/* Ultra Modern Professional Design System - Optimized */

/* ============================================
   HERO SLIDER TEXT OVERLAY
   ============================================ */

.bg-gradient-radial {
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.3) 40%, transparent 70%);
}

/* ============================================
   BASE STYLES & TYPOGRAPHY
   ============================================ */
html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    color: #1f2937;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ============================================
   HERO SLIDER - Modern Auto-Slider
   ============================================ */

.hero-slider {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-container {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
    will-change: opacity;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

/* Slider Dots */
.slider-dot {
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background-color: rgba(255, 255, 255, 0.9) !important;
    transform: scale(1.2);
}

/* ============================================
   VISION & MISSION - COMPLETELY REDESIGNED
   ============================================ */

.vision-card-modern,
.mission-card-modern {
    min-height: 500px;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.vision-card-modern:hover,
.mission-card-modern:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.vision-card-modern .relative,
.mission-card-modern .relative {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.vision-card-modern .space-y-4,
.mission-card-modern .space-y-4 {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

/* Ensure equal heights */
@media (min-width: 1024px) {
    .vision-card-modern,
    .mission-card-modern {
        min-height: 550px;
    }
}

/* ============================================
   OPTIMIZED ANIMATIONS (No Lag)
   ============================================ */

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Use GPU acceleration for smooth animations */
.fade-in-up,
.fade-in-left,
.fade-in-right,
.animate-slide-up {
    will-change: transform, opacity;
    animation-fill-mode: both;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.fade-in-left {
    animation: fadeInLeft 0.6s ease-out forwards;
    opacity: 0;
}

.fade-in-right {
    animation: fadeInRight 0.6s ease-out forwards;
    opacity: 0;
}

.animate-slide-up {
    animation: slideUp 0.8s ease-out forwards;
    opacity: 0;
}

/* ============================================
   NAVIGATION ENHANCEMENTS
   ============================================ */

.nav-link {
    position: relative;
    padding-bottom: 4px;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #FF8C42, #DC2626);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   MOBILE MENU OVERLAY
   ============================================ */

.mobile-menu-overlay {
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-container {
    transform: translateY(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

.mobile-menu-container.hidden {
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
}

.mobile-menu-container.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

/* ============================================
   FORM ENHANCEMENTS
   ============================================ */

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(255, 140, 66, 0.15);
    border-color: #FF8C42;
}

.form-group input,
.form-group select,
.form-group textarea {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   BUTTON ENHANCEMENTS
   ============================================ */

button[type="submit"],
a[class*="bg-"] {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Vibrant gradient button for booking page */
#submit-btn,
.book-appointment-btn {
    background: linear-gradient(135deg, #8B0000 0%, #FF8C42 50%, #DC2626 100%);
    background-size: 200% 200%;
    animation: gradient-shift 3s ease infinite;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

#submit-btn:hover,
.book-appointment-btn:hover {
    background-position: right center;
    animation: none;
    box-shadow: 0 20px 40px rgba(220, 38, 38, 0.4), 0 0 20px rgba(255, 140, 66, 0.3);
    transform: scale(1.03);
}

.book-appointment-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #DC2626 0%, #FF8C42 50%, #8B0000 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.book-appointment-btn:hover::before {
    opacity: 1;
}

.book-appointment-btn > * {
    position: relative;
    z-index: 10;
}

@keyframes gradient-shift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* ============================================
   LOGO ENHANCEMENTS
   ============================================ */

.logo-container {
    transition: transform 0.3s ease;
    z-index: 10;
}

.logo-container:hover {
    transform: scale(1.08);
}

.logo-image {
    filter: drop-shadow(0 12px 24px rgba(0, 0, 0, 0.25));
    transition: filter 0.3s ease, transform 0.3s ease;
}

.logo-container:hover .logo-image {
    filter: drop-shadow(0 18px 36px rgba(0, 0, 0, 0.35));
}

/* Make logo more prominent on mobile */
@media (max-width: 768px) {
    .logo-container {
        width: 120px !important;
        height: 120px !important;
        min-width: 120px !important;
    }
}

/* ============================================
   LOADING SPINNER
   ============================================ */

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* ============================================
   CUSTOM SCROLLBAR
   ============================================ */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.dark ::-webkit-scrollbar-track {
    background: #1f2937;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #FF8C42, #DC2626);
    border-radius: 6px;
    border: 2px solid #f1f5f9;
}

.dark ::-webkit-scrollbar-thumb {
    border-color: #1f2937;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #DC2626, #FF8C42);
}

/* ============================================
   FOCUS STATES
   ============================================ */

*:focus-visible {
    outline: 2px solid #FF8C42;
    outline-offset: 4px;
    border-radius: 4px;
}

/* ============================================
   FOOTER SPACING FIX
   ============================================ */

footer {
    margin-top: 0 !important;
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Use transform and opacity for animations (GPU accelerated) */
* {
    transition-property: color, background-color, border-color, transform, opacity, box-shadow;
    transition-duration: 0.3s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reduce motion for users who prefer it */
@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;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .fade-in-up,
    .fade-in-left,
    .fade-in-right,
    .animate-slide-up {
        animation: none;
        opacity: 1;
    }
}