/* ==========================================================================
   STYLE GLOBALNE & SYSTEM PROJEKTOWY SOŁECTWA CHARZYKOWY
   ========================================================================== */

/* Import czcionek z Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* Zmienne globalne (Design Tokens) */
:root {
    /* Kolory - nawiązanie do jeziora, wiatru i piasku */
    --color-primary: rgb(15, 45, 89);
    /* Głęboki Granat Jeziorny */
    --color-primary-light: #1d4ed8;
    /* Królewski Błękit */
    --color-secondary: #0ea5e9;
    /* Jasny Błękit / Woda */
    --color-accent: #eab308;
    /* Piaskowe Złoto / Słońce */
    --color-accent-hover: #ca8a04;
    /* Ciemne Złoto */
    --color-forest: #0d9488;
    /* Morski Zielony / Bory Tucholskie */
    --color-forest-light: #14b8a6;
    /* Jasny Teal */

    /* Kolory Tła i Tekstu */
    --color-bg-light: #f8fafc;
    /* Jasne Tło */
    --color-bg-card: #ffffff;
    /* Tło Kart */
    --color-bg-dark: #0b1329;
    /* Ciemna Stopka / Hero */
    --color-text-dark: #0f172a;
    /* Ciemny Tekst */
    --color-text-muted: #475569;
    /* Przygaszony Tekst */
    --color-text-light: #f8fafc;
    /* Jasny Tekst */

    /* Fonty */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Odstępy i Wymiary */
    --container-width: 1200px;
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;

    /* Efekty i Cienie */
    --shadow-sm: 0 2px 4px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Reset CSS */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

button,
input,
select,
textarea {
    font-family: inherit;
}

/* Struktura i Kontenery */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

section {
    padding: 40px 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 16px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    margin: 12px auto 0;
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.125rem;
    max-width: 700px;
    margin: 0 auto 50px;
}

/* Przyciski */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: 30px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-heading);
    gap: 8px;
}

.btn-primary {
    background-color: var(--color-primary-light);
    color: #fff;
    box-shadow: 0 4px 14px rgba(29, 78, 216, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(15, 45, 89, 0.4);
}

.btn-accent {
    background-color: var(--color-accent);
    color: var(--color-primary);
    box-shadow: 0 4px 14px rgba(234, 179, 8, 0.3);
}

.btn-accent:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(202, 138, 4, 0.4);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* ==========================================================================
   NAGŁÓWEK & NAWIGACJA (Glassmorphism)
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(15, 45, 89, 0.08);
    transition: all var(--transition-normal);
}

.header.scrolled {
    height: 70px;
    background-color: rgba(15, 45, 89, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.scrolled .nav-link {
    color: var(--color-text-light);
}

.header.scrolled .logo-text span {
    color: var(--color-accent);
}

.header.scrolled .logo-text {
    color: #fff;
}

.header.scrolled .burger-bar {
    background-color: #fff;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

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

.logo-img {
    height: 48px;
    width: auto;
    transition: var(--transition-normal);
}

.header.scrolled .logo-img {
    height: 40px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-primary);
    line-height: 1.2;
}

.logo-text span {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-primary);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link.active {
    color: var(--color-primary-light);
}

.header.scrolled .nav-link.active {
    color: var(--color-accent);
}

/* Menu Mobilne - Hamburger */
.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    background: transparent;
    border: none;
    z-index: 1100;
}

.burger-bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ==========================================================================
   STOPKA (Footer)
   ========================================================================== */
.footer {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    padding: 70px 0 30px;
    border-top: 5px solid var(--color-accent);
    position: relative;
    overflow: hidden;
}

/* Delikatna tekstura fal w tle stopki */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(180deg, rgba(234, 179, 8, 0.03) 0%, transparent 100%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about .footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-about .footer-logo img {
    height: 50px;
}

.footer-about .footer-logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
}

.footer-about p {
    color: #94a3b8;
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.6;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
    color: #fff;
}

.footer-title::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--color-accent);
    margin-top: 8px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #94a3b8;
    font-size: 0.9rem;
}

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

.footer-contact-info {
    list-style: none;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: #94a3b8;
}

.footer-contact-info svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: var(--color-accent);
    stroke-width: 2;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-socials {
    display: flex;
    gap: 12px;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.social-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.social-icon:hover {
    background-color: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #64748b;
}

.footer-bottom-links {
    display: flex;
    gap: 20px;
}

.footer-bottom-links a:hover {
    color: var(--color-accent);
}

/* ==========================================================================
   ANIMACJE & UTILS
   ========================================================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

/* ==========================================================================
   RESPONSYWNOŚĆ (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    .section-title {
        font-size: 2rem;
    }

    .burger-menu {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 40px;
        transition: left var(--transition-normal);
        z-index: 999;
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        color: #fff;
        font-size: 1.25rem;
    }

    .header.scrolled .nav-link {
        color: #fff;
    }

    .burger-menu.active .burger-bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .burger-menu.active .burger-bar:nth-child(2) {
        opacity: 0;
    }

    .burger-menu.active .burger-bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}