* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

:root {
    --bg: #f7f6f2;
    --text: #182018;
    --muted: #686b65;
    --line: #d9d8d2;
    --accent: #9b7650;
    --dark: #182018;
    --white: #fff
}

html {
    scroll-behavior: smooth
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 0.6
}

a {
    color: inherit;
    text-decoration: none
}

img {
    max-width: 100%
}

button {
    font: inherit
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--bg);
    border-bottom: 1px solid var(--line)
}

.nav-container {
    width: min(1400px, 92%);
    min-height: 90px;
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0
}

.brand img {
    width: 62px;
    height: 62px;
    object-fit: contain
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1
}

.brand-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px
}

.brand-subtitle {
    margin-top: 5px;
    font-size: 9px;
    letter-spacing: 3px;
    color: var(--muted)
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-left: auto
}

.nav-item {
    position: relative
}

.nav-item>a {
    display: block;
    padding: 10px 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: normal;
    transition: opacity .25s
}

.nav-item>a:hover,
.nav-item.active>a {
    opacity: .55
}

.nav-item>a:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 3px;
    width: 0;
    height: 2px;
    background: var(--text);
    transition: width .25s
}

.nav-item>a:hover:after,
.nav-item.active>a:after {
    width: 100%
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px
}

.fee-button,
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    color: #fff;
    font-size: 12px;
    letter-spacing: .8px
}

.fee-button {
    min-height: 42px;
    padding: 0 22px
}

/* =========================================================
   HAMBURGER BUTTON
   Hidden on desktop. Visible only in mobile/tablet view.
========================================================= */

.menu-button {
    display: none;

    width: 44px;
    height: 44px;

    padding: 0;
    margin: 0;

    border: 1px solid var(--dark);
    border-radius: 4px;

    background: var(--dark);

    cursor: pointer;

    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;

    position: relative;
    z-index: 1002;

    appearance: none;
    -webkit-appearance: none;
}

.menu-button span {
    display: block;

    width: 23px;
    height: 2px;

    margin: 0;

    background: #ffffff;

    border-radius: 2px;

    transition: transform .3s ease, opacity .3s ease;
}

.menu-button.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-button.active span:nth-child(2) {
    opacity: 0;
}

.menu-button.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
    display: none
}

.mobile-nav.open {
    display: flex
}

.section {
    width: min(1200px, 90%);
    margin: auto;
    padding: 110px 0
}

.section-label {
    display: inline-block;
    margin-bottom: 28px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    color: var(--muted)
}

p {
    color: var(--muted)
}

.about-hero {
    position: relative;
    min-height: 62vh;
    padding: 100px 8% 90px;
    display: flex;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background-image:
        linear-gradient(rgba(0, 0, 0, .45), rgba(0, 0, 0, .45)),
        url("../Assets/Images/School infra.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat
}

.about-hero:after {
    content: "GBPS";
    position: absolute;
    right: -25px;
    bottom: -90px;
    font-size: clamp(150px, 25vw, 380px);
    font-weight: 700;
    line-height: 1;
    color: rgba(24, 32, 24, .035);
    pointer-events: none
}

.about-hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px
}

.eyebrow {
    margin-bottom: 25px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 3px;
    color: #fff
}

.about-hero h1 {
    font-size: clamp(60px, 9vw, 125px);
    font-weight: 500;
    line-height: .9;
    letter-spacing: -5px;
    color: #fff
}

.about-hero h1 em,
.section-heading h2 em,
.philosophy-title h2 em,
.curriculum-title h2 em,
.about-cta h2 em {
    color: var(--accent);
    font-family: Georgia, "Times New Roman", serif;
    font-weight: 400
}

.hero-description {
    max-width: 520px;
    margin-top: 35px;
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .9)
}

.hero-number {
    position: absolute;
    right: 8%;
    top: 50%;
    font-size: 13px;
    letter-spacing: 2px;
    color: var(--muted)
}

.about-grid,
.philosophy-grid,
.curriculum-grid {
    display: grid;
    grid-template-columns: 42% 58%;
    gap: 70px
}

.section-heading h2 {
    max-width: 470px;
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 500;
    line-height: 1.02;
    letter-spacing: -2px
}

.vertical-line {
    display: block;
    width: 1px;
    height: 80px;
    margin-top: 45px;
    background: var(--line)
}

.about-copy {
    padding-top: 8px
}

.about-copy p,
.philosophy-copy p,
.curriculum-copy p {
    max-width: 720px;
    margin-right: 71px;
    margin-bottom: 25px;
    font-size: 17px;
    line-height: 1.9
}

.about-copy strong {
    color: var(--text)
}

.highlights {
    background: var(--dark);
    color: #fff
}

.highlight-grid {
    width: min(1200px, 90%);
    margin: auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr)
}

.highlight-card {
    min-height: 280px;
    padding: 40px 30px;
    border-right: 1px solid rgba(255, 255, 255, .16)
}

.highlight-card:last-child {
    border-right: 0
}

.highlight-card>span {
    display: block;
    margin-bottom: 45px;
    font-size: 11px;
    letter-spacing: 2px;
    opacity: .5
}

.highlight-card h3 {
    margin-bottom: 15px;
    font-size: 25px;
    font-weight: 500
}

.highlight-card p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .62)
}

.philosophy {
    border-bottom: 1px solid var(--line)
}

.philosophy-title,
.curriculum-title {
    position: relative
}

.large-number {
    display: block;
    margin-bottom: 20px;
    font-size: 12px;
    letter-spacing: 2px;
    color: var(--muted)
}

.philosophy-title h2,
.curriculum-title h2 {
    font-size: clamp(50px, 6vw, 85px);
    font-weight: 500;
    line-height: .95;
    letter-spacing: -3px
}

.philosophy-copy,
.curriculum-copy {
    padding-top: 45px
}

.curriculum {
    background: #eceae3
}

.about-cta {
    width: min(1200px, 90%);
    margin: auto;
    min-height: 360px;
    padding: 80px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px
}

.about-cta h2 {
    font-size: clamp(45px, 6vw, 78px);
    font-weight: 500;
    line-height: 1;
    letter-spacing: -3px
}

.cta-button {
    gap: 25px;
    min-height: 54px;
    padding: 0 25px;
    white-space: nowrap;
    transition: transform .25s
}

.cta-button:hover,
.fee-button:hover {
    transform: translateY(-2px)
}

.cta-button span {
    font-size: 20px
}

.site-footer {
    background: var(--dark);
    color: #fff
}

.footer-main {
    width: min(1200px, 90%);
    margin: auto;
    padding: 80px 0;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 50px
}

.footer-brand img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 18px
}

.footer-brand h3 {
    font-size: 18px;
    line-height: 1.25;
    letter-spacing: 2px
}

.footer-brand p {
    margin-top: 15px;
    color: rgba(255, 255, 255, .55)
}

.footer-column h4 {
    margin-bottom: 25px;
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase
}

.footer-column p {
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .55)
}

.footer-column a {
    display: inline-block;
    font-size: 13px;
    color: rgba(255, 255, 255, .82)
}

.footer-column ul {
    list-style-type: disc;
    padding-left: 20px;
    margin: 0;
    line-height: 1.5;
}

.footer-column li {
    margin-bottom: 12px
}

.footer-bottom {
    width: min(1200px, 90%);
    margin: auto;
    padding: 22px 0;
    display: flex;
    justify-content: space-between;
    border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: 11px;
    color: rgba(255, 255, 255, .45)
}

@media(max-width:1000px) {

    .desktop-nav,
    .fee-button {
        display: none
    }

    .menu-button {
        display: flex
    }

    .nav-container {
        width: 94%;
        min-height: 76px;
        gap: 12px
    }

    .brand {
        min-width: 0;
        gap: 8px
    }

    .header-actions {
        margin-left: auto
    }

    .mobile-nav {
        flex-direction: column;
        width: 100%;
        padding: 15px 5%;
        background: var(--bg);
        border-top: 1px solid var(--line);
        position: relative;
        z-index: 1001
    }

    .mobile-nav a {
        padding: 15px 0;
        border-bottom: 1px solid var(--line);
        font-family: Arial, Helvetica, sans-serif;
        font-size: 15px;
        font-weight: 600;
        letter-spacing: normal
    }

    .mobile-nav .mobile-fee {
        margin-top: 10px;
        padding: 15px 18px;
        background: var(--dark);
        color: #fff;
        text-align: center
    }

    .about-hero {
        min-height: 55vh
    }

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

    .highlight-card:nth-child(2) {
        border-right: 0
    }

    .highlight-card:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255, 255, 255, .16)
    }

    .footer-main {
        grid-template-columns: repeat(2, 1fr)
    }
}

@media(max-width:650px) {
    .nav-container {
        min-height: 72px
    }

    .brand img {
        width: 50px;
        height: 50px;
        flex: 0 0 50px
    }

    .brand-name {
        font-size: 15px;
        letter-spacing: 1.5px;
        white-space: nowrap
    }

    .brand-subtitle {
        font-size: 8px;
        letter-spacing: 2px
    }

    .menu-button {
        width: 42px;
        height: 42px;
        flex: 0 0 42px
    }

    .section {
        width: 90%;
        padding: 75px 0
    }

    .about-hero {
        min-height: 58vh;
        padding: 75px 7%;
        align-items: flex-end
    }

    .about-hero h1 {
        font-size: clamp(54px, 17vw, 82px);
        letter-spacing: -3px
    }

    .hero-description {
        margin-top: 25px;
        font-size: 15px
    }

    .hero-number {
        right: 7%;
        top: 30px
    }

    .about-grid,
    .philosophy-grid,
    .curriculum-grid {
        grid-template-columns: 1fr;
        gap: 35px
    }

    .section-heading h2 {
        font-size: 48px
    }

    .vertical-line {
        display: none
    }

    .about-copy p,
    .philosophy-copy p,
    .curriculum-copy p {
        font-size: 15px;
        line-height: 1.8
    }

    .highlight-grid {
        width: 90%;
        grid-template-columns: 1fr
    }

    .highlight-card {
        min-height: auto;
        padding: 35px 10px;
        border-right: 0;
        border-bottom: 1px solid rgba(255, 255, 255, .16)
    }

    .highlight-card:last-child {
        border-bottom: 0
    }

    .highlight-card>span {
        margin-bottom: 25px
    }

    .philosophy-title h2,
    .curriculum-title h2 {
        font-size: 55px
    }

    .philosophy-copy,
    .curriculum-copy {
        padding-top: 0
    }

    .about-cta {
        min-height: auto;
        padding: 70px 0;
        flex-direction: column;
        align-items: flex-start
    }

    .about-cta h2 {
        font-size: 48px;
        letter-spacing: -2px
    }

    .footer-main {
        width: 90%;
        padding: 60px 0;
        grid-template-columns: 1fr;
        gap: 40px
    }

    .footer-bottom {
        width: 90%;
        flex-direction: column;
        gap: 8px
    }
}

@media(max-width:400px) {
    .nav-container {
        min-height: 68px
    }

    .brand {
        gap: 7px
    }

    .brand img {
        width: 42px;
        height: 42px;
        flex-basis: 42px
    }

    .brand-name {
        font-size: 12px;
        letter-spacing: 1px
    }

    .brand-subtitle {
        font-size: 7px;
        letter-spacing: 1.5px
    }

    .menu-button {
        width: 40px;
        height: 40px;
        flex-basis: 40px
    }

    .about-hero h1 {
        font-size: 50px
    }

    .section-heading h2 {
        font-size: 42px
    }

    .about-cta h2 {
        font-size: 42px
    }
}

/* =========================================================
   FINAL MOBILE HAMBURGER + QUICK LINKS SETTINGS
   ========================================================= */

.footer-column ul {
    list-style-type: disc;
    padding-left: 20px;
    margin: 0;
    line-height: 1.5;
}

.footer-column li {
    margin-bottom: 8px;
}

.footer-column li:last-child {
    margin-bottom: 0;
}

@media (max-width: 1000px) {
    .menu-button {
        display: flex;
        flex: 0 0 44px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }

    .menu-button span {
        width: 23px;
        height: 2px;
        margin: 0;
        background: #ffffff;
    }
}

@media (max-width: 650px) {
    .menu-button {
        width: 42px;
        height: 42px;
        flex-basis: 42px;
    }

    .menu-button span {
        width: 21px;
    }
}

@media (max-width: 400px) {
    .menu-button {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
    }
}