/* ═══════════════════════════════════════════════════
   Avilla Food — Premium Gastronomy Stylesheet
   Theme: Elegant dark theme with charcoal background and warm gold/brass accents
   Typography: Montserrat (Headers) & Inter (Body Text)
   ═══════════════════════════════════════════════════ */

/* Fonts import */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

/* Variables */
:root {
  --color-bg-deep:     #0b0908; /* Extra dark charcoal */
  --color-bg-card:     #13100e; /* Card background */
  --color-bg-lighter:  #1d1815; /* Lighter section background */
  
  --color-gold:        #d4af37; /* Primary Gold accent */
  --color-gold-dark:   #aa8412; /* Darker Gold for hover/borders */
  --color-gold-light:  #f3e5ab; /* Soft pale gold */
  
  --color-text-light:  #f4f1ea; /* Near-white body text */
  --color-text-muted:  #a69e97; /* Muted gray-brown text */
  --color-border:      rgba(212, 175, 55, 0.15);
  --color-border-hover: rgba(212, 175, 55, 0.35);
  
  --font-title:        'Montserrat', sans-serif;
  --font-body:         'Inter', sans-serif;
  
  --radius-sm:         6px;
  --radius-md:         12px;
  --radius-lg:         24px;
  
  --transition:        0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-glow:       0 8px 30px rgba(212, 175, 55, 0.08);
  --shadow-glow-large: 0 12px 40px rgba(212, 175, 55, 0.15);
}

/* Base reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-deep);
  color: var(--color-text-light);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

/* Utility Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
}

.section-alt {
  background-color: var(--color-bg-lighter);
}

/* Sections Header */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-label {
  display: inline-block;
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-text-light);
}

.section-title span {
  font-style: italic;
  color: var(--color-gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background-color: var(--color-gold);
  color: #000;
}

.btn-primary:hover {
  background-color: #ffd700;
  box-shadow: 0 0 20px rgba(212, 175, 55, 0.4);
  transform: translateY(-2px);
}

.btn-outline {
  border-color: var(--color-gold);
  color: var(--color-gold);
}

.btn-outline:hover {
  background-color: rgba(212, 175, 55, 0.08);
  border-color: #ffd700;
  color: #ffd700;
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* ══════════════════════════════════════════
   HEADER & NAVBAR
   ══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 80px;
  z-index: 1000;
  background-color: rgba(11, 9, 8, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: var(--transition);
}

.navbar.scrolled {
  height: 70px;
  background-color: rgba(11, 9, 8, 0.98);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-light);
}

.logo span {
  color: var(--color-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-gold);
}

.burger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 1100;
}

.burger span {
  width: 26px;
  height: 2px;
  background-color: var(--color-text-light);
  transition: var(--transition);
}

/* ══════════════════════════════════════════
   HERO SECTION
   ══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 100px;
  overflow: hidden;
  background: radial-gradient(circle at right bottom, #2c1a11 0%, var(--color-bg-deep) 70%);
}

.hero-content {
  max-width: 650px;
  z-index: 10;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(212, 175, 55, 0.08);
  border: 1px solid rgba(212, 175, 55, 0.25);
  padding: 6px 14px;
  border-radius: 50px;
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  margin-bottom: 24px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--color-gold);
  font-style: italic;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 36px;
  max-width: 550px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Decorative visual element on the right */
.hero-visual {
  position: absolute;
  right: -5%;
  top: 10%;
  bottom: 0;
  width: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0.8;
}

.hero-circle-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.1) 0%, transparent 70%);
  filter: blur(50px);
}

.hero-khinkali-sketch {
  width: 100%;
  max-width: 550px;
  height: auto;
  transform: rotate(-10deg);
  opacity: 0.15;
}

/* ══════════════════════════════════════════
   ABOUT & KEY VALUES
   ══════════════════════════════════════════ */
.values-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 20px;
}

.value-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  padding: 40px 30px;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background-color: var(--color-gold);
  transform: scaleY(0);
  transition: transform var(--transition);
}

.value-card:hover {
  transform: translateY(-5px);
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.value-card:hover::before {
  transform: scaleY(1);
}

.value-icon {
  font-size: 2.2rem;
  color: var(--color-gold);
  margin-bottom: 24px;
}

.value-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.value-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Callout Banner */
.callout-banner {
  background: linear-gradient(135deg, #201712 0%, var(--color-bg-card) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px;
  margin-top: 50px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 30px;
  align-items: center;
}

.callout-badge {
  font-size: 3rem;
  background-color: rgba(212, 175, 55, 0.08);
  border: 1px solid var(--color-border);
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.callout-text h3 {
  font-family: var(--font-title);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 8px;
}

.callout-text p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ══════════════════════════════════════════
   MANUFACTURING PROCESS
   ══════════════════════════════════════════ */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.process-step {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.process-step:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow);
}

.process-step-header {
  padding: 30px 30px 15px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.process-number {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 700;
  color: rgba(212, 175, 55, 0.2);
  line-height: 1;
}

.process-step-icon {
  font-size: 1.8rem;
  color: var(--color-gold);
}

.process-step-body {
  padding: 0 30px 30px;
}

.process-step-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text-light);
}

.process-step-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ══════════════════════════════════════════
   CATALOG (PRODUCTS)
   ══════════════════════════════════════════ */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.product-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.product-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-glow-large);
  transform: translateY(-4px);
}

.product-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 16px;
}

.product-title {
  font-family: var(--font-title);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.product-weight {
  font-size: 0.85rem;
  color: var(--color-gold);
  font-weight: 600;
  background-color: rgba(212, 175, 55, 0.08);
  padding: 4px 10px;
  border-radius: 50px;
}

.product-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-grow: 1;
  margin-bottom: 28px;
}

.product-composition {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.product-composition strong {
  color: var(--color-text-light);
  display: block;
  margin-bottom: 4px;
}

.kbju-info {
  display: flex;
  gap: 16px;
  margin-top: 10px;
  background-color: rgba(255, 255, 255, 0.02);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.03);
}

.kbju-item {
  display: flex;
  flex-direction: column;
}

.kbju-val {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.kbju-label {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.product-calories {
  font-size: 0.85rem;
  color: var(--color-gold);
  font-weight: 600;
  margin-top: 6px;
}

.product-footer {
  margin-top: auto;
}

/* ══════════════════════════════════════════
   ORDER FORM (LEADS)
   ══════════════════════════════════════════ */
.order-section {
  position: relative;
  background: radial-gradient(circle at left bottom, #241912 0%, var(--color-bg-deep) 60%);
}

.order-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: center;
}

.order-info h2 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 20px;
}

.order-info h2 span {
  color: var(--color-gold);
}

.order-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.order-contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.order-contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.order-contact-icon {
  font-size: 1.5rem;
  color: var(--color-gold);
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.order-contact-text span {
  display: block;
}

.order-contact-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

.order-contact-val {
  font-size: 1.05rem;
  font-weight: 600;
}

/* Form Styling */
.form-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-glow-large);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.form-group input, .form-group textarea {
  width: 100%;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--color-border);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text-light);
  transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
  border-color: var(--color-gold);
  background-color: rgba(255, 255, 255, 0.05);
}

.form-error {
  display: block;
  font-size: 0.78rem;
  color: #ef4444;
  margin-top: 5px;
  opacity: 0;
  transform: translateY(-5px);
  transition: var(--transition);
  height: 0;
  overflow: hidden;
}

.form-error.show {
  opacity: 1;
  transform: translateY(0);
  height: auto;
  margin-top: 5px;
}

.btn-submit-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.loader {
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top: 3px solid #000;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  display: inline-block;
  vertical-align: middle;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.form-success-alert {
  text-align: center;
  padding: 20px;
}

.success-icon {
  font-size: 3rem;
  color: var(--color-gold);
  margin-bottom: 16px;
}

.success-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.success-desc {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.form-error-global {
  font-size: 0.85rem;
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  text-align: center;
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer {
  background-color: var(--color-bg-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding: 40px 0;
  text-align: center;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.footer-brand {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.footer-brand span {
  color: var(--color-gold);
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

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

.footer-copy {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.15);
  margin-top: 10px;
}

/* Back to Top button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background-color: var(--color-gold);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-3px);
  background-color: #ffd700;
}

/* Animations classes for lazy loading reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════════════════
   RESPONSIVE LAYOUTS
   ══════════════════════════════════════════ */
@media (max-width: 992px) {
  .nav-links {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    width: 280px;
    background-color: var(--color-bg-card);
    border-left: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px 40px;
    gap: 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    z-index: 1000;
  }
  
  .nav-links.mobile-open {
    transform: translateX(0);
  }
  
  .burger {
    display: flex;
  }
  
  .values-grid {
    grid-template-columns: 1fr;
  }
  
  .process-grid {
    grid-template-columns: 1fr;
  }
  
  .catalog-grid {
    grid-template-columns: 1fr;
  }
  
  .order-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .hero-visual {
    display: none;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }
  
  .callout-banner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 30px;
  }
  
  .callout-badge {
    margin: 0 auto;
  }
  
  .form-card {
    padding: 24px;
  }
}