/* Data Science internship — ad landing (extends ML layout tokens) */
.ds-landing {
    --ml-bg: #071018;
    --ml-surface: #0d1a2d;
    --ml-card: #12243d;
    --ml-border: rgba(99, 102, 241, 0.22);
    --ml-cyan: #818cf8;
    --ml-blue: #4f46e5;
    --ml-indigo: #7c3aed;
    --ml-glow: rgba(99, 102, 241, 0.35);
    overflow-x: clip;
}

.ds-landing .ml-header {
    background: rgba(7, 16, 24, 0.94);
    border-bottom-color: rgba(99, 102, 241, 0.15);
}

.ds-landing .ml-header__cta,
.ds-landing .ml-pay-card__btn,
.ds-landing .ml-mobile-bar__btn {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
}

.ds-landing .ml-hero__pill--live {
    background: rgba(16, 185, 129, 0.15);
    color: #6ee7b7;
    border-color: rgba(16, 185, 129, 0.35);
}

.ds-landing .ml-hero__pill--live::before {
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
}

.ds-landing .ml-intro__highlight {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(16, 185, 129, 0.12) 100%);
    border-color: rgba(79, 70, 229, 0.18);
}

.ds-landing .ml-tools {
    background: linear-gradient(135deg, #312e81 0%, #1e3a5f 100%);
}

.ds-about-grid {
    display: grid;
    gap: 1.5rem;
    align-items: start;
}

@media (min-width: 768px) {
    .ds-about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.ds-about-card {
    padding: 1.35rem;
    border-radius: 18px;
    background: #fff;
    border: 1px solid rgba(79, 70, 229, 0.12);
    box-shadow: 0 12px 40px rgba(79, 70, 229, 0.07);
}

.ds-about-card p {
    margin: 0;
    line-height: 1.75;
    color: #475569;
}

.ds-skill-groups {
    display: grid;
    gap: 1.25rem;
    margin-top: 1.5rem;
}

@media (min-width: 720px) {
    .ds-skill-groups {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .ds-skill-groups {
        grid-template-columns: repeat(4, 1fr);
    }
}

.ds-skill-group {
    padding: 1.15rem;
    border-radius: 16px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
}

.ds-skill-group h3 {
    margin: 0 0 0.75rem;
    font-size: 0.95rem;
    font-weight: 800;
    color: #4f46e5;
}

.ds-skill-group ul {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.45rem;
}

.ds-skill-group li {
    font-size: 0.88rem;
    font-weight: 600;
    color: #334155;
}

.ds-skill-group li::before {
    content: "• ";
    color: #10b981;
    font-weight: 800;
}

.ds-projects-grid {
    display: grid;
    gap: 0.85rem;
    margin-top: 1.5rem;
}

@media (min-width: 600px) {
    .ds-projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 900px) {
    .ds-projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ds-project-card {
    padding: 1rem 1.1rem;
    border-radius: 14px;
    background: linear-gradient(145deg, #f8faff 0%, #fff 100%);
    border: 1px solid rgba(99, 102, 241, 0.14);
    font-weight: 700;
    font-size: 0.9rem;
    color: #1e293b;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ds-project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.12);
}

.ds-project-card::before {
    content: "📊 ";
}

.ds-eligibility-grid {
    display: grid;
    gap: 0.65rem;
    margin-top: 1.25rem;
    text-align: left;
}

@media (min-width: 520px) {
    .ds-eligibility-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.ds-eligibility-item {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: #fff;
    border: 1px solid rgba(16, 185, 129, 0.2);
    font-weight: 600;
    color: #334155;
}

.ds-eligibility-item::before {
    content: "✔ ";
    color: #10b981;
    font-weight: 800;
}

.ds-highlights {
    display: grid;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

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

@media (min-width: 900px) {
    .ds-highlights {
        grid-template-columns: repeat(3, 1fr);
    }
}

.ds-highlight {
    padding: 1rem 1.1rem;
    border-radius: 14px;
    background: var(--ml-card);
    border: 1px solid var(--ml-border);
    color: #e2e8f0;
    font-weight: 600;
    font-size: 0.92rem;
}

.ds-highlight::before {
    content: "⭐ ";
}

.ds-final-cta {
    margin-top: 2rem;
    padding: 2rem 1.5rem;
    border-radius: 22px;
    text-align: center;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 45%, #0891b2 100%);
    color: #fff;
    box-shadow: 0 20px 56px rgba(79, 70, 229, 0.3);
}

.ds-final-cta h2 {
    margin: 0 0 0.5rem;
    font-size: clamp(1.35rem, 3.5vw, 1.85rem);
    font-weight: 800;
}

.ds-final-cta p {
    margin: 0 0 1.25rem;
    opacity: 0.95;
    line-height: 1.6;
}

.ds-final-cta .btn-cta {
    display: inline-block;
    padding: 0.9rem 1.75rem;
    font-size: 1rem;
    font-weight: 800;
    color: #312e81;
    background: #fff;
    border: none;
    border-radius: 999px;
    text-decoration: none;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.ds-final-cta .btn-cta:hover {
    transform: translateY(-1px);
}

@media (max-width: 640px) {
    .ds-about-card,
    .ds-project-card,
    .ds-eligibility-item,
    .ds-highlight {
        overflow-wrap: anywhere;
    }

    .ds-final-cta {
        padding: 1.75rem 1rem;
    }

    .ds-final-cta h2 {
        font-size: clamp(1.25rem, 6vw, 1.5rem);
    }
}