/* ===== BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  overflow-x: hidden;
}

::selection {
  background: rgba(47, 168, 120, 0.15);
  color: #0a1422;
}

/* ===== NAV ===== */
#nav {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(10, 20, 34, 0.06);
}

#nav.scrolled {
  box-shadow: 0 1px 0 rgba(10, 20, 34, 0.06);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #2fa878;
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Mobile menu */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.closed {
  opacity: 0;
  pointer-events: none;
}

.mobile-link {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* Hamburger animation */
.menu-line {
  display: block;
  transition: all 0.3s ease;
}

#menuBtn.active .menu-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

#menuBtn.active .menu-line:nth-child(2) {
  opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 1.25rem;
}

/* ===== HERO ===== */
.hero-title {
  opacity: 1;
}

.hero-sub {
  opacity: 1;
}

.hero-ctas {
  opacity: 1;
}

.hero-img {
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.hero-img-wrapper:hover .hero-img {
  transform: scale(1.03);
}

/* ===== EYEBROW ===== */
.eyebrow {
  letter-spacing: 0.25em;
}

/* ===== BUTTONS ===== */
.btn-primary {
  letter-spacing: 0.15em;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-secondary {
  letter-spacing: 0.15em;
}

/* ===== INPUTS ===== */
.input-field {
  font-family: 'Inter', system-ui, sans-serif;
}

.input-field::placeholder {
  color: #a8b8cc;
}

select.input-field {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237c94b2' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0 center;
  padding-right: 2rem;
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  html {
    scroll-behavior: auto;
  }

  .hero-img {
    transition: none;
  }
}

/* ===== SERVICE CARDS ===== */
.service-card {
  position: relative;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, #2fa878, #89dbb8);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover::before {
  transform: scaleX(1);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #f0f4f8;
}

::-webkit-scrollbar-thumb {
  background: #d4dce6;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8b8cc;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 767px) {
  .hero-title {
    font-size: 2.75rem;
  }

  .hero-title span {
    font-size: 2.75rem;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-title {
    font-size: 3.5rem;
  }

  .hero-title span {
    font-size: 3.5rem;
  }
}