/* ══════════════════════════════════════════════════════════════
   BLAZE FAMILY — style.css
   Splash screen, WhatsApp-first, tech grid, backdrop blur
   ══════════════════════════════════════════════════════════════ */

:root {
    --bz-primary: #FFC107;
    --bz-primary-dark: #FFA000;
    --bz-primary-light: #FFD54F;
    --bz-secondary: #CC0000;
    --bz-secondary-dark: #990000;
    --bz-white: #FFFFFF;
    --bz-dark: #111111;
    --bz-gray: #6B7280;
    --bz-gray-light: #E2E8F0;
    --bz-gray-border: #CBD5E1;
    --bz-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --bz-radius: 12px;
    --bz-radius-sm: 8px;
    --bz-speed: .3s;
    --bz-shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --bz-shadow-md: 0 4px 6px rgba(0,0,0,.05), 0 10px 15px rgba(0,0,0,.05);
    --bz-shadow-lg: 0 10px 25px rgba(0,0,0,.08), 0 20px 48px rgba(0,0,0,.06);
    --bz-shadow-xl: 0 20px 50px rgba(0,0,0,.12);
}

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

.bz-wrap{width:min(90%,1100px);margin-inline:auto}

/* ── SPLASH SCREEN ── */
.bz-splash{position:fixed;inset:0;z-index:9999;background:var(--bz-secondary);display:flex;align-items:center;justify-content:center;transition:opacity .6s ease, visibility .6s ease}
.bz-splash.bz-splash--hide{opacity:0;visibility:hidden;pointer-events:none}
.bz-splash-inner{text-align:center}
.bz-splash-logo{font-family:var(--bz-font);font-size:1.6rem;font-weight:700;color:var(--bz-white);margin-bottom:24px;animation:bzFloat 2s ease-in-out infinite}
.bz-splash-logo span{color:var(--bz-primary)}
.bz-splash-bar{width:180px;height:3px;background:rgba(255,255,255,.15);border-radius:3px;overflow:hidden;margin:0 auto}
.bz-splash-bar span{display:block;width:0;height:100%;background:var(--bz-primary);border-radius:3px;animation:bzLoad 1.4s ease forwards}

@keyframes bzFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes bzLoad{0%{width:0}100%{width:100%}}

/* ── TECH GRID BACKGROUND ── */
body::before{
    content:'';
    position:fixed;
    inset:0;
    z-index:-1;
    background:
        linear-gradient(rgba(0,0,0,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,.02) 1px, transparent 1px);
    background-size:40px 40px;
    pointer-events:none;
}

/* ── NAVBAR ── */
.bz-navbar{position:fixed;top:0;left:0;right:0;z-index:500;height:64px;display:flex;align-items:center;transition:background var(--bz-speed), box-shadow var(--bz-speed), backdrop-filter var(--bz-speed)}
.bz-navbar.bz-navbar--scrolled{background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);box-shadow:var(--bz-shadow-sm)}
.bz-navbar-inner{display:flex;align-items:center;justify-content:space-between}

.bz-brand{font-size:1.15rem;font-weight:700;color:var(--bz-white);transition:color var(--bz-speed)}
.bz-brand span{color:var(--bz-primary)}
.bz-navbar--scrolled .bz-brand{color:var(--bz-dark)}

.bz-nav-cta{display:inline-flex;align-items:center;gap:6px;padding:8px 20px;border-radius:999px;font-size:.82rem;font-weight:600;background:var(--bz-primary);color:var(--bz-dark);transition:background var(--bz-speed),transform var(--bz-speed)}
.bz-nav-cta:hover{background:var(--bz-primary-dark);transform:translateY(-1px)}

/* ── HERO ── */
.bz-hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.bz-hero-bg{position:absolute;inset:0;background:var(--bz-secondary);z-index:0}
.bz-hero-bg::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 60% 40%,rgba(255,193,7,.12) 0%,transparent 55%)}
.bz-hero-bg::after{content:'';position:absolute;bottom:0;left:0;right:0;height:120px;background:linear-gradient(to top,rgba(0,0,0,.15),transparent)}
.bz-hero-content{position:relative;z-index:1;padding:140px 0 100px;max-width:640px}

.bz-badge{display:inline-block;padding:6px 16px;border-radius:999px;font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;background:rgba(255,193,7,.15);color:var(--bz-primary);border:1px solid rgba(255,193,7,.25);margin-bottom:20px}
.bz-hero-title{font-size:clamp(2rem,5.5vw,3.2rem);font-weight:800;color:var(--bz-white);line-height:1.12;margin-bottom:16px;letter-spacing:-.03em}
.bz-hero-title .bz-highlight{background:linear-gradient(135deg,var(--bz-primary),var(--bz-primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.bz-hero-sub{font-size:1.05rem;color:rgba(255,255,255,.7);margin-bottom:32px;line-height:1.7;max-width:520px}

/* ── BUTTONS ── */
.bz-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 32px;border-radius:var(--bz-radius-sm);font-weight:700;font-size:.92rem;transition:all var(--bz-speed)}
.bz-btn--hero{background:var(--bz-primary);color:var(--bz-dark)}
.bz-btn--hero:hover{background:var(--bz-primary-dark);transform:translateY(-2px);box-shadow:var(--bz-shadow-lg)}
.bz-btn--cta{background:var(--bz-secondary);color:var(--bz-white);padding:16px 40px;font-size:1rem}
.bz-btn--cta:hover{background:var(--bz-secondary-dark);transform:translateY(-2px);box-shadow:var(--bz-shadow-lg)}

/* ── SECTIONS ── */
.bz-section{padding:88px 0;position:relative}
.bz-section--dark{background:var(--bz-dark)}
.bz-sec-header{text-align:center;margin-bottom:52px}
.bz-label{display:inline-block;padding:4px 14px;border-radius:999px;font-size:.7rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;background:rgba(204,0,0,.08);color:var(--bz-secondary);margin-bottom:12px}
.bz-label--light{background:rgba(255,193,7,.12);color:var(--bz-primary)}
.bz-sec-title{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:800;color:var(--bz-dark);letter-spacing:-.02em;margin-bottom:10px}
.bz-sec-title--light{color:var(--bz-white)}
.bz-sec-desc{font-size:.95rem;color:var(--bz-gray);max-width:460px;margin-inline:auto}

/* ── SERVICE CARDS ── */
.bz-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.bz-card{background:rgba(255,255,255,.75);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid var(--bz-gray-border);border-radius:var(--bz-radius);padding:28px 24px;cursor:pointer;transition:transform var(--bz-speed), box-shadow var(--bz-speed), border-color var(--bz-speed)}
.bz-card:hover{transform:translateY(-6px);box-shadow:var(--bz-shadow-xl);border-color:var(--bz-primary)}
.bz-card-icon{font-size:2rem;margin-bottom:14px;display:block}
.bz-card-title{font-size:1rem;font-weight:700;color:var(--bz-dark);margin-bottom:6px}
.bz-card-desc{font-size:.84rem;color:var(--bz-gray);line-height:1.6}
.bz-card-action{display:inline-flex;align-items:center;gap:4px;margin-top:14px;font-size:.78rem;font-weight:600;color:var(--bz-secondary);transition:gap var(--bz-speed)}
.bz-card:hover .bz-card-action{gap:8px}

/* ── TRUST GRID ── */
.bz-trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.bz-trust-card{text-align:center;padding:28px 18px;border:1px solid rgba(255,255,255,.08);border-radius:var(--bz-radius);background:rgba(255,255,255,.03);backdrop-filter:blur(4px);transition:transform var(--bz-speed), background var(--bz-speed)}
.bz-trust-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.06)}
.bz-trust-icon{font-size:2rem;margin-bottom:12px;display:block}
.bz-trust-title{font-size:.92rem;font-weight:700;color:var(--bz-white);margin-bottom:6px}
.bz-trust-desc{font-size:.8rem;color:rgba(255,255,255,.5);line-height:1.55}

/* ── CTA BOX ── */
.bz-cta-box{text-align:center;padding:60px 40px;border-radius:var(--bz-radius);background:var(--bz-dark);position:relative;overflow:hidden}
.bz-cta-box::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(255,193,7,.1) 0%,transparent 60%);pointer-events:none}
.bz-cta-title{font-size:clamp(1.3rem,3vw,1.9rem);font-weight:800;color:var(--bz-white);margin-bottom:12px;position:relative}
.bz-cta-desc{font-size:.95rem;color:rgba(255,255,255,.6);margin-bottom:28px;max-width:480px;margin-inline:auto;position:relative}

/* ── FOOTER ── */
.bz-footer{background:var(--bz-secondary);color:rgba(255,255,255,.8);padding:48px 0 24px}
.bz-footer-brand{font-size:1.2rem;font-weight:700;color:var(--bz-white);margin-bottom:20px}
.bz-footer-brand span{color:var(--bz-primary)}
.bz-footer-info{display:flex;flex-direction:column;gap:6px;font-size:.85rem;margin-bottom:20px}
.bz-footer-info a{text-decoration:underline;text-underline-offset:2px}
.bz-footer-info a:hover{color:var(--bz-white)}
.bz-footer-links{display:flex;gap:16px;font-size:.8rem;margin-bottom:20px}
.bz-footer-links a:hover{color:var(--bz-white)}
.bz-footer-line{height:1px;background:rgba(255,255,255,.12);margin-bottom:16px}
.bz-footer-copy{font-size:.72rem;color:rgba(255,255,255,.4)}

/* ── FAB (WhatsApp) ── */
.bz-fab{position:fixed;bottom:22px;right:22px;z-index:400;width:54px;height:54px;background:#25d366;border-radius:50%;display:grid;place-items:center;box-shadow:var(--bz-shadow-lg);transition:transform var(--bz-speed)}
.bz-fab:hover{transform:scale(1.08)}

/* ── FADE-UP ANIMATION ── */
.bz-fade{opacity:0;transform:translateY(28px);transition:opacity .6s ease, transform .6s ease}
.bz-fade.bz-visible{opacity:1;transform:translateY(0)}
.bz-fade:nth-child(2){transition-delay:.08s}
.bz-fade:nth-child(3){transition-delay:.16s}
.bz-fade:nth-child(4){transition-delay:.24s}
.bz-fade:nth-child(5){transition-delay:.32s}
.bz-fade:nth-child(6){transition-delay:.4s}

/* ── RESPONSIVE ── */
@media(max-width:960px){
    .bz-cards{grid-template-columns:repeat(2,1fr)}
    .bz-trust-grid{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
    .bz-section{padding:64px 0}
    .bz-hero{min-height:auto}
    .bz-hero-content{padding:120px 0 80px}
    .bz-cards{grid-template-columns:1fr}
    .bz-trust-grid{grid-template-columns:1fr}
    .bz-cta-box{padding:40px 24px}
    .bz-footer-links{flex-direction:column;gap:8px}
}

@media(max-width:480px){
    .bz-wrap{width:90%}
    .bz-hero-content{padding:100px 0 60px}
    .bz-btn{width:100%;justify-content:center}
}