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

html {
    scroll-behavior: smooth;
}

body {
    font-family: system-ui, sans-serif;
    line-height: 1.6;
    background: #111;
    color: #f2f2f2;
    padding: 0 1rem;
}

/* ---------- ACCESSIBILITY ---------- */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #A8F5D1;
    color: #000;
    padding: 8px;
    z-index: 100;
}
.skip-link:focus {
    top: 0;
}

/* Focus styles */
:focus {
    outline: 3px solid #A8F5D1;
    outline-offset: 3px;
}

/* ---------- HEADER ---------- */
.header {
    max-width: 900px;
    margin: 1rem auto;
    padding: 1rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.4rem;
    font-weight: bold;
}

/* Theme toggle */
#theme-toggle {
    background: none;
    border: 2px solid #A8F5D1;
    color: #A8F5D1;
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1rem;
}

/* ---------- LAYOUT ---------- */
main {
    max-width: 900px;
    margin: 0 auto;
}

/* Sections */
section {
    margin: 3rem 0;
}

/* ---------- HERO ---------- */
.hero h1 {
    font-size: 2.5rem;
    margin-bottom: .5rem;
}

.tagline {
    color: #A8F5D1;
    font-weight: bold;
    margin-bottom: 1rem;
}

.btn {
    background: #A8F5D1;
    color: #000;
    padding: 0.7rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    display: inline-block;
    margin-top: 1rem;
}

/* ---------- SERVICES ---------- */
.services h2 {
    margin-bottom: 1.5rem;
}

.service-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 600px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.card {
    background: #1a1a1a;
    padding: 1.5rem;
    border-radius: 10px;
    border: 1px solid #333;
}
.card h3 {
    color: #A8F5D1;
    margin-bottom: 0.5rem;
}

/* ---------- PORTFOLIO ---------- */
.portfolio ul {
    margin-top: 1rem;
}
.portfolio a {
    color: #FFC9E8;
    text-decoration: underline;
}

/* ---------- ABOUT ---------- */
.about p {
    margin-top: 1rem;
}

/* ---------- CONTACT ---------- */
.contact-form {
    margin-top: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

input, textarea {
    background: #1a1a1a;
    border: 1px solid #333;
    color: #fff;
    padding: 0.6rem;
    border-radius: 6px;
}

/* ---------- FOOTER ---------- */
.footer {
    text-align: center;
    margin: 3rem 0 2rem;
    color: #777;
}

/* ---------- LIGHT MODE ---------- */
.light-mode {
    background: #fafafa;
    color: #111;
}
.light-mode header,
.light-mode main {
    color: #111;
}
.light-mode .card {
    background: #fff;
}
.light-mode a {
    color: #ff8acb;
}
.light-mode #theme-toggle {
    border-color: #ff8acb;
    color: #ff8acb;
}