/* ---------- Reset & Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--gray-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3 { font-family: 'Poppins', 'Inter', sans-serif; font-weight: 700; margin: 0 0 .5em; line-height: 1.15; color: var(--black); }
p { margin: 0 0 1em; }

:root {
  --black: #111113;
  --near-black: #1a1a1c;
  --red: #e21f26;
  --red-dark: #b8181e;
  --white: #ffffff;
  --off-white: #f7f6f6;
  --gray: #6b6b70;
  --gray-dark: #2c2c2e;
  --border: #e9e8e8;
  --whatsapp: #25d366;
  --whatsapp-dark: #1eb257;
  --container-w: 1140px;
  --radius: 10px;
  --shadow: 0 10px 30px -12px rgba(0,0,0,.18);
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--red); color: var(--white); padding: .75em 1.2em; z-index: 999;
}
.skip-link:focus { left: 0; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 96px 0; }
@media (max-width: 720px) { .section { padding: 64px 0; } }

.eyebrow {
  color: var(--red);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .8rem;
  margin: 0 0 .6em;
}
.center { text-align: center; }
.section-sub { color: var(--gray); max-width: 560px; margin-left: auto; margin-right: auto; }
h2.center, .eyebrow.center { margin-left: auto; margin-right: auto; }
.services h2, .why-us h2, .contact h2 { margin-bottom: .3em; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .55em;
  padding: .8em 1.5em;
  border-radius: 100px;
  font-weight: 600;
  font-size: .95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: var(--white); box-shadow: 0 8px 20px -6px rgba(226,31,38,.55); }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { border-color: rgba(255,255,255,.6); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,.12); }
.btn-lg { padding: 1em 1.9em; font-size: 1.02rem; }
.btn-call { background: var(--black); color: var(--white); padding: .6em 1.1em; font-size: .9rem; }
.btn-call:hover { background: var(--red); }
.btn-whatsapp { background: var(--whatsapp); color: var(--white); }
.btn-whatsapp:hover { background: var(--whatsapp-dark); }
.header-whatsapp { padding: .6em 1.1em; font-size: .9rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  background: rgba(17,17,19,0);
  transition: background-color .25s ease, box-shadow .25s ease, padding .25s ease;
  padding: 18px 0;
}
.site-header.scrolled {
  background: rgba(17,17,19,.96);
  box-shadow: 0 6px 24px -10px rgba(0,0,0,.5);
  padding: 10px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-text { color: var(--white); font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1.05rem; }
.logo-text strong { font-weight: 700; }
.main-nav { display: flex; gap: 32px; }
.main-nav a { color: rgba(255,255,255,.85); font-weight: 500; font-size: .95rem; transition: color .15s ease; }
.main-nav a:hover { color: var(--white); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-call span { display: inline; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: transparent; border: none; cursor: pointer;
  padding: 0;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: var(--white); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.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); }

@media (max-width: 860px) {
  .main-nav {
    position: fixed; top: 0; right: 0; height: 100vh; width: min(78vw, 320px);
    background: var(--near-black);
    flex-direction: column;
    padding: 100px 32px 32px;
    gap: 26px;
    transform: translateX(100%);
    transition: transform .3s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav a { font-size: 1.1rem; }
  .nav-toggle { display: flex; }
  .header-call span, .header-whatsapp span { display: none; }
  .header-call, .header-whatsapp { padding: .7em; border-radius: 50%; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--black);
}
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,11,.75) 0%, rgba(10,10,11,.6) 45%, rgba(10,10,11,.92) 100%);
}
.hero-content { position: relative; z-index: 2; padding-top: 120px; padding-bottom: 60px; }
.hero h1 {
  color: var(--white);
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  max-width: 15ch;
  margin-bottom: .35em;
}
.text-red { color: var(--red); }
.hero-sub { color: rgba(255,255,255,.82); font-size: 1.1rem; max-width: 52ch; margin-bottom: 1.8em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--black); padding: 34px 0; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.trust-item { display: flex; align-items: center; gap: 14px; color: var(--white); }
.trust-item svg { width: 34px; height: 34px; color: var(--red); flex-shrink: 0; }
.trust-item div { display: flex; flex-direction: column; line-height: 1.3; }
.trust-item strong { font-family: 'Poppins', sans-serif; font-size: 1rem; }
.trust-item span { color: rgba(255,255,255,.65); font-size: .85rem; }
@media (max-width: 860px) { .trust-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: center; }
.about-visual { display: flex; justify-content: center; }
.about-card {
  background: var(--black);
  color: var(--white);
  border-radius: 24px;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.about-card::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(226,31,38,.35), transparent 60%);
}
.about-card > * { position: relative; }
.about-card-years { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 4.5rem; line-height: 1; margin-top: .2em; }
.about-card-label { color: rgba(255,255,255,.7); font-size: .95rem; letter-spacing: .03em; }
.about-copy h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.about-copy p { color: var(--gray); }
.checklist { margin-top: 1.4em; display: grid; gap: .7em; }
.checklist li { position: relative; padding-left: 1.8em; color: var(--gray-dark); font-weight: 500; }
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: .15em;
  width: 1.2em; height: 1.2em;
  background: var(--red);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 13 4 4 10-10' stroke='%23000' stroke-width='2.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='m5 13 4 4 10-10' stroke='%23000' stroke-width='2.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / contain no-repeat;
}
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; gap: 40px; } .about-visual { order: -1; } .about-card { max-width: 220px; } }

/* ---------- Services ---------- */
.services { background: var(--off-white); }
.services-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.service-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  background: rgba(226,31,38,.1);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
}
.service-icon svg { width: 26px; height: 26px; color: var(--red); }
.service-card h3 { font-size: 1.15rem; margin-bottom: .4em; }
.service-card p { color: var(--gray); font-size: .95rem; margin: 0; }
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

/* ---------- Why us / steps ---------- */
.steps-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.step { position: relative; padding-top: 8px; }
.step-num {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--red);
  opacity: .9;
  margin-bottom: .2em;
}
.step h3 { font-size: 1.1rem; margin-bottom: .35em; }
.step p { color: var(--gray); font-size: .93rem; margin: 0; }
@media (max-width: 860px) { .steps-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- CTA banner ---------- */
.cta-banner { background: var(--black); padding: 64px 0; }
.cta-banner-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.cta-banner h2 { color: var(--white); margin: 0; font-size: clamp(1.4rem, 3vw, 2rem); max-width: 20ch; }

/* ---------- Contact ---------- */
.contact-grid {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin-left: auto; margin-right: auto;
}
.contact-card {
  display: flex; align-items: center; gap: 18px;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); background: var(--white); }
.contact-card svg { width: 30px; height: 30px; color: var(--red); flex-shrink: 0; }
.contact-card strong { display: block; font-family: 'Poppins', sans-serif; color: var(--black); font-size: 1.02rem; }
.contact-card span { color: var(--gray); font-size: .92rem; word-break: break-word; }
.contact-card-whatsapp svg { color: var(--whatsapp); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; max-width: 460px; } }

/* ---------- Footer ---------- */
.site-footer { background: var(--near-black); padding: 48px 0 100px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { color: rgba(255,255,255,.75); font-size: .92rem; }
.footer-links a:hover { color: var(--white); }
.footer-copy { width: 100%; color: rgba(255,255,255,.4); font-size: .8rem; margin: 24px 0 0; }
@media (max-width: 640px) { .site-footer { padding-bottom: 110px; } }

/* ---------- Sticky mobile call bar ---------- */
.mobile-call-bar {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 250;
  box-shadow: 0 -8px 24px -8px rgba(0,0,0,.4);
}
.mobile-bar-btn {
  flex: 1;
  display: flex;
  align-items: center; justify-content: center; gap: 10px;
  padding: 14px;
  font-weight: 600;
  color: var(--white);
}
.mobile-bar-call { background: var(--red); }
.mobile-bar-whatsapp { background: var(--whatsapp); }
@media (max-width: 640px) { .mobile-call-bar { display: flex; } }

/* ---------- Scroll animations ---------- */
.fade-in { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}