/* ─────────────────────────────────────────────────────────────────────────────
   Alessandro Massarenti — CV Styles
   ───────────────────────────────────────────────────────────────────────────── */

@font-face {
    font-family: 'Cormorant Garamond';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: local('Cormorant Garamond Light');
}

@font-face {
    font-family: 'DM Mono';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: local('DM Mono Light');
}

@font-face {
    font-family: 'DM Sans';
    font-style: normal;
    font-weight: 300;
    font-display: swap;
    src: local('DM Sans Light');
}

/* CSS Variables */
:root {
    --ink: #0a0a0a;
    --ink-2: #262626;
    --ink-3: #4a4a4a;
    --ink-4: #5a5a5a;
    --paper: #ffffff;
    --paper-2: #f0f0f0;
    --paper-3: #e5e5e5;
    --accent: #b84524;
    --line: rgba(0,0,0,0.15);
    
    --font-sans: 'DM Sans', sans-serif;
    --font-mono: 'DM Mono', monospace;
    --font-serif: 'Cormorant Garamond', serif;
    
    --shadow-card: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-card-hover: 0 8px 32px rgba(0,0,0,0.12);
    --shadow-section: 0 2px 16px rgba(0,0,0,0.06);
    --shadow-float: 0 6px 20px rgba(0,0,0,0.1);
    
    --radius-card: 16px;
    --radius-sm: 8px;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    background-color: var(--paper);
    color: var(--ink);
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Animations */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up { animation: fadeUp 0.5s ease both; }
.animate-fade-up-delay-1 { animation: fadeUp 0.6s 0.08s ease both; }
.animate-fade-up-delay-2 { animation: fadeUp 0.6s 0.16s ease both; }
.animate-fade-up-delay-3 { animation: fadeUp 0.6s 0.24s ease both; }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--ink);
    color: var(--paper);
    padding: 12px 24px;
    z-index: 1000;
    font-family: var(--font-mono);
    font-size: 14px;
    text-decoration: none;
}

.skip-link:focus {
    top: 10px;
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Sidebar Navigation
   ───────────────────────────────────────────────────────────────────────────── */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 200px;
    height: 100vh;
    background: var(--paper-2);
    border-right: 1px solid var(--line);
    padding: 80px 20px 40px;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--ink-3);
    font-family: var(--font-mono);
    font-size: 13px;
    text-decoration: none;
    transition: all 0.2s;
}

.nav-item:hover {
    background: var(--paper-3);
    color: var(--accent);
}

.nav-item.active {
    background: var(--paper-3);
    color: var(--accent);
}

.nav-number {
    font-size: 12px;
    opacity: 0.6;
    min-width: 24px;
}

.nav-label {
    font-weight: 500;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 101;
    width: 44px;
    height: 44px;
    background: var(--ink);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    transition: all 0.2s;
}

.mobile-menu-toggle span {
    width: 18px;
    height: 2px;
    background: var(--paper);
    transition: all 0.3s;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
        width: 240px;
    }

    .sidebar.sidebar-open {
        transform: translateX(0);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .page {
        padding-left: 0;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Layout
   ───────────────────────────────────────────────────────────────────────────── */

.page {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 80px 240px;
}

@media (min-width: 768px) {
    .page {
        padding: 0 40px 80px 240px;
    }
}

@media (max-width: 1024px) {
    .page {
        padding-left: 24px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Hero Section
   ───────────────────────────────────────────────────────────────────────────── */

.hero {
    padding: 72px 0 56px;
    border-bottom: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: end;
    position: relative;
    overflow-x: hidden;
}

@media (min-width: 768px) {
    .hero {
        padding: 90px 0 56px;
        grid-template-columns: 1fr auto;
        gap: 48px;
    }
}

.hero-content {
    max-width: 700px;
}

.hero-name-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--line);
    box-shadow: var(--shadow-section);
    flex-shrink: 0;
}

.hero-name {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0;
}

@media (min-width: 768px) {
    .hero-image {
        width: 250px;
        height: 250px;
    }
    
    .hero-name {
        font-size: clamp(4rem, 7vw, 6rem);
    }
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-2);
    margin-bottom: 14px;
}

.location-link {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
    font-weight: 600;
}

.location-link:hover {
    border-bottom-color: var(--accent);
}

.hero-name em {
    font-style: italic;
    color: var(--accent);
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 17px;
    color: var(--ink-3);
    margin-top: 28px;
    letter-spacing: 0.06em;
    line-height: 1.9;
}

.hero-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-start;
    padding-bottom: 4px;
}

@media (min-width: 768px) {
    .hero-contact {
        align-items: flex-end;
    }
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--ink-2);
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.05em;
    transition: color 0.2s;
    font-weight: 500;
}

.contact-item:hover {
    color: var(--accent);
}

.contact-item i {
    width: 16px;
    height: 16px;
    opacity: 0.7;
    flex-shrink: 0;
    text-align: center;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Main Grid
   ───────────────────────────────────────────────────────────────────────────── */

.sections {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

@media (min-width: 768px) {
    .sections {
        grid-template-columns: 1fr 1fr;
    }
}

.section {
    padding: 52px 0;
    border-bottom: 1px solid var(--line);
    position: relative;
}

.section.full-width {
    grid-column: 1 / -1;
}

@media (min-width: 768px) {
    .section.left {
        padding-right: 52px;
        border-right: 1px solid var(--line);
    }
    
    .section.right {
        padding-left: 52px;
    }
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 36px;
}

.section-index {
    font-family: var(--font-serif);
    font-size: 4.5rem;
    font-weight: 300;
    color: var(--ink-4);
    line-height: 1;
    user-select: none;
    flex-shrink: 0;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-3);
    border-left: 3px solid var(--accent);
    padding-left: 14px;
    font-weight: 600;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Experience
   ───────────────────────────────────────────────────────────────────────────── */

.exp-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 0 24px;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
}

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

.exp-date {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ink-3);
    letter-spacing: 0.05em;
    padding-top: 4px;
    line-height: 1.5;
    font-weight: 500;
}

.exp-title {
    font-family: var(--font-serif);
    font-size: 25px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.2;
    margin-bottom: 4px;
}

.exp-company {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent);
    letter-spacing: 0.08em;
    margin-bottom: 10px;
    font-weight: 500;
}

.exp-desc {
    font-size: 15px;
    color: var(--ink-3);
    line-height: 1.75;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Skills
   ───────────────────────────────────────────────────────────────────────────── */

.skills-section {
    padding: 52px 24px;
    border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
    .skills-section {
        padding: 52px 52px 52px 24px;
        border-right: 1px solid var(--line);
    }
}

.skills-group {
    margin-bottom: 40px;
}

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

.skills-group-label {
    font-family: var(--font-mono);
    font-size: 14px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-3);
    margin-bottom: 16px;
    font-weight: 600;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    font-family: var(--font-mono);
    font-size: 14px;
    padding: 10px 16px;
    border: 1px solid var(--line);
    background: var(--paper-2);
    color: var(--ink-2);
    letter-spacing: 0.05em;
    border-radius: var(--radius-card);
    transition: all 0.2s;
    cursor: default;
    font-weight: 500;
}

.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: var(--shadow-section);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Education
   ───────────────────────────────────────────────────────────────────────────── */

.edu-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

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

.edu-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
    box-shadow: var(--shadow-section);
    border-radius: 50%;
}

.edu-icon i {
    font-size: 18px;
    color: white;
}

.edu-degree {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
}

.edu-school {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ink-3);
    letter-spacing: 0.06em;
    margin-top: 4px;
    font-weight: 500;
}

.edu-year {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ink-3);
    margin-top: 4px;
    font-weight: 500;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Languages
   ───────────────────────────────────────────────────────────────────────────── */

.lang-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 0;
}

.lang-card {
    padding: 18px;
    border: 1px solid var(--line);
    background: var(--paper-2);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-section);
}

.lang-name {
    font-family: var(--font-mono);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--ink-3);
    margin-bottom: 4px;
    word-wrap: break-word;
    font-weight: 500;
}

.lang-level {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--ink);
    word-wrap: break-word;
}

.lang-cert {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-3);
    margin-top: 4px;
    word-wrap: break-word;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Projects
   ───────────────────────────────────────────────────────────────────────────── */

.projects-grid-full {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .projects-grid-full {
        grid-template-columns: repeat(3, 1fr);
    }
}

.project-card {
    background: var(--paper);
    padding: 28px;
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-card);
    transition: all 0.25s;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    background: var(--paper-2);
    box-shadow: var(--shadow-card-hover);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.project-card:hover::before {
    transform: scaleY(1);
}

.project-num {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ink-3);
    letter-spacing: 0.1em;
    margin-bottom: 14px;
    font-weight: 500;
}

.project-title {
    font-family: var(--font-serif);
    font-size: 21.5px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 10px;
    line-height: 1.2;
}

.project-desc {
    font-size: 15px;
    color: var(--ink-3);
    line-height: 1.7;
    margin-bottom: 18px;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.project-tag {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-2);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    background: var(--paper-2);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.project-tag-sep {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--ink-3);
}

.project-link {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--accent);
    letter-spacing: 0.08em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    transition: gap 0.2s;
}

.project-link:hover {
    gap: 10px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Interests
   ───────────────────────────────────────────────────────────────────────────── */

.interests-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.interest-card {
    background: var(--paper-2);
    padding: 20px;
    border-radius: var(--radius-card);
    border: 1px solid var(--line);
    transition: all 0.2s;
}

.interest-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-section);
}

.interest-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 8px;
}

.interest-desc {
    font-size: 14px;
    color: var(--ink-3);
    line-height: 1.6;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────────────────────────────── */

footer {
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-name {
    font-family: var(--font-serif);
    font-size: 15px;
    color: var(--ink-3);
    letter-spacing: 0.05em;
}

.footer-built {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--ink-3);
    letter-spacing: 0.1em;
}