/* =====================
       VARIABLES & RESET
    ===================== */
:root {
    --bg: #f7f5f2;
    --bg2: #eeeae3;
    --surface: rgba(255, 255, 255, 0.7);
    --surface-border: rgba(255, 255, 255, 0.5);
    --text: #1a1814;
    --text-muted: #7a7060;
    --accent: #2d6a4f;
    --accent-soft: rgba(45, 106, 79, 0.1);
    --accent-edu: #50fa7b;
    --accent-work: #bd93f9;
    --accent-vol: #ff6b6b;
    --radius: 18px;
    --nav-h: 80px;
}

:root.dark {
    --bg: #111110;
    --bg2: #1a1917;
    --surface: rgba(30, 28, 26, 0.75);
    --surface-border: rgba(255, 255, 255, 0.08);
    --text: #f0ebe2;
    --text-muted: #7a7060;
    --accent: #7ee8a2;
    --accent-soft: rgba(126, 232, 162, 0.1);
}

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

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

body {
    font-family: 'DM Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    transition: background 0.4s, color 0.4s;
    padding-bottom: calc(var(--nav-h) + 24px);
}

/* =====================
       SECTIONS
    ===================== */
section {
    max-width: 780px;
    margin: 0 auto;
    padding: 100px 24px 60px;
}

section:first-of-type {
    padding-top: 0;
}

.section-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 40px;
    letter-spacing: -0.03em;
}

/* =====================
       HERO
    ===================== */
#home {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 780px;
    padding: 0 24px;
    gap: 0;
}

.hero-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hero-eyebrow::before {
    content: '';
    display: block;
    width: 28px;
    height: 1px;
    background: var(--accent);
}

.hero-name {
    font-size: clamp(3rem, 9vw, 6rem);
    font-weight: 700;
    line-height: 1.0;
    letter-spacing: -0.04em;
    margin-bottom: 18px;
}

.hero-role {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 48px;
    line-height: 1.6;
    max-width: 480px;
}

.terminal-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg2);
    border: 1px solid var(--surface-border);
    border-radius: 10px;
    padding: 10px 16px;
    font-family: 'DM Mono', monospace;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 48px;
}

.terminal-pill .prompt {
    color: var(--accent);
}

.terminal-pill .typed {
    color: var(--text);
}

.terminal-pill .cursor {
    width: 7px;
    height: 14px;
    background: var(--accent);
    display: inline-block;
    animation: blink 1s step-end infinite;
    border-radius: 1px;
    margin-left: 1px;
    vertical-align: middle;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1
    }

    50% {
        opacity: 0
    }
}

.hero-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--text);
    color: var(--bg);
}

.btn-primary:hover {
    opacity: 0.75;
}

.btn-ghost {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--bg2);
}

.btn-ghost:hover {
    background: var(--bg2);
}

.scroll-hint {
    position: absolute;
    bottom: calc(var(--nav-h) + 36px);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.35;
    animation: fadeDown 2s ease-in-out infinite;
    pointer-events: none;
}

.scroll-hint span {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-hint i {
    font-size: 0.75rem;
}

@keyframes fadeDown {

    0%,
    100% {
        opacity: 0.35;
        transform: translateX(-50%) translateY(0);
    }

    50% {
        opacity: 0.6;
        transform: translateX(-50%) translateY(6px);
    }
}

/* =====================
       ABOUT
    ===================== */
.about-grid {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 48px;
    align-items: start;
}

.about-photo {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg2);
}

.about-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--text);
}

.about-text b {
    font-weight: 600;
}

.about-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.chip {
    background: var(--bg2);
    color: var(--text-muted);
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    padding: 5px 12px;
    border-radius: 50px;
    border: 1px solid transparent;
}

/* =====================
       PROJECTS
    ===================== */
.featured-card {
    background: var(--bg2);
    border-radius: 24px;
    overflow: hidden;
    margin-bottom: 28px;
    position: relative;
    border: 1px solid var(--surface-border);
}

.featured-card-inner {
    padding: 36px;
    display: grid;
    grid-template-columns: 1fr 140px;
    gap: 32px;
    align-items: center;
}

.featured-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.featured-title {
    font-size: 1.9rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #326CE5, #00D9FF);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.featured-desc {
    font-size: 0.93rem;
    line-height: 1.65;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.tech-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.tech-tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    background: var(--accent-soft);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 50px;
}

.featured-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.featured-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-logo-wrap img {
    width: 110px;
    animation: floatY 5s ease-in-out infinite;
}

@keyframes floatY {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.project-card {
    background: var(--bg2);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--surface-border);
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.project-card h4 {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.project-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.5;
    flex: 1;
}

.project-stack {
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.project-arrow {
    font-size: 0.8rem;
    color: var(--accent);
    align-self: flex-end;
}

/* =====================
       TIMELINE
    ===================== */
.timeline-group {
    margin-bottom: 56px;
}

.timeline-group-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--bg2);
}

.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 8px;
    bottom: 8px;
    left: 0;
    width: 1.5px;
    background: linear-gradient(to bottom, var(--bg2), var(--bg2) 95%, transparent);
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-dot {
    position: absolute;
    top: 6px;
    left: -30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--bg);
}

.tl-edu {
    background: var(--accent-edu);
}

.tl-work {
    background: var(--accent-work);
}

.tl-vol {
    background: var(--accent-vol);
}

.tl-date {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.tl-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
    letter-spacing: -0.01em;
}

.tl-place {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.tl-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.tl-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.tl-tag {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    background: var(--bg);
    color: var(--text-muted);
    padding: 3px 9px;
    border-radius: 50px;
    border: 1px solid var(--surface-border);
}

/* =====================
       CONTACT
    ===================== */
.contact-wrap {
    text-align: center;
    padding: 80px 24px;
}

.contact-heading {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    margin-bottom: 14px;
}

.contact-sub {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.social-row {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 28px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg2);
    border: 1px solid var(--surface-border);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.2s;
}

.social-icon:hover {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

/* =====================
       FOOTER
    ===================== */
footer {
    text-align: center;
    padding: 20px 24px 12px;
    font-size: 0.78rem;
    color: var(--text-muted);
    font-family: 'DM Mono', monospace;
}

footer a {
    color: var(--text-muted);
    text-decoration: none;
}

footer a:hover {
    color: var(--text);
}

/* =====================
       iOS 26 LIQUID GLASS BOTTOM NAV
    ===================== */
.bottom-nav {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;

    display: flex;
    align-items: center;
    gap: 4px;

    padding: 8px 10px;
    border-radius: 28px;

    /* Liquid Glass effect */
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.12),
        0 2px 6px rgba(0, 0, 0, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.55);
}

.dark .bottom-nav {
    background: rgba(20, 18, 16, 0.55);
    border-color: rgba(255, 255, 255, 0.1);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.45),
        0 2px 6px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 8px 16px;
    border-radius: 20px;
    text-decoration: none;
    color: var(--text-muted);
    font-family: 'DM Sans', sans-serif;
    font-size: 0.64rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: all 0.25s cubic-bezier(.4, 0, .2, 1);
    cursor: pointer;
    border: none;
    background: none;
    position: relative;
    overflow: hidden;
    min-width: 52px;
}

.nav-item i {
    font-size: 1rem;
    transition: transform 0.2s;
}

.nav-item:hover {
    color: var(--text);
}

.nav-item:hover i {
    transform: scale(1.15);
}

.nav-item.active {
    color: var(--text);
    background: rgba(255, 255, 255, 0.35);
    box-shadow:
        0 1px 4px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.dark .nav-item.active {
    background: rgba(255, 255, 255, 0.1);
    box-shadow:
        0 1px 4px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

/* divider */
.nav-divider {
    width: 1px;
    height: 28px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 1px;
    margin: 0 2px;
}

.dark .nav-divider {
    background: rgba(255, 255, 255, 0.1);
}

/* theme toggle as pill button */
.nav-theme {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
    margin-left: 4px;
}

.nav-theme:hover {
    background: rgba(255, 255, 255, 0.4);
}

.dark .nav-theme {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.12);
}

/* =====================
       TERMS MODAL
    ===================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.show {
    display: flex;
}

.modal-box {
    background: var(--bg);
    border-radius: 24px;
    border: 1px solid var(--surface-border);
    max-width: 560px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 36px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.2);
}

.modal-box h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.modal-box h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin: 18px 0 6px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'DM Mono', monospace;
    font-size: 0.7rem;
}

.modal-box p,
.modal-box li {
    font-size: 0.9rem;
    line-height: 1.65;
    color: var(--text-muted);
}

.modal-box ul {
    padding-left: 1.2rem;
}

.modal-box a {
    color: var(--accent);
}

.modal-close {
    float: right;
    background: var(--bg2);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--text);
    color: var(--bg);
}

/* =====================
       ANIMATIONS / SCROLL REVEAL
    ===================== */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

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

/* =====================
       RESPONSIVE
    ===================== */
@media (max-width: 640px) {
    section {
        padding: 80px 20px 48px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-photo {
        width: 120px;
    }

    .featured-card-inner {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .featured-logo-wrap {
        display: none;
    }

    .nav-item span {
        display: none;
    }

    .nav-item {
        min-width: 40px;
        padding: 8px 12px;
    }
}

/* Rimuove il fastidioso riquadro blu al tap su mobile */
a, button, .btn, .nav-item, .scroll-hint {
    -webkit-tap-highlight-color: transparent;
}