:root {
  --primary: #0f4c81;
  --primary-dark: #0a3560;
  --accent: #ee7623;
  --dark: #0f172a;
  --text: #334155;
  --muted: #64748b;
  --light: #f8fafc;
  --border: #e2e8f0;
  --whatsapp: #25d366;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 92px; }

body {
  font-family: 'Poppins', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-dark); }

h1, h2, h3, h4 { color: var(--dark); line-height: 1.25; }
h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; margin-bottom: 1.2rem; }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 0.75rem;
}

.gradient {
  background: linear-gradient(90deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid var(--primary);
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.btn:hover { color: #fff; background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(15, 76, 129, 0.3); }
.btn-outline { background: transparent; color: var(--primary); }
.btn-outline:hover { background: var(--primary); }
.btn-small { padding: 9px 20px; font-size: 0.9rem; }
.btn-whatsapp { background: var(--whatsapp); border-color: var(--whatsapp); width: 100%; justify-content: center; }
.btn-whatsapp:hover { background: #1ebe5b; border-color: #1ebe5b; box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35); }

/* Header */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  transition: box-shadow 0.3s;
}
.header.scrolled { box-shadow: 0 2px 20px rgba(15, 23, 42, 0.08); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.logo { display: inline-flex; align-items: center; }
.logo img { display: block; height: 66px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a:not(.btn) { color: var(--text); font-weight: 500; }
.nav-links a:not(.btn):hover { color: var(--primary); }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--dark); margin: 5px 0; transition: 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  padding: 160px 0 100px;
  background:
    radial-gradient(circle at 85% 20%, rgba(238, 118, 35, 0.15), transparent 40%),
    radial-gradient(circle at 10% 80%, rgba(15, 76, 129, 0.12), transparent 40%),
    var(--light);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; }
.lead { font-size: 1.15rem; color: var(--muted); margin-bottom: 2rem; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-visual { position: relative; }
.mock-window { background: #fff; border-radius: var(--radius); box-shadow: 0 25px 60px rgba(15, 23, 42, 0.15); overflow: hidden; }
.mock-bar { display: flex; gap: 6px; padding: 14px; background: var(--dark); }
.mock-bar i { width: 11px; height: 11px; border-radius: 50%; background: #f87171; }
.mock-bar i:nth-child(2) { background: #fbbf24; }
.mock-bar i:nth-child(3) { background: #34d399; }
.mock-body { padding: 28px; }
.mock-line { height: 12px; border-radius: 6px; background: var(--border); margin-bottom: 14px; }
.mock-line.w80 { width: 80%; background: linear-gradient(90deg, var(--primary), var(--accent)); }
.mock-line.w60 { width: 60%; }
.mock-line.w40 { width: 40%; margin: 0; }
.mock-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 22px 0; }
.mock-card { height: 90px; border-radius: 12px; background: linear-gradient(135deg, #eaf1f8, #fdf0e6); }
.float-chip {
  position: absolute;
  background: #fff;
  padding: 10px 18px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  box-shadow: var(--shadow);
  animation: float 4s ease-in-out infinite;
}
.chip-1 { top: -18px; left: -20px; }
.chip-2 { bottom: -18px; right: -10px; animation-delay: 2s; }
@keyframes float { 50% { transform: translateY(-10px); } }

/* Sections */
.section { padding: 100px 0; }
.section-alt { background: var(--light); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card p { color: var(--muted); }
.card-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  font-size: 1.6rem;
  border-radius: 14px;
  background: linear-gradient(135deg, #eaf1f8, #fdf0e6);
  margin-bottom: 18px;
}

/* Work */
.showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; margin-bottom: 40px; }
.shot { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.shot-bar { display: flex; gap: 6px; padding: 12px 14px; background: var(--dark); }
.shot-bar i { width: 10px; height: 10px; border-radius: 50%; background: #f87171; }
.shot-bar i:nth-child(2) { background: #fbbf24; }
.shot-bar i:nth-child(3) { background: #34d399; }
.shot-frame { height: 560px; overflow-y: auto; background: var(--light); }
.shot-frame img { display: block; width: 100%; height: auto; }
.shot figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 12px 18px; font-weight: 600; color: var(--dark); border-top: 1px solid var(--border); }
.shot figcaption span { font-weight: 400; font-size: 0.85rem; color: var(--muted); }
.checklist-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px 32px; max-width: 760px; margin: 0 auto 2rem; }
.center { text-align: center; }
.checklist { list-style: none; margin-bottom: 2rem; }
.checklist li { position: relative; padding-left: 32px; margin-bottom: 10px; }
.checklist li::before {
  content: '✓';
  position: absolute; left: 0; top: 2px;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Process */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { padding: 28px; border-radius: var(--radius); border: 1px solid var(--border); }
.step span { display: block; font-size: 2rem; font-weight: 800; margin-bottom: 8px; background: linear-gradient(90deg, var(--primary), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step p { color: var(--muted); }

/* About */
.about { text-align: center; max-width: 820px; }
.about > p { font-size: 1.05rem; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.stats div { background: #fff; padding: 28px 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.stats strong { display: block; font-size: 2rem; font-weight: 800; color: var(--primary); }
.stats span { color: var(--muted); font-size: 0.95rem; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info > p { color: var(--muted); margin-bottom: 2rem; }
.info-list { list-style: none; }
.info-list li { display: flex; gap: 16px; margin-bottom: 24px; }
.info-list strong { color: var(--dark); }
.info-icon {
  flex-shrink: 0;
  width: 48px; height: 48px;
  display: grid; place-items: center;
  font-size: 1.3rem;
  border-radius: 12px;
  background: linear-gradient(135deg, #eaf1f8, #fdf0e6);
}
.contact-form {
  background: #fff;
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.1);
  border: 1px solid var(--border);
}
.contact-form h3 { font-size: 1.4rem; margin-bottom: 1.5rem; }
.contact-form label { display: block; font-weight: 500; color: var(--dark); margin-bottom: 6px; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 16px;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  color: var(--dark);
  background: var(--light);
  transition: border-color 0.2s, box-shadow 0.2s;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.15); background: #fff; }
.form-error { color: #dc2626; font-size: 0.9rem; min-height: 1.2em; margin: -8px 0 10px; }

/* Footer */
.footer { background: var(--dark); color: #cbd5e1; padding: 70px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer .logo-footer { background: #fff; padding: 8px 14px; border-radius: 12px; margin-bottom: 16px; }
.footer .logo-footer img { height: 56px; }
.footer h4 { color: #fff; margin-bottom: 14px; }
.footer p { margin-bottom: 10px; }
.footer a { color: #cbd5e1; }
.footer a:hover { color: #fff; }
.copyright { text-align: center; border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 24px; font-size: 0.9rem; }

/* Floating WhatsApp */
.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  width: 60px; height: 60px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--whatsapp);
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  transition: transform 0.2s;
}
.whatsapp-float:hover { color: #fff; transform: scale(1.08); }
.whatsapp-float::before {
  content: '';
  position: absolute; inset: 0;
  border-radius: 50%;
  background: var(--whatsapp);
  z-index: -1;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0% { transform: scale(1); opacity: 0.6; } 100% { transform: scale(1.6); opacity: 0; } }
.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  white-space: nowrap;
  background: var(--dark);
  color: #fff;
  font-size: 0.85rem;
  padding: 6px 12px;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .contact-grid { grid-template-columns: 1fr; gap: 50px; }
  .hero { padding: 120px 0 80px; text-align: center; }
  .lead { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { max-width: 480px; margin: 0 auto; width: 100%; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 84px; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: #fff;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
  }
  .nav-links.open { max-height: 400px; padding-bottom: 20px; }
  .nav-links a:not(.btn) { padding: 14px 0; width: 100%; text-align: center; }
  .section { padding: 70px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 700px) {
  .showcase { grid-template-columns: 1fr; }
  .checklist-row { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .logo img { height: 54px; }
  .cards, .steps, .stats { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .chip-1 { left: 0; }
  .chip-2 { right: 0; }
  .whatsapp-float { right: 16px; bottom: 16px; width: 56px; height: 56px; }
}