:root {
--bg: #0e0c1a;
--bg2: #15122b;
--bg3: #1e1a38;
--surface: #241f42;
--surface2: #2d2760;
--accent1: #c084fc;
--accent2: #818cf8;
--accent3: #38bdf8;
--accent4: #fb7185;
--accent5: #34d399;
--text: #f0eeff;
--text2: #a99fc2;
--text3: #6b6387;
--border: rgba(192,132,252,0.15);
--border2: rgba(192,132,252,0.28);
--card-shadow: 0 4px 40px rgba(0,0,0,0.45);
--glow: 0 0 60px rgba(192,132,252,0.08);
}
[data-theme="light"] {
--bg: #faf8ff;
--bg2: #f0ecff;
--bg3: #e8e2ff;
--surface: #ffffff;
--surface2: #f5f2ff;
--accent1: #7c3aed;
--accent2: #4f46e5;
--accent3: #0284c7;
--accent4: #e11d48;
--accent5: #059669;
--text: #1a1535;
--text2: #4a4265;
--text3: #8878a8;
--border: rgba(124,58,237,0.12);
--border2: rgba(124,58,237,0.25);
--card-shadow: 0 4px 24px rgba(124,58,237,0.08);
--glow: none;
}
[data-theme="sunset"] {
--bg: #1a0a0a;
--bg2: #2a1010;
--bg3: #3a1818;
--surface: #2e1515;
--surface2: #3d1e1e;
--accent1: #fb923c;
--accent2: #f472b6;
--accent3: #fbbf24;
--accent4: #f43f5e;
--accent5: #a78bfa;
--text: #fff7ed;
--text2: #c4a07a;
--text3: #7a5038;
--border: rgba(251,146,60,0.15);
--border2: rgba(251,146,60,0.3);
--card-shadow: 0 4px 40px rgba(0,0,0,0.5);
--glow: 0 0 60px rgba(251,146,60,0.07);
}
[data-theme="forest"] {
--bg: #070e0a;
--bg2: #0d1a10;
--bg3: #142a18;
--surface: #162b1a;
--surface2: #1e3d24;
--accent1: #4ade80;
--accent2: #34d399;
--accent3: #a3e635;
--accent4: #fbbf24;
--accent5: #67e8f9;
--text: #f0fff4;
--text2: #86b898;
--text3: #3d6649;
--border: rgba(74,222,128,0.13);
--border2: rgba(74,222,128,0.28);
--card-shadow: 0 4px 40px rgba(0,0,0,0.5);
--glow: 0 0 60px rgba(74,222,128,0.07);
}

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

html { scroll-behavior: smooth; }

body {
background: var(--bg);
color: var(--text);
font-family: 'DM Sans', sans-serif;
font-size: 16px;
line-height: 1.6;
min-height: 100vh;
transition: background 0.4s, color 0.4s;
}

/* Noise texture overlay */
body::before {
content: '';
position: fixed;
inset: 0;
background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
pointer-events: none;
z-index: 0;
opacity: 0.6;
}

/* Orb backgrounds */
.orb {
position: fixed;
border-radius: 50%;
pointer-events: none;
z-index: 0;
filter: blur(90px);
opacity: 0.12;
}
.orb1 { width: 500px; height: 500px; background: var(--accent1); top: -100px; left: -100px; }
.orb2 { width: 400px; height: 400px; background: var(--accent2); bottom: -80px; right: -80px; }
.orb3 { width: 300px; height: 300px; background: var(--accent3); top: 40%; left: 55%; }

/* ---- NAV ---- */
nav {
position: sticky;
top: 0;
z-index: 100;
display: flex;
align-items: center;
justify-content: space-between;
padding: 1rem 2.5rem;
background: rgba(14,12,26,0.75);
backdrop-filter: blur(18px);
border-bottom: 1px solid var(--border);
transition: background 0.4s;
}
[data-theme="light"] nav { background: rgba(250,248,255,0.82); }
[data-theme="sunset"] nav { background: rgba(26,10,10,0.82); }
[data-theme="forest"] nav { background: rgba(7,14,10,0.82); }

.nav-logo {
font-family: 'Playfair Display', serif;
font-size: 1.6rem;
font-weight: 900;
letter-spacing: -0.02em;
color: var(--accent1);
text-decoration: none;
position: relative;
}
.nav-logo span { color: var(--text); }

.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a {
text-decoration: none;
color: var(--text2);
font-size: 0.9rem;
font-weight: 500;
letter-spacing: 0.03em;
transition: color 0.2s;
}
.nav-links a:hover { color: var(--accent1); }

.nav-right { display: flex; align-items: center; gap: 1rem; }

/* Theme switcher */
.theme-switcher { display: flex; gap: 6px; align-items: center; }
.theme-btn {
width: 22px; height: 22px;
border-radius: 50%;
border: 2px solid transparent;
cursor: pointer;
transition: border-color 0.2s, transform 0.2s;
}
.theme-btn:hover { transform: scale(1.2); }
.theme-btn.active { border-color: var(--text); }
.theme-btn[data-t="dark"]  { background: linear-gradient(135deg, #c084fc, #818cf8); }
.theme-btn[data-t="light"] { background: linear-gradient(135deg, #a855f7, #6366f1); }
.theme-btn[data-t="sunset"]{ background: linear-gradient(135deg, #fb923c, #f472b6); }
.theme-btn[data-t="forest"]{ background: linear-gradient(135deg, #4ade80, #34d399); }

.search-wrap { position: relative; }
.search-wrap input {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 999px;
color: var(--text);
font-family: 'DM Sans', sans-serif;
font-size: 0.85rem;
padding: 0.45rem 1rem 0.45rem 2.2rem;
width: 200px;
transition: border-color 0.2s, width 0.3s;
outline: none;
}
.search-wrap input:focus { border-color: var(--accent1); width: 240px; }
.search-wrap input::placeholder { color: var(--text3); }
.search-icon {
position: absolute;
left: 0.7rem;
top: 50%;
transform: translateY(-50%);
color: var(--text3);
font-size: 0.8rem;
pointer-events: none;
}

/* ---- HERO ---- */
.hero {
position: relative;
z-index: 1;
text-align: center;
padding: 6rem 2rem 5rem;
overflow: hidden;
}
.hero-eyebrow {
font-family: 'DM Mono', monospace;
font-size: 0.75rem;
letter-spacing: 0.2em;
text-transform: uppercase;
color: var(--accent1);
margin-bottom: 1.2rem;
opacity: 0;
animation: fadeUp 0.6s ease forwards 0.1s;
}
.hero h1 {
font-family: 'Playfair Display', serif;
font-size: clamp(3rem, 7vw, 6rem);
font-weight: 900;
line-height: 1.08;
letter-spacing: -0.03em;
color: var(--text);
max-width: 900px;
margin: 0 auto 1.5rem;
opacity: 0;
animation: fadeUp 0.7s ease forwards 0.25s;
}
.hero h1 em {
font-style: italic;
color: var(--accent1);
}
.hero-sub {
color: var(--text2);
font-size: 1.1rem;
max-width: 500px;
margin: 0 auto 2.5rem;
font-weight: 300;
opacity: 0;
animation: fadeUp 0.7s ease forwards 0.4s;
}
.hero-cta {
display: inline-flex;
gap: 1rem;
flex-wrap: wrap;
justify-content: center;
opacity: 0;
animation: fadeUp 0.7s ease forwards 0.55s;
}
.btn {
display: inline-block;
padding: 0.75rem 1.8rem;
border-radius: 999px;
font-size: 0.9rem;
font-weight: 500;
cursor: pointer;
text-decoration: none;
border: none;
transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
background: var(--accent1);
color: #0e0c1a;
}
.btn-primary:hover { box-shadow: 0 8px 30px rgba(192,132,252,0.4); }
.btn-ghost {
background: transparent;
border: 1px solid var(--border2);
color: var(--text);
}
.btn-ghost:hover { background: var(--surface); }

/* Divider wave */
.wave-divider { position: relative; z-index: 1; line-height: 0; }
.wave-divider svg { display: block; width: 100%; }

/* ---- FEATURED ---- */
.section {
position: relative;
z-index: 1;
max-width: 1200px;
margin: 0 auto;
padding: 4rem 2rem;
}
.section-header {
display: flex;
align-items: baseline;
justify-content: space-between;
margin-bottom: 2.5rem;
border-bottom: 1px solid var(--border);
padding-bottom: 1rem;
}
.section-title {
font-family: 'Playfair Display', serif;
font-size: 1.8rem;
font-weight: 700;
letter-spacing: -0.02em;
}
.section-title span { color: var(--accent1); }
.see-all {
font-size: 0.85rem;
color: var(--accent1);
text-decoration: none;
font-weight: 500;
letter-spacing: 0.02em;
transition: opacity 0.2s;
cursor: pointer;
background: none;
border: none;
}
.see-all:hover { opacity: 0.7; }

/* Featured card */
.featured-grid {
display: grid;
grid-template-columns: 1.6fr 1fr;
grid-template-rows: auto auto;
gap: 1.5rem;
}
@media (max-width: 768px) { .featured-grid { grid-template-columns: 1fr; } }

.card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 16px;
overflow: hidden;
cursor: pointer;
transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
position: relative;
box-shadow: var(--card-shadow);
}
.card:hover {
transform: translateY(-4px);
border-color: var(--border2);
box-shadow: var(--card-shadow), var(--glow);
}

.card-hero {
grid-row: span 2;
}

.card-image {
width: 100%;
aspect-ratio: 16/9;
object-fit: cover;
display: block;
background: var(--bg3);
}

/* SVG-based placeholder images */
.card-img-placeholder {
width: 100%;
aspect-ratio: 16/9;
display: flex;
align-items: center;
justify-content: center;
font-size: 3rem;
position: relative;
overflow: hidden;
}
.card-hero .card-img-placeholder { aspect-ratio: 4/3; }

.card-body { padding: 1.5rem; }
.card-hero .card-body { padding: 2rem; }

.card-tag {
display: inline-block;
font-family: 'DM Mono', monospace;
font-size: 0.68rem;
letter-spacing: 0.12em;
text-transform: uppercase;
padding: 0.25rem 0.7rem;
border-radius: 999px;
margin-bottom: 0.8rem;
font-weight: 500;
}
.tag-tech    { background: rgba(129,140,248,0.15); color: var(--accent2); border: 1px solid rgba(129,140,248,0.25); }
.tag-design  { background: rgba(192,132,252,0.15); color: var(--accent1); border: 1px solid rgba(192,132,252,0.25); }
.tag-science { background: rgba(56,189,248,0.15);  color: var(--accent3); border: 1px solid rgba(56,189,248,0.25); }
.tag-culture { background: rgba(251,113,133,0.15); color: var(--accent4); border: 1px solid rgba(251,113,133,0.25); }
.tag-nature  { background: rgba(52,211,153,0.15);  color: var(--accent5); border: 1px solid rgba(52,211,153,0.25); }

.card-title {
font-family: 'Playfair Display', serif;
font-size: 1.25rem;
font-weight: 700;
line-height: 1.25;
color: var(--text);
margin-bottom: 0.6rem;
}
.card-hero .card-title { font-size: 1.75rem; }

.card-excerpt {
color: var(--text2);
font-size: 0.9rem;
line-height: 1.6;
margin-bottom: 1.2rem;
font-weight: 300;
}

.card-meta {
display: flex;
align-items: center;
gap: 0.8rem;
font-size: 0.78rem;
color: var(--text3);
}
.meta-avatar {
width: 28px; height: 28px;
border-radius: 50%;
object-fit: cover;
background: var(--surface2);
display: flex;
align-items: center;
justify-content: center;
font-size: 0.7rem;
font-weight: 700;
color: var(--accent1);
flex-shrink: 0;
border: 1px solid var(--border2);
}
.meta-dot { color: var(--text3); }
.meta-read { color: var(--accent5); font-family: 'DM Mono', monospace; font-size: 0.72rem; }

/* ---- ALL POSTS GRID ---- */
.posts-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
gap: 1.5rem;
}

.card-small .card-img-placeholder {
aspect-ratio: 16/7;
font-size: 2rem;
}
.card-small .card-body { padding: 1.2rem; }
.card-small .card-title { font-size: 1.05rem; }

/* ---- TAGS CLOUD ---- */
.tags-section {
position: relative;
z-index: 1;
background: var(--bg2);
border-top: 1px solid var(--border);
border-bottom: 1px solid var(--border);
}
.tags-inner {
max-width: 1200px;
margin: 0 auto;
padding: 2.5rem 2rem;
}
.tags-label {
font-family: 'DM Mono', monospace;
font-size: 0.72rem;
letter-spacing: 0.18em;
text-transform: uppercase;
color: var(--text3);
margin-bottom: 1rem;
}
.tags-cloud { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.cloud-tag {
padding: 0.4rem 1rem;
border-radius: 999px;
border: 1px solid var(--border);
font-size: 0.85rem;
color: var(--text2);
cursor: pointer;
transition: all 0.2s;
background: var(--surface);
font-weight: 500;
}
.cloud-tag:hover {
border-color: var(--accent1);
color: var(--accent1);
background: rgba(192,132,252,0.06);
transform: translateY(-2px);
}
.cloud-tag.active {
border-color: var(--accent1);
color: var(--accent1);
background: rgba(192,132,252,0.12);
}

/* ---- NEWSLETTER ---- */
.newsletter {
position: relative;
z-index: 1;
max-width: 1200px;
margin: 0 auto;
padding: 2rem 2rem 5rem;
}
.newsletter-card {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 24px;
padding: 4rem;
text-align: center;
position: relative;
overflow: hidden;
}
.newsletter-card::before {
content: '';
position: absolute;
top: -60px; left: 50%;
transform: translateX(-50%);
width: 300px; height: 300px;
background: var(--accent1);
border-radius: 50%;
filter: blur(80px);
opacity: 0.08;
pointer-events: none;
}
.newsletter-card h2 {
font-family: 'Playfair Display', serif;
font-size: 2.4rem;
font-weight: 900;
letter-spacing: -0.02em;
margin-bottom: 0.8rem;
}
.newsletter-card p { color: var(--text2); font-weight: 300; margin-bottom: 2rem; }
.nl-form { display: flex; gap: 0.8rem; max-width: 420px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.nl-input {
flex: 1;
min-width: 200px;
background: var(--bg);
border: 1px solid var(--border2);
border-radius: 999px;
color: var(--text);
font-family: 'DM Sans', sans-serif;
font-size: 0.9rem;
padding: 0.7rem 1.4rem;
outline: none;
transition: border-color 0.2s;
}
.nl-input:focus { border-color: var(--accent1); }
.nl-input::placeholder { color: var(--text3); }

/* ---- SIDEBAR LAYOUT ---- */
.main-layout {
display: grid;
grid-template-columns: 1fr 280px;
gap: 3rem;
max-width: 1200px;
margin: 0 auto;
padding: 0 2rem 4rem;
}
@media (max-width: 900px) { .main-layout { grid-template-columns: 1fr; } }

.sidebar { position: relative; }
.sidebar-sticky { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 2rem; }

.sidebar-widget {
background: var(--surface);
border: 1px solid var(--border);
border-radius: 16px;
padding: 1.5rem;
}
.widget-title {
font-family: 'Playfair Display', serif;
font-size: 1.1rem;
font-weight: 700;
margin-bottom: 1.2rem;
padding-bottom: 0.8rem;
border-bottom: 1px solid var(--border);
}

.trending-list { display: flex; flex-direction: column; gap: 1rem; }
.trending-item { display: flex; gap: 0.8rem; align-items: flex-start; cursor: pointer; }
.trending-num {
font-family: 'Playfair Display', serif;
font-size: 1.5rem;
font-weight: 900;
color: var(--border2);
line-height: 1;
min-width: 24px;
transition: color 0.2s;
}
.trending-item:hover .trending-num { color: var(--accent1); }
.trending-info {}
.trending-tag {
font-family: 'DM Mono', monospace;
font-size: 0.65rem;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--text3);
margin-bottom: 0.2rem;
}
.trending-title {
font-size: 0.88rem;
font-weight: 500;
color: var(--text);
line-height: 1.3;
transition: color 0.2s;
}
.trending-item:hover .trending-title { color: var(--accent1); }

/* ---- TOAST ---- */
.toast {
position: fixed;
bottom: 2rem;
right: 2rem;
background: var(--surface2);
border: 1px solid var(--border2);
border-radius: 12px;
padding: 0.8rem 1.5rem;
font-size: 0.88rem;
color: var(--text);
z-index: 999;
transform: translateY(100px);
opacity: 0;
transition: all 0.4s cubic-bezier(.68,-.55,.27,1.55);
backdrop-filter: blur(12px);
display: flex;
align-items: center;
gap: 0.6rem;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast-icon { color: var(--accent5); font-size: 1rem; }

/* ---- FOOTER ---- */
footer {
position: relative;
z-index: 1;
border-top: 1px solid var(--border);
background: var(--bg2);
padding: 3rem 2rem 2rem;
}
.footer-inner {
max-width: 1200px;
margin: 0 auto;
display: grid;
grid-template-columns: 1.5fr 1fr 1fr 1fr;
gap: 2rem;
margin-bottom: 3rem;
}
@media (max-width: 700px) {
.footer-inner { grid-template-columns: 1fr 1fr; }
.footer-brand { grid-column: span 2; }
}
.footer-logo {
font-family: 'Playfair Display', serif;
font-size: 1.4rem;
font-weight: 900;
color: var(--accent1);
margin-bottom: 0.6rem;
}
.footer-desc { color: var(--text2); font-size: 0.88rem; font-weight: 300; line-height: 1.6; }
.footer-col h4 { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); margin-bottom: 1rem; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; }
.footer-col ul a { font-size: 0.9rem; color: var(--text2); text-decoration: none; transition: color 0.2s; }
.footer-col ul a:hover { color: var(--accent1); }
.footer-bottom {
max-width: 1200px;
margin: 0 auto;
padding-top: 2rem;
border-top: 1px solid var(--border);
display: flex;
justify-content: space-between;
align-items: center;
font-size: 0.82rem;
color: var(--text3);
flex-wrap: wrap;
gap: 1rem;
}

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
from { opacity: 0; transform: translateY(24px); }
to   { opacity: 1; transform: translateY(0); }
}
.reveal {
opacity: 0;
transform: translateY(20px);
transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* Reading progress bar */
.progress-bar {
position: fixed;
top: 0;
left: 0;
height: 2px;
background: linear-gradient(90deg, var(--accent1), var(--accent2));
z-index: 200;
transition: width 0.1s linear;
width: 0%;
}

/* Post modal */
.modal-overlay {
display: none;
position: fixed;
inset: 0;
background: rgba(0,0,0,0.7);
z-index: 300;
align-items: center;
justify-content: center;
padding: 1rem;
backdrop-filter: blur(6px);
}
.modal-overlay.open { display: flex; }
.modal {
background: var(--bg);
border: 1px solid var(--border2);
border-radius: 20px;
max-width: 680px;
width: 100%;
max-height: 85vh;
overflow-y: auto;
position: relative;
animation: fadeUp 0.3s ease;
padding: 3rem;
}
.modal::-webkit-scrollbar { width: 4px; }
.modal::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 99px; }
.modal-close {
position: absolute;
top: 1.2rem; right: 1.2rem;
background: var(--surface);
border: 1px solid var(--border);
border-radius: 50%;
width: 32px; height: 32px;
display: flex; align-items: center; justify-content: center;
cursor: pointer;
color: var(--text2);
font-size: 1rem;
transition: background 0.2s, color 0.2s;
}
.modal-close:hover { background: var(--surface2); color: var(--text); }
.modal-tag { margin-bottom: 1rem; }
.modal h2 {
font-family: 'Playfair Display', serif;
font-size: 2rem;
font-weight: 900;
line-height: 1.2;
margin-bottom: 1rem;
letter-spacing: -0.02em;
}
.modal-meta { color: var(--text3); font-size: 0.85rem; margin-bottom: 2rem; display: flex; gap: 1rem; flex-wrap: wrap; }
.modal-body { color: var(--text2); font-size: 0.95rem; line-height: 1.8; font-weight: 300; }
.modal-body p { margin-bottom: 1.2rem; }
.modal-body p:last-child { margin-bottom: 0; }