/* Machine Learning internship — ad landing page */
.ml-landing {
    --ml-bg: #060d1f;
    --ml-surface: #0c1629;
    --ml-card: #111d35;
    --ml-border: rgba(56, 189, 248, 0.18);
    --ml-cyan: #22d3ee;
    --ml-blue: #3b82f6;
    --ml-indigo: #6366f1;
    --ml-text: #e2e8f0;
    --ml-muted: #94a3b8;
    --ml-glow: rgba(34, 211, 238, 0.35);
    background: #f8fafc;
    color: #0f172a;
    overflow-x: clip;
}

.ml-landing * {
    box-sizing: border-box;
}

.ml-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(6, 13, 31, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(56, 189, 248, 0.12);
}

.ml-header__inner {
    width: min(1140px, calc(100% - 2rem));
    margin-inline: auto;
    padding: 0.85rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.ml-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.05rem;
    color: #fff;
    text-decoration: none;
}

.ml-logo img {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
}

.ml-header__cta {
    padding: 0.55rem 1.15rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ml-header__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(37, 99, 235, 0.45);
}

.ml-hero {
    background: var(--ml-bg);
    padding: 0;
    overflow: hidden;
}

.ml-hero__wrap {
    width: min(1140px, calc(100% - 2rem));
    margin-inline: auto;
    padding: clamp(1.25rem, 3vw, 2rem) 0 clamp(2rem, 5vw, 3rem);
}

.ml-hero__banner {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 20px;
    border: 1px solid var(--ml-border);
    box-shadow:
        0 24px 64px rgba(0, 0, 0, 0.45),
        0 0 80px var(--ml-glow);
}

.ml-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
    justify-content: center;
}

.ml-hero__pill {
    margin: 0;
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 700;
    border-radius: 999px;
    background: rgba(34, 211, 238, 0.12);
    color: var(--ml-cyan);
    border: 1px solid rgba(34, 211, 238, 0.25);
}

.ml-hero__pill--live {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    border-color: rgba(239, 68, 68, 0.35);
}

.ml-hero__pill--live::before {
    content: "";
    display: inline-block;
    width: 0.45rem;
    height: 0.45rem;
    margin-right: 0.35rem;
    border-radius: 50%;
    background: #ef4444;
    box-shadow: 0 0 8px #ef4444;
    vertical-align: middle;
}

.ml-section {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.ml-section--dark {
    background: linear-gradient(180deg, var(--ml-bg) 0%, #0a1228 100%);
    color: var(--ml-text);
}

.ml-section--light {
    background: #fff;
}

.ml-section--soft {
    background: linear-gradient(165deg, #f0f4ff 0%, #fafbff 50%, #fff 100%);
}

.ml-wrap {
    width: min(1140px, calc(100% - 2rem));
    margin-inline: auto;
}

.ml-kicker {
    margin: 0 0 0.5rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--ml-indigo);
}

.ml-section--dark .ml-kicker {
    color: var(--ml-cyan);
}

.ml-title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.6rem, 4vw, 2.35rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.ml-lead {
    margin: 0;
    max-width: 42rem;
    font-size: 1.05rem;
    line-height: 1.65;
    color: var(--ml-muted);
}

.ml-section--dark .ml-lead {
    color: #cbd5e1;
}

.ml-intro-grid {
    display: grid;
    gap: 2rem;
    align-items: center;
}

@media (min-width: 900px) {
    .ml-intro-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.ml-intro__text {
    font-size: 1.02rem;
    line-height: 1.75;
    color: #334155;
}

.ml-intro__highlight {
    padding: 1.35rem;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(34, 211, 238, 0.1) 100%);
    border: 1px solid rgba(99, 102, 241, 0.15);
}

.ml-intro__highlight p {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.5;
    color: #1e293b;
}

.ml-benefits-grid {
    display: grid;
    gap: 1rem;
    margin-top: 1.75rem;
}

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

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

.ml-benefit {
    padding: 1.15rem 1.2rem;
    border-radius: 16px;
    background: var(--ml-card);
    border: 1px solid var(--ml-border);
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.ml-benefit:hover {
    transform: translateY(-2px);
    border-color: rgba(34, 211, 238, 0.4);
}

.ml-benefit__icon {
    font-size: 1.25rem;
    margin-bottom: 0.35rem;
}

.ml-benefit__text {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.45;
    color: #e2e8f0;
}

.ml-curriculum {
    display: grid;
    gap: 1.5rem;
}

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

.ml-curriculum__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.65rem;
}

.ml-curriculum__list li {
    padding: 0.75rem 1rem;
    border-radius: 12px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    font-weight: 600;
    color: #334155;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.ml-curriculum__list li::before {
    content: "→ ";
    color: var(--ml-indigo);
    font-weight: 800;
}

.ml-tools {
    padding: 1.35rem;
    border-radius: 18px;
    background: linear-gradient(135deg, #1e1b4b 0%, #0c4a6e 100%);
    color: #fff;
}

.ml-tools__title {
    margin: 0 0 1rem;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ml-cyan);
}

.ml-tools__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.ml-tools__chip {
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    font-weight: 700;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ml-audience {
    text-align: center;
    max-width: 40rem;
    margin-inline: auto;
}

.ml-audience__box {
    margin-top: 1.5rem;
    padding: 1.75rem;
    border-radius: 20px;
    background: #fff;
    border: 1px solid rgba(99, 102, 241, 0.15);
    box-shadow: 0 16px 48px rgba(79, 70, 229, 0.08);
}

.ml-audience__box p {
    margin: 0;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #475569;
}

.ml-tagline {
    margin: 2rem 0 0;
    text-align: center;
    font-size: clamp(1.2rem, 3vw, 1.65rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #4f46e5 0%, #0891b2 55%, #059669 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ml-enroll {
    scroll-margin-top: 5rem;
}

.ml-enroll-grid {
    display: grid;
    gap: 2rem;
    align-items: start;
}

@media (min-width: 900px) {
    .ml-enroll-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.ml-enroll__points {
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}

.ml-enroll__points li {
    font-size: 0.95rem;
    color: #475569;
}

.ml-enroll__points li::before {
    content: "✓ ";
    color: #16a34a;
    font-weight: 800;
}

.ml-pay-card {
    padding: 1.5rem;
    border-radius: 22px;
    background: linear-gradient(165deg, #fff 0%, #f8faff 100%);
    border: 1px solid rgba(99, 102, 241, 0.2);
    box-shadow:
        0 20px 56px rgba(79, 70, 229, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.8) inset;
    position: sticky;
    top: 5rem;
}

.ml-pay-card__badge {
    display: inline-block;
    margin-bottom: 0.65rem;
    padding: 0.3rem 0.7rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #047857;
    background: #ecfdf5;
    border-radius: 999px;
}

.ml-pay-card__price {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.ml-pay-card__price small {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ml-muted);
}

.ml-pay-card__date {
    margin: 0.35rem 0 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: #0e7490;
}

.ml-pay-card__note {
    margin: 0 0 1rem;
    font-size: 0.88rem;
    color: var(--ml-muted);
    line-height: 1.5;
}

.ml-pay-card__btn {
    width: 100%;
    padding: 0.95rem 1.25rem;
    font-size: 1rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #4f46e5 0%, #2563eb 45%, #06b6d4 100%);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    box-shadow: 0 12px 32px rgba(79, 70, 229, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ml-pay-card__btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 16px 40px rgba(79, 70, 229, 0.45);
}

.ml-pay-card__btn:disabled {
    opacity: 0.7;
    cursor: default;
}

.ml-pay-card__btn--enrolled {
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
    box-shadow: none;
}

.ml-pay-card__secondary {
    display: block;
    margin-top: 0.65rem;
    text-align: center;
    font-size: 0.88rem;
    font-weight: 700;
    color: #4f46e5;
    text-decoration: none;
}

.ml-status {
    min-height: 1.25rem;
    margin: 0 0 0.75rem;
    font-size: 0.88rem;
    font-weight: 600;
}

.ml-status.is-loading { color: #4f46e5; }
.ml-status.is-success { color: #047857; }
.ml-status.is-error { color: #b91c1c; }

.ml-cert-section .home-cert-showcase {
    margin: 0;
    padding: 0;
    overflow-x: clip;
}

.ml-cert-section .home-cert-showcase__grid {
    max-width: none;
}

@media (max-width: 640px) {
    .ml-header__inner {
        width: min(1140px, calc(100% - 1.25rem));
    }

    .ml-header__cta {
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
    }

    .ml-wrap {
        width: min(1140px, calc(100% - 1.25rem));
    }

    .ml-hero__wrap {
        width: min(1140px, calc(100% - 1.25rem));
    }

    .ml-title {
        font-size: clamp(1.35rem, 6.5vw, 1.6rem);
        overflow-wrap: anywhere;
    }

    .ml-lead,
    .ml-intro__text,
    .ml-enroll__points li {
        overflow-wrap: anywhere;
    }

    .ml-pay-card {
        padding: 1.15rem;
    }

    .ml-pay-card__price {
        font-size: 2rem;
    }

    .ml-cert-section .home-cert-showcase {
        padding: 0.85rem 0.35rem 1rem;
        border-radius: 14px;
    }

    .ml-tagline {
        font-size: clamp(1rem, 5vw, 1.2rem);
        padding: 0 0.25rem;
    }
}

.ml-mobile-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom));
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 -8px 32px rgba(15, 23, 42, 0.08);
}

@media (max-width: 899px) {
    .ml-mobile-bar {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
    }

    .ml-landing {
        padding-bottom: 5rem;
    }
}

.ml-mobile-bar__price {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 800;
}

.ml-mobile-bar__price span {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ml-muted);
}

.ml-mobile-bar__btn {
    flex-shrink: 0;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, #4f46e5, #06b6d4);
    border: none;
    border-radius: 12px;
    cursor: pointer;
}

.ml-footer {
    padding: 1.5rem 0 2rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--ml-muted);
    background: #f1f5f9;
}

.ml-footer a {
    color: #4f46e5;
    font-weight: 600;
}