/* =====================================================
   CASCINA BRUNO - Natural Luxury Design System
   ===================================================== */

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

/* ----- CSS Custom Properties (Design Tokens) ----- */
:root {
  /* Colors - Natural Luxury Palette */
  --color-alabaster: #F2F0E9;
  --color-deep-charcoal: #212121;
  --color-muted-olive: #7E8D75;
  --color-warm-sand: #D8CBBD;
  --color-white: #FFFFFF;
  --color-olive-light: #9BA893;
  --color-olive-dark: #5E6B56;

  /* Semantic Colors */
  --color-background: var(--color-alabaster);
  --color-background-alt: var(--color-warm-sand);
  --color-text-primary: var(--color-deep-charcoal);
  --color-text-secondary: #4A4A4A;
  --color-accent: var(--color-muted-olive);
  --color-accent-hover: var(--color-olive-dark);

  /* Typography */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Font Sizes - Fluid Typography */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.4rem + 2.4vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.6rem + 3.25vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 5rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1280px;
  --container-narrow: 900px;
  --border-radius: 8px;
  --border-radius-lg: 16px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(33, 33, 33, 0.05);
  --shadow-md: 0 4px 12px rgba(33, 33, 33, 0.08);
  --shadow-lg: 0 8px 30px rgba(33, 33, 33, 0.12);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

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

a:hover {
  color: var(--color-accent-hover);
}

/* ----- Typography ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.2;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

/* Italic emphasis for keywords in headings */
.text-emphasis {
  font-style: italic;
  font-weight: 400;
}

p {
  margin-bottom: var(--space-md);
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

/* ----- Layout Utilities ----- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.section--white {
  background-color: var(--color-white);
}

/* Flexbox Utilities */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-5 {
  grid-template-columns: repeat(5, 1fr);
}

@media (max-width: 1024px) {
  .grid-5 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-5,
  .grid-4,
  .grid-3,
  .grid-2 { grid-template-columns: 1fr; }
}

/* ----- Components ----- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 2px solid transparent;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-base);
}

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

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

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

.btn--white:hover {
  background-color: var(--color-alabaster);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Cards */
.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__image {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.card__content {
  padding: var(--space-lg);
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.card__text {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

/* ----- Header & Navigation ----- */
/* ----- Promo Banner ----- */
.promo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background-color: var(--color-muted-olive);
  color: var(--color-white);
  text-align: center;
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  font-weight: 500;
}

.promo-banner a {
  color: var(--color-white);
  text-decoration: underline;
}

.header {
  position: fixed;
  top: 40px;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(242, 240, 233, 0.95);
  backdrop-filter: blur(10px);
  transition: all var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--container-max);
  margin: 0 auto;
}

.logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.logo span {
  font-style: italic;
  font-weight: 400;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
  position: relative;
  padding: var(--space-xs) 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

.nav__link:hover {
  color: var(--color-accent);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-background);
    flex-direction: column;
    padding: var(--space-xl);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* ----- Hero Section ----- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero__background {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero__background img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(242, 240, 233, 0.92) 0%,
    rgba(242, 240, 233, 0.7) 50%,
    rgba(242, 240, 233, 0.4) 100%
  );
}

.hero__content {
  position: relative;
  max-width: 700px;
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--text-5xl);
  margin-bottom: var(--space-lg);
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  max-width: 550px;
}

.hero__buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ----- About Section ----- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__image {
  position: relative;
}

.about__image img {
  border-radius: var(--border-radius-lg);
}

.about__image::before {
  content: '';
  position: absolute;
  top: var(--space-lg);
  left: var(--space-lg);
  right: calc(var(--space-lg) * -1);
  bottom: calc(var(--space-lg) * -1);
  border: 2px solid var(--color-accent);
  border-radius: var(--border-radius-lg);
  z-index: -1;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--color-warm-sand);
}

.stat__number {
  font-family: var(--font-serif);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-accent);
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

@media (max-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .about__image::before {
    display: none;
  }
}

/* ----- Products Section ----- */
.products__header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto var(--space-3xl);
}

.product-card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.product-card__image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius);
}

.product-card__content {
  padding: var(--space-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-card__buttons {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-top: auto;
}

.product-card__buttons .btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
}

.product-card__content .btn {
  margin-top: auto;
}

.product-card__category {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.product-card__title {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.product-card__specs {
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.product-card__specs strong {
  color: var(--color-text-primary);
}

.product-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
}

/* ----- Testimonials Section ----- */
.testimonials {
  background-color: var(--color-muted-olive);
  color: var(--color-white);
}

.testimonials h2 {
  color: var(--color-white);
  text-align: center;
}

.testimonial {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.testimonial__quote {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: var(--space-xl);
}

.testimonial__author {
  font-weight: 600;
}

.testimonial__role {
  font-size: var(--text-sm);
  opacity: 0.8;
}

/* ----- Contact Section ----- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact__info h3 {
  margin-bottom: var(--space-lg);
}

.contact__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.contact__value {
  font-weight: 500;
}

/* Contact Form */
.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: var(--space-md);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  border: 1px solid var(--color-warm-sand);
  border-radius: var(--border-radius);
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

@media (max-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

/* ----- Footer ----- */
.footer {
  background-color: var(--color-deep-charcoal);
  color: var(--color-alabaster);
  padding: var(--space-4xl) 0 var(--space-xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  font-family: var(--font-serif);
  font-size: var(--text-2xl);
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.footer__description {
  font-size: var(--text-sm);
  opacity: 0.8;
  line-height: 1.8;
}

.footer__heading {
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--space-sm);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-alabaster);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer__links a:hover {
  opacity: 1;
  color: var(--color-white);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.footer__social a {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background-color: var(--color-accent);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copyright {
  font-size: var(--text-sm);
  opacity: 0.6;
}

.footer__legal {
  display: flex;
  gap: var(--space-lg);
}

.footer__legal a {
  font-size: var(--text-sm);
  color: var(--color-alabaster);
  opacity: 0.6;
}

.footer__legal a:hover {
  opacity: 1;
}

@media (max-width: 768px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ----- Utilities ----- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----- Animations ----- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease forwards;
}

.animate-slide-up {
  animation: slideUp var(--transition-slow) ease forwards;
}

/* Scroll-triggered animations */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----- Features Section ----- */
.feature {
  padding: var(--space-xl);
}

.feature__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  background-color: var(--color-background-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  transition: all var(--transition-base);
}

.feature:hover .feature__icon {
  background-color: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.1);
}

.feature h4 {
  font-family: var(--font-serif);
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

.feature p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ----- Form Enhancements ----- */
.form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  cursor: pointer;
}

.form__checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.form__error {
  display: block;
  color: #c53030;
  font-size: var(--text-xs);
  margin-top: var(--space-xs);
}

.form__input--error,
.form__textarea--error {
  border-color: #c53030;
}

.form__success {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: #c6f6d5;
  color: #276749;
  border-radius: var(--border-radius);
  margin-bottom: var(--space-lg);
  animation: fadeIn var(--transition-base) ease;
}

.form__success svg {
  flex-shrink: 0;
  color: #38a169;
}

/* ----- Text Utilities ----- */
.text-sm {
  font-size: var(--text-sm);
}

/* ----- Loading State ----- */
body:not(.is-loaded) [data-animate] {
  opacity: 0;
}

/* ----- Print Styles ----- */
@media print {
  .header,
  .footer__social,
  .btn,
  .menu-toggle {
    display: none;
  }

  .hero {
    min-height: auto;
    padding: var(--space-xl) 0;
  }

  .section {
    padding: var(--space-xl) 0;
  }
}