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

:root {
  --red: #E30613;
  --black: #0A0A0A;
  --white: #FAFAFA;
  --gray-100: #F0F0F0;
  --gray-300: #C4C4C4;
  --gray-500: #808080;
  --gray-700: #3A3A3A;
  --green: #25D366;
  --font-sans: 'IBM Plex Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --grid-gap: 2rem;
  --page-pad: clamp(1.5rem, 5vw, 6rem);
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem var(--page-pad);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.3s, border-color 0.3s;
}

nav .logo {
  font-weight: 700; font-size: 0.85rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-decoration: none; color: var(--white);
  transition: color 0.3s;
}
nav .logo span { color: var(--red); }

nav ul { list-style: none; display: flex; gap: 2.5rem; }

nav ul a {
  font-size: 0.8rem; font-weight: 500;
  letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; color: rgba(255,255,255,0.7); position: relative;
  transition: color 0.3s;
}
nav ul a:hover, nav ul a.active { color: var(--white); }
nav ul a::after {
  content: ''; position: absolute; bottom: -3px; left: 0;
  width: 0; height: 2px; background: var(--red); transition: width 0.25s ease;
}
nav ul a:hover::after, nav ul a.active::after { width: 100%; }

/* Nav scrolled state */
nav.scrolled {
  background: var(--white);
  border-bottom-color: var(--black);
}
nav.scrolled .logo { color: var(--black); }
nav.scrolled ul a { color: var(--black); }
nav.scrolled ul a:hover, nav.scrolled ul a.active { color: var(--black); }

/* ── HAMBURGER ── */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  margin-right: -0.5rem;
  position: relative;
  width: 32px;
  height: 24px;
}

.nav-toggle .bar {
  display: block;
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle .bar:nth-child(1) { top: 0; }
.nav-toggle .bar:nth-child(2) { top: 50%; transform: translateY(-50%); }
.nav-toggle .bar:nth-child(3) { bottom: 0; }

/* Hamburger X state */
.nav-toggle.open .bar:nth-child(1) { top: 50%; transform: translateY(-50%) rotate(45deg); }
.nav-toggle.open .bar:nth-child(2) { opacity: 0; }
.nav-toggle.open .bar:nth-child(3) { bottom: 50%; transform: translateY(50%) rotate(-45deg); }

/* Scrolled hamburger color */
nav.scrolled .nav-toggle .bar { background: var(--black); }

/* ── MOBILE NAV ── */
@media (max-width: 600px) {
  .nav-toggle { display: block; }

  nav {
    flex-wrap: wrap;
  }

  nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    width: 100%;
    order: 3;
    padding-top: 1.5rem;
    padding-bottom: 0.5rem;
  }

  nav ul.open {
    display: flex;
  }

  nav ul li {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  nav ul a {
    display: block;
    padding: 1rem 0;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
  }

  nav ul a:hover, nav ul a.active {
    color: var(--white);
  }

  nav ul a::after { display: none; }

  /* Scrolled mobile menu borders */
  nav.scrolled ul li {
    border-top-color: var(--gray-300);
  }

  nav.scrolled ul a {
    color: var(--gray-700);
  }

  nav.scrolled ul a:hover, nav.scrolled ul a.active {
    color: var(--black);
  }
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap);
  align-items: end;
  padding: 7rem var(--page-pad) 4rem;
  overflow: hidden;
}

@media (min-width: 900px) { .hero { grid-template-columns: 1fr 1fr; } }

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--hero-image) center center / cover no-repeat;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.6) 0%,
    rgba(10, 10, 10, 0.78) 50%,
    rgba(10, 10, 10, 0.92) 100%
  );
  z-index: 1;
}

.hero > * { position: relative; z-index: 2; }

.hero-text { align-self: end; }

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 6rem); font-weight: 700;
  line-height: 0.95; letter-spacing: -0.03em; margin-bottom: 1.5rem;
  color: var(--white);
}
.hero h1 em { font-style: normal; color: var(--red); }

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.2rem); font-weight: 300;
  line-height: 1.6; max-width: 36ch; color: rgba(255,255,255,0.7); margin-bottom: 2rem;
}

.hero-meta {
  align-self: end; display: flex; flex-direction: column; gap: 0.25rem;
  border-top: 2px solid rgba(255,255,255,0.2); padding-top: 1rem;
}
.hero-meta span { font-family: var(--font-mono); font-size: 0.75rem; color: rgba(255,255,255,0.4); letter-spacing: 0.04em; }
.hero-meta strong { font-weight: 600; color: var(--white); font-size: 0.85rem; }

/* ── BUTTONS ── */
.cta {
  display: inline-flex; align-items: center; gap: 0.75rem;
  padding: 0.9rem 2rem; font-family: var(--font-sans); font-size: 0.8rem;
  font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase;
  text-decoration: none; border: none; cursor: pointer; transition: all 0.2s;
}

.cta-whatsapp { background: var(--green); color: var(--white); }
.cta-whatsapp:hover { background: #1ebe57; }

.wa-icon { width: 18px; height: 18px; fill: var(--white); flex-shrink: 0; }

.cta-red { background: var(--red); color: var(--white); }
.cta-red:hover { background: #c00510; }

.cta .arrow { font-size: 1.1rem; transition: transform 0.2s; }
.cta:hover .arrow { transform: translateX(4px); }

/* ── STAT BAR ── */
.stat-bar {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  background: var(--black); border-top: 2px solid var(--red);
  padding: 0 var(--page-pad);
}
.stat-bar .stat { padding: 2rem 1.5rem; border-right: 1px solid var(--gray-700); color: var(--white); }
.stat-bar .stat:last-child { border-right: none; }
.stat .number { display: block; font-size: 2rem; font-weight: 700; line-height: 1; margin-bottom: 0.4rem; }
.stat .number span { color: var(--red); }
.stat .label { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-500); }

/* ── SHARED SECTION HEAD ── */
.section-head { display: grid; grid-template-columns: 1fr; gap: 1rem; margin-bottom: 4rem; }
@media (min-width: 900px) { .section-head { grid-template-columns: auto 1fr; gap: 3rem; align-items: end; } }
.section-head .index {
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gray-500); white-space: nowrap; padding-bottom: 0.2rem;
}
.section-head h2 {
  font-size: clamp(1.8rem, 4vw, 3rem); font-weight: 700;
  line-height: 1.05; letter-spacing: -0.02em; border-bottom: 2px solid var(--black); padding-bottom: 1rem;
}

/* ── SERVICES ── */
.services { padding: 6rem var(--page-pad); }
.services-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0; }
.service-card { border: 1px solid var(--gray-300); padding: 2rem; transition: background 0.2s; }
.service-card:hover { background: var(--gray-100); }
.service-card .card-num { font-family: var(--font-mono); font-size: 0.65rem; color: var(--red); letter-spacing: 0.08em; margin-bottom: 1rem; }
.service-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.service-card p { font-size: 0.85rem; color: var(--gray-700); line-height: 1.5; }

/* ── HOW ── */
.how { padding: 6rem var(--page-pad); background: var(--gray-100); }
.how-content { max-width: 56ch; }
.how-content p { font-size: 1.05rem; font-weight: 300; line-height: 1.7; color: var(--gray-700); margin-bottom: 1rem; }
.how-content p strong { font-weight: 600; color: var(--black); }

/* ── PRICING ── */
.pricing { padding: 6rem var(--page-pad); }
.pricing-box { display: grid; grid-template-columns: 1fr; gap: var(--grid-gap); margin-top: 3rem; }
@media (min-width: 900px) { .pricing-box { grid-template-columns: 1fr 1fr; } }
.pricing-detail { border: 2px solid var(--black); padding: 3rem; }
.pricing-detail h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; }
.pricing-detail p { font-size: 0.95rem; color: var(--gray-700); line-height: 1.6; margin-bottom: 1.5rem; }
.pricing-cta { background: var(--gray-100); border-color: var(--gray-300); }
.turnaround {
  display: inline-flex; align-items: center; gap: 0.5rem;
  background: var(--black); color: var(--white); padding: 0.6rem 1.2rem;
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase;
}
.turnaround .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); animation: pulse 1.5s ease infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* ── CONTACT ── */
.contact { background: var(--black); color: var(--white); padding: 6rem var(--page-pad) 4rem; }
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 3rem; margin-top: 3rem; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr 1fr 1fr; } }
.contact-block .block-label {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--gray-500); margin-bottom: 0.75rem;
}
.contact-block a, .contact-block p { font-size: 0.95rem; color: var(--gray-300); text-decoration: none; line-height: 1.7; }
.contact-block a:hover { color: var(--red); }
.contact-block .name { font-weight: 600; color: var(--white); font-size: 1rem; margin-bottom: 0.25rem; }

.wa-cta-block {
  border: 1px solid var(--gray-700); padding: 2.5rem; margin-top: 3rem;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
}
.wa-cta-block .wa-text h3 { font-size: 1.3rem; font-weight: 700; color: var(--white); margin-bottom: 0.4rem; }
.wa-cta-block .wa-text p { font-size: 0.85rem; color: var(--gray-500); }

/* ── FOOTER ── */
footer {
  border-top: 1px solid var(--gray-700);
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  padding: 1.5rem var(--page-pad); background: var(--black);
}
footer span { font-family: var(--font-mono); font-size: 0.65rem; color: var(--gray-500); letter-spacing: 0.04em; }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .stat-bar .stat { padding: 1.5rem 1rem; border-right: none; border-bottom: 1px solid var(--gray-700); }
  .stat-bar .stat:last-child { border-bottom: none; }
  .wa-cta-block { flex-direction: column; align-items: flex-start; }
}