/*
 * 360aiskills (2026) homepage + /mentor360 (plan10). Tokens from the
 * client-approved mockup. Everything is scoped under .ai3 so the shared
 * header, footer and other pages are untouched. Mobile first.
 */
.ai3 {
    --ai3-navy: #0B1A3A;
    --ai3-navy-2: #16295A;
    --ai3-navy-line: #2A3F78;
    --ai3-accent: #5B3DF5;
    --ai3-accent-hover: #3420A8;
    --ai3-link: #4B32D9;
    --ai3-cyan: #22D3EE;
    --ai3-mint: #5EEAD4;
    --ai3-green: #0E9F6E;
    --ai3-page: #F5F6FB;
    --ai3-border: #E4E7F2;
    --ai3-muted: #4A5578;
    --ai3-soft: #C9D2EC;
    --ai3-tint-1: #E9E4FF;
    --ai3-tint-2: #DDF7FC;
    --ai3-tint-3: #DDF8EC;
    --ai3-tint-4: #FFF1D6;
    --ai3-tint-5: #E4ECFF;
    --ai3-tint-6: #FDE7EF;
    --ai3-heading: 'Sora', 'Inter', system-ui, sans-serif;

    font-family: 'Inter', system-ui, sans-serif;
    color: var(--ai3-navy);
    background: #FFFFFF;
    font-size: 16px;
    line-height: 1.5;
}

.ai3 *, .ai3 *::before, .ai3 *::after { box-sizing: border-box; }
.ai3 h1, .ai3 h2, .ai3 h3, .ai3 p, .ai3 ol, .ai3 ul { margin: 0; }
/* text-transform: the theme capitalises every heading word; the approved copy is sentence case. */
.ai3 h1, .ai3 h2, .ai3 h3 { font-family: var(--ai3-heading); color: inherit; letter-spacing: -0.01em; text-transform: none; }
.ai3 a { color: var(--ai3-link); }
.ai3 a:hover { color: var(--ai3-accent-hover); }
.ai3 img { max-width: 100%; height: auto; display: block; }

.ai3-wrap { max-width: 1240px; margin: 0 auto; padding: 0 16px; }
.ai3-section { padding: 56px 0; }
.ai3-section--tint { background: var(--ai3-page); }
.ai3-section--dark { background: var(--ai3-navy); color: #FFFFFF; }
.ai3-stack { display: flex; flex-direction: column; gap: 28px; }

.ai3-kicker {
    display: block;
    font-size: 13px;
    letter-spacing: 0.12em;
    font-weight: 600;
    color: var(--ai3-link);
    text-transform: uppercase;
}
.ai3-section--dark .ai3-kicker, .ai3-hero .ai3-kicker { color: var(--ai3-mint); }
.ai3-h2 { font-size: 28px; line-height: 1.2; }
.ai3-lead { font-size: 17px; line-height: 1.65; color: var(--ai3-muted); }
.ai3-section--dark .ai3-lead { color: var(--ai3-soft); }
.ai3-head { display: flex; flex-direction: column; gap: 12px; max-width: 760px; }
.ai3-head-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px; }
.ai3-more { font-weight: 600; text-decoration: none; }

/* Buttons */
.ai3-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    padding: 12px 22px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.ai3 .ai3-btn--primary { background: var(--ai3-accent); color: #FFFFFF; }
.ai3 .ai3-btn--primary:hover { background: var(--ai3-accent-hover); color: #FFFFFF; }
.ai3 .ai3-btn--ghost-dark { border-color: var(--ai3-mint); color: #FFFFFF; background: transparent; }
.ai3 .ai3-btn--ghost-dark:hover { background: var(--ai3-navy-2); color: #FFFFFF; }
.ai3 .ai3-btn--outline { border-color: var(--ai3-navy); color: var(--ai3-navy); background: #FFFFFF; }
.ai3 .ai3-btn--outline:hover { background: var(--ai3-navy); color: #FFFFFF; }
.ai3 .ai3-btn--linkedin { background: #0A66C2; color: #FFFFFF; }
.ai3 .ai3-btn--linkedin:hover { background: #084d93; color: #FFFFFF; }
.ai3 .ai3-btn--sm { min-height: 40px; padding: 8px 14px; font-size: 14px; border-radius: 10px; }
.ai3-btn:focus-visible, .ai3 a:focus-visible, .ai3 button:focus-visible { outline: 3px solid var(--ai3-cyan); outline-offset: 2px; }
.ai3-btns { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero */
.ai3-hero { background: var(--ai3-navy); color: #FFFFFF; padding: 48px 0 56px; }
.ai3-hero__grid { display: grid; gap: 40px; align-items: center; }
.ai3-hero__copy { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.ai3-hero__title { font-size: 38px; line-height: 1.08; font-weight: 700; letter-spacing: -0.02em; }
.ai3-hero__tagline { font-family: var(--ai3-heading); font-weight: 600; font-size: 24px; color: var(--ai3-cyan); }
.ai3-hero__desc { font-size: 17px; line-height: 1.6; color: var(--ai3-soft); max-width: 560px; }
.ai3-chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; padding: 0; }
.ai3-chip {
    background: var(--ai3-navy-2);
    border: 1px solid var(--ai3-navy-line);
    color: #E4E9F7;
    font-size: 14px;
    padding: 7px 14px;
    border-radius: 999px;
}
.ai3-hero__visual { display: flex; justify-content: center; min-width: 0; }
.ai3-hero__shot { width: 100%; max-width: 480px; border-radius: 20px; box-shadow: 0 24px 60px rgba(0, 0, 0, .35); }

/* Illustrated Mentor360 chat card (until a real screenshot is uploaded) */
.ai3-chat {
    width: 100%;
    max-width: 460px;
    background: #FFFFFF;
    color: var(--ai3-navy);
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.ai3-chat__top { display: flex; align-items: center; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--ai3-border); }
.ai3-chat__avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--ai3-accent);
    display: flex; align-items: center; justify-content: center;
    flex: 0 0 40px;
}
.ai3-chat__name { font-weight: 600; font-size: 15px; }
.ai3-chat__sub { font-size: 13px; color: var(--ai3-muted); }
.ai3-chat__q, .ai3-chat__a { font-size: 14px; line-height: 1.5; padding: 10px 14px; max-width: 86%; }
.ai3-chat__q { align-self: flex-end; background: #EEF0FA; border-radius: 14px 14px 4px 14px; }
.ai3-chat__a { align-self: flex-start; background: #E9FBF5; border-radius: 14px 14px 14px 4px; }
.ai3-chat__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ai3-chat__chips span { border: 1px solid #D5D9EA; font-size: 13px; padding: 6px 11px; border-radius: 999px; }

/* Grids + cards */
.ai3-grid { display: grid; gap: 18px; grid-template-columns: 1fr; }
.ai3-card {
    background: #FFFFFF;
    border: 1px solid var(--ai3-border);
    border-radius: 16px;
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    min-width: 0;
}
.ai3-card h3 { font-size: 18px; }
.ai3-card p { font-size: 15px; line-height: 1.55; color: var(--ai3-muted); }
.ai3-num {
    width: 44px; height: 44px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-family: var(--ai3-heading); font-weight: 700;
}
.ai3-t1 { background: var(--ai3-tint-1); }
.ai3-t2 { background: var(--ai3-tint-2); }
.ai3-t3 { background: var(--ai3-tint-3); }
.ai3-t4 { background: var(--ai3-tint-4); }
.ai3-t5 { background: var(--ai3-tint-5); }
.ai3-t6 { background: var(--ai3-tint-6); }

/* Categories */
.ai3 .ai3-cat { flex-direction: row; align-items: center; gap: 16px; text-decoration: none; color: var(--ai3-navy); }
.ai3 .ai3-cat:hover { border-color: var(--ai3-accent); color: var(--ai3-navy); }
.ai3-cat__icon {
    flex: 0 0 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; color: var(--ai3-navy);
}
.ai3-cat__name { font-family: var(--ai3-heading); font-weight: 600; font-size: 17px; display: block; }
.ai3-cat__who { font-size: 14px; color: var(--ai3-muted); display: block; }

/* Course cards */
.ai3-course { padding: 0; overflow: hidden; gap: 0; border-radius: 18px; }
.ai3-course__thumb { aspect-ratio: 16 / 9; background: var(--ai3-tint-1); overflow: hidden; }
.ai3-course__thumb img { width: 100%; height: 100%; object-fit: cover; }
.ai3-course__body { padding: 20px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.ai3-course__title { font-size: 19px; line-height: 1.3; }
.ai3-course__title a { color: var(--ai3-navy); text-decoration: none; }
.ai3-course__title a:hover { color: var(--ai3-link); }
.ai3-tags { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; list-style: none; padding: 0; }
.ai3-tag { background: #EEF0FA; padding: 4px 10px; border-radius: 8px; color: var(--ai3-navy); }
.ai3-tag--access { background: #E9FBF5; color: #0B5D46; font-weight: 600; }
.ai3-course__foot { margin-top: auto; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; padding-top: 4px; }
.ai3-course__foot .course-price { margin: 0; }

/* Mentor360 section */
.ai3-split { display: grid; gap: 36px; align-items: center; }
.ai3-split > * { min-width: 0; }
.ai3-avail {
    background: var(--ai3-navy-2);
    border: 1px solid var(--ai3-navy-line);
    border-radius: 14px;
    padding: 16px 18px;
    font-size: 15px;
    line-height: 1.6;
    color: #E4E9F7;
}
.ai3-avail dl { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 8px 0 0; }
.ai3-avail dt { font-weight: 600; }
.ai3-avail dd { margin: 0; color: var(--ai3-soft); }
.ai3-prompts { display: flex; flex-direction: column; gap: 12px; list-style: none; padding: 0; }
.ai3-prompt {
    background: #FFFFFF;
    color: var(--ai3-navy);
    border-radius: 14px;
    padding: 15px 18px;
    font-size: 16px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
}
.ai3-prompts-label { font-size: 14px; font-weight: 600; color: var(--ai3-mint); }

/* Why */
.ai3-benefit { border: 0; border-radius: 18px; padding: 24px; }
.ai3-benefit p { color: #33405F; }

/* Steps */
.ai3-steps { list-style: none; padding: 0; }
.ai3-step__n {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--ai3-navy); color: var(--ai3-mint);
    font-family: var(--ai3-heading); font-weight: 700;
    display: flex; align-items: center; justify-content: center;
}
.ai3-step__title { font-family: var(--ai3-heading); font-weight: 600; font-size: 18px; }

/* Certificate sample */
.ai3-cert {
    border: 2px solid var(--ai3-navy);
    border-radius: 16px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #FFFFFF;
    box-shadow: 0 16px 40px rgba(11, 26, 58, .12);
}
.ai3-cert__label { font-size: 12px; letter-spacing: .14em; font-weight: 600; color: var(--ai3-link); }
.ai3-cert__name { font-family: var(--ai3-heading); font-size: 26px; font-weight: 700; }
.ai3-cert__course { font-family: var(--ai3-heading); font-size: 19px; font-weight: 600; }
.ai3-cert__meta {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px;
    padding-top: 10px; border-top: 1px solid var(--ai3-border);
    font-size: 13px; color: var(--ai3-muted);
}
.ai3-cert__meta strong { color: var(--ai3-navy); display: block; overflow-wrap: anywhere; }

/* Always new */
.ai3-list__head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.ai3-badge { font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; color: var(--ai3-navy); white-space: nowrap; }
.ai3-list { list-style: none; padding: 0; }
.ai3-list li {
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 12px 0; border-top: 1px solid #EEF0F6; font-size: 15px;
}
.ai3-list a { color: var(--ai3-navy); text-decoration: none; font-weight: 500; }
.ai3-list a:hover { color: var(--ai3-link); }
.ai3-list__meta { color: var(--ai3-muted); white-space: nowrap; font-size: 14px; }
.ai3-list form { margin: 0; }
.ai3-list .ai3-notify { white-space: nowrap; }

/* Languages table */
.ai3-table { border: 1px solid var(--ai3-border); border-radius: 18px; overflow: hidden; width: 100%; border-collapse: separate; border-spacing: 0; }
.ai3-table th, .ai3-table td { padding: 14px 18px; text-align: left; font-size: 15px; vertical-align: top; }
.ai3-table thead th { background: var(--ai3-navy); color: #FFFFFF; font-size: 14px; font-weight: 600; }
.ai3-table tbody th { font-weight: 600; }
.ai3-table tbody td { color: var(--ai3-muted); }
.ai3-table tbody tr + tr th, .ai3-table tbody tr + tr td, .ai3-table tbody tr:first-child th, .ai3-table tbody tr:first-child td { border-top: 1px solid var(--ai3-border); }

/* Plans */
.ai3-toggle { display: inline-flex; background: #FFFFFF; border: 1px solid var(--ai3-border); border-radius: 12px; padding: 4px; }
.ai3-toggle button {
    border: 0; cursor: pointer; font: inherit; font-weight: 600; font-size: 14px;
    padding: 10px 18px; border-radius: 9px; min-height: 44px; background: transparent; color: var(--ai3-navy);
}
.ai3-toggle button[aria-pressed="true"] { background: var(--ai3-navy); color: #FFFFFF; }
.ai3-plan { border-radius: 20px; padding: 26px; gap: 14px; }
.ai3-plan--main { border: 2px solid var(--ai3-accent); }
.ai3-plan__badge { align-self: flex-start; background: var(--ai3-tint-1); color: var(--ai3-link); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }
.ai3-plan__name { font-size: 22px; }
.ai3-plan__price { font-family: var(--ai3-heading); font-size: 30px; font-weight: 700; }
.ai3-plan__price span { font-size: 15px; font-weight: 500; color: var(--ai3-muted); font-family: 'Inter', sans-serif; }
.ai3-checks { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.ai3-checks li { display: flex; gap: 10px; font-size: 15px; color: #33405F; }
.ai3-checks svg { flex: 0 0 18px; margin-top: 3px; }
.ai3-plan .ai3-btn { width: 100%; margin-top: 8px; }
.ai3 [hidden] { display: none !important; }

/* App banner */
.ai3-app {
    background: var(--ai3-navy); color: #FFFFFF;
    border-radius: 24px; padding: 36px 24px;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.ai3-app h2 { font-size: 26px; line-height: 1.2; }
.ai3-app p { color: var(--ai3-soft); font-size: 17px; line-height: 1.6; margin-top: 10px; }
.ai3-app .play-badge { margin: 0; }

.ai3-note { font-size: 13px; color: #5B6584; }

/* Tablet */
@media (min-width: 640px) {
    .ai3-grid--2, .ai3-grid--3, .ai3-grid--4, .ai3-grid--5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Desktop */
@media (min-width: 992px) {
    .ai3-wrap { padding: 0 24px; }
    .ai3-section { padding: 88px 0; }
    .ai3-h2 { font-size: 40px; line-height: 1.15; }
    .ai3-lead { font-size: 18px; }
    .ai3-hero { padding: 72px 0 80px; }
    .ai3-hero__grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 48px; }
    .ai3-hero__title { font-size: 58px; }
    .ai3-hero__tagline { font-size: 32px; }
    .ai3-hero__desc { font-size: 19px; }
    .ai3-split { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 48px; }
    .ai3-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .ai3-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .ai3-grid--5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .ai3-app { padding: 56px 48px; border-radius: 28px; }
    .ai3-app h2 { font-size: 36px; }
}

@media (prefers-reduced-motion: reduce) {
    .ai3-btn { transition: none; }
}