/* ========================================
   PORTFOLIO — style.css
   Frontend Developer | BCA Student
   ======================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #050609;
  --surface: #0c0e15;
  --surface2: #131620;
  --surface3: #1a1d2e;
  --border: rgba(255,255,255,0.07);
  --border2: rgba(255,255,255,0.13);
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --accent3: #06b6d4;
  --text: #e2e8f0;
  --text2: #94a3b8;
  --text3: #64748b;
  --green: #10b981;
  --radius: 14px;
  --radius-sm: 8px;
}

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ======== NAV ======== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 68px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  background: rgba(5,6,9,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}
.nav-inner {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.logo-bracket { color: var(--accent); }
.logo-slash { color: var(--accent2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  color: var(--text2);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: color 0.2s, background 0.2s;
}
.nav-link:hover { color: var(--text); background: var(--surface2); }
.nav-link.nav-cta {
  background: var(--accent);
  color: #fff;
  margin-left: 8px;
}
.nav-link.nav-cta:hover { background: var(--accent2); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ======== HERO ======== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 100px 24px 60px;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}
.hero-orb-1 {
  width: 600px;
  height: 600px;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(99,102,241,0.4) 0%, transparent 70%);
}
.hero-orb-2 {
  width: 400px;
  height: 400px;
  bottom: 0;
  right: -100px;
  background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 0%, transparent 80%);
}

.hero-content { position: relative; z-index: 1; max-width: 720px; }

.hero-greeting {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: 0.8rem;
  color: #6ee7b7;
  margin-bottom: 24px;
}
.greeting-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.5)} }

.hero-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.5rem, 7vw, 5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.0;
  margin-bottom: 16px;
}
.title-intro {
  display: block;
  font-size: 0.4em;
  color: var(--text2);
  font-weight: 500;
  letter-spacing: 0;
  margin-bottom: 4px;
}
.title-name {
  background: linear-gradient(135deg, #ffffff 0%, #c7d2fe 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-role {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}
.role-tag {
  font-size: 0.9rem;
  color: var(--text2);
  font-weight: 500;
}
.role-sep { color: var(--text3); }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text2);
  line-height: 1.7;
  margin-bottom: 36px;
}
.hero-desc strong { color: var(--text); }

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  overflow: hidden;
  width: fit-content;
  margin: 0 auto;
}
.hstat { padding: 16px 28px; text-align: center; }
.hstat-n { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.5rem; font-weight: 800; color: #fff; display: block; }
.hstat-l { font-size: 0.72rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.06em; }
.hstat-divider { width: 1px; background: var(--border); align-self: stretch; }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
}
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--border), transparent);
  margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine { 0%{transform:scaleY(0);transform-origin:top} 50%{transform:scaleY(1)} 100%{transform:scaleY(0);transform-origin:bottom} }

/* ======== SHARED SECTION ======== */
.section { padding: 100px 24px; }
.section-alt { background: var(--surface); }

.container { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}
.section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #f8fafc;
  margin-bottom: 16px;
}
.section-subtitle { color: var(--text2); font-size: 1rem; max-width: 560px; margin-bottom: 56px; }

/* ======== BUTTONS ======== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); box-shadow: 0 8px 24px rgba(99,102,241,0.3); }
.btn-outline { background: transparent; border-color: var(--border2); color: var(--text2); }
.btn-outline:hover { border-color: rgba(255,255,255,0.25); color: var(--text); }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

/* ======== ABOUT ======== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 60px;
  align-items: start;
}
.about-text p {
  color: var(--text2);
  margin-bottom: 20px;
  font-size: 1rem;
  line-height: 1.8;
}
.about-text p strong { color: var(--text); }
.about-links { display: flex; gap: 12px; margin-top: 28px; }
.about-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text2);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s;
}
.about-link:hover { border-color: var(--accent); color: var(--accent); }

.about-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  position: sticky;
  top: 88px;
}
.about-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin: 0 auto 16px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.about-name { font-size: 1.1rem; font-weight: 700; color: #f8fafc; margin-bottom: 4px; }
.about-title-text { font-size: 0.85rem; color: var(--text2); margin-bottom: 16px; }
.about-badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; margin-bottom: 20px; }
.about-badge {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--text2);
}
.about-badge-green { color: #6ee7b7; background: rgba(16,185,129,0.08); border-color: rgba(16,185,129,0.2); }
.about-details { text-align: left; display: flex; flex-direction: column; gap: 10px; }
.about-detail {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text2);
}
.about-detail svg { flex-shrink: 0; color: var(--text3); }

/* ======== SKILLS ======== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.skill-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.skill-card:hover { border-color: rgba(99,102,241,0.3); transform: translateY(-2px); }
.skill-icon { font-size: 1.8rem; margin-bottom: 12px; }
.skill-name { font-size: 1rem; font-weight: 700; color: #f8fafc; margin-bottom: 8px; }
.skill-desc { font-size: 0.82rem; color: var(--text2); line-height: 1.6; margin-bottom: 12px; }
.skill-proof {
  font-size: 0.72rem;
  color: var(--accent);
  font-family: 'JetBrains Mono', monospace;
  background: rgba(99,102,241,0.08);
  border: 1px solid rgba(99,102,241,0.15);
  border-radius: 4px;
  padding: 3px 8px;
  display: inline-block;
}

/* ======== PROJECTS ======== */
.projects-list { display: flex; flex-direction: column; gap: 48px; }
.project-card {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 48px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.project-card:hover { border-color: rgba(99,102,241,0.3); box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.project-card-reverse { direction: rtl; }
.project-card-reverse .project-info { direction: ltr; }
.project-thumb {
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.project-emoji { font-size: 5rem; }
.project-info { padding: 40px 40px 40px 0; direction: ltr; }
.project-card-reverse .project-info { padding: 40px 0 40px 40px; }
.project-number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--text3);
  margin-bottom: 8px;
}
.project-category { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent); font-weight: 600; margin-bottom: 8px; }
h3.project-name { font-family: 'Plus Jakarta Sans', sans-serif; font-size: 1.4rem; font-weight: 800; color: #f8fafc; margin-bottom: 12px; line-height: 1.2; }
.project-desc { color: var(--text2); font-size: 0.92rem; line-height: 1.7; margin-bottom: 16px; }
.project-highlights { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.highlight {
  font-size: 0.78rem;
  padding: 4px 12px;
  border-radius: 100px;
  background: rgba(99,102,241,0.1);
  border: 1px solid rgba(99,102,241,0.2);
  color: #a5b4fc;
  font-weight: 500;
}
.project-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 20px; }
.ptag {
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: 'JetBrains Mono', monospace;
}
.project-actions { display: flex; gap: 10px; }

/* ======== ALL DEMOS ======== */
.demos-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.industry-list { display: flex; gap: 10px; flex-wrap: wrap; }
.industry-pill {
  padding: 8px 16px;
  border-radius: 100px;
  background: var(--surface3);
  border: 1px solid var(--border);
  color: var(--text2);
  font-size: 0.85rem;
}

/* ======== CONTACT ======== */
.contact-container { text-align: center; }
.contact-container .section-subtitle { margin: 0 auto 48px; }
.contact-grid { display: grid; grid-template-columns: 1fr 360px; gap: 32px; text-align: left; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
.contact-card:hover { border-color: var(--accent); transform: translateX(4px); }
.contact-icon { font-size: 1.4rem; width: 36px; text-align: center; }
.contact-icon svg { color: var(--text2); }
.contact-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text3); margin-bottom: 4px; }
.contact-value { font-size: 0.9rem; color: var(--text2); font-weight: 500; }

.contact-note-inner {
  background: linear-gradient(135deg, var(--surface2), var(--surface3));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  height: 100%;
}
.contact-note-inner h3 { font-size: 1rem; font-weight: 700; color: #f8fafc; margin-bottom: 16px; }
.contact-note-inner ul { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.contact-note-inner li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text2);
}
.contact-note-inner li::before { content: '→'; color: var(--accent); font-weight: 700; }
.contact-avail {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: #6ee7b7;
}
.avail-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: pulse 2s infinite; flex-shrink: 0; }

/* ======== FOOTER ======== */
.footer { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 24px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-family: 'JetBrains Mono', monospace; font-size: 1rem; font-weight: 500; color: var(--text); }
.footer-copy { font-size: 0.82rem; color: var(--text3); }
.footer-links { display: flex; gap: 20px; }
.footer-links a { font-size: 0.82rem; color: var(--text3); text-decoration: none; }
.footer-links a:hover { color: var(--accent); }

/* ======== RESPONSIVE ======== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { position: static; }
  .project-card, .project-card-reverse { grid-template-columns: 1fr; direction: ltr; }
  .project-card-reverse .project-info { padding: 0 32px 32px; }
  .project-info { padding: 32px; }
  .project-thumb { height: 200px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(5,6,9,0.97);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .section { padding: 64px 20px; }
  .hero { min-height: auto; padding: 100px 20px 60px; }
  .hstat { padding: 12px 16px; }
  .hero-stats { flex-wrap: wrap; }
  .about-links { flex-direction: column; }
  .demos-cta { flex-direction: column; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2.2rem; }
  .project-info { padding: 24px; }
  .skills-grid { grid-template-columns: 1fr; }
}