/* ===================================================================
   CME — Construções Modulares Especiais
   Estilo institucional B2B
   =================================================================== */

:root{
  --primary:#0A1F3A;
  --primary-dark:#061528;
  --primary-light:#1B3658;
  --accent:#E85D1A;
  --accent-hover:#C9491A;
  --accent-light:#FFF1E8;
  --text:#15233A;
  --text-muted:#5A6478;
  --text-light:#8a93a3;
  --bg:#FFFFFF;
  --bg-alt:#F5F7FA;
  --bg-dark:#0A1F3A;
  --border:#E2E6ED;
  --border-dark:#1B3658;
  --shadow-sm:0 1px 2px rgba(10,31,58,.06);
  --shadow:0 4px 16px rgba(10,31,58,.08);
  --shadow-lg:0 20px 60px rgba(10,31,58,.15);
  --radius:6px;
  --radius-lg:12px;
  --maxw:1240px;
  --header-h:78px;
  --transition:all .25s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Inter','Segoe UI','Helvetica Neue',Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}

/* Typography */
h1,h2,h3,h4{font-weight:700;line-height:1.18;letter-spacing:-.02em;color:var(--primary);margin:0 0 .6em}
h1{font-size:clamp(2rem,4.6vw,3.4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}
h3{font-size:1.35rem}
h4{font-size:1.1rem}
p{margin:0 0 1em}
.eyebrow{
  display:inline-block;
  text-transform:uppercase;
  letter-spacing:.2em;
  font-size:.78rem;
  font-weight:600;
  color:var(--accent);
  margin-bottom:1rem;
}
.lead{font-size:1.18rem;color:var(--text-muted);max-width:780px}

/* Container */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.97);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
  height:var(--header-h);
  display:flex;align-items:center;
}
.site-header .container{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{
  display:flex;align-items:center;gap:12px;
  font-weight:800;color:var(--primary);letter-spacing:-.02em;font-size:1.25rem;
}
.logo-mark{
  width:42px;height:42px;border-radius:8px;
  background:var(--primary);
  display:grid;place-items:center;
  position:relative;overflow:hidden;
}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;background:#fff;
}
.logo-mark::before{width:8px;height:24px;left:9px;top:9px}
.logo-mark::after{width:8px;height:14px;right:9px;bottom:9px;background:var(--accent)}
.logo-text small{display:block;font-size:.62rem;color:var(--text-muted);font-weight:500;letter-spacing:.16em;margin-top:-3px}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  padding:10px 14px;font-size:.94rem;font-weight:500;color:var(--text);
  border-radius:6px;position:relative;
}
.main-nav a:hover{color:var(--accent)}
.main-nav a.active{color:var(--primary);font-weight:600}
.main-nav a.active::after{
  content:"";position:absolute;bottom:2px;left:14px;right:14px;height:2px;background:var(--accent);border-radius:2px;
}

.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;
  padding:11px 20px;font-weight:600;font-size:.92rem;
  border-radius:6px;
  box-shadow:0 4px 14px rgba(232,93,26,.25);
}
.header-cta:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(232,93,26,.35)}
.header-cta svg{width:16px;height:16px}

.menu-toggle{display:none;padding:8px;color:var(--primary)}
.menu-toggle svg{width:28px;height:28px}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:6px;font-weight:600;font-size:.96rem;
  transition:var(--transition);cursor:pointer;border:2px solid transparent;
  text-decoration:none;
}
.btn svg{width:16px;height:16px;transition:transform .25s}
.btn:hover svg{transform:translateX(3px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(232,93,26,.28)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,93,26,.38)}
.btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-secondary:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-ghost{color:var(--accent);font-weight:600;padding:8px 0}
.btn-ghost:hover{gap:14px}

/* ===== SECTION ===== */
section{padding:96px 0;position:relative}
.section-dark{background:var(--primary);color:#fff}
.section-dark h1,.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark .lead{color:rgba(255,255,255,.78)}
.section-alt{background:var(--bg-alt)}

.section-head{max-width:780px;margin-bottom:60px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ===== PAGE HERO ===== */
.page-hero{
  padding:calc(var(--header-h) + 80px) 0 80px;
  background:linear-gradient(135deg,#0A1F3A 0%,#1B3658 100%);
  color:#fff;position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:radial-gradient(ellipse at top right,black 30%,transparent 70%);
  -webkit-mask-image:radial-gradient(ellipse at top right,black 30%,transparent 70%);
}
.page-hero::after{
  content:"";position:absolute;top:0;right:0;width:50%;height:100%;
  background:radial-gradient(circle at 70% 40%,rgba(232,93,26,.18),transparent 60%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .lead{color:rgba(255,255,255,.82);font-size:1.25rem}
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:.86rem;color:rgba(255,255,255,.6);margin-bottom:18px;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:rgba(255,255,255,.4)}

/* ===== HOMEPAGE HERO ===== */
.hero{
  padding:calc(var(--header-h) + 80px) 0 100px;
  background:linear-gradient(135deg,#0A1F3A 0%,#1B3658 60%,#0A1F3A 100%);
  color:#fff;position:relative;overflow:hidden;min-height:780px;
  display:flex;align-items:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);
}
.hero::after{
  content:"";position:absolute;bottom:0;right:-100px;width:600px;height:600px;
  background:radial-gradient(circle,rgba(232,93,26,.22),transparent 65%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center}
.hero h1{color:#fff;font-size:clamp(2.2rem,4.8vw,3.7rem);line-height:1.1;margin-bottom:24px}
.hero h1 .accent{color:var(--accent)}
.hero p.lead{color:rgba(255,255,255,.82);font-size:1.18rem;margin-bottom:36px;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.hero-visual{
  position:relative;aspect-ratio:1/1.05;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(145deg,#1B3658,#0A1F3A);
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.08);
}
.hero-visual .module-grid{
  position:absolute;inset:0;display:grid;
  grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(5,1fr);gap:6px;padding:18px;
}
.hero-visual .module{
  background:linear-gradient(135deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid rgba(255,255,255,.08);border-radius:4px;
  animation:moduleAppear .6s ease-out forwards;opacity:0;
}
.hero-visual .module.accent{background:linear-gradient(135deg,rgba(232,93,26,.35),rgba(232,93,26,.15));border-color:rgba(232,93,26,.5)}
@keyframes moduleAppear{to{opacity:1}}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 30%,transparent,rgba(10,31,58,.6) 90%);
  pointer-events:none;
}
.hero-visual-label{
  position:absolute;bottom:24px;left:24px;right:24px;z-index:2;
  background:rgba(10,31,58,.85);backdrop-filter:blur(8px);
  padding:18px 22px;border-radius:8px;border:1px solid rgba(255,255,255,.1);
}
.hero-visual-label strong{display:block;font-size:.9rem;color:#fff;margin-bottom:4px}
.hero-visual-label span{font-size:.78rem;color:rgba(255,255,255,.6);letter-spacing:.05em}

/* ===== CARDS ===== */
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;transition:var(--transition);position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.card h3{font-size:1.18rem;margin-bottom:12px}
.card p{color:var(--text-muted);font-size:.95rem;margin-bottom:0}
.card .icon{
  width:52px;height:52px;border-radius:10px;
  background:var(--accent-light);color:var(--accent);
  display:grid;place-items:center;margin-bottom:20px;
}
.card .icon svg{width:26px;height:26px}

/* Solution card with image */
.solution-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:var(--transition);display:flex;flex-direction:column;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.solution-card .img-placeholder{
  aspect-ratio:16/10;background:linear-gradient(135deg,#1B3658,#0A1F3A);
  position:relative;overflow:hidden;
}
.solution-card .img-placeholder::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:32px 32px;
}
.solution-card .img-placeholder::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,31,58,.7));
}
.solution-card .img-placeholder svg{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;color:rgba(255,255,255,.25);z-index:1;
}
.solution-card .img-tag{
  position:absolute;top:14px;left:14px;
  background:rgba(232,93,26,.95);color:#fff;
  padding:5px 12px;font-size:.72rem;font-weight:600;letter-spacing:.08em;
  text-transform:uppercase;border-radius:4px;z-index:2;
}
.solution-card .body{padding:28px;flex:1;display:flex;flex-direction:column}
.solution-card h3{margin-bottom:10px}
.solution-card p{color:var(--text-muted);font-size:.94rem}
.solution-card .applications{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--border);font-size:.84rem;color:var(--text-light);
}
.solution-card .applications strong{color:var(--primary);font-weight:600;display:block;margin-bottom:4px;font-size:.78rem;text-transform:uppercase;letter-spacing:.1em}

/* Method steps */
.method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.method-step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px 28px;position:relative;transition:var(--transition);
}
.method-step:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow)}
.method-step .num{
  display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.method-step .num span{
  font-size:2.4rem;font-weight:800;color:var(--accent);
  line-height:1;font-variant-numeric:tabular-nums;
}
.method-step .num small{
  text-transform:uppercase;letter-spacing:.15em;font-size:.72rem;color:var(--text-muted);font-weight:600;
}
.method-step h4{font-size:1.1rem;color:var(--primary);margin-bottom:10px}
.method-step p{color:var(--text-muted);font-size:.92rem;margin:0}

/* Segment cards */
.segment-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  aspect-ratio:4/5;display:flex;align-items:flex-end;
  background:linear-gradient(135deg,#1B3658,#0A1F3A);
  cursor:pointer;transition:var(--transition);
}
.segment-card::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:40px 40px;
}
.segment-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(10,31,58,.95));
}
.segment-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.segment-card:hover .seg-bar{width:60px}
.segment-card .seg-content{position:relative;z-index:1;padding:32px;color:#fff}
.segment-card .seg-icon{
  width:56px;height:56px;border-radius:10px;background:rgba(232,93,26,.95);
  display:grid;place-items:center;color:#fff;margin-bottom:18px;
}
.segment-card .seg-icon svg{width:28px;height:28px}
.segment-card h3{color:#fff;margin-bottom:10px;font-size:1.32rem}
.segment-card p{color:rgba(255,255,255,.82);font-size:.92rem;margin:0}
.segment-card .seg-bar{
  position:absolute;top:0;left:0;height:4px;background:var(--accent);width:36px;transition:width .35s;
}

/* Project cards */
.project-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.project-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;transition:var(--transition);cursor:pointer;
}
.project-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.project-card .img-placeholder{
  aspect-ratio:4/3;background:linear-gradient(135deg,#1B3658,#0A1F3A);
  position:relative;overflow:hidden;
}
.project-card .img-placeholder::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:32px 32px;
}
.project-card .img-placeholder::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(10,31,58,.75));
}
.project-card .img-placeholder .pj-tag{
  position:absolute;top:16px;left:16px;background:rgba(232,93,26,.95);color:#fff;
  padding:5px 12px;border-radius:4px;font-size:.72rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;z-index:2;
}
.project-card .body{padding:24px}
.project-card h3{font-size:1.15rem;margin-bottom:10px}
.project-card .meta{
  list-style:none;padding:0;margin:0;font-size:.84rem;color:var(--text-muted);
  display:flex;flex-direction:column;gap:6px;
}
.project-card .meta li{display:flex;gap:8px}
.project-card .meta strong{color:var(--primary);font-weight:600;min-width:80px}

/* Stats */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--primary);border-radius:var(--radius-lg);overflow:hidden;
  position:relative;
}
.stats::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.stat{
  padding:48px 32px;text-align:center;color:#fff;
  border-right:1px solid rgba(255,255,255,.08);position:relative;
}
.stat:last-child{border-right:none}
.stat .num{
  font-size:clamp(2rem,4vw,3rem);font-weight:800;color:var(--accent);
  line-height:1;margin-bottom:8px;letter-spacing:-.02em;
}
.stat .label{
  font-size:.86rem;color:rgba(255,255,255,.78);text-transform:uppercase;letter-spacing:.12em;font-weight:500;
}

/* Timeline */
.timeline{position:relative;padding-left:36px}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:var(--border);
}
.timeline-item{position:relative;padding-bottom:32px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-32px;top:6px;width:18px;height:18px;
  border-radius:50%;background:#fff;border:3px solid var(--accent);
}
.timeline-item .year{
  font-weight:700;color:var(--accent);font-size:.92rem;letter-spacing:.04em;
}
.timeline-item h4{font-size:1.05rem;margin:6px 0 6px;color:var(--primary)}
.timeline-item p{color:var(--text-muted);font-size:.94rem;margin:0}

/* Differential blocks */
.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.diff-block{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px;position:relative;transition:var(--transition);
}
.diff-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent}
.diff-block .diff-num{
  display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.2em;
  color:var(--accent);margin-bottom:14px;
}
.diff-block h3{font-size:1.3rem;color:var(--primary);margin-bottom:14px}
.diff-block p{color:var(--text-muted);margin:0;font-size:.97rem;line-height:1.7}

/* Two column with image */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split-img{
  aspect-ratio:4/5;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(135deg,#1B3658,#0A1F3A);position:relative;
  box-shadow:var(--shadow-lg);
}
.split-img::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:40px 40px;
}
.split-img::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 70%,rgba(232,93,26,.18),transparent 60%);
}
.split-img .badge{
  position:absolute;bottom:24px;left:24px;background:rgba(10,31,58,.9);
  backdrop-filter:blur(8px);padding:16px 22px;border-radius:8px;color:#fff;
  border:1px solid rgba(255,255,255,.1);max-width:80%;
}
.split-img .badge strong{display:block;font-size:.95rem;margin-bottom:4px}
.split-img .badge span{font-size:.78rem;color:rgba(255,255,255,.65);letter-spacing:.05em}

/* Final CTA section */
.cta-section{
  background:linear-gradient(135deg,var(--primary) 0%,#1B3658 100%);
  color:#fff;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);
}
.cta-section::after{
  content:"";position:absolute;top:-50%;right:-20%;width:60%;height:200%;
  background:radial-gradient(circle,rgba(232,93,26,.15),transparent 60%);
  pointer-events:none;
}
.cta-section .container{position:relative;z-index:1;text-align:center}
.cta-section h2{color:#fff;margin-bottom:20px}
.cta-section p{color:rgba(255,255,255,.8);font-size:1.15rem;max-width:680px;margin:0 auto 36px}
.cta-section .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Compromisso list */
.commit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.commit-item{
  display:flex;gap:20px;padding:28px;border-radius:var(--radius-lg);
  background:var(--bg-alt);transition:var(--transition);
}
.commit-item:hover{background:#fff;box-shadow:var(--shadow)}
.commit-item .icon{
  flex-shrink:0;width:48px;height:48px;border-radius:10px;
  background:var(--accent);color:#fff;display:grid;place-items:center;
}
.commit-item .icon svg{width:24px;height:24px}
.commit-item h4{font-size:1.08rem;margin-bottom:8px;color:var(--primary)}
.commit-item p{color:var(--text-muted);font-size:.94rem;margin:0;line-height:1.65}

/* ===== FORM ===== */
.form-section{display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:start}
.contact-info{}
.contact-info h2{margin-bottom:20px}
.contact-info .lead{margin-bottom:36px}
.contact-channels{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:18px}
.contact-channel{
  display:flex;gap:18px;padding:18px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--border);transition:var(--transition);
}
.contact-channel:hover{border-color:var(--accent);transform:translateX(4px)}
.contact-channel .ic{
  width:42px;height:42px;border-radius:8px;background:var(--accent-light);
  color:var(--accent);display:grid;place-items:center;flex-shrink:0;
}
.contact-channel .ic svg{width:22px;height:22px}
.contact-channel strong{display:block;color:var(--primary);font-size:.84rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px}
.contact-channel a,.contact-channel span{color:var(--text-muted);font-size:.96rem}

.contact-form{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:40px;box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-group{display:flex;flex-direction:column;margin-bottom:18px}
.form-group label{font-size:.86rem;font-weight:600;color:var(--primary);margin-bottom:8px}
.form-group label .req{color:var(--accent)}
.form-group input,
.form-group select,
.form-group textarea{
  padding:12px 14px;border:1px solid var(--border);border-radius:6px;
  font-family:inherit;font-size:.96rem;color:var(--text);
  background:#fff;transition:var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(232,93,26,.15)}
.form-group textarea{resize:vertical;min-height:120px}
.form-check{display:flex;gap:10px;align-items:flex-start;margin-bottom:24px;font-size:.88rem;color:var(--text-muted)}
.form-check input{margin-top:3px;flex-shrink:0}
.form-check a{color:var(--accent);font-weight:600}
.form-submit{width:100%;justify-content:center}

/* ===== FOOTER ===== */
.site-footer{
  background:var(--primary-dark);color:rgba(255,255,255,.7);padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:20px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text small{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:.94rem;color:rgba(255,255,255,.6);margin-bottom:24px;max-width:340px}
.social-links{display:flex;gap:10px}
.social-links a{
  width:40px;height:40px;border-radius:8px;background:rgba(255,255,255,.08);
  display:grid;place-items:center;color:#fff;transition:var(--transition);
}
.social-links a:hover{background:var(--accent);transform:translateY(-2px)}
.social-links svg{width:20px;height:20px}

.footer-col h4{color:#fff;font-size:.86rem;text-transform:uppercase;letter-spacing:.14em;margin-bottom:20px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.footer-col a{color:rgba(255,255,255,.7);font-size:.94rem}
.footer-col a:hover{color:var(--accent)}
.footer-col .footer-cta{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;
  padding:11px 18px;border-radius:6px;font-weight:600;font-size:.88rem;margin-top:8px;
}
.footer-col .footer-cta:hover{background:var(--accent-hover);color:#fff}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  font-size:.84rem;color:rgba(255,255,255,.5);
}
.footer-legal{display:flex;gap:24px;flex-wrap:wrap}
.footer-legal a:hover{color:#fff}

/* Back to top */
.back-to-top{
  position:fixed;bottom:24px;right:24px;width:48px;height:48px;
  background:var(--accent);color:#fff;border-radius:50%;
  display:grid;place-items:center;box-shadow:var(--shadow-lg);
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(20px);
  transition:var(--transition);z-index:99;
}
.back-to-top.visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--accent-hover);transform:translateY(-3px)}
.back-to-top svg{width:22px;height:22px}

/* WhatsApp float */
.whatsapp-float{
  position:fixed;bottom:24px;left:24px;width:56px;height:56px;
  background:#25D366;color:#fff;border-radius:50%;
  display:grid;place-items:center;box-shadow:var(--shadow-lg);
  z-index:98;transition:var(--transition);
}
.whatsapp-float:hover{transform:scale(1.08);background:#1da851}
.whatsapp-float svg{width:30px;height:30px}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:48px}
  .hero-visual{max-width:480px;margin:0 auto;width:100%}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .method-grid{grid-template-columns:repeat(2,1fr)}
  .project-grid{grid-template-columns:repeat(2,1fr)}
  .form-section{grid-template-columns:1fr;gap:48px}
  .split{grid-template-columns:1fr;gap:40px}
  .split-img{aspect-ratio:16/10;max-width:600px;width:100%;margin:0 auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  section{padding:64px 0}
  .hero{padding:calc(var(--header-h) + 40px) 0 64px;min-height:auto}
  .main-nav{
    display:none;position:fixed;top:var(--header-h);left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;padding:20px;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow);gap:0;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 16px;border-bottom:1px solid var(--border)}
  .main-nav a:last-child{border-bottom:none}
  .header-cta{display:none}
  .menu-toggle{display:flex}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .method-grid{grid-template-columns:1fr}
  .project-grid{grid-template-columns:1fr}
  .diff-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:none;border-bottom:1px solid rgba(255,255,255,.08)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.08)}
  .commit-list{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .contact-form{padding:28px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;text-align:center}
}