/*
--- 01 TYPOGRAPHY SYSTEM

Font Sizes (px)
10 / 12 / 14 / 16 / 18 / 20 / 24 / 30 / 36 / 44 / 52 / 62 / 74 / 86 / 98

Font Weights
default :400
Line Heights
Default: 1

SPACING SYSTEM (px)
2 / 4 / 8 / 12 / 16 / 24 / 32 / 48 / 64 / 80 / 96 / 128

--- 02 Colors
- Primary Color: #e67e22
- Tints:
- Shades: #fdf2e9
- Accents: 
- Greys:  
#555
#333

--- 03 SHADOWS

--- 04 BORDER RADIUS

--- 05 WHITESPACE
*/

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

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: 'rubik', sans-serif;
    line-height: 1;
    font-weight: 400;
    color: #555;
}

.container {
    max-width: 120rem;
    margin: 0 auto;
    padding: 0 3.2rem;
}

.header {
    position: sticky;
    top: 0;
    background: #fff;
    border-bottom: 1px solid #f1f1f1;
    z-index: 10;
}
.header-inner {
    height: 7.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo {
    font-weight: 700;
    font-size: 2.4rem;
    text-decoration: none;
    color: #e67e22;
}
.main-nav-list {
    list-style: none;
    display: flex;
    gap: 2.4rem;
}
.main-nav-link:link,
.main-nav-link:visited {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 1.6rem;
    transition: color 0.2s ease;
}
.main-nav-link:hover,
.main-nav-link:active {
    color: #e67e22;
}

.section-hero {
    background-color: #fdf2e9;
    padding: 9.6rem;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 130rem;
    margin: 0 auto;
    gap: 9.6rem;
    align-items: center;
}

.heading-primary {
    font-size: 5.2rem;
    line-height: 1.05;
    color: #333;
    letter-spacing: -0.5px;
    margin-bottom: 3.2rem;
}

.hero-description {
    font-size: 2rem;
    line-height: 1.6;
    margin-bottom: 4.8rem;
}

.btn:link,
.btn:visited {
    display: inline-block;
    background-color: #e67e22;
    color: #fff;
    font-size: 2rem;
    padding: 1.6rem 3.2rem;
    border-radius: 9px;
    font-weight: 600;

    transition: background-color 0.3s;
}
.btn:hover,
btn:active {
    background-color: #cf711f;
}
.hero-img {
    width: 100%;
}

.section-gpts {
    padding: 9.6rem 0;
    scroll-margin-top: 8rem;
}
.heading-secondary {
    font-size: 4.4rem;
    line-height: 1.2;
    color: #333;
    letter-spacing: -0.5px;
    margin-bottom: 4.8rem;
    text-align: center;
}
.gpt-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.2rem;
}
.gpt-card {
    background: #fff;
    border: 1px solid #eee;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 56rem;
}
.gpt-card-media {
    width: 100%;
    height: 30rem;
    overflow: hidden;
    background: #000;
}
.gpt-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

/* Fine-tune per-card image focus to avoid showing UI chrome inside source images */
.gpt-card--india .gpt-card-img {
    object-position: center 35%;
}
.gpt-card--terminator .gpt-card-img {
    object-position: center 45%;
}
.gpt-card--hungry .gpt-card-img {
    object-position: center 40%;
}
.gpt-card-content {
    padding: 2.4rem;
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}
.gpt-card-title {
    font-size: 2.4rem;
    color: #333;
}
.gpt-card-text {
    font-size: 1.6rem;
    line-height: 1.6;
}
.btn-full:link,
.btn-full:visited {
    text-align: center;
}

.footer {
    border-top: 1px solid #f1f1f1;
    padding: 3.2rem 0;
    margin-top: 4.8rem;
    background: #fff;
}
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.footer-link {
    color: #333;
    text-decoration: none;
    font-size: 1.4rem;
}
.footer-link:hover {
    color: #e67e22;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-img-box {
        order: -1;
    }
    .gpt-grid {
        grid-template-columns: 1fr;
    }
    .gpt-card-media {
        height: 24rem;
    }
}