/* ========================================
   KSTUDIO — Every Day Couture
   Sales Page MVP
   Style: minimalista, pulito, bordò
   ======================================== */

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

:root {
  --bordeaux: #6b2737;
  --bordeaux-dark: #4a1a26;
  --bordeaux-light: #8a3a4e;
  --black: #0a0a0a;
  --white: #ffffff;
  --cream: #faf8f5;
  --grey: #999999;
  --grey-light: #e8e4e0;
  --grey-dark: #444444;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 0.5s var(--ease);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--cream);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem;
}

/* --- REVEAL --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- SECTION LABEL --- */
.section-label {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--bordeaux);
  margin-bottom: 2rem;
}

/* ========================================
   CURTAIN
   ======================================== */
.curtain {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  pointer-events: none;
}

.curtain__panel {
  flex: 1;
  background: var(--bordeaux);
  transition: transform 1.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.curtain__panel--left {
  transform: translateX(0);
}

.curtain__panel--right {
  transform: translateX(0);
}

.curtain.open .curtain__panel--left {
  transform: translateX(-100%);
}

.curtain.open .curtain__panel--right {
  transform: translateX(100%);
}

.curtain__logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--white);
  z-index: 1001;
  opacity: 1;
  transition: opacity 0.6s ease 0.3s;
}

.curtain.open .curtain__logo {
  opacity: 0;
  transition: opacity 0.4s ease;
}

/* ========================================
   NAV
   ======================================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 1.5rem 3rem;
  transition: all var(--transition);
}

.nav.scrolled {
  background: rgba(250, 248, 245, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 3rem;
}

.nav__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1400px;
  margin: 0 auto;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--white);
  transition: color var(--transition);
}

.nav.scrolled .nav__logo {
  color: var(--black);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.nav__link {
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  opacity: 0.8;
  transition: opacity var(--transition);
}

.nav__link:hover { opacity: 1; }

.nav.scrolled .nav__link {
  color: var(--black);
}

.nav__link--cta {
  border: 1px solid var(--bordeaux);
  padding: 0.5rem 1.5rem;
  color: var(--white) !important;
  background: var(--bordeaux);
  opacity: 1;
  transition: all var(--transition);
}

.nav__link--cta:hover {
  background: var(--bordeaux-dark);
  border-color: var(--bordeaux-dark);
}

.nav.scrolled .nav__link--cta {
  color: var(--white) !important;
}

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--white);
  transition: all var(--transition);
}

.nav.scrolled .nav__hamburger span {
  background: var(--black);
}

.nav__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

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

.nav__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
}

.nav__mobile {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  padding: 2rem 0;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: all var(--transition);
}

.nav__mobile.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.nav__mobile-link {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--white);
  padding: 1rem 2rem;
  width: 100%;
  text-align: center;
}

.nav__mobile-link--cta {
  color: var(--bordeaux);
}

/* ========================================
   HERO
   ======================================== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

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

.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(10, 10, 10, 0.35);
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  color: var(--white);
  padding: 0 2rem;
}

.hero__title {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 3rem;
}

.hero__line {
  font-family: var(--font-display);
  font-size: clamp(3rem, 10vw, 8rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: 0.04em;
}

.hero__line--sub {
  font-family: var(--font-body);
  font-size: clamp(0.7rem, 1.5vw, 1.1rem);
  font-weight: 200;
  letter-spacing: 0.5em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
}

.hero__cta {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.5);
  padding: 1rem 2.5rem;
  transition: all var(--transition);
}

.hero__cta:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

/* ========================================
   PREVIEW COLLEZIONE
   ======================================== */
.preview {
  padding: 8rem 0;
  background: var(--cream);
}

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

.preview__item {
  display: block;
}

.preview__frame {
  overflow: hidden;
  aspect-ratio: 3/4;
  margin: 0;
}

.preview__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s var(--ease);
}

.preview__item:hover .preview__img {
  transform: scale(1.03);
}

.preview__cta {
  text-align: center;
}

.preview__link {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--bordeaux);
  border-bottom: 1px solid var(--bordeaux);
  padding-bottom: 0.3rem;
  transition: opacity var(--transition);
}

.preview__link:hover {
  opacity: 0.6;
}

/* ========================================
   FORM SECTION
   ======================================== */
.form-section {
  padding: 8rem 0;
  background: var(--white);
}

.form-section__wrap {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.form-section__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: 3rem;
}

.form__fields {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.form__group {
  position: relative;
}

.form__input {
  width: 100%;
  padding: 1rem 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--black);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--grey-light);
  outline: none;
  transition: border-color var(--transition);
  border-radius: 0;
  -webkit-appearance: none;
}

.form__input::placeholder { color: transparent; }

.form__input:focus { border-color: var(--bordeaux); }

.form__input:focus + .form__label,
.form__input:not(:placeholder-shown) + .form__label {
  transform: translateY(-1.5rem) scale(0.7);
  color: var(--bordeaux);
}

.form__label {
  position: absolute;
  left: 0;
  top: 1rem;
  font-size: 0.65rem;
  font-weight: 300;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey);
  pointer-events: none;
  transition: all var(--transition);
  transform-origin: left top;
}

.form__error {
  display: block;
  font-size: 0.65rem;
  color: var(--bordeaux);
  margin-top: 0.4rem;
  text-align: left;
  opacity: 0;
  transform: translateY(-5px);
  transition: all 0.3s ease;
}

.form__error.show {
  opacity: 1;
  transform: translateY(0);
}

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

.form__submit {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--bordeaux);
  border: 1px solid var(--bordeaux);
  padding: 1rem 4rem;
  cursor: pointer;
  transition: all var(--transition);
  -webkit-appearance: none;
  border-radius: 0;
}

.form__submit:hover {
  background: var(--bordeaux-dark);
  border-color: var(--bordeaux-dark);
}

.form__success {
  display: none;
  padding: 2rem 0;
}

.form__success.show {
  display: block;
}

.form__success p {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--black);
  line-height: 1.8;
}

.form.hide { display: none; }

/* ========================================
   SUB-PAGES
   ======================================== */

.page-header {
  padding: 10rem 0 5rem;
  text-align: center;
  background: var(--cream);
}

.page-header--full {
  padding: 0;
  position: relative;
  height: 60vh;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-header__media {
  position: absolute;
  inset: 0;
}

.page-header__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-header__overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.4);
}

.page-header__content {
  position: relative;
  z-index: 2;
}

.page-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 500;
  letter-spacing: 0.03em;
}

.page-title--white {
  color: var(--white);
}

/* --- GALLERY --- */
.gallery {
  padding: 0 0 8rem;
  background: var(--cream);
}

.gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 3rem;
}

.gallery__item {
  overflow: hidden;
  margin: 0;
}

.gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3/4;
  transition: transform 0.8s var(--ease);
}

.gallery__item:hover img {
  transform: scale(1.02);
}

.gallery__item--tall img {
  aspect-ratio: 3/5;
}

.gallery__item--wide {
  grid-column: span 2;
}

.gallery__item--wide img {
  aspect-ratio: 6/4;
}

/* --- BRAND STRIP --- */
.brand-strip {
  padding: 6rem 3rem;
  background: var(--bordeaux);
  text-align: center;
}

.brand-strip__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-style: italic;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.03em;
}

/* --- CONTACT INFO --- */
.contact-info {
  padding: 4rem 0 6rem;
  background: var(--cream);
}

.contact-info__grid {
  display: flex;
  justify-content: center;
  gap: 5rem;
  max-width: 600px;
  margin: 0 auto;
  padding: 0 3rem;
}

.contact-info__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  transition: opacity var(--transition);
}

.contact-info__item:hover {
  opacity: 0.6;
}

.contact-info__label {
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--grey);
}

.contact-info__value {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--black);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: var(--black);
  padding: 3rem 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--white);
}

.footer__links {
  display: flex;
  gap: 2.5rem;
}

.footer__links a {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  transition: color var(--transition);
}

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

.footer__copy {
  font-size: 0.6rem;
  font-weight: 200;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.3);
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .container { padding: 0 1.5rem; }

  .nav { padding: 1rem 1.5rem; }
  .nav.scrolled { padding: 0.8rem 1.5rem; }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .nav__mobile { display: flex; }

  .preview { padding: 5rem 0; }
  .preview__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
  }

  .form-section { padding: 5rem 0; }

  .footer__links {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .gallery { padding: 0 0 5rem; }
  .gallery__grid {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 1.5rem;
  }
  .gallery__item--wide { grid-column: span 1; }
  .gallery__item--wide img { aspect-ratio: 3/4; }

  .brand-strip { padding: 4rem 1.5rem; }

  .contact-info__grid {
    flex-direction: column;
    gap: 2.5rem;
    padding: 0 1.5rem;
  }
}