:root {
  --red: #d83a3a;
  --green: #3ad869;
  --heading: #00102e;
  --text: #233452;
  --muted: #868990;
  --bg: #f7f7f7;
  --white: #fff;
  --header-h: 78px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Raleway, sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.container {
  width: min(1140px, calc(100% - 40px));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--white);
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.logo img {
  height: 40px;
  width: auto;
  background: #000;
}

.mainnav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 600;
}

.mainnav a:hover {
  color: var(--red);
}

.nav-phone {
  color: var(--red) !important;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--heading);
  margin: 0 auto;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
}

.hero-bg,
.hero-overlay,
.cta-bg,
.cta-overlay {
  position: absolute;
  inset: 0;
}

.hero-bg,
.cta-bg {
  background-size: cover;
  background-position: center;
}

.hero-overlay {
  background: rgba(0, 0, 0, 0.62);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 20px 60px;
}

.hero h1 {
  font-size: clamp(34px, 6vw, 57px);
  line-height: 1.15;
  font-weight: 700;
  letter-spacing: 1px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
  display: inline-block;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
}

.hero-phone {
  font-size: clamp(22px, 3.2vw, 30px);
  font-weight: 300;
  letter-spacing: 1px;
  padding: 22px 0 36px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

.hero-phone a:hover {
  color: #ffd7d7;
}

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-radius: 2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn-primary {
  background: var(--red);
  color: var(--white);
  font-size: 13px;
  padding: 14px 38px;
}

.btn-green {
  background: #61ce70;
  color: var(--white);
  font-size: 13px;
  padding: 17px 39px;
}

.btn-small {
  background: var(--red);
  color: var(--white);
  font-size: 13px;
  padding: 10px 20px;
  margin-top: 12px;
}

.btn:hover {
  transform: scale(1.04);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

/* About / cards */
.about {
  background: var(--bg);
  padding: 100px 0;
  text-align: center;
}

.about h2 {
  color: var(--heading);
  font-size: clamp(28px, 4vw, 42px);
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: 16px;
}

.lead {
  color: var(--muted);
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 56px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  text-align: left;
}

.card {
  background: var(--white);
  padding: 50px 31px;
  box-shadow: 0 11px 40px rgba(79, 118, 157, 0.1);
}

.icon {
  width: 84px;
  height: 84px;
  background: #3ad86987;
  color: var(--red);
  display: grid;
  place-items: center;
  margin-bottom: 26px;
}

.icon svg {
  width: 36px;
  height: 36px;
}

.card h3 {
  color: var(--heading);
  font-size: 22px;
  margin-bottom: 16px;
}

.card p {
  color: var(--muted);
  font-size: 15px;
}

/* CTA */
.cta {
  position: relative;
  min-height: 450px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--white);
}

.cta-overlay {
  background: rgba(0, 0, 0, 0.45);
}

.cta-content {
  position: relative;
  z-index: 1;
  padding: 80px 20px;
}

.cta h2 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
  margin-bottom: 32px;
  font-weight: 700;
}

/* Footer */
.site-footer {
  background: #111;
  color: #cfcfcf;
  padding: 50px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 40px;
  padding-bottom: 36px;
}

.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 16px;
  background: #000;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-contact h3 {
  color: var(--white);
  margin-bottom: 6px;
}

.footer-contact a:hover {
  color: var(--white);
}

.copyright {
  border-top: 1px solid #2a2a2a;
  text-align: center;
  padding: 16px;
  font-size: 13px;
  color: #888;
}

/* WhatsApp float */
.wa-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: var(--white);
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
  z-index: 99;
}

.wa-float svg {
  width: 32px;
  height: 32px;
}

.wa-float:hover {
  transform: scale(1.06);
}

@media (max-width: 900px) {
  .cards,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: flex;
  }

  .mainnav {
    display: none;
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 16px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  }

  .mainnav.open {
    display: flex;
  }

  .about,
  .cta-content {
    padding: 70px 0;
  }

  .card {
    margin: 0;
  }
}