/* ========================================
   CSS VARIABLES
   ======================================== */
:root {
  /* Colors */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-beige: #f5f1ed;
  --color-grey-dark: #333333;
  --color-grey-medium: #666666;
  --color-grey-light: #cccccc;
  --color-accent: #2c2c2c;

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --spacing-xxl: 8rem;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.4s ease;
  --transition-slow: 0.6s ease;

  /* Layout */
  --container-max-width: 1200px;
  --header-height: 80px;
}

/* ========================================
   RESET & BASE
   ======================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-grey-dark);
  background-color: var(--color-beige);
  overflow-x: hidden;
}

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

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul {
  list-style: none;
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   HEADER
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(245, 241, 237, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: background-color var(--transition-medium);
  padding-top: var(--spacing-sm);
}

.header.scrolled {
  background-color: rgba(245, 241, 237, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
}

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

.logo-img {
  height: 50px;
  width: auto;
  display: block;
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.logo svg {
  height: 50px;
  width: auto;
  fill: var(--color-black);
}

.nav {
  display: flex;
  gap: var(--spacing-md);
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-grey-medium);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-black);
  transition: width var(--transition-medium);
}

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

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

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  height: 24px;
}

.menu-toggle span {
  width: 100%;
  height: 2px;
  background-color: var(--color-black);
  transition: all var(--transition-fast);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  min-height: 100vh;
  padding-top: var(--header-height);
  display: flex;
  align-items: center;
  position: relative;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  padding: var(--spacing-lg) 0;
}

.hero-text {
  animation: fadeInUp 1s ease;
}

.origin-badge {
  display: inline-block;
  margin-bottom: var(--spacing-sm);
}

.origin-badge span {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-grey-medium);
  padding: var(--spacing-xs) var(--spacing-sm);
  border: 1px solid var(--color-grey-light);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 300;
  line-height: 1.2;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-grey-medium);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition-medium);
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-grey-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-black);
  border-color: var(--color-black);
}

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

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeIn 1.2s ease;
}

.bottle-image {
  max-height: 600px;
  width: auto;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
  animation: float 6s ease-in-out infinite;
}

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-grey-medium);
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-grey-medium), transparent);
  animation: scrollAnim 2s ease-in-out infinite;
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-grey-medium);
  margin-bottom: var(--spacing-sm);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--color-black);
  letter-spacing: -1px;
}

/* ========================================
   BRAND SECTION
   ======================================== */
.section-brand {
  background-color: var(--color-white);
}

.brand-content {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--spacing-xl);
}

.brand-text {
  max-width: 600px;
}

.lead {
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
  font-weight: 300;
}

.brand-text p {
  margin-bottom: var(--spacing-md);
  color: var(--color-grey-medium);
}

.brand-values {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.value-item h3 {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: var(--spacing-xs);
  letter-spacing: 0.5px;
}

.value-item p {
  font-size: 0.938rem;
  color: var(--color-grey-medium);
  line-height: 1.6;
}

/* ========================================
   PRODUCT SECTION
   ======================================== */
.product-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.product-main h3 {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
}

.product-main p {
  margin-bottom: var(--spacing-md);
  color: var(--color-grey-medium);
}

.product-specs {
  background-color: var(--color-white);
  padding: var(--spacing-lg);
}

.product-specs h4 {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
  letter-spacing: 0.5px;
}

.specs-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.specs-list li {
  display: flex;
  justify-content: space-between;
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--color-grey-light);
}

.spec-label {
  font-size: 0.875rem;
  color: var(--color-grey-medium);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.spec-value {
  font-size: 0.938rem;
  color: var(--color-black);
  font-weight: 400;
}

.product-distinction {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
  background-color: var(--color-white);
  border-left: 2px solid var(--color-black);
}

.product-distinction h3 {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-black);
  margin-bottom: var(--spacing-md);
}

.product-distinction p {
  margin-bottom: var(--spacing-md);
  color: var(--color-grey-medium);
}

/* ========================================
   CONTACT SECTION
   ======================================== */
.section-contact {
  background-color: var(--color-white);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--spacing-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.contact-text {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--color-grey-medium);
  margin-bottom: var(--spacing-lg);
}

.contact-email {
  font-size: 1.5rem;
  color: var(--color-black);
  font-weight: 300;
  transition: color var(--transition-fast);
}

.contact-email:hover {
  color: var(--color-grey-medium);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-black);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  padding: var(--spacing-sm);
  font-family: var(--font-primary);
  font-size: 1rem;
  color: var(--color-black);
  background-color: var(--color-beige);
  border: 1px solid var(--color-grey-light);
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-black);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-error {
  font-size: 0.813rem;
  color: #d32f2f;
  display: none;
}

.form-error.show {
  display: block;
}

.form-success {
  padding: var(--spacing-md);
  background-color: #e8f5e9;
  color: #2e7d32;
  font-size: 0.938rem;
  display: none;
}

.form-success.show {
  display: block;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background-color: var(--color-black);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
  text-align: center;
}

.footer-logo img,
.footer-logo svg {
  height: 80px;
  width: auto;
  margin: 0 auto var(--spacing-md);
  display: block;
  filter: invert(1) brightness(2);
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.footer-logo svg {
  fill: var(--color-white);
  filter: none;
}

.footer-origin {
  font-size: 0.813rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-grey-light);
  margin-bottom: var(--spacing-sm);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--color-grey-medium);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

@keyframes scrollAnim {
  0% {
    transform: scaleY(0);
    transform-origin: top;
  }
  50% {
    transform: scaleY(1);
    transform-origin: top;
  }
  51% {
    transform: scaleY(1);
    transform-origin: bottom;
  }
  100% {
    transform: scaleY(0);
    transform-origin: bottom;
  }
}

/* ========================================
   RESPONSIVE - TABLET
   ======================================== */
@media (max-width: 1024px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
  }

  .hero-title {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .hero-content {
    gap: var(--spacing-md);
  }

  .brand-content,
  .product-grid,
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }

  .bottle-image {
    max-height: 500px;
  }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */
@media (max-width: 768px) {
  :root {
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    --header-height: 70px;
  }

  .header {
    padding-top: var(--spacing-xs);
  }

  .header-content {
    padding: 0 var(--spacing-sm);
  }

  .logo-img,
  .logo svg {
    height: 35px;
  }

  .nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--color-beige);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    overflow: hidden;
    transition: height var(--transition-medium);
  }

  .nav.active {
    height: calc(100vh - var(--header-height));
  }

  .nav-link {
    font-size: 1.125rem;
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity var(--transition-medium), transform var(--transition-medium);
  }

  .nav.active .nav-link {
    opacity: 1;
    transform: translateY(0);
  }

  .nav.active .nav-link:nth-child(1) {
    transition-delay: 0.1s;
  }
  .nav.active .nav-link:nth-child(2) {
    transition-delay: 0.2s;
  }
  .nav.active .nav-link:nth-child(3) {
    transition-delay: 0.3s;
  }
  .nav.active .nav-link:nth-child(4) {
    transition-delay: 0.4s;
  }

  .menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
  }

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

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
  }

  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    order: 2;
  }

  .hero-image {
    order: 1;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-cta {
    flex-direction: column;
    max-width: 300px;
    margin: 0 auto;
  }

  .bottle-image {
    max-height: 400px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .lead {
    font-size: 1.125rem;
  }

  .product-specs {
    padding: var(--spacing-md);
  }

  .specs-list li {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .product-distinction {
    padding: var(--spacing-md);
  }

  .contact-email {
    font-size: 1.125rem;
  }

  .scroll-indicator {
    display: none;
  }
}

/* ========================================
   RESPONSIVE - SMALL MOBILE
   ======================================== */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.813rem;
  }

  .bottle-image {
    max-height: 350px;
  }
}