/* ===== BASE ===== */
:root {
  --primary: #2563EB;
  --dark: #0F172A;
  --accent: #22C55E;
  --bg: #F8FAFC;
  --text: #111827;
  --card-bg: #ffffff;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --radius: 20px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  padding-top: 76px;
}
/* ===== PRELOADER ===== */
#preloader {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--dark);
  z-index: 99999;
  transition: opacity 0.6s;
}
#preloader.hidden {
  opacity: 0;
  pointer-events: none;
}
/* ===== PROGRESS BAR ===== */
.progress-bar-custom {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 9999;
  width: 0%;
  transition: width 0.1s;
}
/* ===== BACK TO TOP ===== */
#backToTop {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  width: 50px;
  height: 50px;
  display: none;
  border-radius: 50%;
  background: var(--primary);
  border: none;
  transition: var(--transition);
}
#backToTop:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(37,99,235,0.4);
}
/* ===== NAVBAR ===== */
#mainNav {
  transition: var(--transition);
  padding: 16px 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}
#mainNav.navbar-solid {
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.15);
  padding: 10px 0;
}
.navbar-brand {
  font-size: 1.1rem;
  letter-spacing: 1px;
  color: #ffffff !important;
}
.nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-size: 0.95rem;
  padding: 8px 18px !important;
  border-radius: 50px;
  transition: var(--transition);
}
.nav-link:hover,
.nav-link.active {
  color: #ffffff !important;
  background: rgba(37,99,235,0.3);
}
/* ===== HERO ===== */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, #1a2a4a 50%, var(--dark) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.hero-section .container {
  position: relative;
  z-index: 2;
}
.hero-section h1 {
  color: #fff;
}
.hero-section .lead {
  color: rgba(255,255,255,0.7);
}
.typed-wrap {
  min-height: 70px;
}
.typed-text {
  color: var(--primary);
  font-weight: 600;
}
/* Floating Shapes */
.floating-shapes {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.08;
  animation: floatShape 20s infinite ease-in-out;
}
.shape-1 {
  width: 300px; height: 300px;
  background: var(--primary);
  top: -10%; right: 5%;
  animation-delay: 0s;
}
.shape-2 {
  width: 200px; height: 200px;
  background: var(--accent);
  bottom: 10%; left: 5%;
  animation-delay: -5s;
}
.shape-3 {
  width: 150px; height: 150px;
  background: #fff;
  top: 40%; left: 30%;
  animation-delay: -10s;
}
@keyframes floatShape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  border: none;
}
.btn-accent:hover {
  background: #16a34a;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(34,197,94,0.4);
}
/* ===== CARDS ===== */
.card-service {
  background: var(--card-bg);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
}
.card-service:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.project-card {
  transition: var(--transition);
  cursor: pointer;
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}
.social-card {
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
}
.social-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--shadow);
}
.contact-card {
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.05);
}
.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
/* ===== ADVENTURES HERO ===== */
.adventure-hero {
  min-height: 60vh;
  background: linear-gradient(135deg, #0F172A 0%, #1a3a5c 50%, #0F172A 100%);
  background-size: 400% 400%;
  animation: gradientShift 10s ease infinite;
  position: relative;
}
.adventure-hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg), transparent);
}
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
/* ===== THEME TOGGLE ===== */
.theme-toggle {
  transition: var(--transition);
  color: #fff !important;
}
.theme-toggle:hover {
  color: var(--primary);
  transform: rotate(20deg);
}
/* ===== DARK MODE ===== */
body.dark-mode {
  --bg: #0F172A;
  --text: #F8FAFC;
  --card-bg: #1e293b;
}

/* Background sections */
body.dark-mode .bg-light {
  background: #1a2332 !important;
}
body.dark-mode .bg-white {
  background: #1e293b !important;
}

/* Cards */
body.dark-mode .card,
body.dark-mode .contact-card,
body.dark-mode .social-card,
body.dark-mode .card-service {
  background: #1e293b !important;
  color: #e2e8f0;
  border-color: #2d3a4f;
}

/* Text colors */
body.dark-mode .text-secondary {
  color: #94a3b8 !important;
}
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
  color: #F8FAFC;
}
body.dark-mode p,
body.dark-mode span,
body.dark-mode .lead {
  color: #cbd5e1;
}
body.dark-mode .fw-semibold {
  color: #F8FAFC !important;
}
body.dark-mode .text-dark {
  color: #F8FAFC !important;
}
body.dark-mode .text-primary {
  color: #3b82f6 !important;
}

/* Navbar */
body.dark-mode #mainNav {
  background: rgba(15, 23, 42, 0.98) !important;
}
body.dark-mode .navbar-brand {
  color: #ffffff !important;
}
body.dark-mode .nav-link {
  color: rgba(255,255,255,0.85) !important;
}
body.dark-mode .nav-link:hover,
body.dark-mode .nav-link.active {
  color: #ffffff !important;
  background: rgba(37,99,235,0.3);
}

/* Timeline specific fixes */
body.dark-mode #journey .bg-white,
body.dark-mode .border-start.bg-white {
  background: #1e293b !important;
  border-color: #2d3a4f !important;
}
body.dark-mode #journey p,
body.dark-mode .border-start p {
  color: #cbd5e1 !important;
}
body.dark-mode .badge.bg-primary {
  background: #2563EB !important;
  color: #fff !important;
}

/* Footer */
body.dark-mode footer {
  background: #0a0f1a !important;
}

/* Form controls */
body.dark-mode .form-control {
  background: #1e293b;
  border-color: #2d3a4f;
  color: #F8FAFC;
}
body.dark-mode .form-control::placeholder {
  color: #94a3b8;
}
body.dark-mode .form-control:focus {
  background: #1e293b;
  border-color: #2563EB;
  color: #F8FAFC;
  box-shadow: 0 0 0 0.25rem rgba(37,99,235,0.25);
}