/* =========================
   RESET
========================= */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f9fc;
  color: #0f172a;
  line-height: 1.6;
}

/* =========================
   GLOBAL
========================= */

:root {
  --navy: #062b63;
  --aqua: #16b8c9;
  --white: #ffffff;
  --gray: #64748b;
  --light: #eef5f9;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.section {
  padding: 90px 0;
}

.section-heading {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  color: var(--aqua);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-heading h2 {
  margin-top: 12px;
  font-size: 2.2rem;
  color: var(--navy);
}

/* =========================
   BUTTONS
========================= */

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: 0.3s ease;
}

.btn-primary {
  background: var(--navy);
  color: white;
}

.btn-primary:hover {
  background: var(--aqua);
}

.btn-secondary {
  border: 2px solid var(--navy);
  color: var(--navy);
}

.btn-secondary:hover {
  background: var(--navy);
  color: white;
}

/* =========================
   HEADER
========================= */

.header {
  background: white;
  border-bottom: 1px solid #dbe4ee;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 90px;
}

.logo img {
  width: 140px;
}

.nav {
  display: flex;
  gap: 20px;
}

.nav a {
  text-decoration: none;
  color: var(--navy);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--navy);
  cursor: pointer;
}

/* =========================
   ABOUT
========================= */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-content h1 {
  font-size: 3rem;
  color: var(--navy);
  margin: 15px 0 20px;
}

.about-content p {
  color: var(--gray);
  margin-bottom: 20px;
}

.about-buttons {
  display: flex;
  gap: 16px;
  margin-top: 30px;
}

.about-image img {
  width: 100%;
  border-radius: 24px;
  object-fit: cover;
}

/* =========================
   SERVICES
========================= */

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

.service-card {
  background: white;
  padding: 35px;
  border-radius: 20px;
  transition: 0.3s ease;
  border: 1px solid #dce7f0;
}

.service-card:hover {
  transform: translateY(-5px);
}

.service-card i {
  font-size: 2rem;
  color: var(--aqua);
  margin-bottom: 20px;
}

.service-card h3 {
  margin-bottom: 15px;
  color: var(--navy);
}

.service-card p {
  color: var(--gray);
}

/* =========================
   EQUIPMENT
========================= */

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

.equipment-card {
  background: white;
  border-radius: 20px;
  overflow: hidden;
}

.equipment-card img {
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.equipment-card h3 {
  padding: 24px;
  color: var(--navy);
}

/* =========================
   TESTIMONIALS
========================= */

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

.testimonial-card {
  background: white;
  padding: 35px;
  border-radius: 20px;
  border: 1px solid #dce7f0;
}

.testimonial-card p {
  color: var(--gray);
  margin-bottom: 20px;
}

.testimonial-card h4 {
  color: var(--navy);
}

/* =========================
   CTA
========================= */

.cta-box {
  background: linear-gradient(135deg, var(--navy), var(--aqua));
  color: white;
  text-align: center;
  padding: 70px 30px;
  border-radius: 24px;
}

.cta-box h2 {
  font-size: 2.3rem;
  margin-bottom: 20px;
}

.cta-box p {
  margin-bottom: 30px;
}

/* =========================
   FOOTER
========================= */

.footer {
  background: #031633;
  color: white;
  padding-top: 70px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 40px;
}

.footer-logo {
  width: 140px;
  margin-bottom: 20px;
}

.footer h3 {
  margin-bottom: 20px;
}

.footer ul {
  list-style: none;
}

.footer li {
  margin-bottom: 12px;
}

.footer a {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  margin-top: 50px;
  text-align: center;
  padding: 20px;
}

/* =========================
   WHATSAPP
========================= */

.whatsapp-button {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 62px;
  height: 62px;
  background: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  text-decoration: none;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  z-index: 999;
}

/* =========================
   ANIMATIONS
========================= */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 992px) {

  .services-grid,
  .equipment-grid,
  .testimonials-grid,
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-content h1 {
    font-size: 2.3rem;
  }
}

@media (max-width: 768px) {

  .nav {
    position: absolute;
    top: 90px;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 20px;
    display: none;
    border-top: 1px solid #dbe4ee;
  }

  .nav.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .about-buttons {
    flex-direction: column;
  }

  .footer-grid {
    flex-direction: column;
  }

  .section-heading h2 {
    font-size: 1.8rem;
  }

  .cta-box h2 {
    font-size: 1.8rem;
  }
}