:root {
    --bg: #0f1511;
    --bg-alt: rgba(24, 33, 28, 0.85);
    --text: #e6ede0;
    --text-muted: #a9b5a6;
    --accent: #a3b18a;
    --accent-alt: #cfdac1;
    --accent-soft: rgba(163, 177, 138, 0.22);
    --accent-contrast: #222b21;
    --border: rgba(163, 177, 138, 0.2);
    --card: rgba(20, 28, 24, 0.65);
    --shadow: 0 18px 45px rgba(6, 14, 10, 0.45);
}

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

html {
    scroll-behavior: smooth;
}

*::selection {
    background: var(--accent-soft);
    color: var(--accent-contrast);
}

body {
    font-family: 'Fira Code', monospace;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background 0.5s ease, color 0.5s ease;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 15% 20%, rgba(163, 177, 138, 0.18), transparent 45%),
        radial-gradient(circle at 85% 10%, rgba(143, 169, 140, 0.16), transparent 45%),
        linear-gradient(135deg, #0b100d 0%, #15211c 50%, #0f1511 100%);
    z-index: -2;
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    background: linear-gradient(160deg, rgba(255, 255, 255, 0.04), transparent 55%);
    mix-blend-mode: soft-light;
    opacity: 0.8;
    pointer-events: none;
    z-index: -1;
}

/* Header & Nav */
header {
    background: var(--bg-alt);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
}

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

nav h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    color: var(--accent);
    letter-spacing: 0.12em;
}

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

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    transition: color 0.3s, letter-spacing 0.3s;
    position: relative;
    padding-bottom: 0.35rem;
    letter-spacing: 0.04em;
}

nav ul li a:hover {
    color: var(--accent);
    letter-spacing: 0.08em;
}

nav ul li a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
    opacity: 0.8;
}

nav ul li a:hover::after,
nav ul li a:focus-visible::after {
    transform: scaleX(1);
}

nav ul li a:focus-visible {
    outline: none;
    color: var(--accent);
}

/* Hamburger (for mobile nav) */
.hamburger {
    display: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--accent);
}

/* Sections */
section {
    padding: 5rem 2rem;
    max-width: 1100px;
    margin: auto;
    position: relative;
    isolation: isolate;
}

section:not(#home) {
    background: rgba(15, 21, 17, 0.55);
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    padding: 4.5rem 3rem;
    overflow: hidden;
    animation: fadeUp 0.9s ease both;
}

section:not(#home)::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 10%, rgba(163, 177, 138, 0.1) 55%, transparent 100%);
    opacity: 0.8;
    pointer-events: none;
}

.intro {
    text-align: center;
    margin-top: 2rem;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
    padding: 3rem 2.5rem;
    background: rgba(15, 21, 17, 0.55);
    border: 1px solid var(--border);
    border-radius: 28px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    animation: fadeUp 0.9s ease 0.1s both;
}

.glow {
    color: var(--accent);
    text-shadow: 0 0 5px var(--accent), 0 0 18px var(--accent-alt);
    display: inline-block;
    animation: glowPulse 3s ease-in-out infinite alternate;
}

#home {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 80px);
}

#home::before {
    content: "";
    position: absolute;
    inset: 15% 5% auto 5%;
    height: 60%;
    background: radial-gradient(circle at center, rgba(163, 177, 138, 0.12), transparent 70%);
    filter: blur(10px);
    z-index: -1;
}

.intro h2 {
    font-size: clamp(2.5rem, 6vw, 3.5rem);
    margin-bottom: 1rem;
}

.intro p {
    font-size: 1.1rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

section h2 {
    color: var(--accent);
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin-bottom: 2.5rem;
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

section h2::before {
    content: "";
    width: 44px;
    height: 2px;
    background: var(--accent-alt);
    opacity: 0.7;
}

section h2::after {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px rgba(163, 177, 138, 0.6);
}

/* About */
.about-content {
    display: flex;
    gap: 2.5rem;
    align-items: center;
    flex-wrap: wrap;

}

.about-content img {
    width: 200px;
    border-radius: 10px;
    border: 2px solid var(--accent);
    box-shadow: 0 12px 32px rgba(12, 20, 15, 0.35);
    background: rgba(0, 0, 0, 0.12);
    transition: transform 0.4s ease, box-shadow 0.4s ease;

}

.about-content img:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 38px rgba(163, 177, 138, 0.35);
}

.about-content p {
    flex: 1;
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    letter-spacing: 0.02em;

}

.about-content p strong {
    color: var(--text);
}

/* Projects */
.project-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
}

.project {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.5rem;
    position: relative;
    backdrop-filter: blur(16px);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    box-shadow: var(--shadow);
    overflow: hidden;
    animation: fadeUp 0.9s ease both;
}

.project:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 22px 50px rgba(163, 177, 138, 0.28);
}

.project::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(163, 177, 138, 0.2), transparent 60%);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.project:hover::before {
    opacity: 1;
}

.project img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.project h3 {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.5rem;
    color: var(--text);
}

.project p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.project:nth-child(2) {
    animation-delay: 0.12s;
}

.project:nth-child(3) {
    animation-delay: 0.24s;
}

.project:nth-child(4) {
    animation-delay: 0.36s;
}

/* Contact form */
form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    background: var(--card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

form input,
form textarea {
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid var(--border);
    background: var(--bg-alt);
    color: var(--text);
    font-family: inherit;
    transition: border-color 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
}

form input:focus,
form textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(163, 177, 138, 0.15);
}

form textarea {
    min-height: 160px;
    resize: vertical;
}

form button {
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 0.9rem;
    border-radius: 999px;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    letter-spacing: 0.08em;
}

form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(163, 177, 138, 0.35);
}

form button:focus-visible {
    outline: none;
    transform: translateY(-2px);
    box-shadow: 0 0 0 4px rgba(163, 177, 138, 0.25);
}

form button:active {
    transform: translateY(0);
    box-shadow: 0 6px 18px rgba(163, 177, 138, 0.3);
}

@keyframes fadeUp {
    0% {
        opacity: 0;
        transform: translateY(35px);
    }

    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes glowPulse {
    0% {
        text-shadow: 0 0 4px var(--accent), 0 0 14px var(--accent-alt);
    }

    100% {
        text-shadow: 0 0 10px var(--accent), 0 0 26px rgba(163, 177, 138, 0.9);
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}



/* Matrix Canvas */
#matrix {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    pointer-events: none;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        display: none;
        flex-direction: column;
        background: var(--bg-alt);
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
    }

    nav ul.show {
        display: flex;
    }

    .hamburger {
        display: block;
    }

    nav h1 {
        font-size: 1.5rem;
        letter-spacing: 0.08em;
    }

    #home {
        min-height: auto;
        padding: 5rem 1.75rem;
    }

    .intro {
        padding: 2.5rem 1.75rem;
        border-radius: 22px;
    }

    section {
        padding: 4rem 1.75rem;
    }

    section:not(#home) {
        padding: 3rem 1.75rem;
        border-radius: 18px;
    }

    .project-list {
        gap: 2rem;
    }

    form {
        padding: 2rem 1.5rem;
    }

    .about-content {
        flex-direction: column;
    }

}