/* =========================================================================
   TeleMart - Modern Dark Theme
   ========================================================================= */

:root {
    /* Color Palette */
    --bg-color: #0b090a;
    --bg-secondary: #161a1d;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --accent-red: #e5383b;
    --accent-pink: #f72585;
    --accent-blue: #4361ee;
    --accent-purple: #7209b7;
    
    /* Utilities */
    --glass-bg: rgba(22, 26, 29, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Reset & Initial Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography Enhancements */
.gradient-text {
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient {
    color: var(--accent-pink);
}

.text-muted {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: 0.6rem 1.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: 50px;
}

.btn-full {
    width: 100%;
    margin-top: 1.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.6);
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(11, 9, 10, 0.85);
    backdrop-filter: blur(15px);
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.35rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
}

.logo i {
    color: var(--accent-pink);
    font-size: 1.6rem;
}

.nav-links {
    display: flex;
    gap: 1.25rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--accent-pink);
    transition: var(--transition);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 100px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* Background Glowing Blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: -1;
    opacity: 0.5;
    animation: float 10s infinite ease-in-out;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--accent-purple);
    top: -100px;
    right: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--accent-pink);
    bottom: 100px;
    left: -150px;
    animation-delay: -5s;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(67, 97, 238, 0.1);
    border: 1px solid rgba(67, 97, 238, 0.3);
    color: var(--accent-blue);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: slideUp 0.8s ease-out forwards;
}

.hero-title {
    font-size: 4.5rem;
    margin-bottom: 1.5rem;
    animation: slideUp 0.8s ease-out 0.1s forwards;
    opacity: 0;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-inline: auto;
    animation: slideUp 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    animation: slideUp 0.8s ease-out 0.3s forwards;
    opacity: 0;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    border-top: 1px solid var(--glass-border);
    padding-top: 3rem;
    animation: slideUp 0.8s ease-out 0.4s forwards;
    opacity: 0;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
    max-width: 700px;
    margin-inline: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Features Section */
.features {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2.5rem;
    transition: var(--transition);
    border: 1px solid transparent; /* Prepare for hover */
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: rgba(247, 37, 133, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(67, 97, 238, 0.1), rgba(114, 9, 183, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.feature-card:nth-child(even) .feature-icon {
    background: linear-gradient(135deg, rgba(247, 37, 133, 0.1), rgba(114, 9, 183, 0.1));
    color: var(--accent-pink);
    border-color: rgba(247, 37, 133, 0.2);
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
}

/* How It Works Section */
.how-it-works {
    padding: 6rem 0;
    background: var(--bg-secondary);
    position: relative;
    z-index: 1;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.step-box {
    flex: 1;
    padding: 2rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-color);
    border: 2px solid var(--accent-pink);
    color: var(--accent-pink);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 20px rgba(247, 37, 133, 0.2);
}

.step-connector {
    flex: 0 0 100px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-pink), var(--accent-blue));
    align-self: flex-start;
    margin-top: 50px; /* Align with number */
    opacity: 0.3;
}

.step-box h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.step-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Demo Section */
.demo-section {
    padding: 8rem 0;
    position: relative;
    z-index: 1;
}

.demo-wrapper {
    display: flex;
    align-items: center;
    gap: 4rem;
    padding: 4rem;
    background: linear-gradient(135deg, rgba(22, 26, 29, 0.8), rgba(11, 9, 10, 0.9));
    border: 1px solid rgba(67, 97, 238, 0.2);
}

.demo-content {
    flex: 1;
}

.demo-content h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

.demo-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.demo-list li {
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.demo-visual {
    flex: 1;
    display: flex;
    justify-content: center;
}

.mockup-phone {
    width: 300px;
    height: 600px;
    background: #000;
    border-radius: 40px;
    border: 8px solid #333;
    position: relative;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
    overflow: hidden;
}

.mockup-screen {
    width: 100%;
    height: 100%;
    background: #18222d; /* Telegram-ish dark theme */
    display: flex;
    flex-direction: column;
}

.mock-header {
    background: #232e3c;
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #111;
}

.mock-bot-name {
    font-weight: 600;
    color: #fff;
    font-family: sans-serif;
}

.mock-body {
    padding: 1rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    align-content: end;
    height: 100%;
    padding-bottom: 2rem;
}

.mock-btn {
    background: rgba(255,255,255,0.05);
    color: #fff;
    padding: 1rem 0.5rem;
    text-align: center;
    border-radius: 8px;
    font-size: 0.85rem;
    font-family: sans-serif;
    border: 1px solid rgba(255,255,255,0.1);
}

.mock-btn:nth-child(5) {
    grid-column: span 2;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
    background: radial-gradient(circle at top right, rgba(114, 9, 183, 0.05), transparent 40%),
                radial-gradient(circle at bottom left, rgba(67, 97, 238, 0.05), transparent 40%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    align-items: center; /* Important for making the popular card pop out */
}

.pricing-card {
    padding: 2.5rem 2rem;
    text-align: left;
    transition: var(--transition);
    position: relative;
}

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

.pricing-card.popular {
    border-color: var(--accent-blue);
    box-shadow: 0 10px 40px rgba(67, 97, 238, 0.15);
    transform: scale(1.05); /* Make it bigger */
    z-index: 10;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-purple));
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    margin-bottom: 1rem;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.plan-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.plan-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    min-height: 45px;
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.plan-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
}

.plan-features i {
    color: var(--accent-blue);
    margin-top: 4px;
}

.plan-features i.fa-xmark {
    color: var(--text-secondary);
    opacity: 0.5;
}

/* Footer Section */
.footer {
    background: var(--bg-secondary);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col.branding {
    flex: 2;
    min-width: 300px;
}

.footer-col.branding p {
    color: var(--text-secondary);
    margin-top: 1rem;
    max-width: 350px;
}

.footer-col.links {
    flex: 1;
    min-width: 150px;
}

.footer-col.links h4 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-col.links ul {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-col.links a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-col.links a:hover {
    color: var(--accent-pink);
    padding-left: 5px;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--glass-border);
    padding-top: 2rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations Trigger Class */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Language Switcher */
.lang-switch-btn {
    background: rgba(22, 26, 29, 0.6);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.5rem 1.2rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    outline: none;
    backdrop-filter: blur(10px);
    transition: var(--transition);
    min-width: 90px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.lang-switch-btn:hover {
    border-color: var(--accent-blue);
    background: rgba(67, 97, 238, 0.1);
}

/* Tabs UI */
.breakdowns {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.tabs-container {
    padding: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.tabs-header {
    display: flex;
    gap: 1rem;
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 2rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.tabs-header::-webkit-scrollbar {
    height: 6px;
}

.tabs-header::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
}

.tab-button {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: 8px 8px 0 0;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
}

.tab-button:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-button.active {
    color: var(--accent-pink);
    border-bottom: 2px solid var(--accent-pink);
}

.tab-pane {
    display: none;
    animation: fadeInTab 0.4s ease-in-out;
}

.tab-pane.active {
    display: block;
}

.tab-note {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Guides Section */
.guides-section {
    padding: 6rem 0;
    background: radial-gradient(circle at center, rgba(67, 97, 238, 0.05), transparent 60%);
}

.guides-section .feature-card h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-5px);
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions .btn-outline {
        display: none;
    }

    .nav-content {
        padding: 0 10px;
    }

    .logo {
        font-size: 1.4rem;
    }
    
    .logo-text {
        display: none; /* Hide text, keep icon for extreme mobile compactness */
    }

    @media (min-width: 480px) {
        .logo-text {
            display: inline;
            font-size: 1rem;
        }
    }

    .nav-actions {
        gap: 0.4rem;
    }

    .lang-switch-btn {
        min-width: 65px;
        padding: 0.4rem 0.5rem;
        font-size: 0.8rem;
    }
    
    .btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }

    .navbar {
        padding: 0.75rem 0;
    }
    
    .hero {
        padding-top: 100px;
        padding-bottom: 50px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.25;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }

    .hero-cta {
        flex-direction: column;
        gap: 0.75rem;
        width: 100%;
        max-width: 250px;
        margin-inline: auto;
    }

    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.25rem;
        padding-top: 1.5rem;
    }

    .stat-item h3 {
        font-size: 1.4rem;
    }

    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .steps-container {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .step-connector {
        display: none;
    }
    
    .demo-wrapper {
        flex-direction: column;
        padding: 1.5rem;
    }
    
    .mockup-phone {
        width: 100%;
        max-width: 240px;
        height: 480px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .tabs-header {
        gap: 0.4rem;
    }

    .tab-button {
        padding: 0.5rem 0.8rem;
        font-size: 0.85rem;
    }
}