/* ==========================================================================
   Amar Ishkul (আমার ইস্কুল) - Coming Soon Stylesheet
   ========================================================================== */

/* Root Design Variables */
:root {
    --bg-main: #0B132B;
    --bg-card: #1C2D5A;
    --bg-card-subtle: #243B75;
    --bg-navbar: rgba(11, 19, 43, 0.85);
    --text-primary: #FFFFFF;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.12);
    
    /* Brand Accent Colors */
    --primary: #00B788;
    --primary-hover: #00966F;
    --primary-light: rgba(0, 183, 136, 0.15);
    --accent-cyan: #00E5FF;
    --accent-amber: #FF9F1C;
    --accent-rose: #FF3B30;

    /* Typography */
    --font-bengali: 'Hind Siliguri', 'Plus Jakarta Sans', sans-serif;

    /* Shadows & Radius */
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.4);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-card-subtle: #F1F5F9;
    --bg-navbar: rgba(255, 255, 255, 0.85);
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;
    --border-color: #E2E8F0;
    --shadow-lg: 0 12px 36px rgba(0, 183, 136, 0.1);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-bengali);
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Glowing Background Shapes */
.glow-bg {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.glow-1 {
    width: 400px;
    height: 400px;
    background: rgba(0, 183, 136, 0.25);
    top: -100px;
    left: -100px;
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: rgba(0, 229, 255, 0.2);
    bottom: -150px;
    right: -150px;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 10;
}

.text-center { text-align: center; }
.text-amber { color: var(--accent-amber); }
.text-emerald { color: var(--primary); }
.text-danger { color: var(--accent-rose); }
.blink { animation: blink 1.5s infinite; }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Navbar */
.navbar-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-navbar);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    color: #FFFFFF;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.brand-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.brand-title .highlight { color: var(--primary); }

.brand-tagline {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.35rem 0.9rem;
    border-radius: var(--radius-full);
}

.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--bg-card-subtle);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 3rem 0;
}

/* Coming Soon Card */
.coming-soon-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3.5rem 2.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    margin-bottom: 3rem;
}

.eyebrow-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.4rem 1.2rem;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 1.2rem;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto 2.5rem auto;
}

/* Early Access Box */
.early-access-box {
    background-color: var(--bg-card-subtle);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: var(--radius-md);
    max-width: 720px;
    margin: 0 auto;
}

.early-access-box h3 {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
}

.early-access-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.access-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.access-form input, .access-form select {
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
}

.access-form input:focus, .access-form select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 183, 136, 0.2);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-cyan) 100%);
    color: #0B132B;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 183, 136, 0.4);
}

.btn-block { width: 100%; }

/* Features Grid */
.features-preview {
    margin-bottom: 3rem;
}

.preview-title h2 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-mini-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

.feature-mini-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #FFFFFF;
    margin: 0 auto 1rem auto;
}

.bg-emerald { background: linear-gradient(135deg, #00B788 0%, #00D69F 100%); }
.bg-indigo { background: linear-gradient(135deg, #4F46E5 0%, #6366F1 100%); }
.bg-amber { background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%); }
.bg-rose { background: linear-gradient(135deg, #F43F5E 0%, #E11D48 100%); }

.feature-mini-card h4 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.feature-mini-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Community Card */
.community-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.community-card h2 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.community-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.community-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-social {
    color: #FFFFFF;
    text-decoration: none;
}

.btn-facebook { background-color: #1877F2; }
.btn-telegram { background-color: #229ED9; }
.btn-youtube { background-color: #FF0000; }

.btn-social:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-content .brand-title {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.copyright {
    margin-top: 0.4rem;
    font-size: 0.8rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #00B788;
    color: #0B132B;
    font-weight: 700;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero-title { font-size: 2.2rem; }
    .access-form .form-row { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .community-buttons { flex-direction: column; }
}

@media (max-width: 480px) {
    .features-grid { grid-template-columns: 1fr; }
    .coming-soon-card { padding: 2rem 1.2rem; }
}