/* ===== CUSTOM STYLES ===== */

/* Base reset & smooth scrolling */
html {
  scroll-behavior: smooth;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== NAVBAR ===== */
#navbar {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

#navbar.scrolled {
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

/* ===== MOBILE MENU ===== */
.mobile-link {
  position: relative;
}

.mobile-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #fbbf24;
  transition: width 0.2s ease;
}

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

/* ===== HERO GEOMETRIC SHAPES ===== */
.geo-shape {
  position: absolute;
  opacity: 0.15;
  pointer-events: none;
}

.shape-circle-1 {
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, #14b8a6 0%, transparent 70%);
  top: 10%;
  right: -5%;
  animation: float-slow 8s ease-in-out infinite;
}

.shape-circle-2 {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, #fbbf24 0%, transparent 70%);
  bottom: 20%;
  right: 15%;
  animation: float-slow 6s ease-in-out infinite reverse;
}

.shape-rect-1 {
  width: 120px;
  height: 120px;
  background: #0d9488;
  border-radius: 24px;
  top: 30%;
  right: 5%;
  transform: rotate(45deg);
  animation: spin-slow 20s linear infinite;
}

.shape-triangle-1 {
  width: 0;
  height: 0;
  border-left: 60px solid transparent;
  border-right: 60px solid transparent;
  border-bottom: 104px solid #f59e0b;
  bottom: 30%;
  left: 5%;
  opacity: 0.1;
  animation: float-slow 7s ease-in-out infinite;
}

/* ===== ANIMATIONS ===== */
@keyframes float-slow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes spin-slow {
  from { transform: rotate(45deg); }
  to { transform: rotate(405deg); }
}

/* ===== SCROLL REVEAL ===== */
/* Default state: visible (progressive enhancement) */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

  /* Staggered delays */
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #0f172a;
}

::-webkit-scrollbar-thumb {
  background: #14b8a6;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #2dd4bf;
}

/* ===== FORM FOCUS STYLES ===== */
input:focus,
textarea:focus {
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

/* ===== SELECTION ===== */
::selection {
  background: #14b8a6;
  color: white;
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .geo-shape {
    animation: none !important;
  }
}

/* ===== RESPONSIVE TWEAKS ===== */
@media (max-width: 640px) {
  .shape-circle-1 {
    width: 250px;
    height: 250px;
  }

  .shape-circle-2 {
    width: 120px;
    height: 120px;
  }

  .shape-rect-1 {
    width: 80px;
    height: 80px;
  }
}