/*
Theme Name:   e3pr0m Theme
Theme URI:    https://www.e3pr0m.com
Author:       e3pr0m
Author URI:   https://www.e3pr0m.com
Description:  Custom developer portfolio theme — dark minimal con accenti neon
Version:      1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.2
License:      GNU General Public License v2 or later
License URI:  https://www.gnu.org/licenses/gpl-2.0.html
Text Domain:  e3pr0m-theme
Tags:         portfolio, dark, developer, custom
*/

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* =========================================
   CUSTOM PROPERTIES
   ========================================= */
:root {
  /* Colori */
  --color-bg:        #0d0d0d;
  --color-surface:   #141414;
  --color-border:    #1f1f1f;
  --color-text:      #e0e0e0;
  --color-muted:     #666;
  --color-accent:    #00ff99;   /* neon green */
  --color-accent-2:  #7b61ff;   /* neon violet */
  --color-danger:    #ff4d4d;

  /* Tipografia */
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans:  'Inter', system-ui, -apple-system, sans-serif;

  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  2rem;
  --fs-3xl:  3rem;

  /* Spaziature */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  2rem;
  --space-xl:  4rem;
  --space-2xl: 8rem;

  /* Layout */
  --max-width: 1100px;
  --radius:    6px;

  /* Transizioni */
  --transition: 0.2s ease;
}

/* =========================================
   BASE
   ========================================= */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition);
}

a:hover {
  opacity: 0.75;
}

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

code, pre, kbd {
  font-family: var(--font-mono);
}

/* =========================================
   LAYOUT
   ========================================= */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section {
  padding-block: var(--space-2xl);
}

/* =========================================
   HEADER
   ========================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(13, 13, 13, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-md);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.site-logo {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-text);
}

.site-logo span {
  color: var(--color-accent);
}

/* =========================================
   NAVIGAZIONE
   ========================================= */
.nav__list {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-muted);
  transition: color var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-accent);
  opacity: 1;
}

/* =========================================
   HERO
   ========================================= */
.hero {
  padding-block: var(--space-2xl);
  border-bottom: 1px solid var(--color-border);
}

.hero__label {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  letter-spacing: 0.1em;
}

.hero__title {
  font-size: clamp(var(--fs-2xl), 5vw, var(--fs-3xl));
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero__description {
  font-size: var(--fs-lg);
  color: var(--color-muted);
  max-width: 600px;
  margin-bottom: var(--space-xl);
}

/* Cursore terminale lampeggiante */
.cursor {
  display: inline-block;
  width: 2px;
  height: 1.2em;
  background: var(--color-accent);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}

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

.btn--primary:hover {
  opacity: 0.85;
  color: var(--color-bg);
}

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

.btn--outline:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  opacity: 1;
}

/* =========================================
   CARD PROGETTO
   ========================================= */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-lg);
  transition: border-color var(--transition), transform var(--transition);
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card__tag {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.card__title {
  font-size: var(--fs-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card__description {
  color: var(--color-muted);
  font-size: var(--fs-sm);
  margin-bottom: var(--space-md);
}

.card__footer {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: auto;
}

/* =========================================
   GRID PROGETTI
   ========================================= */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-xl);
  text-align: center;
}

.site-footer__text {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-muted);
}

.site-footer__text span {
  color: var(--color-accent);
}

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 768px) {
  .nav__list {
    gap: var(--space-md);
  }

  .container {
    padding-inline: var(--space-md);
  }
}

@media (max-width: 480px) {
  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}