/* =============================================
   XPROBOT — Decentralized Trading Revolution
   Light Theme · Web3 · Clean & Professional
   ============================================= */

/* ── Variables ── */
:root {
    --primary:        #6366f1;
    --primary-dark:   #4f46e5;
    --primary-light:  #818cf8;
    --accent:         #06b6d4;
    --accent-dark:    #0891b2;
    --purple:         #8b5cf6;
    --green:          #10b981;
    --amber:          #f59e0b;
    --red:            #ef4444;

    --bg:             #ffffff;
    --bg-gray:        #f8fafc;
    --bg-card:        #ffffff;
    --border:         #e2e8f0;
    --border-hover:   #c7d2fe;

    --text-heading:   #0f172a;
    --text-body:      #475569;
    --text-muted:     #94a3b8;

    --grad-primary:   linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    --grad-purple:    linear-gradient(135deg, #8b5cf6 0%, #6366f1 100%);
    --grad-cta:       linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);

    --shadow-xs:      0 1px 2px rgba(0,0,0,.04);
    --shadow-sm:      0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:      0 4px 6px rgba(0,0,0,.05), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg:      0 10px 25px rgba(0,0,0,.08), 0 4px 10px rgba(0,0,0,.05);
    --shadow-xl:      0 20px 40px rgba(99,102,241,.15);
    --shadow-glow:    0 0 30px rgba(99,102,241,.2);

    --radius-sm:      8px;
    --radius-md:      14px;
    --radius-lg:      20px;
    --radius-xl:      28px;
    --radius-full:    9999px;

    --font:           'Inter', system-ui, -apple-system, sans-serif;
    --font-display:   'Space Grotesk', var(--font);

    --transition:     0.25s cubic-bezier(.4,0,.2,1);
    --transition-slow:0.4s cubic-bezier(.4,0,.2,1);
}

/* ── Reset ── */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body { font-family:var(--font); background:var(--bg-gray); color:var(--text-body); line-height:1.6; overflow-x:hidden; }
a { text-decoration:none; color:inherit; }
ul { list-style:none; }
img { max-width:100%; display:block; }
button { cursor:pointer; border:none; background:transparent; font-family:var(--font); }

/* ── Typography ── */
h1,h2,h3,h4,h5 { font-family:var(--font-display); color:var(--text-heading); line-height:1.2; font-weight:700; }
h1 { font-size:clamp(2.4rem,5.5vw,3.8rem); }
h2 { font-size:clamp(1.9rem,3.8vw,2.9rem); }
h3 { font-size:clamp(1.35rem,2.5vw,1.75rem); }
h4 { font-size:clamp(1.1rem,2vw,1.3rem); }
p  { font-size:1.05rem; line-height:1.75; color:var(--text-body); }

.text-gradient {
    background: var(--grad-primary);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}

/* ── Container ── */
.container { width:92%; max-width:1200px; margin:0 auto; }

/* ── Section helpers ── */
.section { padding:6rem 0; }
.bg-white { background:var(--bg); }
.bg-gray  { background:var(--bg-gray); }

/* ── Section Header ── */
.sec-header { text-align:center; margin-bottom:4rem; }
.sec-tag {
    display:inline-flex; align-items:center; gap:.5rem;
    padding:.45rem 1.2rem;
    background:rgba(99,102,241,.08);
    border:1.5px solid rgba(99,102,241,.25);
    border-radius:var(--radius-full);
    color:var(--primary);
    font-size:.82rem; font-weight:600; text-transform:uppercase; letter-spacing:.8px;
    margin-bottom:1.2rem;
}
.sec-header h2 { margin-bottom:1rem; }
.sec-header p  { max-width:620px; margin:0 auto; }

/* ── Buttons ── */
.btn {
    display:inline-flex; align-items:center; gap:.6rem;
    padding:.85rem 1.9rem;
    border-radius:var(--radius-full);
    font-weight:600; font-size:1rem;
    border:2px solid transparent;
    transition:all var(--transition);
    white-space:nowrap;
}
.btn-primary {
    background:var(--grad-primary); color:#fff;
    box-shadow:0 4px 18px rgba(99,102,241,.4);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(99,102,241,.5); }
.btn-outline {
    background:transparent; border-color:var(--primary); color:var(--primary);
}
.btn-outline:hover { background:rgba(99,102,241,.07); transform:translateY(-2px); }
.btn-white {
    background:#fff; color:var(--primary-dark);
    box-shadow:0 4px 18px rgba(0,0,0,.12);
}
.btn-white:hover { transform:translateY(-2px); box-shadow:0 8px 28px rgba(0,0,0,.18); }
.btn-ghost {
    background:rgba(255,255,255,.15); border-color:rgba(255,255,255,.4); color:#fff;
    backdrop-filter:blur(6px);
}
.btn-ghost:hover { background:rgba(255,255,255,.25); transform:translateY(-2px); }
.btn-block { width:100%; justify-content:center; }

/* ── Pills ── */
.pill {
    display:inline-flex; align-items:center; gap:.45rem;
    padding:.4rem 1rem;
    border-radius:var(--radius-full);
    font-size:.82rem; font-weight:600;
}
.pill-purple { background:rgba(99,102,241,.1); color:var(--primary); border:1.5px solid rgba(99,102,241,.25); }
.pill-blue   { background:rgba(6,182,212,.1);  color:var(--accent-dark); border:1.5px solid rgba(6,182,212,.25); }
.pill-green  { background:rgba(16,185,129,.1); color:var(--green);  border:1.5px solid rgba(16,185,129,.25); }

/* ════════════════════════════════
   NAVBAR
════════════════════════════════ */
.navbar {
    position:fixed; top:0; left:0; width:100%;
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(14px);
    border-bottom:1.5px solid var(--border);
    z-index:1000;
    transition:box-shadow var(--transition);
}
.navbar.scrolled { box-shadow:var(--shadow-md); }

.nav-inner {
    display:flex; align-items:center; justify-content:space-between;
    padding:1.1rem 0;
}

.logo {
    display:flex; align-items:center; gap:.65rem;
    font-family:var(--font-display);
    font-size:1.45rem; font-weight:800;
    color:var(--text-heading);
}
.logo-icon {
    width:36px; height:36px;
    display:flex; align-items:center; justify-content:center;
    background:var(--grad-primary);
    border-radius:var(--radius-sm);
    color:#fff; font-size:1.1rem;
}
.logo-accent { background:var(--grad-primary); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }

.nav-links {
    display:flex; align-items:center; gap:2rem;
}
.nav-link {
    color:var(--text-body); font-weight:500; font-size:.95rem;
    position:relative; transition:color var(--transition);
}
.nav-link::after {
    content:''; position:absolute; bottom:-4px; left:0;
    width:0; height:2px;
    background:var(--grad-primary);
    transition:width var(--transition); border-radius:2px;
}
.nav-link:hover, .nav-link.active { color:var(--primary); }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

.nav-cta {
    padding:.55rem 1.4rem;
    background:var(--grad-primary);
    color:#fff; border-radius:var(--radius-full);
    font-weight:600; font-size:.9rem;
    transition:all var(--transition);
    box-shadow:0 4px 14px rgba(99,102,241,.35);
}
.nav-cta:hover { transform:translateY(-2px); box-shadow:0 8px 22px rgba(99,102,241,.5); }

.hamburger {
    display:none; flex-direction:column; gap:5px;
    padding:.4rem;
}
.hamburger span {
    width:24px; height:2.5px;
    background:var(--text-heading); border-radius:3px;
    transition:all var(--transition);
    display:block;
}
.hamburger.open span:nth-child(1) { transform:translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity:0; transform:translateX(-8px); }
.hamburger.open span:nth-child(3) { transform:translateY(-7.5px) rotate(-45deg); }

/* ════════════════════════════════
   HERO
════════════════════════════════ */
.hero {
    position:relative; min-height:100vh;
    display:flex; align-items:center;
    background:var(--bg); padding-top:80px;
    overflow:hidden;
}

.hero-grid-bg {
    position:absolute; inset:0; z-index:0;
    background-image:
        radial-gradient(circle at 70% 20%, rgba(99,102,241,.08) 0%, transparent 55%),
        radial-gradient(circle at 10% 80%, rgba(6,182,212,.07) 0%, transparent 50%),
        linear-gradient(90deg, transparent 49.5%, rgba(99,102,241,.04) 49.5%, rgba(99,102,241,.04) 50%, transparent 50%),
        linear-gradient(0deg, transparent 49.5%, rgba(99,102,241,.04) 49.5%, rgba(99,102,241,.04) 50%, transparent 50%);
    background-size:100% 100%, 100% 100%, 60px 60px, 60px 60px;
}

.hero-inner {
    position:relative; z-index:1;
    text-align:center; padding:3rem 0 4rem;
}

.hero-badge-row {
    display:flex; flex-wrap:wrap; justify-content:center; gap:.75rem;
    margin-bottom:2rem;
    animation:fadeUp .7s ease both;
}

.hero-title {
    margin-bottom:1.4rem;
    animation:fadeUp .8s .1s ease both;
    letter-spacing:-.5px;
}

.hero-sub {
    font-size:clamp(1.05rem,2vw,1.25rem);
    max-width:640px; margin:0 auto 2.5rem;
    color:var(--text-body);
    animation:fadeUp .8s .2s ease both;
}

.hero-actions {
    display:flex; gap:1rem; justify-content:center; flex-wrap:wrap;
    margin-bottom:3.5rem;
    animation:fadeUp .8s .3s ease both;
}

.hero-stats-row {
    display:inline-flex; align-items:center; flex-wrap:wrap; justify-content:center;
    gap:1rem;
    background:var(--bg);
    border:1.5px solid var(--border);
    border-radius:var(--radius-xl);
    padding:1.25rem 2.5rem;
    box-shadow:var(--shadow-md);
    animation:fadeUp .8s .45s ease both;
}
.hstat { text-align:center; }
.hstat-val { font-family:var(--font-display); font-size:1.4rem; font-weight:800; color:var(--primary); }
.hstat-label { font-size:.78rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.6px; }
.hstat-sep { width:1.5px; height:36px; background:var(--border); }

.hero-scroll {
    position:absolute; bottom:28px; left:50%; transform:translateX(-50%);
}
.hero-scroll span {
    display:block; width:2px; height:28px; margin:0 auto;
    background:linear-gradient(to bottom, var(--primary), transparent);
    border-radius:2px; animation:scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse { 0%,100%{opacity:.2;transform:scaleY(.5)} 50%{opacity:1;transform:scaleY(1)} }
@keyframes fadeUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }

/* ── Intro Strip ── */
.intro-strip {
    background:var(--text-heading); padding:1.1rem 0;
}
.strip-inner {
    display:flex; align-items:center; justify-content:center;
    flex-wrap:wrap; gap:.75rem;
}
.strip-item {
    display:flex; align-items:center; gap:.5rem;
    color:rgba(255,255,255,.75);
    font-size:.88rem; font-weight:500;
}
.strip-item i { color:var(--primary-light); }
.strip-dot {
    width:4px; height:4px; border-radius:50%;
    background:rgba(255,255,255,.3);
}

/* ════════════════════════════════
   BLOCKCHAIN
════════════════════════════════ */
.blockchain-grid {
    display:grid; grid-template-columns:1fr 1.1fr; gap:2.5rem;
    align-items:start; margin-bottom:2.5rem;
}

.bc-card--main {
    background:var(--bg-gray); border:1.5px solid var(--border);
    border-radius:var(--radius-lg); padding:2.5rem;
    box-shadow:var(--shadow-sm);
}

.bc-chain-visual {
    display:flex; align-items:center; justify-content:space-between;
    margin-bottom:2rem; flex-wrap:wrap; gap:.5rem;
}
.chain-node {
    display:flex; flex-direction:column; align-items:center; gap:.5rem;
    flex:1; min-width:70px;
}
.chain-node i {
    width:52px; height:52px;
    display:flex; align-items:center; justify-content:center;
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-md); font-size:1.3rem; color:var(--text-muted);
    transition:all var(--transition);
}
.chain-node span { font-size:.75rem; color:var(--text-muted); font-weight:500; text-align:center; }
.chain-node--active i { background:var(--grad-primary); color:#fff; border-color:transparent; box-shadow:var(--shadow-glow); }
.chain-line { flex:1; height:2px; background:linear-gradient(90deg,var(--primary),var(--accent)); min-width:16px; opacity:.4; }

.bc-card-label {
    display:flex; align-items:center; gap:.6rem;
    padding:1rem 1.25rem;
    background:rgba(99,102,241,.06); border-radius:var(--radius-sm);
    color:var(--primary); font-weight:600; font-size:.92rem;
}
.bc-card-label i { color:var(--green); }

.bc-features-col { display:flex; flex-direction:column; gap:1.25rem; }

.bc-feature {
    display:flex; gap:1.1rem; align-items:flex-start;
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-md); padding:1.4rem;
    box-shadow:var(--shadow-xs);
    transition:all var(--transition);
}
.bc-feature:hover { border-color:var(--border-hover); box-shadow:var(--shadow-md); transform:translateX(4px); }

.bc-feature-icon {
    width:44px; height:44px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:rgba(99,102,241,.08); border-radius:var(--radius-sm);
    font-size:1.15rem; color:var(--primary);
}
.bc-feature h4 { margin-bottom:.3rem; font-size:1rem; }
.bc-feature p  { font-size:.9rem; margin:0; }

.why-polygon-box {
    display:flex; gap:1.25rem; align-items:center;
    background:linear-gradient(135deg,rgba(99,102,241,.06) 0%,rgba(6,182,212,.06) 100%);
    border:1.5px solid rgba(99,102,241,.2);
    border-radius:var(--radius-lg); padding:1.75rem 2rem;
}
.wp-icon {
    width:54px; height:54px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:var(--grad-primary); border-radius:var(--radius-md);
    color:#fff; font-size:1.5rem;
}
.why-polygon-box h4 { margin-bottom:.4rem; }
.why-polygon-box p  { margin:0; font-size:.95rem; }

/* ════════════════════════════════
   ARCHITECTURE
════════════════════════════════ */
.arch-grid {
    display:grid; grid-template-columns:repeat(3,1fr); gap:2rem;
    margin-bottom:4rem;
}

.arch-card {
    position:relative; background:var(--bg);
    border:1.5px solid var(--border); border-radius:var(--radius-lg);
    padding:2.5rem 2rem; box-shadow:var(--shadow-sm);
    transition:all var(--transition-slow);
    overflow:hidden;
}
.arch-card::before {
    content:''; position:absolute; top:0; left:0; right:0;
    height:3px; background:var(--grad-primary);
    transform:scaleX(0); transform-origin:left;
    transition:transform var(--transition);
}
.arch-card:hover::before { transform:scaleX(1); }
.arch-card:hover { border-color:var(--border-hover); box-shadow:var(--shadow-lg); transform:translateY(-6px); }

.arch-card--featured {
    border-color:var(--primary);
    background:linear-gradient(160deg,rgba(99,102,241,.04) 0%,rgba(6,182,212,.04) 100%);
    box-shadow:var(--shadow-xl);
}
.arch-card--featured::before { transform:scaleX(1); }

.arch-number {
    position:absolute; top:16px; right:20px;
    font-size:2.8rem; font-weight:900; font-family:var(--font-display);
    color:rgba(0,0,0,.04);
}

.arch-badge-top {
    position:absolute; top:16px; left:50%; transform:translateX(-50%);
    padding:.3rem 1rem;
    background:var(--grad-primary); color:#fff;
    border-radius:var(--radius-full); font-size:.75rem; font-weight:700;
    white-space:nowrap;
}

.arch-icon {
    width:60px; height:60px; border-radius:var(--radius-md);
    display:flex; align-items:center; justify-content:center;
    font-size:1.6rem; color:#fff; margin-bottom:1.5rem;
}
.arch-icon--purple { background:var(--grad-purple); }
.arch-icon--blue   { background:var(--grad-primary); }
.arch-icon--green  { background:linear-gradient(135deg,#10b981,#34d399); }

.arch-card h3 { margin-bottom:.3rem; }
.arch-sub { color:var(--text-muted); font-size:.88rem; margin-bottom:.9rem; font-weight:500; }

.arch-list { margin-top:1.2rem; display:flex; flex-direction:column; gap:.6rem; }
.arch-list li {
    display:flex; align-items:center; gap:.6rem;
    font-size:.92rem; color:var(--text-body);
}
.arch-list li i { color:var(--green); font-size:.85rem; flex-shrink:0; }

.wallet-pills { display:flex; gap:.6rem; margin-top:1.25rem; flex-wrap:wrap; }
.wpill {
    display:inline-flex; align-items:center; gap:.4rem;
    padding:.35rem .85rem;
    background:rgba(99,102,241,.08); border:1.5px solid rgba(99,102,241,.2);
    border-radius:var(--radius-full); font-size:.8rem; font-weight:600; color:var(--primary);
}

/* AI Block */
.ai-block {
    background:var(--bg);
    border:1.5px solid var(--border); border-radius:var(--radius-xl);
    padding:3rem; box-shadow:var(--shadow-sm);
}

.ai-cards {
    display:grid; grid-template-columns:repeat(4,1fr); gap:1.25rem;
    margin-bottom:2.5rem;
}
.ai-card {
    background:var(--bg-gray); border:1.5px solid var(--border);
    border-radius:var(--radius-md); padding:1.5rem;
    text-align:center; transition:all var(--transition);
}
.ai-card:hover { border-color:var(--border-hover); box-shadow:var(--shadow-md); transform:translateY(-4px); }
.ai-card i { font-size:1.8rem; color:var(--primary); margin-bottom:.8rem; }
.ai-card h4 { margin-bottom:.5rem; font-size:1rem; }
.ai-card p  { font-size:.85rem; margin:0; }

.emotion-vs-ai {
    display:grid; grid-template-columns:1fr auto 1fr; gap:1.5rem;
    align-items:center;
}
.eva-side {
    border:1.5px solid var(--border); border-radius:var(--radius-lg); padding:1.75rem;
}
.eva-human { background:rgba(239,68,68,.03); border-color:rgba(239,68,68,.2); }
.eva-bot   { background:rgba(16,185,129,.03); border-color:rgba(16,185,129,.2); }

.eva-label {
    display:flex; align-items:center; gap:.6rem;
    font-weight:700; font-size:1rem; margin-bottom:1rem; color:var(--text-heading);
}
.eva-human .eva-label i { color:var(--red); }
.eva-bot   .eva-label i { color:var(--green); }

.eva-items { display:flex; flex-direction:column; gap:.6rem; }
.eva-items span {
    display:flex; align-items:center; gap:.6rem;
    font-size:.9rem; color:var(--text-body);
}
.eva-human .eva-items span i { color:var(--red); }
.eva-bot   .eva-items span i { color:var(--green); }

.eva-vs {
    font-family:var(--font-display); font-size:1.5rem; font-weight:800;
    color:var(--text-muted); text-align:center;
}

/* ════════════════════════════════
   SUBSCRIPTION PLANS
════════════════════════════════ */
.plans-grid {
    display:grid; grid-template-columns:repeat(3,1fr); gap:2rem;
    margin-bottom:3rem; align-items:start;
}

.plan-card {
    position:relative; background:var(--bg);
    border:2px solid var(--border); border-radius:var(--radius-lg);
    padding:2.25rem; box-shadow:var(--shadow-sm);
    transition:all var(--transition-slow);
}
.plan-card:hover { border-color:var(--border-hover); box-shadow:var(--shadow-lg); transform:translateY(-6px); }

.plan-card--featured {
    border-color:var(--primary);
    background:linear-gradient(160deg,rgba(99,102,241,.04) 0%,rgba(6,182,212,.03) 100%);
    box-shadow:var(--shadow-xl);
    transform:translateY(-8px);
}
.plan-card--featured:hover { transform:translateY(-14px); }

.plan-badge {
    position:absolute; top:-14px; left:50%; transform:translateX(-50%);
    padding:.35rem 1.2rem;
    background:var(--grad-primary); color:#fff;
    border-radius:var(--radius-full); font-size:.78rem; font-weight:700;
    white-space:nowrap; box-shadow:0 4px 14px rgba(99,102,241,.4);
}

.plan-tier {
    font-size:.82rem; font-weight:700; text-transform:uppercase;
    letter-spacing:.8px; color:var(--primary); margin-bottom:.5rem;
}

.plan-price {
    font-family:var(--font-display); font-size:3rem; font-weight:800;
    color:var(--text-heading); margin-bottom:1.5rem; line-height:1;
}
.plan-price span { font-size:1.15rem; color:var(--text-muted); font-weight:500; }

.plan-bots {
    background:var(--bg-gray); border:1.5px solid var(--border);
    border-radius:var(--radius-md); padding:1rem; margin-bottom:1.5rem;
    display:flex; flex-direction:column; gap:.75rem;
}

.bot-row {
    display:flex; align-items:center; gap:.85rem;
}
.bot-icon {
    width:36px; height:36px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:var(--grad-primary); border-radius:var(--radius-sm);
    color:#fff; font-size:.95rem;
}
.bot-icon--empty { background:rgba(99,102,241,.1); color:var(--primary); }

.bot-row--empty .bot-name { color:var(--text-muted); }

.bot-info { display:flex; flex-direction:column; }
.bot-name  { font-weight:600; font-size:.9rem; color:var(--text-heading); }
.bot-range { font-size:.8rem; color:var(--text-muted); }

.plan-features { display:flex; flex-direction:column; gap:.65rem; margin-bottom:1.75rem; }
.plan-features li { display:flex; align-items:center; gap:.7rem; font-size:.92rem; color:var(--text-body); }
.plan-features li i { color:var(--green); font-size:.85rem; flex-shrink:0; }

/* Scaling Box */
.scaling-box {
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-xl); padding:2.5rem;
    box-shadow:var(--shadow-sm);
}
.scaling-header {
    display:flex; align-items:center; gap:.85rem;
    margin-bottom:2rem;
}
.scaling-header i { font-size:1.6rem; color:var(--primary); }
.scaling-header h3 { margin:0; }

.scaling-flow {
    display:flex; align-items:center; gap:.75rem;
    margin-bottom:2.5rem; flex-wrap:wrap;
}
.sf-step {
    display:flex; align-items:center; gap:.75rem;
    background:var(--bg-gray); border:1.5px solid var(--border);
    border-radius:var(--radius-md); padding:.85rem 1.15rem;
    flex:1; min-width:160px;
}
.sf-step--result {
    background:rgba(99,102,241,.06); border-color:rgba(99,102,241,.25);
}
.sf-num {
    width:32px; height:32px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:var(--grad-primary); border-radius:50%;
    color:#fff; font-weight:700; font-size:.85rem;
}
.sf-step p { margin:0; font-size:.88rem; }
.sf-arrow { color:var(--text-muted); font-size:1.1rem; flex-shrink:0; }

.server-cost-box {
    display:grid; grid-template-columns:repeat(4,1fr); gap:1px;
    background:var(--border); border-radius:var(--radius-md);
    overflow:hidden; border:1.5px solid var(--border);
}
.scb-item {
    display:flex; align-items:center; gap:1rem;
    background:var(--bg-gray); padding:1.25rem 1.5rem;
}
.scb-item i { font-size:1.5rem; color:var(--primary); flex-shrink:0; }
.scb-val {
    display:block; font-family:var(--font-display);
    font-size:1.4rem; font-weight:800; color:var(--text-heading);
}
.scb-val small { font-size:.85rem; color:var(--text-muted); font-weight:500; }
.scb-label { display:block; font-size:.78rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; }
.scb-div { width:1px; background:var(--border); }

/* ════════════════════════════════
   REFERRAL
════════════════════════════════ */
.referral-layout {
    display:grid; grid-template-columns:1fr 1.4fr; gap:3rem; align-items:start;
}

.ref-tree {
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-xl); padding:2.5rem;
    text-align:center; box-shadow:var(--shadow-sm);
}
.ref-node--you {
    display:inline-flex; flex-direction:column; align-items:center; gap:.5rem;
    margin-bottom:1.75rem;
}
.ref-node--you i { font-size:3rem; color:var(--primary); }
.ref-node--you span { font-weight:700; font-size:1rem; color:var(--text-heading); }

.ref-branches { display:flex; flex-direction:column; gap:1rem; }
.ref-level { display:flex; align-items:center; gap:1rem; }
.ref-connector {
    width:28px; height:2px; flex-shrink:0;
    background:var(--border);
}
.ref-badge {
    flex:1; display:flex; align-items:center; justify-content:space-between;
    padding:.9rem 1.25rem; border-radius:var(--radius-md); border:1.5px solid;
}
.ref-pct { font-family:var(--font-display); font-size:1.6rem; font-weight:800; }
.ref-lbl { font-size:.8rem; font-weight:600; text-transform:uppercase; letter-spacing:.5px; }

.ref-l1 { border-color:rgba(99,102,241,.3); background:rgba(99,102,241,.06); }
.ref-l1 .ref-pct, .ref-l1 .ref-lbl { color:var(--primary); }
.ref-l2 { border-color:rgba(6,182,212,.3); background:rgba(6,182,212,.06); }
.ref-l2 .ref-pct, .ref-l2 .ref-lbl { color:var(--accent-dark); }
.ref-l3 { border-color:rgba(139,92,246,.3); background:rgba(139,92,246,.06); }
.ref-l3 .ref-pct, .ref-l3 .ref-lbl { color:var(--purple); }
.ref-l4 { border-color:rgba(16,185,129,.3); background:rgba(16,185,129,.06); }
.ref-l4 .ref-pct, .ref-l4 .ref-lbl { color:var(--green); }

.ref-details { display:flex; flex-direction:column; gap:1.25rem; }

.ref-detail-card {
    display:flex; gap:1.1rem; align-items:flex-start;
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-md); padding:1.5rem;
    box-shadow:var(--shadow-xs); transition:all var(--transition);
}
.ref-detail-card:hover { border-color:var(--border-hover); box-shadow:var(--shadow-md); }
.rdc-icon {
    width:44px; height:44px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:rgba(16,185,129,.1); border-radius:var(--radius-sm);
    color:var(--green); font-size:1.15rem;
}
.ref-detail-card h4 { margin-bottom:.35rem; }
.ref-detail-card p  { font-size:.9rem; margin:0; }

/* ════════════════════════════════
   PERFORMANCE
════════════════════════════════ */
.perf-cards {
    display:grid; grid-template-columns:repeat(3,1fr); gap:2rem;
    margin-bottom:3rem; align-items:start;
}
.perf-card {
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-lg); padding:2.25rem;
    box-shadow:var(--shadow-sm); text-align:center;
    transition:all var(--transition-slow);
}
.perf-card:hover { border-color:var(--border-hover); box-shadow:var(--shadow-lg); transform:translateY(-5px); }
.perf-card--featured {
    border-color:var(--primary);
    background:linear-gradient(160deg,rgba(99,102,241,.05) 0%,rgba(6,182,212,.04) 100%);
    box-shadow:var(--shadow-xl);
    transform:translateY(-8px);
}
.perf-card--featured:hover { transform:translateY(-14px); }

.perf-star {
    display:inline-flex; align-items:center; gap:.4rem;
    padding:.3rem .9rem;
    background:var(--grad-primary); color:#fff;
    border-radius:var(--radius-full); font-size:.75rem; font-weight:700;
    margin-bottom:1rem;
}

.perf-icon {
    width:64px; height:64px; border-radius:50%;
    display:flex; align-items:center; justify-content:center;
    font-size:1.6rem; color:#fff; margin:0 auto 1.25rem;
}
.perf-icon--green { background:linear-gradient(135deg,#10b981,#34d399); }
.perf-icon--amber { background:linear-gradient(135deg,#f59e0b,#fbbf24); }
.perf-icon--blue  { background:var(--grad-primary); box-shadow:var(--shadow-glow); }

.perf-card h3 { margin-bottom:1rem; }
.perf-range {
    font-family:var(--font-display); font-size:2.25rem; font-weight:800;
    background:var(--grad-primary); -webkit-background-clip:text;
    -webkit-text-fill-color:transparent; background-clip:text;
    margin-bottom:.3rem;
}
.perf-unit { font-size:.78rem; color:var(--text-muted); text-transform:uppercase; letter-spacing:.6px; margin-bottom:1.25rem; }
.perf-bar { height:5px; background:var(--bg-gray); border-radius:5px; margin-bottom:1rem; overflow:hidden; }
.perf-fill { height:100%; background:linear-gradient(90deg,#10b981,#34d399); border-radius:5px; transition:width 1.5s ease; }
.perf-fill--amber { background:linear-gradient(90deg,#f59e0b,#fbbf24); }
.perf-fill--blue  { background:var(--grad-primary); }
.perf-card p { font-size:.9rem; margin:0; }

.core-principle {
    display:flex; gap:1.5rem; align-items:flex-start;
    background:linear-gradient(135deg,rgba(99,102,241,.06) 0%,rgba(6,182,212,.06) 100%);
    border:1.5px solid rgba(99,102,241,.2); border-radius:var(--radius-lg);
    padding:2rem 2.5rem; margin-bottom:3rem;
}
.cp-icon {
    width:54px; height:54px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:var(--grad-primary); border-radius:var(--radius-md);
    color:#fff; font-size:1.4rem;
}
.core-principle h3 { margin-bottom:.5rem; }
.core-principle p  { margin:0; font-size:.95rem; }

.strategy-cards {
    display:flex; align-items:center; gap:1.5rem; margin-bottom:2.5rem; flex-wrap:wrap;
}
.strat-card {
    flex:1; min-width:220px; background:var(--bg);
    border:1.5px solid var(--border); border-radius:var(--radius-lg);
    padding:1.75rem; text-align:center; box-shadow:var(--shadow-sm);
}
.strat-icon {
    width:50px; height:50px; border-radius:var(--radius-md);
    background:var(--grad-primary); color:#fff;
    display:flex; align-items:center; justify-content:center;
    font-size:1.3rem; margin:0 auto .9rem;
}
.strat-card h4 { margin-bottom:.4rem; }
.strat-asset {
    display:inline-block; padding:.25rem .8rem;
    background:rgba(99,102,241,.08); color:var(--primary);
    border-radius:var(--radius-full); font-size:.82rem; font-weight:600;
    margin-bottom:.75rem;
}
.strat-asset--btc { background:rgba(245,158,11,.1); color:#d97706; }
.strat-card p { font-size:.88rem; margin:0; }
.strat-arrow { color:var(--text-muted); font-size:1.6rem; flex-shrink:0; }

.perf-disclaimer {
    display:flex; gap:1rem; align-items:flex-start;
    background:rgba(245,158,11,.06); border-left:4px solid var(--amber);
    border-radius:0 var(--radius-md) var(--radius-md) 0;
    padding:1.25rem 1.5rem;
}
.perf-disclaimer i { color:var(--amber); font-size:1.3rem; flex-shrink:0; margin-top:.1rem; }
.perf-disclaimer p { margin:0; font-size:.92rem; }

/* ════════════════════════════════
   SECURITY GRID
════════════════════════════════ */
.security-grid {
    display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem;
}
.sec-card {
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-lg); padding:2rem;
    box-shadow:var(--shadow-sm); transition:all var(--transition);
}
.sec-card:hover { border-color:var(--border-hover); box-shadow:var(--shadow-lg); transform:translateY(-4px); }
.sec-icon {
    width:52px; height:52px; border-radius:var(--radius-md);
    display:flex; align-items:center; justify-content:center;
    background:rgba(16,185,129,.1); color:var(--green);
    font-size:1.3rem; margin-bottom:1.1rem;
}
.sec-icon--web3 { background:rgba(99,102,241,.1); color:var(--primary); }
.sec-card h4 { margin-bottom:.5rem; }
.sec-card p  { font-size:.9rem; margin:0; }

/* ════════════════════════════════
   FAQ
════════════════════════════════ */
.faq-wrapper { display:flex; flex-direction:column; gap:1.5rem; }

.faq-group {
    background:var(--bg); border:1.5px solid var(--border);
    border-radius:var(--radius-lg); overflow:hidden;
    box-shadow:var(--shadow-sm);
}

.faq-group-header {
    display:flex; align-items:center; gap:1rem;
    padding:1.4rem 1.75rem;
    background:var(--bg-gray); border-bottom:1.5px solid var(--border);
}
.faqg-icon {
    width:38px; height:38px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    background:var(--grad-primary); border-radius:var(--radius-sm);
    color:#fff; font-size:.95rem;
}
.faq-group-header h3 { font-size:1.05rem; margin:0; flex:1; }
.faqg-count {
    padding:.25rem .8rem;
    background:rgba(99,102,241,.08); color:var(--primary);
    border-radius:var(--radius-full); font-size:.78rem; font-weight:600;
    white-space:nowrap;
}

.faq-items { padding:.5rem 0; }
.faq-item { border-bottom:1px solid var(--border); }
.faq-item:last-child { border-bottom:none; }

.faq-q {
    width:100%; display:flex; align-items:center; justify-content:space-between;
    padding:1.2rem 1.75rem; text-align:left;
    gap:1rem; transition:background var(--transition);
}
.faq-q:hover { background:var(--bg-gray); }
.faq-q span { font-weight:600; font-size:.97rem; color:var(--text-heading); }
.faq-ico { color:var(--primary); font-size:.9rem; flex-shrink:0; transition:transform var(--transition); }
.faq-item.open .faq-ico { transform:rotate(45deg); }

.faq-a {
    max-height:0; overflow:hidden; transition:max-height .4s ease, padding .3s ease;
    padding:0 1.75rem;
}
.faq-item.open .faq-a { padding:0 1.75rem 1.5rem; }

.faq-a p { margin-bottom:.75rem; font-size:.95rem; }
.faq-a p:last-child { margin-bottom:0; }
.faq-a ul { margin:.5rem 0 .75rem; display:flex; flex-direction:column; gap:.4rem; padding-left:.5rem; }
.faq-a ul li {
    padding-left:1.1rem; position:relative; font-size:.92rem; color:var(--text-body);
}
.faq-a ul li::before {
    content:'•'; position:absolute; left:0; color:var(--primary); font-weight:700;
}

.faq-note {
    display:flex; gap:.6rem; align-items:flex-start;
    padding:.85rem 1.1rem;
    background:rgba(99,102,241,.06); border-radius:var(--radius-sm);
    margin-top:.75rem;
}
.faq-note i { color:var(--primary); flex-shrink:0; margin-top:.1rem; }
.faq-note { font-size:.88rem; color:var(--text-body); }

.faq-closing {
    display:flex; gap:1.25rem; align-items:flex-start;
    background:linear-gradient(135deg,rgba(99,102,241,.06) 0%,rgba(6,182,212,.06) 100%);
    border:1.5px solid rgba(99,102,241,.2); border-radius:var(--radius-lg);
    padding:2rem; margin-top:2.5rem;
}
.faq-closing i { font-size:2rem; color:var(--amber); flex-shrink:0; }
.faq-closing h4 { margin-bottom:.5rem; }
.faq-closing p  { margin:0; font-size:.95rem; }

/* ════════════════════════════════
   CTA SECTION
════════════════════════════════ */
.cta-section {
    position:relative; padding:7rem 0; overflow:hidden;
    background:var(--grad-cta);
}
.cta-bg {
    position:absolute; inset:0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,.06) 0%, transparent 45%);
}
.cta-inner {
    position:relative; z-index:1; text-align:center;
}
.cta-tag {
    display:inline-flex; align-items:center; gap:.5rem;
    padding:.45rem 1.2rem;
    background:rgba(255,255,255,.15); border:1.5px solid rgba(255,255,255,.3);
    border-radius:var(--radius-full); color:#fff;
    font-size:.82rem; font-weight:600; margin-bottom:1.5rem;
}
.cta-inner h2 { color:#fff !important; margin-bottom:1rem; }
.cta-inner > p { color:rgba(255,255,255,.8) !important; font-size:1.15rem; margin-bottom:2.5rem; }

.cta-btns { display:flex; gap:1rem; justify-content:center; flex-wrap:wrap; margin-bottom:2.5rem; }

.cta-trust-row {
    display:flex; gap:2rem; justify-content:center; flex-wrap:wrap;
}
.cta-trust-row span {
    display:flex; align-items:center; gap:.5rem;
    color:rgba(255,255,255,.75); font-size:.88rem; font-weight:500;
}
.cta-trust-row i { color:rgba(255,255,255,.9); }

/* ════════════════════════════════
   FOOTER
════════════════════════════════ */
.footer { background:#0f172a; padding:4.5rem 0 0; }

.footer-inner {
    display:grid; grid-template-columns:1.8fr 1fr 1fr 1fr; gap:3rem;
    padding-bottom:3rem;
}

.footer-brand .logo { color:#fff; margin-bottom:1rem; }
.footer-brand .logo-accent { background:var(--grad-primary); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.footer-brand p { color:rgba(255,255,255,.55) !important; font-size:.92rem; margin-bottom:1.5rem; }

.footer-socials { display:flex; gap:.75rem; }
.footer-socials a {
    width:38px; height:38px;
    display:flex; align-items:center; justify-content:center;
    background:rgba(255,255,255,.07); border-radius:var(--radius-sm);
    color:rgba(255,255,255,.6); transition:all var(--transition);
}
.footer-socials a:hover { background:var(--primary); color:#fff; transform:translateY(-3px); }

.footer-col h5 { color:#fff !important; margin-bottom:1.25rem; font-size:.95rem; }
.footer-col ul { display:flex; flex-direction:column; gap:.65rem; }
.footer-col ul li a { color:rgba(255,255,255,.5); font-size:.9rem; transition:all var(--transition); }
.footer-col ul li a:hover { color:#fff; padding-left:4px; }

.footer-bottom {
    border-top:1px solid rgba(255,255,255,.07);
    padding:1.5rem 0;
}
.footer-bottom-inner {
    display:flex; align-items:center; justify-content:space-between;
    flex-wrap:wrap; gap:1rem;
}
.footer-bottom p { color:rgba(255,255,255,.35) !important; font-size:.84rem; margin:0; }
.risk-warning {
    display:flex; align-items:center; gap:.5rem;
    color:rgba(255,255,255,.35) !important;
}
.risk-warning i { color:var(--amber); }

/* ── Back to Top ── */
.back-to-top {
    position:fixed; bottom:28px; right:28px;
    width:46px; height:46px;
    background:var(--grad-primary);
    border-radius:50%; color:#fff; font-size:1rem;
    box-shadow:0 4px 18px rgba(99,102,241,.45);
    opacity:0; visibility:hidden;
    transition:all var(--transition); z-index:999;
}
.back-to-top.visible { opacity:1; visibility:visible; }
.back-to-top:hover { transform:translateY(-4px); box-shadow:0 8px 26px rgba(99,102,241,.6); }

/* ══════════════════════════════════
   RESPONSIVE — Tablet (≤ 1024px)
══════════════════════════════════ */
@media (max-width: 1024px) {
    .arch-grid        { grid-template-columns: 1fr 1fr; }
    .ai-cards         { grid-template-columns: 1fr 1fr; }
    .blockchain-grid  { grid-template-columns: 1fr; }
    .server-cost-box  { grid-template-columns: 1fr 1fr; }
    .footer-inner     { grid-template-columns: 1fr 1fr; }
    .plans-grid       { grid-template-columns: 1fr; max-width:480px; margin-left:auto; margin-right:auto; }
    .plan-card--featured { transform:none; }
    .plan-card--featured:hover { transform:translateY(-6px); }
    .perf-cards       { grid-template-columns: 1fr; max-width:420px; margin-left:auto; margin-right:auto; }
    .perf-card--featured { transform:none; }
    .referral-layout  { grid-template-columns: 1fr; }
    .security-grid    { grid-template-columns: 1fr 1fr; }
}

/* ══════════════════════════════════
   RESPONSIVE — Mobile (≤ 768px)
══════════════════════════════════ */
@media (max-width: 768px) {
    html { font-size: 15px; }

    .section { padding: 4.5rem 0; }

    /* Nav */
    .hamburger { display:flex; }
    .nav-links {
        position:fixed; top:72px; left:0; right:0;
        background:rgba(255,255,255,.97);
        backdrop-filter:blur(16px);
        flex-direction:column; align-items:flex-start;
        padding:1.5rem 1.5rem 2rem; gap:0;
        border-top:1.5px solid var(--border);
        transform:translateY(-120%); opacity:0;
        transition:all var(--transition-slow);
        z-index:999; pointer-events:none;
        box-shadow:var(--shadow-lg);
    }
    .nav-links.open { transform:translateY(0); opacity:1; pointer-events:all; }
    .nav-links li { width:100%; }
    .nav-link { display:block; padding:.85rem 0; border-bottom:1px solid var(--border); font-size:1rem; }
    .nav-link::after { display:none; }
    .nav-cta { display:inline-flex; margin-top:1rem; }

    /* Hero */
    .hero-stats-row { flex-direction:column; padding:1.5rem; gap:.75rem; }
    .hstat-sep { width:100%; height:1.5px; }
    .hero-actions { flex-direction:column; align-items:center; }
    .hero-actions .btn { width:100%; max-width:340px; justify-content:center; }

    /* Strip */
    .strip-inner { gap:.5rem; }
    .strip-dot { display:none; }

    /* Blockchain */
    .bc-chain-visual { justify-content:center; gap:.75rem; }
    .chain-line { min-width:10px; }

    /* Arch */
    .arch-grid { grid-template-columns:1fr; }
    .emotion-vs-ai { grid-template-columns:1fr; gap:1rem; }
    .eva-vs { text-align:left; }
    .ai-cards { grid-template-columns:1fr 1fr; }

    /* Plans */
    .plans-grid, .perf-cards { max-width:100%; }

    /* Scaling */
    .scaling-flow { flex-direction:column; align-items:flex-start; }
    .sf-arrow { transform:rotate(90deg); align-self:center; }
    .server-cost-box { grid-template-columns:1fr 1fr; }
    .scb-div { display:none; }

    /* Referral */
    .ref-tree { padding:2rem 1.25rem; }

    /* Security */
    .security-grid { grid-template-columns:1fr; }

    /* CTA */
    .cta-btns { flex-direction:column; align-items:center; }
    .cta-btns .btn { width:100%; max-width:320px; justify-content:center; }
    .cta-trust-row { gap:1.2rem; }

    /* Footer */
    .footer-inner { grid-template-columns:1fr; gap:2rem; }
    .footer-bottom-inner { flex-direction:column; text-align:center; }

    /* Strategy */
    .strategy-cards { flex-direction:column; }
    .strat-arrow { transform:rotate(90deg); align-self:center; }
}

/* ══════════════════════════════════
   RESPONSIVE — Small Mobile (≤ 480px)
══════════════════════════════════ */
@media (max-width: 480px) {
    .ai-cards { grid-template-columns:1fr; }
    .server-cost-box { grid-template-columns:1fr; }
    .hero-badge-row { flex-direction:column; align-items:center; }
    .strip-item span { display:none; }
}

/* ════════════════════════════════
   DOCUMENT BUTTONS (Presentation & Whitepaper)
════════════════════════════════ */
.hero-docs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    animation: fadeUp .8s .55s ease both;
}

.doc-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: .9rem 1.5rem;
    border-radius: var(--radius-md);
    border: 1.5px solid;
    transition: all var(--transition);
    text-decoration: none;
    min-width: 200px;
}

.doc-btn--pres {
    background: var(--grad-primary);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 4px 18px rgba(99,102,241,.35);
}
.doc-btn--pres:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(99,102,241,.5);
}

.doc-btn--white {
    background: #fff;
    border-color: var(--border);
    color: var(--text-heading);
    box-shadow: var(--shadow-sm);
}
.doc-btn--white:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.doc-btn-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    flex-shrink: 0;
}
.doc-btn--pres .doc-btn-icon {
    background: rgba(255,255,255,.2);
    color: #fff;
}
.doc-btn--white .doc-btn-icon {
    background: rgba(99,102,241,.08);
    color: var(--primary);
}

.doc-btn-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    flex: 1;
}
.doc-btn-label {
    font-size: .73rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .6px;
    opacity: .75;
}
.doc-btn--pres .doc-btn-label { color: rgba(255,255,255,.8); }
.doc-btn--white .doc-btn-label { color: var(--text-muted); }

.doc-btn-title {
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-display);
}
.doc-btn--pres .doc-btn-title { color: #fff; }
.doc-btn--white .doc-btn-title { color: var(--text-heading); }

.doc-btn-arrow {
    font-size: .85rem;
    opacity: .7;
    flex-shrink: 0;
}
.doc-btn--pres .doc-btn-arrow { color: #fff; }
.doc-btn--white .doc-btn-arrow { color: var(--primary); }

/* CTA Section doc buttons */
.cta-docs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

.cta-doc-btn {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    padding: .7rem 1.5rem;
    border-radius: var(--radius-full);
    background: rgba(255,255,255,.12);
    border: 1.5px solid rgba(255,255,255,.25);
    color: #fff;
    font-weight: 600;
    font-size: .9rem;
    backdrop-filter: blur(6px);
    transition: all var(--transition);
}
.cta-doc-btn:hover {
    background: rgba(255,255,255,.22);
    border-color: rgba(255,255,255,.5);
    transform: translateY(-2px);
}
.cta-doc-btn i:first-child { font-size: 1rem; }
.cta-doc-btn i:last-child  { font-size: .75rem; opacity: .7; }

/* ── Responsive doc buttons ── */
@media (max-width: 768px) {
    .hero-docs { flex-direction: column; align-items: center; }
    .doc-btn { width: 100%; max-width: 320px; justify-content: flex-start; }
    .cta-docs { flex-direction: column; align-items: center; }
    .cta-doc-btn { width: 100%; max-width: 280px; justify-content: center; }
}

/* ════════════════════════════════
   FAQ ANSWER ENHANCEMENTS
════════════════════════════════ */
.faq-a p + p { margin-top: .5rem; }
.faq-a strong { color: var(--text-heading); }
.faq-a em { color: var(--primary); font-style: italic; }

/* ── Utility Animations ── */
@keyframes slideInRight {
    from { transform:translateX(100%); opacity:0; }
    to   { transform:translateX(0);    opacity:1; }
}
@keyframes slideOutRight {
    from { transform:translateX(0);    opacity:1; }
    to   { transform:translateX(100%); opacity:0; }
}