/* ============================================================
   LUXURY HUB ITALY — Main Stylesheet
   ============================================================
   Structure:
   01. Custom Properties
   02. Reset & Base
   03. Typography
   04. Layout Utilities
   05. Header
   06. Hero
   07. Section: Intro
   08. Section: The Project
   09. Section: Positioning Line
   10. Section: Development Note
   11. Section: Contact
   12. Footer
   13. Scroll Reveal
   14. Responsive
   ============================================================ */


/* ─── 01. Custom Properties ─── */

:root {
  /* Palette */
  --color-ivory:       #F9F6F1;
  --color-cream:       #F2EDE5;
  --color-cream-deep:  #EAE3D8;
  --color-sand:        #D9D0C3;
  --color-taupe:       #C2B8AB;
  --color-charcoal:    #27211C;
  --color-espresso:    #3A2F27;
  --color-warm:        #5C5248;
  --color-warm-light:  #8C8278;
  --color-gold:        #B5A27F;
  --color-gold-light:  #CFC0A1;
  --color-gold-line:   #D8CCB5;

  /* Typography */
  --font-serif:  'Cormorant Garamond', 'Palatino Linotype', Georgia, serif;
  --font-sans:   'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;

  /* Spacing scale */
  --sp-xs:   0.5rem;
  --sp-sm:   1rem;
  --sp-md:   2rem;
  --sp-lg:   4rem;
  --sp-xl:   7rem;
  --sp-xxl:  11rem;

  /* Layout */
  --max-w:       1200px;
  --max-w-text:  640px;
  --gutter:      2.5rem;

  /* Transitions */
  --ease-soft:   cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-reveal: cubic-bezier(0.16, 1, 0.3, 1);
}


/* ─── 02. Reset & Base ─── */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--color-ivory);
  color: var(--color-charcoal);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}


/* ─── 03. Typography ─── */

.t-label {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-warm-light);
}

.t-serif {
  font-family: var(--font-serif);
}

.t-hero {
  font-family: var(--font-serif);
  font-size: clamp(3.2rem, 8vw, 7.5rem);
  font-weight: 300;
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--color-charcoal);
}

.t-display {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 3.2rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

.t-body {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--color-warm);
}

.t-body--lg {
  font-size: 1.0625rem;
  line-height: 1.95;
}

.t-pull {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 3vw, 2.2rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--color-espresso);
}


/* ─── 04. Layout Utilities ─── */

.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.section {
  padding-block: var(--sp-xl);
}

.section--flush-top {
  padding-top: 0;
}

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

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

.ornament-line {
  display: block;
  width: 48px;
  height: 1px;
  background-color: var(--color-gold);
  margin-inline: auto;
}

.ornament-line--left {
  margin-inline: 0;
}

.divider {
  width: 100%;
  height: 1px;
  background-color: var(--color-gold-line);
  border: none;
  opacity: 0.5;
}


/* ─── 05. Header ─── */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding-block: 1.5rem;
  transition:
    background-color 0.5s var(--ease-soft),
    padding-block 0.4s var(--ease-soft),
    box-shadow 0.5s var(--ease-soft);
}

.site-header.is-scrolled {
  background-color: rgba(249, 246, 241, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding-block: 1.1rem;
  box-shadow: 0 1px 0 rgba(194, 184, 171, 0.35);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-charcoal);
  transition: opacity 0.3s var(--ease-soft);
}

.site-logo:hover {
  opacity: 0.6;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.site-nav__link {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-warm);
  position: relative;
  transition: color 0.3s var(--ease-soft);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-gold);
  transition: width 0.35s var(--ease-soft);
}

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

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


/* ─── 06. Hero ─── */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-block: 7rem;

  /* Subtle warm radial gradient — barely visible */
  background-image:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(216, 204, 181, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 80% 80%, rgba(194, 184, 171, 0.10) 0%, transparent 60%);
}

/* Ultra-subtle paper grain overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 200px 200px;
  pointer-events: none;
  opacity: 0.55;
}

.hero__eyebrow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: var(--sp-md);
}

.hero__rule {
  width: 1px;
  height: 52px;
  background: linear-gradient(to bottom, transparent, var(--color-gold));
  display: block;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
  max-width: 820px;
  padding-inline: var(--gutter);
}

.hero__title {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 8.5vw, 8rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.005em;
  color: var(--color-charcoal);
}

.hero__subtitle {
  font-family: var(--font-sans);
  font-size: clamp(0.8125rem, 1.5vw, 0.9375rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  line-height: 1.8;
  color: var(--color-warm);
  max-width: 420px;
}

.hero__scroll-hint {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.45;
  transition: opacity 0.3s;
}

.hero__scroll-hint:hover {
  opacity: 0.7;
}

.hero__scroll-label {
  font-family: var(--font-sans);
  font-size: 0.5625rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-warm);
}

.hero__scroll-arrow {
  width: 1px;
  height: 36px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: arrow-pulse 2.4s ease-in-out infinite;
}

@keyframes arrow-pulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50%       { opacity: 0.9; transform: scaleY(1.1); }
}


/* ─── 07. Section: Intro ─── */

.intro {
  text-align: center;
}

.intro__inner {
  margin-inline: auto;
  max-width: var(--max-w-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.intro__text {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 300;
  line-height: 1.7;
  color: var(--color-espresso);
  letter-spacing: 0.01em;
}


/* ─── 08. Section: The Project ─── */

.project {
  text-align: center;
}

.project__inner {
  margin-inline: auto;
  max-width: var(--max-w-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.project__text {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.95;
  color: var(--color-warm);
  letter-spacing: 0.01em;
}

.project__pillars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.project__pillar {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-taupe);
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.project__pillar::after {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background-color: var(--color-gold-line);
}

.project__pillar:last-child::after {
  display: none;
}


/* ─── 09. Section: Positioning Line ─── */

.positioning {
  text-align: center;
  background-color: var(--color-cream-deep);
  position: relative;
  overflow: hidden;
}

.positioning::before,
.positioning::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-gold-line), transparent);
  opacity: 0.6;
}

.positioning::before { top: 0; }
.positioning::after  { bottom: 0; transform: translateX(-50%) rotate(180deg); }

.positioning__inner {
  margin-inline: auto;
  max-width: 800px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-block: var(--sp-xl);
}

.positioning__line {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3.2vw, 2.1rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--color-espresso);
}


/* ─── 10. Section: Development Note ─── */

.dev-note {
  text-align: center;
}

.dev-note__inner {
  margin-inline: auto;
  max-width: 560px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;

  /* Refined card-like treatment */
  background-color: var(--color-cream);
  border-top: 1px solid var(--color-gold-line);
  border-bottom: 1px solid var(--color-gold-line);
  padding: var(--sp-lg) var(--sp-md);
}

.dev-note__title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 300;
  line-height: 1.3;
  color: var(--color-charcoal);
  letter-spacing: 0.01em;
}

.dev-note__text {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.9;
  color: var(--color-warm-light);
  letter-spacing: 0.01em;
}

.dev-note__mark {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-gold);
  opacity: 0.7;
}


/* ─── 11. Section: Contact ─── */

.contact {
  text-align: center;
}

.contact__inner {
  margin-inline: auto;
  max-width: var(--max-w-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.contact__email {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2.5vw, 1.55rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  color: var(--color-espresso);
  position: relative;
  display: inline-block;
  transition: color 0.35s var(--ease-soft);
}

.contact__email::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0.3);
  transform-origin: left;
  opacity: 0.6;
  transition: transform 0.45s var(--ease-soft), opacity 0.35s;
}

.contact__email:hover {
  color: var(--color-charcoal);
}

.contact__email:hover::after {
  transform: scaleX(1);
  opacity: 1;
}

.contact__divider {
  display: block;
  width: 1px;
  height: 28px;
  background: linear-gradient(to bottom, transparent, var(--color-gold-line), transparent);
  opacity: 0.7;
}

.contact__pdf {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-warm-light);
  position: relative;
  transition: color 0.35s var(--ease-soft);
}

.contact__pdf::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.45s var(--ease-soft);
}

.contact__pdf:hover {
  color: var(--color-espresso);
}

.contact__pdf:hover::after {
  transform: scaleX(1);
}

.contact__pdf-badge {
  font-family: var(--font-sans);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  border: 1px solid var(--color-gold-line);
  padding: 0.15em 0.45em;
  line-height: 1.6;
  transition: border-color 0.35s var(--ease-soft);
}

.contact__pdf:hover .contact__pdf-badge {
  border-color: var(--color-gold);
}


/* ─── 12. Footer ─── */

.site-footer {
  background-color: var(--color-cream);
  border-top: 1px solid var(--color-gold-line);
  padding-block: var(--sp-md);
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-footer__brand {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--color-warm);
}

.site-footer__copy {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-warm-light);
}

.site-footer__rights {
  font-family: var(--font-sans);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-warm-light);
  text-align: right;
}

.site-footer__partner {
  color: var(--color-warm-light);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s var(--ease-soft), border-color 0.3s var(--ease-soft);
}

.site-footer__partner:hover {
  color: var(--color-charcoal);
  border-bottom-color: var(--color-gold);
}

.site-footer__dot {
  margin-inline: 0.4em;
  color: var(--color-sand);
}


/* ─── 13. Scroll Reveal ─── */

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.9s var(--ease-reveal),
    transform 0.9s var(--ease-reveal);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay-1 { transition-delay: 0.12s; }
.reveal--delay-2 { transition-delay: 0.24s; }
.reveal--delay-3 { transition-delay: 0.36s; }
.reveal--delay-4 { transition-delay: 0.48s; }


/* ─── 14. Responsive ─── */

@media (max-width: 768px) {
  :root {
    --gutter: 1.5rem;
    --sp-xl:  5rem;
    --sp-xxl: 7rem;
  }

  .site-header {
    padding-block: 1.25rem;
  }

  .site-footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
  }

  .site-footer__rights {
    text-align: center;
  }

  .project__pillars {
    gap: 1rem;
  }

  .dev-note__inner {
    padding: var(--sp-md) var(--sp-sm);
  }
}

@media (max-width: 480px) {
  :root {
    --gutter: 1.25rem;
    --sp-xl:  4rem;
  }

  .hero__rule {
    height: 38px;
  }

  .positioning__inner {
    padding-block: var(--sp-lg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .hero__scroll-arrow {
    animation: none;
  }
}