/* ==========================================
   SPINXO HOLDINGS — MINIMAL DESIGN SYSTEM
   ========================================== */

:root {
    --bg:   #0b0b0f;
    --bg2:  #111118;
    --card: #16161e;
    --border: rgba(255,255,255,.06);
    --text: #eaeaef;
    --text2: #8a8a9a;
    --text3: #55556a;
    --accent: #a78bfa;          /* soft violet */
    --accent2: #c4b5fd;
    --accent-glow: rgba(167,139,250,.12);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease: cubic-bezier(.16,1,.3,1);
    --max-w: 1100px;
}

/* ── Reset ── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:var(--bg)}

.container{max-width:var(--max-w);margin:0 auto;padding:0 24px}

/* ── Nav ── */
nav{position:fixed;top:0;left:0;width:100%;z-index:100;padding:20px 0;transition:all .4s var(--ease)}
nav.scrolled{padding:14px 0;background:rgba(11,11,15,.82);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--max-w);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.logo{font-size:1.25rem;font-weight:700;letter-spacing:-.03em;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:.875rem;font-weight:450;color:var(--text2);transition:color .3s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-cta{color:var(--accent)!important;font-weight:600!important}

.burger{display:none;background:none;border:none;cursor:pointer;padding:8px;flex-direction:column;gap:6px}
.burger span{width:22px;height:1.5px;background:var(--text);border-radius:2px;transition:all .3s var(--ease)}
.burger.open span:first-child{transform:translateY(3.75px) rotate(45deg)}
.burger.open span:last-child{transform:translateY(-3.75px) rotate(-45deg)}

/* ── Hero ── */
#hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding:140px 0 100px}
.hero-glow{position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,var(--accent-glow) 0%,transparent 70%);top:-100px;right:-100px;pointer-events:none;animation:glowDrift 12s ease-in-out infinite alternate}
@keyframes glowDrift{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-80px,60px) scale(1.15)}}

.hero-content{position:relative;z-index:1;max-width:680px}
.hero-tag{font-size:.75rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--text3);margin-bottom:24px}
#hero h1{font-size:clamp(2.6rem,5.5vw,4rem);font-weight:700;line-height:1.1;letter-spacing:-.04em;margin-bottom:24px}
.accent{color:var(--accent)}
.hero-desc{font-size:1.1rem;color:var(--text2);max-width:520px;margin-bottom:40px;line-height:1.75}
.hero-btns{display:flex;gap:16px;align-items:center;flex-wrap:wrap}

/* Buttons */
.btn-main{display:inline-flex;align-items:center;padding:12px 28px;background:var(--accent);color:var(--bg);font-family:var(--font);font-size:.9rem;font-weight:600;border-radius:10px;border:none;cursor:pointer;transition:all .35s var(--ease)}
.btn-main:hover{background:var(--accent2);transform:translateY(-2px);box-shadow:0 8px 30px var(--accent-glow)}
.btn-ghost{font-size:.9rem;font-weight:500;color:var(--text2);transition:color .3s var(--ease)}
.btn-ghost:hover{color:var(--accent)}

/* ── Sections ── */
section{padding:100px 0}
.tag{display:inline-block;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--accent);margin-bottom:12px}

section h2{font-size:clamp(1.6rem,3.5vw,2.2rem);font-weight:700;letter-spacing:-.03em;line-height:1.2;margin-bottom:20px}
section p{color:var(--text2);line-height:1.8;margin-bottom:16px}

/* ── Split Layout ── */
.split{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}

/* ── Stats ── */
#stats{padding:60px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.stats-row{display:flex;justify-content:center;gap:80px}
.stat{text-align:center}
.stat-num{display:block;font-size:2.8rem;font-weight:700;letter-spacing:-.04em;color:var(--text);line-height:1}
.stat-lbl{display:block;font-size:.75rem;color:var(--text3);text-transform:uppercase;letter-spacing:.1em;margin-top:6px}

/* ── Cards ── */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.card{padding:32px 28px;background:var(--card);border:1px solid var(--border);border-radius:16px;transition:all .4s var(--ease)}
.card:hover{border-color:rgba(167,139,250,.15);transform:translateY(-3px);box-shadow:0 16px 50px -12px rgba(0,0,0,.5)}
.card-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--accent-glow);border-radius:10px;color:var(--accent);margin-bottom:20px}
.card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;color:var(--text)}
.card p{font-size:.9rem;color:var(--text2);margin-bottom:0;line-height:1.65}

/* ── Approach ── */
#approach{background:var(--bg2)}
.approach-list{margin-top:32px;display:flex;flex-direction:column;gap:24px}
.approach-item{display:flex;gap:20px;align-items:flex-start}
.approach-num{font-size:.75rem;font-weight:700;color:var(--accent);background:var(--accent-glow);width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:2px}
.approach-item h4{font-size:.95rem;font-weight:600;margin-bottom:4px;color:var(--text)}
.approach-item p{font-size:.875rem;color:var(--text2);margin-bottom:0;line-height:1.6}

/* ── Contact ── */
#contact{text-align:center}
.contact-box{max-width:560px;padding:60px 40px;background:var(--card);border:1px solid var(--border);border-radius:20px}
.contact-box h2{margin-bottom:12px}
.contact-box p{margin-bottom:28px}

/* ── Footer ── */
footer{border-top:1px solid var(--border);padding:28px 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center}
.footer-copy{font-size:.8rem;color:var(--text3)}

/* ── Reveal Animations ── */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
[data-reveal].visible{opacity:1;transform:translateY(0)}

/* ── Responsive ── */
@media(max-width:768px){
    section{padding:72px 0}
    .nav-links{position:fixed;top:0;right:-100%;width:70%;max-width:280px;height:100vh;background:var(--bg2);flex-direction:column;align-items:flex-start;padding:80px 28px 28px;gap:20px;transition:right .35s var(--ease);border-left:1px solid var(--border)}
    .nav-links.open{right:0}
    .burger{display:flex}
    .split{grid-template-columns:1fr;gap:24px}
    .card-grid{grid-template-columns:1fr}
    .stats-row{flex-direction:column;gap:32px}
    .hero-btns{flex-direction:column;align-items:flex-start}
    .contact-box{padding:40px 24px}
    .footer-inner{flex-direction:column;gap:8px;text-align:center}
}