html {
    scroll-behavior: smooth;
    color-scheme: dark;
}

html[data-theme="dark"] {
    --bg: #0c1220;
    --surface: #111a2a;
    --text: #f3f6ff;
    --muted: rgba(243, 246, 255, 0.74);
    --gray-dollar: rgba(186, 198, 220, 0.72);
    --line: rgba(186, 198, 220, 0.14);
    --line-strong: rgba(74, 222, 128, 0.52);
    --header-bg: rgba(12, 18, 32, 0.93);
    
    --accent: #10b981; /* Emerald/Green thematic accent */
    --accent-dim: rgba(16, 185, 129, 0.16);
    --accent-soft: rgba(16, 185, 129, 0.22);

    --font-sans: "Inter", system-ui, sans-serif;
    --font-mono: "IBM Plex Mono", ui-monospace, monospace;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html[data-theme="light"] {
    --bg: #ffffff;
    --surface: #f8fafc;
    --text: #0f172a;
    --muted: #64748b;
    --gray-dollar: #94a3b8;
    --line: #e2e8f0;
    --line-strong: rgba(16, 185, 129, 0.3);
    --header-bg: rgba(255, 255, 255, 0.93);
    
    --accent: #059669;
    --accent-dim: rgba(5, 150, 105, 0.1);
    --accent-soft: rgba(5, 150, 105, 0.15);
}

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

body {
    margin: 0;
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 15px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    letter-spacing: 0.01em;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

/* Header & Navigation */
header {
    position: sticky;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 0.75rem clamp(1rem, 3vw, 2rem);
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.header-main-row {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo-wrap {
    display: flex; align-items: center; gap: 0.5rem;
    font-family: var(--font-mono); font-size: 1.25rem; font-weight: 300;
    letter-spacing: 0.15em; text-transform: uppercase; color: var(--text);
    cursor: pointer;
}
.logo-icon {
    height: 1.6rem;
    width: auto;
    filter: grayscale(1);
    transition: filter 0.3s var(--ease);
}
.logo-wrap:hover .logo-icon {
    filter: grayscale(0);
}
.logo-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
}
.logo-part.accent { color: var(--accent); }
.logo-dot {
    color: var(--line);
    font-weight: 300;
    font-size: 1rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Language Selector styling */
.lang-selector {
    display: inline-flex;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 2px;
}
.lang-btn {
    background: none;
    border: none;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--muted);
    padding: 0.3rem 0.6rem;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s var(--ease);
}
.lang-btn:hover {
    color: var(--text);
}
.lang-btn.active {
    background: var(--accent);
    color: var(--bg) !important;
}

#theme-toggle {
    background: none; border: none; cursor: pointer; padding: 0.3rem; outline: none;
    font-size: 1rem; color: var(--text); transition: transform 0.2s, opacity 0.2s;
    display: flex; align-items: center; justify-content: center;
    filter: grayscale(1) brightness(2);
}
html[data-theme="light"] #theme-toggle {
    filter: grayscale(1) brightness(0);
}
#theme-toggle:hover { opacity: 0.7; transform: scale(1.1); }

nav {
    width: 100%;
}
nav ul {
    margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: center;
}
nav a {
    font-family: var(--font-mono); font-size: 0.65rem; font-weight: 400;
    letter-spacing: 0.15em; text-transform: uppercase; color: var(--muted); text-decoration: none;
    transition: color 0.2s var(--ease);
}
nav a:hover { color: var(--accent); text-decoration: none; }

/* Utilities */
.container { max-width: 1200px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2.25rem); }
.container-narrow { max-width: 900px; }
.text-center { text-align: center; }
.font-mono { font-family: var(--font-mono); }
.font-sans { font-family: var(--font-sans); }
.muted { color: var(--muted); }

/* Typography */
.kicker {
    font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500;
    letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent);
    margin: 0 auto 0.75rem; max-width: 40rem; display: block;
}

h1 { font-family: var(--font-sans); font-weight: 600; font-size: clamp(2rem, 5vw, 3.5rem); letter-spacing: -0.02em; line-height: 1.2; margin: 0 auto 0.75rem; }
h2 { font-family: var(--font-sans); font-weight: 500; font-size: clamp(1.6rem, 3.5vw, 2.5rem); letter-spacing: -0.015em; line-height: 1.25; margin: 0 auto 0.75rem; }
h3 { font-family: var(--font-sans); font-weight: 500; font-size: 1.15rem; margin: 1.25rem 0 0.5rem; letter-spacing: 0.01em; }

.hero-category {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-dollar);
    margin-bottom: 2rem;
}

.lead { font-size: 1.15rem; color: var(--muted); margin: 0 auto 1.25rem; max-width: 45rem; }
p { color: var(--muted); margin-bottom: 0.85rem; }

/* Buttons */
.action-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
    padding: 0.65rem 1.15rem; font-size: 0.8rem; font-family: var(--font-mono); font-weight: 500;
    letter-spacing: 0.05em; color: var(--text); background-color: transparent;
    border: 1px solid var(--line-strong); border-radius: 4px; transition: all 0.3s var(--ease); outline: none; cursor: pointer;
}
.action-btn:hover { background-color: var(--accent-dim); border-color: var(--accent); color: var(--accent); text-decoration: none; }
.btn-primary { background-color: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

/* Layout / Grids */
.section { padding: 4.5rem 0; }
.section-header { text-align: center; margin-bottom: 3rem; padding-top: 1.5rem;}
.hero-section { display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; position: relative; padding: 6rem 0 4.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 2rem; flex-wrap: wrap; }

.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* Cards Styling */
.card {
    background: var(--surface);
    border: 1px solid var(--line);
    padding: 2rem;
    border-radius: 6px;
    transition: transform 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}
.card:hover {
    border-color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}
.card-premium {
    border-color: var(--line-strong);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.05);
}

.card-indicator {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--accent);
    border-bottom: 1px solid var(--line);
    padding-bottom: 0.75rem;
    margin-bottom: 0.75rem;
}

.card-glass {
    background: rgba(17, 26, 42, 0.4);
    backdrop-filter: blur(10px);
}

.ops-header {
    border-bottom: 1px solid var(--line);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}
.ops-val {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--accent);
    display: block;
    margin-bottom: 0.5rem;
}
.ops-header h3 {
    margin: 0;
    font-size: 1.05rem;
}
.ops-list {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.85rem;
}
.ops-list li {
    margin-bottom: 0.5rem;
}
.ops-list li:last-child {
    margin-bottom: 0;
}

/* Badges Systems for Team & Motivation */
.team-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
}
.team-badge.management { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.team-badge.sales { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.team-badge.technical { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.team-badge.content { background: rgba(168, 85, 247, 0.15); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }

.bonus-tag {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: block;
}
.bonus-tag.sales { color: #34d399; }
.bonus-tag.advertising { color: #60a5fa; }
.bonus-tag.technician { color: #fbbf24; }
.bonus-tag.retention { color: #c084fc; }

/* Web3 Widget Components */
.web3-input {
    width: 100%; padding: 0.85rem; margin: 0.5rem 0 1.5rem;
    background: var(--bg); border: 1px solid var(--line);
    color: var(--text); font-family: var(--font-mono); font-size: 0.9rem;
    border-radius: 4px; outline: none; transition: border-color 0.3s var(--ease);
}
.web3-input:focus { border-color: var(--accent); }

.web3-label {
    display: block; font-family: var(--font-mono); font-size: 0.65rem;
    text-transform: uppercase; color: var(--gray-dollar); letter-spacing: 0.1em;
}

.status-msg {
    margin-top: 1rem; font-family: var(--font-mono); font-size: 0.75rem;
    color: var(--accent); opacity: 0.8; min-height: 1.2rem;
}

/* ROI Calculator Components */
.calc-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: start; }
.calc-inputs { display: flex; flex-direction: column; gap: 1.5rem; }
.input-row { display: flex; flex-direction: column; gap: 0.5rem; }
.input-row label { display: flex; justify-content: space-between; font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; color: var(--gray-dollar); }
.input-row .val { color: var(--accent); font-weight: 500; }
input[type="range"] { -webkit-appearance: none; width: 100%; height: 2px; background: var(--line); outline: none; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--accent); cursor: pointer; transition: transform 0.2s; }
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }

.calc-outputs { background: var(--bg); border: 1px solid var(--line); border-radius: 4px; padding: 2rem; }
.calc-total { padding-bottom: 1.5rem; border-bottom: 1px solid var(--line); margin-bottom: 1.5rem; }
.calc-total:last-child { border: none; padding-bottom: 0; margin-bottom: 0; }
.calc-total .lbl { font-family: var(--font-mono); font-size: 0.75rem; color: var(--gray-dollar); text-transform: uppercase; margin-bottom: 0.5rem; }
.calc-total .val { font-family: var(--font-mono); font-size: 2.5rem; color: var(--text); }

/* Segments Styling */
.segment-wrap {
    display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.segment-tag {
    font-family: var(--font-mono); font-size: 0.65rem; color: var(--gray-dollar);
    padding: 0.4rem 0.6rem; border: 1px solid var(--line); border-radius: 3px;
    text-transform: uppercase; letter-spacing: 0.05em; transition: all 0.3s var(--ease);
}
.segment-tag.active {
    color: var(--bg); background: var(--accent); border-color: var(--accent);
    box-shadow: 0 0 10px var(--accent-dim);
}

/* Animations */
.reveal { opacity: 0; transform: translateY(20px); transition: all 0.6s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
    .grid-2, .calc-layout { grid-template-columns: 1fr; }
    .header-main-row { justify-content: center; }
}

footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--line);
    background: var(--surface);
}

/* Modal Overlay & Content */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 2000;
    background: rgba(12, 18, 32, 0.7);
    backdrop-filter: blur(15px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease);
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.modal-content {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    width: 100%;
    max-width: 600px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2.5rem;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s var(--ease);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    scrollbar-width: thin;
    scrollbar-color: var(--line) transparent;
}
.modal-content::-webkit-scrollbar {
    width: 6px;
}
.modal-content::-webkit-scrollbar-track {
    background: transparent;
}
.modal-content::-webkit-scrollbar-thumb {
    background-color: var(--line);
    border-radius: 3px;
}
.modal-overlay.active .modal-content {
    transform: translateY(0);
}
.modal-close-btn {
    position: absolute;
    top: 1rem; right: 1rem;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--muted);
    cursor: pointer;
    line-height: 1;
    padding: 0.25rem 0.5rem;
    transition: color 0.2s var(--ease);
    z-index: 10;
}
.modal-close-btn:hover {
    color: var(--accent);
}
.modal-header {
    border-bottom: 1px solid var(--line);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}
.modal-badge {
    font-size: 2rem;
    font-weight: 500;
    color: var(--accent);
    margin-top: 0.5rem;
}
.detail-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 1.5rem;
}
.detail-col h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-dollar);
    text-transform: uppercase;
    margin: 0 0 0.5rem 0;
}
.detail-val {
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.75rem;
}
.detail-col p {
    font-size: 0.85rem;
    margin: 0;
}
.detail-notes {
    border-top: 1px solid var(--line);
    padding-top: 1.5rem;
}
.detail-notes h4 {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--gray-dollar);
    text-transform: uppercase;
    margin: 0 0 0.5rem 0;
}
.detail-notes p {
    font-size: 0.85rem;
    margin: 0;
}

@media (max-width: 600px) {
    .modal-overlay {
        padding: 0.75rem;
    }
    .modal-content {
        padding: 1.5rem;
        max-height: 90vh;
        -webkit-overflow-scrolling: touch;
    }
    .modal-close-btn {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 2rem;
        padding: 0.5rem;
    }
    .modal-badge {
        font-size: 1.6rem;
    }
    .detail-val {
        font-size: 1.5rem;
    }
    .detail-split {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Broadcast Showcase Grid & Interactive Cards */
.broadcast-card {
    padding: 0 !important;
    overflow: hidden;
    cursor: pointer;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
}
.broadcast-card .video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    overflow: hidden;
}
.broadcast-card .video-placeholder {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
    display: block;
}
.broadcast-card .play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.25);
    transition: background 0.3s ease;
    z-index: 2;
}
.broadcast-card:hover .play-overlay {
    background: rgba(0,0,0,0.1);
}
.broadcast-card .play-icon {
    font-size: 1.5rem;
    color: #fff;
    background: rgba(16, 185, 129, 0.85);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: transform 0.3s var(--ease), background 0.3s ease;
}
.broadcast-card:hover .play-icon {
    transform: scale(1.1);
    background: var(--accent);
}
.broadcast-card .volume-overlay {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 3px 6px;
    border-radius: 3px;
    font-size: 0.7rem;
    z-index: 3;
    display: none;
    pointer-events: auto;
    cursor: pointer;
    font-family: var(--font-mono);
}
.broadcast-card.playing .volume-overlay {
    display: block;
}
.broadcast-card .yt-iframe-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
    pointer-events: none;
}
.broadcast-card.playing .yt-iframe-placeholder {
    opacity: 1;
}
.broadcast-card.playing .video-placeholder,
.broadcast-card.playing .play-overlay {
    opacity: 0;
    pointer-events: none;
}
.broadcast-card .venue-name {
    margin: 0;
    padding: 0;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    color: var(--text);
    background: var(--surface);
    border-top: 1px solid var(--line);
    text-transform: uppercase;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}
.broadcast-card .venue-name a {
    color: inherit;
    text-decoration: none;
    display: block;
    padding: 1rem;
    width: 100%;
}
.broadcast-card:hover .venue-name {
    color: var(--accent);
}
.broadcast-card.loading::after {
    content: "";
    position: absolute;
    top: calc(50% - 25px);
    left: calc(50% - 25px);
    width: 30px;
    height: 30px;
    border: 3px solid rgba(16, 185, 129, 0.2);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: broadcast-spinner 0.8s linear infinite;
    z-index: 4;
}
@keyframes broadcast-spinner {
    to { transform: rotate(360deg); }
}