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

        body {
            background: #000;
            color: #fff;
            font-family: 'Roboto', sans-serif;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        /* ----- TYPOGRAPHY ----- */
        h1,
        h2,
        h3 {
            font-family: 'Oswald', sans-serif;
            text-transform: uppercase;
        }

        .section-number {
            font-family: 'Oswald', sans-serif;
            font-size: 8rem;
            color: transparent;
            -webkit-text-stroke: 2px white;
            opacity: 0.5;
            position: absolute;
            top: -60px;
            right: 0;
            z-index: 0;
            line-height: 1;
            pointer-events: none;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 2rem;
            position: relative;
            z-index: 1;
            text-align: center;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }

            .section-number {
                font-size: 5rem;
                top: -30px;
            }
        }

        /* ----- BUTTONS ----- */
        .btn {
            display: inline-block;
            background: #FCEE09;
            color: #000;
            padding: 12px 30px;
            font-family: 'Oswald', sans-serif;
            font-weight: 700;
            text-transform: uppercase;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: 0.2s;
        }

        .btn:hover {
            background: #fff;
        }

        /* ----- HEADER (absolute) ----- */
        header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 50px;
            position: absolute;
            width: 100%;
            top: 0;
            z-index: 100;
            background: transparent;
        }

        .logo {
            font-family: 'Oswald', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            font-style: italic;
            border-bottom: 3px solid #FCEE09;
            line-height: 1;
            padding-bottom: 5px;
        }

        .logo span {
            color: #FCEE09;
        }

        /* Desktop navigation */
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }

        .desktop-nav a {
            font-family: 'Oswald', sans-serif;
            font-weight: 500;
            font-size: 0.9rem;
            letter-spacing: 1px;
        }

        /* Mobile menu toggle (hidden on desktop) */
        .mobile-menu-toggle {
            display: none;
            font-size: 2rem;
            cursor: pointer;
            color: #FCEE09;
            z-index: 1001;
        }

        /* ----- FIXED SIDEBAR (right) - visible on desktop only ----- */
        .sidebar {
            position: fixed;
            right: 30px;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            z-index: 999;
        }

        .sidebar .page-num {
            font-family: 'Oswald', sans-serif;
            font-size: 1.2rem;
        }

        .sidebar .line {
            width: 2px;
            height: 100px;
            background: #FCEE09;
        }

        .sidebar .socials i {
            display: block;
            margin: 15px 0;
            font-size: 1.3rem;
            color: #fff;
            cursor: pointer;
            transition: 0.2s;
        }

        .sidebar .socials i:hover {
            color: #FCEE09;
        }

        /* ----- MOBILE SIDE NAVBAR (slide-in from left) ----- */
        .mobile-side-nav {
            position: fixed;
            top: 0;
            left: -280px;
            width: 260px;
            height: 100vh;
            background: #111;
            z-index: 2000;
            padding: 100px 30px 40px;
            transition: left 0.3s ease;
            box-shadow: 2px 0 15px rgba(0, 0, 0, 0.7);
            border-right: 2px solid #FCEE09;
        }

        .mobile-side-nav.open {
            left: 0;
        }

        .mobile-side-nav ul li {
            margin-bottom: 25px;
            font-family: 'Oswald', sans-serif;
            font-size: 1.3rem;
            border-bottom: 1px solid #333;
            padding-bottom: 8px;
        }

        .mobile-side-nav ul li a {
            display: block;
            color: #fff;
            transition: 0.2s;
        }

        .mobile-side-nav ul li a:hover {
            color: #FCEE09;
            padding-left: 8px;
        }

        .mobile-side-nav .close-btn {
            position: absolute;
            top: 25px;
            right: 20px;
            font-size: 2rem;
            color: #FCEE09;
            cursor: pointer;
        }

        .mobile-side-nav .socials-mobile {
            display: flex;
            gap: 25px;
            margin-top: 50px;
            justify-content: center;
        }

        .mobile-side-nav .socials-mobile i {
            font-size: 1.6rem;
            color: #aaa;
            transition: 0.2s;
        }

        .mobile-side-nav .socials-mobile i:hover {
            color: #FCEE09;
        }

        /* overlay when menu open */
        .menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.8);
            z-index: 1500;
            display: none;
        }

        .menu-overlay.active {
            display: block;
        }

        /* ----- HERO ----- */
        #hero {
            height: 100vh;
            background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1517836357463-d25dfeac3438?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding-left: 10%;
        }

        .hero-content {
            margin-top: 10vh;
            max-width: 700px;
        }

        .hero-content h1 {
            font-size: clamp(3rem, 10vw, 5rem);
            line-height: 0.9;
            margin-bottom: 20px;
        }

        .hero-content h1 span {
            color: #FCEE09;
        }

        /* ----- WHO WE ARE (01) ----- */
        #who-we-are {
            display: flex;
            padding: 100px 10%;
            gap: 50px;
            position: relative;
            align-items: center;
            background: #000;
        }

        .who-img {
            flex: 1;
            height: 400px;
            background: url('https://images.unsplash.com/photo-1599058945522-28d584b6f0ff?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80') center/cover;
        }

        .who-text {
            flex: 1;
            position: relative;
        }

        .who-text p {
            margin-bottom: 20px;
            line-height: 1.6;
            color: #ddd;
        }

        /* ----- MEET THE TEAM (02) ----- */
        #team {
            padding: 100px 5%;
            position: relative;
            text-align: center;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-top: 50px;
        }

        .team-member {
            height: 350px;
            background-size: cover;
            background-position: center;
            cursor: pointer;
            filter: grayscale(20%);
            transition: 0.3s;
        }

        .team-member:hover {
            filter: grayscale(0%);
            transform: scale(1.02);
            z-index: 10;
        }

        /* team images (unchanged) */
        .tm1 {
            background-image: url('https://images.unsplash.com/photo-1534438327276-14e5300c3a48?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm2 {
            background-image: url('https://images.unsplash.com/photo-1595078475328-1ab05d0a6a0e?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm3 {
            background-image: url('https://images.unsplash.com/photo-1483721310020-03333e577078?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm4 {
            background-image: url('https://images.unsplash.com/photo-1548690312-e3b507d8c110?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm5 {
            background-image: url('https://images.unsplash.com/photo-1517963879433-6ad2b056d712?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm6 {
            background-image: url('https://images.unsplash.com/photo-1583454110551-21f2fa2afe61?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm7 {
            background-image: url('https://images.unsplash.com/photo-1518310383802-640c2de311b2?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        .tm8 {
            background-image: url('https://images.unsplash.com/photo-1571019614242-c5c5dee9f50b?ixlib=rb-4.0.3&auto=format&fit=crop&w=500&q=80');
        }

        /* ----- CLASSES (03) ----- */
        #classes {
            padding: 100px 10%;
            position: relative;
        }

        .classes-container {
            display: flex;
            gap: 20px;
            justify-content: center;
        }

        .class-card {
            flex: 1;
            height: 500px;
            background-size: cover;
            background-position: center;
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 30px;
        }

        .class-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, transparent 40%, black 100%);
        }

        .class-card h3,
        .class-card .btn {
            position: relative;
            z-index: 2;
        }

        .class-card h3 {
            font-size: 2rem;
            margin-bottom: 20px;
        }

        .c-img-1 {
            background-image: url('https://images.unsplash.com/photo-1532384748853-8f54a8f476e2?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80');
        }

        .c-img-2 {
            background-image: url('https://images.unsplash.com/photo-1574680096145-d05b474e2155?ixlib=rb-4.0.3&auto=format&fit=crop&w=800&q=80');
        }

        /* ----- MEMBERSHIPS (04) ----- */
        #memberships {
            padding: 100px 10%;
            position: relative;
            text-align: center;
            background: #000;
        }

        .membership-container {
            display: flex;
            justify-content: center;
            gap: 0;
            margin-top: 50px;
        }

        .mem-card {
            background-color: #808080;
            padding: 60px 40px;
            width: 350px;
            text-align: left;
            color: #000;
        }

        .mem-card.middle {
            background-color: #fff;
            transform: scale(1.05);
            z-index: 5;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
        }

        .mem-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            text-align: center;
        }

        .icon-box {
            text-align: center;
            font-size: 3rem;
            margin-bottom: 20px;
        }

        .price {
            font-size: 1.8rem;
            font-weight: bold;
            text-align: center;
            margin-bottom: 30px;
            font-family: 'Oswald', sans-serif;
        }

        .mem-features li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .mem-features li i {
            margin-right: 10px;
        }

        .mem-card .btn {
            width: 100%;
            margin-top: 30px;
            text-align: center;
        }

        /* ----- FOOTER ----- */
        footer {
            background: #FCEE09;
            color: #000;
            padding: 60px 10%;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }

        .footer-left {
            display: flex;
            gap: 80px;
        }

        .footer-info p,
        .footer-links p {
            font-weight: 500;
            margin-bottom: 10px;
        }

        .footer-links p {
            cursor: pointer;
        }

        .footer-links p:hover {
            text-decoration: underline;
        }

        .footer-right h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .subscribe-form {
            display: flex;
        }

        .subscribe-form input {
            padding: 15px;
            border: 2px solid black;
            width: 300px;
        }

        .subscribe-form button {
            background: black;
            color: white;
            border: none;
            padding: 15px 30px;
            font-weight: bold;
            cursor: pointer;
        }

        /* ----- RESPONSIVE (tablet & phone) ----- */
        @media (max-width: 1024px) {
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .membership-container {
                flex-direction: column;
                align-items: center;
                gap: 20px;
            }

            .mem-card {
                width: 100%;
                max-width: 400px;
            }

            .mem-card.middle {
                transform: none;
            }

            #who-we-are {
                flex-direction: column;
            }

            .hero-content h1 {
                font-size: 3.5rem;
            }

            footer {
                flex-direction: column;
                gap: 40px;
            }

            .footer-left {
                flex-wrap: wrap;
                gap: 40px;
            }

            .sidebar {
                display: none;
            }

            /* hide right fixed sidebar on mobile */
        }

        @media (max-width: 768px) {
            header {
                padding: 15px 20px;
            }

            .desktop-nav {
                display: none;
            }

            /* hide desktop nav */
            .mobile-menu-toggle {
                display: block;
            }

            /* show hamburger */

            .classes-container {
                flex-direction: column;
            }

            .class-card {
                height: 400px;
            }

            .team-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .team-member {
                height: 300px;
                max-width: 450px;
                margin: 0 auto;
                width: 100%;
            }

            #hero {
                padding-left: 5%;
            }

            .hero-content h1 {
                font-size: 2.8rem;
            }

            .footer-left {
                flex-direction: column;
                gap: 30px;
            }

            .subscribe-form {
                flex-wrap: wrap;
                gap: 10px;
            }

            .subscribe-form input {
                width: 100%;
            }

            .subscribe-form button {
                width: 100%;
            }
        }

        @media (max-width: 480px) {
            .section-title {
                font-size: 4rem;
            }

            .hero-content h1 {
                font-size: 4.2rem;
            }

            .btn {
                padding: 10px 20px;
                font-size: 2rem;
            }
        }

        /* foldable 280px */
        @media (max-width: 320px) {
            .logo {
                font-size: 1rem;
            }


            .class-card h3 {
                font-size: 3.5rem;
            }

            .mem-card {
                padding: 40px 20px;
            }
        }