/* =========================================================
   Riccardo Siccardi — Sviluppatore web e consulente informatico
   ========================================================= */

@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/spacegrotesk-medium-latin.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("../fonts/spacegrotesk-bold-latin.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-variable-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --font-heading: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, sans-serif;

  --color-ink: #12142a;
  --color-ink-light: #4b5262;
  --color-indigo: #4338ca;
  --color-indigo-deep: #2c2586;
  --color-amber: #f59e0b;
  --color-white: #ffffff;
  --color-offwhite: #f5f6fb;
  --color-border: #e2e4ee;

  --font-size-body: clamp(1rem, 0.97rem + 0.15vw, 1.125rem);
  --line-height-body: 1.65;
  --radius: 12px;
}

/* ---------- Base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  background-color: var(--color-white);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
}

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

a {
  color: var(--color-indigo);
}

a:hover {
  color: var(--color-indigo-deep);
}

:focus-visible {
  outline: 3px solid var(--color-indigo);
  outline-offset: 2px;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  color: var(--color-ink);
  font-weight: 700;
  margin: 0;
  line-height: 1.15;
}

.section-title {
  font-size: clamp(1.6rem, 1.35rem + 1.4vw, 2.3rem);
  margin-bottom: 0.75rem;
}

.section-kicker {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-indigo);
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.section-lead {
  max-width: 42rem;
  color: var(--color-ink-light);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background-color: var(--color-indigo);
  color: var(--color-white);
  font-weight: 700;
}

.skip-link:focus {
  left: 0.5rem;
  top: 0.5rem;
}

/* ---------- Buttons ---------- */

.btn-ric {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

@media (prefers-reduced-motion: reduce) {
  .btn-ric {
    transition: none;
  }
}

.btn-ric:hover {
  transform: translateY(-2px);
}

.btn-ric .icon {
  width: 1.15em;
  height: 1.15em;
  flex-shrink: 0;
}

.btn-ric-indigo {
  background-color: var(--color-indigo);
  color: var(--color-white);
}

.btn-ric-indigo:hover {
  background-color: var(--color-indigo-deep);
  color: var(--color-white);
}

.btn-ric-amber {
  background-color: var(--color-amber);
  color: var(--color-ink);
}

.btn-ric-amber:hover {
  background-color: #d98a08;
  color: var(--color-ink);
}

.btn-ric-outline-indigo {
  background-color: transparent;
  border-color: var(--color-indigo);
  color: var(--color-indigo);
}

.btn-ric-outline-indigo:hover {
  background-color: var(--color-indigo);
  color: var(--color-white);
}

.btn-ric-outline-white {
  background-color: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-ric-outline-white:hover {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border-color: var(--color-white);
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 0.7rem 1.25rem;
  max-width: 1280px;
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.15rem;
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-ink);
}

.brand .accent {
  color: var(--color-amber);
}

.nav-primary {
  display: none;
}

.nav-menu {
  position: relative;
}

.nav-menu > summary {
  list-style: none;
  cursor: pointer;
  color: var(--color-indigo);
  padding: 0.4rem;
  display: inline-flex;
}

.nav-menu > summary::-webkit-details-marker {
  display: none;
}

.nav-menu .icon-open,
.nav-menu .icon-close {
  width: 26px;
  height: 26px;
}

.nav-menu .icon-close {
  display: none;
}

.nav-menu[open] .icon-open {
  display: none;
}

.nav-menu[open] .icon-close {
  display: block;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-list a {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--color-ink);
}

.nav-list a:hover {
  color: var(--color-indigo);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

@media (max-width: 991.98px) {
  .nav-menu > summary {
    position: relative;
    z-index: 2;
  }

  .nav-menu .nav-list {
    position: fixed;
    inset: 0;
    z-index: 1;
    flex-direction: column;
    justify-content: center;
    background-color: var(--color-white);
    display: none;
    gap: 2.25rem;
  }

  .nav-menu[open] .nav-list {
    display: flex;
  }

  .nav-menu .nav-list a {
    font-size: 1.4rem;
  }

  .header-cta .btn-ric-outline-indigo {
    display: none;
  }
}

@media (min-width: 992px) {
  .nav-primary {
    display: flex;
  }

  .nav-menu {
    display: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  background-color: var(--color-offwhite);
}

.hero-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(3rem, 2.5rem + 2.5vw, 5.5rem) 1.25rem;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.hero-kicker {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-indigo);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2rem, 1.5rem + 2.6vw, 2.9rem);
  margin-bottom: 1.1rem;
}

.hero-title .accent {
  color: var(--color-indigo);
}

.hero-sub {
  max-width: 40rem;
  margin: 0 0 2rem;
  color: var(--color-ink-light);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.hero-note {
  color: var(--color-ink-light);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-note .icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-indigo);
}

.hero-media {
  display: flex;
  justify-content: center;
}

.hero-media img {
  width: 100%;
  max-width: 320px;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 50%;
  border: 6px solid var(--color-white);
  box-shadow: 0 20px 40px -20px rgba(18, 20, 42, 0.35);
}

/* ---------- Sections generic ---------- */

.section {
  padding: clamp(3rem, 2.5rem + 3vw, 5.5rem) 1.25rem;
}

.section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.section-alt {
  background-color: var(--color-offwhite);
}

/* ---------- Chi sono ---------- */

.about-lead {
  max-width: 48rem;
}

.about-lead p + p {
  margin-top: 1rem;
}

/* ---------- Competenze ---------- */

.skills-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
  margin-top: 2.5rem;
}

@media (min-width: 650px) {
  .skills-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .skills-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.skill-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.skill-card .icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: var(--color-offwhite);
  color: var(--color-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.1rem;
}

.skill-card .icon-wrap .icon {
  width: 26px;
  height: 26px;
}

.skill-card h3 {
  font-size: 1.05rem;
  margin-bottom: 0.75rem;
}

.skill-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.skill-card li {
  color: var(--color-ink-light);
  font-size: 0.92rem;
  padding-left: 1.1rem;
  position: relative;
}

.skill-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-amber);
}

/* ---------- Esperienza (timeline) ---------- */

.timeline {
  list-style: none;
  margin: 2.5rem 0 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 0.4rem;
  bottom: 0.4rem;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding: 0 0 2rem 4rem;
}

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

.timeline-item .icon-wrap {
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--color-indigo);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.timeline-item .icon-wrap .icon {
  width: 22px;
  height: 22px;
}

.timeline-item .timeline-dates {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-indigo);
  margin-bottom: 0.3rem;
}

.timeline-item h3 {
  font-size: 1.1rem;
  margin-bottom: 0.2rem;
}

.timeline-item .timeline-role {
  display: block;
  color: var(--color-ink-light);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.timeline-item p {
  margin: 0;
  color: var(--color-ink-light);
}

.timeline-item ul {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
  color: var(--color-ink-light);
}

.timeline-item li + li {
  margin-top: 0.3rem;
}

/* ---------- Collaborazioni (tag chips) ---------- */

.collab-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.collab-tags li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.55rem 1.15rem;
  font-size: 0.9rem;
  color: var(--color-ink);
}

.collab-tags .icon {
  width: 18px;
  height: 18px;
  color: var(--color-indigo);
}

/* ---------- Formazione ---------- */

.education-grid {
  display: grid;
  gap: 2.5rem;
  margin-top: 2.5rem;
}

@media (min-width: 992px) {
  .education-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.education-group h3 {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.education-group h3 .icon {
  width: 22px;
  height: 22px;
  color: var(--color-indigo);
  flex-shrink: 0;
}

.education-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.25rem;
}

.education-list li {
  border-left: 3px solid var(--color-amber);
  padding-left: 1rem;
}

.education-list .edu-dates {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-ink-light);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.15rem;
}

.education-list .edu-title {
  display: block;
  font-weight: 600;
  color: var(--color-ink);
}

.education-list p {
  margin: 0.2rem 0 0;
  color: var(--color-ink-light);
  font-size: 0.92rem;
}

/* ---------- CTA finale ---------- */

.cta-band {
  background-color: var(--color-indigo-deep);
  color: var(--color-white);
  text-align: center;
  padding: clamp(3rem, 2.5rem + 3vw, 5.5rem) 1.25rem;
}

.cta-band h2 {
  color: var(--color-white);
}

.cta-band .section-lead {
  color: rgba(255, 255, 255, 0.8);
  margin: 0 auto 2rem;
}

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

/* ---------- Contatti ---------- */

.contact-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.contact-list .icon-wrap {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background-color: var(--color-white);
  color: var(--color-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-list .icon-wrap .icon {
  width: 20px;
  height: 20px;
}

.contact-list a {
  color: var(--color-white);
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
}

/* ---------- Footer ---------- */

.site-footer {
  background-color: var(--color-ink);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 1.25rem 1.5rem;
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 2rem;
}

.footer-col {
  flex: 1 1 200px;
}

.footer-col .brand {
  color: var(--color-white);
  margin-bottom: 0.75rem;
}

.footer-col .brand-mark {
  height: 22px;
  width: auto;
  margin-bottom: 0.9rem;
}

.footer-heading {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.footer-col address {
  font-style: normal;
  color: rgba(255, 255, 255, 0.75);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.85);
}

.social-links {
  gap: 0.75rem;
  margin: 1rem 0 0;
}

.footer-col .footer-links.social-links {
  flex-direction: row;
  align-items: center;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: var(--color-white);
  text-decoration: none;
}

.social-links a:hover {
  border-color: var(--color-white);
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.12);
}

.social-links .icon {
  width: 18px;
  height: 18px;
}

.footer-bottom {
  max-width: 1280px;
  margin: 2.5rem auto 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  font-size: 0.85rem;
}

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

.footer-bottom a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.footer-bottom p {
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col .footer-links {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
}

.footer-col .footer-links a {
  text-decoration: none;
}

.footer-col .footer-links a:hover {
  text-decoration: underline;
}

/* ---------- Pagine di testo (privacy) ---------- */

.legal-content {
  max-width: 52rem;
}

.legal-content h2 {
  font-size: 1.2rem;
  margin-top: 2rem;
  margin-bottom: 0.5rem;
}

.legal-content p {
  color: var(--color-ink-light);
}