/* ==========================================================================
   Reset & Variables
   ========================================================================== */

:root {
    --text-primary: #111111;
    --text-secondary: #555555;
    --bg: #fafafa;
    --surface: #ffffff;
    --accent: #f59e0b;
    --accent-hover: #d97706;
    --border: #e5e5e5;
    --max-width: 800px;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Lora', Georgia, serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==========================================================================
   Nav
   ========================================================================== */

.site-nav {
    position: sticky;
    top: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    z-index: 100;
    padding: 1rem 0;
}

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

.site-nav__logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
}

.site-nav__links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.site-nav__links a {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-decoration: none;
    transition: color 0.2s;
}

.site-nav__links a:hover,
.site-nav__links a.active {
    color: var(--text-primary);
}

.site-nav__hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.site-nav__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    margin: 5px 0;
    transition: transform 0.3s, opacity 0.3s;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
    text-align: center;
    padding: 5rem 0 3rem;
}

.hero__photo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 3px solid var(--border);
}

.hero__name {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.hero__tagline {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--text-secondary);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.hero__bio {
    max-width: 500px;
    margin: 0 auto 2rem;
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.hero__ctas {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.2s;
    display: inline-block;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--accent-hover);
    color: #fff;
}

.btn--outline {
    border: 2px solid var(--text-primary);
    color: var(--text-primary);
    background: transparent;
}

.btn--outline:hover {
    background: var(--text-primary);
    color: var(--surface);
}

/* ==========================================================================
   Sections, Cards, Article Preview
   ========================================================================== */

.section {
    padding: 3rem 0;
}

.section--border {
    border-top: 1px solid var(--border);
}

.section__title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.75rem;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--accent);
}

.card__label {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.card__title {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card__title a {
    color: var(--text-primary);
}

.card__title a:hover {
    color: var(--accent);
}

.card__desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.card__meta {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
}

.article-preview {
    padding: 2rem 0;
}

.article-preview__title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.article-preview__date {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.article-preview__content {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.article-preview__back {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   Bio, Contacts, Newsletter header, Footer, Responsive
   ========================================================================== */

.bio {
    padding: 3rem 0;
}

.bio h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.bio h2 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin: 2rem 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
}

.bio p {
    margin-bottom: 1rem;
}

.bio ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.bio ul li {
    padding: 0.4rem 0;
    padding-left: 1.25rem;
    position: relative;
}

.bio ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    transform: translateY(-50%);
}

.contacts-list {
    list-style: none;
    padding: 1rem 0;
}

.contacts-list li {
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contacts-list li:last-child {
    border-bottom: none;
}

.contacts-list__icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border-radius: 50%;
    flex-shrink: 0;
}

.contacts-list__icon svg {
    width: 20px;
    height: 20px;
    fill: var(--text-secondary);
}

.contacts-list__label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    display: block;
}

.contacts-list__link {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
}

.newsletter-header {
    text-align: center;
    padding: 3rem 0 1rem;
}

.newsletter-header h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.newsletter-header p {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 1.5rem;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 3rem;
}

.site-footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-footer__copy {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.site-footer__social {
    display: flex;
    gap: 1.25rem;
    list-style: none;
}

.site-footer__social a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

.site-footer__social a:hover {
    color: var(--accent);
}

.site-footer__social svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

@media (min-width: 768px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }

    .cards--three {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 767px) {
    .site-nav__links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem 1.5rem;
        gap: 0.75rem;
    }

    .site-nav__links.open {
        display: flex;
    }

    .site-nav__hamburger {
        display: block;
    }

    .hero__name {
        font-size: 1.75rem;
    }

    .site-footer .container {
        flex-direction: column;
        text-align: center;
    }
}