@import url('https://fonts.googleapis.com/css2?family=Lato:ital,wght@0,300;0,400;0,700;0,900;1,300;1,400;1,700;1,900&family=Space+Grotesk:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  --bg-page: #070a17;
  --bg-card: #0f172a;
  --bg-header: rgba(7, 10, 23, 0.95);
  --border-color: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --brand-blue: #2563eb;
  --brand-orange: #ea580c;
}

html.dark {
  --bg-page: #070a17;
  --bg-card: #0f172a;
  --bg-header: rgba(7, 10, 23, 0.95);
  --border-color: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
}

body {
  font-family: 'Lato', sans-serif;
  background-color: #070a17;
  color: #f8fafc;
  transition: background-color 0.3s ease, color 0.3s ease;
  overflow-x: hidden;
}

.font-heading {
  font-family: 'Space Grotesk', 'Lato', sans-serif;
  letter-spacing: 0.02em;
}

/* Executive Dark Mode Cards & Nav */
.glass-nav {
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
}

.glass-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  border-color: #2563eb;
  box-shadow: 0 12px 30px -8px rgba(37, 99, 235, 0.35);
  transform: translateY(-3px);
}

.glass-card-light {
  background: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 1rem;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  color: #f8fafc;
}

.glass-card-light:hover {
  border-color: #ea580c;
  box-shadow: 0 15px 30px -8px rgba(234, 88, 12, 0.25);
  transform: translateY(-3px);
}

/* Custom Gradients & Buttons */
.btn-gradient {
  background: linear-gradient(135deg, #1b40ff 0%, #7928ca 50%, #ff5500 100%);
  background-size: 200% auto;
  color: #ffffff;
  font-weight: 700;
  transition: all 0.4s ease;
  box-shadow: 0 4px 15px rgba(255, 85, 0, 0.3);
}

.btn-gradient:hover {
  background-position: right center;
  box-shadow: 0 6px 25px rgba(255, 85, 0, 0.5), 0 0 15px rgba(27, 64, 255, 0.4);
  transform: translateY(-2px);
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, #a5b4fc 70%, #ff8a00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-primary {
  background: linear-gradient(135deg, #1b40ff 0%, #ff5500 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Background Grids & Particle Dust */
.bg-tech-pattern {
  background-color: #040612;
  background-image: 
    radial-gradient(circle at 50% 20%, rgba(27, 64, 255, 0.18) 0%, transparent 60%),
    radial-gradient(circle at 80% 80%, rgba(255, 85, 0, 0.12) 0%, transparent 50%),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

.bg-dark-grid {
  background-color: #060919;
  background-image: 
    radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.15) 0%, transparent 70%),
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 30px 30px, 30px 30px;
}

.bg-light-section {
  background: #ffffff;
  color: #0f172a;
  background-image: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.06) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(234, 88, 12, 0.06) 0%, transparent 40%);
}

.glass-card-light {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 1rem;
  box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.06);
  transition: all 0.3s ease;
}

.glass-card-light:hover {
  border-color: #2563eb;
  box-shadow: 0 15px 30px -8px rgba(37, 99, 235, 0.18);
  transform: translateY(-3px);
}

/* Glowing Accent Dots & Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.animate-float {
  animation: float 5s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; filter: blur(20px); }
  50% { opacity: 0.8; filter: blur(30px); }
}

.glow-orb-blue {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27, 64, 255, 0.4) 0%, transparent 70%);
  animation: pulseGlow 6s infinite ease-in-out;
  pointer-events: none;
}

.glow-orb-orange {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 85, 0, 0.35) 0%, transparent 70%);
  animation: pulseGlow 7s infinite ease-in-out 1s;
  pointer-events: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #050714;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ff5500;
}

/* Royal Enfield Layout with Tekno Moto Brand Colors & 100vh Stage */
.royal-hero-container {
    position: relative;
    background: #050714; /* Official Tekno Moto Dark Tech Color */
    background-image: 
        radial-gradient(circle at 50% 30%, rgba(27, 64, 255, 0.25) 0%, transparent 60%),
        radial-gradient(circle at 80% 80%, rgba(255, 85, 0, 0.2) 0%, transparent 50%),
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
    color: #ffffff;
    overflow: hidden;
    height: 100vh;
    min-height: 100vh;
}

.diagonal-red-slash {
    position: absolute;
    width: 240px;
    height: 190%;
    top: -45%;
    left: 46%;
    background: linear-gradient(135deg, #ff5500 0%, #d93d00 50%, #1b40ff 100%);
    transform: rotate(-35deg);
    z-index: 2;
    pointer-events: none;
    box-shadow: 0 0 70px rgba(255, 85, 0, 0.4), 0 0 100px rgba(27, 64, 255, 0.3);
}

@media (max-width: 1024px) {
    .diagonal-red-slash {
        width: 140px;
        left: 40%;
    }
}

.hero-circle-accent {
    position: absolute;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 85, 0, 0.7) 0%, rgba(27, 64, 255, 0.5) 60%, transparent 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -55%);
    z-index: 1;
    pointer-events: none;
    filter: blur(15px);
}

.stage-floor-shadow {
    width: 80%;
    max-width: 480px;
    height: 35px;
    border-radius: 100%;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 80%);
    margin: -20px auto 0 auto;
    filter: blur(8px);
}

/* ==========================================================================
   RESPONSIVE OPTIMIZATIONS FOR 15-INCH LAPTOPS, TABLETS & MOBILE PHONES
   ========================================================================== */

/* 15-Inch Laptops (1024px to 1440px viewport width / 125% Windows scaling) */
@media (min-width: 1024px) and (max-width: 1440px) {
    .hero-slide-container {
        min-height: 400px;
    }
    .font-heading {
        letter-spacing: 0.01em;
    }
}

/* Tablets & Small Laptops (< 1024px) */
@media (max-width: 1023px) {
    .glass-card {
        border-radius: 1.25rem;
    }
    .hero-slide-container {
        min-height: auto;
    }
}

/* Mobile Devices (< 640px) */
@media (max-width: 639px) {
    body {
        font-size: 14px;
    }
    .glass-card {
        border-radius: 1rem;
        padding: 1.25rem;
    }
    input, select, textarea, button {
        font-size: 14px !important;
    }
    .btn-gradient {
        padding-top: 0.875rem;
        padding-bottom: 0.875rem;
    }
}