* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #0b0b0b;
    color: #eeeeee;
    line-height: 1.6;
}

.container {
    width: min(100% - 32px, 1100px);
    margin: auto;
}


/* ===============================
   NAVIGATION
   =============================== */

.main-nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 11, 11, 0.94);
    border-bottom: 1px solid #292929;
    backdrop-filter: blur(10px);
}

.nav-inner {
    width: min(100% - 32px, 1100px);
    min-height: 64px;
    margin: auto;

    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.nav-logo {
    color: #ffffff;
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.3px;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    color: #cccccc;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

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


/* ===============================
   HERO
   =============================== */

.hero {
    position: relative;
    min-height: 600px;

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

    text-align: center;

    background:
        radial-gradient(
            circle at center,
            rgba(80, 80, 80, 0.22),
            rgba(0, 0, 0, 0.92) 70%
        ),
        linear-gradient(
            180deg,
            #202020 0%,
            #0b0b0b 100%
        );

    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            135deg,
            rgba(255, 255, 255, 0.04) 25%,
            transparent 25%
        );

    opacity: 0.25;
}

.hero-overlay {
    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            to bottom,
            rgba(0, 0, 0, 0.05),
            rgba(0, 0, 0, 0.75)
        );
}

.hero-content {
    position: relative;
    z-index: 2;

    width: min(100% - 32px, 800px);
    padding: 80px 20px;
}

.hero .eyebrow {
    margin-bottom: 18px;
}

.eyebrow {
    margin: 0 0 12px;

    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 3px;

    color: #bdbdbd;
}

.hero h1 {
    margin: 0;

    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.98;
    letter-spacing: -2px;
}

.subtitle {
    max-width: 680px;
    margin: 28px auto 0;

    font-size: 1.12rem;
    color: #cccccc;
}


/* ===============================
   HERO BUTTON
   =============================== */

.hero-button {
    display: inline-block;

    margin-top: 34px;
    padding: 15px 26px;

    border-radius: 8px;

    background: #eeeeee;
    color: #111111;

    text-decoration: none;
    font-weight: 800;
    letter-spacing: 0.4px;

    transition:
        transform 0.2s ease,
        background 0.2s ease;
}

.hero-button:hover {
    transform: translateY(-3px);
    background: #ffffff;
}


/* ===============================
   QUIZ SECTION
   =============================== */

.quiz-section {
    padding: 90px 0 70px;
}

.section-heading {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 42px;
}

.section-heading h2 {
    margin: 0;

    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
}

.section-heading > p:last-child {
    margin: 18px auto 0;
    color: #aaaaaa;
}


/* ===============================
   QUIZ GRID
   =============================== */

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
}

.quiz-card {
    overflow: hidden;

    border: 1px solid #303030;
    border-radius: 18px;

    background: #151515;

    transition:
        transform 0.25s ease,
        border-color 0.25s ease;
}

.quiz-card:hover {
    transform: translateY(-5px);
    border-color: #555555;
}

.quiz-card.featured {
    border-color: #5b5b5b;
}


/* ===============================
   QUIZ IMAGE
   =============================== */

.quiz-image {
    height: 220px;

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

    position: relative;
    overflow: hidden;

    background:
        radial-gradient(
            circle at center,
            #454545 0%,
            #202020 45%,
            #0c0c0c 100%
        );
}

.quiz-image::after {
    content: "";

    position: absolute;
    inset: 0;

    background:
        linear-gradient(
            to bottom,
            transparent 30%,
            rgba(0, 0, 0, 0.75)
        );
}

.quiz-image span {
    position: relative;
    z-index: 1;

    font-size: 72px;

    filter: grayscale(30%);
}

.ultimate-image {
    background:
        radial-gradient(
            circle at center,
            #555555 0%,
            #222222 45%,
            #080808 100%
        );
}


/* ===============================
   QUIZ CARD CONTENT
   =============================== */

.quiz-card-content {
    padding: 30px;
}

.quiz-label {
    margin: 0 0 10px;

    font-size: 0.75rem;
    letter-spacing: 2px;
    font-weight: 700;

    color: #999999;
}

.quiz-card h2 {
    margin: 0;

    font-size: 1.65rem;
    line-height: 1.2;
}

.quiz-card p {
    color: #bdbdbd;
}

.quiz-info {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;

    margin: 22px 0;

    color: #999999;
    font-size: 0.88rem;
}


/* ===============================
   QUIZ BUTTON
   =============================== */

.quiz-button {
    display: inline-block;

    padding: 13px 20px;

    border-radius: 8px;

    background: #eeeeee;
    color: #111111;

    text-decoration: none;
    font-weight: 800;

    transition:
        transform 0.2s ease,
        background 0.2s ease;
}

.quiz-button:hover {
    transform: translateY(-2px);
    background: #ffffff;
}

.featured-button {
    background: #ffffff;
}


/* ===============================
   HOW IT WORKS
   =============================== */

.how-it-works {
    padding: 80px 0;

    border-top: 1px solid #292929;
    border-bottom: 1px solid #292929;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step {
    padding: 30px;

    border: 1px solid #292929;
    border-radius: 16px;

    background: #121212;
}

.step-number {
    width: 42px;
    height: 42px;

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

    margin-bottom: 20px;

    border-radius: 50%;

    background: #eeeeee;
    color: #111111;

    font-weight: 800;
}

.step h3 {
    margin: 0 0 10px;
}

.step p {
    margin: 0;
    color: #999999;
}


/* ===============================
   INFORMATION
   =============================== */

.home-info {
    padding: 80px 0;

    border-bottom: 1px solid #292929;
}

.home-info h2 {
    margin: 0 0 20px;

    font-size: clamp(2rem, 5vw, 2.8rem);
    line-height: 1.15;
}

.home-info h3 {
    margin-top: 32px;
    margin-bottom: 8px;
}

.home-info p {
    max-width: 820px;

    color: #bdbdbd;
}


/* ===============================
   FEATURE LIST
   =============================== */

.feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;

    margin-top: 28px;
}

.feature-list span {
    padding: 9px 15px;

    border: 1px solid #333333;
    border-radius: 999px;

    background: #141414;

    color: #cccccc;
    font-size: 0.9rem;
}


/* ===============================
   COMING SOON
   =============================== */

.coming-soon {
    padding: 80px 20px;

    text-align: center;

    border-bottom: 1px solid #292929;
}

.coming-soon > p {
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;

    color: #aaaaaa;
}

.future-quizzes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);

    gap: 16px;

    max-width: 850px;

    margin: 35px auto 0;
}

.future-quizzes div {
    padding: 24px 16px;

    border: 1px solid #292929;
    border-radius: 14px;

    background: #121212;

    font-size: 1.1rem;
}

.future-quizzes strong {
    display: block;

    margin-top: 8px;

    font-size: 0.9rem;
    color: #bbbbbb;
}


/* ===============================
   FAQ
   =============================== */

.faq h3 {
    font-size: 1.1rem;
}


/* ===============================
   FOOTER
   =============================== */

.site-footer {
    margin-top: 0;
    padding: 45px 20px;

    background: #080808;

    border-top: 1px solid #292929;
}

.footer-inner {
    width: min(100%, 1100px);
    margin: auto;

    text-align: center;
}

.footer-brand {
    margin-bottom: 20px;

    font-weight: 700;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;

    margin-bottom: 20px;
}

.footer-links a {
    color: #aaaaaa;
    text-decoration: none;

    font-size: 0.9rem;

    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.copyright {
    color: #666666;
    font-size: 0.8rem;
}


/* ===============================
   MOBILE
   =============================== */

@media (max-width: 800px) {

    .hero {
        min-height: 520px;
    }

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

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

    .future-quizzes {
        grid-template-columns: 1fr;
    }

}


@media (max-width: 600px) {

    .nav-inner {
        min-height: 58px;
    }

    .nav-logo {
        font-size: 0.9rem;
    }

    .nav-links {
        gap: 14px;
    }

    .nav-links a {
        font-size: 0.9rem;
    }

    .hero {
        min-height: 500px;
    }

    .hero-content {
        padding: 60px 10px;
    }

    .hero h1 {
        font-size: 3rem;
        letter-spacing: -1px;
    }

    .subtitle {
        font-size: 1rem;
    }

    .quiz-section,
    .how-it-works,
    .home-info,
    .coming-soon {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .quiz-card-content {
        padding: 24px;
    }

    .quiz-image {
        height: 190px;
    }

    .feature-list {
        gap: 8px;
    }

}