section {
    padding: 5rem 0;
    position: relative;
}

.hero-section {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(ellipse at top, rgba(255, 51, 102, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at bottom right, rgba(0, 245, 255, 0.1) 0%, transparent 50%);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -5%;
    right: -3%;
    width: 40%;
    height: 40%;
    background: var(--gradient-main);
    border-radius: 50%;
    opacity: 0.1;
    filter: blur(100px);
    animation: float 8s ease-in-out infinite;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -5%;
    left: -3%;
    width: 35%;
    height: 35%;
    background: var(--gradient-accent);
    border-radius: 50%;
    opacity: 0.08;
    filter: blur(100px);
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, -20px) scale(1.1); }
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

.hero-section p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 2rem 0;
    line-height: 1.8;
}

.table-of-contents {
    background: rgba(26, 26, 46, 0.4);
    border-radius: 24px;
    padding: 3rem;
    margin: 3rem 0;
}

.table-of-contents nav {
    display: block;
    width: 100%;
}

.table-of-contents h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    width: 100%;
    display: block;
}

.table-of-contents .row {
    display: flex;
    align-items: stretch;
}

.table-of-contents .col-md-6 {
    display: flex;
    flex-direction: column;
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
}

.table-of-contents li {
    background: rgba(255, 51, 102, 0.1);
    border-radius: 12px;
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
}

.table-of-contents a {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: var(--light);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.9rem;
    width: 100%;
}

.table-of-contents li:hover {
    background: rgba(255, 51, 102, 0.2);
    transform: translateX(8px);
}

.timeline-item {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 3rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--gradient-main);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.timeline-item::after {
    content: '';
    position: absolute;
    left: 9px;
    top: 20px;
    width: 2px;
    height: calc(100% - 20px);
    background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
}

.timeline-item:last-child::after {
    display: none;
}

.timeline-content {
    background: rgba(26, 26, 46, 0.5);
    padding: 2rem;
    border-radius: 16px;
    border-left: 3px solid var(--primary);
}

.cards-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.cards-grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.feature-list li,
.checklist li,
.highlight-list li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 1rem;
}

.feature-list li::before,
.checklist li::before,
.highlight-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 900;
    font-size: 1.5rem;
}

.highlight-box {
    background: rgba(0, 245, 255, 0.1);
    border-left: 4px solid var(--accent);
    padding: 2rem;
    border-radius: 12px;
    margin: 2rem 0;
}

.highlight-box h4 {
    color: var(--accent);
}

.comparison-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.comparison-table > div,
.comparison-table > article {
    background: rgba(26, 26, 46, 0.5);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 51, 102, 0.2);
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.icon-item {
    background: rgba(255, 51, 102, 0.1);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.icon-item:hover {
    background: rgba(255, 51, 102, 0.2);
    transform: scale(1.05);
}

.numbered-list {
    counter-reset: item;
    list-style: none;
    padding-left: 0;
}

.numbered-list li {
    counter-increment: item;
    position: relative;
    padding-left: 3.5rem;
    margin-bottom: 1.5rem;
}

.numbered-list li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    color: white;
    font-size: 1.25rem;
}

.accordion-item {
    background: rgba(26, 26, 46, 0.5);
    border-radius: 16px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 51, 102, 0.2);
    overflow: hidden;
    transition: all 0.3s ease;
}

.accordion-header {
    padding: 1.5rem 2rem;
    cursor: pointer;
    position: relative;
    margin: 0;
    color: var(--light);
    font-size: 1.25rem;
}

.accordion-header::after {
    content: '+';
    position: absolute;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.accordion-item.active .accordion-header::after {
    transform: translateY(-50%) rotate(45deg);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0 2rem;
}

.accordion-item.active .accordion-body {
    max-height: 1000px;
    padding: 0 2rem 1.5rem;
}

.cta-section {
    background: var(--gradient-main);
    text-align: center;
    padding: 5rem 2rem;
    border-radius: 24px;
    margin: 3rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -2%;
    left: -2%;
    width: 30%;
    height: 30%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    filter: blur(60px);
}

.cta-section h2 {
    color: white;
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

.cta-section .btn-primary {
    background: white;
    color: var(--primary);
}

.cta-section .btn-primary:hover {
    background: var(--light);
    color: var(--secondary);
}

dl {
    margin: 2rem 0;
}

dt {
    font-weight: 700;
    color: var(--accent);
    margin-top: 1.5rem;
    font-size: 1.1rem;
}

dd {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
    color: rgba(248, 249, 250, 0.85);
}

@media (max-width: 767px) {
    section {
        padding: 3rem 0;
    }

    .hero-section {
        min-height: 70vh;
        padding: 2rem 0;
    }

    .cards-grid-2,
    .cards-grid-3,
    .comparison-table {
        grid-template-columns: 1fr;
    }

    .table-of-contents ul {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        padding-left: 2rem;
    }

    .timeline-item::before {
        width: 16px;
        height: 16px;
    }

    .timeline-item::after {
        left: 7px;
    }

    .accordion-header {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
    }

    .accordion-body {
        padding: 0 1.5rem;
    }

    .accordion-item.active .accordion-body {
        padding: 0 1.5rem 1rem;
    }

    .cta-section {
        padding: 3rem 1.5rem;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .cards-grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}