:root {
    --bg-color: #fbf9f4;
    --primary-color: #005063;
    --primary-light: #007c99;
    --primary-dark: #003643;
    --accent-color: #dca243;
    --accent-hover: #c48e35;
    --dark-text: #1a2c33;
    --card-bg: #efe5d3;
    --white: #ffffff;
    --gray-light: #f0ede6;
    --gray-text: #5a6b73;
    --tg-color: #24A1DE;
    --danger: #e05252;
    --success: #2ecc71;
    --warning: #f1c40f;
    --info: #3498db;
    --shadow-xs: 0 2px 4px rgba(0, 80, 99, 0.02);
    --shadow-sm: 0 4px 12px rgba(0, 80, 99, 0.05);
    --shadow-md: 0 10px 24px rgba(0, 80, 99, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 80, 99, 0.1);
    --shadow-accent: 0 10px 20px rgba(220, 162, 67, 0.2);
    --transition-fast: all 0.2s ease;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-slow: all 0.6s ease-in-out;
    --radius-xl: 40px;
    --radius-lg: 30px;
    --radius-md: 15px;
    --radius-sm: 8px;
    --radius-xs: 4px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--dark-text);
    line-height: 1.8;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gray-text);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

::selection {
    background-color: var(--primary-color);
    color: var(--white);
}

h1, h2, h3, h4, h5, h6, .logo-text {
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
}

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

button, input, textarea, select {
    font-family: inherit;
    outline: none;
    border: none;
}

button:focus-visible, a:focus-visible, input:focus-visible {
    outline: 3px solid var(--accent-color);
    outline-offset: 2px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 42px;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    opacity: 0.8;
    max-width: 700px;
    margin: 0 auto 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    user-select: none;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--white) !important;
    box-shadow: 0 4px 15px rgba(0, 80, 99, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 80, 99, 0.3);
    background: var(--primary-light);
}

.btn-primary:active {
    transform: translateY(1px);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white) !important;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 80, 99, 0.15);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 13px;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.tag {
    display: inline-block;
    background: var(--card-bg);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 15px;
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

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

.form-group {
    margin-bottom: 20px;
    position: relative;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark-text);
}

.form-control {
    width: 100%;
    padding: 15px;
    background: var(--bg-color);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 16px;
    color: var(--dark-text);
    transition: var(--transition);
}

.form-control::placeholder {
    color: var(--gray-text);
    opacity: 0.7;
}

.form-control:focus {
    border-color: var(--primary-color);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0, 80, 99, 0.1);
}

.form-error {
    color: var(--danger);
    font-size: 12px;
    margin-top: 5px;
    display: none;
    animation: fadeIn 0.3s;
}

.form-control.invalid {
    border-color: var(--danger);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 12px;
    opacity: 0.8;
    cursor: pointer;
    margin: 20px 0;
}

.checkbox-label input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 2px solid var(--gray-text);
    border-radius: var(--radius-xs);
    margin-top: 2px;
    position: relative;
    cursor: pointer;
    transition: var(--transition-fast);
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.toast-container {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.toast {
    background: var(--white);
    border-left: 5px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    padding: 15px 25px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 15px;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    min-width: 300px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-icon {
    font-size: 20px;
    display: flex;
    align-items: center;
}

.toast-icon img {
    width: 24px;
    height: 24px;
}

.toast-content h4 {
    margin: 0;
    font-size: 14px;
    color: var(--dark-text);
}

.toast-content p {
    margin: 0;
    font-size: 12px;
    color: var(--gray-text);
}

header {
    background: var(--white);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: background-color 0.3s ease, padding 0.3s ease;
}

header.scrolled {
    padding: 8px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 0 10px;
    margin: -8px -15px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.logo-only {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
    cursor: pointer;
}

.logo-img-wrapper {
    display: flex;
    align-items: center;
}

.logo-img-wrapper img {
    height: 48px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    display: block;
}

@media (max-width: 992px) {
    .logo-sq {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }

    .logo {
        margin: -5px -15px;
    }
}

@media (max-width: 480px) {
    .logo {
        gap: 0;
    }
}

.ai-highlight {
    background: linear-gradient(135deg, #005063 0%, #dca243 50%, #007c99 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 800;
    position: relative;
    display: inline-block;
    animation: gradientShift 3s ease infinite;
}

.ai-highlight::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #dca243, #007c99, transparent);
    background-size: 200% 100%;
    animation: shimmer 2s linear infinite;
}

.ai-highlight::after {
    content: '✨';
    position: absolute;
    top: -15px;
    right: -20px;
    font-size: 16px;
    animation: sparkle 1.5s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes sparkle {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

nav ul {
    display: flex;
    list-style: none;
    gap: 5px;
}

.nav-link-btn {
    background: transparent;
    border: 2px solid transparent;
    color: var(--dark-text);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.nav-link-btn:hover {
    color: var(--primary-color);
    background: var(--gray-light);
}

.nav-link-btn.active {
    background: var(--primary-color);
    color: var(--white);
}

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

.currency-selector {
    background: var(--gray-light);
    border: none;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    color: var(--dark-text);
    cursor: pointer;
    transition: var(--transition);
    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='%23005063' 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 10px center;
    background-size: 14px;
    padding-right: 30px;
}

.currency-selector:hover {
    background-color: var(--card-bg);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    width: 32px;
    z-index: 1001;
}

.burger span {
    display: block;
    height: 3px;
    background: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition);
    width: 100%;
}

.burger.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.burger.active span:nth-child(2) {
    opacity: 0;
}

.burger.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    padding: 40px 20px;
}

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

.mobile-nav-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-nav-close img {
    filter: none;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 300px;
}

.mobile-nav-links button {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color);
    background: none;
    border: none;
    padding: 15px;
    text-align: center;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.mobile-nav-links button:hover {
    background: var(--gray-light);
}

.mobile-login-btn {
    color: var(--accent-color) !important;
}

@keyframes pageFadeIn {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.page {
    display: none;
    padding: 60px 0 100px;
    flex: 1;
}

.page.active {
    display: block;
    animation: pageFadeIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

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

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    align-items: center;
}

.hero-banner {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 60px;
    position: relative;
}

.hero-banner h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.hero-banner h1 span {
    color: var(--accent-color);
    position: relative;
    display: inline-block;
}

.hero-banner h1 span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 8px;
    background: var(--accent-color);
    opacity: 0.3;
    z-index: -1;
    border-radius: 4px;
}

.hero-banner p {
    font-size: 21px;
    opacity: 0.8;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.stats-bar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    display: flex;
    justify-content: space-around;
    text-align: center;
    margin-top: 60px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.stats-bar:hover {
    box-shadow: var(--shadow-md);
}

.stat-item h3 {
    font-size: 36px;
    color: var(--accent-color);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 14px;
    font-weight: 600;
    opacity: 0.7;
}

.about-methodology {
    margin-top: 40px;
}

.about-heading {
    font-size: 28px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about-methodology p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--dark-text);
}

.methodology-card {
    background: var(--card-bg);
    border: none;
}

.methodology-card h4 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 20px;
}

.methodology-list {
    list-style: none;
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 15px;
}

.methodology-list li {
    position: relative;
    padding-left: 30px;
}

.methodology-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    width: 20px;
    height: 20px;
    background: url('../assets/icons/check.svg') no-repeat center;
    background-size: contain;
}

.team-section {
    margin-top: 120px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.team-card {
    text-align: center;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    border: 1px solid var(--gray-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.avatar-placeholder {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--card-bg), var(--gray-light));
    color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.team-card:hover .avatar-placeholder {
    transform: scale(1.1) rotate(5deg);
    background: var(--primary-color);
    color: var(--white);
}

.team-role {
    color: var(--accent-color);
    font-weight: 800;
    font-size: 13px;
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.team-desc {
    font-size: 14px;
    opacity: 0.7;
    margin-top: 15px;
}

.filter-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--white);
    border: 2px solid var(--gray-light);
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 700;
    cursor: pointer;
    color: var(--gray-text);
    transition: var(--transition);
    font-size: 15px;
}

.filter-btn.active, .filter-btn:hover {
    border-color: var(--primary-color);
    color: var(--white);
    background: var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 80, 99, 0.2);
}

.course-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.course-card h3 {
    font-size: 20px;
    margin-bottom: 10px;
}

.course-price {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-color);
    margin: 25px 0 20px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--gray-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    color: var(--dark-text);
}

.page-btn.active, .page-btn:hover:not(:disabled) {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pricing-toggle-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
    background: var(--white);
    padding: 15px 30px;
    border-radius: 50px;
    width: fit-content;
    margin-inline: auto;
    box-shadow: var(--shadow-sm);
}

.pricing-toggle-wrap span {
    font-weight: 700;
    font-size: 16px;
}

#label-monthly {
    color: var(--primary-color);
}

#label-annually {
    opacity: 0.5;
}

.toggle-switch {
    width: 64px;
    height: 32px;
    background: var(--gray-light);
    border-radius: 30px;
    position: relative;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-switch.active {
    background: var(--primary-color);
}

.toggle-circle {
    width: 26px;
    height: 26px;
    background: var(--white);
    border-radius: 50%;
    position: absolute;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.toggle-switch.active .toggle-circle {
    left: 35px;
}

.discount-badge {
    background: var(--accent-color);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
    margin-left: 8px;
    box-shadow: var(--shadow-accent);
}

.pricing-grid {
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    padding: 50px 40px;
}

.pricing-card h3 {
    font-size: 24px;
}

.pricing-desc {
    font-size: 14px;
    opacity: 0.6;
    margin-top: 5px;
}

.pricing-card.popular {
    border-color: var(--accent-color);
    border-width: 2px;
    transform: scale(1.05);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    z-index: 2;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-card.popular h3 {
    color: var(--accent-color);
}

.popular-label {
    position: absolute;
    top: 25px;
    right: -40px;
    background: var(--accent-color);
    color: white;
    font-size: 12px;
    font-weight: 800;
    padding: 8px 45px;
    transform: rotate(45deg);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.price-display {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
    margin: 25px 0;
    display: flex;
    align-items: baseline;
    gap: 5px;
}

.price-display span {
    font-size: 16px;
    opacity: 0.6;
    font-weight: 600;
}

.pricing-features {
    list-style: none;
    margin-bottom: 40px;
    flex: 1;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-light);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.pricing-features li::before {
    content: '✦';
    color: var(--accent-color);
    font-size: 18px;
}

.search-wrap {
    max-width: 700px;
    margin: 0 auto 60px;
    position: relative;
}

.search-wrap input {
    padding-right: 120px;
    height: 60px;
    border-radius: 30px;
    font-size: 18px;
}

.search-wrap .btn {
    position: absolute;
    right: 8px;
    top: 8px;
    height: 44px;
    border-radius: 22px;
    padding: 0 25px;
    gap: 8px;
}

.search-wrap .btn img {
    width: 18px;
    height: 18px;
    filter: brightness(0) invert(1);
}

.kb-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.kb-card {
    display: flex;
    gap: 25px;
    background: var(--white);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-light);
    transition: var(--transition);
}

.kb-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.kb-icon {
    width: 60px;
    height: 60px;
    background: var(--card-bg);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition);
}

.kb-icon img {
    width: 32px;
    height: 32px;
}

.kb-card:hover .kb-icon {
    background: var(--primary-color);
}

.kb-card:hover .kb-icon img {
    filter: brightness(0) invert(1);
}

.faq-wrapper {
    max-width: 800px;
    margin: 80px auto 0;
}

.faq-item {
    background: var(--white);
    margin-bottom: 15px;
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-light);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-header {
    padding: 25px 30px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary-color);
    user-select: none;
}

.faq-header span {
    font-size: 24px;
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-content {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.4s ease;
    font-size: 15px;
    line-height: 1.7;
    color: var(--dark-text);
}

.faq-item.active .faq-content {
    max-height: 300px;
    padding: 0 30px 30px;
    opacity: 1;
}

.faq-item.active .faq-header span {
    transform: rotate(45deg);
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 26, 30, 0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal-card {
    background: var(--bg-color);
    width: 90%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    transform: translateY(30px) scale(0.95);
    transition: var(--transition);
    position: relative;
}

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

.modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gray-text);
    transition: var(--transition-fast);
}

.modal-close:hover {
    opacity: 0.7;
    transform: rotate(90deg);
}

.modal-close img {
    filter: none;
}

.modal-card h2 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.modal-subtitle {
    color: var(--gray-text);
    margin-bottom: 25px;
}

.payment-methods {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.btn-payment {
    justify-content: flex-start;
    padding: 16px 20px;
    gap: 15px;
}

.btn-payment img {
    width: 24px;
    height: 24px;
}

.modal-divider {
    margin: 15px 0;
    border: none;
    border-top: 1px solid var(--gray-light);
}

.cookie-banner {
    position: fixed;
    bottom: 30px;
    left: 30px;
    max-width: 450px;
    background: var(--white);
    padding: 25px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-light);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 15px;
    transform: translateY(150%);
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-banner h4 {
    color: var(--primary-color);
    font-size: 16px;
    margin-bottom: 8px;
}

.cookie-banner p {
    font-size: 13px;
    opacity: 0.8;
    line-height: 1.5;
}

.cookie-actions {
    display: flex;
    gap: 12px;
    margin-top: 10px;
}

.cookie-actions .btn {
    flex: 1;
}

footer {
    background: var(--primary-dark);
    color: white;
    padding: 80px 0 30px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 50px;
}

.footer-logo h2 {
    color: var(--accent-color);
    font-size: 32px;
    margin-bottom: 20px;
}

.footer-logo p {
    opacity: 0.7;
    font-size: 15px;
    line-height: 1.8;
    max-width: 350px;
}

.footer-col h4 {
    font-size: 16px;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--white);
}

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

.footer-nav button, .footer-nav a {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    text-align: left;
    cursor: pointer;
    font-size: 15px;
    transition: var(--transition-fast);
    text-decoration: none;
    width: fit-content;
}

.footer-nav button:hover, .footer-nav a:hover {
    color: var(--accent-color);
    transform: translateX(8px);
}

.footer-contact-text {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 15px;
}

.tg-footer-btn {
    background: var(--tg-color);
    color: white;
    padding: 14px 28px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-weight: 700;
    font-size: 15px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(36, 161, 222, 0.2);
}

.tg-footer-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(36, 161, 222, 0.4);
    color: white;
}

.tg-footer-btn img {
    width: 20px;
    height: 20px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    font-size: 14px;
    opacity: 0.6;
}

.footer-badges {
    display: flex;
    align-items: center;
    gap: 20px;
}

.age-badge {
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 800;
    font-size: 12px;
}

@media (max-width: 1200px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .hero-banner h1 {
        font-size: 48px;
    }

    .kb-grid {
        grid-template-columns: 1fr;
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .pricing-card.popular {
        transform: scale(1);
        border-width: 1px;
        z-index: 1;
    }

    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }

    .pricing-grid {
        max-width: 500px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .footer-nav {
        align-items: flex-start;
    }

    .footer-logo p {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    header nav {
        display: none;
    }

    .desktop-only {
        display: none;
    }

    .burger {
        display: flex;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .stats-bar {
        flex-direction: column;
        gap: 30px;
        padding: 30px;
    }

    .hero-banner h1 {
        font-size: 36px;
    }

    .hero-banner p {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .container {
        width: 92%;
    }

    .card {
        padding: 30px;
    }

    .pricing-card {
        padding: 40px 30px;
    }

    .price-display {
        font-size: 40px;
    }

    .faq-header {
        padding: 20px;
        font-size: 16px;
    }

    .modal-card {
        padding: 30px 25px;
    }

    .cookie-banner {
        left: 20px;
        right: 20px;
        bottom: 20px;
        max-width: none;
    }

    .toast-container {
        bottom: 20px;
        right: 20px;
        left: 20px;
    }

    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .hero-banner h1 {
        font-size: 30px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .filter-btn {
        width: 100%;
    }

    .pricing-toggle-wrap {
        flex-wrap: wrap;
        width: 100%;
    }

    .pricing-features li {
        font-size: 14px;
    }

    .search-wrap .btn {
        position: static;
        width: 100%;
        margin-top: 10px;
        height: 50px;
    }

    .search-wrap input {
        padding-right: 15px;
    }

    .footer-logo h2 {
        font-size: 28px;
    }
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.school-filters {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 30px;
    margin-bottom: 40px;
}

.school-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.school-type-badge {
    display: inline-block;
    font-size: 12px;
    padding: 4px 12px;
    background: var(--card-bg);
    color: var(--primary-color);
    border-radius: 50px;
    margin-bottom: 15px;
    font-weight: 700;
    width: fit-content;
}

.school-address {
    font-size: 14px;
    color: var(--gray-text);
    margin: 8px 0 20px;
    flex-grow: 1;
}

.school-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-text);
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-light);
}

#selected-school-badge {
    background: var(--success);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    display: none;
    margin-bottom: 30px;
    text-align: center;
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.payment-methods {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin: 20px 0;
}

.btn-payment {
    flex: 1;
    min-width: 100px;
    justify-content: center;
    padding: 12px 16px;
    font-size: 14px;
}

.btn-payment.active {
    border-color: var(--primary-color);
    background: rgba(0, 80, 99, 0.05);
    color: var(--primary-color);
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .school-filters {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .payment-methods {
        flex-direction: column;
    }

    .btn-payment {
        width: 100%;
    }
}

.toast {
    background: var(--white);
    border-left: 5px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    padding: 15px 25px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 15px;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    min-width: 300px;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}


.privacy-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.privacy-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
}

.privacy-card h3 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-size: 1.2rem;
    color: #0f172a;
}

.privacy-card h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
    color: #334155;
}

.privacy-card p, .privacy-card li, .privacy-card td {
    font-size: 0.95rem;
    line-height: 1.65;
    color: #475569;
    margin-bottom: 0.4rem;
}

.privacy-card ol, .privacy-card ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-card a {
    color: var(--primary);
    text-decoration: none;
    border-bottom: 1px dashed currentColor;
}

.privacy-card a:hover {
    color: #3730a3;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    background: #f8fafc;
    border-radius: 8px;
    overflow: hidden;
    font-size: 0.9rem;
}

.data-table th, .data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}

.data-table th {
    background: #f1f5f9;
    font-weight: 600;
    color: #0f172a;
}

.table-responsive {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.page {
    display: none;
}

.page.active {
    display: block;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex !important;
}

.modal-card {
    background: #fff;
    border-radius: 16px;
    padding: 2rem;
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

@media (max-width: 768px) {
    .modal-overlay {
        padding: 0;
    }

    .modal-card {
        max-width: 100%;
        height: 100%;
        max-height: 100vh;
        border-radius: 0;
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr !important;
    }
}

.selector-control {
    appearance: none;
    -webkit-appearance: none;
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    background: #fff;
    color: inherit;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 0.85rem;
    cursor: pointer;
}

.selector-control:hover {
    border-color: #94a3b8;
}

#selected-school-badge {
    display: none;
    padding: 0.3rem 0.8rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.school-empty-state {
    grid-column: 1/-1;
    text-align: center;
    padding: 3rem 1rem;
    background: #f8fafc;
    border-radius: 12px;
    display: none;
}

.privacy-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.privacy-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    margin-bottom: 2rem;
}

.privacy-card h3 {
    margin: 2rem 0 1rem;
    font-size: 1.25rem;
}

.privacy-card h4 {
    margin: 1.5rem 0 0.75rem;
    font-size: 1.05rem;
}

.privacy-card p, .privacy-card li {
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0.4rem;
}

.privacy-card ol, .privacy-card ul {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

.privacy-card a {
    color: inherit;
    text-decoration: underline;
}

.table-responsive {
    overflow-x: auto;
    margin: 1.5rem 0;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: #f8fafc;
    border-radius: 8px;
    overflow: hidden;
    font-size: 0.9rem;
}

.data-table th, .data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #e2e8f0;
    vertical-align: top;
}

.data-table th {
    background: #f1f5f9;
    font-weight: 600;
}

.toggle-switch {
    width: 40px;
    height: 20px;
    background: #cbd5e1;
    border-radius: 99px;
    cursor: pointer;
    position: relative;
}

.toggle-switch .toggle-circle {
    width: 16px;
    height: 16px;
    background: #fff;
    border-radius: 50%;
    position: absolute;
    top: 2px;
    left: 2px;
    transition: 0.2s;
}

.toggle-switch.active .toggle-circle {
    transform: translateX(20px);
    background: #10b981;
}