:root {
    --bg: #FFF8F6;
    --bg2: #FFF1ED;
    --bg3: #FCEAE5;
    --surface: #FFFFFF;
    --surface-high: #F7E4DF;
    --surface-highest: #F1DFDA;
    --text: #231917;
    --text2: #53433E;
    --text3: #85736E;
    --accent: #984827;
    --accent2: #7A3212;
    --accent-light: rgba(152, 72, 39, 0.1);
    --accent-container: #FFDBD0;
    --accent-on: #3A0B00;
    --secondary: #77574E;
    --secondary-container: #FFDBD0;
    --outline: #D8C2BB;
    --green: #4caf50;
    --radius: 20px;
    --radius-lg: 2rem;
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
    --shadow: 0 4px 12px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.1), 0 4px 12px rgba(0,0,0,0.06);
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    background-image:
        radial-gradient(at 10% 0%, rgba(152,72,39,0.08) 0px, transparent 50%),
        radial-gradient(at 90% 10%, rgba(119,87,78,0.06) 0px, transparent 50%),
        radial-gradient(at 50% 90%, rgba(152,72,39,0.04) 0px, transparent 50%);
}

a { color: var(--accent); text-decoration: none; transition: all 0.2s; }
a:hover { color: var(--accent2); }

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

/* NOISE OVERLAY */
.noise {
    position: fixed; inset: 0; z-index: 0; opacity: 0.3; pointer-events: none;
    mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* NAV */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 16px 24px;
}
.nav-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    background: rgba(255,255,255,0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.8);
    border-radius: 100px;
    padding: 8px 12px 8px 20px;
    box-shadow: var(--shadow-sm);
}
.nav-logo {
    font-size: 1.15rem; font-weight: 800; color: var(--accent);
    display: flex; align-items: center; gap: 12px;
    font-family: var(--font-display);
    border-bottom: none;
}
.nav-logo-img {
    width: 40px; height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--surface);
    box-shadow: var(--shadow-sm);
}
.nav-links { display: flex; gap: 8px; align-items: center; }
.nav-links a {
    color: var(--text2); font-size: 0.9rem; border-bottom: none; font-weight: 600;
    padding: 10px 20px; border-radius: 100px; transition: all 0.2s;
}
.nav-links a:hover { color: var(--text); background: rgba(0,0,0,0.04); }

/* BUTTONS */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 12px 28px;
    border-radius: 100px;
    font-size: 0.95rem; font-weight: 700;
    transition: all 0.25s; cursor: pointer;
    border: none;
    text-decoration: none;
    font-family: var(--font);
    position: relative; overflow: hidden;
}
.btn::after {
    content: ''; position: absolute; inset: 0; background: currentColor; opacity: 0;
    transition: opacity 0.2s; pointer-events: none; border-radius: inherit;
}
.btn:hover::after { opacity: 0.08; }
.btn:active::after { opacity: 0.12; }

.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1rem; }

.btn-primary {
    background: var(--accent); color: #fff;
    box-shadow: 0 2px 8px rgba(152,72,39,0.25);
}
.btn-primary:hover {
    background: var(--accent2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(152,72,39,0.3);
    color: #fff;
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
    background: var(--surface); color: var(--text);
    border: 1.5px solid var(--outline);
}
.btn-outline:hover {
    background: var(--bg2);
    border-color: var(--accent);
}

/* SVG ICON */
.icon {
    width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2;
    stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0;
}
.icon-sm { width: 18px; height: 18px; }
.icon-lg { width: 28px; height: 28px; }

/* HERO */
.hero {
    position: relative; padding: 160px 0 80px;
    min-height: calc(100vh - 200px);
    display: flex; align-items: center;
}
.hero-content {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
    position: relative; z-index: 1;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px 6px 12px;
    border-radius: 100px;
    background: var(--accent-container);
    color: var(--accent-on);
    font-size: 0.8rem; font-weight: 700;
    border: 1px solid rgba(152,72,39,0.15);
    margin-bottom: 24px;
}
.hero-badge .pulse {
    width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
    animation: pulse 2s ease infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero h1 {
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 900;
    font-family: var(--font-display);
    line-height: 1.05;
    letter-spacing: -1px;
    color: var(--text);
}
.hero h1 .accent { color: var(--accent); }
.hero-sub {
    font-size: 1.15rem; color: var(--text2);
    margin: 20px 0 40px; line-height: 1.7;
    font-weight: 500; max-width: 500px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
    display: flex; gap: 16px; margin-top: 48px;
}
.hero-stat {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 24px;
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}
.hero-stat-icon {
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 14px;
    background: var(--accent-light);
    color: var(--accent);
}
.hero-stat-icon .icon { width: 24px; height: 24px; }
.hero-stat-num {
    font-size: 1.5rem; font-weight: 900;
    font-family: var(--font-display);
    color: var(--text);
    line-height: 1;
}
.hero-stat-label {
    font-size: 0.7rem; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700;
}

/* HERO RIGHT — terminal card */
.hero-visual {
    display: flex; justify-content: center; align-items: center;
    position: relative;
}
.hero-visual::before {
    content: '';
    position: absolute;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(152,72,39,0.12) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}
.terminal-card {
    background: #1E1A19;
    border-radius: 24px;
    padding: 32px;
    width: 100%; max-width: 420px;
    box-shadow: 0 30px 60px -10px rgba(0,0,0,0.3), 0 10px 20px -5px rgba(0,0,0,0.2);
    position: relative; z-index: 1;
    color: #E8DFD8;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}
.terminal-dots {
    display: flex; gap: 8px; margin-bottom: 24px;
}
.terminal-dot {
    width: 12px; height: 12px; border-radius: 50%;
}
.terminal-dot.r { background: #FF5F57; }
.terminal-dot.y { background: #FEBC2E; }
.terminal-dot.g { background: #28C840; }

.terminal-line {
    font-size: 0.85rem; line-height: 1.8;
    color: #A89B94;
}
.terminal-line .label { color: #D4724E; font-weight: 600; }
.terminal-line .value { color: #E8DFD8; }
.terminal-line .dim { color: #6B5E57; }
.terminal-separator {
    border: none; border-top: 1px solid #3D322E; margin: 16px 0;
}
.terminal-cmd {
    color: #D4724E;
}
.terminal-cmd-desc {
    color: #8B7E77;
    font-size: 0.8rem;
}

/* FEATURES */
.features { padding: 100px 0; position: relative; z-index: 1; }
.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 900; text-align: center;
    margin-bottom: 16px;
    font-family: var(--font-display);
    color: var(--text);
    letter-spacing: -0.5px;
}
.section-desc {
    text-align: center; color: var(--text2);
    font-size: 1.1rem; font-weight: 500;
    max-width: 600px; margin: 0 auto 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}
.feature-card {
    background: var(--bg2);
    border: 1px solid rgba(216,194,187,0.5);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s;
    position: relative; overflow: hidden;
}
.feature-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.feature-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 16px;
    background: var(--accent-container);
    color: var(--accent-on);
    margin-bottom: 20px;
}
.feature-icon .icon { width: 28px; height: 28px; stroke: var(--accent); }
.feature-card h3 {
    font-size: 1.15rem; margin-bottom: 10px;
    font-weight: 700;
    font-family: var(--font-display);
}
.feature-card p { font-size: 0.95rem; color: var(--text2); line-height: 1.6; }

/* CHATS */
.chats { padding: 100px 0; position: relative; z-index: 1; }
.chats-sort {
    display: flex; gap: 8px; justify-content: center;
    margin-bottom: 48px;
}
.sort-btn {
    padding: 10px 24px;
    border-radius: 100px;
    background: var(--surface); color: var(--text2);
    border: 1.5px solid var(--outline);
    font-size: 0.85rem; cursor: pointer;
    transition: all 0.2s;
    font-family: var(--font);
    font-weight: 600;
}
.sort-btn:hover { background: var(--bg2); }
.sort-btn.active {
    background: var(--accent); color: #fff;
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(152,72,39,0.25);
}

.chats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.chat-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex; flex-direction: column; gap: 16px;
    transition: all 0.3s;
    cursor: pointer;
}
.chat-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: var(--accent);
}

.chat-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 12px;
}
.chat-title {
    font-size: 1.05rem; font-weight: 700;
    font-family: var(--font-display);
}
.chat-rank {
    font-size: 0.75rem; padding: 4px 12px;
    background: var(--accent-container); border-radius: 100px;
    color: var(--accent); font-weight: 700;
    white-space: nowrap;
}

.chat-stats {
    display: flex; gap: 10px; flex-wrap: wrap;
}
.chat-stat {
    font-size: 0.8rem; color: var(--text2);
    background: var(--bg2);
    padding: 6px 14px;
    border: 1px solid rgba(216,194,187,0.5);
    border-radius: 100px;
    display: flex; align-items: center; gap: 6px;
    font-weight: 500;
}
.chat-stat .dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--green);
}
.chat-stat strong { color: var(--text); font-weight: 700; }

.chat-analytics {
    background: var(--bg2);
    border: 1px solid rgba(216,194,187,0.5);
    border-radius: 16px;
    padding: 16px;
    display: none;
}
.chat-card.expanded .chat-analytics { display: block; }

.analytics-header {
    font-size: 0.7rem; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700;
    margin-bottom: 10px;
}

.hourly-chart {
    display: flex; gap: 2px; align-items: flex-end;
    height: 48px;
}
.hourly-bar {
    flex: 1;
    background: var(--accent);
    border-radius: 2px 2px 0 0;
    min-height: 2px;
    opacity: 0.6;
    transition: opacity 0.2s;
}
.hourly-bar:hover { opacity: 1; }

.top-users { display: flex; flex-direction: column; gap: 6px; }
.top-user {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.8rem;
}
.top-user-name { color: var(--text2); font-weight: 500; }
.top-user-count { color: var(--accent); font-weight: 700; font-family: var(--font-display); }

.chat-desc {
    font-size: 0.85rem; color: var(--text3); line-height: 1.5;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.chat-join {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 20px; border-radius: 100px;
    background: var(--accent); color: #fff;
    font-size: 0.85rem; font-weight: 700;
    transition: all 0.2s; text-decoration: none;
    align-self: flex-start;
    border: none;
    box-shadow: 0 2px 8px rgba(152,72,39,0.2);
}
.chat-join:hover {
    background: var(--accent2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(152,72,39,0.3);
    color: #fff;
}

.loading {
    text-align: center; padding: 60px 20px;
    color: var(--text3); font-size: 1rem;
    font-weight: 500;
}

/* ANALYTICS SECTION */
.analytics { padding: 100px 0; position: relative; z-index: 1; }

.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.analytics-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: var(--radius-lg);
    padding: 28px;
    display: flex; align-items: center; gap: 20px;
}
.analytics-card-icon {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 16px;
    background: var(--accent-light);
    color: var(--accent);
    flex-shrink: 0;
}
.analytics-card-icon .icon { width: 24px; height: 24px; }
.analytics-card h3 {
    font-size: 0.75rem; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.5px;
    font-weight: 700; margin-bottom: 4px;
}
.analytics-value {
    font-size: 1.8rem; font-weight: 900;
    font-family: var(--font-display);
    color: var(--text);
}
.analytics-sub {
    font-size: 0.8rem; color: var(--text3);
}

/* CTA */
.cta {
    padding: 100px 0; text-align: center;
    position: relative; z-index: 1;
}
.cta-card {
    background: var(--accent-container);
    border-radius: 3rem;
    padding: 80px 40px;
    position: relative; overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute; top: -40%; right: -20%;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(152,72,39,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.cta h2 {
    font-size: clamp(2rem, 4vw, 2.5rem); margin-bottom: 16px;
    font-weight: 900; font-family: var(--font-display);
    color: var(--accent-on);
    position: relative;
}
.cta p {
    color: rgba(58,11,0,0.7); margin-bottom: 36px; font-size: 1.1rem;
    font-weight: 500;
    position: relative;
}
.cta-support {
    margin-top: 28px; font-size: 0.9rem; color: rgba(58,11,0,0.5);
    font-weight: 500; position: relative;
}
.cta-support a { color: var(--accent); font-weight: 700; }

/* FOOTER */
.footer {
    padding: 48px 0;
    background: var(--surface);
    border-top: 1px solid var(--outline);
    border-radius: 2.5rem 2.5rem 0 0;
    position: relative; z-index: 1;
}
.footer-inner {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.9rem; color: var(--text3);
}
.footer-logo {
    width: 32px; height: 32px; border-radius: 50%;
    object-fit: cover; vertical-align: middle;
    margin-right: 10px;
    border: 1px solid var(--outline);
}
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text3); border-bottom: none; font-weight: 500; }
.footer-links a:hover { color: var(--accent); }

/* MODAL */
.modal-overlay {
    display: none;
    position: fixed; inset: 0; z-index: 200;
    background: rgba(35,25,23,0.5);
    backdrop-filter: blur(8px);
    align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 28px;
    padding: 36px;
    max-width: 600px; width: 90%;
    max-height: 80vh; overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 24px;
}
.modal-title { font-size: 1.2rem; font-weight: 800; font-family: var(--font-display); }
.modal-close {
    background: var(--bg2); border: 1px solid var(--outline);
    color: var(--text3); width: 36px; height: 36px;
    font-size: 1.2rem; cursor: pointer; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.modal-close:hover { background: var(--surface-highest); color: var(--text); }

.modal-stats {
    display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 24px;
}
.modal-stat {
    background: var(--bg2);
    border: 1px solid rgba(216,194,187,0.5);
    border-radius: 16px;
    padding: 16px;
}
.modal-stat-label {
    font-size: 0.7rem; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 4px;
}
.modal-stat-value {
    font-size: 1.4rem; font-weight: 900; font-family: var(--font-display); color: var(--text);
}

.modal-chart { margin-bottom: 20px; }
.modal-chart-title {
    font-size: 0.7rem; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 10px;
}
.modal-hourly-chart {
    display: flex; gap: 3px; align-items: flex-end;
    height: 100px; background: var(--bg2); border-radius: 12px; padding: 12px;
}
.modal-hourly-bar {
    flex: 1;
    background: var(--accent);
    border-radius: 3px 3px 0 0;
    min-height: 2px;
    opacity: 0.7;
    transition: all 0.2s;
    position: relative;
}
.modal-hourly-bar:hover { opacity: 1; }
.modal-hourly-bar .tooltip {
    display: none;
    position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
    background: var(--text); color: #fff;
    padding: 4px 10px; border-radius: 8px;
    font-size: 0.7rem; white-space: nowrap;
    font-weight: 600;
}
.modal-hourly-bar:hover .tooltip { display: block; }

.modal-top-users { margin-top: 16px; }
.modal-top-users h4 {
    font-size: 0.7rem; color: var(--text3);
    text-transform: uppercase; letter-spacing: 0.5px; font-weight: 700; margin-bottom: 12px;
}
.modal-top-user {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid rgba(216,194,187,0.5);
}
.modal-top-user:last-child { border-bottom: none; }
.modal-top-user-pos { font-size: 0.8rem; color: var(--text3); width: 28px; font-weight: 700; }
.modal-top-user-name { font-size: 0.9rem; color: var(--text); flex: 1; font-weight: 500; }
.modal-top-user-msgs { font-size: 0.9rem; font-weight: 700; font-family: var(--font-display); color: var(--accent); }

/* REVEAL ANIMATION */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--outline); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--text3); }

/* RESPONSIVE */
@media (max-width: 900px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-sub { margin-left: auto; margin-right: auto; }
    .hero-actions { justify-content: center; }
    .hero-stats { justify-content: center; }
    .hero-visual { display: none; }
    .nav-links a:not(.btn) { display: none; }
    .features-grid, .chats-grid { grid-template-columns: 1fr; }
    .modal { padding: 24px; }
    .modal-stats { grid-template-columns: 1fr; }
    .cta-card { padding: 60px 24px; border-radius: 2rem; }
}