bottom: 4px;
    font-size: 1rem;
}

.accreditation-text p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Course Page Responsive */
@media (max-width: 900px) {
    .detailed-courses-grid {
        grid-template-columns: 1fr;
    }
    
    .accreditation-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .accreditation-img {
        max-width: 480px;
        margin: 0 auto;
    }
}