:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --accent: #00d4ff;
    --dark: #1a1a2e;
    --text: #16213e;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Open Sans', sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    color: white;
    min-height: 100vh;
    line-height: 1.7;
    overflow-x: hidden; /* Zapobiega przesuwaniu na boki na telefonach */
}

/* Usunięcie domyślnych kropek z list w całym dokumencie */
ul { list-style: none; }
a { text-decoration: none; }

/* TŁO KOSMICZNE */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 10% 20%, rgba(0,212,255,0.15) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(0,102,255,0.15) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.05) 0%, transparent 30%);
    z-index: -2;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(1px 1px at 25px 35px, #fff2, transparent),
        radial-gradient(1px 1px at 75px 85px, #fff1, transparent),
        radial-gradient(2px 2px at 110px 45px, #fff3, transparent);
    background-size: 150px 100px;
    animation: stars 25s linear infinite;
    z-index: -1;
}

@keyframes stars {
    from { background-position: 0 0; }
    to { background-position: 0 -100px; }
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

/* HEADER */
.header {
    position: sticky;
    top: 0;
    background: rgba(10,10,30,0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,212,255,0.2);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 0;
}

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: white;
}

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

.hamburger {
    display: none;
    font-size: 1.9rem;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
}

/* MENU DESKTOP */
.nav-list {
    display: flex;
    gap: 3rem;
}

.nav-list a {
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    transition: 0.3s;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
    transition: 0.4s;
}

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

.nav-list a:hover,
.nav-list a.active { color: var(--accent); }

/* HERO */
.hero { padding: 7rem 0 6rem; text-align: center; }

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.hero-text h1 {
    font-size: 3.8rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(90deg, #00d4ff, #0066ff, #00ffaa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-text p {
    font-size: 1.5rem;
    margin-bottom: 3rem;
    color: #ccc;
}

.hero-image {
    border-radius: 28px;
    width: 100%;
    max-width: 600px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5);
    transition: 0.4s;
}

.hero-image:hover { transform: scale(1.04); }

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* PRZYCISKI */
.btn-primary, .btn-whatsapp {
    padding: 1.3rem 3rem;
    border-radius: 50px;
    font-size: 1.3rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.4s;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: white; }
.btn-whatsapp { background: linear-gradient(135deg, #25d366, #128c7e); color: white; }

.btn-primary:hover, .btn-whatsapp:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 20px 50px rgba(0,102,255,0.6);
}

/* BIAŁE SEKCJE / GLASS EFFECT */
.section, .feature, .trip-card, .pricing-card, .form-wrapper, .contact-box {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #222;
    border-radius: 24px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    margin: 2rem auto;
    transition: 0.4s;
}

.section { max-width: 1000px; text-align: center; padding: 4rem 3rem; }
.form-wrapper { max-width: 780px; padding: 4rem 3.5rem; border: 1px solid #e2e8f0; }

.page-title { font-size: 3rem; margin-bottom: 3rem; color: var(--primary); }

/* GRIDY */
.features-grid, .trips-grid, .pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature:hover, .trip-card:hover, .pricing-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 70px rgba(0,102,255,0.25);
}

.trip-card img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.price-big { font-size: 3.5rem; font-weight: 800; color: var(--primary); }

/* FORMULARZE */
.form-group { margin-bottom: 1.8rem; text-align: left; }
label { display: block; font-weight: 600; color: #1e2a3b; margin-bottom: 0.6rem; font-size: 1.05rem; }

input, textarea, select {
    width: 100%;
    padding: 1.1rem 1.4rem;
    border: 2px solid #c9d3e0;
    border-radius: 14px;
    font-size: 1.1rem;
    background: #fdfdfd;
    transition: 0.3s;
    font-family: inherit;
    color: #1a1a2e;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 5px rgba(0,102,255,0.1);
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 1.1rem 2.8rem;
    border: none;
    border-radius: 50px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
    transition: 0.3s;
    box-shadow: 0 10px 30px rgba(0,102,255,0.2);
}

.btn-submit:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(0,102,255,0.3); }

/* RESPONSYWNOŚĆ */
@media (max-width: 768px) {
    .hamburger { display: block; }
    
    .header-container { padding: 1rem 0; }

    .nav {
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        background: rgba(10,10,30,0.98);
        max-height: 0;
        opacity: 0;
        visibility: hidden;
        overflow: hidden;
        transition: 0.4s ease-in-out;
        backdrop-filter: blur(10px);
    }

    .nav.active {
        max-height: 500px;
        opacity: 1;
        visibility: visible;
        padding: 2rem 0;
        border-bottom: 2px solid var(--accent);
    }

    .nav-list {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
        padding: 0;
    }

    .hero h1 { font-size: 2.5rem; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn-primary, .btn-whatsapp { width: 100%; max-width: 300px; justify-content: center; }
    
    .section, .form-wrapper { margin: 1.5rem 1rem; padding: 2.5rem 1.5rem; }
}