/* ============================================================
   GEDIEL NESTOR — Portfólio
   Design system: contraste absoluto, tipografia técnica,
   assinatura: glifo </> como thesis visual do hero.
   ============================================================ */

:root{
  /* ---- Tema escuro (default) ---- */
  --bg: #0a0a0a;
  --bg-raised: #131313;
  --bg-raised-2: #1a1a1a;
  --fg: #f5f5f0;
  --fg-dim: #b8b8b2;
  --fg-mute: #7a7a75;
  --line: rgba(245,245,240,0.12);
  --line-strong: rgba(245,245,240,0.22);
  --inverse-bg: #f5f5f0;
  --inverse-fg: #0a0a0a;
  --shadow: rgba(0,0,0,0.5);

  --font-display: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  --container: 1180px;
  --radius: 14px;
  --radius-sm: 8px;
  --ease: cubic-bezier(.16,.84,.44,1);
}

[data-theme="light"]{
  --bg: #f5f5f0;
  --bg-raised: #ffffff;
  --bg-raised-2: #ebebe4;
  --fg: #0a0a0a;
  --fg-dim: #45453f;
  --fg-mute: #7a7a72;
  --line: rgba(10,10,10,0.1);
  --line-strong: rgba(10,10,10,0.18);
  --inverse-bg: #0a0a0a;
  --inverse-fg: #f5f5f0;
  --shadow: rgba(10,10,10,0.12);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

body{
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .5s var(--ease), color .5s var(--ease);
  overflow-x: hidden;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
h1,h2,h3{ font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -0.02em; }
p{ margin: 0; }
ul{ list-style: none; margin: 0; padding: 0; }
button{ font: inherit; cursor: pointer; }

.skip-link{
  position: absolute; left: -999px; top: 0; background: var(--inverse-bg); color: var(--inverse-fg);
  padding: 10px 18px; z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

:focus-visible{ outline: 2px solid var(--fg); outline-offset: 3px; border-radius: 4px; }

.noise-overlay{
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.section-inner{ max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section-label{
  font-family: var(--font-mono); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--fg-mute); margin-bottom: 14px;
}
.section-label.light{ color: rgba(245,245,240,0.55); }
.section-title{ font-size: clamp(1.8rem, 3.6vw, 2.6rem); max-width: 18ch; margin-bottom: 14px; }
.section-desc{ color: var(--fg-dim); max-width: 56ch; font-size: 1.05rem; margin-bottom: 48px; }

/* ---------------- HEADER ---------------- */
.site-header{
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.header-inner{
  max-width: var(--container); margin: 0 auto; padding: 16px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand{ display: flex; align-items: center; gap: 10px; }
.brand-mark{ width: 32px; height: 32px; border-radius: 8px; }
.brand-name{ font-family: var(--font-display); font-size: 1.05rem; font-weight: 600; }
.brand-dot{ color: var(--fg-mute); }

.main-nav{ display: flex; gap: 34px; }
.main-nav a{
  font-size: 0.94rem; color: var(--fg-dim); position: relative; padding: 4px 0;
  transition: color .25s var(--ease);
}
.main-nav a::after{
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 1px; background: var(--fg);
  transition: width .3s var(--ease);
}
.main-nav a:hover{ color: var(--fg); }
.main-nav a:hover::after{ width: 100%; }

.header-actions{ display: flex; align-items: center; gap: 14px; }

.theme-toggle{
  position: relative; width: 54px; height: 30px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: var(--bg-raised);
  display: flex; align-items: center; padding: 0 7px; justify-content: space-between;
  transition: background .3s var(--ease), border-color .3s var(--ease);
}
.theme-toggle i{ font-size: 0.72rem; color: var(--fg-mute); position: relative; z-index: 1; }
.theme-toggle-thumb{
  position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--fg); transition: transform .35s var(--ease), background .35s var(--ease);
}
[data-theme="light"] .theme-toggle-thumb{ transform: translateX(24px); }

.btn{
  display: inline-flex; align-items: center; gap: 9px; padding: 12px 22px;
  border-radius: 999px; font-size: 0.92rem; font-weight: 500; white-space: nowrap;
  border: 1px solid transparent; transition: transform .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), opacity .25s var(--ease);
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{ background: var(--fg); color: var(--bg); }
.btn-primary:hover{ opacity: 0.88; }
.btn-ghost{ border-color: var(--line-strong); color: var(--fg); }
.btn-ghost:hover{ background: var(--bg-raised); }
.btn-header{ padding: 10px 20px; }

.nav-toggle{
  display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 6px;
}
.nav-toggle span{ width: 20px; height: 2px; background: var(--fg); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }

/* ---------------- HERO ---------------- */
.hero{
  position: relative; padding: 84px 0 40px;
  overflow: hidden;
}
.hero-grid{
  position: absolute; inset: 0; z-index: 0; opacity: 0.5;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 10%, transparent 75%);
}
.hero-inner{
  position: relative; z-index: 1;
  max-width: var(--container); margin: 0 auto; padding: 0 28px;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center;
  min-height: 74vh;
}
.eyebrow{
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--fg-dim);
  border: 1px solid var(--line-strong); padding: 7px 14px; border-radius: 999px;
  margin-bottom: 28px;
  animation: fadeUp .7s var(--ease) both;
}
.eyebrow-dot{ width: 7px; height: 7px; border-radius: 50%; background: #4ade80; box-shadow: 0 0 0 3px rgba(74,222,128,0.18); }

.hero-title{ font-size: clamp(2.3rem, 5.4vw, 4.1rem); line-height: 1.08; margin-bottom: 26px; }
.hero-title .line{ display: block; overflow: hidden; }
.hero-title .line span, .hero-title .line{ }
.hero-title em{ font-style: normal; color: var(--fg-mute); text-decoration: line-through; text-decoration-thickness: 2px; text-decoration-color: var(--fg-mute); }
.line-1, .line-2, .line-3{ animation: fadeUp .8s var(--ease) both; }
.line-1{ animation-delay: .05s; }
.line-2{ animation-delay: .18s; }
.line-3{ animation-delay: .31s; }

.code-cursor{
  display: inline-block; width: 3px; height: 0.85em; background: var(--fg);
  margin-left: 6px; vertical-align: -0.1em;
  animation: blink 1s steps(1) infinite;
}

.hero-sub{
  font-size: 1.12rem; color: var(--fg-dim); max-width: 46ch; margin-bottom: 34px;
  animation: fadeUp .8s var(--ease) .42s both;
}
.hero-cta{ display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; animation: fadeUp .8s var(--ease) .5s both; }

.hero-stats{ display: flex; gap: 40px; margin: 0; animation: fadeUp .8s var(--ease) .58s both; }
.hero-stats dt{ font-family: var(--font-display); font-size: 1.7rem; font-weight: 600; }
.hero-stats dd{ margin: 2px 0 0; font-size: 0.85rem; color: var(--fg-mute); }

.hero-visual{ position: relative; display: flex; align-items: center; justify-content: center; height: 100%; }
.glyph-frame{
  position: relative; width: min(340px, 78vw); aspect-ratio: 1;
  animation: fadeScale 1s var(--ease) .2s both;
}
.glyph-img{
  width: 100%; height: 100%; border-radius: 28px; object-fit: cover;
  box-shadow: 0 30px 70px -20px var(--shadow), 0 0 0 1px var(--line);
  animation: floatY 6s ease-in-out infinite;
}
.glyph-ring{
  position: absolute; inset: -22px; border: 1px dashed var(--line-strong); border-radius: 40px;
  animation: spin 26s linear infinite;
}
.floating-tag{
  position: absolute; display: flex; align-items: center; gap: 8px;
  background: var(--bg-raised); border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 9px 16px; font-size: 0.82rem; font-family: var(--font-mono);
  box-shadow: 0 12px 30px -10px var(--shadow);
  animation: floatY 5s ease-in-out infinite;
}
.tag-1{ top: 4%; left: -6%; animation-delay: .2s; }
.tag-2{ bottom: 10%; right: -8%; animation-delay: 1s; }
.tag-3{ bottom: -6%; left: 8%; animation-delay: 1.8s; }

.scroll-cue{
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  width: 22px; height: 36px; border: 1px solid var(--line-strong); border-radius: 999px;
  display: flex; justify-content: center; padding-top: 7px; z-index: 1;
}
.scroll-cue span{ width: 3px; height: 8px; background: var(--fg-mute); border-radius: 999px; animation: scrollCue 1.8s ease-in-out infinite; }

@keyframes fadeUp{ from{ opacity: 0; transform: translateY(18px); } to{ opacity: 1; transform: translateY(0); } }
@keyframes fadeScale{ from{ opacity: 0; transform: scale(.92); } to{ opacity: 1; transform: scale(1); } }
@keyframes floatY{ 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-10px); } }
@keyframes spin{ to{ transform: rotate(360deg); } }
@keyframes blink{ 50%{ opacity: 0; } }
@keyframes scrollCue{ 0%{ opacity:0; transform: translateY(0);} 30%{opacity:1;} 100%{ opacity: 0; transform: translateY(10px);} }

/* ---------------- SOBRE ---------------- */
.about{ padding: 120px 0; }
.about-grid{ display: grid; grid-template-columns: 0.75fr 1.25fr; gap: 64px; align-items: center; }
.about-media{ position: relative; }
.portrait-frame{
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line);
  aspect-ratio: 4/5; background: var(--bg-raised);
}
.portrait-img{ width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: filter .5s var(--ease); }
.portrait-frame:hover .portrait-img{ filter: grayscale(0) contrast(1); }
.portrait-caption{ display: block; margin-top: 14px; font-family: var(--font-mono); font-size: 0.8rem; color: var(--fg-mute); }

.about-copy h2{ font-size: clamp(1.7rem, 3.2vw, 2.3rem); margin-bottom: 20px; max-width: 16ch; }
.about-lead{ font-size: 1.15rem; color: var(--fg); margin-bottom: 16px; }
.about-copy p{ color: var(--fg-dim); margin-bottom: 16px; }
.about-points{ margin: 26px 0 30px; display: flex; flex-direction: column; gap: 14px; }
.about-points li{ display: flex; align-items: center; gap: 12px; font-size: 0.98rem; color: var(--fg-dim); }
.about-points i{ color: var(--fg); width: 18px; text-align: center; }

.link-arrow{
  display: inline-flex; align-items: center; gap: 8px; font-weight: 500;
  border-bottom: 1px solid var(--fg); padding-bottom: 3px; transition: gap .25s var(--ease), opacity .25s var(--ease);
}
.link-arrow:hover{ gap: 12px; opacity: .8; }

/* ---------------- SERVIÇOS ---------------- */
.services{ padding: 100px 0; background: var(--inverse-bg); color: var(--inverse-fg); transition: background .5s var(--ease), color .5s var(--ease); }
.services .section-title{ color: var(--inverse-fg); }
.services-grid{ display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: 48px; }
[data-theme="light"] .services{ --line: rgba(245,245,240,0.14); }
.service-card{
  background: var(--inverse-bg); padding: 18px 20px; transition: background .3s var(--ease);
  display: flex; flex-direction: column;
}
.service-card:hover{ background: color-mix(in srgb, var(--inverse-bg) 90%, var(--inverse-fg) 10%); }
.service-icon{
  display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px;
  border-radius: 8px; border: 1px solid color-mix(in srgb, var(--inverse-fg) 18%, transparent);
  font-size: 0.95rem; margin-bottom: 10px;
}
.service-card h3{ font-size: 0.98rem; margin-bottom: 6px; }
.service-card p{ font-size: 0.84rem; color: color-mix(in srgb, var(--inverse-fg) 62%, var(--inverse-bg) 38%); line-height: 1.45; margin-bottom: 10px; }
.service-card .card-footer{
  margin-top: auto; font-size: 0.76rem; font-family: var(--font-mono);
  color: color-mix(in srgb, var(--inverse-fg) 55%, var(--inverse-bg) 45%);
  display: inline-flex; align-items: center; gap: 6px;
}
.service-card .card-footer i{ font-size: 0.68rem; }

/* ---------------- TRABALHOS ---------------- */
.work{ padding: 120px 0; }
.work-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.work-card{
  display: block; padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--bg-raised); transition: transform .3s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
  min-height: 84px; position: relative;
}
.work-card:hover{ transform: translateY(-4px); border-color: var(--line-strong); box-shadow: 0 18px 34px -20px var(--shadow); }
.work-card-top{ display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.work-num{ font-family: var(--font-mono); color: var(--fg-mute); font-size: 0.78rem; }
.work-card-top i{ color: var(--fg-mute); transition: transform .3s var(--ease), color .3s var(--ease); font-size: 0.85rem; }
.work-card:hover .work-card-top i{ transform: translate(3px,-3px); color: var(--fg); }
.work-card h3{ font-size: 1.02rem; margin-bottom: 3px; }
.work-card p{ color: var(--fg-dim); font-size: 0.82rem; margin-bottom: 8px; }
.work-link{ font-family: var(--font-mono); font-size: 0.72rem; color: var(--fg-mute); }
.work-card-more{ background: transparent; border-style: dashed; }
.work-card-more p{ font-size: 0.8rem; margin-bottom: 0; }

/* ---------------- VANTAGENS ---------------- */
.advantages{ padding: 100px 0; border-top: 1px solid var(--line); }
.advantages-grid{
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  margin-top: 40px;
}
.advantage-item{
  background: var(--bg); padding: 22px 24px; display: flex; align-items: flex-start; gap: 14px;
  transition: background .3s var(--ease);
}
.advantage-item:hover{ background: var(--bg-raised); }
.advantage-item i{ color: var(--fg-mute); font-size: 1rem; margin-top: 3px; flex-shrink: 0; width: 20px; text-align: center; }
.advantage-item p{ font-size: 0.92rem; color: var(--fg-dim); line-height: 1.5; }
.advantage-item strong{ color: var(--fg); font-weight: 600; }

/* ---------------- FAQ ---------------- */
.faq{ padding: 110px 0; }
.faq-list{ margin-top: 40px; max-width: 780px; }
.faq-item{
  border-bottom: 1px solid var(--line); padding: 6px 0;
}
.faq-item summary{
  list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between;
  gap: 20px; padding: 18px 4px; font-family: var(--font-display); font-weight: 500; font-size: 1.02rem;
  color: var(--fg);
}
.faq-item summary::-webkit-details-marker{ display: none; }
.faq-icon{ font-size: 0.85rem; color: var(--fg-mute); transition: transform .3s var(--ease); flex-shrink: 0; }
.faq-item[open] .faq-icon{ transform: rotate(45deg); }
.faq-item p{
  padding: 0 4px 20px; color: var(--fg-dim); font-size: 0.94rem; line-height: 1.6; max-width: 68ch;
}

/* ---------------- CONTACTO ---------------- */
.contact{ padding: 130px 0; background: var(--inverse-bg); color: var(--inverse-fg); transition: background .5s var(--ease), color .5s var(--ease); text-align: center; }
.contact-inner{ display: flex; flex-direction: column; align-items: center; }
.contact-title{ font-size: clamp(2rem, 4.4vw, 3.1rem); max-width: 20ch; color: var(--inverse-fg); margin-bottom: 16px; }
.contact-sub{ color: color-mix(in srgb, var(--inverse-fg) 65%, var(--inverse-bg) 35%); max-width: 50ch; margin-bottom: 48px; font-size: 1.05rem; }
.contact-actions{ display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.contact-card{
  display: flex; align-items: center; gap: 14px; padding: 18px 26px;
  border: 1px solid color-mix(in srgb, var(--inverse-fg) 16%, transparent); border-radius: var(--radius-sm);
  transition: transform .25s var(--ease), background .25s var(--ease);
  text-align: left;
}
.contact-card:hover{ transform: translateY(-3px); background: color-mix(in srgb, var(--inverse-bg) 92%, var(--inverse-fg) 8%); }
.contact-card i{ font-size: 1.4rem; }
.contact-card strong{ display: block; font-size: 0.98rem; }
.contact-card em{ display: block; font-style: normal; font-size: 0.84rem; color: color-mix(in srgb, var(--inverse-fg) 60%, var(--inverse-bg) 40%); font-family: var(--font-mono); }

/* ---------------- FOOTER ---------------- */
.site-footer{ padding: 44px 0; border-top: 1px solid var(--line); }
.footer-inner{ display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; }
.footer-brand{ display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 600; }
.footer-mark{ width: 26px; height: 26px; border-radius: 6px; }
.footer-tag{ color: var(--fg-mute); font-size: 0.88rem; }
.footer-copy{ color: var(--fg-mute); font-size: 0.82rem; margin-top: 8px; }

/* ---------------- REVEAL ON SCROLL ---------------- */
.reveal{ opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in-view{ opacity: 1; transform: translateY(0); }

/* ---------------- RESPONSIVE ---------------- */
@media (max-width: 980px){
  .hero-inner{ grid-template-columns: 1fr; min-height: auto; gap: 60px; padding-top: 20px; }
  .hero-visual{ order: -1; }
  .glyph-frame{ width: min(280px, 68vw); margin: 0 auto; }
  .about-grid{ grid-template-columns: 1fr; gap: 40px; }
  .about-media{ max-width: 320px; margin: 0 auto; }
  .services-grid{ grid-template-columns: repeat(2, 1fr); }
  .work-grid{ grid-template-columns: repeat(2, 1fr); }
  .main-nav{ gap: 22px; }
}

@media (max-width: 768px){
  .main-nav{
    position: fixed; inset: 68px 0 0 0; background: var(--bg); z-index: 90;
    flex-direction: column; align-items: center; justify-content: center; gap: 34px;
    transform: translateY(-12px); opacity: 0; pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
  }
  .main-nav a{ font-size: 1.3rem; }
  .main-nav.open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-toggle{ display: flex; }
  .nav-toggle.open span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity: 0; }
  .nav-toggle.open span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }
  .btn-header{ display: none; }
  .hero-stats{ gap: 26px; flex-wrap: wrap; }
  .floating-tag{ font-size: 0.72rem; padding: 7px 12px; }
  .tag-1{ left: -2%; } .tag-2{ right: -2%; } .tag-3{ left: 4%; }
  .services-grid{ grid-template-columns: 1fr; }
  .work-grid{ grid-template-columns: 1fr; }
  .advantages-grid{ grid-template-columns: 1fr; }
  .contact-actions{ flex-direction: column; width: 100%; }
  .contact-card{ width: 100%; }
}

@media (max-width: 420px){
  .section-inner{ padding: 0 20px; }
  .hero{ padding-top: 60px; }
  .hero-title{ font-size: 2rem; }
}