/* ==========================================================================
   Kairo Dev — Portfólio
   Temas: claro (padrão) · escuro · preto e branco (mono)
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --bg:            #f7f7fa;
  --bg-alt:        #eeeeF4;
  --bg-deep:       #0a0a10;

  --surface:       rgba(12, 12, 22, .045);
  --surface-2:     rgba(12, 12, 22, .075);
  --field-bg:      rgba(255, 255, 255, .85);

  --line:          rgba(12, 12, 22, .10);
  --line-strong:   rgba(12, 12, 22, .20);

  --text:          #14141f;
  --muted:         #4a4a5e;
  --faint:         #6b6b82;

  --brand:         #6d4aff;
  --brand-2:       #12a98f;
  --brand-3:       #e04b83;
  --accent:        #c07a00;

  --grad:        linear-gradient(115deg, var(--brand) 0%, var(--brand-3) 50%, var(--brand-2) 100%);
  --grad-soft:   linear-gradient(115deg, rgba(109,74,255,.13), rgba(224,75,131,.10), rgba(18,169,143,.10));
  --grad-text:   linear-gradient(115deg, var(--brand) 0%, var(--brand-3) 55%, var(--brand-2) 100%);

  --glow:        0 0 40px rgba(109, 74, 255, .28);
  --shadow:      0 22px 60px -24px rgba(20, 20, 40, .28);
  --shadow-sm:   0 10px 30px -14px rgba(20, 20, 40, .22);

  --hero-glow-1: rgba(109, 74, 255, .26);
  --hero-glow-2: rgba(224, 75, 131, .16);
  --hero-glow-3: rgba(18, 169, 143, .14);
  --grid-line:   rgba(12, 12, 22, .055);

  --tag-bg:       rgba(109, 74, 255, .09);
  --tag-line:     rgba(109, 74, 255, .26);
  --tag-text:     #5a3fd6;

  --scrim:        rgba(247, 247, 250, .88);
  --grain-blend:  multiply;
  --grain-op:     .5;

  --radius:        18px;
  --radius-sm:     12px;
  --radius-lg:     26px;

  --font-display:  'Sora', system-ui, -apple-system, sans-serif;
  --font-body:     'Inter', system-ui, -apple-system, sans-serif;

  --wrap:          1200px;
  --header-h:      74px;
  --ease:          cubic-bezier(.22, 1, .36, 1);
}

/* ---------- Tema escuro ---------- */
html[data-theme='dark'] {
  --bg:            #0a0a10;
  --bg-alt:        #0f0f18;
  --bg-deep:       #05050a;

  --surface:       rgba(255, 255, 255, .05);
  --surface-2:     rgba(255, 255, 255, .08);
  --field-bg:      rgba(0, 0, 0, .28);

  --line:          rgba(255, 255, 255, .11);
  --line-strong:   rgba(255, 255, 255, .20);

  --text:          #ececf3;
  --muted:         #9a9ab0;
  --faint:         #84849c;

  --brand:         #7c5cff;
  --brand-2:       #2ed3b7;
  --brand-3:       #ff6b9d;
  --accent:        #ffb020;

  --grad-soft:     linear-gradient(115deg, rgba(124,92,255,.18), rgba(255,107,157,.14), rgba(46,211,183,.14));
  --glow:          0 0 40px rgba(124, 92, 255, .35);
  --shadow:        0 20px 60px -20px rgba(0, 0, 0, .8);
  --shadow-sm:     0 10px 30px -14px rgba(0, 0, 0, .7);

  --hero-glow-1: rgba(124, 92, 255, .30);
  --hero-glow-2: rgba(255, 107, 157, .20);
  --hero-glow-3: rgba(46, 211, 183, .16);
  --grid-line:   rgba(255, 255, 255, .05);

  --tag-bg:       rgba(124, 92, 255, .12);
  --tag-line:     rgba(124, 92, 255, .30);
  --tag-text:     #c3b8ff;

  --scrim:        rgba(10, 10, 16, .84);
  --grain-blend:  overlay;
  --grain-op:     .28;
}

/* ---------- Tema preto e branco ---------- */
html[data-theme='mono'] {
  --bg:            #ffffff;
  --bg-alt:        #f2f2f2;
  --bg-deep:       #000000;

  --surface:       rgba(0, 0, 0, .045);
  --surface-2:     rgba(0, 0, 0, .08);
  --field-bg:      #ffffff;

  --line:          rgba(0, 0, 0, .14);
  --line-strong:   rgba(0, 0, 0, .32);

  --text:          #0d0d0d;
  --muted:         #4a4a4a;
  --faint:         #6b6b6b;

  --brand:         #0d0d0d;
  --brand-2:       #4a4a4a;
  --brand-3:       #767676;
  --accent:        #0d0d0d;

  --grad:        linear-gradient(115deg, #0d0d0d 0%, #4a4a4a 50%, #8c8c8c 100%);
  --grad-soft:   linear-gradient(115deg, rgba(0,0,0,.08), rgba(0,0,0,.05), rgba(0,0,0,.03));
  --grad-text:   linear-gradient(115deg, #0d0d0d 0%, #3d3d3d 55%, #6e6e6e 100%);

  --glow:        0 0 30px rgba(0, 0, 0, .18);
  --shadow:      0 22px 60px -24px rgba(0, 0, 0, .45);
  --shadow-sm:   0 10px 30px -14px rgba(0, 0, 0, .3);

  --hero-glow-1: rgba(0, 0, 0, .10);
  --hero-glow-2: rgba(0, 0, 0, .06);
  --hero-glow-3: rgba(0, 0, 0, .05);
  --grid-line:   rgba(0, 0, 0, .07);

  --tag-bg:       rgba(0, 0, 0, .06);
  --tag-line:     rgba(0, 0, 0, .24);
  --tag-text:     #2b2b2b;

  --scrim:        rgba(255, 255, 255, .9);
  --grain-blend:  multiply;
  --grain-op:     .32;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background .4s var(--ease), color .4s var(--ease);
}

img, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }

::selection { background: var(--brand); color: var(--bg); }

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

.skip-link {
  position: absolute; top: -100px; left: 16px; z-index: 999;
  background: var(--brand); color: var(--bg); padding: 12px 20px;
  border-radius: 0 0 10px 10px; font-weight: 600;
}
.skip-link:focus { top: 0; }

.ico { flex: none; }

/* ==========================================================================
   Abertura 3D — doors abrindo + marca
   ========================================================================== */
/* Sem JS não há animação de abertura — o site aparece direto */
.intro { display: none; }

.has-js .intro {
  position: fixed; inset: 0; z-index: 200;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .7s var(--ease), visibility .7s;
}
.intro.is-done {
  opacity: 0; visibility: hidden; pointer-events: none;
}

/* Enquanto a abertura roda o scroll fica travado */
body.is-intro { overflow: hidden; }
.intro-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
}
/* Palco onde o canvas da abertura é montado */
.intro-stage { position: absolute; inset: 0; }
.intro-stage canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
}

.intro-fallback {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 60% at 50% 45%, var(--hero-glow-1), transparent 65%),
    radial-gradient(45% 45% at 78% 72%, var(--hero-glow-2), transparent 68%);
}

/* Halo atrás das portas — some quando a cena 3D assume */
.intro-backdrop {
  position: absolute; left: 50%; top: 46%;
  width: min(760px, 92vw); aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--hero-glow-1), transparent 62%);
  filter: blur(28px);
  opacity: .9;
  transition: opacity .5s var(--ease);
  pointer-events: none;
}
.intro.is-open .intro-backdrop { opacity: 0; }

.intro-inner {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center;
  gap: 26px; padding: 30px; text-align: center;
  transition: opacity .5s var(--ease), transform .6s var(--ease);
}
.intro.is-open .intro-inner { opacity: 0; transform: translateY(-14px); pointer-events: none; }

.intro-kicker {
  font-family: var(--font-display); font-size: .74rem; font-weight: 600;
  letter-spacing: .32em; text-transform: uppercase; color: var(--faint);
}

.intro-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.6rem, 11vw, 6.4rem);
  line-height: .92; letter-spacing: -.05em;
  background: var(--grad-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

.intro-tag {
  font-family: var(--font-display); font-size: clamp(.72rem, 1.6vw, .9rem);
  font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted);
}

.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }

.intro-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 30px; border-radius: 999px;
  font-family: var(--font-display); font-size: .95rem; font-weight: 600;
  background: var(--grad); color: #fff;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .45);
  transition: transform .28s var(--ease), box-shadow .28s;
}
html[data-theme='mono'] .intro-btn { color: #fff; }
.intro-btn:hover { transform: translateY(-3px); }
.intro-btn:active { transform: translateY(0); }
.intro-btn:disabled {
  opacity: .65; cursor: progress; transform: none;
  box-shadow: none;
}

.intro-skip {
  padding: 14px 20px; border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: .9rem; font-weight: 500; color: var(--muted);
  transition: all .25s;
}
.intro-skip:hover { color: var(--text); border-color: var(--brand); background: var(--surface); }

.intro-sound {
  position: absolute; right: 22px; bottom: 22px; z-index: 4;
  width: 42px; height: 42px; display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--faint);
  transition: all .25s var(--ease);
}
.intro-sound:hover { color: var(--text); border-color: var(--brand); transform: translateY(-2px); }
.intro-sound[aria-pressed='true'] {
  color: #fff; background: var(--grad); border-color: transparent;
  box-shadow: var(--shadow-sm);
}

.intro-progress {
  position: absolute; left: 50%; bottom: 40px; transform: translateX(-50%);
  z-index: 3; width: min(240px, 60vw); height: 2px;
  background: var(--line); border-radius: 2px; overflow: hidden;
}
.intro-progress i {
  display: block; height: 100%; width: 0;
  background: var(--grad); border-radius: 2px;
}

.intro-hint {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%);
  z-index: 3; font-size: .68rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--faint);
  transition: opacity .4s var(--ease);
  white-space: nowrap;
}
.intro.is-open .intro-hint { opacity: 0; }

/* ==========================================================================
   Grão
   ========================================================================== */
.grain {
  position: fixed; inset: 0; z-index: 9;
  pointer-events: none; opacity: var(--grain-op);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode: var(--grain-blend);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: background .35s var(--ease), backdrop-filter .35s, border-color .35s;
  border-bottom: 1px solid transparent;
}
.site-header.is-stuck {
  background: var(--scrim);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: var(--line);
}

.wrap { width: min(100% - 40px, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 40px, 820px); }

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

.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }

.brand-mark {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 12px; background: var(--grad-soft);
  border: 1px solid var(--line-strong); flex: none;
}
.brand-cube {
  width: 16px; height: 16px;
  background: var(--grad);
  border-radius: 3px;
  transform: rotate(-18deg) skewY(8deg);
  animation: cubeSpin 6s ease-in-out infinite;
}
@keyframes cubeSpin {
  0%, 100% { transform: rotate(-18deg) skewY(8deg) scale(1); }
  50%      { transform: rotate(160deg) skewY(8deg) scale(.82); }
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-size: 1.02rem; letter-spacing: -.02em; }
.brand-text em {
  font-style: normal; font-size: .68rem; color: var(--muted);
  letter-spacing: .16em; text-transform: uppercase;
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative; padding: 8px 14px; border-radius: 999px;
  font-size: .89rem; font-weight: 500; color: var(--muted);
  transition: color .25s, background .25s;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link.is-active { color: var(--text); background: var(--surface-2); }
.nav-link.is-active::after {
  content: ''; position: absolute; left: 50%; bottom: 1px;
  width: 16px; height: 2px; border-radius: 2px;
  background: var(--grad); transform: translateX(-50%);
}

/* ---------- Alternador de tema ---------- */
.theme-switch {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 3px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  flex: none;
}
.theme-btn {
  display: grid; place-items: center;
  width: 32px; height: 32px; border-radius: 999px;
  color: var(--faint);
  transition: color .25s, background .25s, transform .25s var(--ease);
}
.theme-btn:hover { color: var(--text); background: var(--surface-2); }
.theme-btn[aria-pressed='true'] {
  color: #fff; background: var(--grad);
  box-shadow: 0 4px 12px -4px rgba(0, 0, 0, .5);
}
.theme-btn .ico { width: 16px; height: 16px; }

.nav-toggle {
  display: none; width: 42px; height: 42px;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
  border-radius: 11px; border: 1px solid var(--line); background: var(--surface);
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; border-radius: 2px;
  background: var(--text); transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.scroll-progress {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 0;
  background: var(--grad); box-shadow: 0 0 12px var(--hero-glow-1);
}

/* ==========================================================================
   Botões
   ========================================================================== */
.btn {
  --pad-y: 13px;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: var(--pad-y) 24px;
  font-family: var(--font-display); font-size: .93rem; font-weight: 600;
  letter-spacing: -.01em; border-radius: 999px;
  transition: transform .25s var(--ease), box-shadow .25s, background .25s, border-color .25s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-sm { --pad-y: 9px; padding-inline: 18px; font-size: .85rem; }
.btn-block { width: 100%; }

.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-sm); }
html[data-theme='mono'] .btn-primary { color: #fff; }
.btn-primary:hover { box-shadow: var(--glow); }
.btn-primary:disabled { opacity: .6; cursor: progress; transform: none; }

.btn-ghost {
  border: 1px solid var(--line-strong); color: var(--text);
  background: var(--surface); backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--brand); }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; min-height: 100svh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 60px) 0 90px;
  overflow: hidden;
}

.hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; opacity: 0; transition: opacity 1.2s var(--ease);
}
.hero-canvas.is-ready { opacity: 1; }

.hero-fallback {
  position: absolute; z-index: 0; inset: 0;
  background:
    radial-gradient(58% 55% at 78% 34%, var(--hero-glow-1), transparent 62%),
    radial-gradient(48% 46% at 18% 68%, var(--hero-glow-2), transparent 64%),
    radial-gradient(40% 40% at 55% 12%, var(--hero-glow-3), transparent 66%);
  transition: opacity .8s;
}
.hero-fallback.is-hidden { opacity: 0; }

.hero-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 62px 62px;
  mask-image: radial-gradient(75% 65% at 50% 45%, #000 20%, transparent 78%);
  -webkit-mask-image: radial-gradient(75% 65% at 50% 45%, #000 20%, transparent 78%);
}

.hero-glow {
  position: absolute; z-index: 0; width: 560px; height: 560px;
  right: -140px; top: 12%;
  background: radial-gradient(circle, var(--hero-glow-1), transparent 66%);
  filter: blur(50px); pointer-events: none;
}

.hero-inner {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: 60px; align-items: center; width: 100%;
}

.badge {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 15px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
  font-size: .79rem; font-weight: 500; color: var(--muted);
  letter-spacing: .01em;
}
.badge .dot {
  width: 7px; height: 7px; border-radius: 50%; background: #2fbd6e;
  box-shadow: 0 0 0 0 rgba(47, 189, 110, .7); animation: pulse 2.4s infinite;
}
@keyframes pulse {
  70%  { box-shadow: 0 0 0 9px rgba(47, 189, 110, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 189, 110, 0); }
}

.hero-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.6rem, 7.2vw, 5.1rem);
  line-height: .98; letter-spacing: -.045em;
  margin: 22px 0 20px;
}
.hero-title .line { display: block; }
.hero-title .line:first-child {
  font-size: clamp(1.05rem, 2.4vw, 1.55rem);
  font-weight: 300; letter-spacing: .01em; color: var(--muted);
  margin-bottom: 10px; line-height: 1.3;
}
.grad {
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.hero-role {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.06rem; font-weight: 600;
  color: var(--brand-2); margin-bottom: 18px;
}
.hero-role .ico { color: var(--brand-2); }

.hero-lead {
  max-width: 54ch; color: var(--muted); font-size: 1.06rem; margin-bottom: 32px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }

.hero-socials { display: flex; gap: 9px; }
.hero-socials a {
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 12px; border: 1px solid var(--line);
  background: var(--surface); color: var(--muted);
  transition: all .25s var(--ease);
}
.hero-socials a:hover {
  color: var(--text); transform: translateY(-3px);
  border-color: var(--brand); background: var(--surface-2); box-shadow: var(--glow);
}

.hero-stats {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px;
  padding: 26px; border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--surface), rgba(255, 255, 255, .015));
  border: 1px solid var(--line); backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}
.stat { text-align: center; padding: 6px 0; }
.stat-num {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.7rem, 3.4vw, 2.4rem); line-height: 1;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label {
  display: block; margin-top: 6px; font-size: .74rem; color: var(--faint);
  letter-spacing: .06em; text-transform: uppercase;
}

.hero-scroll {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: .66rem; letter-spacing: .24em; text-transform: uppercase; color: var(--faint);
  transition: color .25s;
}
.hero-scroll:hover { color: var(--text); }
.mouse {
  width: 24px; height: 38px; border: 1.5px solid currentColor;
  border-radius: 14px; display: grid; justify-items: center; padding-top: 7px;
}
.mouse i {
  width: 3px; height: 7px; border-radius: 2px; background: currentColor;
  animation: wheel 1.9s ease-in-out infinite;
}
@keyframes wheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%      { transform: translateY(11px); opacity: .2; }
}

/* ==========================================================================
   Seções
   ========================================================================== */
.section { padding: clamp(76px, 11vw, 132px) 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, transparent, var(--surface) 12%, var(--surface) 88%, transparent);
}
.section-alt::before, .section-alt::after {
  content: ''; position: absolute; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}
.section-alt::before { top: 0; }
.section-alt::after  { bottom: 0; }

.section-head { max-width: 660px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .72rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--brand-2); margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.85rem, 4.4vw, 3rem);
  line-height: 1.12; letter-spacing: -.035em;
  text-wrap: balance;
}
.section-sub { margin-top: 16px; color: var(--muted); font-size: 1.03rem; }

.block-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.45rem; font-weight: 700;
  letter-spacing: -.025em; margin-bottom: 34px;
}
.block-title .ico { color: var(--accent); }

.lead-text { color: var(--muted); margin-top: 20px; font-size: 1.02rem; }

/* ==========================================================================
   Cards
   ========================================================================== */
.card {
  position: relative; padding: 26px;
  border-radius: var(--radius);
  background: linear-gradient(158deg, var(--surface), rgba(255, 255, 255, .012));
  border: 1px solid var(--line);
  backdrop-filter: blur(12px);
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s, background .4s;
  overflow: hidden;
}
.card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--hero-glow-1), transparent 55%);
  opacity: 0; transition: opacity .4s;
}
.card:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

.card-icon {
  display: grid; place-items: center;
  width: 46px; height: 46px; margin-bottom: 18px;
  border-radius: 14px; flex: none;
  background: var(--grad-soft); border: 1px solid var(--line-strong);
  color: var(--brand-2);
}

.card h3 {
  font-family: var(--font-display); font-size: 1.12rem; font-weight: 600;
  letter-spacing: -.02em; margin-bottom: 9px;
}
.card p { color: var(--muted); font-size: .93rem; }

/* ---------- Sobre ---------- */
.about-grid {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px); align-items: start;
}
.about-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.about-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.services { margin-top: clamp(64px, 9vw, 104px); }
.services-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 700;
  letter-spacing: -.025em; margin-bottom: 28px;
}
.services-title .ico { color: var(--brand); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; }

/* ---------- Tags ---------- */
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tag {
  padding: 5px 11px; border-radius: 999px;
  background: var(--tag-bg); border: 1px solid var(--tag-line);
  color: var(--tag-text); font-size: .73rem; font-weight: 500; letter-spacing: .01em;
}
.tag-sm { font-size: .68rem; padding: 4px 9px; }

/* ---------- Skills ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.card-skill-head { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.card-skill-head .card-icon { margin-bottom: 0; }
.card-skill-head h3 { margin-bottom: 0; }

.skill-list { display: grid; gap: 15px; }
.skill-meta { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 7px; }
.skill-name { font-size: .89rem; font-weight: 500; }
.skill-val { font-family: var(--font-display); font-size: .78rem; font-weight: 600; color: var(--brand-2); }

.skill-bar {
  height: 6px; border-radius: 999px; overflow: hidden;
  background: rgba(127, 127, 127, .22);
}
.skill-fill {
  display: block; height: 100%; width: 0;
  border-radius: 999px;
  background: var(--grad);
  box-shadow: 0 0 12px var(--hero-glow-1);
  transition: width 1.4s var(--ease);
}

.tools { margin-top: clamp(52px, 7vw, 84px); text-align: center; }
.tools-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .74rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--faint); margin-bottom: 24px;
}
.tools-list { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.tool {
  padding: 9px 18px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  font-size: .85rem; font-weight: 500; color: var(--muted);
  transition: all .28s var(--ease);
}
.tool:hover {
  color: var(--text); transform: translateY(-3px);
  border-color: var(--brand); background: var(--surface-2);
  box-shadow: var(--shadow-sm);
}

/* ---------- Filtros ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 32px; }
.filter {
  padding: 8px 17px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  font-size: .84rem; font-weight: 500; color: var(--muted);
  transition: all .25s var(--ease);
}
.filter:hover { color: var(--text); border-color: var(--line-strong); }
.filter.is-active { background: var(--grad); border-color: transparent; color: #fff; box-shadow: var(--shadow-sm); }
html[data-theme='mono'] .filter.is-active { color: #fff; }

/* ---------- Projetos ---------- */
.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.card-project { padding: 0; display: flex; flex-direction: column; }
.card-project.is-hidden { display: none; }

/* Destaques ocupam duas colunas e ganham thumb mais largo */
.card-project.is-featured { grid-column: span 2; }
.card-project.is-featured .project-thumb { aspect-ratio: 21 / 9; }
.card-project.is-featured .project-title { font-size: 1.3rem; }
.card-project.is-featured .project-3d { width: 76px; height: 76px; margin: -38px 0 0 -38px; }

.project-thumb {
  position: relative; aspect-ratio: 16 / 10; overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, var(--surface), rgba(255, 255, 255, .01));
}
.project-shape {
  position: absolute; inset: 0;
  background:
    radial-gradient(70% 90% at 50% 115%, var(--accent), transparent 62%),
    radial-gradient(45% 55% at 18% 22%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 70%);
  opacity: .5; transition: transform .8s var(--ease), opacity .5s;
}
.card-project:hover .project-shape { transform: scale(1.14); opacity: .72; }

.project-3d {
  position: absolute; left: 50%; top: 50%;
  width: 62px; height: 62px; margin: -31px 0 0 -31px;
  border: 2px solid currentColor; opacity: .55;
  border-radius: 9px;
  transform: rotate(22deg) skewY(-12deg);
  transition: transform .9s var(--ease), opacity .5s, box-shadow .5s;
}
.card-project:hover .project-3d {
  transform: rotate(52deg) skewY(-12deg) scale(1.12);
  opacity: 1; box-shadow: 0 0 42px -4px var(--accent);
}

.project-year {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  padding: 4px 11px; border-radius: 999px;
  background: var(--scrim); backdrop-filter: blur(8px);
  border: 1px solid var(--line);
  font-family: var(--font-display); font-size: .72rem; font-weight: 600;
}

.project-body { padding: 22px; flex: 1; }
.project-cat {
  font-size: .71rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--brand-2); margin-bottom: 9px;
}
.project-title {
  font-family: var(--font-display); font-size: 1.1rem; font-weight: 600;
  letter-spacing: -.02em; margin-bottom: 9px;
}
.project-desc { font-size: .9rem; }

.project-link {
  position: absolute; right: 18px; bottom: 18px; z-index: 2;
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--line);
  background: var(--surface); color: var(--muted);
  transition: all .3s var(--ease);
}
.project-link .ico { transform: rotate(-45deg); }
.card-project:hover .project-link {
  background: var(--grad); border-color: transparent; color: #fff;
  transform: rotate(90deg); box-shadow: var(--shadow-sm);
}
html[data-theme='mono'] .project-link { color: #fff; }

.projects-empty { text-align: center; color: var(--muted); padding: 40px 0; }

/* ---------- Processo ---------- */
.process-list {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px; counter-reset: step;
}
.process-step {
  position: relative; padding: 26px 24px;
  border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--surface); overflow: hidden;
  transition: all .4s var(--ease);
}
.process-step::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 2px;
  background: var(--grad); transform: scaleX(0); transform-origin: left;
  transition: transform .6s var(--ease);
}
.process-step:hover { transform: translateY(-5px); border-color: var(--line-strong); background: var(--surface-2); }
.process-step:hover::after { transform: scaleX(1); }

.step-num {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: 2.3rem; line-height: 1; margin-bottom: 16px;
  color: var(--line-strong);
}
.process-step h3 {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 600;
  letter-spacing: -.02em; margin-bottom: 8px;
}
.process-step p { font-size: .89rem; color: var(--muted); }

/* ---------- Timeline ---------- */
.exp-block { margin-top: clamp(64px, 9vw, 104px); }
.timeline { position: relative; padding-left: 30px; }
.timeline::before {
  content: ''; position: absolute; left: 5px; top: 8px; bottom: 8px;
  width: 2px; border-radius: 2px;
  background: linear-gradient(180deg, var(--brand), var(--brand-3), transparent);
}
.timeline-item { position: relative; padding-bottom: 38px; }
.timeline-item:last-child { padding-bottom: 0; }

.tl-dot {
  position: absolute; left: -30px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--brand);
  box-shadow: 0 0 14px var(--hero-glow-1);
}
.tl-period {
  display: inline-block; font-family: var(--font-display);
  font-size: .74rem; font-weight: 600; letter-spacing: .1em;
  color: var(--brand-2); margin-bottom: 7px;
}
.tl-role {
  font-family: var(--font-display); font-size: 1.16rem; font-weight: 600;
  letter-spacing: -.02em; margin-bottom: 3px;
}
.tl-where { font-size: .86rem; color: var(--faint); margin-bottom: 12px; font-weight: 500; }
.tl-text { font-size: .93rem; color: var(--muted); max-width: 68ch; }
.timeline-item .tag-list { margin-top: 14px; }

/* ---------- Depoimentos ---------- */
.quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: clamp(56px, 8vw, 88px); }
.quote { display: flex; flex-direction: column; }
.quote-mark {
  font-family: var(--font-display); font-size: 3.4rem; font-weight: 800;
  line-height: .6; color: var(--brand); opacity: .45; margin-bottom: 12px;
}
.quote blockquote { font-size: 1rem; line-height: 1.62; margin-bottom: 22px; }
.quote figcaption { margin-top: auto; padding-top: 18px; border-top: 1px solid var(--line); }
.quote figcaption strong { display: block; font-family: var(--font-display); font-size: .95rem; font-weight: 600; }
.quote figcaption span { font-size: .8rem; color: var(--faint); }

/* ==========================================================================
   Automação & Integrações
   ========================================================================== */
.channels-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 18px; margin-bottom: 40px;
}

.card-channel { --chan: var(--brand); }
.card-channel::after {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: linear-gradient(160deg, color-mix(in srgb, var(--chan) 13%, transparent), transparent 55%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.card-channel:hover::after { opacity: 1; }
.card-channel:hover { border-color: color-mix(in srgb, var(--chan) 45%, var(--line)); }

.channel-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.channel-icon {
  display: grid; place-items: center; flex: none;
  width: 48px; height: 48px; border-radius: 14px;
  color: var(--chan);
  background: color-mix(in srgb, var(--chan) 14%, transparent);
  border: 1px solid color-mix(in srgb, var(--chan) 34%, transparent);
}
.channel-head h3 { margin-bottom: 3px; }
.channel-tag {
  font-size: .69rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--chan);
}
.channel-text { font-size: .91rem; margin-bottom: 18px; }

.check-list { display: grid; gap: 9px; }
.check-list li {
  display: flex; align-items: flex-start; gap: 9px;
  font-size: .87rem; color: var(--muted); line-height: 1.45;
}
.check-list .ico { margin-top: 3px; color: var(--brand-2); }
.check-list-sm li { font-size: .82rem; }

.auto-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 14px; padding: 26px; margin-bottom: clamp(56px, 7vw, 84px);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--surface), rgba(255, 255, 255, .015));
  border: 1px solid var(--line); backdrop-filter: blur(14px);
}
.auto-stat { text-align: center; }
.auto-stat-num {
  display: block; font-family: var(--font-display); font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1;
  background: var(--grad-text); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.auto-stat-label {
  display: block; margin-top: 6px; font-size: .74rem;
  color: var(--faint); letter-spacing: .05em; text-transform: uppercase;
}

.auto-services, .systems, .auto-faq { margin-bottom: clamp(56px, 7vw, 88px); }

.systems-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.system-head { display: flex; align-items: center; gap: 13px; margin-bottom: 14px; }
.system-head h3 { margin-bottom: 0; }
.card-icon-sm { width: 38px; height: 38px; margin-bottom: 0; border-radius: 12px; }

.stack { margin-bottom: clamp(56px, 7vw, 88px); }
.stack-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 22px; }
.stack-group {
  padding: 20px; border-radius: var(--radius-sm);
  background: var(--surface); border: 1px solid var(--line);
  transition: border-color .3s;
}
.stack-group:hover { border-color: var(--line-strong); }
.stack-name {
  display: block; margin-bottom: 14px;
  font-family: var(--font-display); font-size: .78rem; font-weight: 600;
  letter-spacing: .13em; text-transform: uppercase; color: var(--brand-2);
}
.tools-list-left { justify-content: flex-start; }
.tools-list-left .tool { padding: 6px 13px; font-size: .79rem; }
.tools-list-left .tool:hover { transform: none; }

.auto-cta {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 26px; padding: clamp(28px, 4vw, 44px);
  border-radius: var(--radius-lg);
  background: var(--grad-soft);
  border: 1px solid var(--line-strong);
  position: relative; overflow: hidden;
}
.auto-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(500px circle at 15% 0%, var(--hero-glow-1), transparent 60%);
  pointer-events: none;
}
.auto-cta > * { position: relative; z-index: 1; }
.auto-cta h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.auto-cta h3 .ico { color: var(--brand-2); }
.auto-cta p { color: var(--muted); font-size: .96rem; max-width: 52ch; }

/* ==========================================================================
   Contato
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(36px, 5vw, 60px); align-items: start; }

.contact-list { display: grid; gap: 16px; margin-top: 40px; }
.contact-list li { display: flex; align-items: center; gap: 15px; }
.contact-list .ico {
  color: var(--brand-2); padding: 11px; box-sizing: content-box;
  border-radius: 13px; background: var(--surface); border: 1px solid var(--line);
  width: 20px; height: 20px;
}
.contact-list div { display: flex; flex-direction: column; }

/* ---------- Telegram: ícone pulsando ---------- */
.contact-telegram .telegram-dot {
  position: relative;
  display: grid; place-items: center;
  width: 20px; height: 20px; padding: 11px;
  box-sizing: content-box;
  border-radius: 13px;
  color: #fff;
  background: linear-gradient(150deg, #2aabee, #229ed9);
  border: 1px solid rgba(42, 171, 238, .5);
  flex: none;
}

/* Halo que pulsa e se expande */
.contact-telegram .telegram-dot::before,
.contact-telegram .telegram-dot::after {
  content: ''; position: absolute; inset: -1px;
  border-radius: inherit;
  pointer-events: none;
}
.contact-telegram .telegram-dot::before {
  border: 2px solid #2aabee;
  animation: tgPulse 2.2s ease-out infinite;
}
.contact-telegram .telegram-dot::after {
  border: 2px solid #2aabee;
  animation: tgPulse 2.2s ease-out .7s infinite;
}

/* Brilho pulsante no próprio ícone */
.contact-telegram .telegram-dot .ico {
  color: #fff;
  animation: tgGlow 2.2s ease-in-out infinite;
}

@keyframes tgPulse {
  0%   { opacity: .85; transform: scale(1); }
  70%  { opacity: 0;   transform: scale(1.85); }
  100% { opacity: 0;   transform: scale(1.85); }
}
@keyframes tgGlow {
  0%, 100% { opacity: 1;  filter: drop-shadow(0 0 0 rgba(42, 171, 238, 0)); }
  50%      { opacity: .7; filter: drop-shadow(0 0 7px rgba(42, 171, 238, .95)); }
}

.contact-telegram a {
  color: #1e9ede;
  transition: color .25s;
}
html[data-theme='dark'] .contact-telegram a { color: #56b8ef; }
html[data-theme='mono'] .contact-telegram a { color: var(--text); }
.contact-telegram a:hover { color: var(--brand-2); }

/* Versão em preto e branco: mantém o pulso, sem cor */
html[data-theme='mono'] .contact-telegram .telegram-dot {
  background: #0d0d0d;
  border-color: rgba(0, 0, 0, .5);
}
html[data-theme='mono'] .contact-telegram .telegram-dot::before,
html[data-theme='mono'] .contact-telegram .telegram-dot::after {
  border-color: #0d0d0d;
}
html[data-theme='mono'] .contact-telegram .telegram-dot .ico {
  animation: none;
}
.contact-list span {
  font-size: .71rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--faint); margin-bottom: 2px;
}
.contact-list a, .contact-list strong { font-family: var(--font-display); font-size: 1rem; font-weight: 600; }
.contact-list a { transition: color .25s; }
.contact-list a:hover { color: var(--brand-2); }

.contact-socials { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line);
  font-size: .82rem; color: var(--muted);
  transition: all .28s var(--ease);
}
.social-btn:hover {
  color: var(--text); transform: translateY(-3px);
  border-color: var(--brand); background: var(--surface-2); box-shadow: var(--glow);
}

/* Telegram entre os botões sociais: mantém o pulso do ícone */
.social-btn.is-telegram {
  color: #1e9ede;
  border-color: rgba(42, 171, 238, .4);
  background: rgba(42, 171, 238, .10);
}
html[data-theme='dark'] .social-btn.is-telegram { color: #56b8ef; }
html[data-theme='mono'] .social-btn.is-telegram {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--surface);
}
.social-btn.is-telegram .ico { animation: tgGlow 2.2s ease-in-out infinite; }
.social-btn.is-telegram:hover { border-color: #2aabee; box-shadow: 0 0 24px -6px rgba(42, 171, 238, .7); }

.card-form { padding: clamp(24px, 3vw, 34px); }
.card-form form { display: grid; gap: 18px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field label {
  font-size: .8rem; font-weight: 600; letter-spacing: .04em; color: var(--muted);
}
.field .opt { color: var(--faint); font-weight: 400; text-transform: none; letter-spacing: 0; }

.field input, .field textarea, .field select {
  width: 100%; padding: 13px 15px;
  font-family: var(--font-body); font-size: .93rem; color: var(--text);
  background: var(--field-bg);
  border: 1px solid var(--line); border-radius: var(--radius-sm);
  transition: border-color .25s, box-shadow .25s, background .25s;
}
.field textarea { resize: vertical; min-height: 118px; line-height: 1.6; }
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23777' stroke-width='1.6'%3E%3Cpath d='m1 1 5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 15px center; padding-right: 40px;
}
.field select option { background: var(--bg); color: var(--text); }

.field input::placeholder, .field textarea::placeholder { color: var(--faint); }

.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--brand);
  background: var(--field-bg);
  box-shadow: 0 0 0 3px var(--hero-glow-1);
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] {
  border-color: #e0364f; box-shadow: 0 0 0 3px rgba(224, 54, 79, .14);
}

.err { color: #c92d45; font-size: .78rem; }
.counter { align-self: flex-end; font-size: .74rem; color: var(--faint); margin-top: -4px; }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.alert {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 17px 19px; margin-bottom: 24px;
  border-radius: var(--radius-sm); font-size: .9rem;
}
.alert .ico { flex: none; margin-top: 1px; }
.alert strong { display: block; font-family: var(--font-display); margin-bottom: 3px; }
.alert p { color: inherit; opacity: .82; font-size: .86rem; }
.alert-ok  { background: rgba(47, 189, 110, .10); border: 1px solid rgba(47, 189, 110, .34); color: #14733f; }
.alert-err { background: rgba(224, 54, 79, .10); border: 1px solid rgba(224, 54, 79, .34); color: #b3203a; }
html[data-theme='dark'] .alert-ok  { color: #7ff0b6; }
html[data-theme='dark'] .alert-err { color: #ff9db0; }
html[data-theme='mono'] .alert-ok  { color: #14733f; }
html[data-theme='mono'] .alert-err { color: #b3203a; }

.alert-err { transition: opacity .3s, max-height .3s; }
.form-note { font-size: .78rem; color: var(--faint); text-align: center; }

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq-list { display: grid; gap: 12px; }
.faq-item {
  border-radius: var(--radius); border: 1px solid var(--line);
  background: var(--surface); overflow: hidden;
  transition: border-color .3s, background .3s;
}
.faq-item[open] { border-color: var(--brand); background: var(--surface-2); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px 22px; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-size: 1rem; font-weight: 600; letter-spacing: -.015em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--brand-2); }

.faq-chevron { flex: none; position: relative; width: 12px; height: 12px; }
.faq-chevron::before, .faq-chevron::after {
  content: ''; position: absolute; inset: 50% 0 auto; height: 2px;
  border-radius: 2px; background: var(--muted);
  transform: translateY(-50%); transition: transform .3s var(--ease);
}
.faq-chevron::after { transform: translateY(-50%) rotate(90deg); }
.faq-item[open] .faq-chevron::after { transform: translateY(-50%) rotate(0); }

.faq-answer { padding: 0 22px 22px; }
.faq-answer p { color: var(--muted); font-size: .93rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding-top: 56px; }
.footer-top { display: flex; flex-wrap: wrap; gap: 32px; align-items: center; justify-content: space-between; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 13px; }
.footer-brand strong { font-family: var(--font-display); font-size: 1rem; }
.footer-brand p { font-size: .82rem; color: var(--faint); }

.footer-nav { display: flex; flex-wrap: wrap; gap: 18px; }
.footer-nav a { font-size: .85rem; color: var(--muted); transition: color .25s; }
.footer-nav a:hover { color: var(--brand-2); }

.footer-socials { display: flex; gap: 8px; }
.footer-socials a {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 11px; border: 1px solid var(--line);
  color: var(--muted); transition: all .25s var(--ease);
}
.footer-socials a:hover { color: var(--text); transform: translateY(-3px); border-color: var(--brand); box-shadow: var(--glow); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 12px;
  justify-content: space-between; align-items: center;
  padding: 22px 0 30px; border-top: 1px solid var(--line);
  font-size: .8rem; color: var(--faint);
}
.footer-made { display: inline-flex; align-items: center; gap: 7px; }
.footer-made .ico { color: var(--brand); }

/* ---------- Voltar ao topo ---------- */
.to-top {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 46px; height: 46px; display: grid; place-items: center;
  border-radius: 50%; border: 1px solid var(--line-strong);
  background: var(--scrim); backdrop-filter: blur(14px);
  color: var(--text);
  opacity: 0; visibility: hidden; transform: translateY(14px) scale(.9);
  transition: all .35s var(--ease);
}
.to-top .ico { transform: rotate(-90deg); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--grad); border-color: transparent; color: #fff; box-shadow: var(--glow); }
html[data-theme='mono'] .to-top { color: #fff; }

/* ==========================================================================
   Animações de entrada
   ========================================================================== */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
  transition-delay: calc(var(--d, 0) * 90ms);
}
.reveal.is-in { opacity: 1; transform: none; }

/* ==========================================================================
   Responsivo
   ========================================================================== */
@media (max-width: 1080px) {
  .brand-text { display: none; }
}

@media (max-width: 980px) {
  .card-project.is-featured { grid-column: span 1; }
  .card-project.is-featured .project-thumb { aspect-ratio: 16 / 10; }
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-stats { grid-template-columns: repeat(4, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .header-cta { display: none; }
  .auto-cta { flex-direction: column; align-items: flex-start; }

  .nav {
    position: fixed; inset: var(--header-h) 0 auto;
    flex-direction: column; align-items: stretch; gap: 2px;
    padding: 18px 20px 24px;
    background: var(--scrim);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    transform: translateY(-14px); opacity: 0; visibility: hidden;
    transition: all .32s var(--ease);
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav-link { padding: 13px 16px; border-radius: var(--radius-sm); font-size: .95rem; }
  .nav-toggle { display: flex; }
}

@media (max-width: 640px) {
  .auto-stats { grid-template-columns: repeat(2, 1fr); padding: 20px; }
  .about-cards { grid-template-columns: 1fr; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .hero-scroll { display: none; }
  .footer-top, .footer-bottom { flex-direction: column; align-items: flex-start; }
  .card { padding: 22px; }
  .section-head { margin-bottom: 38px; }
  .intro-progress { bottom: 26px; }
  .intro-hint { display: none; }
}

@media (max-width: 420px) {
  .hero-actions .btn { width: 100%; }
  .projects-grid { grid-template-columns: 1fr; }
  .intro-actions { flex-direction: column; width: 100%; }
  .intro-btn, .intro-skip { width: 100%; justify-content: center; }
}

/* ---------- Movimento reduzido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .skill-fill { transition: none; }
  .intro { display: none !important; }

  /* O pulso do Telegram também é animação — some, mas o link continua visível */
  .contact-telegram .telegram-dot::before,
  .contact-telegram .telegram-dot::after,
  .contact-telegram .telegram-dot .ico,
  .social-btn.is-telegram .ico { animation: none; }
  .contact-telegram .telegram-dot::before,
  .contact-telegram .telegram-dot::after { display: none; }
}

/* ---------- Impressão ---------- */
@media print {
  .site-header, .to-top, .hero-canvas, .hero-fallback, .grain,
  .filters, .card-form, .hero-scroll, .hero-socials, .intro,
  .intro-sound, .theme-switch { display: none !important; }
  body { background: #fff; color: #111; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .card { border-color: #ddd; background: #fff; }
  .section { padding: 20px 0; page-break-inside: avoid; }
}