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

:root {
    --dark-navy: #001638;
    --navy: #001638;
    --blue: #2e4a6e;
    --cyan: #3a7ca5;
    --light-cyan: #5fa8d3;
    --white: #ffffff;
    --gray: #b8c5d6;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Raleway', sans-serif;
    background: var(--dark-navy);
    color: var(--white);
    overflow-x: hidden;
}

/* Nawigacja */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 25px 0;
    background: rgba(0, 22, 56, 0.95);
    backdrop-filter: blur(10px);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
}

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

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

.logo img {
    height: 70px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 50px;
    list-style: none;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    transition: color 0.3s;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--cyan);
    transition: width 0.3s;
}

.nav-menu a:hover {
    color: var(--cyan);
}

.nav-menu a:hover::after {
    width: 100%;
}

.sign-in {
    padding: 10px 28px;
    border: 1px solid var(--white);
    border-radius: 25px;
    transition: all 0.3s;
}

.sign-in:hover {
    background: var(--white);
    color: var(--dark-navy);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.gradient-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 70%;
    height: 100%;
    background: radial-gradient(ellipse at 70% 50%, 
        rgba(58, 124, 165, 0.4) 0%,
        rgba(46, 74, 110, 0.3) 25%,
        rgba(26, 35, 50, 0.2) 50%,
        transparent 70%);
    filter: blur(60px);
    animation: gradientShift 8s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }
    50% {
        transform: translate(-30px, 30px) scale(1.1);
        opacity: 0.8;
    }
}

.gradient-bg-2 {
    position: absolute;
    bottom: 10%;
    right: 15%;
    width: 50%;
    height: 60%;
    background: radial-gradient(ellipse at 50% 50%, 
        rgba(95, 168, 211, 0.3) 0%,
        rgba(58, 124, 165, 0.2) 35%,
        transparent 70%);
    filter: blur(80px);
    animation: gradientShift2 10s ease-in-out infinite;
}

@keyframes gradientShift2 {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(40px, -40px) scale(1.15);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-label {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    font-size: 12px;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 40px;
    font-weight: 500;
}

.hero h1 {
    font-size: 100px;
    font-weight: 300;
    letter-spacing: 15px;
    text-transform: uppercase;
    margin-bottom: 50px;
    line-height: 1.2;
}

.hero-description {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray);
    max-width: 700px;
    margin-bottom: 60px;
    font-weight: 400;
}

.hero-btn {
    display: inline-block;
    padding: 16px 50px;
    background: transparent;
    border: 2px solid var(--white);
    border-radius: 30px;
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    transition: all 0.4s;
}

.hero-btn:hover {
    background: var(--white);
    color: var(--dark-navy);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* Sections */
.section {
    position: relative;
    padding: 140px 0;
}

.section-title {
    font-size: 48px;
    font-weight: 300;
    letter-spacing: 8px;
    text-transform: uppercase;
    margin-bottom: 70px;
    text-align: center;
}

/* Cele Section */
.goals-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 80px;
}

.goal-card {
    padding: 60px 40px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    transition: all 0.4s;
    position: relative;
    overflow: hidden;
}

.goal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--cyan), var(--light-cyan));
    transform: scaleX(0);
    transition: transform 0.4s;
}

.goal-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(58, 124, 165, 0.4);
    transform: translateY(-10px);
}

.goal-card:hover::before {
    transform: scaleX(1);
}

.goal-number {
    font-size: 72px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    margin-bottom: 25px;
}

.goal-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.goal-card p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
    font-weight: 400;
}

/* Działania Section */
.activities-section {
    background: rgba(26, 35, 50, 0.3);
    position: relative;
}

.activities-section::before {
    content: '';
    position: absolute;
    top: -100px;
    left: 20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(58, 124, 165, 0.15) 0%, transparent 70%);
    filter: blur(60px);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 80px;
}

.activity-card {
    padding: 50px 45px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    transition: all 0.4s;
    position: relative;
}

.activity-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 0;
    background: linear-gradient(180deg, var(--cyan), var(--light-cyan));
    transition: height 0.4s;
}

.activity-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(58, 124, 165, 0.3);
    transform: translateX(10px);
}

.activity-card:hover::after {
    height: 100%;
}

.activity-icon {
    width: 50px;
    height: 50px;
    margin-bottom: 25px;
}

.activity-icon svg {
    width: 100%;
    height: 100%;
    fill: var(--white);
    opacity: 0.9;
}

.activity-card h4 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.activity-card p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gray);
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 160px 0;
    position: relative;
    overflow: hidden;
}

.cta-gradient {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(58, 124, 165, 0.2) 0%, transparent 70%);
    filter: blur(100px);
}

.cta-content {
    position: relative;
    z-index: 10;
}

.cta-section h2 {
    font-size: 64px;
    font-weight: 300;
    letter-spacing: 10px;
    text-transform: uppercase;
    margin-bottom: 40px;
}

.cta-section p {
    font-size: 18px;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

.cta-section .hero-btn {
    background: var(--cyan);
    border-color: var(--cyan);
    color: var(--white);
}

.cta-section .hero-btn:hover {
    background: var(--light-cyan);
    border-color: var(--light-cyan);
    color: var(--white);
}

/* Footer */
footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 3px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.footer-brand p {
    color: var(--gray);
    line-height: 1.8;
    font-size: 14px;
}

.footer-section h4 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 25px;
}

.footer-section a {
    display: block;
    color: var(--gray);
    text-decoration: none;
    margin-bottom: 12px;
    font-size: 14px;
    transition: all 0.3s;
}

.footer-section a:hover {
    color: var(--cyan);
    padding-left: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--gray);
    font-size: 13px;
    letter-spacing: 1px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 48px;
        letter-spacing: 8px;
    }

    .goals-grid,
    .activities-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .nav-menu {
        display: none;
    }

    .section-title {
        font-size: 32px;
    }

    .cta-section h2 {
        font-size: 40px;
        letter-spacing: 5px;
    }
}
