/* ===================== RESET GLOBAL ===================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; scroll-behavior: smooth; }
img, svg { display: block; max-width: 100%; height: auto; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }

/* ===================== TOKENS / THEME ===================== */
:root{
  --bg: #0c0c0c;
  --surface: rgba(255,255,255,0.04);
  --surface-2: rgba(255,255,255,0.06);
  --white: #ffffff;
  --muted: rgba(255,255,255,0.72);
  --muted-2: rgba(255,255,255,0.50);
  --accent: #14b8c4;
  --border: rgba(255,255,255,0.10);
  --blur: 8px;
  --radius: 16px;
  --radius-sm: 12px;
  --radius-lg: 22px;
  --container-w: 1100px;
  --transition: 220ms cubic-bezier(.22,.61,.36,1);

  /* offsets */
  --header-h: 72px;                              /* altura do header fixo do site */
  --sticky-offset: calc(var(--header-h) + 12px); /* top do thead sticky */
  --extras-head-h: 60px;                         /* fallback; JS ajusta automaticamente */
}

/* ===================== BASE ===================== */
body{
  font-family: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: var(--bg);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 19px;
}
::selection{ background: rgba(20,184,196,0.25); }
:focus-visible{ outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* utilitário acessibilidade */
.sr-only{
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0,0,0,0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ===================== LAYOUT UTILS ===================== */
.container{ max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.section{ padding: 120px 0; position: relative; z-index: 2; }
.section h2{
  font-size: clamp(28px, 2.6vw, 36px);
  margin-bottom: 16px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
}
.section p{ color: var(--muted); margin-top: 8px; }
.section::before{
  content:"";
  position:absolute; inset: 0 auto auto 50%;
  transform: translateX(-50%);
  top:0; width:60%; height:1px;
  background: linear-gradient(90deg,transparent,rgba(20,184,196,.35),transparent);
}

/* ===================== NAVBAR ===================== */
.site-header{
  position: fixed; inset: 0 0 auto 0;
  background: rgba(12,12,12,0.55);
  backdrop-filter: blur(var(--blur));
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  gap: 12px; padding: 20px 0;
  max-width: var(--container-w); margin: 0 auto; padding-left:24px; padding-right:24px;
}
.logo{
  color: var(--white);
  font-weight: 900; letter-spacing: 1.2px;
  font-size: 18px;
  text-transform: uppercase;
}
.logo-k{ text-decoration: none; color: inherit; margin-right: 6px; font-weight: 900; }
.nav-links{ list-style: none; display:flex; gap: 36px; align-items:center; }
.nav-links a{
  color: var(--white); font-size: 16px; padding: 10px 12px;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border var(--transition), opacity var(--transition);
}
.nav-links a:hover{ color: var(--accent); }
.nav-links a.active{ color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 4px; }
.menu-toggle{ display:none; background:transparent; color:var(--white); border:0; font-size:26px; }

/* ===================== HERO ===================== */
.hero{
  position: relative; min-height: 100vh;
  display:flex; align-items:center; justify-content:center; overflow: hidden;
}
#background-canvas{ position:absolute; inset:0; width:100%; height:100%; z-index:0; }
.hero-content{ position: relative; z-index: 5; text-align:center; padding: 6rem 1rem; max-width: 900px; }
.hero-title{ font-weight: 900; line-height: .9; letter-spacing: 1px; margin-bottom: 12px; font-size: clamp(48px, 8.5vw, 108px); text-transform: uppercase; }
.hero-title span{ display:block; color: var(--accent); }
.hero-sub{ font-weight: 400; margin-top: 6px; margin-bottom: 36px; color: var(--muted); font-size: clamp(20px, 2.2vw, 28px); letter-spacing: 1px; }
.cta{
  display:inline-block; background: var(--accent); color:#001518;
  padding: 16px 38px; border-radius: 999px; text-decoration:none;
  font-weight: 800; letter-spacing: 1px; font-size: 16px;
  box-shadow: 0 0 12px rgba(20,184,196,.35);
  transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}
.cta:hover{ transform: translateY(-2px); box-shadow: 0 0 18px rgba(20,184,196,.6); }
.cta:active{ transform: translateY(0); opacity:.9; }

/* ===================== SOBRE ===================== */
.about .container p strong{ color: var(--white); }
.about-wrapper{ display: flex; gap: 40px; align-items: flex-start; flex-wrap: wrap; }
.about-photo{ flex: 0 0 220px; max-width: 220px; }
.about-photo img{ width: 100%; border-radius: 12px; box-shadow: 0 6px 18px rgba(0,0,0,0.3); }
.about-text{ flex: 1; min-width: 260px; }
.about-text p + p{ margin-top: 20px; }
.about-text strong{ color: var(--accent); }
.about-text em{ font-style: italic; color: var(--muted); }

/* ===================== SERVIÇOS — PLANOS ===================== */
.pricing-grid{
  display: grid; grid-template-columns: repeat(12, 1fr);
  gap: 32px; margin-top: 32px;
}
.plan-card{
  grid-column: span 4;
  background:
    linear-gradient(180deg, rgba(20,184,196,.06), rgba(20,184,196,0) 40%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px; min-height: 340px; position: relative;
  backdrop-filter: blur(var(--blur));
  transition: transform var(--transition), box-shadow var(--transition), border var(--transition), background var(--transition);
  box-shadow: 0 0 0 rgba(0,0,0,0);
}
.plan-card::before{
  content:""; position:absolute; inset:-1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, rgba(20,184,196,.5), rgba(20,184,196,.08), rgba(255,255,255,.06));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; opacity: .35; pointer-events: none;
}
.plan-card:hover{
  transform: translateY(-6px);
  border-color: rgba(20,184,196,.7);
  box-shadow: 0 12px 34px rgba(0,0,0,.40), 0 0 24px rgba(20,184,196,.18);
  background:
    linear-gradient(180deg, rgba(20,184,196,.10), rgba(20,184,196,0) 45%),
    var(--surface-2);
}
.plan-header{ display:flex; flex-direction: column; align-items:center; justify-content:center; gap:10px; }
.plan-name{ font-size: 21px; color: var(--white); font-weight: 900; letter-spacing: .4px; position: relative; padding-bottom: 2px; text-align: center; }
.plan-name::after{ content:""; position:absolute; left:0; bottom:-6px; height:2px; width:0%; background: linear-gradient(90deg, var(--accent), transparent); transition: width var(--transition); }
.plan-card:hover .plan-name::after{ width: 66%; }
.plan-price{ font-size: 28px; font-weight: 900; color: var(--accent); text-align: center; }
.plan-price small{ font-weight: 700; color: var(--muted); margin-left: 4px; }
.badge{ display:inline-block; font-size: 12px; color:#001518; background: var(--accent); padding: 5px 11px; border-radius: 999px; font-weight: 900; letter-spacing: .4px; box-shadow: 0 6px 18px rgba(20,184,196,.35); margin-bottom: 8px;  display: block;
  width: fit-content;
  margin: 0 auto 8px;}
.plan-features{ margin: 18px 0 12px; color: var(--muted); font-size: 16px; list-style: none; }
.plan-features li{ position: relative; padding-left: 28px; margin: 10px 0; }
.plan-features li::before{ content:"✓"; position:absolute; left:0; top:0; transform: translateY(1px); font-weight:900; font-size:15px; color: var(--accent); text-shadow: 0 0 10px rgba(20,184,196,.35); }
.plan-terms{ font-size: 14px; color: var(--muted-2); }

/* ===================== EXTRAS (THEAD STICKY + ESPAÇADOR) ===================== */
.extras-title{
  margin-top: 64px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 2px; font-size: 24px;
  text-align: center;
}

.extras-wrapper{
  margin-top: 20px;
  overflow-x: auto;
}

.extras-box{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  min-width: 620px;
}

.extras-table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.extras-table thead th{
  position: sticky;
  top: var(--sticky-offset);
  z-index: 2;
  background: #0c0c0c;
  color: var(--white);
  padding: 16px 18px;
  text-align: left;
  font-size: 16px;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 14px rgba(0,0,0,0.24);
}

/* Espaçador com a mesma altura do cabeçalho real (JS atualiza a var) */
.extras-table tbody::before{
  content: "";
  display: block;
  height: var(--extras-head-h);
}

.extras-table th, .extras-table td{
  padding: 16px 18px; text-align: left; font-size: 16px; vertical-align: top;
}
.extras-table tbody tr:nth-child(odd){ background: rgba(255,255,255,0.02); }
.extras-table tbody tr:hover{ background: rgba(20,184,196,0.06); }
.extras-table tbody tr + tr td{ border-top: 1px solid var(--border); }
.extras-table td em{ color: var(--muted); }

/* Coluna 2 sempre utilizável */
.extras-table tbody td:nth-child(2){
  word-break: break-word;
  white-space: normal;
}

/* ===================== CONTACTOS ===================== */
.contacts{ text-align: center; }
.contact-info{ margin-top: 34px; font-size: 17px; line-height: 1.95; }
.contact-info a{ color: var(--accent); text-decoration: none; transition: color var(--transition), border var(--transition); }
.contact-info a:hover{ color: #36e3f0; }
.social-links{ margin-top: 26px; display:flex; justify-content:center; gap: 34px; }
.social-links a{ color: var(--white); text-decoration: none; font-weight: 800; border-bottom: 1px solid transparent; transition: border var(--transition), color var(--transition); }
.social-links a:hover{ border-bottom: 1px solid var(--accent); }

/* ===================== PORTFÓLIO ===================== */
.portfolio{ padding-top: 150px; background: var(--bg); text-align: center; }
.portfolio-grid{ display: grid; gap: 34px; margin-top: 54px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.project-card{
  position: relative; overflow: hidden; border-radius: 16px;
  background: var(--surface); border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border var(--transition), opacity var(--transition);
  cursor: pointer;
}
.project-card img{ width: 100%; height: 240px; object-fit: cover; opacity: .92; transition: transform 420ms ease, opacity 220ms ease; }
.project-card:hover img{ transform: scale(1.05); opacity: 1; }
.project-card:hover{ border-color: rgba(20,184,196,.7); box-shadow: 0 12px 34px rgba(0,0,0,.40), 0 0 18px rgba(20,184,196,.20); transform: translateY(-6px); }
.project-info{
  padding: 22px;
  background: linear-gradient(to top, rgba(12,12,12,.85), rgba(12,12,12,.2));
  position: absolute; bottom: 0; width: 100%; text-align: left; color: var(--white);
  transition: transform var(--transition), opacity var(--transition);
  opacity: 0; transform: translateY(8px);
}
.project-card:hover .project-info{ opacity: 1; transform: translateY(0); }
.project-info h3{ margin-bottom: 6px; font-size: 18px; color: var(--accent); font-weight: 900; text-align: center; }
.project-info p{ font-size: 15.5px; color: var(--muted); line-height: 1.55; }

.portfolio-actions{ display:flex; justify-content:center; gap: 24px; margin-top: 64px; }
.btn-gallery{ padding: 14px 28px; border-radius: 32px; font-weight: 900; letter-spacing: .5px; font-size: 16px; transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border var(--transition); }
.behance-btn{ background: var(--accent); color: #001518; box-shadow: 0 0 12px rgba(20,184,196,.25); }
.contact-btn{ background: transparent; border: 1px solid var(--accent); color: var(--white); }
.btn-gallery:hover{ transform: translateY(-3px); box-shadow: 0 0 14px rgba(20,184,196,.30); }

/* ===================== FOOTER ===================== */
.site-footer{ padding: 44px 24px; text-align: center; color: var(--muted); border-top: 1px solid var(--border); margin-top: 64px; font-size: 15px; }

/* ===================== RESPONSIVO ===================== */
@media (max-width: 1200px){ .container{ padding: 0 20px; } }
@media (max-width: 900px){
  .nav{ padding-left: 20px; padding-right: 20px; }
  .hero-content{ padding: 4rem 1rem; }
  .pricing-grid{ gap: 26px; }
  .plan-card{ grid-column: span 6; min-height: 320px; }
}
@media (max-width: 700px){
  .nav-links{ display: none; }
  .menu-toggle{ display: block; }
  .hero-title{ font-size: clamp(38px, 10vw, 64px); }
  .hero-sub{ font-size: clamp(20px, 4.5vw, 26px); }
  .section{ padding: 96px 0; }
  .plan-card{ grid-column: 1 / -1; min-height: 300px; }
  .plan-header{ flex-direction: column; align-items: flex-start; gap: 6px; }

  .extras-box{ min-width: 540px; }
  .extras-table{ table-layout: fixed; }
  .extras-table th, .extras-table td{
    padding: 12px 14px; font-size: 15px; vertical-align: top;
  }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}