/* Base styles */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    color: #111;
    background-color: #f6f6f6;
    line-height: 1.6;
}

/* Layout helpers */
.section {
    padding: 4rem min(8vw, 4rem);
    background-color: #f6f6f6;
}

.section-alt {
    background-color: #ffffff;
}

.section-header {
    max-width: 720px;
    margin: 0 auto 2rem auto;
    text-align: center;
}

.section-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

/* Header / Nav */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem min(8vw, 4rem);
    background-color: rgba(246, 246, 246, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0e0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    border: 2px solid #111;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
}

.logo-text {
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 1.25rem;
    font-size: 0.9rem;
}

.nav a {
    text-decoration: none;
    color: #444;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
}

.nav a:hover {
    color: #000;
}

/* Hero */
.hero {
    padding: 6rem min(8vw, 4rem);
    background: radial-gradient(circle at top left, #ffffff 0, #f1f1f1 55%, #e5e5e5 100%);
}

.hero-inner {
    max-width: 720px;
    margin: 0 auto;
}

.hero-tagline {
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.75rem;
    color: #777;
}

.hero h1 {
    font-size: clamp(2.2rem, 4vw, 3rem);
    margin: 0.5rem 0 0.75rem 0;
}

.hero-text {
    max-width: 520px;
    color: #555;
    margin-bottom: 1.75rem;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: 999px;
    border: none;
    background-color: #111;
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease,
        background-color 0.15s ease;
}

.btn-primary:hover {
    background-color: #000;
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

/* Portfolio grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.grid-item {
    background-color: #ffffff;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.grid-item img {
    width: 100%;
    display: block;
    object-fit: cover;
    max-height: 260px;
}

.grid-item figcaption {
    padding: 0.75rem 1rem 1rem;
    font-size: 0.85rem;
    color: #555;
}

/* About */
.two-column {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2rem;
}

.two-column p {
    margin-top: 0;
}

/* Contact */
.contact-layout {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr);
    gap: 2rem;
    align-items: start;
}

.contact-details h3 {
    margin-top: 0;
}

.contact-details a {
    color: #111;
    text-decoration: none;
    border-bottom: 1px solid #ccc;
}

.contact-details a:hover {
    border-bottom-color: #111;
}

/* Contact form */
.contact-form {
    background-color: #ffffff;
    padding: 1.75rem;
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
    display: grid;
    gap: 1rem;
}

.contact-form label {
    display: grid;
    gap: 0.35rem;
    font-size: 0.9rem;
}

.contact-form input,
.contact-form textarea {
    border-radius: 0.5rem;
    border: 1px solid #d4d4d4;
    padding: 0.6rem 0.75rem;
    font: inherit;
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #111;
}

/* Footer */
.site-footer {
    text-align: center;
    padding: 2rem 1rem 2.5rem;
    font-size: 0.8rem;
    color: #777;
}

/* Small text helper */
.small {
    font-size: 0.8rem;
    color: #777;
}

/* Responsive tweaks */
@media (max-width: 768px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .nav {
        width: 100%;
        justify-content: flex-start;
        flex-wrap: wrap;
        row-gap: 0.25rem;
    }

    .hero {
        padding-top: 5rem;
    }

    .two-column,
    .contact-layout {
        grid-template-columns: 1fr;
    }
}

/* Custom logo image */
.logo-img {
    height: 45px;
    width: auto;
}