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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
}

/* ── Header ── */
#site-header {
  background: rgba(4, 8, 16, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

#site-header.scrolled {
  background: rgba(4, 8, 16, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

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

.menu-line {
  display: block;
}

body.menu-open .menu-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}
body.menu-open .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
body.menu-open .menu-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
  width: 1.5rem;
}

/* ── Hero ── */
.hero-shape {
  position: absolute;
  border-radius: 24px;
  will-change: transform;
}

.shape-1 {
  background: linear-gradient(135deg, #34d4b5, #28b89a);
  transform: rotate(45deg);
  animation: floatShape1 8s ease-in-out infinite;
}

.shape-2 {
  background: linear-gradient(135deg, #eab308, #facc15);
  border-radius: 50%;
  animation: floatShape2 10s ease-in-out infinite;
}

.shape-3 {
  background: linear-gradient(135deg, rgba(52, 212, 181, 0.6), rgba(40, 184, 154, 0.4));
  transform: rotate(30deg);
  animation: floatShape3 7s ease-in-out infinite;
}

.shape-4 {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.5), rgba(250, 204, 21, 0.3));
  border-radius: 50%;
  animation: floatShape4 9s ease-in-out infinite;
}

.shape-5 {
  background: linear-gradient(135deg, rgba(52, 212, 181, 0.4), rgba(40, 184, 154, 0.2));
  transform: rotate(60deg);
  animation: floatShape5 6s ease-in-out infinite;
}

.shape-6 {
  background: linear-gradient(135deg, rgba(234, 179, 8, 0.3), rgba(250, 204, 21, 0.15));
  border-radius: 50%;
  animation: floatShape6 11s ease-in-out infinite;
}

@keyframes floatShape1 {
  0%, 100% { transform: rotate(45deg) translate(0, 0) scale(1); }
  50% { transform: rotate(45deg) translate(20px, -30px) scale(1.05); }
}

@keyframes floatShape2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-15px, 20px) scale(1.08); }
}

@keyframes floatShape3 {
  0%, 100% { transform: rotate(30deg) translate(0, 0); }
  50% { transform: rotate(30deg) translate(25px, 15px); }
}

@keyframes floatShape4 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(10px, -20px); }
}

@keyframes floatShape5 {
  0%, 100% { transform: rotate(60deg) translate(0, 0); }
  50% { transform: rotate(60deg) translate(-15px, 10px); }
}

@keyframes floatShape6 {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(20px, -10px); }
}

.hero-content {
  animation: heroFadeIn 1s ease-out forwards;
}

@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scroll-indicator {
  animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 8px); }
}

/* ── Buttons ── */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.btn-primary:hover::after {
  opacity: 1;
}

.btn-secondary {
  backdrop-filter: blur(4px);
}

/* ── Service Cards ── */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #34d4b5, #eab308);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

/* ── Why Us Cards ── */
.why-card {
  position: relative;
}

.why-card:hover {
  transform: translateY(-4px);
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
  }

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

  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }
}

/* ── Back to Top ── */
#back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}

#back-to-top:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(52, 212, 181, 0.35);
}

/* ── Utility ── */
::selection {
  background: rgba(52, 212, 181, 0.3);
  color: #0A1628;
}

input:focus, select:focus, textarea:focus {
  outline: none;
}
</style>