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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

:root {
    --primary-color: #2196F3;
    --secondary-color: #E91E63;
    --text-color: #2c3e50;
    --bg-color: rgba(255, 255, 255, 0.98);
    --primary-gradient: linear-gradient(135deg, #2196F3, #E91E63);
    --shadow-color-1: rgba(33, 150, 243, 0.15);
    --shadow-color-2: rgba(233, 30, 99, 0.1);
}

body {
    overflow-x: hidden;
}

/* Header Styles */
.header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    background: var(--bg-color);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08),
                0 8px 30px var(--shadow-color-1),
                0 12px 40px var(--shadow-color-2);
    z-index: 1000;
    padding: 16px 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

/* Container */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo Styles */
.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    transition: transform 0.3s ease;
}

.logo::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transform: translateX(-100%);
    animation: shimmer 3s infinite;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 0;
    transition: all 0.3s ease;
    position: relative;
    opacity: 0.9;
}

.nav-link:hover {
    opacity: 1;
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    border-radius: 1px;
}

.nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Hamburger Menu */
.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin: -8px;
}

.bar {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-color);
    margin: 5px 0;
    border-radius: 1px;
    transition: all 0.3s ease;
}

/* Scroll Effect */
.header.scrolled {
    top: 0;
    width: 100%;
    border-radius: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1),
                0 8px 40px var(--shadow-color-1),
                0 12px 50px var(--shadow-color-2);
    padding: 12px 24px;
}

/* Animations */
@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    50%, 100% {
        transform: translateX(100%);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .header {
        padding: 14px 20px;
    }

    .hamburger {
        display: block;
        z-index: 1001;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: var(--bg-color);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        display: flex;
        justify-content: center;
        align-items: center;
        transition: all 0.3s ease;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 32px;
        text-align: center;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 12px;
    }

    /* Hamburger Animation */
    .hamburger.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

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

    .hamburger.active .bar:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

@media (max-width: 480px) {
    .header {
        top: 10px;
        padding: 12px 16px;
    }

    .logo {
        font-size: 1.3rem;
    }
}

/* Fixed Navigation Button Styles */
.fixed-nav {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 1000;
}

.nav-button {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(45deg, #2196F3, #E91E63);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.nav-button.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.nav-text {
    white-space: nowrap;
}

/* Hover Effects */
.nav-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #1976D2, #C2185B);
}

.nav-button:active {
    transform: translateY(-1px);
}

/* Animation for the icon */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

.nav-button:hover .nav-icon {
    animation: bounce 1s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .fixed-nav {
        bottom: 30px;
        right: 30px;
    }

    .nav-button {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .fixed-nav {
        bottom: 20px;
        right: 20px;
    }

    .nav-button {
        padding: 8px 14px;
    }
}