/* ══════════════════════════════════════
   TOKENS E TEMAS
══════════════════════════════════════ */
:root {
  --cyan: #00d2ff;
  --purple: #a855f7;
  --cyan-dim: rgba(0, 210, 255, 0.08);
  --purple-dim: rgba(168, 85, 247, 0.08);
  --grad: linear-gradient(135deg, #00d2ff, #a855f7);
  --grad-text: linear-gradient(90deg, #00d2ff, #a855f7);
  --trans: .3s cubic-bezier(.4, 0, .2, 1);
  --ft: 'Syne', sans-serif;
  --fb: 'DM Sans', sans-serif;
  --r: 12px;
  --rl: 18px;
}

[data-theme="dark"] {
  --bg: #0d0d0f;
  --bg2: #111115;
  --bg3: #161620;
  --surface: #1a1a26;
  --border: rgba(255, 255, 255, 0.07);
  --border2: rgba(0, 210, 255, 0.18);
  --text: #e2e4f0;
  --muted: #6b6e82;
  --dim: #363850;
  --nav-bg: rgba(13, 13, 15, 0.88);
  --card: #111115;
  --card-b: rgba(255, 255, 255, 0.06);
  --tag-bg: rgba(255, 255, 255, 0.05);
  --tag-c: #6b6e82;
  --skill-bg: #18181e;
  --skill-b: rgba(255, 255, 255, 0.08);
  --photo-filter: drop-shadow(0 20px 60px rgba(0,0,0,0.7)) drop-shadow(0 0 40px rgba(0,210,255,0.07));
  --foot-c: rgba(255, 255, 255, 0.22);
}

[data-theme="light"] {
  --bg: #f2f2f7;
  --bg2: #ffffff;
  --bg3: #e8e8f0;
  --surface: #ffffff;
  --border: rgba(0, 0, 0, 0.09);
  --border2: rgba(0, 150, 200, 0.22);
  --text: #111118;
  --muted: #5a5c70;
  --dim: #b0b2c0;
  --nav-bg: rgba(242, 242, 247, 0.92);
  --card: #ffffff;
  --card-b: rgba(0, 0, 0, 0.07);
  --tag-bg: rgba(0, 0, 0, 0.05);
  --tag-c: #5a5c70;
  --skill-bg: #f5f5fa;
  --skill-b: rgba(0, 0, 0, 0.09);
  --photo-filter: drop-shadow(0 20px 60px rgba(0,0,0,0.15)) drop-shadow(0 0 30px rgba(0,150,200,0.08));
  --foot-c: rgba(0, 0, 0, 0.3);
}

/* ══════════════════════════════════════
   RESET & BASE
══════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fb); background: var(--bg); color: var(--text);
  line-height: 1.7; overflow-x: hidden;
  transition: background var(--trans), color var(--trans);
}
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }
::selection { background: rgba(0, 210, 255, 0.18); color: #fff; }
a { text-decoration: none; color: inherit; }
img { display: block; max-width: 100%; }

[data-theme="dark"] body::before {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .022;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px;
}

.glow { position: fixed; border-radius: 50%; filter: blur(130px); pointer-events: none; z-index: 0; opacity: 0; transition: opacity .6s; }
[data-theme="dark"] .glow { opacity: 1; }
.glow-a { top: -80px; right: -80px; width: 420px; height: 420px; background: rgba(0,210,255,0.05); }
.glow-b { bottom: -100px; left: -100px; width: 380px; height: 380px; background: rgba(168,85,247,0.05); }

.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; position: relative; z-index: 1; }
section { position: relative; z-index: 1; }

/* ══════════════════════════════════════
   NAV
══════════════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  background: var(--nav-bg); backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
  border-bottom: 1px solid var(--border); transition: background var(--trans), border-color var(--trans);
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 28px;
  height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.nav-logo { display: flex; align-items: center; transition: opacity .2s; flex-shrink: 0; }
.nav-logo:hover { opacity: .8; }
.nav-logo img {
  height: 48px; width: auto; object-fit: contain; transition: filter .3s;
}
[data-theme="dark"] .nav-logo img {
  mix-blend-mode: screen;
  filter: drop-shadow(0 0 10px rgba(0,210,255,0.4)) brightness(1.1);
}
[data-theme="light"] .nav-logo img {
  filter: drop-shadow(0 0 6px rgba(0,150,200,0.2));
}

.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 13.5px; font-weight: 500; color: var(--muted); letter-spacing: .01em;
  transition: color .2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 1.5px;
  background: var(--grad); transition: width .3s; border-radius: 1px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }

.nav-right { display: flex; align-items: center; gap: 12px; }

/* Theme toggle */
.theme-btn {
  width: 48px; height: 26px; border-radius: 13px; background: var(--surface);
  border: 1.5px solid var(--border2); cursor: pointer; position: relative;
  transition: background var(--trans), border-color var(--trans); flex-shrink: 0;
}
.theme-btn-knob {
  position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--grad); transition: transform .35s cubic-bezier(.4,0,.2,1);
  display: flex; align-items: center; justify-content: center; font-size: 10px; line-height: 1;
}
[data-theme="light"] .theme-btn-knob { transform: translateX(22px); }

.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; border: none; background: none; padding: 4px; }
.hamburger span { width: 22px; height: 2px; background: var(--muted); border-radius: 2px; display: block; transition: .3s; }

@media(max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 66px; left: 0; right: 0;
    flex-direction: column; padding: 20px 28px; gap: 16px;
    background: var(--nav-bg); border-bottom: 1px solid var(--border); backdrop-filter: blur(28px);
  }
  .nav-links.open { display: flex; }
}

/* ══════════════════════════════════════
   BUTTONS
══════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--fb); font-weight: 600; font-size: 14px;
  padding: 11px 24px; border-radius: 10px; border: none; cursor: pointer;
  transition: transform .2s, box-shadow .2s; text-decoration: none; white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-grad { background: var(--grad); color: #fff; box-shadow: 0 0 24px rgba(0,210,255,0.18); }
.btn-grad:hover { box-shadow: 0 0 36px rgba(168,85,247,0.35); }
.btn-outline { background: transparent; color: var(--text); border: 1.5px solid var(--border2); }
.btn-outline:hover { background: var(--cyan-dim); border-color: var(--cyan); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ══════════════════════════════════════
   SECTION HELPERS
══════════════════════════════════════ */
.sec-label {
  font-family: var(--fb); font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .16em; background: var(--grad-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text; display: inline-block; margin-bottom: 12px;
}
.sec-title {
  font-family: var(--ft); font-size: clamp(28px, 4vw, 46px); font-weight: 800;
  color: var(--text); line-height: 1.12; margin-bottom: 16px; transition: color var(--trans);
}
.sec-title em {
  font-style: normal; background: var(--grad-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.sec-sub { color: var(--muted); font-size: 16px; font-weight: 300; line-height: 1.8; }
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s cubic-bezier(.22,1,.36,1), transform .8s cubic-bezier(.22,1,.36,1); }
.reveal.visible { opacity: 1; transform: none; }

/* ══════════════════════════════════════
   HERO
══════════════════════════════════════ */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 90px 0 40px; overflow: hidden;
  background: var(--bg); transition: background var(--trans); position: relative;
}
[data-theme="dark"] .hero::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(rgba(0,210,255,0.025) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(0,210,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px; pointer-events: none;
}
.hero-inner {
  display: grid; grid-template-columns: 1fr 1fr; align-items: center;
  gap: 0; position: relative; z-index: 1; width: 100%;
}

/* Photo */
.image-wrapper {
  position: relative; display: flex; align-items: flex-end; justify-content: center;
}
.image-wrapper::before {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,210,255,0.07) 0%, transparent 70%);
  pointer-events: none; z-index: 1;
}
.hero-photo {
  width: 100%; max-width: 380px;
  filter: var(--photo-filter); transition: filter var(--trans);
  position: relative; z-index: 2; margin-bottom: -40px; object-fit: contain;
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}
[data-theme="dark"] .hero-photo { mix-blend-mode: screen; }

.hero-text-col { padding-right: 20px; }

/* Hero text */
.hero-greeting { font-family: var(--fb); font-size: 15px; font-weight: 400; color: var(--muted); margin-bottom: 8px; }
.hero-name {
  font-family: var(--ft); font-weight: 800; font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.05; color: var(--text); letter-spacing: -.025em; margin-bottom: 14px; transition: color var(--trans);
}
.hero-name-grad { background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-role { font-size: 16px; font-weight: 400; color: var(--muted); margin-bottom: 32px; min-height: 26px; }
.hero-role .cursor {
  display: inline-block; width: 2px; height: 1.1em; background: var(--cyan);
  margin-left: 2px; vertical-align: middle; animation: blink .75s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

.hero-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.hero-tag {
  display: inline-flex; align-items: center; gap: 6px; background: var(--cyan-dim);
  border: 1px solid rgba(0,210,255,0.18); border-radius: 100px; padding: 5px 14px;
  font-size: 11px; font-weight: 700; color: var(--cyan); text-transform: uppercase; letter-spacing: .09em;
}
.hero-tag.purple { background: var(--purple-dim); border-color: rgba(168,85,247,0.22); color: var(--purple); }

.hero-bio p { color: var(--muted); font-size: 15px; font-weight: 300; line-height: 1.85; margin-bottom: 14px; }
.hero-bio strong { color: var(--text); font-weight: 500; }
.hero-quote {
  border-left: 2px solid var(--cyan); padding-left: 16px; margin: 20px 0;
  font-size: 14px; font-style: italic; color: var(--text); opacity: .75; line-height: 1.75;
}
[data-theme="light"] .hero-quote { border-left-color: var(--purple); }

.hero-socials { display: flex; gap: 12px; margin-bottom: 28px; margin-top: 4px; }
.hero-social {
  width: 40px; height: 40px; border-radius: 10px; background: var(--surface);
  border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  color: var(--muted); transition: border-color .25s, background .25s, color .25s, transform .2s;
}
.hero-social:hover { border-color: var(--cyan); background: var(--cyan-dim); color: var(--cyan); transform: translateY(-3px); }
.hero-social.gh:hover { border-color: var(--purple); background: var(--purple-dim); color: var(--purple); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

/* ══════════════════════════════════════
   SKILLS
══════════════════════════════════════ */
.skills-sec {
  padding: 80px 0; background: var(--bg2);
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  transition: background var(--trans), border-color var(--trans);
}
.skills-header { margin-bottom: 12px; }
.skills-desc { font-size: 15px; color: var(--muted); font-weight: 300; line-height: 1.75; max-width: 780px; margin-bottom: 44px; }
.skills-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }

.skill-card {
  background: var(--skill-bg); border: 1px solid var(--skill-b); border-radius: var(--r);
  padding: 20px 12px; display: flex; flex-direction: column; align-items: center; gap: 12px;
  transition: border-color .25s, transform .25s, background var(--trans); cursor: default;
}
.skill-card:hover { border-color: var(--border2); transform: translateY(-4px); background: var(--surface); }
.skill-card:nth-child(even):hover { border-color: rgba(168,85,247,.3); }
.skill-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; }
.skill-icon svg, .skill-icon img { width: 38px; height: 38px; }
/* Next.js icon: invert no light mode para ficar visível */
[data-theme="light"] .icon-nextjs { filter: invert(1) brightness(0.3); }
/* Prisma icon: ajuste para tema claro */
[data-theme="light"] .icon-prisma { filter: invert(1) brightness(0.25); }
.skill-name { font-size: 11.5px; font-weight: 600; color: var(--muted); text-align: center; letter-spacing: .01em; transition: color var(--trans); }
.skill-card:hover .skill-name { color: var(--text); }

/* ══════════════════════════════════════
   PROJECTS
══════════════════════════════════════ */
.proj-sec { padding: 110px 0; background: var(--bg); transition: background var(--trans); }
.proj-header { text-align: center; margin-bottom: 64px; }
.proj-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }

.proj-card {
  background: var(--card); border: 1px solid var(--card-b); border-radius: var(--rl);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .3s, transform .35s, box-shadow .35s, background var(--trans);
}
.proj-card:hover { border-color: rgba(0,210,255,.2); transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,.2); }
[data-theme="light"] .proj-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,.1); }

.proj-img { width: 100%; height: 210px; overflow: hidden; position: relative; background: var(--bg3); }
.proj-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; transition: transform .5s cubic-bezier(.22,1,.36,1); }
.proj-card:hover .proj-img img { transform: scale(1.05); }
.proj-img-ov {
  position: absolute; inset: 0; background: linear-gradient(to top, var(--card) 0%, transparent 55%);
  opacity: .55; transition: opacity .3s;
}
[data-theme="light"] .proj-img-ov { opacity: .12; }

.proj-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.proj-cat {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .14em;
  background: var(--grad-text); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; display: inline-block; margin-bottom: 8px;
}
.proj-body h3 { font-family: var(--ft); font-size: 18px; font-weight: 700; color: var(--text); margin-bottom: 10px; line-height: 1.3; transition: color var(--trans); }
.proj-body p { font-size: 13.5px; color: var(--muted); font-weight: 300; line-height: 1.7; flex: 1; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0; }
.proj-tag {
  background: var(--tag-bg); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 10px; font-size: 11px; font-weight: 500; color: var(--tag-c);
  transition: background var(--trans), border-color var(--trans), color var(--trans);
}
.proj-footer { padding: 16px 26px; border-top: 1px solid var(--border); display: flex; gap: 10px; transition: border-color var(--trans); }

/* ══════════════════════════════════════
   DIFERENCIAIS
══════════════════════════════════════ */
.diff-sec { padding: 100px 0; background: var(--bg2); border-top: 1px solid var(--border); transition: background var(--trans), border-color var(--trans); }
.diff-header { text-align: center; margin-bottom: 56px; }
.diff-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }

.diff-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--rl);
  padding: 28px; display: flex; gap: 18px; transition: border-color .3s, transform .3s, background var(--trans);
}
.diff-card:hover { border-color: var(--border2); transform: translateY(-4px); }
.diff-ico {
  width: 44px; height: 44px; border-radius: 10px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 20px; transition: transform .3s;
}
.diff-card:hover .diff-ico { transform: rotate(-5deg) scale(1.1); }
.d1 { background: rgba(0,210,255,.1); } .d2 { background: rgba(168,85,247,.1); }
.d3 { background: rgba(0,210,255,.1); } .d4 { background: rgba(168,85,247,.1); }
.diff-body h4 { font-family: var(--ft); font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 8px; transition: color var(--trans); }
.diff-body p { font-size: 13.5px; color: var(--muted); font-weight: 300; line-height: 1.75; }

/* ══════════════════════════════════════
   CONTACT
══════════════════════════════════════ */
.contact-sec { padding: 100px 0; background: var(--bg); text-align: center; transition: background var(--trans); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: 740px; margin: 52px auto 0; }

.contact-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r);
  padding: 28px 16px; display: flex; flex-direction: column; align-items: center; gap: 12px;
  transition: border-color .25s, transform .25s, background var(--trans);
}
.contact-card:hover { border-color: var(--border2); transform: translateY(-4px); }
.cc-icon { font-size: 26px; }
.cc-label { font-size: 10.5px; color: var(--dim); text-transform: uppercase; letter-spacing: .12em; font-weight: 600; }
.cc-val { font-size: 13px; color: var(--muted); word-break: break-all; }

/* ══════════════════════════════════════
   FOOTER & WA
══════════════════════════════════════ */
footer { border-top: 1px solid var(--border); padding: 32px 0; text-align: center; background: var(--bg2); transition: background var(--trans), border-color var(--trans); }
footer p { color: var(--foot-c); font-size: 13px; font-weight: 300; }
footer a { color: var(--foot-c); transition: color .2s; }
footer a:hover { color: var(--cyan); }

.wa {
  position: fixed; bottom: 24px; right: 24px; z-index: 400;
  width: 52px; height: 52px; border-radius: 50%; background: #25D366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4); animation: floatY 3s ease-in-out infinite;
  transition: transform .2s, box-shadow .2s;
}
.wa:hover { animation-play-state: paused; transform: scale(1.12); box-shadow: 0 6px 28px rgba(37,211,102,.6); }
@keyframes floatY { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-7px)} }

/* ══════════════════════════════════════
   RESPONSIVIDADE — MOBILE FIRST
══════════════════════════════════════ */

/* Tablet (≤ 900px) */
@media(max-width: 900px) {
  /* Hero: coluna única */
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 100px 0 60px;
  }
  .hero-text-col { padding-right: 0; order: 1; }
  .image-wrapper {
    order: 2;
    margin-top: 32px;
    transform: none;
    justify-content: center;
  }
  .hero-photo { max-width: 280px; margin-bottom: -20px; }
  .hero-tags { justify-content: center; }
  .hero-socials { justify-content: center; }
  .hero-cta { justify-content: center; }

  /* Skills: 4 colunas */
  .skills-grid { grid-template-columns: repeat(4, 1fr); }

  /* Diferenciais: coluna única */
  .diff-grid { grid-template-columns: 1fr; }
}

/* Mobile (≤ 720px) */
@media(max-width: 720px) {
  .container { padding: 0 18px; }

  /* Hero */
  .hero { padding: 90px 0 40px; }
  .hero-name { font-size: clamp(34px, 10vw, 52px); }
  .image-wrapper::before { width: 200px; height: 200px; }
  .hero-photo { max-width: 240px; }

  /* Projetos: coluna única */
  .proj-grid { grid-template-columns: 1fr; }

  /* Contato: coluna única */
  .contact-grid { grid-template-columns: 1fr; max-width: 400px; }

  /* Skills: 3 colunas */
  .skills-grid { grid-template-columns: repeat(3, 1fr); }

  /* Diferenciais */
  .diff-card { flex-direction: column; gap: 14px; }
  .diff-ico { width: 40px; height: 40px; }

  /* Padding sections */
  .skills-sec { padding: 60px 0; }
  .proj-sec { padding: 70px 0; }
  .diff-sec { padding: 70px 0; }
  .contact-sec { padding: 70px 0; }
}

/* Small mobile (≤ 480px) */
@media(max-width: 480px) {
  .hero-photo { max-width: 200px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .skill-card { padding: 16px 8px; }
  .skill-icon svg, .skill-icon img { width: 32px; height: 32px; }
  .hero-cta { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .proj-header .sec-sub { font-size: 14px; }
  .diff-header { margin-bottom: 36px; }
  footer p { font-size: 12px; }
}

/* Extra small (≤ 360px) */
@media(max-width: 360px) {
  .nav-inner { padding: 0 14px; }
  .container { padding: 0 14px; }
  .hero-greeting { font-size: 13px; }
  .hero-name { font-size: 30px; }
}