/*
Theme Name: Nexus Energy
Theme URI: https://nexusenergy.al
Author: Nexus Energy SHPK
Author URI: https://nexusenergy.al
Description: Professional WordPress theme for Nexus Energy - Albanian renewable energy company specializing in solar, wind, and hydropower solutions.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nexus-energy
Tags: one-column, custom-logo, custom-menu, featured-images, translation-ready, business, portfolio
*/

/* ========================================
   CSS Variables & Reset
======================================== */
:root {
    --primary: #1a3a2f;
    --primary-light: #2d5a4a;
    --accent: #6b9080;
    --accent-light: #a4c3b2;
    --accent-faded: #cce3de;
    --background: #f6fff8;
    --white: #ffffff;
    --text: #1a1a1a;
    --text-light: #666666;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* ========================================
   Typography
======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { margin-bottom: 1rem; }

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* ========================================
   Utility Classes
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    color: var(--primary);
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 2px;
}

.section-header p {
    color: var(--text-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 1.5rem auto 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--primary);
}

/* ========================================
   Header & Navigation
======================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-branding img {
    height: 50px;
    width: auto;
}

.site-branding .site-title {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* Main Navigation */
.main-navigation ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.main-navigation a {
    color: var(--primary);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

.main-navigation a:hover::after,
.main-navigation .current-menu-item a::after {
    width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary);
    border-radius: 3px;
    transition: var(--transition);
}

/* ========================================
   Hero Section
======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 50%, var(--accent) 100%);
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/><circle cx="50" cy="50" r="30" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/><circle cx="50" cy="50" r="20" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    background-size: 200px 200px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-content h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 4rem;
    animation: fadeInUp 1s ease 0.6s both;
}

.stat-item {
    text-align: center;
    color: var(--white);
}

.stat-number {
    font-family: 'Syne', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ========================================
   About Section
======================================== */
.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-light);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--background);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-faded), var(--accent-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.feature-card h4 {
    color: var(--primary);
    font-size: 0.9rem;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent);
    border-radius: 20px;
    z-index: -1;
}

/* ========================================
   Services Section
======================================== */
.services-section {
    background: linear-gradient(180deg, var(--background) 0%, var(--accent-faded) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-faded), var(--accent-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.service-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

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

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    font-size: 0.9rem;
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

/* ========================================
   Vision Section
======================================== */
.vision-section {
    background: var(--primary);
    position: relative;
    overflow: hidden;
}

.vision-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    opacity: 0.1;
}

.vision-section .section-header h2 {
    color: var(--white);
}

.vision-section .section-header h2::after {
    background: linear-gradient(90deg, var(--accent-light), var(--white));
}

.vision-section .section-header p {
    color: rgba(255, 255, 255, 0.8);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.vision-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.vision-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.vision-number {
    font-family: 'Syne', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-light);
    opacity: 0.5;
    margin-bottom: 1rem;
}

.vision-card h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.vision-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* ========================================
   Projects Section
======================================== */
.projects-section {
    background: var(--white);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    height: 250px;
    background: linear-gradient(135deg, var(--accent-faded), var(--accent));
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(26, 58, 47, 0.8), transparent);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-overlay span {
    color: var(--white);
    font-weight: 600;
}

.project-info {
    padding: 1.5rem;
    background: var(--white);
}

.project-info h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.project-info p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.project-stats {
    display: flex;
    gap: 1.5rem;
}

.project-stat {
    font-size: 0.85rem;
}

.project-stat strong {
    color: var(--accent);
}

/* ========================================
   Contact Section
======================================== */
.contact-section {
    background: linear-gradient(180deg, var(--accent-faded) 0%, var(--background) 100%);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow);
    flex-shrink: 0;
}

.contact-item h4 {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.contact-item p,
.contact-item a {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-item a:hover {
    color: var(--accent);
}

.contact-form {
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--primary);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--accent-faded);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact-form .btn {
    width: 100%;
    justify-content: center;
}

/* ========================================
   Footer
======================================== */
.site-footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    margin: 1rem 0;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-column a:hover {
    color: var(--accent-light);
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Design
======================================== */
@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }
    
    .main-navigation.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   WordPress Specific
======================================== */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

.alignleft {
    float: left;
    margin-right: 1.5rem;
}

.alignright {
    float: right;
    margin-left: 1.5rem;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* WordPress Gallery */
.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.gallery-item {
    margin: 0;
}

.gallery-item img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* WordPress Comments */
.comments-area {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--accent-faded);
}

.comment-list {
    list-style: none;
}

.comment {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--accent-faded);
}

.comment-author {
    font-weight: 600;
    color: var(--primary);
}

.comment-metadata {
    font-size: 0.85rem;
    color: var(--text-light);
}