/*
  CSS structure: variables, reset, global, typography, layout sections
  Comentários explicativos incluídos para decisões importantes.
*/

:root{
  --bg:#071b1b;
  --surface:#102929;
  --surface-soft:#f3f4ed;
  --muted:#9bb1ad;
  --text:#f6f7f0;
  --accent:#f0c84b;
  --accent-2:#18a77d;
  --teal:#0e6b5b;
  --glass: rgba(255,255,255,0.03);
  --radius:12px;
  --shadow: 0 18px 50px rgba(2,15,15,0.28);
  --container-max:1200px;
  --transition: 250ms cubic-bezier(.2,.9,.2,1);
}

/* RESET */
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:"DM Sans",system-ui,sans-serif;color:var(--text);background:radial-gradient(circle at 80% 0%,rgba(24,167,125,.15),transparent 30rem),linear-gradient(180deg,var(--bg),#061414);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
img{max-width:100%;height:auto;display:block}

a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button{font:inherit}

/* Accessibility: visible focus for keyboard navigation */
:focus{outline:2px solid var(--accent);outline-offset:3px}

/* Helpers */
.container{max-width:var(--container-max);margin:0 auto;padding:2rem;}
.muted{color:var(--muted)}

/* HEADER */
.site-header{position:sticky;top:0;z-index:40;background:linear-gradient(180deg,rgba(8,11,18,0.6),transparent);backdrop-filter:blur(6px);border-bottom:1px solid rgba(255,255,255,0.02)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.brand{display:inline-flex;align-items:center;gap:0.5rem;font-weight:700;color:var(--text)}
.brand-primary{letter-spacing:0.6px}
.brand-divider{opacity:0.6}
.brand-secondary{color:var(--accent)}

.nav-list{display:flex;gap:1rem;align-items:center}
.nav-list a{padding:0.5rem 0.25rem;color:var(--muted);border-radius:8px;transition:color var(--transition),background var(--transition)}
.nav-list a:hover{color:var(--text);background:var(--glass)}

.header-actions{display:flex;align-items:center;gap:0.5rem}
.icon-link img{filter:grayscale(1) brightness(1.2);opacity:0.9}
.icon-link:hover img{filter:none}

/* Mobile menu */
.menu-toggle{display:none;background:none;border:0;padding:0;margin-left:0}
.hamburger{width:28px;height:2px;background:var(--text);display:block;position:relative}
.hamburger::before,.hamburger::after{content:'';position:absolute;left:0;width:28px;height:2px;background:var(--text);transition:var(--transition)}
.hamburger::before{top:-8px}
.hamburger::after{top:8px}

.mobile-menu{background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);padding:1rem;border-top:1px solid rgba(255,255,255,0.02)}
.mobile-menu ul{display:flex;flex-direction:column;gap:0.5rem}
.mobile-menu a{padding:0.75rem;border-radius:8px;color:var(--text)}
.mobile-socials{display:flex;gap:0.5rem;margin-top:0.5rem}

/* HERO */
.hero{padding:4rem 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:2rem;align-items:center}
.eyebrow{color:var(--accent);font-weight:600}
h1,h2,h3,h4{font-family:"Space Grotesk","DM Sans",sans-serif}
h1{font-size:clamp(2.4rem,5vw,5rem);margin:0 0 0.6rem;line-height:.98;letter-spacing:-.04em}
.lead{color:var(--muted);max-width:60ch}
.badges{display:flex;flex-wrap:wrap;gap:0.5rem;margin-top:1rem}
.badge{background:linear-gradient(90deg,var(--accent),var(--accent-2));padding:0.35rem 0.6rem;border-radius:999px;font-weight:600;color:#fff;font-size:0.78rem;box-shadow:0 4px 14px rgba(230,57,70,0.07)}
.hero-ctas{margin-top:1.25rem;display:flex;gap:0.75rem}
.btn{padding:0.75rem 1rem;border-radius:10px;font-weight:700;border:1px solid rgba(255,255,255,0.03);background:transparent;color:var(--text);transition:all var(--transition)}
.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 8px 32px rgba(230,57,70,0.08)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,0.06)}
.btn.whatsapp{background:linear-gradient(90deg,#25D366,#128C7E);color:#fff}

/* Hero visual architecture */
.arch{display:flex;flex-direction:column;align-items:flex-start;gap:8px;background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);padding:1rem;border-radius:12px;border:1px solid rgba(255,255,255,0.02);box-shadow:var(--shadow)}
.arch-node{padding:0.6rem 0.9rem;border-radius:8px;background:var(--surface);width:220px;text-align:center;font-weight:600}
.arch-arrow{color:var(--muted)}

/* ABOUT */
.about{padding:3rem 0}
.split{display:grid;grid-template-columns:1fr 260px;gap:2rem;align-items:start}
.about-indicators{display:grid;gap:0.5rem}
.indicator{background:linear-gradient(90deg,rgba(255,255,255,0.02),transparent);padding:0.6rem;border-radius:10px;color:var(--muted);text-align:center}

/* EXPERIENCE timeline */
.experience{padding:3rem 0}
.timeline{display:flex;flex-direction:column;gap:1rem}
.timeline-item{background:var(--surface);padding:1rem;border-radius:12px;border:1px solid rgba(255,255,255,0.02)}
.ti-header{display:flex;justify-content:space-between;align-items:center}
.ti-body{margin-top:0.6rem;color:var(--muted)}

/* PROJECTS */
.projects{padding:3rem 0}
.project-list{display:grid;grid-template-columns:1fr;gap:1rem}
.section-heading{max-width:700px;margin-bottom:1.75rem}
.section-heading h2{margin:.25rem 0 .75rem;font-size:clamp(2rem,4vw,3.5rem);line-height:1}
.section-intro{color:var(--muted);max-width:55ch;font-size:1.05rem}
.project-card{background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.025));padding:1.4rem;border-radius:18px;border:1px solid rgba(255,255,255,.1);display:block;box-shadow:var(--shadow)}
.project-card header{max-width:680px}
.project-card h3{font-size:clamp(1.6rem,3vw,2.4rem);margin:.35rem 0 .25rem}
.project-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,48%);gap:1.5rem;align-items:center;margin-top:1.25rem}
.project-media{display:flex;align-items:center;justify-content:center;min-height:240px;border-radius:14px;overflow:hidden;background:#dfe6e0}
.project-media img{width:100%;height:auto;display:block}
.project-kicker{font-size:.75rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:.35rem;background:var(--accent-2);box-shadow:0 0 0 4px rgba(24,167,125,.14)}
.status-delivered{background:var(--accent);box-shadow:0 0 0 4px rgba(240,200,75,.13)}
.project-card-delivered{background:linear-gradient(135deg,#173b35,#102929)}
.project-media-delivered{background:linear-gradient(135deg,#f0c84b,#16896d);min-height:240px}
.delivered-mark{font:700 clamp(3rem,7vw,5.5rem)/1 "Space Grotesk",sans-serif;color:#0b3931;letter-spacing:-.08em}
.delivered-mark span{font-size:.42em;vertical-align:top;margin-left:.12em}
.arch-code{background:rgba(255,255,255,0.02);padding:0.6rem;border-radius:8px;overflow:auto}

/* TECH */
.tech{padding:3rem 0}
.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.tech-group{background:var(--surface);padding:1rem;border-radius:12px}

/* DARUMA */
.daruma{padding:3rem 0}
.daruma-grid{display:grid;grid-template-columns:1fr 220px;gap:1rem}
.daruma-content h3{margin-top:0}
.services{display:grid;grid-template-columns:repeat(2,1fr);gap:0.75rem;margin-top:1rem}
.service{background:linear-gradient(180deg,rgba(255,255,255,0.01),transparent);padding:0.75rem;border-radius:10px}
.daruma-aside .daruma-visual{width:160px;height:160px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#8e2de2);display:flex;align-items:center;justify-content:center;font-weight:800}

/* SOLUTIONS */
.solutions{padding:3rem 0}
.solutions-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
.solution{background:var(--surface);padding:1rem;border-radius:12px}

/* PROCESS timeline */
.process{padding:3rem 0}
.process-timeline{display:flex;gap:0.75rem;flex-wrap:wrap}
.step{background:linear-gradient(90deg,var(--accent),var(--accent-2));padding:0.8rem 1rem;border-radius:10px;color:#fff;font-weight:700}

/* CONTACT */
.contact{padding:3rem 0;text-align:center}
.contact-ctas{display:flex;gap:0.75rem;flex-wrap:wrap;justify-content:center;margin-top:1rem}

/* FOOTER */
.site-footer{border-top:1px solid rgba(255,255,255,0.02);padding:1.5rem 0}
.footer-inner{display:flex;justify-content:space-between;align-items:center}

/* RESPONSIVE */
@media (max-width:1000px){
  .hero-grid{grid-template-columns:1fr 300px}
  .project-grid{grid-template-columns:1fr 160px}
}

@media (max-width:800px){
  .container{padding:1.25rem}
  .header-inner{align-items:center}
  .nav-list{display:none}
  .menu-toggle{display:inline-block}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{order:2}
  .split{grid-template-columns:1fr}
  .about-indicators{grid-auto-flow:column;overflow:auto}
  .project-grid{grid-template-columns:1fr}
  .project-media{order:-1;min-height:0}
  .daruma-grid{grid-template-columns:1fr}
  .footer-inner{flex-direction:column;gap:0.5rem}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}