/* === RIBEIRO SOLUÇÕES — Premium Landing Page === */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #1E293B;
  --secondary: #64748B;
  --accent: #EA580C;
  --accent-hover: #C2410C;
  --background: #F5F3F0;
  --card: #FFFFFF;
  --muted: #E8E6E3;
  --surface-dark: #202020;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --border: 0.8px solid #cbcbc8;
  --radius: 1.5rem;
  --radius-sm: 0.75rem;
  --transition: all 0.25s cubic-bezier(0, .01, .38, .95);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Inter', sans-serif;
  background: var(--background);
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: 'DM Serif Display', serif; font-weight: 400; line-height: 1.15; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; cursor: pointer; }

/* === HEADER (Floating) === */
.site-header {
  position: fixed; top: 1rem; left: 1rem; right: 1rem; z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius); border: var(--border);
  padding: 0.8rem 2rem;
  display: flex; justify-content: space-between; align-items: center;
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.08); }
.header-logo { display: flex; align-items: center; gap: 0.75rem; }
.header-logo img { width: 36px; height: 36px; object-fit: contain; }
.header-logo span { font-family: 'DM Serif Display', serif; font-size: 1.25rem; color: var(--primary); }
.header-nav { display: flex; gap: 2rem; align-items: center; }
.header-nav a { font-size: 0.9rem; font-weight: 500; color: var(--secondary); transition: color 0.2s; }
.header-nav a:hover { color: var(--accent); }
.header-cta {
  background: transparent; color: #000; padding: 0.6rem 1.5rem;
  border-radius: var(--radius-sm); font-weight: 700; font-size: 0.85rem;
  transition: var(--transition); border: 1.5px solid #000; cursor: pointer;
}
.header-cta:hover { background: #000; color: #fff; }
.mobile-toggle { display: none; background: none; border: none; cursor: pointer; }

/* === HERO === */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  overflow: hidden; padding: 8rem 2rem 4rem;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(135deg, rgba(30,41,59,0.88), rgba(30,41,59,0.6));
}
.hero-bg img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; z-index: -1; }
.hero-content {
  position: relative; z-index: 1; max-width: 720px; margin: 0 auto 0 8%;
  color: #fff;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,0.12); backdrop-filter: blur(8px);
  padding: 0.4rem 1rem; border-radius: 2rem; font-size: 0.8rem;
  font-weight: 500; margin-bottom: 1.5rem; border: 1px solid rgba(255,255,255,0.15);
}
.hero h1 { font-size: 4.5rem; margin-bottom: 1.5rem; letter-spacing: -0.02em; }
.hero h1 span { color: #EA580C; }
.hero p { font-size: 1.15rem; color: #EA580C; max-width: 540px; margin-bottom: 2.5rem; font-weight: 500; line-height: 1.7; }
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  background: var(--accent); color: #fff; padding: 1rem 2rem;
  border-radius: var(--radius-sm); font-weight: 600; font-size: 1rem;
  transition: var(--transition); border: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 0.5rem;
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); }
.btn-ghost {
  background: transparent; color: #fff; padding: 1rem 2rem;
  border-radius: var(--radius-sm); font-weight: 500; font-size: 1rem;
  border: 1.5px solid rgba(255,255,255,0.35); backdrop-filter: blur(10px);
  transition: var(--transition); cursor: pointer;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.6); }
.scroll-indicator {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  color: rgba(255,255,255,0.5); font-size: 0.75rem; letter-spacing: 0.1em;
  animation: bounce 2s infinite;
}
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(8px)} }

/* === STATS === */
.stats {
  background: var(--surface-dark); padding: 5rem 2rem; color: #fff;
}
.stats-grid {
  max-width: 1000px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 3rem;
  text-align: center;
}
.stat-item h3 { font-size: 3.5rem; color: var(--accent); margin-bottom: 0.5rem; }
.stat-item p { font-size: 0.95rem; color: rgba(255,255,255,0.6); font-weight: 400; }

/* === SERVICES === */
.services { padding: 6rem 2rem; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: 2.8rem; margin-bottom: 1rem; color: var(--primary); }
.section-header p { font-size: 1.05rem; color: var(--secondary); max-width: 560px; margin: 0 auto; }
.services-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.service-card {
  background: var(--card); border-radius: var(--radius); border: var(--border);
  overflow: hidden; transition: var(--transition); cursor: pointer;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 20px 60px rgba(0,0,0,0.08); }
.service-card-img { height: 220px; overflow: hidden; }
.service-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.service-card:hover .service-card-img img { transform: scale(1.05); }
.service-card-body { padding: 2rem; }
.service-card-icon {
  width: 48px; height: 48px; background: #FFF7ED; border-radius: 12px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}
.service-card-icon svg { color: var(--accent); }
.service-card h4 { font-family: 'DM Serif Display', serif; font-size: 1.35rem; margin-bottom: 0.75rem; }
.service-card p { font-size: 0.9rem; color: var(--secondary); line-height: 1.6; margin-bottom: 1.25rem; }
.service-card-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-weight: 600; font-size: 0.85rem; color: var(--accent); transition: gap 0.2s;
}
.service-card:hover .service-card-link { gap: 0.7rem; }

/* === PROCESS TIMELINE === */
.process { padding: 6rem 2rem; background: var(--card); }
.process-steps {
  max-width: 900px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem;
  position: relative;
}
.process-steps::before {
  content: ''; position: absolute; top: 28px; left: 12.5%; right: 12.5%;
  height: 2px; background: var(--muted);
}
.process-step { text-align: center; position: relative; }
.step-number {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--background); border: 2px solid var(--muted);
  display: flex; align-items: center; justify-content: center;
  font-family: 'DM Serif Display', serif; font-size: 1.25rem;
  color: var(--accent); margin: 0 auto 1.25rem; position: relative; z-index: 1;
  transition: var(--transition);
}
.process-step:hover .step-number { background: var(--accent); color: #fff; border-color: var(--accent); }
.process-step h4 { font-family: 'DM Serif Display', serif; font-size: 1.1rem; margin-bottom: 0.5rem; }
.process-step p { font-size: 0.85rem; color: var(--secondary); }

/* === PORTFOLIO === */
.portfolio { padding: 6rem 2rem; }
.portfolio-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem;
}
.portfolio-item {
  position: relative; border-radius: var(--radius); overflow: hidden;
  aspect-ratio: 4/3; cursor: pointer;
}
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.portfolio-overlay {
  position: absolute; inset: 0; background: rgba(30,41,59,0.7);
  display: flex; flex-direction: column; justify-content: flex-end; padding: 1.5rem;
  opacity: 0; transition: opacity 0.3s;
}
.portfolio-item:hover .portfolio-overlay { opacity: 1; }
.portfolio-item:hover img { transform: scale(1.08); }
.portfolio-overlay h4 { color: #fff; font-family: 'DM Serif Display', serif; font-size: 1.2rem; }
.portfolio-overlay p { color: rgba(255,255,255,0.7); font-size: 0.8rem; }

/* === TESTIMONIALS === */
.testimonials { padding: 6rem 2rem; background: var(--card); }
.testimonials-grid {
  max-width: 1000px; margin: 0 auto;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem;
}
.testimonial-card {
  background: var(--background); border-radius: var(--radius); padding: 2rem;
  border: var(--border); transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-2px); }
.testimonial-stars { color: #F59E0B; margin-bottom: 1rem; display: flex; gap: 0.15rem; }
.testimonial-card blockquote { font-size: 0.95rem; color: var(--primary); line-height: 1.7; margin-bottom: 1.25rem; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 0.75rem; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--muted); display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 0.85rem; color: var(--secondary);
}
.testimonial-name { font-weight: 600; font-size: 0.85rem; }
.testimonial-role { font-size: 0.75rem; color: var(--secondary); }
.badges {
  max-width: 1000px; margin: 3rem auto 0; display: flex; gap: 1.5rem;
  justify-content: center; flex-wrap: wrap;
}
.badge {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--background); border: var(--border); padding: 0.6rem 1.25rem;
  border-radius: 2rem; font-size: 0.8rem; font-weight: 500; color: var(--secondary);
}
.badge svg { color: var(--accent); }

/* === CONTACT === */
.contact { padding: 6rem 2rem; background: var(--surface-dark); color: #fff; }
.contact-inner {
  max-width: 800px; margin: 0 auto; text-align: center;
}
.contact h2 { font-size: 2.8rem; margin-bottom: 1rem; }
.contact > .contact-inner > p { color: rgba(255,255,255,0.6); margin-bottom: 3rem; font-size: 1.05rem; }
.contact-form {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 2rem;
}
.contact-form input, .contact-form textarea {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm); padding: 1rem 1.25rem; color: #fff;
  font-family: 'Inter', sans-serif; font-size: 0.9rem; transition: border-color 0.2s;
  outline: none;
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,0.35); }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--accent); }
.contact-form textarea { grid-column: 1 / -1; resize: vertical; min-height: 120px; }
.contact-form .btn-primary { grid-column: 1 / -1; justify-content: center; }

/* === FOOTER === */
.site-footer {
  background: #181818; padding: 3rem 2rem; text-align: center;
  color: rgba(255,255,255,0.4); font-size: 0.85rem;
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 90;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25D366; color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(37,211,102,0.35); cursor: pointer;
  animation: whatsapp-bounce 2s infinite;
}
.whatsapp-float:hover { animation: none; transform: scale(1.12); box-shadow: 0 6px 24px rgba(37,211,102,0.5); transition: var(--transition); }
@keyframes whatsapp-bounce {
  0%, 100% { transform: translateY(0); }
  8%  { transform: translateY(-12px); }
  16% { transform: translateY(0); }
  24% { transform: translateY(-10px); }
  32% { transform: translateY(0); }
  40% { transform: translateY(-8px); }
  48% { transform: translateY(0); }
  56% { transform: translateY(-5px); }
  64% { transform: translateY(0); }
  72% { transform: translateY(-3px); }
  80% { transform: translateY(0); }
}

/* === ANIMATIONS === */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.5s cubic-bezier(0,.01,.38,.95), transform 0.5s cubic-bezier(0,.01,.38,.95); }
.fade-up.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  .scroll-indicator { animation: none; }
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .hero h1 { font-size: 3.2rem; }
  .hero-content { margin: 0 auto; text-align: center; }
  .hero p { margin: 0 auto 2.5rem; }
  .hero-buttons { justify-content: center; }
  .services-grid, .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .process-steps::before { display: none; }
}
@media (max-width: 768px) {
  .header-nav { display: none; }
  .mobile-toggle { display: block; }
  .header-nav.open {
    display: flex; flex-direction: column; position: absolute;
    top: 100%; left: 0; right: 0; background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px); padding: 1.5rem; border-radius: 0 0 var(--radius) var(--radius);
    border: var(--border); border-top: none; gap: 1rem;
  }
  .hero { padding: 7rem 1.5rem 3rem; }
  .hero h1 { font-size: 2.5rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 2rem; }
  .services-grid, .portfolio-grid, .testimonials-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 2.2rem; }
}