/* ================================================================
   style.css — Abdeljalil Medjadi Portfolio
   ================================================================
   To change accent color: edit --accent below (one place, rethemes everything)
   To change fonts: update Google Fonts URL in index.html + font-family here
================================================================ */

/* ── Variables ───────────────────────────────────────────────── */
:root {
  --accent:      #00e5c0;
  --accent-dim:  rgba(0, 229, 192, 0.12);
  --accent-dark: #00c9aa;

  --bg:          #090909;
  --bg-card:     #111111;
  --bg-input:    #0d0d0d;

  --border:      #1f1f1f;
  --border-md:   #2a2a2a;

  --text:        #f0f0f0;
  --text-muted:  #6b7280;
  --text-dim:    #3a3a3a;

  --radius:      12px;
  --radius-sm:   8px;
  --radius-pill: 999px;

  --font-mono:   'JetBrains Mono', monospace;
  --font-main:   'Syne', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; }
button { background: none; border: none; cursor: pointer; font-family: inherit; }
ul { list-style: none; }

/* ── Navbar ──────────────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text);
  text-transform: uppercase;
  transition: color 0.2s;
}
.logo:hover { color: var(--accent); }
.bracket { color: var(--accent); }

/* Desktop nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 3px;
  transition: color 0.2s;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.25s;
}
.nav-link:hover,
.nav-link.active { color: var(--text); }
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Contact CTA in nav */
.nav-cta {
  border: 1px solid var(--border-md);
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  color: var(--accent) !important;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* Hamburger */
#hamburger {
  display: none;
  color: var(--text-muted);
  transition: color 0.2s;
}
#hamburger:hover { color: var(--text); }
#hamburger svg { width: 20px; height: 20px; }

/* Mobile menu */
.mobile-menu {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-menu.hidden { display: none; }

/* ── Layout ──────────────────────────────────────────────────── */
main {
  padding-top: 64px; /* navbar height */
}

.page-section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px;
}
.page-section.hidden { display: none; }

/* Page enter animation */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-enter { animation: fadeUp 0.3s ease forwards; }

/* ── Reusable: Section label ─────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ── Reusable: Page header ───────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 28px;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}

/* ── Reusable: Buttons ───────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  background: var(--accent);
  color: #000;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}
.btn-primary.full-width {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border: 1px solid var(--border-md);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: var(--radius-sm);
  transition: border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

/* ── Hero ────────────────────────────────────────────────────── */
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-name {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 24px;
  line-height: 1.1;
}
.name-white {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.03em;
  padding-bottom: 4px;
}
.name-teal {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  padding-top: 4px;
  background: linear-gradient(135deg, var(--accent) 0%, #00b4d8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-bio {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 440px;
  margin-bottom: 32px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

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

/* ── Terminal ────────────────────────────────────────────────── */
.terminal-box {
  width: 100%;
  max-width: 400px;
  background: #050505;
  border: 1px solid var(--border-md);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 0 40px rgba(0, 229, 192, 0.05), 0 20px 60px rgba(0,0,0,0.5);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #0e0e0e;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #3a3a3a;
  letter-spacing: 0.06em;
  margin-left: 6px;
}

.terminal-body {
  padding: 18px 16px;
  min-height: 240px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 2;
}

/* Terminal text types */
.t-prompt  { color: #4ade80; }
.t-out     { color: #94a3b8; padding-left: 2px; }
.t-comment { color: #4b5563; font-style: italic; }
.t-key     { color: #4ade80; }
.t-idle    { color: #4ade80; }

/* Blinking cursor */
#term-cursor::after {
  content: '▋';
  color: #4ade80;
  animation: blink 1s step-start infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── About Section ───────────────────────────────────────────── */
.about-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}

.bio-text {
  color: #d0d0d0;
  line-height: 1.8;
  margin-bottom: 16px;
}
.bio-text.muted { color: var(--text-muted); }

/* Interests */
.interests-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.interest-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  opacity: 0.65;
  transition: opacity 0.2s, color 0.2s, border-color 0.2s;
}
.interest-tag:hover {
  opacity: 1;
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Cards Grid ──────────────────────────────────────────────── */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Project card */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
}
.card:hover {
  border-color: var(--border-md);
  box-shadow: 0 0 30px rgba(0, 229, 192, 0.07);
  transform: translateY(-3px);
}

.card-thumb {
  height: 130px;
  background: #0c0c0c;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-thumb svg { width: 36px; height: 36px; color: #2a2a2a; }

.card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(0, 229, 192, 0.15);
}

.icon-link {
  margin-left: auto;
  color: #3a3a3a;
  transition: color 0.2s;
}
.icon-link + .icon-link { margin-left: 8px; }
.icon-link:hover { color: var(--accent); }
.icon-link svg { width: 15px; height: 15px; }

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.card-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: #181818;
  color: #555;
  border: 1px solid var(--border);
}

/* Filter chips */
.filter-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-chip {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-muted);
  background: transparent;
  transition: all 0.2s;
}
.filter-chip:hover,
.filter-chip.active {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

/* ── Cert Cards ──────────────────────────────────────────────── */
.cert-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
}
.cert-card:hover {
  border-color: var(--border-md);
  box-shadow: 0 0 30px rgba(0, 229, 192, 0.07);
  transform: translateY(-2px);
}

.cert-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 192, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cert-icon svg { width: 18px; height: 18px; color: var(--accent); }

.cert-info { flex: 1; }

.cert-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.cert-org {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.cert-footer {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cert-date {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: #3a3a3a;
}

.cert-verify {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--accent);
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: opacity 0.2s;
}
.cert-verify:hover { opacity: 0.75; }
.cert-verify svg { width: 11px; height: 11px; }

/* ── Contact ─────────────────────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-intro {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 32px;
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.contact-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.contact-list svg { width: 16px; height: 16px; color: var(--accent); flex-shrink: 0; }
.contact-list a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text);
  transition: color 0.2s;
}
.contact-list a:hover { color: var(--accent); }
.contact-list span {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  outline: none;
  width: 100%;
  resize: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-input::placeholder { color: var(--text-dim); }

/* ── Footer ──────────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: #333;
  letter-spacing: 0.1em;
}

.footer-links {
  display: flex;
  gap: 10px;
}

.social-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.social-icon svg { width: 15px; height: 15px; }
.social-icon:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-md); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

::selection { background: var(--accent-dim); color: var(--accent); }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid  { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links  { display: none; }
  #hamburger  { display: block; }
  .cards-grid { grid-template-columns: 1fr; }
  .filter-row { display: none; }
  .page-header { flex-direction: column; align-items: flex-start; }
}