:root {
    --primary: #4361ee;
    --secondary: #3a0ca3;
    --accent: #f72585;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --success: #4cc9f0;
    --transition: all 0.3s ease;
    --border-radius: 12px;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --box-shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    overflow-x: hidden;
    background-color: #f9fafb;
}

a { text-decoration: none; color: inherit; }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== HEADER ===== */
header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--dark);
    padding: 16px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
}

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

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

.logo-img-actual {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    object-fit: cover;
    transition: var(--transition);
}

.logo:hover .logo-img-actual { transform: rotate(5deg) scale(1.05); }

.logo-text {
    font-size: 22px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
}

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

.nav-links {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
}

.nav-links li { margin-left: 24px; }

.nav-links a {
    font-weight: 500;
    font-size: 0.98rem;
    transition: var(--transition);
    position: relative;
    padding-bottom: 4px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transition: var(--transition);
    border-radius: 3px;
}

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

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

.hamburger {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--primary);
    transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn {
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    gap: 10px;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
    font-family: 'Poppins', sans-serif;
}

.btn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: -100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}

.btn:hover::after { left: 100%; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.25);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.35);
    color: white;
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.12);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(67, 97, 238, 0.25);
}

.btn-accent {
    background: var(--accent);
    color: white;
    border: 2px solid var(--accent);
    box-shadow: 0 8px 20px rgba(247, 37, 133, 0.25);
}

.btn-accent:hover {
    background: transparent;
    color: var(--accent);
    transform: translateY(-4px);
}

/* ===== SECTION TITLES ===== */
.section-title {
    margin-bottom: 60px;
    text-align: center;
}

.section-title h2 {
    font-size: 2.6rem;
    color: var(--dark);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    font-family: 'Montserrat', sans-serif;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 70px;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    bottom: -14px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 20px auto 0;
    font-size: 1.1rem;
}

/* ===== HERO ===== */
.hero {
    padding: 180px 0 110px;
    background: linear-gradient(135deg, rgba(67,97,238,0.08) 0%, rgba(58,12,163,0.12) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(67,97,238,0.08) 0%, rgba(247,37,133,0.08) 100%);
    top: -200px;
    right: -200px;
}

.hero::after {
    content: '';
    position: absolute;
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(58,12,163,0.08) 0%, rgba(76,201,240,0.08) 100%);
    bottom: -125px;
    left: -125px;
}

.hero-content {
    max-width: 820px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: white;
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 28px;
    box-shadow: var(--box-shadow);
    animation: fadeInDown 0.6s ease;
}

.hero-badge i { color: var(--accent); }

.hero h1 {
    font-size: 3.6rem;
    font-weight: 800;
    margin-bottom: 22px;
    color: var(--dark);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.15;
    animation: fadeInUp 0.7s ease 0.1s both;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.2rem;
    margin: 0 auto 40px;
    color: var(--gray);
    max-width: 600px;
    line-height: 1.8;
    animation: fadeInUp 0.7s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;
    margin-top: 10px;
    animation: fadeInUp 0.7s ease 0.3s both;
}

/* ===== STATS ===== */
.stats {
    padding: 90px 0;
    background: white;
}

.stats-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.stat-box {
    text-align: center;
    padding: 40px 30px;
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    flex: 1;
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.stat-box::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 5px;
    bottom: 0;
    left: 0;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.stat-box:hover::before { transform: scaleX(1); }
.stat-box:hover { transform: translateY(-10px); box-shadow: var(--box-shadow-hover); }

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 22px;
    color: white;
    box-shadow: 0 5px 15px rgba(67,97,238,0.2);
}

.stat-number {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    display: block;
    font-family: 'Montserrat', sans-serif;
}

.stat-text {
    font-size: 1.1rem;
    color: var(--gray);
    font-weight: 500;
}

/* ===== ABOUT ===== */
.about {
    padding: 110px 0;
    background: linear-gradient(rgba(67,97,238,0.04) 0%, rgba(58,12,163,0.08) 100%);
}

.about-content {
    display: flex;
    align-items: center;
    gap: 70px;
}

.about-text { flex: 1; }

.about-text p {
    margin-bottom: 22px;
    line-height: 1.85;
    color: #555;
    font-size: 1.08rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    color: var(--dark);
}

.about-feature i {
    color: var(--primary);
    font-size: 1rem;
    width: 22px;
}

.about-image {
    flex: 1;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--box-shadow-hover);
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(67,97,238,0.12) 0%, rgba(247,37,133,0.12) 100%);
    z-index: 1;
    opacity: 0;
    transition: var(--transition);
}

.about-image:hover::before { opacity: 1; }
.about-image img { width: 100%; height: auto; display: block; transition: var(--transition); }
.about-image:hover img { transform: scale(1.04); }

/* ===== PROCESS ===== */
.process {
    padding: 110px 0;
    background: white;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
    counter-reset: step-counter;
}

.step {
    flex: 1;
    min-width: 260px;
    background: var(--light);
    padding: 55px 28px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.step::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    width: 46px;
    height: 46px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    box-shadow: 0 5px 15px rgba(67,97,238,0.3);
}

.step:hover { transform: translateY(-10px); box-shadow: var(--box-shadow-hover); }

.step-icon {
    width: 74px;
    height: 74px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 8px auto 22px;
    font-size: 28px;
    box-shadow: 0 5px 15px rgba(67,97,238,0.2);
    transition: var(--transition);
}

.step:hover .step-icon { transform: scale(1.1); }
.step h3 { font-size: 1.4rem; margin-bottom: 14px; color: var(--dark); }
.step p { color: var(--gray); line-height: 1.7; }

/* ===== SERVICES ===== */
.services {
    padding: 110px 0;
    background: linear-gradient(rgba(67,97,238,0.04) 0%, rgba(58,12,163,0.08) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 0;
    bottom: 0;
    left: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    z-index: -1;
    transition: var(--transition);
    opacity: 0.95;
}

.service-card:hover::before { height: 100%; }
.service-card:hover { transform: translateY(-10px); box-shadow: var(--box-shadow-hover); }
.service-card:hover .service-icon { background: white; color: var(--primary); }
.service-card:hover .service-content h3,
.service-card:hover .service-content p { color: white; }
.service-card:hover .btn-outline { color: white; border-color: white; }
.service-card:hover .btn-outline:hover { background: white; color: var(--primary); }

.service-icon {
    width: 76px;
    height: 76px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    font-size: 26px;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(67,97,238,0.2);
}

.service-content { padding: 38px 28px; text-align: center; }
.service-content h3 { font-size: 1.5rem; margin-bottom: 16px; color: var(--dark); transition: var(--transition); }
.service-content p { color: var(--gray); margin-bottom: 24px; line-height: 1.7; transition: var(--transition); }

/* ===== TEAM ===== */
.team {
    padding: 110px 0;
    background: white;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.team-member {
    background: var(--light);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

.team-member:hover { transform: translateY(-10px); box-shadow: var(--box-shadow-hover); }

.team-img-container { position: relative; overflow: hidden; }

.team-img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.team-member:hover .team-img { transform: scale(1.05); }

.team-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(67,97,238,0.85) 0%, transparent 60%);
    display: flex;
    justify-content: center;
    align-items: flex-end;
    padding: 28px;
    opacity: 0;
    transition: var(--transition);
}

.team-member:hover .team-overlay { opacity: 1; }

.team-info { padding: 22px; }
.team-info h3 { font-size: 1.4rem; margin-bottom: 5px; color: var(--dark); }
.team-info p { color: var(--gray); margin-bottom: 14px; }

.team-social {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.team-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--primary);
    font-size: 0.9rem;
}

.team-social a:hover { background: var(--primary); color: white; transform: translateY(-4px); }

/* ===== PORTFOLIO ===== */
.portfolio {
    padding: 110px 0;
    background: linear-gradient(rgba(67,97,238,0.04) 0%, rgba(58,12,163,0.08) 100%);
}

.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 50px;
}

.filter-btn {
    padding: 11px 26px;
    background: white;
    border: none;
    border-radius: 50px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--box-shadow);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}

.filter-btn.active, .filter-btn:hover {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(67,97,238,0.3);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.portfolio-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    box-shadow: var(--box-shadow);
    height: 270px;
    transition: var(--transition);
}

.portfolio-item:hover { transform: translateY(-10px); box-shadow: var(--box-shadow-hover); }

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

.portfolio-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(58,12,163,0.92) 0%, rgba(67,97,238,0.75) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    padding: 24px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-item:hover .portfolio-img { transform: scale(1.08); }

.portfolio-title {
    color: white;
    font-size: 1.45rem;
    font-weight: 600;
    margin-bottom: 12px;
    transform: translateY(20px);
    transition: all 0.3s ease 0.1s;
    opacity: 0;
}

.portfolio-desc {
    color: rgba(255,255,255,0.9);
    font-size: 0.95rem;
    transform: translateY(20px);
    transition: all 0.3s ease 0.2s;
    opacity: 0;
}

.portfolio-item:hover .portfolio-title,
.portfolio-item:hover .portfolio-desc { transform: translateY(0); opacity: 1; }

/* ===== CONTACT PAGE ===== */
.page-hero {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, rgba(67,97,238,0.08) 0%, rgba(58,12,163,0.12) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 16px;
    color: var(--dark);
}

.page-hero p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
    font-size: 0.95rem;
    color: var(--gray);
}

.breadcrumb a { color: var(--primary); }
.breadcrumb span { color: var(--gray); }

/* ===== CONTACT SECTION ===== */
.contact { padding: 110px 0; background: white; }

.contact-container { display: flex; gap: 60px; }
.contact-info { flex: 1; }
.contact-form-wrap { flex: 1.3; }

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 25px;
    padding: 22px;
    border-radius: var(--border-radius);
    background: var(--light);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.info-item:hover { transform: translateY(-5px); box-shadow: var(--box-shadow-hover); }

.info-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(67,97,238,0.2);
}

.info-content h3 { font-size: 1.2rem; margin-bottom: 10px; color: var(--dark); }
.info-content p { color: var(--gray); line-height: 1.7; }
.info-content a { color: var(--primary); }
.info-content a:hover { text-decoration: underline; }

.form-group { margin-bottom: 22px; position: relative; }

.form-input {
    width: 100%;
    padding: 16px 18px;
    border: 2px solid #eee;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--light);
    color: var(--dark);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67,97,238,0.15);
    background: white;
}

textarea.form-input { min-height: 170px; resize: vertical; }

.form-label {
    position: absolute;
    left: 18px;
    top: 17px;
    font-size: 1rem;
    color: #aaa;
    pointer-events: none;
    transition: var(--transition);
    background: transparent;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    top: -12px;
    left: 14px;
    font-size: 0.85rem;
    background: white;
    padding: 0 8px;
    color: var(--primary);
    font-weight: 600;
}

.form-row { display: flex; gap: 20px; }
.form-row .form-group { flex: 1; }

.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-error { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }

/* ===== MAP ===== */
.map-section { padding: 0; }
.map-embed { width: 100%; height: 400px; border: none; display: block; }

/* ===== COURSE PAGE ===== */
.course-hero {
    padding: 160px 0 90px;
    background: linear-gradient(135deg, rgba(67,97,238,0.08) 0%, rgba(58,12,163,0.12) 100%);
    position: relative;
    overflow: hidden;
}

.course-hero-content { display: flex; gap: 50px; position: relative; z-index: 1; align-items: flex-start; }
.course-hero-text { flex: 1.4; }

.course-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: white;
    padding: 7px 18px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 22px;
}

.course-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--dark);
    font-family: 'Montserrat', sans-serif;
    line-height: 1.2;
}

.course-subtitle { font-size: 1.15rem; color: var(--gray); margin-bottom: 28px; line-height: 1.7; }

.course-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 30px;
}

.course-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    font-size: 0.95rem;
}

.course-meta-item i { color: var(--primary); }

.instructor-info {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 25px;
    padding: 18px;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.instructor-img { width: 65px; height: 65px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary); }
.instructor-name { font-size: 1.1rem; font-weight: 600; margin-bottom: 4px; }
.instructor-title { color: var(--gray); font-size: 0.9rem; }

.course-card {
    background: white;
    border-radius: 18px;
    box-shadow: var(--box-shadow-hover);
    padding: 35px;
    flex: 0 0 340px;
    position: sticky;
    top: 100px;
}

.price-tag {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin: 15px 0;
    text-align: center;
    font-family: 'Montserrat', sans-serif;
}

.price-tag .original {
    font-size: 1.3rem;
    color: var(--gray);
    text-decoration: line-through;
    margin-left: 10px;
}

.price-note { text-align: center; color: var(--gray); font-size: 0.9rem; margin-bottom: 22px; }

.course-includes { margin: 20px 0; }
.course-includes li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
}

.course-includes li i { color: var(--primary); width: 18px; }

.course-sections { padding: 90px 0; background: white; }

.curriculum-item {
    background: var(--light);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.curriculum-header {
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.05rem;
    background: white;
    transition: var(--transition);
}

.curriculum-header:hover { background: rgba(67,97,238,0.04); color: var(--primary); }
.curriculum-header i { transition: var(--transition); color: var(--primary); }
.curriculum-header.open i { transform: rotate(180deg); }

.curriculum-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.curriculum-body.open { max-height: 500px; }

.curriculum-lessons { list-style: none; }
.curriculum-lessons li {
    padding: 12px 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.95rem;
    color: var(--gray);
}

.curriculum-lessons li i { color: var(--primary); width: 16px; }

/* ===== FOOTER ===== */
footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column { flex: 1; min-width: 230px; }

.footer-column h3 {
    font-size: 1.35rem;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 36px;
    height: 3px;
    background: var(--accent);
    bottom: 0;
    left: 0;
}

.footer-links { list-style: none; }

.footer-links li {
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #ccc;
    font-size: 0.95rem;
}

.footer-links i { color: var(--accent); font-size: 0.9rem; margin-top: 4px; flex-shrink: 0; }
.footer-links a { color: #ccc; transition: var(--transition); }
.footer-links a:hover { color: white; padding-left: 4px; }

.social-icons {
    display: flex;
    gap: 12px;
    margin-top: 22px;
}

.social-icons a {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1.1rem;
    color: white;
}

.social-icons a:hover { background: var(--primary); transform: translateY(-5px); }

.copyright {
    text-align: center;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: #aaa;
    font-size: 0.95rem;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 5px 20px rgba(67,97,238,0.4);
    cursor: pointer;
    transition: var(--transition);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
}

.back-to-top.active { opacity: 1; visibility: visible; }
.back-to-top:hover { transform: translateY(-5px); box-shadow: 0 8px 25px rgba(67,97,238,0.5); }

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .course-hero-content { flex-direction: column; }
    .course-card { position: static; flex: none; width: 100%; max-width: 500px; }
}

@media (max-width: 992px) {
    .hero h1 { font-size: 2.8rem; }
    .about-content, .contact-container { flex-direction: column; }
    .process-steps { gap: 60px 28px; }
    .step { min-width: calc(50% - 28px); }
    .course-hero-content { flex-direction: column; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 74px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 20px;
        text-align: center;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        border-top: 1px solid #eee;
    }
    .nav-links.active { display: flex; }
    .nav-links li { margin: 12px 0; }
    .hamburger { display: block; }
    .hero { padding: 140px 0 80px; }
    .hero h1 { font-size: 2.4rem; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .stats-container { flex-direction: column; }
    .stat-box { min-width: 100%; }
    .step { min-width: 100%; }
    .section-title h2 { font-size: 2.2rem; }
    .footer-content { flex-direction: column; gap: 45px; }
    .form-row { flex-direction: column; gap: 0; }
    .team-grid { max-width: 100%; }
    .course-title { font-size: 2rem; }
}

@media (max-width: 576px) {
    .hero h1 { font-size: 2rem; }
    .section-title h2 { font-size: 1.9rem; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .info-item { flex-direction: column; text-align: center; align-items: center; }
    .back-to-top { bottom: 20px; right: 20px; width: 46px; height: 46px; }
}