/* ═══════════════════════════════════════════════════════════════
   ALT TEXT AI — NEURAL INTERFACE DESIGN SYSTEM v2.0
   Shared across all pages
   ═══════════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --bg:       #06080d;
  --bg-2:     #0a0e17;
  --bg-3:     #0f1520;
  --bg-4:     #141c2b;
  --surface:  rgba(14,20,32,0.7);
  --glass:    rgba(14,20,32,0.55);
  --glass-2:  rgba(20,28,43,0.6);
  --border:   rgba(255,255,255,0.05);
  --border-2: rgba(255,255,255,0.08);
  --border-3: rgba(255,255,255,0.12);
  --text:     #e4eaf0;
  --text-2:   #8a95a8;
  --text-3:   #4a556a;
  --cyan:     #00e8f0;
  --cyan-dim: rgba(0,232,240,0.10);
  --cyan-glow:rgba(0,232,240,0.25);
  --cyan-2:   #0090a0;
  --amber:    #f0a830;
  --amber-dim:rgba(240,168,48,0.10);
  --green:    #34d399;
  --green-dim:rgba(52,211,153,0.10);
  --rose:     #f472b6;
  --rose-dim: rgba(244,114,182,0.10);
  --violet:   #a78bfa;
  --violet-dim:rgba(167,139,250,0.10);
  --blue:     #60a5fa;
  --blue-dim: rgba(96,165,250,0.10);
  --red:      #f87171;
  --red-dim:  rgba(248,113,113,0.10);
  --r:        14px;
  --r-sm:     8px;
  --r-lg:     20px;
  --r-xl:     28px;
  --shadow:   0 20px 60px rgba(0,0,0,0.4);
  --shadow-sm:0 4px 16px rgba(0,0,0,0.2);
  --shadow-glow:0 0 40px rgba(0,232,240,0.08);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased}
.italic{font-family:'Newsreader',serif;font-style:italic}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--text-3);border-radius:3px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-sm{max-width:800px;margin:0 auto;padding:0 24px}
.container-xs{max-width:600px;margin:0 auto;padding:0 24px}

/* ── Reveal System ──────────────────────────────────────────── */
.r{opacity:0;transform:translateY(24px);transition:all 0.65s cubic-bezier(0.16,1,0.3,1)}
.r.v{opacity:1;transform:translateY(0)}
[data-d="1"].v{transition-delay:.08s}[data-d="2"].v{transition-delay:.16s}
[data-d="3"].v{transition-delay:.24s}[data-d="4"].v{transition-delay:.32s}
[data-d="5"].v{transition-delay:.4s}[data-d="6"].v{transition-delay:.48s}

@keyframes fadeDown{from{opacity:0;transform:translateY(-16px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes slideRight{from{transform:translateX(-100%)}to{transform:translateX(0)}}
@keyframes glow{0%,100%{box-shadow:0 0 20px var(--cyan-glow)}50%{box-shadow:0 0 40px var(--cyan-glow)}}

/* ── Typography ─────────────────────────────────────────────── */
h1,h2,h3,h4,h5{letter-spacing:-0.03em;line-height:1.15}
.em{font-family:'Newsreader',serif;font-style:italic;font-weight:400;background:linear-gradient(135deg,var(--cyan),#60dfe8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--cyan);font-weight:700;text-align:center;margin-bottom:10px}
.section-title{font-size:clamp(2rem,4vw,2.8rem);font-weight:800;text-align:center;margin-bottom:14px}
.section-sub{font-size:1.05rem;color:var(--text-2);text-align:center;max-width:560px;margin:0 auto 56px}
.section{padding:100px 24px;position:relative}
.section-alt{background:var(--bg-2)}

/* ── Buttons ────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:var(--r-sm);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;border:none;transition:all .3s ease;white-space:nowrap}
.btn-primary{background:var(--cyan);color:var(--bg);box-shadow:0 0 24px var(--cyan-glow),inset 0 1px 0 rgba(255,255,255,.2)}
.btn-primary:hover{box-shadow:0 0 40px var(--cyan-glow);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border-2)}
.btn-ghost:hover{border-color:var(--text-3);color:var(--text);background:rgba(255,255,255,.03)}
.btn-outline{background:transparent;color:var(--cyan);border:1px solid rgba(0,232,240,.2)}
.btn-outline:hover{background:var(--cyan-dim);border-color:rgba(0,232,240,.3)}
.btn-danger{background:var(--red-dim);color:var(--red);border:1px solid rgba(248,113,113,.15)}
.btn-danger:hover{background:rgba(248,113,113,.15)}
.btn-sm{padding:7px 14px;font-size:12px;border-radius:6px}
.btn-lg{padding:14px 32px;font-size:15px;border-radius:10px}
.btn-xl{padding:16px 40px;font-size:16px;border-radius:12px}
.btn-block{width:100%}
.btn .spinner{width:14px;height:14px;border:2px solid currentColor;border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite}

/* ── Navigation ─────────────────────────────────────────────── */
nav{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 24px;transition:all .35s ease}
nav.scrolled{background:rgba(6,8,13,.88);backdrop-filter:blur(20px) saturate(1.4);border-bottom:1px solid var(--border)}
.nav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.02em}
.logo-icon{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--cyan),var(--cyan-2));display:flex;align-items:center;justify-content:center;font-size:14px;box-shadow:0 0 20px var(--cyan-glow)}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-size:14px;font-weight:500;color:var(--text-2);transition:color .2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1.5px;background:var(--cyan);transition:width .3s}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}
@media(max-width:800px){.nav-links{display:none}.nav-cta .btn-ghost{display:none}.nav-toggle{display:block}}

/* ── Cards ──────────────────────────────────────────────────── */
.card{background:var(--glass);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--r);padding:28px;transition:all .4s ease;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:0;transition:opacity .4s}
.card:hover{border-color:var(--border-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card-flat{backdrop-filter:none;background:var(--bg-3);border:1px solid var(--border-2)}
.card-bordered{border:1px solid var(--border-3)}

/* ── Form Elements ──────────────────────────────────────────── */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:6px;letter-spacing:.02em}
.form-input{width:100%;padding:12px 16px;border-radius:var(--r-sm);border:1px solid var(--border-2);background:var(--bg-3);color:var(--text);font-size:14px;font-family:inherit;transition:all .2s;outline:none}
.form-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px var(--cyan-dim)}
.form-input::placeholder{color:var(--text-3)}
textarea.form-input{resize:vertical;min-height:100px}
select.form-input{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238a95a8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form-hint{font-size:12px;color:var(--text-3);margin-top:4px}
.form-error{font-size:12px;color:var(--red);margin-top:4px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:500px){.form-row{grid-template-columns:1fr}}
.form-divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:var(--text-3);font-size:13px}
.form-divider::before,.form-divider::after{content:'';flex:1;height:1px;background:var(--border-2)}
.checkbox-label{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);cursor:pointer}
.checkbox-label input[type="checkbox"]{width:16px;height:16px;accent-color:var(--cyan);cursor:pointer}

/* ── Badges / Tags ──────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:100px;font-size:11px;font-weight:600;letter-spacing:.04em}
.badge-cyan{background:var(--cyan-dim);color:var(--cyan);border:1px solid rgba(0,232,240,.12)}
.badge-amber{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(240,168,48,.12)}
.badge-green{background:var(--green-dim);color:var(--green);border:1px solid rgba(52,211,153,.12)}
.badge-rose{background:var(--rose-dim);color:var(--rose)}
.badge-ghost{background:var(--glass);color:var(--text-2);border:1px solid var(--border-2)}
.tag{padding:3px 8px;border-radius:4px;font-size:10px;font-weight:600;background:rgba(255,255,255,.04);color:var(--text-3);border:1px solid var(--border)}

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto;border:1px solid var(--border-2);border-radius:var(--r)}
.table{width:100%;border-collapse:collapse}
.table th{text-align:left;padding:12px 16px;font-size:12px;font-weight:600;color:var(--text-3);text-transform:uppercase;letter-spacing:.08em;background:var(--bg-3);border-bottom:1px solid var(--border-2)}
.table td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:rgba(255,255,255,.015)}

/* ── Alerts ─────────────────────────────────────────────────── */
.alert{padding:14px 18px;border-radius:var(--r-sm);font-size:13px;display:flex;align-items:flex-start;gap:10px;margin-bottom:16px}
.alert-info{background:var(--cyan-dim);border:1px solid rgba(0,232,240,.1);color:var(--cyan)}
.alert-success{background:var(--green-dim);border:1px solid rgba(52,211,153,.1);color:var(--green)}
.alert-warning{background:var(--amber-dim);border:1px solid rgba(240,168,48,.1);color:var(--amber)}
.alert-error{background:var(--red-dim);border:1px solid rgba(248,113,113,.1);color:var(--red)}

/* ── Stat Cards ─────────────────────────────────────────────── */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
.stat-card{background:var(--glass);border:1px solid var(--border);border-radius:var(--r);padding:22px;text-align:center}
.stat-num{font-size:28px;font-weight:800;letter-spacing:-.02em}
.stat-label{font-size:12px;color:var(--text-3);margin-top:2px;text-transform:uppercase;letter-spacing:.06em;font-weight:600}

/* ── Progress Bars ──────────────────────────────────────────── */
.progress{height:6px;background:var(--border);border-radius:3px;overflow:hidden}
.progress-fill{height:100%;border-radius:3px;transition:width .6s ease}
.progress-cyan .progress-fill{background:linear-gradient(90deg,var(--cyan),var(--green))}
.progress-amber .progress-fill{background:linear-gradient(90deg,var(--amber),#f0d830)}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer{border-top:1px solid var(--border);padding:48px 24px}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
@media(max-width:700px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-brand p{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.7;max-width:280px}
.footer-col h4{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);font-weight:700;margin-bottom:14px}
.footer-col a{display:block;font-size:13px;color:var(--text-2);padding:3px 0;transition:color .2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{max-width:1200px;margin:28px auto 0;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;font-size:12px;color:var(--text-3);flex-wrap:wrap;gap:12px}
.footer-legal a{color:var(--text-3);transition:color .2s}
.footer-legal a:hover{color:var(--text-2)}
.footer-legal a+a::before{content:'·';margin:0 8px}

/* ── Page Header (for inner pages) ──────────────────────────── */
.page-header{padding:140px 24px 60px;text-align:center;position:relative;overflow:hidden}
.page-header::before{content:'';position:absolute;inset:0;background:linear-gradient(rgba(0,232,240,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(0,232,240,.02) 1px,transparent 1px);background-size:50px 50px;mask-image:radial-gradient(ellipse 60% 50% at 50% 30%,black,transparent);opacity:.5}
.page-header h1{font-size:clamp(2.2rem,4.5vw,3.2rem);font-weight:900;letter-spacing:-.04em;position:relative}
.page-header p{font-size:1.1rem;color:var(--text-2);max-width:540px;margin:14px auto 0;position:relative}
.page-header .badge{margin-bottom:16px;position:relative}

/* ── Auth Layout ────────────────────────────────────────────── */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:80px 24px;position:relative}
.auth-page::before{content:'';position:absolute;top:-10%;left:50%;transform:translateX(-50%);width:700px;height:700px;background:radial-gradient(circle,var(--cyan-glow),transparent 70%);opacity:.15;pointer-events:none}
.auth-card{width:100%;max-width:440px;background:var(--glass);backdrop-filter:blur(16px);border:1px solid var(--border-2);border-radius:var(--r-lg);padding:40px;position:relative;box-shadow:var(--shadow)}
.auth-card::before{content:'';position:absolute;top:-1px;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);border-radius:var(--r-lg) var(--r-lg) 0 0}
.auth-header{text-align:center;margin-bottom:32px}
.auth-header h1{font-size:24px;font-weight:800;margin-bottom:6px}
.auth-header p{font-size:14px;color:var(--text-2)}
.auth-footer{text-align:center;margin-top:24px;font-size:13px;color:var(--text-3)}
.auth-footer a{color:var(--cyan);font-weight:500}
.auth-footer a:hover{text-decoration:underline}

/* ── Dashboard Layout ───────────────────────────────────────── */
.dash{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
@media(max-width:900px){.dash{grid-template-columns:1fr}}
.dash-sidebar{background:var(--bg-2);border-right:1px solid var(--border);padding:24px 0;position:sticky;top:0;height:100vh;overflow-y:auto}
@media(max-width:900px){.dash-sidebar{display:none}}
.dash-sidebar .logo{padding:0 20px;margin-bottom:32px}
.dash-nav{list-style:none}
.dash-nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;font-size:14px;color:var(--text-2);font-weight:500;transition:all .2s;border-left:2px solid transparent}
.dash-nav a:hover{color:var(--text);background:rgba(255,255,255,.02)}
.dash-nav a.active{color:var(--cyan);background:var(--cyan-dim);border-left-color:var(--cyan)}
.dash-nav-section{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--text-3);padding:20px 20px 6px;font-weight:700}
.dash-main{padding:32px;overflow-y:auto}
.dash-topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;flex-wrap:wrap;gap:16px}
.dash-topbar h1{font-size:22px;font-weight:800}

/* ── Credit Meter ───────────────────────────────────────────── */
.credit-meter{background:var(--glass);border:1px solid var(--border-2);border-radius:var(--r);padding:24px;border-left:3px solid var(--cyan)}
.credit-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:12px}
.credit-num{font-size:36px;font-weight:900;letter-spacing:-.03em;line-height:1}
.credit-label{font-size:12px;color:var(--text-3);margin-top:2px}
.plan-badge{padding:4px 10px;border-radius:4px;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.plan-free{background:var(--glass);color:var(--text-3);border:1px solid var(--border-2)}
.plan-bronze{background:var(--amber-dim);color:#d97706}
.plan-silver{background:var(--blue-dim);color:var(--blue)}
.plan-gold{background:var(--amber-dim);color:var(--amber);border:1px solid rgba(240,168,48,.2)}
.plan-titanium{background:var(--violet-dim);color:var(--violet)}
.plan-platinum{background:#1e293b;color:#e2e8f0}

/* ── Blog Cards ─────────────────────────────────────────────── */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
@media(max-width:700px){.blog-grid{grid-template-columns:1fr}}
.blog-card{background:var(--glass);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;transition:all .4s}
.blog-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--border-2)}
.blog-thumb{height:200px;background:linear-gradient(135deg,var(--bg-3),var(--bg-4));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.blog-thumb::after{content:'';position:absolute;inset:0;background:repeating-conic-gradient(rgba(0,232,240,.015) 0% 25%,transparent 0% 50%) 0 0/20px 20px}
.blog-body{padding:22px}
.blog-meta{display:flex;gap:12px;font-size:12px;color:var(--text-3);margin-bottom:10px}
.blog-body h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em;transition:color .2s}
.blog-card:hover .blog-body h3{color:var(--cyan)}
.blog-body p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.blog-link{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:var(--cyan);margin-top:12px;transition:gap .2s}
.blog-link:hover{gap:8px}

/* ── Docs sidebar / content ─────────────────────────────────── */
.docs-layout{display:grid;grid-template-columns:260px 1fr;gap:40px;max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:800px){.docs-layout{grid-template-columns:1fr}}
.docs-sidebar{position:sticky;top:90px;height:fit-content;padding:20px 0}
@media(max-width:800px){.docs-sidebar{position:static}}
.docs-nav{list-style:none}
.docs-nav-group{margin-bottom:20px}
.docs-nav-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--text-3);font-weight:700;margin-bottom:8px;padding:0 12px}
.docs-nav a{display:block;padding:7px 12px;font-size:13px;color:var(--text-2);border-radius:6px;transition:all .2s;font-weight:500}
.docs-nav a:hover{color:var(--text);background:rgba(255,255,255,.03)}
.docs-nav a.active{color:var(--cyan);background:var(--cyan-dim)}
.docs-content{padding-bottom:80px}
.docs-content h2{font-size:22px;font-weight:800;margin:40px 0 14px;padding-top:20px;border-top:1px solid var(--border)}
.docs-content h2:first-child{border-top:none;margin-top:0;padding-top:0}
.docs-content h3{font-size:17px;font-weight:700;margin:28px 0 10px}
.docs-content p{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:14px}
.docs-content ul{margin:0 0 14px 20px;color:var(--text-2);font-size:14px;line-height:2}
.docs-content code{background:var(--bg-3);padding:2px 8px;border-radius:4px;font-size:13px;color:var(--cyan);font-family:'Courier New',monospace}
.code-block{background:var(--bg-3);border:1px solid var(--border-2);border-radius:10px;padding:20px;margin:16px 0;font-family:'Courier New',monospace;font-size:13px;color:var(--text-2);line-height:2;overflow-x:auto}
.code-block .cmd{color:var(--cyan);font-weight:600}
.code-block .flag{color:var(--amber)}
.code-block .comment{color:var(--text-3)}
.code-block .string{color:var(--green)}

/* ── Utility ────────────────────────────────────────────────── */
.text-center{text-align:center}
.text-left{text-align:left}
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}.mt-5{margin-top:48px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}.mb-4{margin-bottom:32px}
.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.flex-wrap{flex-wrap:wrap}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:600px){.grid-2{grid-template-columns:1fr}}
.hidden{display:none!important}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
</style>