/* =========================================================================
   AMBERNORD — GLOBAL STYLES
   css/main.css
   Design tokens · Reset · Typography · Nav · Footer · Buttons · FAB
   ========================================================================= */

/* =========================================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================================================= */

:root {
  /* --- Brand Colors --- */
  --color-bg:              #0a0a0a;
  --color-surface:         #111111;
  --color-surface-2:       #121212;
  --color-gold:            #EDA323;
  --color-gold-hover:      #f0b543;
  --color-gold-dim:        rgba(237, 163, 35, 0.3);
  --color-gold-dimmer:     rgba(237, 163, 35, 0.15);
  --color-text:            #ffffff;
  --color-text-muted:      #d0d0d0;
  --color-text-dim:        #888888;
  --color-border:          rgba(255, 255, 255, 0.07);
  --color-border-subtle:   rgba(255, 255, 255, 0.04);
  --color-border-gold:     rgba(237, 163, 35, 0.3);

  /* --- Typography --- */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Montserrat', sans-serif;

  /* --- Spacing --- */
  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  40px;
  --space-xl:  80px;
  --space-2xl: 120px;

  /* --- Layout --- */
  --container-max: 1400px;
  --container-pad: 20px;
  --nav-height:    80px;

  /* --- Z-index layers (no more z-index chaos) --- */
  --z-base:    1;
  --z-above:   10;
  --z-sticky:  100;
  --z-nav:     1000;
  --z-overlay: 2000;
  --z-fab:     3000;
  --z-modal:   9000;

  /* --- Transitions --- */
  --ease-smooth: cubic-bezier(0.165, 0.84, 0.44, 1);
  --ease-out:    cubic-bezier(0.25, 0.8, 0.25, 1);
  --t-fast: 0.2s;
  --t-base: 0.4s;
  --t-slow: 0.6s;
}

/* =========================================================================
   2. RESET & BASE
   ========================================================================= */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
  scroll-behavior: auto;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

p:empty {
  display: none;
}

ul {
  margin: 0;
  padding: 0;
}

/* =========================================================================
   3. GLOBAL TYPOGRAPHY
   ========================================================================= */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 400;
  margin-top: 0;
  color: var(--color-text);
}

h1 {
  font-size: clamp(30px, 4.5vw, 46px);
  line-height: 1.1;
  margin-bottom: 25px;
}

h2 {
  font-size: clamp(24px, 3.5vw, 40px);
  line-height: 1.2;
  margin-bottom: 25px;
}

h3 {
  font-size: 22px;
  color: var(--color-gold);
  margin-bottom: 15px;
}

p, li {
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 15px;
}

h1 span, h2 span {
  display: block;
  color: var(--color-gold);
  font-style: italic;
}

/* Uppercase eyebrow / subtitle label */
.premium-subtitle {
  font-family: var(--font-sans);
  display: inline-block;
  color: var(--color-gold);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 4.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--color-border-gold);
  padding-bottom: 8px;
}

/* =========================================================================
   4. GLOBAL BUTTONS
   ========================================================================= */

.ambernord-btn {
  background: var(--color-bg);
  border: 1px solid var(--color-gold);
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 14px 35px;
  transition: all var(--t-base) ease;
  text-decoration: none;
  color: var(--color-gold);
  font-family: var(--font-sans);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
}

.ambernord-btn:hover {
  background: #1a1a1a;
  box-shadow: 0 5px 20px rgba(237, 163, 35, 0.25);
  color: var(--color-text);
}

/* Gold filled CTA button */
.ambernord-btn-solid {
  background-color: var(--color-gold);
  color: var(--color-bg);
  border: none;
  border-radius: 4px;
  display: inline-block;
  padding: 16px 45px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color var(--t-fast) ease,
              transform var(--t-fast) ease,
              box-shadow var(--t-fast) ease;
  box-shadow: 0 4px 15px rgba(237, 163, 35, 0.3);
  cursor: pointer;
  margin-bottom: 15px;
}

.ambernord-btn-solid:hover {
  background-color: var(--color-gold-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(237, 163, 35, 0.5);
  color: var(--color-bg);
}

/* =========================================================================
   5. ANIMATION KEYFRAMES & REDUCED MOTION
   ========================================================================= */

@keyframes smoothReveal {
  from { opacity: 0; transform: translateY(30px); filter: blur(5px); }
  to   { opacity: 1; transform: translateY(0);    filter: blur(0);   }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================================================
   6. NAVIGATION
   ========================================================================= */

.ambernord-topbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background-color: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-subtle);
  z-index: var(--z-nav);
  overflow: visible;
}

.ambernord-topbar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 4vw;
  overflow: visible;
}

/* Logo */
.ambernord-logo-link {
  display: flex;
  align-items: center;
  height: 100%;
  text-decoration: none;
  transition: opacity var(--t-base) ease;
}

.ambernord-logo-link:hover {
  opacity: 0.7;
}

.ambernord-logo-link img {
  height: 65px;
  width: auto;
  display: block;
}

/* Desktop nav links container */
.nav-links {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 30px;
  overflow: visible;
}

.nav-links > a {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--t-fast) ease;
  white-space: nowrap;
}

.nav-links > a:hover {
  color: var(--color-gold);
}

/* Dropdown */
.ambernord-dropdown {
  position: relative;
  display: flex;
  align-items: center;
  height: 100%;
  overflow: visible;
}

.ambernord-dropbtn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
  padding: 0;
  outline: none;
  transition: color var(--t-fast) ease;
  white-space: nowrap;
}

.ambernord-dropdown:hover .ambernord-dropbtn,
.ambernord-dropbtn[aria-expanded="true"] {
  color: var(--color-gold);
}

.ambernord-dropdown-content {
  display: block;
  position: absolute;
  top: calc(100% + 4px);
  left: -20px;
  min-width: 240px;
  background-color: var(--color-surface);
  border: 1px solid #222;
  border-radius: 8px;
  padding: 10px 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--t-fast) ease, transform var(--t-fast) ease;
}

.ambernord-dropdown:hover .ambernord-dropdown-content {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.ambernord-dropdown-content a {
  display: block;
  padding: 12px 20px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: var(--color-text-muted);
  border-bottom: 1px solid #222;
  transition: background var(--t-fast) ease, color var(--t-fast) ease;
}

.ambernord-dropdown-content a:last-child {
  border-bottom: none;
}

.ambernord-dropdown-content a:hover {
  background-color: #1a1a1a;
  color: var(--color-gold);
}

/* Nav CTA button */
.nav-btn {
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 10px 22px;
  border-radius: 4px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-decoration: none;
  transition: transform var(--t-fast) ease, background-color var(--t-fast) ease;
  white-space: nowrap;
}

.nav-btn:hover {
  background-color: var(--color-gold-hover);
  color: var(--color-bg);
  transform: translateY(-2px);
}

/* Hamburger button (mobile only) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 26px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  outline: none;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--t-fast) ease;
  display: block;
}

/* Hamburger → X animation when menu is open */
.hamburger.is-open span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* =========================================================================
   7. MOBILE OVERLAY MENU
   ========================================================================= */

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-bg);
  z-index: var(--z-overlay);
  transform: translateY(-100%);
  transition: transform var(--t-base) var(--ease-smooth);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-menu-overlay.is-open {
  transform: translateY(0);
}

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  height: var(--nav-height);
  border-bottom: 1px solid #222;
  flex-shrink: 0;
}

.close-menu {
  background: none;
  border: none;
  font-size: 40px;
  cursor: pointer;
  color: var(--color-text);
  line-height: 1;
  padding: 0;
  outline: none;
  transition: color var(--t-fast) ease;
}

.close-menu:hover {
  color: var(--color-gold);
}

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  padding: 30px 20px;
  gap: 0;
  overflow-y: auto;
}

.mobile-link {
  font-family: var(--font-sans);
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid #222;
  padding: 15px 0;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: color var(--t-fast) ease;
  display: block;
}

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

.mobile-link--label {
  font-size: 16px;
  cursor: default;
  border-bottom: none;
  padding-bottom: 5px;
  color: var(--color-text);
}

.mobile-sublink {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 400;
  color: var(--color-text-dim);
  text-decoration: none;
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid #1a1a1a;
  letter-spacing: 0.5px;
  transition: color var(--t-fast) ease;
  display: block;
}

.mobile-sublink:hover {
  color: var(--color-gold);
}

.mobile-sublink--last {
  border-bottom: 1px solid #222;
  margin-bottom: 5px;
}

.mobile-btn {
  font-family: var(--font-sans);
  background: var(--color-gold);
  color: var(--color-bg);
  padding: 15px;
  text-align: center;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
  margin-top: 15px;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: background-color var(--t-fast) ease;
  display: block;
}

.mobile-btn:hover {
  background-color: var(--color-gold-hover);
  color: var(--color-bg);
}

/* =========================================================================
   8. FOOTER
   ========================================================================= */

.ambernord-footer {
  background-color: var(--color-bg);
  padding: 50px var(--container-pad) 30px var(--container-pad);
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.ambernord-footer-social {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 30px;
}

.ambernord-footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: border-color var(--t-fast) ease, transform var(--t-fast) ease;
}

.ambernord-footer-social a svg {
  width: 18px;
  height: 18px;
  fill: var(--color-text-dim);
  transition: fill var(--t-fast) ease;
}

.ambernord-footer-social a:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.ambernord-footer-social a:hover svg {
  fill: var(--color-gold);
}

.ambernord-footer-copyright {
  color: var(--color-text-dim);
  font-family: var(--font-sans);
  font-size: 12px;
  margin-bottom: 15px;
}

.ambernord-footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-family: var(--font-sans);
  font-size: 12px;
}

.ambernord-footer-links a {
  color: var(--color-text-dim);
  text-decoration: none;
  transition: color var(--t-fast) ease;
}

.ambernord-footer-links a:hover {
  color: var(--color-gold);
}

.ambernord-footer-separator {
  color: #333;
  user-select: none;
}

/* =========================================================================
   9. FLOATING ACTION BUTTON (FAB)
   ========================================================================= */

.ambernord-fab-container {
  position: fixed;
  bottom: 25px;
  right: 25px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: var(--z-fab);
}

.ambernord-fab {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-surface-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  height: 40px;
  width: 40px;
  text-decoration: none;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
  transition: background-color var(--t-fast) ease,
              border-color var(--t-fast) ease,
              transform var(--t-fast) ease;
  cursor: pointer;
}

.ambernord-fab:hover {
  background-color: #1a1a1a;
  border-color: rgba(50, 158, 247, 0.5);
  transform: translateY(-2px);
}

.ambernord-fab svg {
  width: 18px;
  height: 18px;
  stroke: rgb(50, 158, 247);
  fill: none;
  transition: transform var(--t-fast) ease;
}

.ambernord-fab:hover svg {
  transform: scale(1.1);
}

.fab-tooltip {
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  background-color: var(--color-gold);
  color: var(--color-bg);
  font-family: var(--font-sans);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 6px 10px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-fast) ease, visibility var(--t-fast) ease;
  pointer-events: none;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.fab-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 100%;
  transform: translateY(-50%);
  border: 4px solid transparent;
  border-left-color: var(--color-gold);
}

.ambernord-fab:hover .fab-tooltip {
  opacity: 1;
  visibility: visible;
}

/* =========================================================================
   10. MOBILE STICKY CTA (product pages only)
   ========================================================================= */

.ambernord-mobile-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background-color: var(--color-gold);
  z-index: var(--z-nav);
  transform: translateY(100%);
  transition: transform var(--t-base) var(--ease-smooth);
  box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.5);
  display: none;
}

.ambernord-mobile-sticky.is-visible {
  transform: translateY(0);
}

.ambernord-mobile-sticky button {
  width: 100%;
  border: none;
  background: transparent;
  padding: 18px 20px;
  color: var(--color-bg);
  font-family: var(--font-sans);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  outline: none;
}

.ambernord-mobile-sticky .cta-main-text {
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ambernord-mobile-sticky .cta-sub-text {
  font-weight: 600;
  font-size: 13px;
  opacity: 0.85;
}

/* =========================================================================
   11. LIGHTBOX
   ========================================================================= */

.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: var(--z-modal);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-fast) ease;
}

.lightbox-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-image {
  max-width: 90%;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

#lightbox-close {
  position: absolute;
  top: 30px;
  right: 40px;
  color: var(--color-text);
  font-size: 40px;
  cursor: pointer;
  user-select: none;
  transition: color var(--t-fast) ease;
  line-height: 1;
}

#lightbox-close:hover {
  color: var(--color-gold);
}

/* =========================================================================
   12. RESPONSIVE — MOBILE NAV
   ========================================================================= */

@media (max-width: 991px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .ambernord-fab-container {
    bottom: 75px;
    right: 15px;
  }

  .ambernord-fab {
    width: 38px;
    height: 38px;
  }

  .fab-tooltip {
    display: none;
  }

  .ambernord-mobile-sticky {
    display: block;
  }
}

@media (min-width: 992px) {
  .ambernord-mobile-sticky {
    display: none;
  }
}