/* =============================================
   NUVED AHMAD — Portfolio CSS
   Inspired by: hibanizar.vercel.app
   Theme: Dark minimal, code-aesthetic
   Fonts: Outfit (display) + Fira Code (mono/tag)
============================================= */

:root {
  --bg:          #0d0d14;
  --bg-2:        #111119;
  --bg-card:     #16161f;
  --bg-card-h:   #1c1c2a;
  --border:      rgba(255,255,255,0.07);
  --border-h:    rgba(100,200,255,0.25);

  --accent:      #38bdf8;       /* sky blue — primary */
  --accent-2:    #818cf8;       /* indigo  — secondary */
  --accent-3:    #34d399;       /* emerald — backend */
  --accent-4:    #f472b6;       /* pink    — web */
  --accent-glow: rgba(56,189,248,0.12);

  --text-1:  #eeeef6;
  --text-2:  #8888a8;
  --text-3:  #44445a;

  --font-display: 'Outfit', sans-serif;
  --font-mono:    'Fira Code', monospace;

  --radius:    10px;
  --radius-lg: 18px;
  --transition: 0.28s ease;
  --max-w:     1100px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-display);
  font-size: 15.5px;
  line-height: 1.75;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 99px; }

/* ---- Container ---- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }
.section { padding: 110px 0; }


/* =============================================
   NAVBAR
============================================= */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: 64px;
  background: rgba(13,13,20,0.7);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled { background: rgba(13,13,20,0.95); box-shadow: 0 2px 40px rgba(0,0,0,0.6); }

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1rem; font-weight: 700;
  letter-spacing: 3px;
  color: var(--accent);
}

.nav-links { display: flex; gap: 8px; }
.nav-link {
  font-family: var(--font-display);
  font-size: 0.82rem; font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--text-2);
  padding: 6px 14px; border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-1);
  background: rgba(56,189,248,0.08);
}
.nav-link.active { color: var(--accent); }

/* Mobile hamburger */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text-1); transition: var(--transition); border-radius: 2px; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* =============================================
   HERO
============================================= */
.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center;
  position: relative; overflow: hidden;
  padding: 100px 24px 60px;
}

/* Background */
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(56,189,248,0.04) 1px, transparent 1px);
  background-size: 36px 36px;
}
.glow-orb {
  position: absolute; border-radius: 50%;
  filter: blur(90px); pointer-events: none;
}
.orb1 { width: 500px; height: 500px; top: -100px; left: -100px; background: rgba(56,189,248,0.07); }
.orb2 { width: 400px; height: 400px; bottom: -80px; right: -60px; background: rgba(129,140,248,0.07); }

.hero-inner { position: relative; z-index: 1; max-width: 760px; }

/* Code tags like the reference site */
.hero-tag {
  font-family: var(--font-mono);
  font-size: 0.85rem; color: var(--text-3);
  display: inline-block; margin-bottom: 24px;
}
.end-tag { margin-top: 24px; display: inline-block; }

.hero-name {
  font-size: clamp(3.5rem, 9vw, 7rem);
  font-weight: 900; line-height: 0.95;
  letter-spacing: -3px;
  margin-bottom: 20px;
}
.name-line { display: block; }
.name-line.accent { color: var(--accent); }

.hero-role {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-2); margin-bottom: 20px;
  min-height: 1.8em;
}
.cursor { animation: blink 0.85s infinite; color: var(--accent); }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hero-bio {
  font-size: 0.95rem; color: var(--text-2);
  line-height: 1.8; margin-bottom: 36px; max-width: 560px; margin-left: auto; margin-right: auto;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.875rem; font-weight: 600;
  cursor: pointer; border: none;
  transition: all 0.25s ease;
  letter-spacing: 0.3px;
}
.btn-primary {
  background: var(--accent); color: #0d0d14;
  box-shadow: 0 0 28px rgba(56,189,248,0.3);
}
.btn-primary:hover { background: #7dd3fc; transform: translateY(-2px); box-shadow: 0 0 40px rgba(56,189,248,0.5); }
.btn-ghost {
  background: transparent; color: var(--text-1);
  border: 1px solid var(--border-h);
}
.btn-ghost:hover { background: var(--accent-glow); border-color: var(--accent); transform: translateY(-2px); }
.full-width { width: 100%; justify-content: center; }


/* =============================================
   SECTION COMMON
============================================= */
.section-label { margin-bottom: 10px; }
.label-tag {
  font-family: var(--font-mono);
  font-size: 0.82rem; color: var(--text-3);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800; letter-spacing: -1px;
  margin-bottom: 52px;
}


/* =============================================
   ABOUT
============================================= */
#about { background: var(--bg-2); }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }

.about-text p { color: var(--text-2); margin-bottom: 18px; font-size: 0.93rem; }
.about-text strong { color: var(--text-1); }

.about-meta { display: flex; flex-direction: column; gap: 16px; margin-top: 28px; }
.meta-item {
  display: flex; align-items: flex-start; gap: 14px;
}
.meta-item i {
  color: var(--accent); font-size: 1rem; margin-top: 2px; flex-shrink: 0; width: 18px;
}
.meta-item > div { display: flex; flex-direction: column; gap: 1px; }
.meta-label { font-size: 0.7rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-3); }
.meta-value  { font-size: 0.88rem; color: var(--text-1); font-weight: 500; }

/* Info cards (right column) */
.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin-bottom: 20px;
  transition: border-color var(--transition);
}
.info-card:hover { border-color: var(--border-h); }
.info-card-title {
  font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-3); display: flex; align-items: center; gap: 8px;
  margin-bottom: 20px;
}
.info-card-title i { color: var(--accent); }

/* Timeline */
.timeline-item { display: flex; gap: 16px; }
.tl-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); margin-top: 6px; flex-shrink: 0;
  box-shadow: 0 0 10px rgba(56,189,248,0.5);
}
.tl-body h4 { font-size: 0.93rem; font-weight: 700; }
.tl-date    { font-family: var(--font-mono); font-size: 0.72rem; color: var(--accent); display: block; margin: 4px 0; }
.tl-body p  { font-size: 0.82rem; color: var(--text-2); margin-bottom: 8px; }
.chip {
  display: inline-block; font-size: 0.68rem; font-family: var(--font-mono);
  background: rgba(56,189,248,0.1); color: var(--accent);
  border: 1px solid rgba(56,189,248,0.25);
  padding: 3px 10px; border-radius: 99px;
}

/* Cert list */
.cert-list  { display: flex; flex-direction: column; gap: 10px; }
.cert-row   { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border); }
.cert-row:last-child { border-bottom: none; }
.cert-name  { font-size: 0.82rem; color: var(--text-1); }
.cert-org   { font-family: var(--font-mono); font-size: 0.7rem; color: var(--accent); }


/* =============================================
   SKILLS
============================================= */
.skills-section { background: var(--bg); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.skill-card:hover { border-color: var(--border-h); transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.skill-card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-glow); border: 1px solid rgba(56,189,248,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 1.1rem; margin-bottom: 16px;
}
.skill-card h3 {
  font-size: 0.85rem; font-weight: 700; letter-spacing: 1px;
  text-transform: uppercase; color: var(--text-2); margin-bottom: 16px;
}
.skill-pills { display: flex; flex-wrap: wrap; gap: 7px; }
.skill-pills span {
  font-family: var(--font-mono); font-size: 0.72rem;
  background: rgba(255,255,255,0.04); color: var(--text-2);
  border: 1px solid var(--border);
  padding: 4px 11px; border-radius: 6px;
  transition: var(--transition);
}
.skill-card:hover .skill-pills span { border-color: rgba(56,189,248,0.15); }


/* =============================================
   PROJECTS
============================================= */
#projects { background: var(--bg-2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 24px;
}

.proj-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.proj-card:hover { border-color: var(--border-h); transform: translateY(-5px); box-shadow: 0 16px 50px rgba(0,0,0,0.4); }

/* Project thumbnail / banner */
.proj-thumb {
  height: 120px; display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem;
}
.ml-thumb      { background: linear-gradient(135deg, rgba(129,140,248,0.15) 0%, rgba(129,140,248,0.05) 100%); color: var(--accent-2); }
.backend-thumb { background: linear-gradient(135deg, rgba(52,211,153,0.15)  0%, rgba(52,211,153,0.05)  100%); color: var(--accent-3); }
.web-thumb     { background: linear-gradient(135deg, rgba(244,114,182,0.15) 0%, rgba(244,114,182,0.05) 100%); color: var(--accent-4); }

.proj-body { padding: 24px; display: flex; flex-direction: column; gap: 12px; flex: 1; }

.proj-type {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 3px 10px; border-radius: 99px;
  align-self: flex-start; font-weight: 600;
}
.ml-type      { background: rgba(129,140,248,0.12); color: var(--accent-2); border: 1px solid rgba(129,140,248,0.25); }
.backend-type { background: rgba(52,211,153,0.12);  color: var(--accent-3); border: 1px solid rgba(52,211,153,0.25);  }
.web-type     { background: rgba(244,114,182,0.12); color: var(--accent-4); border: 1px solid rgba(244,114,182,0.25); }

.proj-title { font-size: 1.05rem; font-weight: 700; }
.proj-desc  { font-size: 0.83rem; color: var(--text-2); line-height: 1.75; flex: 1; }

.proj-stack { display: flex; flex-wrap: wrap; gap: 6px; }
.proj-stack span {
  font-family: var(--font-mono); font-size: 0.67rem;
  background: rgba(255,255,255,0.03); color: var(--text-3);
  border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 6px;
}

.proj-links { display: flex; gap: 10px; margin-top: 4px; }
.proj-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.78rem; color: var(--accent);
  border: 1px solid rgba(56,189,248,0.25);
  padding: 6px 14px; border-radius: 8px;
  transition: var(--transition);
}
.proj-link:hover { background: var(--accent-glow); }
.demo-link { color: var(--accent-4); border-color: rgba(244,114,182,0.25); }
.demo-link:hover { background: rgba(244,114,182,0.08); }


/* =============================================
   EXPERIENCE
============================================= */
.exp-section { background: var(--bg); }

.exp-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

.exp-col-title {
  font-size: 0.78rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--text-3); display: flex; align-items: center; gap: 8px;
  margin-bottom: 28px;
}
.exp-col-title i { color: var(--accent); }

/* Work experience item */
.exp-item { display: flex; gap: 18px; }
.exp-dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0; margin-top: 5px;
  box-shadow: 0 0 12px rgba(56,189,248,0.6);
  position: relative;
}
.exp-dot::after {
  content: '';
  position: absolute; top: 14px; left: 5px;
  width: 1px; height: 100%; background: var(--border);
}
.exp-content { flex: 1; }
.exp-header  { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.exp-content h4 { font-size: 0.95rem; font-weight: 700; }
.exp-company    { font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); display: block; margin-top: 3px; }
.exp-date       { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); white-space: nowrap; }

.exp-bullets { padding-left: 16px; list-style: disc; margin-bottom: 16px; }
.exp-bullets li { font-size: 0.82rem; color: var(--text-2); margin-bottom: 6px; }

.exp-tags { display: flex; flex-wrap: wrap; gap: 7px; }
.exp-tags span {
  font-family: var(--font-mono); font-size: 0.67rem;
  background: rgba(56,189,248,0.07); color: var(--accent-2);
  border: 1px solid rgba(129,140,248,0.2);
  padding: 3px 10px; border-radius: 6px;
}

/* Achievement cards */
.achievement-card {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px 22px;
  margin-bottom: 14px;
  transition: border-color var(--transition), transform var(--transition);
}
.achievement-card:hover { border-color: var(--border-h); transform: translateX(4px); }
.achievement-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 4px; }
.achievement-card p  { font-size: 0.8rem; color: var(--text-2); margin-bottom: 8px; }
.ach-link {
  font-size: 0.75rem; color: var(--accent);
  display: inline-flex; align-items: center; gap: 5px;
  transition: gap var(--transition);
}
.ach-link:hover { gap: 9px; }

.ach-icon {
  width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1rem;
}
.lc  { background: rgba(255,161,22,0.1);   color: #ffa116; border: 1px solid rgba(255,161,22,0.25);   }
.gfg { background: rgba(30,200,100,0.1);   color: #1ec864; border: 1px solid rgba(30,200,100,0.25);   }
.cc  { background: rgba(129,140,248,0.12); color: var(--accent-2); border: 1px solid rgba(129,140,248,0.25); }


/* =============================================
   CONTACT
============================================= */
.contact-section { background: var(--bg-2); }

.contact-intro { font-size: 0.9rem; color: var(--text-2); margin-top: -36px; margin-bottom: 48px; }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }

/* Form */
.contact-form-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px;
}
.contact-form-wrap h3 { font-size: 1rem; font-weight: 700; margin-bottom: 24px; }

.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-group label { font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; color: var(--text-3); }
.form-group input,
.form-group textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius); padding: 11px 14px;
  color: var(--text-1);
  font-family: var(--font-display); font-size: 0.88rem;
  outline: none; resize: vertical;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-3); }

/* Contact info */
.contact-info h3 { font-size: 1rem; font-weight: 700; margin-bottom: 12px; }
.contact-info > p { font-size: 0.85rem; color: var(--text-2); margin-bottom: 28px; }

.contact-items { display: flex; flex-direction: column; gap: 16px; margin-bottom: 32px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
}
.contact-item:hover { opacity: 0.8; }
.contact-item-icon {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--accent-glow); border: 1px solid rgba(56,189,248,0.2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); flex-shrink: 0;
}
.contact-item > div { display: flex; flex-direction: column; }
.ci-label { font-size: 0.68rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-3); }
.ci-val   { font-size: 0.85rem; color: var(--text-1); }

.social-row { display: flex; gap: 12px; }
.social-btn {
  width: 42px; height: 42px; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2); font-size: 1rem;
  transition: var(--transition);
}
.social-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }


/* =============================================
   FOOTER
============================================= */
.footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 28px 0; text-align: center;
}
.footer p { font-size: 0.78rem; color: var(--text-3); }
.footer-name { color: var(--accent); }


/* =============================================
   SCROLL REVEAL
============================================= */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }


/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 900px) {
  .navbar { padding: 0 24px; }
  .nav-links {
    display: none; flex-direction: column; gap: 0;
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(13,13,20,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border); padding: 12px 0;
  }
  .nav-links.open { display: flex; }
  .nav-link { padding: 12px 28px; border-radius: 0; }
  .hamburger { display: flex; }

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

@media (max-width: 600px) {
  .section { padding: 80px 0; }
  .hero-name { letter-spacing: -2px; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 420px) {
  .skills-grid { grid-template-columns: 1fr; }
}