* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root {
    --bg: #000000;
    --fg: #ffffff;
    --green: #00d800;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: "Courier New", "Courier", monospace;
    background: var(--bg);
    color: var(--fg);
    line-height: 1.6;

    letter-spacing: 0.05em;
}
/* ========== WAVEFORM BACKGROUND ========== */
.wave-background {

    position: fixed;

    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}
svg.wave-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0.15;
}
.wave-path {
    stroke-width: 1;
    fill: none;
}
.heartbeat-dot {

    fill: var(--green);
}
/* ========== HEADER ========== */
header {
    padding: 1.5rem 5%;
    border-bottom: 1px solid var(--green);
    background: var(--bg);
    position: relative;
    z-index: 100;
}
.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;

    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.2rem;
    color: var(--green);
    font-weight: bold;
    letter-spacing: 2px;
}
.logo::before {
    content: "$ ";
    color: var(--fg);
}
nav a {
    color: var(--fg);
    text-decoration: none;

    margin: 0 1rem;
    font-size: 0.9rem;
}
nav a:hover {

    color: var(--green);
}
/* ========== TERMINAL SECTIONS ========== */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 5%;
    position: relative;

    z-index: 10;
}
section h2 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--green);
    letter-spacing: 3px;
}
section h2::before {
    content: ">> ";
    color: var(--fg);

    margin-right: 0.5rem;
}
/* ========== HERO SECTION ========== */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;

    justify-content: center;

    padding: 3rem 2rem;
    text-align: left;
    position: relative;
    overflow: hidden;

}
.hero::before {
    content: "";

    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 5;
}
.hero-video {
    position: absolute;

    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}
.hero-content {
    max-width: 900px;
    z-index: 10;
    position: relative;
}
.hero h1 {
    font-size: 2rem;

    margin-bottom: 0.5rem;
    color: var(--green);
    font-weight: normal;

    line-height: 1.4;
}
.hero h1::before {
    content: "█ ";
}
.hero-subtitle {
    font-size: 0.95rem;
    color: var(--fg);
    margin-bottom: 1rem;
}
.hero-subtitle::before {
    content: "$ ";
    color: var(--green);
    margin-right: 0.5rem;

}
.cta-button {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    margin: 0.5rem 1rem 0.5rem 0;

    background: var(--bg);

    color: var(--green);
    text-decoration: none;
    border: 1px solid var(--green);
    cursor: pointer;
    font-family: "Courier New", monospace;
    font-size: 0.9rem;
    transition: color 0.2s;

}
.cta-button:hover {
    color: var(--fg);

    border-color: var(--fg);
}
/* ========== ABOUT SECTION ========== */
.about-grid {
    margin-top: 1.5rem;
}
.about-text p {
    margin: 1rem 0;
    font-size: 0.95rem;
    color: var(--fg);
}
.about-text p::before {
    content: "$ ";
    color: var(--green);
    margin-right: 0.5rem;

}
.about-text .highlight {
    color: var(--green);
}
/* ========== CERTIFICATIONS SECTION ========== */

.certifications-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}
.cert-card {
    background: var(--bg);
    border: 2px solid var(--green);

    padding: 1.5rem;

}
.cert-title {
    font-size: 0.95rem;
    color: var(--green);
    margin-bottom: 0.8rem;
    font-weight: bold;
}
.cert-issuer {
    color: var(--fg);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}
.cert-date {
    color: var(--green);
    font-size: 0.8rem;
    border: 1px solid var(--green);

    padding: 0.2rem 0.6rem;
    display: inline-block;
}
.cert-image {
    width: 100%;

    max-height: 280px;
    object-fit: contain;
    border: 2px solid var(--green);
    margin-bottom: 1rem;
    background: #111;
}
/* ========== EXPERIENCE SECTION ========== */
.experience-container {
    position: relative;
    margin-top: 1.5rem;
    padding-left: 40px;
}
.experience-container::before {
    content: "";
    position: absolute;
    left: 18px;

    top: 10px;
    bottom: 10px;
    width: 4px;
    background: var(--green);
    opacity: 0.3;
    border-radius: 50% 50% 0 0 / 60% 60% 40% 40%;
    box-shadow: 0 0 8px var(--green);

}
.experience-item {
    margin-bottom: 3rem;
    padding: 1.5rem;
    background: var(--bg);
    border: 1px solid var(--green);

    border-left: 4px solid var(--green);
    position: relative;
}
.experience-item::before {
    content: "";
    position: absolute;
    left: -40px;
    top: 28px;
    width: 16px;
    height: 16px;
    background: var(--bg);
    border: 3px solid var(--green);
    border-radius: 50%;
    z-index: 2;
}
.experience-header {
    display: flex;
    justify-content: space-between;

    align-items: flex-start;

    gap: 1rem;
    margin-bottom: 1rem;
}
.company-info {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}
.company-logo {
    width: 45px;
    height: 45px;
    object-fit: cover;
    border: 1px solid var(--green);
    background: #111;

    border-radius: 4px;
    flex-shrink: 0;
}
.experience-title {
    font-size: 0.95rem;
    color: var(--green);
    font-weight: bold;
}
.experience-date {
    color: var(--green);
    font-size: 0.85rem;
    border: 1px solid var(--green);
    padding: 0.2rem 0.6rem;
    white-space: nowrap;
}
.experience-company {
    color: var(--fg);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}
.experience-company::before {
    content: "@ ";
    color: var(--green);
}
.experience-desc {
    color: var(--fg);
    font-size: 0.85rem;
    line-height: 1.5;
}

/* ========== CONTACT SECTION ========== */
.contact-content {
    text-align: left;
    margin-top: 1.5rem;

}
.contact-text {

    font-size: 0.95rem;
    color: var(--fg);
    margin-bottom: 1.5rem;
}
.contact-text::before {
    content: "$ ";
    color: var(--green);
    margin-right: 0.5rem;
}
.contact-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.contact-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg);
    border: 1px solid var(--green);
    color: var(--green);
    text-decoration: none;
    transition: color 0.2s;
    font-size: 0.9rem;
}
.contact-link:hover {
    color: var(--fg);
    border-color: var(--fg);
}
/* ========== FOOTER ========== */
footer {
    background: var(--bg);
    border-top: 1px solid var(--green);
    padding: 1.5rem;
    text-align: center;
    color: var(--fg);
    font-size: 0.85rem;

    position: relative;
    z-index: 100;

}
footer::before {
    content: "$ ";
    color: var(--green);
    margin-right: 0.5rem;
}
/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 1.5rem;
    }
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }

    nav {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }
    nav a {
        margin: 0.25rem;
    }
    .experience-container {
        padding-left: 25px;
    }
    .experience-container::before {

        left: 10px;
    }

    .experience-item::before {
        left: -27px;
    }
    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;

    }
    .company-logo {
        width: 45px;
        height: 45px;
    }
}