/* ============================================
   ClassaTech – Global Styles  (v2)
   Palette: Deep Charcoal + Warm Amber / Gold
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

:root {
  --black:        #09090b;
  --charcoal:     #111114;
  --surface:      #18181b;
  --card:         #1c1c21;
  --border:       rgba(255,255,255,0.06);
  --border-accent:rgba(234,179,8,0.18);
  --amber:        #eab308;
  --gold:         #facc15;
  --warm:         #f59e0b;
  --accent-grad:  linear-gradient(135deg,#eab308,#f59e0b);
  --accent-hover: linear-gradient(135deg,#ca8a04,#d97706);
  --green:        #22c55e;
  --red:          #ef4444;
  --text:         #fafaf9;
  --text-2:       #a1a1aa;
  --text-3:       #71717a;
  --glow-amber:   rgba(234,179,8,0.10);
  --glow-warm:    rgba(245,158,11,0.08);
  --font-head:    'Outfit', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'Space Mono', monospace;
  --radius:       12px;
  --radius-lg:    20px;
  --ease:         0.3s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:var(--font-body);
  background:var(--black);
  color:var(--text);
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

body::before{
  content:'';position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.025'/%3E%3C/svg%3E");
  pointer-events:none;z-index:0;
}

.container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}
a{color:var(--amber);text-decoration:none;transition:var(--ease);}
a:hover{color:var(--gold);}
img{max-width:100%;display:block;}

h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;line-height:1.15;color:var(--text);}
h1{font-size:clamp(2.6rem,5vw,4rem);letter-spacing:-.03em;}
h2{font-size:clamp(1.9rem,3.5vw,2.8rem);letter-spacing:-.02em;}
h3{font-size:clamp(1.25rem,2vw,1.55rem);}
p{color:var(--text-2);font-size:1.05rem;}

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

.section-label{
  font-family:var(--font-mono);font-size:.75rem;font-weight:700;text-transform:uppercase;
  letter-spacing:.18em;color:var(--amber);margin-bottom:14px;display:inline-block;
}

/* ---- HEADER ---- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:14px 0;background:rgba(9,9,11,.82);backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-bottom:1px solid var(--border);transition:var(--ease);}
.site-header .container{display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-size:1.5rem;font-weight:800;color:var(--text);text-decoration:none;}
.logo svg{width:36px;height:36px;}
.logo span.accent{background:var(--accent-grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.nav-links{display:flex;align-items:center;gap:36px;list-style:none;}
.nav-links a{color:var(--text-3);font-size:.95rem;font-weight:500;text-decoration:none;position:relative;padding:4px 0;}
.nav-links a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent-grad);border-radius:1px;transition:width .3s ease;}
.nav-links a:hover,.nav-links a.active{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-cta{background:var(--accent-grad);color:#000!important;padding:10px 24px;border-radius:8px;font-weight:700;font-size:.9rem;border:none;cursor:pointer;transition:var(--ease);}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 30px rgba(234,179,8,.25);}
.mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;}
.mobile-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:var(--ease);}
@media(max-width:768px){
  .mobile-toggle{display:flex;}
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--charcoal);flex-direction:column;padding:24px;gap:20px;border-bottom:1px solid var(--border);}
  .nav-links.open{display:flex;}
}

/* ---- HERO ---- */
.hero{padding:160px 0 100px;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;top:-200px;right:-200px;width:600px;height:600px;background:radial-gradient(circle,var(--glow-amber),transparent 70%);pointer-events:none;}
.hero::after{content:'';position:absolute;bottom:-100px;left:-150px;width:400px;height:400px;background:radial-gradient(circle,var(--glow-warm),transparent 70%);pointer-events:none;}
.hero .container{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;}
.hero-content h1{margin-bottom:24px;}
.hero-content p{font-size:1.18rem;margin-bottom:36px;max-width:540px;}
.hero-visual{display:flex;justify-content:center;align-items:center;}
.hero-visual svg{width:100%;max-width:480px;height:auto;}
@media(max-width:768px){.hero .container{grid-template-columns:1fr;text-align:center;}.hero-content p{margin-left:auto;margin-right:auto;}.hero-visual{order:-1;}.hero-visual svg{max-width:320px;}}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:10px;font-family:var(--font-body);font-size:1rem;font-weight:600;cursor:pointer;transition:var(--ease);border:none;text-decoration:none;}
.btn-primary{background:var(--accent-grad);color:#000;box-shadow:0 4px 20px rgba(234,179,8,.2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(234,179,8,.35);color:#000;}
.btn-outline{background:transparent;color:var(--text);border:1.5px solid var(--border-accent);}
.btn-outline:hover{border-color:var(--amber);background:rgba(234,179,8,.05);color:var(--text);}
.btn-group{display:flex;gap:16px;flex-wrap:wrap;}
@media(max-width:768px){.btn-group{justify-content:center;}}

/* ---- Sections ---- */
section{padding:100px 0;position:relative;z-index:1;}
.section-header{text-align:center;margin-bottom:60px;max-width:680px;margin-left:auto;margin-right:auto;}
.section-header h2{margin-bottom:16px;}
.section-header p{font-size:1.1rem;}
.alt-bg{background:var(--charcoal);}

/* ---- Cards ---- */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:28px;}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;transition:var(--ease);position:relative;overflow:hidden;}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-grad);opacity:0;transition:var(--ease);}
.card:hover{transform:translateY(-4px);border-color:var(--border-accent);box-shadow:0 12px 40px rgba(0,0,0,.4);}
.card:hover::before{opacity:1;}
.card-icon{width:56px;height:56px;border-radius:14px;background:rgba(234,179,8,.06);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center;margin-bottom:20px;}
.card-icon svg{width:28px;height:28px;stroke:var(--amber);fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;}
.card h3{margin-bottom:12px;}
.card p{font-size:.95rem;line-height:1.75;}

/* ---- Feature Rows ---- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:60px 0;}
.feature-row.reverse{direction:rtl;}
.feature-row.reverse>*{direction:ltr;}
.feature-visual{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;display:flex;align-items:center;justify-content:center;min-height:340px;}
.feature-visual svg{width:100%;max-width:360px;height:auto;}
.feature-text h3{font-size:1.6rem;margin-bottom:16px;}
.feature-text p{margin-bottom:20px;}
.feature-list{list-style:none;padding:0;}
.feature-list li{padding:8px 0;color:var(--text-2);display:flex;align-items:center;gap:12px;font-size:.95rem;}
.feature-list li::before{content:'';width:7px;height:7px;border-radius:50%;background:var(--amber);flex-shrink:0;}
@media(max-width:768px){.feature-row,.feature-row.reverse{grid-template-columns:1fr;gap:40px;direction:ltr;}}

/* ---- CTA Banner ---- */
.cta-banner{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:72px 48px;text-align:center;position:relative;overflow:hidden;}
.cta-banner::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 40%,var(--glow-amber),transparent 50%),radial-gradient(circle at 70% 60%,var(--glow-warm),transparent 50%);pointer-events:none;}
.cta-banner>*{position:relative;z-index:1;}
.cta-banner h2{margin-bottom:16px;}
.cta-banner p{font-size:1.1rem;margin-bottom:32px;max-width:580px;margin-left:auto;margin-right:auto;}

/* ---- Contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;align-items:start;}
@media(max-width:768px){.contact-grid{grid-template-columns:1fr;}}
.contact-info-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;}
.contact-item{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--border);}
.contact-item:last-child{border-bottom:none;}
.contact-item-icon{width:44px;height:44px;border-radius:10px;background:rgba(234,179,8,.06);border:1px solid var(--border-accent);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.contact-item-icon svg{width:20px;height:20px;stroke:var(--amber);fill:none;stroke-width:1.5;}
.contact-item h4{font-size:.85rem;color:var(--text-3);font-weight:500;margin-bottom:4px;}
.contact-item p,.contact-item a{color:var(--text);font-size:1rem;font-weight:500;}

.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;}
.form-card h3{margin-bottom:8px;}
.form-card>p{margin-bottom:32px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media(max-width:480px){.form-row{grid-template-columns:1fr;}}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-size:.88rem;font-weight:500;color:var(--text-2);margin-bottom:8px;}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:var(--font-body);font-size:.95rem;transition:var(--ease);outline:none;}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(234,179,8,.1);}
.form-group textarea{resize:vertical;min-height:130px;}
.form-group select{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden;}
.form-status{display:none;padding:14px 20px;border-radius:10px;margin-top:16px;font-size:.95rem;font-weight:500;}
.form-status.success{display:block;background:rgba(34,197,94,.08);border:1px solid rgba(34,197,94,.25);color:#22c55e;}
.form-status.error{display:block;background:rgba(239,68,68,.08);border:1px solid rgba(239,68,68,.25);color:#ef4444;}
.form-loading{opacity:.6;pointer-events:none;}

/* ---- Footer ---- */
.site-footer{background:var(--charcoal);border-top:1px solid var(--border);padding:64px 0 32px;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand p{font-size:.9rem;margin-top:16px;max-width:300px;}
.footer-col h4{font-family:var(--font-head);font-size:.9rem;font-weight:600;margin-bottom:20px;color:var(--text);}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{color:var(--text-3);font-size:.9rem;transition:var(--ease);}
.footer-col ul li a:hover{color:var(--text);}
.footer-bottom{border-top:1px solid var(--border);padding-top:24px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;}
.footer-bottom p{font-size:.85rem;color:var(--text-3);}
.social-links{display:flex;gap:16px;}
.social-links a{width:36px;height:36px;border-radius:8px;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;transition:var(--ease);}
.social-links a:hover{background:rgba(234,179,8,.08);border-color:var(--border-accent);}
.social-links a svg{width:16px;height:16px;fill:var(--text-3);transition:var(--ease);}
.social-links a:hover svg{fill:var(--amber);}

/* ---- Page Banner ---- */
.page-banner{padding:160px 0 80px;text-align:center;position:relative;overflow:hidden;}
.page-banner::before{content:'';position:absolute;top:-100px;left:50%;transform:translateX(-50%);width:800px;height:400px;background:radial-gradient(ellipse,var(--glow-amber),transparent 70%);pointer-events:none;}
.page-banner h1{margin-bottom:16px;position:relative;}
.page-banner p{font-size:1.15rem;max-width:600px;margin:0 auto;position:relative;}

/* ---- About ---- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;}
.about-grid .about-visual{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:48px;display:flex;align-items:center;justify-content:center;min-height:380px;}
@media(max-width:768px){.about-grid{grid-template-columns:1fr;}}
.values-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;}
.value-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px;transition:var(--ease);}
.value-card:hover{border-color:var(--border-accent);}
.value-card h3{font-size:1.1rem;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.value-card p{font-size:.9rem;}
.prose{max-width:700px;}
.prose p{margin-bottom:18px;font-size:1.05rem;line-height:1.8;}
.prose p:last-child{margin-bottom:0;}

/* ---- FAQ ---- */
.faq-list{max-width:760px;margin:0 auto;}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;background:var(--card);transition:var(--ease);}
.faq-item:hover{border-color:var(--border-accent);}
.faq-q{display:flex;justify-content:space-between;align-items:center;cursor:pointer;padding:20px 24px;font-weight:600;font-size:1.05rem;color:var(--text);user-select:none;gap:16px;}
.faq-q svg{flex-shrink:0;width:20px;height:20px;stroke:var(--text-3);transition:transform .3s ease;}
.faq-item.open .faq-q svg{transform:rotate(180deg);stroke:var(--amber);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .3s ease;}
.faq-a-inner{padding:0 24px 20px;color:var(--text-2);font-size:.95rem;line-height:1.8;}
.faq-item.open .faq-a{max-height:400px;}

/* ---- Testimonial ---- */
.testimonial-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;position:relative;max-width:640px;margin:0 auto;}
.testimonial-card::before{content:'\201C';font-family:Georgia,serif;font-size:5rem;position:absolute;top:-10px;left:24px;color:var(--amber);opacity:.2;line-height:1;}
.testimonial-card blockquote{font-size:1.1rem;color:var(--text-2);line-height:1.8;font-style:italic;margin-bottom:20px;position:relative;}
.testimonial-author{font-weight:600;color:var(--text);font-size:.95rem;}
.testimonial-role{color:var(--text-3);font-size:.85rem;}

/* ---- Map ---- */
.map-wrap{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);height:380px;background:var(--card);display:flex;align-items:center;justify-content:center;}
.map-wrap iframe{width:100%;height:100%;border:none;filter:brightness(.75) contrast(1.1) saturate(0) invert(1) hue-rotate(180deg);}

/* ---- Divider / Sitemap ---- */
.section-divider{width:100%;height:1px;background:var(--border);border:none;}
.sitemap-list{list-style:none;padding:0;}
.sitemap-list>li{margin-bottom:32px;}
.sitemap-list>li>a{font-family:var(--font-head);font-size:1.3rem;font-weight:600;color:var(--text);}
.sitemap-list>li>a:hover{color:var(--amber);}
.sitemap-sub{list-style:none;margin-top:12px;padding-left:24px;border-left:2px solid var(--border-accent);}
.sitemap-sub li{margin-bottom:8px;}
.sitemap-sub li a{color:var(--text-2);font-size:1rem;}
.sitemap-sub li a:hover{color:var(--amber);}

/* ---- Animations ---- */
.fade-up{opacity:0;transform:translateY(30px);transition:opacity .7s ease,transform .7s ease;}
.fade-up.visible{opacity:1;transform:translateY(0);}
.stagger-1{transition-delay:.1s;}.stagger-2{transition-delay:.2s;}.stagger-3{transition-delay:.3s;}
.stagger-4{transition-delay:.4s;}.stagger-5{transition-delay:.5s;}.stagger-6{transition-delay:.6s;}