/* =========================================================
   FLUXUM ENERGIA — stylesheet
   Setor elétrico: marinho profundo (confiança) + teal (técnico)
   Equilíbrio ~60% escuro / 30% claro / 10% destaque
   ========================================================= */

:root {
  --navy-900:    #07121f;
  --navy:        #0A1628;
  --navy-700:    #0D2440;
  --navy-600:    #14365c;
  --electric:    #0EA5E9;
  --teal:        #14B8A6;
  --teal-400:    #2DD4BF;
  --teal-600:    #0EA5A0;
  --teal-700:    #0d8f8b;
  --whatsapp:    #25D366;
  --whatsapp-d:  #1ebe57;

  --ink:         #0c1a2b;
  --text:        #334155;
  --muted:       #647386;
  --line:        #E6ECF2;
  --bg:          #FFFFFF;
  --bg-soft:     #F4F8FB;

  --radius:      18px;
  --radius-sm:   11px;
  --shadow-sm:   0 1px 2px rgba(10,22,40,.06), 0 1px 3px rgba(10,22,40,.05);
  --shadow:      0 14px 34px -14px rgba(10,22,40,.22);
  --shadow-lg:   0 30px 70px -24px rgba(10,22,40,.38);

  --container:   1180px;
  --font:        'Source Sans 3', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  --display:     'Lexend', 'Source Sans 3', system-ui, sans-serif;
  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.65; font-size: 17px; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; font-family: var(--display); }
p { margin: 0 0 1rem; }
ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 24px; }

/* ---------- acessibilidade / polimento ---------- */
:focus-visible { outline: 2px solid var(--teal-600); outline-offset: 3px; border-radius: 6px; }
/* sobre fundos escuros, anel mais claro para manter contraste */
.hero :focus-visible, .trust-band :focus-visible, .section-contact :focus-visible,
.cta-band :focus-visible, .site-footer :focus-visible, .seg-card :focus-visible,
.modal :focus-visible { outline-color: #5ff0df; }
/* âncoras não ficam escondidas sob o header fixo ao navegar pelo menu */
:where(#top, main section[id]) { scroll-margin-top: 92px; }
.btn, .tab, .nav-toggle, .modal-close, [data-open-modal] { cursor: pointer; }
/* quebra de linha equilibrada em títulos (toque profissional) */
h1, h2, h3 { text-wrap: balance; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  font-weight: 600; font-size: 1rem; line-height: 1; padding: .9rem 1.5rem;
  border-radius: 999px; border: 1.5px solid transparent; cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-lg { padding: 1.05rem 1.9rem; font-size: 1.05rem; }
.btn-block { width: 100%; }

.btn-primary { background: linear-gradient(135deg, var(--teal-400), var(--teal-600)); color: #04221f; box-shadow: 0 12px 26px -12px rgba(20,184,166,.7); }
.btn-primary:hover { box-shadow: 0 16px 30px -10px rgba(20,184,166,.8); transform: translateY(-2px); }

.btn-whatsapp { background: var(--whatsapp); color: #04331a; box-shadow: 0 10px 24px -12px rgba(37,211,102,.8); }
.btn-whatsapp:hover { background: var(--whatsapp-d); box-shadow: 0 14px 28px -10px rgba(37,211,102,.85); transform: translateY(-2px); }

.btn-glass { background: rgba(255,255,255,.07); color: #eaf6ff; border-color: rgba(255,255,255,.28); backdrop-filter: blur(6px); }
.btn-glass:hover { background: rgba(255,255,255,.15); border-color: rgba(255,255,255,.55); }

.btn-white { background: #fff; color: var(--navy); box-shadow: 0 14px 30px -14px rgba(0,0,0,.45); }
.btn-white:hover { background: #eef5fb; transform: translateY(-2px); box-shadow: 0 18px 34px -14px rgba(0,0,0,.5); }

.btn-outline { background: #fff; color: var(--teal-700); border-color: rgba(20,184,166,.5); }
.btn-outline:hover { background: #effbf9; border-color: var(--teal); transform: translateY(-2px); box-shadow: var(--shadow-sm); }

.section-cta { text-align: center; margin-top: 46px; }

/* ---------- header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  background: transparent; border-bottom: 1px solid transparent;
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 78px; }

.logo { display: inline-flex; align-items: center; gap: .7rem; }
.logo-mark { flex: none; border-radius: 11px; box-shadow: 0 8px 18px -8px rgba(20,184,166,.6); }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-name { font-family: var(--display); font-weight: 800; font-size: 1.2rem; letter-spacing: .01em; color: #fff; transition: color .3s; }
.logo-sub  { font-weight: 600; font-size: .68rem; letter-spacing: .34em; color: var(--teal-400); margin-top: 3px; }

/* Marca "F" (recorte da logo) + texto FLUXUM ENERGIA */
.logo-f { height: 46px; width: auto; display: block; transition: filter .25s ease; }
/* Sobre o hero escuro (header ainda não rolado): "F" em branco */
.site-header:not(.scrolled) .logo-f { filter: brightness(0) invert(1); }
/* No rodapé escuro: "F" em branco */
.site-footer .logo-f { filter: brightness(0) invert(1); }

.main-nav { margin-left: auto; }
.nav-menu { display: flex; align-items: center; gap: .25rem; }
.nav-menu a { display: inline-block; padding: .5rem .85rem; border-radius: 9px; font-weight: 500; color: rgba(233,243,252,.85); font-size: .96rem; transition: color .15s, background .15s; }
.nav-menu a:hover { color: #fff; background: rgba(255,255,255,.1); }

.header-cta { padding: .72rem 1.25rem; font-size: .94rem; }

.nav-toggle { display: none; flex-direction: column; gap: 5px; justify-content: center; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,.3); border-radius: 11px; background: rgba(255,255,255,.08); cursor: pointer; padding: 0; }
.nav-toggle span { width: 20px; height: 2px; background: #fff; border-radius: 2px; margin-inline: auto; transition: .25s; }
.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); }

.site-header.scrolled { background: rgba(255,255,255,.88); backdrop-filter: saturate(180%) blur(14px); border-bottom-color: var(--line); box-shadow: 0 6px 22px -16px rgba(10,22,40,.5); }
.site-header.scrolled .logo-name { color: var(--navy); }
.site-header.scrolled .nav-menu a { color: var(--text); }
.site-header.scrolled .nav-menu a:hover { color: var(--navy); background: var(--bg-soft); }
.site-header.scrolled .nav-toggle { border-color: var(--line); background: #fff; }
.site-header.scrolled .nav-toggle span { background: var(--navy); }

/* ---------- section heads ---------- */
.eyebrow { display: inline-block; font-weight: 700; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--teal-400); margin-bottom: 1rem; }
.eyebrow-dark { color: var(--teal-700); }

.section { padding: 100px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 740px; margin: 0 auto 62px; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 3.6vw, 2.6rem); }
.section-lead { color: var(--muted); font-size: 1.12rem; margin: 0; }

/* ======================= HERO ======================= */
.hero {
  position: relative; overflow: hidden; isolation: isolate; min-height: 780px; display: flex; align-items: center;
  background:
    radial-gradient(900px 540px at 80% 6%, rgba(45,212,191,.16), transparent 60%),
    radial-gradient(700px 420px at 12% 90%, rgba(14,165,233,.12), transparent 60%),
    linear-gradient(160deg, #0b223e 0%, var(--navy) 55%, var(--navy-900) 100%);
}
.hero-scene { position: absolute; inset: 0; z-index: -2; }
.hero-scene > svg { display: none; } /* cena antiga (fallback oculto); 3D assume via canvas */
.hero-canvas { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.hero-canvas canvas { display: block; width: 100% !important; height: 100% !important; }

.hero-grid {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(rgba(94,240,223,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(94,240,223,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  z-index: 1;
  -webkit-mask-image: radial-gradient(120% 80% at 70% 12%, #000 30%, transparent 72%);
  mask-image: radial-gradient(120% 80% at 70% 12%, #000 30%, transparent 72%);
}
.hero-overlay {
  position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(95deg, rgba(7,18,31,.97) 0%, rgba(7,18,31,.92) 36%, rgba(7,18,31,.58) 56%, rgba(7,18,31,.12) 78%, transparent 100%),
              linear-gradient(0deg, rgba(7,18,31,.92) 0%, rgba(7,18,31,.25) 28%, transparent 46%);
}

.hero-inner { padding: 132px 24px 92px; width: 100%; }
.hero-copy { max-width: 660px; }

.badge { display: inline-flex; align-items: center; gap: .55rem; padding: .5rem 1rem; border-radius: 999px; background: rgba(45,212,191,.1); border: 1px solid rgba(45,212,191,.3); color: #9defe1; font-weight: 600; font-size: .82rem; letter-spacing: .04em; margin-bottom: 1.6rem; }
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--teal-400); box-shadow: 0 0 0 0 rgba(45,212,191,.6); animation: ping 2.4s var(--ease) infinite; }
@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(45,212,191,.5); } 70% { box-shadow: 0 0 0 8px rgba(45,212,191,0); } 100% { box-shadow: 0 0 0 0 rgba(45,212,191,0); } }

/* ---- hero entrance (staggered) ---- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }
@keyframes sceneIn { from { opacity: 0; transform: scale(1.04); } to { opacity: 1; transform: none; } }
.hero-scene { animation: sceneIn 1.4s var(--ease) both; }
.hero-copy > * { animation: fadeUp .7s var(--ease) both; }
.hero-copy > .badge { animation-delay: .05s; }
.hero-copy > h1 { animation-delay: .16s; }
.hero-copy > .hero-sub { animation-delay: .3s; }
.hero-copy > .hero-actions { animation-delay: .44s; }
.hero-copy > .hero-trust { animation-delay: .58s; }

.hero-copy h1 { font-size: clamp(2.3rem, 5vw, 3.7rem); color: #fff; margin-bottom: .55em; line-height: 1.08; font-weight: 800; }
.hero-copy h1 .grad { background: linear-gradient(100deg, #5ff0df, #2DD4BF 50%, #38bdf8); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: 1.2rem; color: #c4d6e8; max-width: 580px; margin-bottom: 2.2rem; }
.hero-sub strong { color: #eaf6ff; font-weight: 700; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 2.6rem; }

.hero-trust { display: flex; flex-wrap: wrap; gap: 14px 40px; padding-top: 1.7rem; border-top: 1px solid rgba(255,255,255,.12); }
.hero-trust li { display: flex; flex-direction: column; }
.hero-trust strong { font-family: var(--display); font-size: 1.55rem; font-weight: 800; color: #fff; letter-spacing: -.02em; line-height: 1.1; font-variant-numeric: tabular-nums; }
.hero-trust span { font-size: .9rem; color: #8fa9c2; margin-top: 2px; }

/* ======================= PROVA DE CONFIANÇA ======================= */
.trust-band { background: var(--navy-900); border-top: 1px solid rgba(255,255,255,.06); }
.trust-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; padding-block: 34px; }
.trust-item { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; transition: border-color .2s var(--ease), transform .2s var(--ease); }
.trust-item:hover { border-color: rgba(45,212,191,.35); transform: translateY(-2px); }
.trust-ic { flex: none; width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; color: var(--teal-400); background: rgba(45,212,191,.1); border: 1px solid rgba(45,212,191,.22); }
.trust-item strong { display: block; color: #fff; font-family: var(--display); font-weight: 700; font-size: 1rem; }
.trust-item span { display: block; color: #8fa9c2; font-size: .86rem; line-height: 1.4; margin-top: 2px; }

/* ======================= SOLUTIONS ======================= */
.solucoes-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.sol-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s; }
.sol-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(20,184,166,.45); }

.sol-banner {
  position: relative; height: 170px; display: grid; place-items: center; overflow: hidden;
  background: linear-gradient(150deg, #0e2a4c 0%, var(--navy) 55%, var(--navy-900) 100%);
}
/* circuit dot-grid texture */
.sol-banner::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(94,240,223,.22) 1px, transparent 1.4px);
  background-size: 18px 18px;
  -webkit-mask-image: radial-gradient(120% 100% at 70% 30%, #000 35%, transparent 80%);
  mask-image: radial-gradient(120% 100% at 70% 30%, #000 35%, transparent 80%);
  opacity: .7;
}
/* teal glow */
.sol-banner::after {
  content: ""; position: absolute; width: 220px; height: 220px; border-radius: 50%; top: -70px; right: -50px;
  background: radial-gradient(circle, rgba(45,212,191,.35), transparent 65%);
}
.sol-index {
  position: absolute; top: 16px; left: 20px; z-index: 2;
  font-family: var(--display); font-weight: 800; font-size: 1.05rem; letter-spacing: .04em; color: rgba(255,255,255,.22);
}
.sol-glyph {
  position: relative; z-index: 2; width: 60px; height: 60px; color: #6ff3e3;
  filter: drop-shadow(0 6px 16px rgba(45,212,191,.45));
  transition: transform .3s var(--ease);
}
.sol-card:hover .sol-glyph { transform: scale(1.08) translateY(-2px); }
/* thin gradient divider under banner */
.sol-banner { border-bottom: 2px solid transparent; }
.sol-card::after { content: ""; display: block; height: 3px; background: linear-gradient(90deg, var(--teal-400), var(--electric)); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.sol-card:hover::after { transform: scaleX(1); }

.sol-body { padding: 28px; }
.sol-card h3 { font-size: 1.22rem; margin-bottom: .5rem; }
.sol-card p { color: var(--muted); margin: 0; }

/* ======================= service cards ======================= */
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 38px 32px; box-shadow: var(--shadow-sm); overflow: hidden; transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, var(--teal-400), var(--teal-600)); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease); }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: rgba(20,184,166,.45); }
.card:hover::before { transform: scaleX(1); }
.card-icon { width: 60px; height: 60px; border-radius: 15px; margin-bottom: 24px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--teal) 0%, var(--teal-600) 100%); box-shadow: 0 10px 20px -8px rgba(20,184,166,.7); }
.card h3 { font-size: 1.26rem; margin-bottom: .55rem; }
.card p { color: var(--muted); margin: 0 0 1.1rem; }
.card-tag { display: inline-block; font-size: .76rem; font-weight: 600; color: var(--teal-700); background: #e9faf7; border: 1px solid #cdeeea; padding: .3rem .7rem; border-radius: 999px; letter-spacing: .02em; }

/* ======================= segmentos ======================= */
.seg-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.seg-card { background: linear-gradient(160deg, #0d2440, var(--navy)); color: #cfe0f0; border-radius: var(--radius); padding: 32px 26px; border: 1px solid rgba(255,255,255,.07); box-shadow: var(--shadow); transition: transform .25s var(--ease), border-color .25s; }
.seg-card:hover { transform: translateY(-5px); border-color: rgba(45,212,191,.4); }
.seg-ic { width: 56px; height: 56px; border-radius: 15px; display: grid; place-items: center; color: var(--teal-400); background: rgba(45,212,191,.12); border: 1px solid rgba(45,212,191,.25); margin-bottom: 20px; }
.seg-card h3 { color: #fff; font-size: 1.22rem; margin-bottom: .5rem; }
.seg-card p { color: #9fb6cf; margin: 0; font-size: .98rem; }

/* ======================= values ======================= */
.values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.value-icon { width: 56px; height: 56px; border-radius: 15px; margin-bottom: 18px; display: grid; place-items: center; color: var(--teal-600); background: linear-gradient(135deg, #effdfb, #e0f7f3); border: 1px solid #cdeeea; box-shadow: var(--shadow-sm); }
.value h3 { font-size: 1.14rem; margin-bottom: .4rem; }
.value p { color: var(--muted); font-size: .98rem; margin: 0; }

/* ======================= steps ======================= */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; position: relative; list-style: none; padding: 0; }
.step { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 40px 30px; text-align: center; box-shadow: var(--shadow-sm); }
.step-num { width: 58px; height: 58px; margin: 0 auto 20px; border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-weight: 800; font-size: 1.4rem; color: #fff; background: linear-gradient(135deg, var(--navy-700), var(--navy-900)); box-shadow: 0 12px 24px -10px rgba(10,22,40,.7); }
.step h3 { font-size: 1.2rem; }
.step p { color: var(--muted); margin: 0; }

/* ======================= CTA band ======================= */
.cta-band { background: linear-gradient(120deg, var(--navy) 0%, var(--navy-700) 60%, #0c5f6e 140%); position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; inset: 0; background: radial-gradient(600px 300px at 90% 50%, rgba(45,212,191,.2), transparent 60%); pointer-events: none; }
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-block: 64px; flex-wrap: wrap; }
.cta-inner h2 { color: #fff; font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: .4rem; }
.cta-inner p { color: #bcd3e6; margin: 0; max-width: 520px; }

/* ======================= contact ======================= */
.section-contact { position: relative; overflow: hidden; color: #cdd9e6; background: radial-gradient(700px 400px at 85% 0%, rgba(45,212,191,.14), transparent 60%), linear-gradient(180deg, var(--navy) 0%, var(--navy-900) 100%); }
.section-contact .eyebrow { color: #5fe3d4; }
.section-contact h2 { color: #fff; font-size: clamp(1.9rem, 3.6vw, 2.5rem); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-copy > p { color: #a7bace; max-width: 460px; }

.contact-list { margin: 28px 0 32px; display: grid; gap: 16px; }
.contact-list li { display: flex; align-items: center; gap: 14px; color: #cdd9e6; }
.contact-list svg { color: var(--teal-400); flex: none; }
.contact-list strong { display: block; font-size: .78rem; color: #7f97ad; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
.contact-list span { font-size: 1.05rem; color: #eaf1f8; }

.contact-form { background: #fff; border-radius: 22px; padding: 38px 34px; box-shadow: var(--shadow-lg); color: var(--text); }
.contact-form h3 { font-size: 1.32rem; margin-bottom: 1.4rem; }
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: .4rem; }
.field input, .field textarea, .field select { width: 100%; font-family: inherit; font-size: 1rem; color: var(--ink); padding: .9rem 1rem; border: 1.5px solid var(--line); border-radius: var(--radius-sm); background: #fff; transition: border-color .15s, box-shadow .15s; }
.field input::placeholder, .field textarea::placeholder { color: #9aa7b5; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(20,184,166,.15); }
.field textarea { resize: vertical; }
.form-privacy { margin: .85rem 0 0; font-size: .82rem; color: var(--muted); text-align: center; }
.form-note { margin: .6rem 0 0; font-size: .92rem; text-align: center; min-height: 1.2em; font-weight: 500; }
.form-note.error { color: #dc2626; }
.form-note.ok { color: var(--teal-700); }

/* ======================= footer ======================= */
.site-footer { background: var(--navy-900); color: #9fb4c9; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr 1fr; gap: 40px; padding: 66px 24px 48px; }
.footer-brand .logo-name { color: #fff; }
.footer-brand p { margin-top: 1rem; max-width: 320px; color: #8ba2b8; font-size: .96rem; }
.footer-col h4 { color: #fff; font-size: .95rem; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1.1rem; font-family: var(--display); }
.footer-col ul { display: grid; gap: .65rem; }
.footer-col a:hover { color: var(--teal-400); }
.footer-col li { font-size: .96rem; }

.social { display: flex; gap: 12px; }
.social a { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: var(--navy-700); color: #cdd9e6; transition: background .15s, color .15s, transform .15s; }
.social a:hover { background: var(--teal); color: #04221f; transform: translateY(-2px); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); }
.footer-bottom .container { padding-block: 22px; }
.footer-bottom p { margin: 0; font-size: .88rem; color: #6f87a0; }

/* ======================= floating whatsapp ======================= */
.whatsapp-float { position: fixed; right: 22px; bottom: 22px; z-index: 200; width: 60px; height: 60px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--whatsapp); box-shadow: 0 12px 28px -8px rgba(37,211,102,.7); transition: transform .2s var(--ease); animation: wa-pulse 2.8s ease-out infinite; }
.whatsapp-float:hover { transform: scale(1.08); }
@keyframes wa-pulse {
  0%   { box-shadow: 0 12px 28px -8px rgba(37,211,102,.7), 0 0 0 0 rgba(37,211,102,.4); }
  70%  { box-shadow: 0 12px 28px -8px rgba(37,211,102,.7), 0 0 0 15px rgba(37,211,102,0); }
  100% { box-shadow: 0 12px 28px -8px rgba(37,211,102,.7), 0 0 0 0 rgba(37,211,102,0); }
}

/* ======================= MODAL (janela Projetos) ======================= */
.modal { position: fixed; inset: 0; z-index: 300; display: none; }
.modal.open { display: block; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5,13,24,.72); -webkit-backdrop-filter: blur(5px); backdrop-filter: blur(5px); animation: mfade .25s ease; }
@keyframes mfade { from { opacity: 0; } to { opacity: 1; } }
.modal-dialog {
  position: relative; z-index: 1; width: min(960px, calc(100% - 32px)); max-height: calc(100vh - 56px);
  margin: 28px auto; background: #fff; border-radius: 22px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; overflow: hidden; animation: modalIn .32s var(--ease);
}
@keyframes modalIn { from { opacity: 0; transform: translateY(22px) scale(.98); } to { opacity: 1; transform: none; } }

.modal-close { position: absolute; top: 16px; right: 18px; z-index: 3; width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; color: var(--muted); cursor: pointer; transition: .15s; }
.modal-close:hover { background: var(--bg-soft); color: var(--ink); transform: rotate(90deg); }

.modal-head { padding: 30px 34px 0; }
.modal-head .eyebrow { margin-bottom: .5rem; }
.modal-head h2 { font-size: clamp(1.4rem, 2.6vw, 1.85rem); }

.modal-tabs { display: flex; gap: 4px; padding: 16px 34px 0; border-bottom: 1px solid var(--line); }
.tab { appearance: none; border: none; background: none; font-family: var(--display); font-weight: 700; font-size: 1rem; color: var(--muted); padding: 12px 18px; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px; transition: color .15s, border-color .15s; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--teal-700); border-bottom-color: var(--teal); }

.modal-body { padding: 26px 34px 32px; overflow-y: auto; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeUp .4s var(--ease); }
.panel-intro { color: var(--text); font-size: 1.05rem; max-width: 680px; margin-bottom: 1.6rem; }

.consult-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 32px; margin-bottom: 1.8rem; }
.consult-item { display: flex; gap: 12px; font-size: .98rem; color: var(--muted); }
.consult-item strong { color: var(--ink); font-weight: 700; }
.ci-ic { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: #e9faf7; color: var(--teal-700); font-weight: 800; font-size: .85rem; border: 1px solid #cdeeea; }

.proj-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.proj-card { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #fff; transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s; }
.proj-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(20,184,166,.4); }
.proj-thumb { display: block; background: #eef4fa; border-bottom: 1px solid var(--line); }
.proj-thumb svg { width: 100%; height: auto; display: block; }
.proj-info { padding: 14px 16px 16px; }
.proj-info h4 { font-size: 1.02rem; margin-bottom: .25rem; }
.proj-info p { font-size: .85rem; color: var(--muted); margin: 0; line-height: 1.45; }
.proj-disclaimer { margin: 1.6rem 0 0; font-size: .82rem; color: var(--muted); font-style: italic; }

/* ======================= reveal ======================= */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s var(--ease), transform .55s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1000px) {
  .hero { min-height: 0; }
  .trust-inner { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .solucoes-grid { grid-template-columns: 1fr; max-width: 460px; margin-inline: auto; }
  .seg-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-inner { grid-template-columns: 1fr; gap: 40px; }
  .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .consult-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Menu colapsa em hambúrguer mais cedo para não ficar apertado */
@media (max-width: 960px) {
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav { margin-left: auto; position: relative; }
  .nav-menu { position: absolute; right: 0; top: calc(100% + 14px); flex-direction: column; align-items: stretch; gap: 2px; background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 10px; min-width: 224px; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(-8px); transition: .2s; }
  .nav-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-menu a { padding: .72rem .9rem; color: var(--text); }
  .nav-menu a:hover { background: var(--bg-soft); color: var(--navy); }
}

@media (max-width: 780px) {
  body { font-size: 16px; }
  .section { padding: 76px 0; }
  .section-head { margin-bottom: 46px; }
  .hero-inner { padding-top: 116px; padding-bottom: 70px; }

  .logo-f { height: 40px; }

  .cards-grid, .steps { grid-template-columns: 1fr; }

  .proj-grid { grid-template-columns: repeat(2, 1fr); }
  .modal-head { padding: 26px 22px 0; }
  .modal-tabs { padding: 14px 22px 0; }
  .modal-body { padding: 22px 22px 26px; }
  .tab { padding: 12px 12px; font-size: .94rem; }
}

@media (max-width: 480px) {
  .proj-grid { grid-template-columns: 1fr 1fr; }
  .seg-grid { grid-template-columns: 1fr; }
  .container { padding-inline: 18px; }
  .trust-inner, .values-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 18px 28px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}