/* ============================================================
   IS7 — Site v2 (dark / premium / bold)
   Evolved from the IS7 brand: deep navy canvas, purple→blue
   gradient accents, Montserrat display + Inter body + JetBrains
   Mono labels. Capture-safe reveal motion.
   ============================================================ */

:root{
  --bg:        #070A14;
  --bg-2:      #0A0F1E;
  --surface:   #0E1426;
  --surface-2: #131A30;
  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.14);

  --fg:        #F4F6FB;
  --fg-muted:  #98A1BC;
  --fg-dim:    #646C8A;

  /* brand accent (purple→blue), brightened for dark */
  --accent:    #9145E6;
  --accent-2:  #3B6CFF;
  --accent-bright: #B57BFF;
  --grad: linear-gradient(118deg, #9145E6 0%, #5B5BF5 52%, #3B6CFF 100%);
  --grad-soft: linear-gradient(118deg, rgba(145,69,230,.16), rgba(59,108,255,.16));

  --wa:        #25D366;
  --star:      #FBBF24;
  --google-blue:#4285F4;

  --serif: 'Montserrat', system-ui, sans-serif;
  --sans:  'Inter', system-ui, -apple-system, sans-serif;
  --mono:  'JetBrains Mono', ui-monospace, 'SFMono-Regular', monospace;

  --maxw: 1200px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0; background:var(--bg); color:var(--fg);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{ font-family:var(--serif); font-weight:800; margin:0; letter-spacing:-.02em; line-height:1.04; }
a{ color:inherit; text-decoration:none; }
img{ display:block; max-width:100%; }
::selection{ background:rgba(145,69,230,.35); color:#fff; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; position:relative; }
.section{ padding:104px 0; position:relative; }
.section-tight{ padding:72px 0; position:relative; }

/* ---------- Type helpers ---------- */
.display{ font-size:clamp(40px,6.6vw,82px); line-height:1.0; letter-spacing:-.03em; }
.h2{ font-size:clamp(30px,4vw,50px); line-height:1.05; }
.h3{ font-size:clamp(20px,2vw,24px); }
.grad-text{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }
.muted{ color:var(--fg-muted); }
.dim{ color:var(--fg-dim); }
.lead{ font-size:clamp(17px,1.5vw,20px); color:var(--fg-muted); line-height:1.6; }

/* eyebrow — mono label with leading slashes */
.eyebrow{
  font-family:var(--mono); font-weight:500; font-size:12px;
  letter-spacing:.24em; text-transform:uppercase; color:var(--accent-bright);
  display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:""; display:none; }
.eyebrow.center{ justify-content:center; }

/* ---------- Logo wordmark (gradient text, crisp on dark) ---------- */
.logo{ font-family:var(--serif); font-weight:800; letter-spacing:-.04em; line-height:1; display:inline-block; }
.logo .i{ color:var(--fg); }
.logo .s7{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  font-family:var(--sans); font-weight:600; font-size:15px;
  padding:15px 28px; border-radius:9999px; border:1px solid transparent;
  cursor:pointer; transition:transform .25s ease, box-shadow .25s ease, background .25s ease, border-color .25s ease, filter .25s; white-space:nowrap;
}
.btn-primary{ background:var(--grad); color:#fff; box-shadow:0 12px 30px -10px rgba(91,91,245,.6); }
.btn-primary:hover{ transform:translateY(-2px); filter:brightness(1.08); box-shadow:0 18px 40px -10px rgba(91,91,245,.7); }
.btn-ghost{ background:rgba(255,255,255,.02); border-color:var(--line-2); color:var(--fg); }
.btn-ghost:hover{ border-color:var(--accent-bright); background:rgba(145,69,230,.10); transform:translateY(-2px); }
.btn-wa{ background:var(--wa); color:#04210F; box-shadow:0 12px 30px -10px rgba(37,211,102,.5); }
.btn-wa:hover{ transform:translateY(-2px); filter:brightness(1.06); }
.btn-lg{ padding:17px 34px; font-size:16px; }

.link-arrow{ display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:14px; color:var(--accent-bright); transition:gap .25s; }
.link-arrow:hover{ gap:14px; }

/* ---------- Cards ---------- */
.card{ background:var(--surface); border:1px solid var(--line); border-radius:20px; transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease; }
.card-hover:hover{ transform:translateY(-5px); border-color:rgba(145,69,230,.45); box-shadow:0 24px 50px -22px rgba(91,91,245,.5); }

/* icon chip */
.chip{ width:52px; height:52px; border-radius:14px; display:flex; align-items:center; justify-content:center; background:var(--grad-soft); border:1px solid rgba(145,69,230,.30); }

/* status / tag pill */
.tag{ display:inline-flex; align-items:center; gap:7px; font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; padding:5px 11px; border-radius:9999px; border:1px solid var(--line-2); color:var(--fg-muted); background:rgba(255,255,255,.03); }
.tag-accent{ color:var(--accent-bright); border-color:rgba(145,69,230,.35); background:rgba(145,69,230,.10); }

/* ---------- Glows / decoration ---------- */
.glow{ position:absolute; border-radius:9999px; filter:blur(110px); pointer-events:none; z-index:0; }
.glow-purple{ background:rgba(145,69,230,.34); }
.glow-blue{ background:rgba(59,108,255,.30); }
.hair{ height:1px; background:linear-gradient(90deg, transparent, var(--line-2), transparent); border:0; }
.gridlines{ position:absolute; inset:0; z-index:0; pointer-events:none;
  background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:64px 64px; -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%); mask-image:radial-gradient(ellipse 70% 60% at 50% 0%, #000 30%, transparent 75%); opacity:.5; }

/* star row */
.stars{ display:inline-flex; gap:3px; color:var(--star); }

/* ---------- Reveal (capture-safe: visible unless JS active) ---------- */
.reveal{ transition:opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1); }
body.js-anim .reveal{ opacity:0; transform:translateY(28px); }
body.js-anim .reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  body.js-anim .reveal{ opacity:1 !important; transform:none !important; }
}

/* float loop */
@keyframes floaty{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-12px); } }
@keyframes floaty2{ 0%,100%{ transform:translateY(0) rotate(-3deg); } 50%{ transform:translateY(-10px) rotate(-3deg); } }
@keyframes drift{ 0%,100%{ transform:translate(0,0); } 50%{ transform:translate(24px,-20px); } }
@keyframes pulse-ring{ 0%{ box-shadow:0 0 0 0 rgba(37,211,102,.45);} 70%{ box-shadow:0 0 0 16px rgba(37,211,102,0);} 100%{ box-shadow:0 0 0 0 rgba(37,211,102,0);} }
.float{ animation:floaty 6s ease-in-out infinite; }
.float-2{ animation:floaty2 7s ease-in-out infinite; }

/* marquee */
@keyframes marq{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }
.marquee{ display:flex; gap:56px; width:max-content; animation:marq 28s linear infinite; }
.marquee-mask{ -webkit-mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image:linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); overflow:hidden; }

/* ---------- Header ---------- */
.hdr{ position:sticky; top:0; z-index:60; transition:background .3s, border-color .3s, backdrop-filter .3s; border-bottom:1px solid transparent; }
.hdr.scrolled{ background:rgba(7,10,20,.78); backdrop-filter:blur(14px); border-bottom-color:var(--line); }
.hdr-row{ display:flex; align-items:center; justify-content:space-between; height:74px; }
.nav{ display:flex; align-items:center; gap:34px; }
.nav a{ font-size:14.5px; color:var(--fg-muted); font-weight:500; transition:color .25s; }
.nav a:hover{ color:var(--fg); }
.nav-toggle{ display:none; background:transparent; border:0; color:var(--fg); cursor:pointer; padding:8px; }
.mobile-panel{ background:var(--bg-2); border-top:1px solid var(--line); padding:14px 24px 22px; }
.mobile-panel a{ display:block; padding:12px 0; color:var(--fg); border-bottom:1px solid var(--line); font-size:16px; }

/* ---------- WhatsApp FAB ---------- */
.fab{ position:fixed; right:22px; bottom:22px; z-index:80; width:58px; height:58px; border-radius:9999px; background:var(--wa); display:flex; align-items:center; justify-content:center; box-shadow:0 14px 30px -8px rgba(37,211,102,.55); animation:pulse-ring 2.6s infinite; transition:transform .25s; }
.fab:hover{ transform:scale(1.07); }

/* ---------- Stat figure ---------- */
.stat-num{ font-family:var(--serif); font-weight:800; font-size:clamp(34px,4.2vw,52px); line-height:1; background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent; letter-spacing:-.03em; white-space:nowrap; }

/* ---------- FAQ ---------- */
.faq-item{ border:1px solid var(--line); border-radius:16px; background:var(--surface); overflow:hidden; transition:border-color .3s, background .3s; }
.faq-item.open{ border-color:rgba(145,69,230,.4); }
.faq-q{ width:100%; text-align:left; background:transparent; border:0; color:var(--fg); cursor:pointer; padding:22px 24px; display:flex; align-items:center; justify-content:space-between; gap:16px; font-family:var(--serif); font-weight:700; font-size:17px; letter-spacing:-.01em; }
.faq-ic{ flex:0 0 auto; width:30px; height:30px; border-radius:9999px; border:1px solid var(--line-2); display:flex; align-items:center; justify-content:center; transition:transform .3s, background .3s, border-color .3s; }
.faq-item.open .faq-ic{ transform:rotate(45deg); background:var(--grad); border-color:transparent; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .4s ease; }
.faq-a .inner{ padding:0 24px 22px; color:var(--fg-muted); font-size:15px; line-height:1.65; }

/* ---------- Inputs ---------- */
.inp{ width:100%; height:50px; padding:0 16px; border-radius:12px; background:rgba(255,255,255,.04); border:1px solid var(--line-2); color:var(--fg); font-family:var(--sans); font-size:15px; outline:none; transition:border-color .25s, box-shadow .25s; }
.inp::placeholder{ color:var(--fg-dim); }
.inp:focus{ border-color:var(--accent-bright); box-shadow:0 0 0 3px rgba(145,69,230,.18); }
textarea.inp{ height:auto; padding:14px 16px; resize:vertical; min-height:96px; }

/* ---------- Browser frame ---------- */
.browser{ border-radius:14px; overflow:hidden; border:1px solid var(--line-2); background:#0b1322; box-shadow:0 30px 60px -24px rgba(0,0,0,.7); }
.browser-bar{ background:#0f1830; padding:9px 13px; display:flex; align-items:center; gap:8px; }
.browser-dot{ width:9px; height:9px; border-radius:9999px; }

/* ---------- Grids ---------- */
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
.grid-services{ display:grid; grid-template-columns:repeat(2,1fr); gap:22px; }
.grid-stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.grid-portfolio{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.grid-reviews{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }

@media (max-width:980px){
  .grid-2{ grid-template-columns:1fr; gap:40px; }
  .grid-stats{ grid-template-columns:repeat(2,1fr); }
  .grid-portfolio{ grid-template-columns:repeat(2,1fr); }
  .grid-reviews{ grid-template-columns:1fr; }
  .nav, .hdr .btn{ display:none; }
  .nav-toggle{ display:inline-flex; }
}
@media (max-width:620px){
  .section{ padding:64px 0; }
  .section-tight{ padding:48px 0; }
  .grid-services{ grid-template-columns:1fr; }
  .grid-portfolio{ grid-template-columns:1fr; }
  .grid-stats{ grid-template-columns:1fr 1fr; gap:14px; }
  .hide-sm{ display:none !important; }
  .wrap{ padding:0 18px; }
}
@media (max-width:480px){
  #topo .btn-lg{ width:100%; justify-content:center; }
  .display{ font-size:clamp(32px,8vw,40px) !important; }
}

/* ===== Hero animation enhancements ===== */
@keyframes glow-morph{
  0%,100%{ border-radius:40% 60% 70% 30% / 40% 50% 60% 50%; }
  25%    { border-radius:60% 40% 30% 70% / 60% 30% 70% 40%; }
  50%    { border-radius:30% 70% 60% 40% / 50% 60% 30% 60%; }
  75%    { border-radius:50% 50% 40% 60% / 40% 60% 50% 50%; }
}
@keyframes star-twinkle{
  0%,100%{ transform:scale(1); filter:brightness(1); }
  50%    { transform:scale(1.8); filter:brightness(2.5); }
}
body.js-anim #topo .grad-text{
  animation:grad-glow 4s ease-in-out 1.5s infinite;
}
@keyframes grad-glow{
  0%,100%{ filter:brightness(1); }
  50%    { filter:brightness(1.25); }
}

/* ===== Mobile nav enhancement ===== */
@media (max-width:980px){
  .mobile-panel{
    position:fixed; top:74px; left:0; right:0; bottom:0;
    background:var(--bg); z-index:50; padding:24px;
    overflow-y:auto; animation:panel-in .3s ease;
  }
  @keyframes panel-in{
    from{ opacity:0; transform:translateY(-12px); }
    to  { opacity:1; transform:none; }
  }
  .mobile-panel a{ font-size:17px; padding:15px 0; }
}

/* ===== Touch targets ===== */
.btn{ min-height:44px; }
.faq-q{ min-height:52px; }
@media (max-width:980px){
  .nav-toggle{ min-width:44px; min-height:44px; }
}

/* ================================================================
   LIGHT THEME
   ================================================================ */
[data-theme="light"]{
  --bg:        #F4F5FF;
  --bg-2:      #ECEFFE;
  --surface:   #FFFFFF;
  --surface-2: #F0F2FF;
  --line:      rgba(100,108,160,.12);
  --line-2:    rgba(100,108,160,.22);

  --fg:        #0C1228;
  --fg-muted:  #475080;
  --fg-dim:    #8892B8;

  --accent:        #7B2FD4;
  --accent-2:      #2B5CE6;
  --accent-bright: #6A1EC0;
  --grad:      linear-gradient(118deg,#7B2FD4 0%,#4A4AE8 52%,#2B5CE6 100%);
  --grad-soft: linear-gradient(118deg,rgba(123,47,212,.10),rgba(43,92,230,.10));
}

/* body */
[data-theme="light"] body{ background:var(--bg); color:var(--fg); }

/* header */
[data-theme="light"] .hdr.scrolled{
  background:rgba(244,245,255,.90); border-bottom-color:var(--line);
}
[data-theme="light"] .mobile-panel{
  background:var(--bg); border-top-color:var(--line);
}
[data-theme="light"] .mobile-panel a{ border-bottom-color:var(--line); }

/* buttons */
[data-theme="light"] .btn-ghost{
  background:rgba(0,0,0,.03); border-color:rgba(100,108,160,.24); color:var(--fg);
}
[data-theme="light"] .btn-ghost:hover{
  background:rgba(123,47,212,.08); border-color:rgba(123,47,212,.35);
}

/* cards */
[data-theme="light"] .card{
  box-shadow:0 2px 14px rgba(0,0,0,.07);
}
[data-theme="light"] .card-hover:hover{
  box-shadow:0 24px 50px -22px rgba(123,47,212,.20), 0 2px 14px rgba(0,0,0,.07);
}

/* chip / icon container */
[data-theme="light"] .chip{
  background:rgba(123,47,212,.08); border-color:rgba(123,47,212,.20);
}

/* tags */
[data-theme="light"] .tag{
  background:rgba(0,0,0,.04); border-color:rgba(100,108,160,.22); color:var(--fg-muted);
}
[data-theme="light"] .tag-accent{
  background:rgba(123,47,212,.08); border-color:rgba(123,47,212,.25); color:var(--accent-bright);
}

/* inputs */
[data-theme="light"] .inp{
  background:rgba(0,0,0,.03); border-color:rgba(100,108,160,.22); color:var(--fg);
}
[data-theme="light"] .inp::placeholder{ color:var(--fg-dim); }
[data-theme="light"] .inp:focus{
  border-color:var(--accent); box-shadow:0 0 0 3px rgba(123,47,212,.14);
}

/* glows (subtler on light) */
[data-theme="light"] .glow-purple{ background:rgba(123,47,212,.15); }
[data-theme="light"] .glow-blue  { background:rgba(43,92,230,.12); }

/* gridlines */
[data-theme="light"] .gridlines{
  background-image:
    linear-gradient(rgba(100,108,160,.12) 1px,transparent 1px),
    linear-gradient(90deg,rgba(100,108,160,.12) 1px,transparent 1px);
}

/* faq */
[data-theme="light"] .faq-item{ box-shadow:0 1px 8px rgba(0,0,0,.05); }

/* logo dual-mode */
.site-logo { filter: brightness(0) invert(1); } /* dark: white */
[data-theme="light"] .site-logo { filter: none; }  /* light: roxo original */

/* about badge — light mode fix */
[data-theme="light"] .about-badge{
  background: #fff !important;
  border-color: rgba(0,0,0,.09) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,.10) !important;
}
[data-theme="light"] .about-badge p{ color: var(--fg) !important; }
.logo-txt   { display:none; }
[data-theme="light"] .logo-img{ display:none !important; }
[data-theme="light"] .logo-txt{ display:inline !important; }

/* float chips in hero */
[data-theme="light"] .chip-float-card{
  background:rgba(244,245,255,.94) !important;
  border-color:rgba(100,108,160,.22) !important;
}

/* theme toggle button */
.theme-toggle{
  width:38px; height:38px; border-radius:10px;
  background:rgba(255,255,255,.06); border:1px solid var(--line-2);
  cursor:pointer; display:inline-flex; align-items:center; justify-content:center;
  color:var(--fg-muted); transition:border-color .25s,color .25s,background .25s;
  flex-shrink:0;
}
.theme-toggle:hover{ border-color:var(--accent-bright); color:var(--accent-bright); }
[data-theme="light"] .theme-toggle{ background:rgba(0,0,0,.04); }

/* WhatsApp card light mode */
[data-theme="light"] .wa-card{
  background: linear-gradient(160deg, rgba(37,211,102,.12), rgba(244,245,255,.9)) !important;
  border-color: rgba(37,211,102,.4) !important;
  color: var(--fg);
}
[data-theme="light"] .wa-card p,
[data-theme="light"] .wa-card span{ color: var(--fg); }

/* Contact section grid light */
[data-theme="light"] #contato .card{ color: var(--fg); }

/* eyebrow */
[data-theme="light"] .eyebrow::before{ opacity:.5; }

/* link-arrow */
[data-theme="light"] .link-arrow{ color:var(--accent); }