/* ============================================================
   fishDev Portfolio — style.css (updated)
   Dark Sea Theme: Deep Navy × Bioluminescent Blue
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&family=Inter:wght@300;400;500;600&display=swap');

/* ── CSS VARIABLES ──────────────────────────────────────────── */
:root {
  --clr-void:       #020810;
  --clr-abyss:      #050d1a;
  --clr-deep:       #0a1628;
  --clr-surface:    #0f2040;
  --clr-border:     #1a3558;
  --clr-glow:       #00d4ff;
  --clr-blue:       #0d6efd;
  --clr-blue-dark:  #0a58ca;
  --clr-text:       #e8f4ff;
  --clr-muted:      #8a9bb5;
  --clr-dim:        #3d5a7a;

  --font-display: 'Orbitron', monospace;
  --font-body:    'Inter', sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --transition: 0.3s ease;
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.25);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
}

/* ── RESET & BASE ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background-color: var(--clr-abyss);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a  { color: var(--clr-glow); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--clr-text); }
h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.2; letter-spacing: 0.05em; }

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

/* ── BUBBLES ────────────────────────────────────────────────── */
.bubbles-bg {
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.bubble {
  position: absolute; bottom: -60px; border-radius: 50%;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.12);
  animation: rise linear infinite;
}
@keyframes rise {
  0%   { transform: translateY(0) scale(1);   opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(-110vh) scale(1.4); opacity: 0; }
}

/* ── NAVIGATION ─────────────────────────────────────────────── */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(5, 13, 26, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--clr-border);
}
nav {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; color: var(--clr-text);
  flex-shrink: 0;
}
.nav-brand svg { width: 32px; height: 32px; }
.nav-fish-text span { color: var(--clr-glow); }

.nav-links {
  display: flex; list-style: none; gap: 6px;
}
.nav-links a {
  font-size: 0.78rem; font-weight: 500; font-family: var(--font-display);
  letter-spacing: 0.08em; color: var(--clr-muted); padding: 8px 14px;
  border-radius: var(--radius-sm); border: 1px solid transparent;
  transition: all var(--transition); text-transform: uppercase; white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--clr-glow); border-color: var(--clr-glow);
  background: rgba(0, 212, 255, 0.07);
}

/* Hamburger button (hidden on desktop) */
.nav-toggle {
  display: none;
  background: none; border: 1px solid var(--clr-border);
  color: var(--clr-glow); font-size: 1.2rem;
  width: 40px; height: 40px; border-radius: var(--radius-sm);
  cursor: pointer; align-items: center; justify-content: center;
  transition: all var(--transition);
}
.nav-toggle:hover { border-color: var(--clr-glow); background: rgba(0,212,255,0.07); }

/* ── HERO SECTION ───────────────────────────────────────────── */
#home {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 100px 24px 60px;
  background: radial-gradient(ellipse at 50% 60%, #081e3f 0%, var(--clr-abyss) 70%);
  overflow: hidden; z-index: 1;
}
.hero-content { position: relative; z-index: 2; max-width: 700px; }

/* LARGER CIRCULAR AVATAR */
.hero-avatar-wrap {
  width: 180px; height: 180px;
  margin: 0 auto 32px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, var(--clr-glow), var(--clr-blue));
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.4), 0 0 80px rgba(0, 212, 255, 0.15);
  position: relative;
}
#avatar-wrap {
  width: 100%; height: 100%;
  border-radius: 50%; overflow: hidden;
  background: var(--clr-deep);
}
#avatar-wrap img {
  width: 100%; height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 70%;
  display: block;
}
.avatar-placeholder {
  width: 100%; height: 100%; border-radius: 50%;
  background: var(--clr-deep);
  display: flex; align-items: center; justify-content: center; font-size: 3.5rem;
}

.hero-badge {
  display: inline-block; font-size: 0.7rem; font-family: var(--font-display);
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--clr-glow);
  border: 1px solid rgba(0,212,255,0.4); padding: 5px 14px;
  border-radius: 99px; margin-bottom: 16px;
}
.hero-name {
  font-size: clamp(2.2rem, 6vw, 4rem); font-weight: 900;
  color: var(--clr-text); margin-bottom: 12px;
}
.hero-name .glow-word { color: var(--clr-glow); text-shadow: 0 0 30px rgba(0,212,255,0.5); }
.hero-tagline { font-size: 1.05rem; color: var(--clr-muted); margin-bottom: 36px; font-weight: 300; }
.hero-cta { 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-sm);
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; cursor: pointer;
  transition: all var(--transition); border: 2px solid transparent;
}
.btn-primary { background: var(--clr-blue); color: #fff; border-color: var(--clr-blue); }
.btn-primary:hover {
  background: var(--clr-glow); border-color: var(--clr-glow);
  color: var(--clr-void); box-shadow: var(--shadow-glow); transform: translateY(-2px);
}
.btn-outline { background: transparent; color: var(--clr-glow); border-color: var(--clr-glow); }
.btn-outline:hover {
  background: rgba(0,212,255,0.1); box-shadow: var(--shadow-glow);
  transform: translateY(-2px); color: var(--clr-glow);
}

/* ── WAVE DIVIDER ───────────────────────────────────────────── */
.wave-divider { line-height: 0; overflow: hidden; }
.wave-divider svg { display: block; width: 100%; }

/* ── SECTION COMMONS ────────────────────────────────────────── */
section { position: relative; z-index: 1; padding: 90px 24px; }
.section-inner { max-width: 1000px; margin: 0 auto; }
.section-label {
  display: block; font-family: var(--font-display); font-size: 0.65rem;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--clr-glow); margin-bottom: 8px;
}
.section-title { font-size: clamp(1.6rem, 4vw, 2.4rem); font-weight: 700; margin-bottom: 14px; color: var(--clr-text); }
.section-line {
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--clr-glow), transparent);
  border-radius: 2px; margin-bottom: 48px;
}

/* ── ABOUT SECTION ──────────────────────────────────────────── */
#about { background: var(--clr-deep); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.about-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-md); padding: 28px; box-shadow: var(--shadow-card);
  transition: border-color var(--transition);
}
.about-card:hover { border-color: rgba(0,212,255,0.4); }
.about-card h3 {
  font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--clr-glow); margin-bottom: 16px; display: flex; align-items: center; gap: 8px;
}
.about-card p { color: var(--clr-muted); font-size: 0.95rem; }
.about-full { grid-column: 1 / -1; }

.edu-table { width: 100%; border-collapse: collapse; margin-top: 8px; }
.edu-table th, .edu-table td { padding: 10px 14px; text-align: left; font-size: 0.9rem; border-bottom: 1px solid var(--clr-border); }
.edu-table th { font-family: var(--font-display); font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--clr-glow); background: rgba(0,212,255,0.06); }
.edu-table td { color: var(--clr-muted); }
.edu-table tr:last-child td { border-bottom: none; }
.edu-table tr:hover td { color: var(--clr-text); background: rgba(255,255,255,0.02); }

.hobbies-list {
  list-style: none; display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px;
}
.hobbies-list li {
  background: rgba(13, 110, 253, 0.15); border: 1px solid rgba(13,110,253,0.35);
  color: var(--clr-text); padding: 5px 14px; border-radius: 99px; font-size: 0.83rem;
}

/* Certifications */
.certifications-list { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.cert-item {
  display: flex; align-items: center; gap: 12px;
  background: rgba(0,212,255,0.05); border: 1px solid rgba(0,212,255,0.15);
  border-radius: var(--radius-sm); padding: 10px 14px;
}
.cert-icon { font-size: 1.2rem; flex-shrink: 0; }
.cert-name { font-weight: 600; color: var(--clr-text); font-size: 0.88rem; }
.cert-issuer { font-size: 0.75rem; color: var(--clr-glow); margin-top: 2px; font-family: var(--font-display); letter-spacing: 0.08em; }

/* ── SKILLS SECTION ─────────────────────────────────────────── */
#skills { background: var(--clr-abyss); }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.skills-block h3 { font-size: 0.8rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--clr-glow); margin-bottom: 24px; }
.skill-item { margin-bottom: 20px; }
.skill-meta { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 0.88rem; font-weight: 500; color: var(--clr-text); }
.skill-meta .skill-pct { color: var(--clr-glow); font-family: var(--font-display); font-size: 0.75rem; }
.progress-track { height: 6px; background: var(--clr-border); border-radius: 3px; overflow: hidden; }
.progress-bar {
  height: 100%; border-radius: 3px;
  background: linear-gradient(90deg, var(--clr-blue), var(--clr-glow));
  box-shadow: 0 0 10px rgba(0,212,255,0.4);
  width: 0; transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.skills-table-wrap { overflow-x: auto; margin-top: 8px; }
.skills-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.skills-table th {
  font-family: var(--font-display); font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--clr-glow); padding: 10px 12px;
  background: rgba(0,212,255,0.07); border-bottom: 1px solid var(--clr-border); text-align: left;
}
.skills-table td { padding: 10px 12px; color: var(--clr-muted); border-bottom: 1px solid var(--clr-border); }
.skills-table tr:last-child td { border-bottom: none; }
.skills-table tr:hover td { color: var(--clr-text); }
.skill-dot {
  display: inline-block; width: 8px; height: 8px; border-radius: 50%;
  background: var(--clr-glow); box-shadow: 0 0 6px var(--clr-glow); margin-right: 6px;
}

/* ── PROJECTS SECTION ───────────────────────────────────────── */
#projects { background: var(--clr-deep); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-card);
  cursor: default;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column;
}
.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,212,255,0.45);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), var(--shadow-glow);
}

.project-img-wrap {
  width: 100%; aspect-ratio: 16/9; overflow: hidden;
  background: var(--clr-border); position: relative;
}
.project-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-img-wrap img { transform: scale(1.04); }

.project-img-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; color: var(--clr-dim); font-size: 2rem;
}
.project-img-placeholder span { font-size: 0.75rem; font-family: var(--font-display); letter-spacing: 0.1em; }

.project-photo-count {
  position: absolute; top: 10px; right: 10px;
  display: flex; align-items: center; gap: 4px;
  background: rgba(2, 8, 16, 0.8); border: 1px solid rgba(0,212,255,0.35);
  color: var(--clr-glow); font-family: var(--font-display); font-size: 0.65rem;
  letter-spacing: 0.05em; padding: 4px 9px; border-radius: 99px;
}

.project-info { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }

.project-title { font-size: 0.95rem; font-family: var(--font-display); font-weight: 600; color: var(--clr-text); }
.project-caption { font-size: 0.83rem; color: var(--clr-text); line-height: 1.5; font-weight: 500; }
.project-role { font-size: 0.78rem; color: var(--clr-glow); font-style: italic; }
.project-description { font-size: 0.82rem; color: var(--clr-muted); line-height: 1.6; }

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.tag {
  font-size: 0.68rem; font-family: var(--font-display); letter-spacing: 0.08em;
  padding: 3px 10px; border-radius: 99px;
  border: 1px solid rgba(0,212,255,0.3); color: var(--clr-glow);
  background: rgba(0,212,255,0.07);
}

.cert-link {
  color: var(--clr-text);
  text-decoration: none;
  transition: color var(--transition);
  font-weight: 600;
}
.cert-link:hover { color: var(--clr-glow); }
.cert-ext { font-size: 0.7rem; opacity: 0.7; }

/* Project action row */
.project-actions {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px;
}
.project-link-btn {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 0.7rem; font-family: var(--font-display); letter-spacing: 0.08em;
  text-transform: uppercase; padding: 6px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--clr-glow); color: var(--clr-glow);
  background: rgba(0,212,255,0.07);
  transition: all var(--transition); text-decoration: none;
}
.project-link-btn:hover {
  background: rgba(0,212,255,0.18); color: var(--clr-text);
  box-shadow: 0 0 10px rgba(0,212,255,0.2); transform: translateY(-1px);
}
.project-link-gh {
  border-color: var(--clr-border); color: var(--clr-muted);
  background: rgba(255,255,255,0.04);
}
.project-link-gh:hover {
  border-color: var(--clr-glow); color: var(--clr-glow);
  background: rgba(0,212,255,0.08);
}
.btn-view-gallery {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: 1px solid var(--clr-border);
  color: var(--clr-muted); font-size: 0.7rem; font-family: var(--font-display);
  letter-spacing: 0.08em; border-radius: var(--radius-sm); padding: 6px 12px;
  cursor: pointer; transition: all var(--transition); text-transform: uppercase;
}
.btn-view-gallery:hover { border-color: var(--clr-glow); color: var(--clr-glow); background: rgba(0,212,255,0.06); }

/* ── CAROUSEL MODAL ─────────────────────────────────────────── */
.carousel-modal {
  display: none; position: fixed; inset: 0; z-index: 2000;
  background: rgba(2, 8, 16, 0.95);
  align-items: center; justify-content: center; padding: 40px;
}
.carousel-modal.active { display: flex; }
.carousel-image-wrap {
  max-width: 900px; max-height: 80vh; border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-glow); background: var(--clr-surface);
}
.carousel-image-wrap img { max-height: 80vh; width: auto; margin: 0 auto; }
.carousel-image-placeholder {
  width: 600px; height: 380px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 10px; color: var(--clr-dim); font-size: 3rem;
}
.carousel-close, .carousel-prev, .carousel-next {
  position: absolute; background: var(--clr-surface); border: 1px solid var(--clr-border);
  color: var(--clr-glow); cursor: pointer; border-radius: 50%;
  width: 46px; height: 46px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; transition: all var(--transition);
}
.carousel-close:hover, .carousel-prev:hover, .carousel-next:hover {
  border-color: var(--clr-glow); box-shadow: var(--shadow-glow);
}
.carousel-close { top: 28px; right: 28px; }
.carousel-prev  { left: 28px; top: 50%; transform: translateY(-50%); }
.carousel-next  { right: 28px; top: 50%; transform: translateY(-50%); }
.carousel-counter {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.1em;
  color: var(--clr-muted); background: rgba(2, 8, 16, 0.75);
  border: 1px solid var(--clr-border); padding: 6px 16px; border-radius: 99px;
}

/* ── CONTACT SECTION ────────────────────────────────────────── */
#contact { background: var(--clr-abyss); }
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; }
.contact-info h3 { font-size: 1.1rem; margin-bottom: 12px; color: var(--clr-text); }
.contact-info p { color: var(--clr-muted); font-size: 0.9rem; margin-bottom: 28px; }
.contact-links { display: flex; flex-direction: column; gap: 12px; }
.contact-link {
  display: flex; align-items: center; gap: 12px; color: var(--clr-muted);
  font-size: 0.88rem; padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--clr-border); background: var(--clr-surface); transition: all var(--transition);
}
.contact-link:hover { border-color: rgba(0,212,255,0.4); color: var(--clr-glow); background: rgba(0,212,255,0.05); }
.contact-link .icon { font-size: 1.1rem; }

.contact-form {
  background: var(--clr-surface); border: 1px solid var(--clr-border);
  border-radius: var(--radius-md); padding: 32px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block; font-family: var(--font-display); font-size: 0.68rem;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--clr-glow); margin-bottom: 8px;
}
.form-group input, .form-group textarea {
  width: 100%; background: var(--clr-abyss); border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm); color: var(--clr-text); font-family: var(--font-body);
  font-size: 0.92rem; padding: 12px 16px;
  transition: border-color var(--transition), box-shadow var(--transition); outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--clr-dim); }
.form-group input:focus, .form-group textarea:focus {
  border-color: var(--clr-glow); box-shadow: 0 0 0 3px rgba(0,212,255,0.12);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.btn-submit { width: 100%; justify-content: center; padding: 14px; font-size: 0.8rem; }

/* ── FOOTER ─────────────────────────────────────────────────── */
footer {
  background: var(--clr-void); border-top: 1px solid var(--clr-border);
  padding: 32px 24px; text-align: center; position: relative; z-index: 1;
}
.footer-brand { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--clr-glow); margin-bottom: 8px; }
footer p { color: var(--clr-dim); font-size: 0.82rem; }

/* ── RESPONSIVE ─────────────────────────────────────────────── */

/* Tablet: ≤ 900px */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-full { grid-column: 1; }
  .skills-grid { grid-template-columns: 1fr; }
  .skills-grid > div[style] { grid-column: 1; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .hero-name { font-size: 2.8rem; }
}

/* Mobile: ≤ 640px */
@media (max-width: 640px) {
  /* Nav: hamburger menu */
  .nav-toggle { display: flex; }

  .nav-links {
    display: none;
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(5, 13, 26, 0.98);
    border-bottom: 1px solid var(--clr-border);
    padding: 12px 0;
    backdrop-filter: blur(14px);
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block; padding: 14px 24px; border-radius: 0; border: none;
    border-bottom: 1px solid rgba(26,53,88,0.4);
    font-size: 0.85rem;
  }
  .nav-links a:hover, .nav-links a.active {
    border-color: transparent; border-bottom-color: rgba(0,212,255,0.2);
  }

  /* Hero */
  .hero-avatar-wrap { width: 140px; height: 140px; }
  .hero-name { font-size: 2rem; }
  .hero-tagline { font-size: 0.92rem; }
  #home { padding: 90px 20px 50px; }

  /* Sections */
  section { padding: 60px 16px; }
  .section-title { font-size: 1.6rem; }

  /* Projects: single column */
  .projects-grid { grid-template-columns: 1fr; }

  /* About grid */
  .about-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Skills */
  .skills-grid { grid-template-columns: 1fr; gap: 24px; }

  /* Contact */
  .contact-layout { grid-template-columns: 1fr; gap: 28px; }
  .contact-form { padding: 20px; }

  /* Carousel */
  .carousel-modal { padding: 16px; }
  .carousel-prev { left: 10px; }
  .carousel-next { right: 10px; }

  /* Edu table: smaller text */
  .edu-table th, .edu-table td { font-size: 0.78rem; padding: 8px 10px; }
}

/* Very small: ≤ 380px */
@media (max-width: 380px) {
  .hero-name { font-size: 1.7rem; }
  .hero-avatar-wrap { width: 120px; height: 120px; }
  .btn { padding: 10px 18px; font-size: 0.7rem; }
}