/* Nowoczesna Kolorystyka 2026 */
:root {
    --primary: #0f172a;      
    --accent: #fbbf24;       
    --accent-hover: #f59e0b;
    --text-dark: #1e293b;
    --text-light: #f8fafc;
    --bg-light: #f1f5f9;
    --white: #ffffff;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-width: 1200px;
}

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

/* --- TYLKO TA ZMIANA W CSS --- */
html {
    scroll-behavior: smooth;
    /* Dodajemy offset równy wysokości nawigacji (ok. 80-90px) */
    scroll-padding-top: 20px; 
}

/* Dodatkowo dla pewności na konkretnych typach sekcji */
.section, 
.section-full-width,
#o-nas, 
#oferta, 
#realizacje, 
#kontakt {
    scroll-margin-top: 20px;
}
/* html { scroll-behavior: smooth; } */
body { 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 80px 0 40px; }
.bg-light { background-color: var(--bg-light); }
.bg-dark { background-color: var(--primary); }
.text-light { color: var(--text-light); }
.text-center { text-align: center; }

/* Nawigacja */
.navbar {
    padding: 20px 0;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

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

.logo { font-size: 24px; font-weight: 800; letter-spacing: -1px; }
.logo span { color: var(--accent); }

.nav-links { display: flex; list-style: none; gap: 30px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-dark); font-weight: 500; transition: var(--transition); }
.nav-links a:hover { color: var(--accent-hover); }

/* Hamburger Menu Mobile */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    z-index: 1100;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--primary);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--primary) 0%, #1e293b 100%);
    color: var(--white);
    padding: 120px 0 100px;
}

h1 { font-size: 4rem; line-height: 1.1; margin-bottom: 20px; }
.hero p { font-size: 1.25rem; opacity: 0.9; margin-bottom: 40px; }

.badge {
    background: rgba(251, 191, 36, 0.1);
    color: var(--accent);
    padding: 5px 15px; border-radius: 20px; font-size: 14px; font-weight: 600; margin-bottom: 20px; display: inline-block;
}

li {
    list-style-type:none;
}

/* Przyciski */
.btn-primary {
    background: var(--accent); color: var(--primary); padding: 15px 35px; border-radius: 8px; text-decoration: none; font-weight: 700; transition: var(--transition); display: inline-block;
}
.btn-secondary {
    border: 1px solid var(--white); color: var(--white); padding: 15px 35px; border-radius: 8px; text-decoration: none; margin-left: 15px; transition: var(--transition);
}
.btn-sm-nav {
    background: var(--primary); color: white !important; padding: 8px 20px; border-radius: 6px;
}

/* Grid System */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 50px; }
.service-card { background: var(--white); padding: 40px; border-radius: 12px; transition: var(--transition); border: 1px solid rgba(0,0,0,0.05); }
.service-card:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.05); }

/* Statystyki */
.stats-grid { display: flex; flex-direction: column; gap: 20px; }
.stat-card { background: var(--white); padding: 25px; border-radius: 15px; display: flex; align-items: center; gap: 20px; box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05); }
.stat-icon { width: 50px; height: 50px; background: var(--bg-light); color: var(--accent-hover); padding: 10px; border-radius: 10px; }
.stat-content .number { display: block; font-size: 28px; font-weight: 800; color: var(--primary); }
.stat-content .label { font-size: 14px; color: #64748b; text-transform: uppercase; }

/* Galeria */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; margin: 40px 0; }
.gallery-item img { width: 100%; height: 250px; object-fit: cover; border-radius: 8px; }

/* SEKCJA KONTAKT - FULL WIDTH */
.section-full-width { padding: 80px 5%; }
.contact-split-container-full {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5%;
    align-items: flex-start;
    width: 100%;
}

.contact-info-side { padding-right: 20px; }
.static-address { font-style: normal; font-size: 1.25rem; font-weight: 500; color: var(--white); margin-top: 10px; }
.contact-link { color: var(--accent); text-decoration: none; font-weight: 700; font-size: 1.5rem; transition: var(--transition); }
.contact-link:hover { color: var(--white); }
.contact-label { display: block; color: #94a3b8; font-size: 0.9rem; text-transform: uppercase; margin-bottom: 5px; margin-top: 31px; }
.contact-detail-item { margin-bottom: 30px; }

.mail-generator-box { background: rgba(255, 255, 255, 0.05); padding: 45px; border-radius: 24px; border: 1px solid rgba(251, 191, 36, 0.2); }
.input-style { width: 100%; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 8px; padding: 12px; color: var(--white); margin-bottom: 15px; }
.form-group label { display: block; color: var(--accent); margin-bottom: 5px; font-size: 0.9rem; }
.w-100 { width: 100%; cursor: pointer; border: none; }

/* Footer */
.footer { padding: 40px 0; text-align: center; border-top: 1px solid rgba(0,0,0,0.05); }

/* Back to Top */
#backToTop {
    position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px; background: var(--accent); color: var(--primary); border: none; border-radius: 50%; cursor: pointer; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: all 0.4s ease; z-index: 9999;
}
#backToTop.show { opacity: 1; visibility: visible; }
#backToTop svg { width: 24px; height: 24px; }

/* Tooltip */
.tooltip-trigger { position: relative; }
.tooltip-trigger::after {
    content: attr(data-tooltip); position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%); background: var(--accent); color: var(--primary); padding: 5px 10px; border-radius: 4px; font-size: 12px; opacity: 0; visibility: hidden; transition: 0.3s;
}
.tooltip-trigger:hover::after { opacity: 1; visibility: visible; }

/* RESPONSIVE */
@media (max-width: 992px) {
    .contact-split-container-full { grid-template-columns: 1fr; gap: 50px; }
    h1 { font-size: 2.5rem; }
    .grid-2 { grid-template-columns: 1fr; }
    
    /* Hamburger Styles */
    .hamburger { display: block; }
    .hamburger.active .bar:nth-child(2) { opacity: 0; }
    .hamburger.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .hamburger.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .nav-links {
        position: fixed; left: -100%; top: 70px; flex-direction: column; background: var(--white); width: 100%; text-align: center; transition: 0.3s; box-shadow: 0 10px 15px rgba(0,0,0,0.1); padding: 40px 0;
    }
    .nav-links.active { left: 0; }
    .btn-sm-nav { background: var(--accent); color: var(--primary) !important; }
}

@media (max-width: 768px) {
    .hero-btns { display: flex; flex-direction: column; gap: 15px; }
    .btn-secondary { margin-left: 0; text-align: center; }
}

/* POPRAWKA KOLORYSTYKI LISTY WYBORU */

.input-style {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    padding: 12px;
    color: var(--white);
    margin-bottom: 15px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    /* Kluczowe dla poprawnego koloru systemowego dropdowna w trybie ciemnym */
    color-scheme: dark; 
    cursor: pointer;
}

/* Stylizacja po kliknięciu (focus) */
.input-style:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent); /* Zmiana obramowania na żółty geodezyjny */
    box-shadow: 0 0 12px rgba(251, 191, 36, 0.2);
}

/* Stylizacja opcji wewnątrz listy (dropdowna) */
select.input-style option {
    background-color: #1e293b; /* Ciemne tło pasujące do sekcji kontaktowej */
    color: var(--white);       /* Biały tekst */
    padding: 12px;
}

/* Usuwa brzydki niebieski kolor w niektórych przeglądarkach przy wyborze */
select.input-style:focus option:checked {
    background-color: var(--accent) !important;
    color: var(--primary) !important;
}

/* Dodatkowy fix dla etykiet, aby były czytelne przy klikaniu */
.form-group label {
    display: block;
    color: var(--accent);
    margin-bottom: 8px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Stylizacja Sekcji Zaufali Nam */
.section-subtitle {
    margin-bottom: 50px;
    color: #64748b;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.logos-slider {
    width: 100%;
    overflow: hidden;
    padding: 40px 0;
    position: relative;
    background: transparent;
}

.logos-track {
    display: flex;
    width: calc(250px * 25); /* Dopasowane do liczby logotypów */
    animation: scrollLogos 40s linear infinite;
    align-items: center;
}

/* Zatrzymanie po najechaniu lub kliknięciu (na mobile) */
.logos-track:hover, .logos-track:active {
    animation-play-state: paused;
}

.logo-item {
    width: 200px; /* Bazowa szerokość logo */
    margin: 0 30px;
    flex-shrink: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: var(--transition);
}

.logo-item img {
    width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%); /* Domyślnie wyszarzone */
    opacity: 0.6;
    transition: all 0.4s ease;
}

/* Efekt koloru po najechaniu na slider */
.logos-track:hover .logo-item img {
    filter: grayscale(100%); /* Wszystkie pozostają szare */
}

.logos-track .logo-item:hover img {
    filter: grayscale(0%); /* Tylko najechanie przywraca kolor */
    opacity: 1;
    transform: scale(1.05);
}

/* Animacja przesuwania */
@keyframes scrollLogos {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-250px * 19)); } /* Przesuw o liczbę unikalnych logo */
}

/* RWD - Liczba logotypów */
/* Large Desktop: 6 logotypów widocznych (uśrednione odstępy) */
@media (max-width: 1400px) {
    .logo-item { width: calc(var(--container-width) / 6 - 60px); }
}

/* Tablety: 4 logotypy */
@media (max-width: 992px) {
    .logo-item { width: 180px; margin: 0 20px; }
    @keyframes scrollLogos {
        100% { transform: translateX(calc(-220px * 19)); }
    }
}

/* Telefon: 2 logotypy */
@media (max-width: 576px) {
    .logo-item { width: 140px; margin: 0 15px; }
    .section-subtitle { font-size: 0.9rem; }
    @keyframes scrollLogos {
        100% { transform: translateX(calc(-170px * 19)); }
    }
}

/* Style dla sekcji Read More w Realizacjach */
.read-more-wrapper {
    margin: 20px 0;
}

.btn-show-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: none;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 10px 25px;
    border-radius: 30px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

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

.btn-show-more svg {
    width: 20px;
    height: 20px;
    transition: transform 0.4s ease;
}

.btn-show-more.active svg {
    transform: rotate(180deg);
}

/* Kontener ukrytej treści */
.hidden-projects-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease;
    opacity: 0;
}

.hidden-projects-container.open {
    max-height: 2500px; /* Wystarczająco duża wartość dla listy */
    opacity: 1;
    margin-top: 30px;
}

/* Układ listy po rozwinięciu */
.projects-grid-full {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 12px;
}

.project-cat h4 {
    color: var(--primary);
    border-left: 4px solid var(--accent);
    padding-left: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.project-cat ul {
    list-style: none;
    padding-left: 0;
}

.project-cat ul li {
    padding: 8px 0;
    /* border-bottom: 1px solid rgba(0,0,0,0.05); */
    font-size: 0.95rem;
    position: relative;
    padding-left: 20px;
}

.project-cat ul li::before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.individual-note {
    margin-top: 15px;
    font-style: italic;
    color: #64748b;
    font-weight: 600;
}

@media (min-width: 768px) {
    .projects-grid-full {
        grid-template-columns: 1fr 1fr;
    }
}