@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;700&display=swap');

:root {
    --primary-color: #00aeff;
    --secondary-color: #0a192f;
    --text-color: #ccd6f6;
    --text-color-darker: #8892b0;
    --highlight-color: #64ffda;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--secondary-color);
    color: var(--text-color);
    line-height: 1.6;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
}

header {
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    padding: 1rem 5%;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
    transition: top 0.3s;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--highlight-color);
}

nav ul {
    list-style: none;
    display: flex;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 300;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--highlight-color);
}

main {
    padding: 0 10%;
}

section {
    min-height: 80vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 100px 0;
    border-bottom: 1px solid #1a2e4d;
}

#hero {
    min-height: 100vh;
    text-align: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-content .type-effect {
    color: var(--highlight-color);
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-color-darker);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-button {
    display: inline-block;
    padding: 0.8rem 2.5rem;
    border: 1px solid var(--highlight-color);
    border-radius: 4px;
    color: var(--highlight-color);
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: rgba(100, 255, 218, 0.1);
}

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--highlight-color);
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    margin: 10px auto 0;
}

.service-cards {
    display: flex;
    justify-content: space-around;
    gap: 2rem;
    flex-wrap: wrap;
}

.card {
    background: #0b1f3a;
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    flex-basis: 30%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 174, 255, 0.2);
}

.card h3 {
    font-size: 1.5rem;
    margin: 1rem 0;
    color: var(--text-color);
}

.card p {
    color: var(--text-color-darker);
}

#about p {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    font-size: 1.1rem;
}

#contact form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#contact input,
#contact textarea {
    width: 100%;
    padding: 0.8rem;
    background: #0a192f;
    border: 1px solid #1a2e4d;
    border-radius: 4px;
    color: var(--text-color);
    font-family: inherit;
}

#contact input::placeholder,
#contact textarea::placeholder {
    color: var(--text-color-darker);
}

#contact button {
    padding: 0.8rem 2rem;
    background: transparent;
    border: 1px solid var(--highlight-color);
    color: var(--highlight-color);
    cursor: pointer;
    transition: background-color 0.3s ease;
    align-self: center;
    border-radius: 4px;
}

#contact button:hover {
    background-color: rgba(100, 255, 218, 0.1);
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-color-darker);
    font-size: 0.9rem;
}