*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--black:#0a0a0a;--white:#fafafa;--grey-light:#f4f3f0;--grey-mid:#c8c6c1;--grey-dark:#6b6965;--amber:#E8943A;--amber-light:#f5b87a;--fd:'Playfair Display',serif;--fb:'Inter',sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--fb);background:var(--white);color:var(--black);line-height:1.7;overflow-x:hidden}

/* NAV */
#navbar{position:fixed;top:0;left:0;right:0;z-index:9999;display:flex;align-items:center;justify-content:space-between;padding:0 5vw;height:68px;background:transparent;transition:background .35s,border-color .35s,box-shadow .35s}
#navbar.scrolled{background:rgba(10,10,10,0.96);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(255,255,255,0.08)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.nav-logo-icon{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--amber)}
.nav-logo-icon span{font-family:var(--fd);font-size:18px;font-weight:700;line-height:1;color:var(--black)}
.nav-logo-text{font-family:var(--fd);font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--white)}
.nav-logo-text em{font-style:italic;color:var(--amber)}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center;margin:0;padding:0}
.nav-links a{font-size:14px;font-weight:500;text-decoration:none;color:rgba(255,255,255,0.7);transition:color .2s;white-space:nowrap}
.nav-links a:hover{color:var(--white)}
.nav-cta{font-size:14px;font-weight:600;padding:9px 20px;border-radius:6px;text-decoration:none;background:var(--amber);color:var(--black);transition:background .2s,transform .15s;white-space:nowrap}
.nav-cta:hover{background:var(--amber-light);transform:translateY(-1px)}
.nav-burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px;flex-shrink:0}
.nav-burger span{display:block;width:24px;height:2px;border-radius:2px;background:var(--white)}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;background:#111;border-bottom:1px solid rgba(255,255,255,0.08);padding:20px 5vw 28px;z-index:9998;flex-direction:column;gap:4px}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:16px;font-weight:500;color:rgba(255,255,255,0.8);text-decoration:none;padding:10px 0;border-bottom:1px solid rgba(255,255,255,0.07)}
.mobile-menu a:last-child{border-bottom:none;color:var(--amber);font-weight:700;margin-top:8px}

/* HERO */
#hero{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:120px 5vw 80px;position:relative;overflow:hidden;background:var(--black);z-index:0}
.hero-bg{position:absolute;bottom:-60px;left:50%;transform:translateX(-50%);font-family:var(--fd);font-size:clamp(80px,18vw,240px);font-weight:700;color:rgba(255,255,255,0.03);white-space:nowrap;pointer-events:none;letter-spacing:-.04em;user-select:none}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);background:rgba(232,148,58,0.12);border:1px solid rgba(232,148,58,0.3);padding:6px 16px;border-radius:100px;margin-bottom:32px}
.hero-badge::before{content:'';width:6px;height:6px;background:var(--amber);border-radius:50%}
.hero-h1{font-family:var(--fd);font-size:clamp(36px,7vw,88px);font-weight:700;line-height:1.08;color:var(--white);letter-spacing:-.03em;max-width:900px;margin-bottom:12px}
.hero-h1 em{font-style:italic;color:var(--amber)}
.hero-h1-sub{font-family:var(--fd);font-size:clamp(36px,7vw,88px);font-weight:400;font-style:italic;line-height:1.08;color:rgba(255,255,255,0.45);letter-spacing:-.03em;max-width:900px;margin-bottom:32px}
.hero-p{font-size:clamp(16px,2.5vw,20px);font-weight:300;color:rgba(255,255,255,0.6);max-width:560px;margin-bottom:52px;line-height:1.6}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}
.btn-primary{font-size:15px;font-weight:600;background:var(--amber);color:var(--black);padding:14px 32px;border-radius:7px;text-decoration:none;border:none;cursor:pointer;transition:background .2s,transform .15s,box-shadow .2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{background:var(--amber-light);transform:translateY(-2px);box-shadow:0 8px 24px rgba(232,148,58,0.35)}
.btn-ghost{font-size:15px;font-weight:500;background:transparent;color:rgba(255,255,255,0.7);padding:14px 32px;border-radius:7px;text-decoration:none;border:1px solid rgba(255,255,255,0.2);transition:border-color .2s,color .2s,transform .15s}
.btn-ghost:hover{border-color:rgba(255,255,255,0.5);color:var(--white);transform:translateY(-2px)}
.hero-tags{margin-top:64px;display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.hero-tag{font-size:12px;font-weight:500;color:rgba(255,255,255,0.4);background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);padding:5px 14px;border-radius:100px;letter-spacing:.04em}

/* SHARED */
section{padding:96px 5vw}
.lbl{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:16px}
.stitle{font-family:var(--fd);font-size:clamp(30px,5vw,54px);font-weight:700;line-height:1.1;letter-spacing:-.02em;margin-bottom:20px}
.stitle em{font-style:italic;color:var(--amber)}
.ssub{font-size:17px;font-weight:300;color:var(--grey-dark);max-width:560px;line-height:1.65}

/* SERVICES */
#services{background:var(--grey-light)}
.svc-header{margin-bottom:60px}
.svc-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.svc-card{background:var(--white);border:1px solid rgba(10,10,10,0.08);border-radius:14px;padding:36px 32px;transition:transform .25s,box-shadow .25s;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--amber);transform:scaleX(0);transform-origin:left;transition:transform .3s}
.svc-card:hover{transform:translateY(-6px);box-shadow:0 20px 50px rgba(10,10,10,0.1)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-bar{width:40px;height:3px;background:var(--amber);border-radius:2px;margin-bottom:24px}
.svc-title{font-family:var(--fd);font-size:20px;font-weight:700;color:var(--black);margin-bottom:12px;letter-spacing:-.01em}
.svc-desc{font-size:14px;color:var(--grey-dark);line-height:1.65}
.svc-tag{display:inline-block;margin-top:20px;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--amber);background:rgba(232,148,58,0.1);padding:4px 12px;border-radius:100px}

/* POURQUOI */
#pourquoi{background:var(--black);color:var(--white)}
#pourquoi .stitle{color:var(--white)}
#pourquoi .ssub{color:rgba(255,255,255,0.5)}
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:32px;margin-top:64px}
.why-card{border:1px solid rgba(255,255,255,0.08);border-radius:14px;padding:40px 32px;transition:border-color .25s,background .25s}
.why-card:hover{border-color:rgba(232,148,58,0.35);background:rgba(232,148,58,0.04)}
.why-num{font-family:var(--fd);font-size:56px;font-weight:700;color:rgba(255,255,255,0.07);line-height:1;margin-bottom:16px}
.why-title{font-family:var(--fd);font-size:22px;font-weight:700;color:var(--white);margin-bottom:12px}
.why-title em{font-style:italic;color:var(--amber)}
.why-desc{font-size:15px;font-weight:300;color:rgba(255,255,255,0.55);line-height:1.7}

/* PROCESS */
#process{background:var(--white)}
.proc-header{text-align:center;margin-bottom:72px}
.proc-header .ssub{margin:0 auto}
.steps-track{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.steps-rail{position:absolute;top:35px;left:12.5%;right:12.5%;height:2px;background:rgba(10,10,10,0.08);border-radius:2px;z-index:0;overflow:visible}
.steps-rail-fill{position:absolute;left:0;top:0;height:100%;width:0%;background:linear-gradient(90deg,var(--amber),var(--amber-light));border-radius:2px;transition:width 1s cubic-bezier(.4,0,.2,1)}
.steps-rail-fill::after{content:'';position:absolute;right:-10px;top:50%;transform:translateY(-50%);width:20px;height:20px;background:radial-gradient(circle,rgba(232,148,58,0.8) 0%,transparent 70%);border-radius:50%;opacity:0;transition:opacity .3s}
.steps-rail-fill.glowing::after{opacity:1;animation:halo-travel 1.2s ease-in-out infinite}
@keyframes halo-travel{0%,100%{transform:translateY(-50%) scale(1);opacity:.7}50%{transform:translateY(-50%) scale(1.8);opacity:1}}
.step{text-align:center;padding:0 16px 48px;position:relative;z-index:1}
.step-num{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:var(--fd);font-size:24px;font-weight:700;margin:0 auto 28px;border:2px solid rgba(10,10,10,0.1);background:var(--white);color:rgba(10,10,10,0.18);position:relative;z-index:1;transition:background .5s,color .5s,border-color .5s,box-shadow .5s,transform .4s}
.step.lit .step-num{background:var(--black);color:var(--amber);border-color:var(--amber);box-shadow:0 0 0 5px rgba(232,148,58,0.1),0 0 28px rgba(232,148,58,0.3);transform:scale(1.06)}
.step.lit .step-num::after{content:'';position:absolute;inset:-6px;border-radius:50%;border:1.5px solid rgba(232,148,58,0.35);animation:ring-out 1.8s ease-out infinite}
@keyframes ring-out{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.4);opacity:0}}
.step-title{font-family:var(--fd);font-size:20px;font-weight:700;color:rgba(10,10,10,0.18);margin-bottom:10px;transition:color .5s,text-shadow .5s}
.step-desc{font-size:14px;color:rgba(10,10,10,0.2);line-height:1.65;transition:color .5s}
.step.lit .step-title{color:var(--black);text-shadow:0 0 20px rgba(232,148,58,0.5),0 0 40px rgba(232,148,58,0.2)}
.step.lit .step-desc{color:var(--grey-dark)}
.step-ghost{position:absolute;top:-12px;left:50%;transform:translateX(-50%);font-family:var(--fd);font-size:80px;font-weight:700;color:rgba(10,10,10,0.025);line-height:1;pointer-events:none;transition:color .5s;user-select:none}
.step.lit .step-ghost{color:rgba(232,148,58,0.055)}
@media(max-width:768px){
  .steps-track{grid-template-columns:1fr;gap:0}
  .steps-rail{display:none}
  .step{padding:0 24px 40px}
  .step-title{color:var(--black)!important;text-shadow:none!important}
  .step-desc{color:var(--grey-dark)!important}
  .step-num{background:var(--black)!important;color:var(--amber)!important;border-color:var(--amber)!important}
}

/* PROJETS PREVIEW */
#projets-preview{background:var(--grey-light)}
.proj-header{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:52px}
.btn-outline{font-size:14px;font-weight:600;color:var(--black);border:1.5px solid var(--black);padding:10px 24px;border-radius:6px;text-decoration:none;transition:background .2s,color .2s;white-space:nowrap}
.btn-outline:hover{background:var(--black);color:var(--white)}
.proj-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.proj-card{background:var(--white);border:1px solid rgba(10,10,10,0.08);border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s;text-decoration:none;color:inherit;display:block}
.proj-card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(10,10,10,0.1)}
.proj-thumb{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.proj-badge{position:absolute;top:16px;right:16px;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;background:var(--amber);color:var(--black);padding:4px 12px;border-radius:100px}
.proj-body{padding:24px 28px 28px}
.proj-type{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin-bottom:10px}
.proj-name{font-family:var(--fd);font-size:20px;font-weight:700;color:var(--black);margin-bottom:10px}
.proj-desc{font-size:14px;color:var(--grey-dark);line-height:1.6}
.proj-stack{display:flex;flex-wrap:wrap;gap:6px;margin-top:16px}
.proj-stack span{font-size:11px;font-weight:600;background:var(--grey-light);color:var(--grey-dark);padding:3px 10px;border-radius:100px}

/* CTA */
#cta-banner{background:var(--amber);padding:80px 5vw;text-align:center}
#cta-banner .stitle{color:var(--black)}
#cta-banner .stitle em{color:var(--black);text-decoration:underline;text-underline-offset:6px}
#cta-banner p{font-size:17px;color:rgba(0,0,0,0.65);max-width:480px;margin:16px auto 40px}
.btn-dark{font-size:15px;font-weight:700;background:var(--black);color:var(--white);padding:15px 36px;border-radius:7px;text-decoration:none;transition:background .2s,transform .15s;display:inline-block}
.btn-dark:hover{background:#222;transform:translateY(-2px)}

/* CONTACT */
#contact{background:var(--white)}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start;max-width:960px;margin:0 auto}
.contact-list{list-style:none;margin-top:36px;display:flex;flex-direction:column;gap:16px}
.contact-list li{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--grey-dark)}
.contact-list .dot{width:8px;height:8px;background:var(--amber);border-radius:50%;flex-shrink:0}
.contact-form{background:var(--grey-light);border:1px solid rgba(10,10,10,0.07);border-radius:16px;padding:40px 36px}
.fg{margin-bottom:20px}
.fg label{display:block;font-size:13px;font-weight:600;color:var(--black);margin-bottom:7px;letter-spacing:.02em}
.fg input,.fg textarea{width:100%;font-family:var(--fb);font-size:14px;padding:12px 16px;border:1px solid rgba(10,10,10,0.12);border-radius:8px;background:var(--white);color:var(--black);outline:none;transition:border-color .2s,box-shadow .2s;resize:vertical}
.fg input:focus,.fg textarea:focus{border-color:var(--amber);box-shadow:0 0 0 3px rgba(232,148,58,0.12)}
.fg textarea{min-height:120px}
.form-submit{width:100%;font-family:var(--fb);font-size:15px;font-weight:700;background:var(--black);color:var(--white);padding:14px;border:none;border-radius:8px;cursor:pointer;transition:background .2s,transform .15s;margin-top:8px}
.form-submit:hover{background:var(--amber);color:var(--black);transform:translateY(-1px)}

/* FOOTER */
footer{background:var(--black);color:rgba(255,255,255,0.45);padding:48px 5vw 32px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,0.08);margin-bottom:24px}
.footer-logo{font-family:var(--fd);font-size:22px;font-weight:700;color:var(--white);letter-spacing:-.02em}
.footer-logo em{font-style:italic;color:var(--amber)}
.footer-links{display:flex;gap:28px;list-style:none;flex-wrap:wrap}
.footer-links a{font-size:14px;color:rgba(255,255,255,0.45);text-decoration:none;transition:color .2s}
.footer-links a:hover{color:var(--white)}
.footer-bottom{font-size:13px;text-align:center}
.footer-legal{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;padding-bottom:16px;font-size:13px}
.footer-legal a{color:rgba(255,255,255,0.35);text-decoration:none;transition:color .2s}
.footer-legal a:hover{color:var(--amber)}
.footer-legal span{color:rgba(255,255,255,0.2)}
.legal-h1{font-family:'Playfair Display',serif;font-size:28px;font-weight:700;color:#0a0a0a;margin-bottom:8px}
.legal-date{font-size:13px;color:#6b6965;margin-bottom:32px}
.legal-h2{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;color:#0a0a0a;margin:28px 0 10px}
.legal-p{font-size:14px;color:#444;line-height:1.75;margin-bottom:12px}
.legal-p a{color:#E8943A}

/* SCROLL */
.sf{opacity:0;transform:translateY(28px);transition:opacity .6s ease,transform .6s ease}
.sf.visible{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:768px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:flex}
  #hero{padding-top:100px}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .contact-form{padding:28px 20px}
  section{padding:72px 5vw}
  .proj-header{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  .hero-actions{flex-direction:column;align-items:center}
  .btn-primary,.btn-ghost{width:100%;text-align:center;justify-content:center}
}