/* ═══════════════════════════════════════════════════
   LAPO LAZZATI — SHARED DESIGN SYSTEM
   European Editorial Salon
   ═══════════════════════════════════════════════════ */

:root {
    --cream: #f5f2eb;
    --white: #fafafa;
    --black: #1c1917;
    --red: #c1121f;
    --red-light: rgba(193, 18, 31, 0.08);
    --red-glow: rgba(193, 18, 31, 0.15);
    --gray-dark: #2d2d2d;
    --gray-mid: #6b6b6b;
    --gray-light: #d4d0c8;
    --gold: #b8956a;
    --col-width: 720px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'DM Sans', -apple-system, sans-serif;
    background: var(--cream);
    color: var(--black);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background: var(--red);
    color: var(--white);
}

/* Paper texture — old book feel */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(184, 149, 106, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(184, 149, 106, 0.04) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 100%, rgba(193, 18, 31, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Grain / noise overlay */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 9999;
}

/* ── NAVIGATION ── */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

nav.scrolled {
    background: rgba(245, 242, 235, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 14px 0;
    box-shadow: 0 1px 0 rgba(0,0,0,0.06);
}

.nav-inner {
    max-width: var(--col-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--black);
    text-decoration: none;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 24px;
    list-style: none;
}

.nav-links a {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--gray-mid);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: color 0.2s ease;
}

.nav-links a:hover { color: var(--black); }
.nav-links a.active { color: var(--black); }

/* ── COLUMN ── */
.col {
    max-width: var(--col-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ── HERO (homepage only) ── */
.hero {
    padding: 100px 0 0;
}

.hero-portrait {
    width: 100%;
    aspect-ratio: 5 / 4;
    overflow: hidden;
    position: relative;
    margin-bottom: 48px;
    border-radius: 2px;
}

.hero-portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 20%;
    display: block;
    filter: saturate(0.9);
}

.hero-portrait::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--cream), transparent);
    pointer-events: none;
}

.hero h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.4rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 28px;
}

.hero h1 em {
    font-style: italic;
    color: var(--red);
}

.hero-intro {
    font-size: 1.12rem;
    color: var(--gray-dark);
    line-height: 1.75;
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-links {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-bottom: 64px;
    border-bottom: 1px solid var(--gray-light);
}

.hero-links a {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gray-mid);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
}

.hero-links a:hover { color: var(--black); }

.hero-links svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* ── PAGE HEADER (sub-pages) ── */
.page-header {
    padding: 120px 0 60px;
    border-bottom: 1px solid var(--gray-light);
}

.page-header .section-label {
    margin-bottom: 16px;
}

.page-header h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.2rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.page-header .page-desc {
    color: var(--gray-mid);
    font-size: 1.05rem;
    line-height: 1.7;
    max-width: 560px;
}

/* ── SECTIONS ── */
.section {
    padding: 80px 0;
}

.section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--red);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--red);
}

.section h2 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-intro {
    color: var(--gray-mid);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 560px;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--gray-light);
    margin: 0;
}

/* ── BUTTONS ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 28px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: none;
    cursor: pointer;
    text-decoration: none;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--red);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--red-glow);
}

.btn-outline {
    background: transparent;
    color: var(--black);
    border: 1px solid var(--gray-light);
}

.btn-outline:hover {
    border-color: var(--black);
}

/* ── NEWSLETTER FORM ── */
.newsletter-form {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.newsletter-form input[type="email"] {
    flex: 1;
    padding: 16px 20px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    border: 1px solid var(--gray-light);
    background: var(--white);
    color: var(--black);
    border-radius: 2px;
    outline: none;
    transition: border-color 0.2s ease;
}

.newsletter-form input[type="email"]::placeholder {
    color: var(--gray-mid);
}

.newsletter-form input[type="email"]:focus {
    border-color: var(--red);
}

.newsletter-note {
    font-size: 0.78rem;
    color: var(--gray-mid);
    margin-top: 12px;
}

/* ── PODCAST SECTION ── */
.podcast-section {
    background: var(--black);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.podcast-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -30%;
    width: 70%;
    height: 180%;
    background: radial-gradient(ellipse, rgba(193, 18, 31, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

/* Paper texture on dark sections */
.podcast-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.podcast-section .section-label::before { background: var(--red); }
.podcast-section .section-intro { color: rgba(255,255,255,0.6); }
.podcast-section h2 { color: var(--white); }

.podcast-title-line {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 20px;
}

.podcast-title-line h2 { margin-bottom: 0; }

.podcast-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--red);
    background: rgba(193, 18, 31, 0.15);
    padding: 4px 10px;
    border-radius: 2px;
    white-space: nowrap;
}

.episode-list {
    list-style: none;
    margin-top: 40px;
}

.episode-item {
    display: grid;
    grid-template-columns: 32px 1fr;
    gap: 20px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    align-items: start;
}

.episode-item:last-child { border-bottom: none; }

.episode-number {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--red);
}

.episode-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 4px;
}

.episode-desc {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.5;
}

/* ── EXPERIENCE ── */
.experience-list {
    display: flex;
    flex-direction: column;
}

.exp-item {
    padding: 48px 0;
    border-bottom: 1px solid var(--gray-light);
    position: relative;
}

.exp-item:last-child { border-bottom: none; }

.exp-item.current::before {
    content: 'NOW';
    position: absolute;
    top: 48px;
    right: 0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    color: var(--red);
    letter-spacing: 0.1em;
    background: var(--red-light);
    padding: 4px 10px;
    border-radius: 2px;
}

.exp-period {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--gray-mid);
    margin-bottom: 10px;
}

.exp-role {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.exp-company {
    font-size: 0.95rem;
    color: var(--red);
    font-weight: 500;
    margin-bottom: 16px;
}

.exp-desc {
    color: var(--gray-mid);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 560px;
}

.exp-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.exp-metric {
    background: var(--white);
    padding: 20px 24px;
    min-width: 140px;
    position: relative;
    border-radius: 2px;
}

.exp-metric::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--red);
    border-radius: 2px 0 0 2px;
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.exp-metric:hover::before { transform: scaleY(1); }

.exp-metric-value {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1;
}

.exp-metric-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-mid);
    margin-top: 6px;
}

/* ── RESEARCH / ARTICLE CARDS ── */
.article-list {
    display: flex;
    flex-direction: column;
}

.article-card {
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-light);
    display: block;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.article-card:last-child { border-bottom: none; }

.article-card:hover {
    padding-left: 16px;
}

.article-card:hover .article-title {
    color: var(--red);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.article-date {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    color: var(--gray-mid);
}

.article-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--red);
    background: var(--red-light);
    padding: 3px 8px;
    border-radius: 2px;
}

.article-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 8px;
    transition: color 0.2s ease;
}

.article-desc {
    color: var(--gray-mid);
    font-size: 0.92rem;
    line-height: 1.6;
    max-width: 560px;
}

.article-source {
    font-size: 0.78rem;
    color: var(--gray-mid);
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-source::before {
    content: '';
    width: 12px;
    height: 1px;
    background: var(--gray-mid);
}

/* ── ARTICLE CONTENT (Individual article pages) ── */
.article-content {
    padding: 120px 0 80px;
}

.article-breadcrumb {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-mid);
    margin-bottom: 24px;
}

.article-breadcrumb a {
    color: var(--gray-mid);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-breadcrumb a:hover {
    color: var(--red);
}

.article-content h1 {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 5vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 24px;
}

.article-byline {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--gray-mid);
    padding-bottom: 32px;
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 48px;
}

.article-byline span:first-child {
    font-weight: 500;
    color: var(--black);
}

.article-body {
    max-width: 600px;
}

.article-body p {
    margin-bottom: 24px;
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--gray-dark);
}

.article-body h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 600;
    margin-top: 48px;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 36px;
    margin-bottom: 16px;
}

.article-body ul {
    margin: 24px 0;
    padding-left: 24px;
}

.article-body ul li {
    margin-bottom: 12px;
    line-height: 1.7;
    color: var(--gray-dark);
}

.article-body strong {
    font-weight: 600;
    color: var(--black);
}

.code-block {
    background: var(--white);
    border-left: 3px solid var(--red);
    padding: 20px 24px;
    margin: 32px 0;
    border-radius: 2px;
}

.code-block code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--gray-dark);
}

.article-footer {
    margin-top: 64px;
    padding-top: 32px;
    border-top: 1px solid var(--gray-light);
}

.back-link {
    font-size: 0.85rem;
    color: var(--gray-mid);
    text-decoration: none;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--red);
}

/* ── READING LIST ── */
.reading-group {
    margin-bottom: 64px;
}

.reading-group:last-child { margin-bottom: 0; }

.reading-group-title {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-mid);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-light);
    margin-bottom: 0;
}

.reading-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid rgba(0,0,0,0.04);
    align-items: start;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.reading-item:hover {
    padding-left: 12px;
}

.reading-item:hover .reading-title {
    color: var(--red);
}

.reading-item:last-child { border-bottom: none; }

.reading-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.05rem;
    font-weight: 500;
    margin-bottom: 4px;
    transition: color 0.2s ease;
}

.reading-author {
    font-size: 0.82rem;
    color: var(--gray-mid);
}

.reading-note {
    font-size: 0.85rem;
    color: var(--gray-mid);
    line-height: 1.5;
    margin-top: 6px;
    font-style: italic;
}

.reading-type {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-mid);
    white-space: nowrap;
    padding-top: 4px;
}

/* ── CONTACT ── */
.contact-section {
    background: var(--white);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-mid);
}

.form-field input,
.form-field textarea {
    padding: 16px 20px;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.95rem;
    border: 1px solid var(--gray-light);
    background: var(--cream);
    color: var(--black);
    border-radius: 2px;
    outline: none;
    transition: border-color 0.2s ease;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    border-color: var(--red);
}

.form-field textarea { min-height: 160px; }

.contact-form .btn { align-self: flex-start; }

/* ── FOOTER ── */
footer {
    background: var(--black);
    color: rgba(255,255,255,0.5);
    padding: 48px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-name {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    color: var(--white);
    font-weight: 500;
}

.footer-detail {
    font-size: 0.8rem;
    margin-top: 4px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--white); }

/* ── ANIMATIONS ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.stagger-1 { transition-delay: 0.05s; }
.stagger-2 { transition-delay: 0.1s; }
.stagger-3 { transition-delay: 0.15s; }
.stagger-4 { transition-delay: 0.2s; }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
    .nav-links { display: none; }
    .hero { padding-top: 80px; }
    .hero-portrait { aspect-ratio: 4 / 3; }
    .page-header { padding: 100px 0 40px; }
    .newsletter-form { flex-direction: column; }
    .form-row { grid-template-columns: 1fr; }

    .exp-item.current::before {
        position: static;
        display: inline-block;
        margin-bottom: 10px;
    }

    .exp-metrics { flex-direction: column; gap: 12px; }
    .exp-metric { min-width: auto; }

    .hero-links { flex-wrap: wrap; }

    .reading-item { grid-template-columns: 1fr; gap: 8px; }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }

    .section { padding: 60px 0; }
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--black);
    margin: 5px 0;
    transition: 0.3s;
}

@media (max-width: 640px) {
    .nav-toggle { display: block; }
}