/* ============================================
   ModernEnergia.pl - Global Design System
   Wersja: 1.0
   Opis: Wspolny plik CSS dla wszystkich podstron.
         Zaladuj w headerze WP przez WPCode.
   Font: Inter (Google Fonts, latin-ext)
   ============================================ */

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green-50: #f0fdf4;
    --green-100: #dcfce7;
    --green-200: #bbf7d0;
    --green-300: #86efac;
    --green-400: #4ade80;
    --green-500: #22c55e;
    --green-600: #16a34a;
    --green-700: #15803d;
    --green-800: #166534;
    --green-900: #14532d;
    --cyan-400: #22d3ee;
    --cyan-500: #06b6d4;
    --navy-800: #1e293b;
    --navy-900: #0f172a;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--navy-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

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

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

/* ===== GLASS CARD ===== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* ===== GRADIENT BLOBS ===== */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

.blob-green {
    background: linear-gradient(135deg, var(--green-300), var(--cyan-400));
}

.blob-lime {
    background: linear-gradient(135deg, var(--green-200), var(--green-400));
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--green-500), var(--cyan-500));
    color: var(--white);
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.4);
}

.btn-secondary {
    background: var(--navy-900);
    color: var(--white);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.3);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--green-500);
    color: var(--green-600);
}

.btn-outline:hover {
    background: var(--green-500);
    color: var(--white);
}

/* ===== SECTION LABELS ===== */
.section-label {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--green-600);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 16px;
}

.section-title span {
    color: var(--green-500);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
}

/* ===== HEADER / NAV ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: background 0.3s ease;
}

.header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--glass-border);
}

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

.nav-logo {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--navy-900);
}

.nav-logo span {
    color: var(--green-500);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--green-600);
}

.nav-cta {
    display: flex;
    gap: 12px;
    align-items: center;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--navy-800);
    margin: 6px 0;
    transition: 0.3s;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero .blob-1 {
    width: 500px;
    height: 500px;
    top: -100px;
    right: -100px;
}

.hero .blob-2 {
    width: 400px;
    height: 400px;
    bottom: -50px;
    left: -100px;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(2.5rem, 6vw, 3.8rem);
    margin-bottom: 24px;
    line-height: 1.1;
}

.hero-text h1 span {
    background: linear-gradient(135deg, var(--green-500), var(--cyan-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 1.15rem;
    color: var(--gray-500);
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-card {
    padding: 32px;
    position: relative;
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    border-radius: var(--radius-md);
    background: rgba(240, 253, 244, 0.6);
}

.stat-item .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--green-600);
}

.stat-item .stat-label {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ===== SERVICES / HUBS ===== */
.services {
    padding: 100px 0;
    position: relative;
}

.services-header {
    text-align: center;
    margin-bottom: 60px;
}

.services-header .section-subtitle {
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--green-100), var(--green-200));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

.service-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    font-weight: 600;
    color: var(--green-600);
    font-size: 0.9rem;
    transition: gap 0.3s ease;
}

.service-card:hover .card-link {
    gap: 10px;
}

/* ===== PROCESS ===== */
.process {
    padding: 100px 0;
    background: var(--gray-50);
    position: relative;
}

.process-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.process-steps {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.process-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    border-radius: var(--radius-md);
    transition: background 0.3s ease;
}

.process-step:hover {
    background: var(--white);
    box-shadow: var(--glass-shadow);
}

.step-number {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--green-500);
    min-width: 32px;
}

.step-text h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
}

.step-text p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
}

.faq-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 48px;
    flex-wrap: wrap;
    gap: 20px;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--green-300);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--navy-800);
    text-align: left;
    font-family: var(--font-main);
}

.faq-question .icon {
    transition: transform 0.3s ease;
    color: var(--gray-400);
    font-size: 1.2rem;
}

.faq-item.active .faq-question .icon {
    transform: rotate(180deg);
}

.faq-item.active {
    border-color: var(--green-300);
    background: var(--white);
    box-shadow: none;
}

.faq-item.active .faq-question {
    color: var(--navy-800);
    background: none;
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 24px 20px;
    max-height: 200px;
}

/* ===== TEXT SELECTION ===== */
::selection {
    background: var(--green-200);
    color: var(--navy-900);
}

::-moz-selection {
    background: var(--green-200);
    color: var(--navy-900);
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact {
    padding: 100px 0;
    background: var(--gray-50);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-500);
    margin-bottom: 32px;
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.contact-method {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.contact-method .method-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--green-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-600);
    flex-shrink: 0;
}

.contact-method h4 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.contact-method p {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.contact-method a {
    color: var(--green-600);
    font-weight: 500;
}

.contact-form {
    padding: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--navy-800);
}

.form-group label .required {
    color: #ef4444;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--green-400);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

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

.form-submit {
    width: 100%;
    padding: 16px;
    font-size: 1rem;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    padding: 80px 0;
}

.cta-card {
    background: linear-gradient(135deg, var(--green-400), var(--green-600));
    border-radius: var(--radius-xl);
    padding: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 32px;
}

.cta-card h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    color: var(--white);
    max-width: 500px;
}

.cta-card h2 span {
    color: var(--navy-900);
}

.cta-card p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 500px;
    margin-top: 12px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--navy-900);
    color: var(--gray-300);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 0.9rem;
    margin-top: 12px;
    color: var(--gray-400);
}

.footer-col h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.9rem;
    color: var(--gray-400);
    transition: color 0.3s ease;
}

.footer-col ul li a:hover {
    color: var(--green-400);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--gray-500);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .cta-card {
        padding: 40px 24px;
        text-align: center;
        justify-content: center;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-text {
        text-align: center;
    }

    .hero-text p {
        margin-left: auto;
        margin-right: auto;
    }
}