/* Design DNA: Bursa Ipek | split hero | soft-blush header | strip-top cookie */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Nunito:wght@300;400;500;600;700&display=swap');

:root {
  --bi-mulberry: #5C1A3A;
  --bi-blush: #F5E6EB;
  --bi-ivory: #FFFCFA;
  --bi-gold: #B8956C;
  --bi-mulberry-dark: #3D1127;
  --bi-text: #2A1A22;
  --bi-text-light: #5A4A52;
  --bi-white: #FFFFFF;
  --bi-shadow: rgba(92, 26, 58, 0.08);
  --bi-shadow-md: rgba(92, 26, 58, 0.14);
  --bi-radius: 4px;
  --bi-radius-lg: 8px;
  --bi-transition: 0.3s ease;
  --bi-max-width: 1200px;
  --bi-header-height: 80px;
  --bi-font-serif: 'Cormorant Garamond', Georgia, serif;
  --bi-font-sans: 'Nunito', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--bi-font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--bi-text);
  background-color: var(--bi-ivory);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
  color: var(--bi-gold);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--bi-font-serif);
  font-weight: 600;
  line-height: 1.25;
  color: var(--bi-mulberry);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }

p { margin-bottom: 1rem; }

ul, ol { padding-left: 1.4rem; margin-bottom: 1rem; }

/* Cookie Strip Top */
.bi-cookie {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--bi-mulberry);
  color: var(--bi-ivory);
  padding: 0.55rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 0.82rem;
  line-height: 1.4;
  transform: translateY(-100%);
  transition: transform 0.4s ease;
}

.bi-cookie.bi-cookie--visible {
  transform: translateY(0);
}

.bi-cookie p {
  margin: 0;
  text-align: center;
}

.bi-cookie a {
  color: var(--bi-gold);
  text-decoration: underline;
}

.bi-cookie__btn {
  background: var(--bi-gold);
  color: var(--bi-ivory);
  border: none;
  padding: 0.35rem 1rem;
  font-family: var(--bi-font-sans);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  border-radius: var(--bi-radius);
  white-space: nowrap;
  transition: background var(--bi-transition);
}

.bi-cookie__btn:hover {
  background: var(--bi-ivory);
  color: var(--bi-mulberry);
}

body.bi-cookie-active {
  padding-top: 42px;
}

/* Header */
.bi-header {
  position: sticky;
  top: 0;
  z-index: 9000;
  background: linear-gradient(180deg, var(--bi-blush) 0%, var(--bi-white) 100%);
  border-bottom: 1px solid rgba(92, 26, 58, 0.06);
  box-shadow: 0 2px 20px var(--bi-shadow);
}

body.bi-cookie-active .bi-header {
  top: 42px;
}

.bi-header__inner {
  max-width: var(--bi-max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: var(--bi-header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.bi-logo {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bi-logo__name {
  font-family: var(--bi-font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--bi-mulberry);
  letter-spacing: 0.02em;
}

.bi-logo__tag {
  font-size: 0.68rem;
  color: var(--bi-gold);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.bi-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.bi-nav__list {
  display: flex;
  list-style: none;
  gap: 1.8rem;
  padding: 0;
  margin: 0;
}

.bi-nav__link {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--bi-text);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  position: relative;
}

.bi-nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--bi-gold);
  transition: width var(--bi-transition);
}

.bi-nav__link:hover,
.bi-nav__link.bi-nav__link--active {
  color: var(--bi-mulberry);
}

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

/* Burger */
.bi-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.bi-burger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--bi-mulberry);
  transition: transform var(--bi-transition), opacity var(--bi-transition);
}

.bi-burger.bi-burger--open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.bi-burger.bi-burger--open span:nth-child(2) {
  opacity: 0;
}

.bi-burger.bi-burger--open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Buttons */
.bi-btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--bi-font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: var(--bi-radius);
  cursor: pointer;
  transition: all var(--bi-transition);
  text-align: center;
}

.bi-btn--primary {
  background: var(--bi-mulberry);
  color: var(--bi-ivory);
  border-color: var(--bi-mulberry);
}

.bi-btn--primary:hover {
  background: var(--bi-mulberry-dark);
  border-color: var(--bi-mulberry-dark);
  color: var(--bi-ivory);
}

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

.bi-btn--outline:hover {
  background: var(--bi-mulberry);
  color: var(--bi-ivory);
}

.bi-btn--gold {
  background: var(--bi-gold);
  color: var(--bi-ivory);
  border-color: var(--bi-gold);
}

.bi-btn--gold:hover {
  background: var(--bi-mulberry);
  border-color: var(--bi-mulberry);
  color: var(--bi-ivory);
}

/* Split Hero */
.bi-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--bi-header-height));
  max-height: 780px;
}

.bi-hero__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3rem 4rem 4rem;
  background: var(--bi-ivory);
}

.bi-hero__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bi-gold);
  margin-bottom: 1rem;
}

.bi-hero__title {
  margin-bottom: 1.2rem;
}

.bi-hero__text {
  font-size: 1.05rem;
  color: var(--bi-text-light);
  max-width: 440px;
  margin-bottom: 2rem;
}

.bi-hero__actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.bi-hero__image {
  position: relative;
  overflow: hidden;
}

.bi-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Page Hero (inner pages) */
.bi-page-hero {
  background: linear-gradient(135deg, var(--bi-blush) 0%, var(--bi-ivory) 60%);
  padding: 4rem 2rem;
  text-align: center;
  border-bottom: 1px solid rgba(92, 26, 58, 0.06);
}

.bi-page-hero__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bi-gold);
  margin-bottom: 0.8rem;
}

.bi-page-hero h1 {
  margin-bottom: 0.8rem;
}

.bi-page-hero p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--bi-text-light);
}

/* Sections */
.bi-section {
  padding: 5rem 2rem;
}

.bi-section--blush {
  background: var(--bi-blush);
}

.bi-section--ivory {
  background: var(--bi-ivory);
}

.bi-container {
  max-width: var(--bi-max-width);
  margin: 0 auto;
}

.bi-section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 3.5rem;
}

.bi-section__header p {
  color: var(--bi-text-light);
  margin-top: 0.8rem;
}

/* Grid layouts */
.bi-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.bi-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.bi-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* Cards */
.bi-card {
  background: var(--bi-white);
  border-radius: var(--bi-radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 24px var(--bi-shadow);
  transition: transform var(--bi-transition), box-shadow var(--bi-transition);
}

.bi-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--bi-shadow-md);
}

.bi-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.bi-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.bi-card__body {
  padding: 1.5rem;
}

.bi-card__body h3 {
  margin-bottom: 0.5rem;
}

.bi-card__body p {
  font-size: 0.92rem;
  color: var(--bi-text-light);
  margin-bottom: 0;
}

.bi-card__price {
  font-family: var(--bi-font-serif);
  font-size: 1.2rem;
  color: var(--bi-gold);
  font-weight: 600;
  margin-top: 0.8rem;
}

/* Feature blocks */
.bi-feature {
  text-align: center;
  padding: 2rem 1.5rem;
}

.bi-feature__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.2rem;
  background: var(--bi-blush);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.bi-feature h3 {
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
}

.bi-feature p {
  font-size: 0.9rem;
  color: var(--bi-text-light);
  margin-bottom: 0;
}

/* Image with text */
.bi-image-text__img {
  border-radius: var(--bi-radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px var(--bi-shadow-md);
}

.bi-image-text__content h2 {
  margin-bottom: 1rem;
}

.bi-image-text__content p {
  color: var(--bi-text-light);
}

/* CTA Banner */
.bi-cta {
  background: var(--bi-mulberry);
  color: var(--bi-ivory);
  padding: 4rem 2rem;
  text-align: center;
}

.bi-cta h2 {
  color: var(--bi-ivory);
  margin-bottom: 1rem;
}

.bi-cta p {
  max-width: 520px;
  margin: 0 auto 2rem;
  opacity: 0.9;
}

/* Contact Form */
.bi-form {
  max-width: 640px;
  margin: 0 auto;
}

.bi-form__group {
  margin-bottom: 1.4rem;
}

.bi-form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--bi-mulberry);
  margin-bottom: 0.4rem;
}

.bi-form__input,
.bi-form__textarea,
.bi-form__select {
  width: 100%;
  padding: 0.85rem 1rem;
  font-family: var(--bi-font-sans);
  font-size: 0.95rem;
  border: 1px solid rgba(92, 26, 58, 0.15);
  border-radius: var(--bi-radius);
  background: var(--bi-white);
  color: var(--bi-text);
  transition: border-color var(--bi-transition);
}

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

.bi-form__textarea {
  min-height: 140px;
  resize: vertical;
}

.bi-form__checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--bi-text-light);
}

.bi-form__checkbox input {
  margin-top: 0.3rem;
}

/* Contact Info */
.bi-contact-info {
  background: var(--bi-blush);
  padding: 2.5rem;
  border-radius: var(--bi-radius-lg);
}

.bi-contact-info h3 {
  margin-bottom: 1.5rem;
}

.bi-contact-info__item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.2rem;
  font-size: 0.95rem;
}

.bi-contact-info__item strong {
  color: var(--bi-mulberry);
  min-width: 80px;
}

/* Privacy content */
.bi-legal {
  max-width: 760px;
  margin: 0 auto;
}

.bi-legal h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
}

.bi-legal h3 {
  font-size: 1.15rem;
  margin: 1.8rem 0 0.8rem;
}

.bi-legal p,
.bi-legal li {
  color: var(--bi-text-light);
  font-size: 0.95rem;
}

.bi-legal ul {
  margin-bottom: 1.2rem;
}

/* Atelier timeline */
.bi-timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--bi-gold);
}

.bi-timeline__item {
  margin-bottom: 2.5rem;
  position: relative;
}

.bi-timeline__item::before {
  content: '';
  position: absolute;
  left: -2.45rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  background: var(--bi-gold);
  border-radius: 50%;
  border: 2px solid var(--bi-ivory);
}

.bi-timeline__item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}

.bi-timeline__item p {
  font-size: 0.92rem;
  color: var(--bi-text-light);
  margin-bottom: 0;
}

/* Footer */
.bi-footer {
  background: var(--bi-mulberry);
  color: var(--bi-ivory);
  padding: 4rem 2rem 2rem;
}

.bi-footer a {
  color: var(--bi-blush);
}

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

.bi-footer__grid {
  max-width: var(--bi-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.bi-footer__col h4 {
  font-family: var(--bi-font-serif);
  font-size: 1.1rem;
  color: var(--bi-gold);
  margin-bottom: 1.2rem;
  font-weight: 600;
}

.bi-footer__col p,
.bi-footer__col li {
  font-size: 0.88rem;
  line-height: 1.8;
  opacity: 0.88;
}

.bi-footer__col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.bi-footer__col li {
  margin-bottom: 0.4rem;
}

.bi-footer__brand {
  font-family: var(--bi-font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--bi-ivory);
  margin-bottom: 0.8rem;
}

.bi-footer__bottom {
  max-width: var(--bi-max-width);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 252, 250, 0.12);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  opacity: 0.7;
}

/* Responsive 900px */
@media (max-width: 900px) {
  .bi-hero {
    grid-template-columns: 1fr;
    max-height: none;
    min-height: auto;
  }

  .bi-hero__content {
    padding: 3rem 2rem;
    order: 1;
  }

  .bi-hero__image {
    order: 0;
    max-height: 400px;
  }

  .bi-grid-2,
  .bi-grid-3,
  .bi-grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .bi-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .bi-burger {
    display: flex;
  }

  .bi-nav__list {
    position: fixed;
    top: var(--bi-header-height);
    left: 0;
    right: 0;
    background: var(--bi-white);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 0;
    box-shadow: 0 8px 24px var(--bi-shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--bi-transition), opacity var(--bi-transition);
    pointer-events: none;
  }

  body.bi-cookie-active .bi-nav__list {
    top: calc(var(--bi-header-height) + 42px);
  }

  .bi-nav__list.bi-nav__list--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .bi-nav__list li {
    border-bottom: 1px solid var(--bi-blush);
  }

  .bi-nav__link {
    display: block;
    padding: 1rem 0;
  }
}

/* Responsive 560px */
@media (max-width: 560px) {
  .bi-header__inner {
    padding: 0 1.2rem;
  }

  .bi-hero__content {
    padding: 2rem 1.2rem;
  }

  .bi-hero__actions {
    flex-direction: column;
  }

  .bi-hero__actions .bi-btn {
    width: 100%;
  }

  .bi-section {
    padding: 3rem 1.2rem;
  }

  .bi-grid-2,
  .bi-grid-3,
  .bi-grid-4 {
    grid-template-columns: 1fr;
  }

  .bi-footer__grid {
    grid-template-columns: 1fr;
  }

  .bi-footer__bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .bi-cookie {
    flex-direction: column;
    padding: 0.7rem 1rem;
    gap: 0.5rem;
  }

  .bi-page-hero {
    padding: 2.5rem 1.2rem;
  }

  .bi-contact-info {
    padding: 1.5rem;
  }
}