@font-face {
    font-family: "Fredoka";
    src: url("../fonts/Fredoka-SemiBold.ttf") format("truetype");
    font-weight: 600;
    font-display: swap;
}
@font-face {
    font-family: "Nunito";
    src: url("../fonts/Nunito-Regular.ttf") format("truetype");
    font-weight: 400;
    font-display: swap;
}
@font-face {
    font-family: "Nunito";
    src: url("../fonts/Nunito-Bold.ttf") format("truetype");
    font-weight: 700;
    font-display: swap;
}

:root {
    --ink: #0F1626;
    --ink-2: #1A2540;
    --paper: #F5F6FA;
    --text: #1A2033;
    --muted: #4A5370;
    --line: #DDE1EC;

    --maths: #C90C0F;
    --maths-dark: #A20A0C;
    --maths-tint: #FDECEA;
    --maths-accent: #F26B1D;

    --primary: #2E7D4F;
    --primary-dark: #22603C;
    --primary-tint: #E7F4EC;

    --school: #1F45A8;
    --school-navy: #0E2347;
    --school-gold: #F5B800;
    --school-tint: #E9EFFC;

    --games: #151515;
    --games-amber: #FF9F1C;
    --games-tint: #FFF1E0;

    --rocks: #C8202A;
    --rocks-charcoal: #3A3F47;

    --radius: 18px;
    --shadow: 0 10px 30px rgba(15, 22, 38, 0.08);
    --font-head: "Fredoka", "Nunito", system-ui, sans-serif;
    --font-body: "Nunito", system-ui, -apple-system, "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.6;
    color: var(--text);
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3 {
    font-family: var(--font-head);
    font-weight: 600;
    line-height: 1.15;
    margin: 0 0 0.5em;
    color: var(--ink);
}

p { margin: 0 0 1em; }

a { color: var(--school); }

.ev-container {
    width: min(1160px, 100% - 40px);
    margin-inline: auto;
}

.ev-skip {
    position: absolute;
    left: -9999px;
    top: 0;
    background: #fff;
    color: var(--ink);
    padding: 10px 16px;
    z-index: 100;
}
.ev-skip:focus { left: 12px; top: 12px; }

:focus-visible {
    outline: 3px solid var(--school-gold);
    outline-offset: 3px;
}

/* Header */
.ev-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(15, 22, 38, 0.94);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.ev-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 68px;
}
.ev-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
    text-decoration: none;
    font-family: var(--font-head);
    font-size: 1.3rem;
}
.ev-brand img { width: 42px; height: 42px; border-radius: 10px; }
.ev-brand strong { color: var(--school-gold); font-weight: 600; }
.ev-nav { display: flex; gap: 6px; }
.ev-nav a {
    color: #E6E9F2;
    background: transparent;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 8px 14px;
    border-radius: 999px;
}
.ev-nav a:hover,
.ev-nav a:focus-visible {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

/* Buttons */
.ev-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 22px;
    border-radius: 999px;
    border: 2px solid transparent;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}
.ev-btn:hover { transform: translateY(-1px); }

.ev-btn--light { background: #fff; color: var(--ink); border-color: #fff; }
.ev-btn--light:hover,
.ev-btn--light:focus-visible { background: var(--school-gold); color: var(--ink); border-color: var(--school-gold); }

.ev-btn--outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }
.ev-btn--outline-light:hover,
.ev-btn--outline-light:focus-visible { background: #fff; color: var(--ink); border-color: #fff; }

.ev-btn--maths { background: var(--maths); color: #fff; }
.ev-btn--maths:hover,
.ev-btn--maths:focus-visible { background: var(--maths-dark); color: #fff; }

.ev-btn--primary { background: var(--primary); color: #fff; }
.ev-btn--primary:hover,
.ev-btn--primary:focus-visible { background: var(--primary-dark); color: #fff; }

.ev-btn--school { background: var(--school-gold); color: var(--school-navy); }
.ev-btn--school:hover,
.ev-btn--school:focus-visible { background: var(--school-navy); color: var(--school-gold); }

.ev-btn--games { background: var(--games); color: var(--games-amber); border-color: var(--games-amber); }
.ev-btn--games:hover,
.ev-btn--games:focus-visible { background: var(--games-amber); color: var(--games); border-color: var(--games-amber); }

/* Hero */
.ev-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    background:
        radial-gradient(700px 520px at 50% 28%, rgba(245, 165, 22, 0.16), transparent 70%),
        radial-gradient(600px 420px at 100% 10%, rgba(163, 32, 30, 0.30), transparent 70%),
        radial-gradient(620px 460px at 0% 10%, rgba(30, 58, 110, 0.55), transparent 70%),
        radial-gradient(560px 420px at 50% 115%, rgba(46, 125, 79, 0.22), transparent 70%),
        var(--ink);
}
.ev-hero__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 48px 0 80px;
}
.ev-hero__logo {
    width: min(500px, 88%);
    margin-bottom: 18px;
    filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.45));
}
.ev-hero__copy { max-width: 760px; }
.ev-eyebrow {
    display: inline-block;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--school-gold);
    margin-bottom: 14px;
}
.ev-hero h1 {
    color: #fff;
    font-size: clamp(2.4rem, 5vw, 3.9rem);
    margin-bottom: 20px;
}
.ev-hero h1 em {
    display: inline-block;
    white-space: nowrap;
    font-style: normal;
    background: linear-gradient(90deg, #FF6B5E, var(--school-gold) 45%, #7FD49B 75%, #7FA4FF);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.ev-hero__lead {
    font-size: 1.2rem;
    color: #D3D8E6;
    max-width: 36em;
    margin: 0 auto 30px;
}
.ev-hero__actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }

.ev-hero__logos {
    list-style: none;
    margin: 56px 0 0;
    padding: 0;
    width: min(760px, 100%);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.ev-hero__tile {
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    padding: 18px;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    transition: transform 0.2s, background-color 0.2s, border-color 0.2s;
}
.ev-hero__tile:hover,
.ev-hero__tile:focus-visible {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
}
.ev-hero__tile--maths:hover { border-color: var(--maths-accent); }
.ev-hero__tile--primary:hover { border-color: #7FD49B; }
.ev-hero__tile--school:hover { border-color: var(--school-gold); }
.ev-hero__tile--games:hover { border-color: var(--games-amber); }
.ev-hero__tile--games img { border-radius: 20%; }

/* Sections */
.ev-section { padding: 88px 0; }
.ev-section--tint { background: var(--paper); }
.ev-section__head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}
.ev-section__head h2 { font-size: clamp(1.9rem, 3.5vw, 2.6rem); }
.ev-section__head p { color: var(--muted); font-size: 1.1rem; margin: 0; }

/* Vault cards */
.ev-vaults {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}
.ev-vault {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 24px;
    padding: 28px;
    background: #fff;
    border: 1px solid var(--line);
    border-top: 6px solid var(--accent, var(--ink));
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    scroll-margin-top: 90px;
}
.ev-vault--maths { --accent: var(--maths); --tint: var(--maths-tint); }
.ev-vault--primary { --accent: var(--primary); --tint: var(--primary-tint); }
.ev-vault--school { --accent: var(--school); --tint: var(--school-tint); }
.ev-vault--games { --accent: var(--games-amber); --tint: var(--games-tint); }

.ev-vault__logo {
    align-self: start;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1;
    padding: 10px;
    border-radius: 16px;
    background: var(--ink);
}
.ev-vault--games .ev-vault__logo { padding: 0; background: none; }
.ev-vault--games .ev-vault__logo img { border-radius: 20%; }

.ev-vault__audience {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 6px;
}
.ev-vault--games .ev-vault__audience { color: #B35F00; }
.ev-vault--school .ev-vault__audience { color: var(--school); }
.ev-vault h3 { font-size: 1.6rem; margin-bottom: 2px; }
.ev-vault__domain {
    font-weight: 700;
    color: var(--muted);
    font-size: 0.95rem;
    margin-bottom: 12px;
}
.ev-vault__body > p:not(.ev-vault__domain) { color: var(--text); }

.ev-ticks {
    list-style: none;
    margin: 0 0 22px;
    padding: 0;
}
.ev-ticks li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 6px;
    color: var(--muted);
}
.ev-ticks li::before {
    content: "";
    position: absolute;
    left: 2px;
    top: 0.45em;
    width: 14px;
    height: 8px;
    border-left: 3px solid var(--accent);
    border-bottom: 3px solid var(--accent);
    transform: rotate(-45deg);
}

/* Extended family */
.ev-also { margin-top: 48px; }
.ev-also__label {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 0 0 18px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}
.ev-also__label::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--line);
}
.ev-also__card {
    display: grid;
    grid-template-columns: 96px 1fr auto;
    gap: 24px;
    align-items: center;
    padding: 20px 26px;
    background: var(--paper);
    border: 1px dashed #C5CBDA;
    border-radius: var(--radius);
}
.ev-also__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 96px;
    height: 96px;
    padding: 6px;
    border-radius: 14px;
    background: #fff;
}
.ev-also__body h3 { font-size: 1.3rem; margin-bottom: 6px; }
.ev-also__domain {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--muted);
    margin-left: 6px;
}
.ev-also__body p { margin: 0; color: var(--muted); font-size: 0.98rem; }

.ev-btn--rocks { background: var(--rocks); color: #fff; white-space: nowrap; }
.ev-btn--rocks:hover,
.ev-btn--rocks:focus-visible { background: var(--rocks-charcoal); color: #fff; }

/* Chooser */
.ev-chooser {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 920px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.ev-choice {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 18px 20px;
    background: #fff;
    color: var(--text);
    text-decoration: none;
    border: 1px solid var(--line);
    border-left: 6px solid var(--accent, var(--ink));
    border-radius: 14px;
    transition: transform 0.15s, box-shadow 0.15s, background-color 0.15s;
}
.ev-choice--maths { --accent: var(--maths); --tint: var(--maths-tint); }
.ev-choice--primary { --accent: var(--primary); --tint: var(--primary-tint); }
.ev-choice--school { --accent: var(--school); --tint: var(--school-tint); }
.ev-choice--games { --accent: var(--games-amber); --tint: var(--games-tint); }
.ev-choice:hover,
.ev-choice:focus-visible {
    background: var(--tint);
    color: var(--text);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.ev-choice img { flex: none; width: 56px; height: 56px; object-fit: contain; }
.ev-choice--games img { border-radius: 20%; }
.ev-choice__text { flex: 1; display: flex; flex-direction: column; }
.ev-choice__need { font-weight: 700; color: var(--ink); line-height: 1.35; }
.ev-choice__go { font-size: 0.92rem; color: var(--muted); }
.ev-choice__arrow { font-size: 1.4rem; color: var(--ink); transition: transform 0.15s; }
.ev-choice:hover .ev-choice__arrow { transform: translateX(4px); }

/* Principles */
.ev-principles {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.ev-principle {
    padding: 26px 24px;
    border-radius: var(--radius);
    background: var(--paper);
}
.ev-principle h3 { font-size: 1.25rem; }
.ev-principle p { color: var(--muted); margin: 0; }
.ev-principle__bar {
    display: block;
    width: 44px;
    height: 6px;
    border-radius: 3px;
    margin-bottom: 18px;
}
.ev-principle__bar--red { background: var(--maths); }
.ev-principle__bar--green { background: var(--primary); }
.ev-principle__bar--gold { background: var(--school-gold); }
.ev-principle__bar--blue { background: var(--school); }

/* Footer */
.ev-footer {
    background: var(--ink);
    color: #C9CEDC;
    padding: 56px 0 28px;
}
.ev-footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.ev-footer__brand { display: flex; align-items: center; gap: 14px; }
.ev-footer__brand img { height: 72px; width: auto; }
.ev-footer__name {
    font-family: var(--font-head);
    font-size: 1.3rem;
    color: #fff;
    margin: 0;
}
.ev-footer__name strong { color: var(--school-gold); font-weight: 600; }
.ev-footer__tag { margin: 0; font-size: 0.92rem; }
.ev-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 24px;
}
.ev-footer__links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}
.ev-footer__links a:hover,
.ev-footer__links a:focus-visible { color: var(--school-gold); text-decoration: underline; }
.ev-footer__also { color: #9AA3B8; font-size: 0.92rem; display: inline-flex; align-items: center; gap: 6px; }
.ev-footer__also a { font-weight: 700; }
.ev-dot { width: 10px; height: 10px; border-radius: 50%; }
.ev-dot--maths { background: var(--maths); }
.ev-dot--primary { background: #4CAF73; }
.ev-dot--school { background: var(--school-gold); }
.ev-dot--games { background: var(--games-amber); }
.ev-footer__legal { padding-top: 20px; font-size: 0.88rem; }
.ev-footer__legal p { margin: 0; }

/* Responsive */
@media (max-width: 1000px) {
    .ev-principles { grid-template-columns: repeat(2, 1fr); }
    .ev-vaults { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
    .ev-hero__inner { padding: 32px 0 64px; }
    .ev-chooser { grid-template-columns: 1fr; }
    .ev-also__card { grid-template-columns: 96px 1fr; }
    .ev-also__card .ev-btn { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 640px) {
    body { font-size: 16px; }
    .ev-nav { display: none; }
    .ev-section { padding: 64px 0; }
    .ev-vault { grid-template-columns: 1fr; padding: 22px; }
    .ev-also__card { grid-template-columns: 1fr; padding: 22px; }
    .ev-also__domain { display: block; margin: 4px 0 0; }
    .ev-vault__logo { width: 120px; }
    .ev-principles { grid-template-columns: 1fr; }
    .ev-hero__logos { grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .ev-hero__tile { padding: 8px; border-radius: 14px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; }
}