/* ==========================================================================
   COMPONENTS.CSS — Reusable UI Components
   Arme Demir Premium Portfolio
   ========================================================================== */

/* =======================================================================
   HEADER
   ======================================================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: var(--z-header);
  padding: 1rem 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.header--scrolled {
  background: rgba(10, 10, 10, 0.85);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.7rem 0;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* --- Logo --- */
.header__logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  position: relative;
  display: flex;
  align-items: center;
  cursor: pointer;
}

.header__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.header__logo-text span {
  color: var(--accent);
  font-weight: 300;
}

/* --- Desktop Navigation --- */
.header__nav {
  display: flex;
  gap: var(--gap-lg);
  align-items: center;
}

.header__nav-link {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--duration-fast);
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--duration-normal) var(--ease-out);
}

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

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

.header__nav-link.active {
  color: var(--accent);
}

.header__nav-link.active::after {
  width: 100%;
  background: var(--accent);
}

/* --- Language Switcher --- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: var(--gap-md);
}

.lang-divider {
  color: var(--text-muted);
  font-size: var(--fs-xs);
  user-select: none;
}

.lang-btn {
  background: none;
  border: 1px solid transparent;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 600;
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--duration-fast);
  letter-spacing: 0.05em;
}

.lang-btn:hover {
  color: var(--text-primary);
}

.lang-btn.active {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* --- Mobile Header Right --- */
.header__right-mobile {
  display: none;
  align-items: center;
  gap: var(--gap-sm);
}

.lang-switcher--mobile {
  margin-left: 0;
}


/* =======================================================================
   MOBILE MENU BUTTON
   ======================================================================= */
.mobile-menu-btn {
  display: none;          /* hidden on desktop; shown via responsive.css */
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: calc(var(--z-mobile-menu) + 1);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--duration-normal) var(--ease-out);
  border-radius: 2px;
}

/* Hamburger → X morph */
.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}


/* =======================================================================
   MOBILE MENU OVERLAY
   ======================================================================= */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: var(--overlay-bg);
  -webkit-backdrop-filter: blur(30px);
  backdrop-filter: blur(30px);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--gap-lg);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-slow) var(--ease-out);
}

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

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.mobile-menu--active .mobile-menu__link {
  transform: translateY(0);
  opacity: 1;
}

/* Staggered entrance */
.mobile-menu--active .mobile-menu__link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu--active .mobile-menu__link:nth-child(2) { transition-delay: 0.2s; }
.mobile-menu--active .mobile-menu__link:nth-child(3) { transition-delay: 0.3s; }
.mobile-menu--active .mobile-menu__link:nth-child(4) { transition-delay: 0.4s; }


/* =======================================================================
   BUTTONS
   ======================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--gap-sm);
  padding: 1rem 2.5rem;
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  border: none;
  position: relative;
  overflow: hidden;
}

/* Ripple pseudo-element */
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
  opacity: 0;
  transform: scale(0);
  transition: opacity var(--duration-fast), transform var(--duration-slow) var(--ease-out);
}

.btn:active::after {
  opacity: 1;
  transform: scale(2.5);
  transition: opacity 0s, transform var(--duration-slow) var(--ease-out);
}

/* --- Primary --- */
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #000;
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-strong);
}

/* --- Outline --- */
.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: #000;
}


/* =======================================================================
   GLASS CARD
   ======================================================================= */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: all var(--duration-normal) var(--ease-out);
}

.glass-card:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}


/* =======================================================================
   CONSENT OVERLAY (Cookie / Age-gate)
   ======================================================================= */
.consent-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-consent);
  background: rgba(5, 5, 5, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-slower) var(--ease-out);
}

.consent-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* --- Card --- */
.consent-card {
  max-width: 520px;
  width: 90%;
  padding: 3rem;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  text-align: center;
  transform: scale(1);
  transition: all var(--duration-slower) var(--ease-spring);
}

.consent-overlay.hidden .consent-card {
  transform: scale(0.9);
}

.consent-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--gap-md);
  color: var(--accent);
}

.consent-card__icon svg {
  width: 48px;
  height: 48px;
}

.consent-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--text-primary);
  margin-bottom: var(--gap-md);
}

.consent-card__text {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-loose);
  margin-bottom: var(--gap-lg);
}

.consent-card__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--gap-md);
  margin-bottom: var(--gap-lg);
}

.consent-card__link {
  color: var(--accent);
  font-size: var(--fs-xs);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color var(--duration-fast);
}

.consent-card__link:hover {
  color: var(--accent-light);
}


/* =======================================================================
   MODAL (Policy / Legal text)
   ======================================================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: var(--z-modal);
  background: var(--overlay-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  position: relative;
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  padding: 2.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transform: translateY(20px);
  transition: transform var(--duration-normal) var(--ease-out);
}

.modal-overlay.active .modal-content {
  transform: translateY(0);
}

.modal-content h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--text-primary);
  margin-bottom: var(--gap-md);
}

.modal-content p {
  font-size: var(--fs-small);
  color: var(--text-secondary);
  line-height: var(--lh-loose);
  margin-bottom: var(--gap-md);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color var(--duration-fast);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-primary);
}


/* =======================================================================
   THEME TOGGLE
   ======================================================================= */
.theme-toggle {
  background: none;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.4s ease;
  margin: 0 0.25rem;
}
.theme-toggle:hover {
  border-color: #d4870e;
  color: #d4870e;
  background: rgba(212, 135, 14, 0.08);
}
.theme-toggle svg {
  width: 18px;
  height: 18px;
}
[data-theme="light"] .theme-toggle {
  border-color: rgba(0,0,0,0.12);
  color: #555;
}
[data-theme="light"] .theme-toggle:hover {
  border-color: #d4870e;
  color: #d4870e;
}