/* ===========================
   COMPONENTS — Velnafa
   Reusable UI components
   =========================== */

/* ---- Custom Cursor ---- */
.cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--color-white);
  border-radius: var(--radius-full);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: transform var(--duration-fast) var(--ease-smooth),
              width var(--duration-base) var(--ease-smooth),
              height var(--duration-base) var(--ease-smooth),
              background var(--duration-base) var(--ease-smooth);
  mix-blend-mode: difference;
}

.cursor-follower {
  position: fixed;
  top: 0;
  left: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  pointer-events: none;
  z-index: var(--z-cursor);
  transform: translate(-50%, -50%);
  transition: transform 80ms linear,
              width var(--duration-slow) var(--ease-smooth),
              height var(--duration-slow) var(--ease-smooth),
              border-color var(--duration-base) var(--ease-smooth);
}

.cursor--hover .cursor {
  width: 64px;
  height: 64px;
  background: rgba(79, 70, 229, 0.2);
}
.cursor--hover .cursor-follower {
  width: 64px;
  height: 64px;
  border-color: rgba(79, 70, 229, 0.4);
}

/* ---- Page Loader ---- */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-loader);
  transition: opacity var(--duration-sluggish) var(--ease-elegant),
              visibility var(--duration-sluggish) var(--ease-elegant);
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.loader-logo {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  animation: loaderPulse 1.5s var(--ease-smooth) infinite alternate;
}

.loader-bar {
  width: 160px;
  height: 2px;
  background: var(--border-subtle);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loader-progress {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-white));
  border-radius: var(--radius-full);
  transition: width var(--duration-slow) var(--ease-smooth);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wide);
  border-radius: var(--radius-full);
  transition: all var(--duration-base) var(--ease-smooth);
  cursor: pointer;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: var(--color-white);
  color: var(--color-black);
}

.btn-primary:hover {
  background: var(--color-gray-100);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--border-default);
}

.btn-ghost:hover {
  border-color: var(--border-accent);
  background: rgba(255,255,255,0.04);
  transform: translateY(-1px);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn svg {
  transition: transform var(--duration-base) var(--ease-bounce);
}

.btn:hover svg {
  transform: translateX(3px);
}

/* ---- Navigation ---- */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  transition: background var(--duration-slow) var(--ease-smooth),
              border-color var(--duration-slow) var(--ease-smooth),
              backdrop-filter var(--duration-slow) var(--ease-smooth);
}

.nav-header.scrolled {
  background: rgba(10,10,10,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: baseline;
  gap: 1px;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-extrabold);
  letter-spacing: var(--tracking-tight);
  transition: opacity var(--duration-base);
}

.nav-logo:hover { opacity: 0.7; }

.logo-mark {
  color: var(--text-primary);
}

.logo-text {
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
  letter-spacing: var(--tracking-wide);
  transition: color var(--duration-base);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-white);
  transition: width var(--duration-base) var(--ease-smooth);
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: var(--space-1);
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-white);
  transition: all var(--duration-base) var(--ease-smooth);
  transform-origin: center;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: calc(var(--z-sticky) - 1);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-slower) var(--ease-elegant),
              visibility var(--duration-slower) var(--ease-elegant);
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
}

.mobile-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  text-align: center;
}

.mobile-link {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--text-secondary);
  letter-spacing: var(--tracking-tight);
  transition: color var(--duration-base);
  transform: translateY(20px);
  opacity: 0;
  transition: color var(--duration-base),
              transform var(--duration-slow) var(--ease-elegant),
              opacity var(--duration-slow) var(--ease-elegant);
}

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

.mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 50ms; }
.mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 100ms; }
.mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 150ms; }
.mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 200ms; }
.mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 250ms; }

.mobile-link:hover {
  color: var(--text-primary);
}

.mobile-link--cta {
  font-size: var(--text-xl);
  color: var(--color-accent-light);
}

/* ---- Theme Toggle Switch ---- */
.theme-toggle {
  position: relative;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}
.theme-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.theme-toggle-track {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-full);
  background: var(--color-gray-700);
  border: 1px solid var(--border-default);
  cursor: pointer;
  transition: background var(--duration-slow) var(--ease-smooth),
              border-color var(--duration-slow) var(--ease-smooth);
  display: flex;
  align-items: center;
  padding: 3px;
}
.theme-toggle-track::after {
  content: '';
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--color-white);
  transition: transform var(--duration-base) var(--ease-bounce),
              background var(--duration-slow);
  flex-shrink: 0;
}
.theme-toggle input:checked ~ .theme-toggle-track {
  background: var(--color-gray-200);
  border-color: var(--color-gray-300);
}
.theme-toggle input:checked ~ .theme-toggle-track::after {
  transform: translateX(22px);
  background: var(--color-black);
}

/* ---- Light Mode Overrides ---- */
[data-theme="light"] body { background-color: var(--bg-primary); }
[data-theme="light"] .page-loader { background: var(--bg-primary); }
[data-theme="light"] .nav-header.scrolled { background: rgba(255,255,255,0.92); border-color: var(--border-subtle); }
[data-theme="light"] .hamburger span { background: var(--color-black); }
[data-theme="light"] .hero-grid { background-image: linear-gradient(rgba(0,0,0,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(0,0,0,0.05) 1px, transparent 1px); }
[data-theme="light"] .nav-link::after { background: var(--color-black); }
[data-theme="light"] .cursor { background: var(--color-black); mix-blend-mode: normal; }
[data-theme="light"] .btn-primary { background: var(--color-black); color: var(--color-white); }
[data-theme="light"] .btn-primary:hover { background: #222; }
[data-theme="light"] .loader-logo { color: var(--color-black); }
[data-theme="light"] .loader-bar { background: var(--color-gray-200); }
[data-theme="light"] .services-grid { background: var(--border-subtle); }
[data-theme="light"] .service-card { background: var(--bg-primary); }
[data-theme="light"] .service-card:hover { background: var(--bg-card); }
[data-theme="light"] .cta-inner { background: var(--bg-secondary); border-color: var(--border-subtle); }
[data-theme="light"] .work-card { background: var(--bg-card); }
[data-theme="light"] .testimonial-card { background: var(--bg-card); }

/* ---- Page Hero (inner pages) ---- */
.page-hero {
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-20);
  border-bottom: 1px solid var(--border-subtle);
}
.page-hero-label {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-4xl), 6vw, var(--text-7xl));
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
}
.page-hero-desc {
  font-size: var(--text-lg);
  font-weight: var(--weight-light);
  line-height: var(--leading-relaxed);
  color: var(--text-secondary);
  max-width: 560px;
  margin-top: var(--space-5);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
  margin-bottom: var(--space-6);
}
.breadcrumb a { color: var(--text-muted); transition: color var(--duration-base); }
.breadcrumb a:hover { color: var(--text-primary); }
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  transition: color var(--duration-base), gap var(--duration-base) var(--ease-bounce);
  margin-bottom: var(--space-8);
}
.back-link:hover { color: var(--text-primary); gap: var(--space-3); }

/* ---- Theme Icon Toggle (sun/moon button) ---- */
.theme-icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-default);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background var(--duration-base),
              border-color var(--duration-base),
              color var(--duration-base),
              transform var(--duration-base) var(--ease-bounce);
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.theme-icon-btn:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--border-accent);
  color: var(--text-primary);
  transform: rotate(12deg) scale(1.05);
}

[data-theme="light"] .theme-icon-btn:hover {
  background: rgba(0,0,0,0.06);
}

.theme-icon-btn .icon-sun,
.theme-icon-btn .icon-moon {
  position: absolute;
  transition: opacity var(--duration-base) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-bounce);
}

/* Dark mode: tampilkan sun (klik untuk light) */
[data-theme="dark"] .theme-icon-btn .icon-sun  { opacity: 1;  transform: rotate(0deg) scale(1); }
[data-theme="dark"] .theme-icon-btn .icon-moon { opacity: 0;  transform: rotate(-90deg) scale(0.5); }

/* Light mode: tampilkan moon (klik untuk dark) */
[data-theme="light"] .theme-icon-btn .icon-sun  { opacity: 0;  transform: rotate(90deg) scale(0.5); }
[data-theme="light"] .theme-icon-btn .icon-moon { opacity: 1;  transform: rotate(0deg) scale(1); }

/* ---- btn-ghost Light Mode Fix ---- */
[data-theme="light"] .btn-ghost {
  color: var(--color-black);
  border-color: var(--color-gray-300);
}

[data-theme="light"] .btn-ghost:hover {
  background: rgba(0,0,0,0.06);
  border-color: var(--color-gray-500);
  color: var(--color-black);
}

/* ---- Logo mark fix \u2014 light mode ---- */
.logo-mark {
  color: var(--text-primary);
}

/* Ensure loader logo visible in both modes */
.loader-logo {
  color: var(--text-primary) !important;
}