.subjects-page {
    background: #fff;
}

.subjects-page .navbar {
    background: rgba(255, 255, 255, 0.97);
}

.subjects-hero {
    position: relative;
    min-height: 760px;
    padding: 150px 0 92px;
    color: #fff;
    background:
        radial-gradient(circle at 88% 22%, rgba(197, 160, 89, 0.22), transparent 24%),
        radial-gradient(circle at 62% 88%, rgba(75, 113, 155, 0.2), transparent 30%),
        linear-gradient(125deg, #0d1b2e 0%, #162b48 57%, #1f3a5b 100%);
    overflow: hidden;
}

.subjects-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.07;
    background-image:
        linear-gradient(rgba(255,255,255,.55) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.55) 1px, transparent 1px);
    background-size: 72px 72px;
    mask-image: linear-gradient(90deg, #000, transparent 76%);
}

.subjects-orbit {
    position: absolute;
    border: 1px solid rgba(197, 160, 89, 0.2);
    border-radius: 50%;
}

.subjects-orbit-one {
    width: 560px;
    height: 560px;
    top: 45px;
    right: -190px;
}

.subjects-orbit-two {
    width: 330px;
    height: 330px;
    right: -74px;
    bottom: -132px;
}

.subjects-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(330px, .68fr);
    align-items: center;
    gap: 90px;
}

.subjects-hero-copy {
    max-width: 760px;
}

.subjects-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    color: var(--accent-light);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.subjects-eyebrow::before {
    content: "";
    width: 36px;
    height: 1px;
    background: currentColor;
}

.subjects-hero h1 {
    max-width: 720px;
    margin-bottom: 26px;
    color: #fff;
    font-size: clamp(3.1rem, 5.5vw, 5.15rem);
    line-height: 1.03;
    letter-spacing: -.04em;
}

.subjects-hero h1 span {
    color: var(--accent-light);
}

.subjects-hero-copy > p {
    max-width: 680px;
    color: rgba(255,255,255,.74);
    font-size: 1.08rem;
    line-height: 1.8;
}

.subjects-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 34px;
}

.subjects-hero .btn-outline {
    border-color: rgba(255,255,255,.44);
}

.subjects-trust-list {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 28px;
    margin-top: 36px;
}

.subjects-trust-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.66);
    font-size: .82rem;
}

.subjects-trust-list svg,
.price-card li svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: var(--accent-light);
    stroke-width: 2;
}

.hero-level-card {
    padding: 38px;
    color: var(--text-dark);
    background: rgba(255,255,255,.98);
    border: 1px solid rgba(197,160,89,.45);
    border-radius: 18px;
    box-shadow: 0 30px 70px rgba(3,10,22,.28);
}

.card-kicker {
    margin-bottom: 7px;
    color: var(--accent-dark);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
}

.hero-level-card h2 {
    margin-bottom: 26px;
    color: #14233b;
    font-size: 1.8rem;
    line-height: 1.25;
}

.hero-level-card > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 0;
    border-top: 1px solid #e5e9ee;
}

.hero-level-card > a:hover {
    padding-left: 8px;
}

.hero-level-card a span {
    display: flex;
    flex-direction: column;
}

.hero-level-card strong {
    color: #1c304d;
    font-family: "Playfair Display", Georgia, serif;
    font-size: 1.08rem;
}

.hero-level-card small {
    margin-top: 3px;
    color: var(--text-light);
    font-size: .75rem;
}

.hero-level-card b {
    color: #d8dde5;
    font-family: "Playfair Display", Georgia, serif;
    font-size: 1.45rem;
}

.subject-explorer {
    padding: 116px 0 120px;
    background:
        radial-gradient(circle at 0 0, rgba(197,160,89,.09), transparent 18%),
        #f7f8fa;
}

.subject-intro,
.pricing-heading {
    display: grid;
    grid-template-columns: 1fr .75fr;
    align-items: end;
    gap: 80px;
}

.subject-intro h2,
.pricing-heading h2,
.included-copy h2 {
    color: #14233b;
    font-size: clamp(2.45rem, 4vw, 3.35rem);
    line-height: 1.15;
}

.subject-intro > p,
.pricing-heading > p,
.included-copy > p {
    color: var(--text-medium);
    line-height: 1.8;
}

.level-jump {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 54px 0 88px;
}

.level-jump a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 19px 22px;
    color: #203653;
    background: #fff;
    border: 1px solid #e0e5eb;
    border-radius: 10px;
    font-weight: 700;
    box-shadow: 0 7px 18px rgba(31,44,64,.035);
}

.level-jump a:hover {
    color: #fff;
    background: #172b48;
    border-color: #172b48;
    transform: translateY(-3px);
    box-shadow: 0 12px 24px rgba(20,35,59,.15);
}

.level-jump span {
    color: var(--text-light);
    font-size: .7rem;
    font-weight: 600;
}

.level-jump a:hover span {
    color: rgba(255,255,255,.65);
}

.subject-level {
    scroll-margin-top: 110px;
}

.subject-level + .subject-level {
    margin-top: 110px;
    padding-top: 92px;
    border-top: 1px solid #dfe4ea;
}

.level-heading {
    display: grid;
    grid-template-columns: 72px 1fr auto;
    align-items: center;
    gap: 20px;
    margin-bottom: 34px;
}

.level-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    color: var(--accent-dark);
    background: #fff;
    border: 1px solid rgba(197,160,89,.48);
    border-radius: 50%;
    font-family: "Playfair Display", Georgia, serif;
    font-weight: 700;
    box-shadow: 0 7px 18px rgba(31,44,64,.07);
}

.level-heading p {
    margin-bottom: 2px;
    color: var(--accent-dark);
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.level-heading h3 {
    color: #172b48;
    font-size: 2rem;
}

.level-heading > a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-dark);
    font-size: .82rem;
    font-weight: 700;
}

.level-heading > a:hover {
    gap: 13px;
}

.subject-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.subject-card {
    position: relative;
    display: grid;
    grid-template-columns: 66px 1fr;
    gap: 18px;
    min-height: 154px;
    padding: 28px 26px;
    background: #fff;
    border: 1px solid #e4e7eb;
    border-radius: 13px;
    box-shadow: 0 9px 24px rgba(31,44,64,.045);
    overflow: hidden;
    transition: var(--transition);
}

.subject-card::after {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 3px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.subject-card:hover {
    transform: translateY(-5px);
    border-color: rgba(197,160,89,.42);
    box-shadow: 0 18px 34px rgba(31,44,64,.1);
}

.subject-card:hover::after {
    transform: scaleX(1);
}

.subject-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    color: #9b7835;
    background: #f6f0e4;
    border-radius: 12px;
}

.subject-icon svg {
    width: 30px;
    height: 30px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.subject-icon-biology,
.subject-icon-combined {
    color: #42765d;
    background: #e9f3ed;
}

.subject-icon-chemistry {
    color: #7662a0;
    background: #f0ecf7;
}

.subject-icon-physics {
    color: #3e7193;
    background: #e9f2f7;
}

.subject-icon-literature,
.subject-icon-language {
    color: #985d5d;
    background: #f7eceb;
}

.subject-icon-business,
.subject-icon-economics {
    color: #8b6b30;
    background: #f5f0e5;
}

.subject-card h4 {
    margin: 1px 0 7px;
    color: #172b48;
    font-size: 1.18rem;
}

.subject-card p {
    color: var(--text-medium);
    font-size: .79rem;
    line-height: 1.58;
}

.subject-card > span {
    position: absolute;
    top: 15px;
    right: 16px;
    color: #dfe3e8;
    font-size: .58rem;
    font-weight: 700;
    letter-spacing: .12em;
}

.pricing-section {
    position: relative;
    padding: 120px 0;
    background: #fff;
}

.pricing-heading {
    margin-bottom: 60px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: stretch;
}

.price-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 530px;
    padding: 36px 34px;
    background: #fff;
    border: 1px solid #dfe4ea;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(31,44,64,.06);
    transition: var(--transition);
}

.price-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 44px rgba(31,44,64,.11);
}

.price-card-featured {
    color: #fff;
    background:
        radial-gradient(circle at 95% 5%, rgba(197,160,89,.2), transparent 24%),
        #172b48;
    border-color: #172b48;
    box-shadow: 0 22px 50px rgba(20,35,59,.18);
}

.popular-label {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 6px 10px;
    color: #fff;
    background: rgba(197,160,89,.9);
    border-radius: 99px;
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.price-card-top {
    padding-bottom: 24px;
    border-bottom: 1px solid #e2e6eb;
}

.price-card-featured .price-card-top {
    border-color: rgba(255,255,255,.13);
}

.price-card-top p {
    color: #172b48;
    font-family: "Playfair Display", Georgia, serif;
    font-size: 1.55rem;
    font-weight: 600;
}

.price-card-featured .price-card-top p {
    color: #fff;
}

.price-card-top span {
    color: var(--text-light);
    font-size: .72rem;
}

.price-card-featured .price-card-top span {
    color: rgba(255,255,255,.52);
}

.price {
    display: flex;
    align-items: flex-start;
    margin: 27px 0 12px;
    color: #172b48;
}

.price-card-featured .price {
    color: #fff;
}

.price sup {
    margin: 10px 4px 0 0;
    font-size: 1.1rem;
    font-weight: 700;
}

.price strong {
    font-family: "Playfair Display", Georgia, serif;
    font-size: 4.1rem;
    line-height: 1;
}

.price span {
    align-self: flex-end;
    margin: 0 0 8px 7px;
    color: var(--text-light);
    font-size: .78rem;
}

.price-card-featured .price span {
    color: rgba(255,255,255,.52);
}

.price-summary {
    min-height: 70px;
    color: var(--text-medium);
    font-size: .86rem;
    line-height: 1.65;
}

.price-card-featured .price-summary {
    color: rgba(255,255,255,.67);
}

.price-card ul {
    display: grid;
    gap: 14px;
    margin: 24px 0 32px;
    padding-top: 24px;
    border-top: 1px solid #e2e6eb;
}

.price-card-featured ul {
    border-color: rgba(255,255,255,.13);
}

.price-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #33465f;
    font-size: .79rem;
}

.price-card-featured li {
    color: rgba(255,255,255,.75);
}

.price-card li svg {
    flex: 0 0 17px;
}

.price-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 20px;
    color: var(--accent-dark);
    border-top: 1px solid #e2e6eb;
    font-size: .83rem;
    font-weight: 700;
}

.price-card-featured .price-link {
    color: var(--accent-light);
    border-color: rgba(255,255,255,.13);
}

.price-link:hover span {
    transform: translateX(5px);
}

.pricing-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
    color: var(--text-light);
    font-size: .78rem;
    text-align: center;
}

.pricing-note svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: var(--accent-dark);
    stroke-width: 1.7;
}

.included-section {
    padding: 118px 0;
    background:
        linear-gradient(90deg, rgba(197,160,89,.07) 1px, transparent 1px),
        linear-gradient(rgba(197,160,89,.07) 1px, transparent 1px),
        #f7f8fa;
    background-size: 64px 64px;
}

.included-grid {
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 110px;
}

.included-copy {
    position: sticky;
    top: 120px;
    align-self: start;
}

.included-copy > p {
    margin: 22px 0 8px;
}

.included-copy .text-link {
    display: inline-flex;
    gap: 8px;
    margin-top: 18px;
}

.feature-item {
    display: grid;
    grid-template-columns: 58px 1fr;
    gap: 22px;
    padding: 27px 0;
    border-bottom: 1px solid #dce2e8;
}

.feature-item:first-child {
    padding-top: 4px;
}

.feature-item > span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    color: #fff;
    background: #172b48;
    border-radius: 50%;
    font-family: "Playfair Display", Georgia, serif;
}

.feature-item h3 {
    margin: 2px 0 7px;
    color: #172b48;
    font-size: 1.2rem;
}

.feature-item p {
    color: var(--text-medium);
    font-size: .87rem;
    line-height: 1.7;
}

.subjects-cta {
    padding: 104px 0;
    background: #fff;
}

.subjects-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 70px;
    padding: 64px 68px;
    background:
        radial-gradient(circle at 92% 12%, rgba(197,160,89,.22), transparent 28%),
        #172b48;
    border-radius: 20px;
    box-shadow: 0 24px 54px rgba(20,35,59,.16);
}

.subjects-cta-inner > div {
    max-width: 700px;
}

.subjects-cta .subjects-eyebrow {
    margin-bottom: 14px;
}

.subjects-cta h2 {
    margin-bottom: 12px;
    color: #fff;
    font-size: clamp(2.1rem, 3.5vw, 3rem);
}

.subjects-cta p {
    color: rgba(255,255,255,.67);
}

.subjects-cta .btn {
    flex: 0 0 auto;
}

.subject-card,
.price-card,
.feature-item {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .55s ease, transform .55s ease, box-shadow .3s ease, border-color .3s ease;
}

.subject-card.visible,
.price-card.visible,
.feature-item.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .subject-card,
    .price-card,
    .feature-item {
        opacity: 1;
        transform: none;
    }
}

@media (max-width: 1100px) {
    .subjects-hero-grid {
        gap: 50px;
    }

    .subject-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .included-grid {
        gap: 70px;
    }
}

@media (max-width: 900px) {
    .subjects-hero {
        min-height: 0;
        padding-bottom: 74px;
    }

    .subjects-hero-grid,
    .subject-intro,
    .pricing-heading,
    .included-grid {
        grid-template-columns: 1fr;
    }

    .subjects-hero-grid {
        gap: 52px;
    }

    .hero-level-card {
        max-width: 640px;
    }

    .subject-intro,
    .pricing-heading {
        gap: 22px;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 680px;
        margin: 0 auto;
    }

    .price-card {
        min-height: 0;
    }

    .price-summary {
        min-height: 0;
    }

    .included-copy {
        position: static;
    }

    .subjects-cta-inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 30px;
    }
}

@media (max-width: 640px) {
    .subjects-hero {
        padding: 118px 0 64px;
    }

    .subjects-hero h1 {
        font-size: 2.72rem;
    }

    .subjects-hero-copy > p {
        font-size: .97rem;
    }

    .subjects-hero-actions {
        flex-direction: column;
    }

    .subjects-hero-actions .btn {
        width: 100%;
    }

    .subjects-trust-list {
        align-items: flex-start;
        flex-direction: column;
        gap: 12px;
    }

    .hero-level-card {
        padding: 28px 24px;
    }

    .subject-explorer,
    .pricing-section,
    .included-section,
    .subjects-cta {
        padding: 82px 0;
    }

    .subject-intro h2,
    .pricing-heading h2,
    .included-copy h2 {
        font-size: 2.2rem;
    }

    .level-jump {
        grid-template-columns: 1fr;
        margin: 40px 0 68px;
    }

    .subject-level + .subject-level {
        margin-top: 78px;
        padding-top: 68px;
    }

    .level-heading {
        grid-template-columns: 58px 1fr;
    }

    .level-number {
        width: 50px;
        height: 50px;
    }

    .level-heading h3 {
        font-size: 1.7rem;
    }

    .level-heading > a {
        grid-column: 1 / -1;
        margin-top: 4px;
    }

    .subject-grid {
        grid-template-columns: 1fr;
    }

    .subject-card {
        min-height: 0;
        padding: 24px 20px;
    }

    .price-card {
        padding: 32px 25px;
    }

    .included-grid {
        gap: 50px;
    }

    .feature-item {
        grid-template-columns: 48px 1fr;
        gap: 16px;
    }

    .feature-item > span {
        width: 43px;
        height: 43px;
    }

    .subjects-cta-inner {
        padding: 44px 26px;
        border-radius: 15px;
    }

    .subjects-cta .btn {
        width: 100%;
    }
}