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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #faf8f4;
    color: #111111;
    line-height: 1.6;
}

img {
    max-width: 100%;
    display: block;
}

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

/* HEADER */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(250, 248, 244, 0.92);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(17, 17, 17, 0.08);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 22px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    letter-spacing: 0.18em;
    font-weight: 600;
    color: #111111;
}

.logo img {
    width: 34px;
    height: 34px;
    border-radius: 8px;
}

.main-nav {
    display: flex;
    gap: 34px;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.main-nav a {
    color: #555555;
}

.main-nav a:hover {
    color: #111111;
}

/* HERO */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
    to right,
    rgba(0, 0, 0, 0.45),
    rgba(0, 0, 0, 0.05)
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    padding: 0 40px;
    margin-left: calc((100vw - 1280px) / 2);
    color: #F6F4EF;
}

.hero-label,
.section-label {
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: #8a8175;
    margin-bottom: 18px;
}

.hero h1 {
    font-size: clamp(28px, 6vw, 64px);
    line-height: 1.05;
    letter-spacing: -0.02em;
    font-weight: 200;
    max-width: 900px;
    margin-bottom: 24px;
}

.hero-description {
    max-width: 520px;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 36px;
}

.button-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 26px;
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 999px;
    font-size: 13px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: 0.25s ease;
}

.button-primary:hover {
    background: #ffffff;
    color: #0d0d0d;
}

/* FEATURE SECTIONS */

.feature-section {
    max-width: 1280px;
    margin: 0 auto;
    padding: 120px 40px;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 80px;
    align-items: center;
}

.feature-section.reverse {
    grid-template-columns: 0.9fr 1.1fr;
}

.feature-section.reverse .feature-image {
    order: 2;
}

.feature-section.reverse .feature-text {
    order: 1;
}

.feature-image img {
    width: 100%;
    height: auto;
}

.feature-text {
    max-width: 520px;
}

.feature-text h2,
.future-section h2,
.download-section h2 {
    font-size: clamp(34px, 4vw, 60px);
    line-height: 1;
    letter-spacing: -0.04em;
    font-weight: 500;
    margin-bottom: 28px;
}

.feature-text p {
    font-size: 18px;
    color: #8a8175;
    margin-bottom: 18px;
}

/* FUTURE */

.future-section {
    position: relative;
    min-height: 560px;
    margin-top: 60px;
    background:
    linear-gradient(rgba(0,0,0,0.35), rgba(0,0,0,0.72)),
    url("../assets/images/home-final-artwork.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.future-overlay {
    max-width: 720px;
    margin-left: calc((100vw - 1280px) / 2);
    padding: 0 40px;
}

.future-overlay p:last-child {
    max-width: 560px;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.76);
}

/* DOWNLOAD */

.download-section {
    max-width: 860px;
    margin: 0 auto;
    padding: 150px 40px;
    text-align: center;
}

.download-section p {
    font-size: 20px;
    color: #8a8175;
    margin-bottom: 34px;
}

/* FOOTER */

.site-footer {
    max-width: 1280px;
    margin: 0 auto;
    padding: 44px 40px;
    border-top: 1px solid #e6e1d9;
    display: flex;
    justify-content: space-between;
    gap: 24px;
    color: #666666;
    font-size: 13px;
}

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

.footer-links a:hover {
    color: #111111;
}

/* MOBILE */

@media (max-width: 800px) {
    
    .header-container {
        padding: 18px 22px;
    }
    .main-nav {
        gap: 18px;
        font-size: 11px;
    }
    .logo span {
        color: #111111;
    }
    .hero-content,
    .future-overlay {
        margin-left: 0;
        padding: 0 24px;
    }
    .feature-section,
    .feature-section.reverse {
        grid-template-columns: 1fr;
        padding: 80px 24px;
        gap: 34px;
    }
    .feature-section.reverse .feature-image,
    .feature-section.reverse .feature-text {
        order: initial;
    }
    
    .hero-image {
        object-position: 70% center;
    }
    
    
    .site-footer {
        flex-direction: column;
        padding: 34px 24px;
    }
    
}

/* ========================================
   HELP CENTER
======================================== */

.doc-hero {
    padding: 180px 40px 80px;
}

.doc-container {
    max-width: 980px;
    margin: 0 auto;
}

.doc-hero h1 {
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 28px;
}

.doc-intro {
    max-width: 720px;
    font-size: 20px;
    line-height: 1.8;
    color: #666666;
}

@media (max-width: 800px) {

    .doc-hero {
        padding: 140px 24px 60px;
    }

    .doc-list {
        padding-left: 24px;
        padding-right: 24px;
    }

    .help-footer-section {
        padding: 0 24px 80px;
    }

    .help-links {
        flex-direction: column;
    }

}

/* GUIDE LIST */

.doc-list {
    padding-bottom: 120px;
}

.doc-item {
    display: block;
    padding: 42px 0;
    border-top: 1px solid #e6e1d9;
    transition: 0.2s ease;
}

.doc-item:last-child {
    border-bottom: 1px solid #e6e1d9;
}

.doc-item:hover {
    padding-left: 12px;
}

.doc-item h2 {
    font-size: 32px;
    font-weight: 400;
    margin-bottom: 12px;
    color: #111111;
}

.doc-item p {
    max-width: 700px;
    font-size: 18px;
    color: #666666;
    margin-bottom: 12px;
}

.doc-item span {
    font-size: 14px;
    letter-spacing: 0.05em;
    color: #8a8175;
}

/* NEED MORE HELP */

.help-footer-section {
    padding: 0 40px 120px;
}

.help-footer-section h2 {
    font-size: 42px;
    font-weight: 300;
    margin-bottom: 20px;
}

.help-footer-section p {
    max-width: 720px;
    color: #666666;
    margin-bottom: 32px;
}

.help-links {
    display: flex;
    gap: 16px;
}

/* MOBILE */

@media (max-width: 800px) {
    
    .doc-hero {
        padding: 140px 24px 60px;
    }
    
    .help-footer-section {
        padding: 0 24px 80px;
    }
    
    .help-links {
        flex-direction: column;
    }
    
}

/* ========================================
   DOCUMENT ARTICLE PAGES
======================================== */

.article-hero {
    padding: 180px 40px 60px;
}

.article-container {
    max-width: 980px;
    margin: 0 auto;
}

.article-hero h1 {
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.article-intro {
    max-width: 700px;
    font-size: 20px;
    line-height: 1.8;
    color: #666666;
}

.article-content {
    padding-bottom: 120px;
}

.article-content h2 {
    margin-top: 72px;
    margin-bottom: 24px;
    font-size: 38px;
    font-weight: 300;
    line-height: 1.1;
    color: #111111;
}

.article-content h3 {
    margin-top: 32px;
    margin-bottom: 12px;
    font-size: 24px;
    font-weight: 400;
    color: #111111;
}

.article-content p {
    margin-bottom: 20px;
    font-size: 18px;
    line-height: 1.8;
    color: #666666;
}

.article-content ul,
.article-content ol {
    margin-bottom: 24px;
    margin-left: 24px;
}

.article-content li {
    margin-bottom: 10px;
    font-size: 18px;
    line-height: 1.8;
    color: #666666;
}

.article-page {
    padding: 180px 0 100px;
}

/* MOBILE */

@media (max-width: 800px) {

    .article-hero {
        padding: 140px 24px 50px;
    }

    .article-content h2 {
        margin-top: 56px;
        font-size: 30px;
    }

    .article-content h3 {
        font-size: 22px;
    }
    
    .article-page {
        padding: 140px 24px 80px;
    }

}

/* ========================================
  GUIDE ARTICLE LAYOUT WITH SIDEBAR
======================================== */

.guide-layout {
    max-width: 1280px;
    margin: 0 auto;
    padding: 170px 40px 120px;
    display: grid;
    grid-template-columns: 240px minmax(0, 860px);
    gap: 80px;
}

.guide-sidebar {
    position: sticky;
    top: 110px;
    align-self: start;
}

.guide-sidebar-title {
    font-size: 13px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #8a8175;
    margin-bottom: 22px;
}

.guide-sidebar-nav {
    display: flex;
    flex-direction: column;
    border-top: 1px solid #e6e1d9;
}

.guide-sidebar-nav a {
    padding: 14px 0;
    border-bottom: 1px solid #e6e1d9;
    font-size: 15px;
    color: #666666;
}

.guide-sidebar-nav a:hover,
.guide-sidebar-nav a.active {
    color: #111111;
}

.guide-sidebar-nav a.active {
    font-weight: 500;
}

.breadcrumb {
    font-size: 14px;
    color: #8a8175;
    margin-bottom: 36px;
}

.breadcrumb a:hover {
    color: #111111;
}

.article-header h1 {
    font-size: clamp(42px, 5vw, 72px);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

/* MOBILE GUIDE LAYOUT */

@media (max-width: 900px) {

    .guide-layout {
        grid-template-columns: 1fr;
        gap: 50px;
        padding: 140px 24px 90px;
    }

    .guide-sidebar {
        position: static;
    }

    .guide-sidebar-nav {
        display: grid;
        grid-template-columns: 1fr 1fr;
        column-gap: 24px;
    }

    .guide-article {
        width: 100%;
    }

}