/* ============================================================
   SkillGrow – Global Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --bg-primary:    #000000;
  --bg-secondary:  #0a0a0a;
  --bg-card:       #121212;
  --bg-card-hover: #1a1a1a;
  --border:        #4d4d4d;
  --border-subtle: #333333;

  --text-primary:  #ffffff;
  --text-secondary:#b3b3b3;
  --text-muted:    #666666;

  --green:         #ffffff;
  --green-dark:    #e0e0e0;
  --green-glow:    rgba(255,255,255,0.1);
  --green-light:   rgba(255,255,255,0.05);

  --blue:          #ffffff;
  --purple:        #ffffff;
  --orange:        #ffffff;
  --pink:          #ffffff;

  --gradient-hero: #000000;
  --gradient-card: #121212;
  --gradient-green:#ffffff;
  --gradient-glow: rgba(255,255,255,0.05);

  --radius-sm:  0px;
  --radius-md:  0px;
  --radius-lg:  0px;
  --radius-xl:  0px;
  --radius-full:9999px;

  --shadow-sm:  none;
  --shadow-md:  none;
  --shadow-lg:  0 4px 20px rgba(0,0,0,0.8);
  --shadow-green: none;
  --shadow-blue: none;

  --transition: all 0.2s ease-in-out;
  --transition-slow: all 0.4s ease-in-out;

  --nav-height: 70px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ── Scrollbar ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Navigation ─────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(13,17,23,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 5%;
  gap: 2rem;
  transition: var(--transition);
}
.navbar.scrolled {
  background: #000000;
  border-bottom-color: var(--border);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--green); }
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-green);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
  background: var(--bg-secondary);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  transform: translateX(-50%);
  width: 100%; height: 1px;
  background: var(--text-primary);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: 1rem;
}
.nav-user-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.nav-user-badge:hover { border-color: var(--green); }
.nav-user-avatar {
  width: 28px; height: 28px;
  background: var(--gradient-green);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}
.nav-mobile-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--text-primary);
  color: var(--bg-primary);
  border: 1px solid var(--text-primary);
}
.btn-primary:hover {
  background: transparent;
  color: var(--text-primary);
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--text-primary);
}
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-secondary); }
.btn-sm { padding: 0.45rem 1rem; font-size: 0.82rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }

/* ── Cards ────────────────────────────────────────────────── */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.card:hover {
  border-color: var(--border);
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-green  { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.badge-blue   { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.badge-purple { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }
.badge-orange { background: transparent; color: var(--text-primary); border: 1px solid var(--border); }

/* ── Section Layouts ──────────────────────────────────────── */
.section { padding: 7rem 5%; }
.section-alt { background: var(--bg-secondary); }
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.section-header p {
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}
.section-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}

/* ── Grid helpers ─────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

/* ── Form Elements ────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-secondary); }
.form-input {
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}
.form-input:focus {
  border-color: #ffffff;
  outline: 2px solid rgba(255, 255, 255, 0.2);
}
.form-input::placeholder { color: var(--text-muted); }

/* ── Alert / Toast ────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 2rem; right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  animation: toastIn 0.3s ease forwards;
}
.toast.success { border-left: 3px solid var(--green); }
.toast.error   { border-left: 3px solid var(--pink);  }
.toast.info    { border-left: 3px solid var(--blue);  }
.toast-icon { font-size: 1.1rem; }
.toast-msg  { font-size: 0.88rem; font-weight: 500; }
@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Gig Card ─────────────────────────────────────────────── */
.gig-card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.gig-card:hover {
  border-color: var(--text-primary);
}
.gig-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--bg-secondary);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
  overflow: hidden;
  position: relative;
}
.gig-card-img img { width: 100%; height: 100%; object-fit: cover; }
.gig-card-body { padding: 1.1rem; }
.gig-card-seller {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}
.seller-avatar {
  width: 28px; height: 28px;
  background: var(--gradient-green);
  border-radius: 50%;
  font-size: 0.72rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  color: white;
}
.gig-card-seller span { font-size: 0.82rem; color: var(--text-secondary); font-weight: 500; }
.gig-card-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.gig-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}
.gig-rating {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.gig-rating .stars { color: #ffffff; }
.gig-price {
  font-size: 0.88rem;
  color: var(--text-secondary);
}
.gig-price span { color: var(--text-primary); font-weight: 700; font-size: 1rem; }

/* ── Star Rating ──────────────────────────────────────────── */
.stars { letter-spacing: 1px; }

/* ── Loading Spinner ──────────────────────────────────────── */
.spinner {
  width: 40px; height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Page Header ──────────────────────────────────────────── */
.page-header {
  padding: calc(var(--nav-height) + 3rem) 5% 3rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}
.page-header h1 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.5px;
}
.page-header p {
  color: var(--text-secondary);
  margin-top: 0.5rem;
  font-size: 1rem;
}

/* ── Footer ───────────────────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3.5rem 5% 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}
.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.75rem;
  max-width: 280px;
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}
.footer-col ul li + li { margin-top: 0.5rem; }
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.88rem;
  transition: var(--transition);
}
.footer-col ul li a:hover { color: var(--green); }
.footer-socials {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
}
.social-icon {
  width: 40px; height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  transition: var(--transition);
  color: var(--text-secondary);
}
.social-icon:hover {
  background: var(--green);
  border-color: var(--green);
  color: white;
  transform: translateY(-2px);
}
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-bottom a { color: var(--green); }

/* ── Utilities ────────────────────────────────────────────── */
.text-green   { color: var(--green); }
.text-secondary { color: var(--text-secondary); }
.text-muted   { color: var(--text-muted); }
.font-bold    { font-weight: 700; }
.font-semibold{ font-weight: 600; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.w-full { width: 100%; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .nav-links, .nav-actions { display: none; }
  .nav-mobile-toggle { display: flex; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .section { padding: 3rem 5%; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
}
@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* Mobile Nav Open State */
.nav-mobile-open .nav-links,
.nav-mobile-open .nav-actions {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 5%;
  gap: 0.5rem;
}
.nav-mobile-open .nav-actions {
  top: auto;
  position: static;
  flex-direction: row;
  padding: 0 0 1rem;
  border-bottom: none;
}
/* -- Welcome Animation -------------------------------------- */
#welcome-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  transition: opacity 0.8s ease-in-out;
}
.welcome-content {
  text-align: center;
  transition: transform 1.4s cubic-bezier(0.65, 0, 0.35, 1);
  transform-origin: 73% 30%;
}
.welcome-text {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -3px;
  color: var(--text-primary);
  opacity: 0;
  animation: welcomeFadeIn 1s forwards cubic-bezier(0.2, 0.8, 0.2, 1);
}
.zoom-target {
  display: inline-block;
  color: var(--text-primary);
}
.welcome-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: -5px;
  opacity: 0;
  animation: welcomeFadeIn 1s 0.3s forwards cubic-bezier(0.2, 0.8, 0.2, 1);
}
@keyframes welcomeFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
body.loaded #welcome-loader {
  opacity: 0;
}
body.loaded .welcome-content {
  transform: scale(100);
}