/* =========================================
   CSS CUSTOM PROPERTIES
   ========================================= */
:root {
  --accent: #d5f365;
  --repo-link: rgba(200, 255, 0, 0.856);
  --accent-glow: rgba(213, 243, 101, 0.25);
  --bg: #000000;
  --bg-card: #0b0b0b;
  --bg-dot: #222222;
  --text-primary: blanchedalmond;
  --text-muted: rgb(141, 141, 141);
  --border: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(213, 243, 101, 0.18);
  --font: "Raleway", serif;
  --radius: 12px;
  --nav-height: 64px;
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  scroll-behavior: smooth;
  background-color: var(--bg);
  background-image: radial-gradient(var(--bg-dot) 1.05px, var(--bg) 1.05px);
  background-size: 21px 21px;
  text-align: center;
  padding-bottom: 80px;
}

/* =========================================
   NAVBAR
   ========================================= */
.navbar {
  position: fixed;
  top: 20px;
  right: 28px;
  left: auto;
  width: auto;
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 6px 8px;
  height: auto;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-accent);
  border-radius: 50px;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  background: rgba(0, 0, 0, 0.85);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.nav-brand { display: none; }

.nav-links {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  margin-bottom: 0.7px;

}

.nav-links .nav-link {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  padding: 1px 15px;
  border-radius: 50px;
  border-bottom: none;
  transition: color 0.2s ease, background 0.2s ease;
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.nav-links .nav-link:hover,
.nav-links .nav-link.active {
  color: #000;
  background: var(--accent);
  text-shadow: none;
  border-bottom-color: transparent;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

@media (max-width: 640px) {
  .navbar { top: 12px; right: 16px; padding: 5px 6px; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: auto;
    min-width: 150px;
    flex-direction: column;
    gap: 2px;
    background: rgba(5, 5, 5, 0.97);
    border: 2px solid var(--border-accent);
    border-radius: 16px;
    padding: 6px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-top: none; }
  .nav-links .nav-link {
    display: block;
    padding: 10px 16px;
    text-align: left;
  }
}

/* =========================================
   HERO / HEADER
   ========================================= */
header {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.hero-subtitle {
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 1.5px;
  margin: 0;
  width: fit-content;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 8px;
}

/* =========================================
   SECTIONS
   ========================================= */
section:not(.projects-section) {
  padding: 70px 20px;
  border-bottom: 1px solid var(--border);
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

/* =========================================
   HEADINGS
   ========================================= */
h1 {
  color: var(--accent);
  font-family: var(--font);
  font-size: clamp(2.8rem, 9vw, 5rem);
  font-weight: 900;
  margin: 0;
  letter-spacing: -1px;
  text-shadow: 0 0 60px var(--accent-glow);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  display: inline-block;
  text-align: center;
  color: var(--accent);
  font-family: var(--font);
  font-weight: 800;
  position: relative;
  margin-bottom: 12px;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}

h2:hover { text-shadow: 0 0 20px rgba(255, 255, 255, 0.3); }

/* =========================================
   SKILLS
   ========================================= */
.skills-container {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 30px;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 14px;
  text-align: center;
  padding: 10px;
  max-width: 600px;
  margin: 0 auto;
}

@media screen and (max-width: 768px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); max-width: 100%; }
}

.skill-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 90px;
  height: 90px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 16px;
  background: rgba(221, 255, 99, 0.096);
  border: 1px solid var(--border-accent);
  font-family: var(--font);
  color: var(--accent);
  text-align: center;
  padding: 10px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
  cursor: default;
}

.skill-box:hover {
  transform: translateY(-5px) scale(1.06);
  box-shadow: 0 8px 28px var(--accent-glow);
  background: rgba(213, 243, 101, 0.1);
}

.skill-box img { width: 38px; height: auto; }

/* =========================================
   PROJECTS SECTION
   ========================================= */
.projects-section {
  padding: 70px 30px;
  border-bottom: 1px solid var(--border);
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 44px;
  text-align: left;
}

@media (max-width: 680px) {
  .projects-grid { grid-template-columns: 1fr; }
  .projects-section { padding: 60px 16px; }
}

/* =========================================
   PROJECT CARDS
   ========================================= */
.box {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--border-accent);
  background: var(--bg-card);
  border-radius: var(--radius);
  font-family: var(--font);
  color: var(--accent);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.box:hover {
  transform: translateY(-5px);
  box-shadow: 0 14px 40px rgba(213, 243, 101, 0.1);
  border-color: rgba(213, 243, 101, 0.4);
}

.project-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent);
  font-family: var(--font);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.tag {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 20px;
  background: rgba(213, 243, 101, 0.08);
  color: var(--accent);
  border: 1px solid rgba(213, 243, 101, 0.22);
  font-family: var(--font);
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.project-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  padding-top: 8px;
}

.project-links a {
  font-size: 0.90rem;
  font-weight: 700;
  padding: 5px 14px;
  background: rgb(36, 36, 36);
  border: 1px solid rgba(213, 243, 101, 0.22);
  border-radius: 8px;
  color: var(--repo-link);
  text-decoration: none;
  transition: background 0.2s ease, box-shadow 0.2s ease;
  letter-spacing: 0.3px;
}

.project-links a:hover {
  background: rgba(213, 243, 101, 0.16);
  box-shadow: 0 0 12px var(--accent-glow);
  text-shadow: none;
}

/* =========================================
   BUTTONS
   ========================================= */
.bottone1 {
  padding: 12px 22px;
  border-radius: 20px;
  background: var(--accent);
  border: none;
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: center;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.bottone1:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(213, 243, 101, 0.45);
}

.bottone1:active { transform: scale(0.95); }

/* =========================================
   TYPOGRAPHY
   ========================================= */
p {
  display: block;
  margin: auto;
  width: fit-content;
  color: var(--text-primary);
  font-family: var(--font);
  max-width: 70%;
  text-align: center;
}

.smol-text {
  color: var(--text-primary);
  text-align: left;
  font-family: var(--font);
  font-size: 0.88rem;
  line-height: 1.6;
  opacity: 0.85;
  margin: 0;
  width: 100%;
  max-width: 100%;
}

.tiny-text {
  color: var(--text-muted);
  text-align: center;
  font-family: var(--font);
  font-size: 0.75rem;
}

.cvlinktext {
  text-align: center;
  padding: 5px;
  color: var(--text-primary);
  font-family: var(--font);
  line-height: 1.9;
  max-width: 100%;
}

/* =========================================
   LINKS
   ========================================= */
a {
  padding: 5px;
  color: var(--accent);
  text-decoration: none;
  transition: text-shadow 0.2s ease;
}

a:hover { text-shadow: 0 0 12px rgba(232, 243, 128, 0.6); }

/* =========================================
   FOOTER
   ========================================= */
footer { padding: 50px 20px 20px; text-align: center; }

.commits-section {
  max-width: 100%;
  overflow-x: auto;
  padding: 0 12px;
  scroll-margin-right: 0;
}

.commits-container {
  background-color: #000;
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  border-radius: 20px;
  overflow: hidden;
}

.commits-container img {
  display: block;
  width: 100%;
  /* height: auto; */
}

/* =========================================
   BACK TO TOP
   ========================================= */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-size: 1.2rem;
  font-weight: 900;
  border: none;
  cursor: pointer;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  z-index: 500;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover { box-shadow: 0 0 20px var(--accent-glow); }

/* =========================================
   ANIMATION INITIAL STATE
   ========================================= */
section, h1, h2, .box, .skill-box, p, .cvlinktext, .bottone1 {
  will-change: opacity, transform;
}

/* =========================================
   MISC
   ========================================= */
ul {
  list-style: none;
  text-align: center;
  padding: 5px;
  color: var(--text-primary);
  font-family: var(--font);
}

.flex-container { display: flex; flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 20px; }
.flex-item { border-radius: 10%; background-color: rgb(185, 185, 185); padding: 10px; margin-top: 20px; }

.input {
  display: block;
  margin: auto;
  background: none;
  border: none;
  outline: none;
  max-width: 190px;
  padding: 10px 20px;
  font-size: 16px;
  border-radius: 10px;
  text-align: center;
  background-color: #ffffff;
  color: #000000;
}

.input:hover { box-shadow: 0 5px 30px rgba(213, 243, 101, 0.3); }

#toggle-mode {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font-family: var(--font);
  color: var(--text-primary);
  cursor: pointer;
}

/* =========================================
   LIGHT MODE
   ========================================= */
body.light-mode {
  --accent: #0066cc;
  --accent-glow: rgba(0, 102, 204, 0.2);
  --bg: #f4f6f9;
  --bg-card: #ffffff;
  --bg-dot: #d8dde6;
  --text-primary: #1a1a2e;
  --text-muted: #666680;
  --border: rgba(0, 0, 0, 0.08);
  --border-accent: rgba(0, 102, 204, 0.2);
  background-color: var(--bg);
  background-image: radial-gradient(var(--bg-dot) 1.05px, var(--bg) 1.05px);
}

body.light-mode .navbar {
  background: rgba(244, 246, 249, 0.75);
  border-color: rgba(0, 102, 204, 0.25);
}

body.light-mode .nav-links .nav-link { color: #1a1a2e; }

body.light-mode .skill-box {
  background: rgba(0, 102, 204, 0.05);
  border-color: rgba(0, 102, 204, 0.2);
}

body.light-mode .skill-box:hover {
  background: rgba(0, 102, 204, 0.1);
  box-shadow: 0 8px 28px rgba(0, 102, 204, 0.18);
}

body.light-mode .bottone1 { background-color: var(--accent); color: #ffffff; }
body.light-mode .bottone1:hover { box-shadow: 0 6px 28px rgba(0, 102, 204, 0.4); }

body.light-mode .box { background-color: #ffffff; border-color: rgba(0, 102, 204, 0.18); box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06); }
body.light-mode .box:hover { box-shadow: 0 14px 40px rgba(0, 102, 204, 0.13); border-color: var(--accent); }

body.light-mode .tag { background: rgba(0, 102, 204, 0.07); border-color: rgba(0, 102, 204, 0.2); }
body.light-mode .project-links a { background: rgba(0, 102, 204, 0.06); border-color: rgba(0, 102, 204, 0.2); }
body.light-mode .project-links a:hover { background: rgba(0, 102, 204, 0.14); }

body.light-mode a { color: var(--accent); }
body.light-mode section { border-bottom-color: rgba(0, 0, 0, 0.08); }
body.light-mode .back-to-top { background: var(--accent); color: #ffffff; }
body.light-mode #toggle-mode { color: #1a1a2e; }

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}