/* ==========================================
   BARROWS GUITARS — Global Stylesheet
   ========================================== */

/* ---------- CSS Reset & Variables ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --clr-bg:          #0a0a0a;
  --clr-surface:     #111111;
  --clr-surface2:    #1a1a1a;
  --clr-border:      rgba(255,255,255,0.08);
  --clr-gold:        #c9a84c;
  --clr-gold-light:  #e8c97a;
  --clr-gold-dark:   #8a6e2a;
  --clr-text:        #f0ece4;
  --clr-muted:       rgba(240,236,228,0.55);
  --clr-white:       #ffffff;

  --ff-serif:   'Playfair Display', Georgia, serif;
  --ff-sans:    'Inter', system-ui, sans-serif;

  --nav-width:  300px;
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);

  /* Prevent horizontal scroll */
  overflow-x: hidden;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;          /* No scrolling on home */
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--ff-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- Hamburger Button ---------- */
.hamburger {
  position: fixed;
  top: clamp(14px, 3vw, 22px);
  left: clamp(14px, 3vw, 22px);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 48px;
  background: rgba(10,10,10,0.65);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
  touch-action: manipulation;
}

.hamburger:hover {
  background: rgba(201,168,76,0.15);
  border-color: var(--clr-gold);
  transform: scale(1.05);
}

.hamburger:active {
  transform: scale(0.96);
}

.bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: transform 0.35s var(--ease-out), opacity 0.25s;
}

/* Hamburger → X animation */
.hamburger.open .bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.open .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Menu Overlay ---------- */
.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 900;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
}

.menu-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ---------- Side Navigation ---------- */
.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 950;
  width: var(--nav-width);
  max-width: 85vw;
  height: 100%;
  height: 100dvh;
  background: linear-gradient(160deg, #111111 0%, #0d0d0d 100%);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 0.4s var(--ease-out);
  overflow: hidden;
}

/* Subtle gold accent line at left edge */
.side-nav::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--clr-gold) 0%, transparent 100%);
  opacity: 0.6;
}

.side-nav.open {
  transform: translateX(0);
}

/* Nav Header */
.nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 20px 20px;
  border-bottom: 1px solid var(--clr-border);
}

.nav-logo {
  font-family: var(--ff-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--clr-gold);
  letter-spacing: 0.08em;
  background: linear-gradient(135deg, var(--clr-gold), var(--clr-gold-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-close {
  background: none;
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  color: var(--clr-muted);
  font-size: 0.9rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  touch-action: manipulation;
}

.nav-close:hover {
  color: var(--clr-text);
  border-color: var(--clr-gold);
  background: rgba(201,168,76,0.08);
}

/* Nav Links */
.nav-links {
  list-style: none;
  flex: 1;
  padding: 16px 0;
  overflow-y: auto;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 24px;
  color: var(--clr-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.25s, padding-left 0.25s, background 0.25s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--clr-gold);
  transform: scaleY(0);
  transition: transform 0.25s var(--ease-out);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--clr-text);
  padding-left: 32px;
  background: rgba(255,255,255,0.03);
}

.nav-link:hover::after,
.nav-link:focus-visible::after {
  transform: scaleY(1);
}

.nav-icon {
  font-size: 1.05rem;
  opacity: 0.75;
  flex-shrink: 0;
}

/* Nav Footer */
.nav-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--clr-border);
  font-size: 0.72rem;
  color: var(--clr-gold-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ---------- Homepage Layout ---------- */
.homepage {
  position: relative;
  width: 100%;
  height: 100%;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Background image */
.bg-image {
  position: absolute;
  inset: 0;
  background-image: url('assets/guitars-hero.jpg');
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
  transform: scale(1.03);   /* slight scale for subtle parallax feel */
  transition: transform 8s ease;
  will-change: transform;
}

/* Multi-layer gradient overlay */
.bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to bottom,
      rgba(0,0,0,0.72) 0%,
      rgba(0,0,0,0.30) 40%,
      rgba(0,0,0,0.50) 70%,
      rgba(0,0,0,0.88) 100%
    ),
    linear-gradient(
      to right,
      rgba(0,0,0,0.60) 0%,
      transparent 60%
    );
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(60px, 10vw, 100px) clamp(20px, 6vw, 80px) 20px;
  text-align: center;
}

.hero-content {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(10px, 2.5vh, 20px);
}

@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Badge */
.brand-badge {
  font-family: var(--ff-sans);
  font-size: clamp(0.6rem, 1.5vw, 0.7rem);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--clr-gold);
  background: rgba(201,168,76,0.12);
  border: 1px solid rgba(201,168,76,0.3);
  padding: 5px 14px;
  border-radius: 50px;
}

/* Logo mark */
.brand-logo {
  position: absolute;
  top: 0;
  left: 50%;
  width: clamp(90px, 20vw, 300px);
  height: auto;
  opacity: 0.95;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.4));
  animation: logoFadeInAbs 1.1s var(--ease-out) both;
  z-index: 2;
  pointer-events: none;
}

@keyframes logoFadeInAbs {
  from { opacity: 0; transform: translate(-50%, 0) scale(0.88); }
  to   { opacity: 0.92; transform: translate(-50%, 0) scale(1); }
}

/* Main Title */

.brand-title {
  font-family: var(--ff-serif);
  font-size: clamp(3rem, 11vw, 8rem);
  font-weight: 900;
  line-height: 0.95;
  color: var(--clr-white);
  letter-spacing: -0.01em;
  text-shadow: 0 4px 40px rgba(0,0,0,0.6);
  margin-top: clamp(80px, 20vw, 240px);
  animation: heroFadeUp 1s var(--ease-out) 0.1s both;
}

.brand-accent {
  color: transparent;
  background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-gold-light) 50%, var(--clr-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Divider */
.title-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  width: min(280px, 70vw);
  animation: heroFadeUp 1s var(--ease-out) 0.2s both;
}

.divider-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--clr-gold), transparent);
  opacity: 0.5;
}

.divider-icon {
  color: var(--clr-gold);
  font-size: 0.55rem;
  opacity: 0.7;
}

/* Subtitle */
.brand-subtitle {
  font-family: var(--ff-sans);
  font-size: clamp(0.75rem, 2.5vw, 1rem);
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-muted);
  animation: heroFadeUp 1s var(--ease-out) 0.3s both;
}

/* CTA Button */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(4px, 1.5vh, 16px);
  padding: clamp(10px, 2vh, 14px) clamp(24px, 5vw, 40px);
  font-family: var(--ff-sans);
  font-size: clamp(0.75rem, 2vw, 0.88rem);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--clr-bg);
  background: linear-gradient(135deg, var(--clr-gold) 0%, var(--clr-gold-light) 100%);
  border-radius: 50px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s;
  box-shadow: 0 4px 24px rgba(201,168,76,0.35);
  animation: heroFadeUp 1s var(--ease-out) 0.4s both;
}

.cta-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.18);
  opacity: 0;
  transition: opacity 0.25s;
}

.cta-button:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 36px rgba(201,168,76,0.5);
}

.cta-button:hover::before {
  opacity: 1;
}

.cta-button:active {
  transform: scale(0.97);
}

/* ---------- Home Footer Bar ---------- */
.home-footer {
  position: relative;
  z-index: 10;
  padding: 0 clamp(16px, 5vw, 48px) clamp(16px, 4vh, 28px);
}

.footer-items {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: 14px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  max-width: 480px;
  margin: 0 auto;
}

.footer-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 14px 10px;
  color: var(--clr-muted);
  text-decoration: none;
  font-size: clamp(0.65rem, 1.8vw, 0.75rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.25s, background 0.25s;
}

.footer-item-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.footer-item:hover {
  color: var(--clr-gold-light);
  background: rgba(201,168,76,0.08);
}

.footer-divider {
  width: 1px;
  height: 36px;
  background: var(--clr-border);
  flex-shrink: 0;
}

/* ---------- Staggered nav link entrance ---------- */
.nav-links li {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.side-nav.open .nav-links li:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.06s; }
.side-nav.open .nav-links li:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.10s; }
.side-nav.open .nav-links li:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.14s; }
.side-nav.open .nav-links li:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.18s; }
.side-nav.open .nav-links li:nth-child(5) { opacity: 1; transform: none; transition-delay: 0.22s; }
.side-nav.open .nav-links li:nth-child(6) { opacity: 1; transform: none; transition-delay: 0.26s; }

/* ---------- Responsive Tweaks ---------- */

/* Small phones (< 375px) */
@media (max-width: 374px) {
  .brand-title {
    font-size: 2.7rem;
  }
  .footer-item {
    font-size: 0.6rem;
    padding: 12px 6px;
  }
}

/* Landscape phones */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    padding-top: 50px;
  }
  .hero-content {
    gap: 6px;
  }
  .brand-title {
    font-size: clamp(2rem, 8vh, 4rem);
  }
  .brand-badge {
    font-size: 0.58rem;
    padding: 3px 10px;
  }
  .brand-subtitle {
    font-size: 0.7rem;
  }
  .cta-button {
    padding: 9px 24px;
    font-size: 0.75rem;
    margin-top: 4px;
  }
  .home-footer {
    padding-bottom: 10px;
  }
  .footer-item {
    padding: 10px 8px;
  }
}

/* Tablets */
@media (min-width: 768px) {
  .bg-image {
    background-position: center 25%;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .bg-image {
    background-position: center 20%;
  }
  .hero {
    justify-content: flex-start;
  }
  .brand-title {
    font-size: clamp(5rem, 9vw, 9rem);
    text-align: left;
  }
}

/* ---------- Focus styles (accessibility) ---------- */
:focus-visible {
  outline: 2px solid var(--clr-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Shopping Cart Styles ---------- */
.global-cart-icon {
  position: fixed;
  top: clamp(14px, 3vw, 22px);
  right: clamp(14px, 3vw, 22px);
  z-index: 1000;
  width: 48px;
  height: 48px;
  background: rgba(10,10,10,0.85);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: background 0.25s, border-color 0.25s, transform 0.2s, box-shadow 0.25s;
  font-size: 1.4rem;
  color: var(--clr-text);
}
.global-cart-icon:hover {
  background: rgba(201,168,76,0.15);
  border-color: var(--clr-gold);
  transform: scale(1.05);
}
.global-cart-icon.has-items {
  border-color: var(--clr-gold);
  color: var(--clr-gold-light);
  box-shadow: 0 0 10px rgba(201,168,76,0.4);
}
.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--clr-gold);
  color: var(--clr-bg);
  font-size: 0.75rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.3s, transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.global-cart-icon.has-items .cart-badge {
  opacity: 1;
  transform: scale(1);
}

.cart-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease-out);
  display: flex;
  justify-content: center;
  align-items: center;
}
.cart-modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.cart-modal-container {
  background: linear-gradient(135deg, var(--clr-surface2), var(--clr-surface));
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  width: 90%;
  max-width: 480px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 40px rgba(0,0,0,0.5);
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
}
.cart-modal-overlay.active .cart-modal-container {
  transform: translateY(0);
  opacity: 1;
}

.cart-modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cart-modal-title {
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  color: var(--clr-gold-light);
  margin: 0;
}
.cart-close-btn {
  background: none;
  border: none;
  color: var(--clr-muted);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}
.cart-close-btn:hover {
  color: var(--clr-white);
}

.cart-modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}
.cart-empty-msg {
  text-align: center;
  color: var(--clr-muted);
  font-style: italic;
  padding: 20px 0;
}

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.cart-item:last-child {
  border-bottom: none;
}
.cart-item-info {
  display: flex;
  flex-direction: column;
}
.cart-item-name {
  color: var(--clr-text);
  font-weight: 500;
  font-size: 1rem;
}
.cart-item-price {
  color: var(--clr-gold);
  font-size: 0.9rem;
}
.cart-item-remove {
  background: rgba(255,50,50,0.1);
  color: #ff6b6b;
  border: 1px solid rgba(255,50,50,0.2);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.cart-item-remove:hover {
  background: #ff6b6b;
  color: #fff;
}

.cart-modal-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--clr-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0,0,0,0.2);
  border-radius: 0 0 16px 16px;
}
.cart-total-label {
  color: var(--clr-muted);
  font-size: 1rem;
}
.cart-total-price {
  color: var(--clr-gold-light);
  font-family: var(--ff-serif);
  font-size: 1.5rem;
  font-weight: 700;
}

/* Services Page Add to Cart Button */
.add-to-cart-btn {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  background: transparent;
  color: var(--clr-gold);
  border: 1px solid var(--clr-gold);
  border-radius: 8px;
  font-family: var(--ff-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}
.add-to-cart-btn:hover {
  background: var(--clr-gold);
  color: var(--clr-bg);
}
.add-to-cart-btn.added {
  background: var(--clr-text);
  color: var(--clr-bg);
  border-color: var(--clr-text);
}

/* ---------- Home Button ---------- */
.home-btn {
  position: fixed;
  top: clamp(14px, 3vw, 22px);
  left: calc(clamp(14px, 3vw, 22px) + 60px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: rgba(10,10,10,0.65);
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  color: var(--clr-text);
  font-size: 1.2rem;
  text-decoration: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.25s, border-color 0.25s, transform 0.2s;
}

.home-btn:hover {
  background: rgba(201,168,76,0.15);
  border-color: var(--clr-gold);
  color: var(--clr-gold);
  transform: scale(1.05);
}

.home-btn:active {
  transform: scale(0.96);
}