/*
Theme Name: FinTrend AI Robotics
Theme URI: https://fintrendai.com
Author: AI Robotics Team
Description: A futuristic theme for humanoid robot community and AI technology
Version: 1.0
Text Domain: fta-theme
*/

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

:root {
    --fta-bg-dark: #0d0d1a;
    --fta-bg-card: #1a1a2e;
    --fta-primary: #00f0ff;
    --fta-secondary: #b537f2;
    --fta-accent: #39ff14;
    --fta-robot: #ff006e;
    --fta-text: #ffffff;
    --fta-text-muted: #a0aec0;
    --fta-border: #2d2d44;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--fta-bg-dark);
    color: var(--fta-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: var(--fta-primary);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--fta-accent);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Header */
.fta-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--fta-border);
}

.fta-header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.fta-logo {
    font-size: 1.7rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--fta-primary), var(--fta-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

.fta-nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.fta-nav-menu a {
    color: var(--fta-text);
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
}

.fta-nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--fta-primary), var(--fta-accent));
    transition: width 0.3s ease;
}

.fta-nav-menu a:hover::after {
    width: 80%;
}

.fta-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.fta-hamburger {
    width: 30px;
    height: 3px;
    background: var(--fta-text);
    position: relative;
    transition: all 0.3s ease;
}

.fta-hamburger::before,
.fta-hamburger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 3px;
    background: var(--fta-text);
    transition: all 0.3s ease;
}

.fta-hamburger::before {
    top: -8px;
}

.fta-hamburger::after {
    top: 8px;
}

.fta-mobile-toggle.active .fta-hamburger {
    background: transparent;
}

.fta-mobile-toggle.active .fta-hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.fta-mobile-toggle.active .fta-hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

/* Hero Section */
.fta-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 2rem 4rem;
    background: linear-gradient(180deg, var(--fta-bg-dark) 0%, #16162e 100%);
}

.fta-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 40%, rgba(181, 55, 242, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0, 240, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 50% 20%, rgba(57, 255, 20, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.fta-hero-content {
    max-width: 1100px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.fta-hero-title {
    font-size: clamp(2.5rem, 8vw, 6rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    background: linear-gradient(135deg, #ffffff, var(--fta-primary), var(--fta-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fta-hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.4rem);
    color: var(--fta-text-muted);
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

/* Hero Image */
.fta-hero-image {
    margin: 3rem 0;
}

.fta-hero-image img {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-radius: 20px;
    border: 2px solid var(--fta-border);
    box-shadow: 0 20px 60px rgba(181, 55, 242, 0.3);
}

/* Stats/Icons Section */
.fta-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.fta-stat-card {
    background: var(--fta-bg-card);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--fta-border);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.fta-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.fta-stat-card:hover::before {
    left: 100%;
}

.fta-stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 50px rgba(181, 55, 242, 0.3);
    border-color: var(--fta-primary);
}

.fta-stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.fta-stat-number {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--fta-primary), var(--fta-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.fta-stat-label {
    color: var(--fta-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Main Content */
.fta-main {
    padding-top: 80px;
}

.fta-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.fta-section {
    margin-bottom: 6rem;
}

.fta-section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--fta-primary), var(--fta-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fta-section-subtitle {
    font-size: 1.25rem;
    color: var(--fta-text-muted);
    margin-bottom: 3rem;
}

/* Image Grid */
.fta-image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.fta-image-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: var(--fta-bg-card);
    cursor: pointer;
    border: 1px solid var(--fta-border);
}

.fta-image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.fta-image-card:hover img {
    transform: scale(1.1);
}

.fta-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95), transparent);
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.fta-image-card:hover .fta-image-overlay {
    transform: translateY(0);
}

/* Posts Grid */
.fta-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2.5rem;
}

.fta-post-card {
    background: var(--fta-bg-card);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--fta-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.fta-post-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(181, 55, 242, 0.3);
    border-color: var(--fta-primary);
}

.fta-post-thumbnail {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--fta-bg-dark);
}

.fta-post-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.fta-post-card:hover .fta-post-thumbnail img {
    transform: scale(1.05);
}

.fta-post-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(181, 55, 242, 0.9);
    color: #fff;
    padding: 0.5rem 1.2rem;
    border-radius: 25px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.fta-post-content {
    padding: 1.5rem;
}

.fta-post-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.fta-post-title a {
    color: var(--fta-text);
}

.fta-post-title a:hover {
    color: var(--fta-primary);
}

.fta-post-excerpt {
    color: var(--fta-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.fta-post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--fta-text-muted);
}

/* Pagination */
.fta-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 4rem;
    flex-wrap: wrap;
}

.fta-pagination a,
.fta-pagination span {
    padding: 0.8rem 1.5rem;
    background: var(--fta-bg-card);
    border: 1px solid var(--fta-border);
    border-radius: 10px;
    color: var(--fta-text);
    font-weight: 500;
    transition: all 0.3s ease;
}

.fta-pagination a:hover {
    background: var(--fta-primary);
    border-color: var(--fta-primary);
    color: var(--fta-bg-dark);
    transform: translateY(-2px);
}

.fta-pagination .current {
    background: linear-gradient(135deg, var(--fta-primary), var(--fta-secondary));
    border-color: transparent;
    color: var(--fta-bg-dark);
}

/* Single Post */
.fta-single-header {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.fta-single-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.fta-single-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--fta-text-muted);
    margin-bottom: 2rem;
}

.fta-single-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.fta-single-content p {
    margin-bottom: 1.5rem;
}

.fta-single-content h2 {
    font-size: 2rem;
    margin: 2.5rem 0 1rem;
    color: var(--fta-primary);
}

.fta-single-content h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.fta-single-content img {
    margin: 2rem 0;
    border-radius: 16px;
}

.fta-single-content ul,
.fta-single-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.fta-single-content li {
    margin-bottom: 0.5rem;
}

/* Footer */
.fta-footer {
    background: var(--fta-bg-card);
    border-top: 1px solid var(--fta-border);
    padding: 3rem 2rem 2rem;
    margin-top: 6rem;
}

.fta-footer-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.fta-footer-logo {
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--fta-primary), var(--fta-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.fta-footer-text {
    color: var(--fta-text-muted);
    margin-bottom: 1.5rem;
}

.fta-footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    list-style: none;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .fta-header-container {
        padding: 1rem;
    }
    
    .fta-nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(13, 13, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        gap: 0;
        transition: left 0.3s ease;
        border-right: 1px solid var(--fta-border);
    }
    
    .fta-nav-menu.active {
        left: 0;
    }
    
    .fta-nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--fta-border);
    }
    
    .fta-nav-menu a {
        display: block;
        padding: 1.5rem 1rem;
        width: 100%;
    }
    
    .fta-mobile-toggle {
        display: block;
    }
    
    .fta-hero {
        padding: 6rem 1rem 3rem;
    }
    
    .fta-container {
        padding: 2rem 1rem;
    }
    
    .fta-stats {
        grid-template-columns: 1fr;
    }
    
    .fta-posts-grid {
        grid-template-columns: 1fr;
    }
    
    .fta-image-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .fta-hero-title {
        font-size: 2rem;
    }
    
    .fta-section-title {
        font-size: 1.8rem;
    }
    
    .fta-single-title {
        font-size: 1.8rem;
    }
}