/* ============ Tokens ============ */
:root {
  --blue-900: #0e2451;
  --blue-800: #14336b;
  --blue-700: #1b3e8c;
  --blue-600: #2450ab;
  --blue-500: #3a68c9;
  --blue-50: #eef2fb;
  --gray-700: #4a5266;
  --gray-500: #6b7385;
  --gray-300: #d7dbe4;
  --gray-100: #f5f7fb;
  --white: #ffffff;
  --ink: #16192a;

  --font-head: "Poppins", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;

  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 10px rgba(14, 36, 81, 0.08);
  --shadow-md: 0 10px 30px rgba(14, 36, 81, 0.12);
  --container-w: 1160px;
}

/* ============ Reset ============ */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
h1, h2, h3 { font-family: var(--font-head); line-height: 1.2; }

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

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease;
  white-space: nowrap;
  border: 2px solid transparent;
  cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--blue-500); outline-offset: 2px; }

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  padding: 10px 18px;
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}
.btn-whatsapp:hover { box-shadow: 0 8px 20px rgba(37, 211, 102, 0.35); }
.btn-whatsapp .icon { width: 18px; height: 18px; fill: currentColor; }

.btn-primary {
  background: #fff;
  color: var(--blue-700);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.btn-primary:hover { box-shadow: 0 14px 34px rgba(0,0,0,0.28); }

.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.55);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

/* ============ Header ============ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
  padding: 18px 0;
}
.site-header.scrolled {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-logo { height: 44px; width: auto; border-radius: 8px; transition: height 0.25s ease; }
.site-header.scrolled .brand-logo { height: 36px; }

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-link {
  font-weight: 600;
  font-size: 0.92rem;
  color: #fff;
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}
.site-header.scrolled .nav-link { color: var(--ink); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 2px;
  background: currentColor;
  transition: width 0.2s ease;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link:hover { color: var(--blue-500); }
.site-header.scrolled .nav-link:hover { color: var(--blue-700); }

.header-actions { display: flex; align-items: center; gap: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px; height: 38px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease, background 0.25s ease;
}
.site-header.scrolled .nav-toggle span { background: var(--ink); }
.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 {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(circle at 15% 15%, rgba(255,255,255,0.08), transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(255,255,255,0.06), transparent 50%),
    linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 55%, var(--blue-600) 100%);
  z-index: -2;
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}
.hero-inner { max-width: 760px; padding-top: 110px; padding-bottom: 60px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.75);
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight: 700;
  margin-bottom: 20px;
}
.hero h1 span { color: #9fc0ff; }
.hero-lead {
  font-size: 1.08rem;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* ============ Trust strip ============ */
.trust-strip {
  background: var(--blue-50);
  border-bottom: 1px solid var(--gray-300);
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 28px 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  color: var(--blue-800);
  font-size: 0.95rem;
  text-align: center;
}
.trust-item .icon-lg { width: 26px; height: 26px; fill: var(--blue-600); flex-shrink: 0; }

/* ============ Sections ============ */
.section { padding: 96px 0; }
.section-alt { background: var(--gray-100); }
.section-dark {
  background: linear-gradient(160deg, var(--blue-900), var(--blue-700));
  color: #fff;
}
.section-tag {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--blue-600);
  margin-bottom: 14px;
}
.section-tag-light { color: #9fc0ff; }
.section-heading { max-width: 640px; margin-bottom: 52px; }
.section-heading h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; }
.section-lead { margin-top: 14px; color: var(--gray-500); font-size: 1.02rem; }
.section-dark .section-lead { color: rgba(255,255,255,0.75); }

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
.about-text h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 700; margin-bottom: 20px; }
.about-text p { color: var(--gray-700); font-size: 1.03rem; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat-card {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.stat-card strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.5rem;
  color: var(--blue-700);
  margin-bottom: 8px;
}
.stat-card span { color: var(--gray-500); font-size: 0.9rem; }

/* ============ Services ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: #fff;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}
.service-card .icon-lg {
  width: 44px; height: 44px;
  fill: var(--blue-600);
  margin-bottom: 18px;
}
.service-card h3 { font-size: 1.08rem; margin-bottom: 10px; font-weight: 600; }
.service-card p { color: var(--gray-500); font-size: 0.94rem; }

/* ============ Why choose us ============ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.why-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  backdrop-filter: blur(4px);
}
.why-number {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.6rem;
  color: #9fc0ff;
  margin-bottom: 14px;
}
.why-card h3 { font-size: 1.1rem; margin-bottom: 10px; font-weight: 600; }
.why-card p { color: rgba(255,255,255,0.78); font-size: 0.94rem; }

.quote-band {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 44px;
}
.quote-band p { color: rgba(255,255,255,0.85); font-size: 1.05rem; max-width: 620px; margin: 0 auto; }
.quote-highlight {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #fff;
  margin-top: 12px;
  letter-spacing: 0.02em;
}

/* ============ Contact ============ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.contact-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}
.contact-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  background: var(--blue-700);
  color: #fff;
}
.contact-card:hover .icon-lg { fill: #fff; }
.contact-card .icon-lg { width: 30px; height: 30px; fill: var(--blue-600); transition: fill 0.22s ease; }
.contact-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; opacity: 0.7; }
.contact-value { font-weight: 700; font-size: 1.05rem; }

/* ============ Footer ============ */
.site-footer { background: var(--blue-900); color: rgba(255,255,255,0.85); padding-top: 56px; }
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo { height: 40px; border-radius: 6px; margin-bottom: 12px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; max-width: 280px; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 10px; }
.footer-nav a, .footer-contact a { color: rgba(255,255,255,0.75); font-size: 0.92rem; transition: color 0.2s ease; }
.footer-nav a:hover, .footer-contact a:hover { color: #fff; }
.footer-bottom { padding: 22px 24px; text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.5); }

/* ============ Scroll reveal ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 780px) {
  .nav-toggle { display: flex; }
  .nav {
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 26px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: -10px 0 30px rgba(0,0,0,0.15);
  }
  .nav.open { transform: translateX(0); }
  .nav-link { color: var(--ink); font-size: 1.05rem; }
  .btn-whatsapp { display: none; }
  .services-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .trust-grid { grid-template-columns: 1fr; }
  .hero-cta { flex-direction: column; align-items: flex-start; }
  .hero-cta .btn { width: 100%; justify-content: center; }
}