/* ═════════════════════════════════════════════════
   imatrix.world v2.0 — Professional Design System
   ═════════════════════════════════════════════════ */

/* ─── Design Tokens ─── */
:root {
    /* Depth layers */
    --bg-deep: #06060e;
    --bg-primary: #0a0a14;
    --bg-elevated: #111122;
    --bg-surface: #16162a;
    --bg-card: #1a1a32;
    --bg-card-hover: #1f1f3a;

    /* Text */
    --text-primary: #eaeaf2;
    --text-secondary: #9d9db8;
    --text-muted: #6b6b85;
    --text-on-accent: #fff;

    /* Accents */
    --accent-1: #6366f1;
    --accent-1-light: #818cf8;
    --accent-1-glow: rgba(99,102,241,0.18);
    --accent-2: #06b6d4;
    --accent-2-glow: rgba(6,182,212,0.15);
    --accent-3: #f59e0b;
    --accent-3-glow: rgba(245,158,11,0.15);
    --accent-success: #22c55e;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;

    /* Borders */
    --border-subtle: rgba(255,255,255,0.04);
    --border-default: rgba(255,255,255,0.07);
    --border-emphasis: rgba(255,255,255,0.13);
    --border-accent: rgba(99,102,241,0.2);

    /* Radii */
    --radius-xs: 6px;
    --radius-sm: 10px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 60px var(--accent-1-glow);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.25);

    /* Transitions */
    --ease-out: cubic-bezier(0.16,1,0.3,1);
    --ease-in-out: cubic-bezier(0.65,0,0.35,1);
    --ease-spring: cubic-bezier(0.34,1.56,0.64,1);
    --dur-fast: 0.15s;
    --dur-normal: 0.3s;
    --dur-slow: 0.5s;
    --dur-page: 0.7s;

    /* Typography */
    --font-sans: 'Inter', -apple-system, system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="light"] {
    --bg-deep: #f0f2f8;
    --bg-primary: #f8f9fc;
    --bg-elevated: #eef0f6;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-card-hover: #f4f6fa;
    --text-primary: #13132b;
    --text-secondary: #4b4b65;
    --text-muted: #8b8ba5;
    --border-subtle: rgba(0,0,0,0.04);
    --border-default: rgba(0,0,0,0.07);
    --border-emphasis: rgba(0,0,0,0.12);
    --border-accent: rgba(99,102,241,0.2);
    --accent-1-glow: rgba(99,102,241,0.08);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --shadow-card: 0 2px 12px rgba(0,0,0,0.05);
    --shadow-glow: 0 0 40px var(--accent-1-glow);
}

/* ─── Reset & Base ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px;-webkit-text-size-adjust:100%}
body{
    font-family:var(--font-sans);
    background:var(--bg-deep);
    color:var(--text-primary);
    line-height:1.6;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
}
body::before{
    content:'';
    position:fixed;inset:0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-1-glow) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(6,182,212,0.05) 0%, transparent 50%);
    pointer-events:none;z-index:0;
}
::selection{background:rgba(99,102,241,0.35);color:#fff}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
button{cursor:pointer;font-family:inherit}
input,textarea{font-family:inherit}

/* ─── Canvas Background ─── */
#bg-canvas{position:fixed;inset:0;z-index:0;pointer-events:none}

/* ─── Cursor Glow ─── */
#cursor-glow{
    position:fixed;width:500px;height:500px;border-radius:50%;
    background:radial-gradient(circle,rgba(99,102,241,0.05) 0%,transparent 65%);
    pointer-events:none;z-index:1;transform:translate(-50%,-50%);
    transition:transform 0.12s ease-out;
    will-change:transform;
}

/* ─── Scroll Reveal ─── */
.reveal{opacity:0;transform:translateY(30px);transition:opacity var(--dur-page) var(--ease-out),transform var(--dur-page) var(--ease-out)}
.reveal.revealed{opacity:1;transform:translateY(0)}

/* ═════════════════════════════════════════════════
   NAVBAR — Glass Morphism
   ═════════════════════════════════════════════════ */
.navbar{
    position:fixed;top:12px;left:50%;transform:translateX(-50%);
    z-index:100;width:calc(100% - 32px);max-width:1200px;
    background:rgba(10,10,20,0.55);
    backdrop-filter:blur(24px) saturate(1.8);
    -webkit-backdrop-filter:blur(24px) saturate(1.8);
    border:1px solid var(--border-default);
    border-radius:var(--radius-lg);
    transition:all var(--dur-normal) var(--ease-out);
}
[data-theme="light"] .navbar{background:rgba(248,249,252,0.65)}
.navbar.scrolled{
    background:rgba(10,10,20,0.82);
    border-color:var(--border-emphasis);
    box-shadow:0 8px 32px rgba(0,0,0,0.3);
}
[data-theme="light"] .navbar.scrolled{
    background:rgba(248,249,252,0.9);
    box-shadow:0 4px 20px rgba(0,0,0,0.08);
}

.nav-container{
    display:flex;align-items:center;justify-content:space-between;
    height:56px;padding:0 20px;
}

.nav-logo{
    display:flex;align-items:center;gap:10px;
    font-weight:700;font-size:1.15rem;letter-spacing:-0.01em;
}
.logo-icon{color:var(--accent-1);font-size:1.3rem}
.logo-accent{color:var(--accent-1);font-weight:800}
.logo-pulse{
    display:inline-block;width:8px;height:8px;border-radius:50%;
    background:var(--accent-success);margin-left:2px;
    animation:pulse 2s infinite;
    box-shadow:0 0 8px var(--accent-success);
}

.nav-links{display:flex;gap:2px}
.nav-link{
    padding:8px 16px;border-radius:var(--radius-sm);
    font-size:0.875rem;font-weight:500;color:var(--text-secondary);
    transition:all var(--dur-fast) var(--ease-out);
}
.nav-link:hover{color:var(--text-primary);background:var(--accent-1-glow)}
.nav-link.active{color:var(--accent-1);background:var(--accent-1-glow)}

.nav-actions{display:flex;align-items:center;gap:6px}

.icon-btn{
    width:36px;height:36px;border-radius:10px;
    border:1px solid var(--border-default);background:transparent;
    color:var(--text-secondary);display:flex;align-items:center;justify-content:center;
    transition:all var(--dur-fast) var(--ease-out);
}
.icon-btn:hover{border-color:var(--border-emphasis);background:var(--accent-1-glow);color:var(--accent-1)}

.lang-btn{width:auto;padding:0 12px;font-size:0.78rem;font-weight:600;letter-spacing:0.5px}

#theme-toggle .sun{display:none}
[data-theme="light"] #theme-toggle .moon{display:none}
[data-theme="light"] #theme-toggle .sun{display:block}

.menu-btn{display:none;flex-direction:column;gap:4px;background:none;border:none;padding:4px}
.menu-btn span{display:block;width:22px;height:2px;background:var(--text-primary);border-radius:2px;transition:all var(--dur-fast)}

/* ═════════════════════════════════════════════════
   HERO — Immersive
   ═════════════════════════════════════════════════ */
.hero{
    position:relative;z-index:2;
    min-height:100vh;display:flex;align-items:center;justify-content:center;
    padding:120px 24px 80px;overflow:hidden;
}
.hero-grid-bg{
    position:absolute;inset:0;
    background-image:
        linear-gradient(var(--border-subtle) 1px,transparent 1px),
        linear-gradient(90deg,var(--border-subtle) 1px,transparent 1px);
    background-size:64px 64px;
    mask-image:radial-gradient(ellipse 65% 55% at 50% 40%,black 25%,transparent 70%);
    -webkit-mask-image:radial-gradient(ellipse 65% 55% at 50% 40%,black 25%,transparent 70%);
    will-change:transform;
}
.hero-orb{
    position:absolute;border-radius:50%;pointer-events:none;
    filter:blur(80px);opacity:0.3;z-index:-1;
}
.hero-orb--1{width:500px;height:500px;background:var(--accent-1);top:-10%;left:-15%;animation:orbFloat 12s ease-in-out infinite}
.hero-orb--2{width:400px;height:400px;background:var(--accent-2);bottom:-10%;right:-10%;animation:orbFloat 15s ease-in-out infinite reverse}
.hero-orb--3{width:300px;height:300px;background:var(--accent-3);top:40%;left:60%;animation:orbFloat 18s ease-in-out infinite}

.hero-content{text-align:center;max-width:840px;position:relative}

.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 20px;border-radius:var(--radius-full);
    font-size:0.85rem;font-weight:500;
    background:var(--accent-1-glow);border:1px solid var(--border-accent);
    color:var(--accent-1);margin-bottom:28px;
    animation:fadeInUp var(--dur-page) var(--ease-out) both;
}

.hero-title{
    font-size:clamp(2.75rem,6.5vw,5rem);
    font-weight:800;line-height:1.08;letter-spacing:-0.025em;
    margin-bottom:24px;
    animation:fadeInUp var(--dur-page) var(--ease-out) 0.1s both;
}
.gradient-text{
    background:linear-gradient(135deg,var(--accent-1) 0%,var(--accent-2) 50%,var(--accent-3) 100%);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;
    background-clip:text;
}

.hero-subtitle{
    font-size:clamp(1.05rem,2vw,1.25rem);color:var(--text-secondary);
    margin-bottom:40px;max-width:620px;margin-left:auto;margin-right:auto;
    animation:fadeInUp var(--dur-page) var(--ease-out) 0.2s both;
}

.hero-actions{
    display:flex;align-items:center;justify-content:center;gap:14px;flex-wrap:wrap;
    animation:fadeInUp var(--dur-page) var(--ease-out) 0.3s both;
}

/* ─── Buttons ─── */
.btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:15px 30px;border-radius:var(--radius-md);
    font-weight:600;font-size:0.95rem;cursor:pointer;
    transition:all var(--dur-normal) var(--ease-out);
    border:none;line-height:1;position:relative;overflow:hidden;
}
.btn-primary{
    background:linear-gradient(135deg,var(--accent-1),var(--accent-1-light));
    color:var(--text-on-accent);
    box-shadow:0 4px 24px rgba(99,102,241,0.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 36px rgba(99,102,241,0.45)}
.btn-primary:active{transform:translateY(0)}
.btn-glass{
    background:rgba(255,255,255,0.04);border:1px solid var(--border-default);
    color:var(--text-primary);backdrop-filter:blur(12px);
}
.btn-glass:hover{background:rgba(255,255,255,0.08);border-color:var(--border-emphasis);transform:translateY(-2px)}
.btn-outline{
    background:transparent;border:1px solid var(--border-default);color:var(--text-secondary);
}
.btn-outline:hover{border-color:var(--accent-1);color:var(--accent-1);background:var(--accent-1-glow)}
.btn-sm{padding:10px 20px;font-size:0.85rem;border-radius:var(--radius-sm)}
.btn-icon{gap:6px}

/* ═════════════════════════════════════════════════
   HERO Stats
   ═════════════════════════════════════════════════ */
.hero-stats{
    display:flex;justify-content:center;gap:56px;margin-top:56px;
    animation:fadeInUp var(--dur-page) var(--ease-out) 0.4s both;
}
.stat-item{text-align:center}
.stat-num{
    display:block;font-size:2.5rem;font-weight:800;font-family:var(--font-mono);
    background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-1) 100%);
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.stat-label{font-size:0.85rem;color:var(--text-muted);margin-top:6px;display:block}

.hero-scroll-indicator{
    position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
    color:var(--text-muted);animation:bounce 2s infinite;opacity:0.4;
}

/* ═════════════════════════════════════════════════
   SECTIONS
   ═════════════════════════════════════════════════ */
.section{position:relative;z-index:2;padding:100px 24px;max-width:1280px;margin:0 auto}
.section-header{text-align:center;margin-bottom:72px}
.section-tag{
    display:inline-block;font-size:0.82rem;font-weight:600;
    font-family:var(--font-mono);color:var(--accent-1);
    margin-bottom:12px;letter-spacing:2.5px;text-transform:uppercase;
}
.section-title{font-size:clamp(2rem,4.5vw,3.25rem);font-weight:800;letter-spacing:-0.02em;margin-bottom:16px}
.section-desc{font-size:1.1rem;color:var(--text-secondary);max-width:620px;margin:0 auto}

/* ═════════════════════════════════════════════════
   PRODUCTS — 3D Card Grid
   ═════════════════════════════════════════════════ */
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:28px;perspective:1000px}

.product-card{
    position:relative;background:var(--bg-card);
    border:1px solid var(--border-default);border-radius:var(--radius-xl);
    padding:40px 32px;display:flex;flex-direction:column;
    transition:all var(--dur-normal) var(--ease-out);
    transform-style:preserve-3d;will-change:transform;
}
.product-card:hover{
    border-color:var(--border-emphasis);
    transform:translateY(-6px);
    box-shadow:0 24px 64px rgba(0,0,0,0.45),0 0 0 1px var(--border-accent);
    background:var(--bg-card-hover);
}
.product-card.featured{
    border-color:rgba(6,182,212,0.3);
    background:linear-gradient(160deg,var(--bg-card) 60%,rgba(6,182,212,0.04));
}
.product-card.featured:hover{
    border-color:rgba(6,182,212,0.5);
    box-shadow:0 24px 80px rgba(6,182,212,0.12);
}

.product-badge{
    position:absolute;top:20px;right:20px;
    padding:5px 14px;border-radius:var(--radius-full);
    font-size:0.75rem;font-weight:600;
    background:linear-gradient(135deg,var(--accent-2),#0d9488);color:#fff;
}

.product-icon{
    width:56px;height:56px;border-radius:var(--radius-md);
    background:var(--accent-1-glow);display:flex;align-items:center;justify-content:center;
    margin-bottom:24px;color:var(--icon-color,var(--accent-1));
    transition:transform var(--dur-normal) var(--ease-spring);
}
.product-card:hover .product-icon{transform:scale(1.1) rotate(-5deg)}

.product-name{font-size:1.2rem;font-weight:700;margin-bottom:12px;font-family:var(--font-mono);letter-spacing:-0.01em}
.product-desc{font-size:0.92rem;color:var(--text-secondary);line-height:1.7;margin-bottom:24px;flex:1}

.product-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.product-tags span{
    padding:5px 14px;border-radius:var(--radius-full);font-size:0.78rem;font-weight:500;
    background:var(--accent-1-glow);color:var(--accent-1);border:1px solid rgba(99,102,241,0.12);
}
.product-card.featured .product-tags span{background:rgba(6,182,212,0.1);color:var(--accent-2);border-color:rgba(6,182,212,0.18)}

.product-stats-bar{padding-top:18px;border-top:1px solid var(--border-subtle);margin-bottom:24px}
.stat-row{display:flex;justify-content:space-between;align-items:center;font-size:0.85rem;padding:5px 0}
.stat-row span:first-child{color:var(--text-muted)}
.status-badge{padding:3px 12px;border-radius:var(--radius-full);font-size:0.75rem;font-weight:600}
.status-active{background:rgba(34,197,94,0.12);color:#22c55e}
.status-pending{background:rgba(245,158,11,0.12);color:#f59e0b}
.status-offline{background:rgba(239,68,68,0.12);color:#ef4444}

.product-cta{align-self:flex-start}

/* ═════════════════════════════════════════════════
   ECOSYSTEM
   ═════════════════════════════════════════════════ */
.ecosystem-row{margin-top:64px}
.ecosystem-title{font-size:1.05rem;font-weight:600;margin-bottom:20px;color:var(--text-secondary)}
.eco-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.eco-card{
    display:flex;align-items:center;gap:14px;
    padding:18px 24px;background:var(--bg-card);
    border:1px solid var(--border-default);border-radius:var(--radius-md);
    transition:all var(--dur-fast) var(--ease-out);cursor:pointer;
}
.eco-card:hover{border-color:var(--border-emphasis);background:var(--bg-card-hover);transform:translateY(-2px)}
.eco-icon{font-size:1.4rem}
.eco-name{flex:1;font-size:0.9rem;font-weight:500}
.eco-status{font-size:0.7rem;padding:3px 10px;border-radius:var(--radius-full);font-weight:600}

/* ═════════════════════════════════════════════════
   AI HUB — 智能中枢
   ═════════════════════════════════════════════════ */
.ai-hub-section{padding-top:40px;padding-bottom:120px}
.ai-hub-bg{
    position:absolute;inset:0;
    background:radial-gradient(ellipse 60% 50% at 50% 50%,var(--accent-1-glow) 0%,transparent 70%);
    pointer-events:none;
}

.ai-hub-container{max-width:700px;margin:0 auto}

.ai-chat-demo{
    background:var(--bg-card);border:1px solid var(--border-default);
    border-radius:var(--radius-xl);overflow:hidden;
    box-shadow:var(--shadow-lg);transition:all var(--dur-normal) var(--ease-out);
}
.ai-chat-demo:hover{box-shadow:0 32px 96px rgba(99,102,241,0.12)}

.chat-header{
    display:flex;align-items:center;gap:12px;
    padding:16px 20px;background:rgba(0,0,0,0.2);border-bottom:1px solid var(--border-default);
}
.chat-dots{display:flex;gap:6px}
.chat-dots span{width:10px;height:10px;border-radius:50%}
.chat-dots span:nth-child(1){background:#ef4444}
.chat-dots span:nth-child(2){background:#f59e0b}
.chat-dots span:nth-child(3){background:#22c55e}
.chat-header > span:nth-child(2){flex:1;font-weight:600;font-size:0.9rem}
.chat-status{
    font-size:0.75rem;font-weight:500;color:#22c55e;
    display:flex;align-items:center;gap:5px;
}
.chat-status::before{content:'';width:6px;height:6px;border-radius:50%;background:#22c55e;animation:pulse 2s infinite}

.chat-messages{padding:20px;max-height:360px;overflow-y:auto;display:flex;flex-direction:column;gap:14px}
.msg{display:flex;gap:10px;animation:fadeInUp 0.4s var(--ease-out)}
.msg-avatar{
    font-size:1.5rem;flex-shrink:0;width:34px;height:34px;
    display:flex;align-items:center;justify-content:center;border-radius:50%;
    background:var(--accent-1-glow);
}
.msg-bubble{
    background:rgba(255,255,255,0.03);border:1px solid var(--border-default);
    border-radius:4px 14px 14px 14px;padding:14px 18px;max-width:82%;
    font-size:0.9rem;color:var(--text-secondary);line-height:1.6;
}
.msg-user .msg-bubble{border-radius:14px 4px 14px 14px;background:rgba(99,102,241,0.08);border-color:rgba(99,102,241,0.15);color:var(--text-primary)}
.msg-bubble ul{list-style:none;padding:0}
.msg-bubble li{font-size:0.88rem;padding:4px 0;color:var(--text-primary)}

.chat-suggestions{display:flex;gap:8px;padding:0 20px 16px;flex-wrap:wrap}
.suggestion-chip{
    padding:8px 16px;border-radius:var(--radius-full);font-size:0.8rem;font-weight:500;
    background:var(--accent-1-glow);border:1px solid rgba(99,102,241,0.12);
    color:var(--accent-1);cursor:pointer;transition:all var(--dur-fast) var(--ease-out);
}
.suggestion-chip:hover{background:rgba(99,102,241,0.2);border-color:rgba(99,102,241,0.3)}

.chat-input-bar{
    display:flex;align-items:center;gap:10px;
    padding:14px 18px;background:rgba(0,0,0,0.18);border-top:1px solid var(--border-default);
}
#chat-input{
    flex:1;background:transparent;border:none;outline:none;
    font-size:0.9rem;color:var(--text-primary);
}
#chat-input::placeholder{color:var(--text-muted)}

.input-actions{display:flex;align-items:center;gap:6px}
.upload-btn{
    display:flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:var(--radius-sm);color:var(--text-muted);
    cursor:pointer;transition:all var(--dur-fast);
}
.upload-btn:hover{background:var(--accent-1-glow);color:var(--accent-1)}
.send-btn{
    width:38px;height:38px;border-radius:var(--radius-sm);
    display:flex;align-items:center;justify-content:center;
    background:var(--accent-1);color:#fff;border:none;cursor:pointer;
    transition:all var(--dur-fast);
}
.send-btn:hover{background:#5558e6;transform:scale(1.05)}
.send-btn:active{transform:scale(0.95)}

/* ═════════════════════════════════════════════════
   SYSTEM DASHBOARD
   ═════════════════════════════════════════════════ */
.dashboard-section{position:relative}
.dashboard-grid{
    display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;
    max-width:960px;margin:0 auto;
}
.dashboard-card{
    background:var(--bg-card);border:1px solid var(--border-default);
    border-radius:var(--radius-lg);padding:28px;
    transition:all var(--dur-normal) var(--ease-out);
    cursor:default;
}
.dashboard-card:hover{border-color:var(--border-emphasis);box-shadow:var(--shadow-md)}
.dashboard-card__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.dashboard-card__icon{font-size:1.6rem}
.dashboard-card__title{font-size:0.85rem;font-weight:600;color:var(--text-secondary);display:block;margin-bottom:4px}
.dashboard-card__value{font-size:2rem;font-weight:800;font-family:var(--font-mono)}
.dashboard-card__footer{font-size:0.78rem;color:var(--text-muted);margin-top:8px}
.dashboard-card__bar{
    height:4px;border-radius:2px;background:var(--border-default);
    margin-top:12px;overflow:hidden;
}
.dashboard-card__bar-fill{
    height:100%;border-radius:2px;background:linear-gradient(90deg,var(--accent-1),var(--accent-1-light));
    transition:width 1s var(--ease-out);
}
.dashboard-card__bar-fill.warn{background:linear-gradient(90deg,var(--accent-3),#fbbf24)}
.dashboard-card__bar-fill.ok{background:linear-gradient(90deg,var(--accent-2),#22d3ee)}

/* ═════════════════════════════════════════════════
   FEATURES
   ═════════════════════════════════════════════════ */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.feature-card{
    background:var(--bg-card);border:1px solid var(--border-default);
    border-radius:var(--radius-lg);padding:32px 28px;
    transition:all var(--dur-normal) var(--ease-out);
    text-align:center;
}
.feature-card:hover{border-color:var(--border-emphasis);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feature-icon{font-size:2.5rem;margin-bottom:16px;display:block}
.feature-name{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.feature-desc{font-size:0.9rem;color:var(--text-secondary);line-height:1.6}

/* ═════════════════════════════════════════════════
   ABOUT
   ═════════════════════════════════════════════════ */
.about-content{display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:start}
.about-text p{font-size:1rem;color:var(--text-secondary);line-height:1.8;margin-bottom:20px}
.about-vision{
    display:flex;gap:18px;padding:24px 28px;
    background:var(--accent-1-glow);border:1px solid var(--border-accent);
    border-radius:var(--radius-md);margin-top:28px;
}
.vision-icon{font-size:2.2rem;flex-shrink:0}
.about-vision strong{display:block;margin-bottom:6px;color:var(--text-primary)}
.about-vision p{font-size:0.9rem;margin-bottom:0}

.about-tech-stack h4{font-size:0.95rem;margin-bottom:16px;color:var(--text-secondary)}
.tech-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.tech-item{
    padding:13px 18px;background:var(--bg-card);border:1px solid var(--border-default);
    border-radius:var(--radius-sm);font-size:0.85rem;font-weight:500;
    display:flex;align-items:center;gap:10px;color:var(--text-primary);
    transition:all var(--dur-fast);
}
.tech-item:hover{border-color:var(--border-emphasis);background:var(--bg-card-hover)}
.tech-dot{width:8px;height:8px;border-radius:50%;background:var(--dot,var(--accent-1));flex-shrink:0}

/* ═════════════════════════════════════════════════
   CONTACT
   ═════════════════════════════════════════════════ */
.contact-section{position:relative}
.contact-bg-pattern{
    position:absolute;inset:0;
    background:radial-gradient(circle at 20% 50%,rgba(99,102,241,0.04) 0%,transparent 50%),
               radial-gradient(circle at 80% 50%,rgba(6,182,212,0.04) 0%,transparent 50%);
    pointer-events:none;
}
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;max-width:720px;margin:0 auto}
.contact-card{
    display:flex;flex-direction:column;align-items:center;gap:10px;
    padding:32px 24px;background:var(--bg-card);border:1px solid var(--border-default);
    border-radius:var(--radius-lg);text-align:center;
    transition:all var(--dur-normal) var(--ease-out);cursor:pointer;
}
.contact-card:hover{border-color:var(--border-emphasis);transform:translateY(-3px);box-shadow:var(--shadow-md)}
.contact-emoji{font-size:2.2rem}
.contact-label{font-size:0.78rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1.5px}
.contact-value{font-weight:600;font-size:0.95rem}

/* ═════════════════════════════════════════════════
   FOOTER
   ═════════════════════════════════════════════════ */
.footer{
    position:relative;z-index:2;padding:48px 24px;
    border-top:1px solid var(--border-subtle);
    background:var(--bg-elevated);
}
.footer-container{max-width:1280px;margin:0 auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:20px}
.footer-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem}
.footer-links{display:flex;gap:28px}
.footer-links a{font-size:0.85rem;color:var(--text-muted);transition:color var(--dur-fast)}
.footer-links a:hover{color:var(--text-primary)}
.footer-copy p{font-size:0.85rem;color:var(--text-muted)}
.footer-motto{margin-top:4px;font-size:0.78rem;font-family:var(--font-mono);opacity:0.5}

/* ═════════════════════════════════════════════════
   ANIMATIONS
   ═════════════════════════════════════════════════ */
@keyframes fadeInUp{
    from{opacity:0;transform:translateY(30px)}
    to{opacity:1;transform:translateY(0)}
}
@keyframes fadeInScale{
    from{opacity:0;transform:scale(0.95)}
    to{opacity:1;transform:scale(1)}
}
@keyframes bounce{
    0%,100%{transform:translateX(-50%) translateY(0)}
    50%{transform:translateX(-50%) translateY(-10px)}
}
@keyframes pulse{
    0%,100%{opacity:1}
    50%{opacity:0.4}
}
@keyframes orbFloat{
    0%,100%{transform:translate(0,0) scale(1)}
    33%{transform:translate(30px,-30px) scale(1.05)}
    66%{transform:translate(-20px,20px) scale(0.95)}
}

/* ═════════════════════════════════════════════════
   UTILITIES
   ═════════════════════════════════════════════════ */
.glass{background:rgba(255,255,255,0.03);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-default)}

/* ─── Scrollbar ─── */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}

/* ─── Scroll to Top ─── */
#scroll-top{
    position:fixed;bottom:90px;right:20px;z-index:90;
    width:42px;height:42px;border-radius:50%;
    background:var(--bg-card);border:1px solid var(--border-default);
    color:var(--text-secondary);display:flex;align-items:center;justify-content:center;
    cursor:pointer;opacity:0;pointer-events:none;
    transition:all var(--dur-normal) var(--ease-out);
}
#scroll-top.visible{opacity:1;pointer-events:all}
#scroll-top:hover{border-color:var(--accent-1);color:var(--accent-1);box-shadow:var(--shadow-glow)}

/* ═════════════════════════════════════════════════
   RESPONSIVE
   ═════════════════════════════════════════════════ */
@media (max-width:1024px){
    .about-content{grid-template-columns:1fr}
}
@media (max-width:768px){
    .navbar{top:0;width:100%;border-radius:0;border-left:none;border-right:none;border-top:none}
    .nav-links{
        display:none;position:absolute;top:56px;left:0;right:0;
        flex-direction:column;padding:16px;background:var(--bg-primary);
        border-bottom:1px solid var(--border-default);
    }
    .nav-links.open{display:flex}
    .menu-btn{display:flex}
    .hero-stats{gap:32px}
    .products-grid{grid-template-columns:1fr}
    .hero-actions{flex-direction:column}
    .hero-actions .btn{width:100%;justify-content:center}
    .eco-cards{grid-template-columns:1fr 1fr}
    .contact-grid{grid-template-columns:1fr}
    .dashboard-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
    .hero-stats{flex-direction:column;gap:20px}
    .eco-cards{grid-template-columns:1fr}
    .tech-grid{grid-template-columns:1fr}
    .features-grid{grid-template-columns:1fr}
}