/* ─────────────────────────────────────────────
   EOS.CORE — Premium Website Stylesheet v2
   Accent: #00D4FF  |  Slider Fill: #e8455a
───────────────────────────────────────────── */

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

:root {
    --accent:        #00D4FF;
    --accent-dim:    #00a8cc;
    --accent-glow:   rgba(0, 212, 255, 0.25);
    --accent-glow2:  rgba(0, 212, 255, 0.08);
    --red:           #e8455a;
    --red-dim:       rgba(232,69,90,0.3);
    --bg:            #0a0a0c;
    --bg2:           #111114;
    --bg3:           #18181d;
    --bg4:           #1e1e24;
    --panel:         #16161a;
    --panel2:        #1c1c22;
    --panel3:        #222228;
    --border:        rgba(255,255,255,0.06);
    --border2:       rgba(255,255,255,0.1);
    --text:          #e8e8f0;
    --text-muted:    #7a7a8a;
    --text-dim:      #4a4a5a;
    --radius:        8px;
    --radius-lg:     14px;
    --shadow:        0 4px 32px rgba(0,0,0,0.5);
    --shadow-accent: 0 0 32px rgba(0, 212, 255, 0.15);
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    line-height: 1.6;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }

/* ═══════════════ NAV ═══════════════ */
.nav {
    position: fixed; top: 0; left: 0; right: 0;
    z-index: 100; padding: 0 2rem; height: 64px;
    display: flex; align-items: center;
    background: rgba(10,10,12,0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: background 0.3s;
}
.nav.scrolled { background: rgba(10,10,12,0.95); }
.nav-inner { width: 100%; max-width: 1280px; margin: 0 auto; display: flex; align-items: center; gap: 2rem; }
.nav-logo { font-size: 1.2rem; font-weight: 800; letter-spacing: -0.5px; flex-shrink: 0; }
.logo-eos   { color: var(--accent); }
.logo-dot   { color: var(--text-muted); }
.logo-core  { color: var(--text); }
.nav-links  { display: flex; gap: 1.5rem; margin-left: auto; }
.nav-link   { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
.nav-link:hover { color: var(--text); }
.nav-cta {
    padding: 0.4rem 1.1rem; background: var(--accent); color: #000;
    border-radius: 6px; font-size: 0.85rem; font-weight: 700;
    text-decoration: none; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; flex-shrink: 0;
}
.nav-cta:hover { background: #33deff; transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }

/* ═══════════════ HERO ═══════════════ */
.hero {
    position: relative; min-height: 100vh;
    display: grid; grid-template-columns: 1fr 1fr;
    align-items: center; gap: 4rem;
    padding: 8rem 2rem 4rem;
    max-width: 1280px; margin: 0 auto; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.3; }
.hero-orb-1 {
    width: 500px; height: 500px; top: -100px; right: 100px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation: orb-pulse 6s ease-in-out infinite;
}
.hero-orb-2 {
    width: 350px; height: 350px; bottom: 0; left: -100px;
    background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
    animation: orb-pulse 8s ease-in-out infinite 2s;
}
@keyframes orb-pulse {
    0%,100% { transform: scale(1); opacity: 0.25; }
    50%      { transform: scale(1.1); opacity: 0.4; }
}
.hero-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hero-content { position: relative; z-index: 1; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    background: var(--accent-glow2); border: 1px solid rgba(0,212,255,0.2);
    border-radius: 100px; font-size: 0.78rem; font-weight: 600;
    color: var(--accent); letter-spacing: 0.5px; margin-bottom: 1.5rem;
    animation: fade-up 0.8s ease both;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); animation: blink 1.5s ease-in-out infinite; }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }
.hero-title { font-size: clamp(2.4rem,5vw,4.2rem); font-weight: 900; line-height: 1.08; letter-spacing: -2px; color: var(--text); animation: fade-up 0.8s ease 0.1s both; }
.hero-title-accent { background: linear-gradient(135deg,var(--accent) 0%,#80eaff 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { margin-top: 1.25rem; font-size: 1.05rem; color: var(--text-muted); max-width: 500px; line-height: 1.75; animation: fade-up 0.8s ease 0.2s both; }
.hero-actions { display: flex; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; animation: fade-up 0.8s ease 0.3s both; }
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.7rem 1.5rem; border-radius: 8px; font-size: 0.9rem;
    font-weight: 700; text-decoration: none; cursor: pointer; border: none;
    transition: all 0.2s ease; font-family: inherit;
}
.btn-large { padding: 0.85rem 2rem; font-size: 1rem; }
.btn-primary { background: var(--accent); color: #000; box-shadow: 0 4px 20px var(--accent-glow); }
.btn-primary:hover { background: #33deff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,212,255,0.4); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border2); }
.btn-ghost:hover { background: var(--bg3); transform: translateY(-2px); }
.hero-stats { display: flex; align-items: center; gap: 1.5rem; margin-top: 2.5rem; animation: fade-up 0.8s ease 0.4s both; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 1.5rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }
.stat-divider { width: 1px; height: 40px; background: var(--border2); }
@keyframes fade-up { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* Hero Visual */
.hero-visual { position: relative; z-index: 1; display: flex; justify-content: center; animation: fade-up 0.8s ease 0.2s both; }
.menu-float-wrapper { perspective: 1200px; }
.menu-float {
    background: var(--panel); border: 1px solid var(--border2);
    border-radius: 12px; overflow: hidden;
    box-shadow: var(--shadow), var(--shadow-accent);
    transform: rotateY(-8deg) rotateX(4deg);
    transition: transform 0.4s ease; max-width: 540px; width: 100%;
}
.menu-float:hover { transform: rotateY(-2deg) rotateX(1deg); }

/* Mini preview styles */
.mf-topbar { background: #0d0d10; border-bottom: 1px solid var(--border); padding: 6px 10px; display: flex; align-items: center; gap: 10px; }
.mf-logo { font-weight: 900; color: var(--text); font-size: 0.75rem; letter-spacing: 1px; margin-right: 4px; }
.mf-tabs-top { display: flex; gap: 8px; flex: 1; }
.mf-ttab { color: var(--text-muted); font-size: 0.65rem; }
.mf-ttab-eos { color: var(--accent); font-weight: 600; }
.mf-user { color: var(--text-muted); font-size: 0.65rem; margin-left: auto; }
.mf-days { color: var(--red); font-weight: 600; }
.mf-body { display: flex; min-height: 260px; }
.mf-sidebar { width: 90px; border-right: 1px solid var(--border); padding: 6px 0; flex-shrink: 0; }
.mf-stab { padding: 4px 8px; font-size: 0.62rem; color: var(--text-muted); }
.mf-stab-active { color: var(--text); border-left: 2px solid var(--red); padding-left: 6px; }
.mf-main { flex: 1; padding: 8px; display: flex; flex-direction: column; gap: 8px; }
.mf-group { background: var(--panel2); border-radius: 6px; padding: 8px; }
.mf-group-title { font-size: 0.65rem; font-weight: 700; color: var(--text-muted); margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.5px; }
.mf-row { display: flex; justify-content: space-between; align-items: center; padding: 3px 0; font-size: 0.65rem; color: var(--text); }
.mf-sq { width: 12px; height: 12px; background: #2a2a35; border: 1px solid rgba(255,255,255,0.15); border-radius: 1px; flex-shrink: 0; }
.mf-color-dot { width: 20px; height: 10px; border-radius: 2px; flex-shrink: 0; }
.mf-color-cyan { background: var(--accent); }
.mf-dd { background: var(--panel3); border: 1px solid var(--border); border-radius: 3px; padding: 2px 5px; font-size: 0.6rem; color: var(--text-muted); }
.mf-sldr { display: flex; align-items: center; gap: 3px; flex: 1; justify-content: flex-end; }
.mf-sldr > div { width: 50px; height: 12px; background: #2a2a35; border-radius: 1px; position: relative; overflow: hidden; }
.mf-sldr-fill { position: absolute; left: 0; top: 0; bottom: 0; background: var(--red); }
.mf-sldr > span { font-size: 0.58rem; color: var(--text-muted); }

/* ═══════════════ SECTION SHARED ═══════════════ */
.section-label { font-size: 0.75rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 0.75rem; }
.section-title { font-size: clamp(1.8rem,3.5vw,2.8rem); font-weight: 900; letter-spacing: -1.5px; color: var(--text); line-height: 1.1; margin-bottom: 0.75rem; }
.section-sub { color: var(--text-muted); font-size: 1rem; max-width: 520px; margin-bottom: 3rem; }
.accent { color: var(--accent); }
.fade-in { animation: fade-up 0.6s ease both; }

/* ═══════════════ FEATURES ═══════════════ */
.features { padding: 6rem 2rem; max-width: 1280px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 1.25rem; }
.feat-card {
    background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-lg);
    padding: 1.5rem; transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s, background 0.25s; cursor: default;
}
.feat-card:hover { border-color: rgba(0,212,255,0.3); transform: translateY(-4px); box-shadow: 0 8px 32px rgba(0,0,0,0.4),0 0 0 1px rgba(0,212,255,0.1); background: var(--bg4); }
.feat-icon { width: 44px; height: 44px; background: var(--accent-glow2); border: 1px solid rgba(0,212,255,0.2); border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--accent); margin-bottom: 1rem; transition: background 0.25s, box-shadow 0.25s; }
.feat-card:hover .feat-icon { background: var(--accent-glow); box-shadow: 0 0 16px var(--accent-glow); }
.feat-title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 0.4rem; }
.feat-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 1rem; }
.feat-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag { padding: 0.2rem 0.55rem; background: var(--bg4); border: 1px solid var(--border); border-radius: 4px; font-size: 0.72rem; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; }

/* ═══════════════ DEMO SECTION ═══════════════ */
.demo-section { padding: 6rem 2rem; max-width: 1280px; margin: 0 auto; }
.demo-cta { display: flex; flex-direction: column; align-items: center; gap: 0.75rem; margin-top: 2rem; }
.demo-hint { color: var(--text-dim); font-size: 0.8rem; }

/* ═══════════════ SCREENSHOT MENU ═══════════════ */
.screenshot-menu {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.ss-nav-hotspot {
    position: absolute;
    cursor: pointer;
    z-index: 10;
    border-radius: 4px;
    /* Optional: uncomment to debug hotspot placement
    background: rgba(255,0,0,0.2);
    */
}

.ss-frame {
    position: relative;
    border-radius: 10px;
    box-shadow: 0 20px 80px rgba(0,0,0,0.7);
    overflow: hidden;
    background: #000;
}

.ss-img {
    display: block;
    max-width: 100%;
    height: auto;
}

.ss-hotspot {
    position: absolute;
    cursor: pointer;
    border-radius: 4px;
    z-index: 10;
}

.ss-checkbox-hotspot {
    position: absolute;
    cursor: pointer;
    z-index: 10;
}
.ss-checkbox-hotspot svg {
    width: 65%;
    height: 65%;
    margin-left: 17%;
    margin-top: 17%;
    display: none;
    pointer-events: none;
}
.ss-checkbox-hotspot.checked svg {
    display: block;
}

.ss-popup {
    position: absolute;
    z-index: 20;
    box-shadow: 0 10px 40px rgba(0,0,0,0.8);
    pointer-events: none;
}



.ss-hint {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-dim);
    font-style: italic;
}

.hero-preview-img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: var(--shadow), var(--shadow-accent);
    transform: rotateY(-8deg) rotateX(4deg);
    transition: transform 0.4s ease;
}
.hero-preview-img:hover {
    transform: rotateY(-2deg) rotateX(1deg);
}

/* ═══════════════ ABOUT ═══════════════ */
.about { padding: 6rem 2rem; border-top: 1px solid var(--border); background: var(--bg2); }
.about-inner { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.about-desc { color: var(--text-muted); font-size: 0.95rem; line-height: 1.75; margin-bottom: 0.75rem; }
.about-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.about-tag { padding: 0.3rem 0.75rem; background: var(--bg3); border: 1px solid var(--border2); border-radius: 6px; font-size: 0.8rem; color: var(--text-muted); }
.about-card { background: var(--bg3); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem; box-shadow: var(--shadow); }
.about-logo-big { font-size: 2.5rem; font-weight: 900; letter-spacing: -2px; margin-bottom: 1.5rem; }
.logo-eos-big   { color: var(--accent); }
.logo-dot-big   { color: var(--text-muted); }
.logo-core-big  { color: var(--text); }
.meta-row { display: flex; justify-content: space-between; align-items: center; padding: 0.6rem 0; border-bottom: 1px solid var(--border); font-size: 0.875rem; }
.meta-row:last-child { border-bottom: none; }
.meta-key { color: var(--text-muted); }
.meta-val { color: var(--text); font-weight: 600; }

/* ═══════════════ FOOTER ═══════════════ */
.footer { padding: 1.5rem 2rem; border-top: 1px solid var(--border); background: var(--bg); }
.footer-inner { max-width: 1280px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; gap: 0.3rem; text-align: center; }
.footer-logo { font-weight: 800; font-size: 1.1rem; margin-bottom: 0.2rem; }
.footer-copy { font-size: 0.8rem; color: var(--text-muted); }

/* ═══════════════ RESPONSIVE ═══════════════ */
@media (max-width: 900px) {
    .hero { grid-template-columns: 1fr; padding-top: 6rem; gap: 2rem; }
    .hero-visual { display: none; }
    .about-inner { grid-template-columns: 1fr; gap: 2rem; }
    .menu-sidebar { width: 95px; }
    .topbar-tabs { gap: 3px; }
    .topbar-tab { font-size: 0.6rem; }
}
@media (max-width: 600px) {
    .nav-links { display: none; }
    .menu-sidebar { display: none; }
    .features-grid { grid-template-columns: 1fr; }
    .panels-row { flex-direction: column; }
    .gear-popup { left: 0; top: 100%; margin-left: 0; margin-top: 4px; }
}