/* ================================
   BASIC SETTINGS
================================ */

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

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f7f9fc;
    color: #172033;
    line-height: 1.6;
}


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

header {
    background: white;
    width: 100%;
    border-bottom: 1px solid #e5e8ef;
}

.navbar {
    max-width: 1200px;
    margin: auto;
    padding: 22px 40px;

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

.logo {
    font-size: 28px;
    font-weight: bold;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #172033;
    font-weight: 600;
}

.nav-links a:hover {
    color: #4f46e5;
}


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

.hero {
    min-height: 650px;

    display: flex;
    align-items: center;

    padding: 80px;

    background:
        linear-gradient(
            90deg,
            #eef2ff 0%,
            #f8fafc 100%
        );
}

.hero-text {
    max-width: 700px;
}

.small-heading {
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 64px;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero h1 span {
    color: #4f46e5;
}

.hero p {
    font-size: 19px;
    color: #596273;
    margin-bottom: 35px;
}


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

.button {
    display: inline-block;

    padding: 14px 28px;

    background: #4f46e5;
    color: white;

    text-decoration: none;

    border-radius: 8px;

    font-weight: bold;
}

.button:hover {
    background: #3730a3;
}


/* ================================
   GENERAL SECTIONS
================================ */

.about,
.discover,
.why,
.bias-intro,
.quote {
    padding: 100px 12%;
}

.section-label {
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 3px;
    color: #4f46e5;
    margin-bottom: 15px;
}

h2 {
    font-size: 42px;
    line-height: 1.2;
    margin-bottom: 25px;
}

.about p,
.discover p,
.why p,
.bias-intro p {
    max-width: 750px;
    font-size: 18px;
    color: #596273;
    margin-bottom: 18px;
}


/* ================================
   DISCOVER CARDS
================================ */

.discover {
    background: white;
}

.cards {
    display: flex;
    gap: 25px;
    margin-top: 50px;
}

.card {
    flex: 1;

    padding: 35px;

    border: 1px solid #e5e8ef;
    border-radius: 15px;

    background: #fafbff;

    transition: 0.3s;
}

.card:hover {
    transform: translateY(-8px);
}

.card h3 {
    margin-bottom: 15px;
}


/* ================================
   WHY SECTION
================================ */

.why {
    background: #172033;
    color: white;
}

.why p {
    color: #d8deea;
}

.why .section-label {
    color: #a5b4fc;
}


/* ================================
   AI BIAS SECTION
================================ */

.bias-intro {
    background: #eef2ff;
}

.bias-intro .button {
    margin-top: 15px;
}


/* ================================
   QUOTE
================================ */

.quote {
    text-align: center;
    background: white;
}

.quote h2 {
    max-width: 900px;
    margin: auto;
}

.quote p {
    margin-top: 25px;
    color: #596273;
}


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

footer {
    padding: 30px;

    text-align: center;

    background: #0f172a;

    color: #cbd5e1;
}


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

@media (max-width: 768px) {

    .navbar {
        flex-direction: column;
        gap: 20px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero {
        padding: 60px 30px;
    }

    .hero h1 {
        font-size: 44px;
    }

    .about,
    .discover,
    .why,
    .bias-intro,
    .quote {
        padding: 70px 30px;
    }

    .cards {
        flex-direction: column;
    }

}
/* ================================
   SPOT THE BIAS PAGE
================================ */

.spot-hero {
    padding: 90px 12%;
    text-align: center;
    background: #eef2ff;
}

.spot-hero h1 {
    font-size: 50px;
    margin-bottom: 20px;
}

.spot-hero p {
    max-width: 700px;
    margin: auto;
    color: #596273;
    font-size: 18px;
}


/* DATASET SECTION */

.dataset-section {
    padding: 90px 10%;
    background: white;
    text-align: center;
}

.dataset-section h2 {
    margin-bottom: 50px;
}

.dataset-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}


/* DATASET BOX */

.dataset-box {
    width: 320px;
    min-height: 250px;

    padding: 35px;

    border: 2px solid #dbe2ee;
    border-radius: 18px;

    background: #f8fafc;

    transition: 0.3s;
}

.dataset-box:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 30px rgba(23, 32, 51, 0.12);
}

.dataset-box h3 {
    margin-bottom: 25px;
    color: #4f46e5;
}


/* DOTS */

.dots {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;

    max-width: 220px;

    margin: 20px auto 30px;
}

.dot {
    width: 13px;
    height: 13px;

    border-radius: 50%;

    display: inline-block;
}

.dot.red {
    background: #ef476f;
}

.dot.green {
    background: #48b981;
}


/* DATASET BUTTON */

.dataset-box button {
    border: none;

    padding: 12px 20px;

    border-radius: 8px;

    background: #4f46e5;
    color: white;

    font-weight: bold;

    cursor: pointer;
}

.dataset-box button:hover {
    background: #3730a3;
}


/* ANSWER BOX */

#answer-box {
    display: none;

    max-width: 750px;

    margin: 50px auto 0;

    padding: 30px;

    border-radius: 15px;

    background: #eef2ff;
}

#answer-box h3 {
    margin-bottom: 10px;
    font-size: 25px;
}

#answer-box p {
    color: #596273;
}


/* MOBILE */

@media (max-width: 768px) {

    .spot-hero {
        padding: 70px 30px;
    }

    .spot-hero h1 {
        font-size: 40px;
    }

    .dataset-section {
        padding: 70px 25px;
    }

}
/* ================================
   PROFESSIONAL NAVIGATION
================================ */

header {
    position: sticky;
    top: 0;
    z-index: 1000;

    background: rgba(255, 255, 255, 0.95);

    backdrop-filter: blur(10px);

    box-shadow: 0 2px 15px rgba(23, 32, 51, 0.08);
}

.logo {
    color: #172033;
    font-size: 30px;
    font-weight: 800;

    letter-spacing: -1px;
}

.nav-links a {
    position: relative;

    transition: 0.3s;
}

.nav-links a::after {
    content: "";

    position: absolute;

    left: 0;
    bottom: -7px;

    width: 0;
    height: 2px;

    background: #4f46e5;

    transition: 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}
/* ================================
   ETHINET HOME HERO UPGRADE
================================ */

.hero {
    min-height: 680px;

    display: flex;
    align-items: center;

    position: relative;
    overflow: hidden;

    background:
        radial-gradient(circle at 85% 30%, #c7d2fe 0%, transparent 25%),
        radial-gradient(circle at 70% 80%, #e0e7ff 0%, transparent 30%),
        linear-gradient(135deg, #eef2ff, #f8fafc);
}

.hero::before {
    content: "AI";
    
    position: absolute;

    right: 8%;
    top: 50%;

    transform: translateY(-50%);

    font-size: 260px;
    font-weight: 900;

    color: rgba(79, 70, 229, 0.07);

    z-index: 0;
}

.hero-text {
    position: relative;
    z-index: 1;

    max-width: 750px;
}

.hero .small-heading {
    color: #4f46e5;

    font-size: 14px;
    font-weight: 800;

    letter-spacing: 4px;

    margin-bottom: 20px;
}

.hero h1 {
    font-size: clamp(48px, 7vw, 76px);

    line-height: 1.05;

    letter-spacing: -3px;

    margin-bottom: 28px;
}

.hero h1 span {
    display: block;

    color: #4f46e5;
}

.hero p {
    max-width: 650px;

    font-size: 20px;

    line-height: 1.7;

    color: #596273;

    margin-bottom: 38px;
}

.hero .button {
    padding: 16px 30px;

    border-radius: 10px;

    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.25);

    transition: 0.3s;
}

.hero .button:hover {
    transform: translateY(-3px);

    box-shadow: 0 15px 30px rgba(79, 70, 229, 0.35);
}
/* ================================
   CAN TECHNOLOGY BE FAIR? UPGRADE
================================ */

.fair-section {
    background: #ffffff;
    text-align: center;
    padding: 100px 20px;
}

.fair-section h2 {
    font-size: 42px;
    color: #172033;
    margin-bottom: 20px;
}

.fair-section p {
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 18px;
    line-height: 1.7;
    color: #596273;
}

.fair-section strong {
    color: #4f46e5;
}
/* ================================
   DISCOVER ETHINET CARDS UPGRADE
================================ */

.cards {
    gap: 30px;
}

.card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;

    padding: 32px;

    box-shadow: 0 8px 25px rgba(23, 32, 51, 0.06);

    transition: 0.3s ease;

    position: relative;
    overflow: hidden;
}

.card::before {
    content: "";

    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 4px;

    background: #4f46e5;
}

.card:hover {
    transform: translateY(-8px);

    box-shadow: 0 18px 40px rgba(23, 32, 51, 0.12);
}

.card h3 {
    font-size: 22px;
    color: #172033;

    margin-bottom: 12px;
}

.card p {
    color: #667085;
    line-height: 1.7;
}
/* ================================
   SPOT THE BIAS BUTTONS
================================ */

.dataset-button {
    padding: 14px 28px;

    border: none;
    border-radius: 10px;

    background: #4f46e5;
    color: white;

    font-size: 16px;
    font-weight: 700;

    cursor: pointer;

    transition: 0.3s ease;

    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.2);
}

.dataset-button:hover {
    transform: translateY(-3px);

    box-shadow: 0 12px 25px rgba(79, 70, 229, 0.3);
}

.dataset-button:active {
    transform: scale(0.97);
}
/* ================================
   HERO IMAGE
================================ */

.hero {
    display: flex;
    justify-content: space-between;
    gap: 50px;
}

.hero-image {
    width: 430px;
    flex-shrink: 0;
}

.hero-image img {
    width: 100%;
    display: block;
    border-radius: 20px;

    box-shadow: 0 20px 50px rgba(23, 32, 51, 0.18);

    transition: 0.3s ease;
}

.hero-image img:hover {
    transform: translateY(-5px);
}