/* =====================================================
   SENTTINEL — style.css
   Design source: Senttinel Landing Page.html
   ===================================================== */

:root{
  --green: #22C55E;
  --green-l: #86EFAC;
  --green-d: #16A34A;
  --green-glow: rgba(34,197,94,.35);
  --black: #0A0F0A;
  --graphite: #0F1A16;
  --graphite-2: #131F19;
  --line: rgba(134,239,172,.14);
  --line-strong: rgba(134,239,172,.28);
  --text: #E7F3EC;
  --text-mute: #8FA69A;
  --text-dim: #5E6F66;
  --danger: #F97066;
  --amber: #FACC15;
}

*{ box-sizing: border-box; }
html, body{ margin: 0; padding: 0; }
body{
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--black);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection{ background: var(--green); color: #001006; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.mono{ font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace; }

/* ---------- NAV ---------- */
.nav{
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(10,15,10,.72);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  max-width: 1280px; margin: 0 auto;
  padding: 14px 32px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand{ display: flex; align-items: center; gap: 10px; }
.brand img{ width: 34px; height: 34px; }
.brand-name{ font-weight: 800; letter-spacing: .02em; font-size: 18px; }
.brand-tag{ font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--green); margin-left: 4px; }
.nav-links{ display: flex; gap: 28px; font-size: 14px; color: var(--text-mute); }
.nav-links a:hover{ color: var(--text); }
.nav-cta{
  background: var(--green); color: #001006;
  padding: 10px 16px; border-radius: 8px; font-weight: 700; font-size: 14px;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  box-shadow: 0 0 0 1px rgba(0,0,0,.2), 0 8px 24px -8px var(--green-glow);
}
.nav-cta:hover{ transform: translateY(-1px); background: #2bd96a; }
@media (max-width: 820px){ .nav-links{ display: none; } }

/* ---------- HERO ---------- */
.hero{
  position: relative;
  padding: 90px 32px 80px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before{
  content:''; position: absolute; inset: -20% -10% auto -10%; height: 120%;
  background:
    radial-gradient(700px 380px at 85% 10%, rgba(34,197,94,.18), transparent 60%),
    radial-gradient(600px 320px at 12% 80%, rgba(134,239,172,.08), transparent 60%);
  pointer-events: none;
}
.grid-bg{
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(134,239,172,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(134,239,172,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(1100px 500px at 60% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner{
  position: relative; max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center;
}
@media (max-width: 1020px){ .hero-inner{ grid-template-columns: 1fr; gap: 48px; } }

.eyebrow{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 12px; border-radius: 999px;
  background: rgba(34,197,94,.08);
  border: 1px solid rgba(34,197,94,.28);
  color: var(--green-l);
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  margin-bottom: 28px;
}
.eyebrow .dot{
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 4px rgba(34,197,94,.18);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ box-shadow: 0 0 0 4px rgba(34,197,94,.18); } 50%{ box-shadow: 0 0 0 8px rgba(34,197,94,.06); } }

h1.hero-h{
  font-size: clamp(44px, 6.2vw, 84px);
  line-height: 0.97;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin: 0 0 24px;
  text-wrap: balance;
}
h1.hero-h .slash{
  color: var(--green);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: .85em;
  vertical-align: baseline;
}
h1.hero-h em{
  font-style: normal;
  background: linear-gradient(180deg, #B9FBC7 0%, var(--green) 65%, var(--green-d) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub{
  font-size: 19px; line-height: 1.55; color: var(--text-mute);
  max-width: 600px; margin: 0 0 36px;
}
.hero-sub strong{ color: var(--text); font-weight: 600; }

.cta-row{ display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn-primary{
  position: relative;
  background: var(--green); color: #001006;
  padding: 18px 26px; border-radius: 10px;
  font-weight: 800; font-size: 16px; letter-spacing: .01em;
  display: inline-flex; align-items: center; gap: 10px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 20px 50px -20px var(--green-glow), inset 0 1px 0 rgba(255,255,255,.35);
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn-primary:hover{ transform: translateY(-2px); box-shadow: 0 0 0 1px rgba(255,255,255,.1), 0 28px 60px -18px var(--green-glow), inset 0 1px 0 rgba(255,255,255,.4); }
.btn-primary .arrow{ transition: transform .2s ease; }
.btn-primary:hover .arrow{ transform: translateX(3px); }

.btn-ghost{
  padding: 18px 22px; border-radius: 10px;
  border: 1px solid var(--line-strong);
  background: rgba(134,239,172,.02);
  color: var(--text); font-weight: 600; font-size: 15px;
  display: inline-flex; align-items: center; gap: 10px;
  transition: background .15s ease, border-color .15s ease;
}
.btn-ghost:hover{ background: rgba(134,239,172,.06); border-color: rgba(134,239,172,.38); }

.hero-meta{
  margin-top: 28px; display: flex; gap: 22px; flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim);
}
.hero-meta .ok{ color: var(--green); }

/* Terminal */
.terminal{
  background: linear-gradient(180deg, #0B1410, #080D0A);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  box-shadow:
    0 30px 80px -30px rgba(0,0,0,.8),
    0 0 0 1px rgba(0,0,0,.4),
    0 0 80px -20px rgba(34,197,94,.22);
  overflow: hidden;
  position: relative;
}
.terminal::after{
  content:''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(34,197,94,.04) 100%);
  pointer-events: none;
}
.term-head{
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: #060B08;
  border-bottom: 1px solid var(--line);
}
.term-dot{ width: 10px; height: 10px; border-radius: 50%; background: #2a3a30; }
.term-dot.r{ background: #3a1f1f; }
.term-dot.y{ background: #3a341f; }
.term-dot.g{ background: #1f3a24; }
.term-title{
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--text-dim); margin-left: 8px;
}
.term-env{
  margin-left: auto; font-family: 'JetBrains Mono', monospace; font-size: 11px;
  padding: 2px 8px; border-radius: 4px; color: var(--green-l);
  background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.25);
}
.term-body{
  padding: 20px 20px 22px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13.5px; line-height: 1.75;
  min-height: 360px;
}
.term-body .prompt{ color: var(--green); }
.term-body .dim{ color: var(--text-dim); }
.term-body .ok{ color: var(--green); }
.term-body .warn{ color: var(--amber); }
.term-body .err{ color: var(--danger); }
.term-body .label{ color: var(--green-l); }
.term-body .cursor{
  display: inline-block; width: 8px; height: 15px; background: var(--green);
  vertical-align: -2px; margin-left: 2px;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink{ 50%{ opacity: 0; } }

/* ---------- SECTIONS ---------- */
section{ padding: 110px 32px; position: relative; scroll-margin-top: 72px; }
header{ scroll-margin-top: 72px; }
.wrap{ max-width: 1280px; margin: 0 auto; }
.section-eyebrow{
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--green); letter-spacing: .08em; text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.section-eyebrow::before{ content:''; width: 28px; height: 2px; background: var(--green); }
.section-h{
  font-size: clamp(34px, 4.2vw, 56px); line-height: 1.05; letter-spacing: -0.028em;
  font-weight: 800; margin: 0 0 20px; text-wrap: balance;
}
.section-sub{ font-size: 18px; color: var(--text-mute); max-width: 680px; margin: 0 0 56px; line-height: 1.55; }

/* POC banner strip */
.poc-strip{
  background: var(--green);
  color: #001006;
  padding: 14px 32px;
  font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 600;
  display: flex; gap: 40px; justify-content: center; align-items: center; flex-wrap: wrap;
  border-bottom: 1px solid rgba(0,0,0,.1);
}
.poc-strip .pill{
  background: rgba(0,0,0,.12); padding: 4px 10px; border-radius: 4px; font-weight: 700;
}

/* Problem section */
.problem{ background: var(--graphite); border-bottom: 1px solid var(--line); }
.problem-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 900px){ .problem-grid{ grid-template-columns: 1fr; } }
.pain{
  padding: 32px; border-radius: 14px;
  background: linear-gradient(180deg, rgba(249,112,102,.04), transparent);
  border: 1px solid rgba(249,112,102,.18);
  position: relative; overflow: hidden;
}
.pain .num{
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--danger); letter-spacing: .06em;
}
.pain h3{ font-size: 22px; margin: 10px 0 12px; font-weight: 700; letter-spacing: -0.015em; }
.pain p{ color: var(--text-mute); line-height: 1.55; margin: 0; }
.pain .strike{
  margin-top: 20px; font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--green); display: flex; gap: 8px; align-items: center;
}
.pain .strike::before{
  content:'→'; color: var(--green);
}

/* How it works, vertical rail */
.how{ background: var(--black); }
.steps{ display: grid; grid-template-columns: 1fr; gap: 0; position: relative; margin-top: 20px; }
.step{
  display: grid; grid-template-columns: 110px 1fr 1fr; gap: 40px;
  padding: 40px 0; border-top: 1px solid var(--line);
  align-items: start;
}
.step:last-child{ border-bottom: 1px solid var(--line); }
.step-num{
  font-family: 'JetBrains Mono', monospace; font-size: 13px;
  color: var(--green); letter-spacing: .1em;
  display: flex; flex-direction: column; gap: 8px;
}
.step-num .big{
  font-size: 46px; font-weight: 700; color: var(--text); letter-spacing: -0.02em;
  font-family: 'Inter', sans-serif; line-height: 1;
}
.step h3{ font-size: 28px; margin: 0 0 12px; letter-spacing: -0.02em; font-weight: 700; }
.step p{ color: var(--text-mute); line-height: 1.55; margin: 0; font-size: 16px; }
.step-ev{
  border-left: 2px solid var(--green);
  padding: 4px 0 4px 18px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; color: var(--text-dim); line-height: 1.7;
}
.step-ev .k{ color: var(--green); }
@media (max-width: 900px){ .step{ grid-template-columns: 1fr; gap: 16px; } }

/* Features */
.features{ background: var(--graphite); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.feat-grid{ display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; grid-auto-rows: minmax(180px, auto); }
.feat{
  background: var(--black);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px;
  position: relative; overflow: hidden;
  transition: transform .2s ease, border-color .2s ease;
}
.feat:hover{ transform: translateY(-3px); border-color: var(--line-strong); }
.feat h3{
  font-size: 20px; margin: 16px 0 10px; font-weight: 700; letter-spacing: -0.015em;
  display: flex; align-items: center; gap: 10px;
}
.feat p{ color: var(--text-mute); line-height: 1.55; margin: 0; font-size: 14.5px; }
.feat .ico{
  width: 40px; height: 40px; border-radius: 10px;
  background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.28);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--green);
}

.feat.sp-3{ grid-column: span 3; }
.feat.sp-2{ grid-column: span 2; }
.feat.sp-4{ grid-column: span 4; }
.feat.sp-6{ grid-column: span 6; }
@media (max-width: 980px){
  .feat-grid{ grid-template-columns: 1fr; }
  .feat.sp-3, .feat.sp-2, .feat.sp-4, .feat.sp-6{ grid-column: span 1; }
}

.feat-hero{
  grid-column: span 6;
  background:
    radial-gradient(500px 220px at 80% 20%, rgba(34,197,94,.18), transparent 70%),
    linear-gradient(180deg, #0B1410, #060B08);
  border: 1px solid rgba(34,197,94,.25);
  padding: 40px;
}
.feat-hero h3{ font-size: 32px; letter-spacing: -0.025em; margin-bottom: 14px; }
.feat-hero p{ font-size: 16px; max-width: 640px; }

/* Impacto QA */
.impact{ background: var(--black); }
.impact-grid{ display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
@media (max-width: 900px){ .impact-grid{ grid-template-columns: 1fr; } }
.impact-card{
  background: var(--graphite);
  padding: 32px; position: relative;
  transition: background .2s ease;
}
.impact-card:hover{ background: var(--graphite-2); }
.impact-card .ki{
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px; color: var(--green); letter-spacing: .08em;
  margin-bottom: 16px; display: block;
}
.impact-card h4{
  font-size: 19px; margin: 0 0 10px; font-weight: 700;
  letter-spacing: -0.015em; line-height: 1.25;
}
.impact-card p{ color: var(--text-mute); line-height: 1.55; margin: 0; font-size: 14.5px; }

/* POC section */
.poc{
  background:
    radial-gradient(800px 400px at 85% 30%, rgba(34,197,94,.16), transparent 70%),
    radial-gradient(600px 380px at 10% 80%, rgba(134,239,172,.08), transparent 70%),
    linear-gradient(180deg, #08110C, #050805);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.poc::before{
  content:''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(134,239,172,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(134,239,172,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(900px 400px at 50% 50%, #000 30%, transparent 75%);
  pointer-events: none;
}
.poc-inner{ position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: start; }
@media (max-width: 1020px){ .poc-inner{ grid-template-columns: 1fr; gap: 48px; } }

.poc-badge{
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px; border-radius: 8px;
  background: var(--green); color: #001006;
  font-family: 'JetBrains Mono', monospace; font-weight: 700; font-size: 12px;
  letter-spacing: .08em;
  margin-bottom: 24px;
}
.poc h2{
  font-size: clamp(38px, 4.6vw, 64px); line-height: 1.02;
  letter-spacing: -0.03em; font-weight: 800; margin: 0 0 24px;
}
.poc h2 em{
  font-style: normal;
  background: linear-gradient(90deg, var(--green-l), var(--green));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.poc-sub{ font-size: 18px; color: var(--text-mute); line-height: 1.6; margin: 0 0 32px; }
.poc-list{ list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 16px; }
.poc-list li{ display: flex; gap: 14px; align-items: flex-start; font-size: 15.5px; line-height: 1.5; }
.poc-list .chk{
  width: 22px; height: 22px; border-radius: 6px; flex-shrink: 0;
  background: rgba(34,197,94,.15); border: 1px solid var(--green);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--green); margin-top: 1px;
}
.poc-list .t{ color: var(--text); font-weight: 600; }
.poc-list .d{ color: var(--text-mute); font-weight: 400; margin-left: 4px; }

/* Form card */
.form-card{
  background: linear-gradient(180deg, #0D1510, #080D0A);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  padding: 36px;
  box-shadow:
    0 40px 100px -40px rgba(0,0,0,.8),
    0 0 0 1px rgba(0,0,0,.4),
    0 0 100px -40px rgba(34,197,94,.25);
  position: relative;
}
.form-card::before{
  content:''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
}
.form-head{
  display: flex; justify-content: space-between; align-items: start;
  margin-bottom: 28px; gap: 20px;
}
.form-head h3{ font-size: 26px; margin: 0 0 6px; letter-spacing: -0.02em; font-weight: 700; }
.form-head p{ color: var(--text-mute); margin: 0; font-size: 14.5px; line-height: 1.5; }
.form-head .stamp{
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  color: var(--green); background: rgba(34,197,94,.1);
  border: 1px solid rgba(34,197,94,.28);
  padding: 4px 8px; border-radius: 4px; white-space: nowrap;
}

.field{ display: block; margin-bottom: 16px; }
.field label{
  display: block; font-size: 12px; font-weight: 600;
  color: var(--text-mute); margin-bottom: 8px;
  font-family: 'JetBrains Mono', monospace; letter-spacing: .04em; text-transform: uppercase;
}
.field label .req{ color: var(--green); }
.field input, .field select, .field textarea{
  width: 100%;
  background: rgba(0,0,0,.4);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(34,197,94,.15);
  background: rgba(0,0,0,.55);
}
.field textarea{ resize: vertical; min-height: 80px; }
.field .err-msg{
  color: var(--danger); font-size: 12px; margin-top: 6px;
  font-family: 'JetBrains Mono', monospace; display: none;
}
.field.error input, .field.error select{ border-color: var(--danger); }
.field.error .err-msg{ display: block; }

.grid-2{ display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 520px){ .grid-2{ grid-template-columns: 1fr; } }

.submit{
  width: 100%; margin-top: 8px;
  background: var(--green); color: #001006;
  padding: 16px 22px; border-radius: 10px;
  font-weight: 800; font-size: 15px; letter-spacing: .01em;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 16px 40px -16px var(--green-glow);
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.submit:hover{ transform: translateY(-1px); background: #2bd96a; }
.submit:disabled{ opacity: .6; cursor: not-allowed; transform: none; }

.form-fine{
  margin-top: 14px; text-align: center;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--text-dim);
}

.form-success{
  padding: 24px; border-radius: 12px;
  background: rgba(34,197,94,.08); border: 1px solid rgba(34,197,94,.35);
  text-align: center;
}
.form-success .big{
  width: 56px; height: 56px; margin: 0 auto 16px;
  border-radius: 50%; background: var(--green);
  display: flex; align-items: center; justify-content: center;
  color: #001006;
}
.form-success h4{ font-size: 22px; margin: 0 0 8px; letter-spacing: -0.02em; }
.form-success p{ color: var(--text-mute); margin: 0; line-height: 1.55; }
.form-success .next{
  margin-top: 18px; font-family: 'JetBrains Mono', monospace; font-size: 12px;
  color: var(--green); border-top: 1px dashed rgba(34,197,94,.3);
  padding-top: 14px; text-align: left;
}

/* FAQ */
.faq{ background: var(--graphite); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.faq-list{ max-width: 860px; margin: 0 auto; }
.faq-item{
  border-top: 1px solid var(--line);
  padding: 0;
}
.faq-item:last-child{ border-bottom: 1px solid var(--line); }
.faq-q{
  width: 100%; text-align: left;
  padding: 24px 0;
  font-size: 18px; font-weight: 600; letter-spacing: -0.01em;
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
  color: var(--text);
}
.faq-q .plus{
  width: 24px; height: 24px; border-radius: 50%;
  border: 1px solid var(--green);
  color: var(--green);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: transform .2s ease, background .2s ease;
  font-size: 16px; line-height: 1;
}
.faq-item.open .faq-q .plus{ background: var(--green); color: #001006; transform: rotate(45deg); }
.faq-a{
  max-height: 0; overflow: hidden;
  transition: max-height .3s ease;
  color: var(--text-mute); line-height: 1.65; font-size: 15.5px;
}
.faq-item.open .faq-a{ max-height: 400px; padding-bottom: 24px; }

/* Final CTA */
.final-cta{
  background: var(--green);
  color: #001006;
  text-align: center;
  padding: 90px 32px;
  position: relative; overflow: hidden;
}
.final-cta::before{
  content:''; position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(0,0,0,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}
.final-cta-inner{ position: relative; max-width: 860px; margin: 0 auto; }
.final-cta h2{
  font-size: clamp(40px, 5vw, 68px); line-height: 1.02; letter-spacing: -0.03em;
  font-weight: 900; margin: 0 0 20px; text-wrap: balance;
}
.final-cta p{ font-size: 18px; margin: 0 0 32px; color: #003013; font-weight: 500; }
.final-cta .cta-btn{
  background: #001006; color: var(--green);
  padding: 20px 32px; border-radius: 10px;
  font-weight: 800; font-size: 17px;
  display: inline-flex; gap: 10px; align-items: center;
  box-shadow: 0 20px 40px -20px rgba(0,0,0,.5);
  transition: transform .15s ease;
}
.final-cta .cta-btn:hover{ transform: translateY(-2px); }

/* Footer */
footer{
  background: var(--black); color: var(--text-mute);
  padding: 50px 32px 30px;
  border-top: 1px solid var(--line);
}
.foot-inner{ max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 24px; flex-wrap: wrap; }
.foot-inner .fb{ display: flex; align-items: center; gap: 10px; }
.foot-inner img{ width: 30px; height: 30px; }
.foot-inner .fname{ color: var(--text); font-weight: 700; }
.foot-meta{ font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--text-dim); }

/* Reveal */
.reveal{ opacity: 0; transform: translateY(20px); transition: opacity .6s ease, transform .6s ease; }
.reveal.on{ opacity: 1; transform: none; }

/* Icons inline */
.i{ width: 18px; height: 18px; stroke-width: 2; }

/* ==============================================
   RESPONSIVIDADE MOBILE
   ============================================== */

/* --- Hamburger --- */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px; height: 40px;
  padding: 8px;
  border-radius: 8px;
  flex-shrink: 0;
  transition: background .15s ease;
}
.nav-hamburger:hover { background: rgba(134,239,172,.06); }
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s ease, opacity .2s ease;
  transform-origin: center;
}
.nav.open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav.open .nav-hamburger span:nth-child(2) { opacity: 0; }
.nav.open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Mobile menu overlay --- */
.mobile-menu {
  position: fixed; inset: 0;
  z-index: 48;
  background: rgba(10,15,10,.97);
  backdrop-filter: blur(20px);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 32px;
  padding: 40px 24px;
  opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-size: 22px; font-weight: 700; color: var(--text-mute);
  transition: color .15s ease;
  text-align: center;
}
.mobile-menu a:hover, .mobile-menu a:focus { color: var(--text); }
.mobile-menu .mob-cta {
  background: var(--green); color: #001006 !important;
  padding: 16px 40px; border-radius: 10px;
  font-weight: 800; font-size: 17px; margin-top: 8px;
}

@media (max-width: 820px) {
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
}

/* --- 768px: Tablet / Large Mobile --- */
@media (max-width: 768px) {
  section { padding: 72px 20px; }
  .hero { padding: 64px 20px 56px; }
  .final-cta { padding: 64px 20px; }
  footer { padding: 40px 20px 24px; }
  .nav-inner { padding: 12px 20px; }
  .section-sub { font-size: 16px; margin-bottom: 40px; }
  .hero-sub { font-size: 17px; }
  .brand-tag { display: none; }
  .feat-hero { grid-column: span 1; }
}

/* --- 520px: Small Mobile --- */
@media (max-width: 520px) {
  .term-body { min-height: 220px; font-size: 12px; }
  .form-card { padding: 24px 20px; }
  .step-num .big { font-size: 32px; }
  .pain { padding: 24px 20px; }
  .pain h3 { font-size: 19px; }
  .impact-card { padding: 24px 20px; }
  .btn-primary { padding: 15px 20px; font-size: 15px; }
  .btn-ghost { padding: 15px 18px; font-size: 14px; }
  .faq-q { font-size: 16px; padding: 20px 0; }
  .poc-sub { font-size: 16px; }
  .feat-hero { padding: 28px; }
  .feat-hero h3 { font-size: 24px; }
  .form-head h3 { font-size: 22px; }
}

/* --- 390px: Extra Small (iPhone SE, Mini) --- */
@media (max-width: 390px) {
  section { padding: 56px 16px; }
  .hero { padding: 48px 16px 44px; }
  footer { padding: 32px 16px 20px; }
  .nav-inner { padding: 12px 16px; }
  .final-cta { padding: 52px 16px; }
  .final-cta .cta-btn { padding: 16px 24px; font-size: 15px; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .btn-primary, .btn-ghost { justify-content: center; }
  .hero-meta { gap: 12px; }
  .form-card { padding: 20px 16px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .eyebrow .dot{ animation: none; }
  .term-body .cursor{ animation: none; opacity: 1; }
  .reveal{ transition: none; opacity: 1; transform: none; }
}