/* ========== TOKENS ========== */
:root {
  --brand-900:#062018;
  --brand-800:#0b3d2e;
  --brand-700:#0f5a44;
  --brand-600:#127a5c;
  --brand-500:#149a72;
  --brand-400:#26b98d;
  --brand-300:#5fd3ae;
  --brand-50:#eafbf3;
  --accent:#f5b301;
  --danger:#d92d20;
  --whatsapp:#25d366;
  --ink-900:#0b1220;
  --ink-800:#1a2436;
  --ink-700:#2d3a4f;
  --ink-500:#546073;
  --ink-400:#7a8598;
  --ink-300:#b7bfcc;
  --ink-100:#e6ebf2;
  --ink-50:#f4f7fb;
  --bg:#ffffff;
  --bg-soft:#f6f9fb;
  --bg-dark:#0a1a15;
  --line:#e4e9ef;
  --line-dark:rgba(255,255,255,.09);
  --radius-sm:8px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(15,25,40,.06),0 2px 6px rgba(15,25,40,.05);
  --shadow:0 6px 18px rgba(15,25,40,.08),0 2px 6px rgba(15,25,40,.05);
  --shadow-lg:0 24px 60px -20px rgba(11,61,46,.35),0 6px 20px rgba(11,61,46,.12);
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);color:var(--ink-800);
  background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-800);color:#fff;padding:10px 14px;z-index:200;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ========== BUTTONS ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.75rem 1.15rem;border-radius:999px;border:1.5px solid transparent;
  font-weight:600;font-size:.95rem;letter-spacing:.01em;cursor:pointer;
  transition:transform .15s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;text-decoration:none;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:focus-visible{outline:3px solid rgba(20,154,114,.35);outline-offset:2px}
.btn-primary{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;box-shadow:0 8px 22px -8px rgba(15,90,68,.55)}
.btn-primary:hover{box-shadow:0 12px 26px -8px rgba(15,90,68,.7)}
.btn-whatsapp{background:var(--whatsapp);color:#0a2f18}
.btn-whatsapp:hover{background:#1fb958}
.btn-ghost{background:transparent;color:var(--brand-800);border-color:var(--brand-800)}
.btn-ghost:hover{background:var(--brand-800);color:#fff}
.btn-sm{padding:.55rem .95rem;font-size:.85rem}
.btn-lg{padding:.95rem 1.55rem;font-size:1rem}
.btn-block{display:flex;width:100%}

/* ========== HEADER ========== */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.9);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:1.5rem;height:72px}
.brand{display:inline-flex;align-items:center;gap:.6rem;color:var(--brand-800);font-weight:700;letter-spacing:.01em}
.brand:hover{text-decoration:none}
.brand-logo{display:block;height:44px;width:auto;max-width:230px;object-fit:contain}
.brand-footer{background:#fff;padding:12px;border-radius:14px;box-shadow:0 2px 10px rgba(0,0,0,.15);display:inline-block}
.brand-logo-footer{width:120px;height:120px;max-width:none;object-fit:contain;display:block}
@media (max-width:720px){
  .brand-logo{height:36px}
}

.nav-primary{display:flex;gap:1.3rem;margin-left:auto}
.nav-primary a{color:var(--ink-700);font-size:.92rem;font-weight:500;padding:.4rem 0;position:relative}
.nav-primary a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-primary a:hover{color:var(--brand-700);text-decoration:none}
.nav-primary a:hover::after{transform:scaleX(1)}

.header-actions{display:flex;align-items:center;gap:.75rem}
.header-phone{
  display:inline-flex;align-items:center;gap:.4rem;color:var(--ink-800);font-weight:600;font-size:.9rem;
  padding:.4rem .7rem;border-radius:8px;background:var(--ink-50);
}
.header-phone:hover{text-decoration:none;background:#eaf3ee;color:var(--brand-800)}

.nav-toggle{
  display:none;background:transparent;border:0;width:42px;height:42px;padding:8px;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:100%;background:var(--ink-800);margin:5px 0;border-radius:2px;transition:transform .2s, 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)}

.mobile-menu{display:none;flex-direction:column;padding:14px 20px 22px;border-top:1px solid var(--line);background:#fff;gap:.4rem}
.mobile-menu a{padding:.75rem .25rem;border-bottom:1px solid var(--line);color:var(--ink-800);font-weight:500}
.mobile-menu .btn{margin-top:.75rem}
.mobile-menu.open{display:flex}

/* ========== HERO ========== */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1000px 500px at 90% -20%,rgba(20,154,114,.14),transparent 60%),
    radial-gradient(700px 400px at -10% 10%,rgba(11,61,46,.12),transparent 60%),
    linear-gradient(180deg,#f5faf8 0%,#ffffff 60%);
  padding:64px 0 80px;
}
.hero-grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(11,61,46,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(11,61,46,.06) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse at center,#000 40%,transparent 75%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;font-size:.78rem;font-weight:600;
  color:var(--brand-700);background:var(--brand-50);border:1px solid rgba(20,154,114,.25);
  padding:.35rem .7rem;border-radius:999px;letter-spacing:.04em;text-transform:uppercase;
}
.eyebrow .dot{width:6px;height:6px;background:var(--brand-500);border-radius:50%;box-shadow:0 0 0 4px rgba(20,154,114,.15)}

.hero h1{
  font-size:clamp(2rem,4.4vw,3.4rem);line-height:1.05;letter-spacing:-.02em;
  color:var(--brand-900);margin:.9rem 0 1rem;font-weight:800;
}
.hero-lede{font-size:clamp(1.05rem,1.4vw,1.2rem);color:var(--ink-700);max-width:560px;margin:0 0 1.6rem}
.hero-ctas{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:1.5rem}
.hero-spec{
  display:flex;flex-wrap:wrap;align-items:center;gap:.75rem;
  background:#0a1a15;color:#e6f3ec;padding:.85rem 1rem;border-radius:14px;
  font-family:var(--mono);font-size:.92rem;box-shadow:var(--shadow);
  border:1px solid rgba(255,255,255,.05);
}
.spec-line{color:#eafbf3;font-weight:500}
.spec-pills{display:inline-flex;flex-wrap:wrap;gap:.4rem;margin-left:auto}
.pill{background:rgba(38,185,141,.15);color:#7ee0b8;border:1px solid rgba(38,185,141,.35);padding:.25rem .6rem;border-radius:999px;font-size:.8rem}
.hero-trust{list-style:none;padding:0;margin:1.4rem 0 0;display:flex;flex-wrap:wrap;gap:1rem 1.6rem;color:var(--ink-700);font-size:.92rem}
.hero-trust li{display:inline-flex;align-items:center;gap:.4rem}
.hero-trust svg{color:var(--brand-500)}

.hero-visual{position:relative}
.hero-figure{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,#f7fbf9,#eaf5ef);
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  padding:14px;
  display:flex;align-items:center;justify-content:center;
}
.hero-figure img{width:100%;height:auto;max-height:520px;object-fit:contain;display:block}

.flow-mini{
  display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:.6rem;align-items:center;
  margin-top:18px;background:#fff;padding:14px;border-radius:14px;border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.flow-step{text-align:center;padding:.6rem .4rem;border-radius:10px;background:var(--ink-50)}
.flow-step span{display:block;font-size:.7rem;color:var(--ink-500);letter-spacing:.08em;text-transform:uppercase}
.flow-step b{display:block;color:var(--brand-800);font-weight:700}
.flow-step-alt{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff}
.flow-step-alt span{color:rgba(255,255,255,.7)}
.flow-step-alt b{color:#fff}
.flow-arrow{height:2px;background:linear-gradient(90deg,var(--brand-300),var(--brand-500));position:relative}
.flow-arrow::after{content:"";position:absolute;right:-2px;top:50%;transform:translateY(-50%);border:5px solid transparent;border-left-color:var(--brand-500)}

/* ========== GENERAL SECTIONS ========== */
.section{padding:88px 0;position:relative}
.section-head{max-width:820px;margin:0 auto 48px}
.section-head.center{text-align:center;margin-inline:auto}
.section-tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.16em;
  color:var(--brand-600);text-transform:uppercase;margin-bottom:.75rem;
}
.section-tag.light{color:#8be0bd}
.section h2{
  font-size:clamp(1.7rem,3vw,2.5rem);line-height:1.15;letter-spacing:-.015em;
  color:var(--brand-900);margin:0 0 1rem;font-weight:800;
}
.section p{color:var(--ink-700);font-size:1.02rem}
.section-lede{font-size:1.08rem}

.section-figure{margin:48px 0 0;border-radius:var(--radius-lg);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);}
.section-figure img{width:100%;height:auto;object-fit:contain;background:#fff}

/* PWM WARNING */
.section-pwm{padding:56px 0 24px;background:#fff}
.pwm-card{
  display:grid;grid-template-columns:auto 1fr;gap:22px;
  padding:28px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#fff8e6 0%,#fff2d0 100%);
  border:1px solid rgba(245,179,1,.45);
  border-left:6px solid var(--accent);
  box-shadow:var(--shadow);
}
.pwm-badge{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,#f5b301,#e08a00);color:#241800;flex:none;
  box-shadow:0 8px 20px -8px rgba(224,138,0,.55);
}
.pwm-body h2{
  margin:0 0 .6rem;font-size:clamp(1.2rem,2.2vw,1.55rem);line-height:1.3;color:#3a2a00;
  font-weight:800;letter-spacing:-.005em;
}
.pwm-body p{margin:.5rem 0;color:#4a3800;font-size:1rem}
.pwm-conclusion{
  margin-top:1rem !important;padding:12px 16px;background:rgba(255,255,255,.7);
  border-radius:10px;border-left:3px solid var(--brand-600);color:var(--brand-900)!important;font-weight:600;
}
@media (max-width:720px){
  .pwm-card{grid-template-columns:1fr;padding:22px;gap:14px}
  .pwm-badge{width:48px;height:48px}
}

/* PROBLEM */
.section-problem{background:linear-gradient(180deg,#fff, #f5faf8)}
.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:12px}
.problem-card{
  background:#fff;padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.problem-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(20,154,114,.4)}
.problem-card-wide{grid-column:span 4;background:linear-gradient(135deg,var(--brand-800),var(--brand-600));color:#fff;border:0}
.problem-card-wide h3{color:#fff}
.problem-icon{
  width:52px;height:52px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-50);color:var(--brand-700);margin-bottom:14px;
}
.problem-card-wide .problem-icon{background:rgba(255,255,255,.14);color:#fff}
.problem-card h3{margin:0;font-size:1.02rem;color:var(--ink-900);line-height:1.35;font-weight:600}

/* SOLUTION */
.section-solution{background:#fff}
.solution-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.solution-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.solution-list li{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;
  padding:18px 20px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
}
.solution-list li span{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-800);color:#fff;font-family:var(--mono);font-weight:700;font-size:1.05rem;
}
.solution-list li p{margin:0;color:var(--ink-800);font-weight:500}
.solution-note{
  grid-column:1/-1;margin:6px 0 0;padding:12px 16px;border-radius:10px;
  background:rgba(245,179,1,.1);border-left:3px solid var(--accent);color:var(--ink-800);font-size:.95rem;
}
.solution-diagram{
  background:linear-gradient(160deg,#08201a 0%,#0b3d2e 100%);
  color:#fff;padding:26px;border-radius:var(--radius-lg);
  display:grid;grid-template-columns:1fr;gap:12px;box-shadow:var(--shadow-lg);
  position:relative;overflow:hidden;
}
.solution-diagram::before{
  content:"";position:absolute;inset:0;background:
    radial-gradient(400px 200px at 20% 10%,rgba(38,185,141,.25),transparent 65%);
  pointer-events:none;
}
.diag-node{background:rgba(255,255,255,.06);padding:14px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.08);position:relative}
.diag-node span{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#8be0bd}
.diag-node b{display:block;color:#fff;font-size:1.05rem;margin-top:2px}
.diag-primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-700));border-color:transparent}
.diag-primary span{color:rgba(255,255,255,.75)}
.diag-out{background:rgba(38,185,141,.2);border-color:rgba(38,185,141,.4)}
.diag-line{height:22px;width:2px;background:linear-gradient(180deg,var(--brand-300),transparent);margin:0 auto}

/* SPECS */
.section-specs{background:linear-gradient(180deg,#f5faf8,#fff)}
.specs-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:start}
.specs-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);border:1px solid var(--line);
}
.specs-table thead th{
  background:linear-gradient(135deg,var(--brand-800),var(--brand-600));
  color:#fff;text-align:left;padding:16px 20px;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;font-weight:600;
}
.specs-table tbody th, .specs-table tbody td{
  padding:16px 20px;border-top:1px solid var(--line);font-size:.98rem;color:var(--ink-800);vertical-align:middle;text-align:left;
}
.specs-table tbody th{font-weight:600;color:var(--ink-900);width:52%}
.specs-table tbody tr:nth-child(even){background:#fafcfa}
.specs-highlight{background:linear-gradient(90deg,rgba(20,154,114,.12),rgba(20,154,114,.02))!important}
.specs-highlight th, .specs-highlight td{color:var(--brand-800);font-weight:700;font-size:1.05rem}
.specs-highlights{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.hl-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;text-align:center;box-shadow:var(--shadow-sm)}
.hl-card b{display:block;font-family:var(--mono);font-size:1.6rem;color:var(--brand-800);letter-spacing:-.01em}
.hl-card span{font-size:.82rem;color:var(--ink-500);text-transform:uppercase;letter-spacing:.08em}
.hl-primary{grid-column:span 2;background:linear-gradient(135deg,var(--brand-800),var(--brand-600));color:#fff;border:0}
.hl-primary b{color:#fff;font-size:2rem}
.hl-primary span{color:rgba(255,255,255,.8)}

/* INCLUDES */
.section-includes{background:#fff}
.includes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.inc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);transition:.2s;
  position:relative;overflow:hidden;
}
.inc-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-700));
  transform:scaleY(0);transform-origin:top;transition:transform .25s;
}
.inc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(20,154,114,.4)}
.inc-card:hover::before{transform:scaleY(1)}
.inc-icon{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-50),#d7f2e5);color:var(--brand-700);margin-bottom:14px;
}
.inc-card h3{margin:0 0 .35rem;font-size:1.02rem;color:var(--ink-900);font-weight:700}
.inc-card p{margin:0;color:var(--ink-500);font-size:.94rem}
.includes-figure{margin-top:44px;max-width:820px;margin-inline:auto}

/* APPLICATIONS */
.section-apps{background:linear-gradient(180deg,#f5faf8,#fff)}
.apps-layout{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.apps-grid{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.apps-grid li{
  display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;
  padding:16px 18px;background:#fff;border:1px solid var(--line);border-radius:12px;transition:.2s;
}
.apps-grid li:hover{border-color:var(--brand-400);transform:translateX(4px)}
.app-num{font-family:var(--mono);font-weight:700;color:var(--brand-500);font-size:1.1rem}
.apps-grid p{margin:0;color:var(--ink-800);font-weight:500}
.apps-figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}
.apps-figure img{width:100%;height:auto;object-fit:cover}
.apps-figure-wide{margin-top:44px}

/* BENEFITS */
.section-benefits{background:#fff}
.benefits-headline{font-size:1.15rem;color:var(--brand-800);margin:.5rem 0 .75rem}
.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.benefit{
  background:linear-gradient(180deg,#fff,#fafcfa);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;text-align:left;box-shadow:var(--shadow-sm);
  transition:.2s;
}
.benefit:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.benefit-icon{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff;margin-bottom:14px;
  box-shadow:0 8px 20px -8px rgba(15,90,68,.5);
}
.benefit h3{margin:0 0 .35rem;font-size:1.05rem;color:var(--ink-900);font-weight:700}
.benefit p{margin:0;color:var(--ink-600);font-size:.95rem;color:var(--ink-500)}
.benefits-strip{margin-top:44px;padding:14px;background:#fafcfa}

/* ENGINEERING */
.section-engineering{background:linear-gradient(180deg,#f5faf8,#fff)}
.eng-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.eng-list{margin:1rem 0 0;padding:0;list-style:none;display:grid;gap:.55rem}
.eng-list li{
  padding:.7rem 1rem .7rem 2.2rem;background:#fff;border:1px solid var(--line);border-radius:10px;position:relative;color:var(--ink-800);
}
.eng-list li::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  box-shadow:0 0 0 3px rgba(20,154,114,.18);
}
.eng-figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff}

/* WARRANTY */
.section-warranty{background:#fff;padding-bottom:72px}
.warranty-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}
.warranty-card{
  padding:32px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,#fff,#f7fbf9);text-align:center;box-shadow:var(--shadow-sm);
}
.warranty-alt{background:linear-gradient(135deg,var(--brand-800),var(--brand-600));color:#fff;border:0}
.warranty-alt h3{color:#fff}
.warranty-alt p{color:rgba(255,255,255,.9)}
.warranty-badge{
  display:inline-block;padding:.5rem 1.1rem;border-radius:999px;background:var(--brand-50);color:var(--brand-800);
  font-family:var(--mono);font-weight:700;letter-spacing:.04em;margin-bottom:12px;
}
.warranty-alt .warranty-badge{background:rgba(255,255,255,.14);color:#fff}
.warranty-card h3{margin:.25rem 0 .5rem;font-size:1.15rem}
.warranty-figure{margin-top:40px;max-width:960px;margin-inline:auto}

/* TRUST */
.section-trust{
  background:
    radial-gradient(800px 400px at 80% 20%,rgba(38,185,141,.18),transparent 60%),
    linear-gradient(160deg,#062018,#0b3d2e);
  color:#eafbf3;text-align:center;
}
.section-trust h2{color:#fff;margin-top:.35rem}
.section-trust p{color:rgba(255,255,255,.85);max-width:760px;margin:1rem auto}
.trust-slogan{
  font-family:var(--mono);font-size:1.2rem;color:#8be0bd;
  border-top:1px solid rgba(255,255,255,.12);border-bottom:1px solid rgba(255,255,255,.12);
  padding:1rem 0;margin-top:1.5rem;letter-spacing:.02em;
}

/* CTA + FORM */
.section-cta{background:linear-gradient(180deg,#f5faf8,#fff)}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.cta-copy .cta-headline{font-size:1.15rem;margin-top:1rem;color:var(--brand-800)}
.cta-contacts{display:grid;gap:12px;margin-top:1.5rem}
.contact-tile{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px;
  color:var(--ink-800);box-shadow:var(--shadow-sm);transition:.2s;
}
.contact-tile:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--brand-400)}
.contact-tile svg{color:var(--brand-700);flex:none;width:38px;height:38px;padding:8px;background:var(--brand-50);border-radius:10px}
.contact-tile span{display:block;font-size:.78rem;color:var(--ink-500);text-transform:uppercase;letter-spacing:.08em}
.contact-tile b{display:block;color:var(--ink-900);font-size:1.02rem}
.contact-tile.whatsapp svg{color:#0a2f18;background:#d3f5df}

.cta-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1fr 1fr;gap:14px;
}
.field{display:flex;flex-direction:column;gap:.35rem}
.field-wide{grid-column:1/-1}
.field label{font-size:.85rem;color:var(--ink-700);font-weight:600}
.field input,.field textarea{
  width:100%;padding:.75rem .85rem;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.95rem;background:#fff;color:var(--ink-900);
  transition:border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(20,154,114,.15);
}
.field input:invalid[data-touched="true"], .field textarea:invalid[data-touched="true"]{
  border-color:var(--danger);box-shadow:0 0 0 3px rgba(217,45,32,.12);
}
.field textarea{resize:vertical;min-height:100px}
.cta-form .btn{grid-column:1/-1;margin-top:.35rem;letter-spacing:.06em}
.form-hint{grid-column:1/-1;margin:.25rem 0 0;font-size:.85rem;color:var(--ink-500);text-align:center}
.form-status{grid-column:1/-1;margin:0;font-size:.92rem;color:var(--brand-700);min-height:1.2em;text-align:center}
.form-status.error{color:var(--danger)}

/* FAQ */
.section-faq{background:#fff}
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:.2s;
}
.faq-item[open]{border-color:var(--brand-400);box-shadow:var(--shadow-sm)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-weight:600;color:var(--ink-900);
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";width:12px;height:12px;border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);transition:transform .2s;flex:none;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:focus-visible{outline:3px solid rgba(20,154,114,.35);outline-offset:2px;border-radius:8px}
.faq-body{padding:0 20px 18px}
.faq-body p{margin:0;color:var(--ink-700)}

/* FOOTER */
.site-footer{background:#0a1a15;color:#c9d6d1;padding:56px 0 0;margin-top:0}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.footer-brand p{margin:.75rem 0 0;color:rgba(255,255,255,.6);max-width:340px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text b{color:var(--brand-300)}
.footer-col h4{color:#fff;margin:0 0 .8rem;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase}
.footer-col a{display:block;padding:.35rem 0;color:rgba(255,255,255,.75);font-size:.94rem}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:44px;padding:18px 0;border-top:1px solid rgba(255,255,255,.08);font-size:.85rem;color:rgba(255,255,255,.5)}

/* MOBILE STICKY CTA */
.mobile-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:90;
  display:none;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.06);
  padding:8px 10px;gap:8px;
}
.mcta-item{
  flex:1;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  padding:8px 4px;border-radius:12px;background:var(--ink-50);color:var(--ink-800);font-size:.72rem;font-weight:600;
}
.mcta-item svg{color:var(--brand-700)}
.mcta-wa{background:#e6f7ec;color:#0a2f18}
.mcta-wa svg{color:#0a2f18}
.mcta-quote{background:linear-gradient(135deg,var(--brand-700),var(--brand-500));color:#fff}
.mcta-quote svg{color:#fff}

/* ========== RESPONSIVE ========== */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:-1}
  .solution-grid,.specs-wrap,.apps-layout,.eng-grid,.cta-grid{grid-template-columns:1fr;gap:32px}
  .problem-grid{grid-template-columns:repeat(2,1fr)}
  .problem-card-wide{grid-column:span 2}
  .includes-grid{grid-template-columns:repeat(2,1fr)}
  .benefits-grid{grid-template-columns:repeat(2,1fr)}
  .nav-primary{display:none}
}
@media (max-width:720px){
  .section{padding:64px 0}
  .header-inner{height:64px;gap:.5rem}
  .header-phone{display:none}
  .header-actions .btn-primary{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .brand-text{font-size:.98rem}
  .hero{padding:36px 0 60px}
  .hero-figure{padding:10px}
  .hero-figure img{max-height:340px}
  .hero-ctas .btn{flex:1;justify-content:center}
  .hero-spec{flex-direction:column;align-items:flex-start;gap:.6rem}
  .spec-pills{margin-left:0}
  .flow-mini{grid-template-columns:1fr;gap:.4rem}
  .flow-arrow{width:2px;height:14px;background:linear-gradient(180deg,var(--brand-300),var(--brand-500));margin:0 auto}
  .flow-arrow::after{right:50%;top:auto;bottom:-2px;transform:translateX(50%);border-left:5px solid transparent;border-right:5px solid transparent;border-left-color:transparent;border-top-color:var(--brand-500)}
  .problem-grid{grid-template-columns:1fr}
  .problem-card-wide{grid-column:span 1}
  .includes-grid{grid-template-columns:1fr}
  .benefits-grid{grid-template-columns:1fr}
  .warranty-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .cta-form{grid-template-columns:1fr;padding:20px}
  .specs-table thead{display:none}
  .specs-table, .specs-table tbody, .specs-table tr, .specs-table th, .specs-table td{display:block;width:100%}
  .specs-table tr{padding:14px 16px;border-top:1px solid var(--line)}
  .specs-table tbody th, .specs-table tbody td{padding:2px 0;border:0}
  .specs-table tbody th{width:100%;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-500)}
  .specs-table tbody td{font-size:1rem;font-weight:600;color:var(--ink-900)}
  .specs-table tbody tr:nth-child(even){background:#fafcfa}
  .specs-highlights{grid-template-columns:1fr 1fr}
  .mobile-cta{display:flex}
  body{padding-bottom:68px}
}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}