:root {
    --color-primary: #007bff;
    --color-primary-light: #4da3ff;
    --color-primary-dark: #0056b3;
    --color-accent: #00c2a8;
    --color-accent-light: #5ae0ce;
    --color-bg-light: #ffffff;
    --color-bg-soft: #f4f6fb;
    --color-bg-gray: #e6e9f2;
    --color-text-dark: #111827;
    --color-text-secondary: #4b5563;
    --color-text-light: #9ca3af;
    --color-border: #e5e7eb;
    --font-family-base: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", system-ui, sans-serif;
    --font-family-accent: "Poppins", system-ui, sans-serif;
    --space-xs: 8px;
    --space-sm: 12px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --shadow-sm: 0 1px 3px rgba(15,23,42,0.08);
    --shadow-md: 0 10px 25px rgba(15,23,42,0.08);
    --shadow-lg: 0 24px 60px rgba(15,23,42,0.16);
}

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

html { scroll-behavior: smooth; }

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* HEADER */

header {
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    height: 46px;
    display: flex;
    align-items: center;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

nav {
    display: flex;
    gap: var(--space-xl);
    align-items: center;
}

nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s ease;
}

nav a:hover {
    color: var(--color-primary);
}

.cta-button {
    background: var(--color-primary);
    color: #ffffff;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.15s ease;
    box-shadow: 0 10px 24px rgba(37,99,235,0.28);
}

.cta-button:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 16px 40px rgba(37,99,235,0.4);
}

/* HERO */

.hero {
    position: relative;
    padding: var(--space-3xl) 0 var(--space-2xl);
    background: radial-gradient(circle at top left, #e0f2ff 0, #ffffff 50%, #f4f6fb 100%);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.75), rgba(15,23,42,0.4));
    mix-blend-mode: multiply;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: var(--space-3xl);
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-family-accent);
    font-size: 48px;
    line-height: 1.1;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-md);
}

.hero-content .subtitle {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-accent-light);
    margin-bottom: var(--space-sm);
}

.hero-content p {
    font-size: 16px;
    color: #e5e7eb;
    max-width: 540px;
    margin-bottom: var(--space-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 999px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 15px;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: #ffffff;
    box-shadow: 0 14px 30px rgba(37,99,235,0.35);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 20px 45px rgba(37,99,235,0.45);
}

.btn-secondary {
    background: rgba(15,23,42,0.85);
    color: #ffffff;
}

.btn-secondary:hover {
    background: #020617;
    transform: translateY(-2px);
}

.hero-image {
    width: 100%;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 4px solid rgba(255,255,255,0.08);
    object-fit: cover;
}

/* SECTION TITLES */

.section-title {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section-title h2 {
    font-family: var(--font-family-accent);
    font-size: 36px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
}

.section-title p {
    font-size: 16px;
    color: var(--color-text-secondary);
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.8;
}

/* SEKCJE TŁA */

.section-services,
.section-benefits,
.section-contact {
    background: #ffffff;
    padding: var(--space-3xl) 0;
}

.section-features,
.section-timeline {
    background: var(--color-bg-soft);
    padding: var(--space-3xl) 0;
}

/* DLA KOGO / OFERTA – KARTY */

.services-grid,
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-2xl);
}

.service-card,
.feature-card {
    background: #ffffff;
    border-radius: 20px;
    padding: var(--space-2xl) var(--space-xl);
    text-align: center;
    border: 1px solid rgba(148,163,184,0.25);
    box-shadow: 0 18px 40px rgba(15,23,42,0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover,
.feature-card:hover {
    transform: translateY(-6px);
    border-color: var(--color-primary);
    box-shadow: 0 26px 60px rgba(15,23,42,0.18);
}

.service-icon,
.feature-icon {
    font-size: 40px;
    margin-bottom: var(--space-md);
}

.service-card h3,
.feature-card h3 {
    font-size: 18px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.service-card p,
.feature-card p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* STATYSTYKI */

.section-stats {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #ffffff;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-2xl);
    text-align: center;
}

.stat-item h3 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.stat-item p {
    font-size: 15px;
    opacity: 0.95;
}

/* DLACZEGO MY */

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-2xl);
}

.benefit-item {
    display: flex;
    gap: var(--space-lg);
}

.benefit-icon {
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 700;
}

.benefit-content h4 {
    font-size: 16px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.benefit-content p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* JAK DZIAŁAMY */

.section-timeline .timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-2xl);
}

.timeline-item {
    background: #ffffff;
    padding: var(--space-xl);
    border-radius: 16px;
    border-left: 4px solid var(--color-primary);
    box-shadow: 0 10px 30px rgba(15,23,42,0.08);
}

.timeline-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: #ffffff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 18px;
    margin-bottom: var(--space-md);
}

.timeline-item h3 {
    font-size: 18px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.timeline-item p {
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* KONTAKT */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-2xl);
    margin-top: var(--space-2xl);
}

.contact-item {
    background: #ffffff;
    padding: var(--space-xl);
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--color-border);
    box-shadow: 0 12px 32px rgba(15,23,42,0.06);
}

.contact-item h4 {
    font-size: 18px;
    color: var(--color-text-dark);
    margin-bottom: var(--space-md);
    font-weight: 600;
}

.contact-item p {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.contact-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

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

/* FOOTER */

footer {
    background: #020617;
    color: #ffffff;
    padding: var(--space-2xl) 0 var(--space-lg);
    text-align: center;
    font-size: 13px;
    line-height: 1.8;
}

footer a {
    color: var(--color-accent-light);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* ANIMACJE */

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

.animate-in {
    animation: fadeInUp 0.6s ease-out forwards;
}

/* RESPONSYWNOŚĆ */

@media (max-width: 900px) {
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: left;
    }
}

@media (max-width: 768px) {
    nav { display: none; }

    .hero-content h1 {
        font-size: 32px;
    }

    .section-title h2 {
        font-size: 28px;
    }

    .container {
        padding: 0 var(--space-md);
    }
}