/* ================================================
    RESET & BASE
    ================================================ */
    *, *::before, *::after {
        box-sizing: border-box;
    }

    html, body {
        margin: 0;
        overflow-x: hidden;
        font-family: 'Montserrat', sans-serif;
        background-color: #ffffff;
    }

    /* ================================================
    NAVBAR — DESKTOP
    ================================================ */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;

        height: 65px;
        padding: 0 144px;
        box-sizing: border-box;

        display: flex;
        align-items: center;

        background-color: #ffffff;
        box-shadow: 0px 2px 6px rgba(25, 122, 233, 0.3);
    }

    .nav-container {
        width: 100%;
        max-width: 1632px;
        height: 48px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin: 0 auto;
    }

    /* LOGO */
    .logo img {
        width: 124px;
        height: 40px;
        object-fit: contain;
        display: block;
    }

    /* CENTER LINKS */
    .nav-links {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        display: flex;
        gap: 32px;
        align-items: center;
    }

    .nav-links a {
        font-family: 'Montserrat', sans-serif;
        font-weight: 600;
        font-size: 17px;
        text-decoration: none;
        color: #000;
        white-space: nowrap;
        transition: color 0.2s;
    }

    .nav-links a:hover {
        color: #197AE9;
    }

    .nav-links a.active,
    .mobile-nav a.active {
        color: #FF9900;
        font-weight: 600;
    }

    /* RIGHT ACTIONS */
    .actions {
        display: flex;
        gap: 16px;
        align-items: center;
    }

    /* LOGIN BUTTON */
    .login-btn {
        font-family: 'Montserrat', sans-serif;
        font-weight: 600;
        font-size: 15px;
        color: #197AE9;
        background: white;

        border: 2px solid #197AE9;
        border-radius: 12px;

        cursor: pointer;
        text-decoration: none;

        display: inline-flex;
        align-items: center;
        justify-content: center;

        padding: 10px 16px;
        box-sizing: border-box;
        white-space: nowrap;
        transition: background 0.2s, color 0.2s;
    }

    .login-btn:hover {
        background: #197AE9;
        color: #fff;
    }

    /* DEMO BUTTON (shared across page) */
    .demo-btn {
        font-family: 'Montserrat', sans-serif;
        font-weight: 600;
        font-size: 16px;
        color: #FFFFFF;
        background-color: #FF9900;
        padding: 10px 20px;
        border: none;
        border-radius: 12px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        white-space: nowrap;
        transition: background 0.2s;
    }

    .demo-btn:hover {
        background-color: #e68a00;
    }

    /* ================================================
    COLLEGE SECTION
    ================================================ */
    .college-section {
        text-align: center;
        padding: 80px 40px;
        background: #fff;
    }

    .college-heading {
        font-size: clamp(20px, 2.2vw, 28px);
        font-weight: 700;
        margin: 0 0 14px;
        line-height: 1.35;
    }

    .college-subtitle {
        font-size: clamp(15px, 1.6vw, 18px);
        max-width: 1350px;
        width: 100%;
        font-weight: 500;
        color: #5F6C7B;
        margin: 0 auto 48px;
        line-height: 1.65;
    }

    .college-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
    }

    .college-card {
        background: #fff;
        border-radius: 18px;
        padding: 28px 18px;
        border: 1px solid #eee;
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .college-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 14px 32px rgba(49, 131, 238, 0.15);
    }

    .icon-circle {
        width: 76px;
        height: 76px;
        margin: 0 auto 14px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .icon-circle img {
        width: 34px;
        height: 34px;
        object-fit: contain;
    }

    /* Icon circle colours */
    .icon-blue  { background: #E8F0FF; }
    .orange     { background: #FFF3E6; }
    .purple     { background: #F3EEFF; }
    .green      { background: #E6F7EC; }
    .red        { background: #FFECEC; }
    .lightgreen { background: #E8F7F0; }
    .brown      { background: #FFF1E6; }
    .sky        { background: #E6F2FF; }

    .college-card p {
        font-size: clamp(12px, 1.1vw, 15px);
        font-weight: 700;
        color: #000;
        margin: 0;
        line-height: 1.4;
    }

    @media (max-width: 1024px) { .college-grid { grid-template-columns: repeat(3, 1fr); } }
    @media (max-width: 768px)  { .college-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 480px)  { .college-grid { grid-template-columns: repeat(2, 1fr); } }
    @media (max-width: 360px)  { .college-grid { grid-template-columns: 1fr 1fr; } }

    /* ================================================
    HAMBURGER BUTTON
    ================================================ */
    .hamburger {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        cursor: pointer;
        background: none;
        border: none;
        padding: 6px;
        z-index: 1100;
        flex-shrink: 0;
    }

    .hamburger span {
        display: block;
        width: 26px;
        height: 3px;
        background: #197AE9;
        border-radius: 3px;
        transition: transform 0.3s ease, opacity 0.3s ease;
        transform-origin: center;
    }

    .hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
    .hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    /* ================================================
    MOBILE NAV DRAWER
    ================================================ */
    .mobile-nav {
        position: fixed;
        top: 65px;
        left: 0;
        width: 100%;
        background: #fff;
        z-index: 999;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.10);

        display: flex;
        flex-direction: column;
        padding: 14px 16px 30px;
        border-top: 1px solid #f0f0f0;

        visibility: hidden;
        opacity: 0;
        transform: translateY(-8px);
        pointer-events: none;
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0.25s;
        box-sizing: border-box;

        overflow-y: auto;
        overflow-x: hidden;
        max-height: calc(100vh - 65px);
    }

    .mobile-nav.open {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        pointer-events: all;
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0s;
    }

    @media (min-width: 901px) {
        .mobile-nav { display: none !important; }
    }

    /* ── Nav links inside the drawer ── */
    .mobile-nav > a {
        font-family: 'Montserrat', sans-serif;
        font-weight: 600;
        font-size: 16px;
        color: #000;
        text-decoration: none;
        padding: 13px 0;
        border-bottom: 1px solid #f0f0f0;
        display: block;
        transition: color 0.2s;
    }

    /* ✅ THE FIX: only remove border from the last DIRECT-CHILD <a>
    (the nav links), NOT from the login <a> inside .mobile-actions */
    .mobile-nav > a:last-of-type {
        border-bottom: none;
    }

    .mobile-nav > a:hover { color: #197AE9; }

    /* ================================================
    MOBILE ACTIONS
    ================================================ */
    .mobile-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 18px;
        width: 100%;
        box-sizing: border-box;
    }

    .mobile-actions .login-btn,
    .mobile-actions .demo-btn {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        font-size: 15px;
        padding: 12px 20px;
        border-radius: 12px;
        font-family: 'Montserrat', sans-serif;
        font-weight: 600;
        white-space: nowrap;
        cursor: pointer;
        text-decoration: none;
        box-sizing: border-box;
    }

    /* ✅ Full border on all 4 sides — never stripped */
    .mobile-actions .login-btn {
        color: #197AE9;
        background: white;
        border: 2px solid #197AE9 !important;
        border-radius: 12px !important;
    }

    .mobile-actions .login-btn:hover {
        background: #197AE9;
        color: #fff;
    }

    .mobile-actions .demo-btn {
        color: #fff;
        background-color: #FF9900;
        border: none;
    }

    .mobile-actions .demo-btn:hover {
        background-color: #e68a00;
    }

    /* ================================================
    NAVBAR RESPONSIVE BREAKPOINTS
    ================================================ */
    @media (max-width: 1440px) { .navbar { padding: 0 80px; } }

    @media (max-width: 1200px) {
        .navbar { padding: 0 48px; }
        .nav-links { gap: 22px; }
        .nav-links a { font-size: 15px; }
        .login-btn  { font-size: 14px; padding: 9px 16px; }
        .demo-btn   { font-size: 14px; padding: 9px 16px; }
    }

    @media (max-width: 900px) {
        .navbar { padding: 0 24px; }
        .nav-links { display: none; }
        .actions   { display: none; }
        .hamburger { display: flex; }
    }

    @media (max-width: 480px) { .navbar { padding: 0 16px; } }

    /* =========================================
    DEMO BANNER
    ========================================= */
    .demo-banner {
        position: relative;
        width: 100%;
        margin: 40px 0;
    }

    .banner-img {
        width: 100%;
        display: block;
    }

    .banner-btn {
        position: absolute;
        top: 70%;
        left: 50%;
        transform: translate(-50%, -50%);

        padding: clamp(8px, 1.2vw, 14px) clamp(20px, 3vw, 40px);
        font-size: clamp(12px, 1.2vw, 16px);

        border-radius: 30px;
        white-space: nowrap;
    }

    @media (max-width: 768px) {
        .banner-btn {
            top: 73%;
            font-size: clamp(11px, 3vw, 14px);
            padding: clamp(7px, 2vw, 11px) clamp(16px, 5vw, 28px);
            border-radius: 24px;
        }
    }

    @media (max-width: 480px) {
        .banner-btn {
            top: 75%;
            font-size: clamp(6px, 1.5vw, 10px);
            padding: clamp(6px, 2vw, 10px) clamp(14px, 5vw, 24px);
            border-radius: 20px;
        }
    }

    @media (max-width: 360px) {
        .banner-btn {
            top: 75%;
            font-size: clamp(6px, 1.5vw, 10px);
            padding: clamp(6px, 2vw, 10px) clamp(14px, 5vw, 24px);
            border-radius: 16px;
        }
    }



    /* BASE POPUP */
    .success-popup {
        position: fixed;

        top: 80px;
        right: 30px;
        left: auto;
        max-width: 320px;

        padding: 14px 22px;
        border-radius: 12px;

        font-size: 14px;
        font-weight: 500;

        color: #fff;

        display: flex;
        align-items: center;
        gap: 8px;

        box-shadow: 0 10px 25px rgba(0,0,0,0.15);

        opacity: 0;
        transform: translateY(-20px);
        pointer-events: none;

        transition: all 0.3s ease;
        z-index: 9999;
    }

    /* SHOW */
    .success-popup.show {
        opacity: 1;
        transform: translateY(0);
    }

    /* ✅ SUCCESS (GREEN) */
    .success-popup.success {
        background: #28a745;
        color: white;
    }

    /* ❌ ERROR (RED) */
    .success-popup.error {
        background: #dc3545;
        color: white;
    }


    /* ===== MOBILE FIX ===== */
    @media (max-width: 768px) {
        .success-popup {
            top: 80px;
            right: 15px;
            left: 15px;       /* 🔥 full width */
            max-width: none;

            padding: 12px;
            font-size: 13px;

            border-radius: 10px;

            justify-content: center;
            text-align: center;
        }
    }

    @media (max-width: 480px) {
        .success-popup {
            top: 75px;
            padding: 10px;
            font-size: 12px;
        }
    }

    @media (max-width: 360px) {
        .success-popup {
            top: 70px;
            font-size: 11px;
        }
    }



    .modules-banner,
    .landing-banner,
    .top-banner {
        margin-top: 60px;
    }

    @media (min-width: 1025px) {
        .modules-banner,
        .landing-banner,
        .top-banner {
            margin-top: 0px;
        }
    }