/**
 * ========================================
 * TeenX Bangladesh - Main Stylesheet
 * ========================================
 * 
 * Copyright © 2026 NeuraSoft
 * Developer Contact: neurasoftware@gmail.com
 * 
 * Author: TeenX Development Team
 * Date: 2026
 * Description: Core styling for TeenX Bangladesh website
 * Folder Structure: css/style.css
 * 
 * This file contains:
 * - Body & global styles
 * - Glass morphism effects
 * - Animation & transitions
 * - Form styling
 * - Responsive utilities
 * ========================================
 */

/* ========================================
   1. GLOBAL STYLING
   ======================================== */

/**
 * Body Global Styles
 * - Sets default font color, background
 * - Enables smooth scrolling behavior
 * - Prevents horizontal overflow
 * - Premium antialiasing and rendering
 */
body {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    color: #1d1d1f;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    scroll-behavior: smooth;
    min-height: 100vh;
}


/* ========================================
   2. GLASS MORPHISM EFFECTS
   ======================================== */

/**
 * Apple Glass Effect
 * Used for: Navigation bar, overlay backgrounds
 * Creates a frosted glass appearance with backdrop blur
 * Enhanced premium effect with layered blur and saturation
 */
.apple-glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(30px);
    -webkit-backdrop-filter: saturate(180%) blur(30px);
    box-shadow: 0 2px 24px rgba(0, 0, 0, 0.04);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/**
 * Glass Card Component
 * Used for: Feature cards, team member cards, content blocks
 * Creates a semi-transparent card with sophisticated blur effect
 * Premium styling with proper depth and shadows
 */
.glass-card {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(24px) saturate(170%);
    -webkit-backdrop-filter: blur(24px) saturate(170%);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(31, 38, 135, 0.06),
                inset 0 1px 2px rgba(255, 255, 255, 0.8);
    transition: all 0.6s cubic-bezier(0.2, 0, 0, 1);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.75);
    border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 12px 48px rgba(0, 102, 204, 0.12),
                0 8px 32px rgba(31, 38, 135, 0.08),
                inset 0 1px 2px rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}


/* ========================================
   3. TYPOGRAPHY & TEXT EFFECTS
   ======================================== */

/**
 * Hero Text Styling
 * Used for: Main heading text in hero sections
 * Creates tighter letter spacing and optimized line height
 * Premium typography with enhanced visual impact
 */
.hero-text {
    letter-spacing: -0.025em;
    line-height: 1.1;
    font-weight: 800;
}

/* ========================================
   PREMIUM BUTTON STYLING
   ======================================== */

button, .btn, a[class*="bg-"] {
    transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
}

a[class*="bg-apple-blue"],
a[class*="bg-apple-black"],
button[class*="bg-apple"] {
    position: relative;
    overflow: hidden;
}

a[class*="bg-apple-blue"]::before,
a[class*="bg-apple-black"]::before,
button[class*="bg-apple"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.15);
    transition: left 0.4s ease;
    z-index: -1;
}

a[class*="bg-apple-blue"]:hover::before,
a[class*="bg-apple-black"]:hover::before,
button[class*="bg-apple"]:hover::before {
    left: 100%;
}

/* Premium link underline effect */
a:not([class*="bg-"]):not([class*="hidden"]) {
    position: relative;
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

a:not([class*="bg-"]):not([class*="hidden"]):hover {
    color: #0066cc;
}

/* ========================================
   PREMIUM SECTION BACKGROUNDS
   ======================================== */

section {
    position: relative;
}

section.bg-apple-bg {
    background: linear-gradient(135deg, #f5f5f7 0%, #fafbfc 100%);
}

section.bg-apple-black {
    background: linear-gradient(135deg, #1d1d1f 0%, #2e2e33 100%);
}


/* ========================================
   4. ACCESSIBILITY & VISIBILITY
   ======================================== */

/**
 * Alpine.js Cloak
 * Prevents FOUC (Flash of Unstyled Content)
 * Hides elements until Alpine.js initializes
 */
[x-cloak] {
    display: none !important;
}


/* ========================================
   5. SCROLL REVEAL ANIMATION
   ======================================== */

/**
 * Reveal Animation System
 * Used for: Fade-in and slide-up animations on scroll
 * Creates smooth reveal effect with premium timing
 * Staggered entrance for visual sophistication
 */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: all 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/**
 * Active Reveal State
 * Applied when element is in viewport
 * Creates smooth entry with proper easing
 */
.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveal for multiple elements */
.reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.reveal:nth-child(4) {
    transition-delay: 0.3s;
}


/* ========================================
   6. LAYOUT UTILITIES
   ======================================== */

/**
 * Custom Container
 * Used for: Consistent max-width and padding across sections
 * Ensures responsive margins on mobile devices
 */
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}


/* ========================================
   7. FORM STYLING
   ======================================== */

/**
 * Form Input Focus States
 * Used for: Input fields, textarea elements
 * Provides visual feedback when form elements are focused
 * Premium styling with glassmorphism effect
 */
input,
textarea {
    transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: #0066cc !important;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12),
                inset 0 1px 2px rgba(0, 0, 0, 0.02);
}

input[class*="bg-white/"],
textarea[class*="bg-white/"] {
    background: rgba(255, 255, 255, 0.5) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* ========================================
   8. FOOTER PROFESSIONAL STYLING
   ======================================== */

/**
 * Premium Footer Design
 * Used for: Professional footer sections
 * Creates sophisticated footer with proper hierarchy and spacing
 * Glass morphism effect with premium typography
 */
footer {
    font-size: 14px;
    letter-spacing: -0.01em;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.2), transparent);
}

footer h5 {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #1d1d1f;
    margin-bottom: 1.5rem;
    position: relative;
}

footer h5::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, #0066cc, transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

footer > div > div:hover h5::before {
    opacity: 1;
}

footer ul li {
    transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
}

footer ul li:hover {
    transform: translateX(4px);
}

footer a {
    font-size: 13px;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
    color: #86868b;
    text-decoration: none;
    position: relative;
}

footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: #0066cc;
    transition: width 0.3s ease;
}

footer a:hover {
    color: #0066cc;
}

footer a:hover::after {
    width: 100%;
}

.footer-divider {
    height: 1px;
    background: linear-gradient(to right, rgba(0, 0, 0, 0) 0%, rgba(0, 102, 204, 0.15) 50%, rgba(0, 0, 0, 0) 100%);
}

/* Footer responsive adjustments */
@media (max-width: 768px) {
    footer h5 {
        font-size: 10px;
        margin-bottom: 1rem;
    }
    
    footer a {
        font-size: 12px;
    }
    
    footer ul {
        margin-bottom: 1.5rem;
    }
}

/* ========================================
   EXPANDABLE TEXT - SEE MORE/LESS FEATURE
   ======================================== */

.expandable-text {
    transition: all 0.5s cubic-bezier(0.2, 0, 0, 1);
}

.expandable-text.collapsed {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    position: relative;
}

.expandable-text.collapsed::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 4rem;
    background: linear-gradient(to top, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.8) 40%, rgba(255, 255, 255, 0) 100%);
    pointer-events: none;
}

.see-more-btn {
    display: inline-block;
    color: #0066cc;
    font-weight: 600;
    font-size: 0.875rem;
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
    text-decoration: none;
    background: none;
    border: none;
    padding: 6px 12px;
    font-family: Inter, sans-serif;
    position: relative;
    overflow: hidden;
}

.see-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(0, 102, 204, 0.08);
    border-radius: 4px;
    transition: left 0.3s ease;
    z-index: -1;
}

.see-more-btn:hover::before {
    left: 0%;
}

.see-more-btn:hover {
    color: #0066cc;
    opacity: 0.8;
    transform: translateX(2px);
}

/* ========================================
   PREMIUM CARD & SECTION ENHANCEMENTS
   ======================================== */

/* Premium article cards */
article {
    transition: all 0.5s cubic-bezier(0.2, 0, 0, 1);
}

article:hover {
    transform: translateY(-4px);
}

/* Premium image hover effect */
img {
    transition: all 0.6s cubic-bezier(0.2, 0, 0, 1);
}

article img {
    filter: brightness(1);
}

article:hover img {
    filter: brightness(1.05) saturate(1.1);
    transform: scale(1.02);
}

/* Premium border effects */
border {
    transition: all 0.4s cubic-bezier(0.2, 0, 0, 1);
}

/* ========================================
   ANIMATED VECTOR BACKGROUNDS
   ======================================== */

/* Floating shape animations */
@keyframes float-up {
    0% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0;
    }
    8% {
        opacity: 0.9;
    }
    92% {
        opacity: 0.9;
    }
    100% {
        transform: translateY(-110vh) rotate(360deg);
        opacity: 0;
    }
}

@keyframes float-slow {
    0% {
        transform: translateY(0px) translateX(0px);
        opacity: 0;
    }
    12% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.7;
    }
    88% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-90vh) translateX(80px);
        opacity: 0;
    }
}

@keyframes float-wave {
    0% {
        transform: translateY(0px) translateX(-40px);
        opacity: 0.15;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        transform: translateY(-110vh) translateX(40px);
        opacity: 0;
    }
}

/* Animated blob background shapes */
.animated-blob {
    position: absolute;
    opacity: 0.08;
    pointer-events: none;
    mix-blend-mode: screen;
}

.blob-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, #0066cc 0%, transparent 70%);
    border-radius: 40% 60% 70% 30% / 40% 50% 60% 50%;
    top: -10%;
    right: -5%;
    animation: float-slow 28s cubic-bezier(0.05, 0.7, 0.1, 1) infinite;
}

.blob-2 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, #0066cc 0%, transparent 70%);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    bottom: -5%;
    left: -10%;
    animation: float-wave 32s cubic-bezier(0.05, 0.7, 0.1, 1) infinite;
    animation-delay: 4s;
}

.blob-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #0066cc 0%, transparent 70%);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    top: 30%;
    right: 10%;
    animation: float-slow 38s cubic-bezier(0.05, 0.7, 0.1, 1) infinite;
    animation-delay: 8s;
    opacity: 0.04;
}

/* Animated grid lines */
.animated-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(0deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.04) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.18;
    pointer-events: none;
    animation: grid-move 18s linear infinite;
}

@keyframes grid-move {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(50px);
    }
}

/* Floating circles animation - REMOVED */

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

.animated-gradient {
    background: linear-gradient(135deg, #ffffff 0%, #f5f7ff 25%, #f0f7ff 50%, #fafbfc 75%, #ffffff 100%);
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

/* ========================================
   EID MOON STYLING
   ======================================== */

/**
 * Eid Moon Symbol
 * Meaningful representation of Eid celebration
 * Floating animation with subtle glow
 */
@keyframes float-gentle {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-12px);
    }
}

@keyframes moon-glow-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 8px rgba(0, 102, 204, 0.4));
    }
    50% {
        filter: drop-shadow(0 0 16px rgba(0, 102, 204, 0.6));
    }
}

.eid-moon {
    animation: float-gentle 4s ease-in-out infinite, moon-glow-pulse 3s ease-in-out infinite;
    filter: drop-shadow(0 0 12px rgba(0, 102, 204, 0.45));
}

/* End of style.css */