/* ============================================================
   DARK DEVELOPER PORTFOLIO — style.css
   ============================================================
   To change the accent colour permanently, update the --accent
   variable below AND the accentColor in script.js CONFIG.
   ============================================================ */

/* ---------- CSS VARIABLES ---------- */
:root {
  --bg:            #09090e;
  --bg-card:       #111117;
  --bg-card-hover: #171720;
  --border:        rgba(255, 255, 255, 0.07);
  --border-hover:  rgba(255, 255, 255, 0.14);

  /* ── DEFAULT ACCENT: Red ── */
  --accent:        #e53935;
  --accent-dim:    rgba(229, 57, 53, 0.13);
  --accent-glow:   rgba(229, 57, 53, 0.30);

  --text:          #eeeef4;
  --text-muted:    #8888a6;
  --text-faint:    #2c2c40;

  --font-display:  'Syne', sans-serif;
  --font-body:     'DM Sans', sans-serif;

  --radius:        10px;
  --radius-lg:     16px;
  --ease:          0.22s ease;
  --max-w:         1080px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a   { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul  { list-style: none; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-faint); border-radius: 99px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  padding: 0 24px;
  transition: background var(--ease), box-shadow var(--ease);
}
.navbar.scrolled {
  background: rgba(9, 9, 14, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  flex-shrink: 0;
}

/* Desktop nav links */
.nav-links {
  display: flex;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  position: relative;
  padding-bottom: 3px;
  transition: color var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1.5px;
  background: var(--accent);
  transition: width var(--ease);
}
.nav-links a:hover,
.nav-links a.active        { color: var(--text); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 300;
  flex-shrink: 0;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 99px;
  transition: transform 0.28s ease, opacity 0.28s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  padding: 140px 24px 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100svh;
}

/* Dot grid background */
.dot-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--text-faint) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.6;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  pointer-events: none;
}

/* Inner flex row */
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-w);
  width: 100%;
  display: flex;
  align-items: center;
  gap: 72px;
}

/* ── Avatar ── */
.hero-avatar-wrap {
  position: relative;
  flex-shrink: 0;
  width: 180px;
  height: 180px;
}
.avatar-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  background: conic-gradient(var(--accent) 0%, transparent 50%, var(--accent) 100%);
  animation: spin 7s linear infinite;
  opacity: 0.5;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-avatar {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-card);
  border: 3px solid var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-avatar img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.avatar-initials {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  user-select: none;
  line-height: 1;
}

/* ── Hero text ── */
.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

/* "Hello, I'm" — small label */
.hero-greeting {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  opacity: 0.9;
}

/* Main name — large display heading */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5rem);
  font-weight: 800;
  /* FIXED: generous letter-spacing so text never feels cramped */
  letter-spacing: 0.02em;
  line-height: 1.12;
  margin-bottom: 14px;
  text-rendering: optimizeLegibility;
  background: linear-gradient(100deg, #ffffff 25%, var(--accent) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  /* Prevent gradient clip cutting descenders on webkit */
  padding-bottom: 0.1em;
  display: inline-block;
}

/* Role / title line — fixed: was too small on mobile */
.hero-role {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.8vw, 1.45rem);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}

/* Tagline */
.hero-tagline {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 36px;
  letter-spacing: 0.01em;
}
.hero-cta {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  transition: transform var(--ease), box-shadow var(--ease),
              background var(--ease), color var(--ease),
              border-color var(--ease), opacity var(--ease);
}
.btn:active { transform: translateY(1px) !important; box-shadow: none !important; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; pointer-events: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 6px 28px var(--accent-glow);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border-hover);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}

/* ── Spinner inside submit button ── */
.btn-spinner {
  display: none;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
.btn.loading .btn-label  { opacity: 0.6; }
.btn.loading .btn-spinner { display: block; }

/* ============================================================
   SECTIONS (shared)
   ============================================================ */
.section { padding: 104px 24px; }
.section:nth-child(even) { background: rgba(255,255,255,0.016); }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
}

/* Section title */
.section-title {
  font-family: var(--font-display);
  /* FIXED: minimum raised to 2.1rem so it's always prominent on mobile */
  font-size: clamp(2.1rem, 4.5vw, 2.8rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;
  margin-bottom: 56px;
  position: relative;
  display: inline-block;
  text-rendering: optimizeLegibility;
}
.section-title::after {
  content: '';
  position: absolute;
  left: 0; bottom: -14px;
  width: 36px; height: 3px;
  background: var(--accent);
  border-radius: 99px;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: start;
}
.about-text p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.9;
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.about-text p:last-child { margin-bottom: 0; }

.about-facts { display: flex; flex-direction: column; gap: 14px; }
.fact-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: border-color var(--ease), transform var(--ease);
}
.fact-card:hover {
  border-color: var(--accent);
  transform: translateX(4px);
}
.fact-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  min-width: 54px;
  letter-spacing: 0.02em;
}
.fact-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 14px;
}
.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  cursor: default;
  transition: border-color var(--ease), background var(--ease), transform var(--ease);
}
.skill-card:hover {
  border-color: var(--accent);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
}
.skill-icon {
  width: 30px; height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.skill-icon svg {
  width: 100%; height: 100%;
  fill: currentColor;
}
.skill-name {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-align: center;
  transition: color var(--ease);
}
.skill-card:hover .skill-name { color: var(--text); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--ease), transform var(--ease), box-shadow var(--ease);
}
.project-card:hover {
  border-color: var(--accent);
  transform: translateY(-5px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}
.project-tag {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.project-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: 0.01em;
}
.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
  flex: 1;
}
.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 4px 0;
}
.tech-badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 99px;
  background: var(--accent-dim);
  color: var(--accent);
  letter-spacing: 0.04em;
}
.project-link { align-self: flex-start; margin-top: 8px; }

/* ============================================================
   CONTACT
   ============================================================ */
.contact-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
  max-width: 580px;
}
.contact-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.85;
  letter-spacing: 0.01em;
}

/* ── Contact Form ── */
.contact-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.form-group label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius);
  padding: 13px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.5;
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease), background var(--ease);
  width: 100%;
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-faint);
  opacity: 1;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  background: var(--bg-card-hover);
}
.form-group input.error,
.form-group textarea.error {
  border-color: #ff5252;
}
.form-footer {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.form-status {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: opacity var(--ease), color var(--ease);
}
.form-status.success { color: #4caf82; }
.form-status.error   { color: #ff5252; }

/* ── Divider ── */
.contact-divider {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
}
.contact-divider::before,
.contact-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}
.contact-divider span {
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Email link ── */
.contact-email {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.8vw, 1.5rem);
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1.5px solid transparent;
  padding-bottom: 3px;
  letter-spacing: 0.01em;
  transition: border-color var(--ease);
}
.contact-email:hover { border-color: var(--accent); }

.social-links { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  transition: border-color var(--ease), color var(--ease), transform var(--ease);
}
.social-link:hover {
  border-color: var(--accent);
  color: var(--text);
  transform: translateY(-2px);
}
.social-link svg {
  width: 15px; height: 15px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  text-align: center;
  padding: 30px 24px;
  font-size: 0.8rem;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
  line-height: 1.7;
  letter-spacing: 0.02em;
}
.footer-heart  { color: #ff6b6b; }
.footer-author { color: var(--accent); font-weight: 600; }
.footer-org    { color: var(--text-muted); font-weight: 400; }

/* ============================================================
   COLOUR PALETTE WIDGET
   ============================================================ */
#paletteWrap {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}
#paletteToggle {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  flex-shrink: 0;
}
#paletteToggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 30px var(--accent-glow);
}
#paletteToggle.active { transform: scale(1.08) rotate(15deg); }
#paletteToggle svg {
  width: 20px; height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}
#palettePanel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 216px;
  opacity: 0;
  transform: translateY(8px) scale(0.96);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 12px 40px rgba(0,0,0,0.55);
}
#palettePanel.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.palette-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.swatches {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.swatch {
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}
.swatch:hover { transform: scale(1.18); }
.swatch.selected {
  border-color: #fff;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.2);
}
.palette-divider { height: 1px; background: var(--border); }
.palette-custom {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.palette-custom label {
  font-size: 0.78rem;
  color: var(--text-muted);
  cursor: pointer;
}
.palette-custom input[type="color"] {
  width: 40px; height: 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: none;
  cursor: pointer;
  padding: 2px 3px;
  transition: border-color var(--ease);
}
.palette-custom input[type="color"]:hover { border-color: var(--accent); }

/* ============================================================
   RESPONSIVE — TABLET  ≤ 820px
   ============================================================ */
@media (max-width: 820px) {

  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(270px, 78vw);
    height: 100dvh;
    background: rgba(9, 9, 14, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 28px;
    transform: translateX(100%);
    transition: transform 0.28s ease;
    border-left: 1px solid var(--border);
    z-index: 250;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a    { font-size: 0.95rem; letter-spacing: 0.14em; }

  .hero {
    padding: 120px 24px 80px;
    min-height: unset;
  }
  .hero-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 40px;
  }
  .hero-content  { align-items: center; }
  .hero-tagline  { margin: 0 auto 36px; }
  .hero-cta      { justify-content: center; }

  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .about-facts { flex-direction: row; flex-wrap: wrap; }
  .fact-card   { flex: 1; min-width: 120px; }

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

  .form-row { grid-template-columns: 1fr; }

  #paletteWrap { bottom: 20px; right: 20px; }
}

/* ============================================================
   RESPONSIVE — MOBILE  ≤ 480px
   ============================================================ */
@media (max-width: 480px) {
  .hero { padding: 110px 18px 72px; }
  .section { padding: 72px 18px; }

  .hero-avatar-wrap { width: 148px; height: 148px; }
  .avatar-initials  { font-size: 2.4rem; }

  .hero-name    { font-size: clamp(2.6rem, 11vw, 3.2rem); }
  .hero-role    { font-size: clamp(1.05rem, 4.5vw, 1.2rem); }

  .hero-cta { flex-direction: column; align-items: stretch; width: 100%; max-width: 300px; }
  .btn { width: 100%; }

  .about-facts { flex-direction: column; }

  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }

  .contact-inner { align-items: stretch; max-width: 100%; }
  .form-footer   { flex-direction: column; align-items: flex-start; }
  .form-footer .btn { width: 100%; }

  #palettePanel { width: 196px; }
}