/* ═══════════════════════════════════════
   NACER PORTFOLIO — style.css
   ═══════════════════════════════════════ */

:root {
  --blue-deep:   #020818;
  --blue-dark:   #050f2e;
  --blue-mid:    #0a1f5c;
  --blue-accent: #1a6fff;
  --blue-bright: #3d8eff;
  --blue-glow:   #60aaff;
  --blue-pale:   #a8d0ff;
  --white:       #f0f6ff;
  --gray:        #7090b0;
  --font-title:  'Orbitron', 'Segoe UI', Arial, sans-serif;
  --font-body:   'Rajdhani', 'Segoe UI', Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--blue-deep);
  color: var(--white);
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--blue-dark); }
::-webkit-scrollbar-thumb { background: var(--blue-accent); border-radius: 3px; }

/* ── GRID BG ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(26,111,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,111,255,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none; z-index: 0;
}

/* ══════════════════════════════
   CURSOR
══════════════════════════════ */
.cursor {
  width: 8px; height: 8px;
  background: var(--blue-accent);
  border-radius: 50%;
  position: fixed; pointer-events: none;
  z-index: 9999; transition: transform .15s;
  box-shadow: 0 0 10px rgba(26,111,255,0.9);
}

.cursor-ring {
  width: 36px; height: 36px;
  border: 1px solid rgba(26,111,255,0.5);
  border-radius: 50%;
  position: fixed; pointer-events: none; z-index: 9998;
}

/* ══════════════════════════════
   NAV
══════════════════════════════ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: .85rem 5%;
  background: rgba(2,8,24,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(26,111,255,0.15);
}

.nav-logo { text-decoration: none; display: flex; align-items: center; }
.nav-logo img {
  height: 42px; width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 8px rgba(26,111,255,0.5));
}

.nav-links { display: flex; gap: .5rem; list-style: none; align-items: center; }

.nav-links a {
  text-decoration: none;
  color: var(--blue-pale);
  font-family: var(--font-body);
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  padding: .5rem 1.1rem;
  border-radius: 3px;
  border: 1px solid transparent;
  transition: all .25s;
}

.nav-links a:hover {
  color: var(--white);
  border-color: rgba(26,111,255,0.4);
  background: rgba(26,111,255,0.1);
}

.nav-links a.active {
  color: var(--white);
  border-color: var(--blue-accent);
  background: rgba(26,111,255,0.15);
  box-shadow: 0 0 14px rgba(26,111,255,0.25);
}

/* ── HAMBURGER ── */
.hamburger {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; padding: .4rem;
  background: none; border: none;
}

.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--blue-pale);
  border-radius: 2px; transition: all .3s;
}

.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); }

/* ── MOBILE MENU ── */
.mobile-menu {
  display: none;
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: rgba(2,8,24,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(26,111,255,0.2);
  padding: 1rem 0 1.5rem;
  z-index: 99;
  flex-direction: column; align-items: center; gap: .3rem;
  transform: translateY(-10px); opacity: 0;
  transition: all .3s;
}

.mobile-menu.open {
  display: flex;
  transform: translateY(0); opacity: 1;
}

.mobile-menu a {
  text-decoration: none; color: var(--blue-pale);
  font-family: var(--font-body);
  font-size: 1rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  padding: .8rem 2rem;
  border-radius: 3px; width: 80%; text-align: center;
  border: 1px solid transparent; transition: all .25s;
}

.mobile-menu a:hover {
  color: var(--white);
  border-color: rgba(26,111,255,0.4);
  background: rgba(26,111,255,0.1);
}

/* ══════════════════════════════
   FLOATING SOCIALS
══════════════════════════════ */
.socials-float {
  position: fixed; right: 1.5rem; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 1rem;
  z-index: 50;
}

.social-icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(26,111,255,0.3);
  border-radius: 3px; color: var(--blue-pale);
  text-decoration: none; transition: all .3s;
  background: rgba(5,15,46,0.8);
  backdrop-filter: blur(8px);
}

.social-icon:hover {
  border-color: var(--blue-accent); color: var(--white);
  background: rgba(26,111,255,0.2);
  box-shadow: 0 0 20px rgba(26,111,255,0.4);
  transform: translateX(-4px);
}

.social-icon svg { width: 17px; height: 17px; fill: currentColor; }

/* ══════════════════════════════
   HERO
══════════════════════════════ */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: 0 6%; overflow: hidden;
}

.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); pointer-events: none;
}

.orb1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(26,111,255,0.35) 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: orbFloat 8s ease-in-out infinite;
}

.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(61,142,255,0.2) 0%, transparent 70%);
  bottom: 50px; left: -100px;
  animation: orbFloat 10s ease-in-out infinite reverse;
}

@keyframes orbFloat {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-40px); }
}

.hero-content { position: relative; z-index: 1; max-width: 750px; }

.hero-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.72rem; letter-spacing: 4px; text-transform: uppercase;
  color: var(--blue-accent);
  border: 1px solid rgba(26,111,255,0.4);
  padding: .4rem 1rem; border-radius: 2px;
  margin-bottom: 1.5rem;
  animation: fadeUp .8s ease both;
}

.hero-name {
  font-family: var(--font-title);
  font-size: clamp(3rem, 8vw, 6.5rem);
  font-weight: 900; line-height: 1; letter-spacing: 4px;
  margin-bottom: 0.5rem;
  animation: fadeUp .8s .15s ease both;
}

.hero-name .glow {
  color: var(--blue-bright);
  text-shadow: 0 0 40px rgba(26,111,255,0.8), 0 0 80px rgba(26,111,255,0.4);
}

.hero-role {
  font-family: var(--font-body);
  font-size: clamp(1rem, 3vw, 1.6rem);
  font-weight: 300; letter-spacing: 6px; text-transform: uppercase;
  color: var(--blue-pale); margin-bottom: 1.8rem;
  animation: fadeUp .8s .3s ease both;
}

.hero-desc {
  font-size: 1.1rem; line-height: 1.8;
  color: var(--gray); max-width: 520px; margin-bottom: 2.5rem;
  animation: fadeUp .8s .45s ease both;
}

.hero-btns {
  display: flex; gap: 1rem; flex-wrap: wrap;
  animation: fadeUp .8s .6s ease both;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 2rem; border-radius: 3px;
  font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 600;
  letter-spacing: 3px; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  transition: all .3s; border: 1px solid transparent;
}

.btn-primary {
  background: var(--blue-accent); color: var(--white);
  border-color: var(--blue-accent);
  box-shadow: 0 0 30px rgba(26,111,255,0.4);
}

.btn-primary:hover {
  background: var(--blue-bright);
  box-shadow: 0 0 50px rgba(26,111,255,0.7);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent; color: var(--blue-pale);
  border-color: rgba(26,111,255,0.4);
}

.btn-outline:hover {
  border-color: var(--blue-accent); color: var(--white);
  background: rgba(26,111,255,0.1); transform: translateY(-2px);
}

/* ══════════════════════════════
   SECTION BASE
══════════════════════════════ */
section { padding: 7rem 6%; position: relative; z-index: 1; }

.section-label {
  font-family: var(--font-body);
  font-size: 0.7rem; letter-spacing: 5px; text-transform: uppercase;
  color: var(--blue-accent); margin-bottom: .6rem;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700; letter-spacing: 2px; margin-bottom: 1rem;
}

.section-line {
  width: 60px; height: 3px;
  background: linear-gradient(90deg, var(--blue-accent), transparent);
  margin-bottom: 3rem;
}

.center-line { margin-left: auto; margin-right: auto; }

/* ══════════════════════════════
   ABOUT
══════════════════════════════ */
#about .about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 4rem; align-items: center;
}

.about-text p {
  font-size: 1.1rem; line-height: 1.9;
  color: var(--gray); margin-bottom: 1.2rem;
}

.about-text p span { color: var(--blue-bright); font-weight: 600; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }

.stat-card {
  background: rgba(10,31,92,0.3);
  border: 1px solid rgba(26,111,255,0.15);
  border-radius: 4px; padding: 1.5rem; text-align: center;
  transition: all .3s; position: relative; overflow: hidden;
}

.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--blue-accent), transparent);
  transform: scaleX(0); transition: transform .4s;
}

.stat-card:hover { border-color: rgba(26,111,255,0.4); transform: translateY(-4px); }
.stat-card:hover::before { transform: scaleX(1); }

.stat-num {
  font-family: var(--font-title);
  font-size: 2.5rem; font-weight: 900; color: var(--blue-bright);
  text-shadow: 0 0 20px rgba(26,111,255,0.5);
}

.stat-label {
  font-size: 0.8rem; letter-spacing: 2px; text-transform: uppercase;
  color: var(--gray); margin-top: .3rem;
}

/* ══════════════════════════════
   SKILLS
══════════════════════════════ */
#skills { background: rgba(5,15,46,0.4); }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.skill-category {
  background: rgba(10,31,92,0.25);
  border: 1px solid rgba(26,111,255,0.12);
  border-radius: 6px; padding: 2rem; transition: all .3s;
}

.skill-category:hover {
  border-color: rgba(26,111,255,0.35);
  background: rgba(10,31,92,0.4);
}

.skill-cat-title {
  font-family: var(--font-title);
  font-size: 0.82rem; letter-spacing: 2px;
  color: var(--blue-bright); margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: .7rem;
}

.skill-cat-title svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
  color: var(--blue-accent);
}

.skill-item { margin-bottom: 1.2rem; }

.skill-info {
  display: flex; justify-content: space-between;
  font-size: 0.9rem; font-weight: 500;
  color: var(--blue-pale); margin-bottom: .4rem; letter-spacing: 1px;
}

.skill-bar {
  height: 4px; background: rgba(26,111,255,0.15);
  border-radius: 2px; overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue-accent), var(--blue-glow));
  border-radius: 2px; width: 0;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 10px rgba(26,111,255,0.5);
}

/* ══════════════════════════════
   PROJECTS
══════════════════════════════ */
#projects { background: rgba(5,15,46,0.2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.project-card {
  background: rgba(10,31,92,0.2);
  border: 1px solid rgba(26,111,255,0.12);
  border-radius: 8px; overflow: hidden;
  transition: all .35s; position: relative;
}

.project-card:hover {
  border-color: rgba(26,111,255,0.45);
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(26,111,255,0.18);
}

.project-img-wrap {
  width: 100%; aspect-ratio: 16/9;
  overflow: hidden; position: relative;
  background: rgba(10,31,92,0.5);
}

.project-img-wrap img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .5s ease;
  filter: brightness(0.88) saturate(1.1);
}

.project-card:hover .project-img-wrap img { transform: scale(1.06); }

.project-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .8rem;
  background: linear-gradient(135deg, rgba(10,31,92,0.8), rgba(26,111,255,0.08));
}

.project-img-placeholder svg {
  width: 46px; height: 46px; opacity: .25;
  color: var(--blue-pale);
}

.project-img-placeholder span {
  font-size: 0.68rem; letter-spacing: 3px; color: var(--gray);
  text-transform: uppercase; text-align: center; padding: 0 1rem;
}

.project-img-wrap::after {
  content: ''; position: absolute;
  bottom: 0; left: 0; right: 0; height: 55px;
  background: linear-gradient(transparent, rgba(5,15,46,0.65));
  pointer-events: none;
}

.project-body { padding: 1.6rem; }

.project-tag {
  font-size: 0.63rem; letter-spacing: 3px; text-transform: uppercase;
  color: var(--blue-accent);
  background: rgba(26,111,255,0.1);
  border: 1px solid rgba(26,111,255,0.2);
  padding: .22rem .7rem; border-radius: 2px;
  display: inline-block; margin-bottom: .9rem;
}

.project-title {
  font-family: var(--font-title);
  font-size: 1.05rem; font-weight: 700; letter-spacing: 1px;
  margin-bottom: .7rem; color: var(--white);
}

.project-desc {
  font-size: 0.95rem; line-height: 1.7;
  color: var(--gray); margin-bottom: 1.4rem;
}

.project-tech { display: flex; flex-wrap: wrap; gap: .45rem; margin-bottom: 1.4rem; }

.tech-badge {
  font-size: 0.68rem; letter-spacing: 1px; color: var(--blue-pale);
  background: rgba(26,111,255,0.08);
  border: 1px solid rgba(26,111,255,0.15);
  padding: .18rem .55rem; border-radius: 2px;
}

.project-link {
  display: inline-flex; align-items: center; gap: .4rem;
  color: var(--blue-bright); text-decoration: none;
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  transition: gap .3s, color .3s;
}

.project-link:hover { color: var(--white); gap: .7rem; }

/* ══════════════════════════════
   CONTACT
══════════════════════════════ */
#contact { text-align: center; }

.contact-box {
  max-width: 600px; margin: 0 auto;
  background: rgba(10,31,92,0.25);
  border: 1px solid rgba(26,111,255,0.15);
  border-radius: 8px; padding: 3.5rem;
  position: relative; overflow: hidden;
}

.contact-box::before {
  content: ''; position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  width: 200px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--blue-accent), transparent);
}

.contact-box p {
  color: var(--gray); font-size: 1.1rem;
  line-height: 1.8; margin-bottom: 2rem;
}

.contact-socials {
  display: flex; justify-content: center;
  gap: 1rem; margin-top: 2rem; flex-wrap: wrap;
}

.contact-social-btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .7rem 1.4rem;
  border: 1px solid rgba(26,111,255,0.25);
  border-radius: 3px; color: var(--blue-pale);
  text-decoration: none;
  font-size: 0.82rem; font-weight: 600;
  letter-spacing: 2px; text-transform: uppercase;
  transition: all .3s; background: rgba(5,15,46,0.6);
}

.contact-social-btn:hover {
  border-color: var(--blue-accent); color: var(--white);
  background: rgba(26,111,255,0.15); transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(26,111,255,0.2);
}

.contact-social-btn svg { width: 15px; height: 15px; fill: currentColor; }

/* ══════════════════════════════
   FOOTER
══════════════════════════════ */
footer {
  text-align: center; padding: 2rem 6%;
  border-top: 1px solid rgba(26,111,255,0.1);
  color: var(--gray); font-size: 0.8rem; letter-spacing: 2px;
  position: relative; z-index: 1;
}

footer span { color: var(--blue-accent); }

/* ══════════════════════════════
   ANIMATIONS
══════════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0; transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════════════
   HERO SCANLINES
══════════════════════════════ */
#hero::after {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.025) 2px, rgba(0,0,0,0.025) 4px
  );
  pointer-events: none;
}

/* ══════════════════════════════
   RESPONSIVE — TABLET 900px
══════════════════════════════ */
@media (max-width: 900px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  .socials-float { display: none; }
}

/* ══════════════════════════════
   RESPONSIVE — PHONE 768px
══════════════════════════════ */
@media (max-width: 768px) {
  nav { padding: .8rem 5%; }

  section { padding: 5rem 5%; }

  .hero-tag  { font-size: 0.62rem; letter-spacing: 3px; }
  .hero-name { font-size: clamp(2.6rem, 13vw, 4.5rem); }
  .hero-role { font-size: 0.95rem; letter-spacing: 4px; }
  .hero-desc { font-size: 1rem; }

  .hero-btns { flex-direction: column; }
  .hero-btns .btn { text-align: center; justify-content: center; }

  #about .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-stats { grid-template-columns: 1fr 1fr; }
  .stat-num  { font-size: 2rem; }

  .skills-grid { grid-template-columns: 1fr; }

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

  .contact-box { padding: 2rem 1.2rem; }
  .contact-socials { flex-direction: column; align-items: stretch; }
  .contact-social-btn { justify-content: center; }

  .section-title { font-size: 1.7rem; }
}

/* ══════════════════════════════
   RESPONSIVE — SMALL PHONE 420px
══════════════════════════════ */
@media (max-width: 420px) {
  .hero-name { font-size: clamp(2rem, 15vw, 3rem); }
  .hero-role { font-size: 0.8rem; letter-spacing: 3px; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: .8rem; }
  .stat-num  { font-size: 1.6rem; }
  .stat-card { padding: 1rem; }
  .contact-box { padding: 1.5rem 1rem; }
}