:root {
  --color-background: #F6F4F2;
  --color-accent: #A67B5B;
  --color-text: #3B2C20;
  --color-secondary: #D8C3B0;
  --color-white: #FFFFFF;
  --color-error: #B00020;
  --color-success: #4CAF50;
  
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-heading: 'Playfair Display', serif;
  
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  --border-radius: 0;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  
  --grid-gap-sm: 1rem;
  --grid-gap-md: 1.5rem;
  --grid-gap-lg: 2rem;
  
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  min-width: 320px;
  position: relative;
}

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

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.5rem;
}

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

ul:where(:not([class])),
ol:where(:not([class])) {
  margin-left: 1.25rem;
  margin-bottom: 1.6rem;
}

@media (min-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.75rem;
  }
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  width: 100%;
}

/* Button */
.button {
  background-color: var(--color-accent);
  border: none;
  color: var(--color-white);
  cursor: pointer;
  display: inline-block;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  padding: var(--spacing-sm) var(--spacing-lg);
  text-align: center;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.button:hover, .button:focus {
  background-color: var(--color-text);
  color: var(--color-white);
}

.button--secondary {
  background-color: var(--color-secondary);
  color: var(--color-text);
}

.button--secondary:hover, .button--secondary:focus {
  background-color: var(--color-accent);
}

/* Header */
.header {
  background-color: var(--color-background);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header__container {
  align-items: center;
  display: flex;
  gap: var(--spacing-md);
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.header__logo-image {
  height: 2.5rem;
  width: auto;
  margin-right: var(--spacing-sm);
}

.header__logo-text {
  color: var(--color-text);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  word-wrap: anywhere;
}

/* Navigation */
.nav {
  display: none;
}

.nav__list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item {
  margin-left: var(--spacing-lg);
}

.nav__link {
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 500;
  position: relative;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

/* Mobile navigation */
.mobile-nav-toggle {
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  height: 2rem;
  padding: 0;
  position: relative;
  width: 2rem;
  z-index: 200;
}

.mobile-nav-toggle__icon {
  color: var(--color-text);
}

.mobile-nav {
  background-color: var(--color-background);
  display: flex;
  flex-direction: column;
  height: 100vh;
  left: 0;
  opacity: 0;
  padding: calc(var(--spacing-xl) + 80px) var(--spacing-xl) var(--spacing-xl);
  position: fixed;
  top: 0;
  transform: translateX(-100%);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
  width: 100%;
  z-index: 100;
}

.mobile-nav--active {
  opacity: 1;
  transform: translateX(0);
}

.mobile-nav__list {
  list-style: none;
  margin: var(--spacing-xl) 0;
  padding: 0;
}

.mobile-nav__item {
  margin-bottom: var(--spacing-lg);
}

.mobile-nav__link {
  color: var(--color-text);
  display: block;
  font-size: 1.25rem;
  font-weight: 500;
  text-decoration: none;
}

.mobile-nav__link:hover, .mobile-nav__link:focus, .mobile-nav__link--active {
  color: var(--color-accent);
}

@media (min-width: 992px) {
  .nav {
    display: block;
  }
  
  .mobile-nav-toggle {
    display: none;
  }
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: var(--spacing-xxl);
  overflow: hidden;
}

.hero__content {
  padding: var(--spacing-xl);
}

.hero__title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

.hero__subtitle {
  color: var(--color-accent);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
}

.hero__text {
  margin-bottom: var(--spacing-lg);
}

.hero__image {
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 60vh;
}

.hero__image--main {
  background-image: url('images/img01.webp');
}

@media (min-width: 992px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    min-height: 800px;
  }
  
  .hero__content {
    align-items: start;
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: center;
    padding: var(--spacing-xxl);
  }
  
  .hero__title {
    font-size: 3rem;
  }
  
  .hero__image {
    height: auto;
  }
}

/* Section */
.section {
  padding: var(--spacing-xl) 0;
}

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

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

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

.section--accent .button {
  background-color: rgba(255, 255, 255, 0.2);
}

.section--accent .button:hover {
  background-color: var(--color-text);
}

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

.section__title {
  margin-bottom: var(--spacing-sm);
}

.section__subtitle {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 500;
}

.section--dark .section__subtitle,
.section--accent .section__subtitle {
  color: var(--color-secondary);
}

/* Grid */
.grid {
  display: grid;
  gap: var(--grid-gap-md);
  grid-template-columns: 1fr;
}

.grid--2 {
  grid-template-columns: 1fr;
}

.grid--3 {
  grid-template-columns: 1fr;
}

.grid--4 {
  grid-template-columns: 1fr;
}

@media (min-width: 576px) {
  .grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .grid--3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .grid--4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Mobile optimizations for new sections */
@media (max-width: 767px) {
  .about__story h3,
  .about__values h3 {
    font-size: 1.25rem;
  }
  
  .reviews__rating {
    font-size: 1.1rem;
  }
  
  .reviews__author {
    font-size: 0.85rem;
  }
}

/* Card */
.card {
  background-color: var(--color-white);
  height: 100%;
  overflow: hidden;
}

.card__image {
  height: 0;
  padding-bottom: 66.67%; /* 3:2 aspect ratio */
  position: relative;
  width: 100%;
}

.card__image img {
  height: 100%;
  left: 0;
  object-fit: cover;
  position: absolute;
  top: 0;
  width: 100%;
}

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

.card__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.card__text {
  margin-bottom: 0;
}

/* Features */
.features__item {
  align-items: flex-start;
  display: flex;
  margin-bottom: var(--spacing-lg);
}

.features__icon {
  color: var(--color-white);
  flex-shrink: 0;
  height: 1.5rem;
  margin-right: var(--spacing-sm);
  width: 1.5rem;
}

.features__content {
  flex-grow: 1;
}

.features__title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xs);
}

/* Form */
.form {
  background-color: var(--color-white);
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

.form__group {
  margin-bottom: var(--spacing-md);
}

.form__label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.form__input,
.form__textarea {
  background-color: var(--color-background);
  border: 1px solid var(--color-secondary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  padding: var(--spacing-sm);
  width: 100%;
}

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

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

.form__input--error,
.form__textarea--error {
  border-color: var(--color-error);
}

.form__error-message {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.form__checkbox-group {
  align-items: flex-start;
  display: flex;
  margin-bottom: var(--spacing-md);
}

.form__checkbox {
  margin-right: var(--spacing-sm);
  margin-top: 0.25rem;
}

.form__submit {
  margin-top: var(--spacing-lg);
}

/* Footer */
.footer {
  background-color: var(--color-text);
  color: var(--color-white);
  padding: var(--spacing-xl) 0;
}

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

.footer__logo {
  align-items: center;
  display: flex;
  margin-bottom: var(--spacing-md);
}

.footer__logo-image {
  height: 2rem;
  margin-right: var(--spacing-sm);
  width: auto;
}

.footer__logo-text {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1;
  word-wrap: anywhere;
}

.footer__heading {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: var(--spacing-md);
}

.footer__text {
  color: var(--color-secondary);
  margin-bottom: var(--spacing-md);
}

.footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__item {
  margin-bottom: var(--spacing-sm);
}

.footer__link {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__contact-item {
  align-items: flex-start;
  color: var(--color-secondary);
  display: flex;
  margin-bottom: var(--spacing-sm);
}

.footer__contact-icon {
  flex-shrink: 0;
  height: 1rem;
  margin-right: var(--spacing-sm);
  margin-top: 0.25rem;
  width: 1rem;
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  padding-top: var(--spacing-lg);
}

.footer__copyright {
  color: var(--color-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.footer__policy-links {
  display: flex;
  flex-wrap: wrap;
}

.footer__policy-link {
  color: var(--color-secondary);
  font-size: 0.875rem;
  margin-right: var(--spacing-md);
  text-decoration: none;
}

.footer__policy-link:hover {
  color: var(--color-white);
}

@media (min-width: 768px) {
  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 992px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
  
  .footer__copyright {
    margin-bottom: 0;
  }
}

/* Cookie consent */
.cookie-consent {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  bottom: var(--spacing-md);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  display: none;
  left: var(--spacing-md);
  max-width: 400px;
  padding: var(--spacing-lg);
  position: fixed;
  right: var(--spacing-md);
  z-index: 1000;
}

.cookie-consent__title {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-sm);
}

.cookie-consent__text {
  font-size: 0.875rem;
  margin-bottom: var(--spacing-md);
}

.cookie-consent__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* Cookie settings modal */
.cookie-settings {
  background-color: rgba(0, 0, 0, 0.5);
  display: none;
  height: 100%;
  left: 0;
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1010;
}

.cookie-settings__content {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  left: 50%;
  max-height: 90vh;
  max-width: 600px;
  overflow-y: auto;
  padding: var(--spacing-xl);
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
}

.cookie-settings__header {
  margin-bottom: var(--spacing-lg);
}

.cookie-settings__title {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.cookie-settings__category {
  border-bottom: 1px solid var(--color-secondary);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
}

.cookie-settings__category-header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.cookie-settings__category-title {
  font-size: 1.1rem;
  margin-bottom: 0;
}

.cookie-settings__category-description {
  font-size: 0.875rem;
}

.cookie-settings__buttons {
  display: flex;
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}

.cookie-settings__button {
  margin-left: var(--spacing-sm);
}

/* Back to top button */
.back-to-top {
  background-color: var(--color-accent);
  border-radius: 50%;
  bottom: var(--spacing-lg);
  color: var(--color-white) !important;
  display: none;
  height: 3rem;
  position: fixed;
  right: var(--spacing-lg);
  text-align: center;
  text-decoration: none;
  width: 3rem;
  z-index: 99;
}

.back-to-top__icon {
  display: block;
  height: 1.5rem;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 1.5rem;
}

/* Portfolio */
.portfolio__filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.portfolio__filter-button {
  background-color: transparent;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0 var(--spacing-xs) var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-transform: uppercase;
  transition: color var(--transition-fast);
}

.portfolio__filter-button:hover,
.portfolio__filter-button--active {
  color: var(--color-accent);
}

.portfolio__item {
  margin-bottom: var(--spacing-lg);
  transition: opacity var(--transition-normal), transform var(--transition-normal);
  opacity: 1;
  transform: translateY(0);
}

.portfolio__image {
  height: 0;
  padding-bottom: 66.67%; /* 3:2 aspect ratio */
  position: relative;
  width: 100%;
}

.portfolio__image img {
  height: 100%;
  left: 0;
  object-fit: cover;
  position: absolute;
  top: 0;
  width: 100%;
}

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

.portfolio__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.portfolio__category {
  color: var(--color-accent);
  font-size: 0.875rem;
  margin-bottom: var(--spacing-sm);
  text-transform: uppercase;
}

.portfolio__description {
  margin-bottom: 0;
}

/* Materials */
.materials__item {
  background-color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
}

.materials__image {
  height: 0;
  padding-bottom: 66.67%; /* 3:2 aspect ratio */
  position: relative;
  width: 100%;
}

.materials__image img {
  height: 100%;
  left: 0;
  object-fit: cover;
  position: absolute;
  top: 0;
  width: 100%;
}

.materials__content {
  padding: var(--spacing-lg);
}

.materials__title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.materials__description {
  margin-bottom: 0;
}

/* About Us Section */
.about__story {
  margin-bottom: var(--spacing-lg);
}

.about__story h3 {
  color: var(--color-accent);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

.about__values h3 {
  color: var(--color-accent);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-md);
}

/* Reviews */
.reviews__rating {
  color: #ffc107;
  font-size: 1.2rem;
  margin-bottom: var(--spacing-sm);
  display: block;
}

.reviews__author {
  font-weight: 600;
  color: var(--color-accent);
  margin-top: var(--spacing-sm);
  font-size: 0.9rem;
}

.reviews__card {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.reviews__card .card__content {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.reviews__card .card__text:last-of-type {
  margin-top: auto;
}

/* Utility classes */
.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mt-4 {
  margin-top: var(--spacing-xl);
}

.mb-4 {
  margin-bottom: var(--spacing-xl);
}

.mt-5 {
  margin-top: var(--spacing-xxl);
}

.mb-5 {
  margin-bottom: var(--spacing-xxl);
}

.contact__info svg {
  stroke: var(--color-accent);
}

.thankyou {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: calc(100vh - 385px);
}