/* --- CSS VARIABLES & RESET --- */
:root {
    --primary-pink: #ff007a;
    --primary-pink-hover: #e6006e;
    --text-dark: #111111;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-light: #f9f9f9;
    --bg-pink-light: #fff0f6;
    --bg-dark: #1a1a1a;
    --border-color: #eaeaea;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.2s ease-in-out;
}

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

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    background-color: #ffffff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- TYPOGRAPHY & UTILITIES --- */
h1 { font-size: 4rem; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 24px; font-weight: 700; }
h2 { font-size: 2.5rem; line-height: 1.2; letter-spacing: -0.01em; margin-bottom: 16px; font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 8px; }
p { color: var(--text-gray); margin-bottom: 16px; }

.text-pink { color: var(--primary-pink); }
.pink-icon { color: var(--primary-pink); }
.mt-16 { margin-top: 16px; }

.section-label {
    color: var(--primary-pink);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.dark-label { color: #888; letter-spacing: 0.05em; }

.badge {
    display: inline-flex;
    align-items: center;
    background-color: var(--bg-pink-light);
    color: var(--primary-pink);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary { background-color: var(--primary-pink); color: white; }
.btn-primary:hover { background-color: var(--primary-pink-hover); }

.btn-outline {
    background-color: transparent;
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}
.btn-outline:hover { border-color: var(--text-dark); }

.btn-dark { background-color: var(--text-dark); color: white; }
.btn-dark:hover { background-color: #000; }

.link-arrow {
    color: var(--primary-pink);
    font-weight: 600;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.link-arrow:hover { text-decoration: underline; }

/* --- NAVBAR --- */
header {
    padding: 24px 0;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon { color: var(--primary-pink); font-size: 1.5rem; }

.nav-links {
    display: flex;
    gap: 32px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-gray);
}

.nav-links a:hover { color: var(--text-dark); }

.nav-btn {
    padding: 10px 20px;
    font-size: 0.9rem;
}

/* --- HERO SECTION --- */
.hero {
    padding: 80px 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content p {
    font-size: 1.1rem;
    max-width: 90%;
    margin-bottom: 32px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.hero-disclaimer {
    font-size: 0.8rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 16px;
}

.hero-footnote {
    font-size: 0.75rem;
    margin-top: 16px;
    color: #999;
}

.hero-card {
    background-color: var(--bg-pink-light);
    border-radius: 24px;
    padding: 32px;
    border: 1px solid #ffe0eb;
}

.hero-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.hero-card-header h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-gray);
}

.hero-card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.hero-card-item {
    background: white;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.hero-card-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--bg-pink-light);
    color: var(--primary-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: bold;
    flex-shrink: 0;
}

.hero-card-item h5 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.hero-card-item p {
    font-size: 0.8rem;
    margin: 0;
}

.hero-card-footer {
    margin-top: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* --- LATEST GUIDES --- */
.latest-guides {
    padding: 80px 0;
    border-top: 1px solid var(--border-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
}

.section-header p {
    max-width: 300px;
    text-align: right;
    font-size: 0.9rem;
    margin: 0;
}

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

.guide-card {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
}

.guide-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: #ddd;
}

.guide-tag {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-gray);
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    font-weight: 600;
}

.guide-card h3 { margin-bottom: 12px; font-size: 1.3rem; }
.guide-card p { font-size: 0.9rem; flex-grow: 1; margin-bottom: 24px; }

/* --- UNISWAP 101 --- */
.uniswap-101 {
    padding: 80px 0;
    background-color: #fafafa;
}

.uniswap-101 .container { max-width: 800px; }
.uniswap-101 h2 { margin-bottom: 32px; }
.uniswap-101 p { margin-bottom: 24px; font-size: 1.05rem; }

/* --- HOW SWAPS WORK (DARK) --- */
.how-swaps {
    background-color: var(--bg-dark);
    color: white;
    padding: 100px 0;
}

.how-swaps h2 { color: white; }
.how-swaps p { color: #aaa; max-width: 600px; margin-bottom: 48px;}

.swaps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.swap-card {
    background-color: #2a2a2a;
    padding: 24px;
    border-radius: var(--border-radius-sm);
}

.swap-card h4 { font-size: 1rem; margin-bottom: 12px; }
.swap-card p { font-size: 0.85rem; margin: 0; color: #999; line-height: 1.5; }

/* --- SECURITY CHECKLIST --- */
.security { padding: 100px 0; }

.security-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
    justify-content: center;
}

.security-header h2 { margin: 0; }
.large-icon { font-size: 1.5rem; }

.checklist-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    max-width: 900px;
    margin: 0 auto;
}

.checklist-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    padding: 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.check-icon {
    color: var(--primary-pink);
    font-size: 1.2rem;
    margin-top: 2px;
}

.checklist-item p { margin: 0; font-size: 0.95rem; color: var(--text-dark); }
.security-footnote { text-align: center; font-size: 0.8rem; margin-top: 32px; color: #999; }

/* --- FAQ --- */
.faq {
    padding: 100px 0;
    background-color: var(--bg-light);
}

.faq h2 { text-align: center; margin-bottom: 48px; }
.faq-container { max-width: 800px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid var(--border-color); }

.faq-question {
    width: 100%;
    text-align: left;
    padding: 24px 0;
    background: none;
    border: none;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-dark);
}

.faq-question:hover { color: var(--primary-pink); }
.faq-icon { transition: transform 0.3s ease; }
.faq-item.active .faq-icon { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-gray);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 24px;
}

.faq-cta {
    background-color: var(--bg-pink-light);
    text-align: center;
    padding: 60px;
    border-radius: var(--border-radius);
    margin-top: 60px;
}

.faq-cta h3 { font-size: 1.5rem; margin-bottom: 12px; }
.faq-cta p { font-size: 0.9rem; margin-bottom: 24px; }

/* --- 20 PRACTICAL GUIDES --- */
.all-guides { padding: 100px 0; }
.all-guides-header { margin-bottom: 48px; }
.all-guides-header p { max-width: 600px; }

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

/* --- FOOTER --- */
footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0 40px;
    background-color: #ffffff;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr 1fr;
    gap: 24px;
    margin-bottom: 60px;
}

.brand-col p {
    font-size: 0.75rem;
    color: #999;
    max-width: 200px;
}

.footer-logo { margin-bottom: 16px; }
.footer-logo .logo-icon { font-size: 1.2rem; }

.footer-col h5 {
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { font-size: 0.85rem; color: var(--text-gray); }
.footer-col a:hover { color: var(--primary-pink); }

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-light);
}

.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a:hover { color: var(--text-dark); }

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    h1 { font-size: 3rem; }
    .hero { grid-template-columns: 1fr; gap: 40px; }
    .guides-grid, .guides-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .swaps-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .nav-links { display: none; }
    .section-header { flex-direction: column; align-items: flex-start; gap: 16px; }
    .section-header p { text-align: left; }
    .guides-grid, .guides-grid-3, .checklist-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}