/* =========================================
   LUXEBRAND — Luxury Agency Stylesheet
   Design System: Dark / Gold / Serif
   ========================================= */

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

:root {
  --clr-primary: #FAFAFA;
  --clr-surface: #000000;
  --clr-text: #FFFFFF;
  --clr-neutral: #000000;
  --clr-gold: #C9A84C;
  --clr-gold-dim: rgba(201, 168, 76, 0.15);
  --clr-border: rgba(250, 250, 250, 0.1);
  --font-primary: 'Oswald', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;
  --max-width: 1200px;
  --transition: 200ms cubic-bezier(0.25, 0.1, 0.25, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-primary);
  background: var(--clr-surface);
  color: var(--clr-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  opacity: 0.7;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2.5rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--clr-primary);
  color: var(--clr-neutral);
  border-color: var(--clr-primary);
}

.btn--primary:hover {
  background: transparent;
  color: var(--clr-primary);
  opacity: 1;
}

.btn--primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--clr-primary);
  opacity: 0;
  transition: opacity var(--transition);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  transition: background var(--transition);
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.95);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header__logo span {
  display: none;
}

@media (min-width: 640px) {
  .header__logo span {
    display: inline;
  }
}

.header__toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.header__toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--clr-primary);
  transition: all var(--transition);
  transform-origin: center;
}

.header__toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.header__toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.header__toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

@media (min-width: 768px) {
  .header__toggle {
    display: none;
  }
}

.header__menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

@media (max-width: 767px) {
  .header__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    flex-direction: column;
    justify-content: center;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    gap: var(--space-lg);
    transition: right 400ms cubic-bezier(0.25, 0.1, 0.25, 1);
    padding: var(--space-xl) var(--space-md);
  }

  .header__menu.open {
    right: 0;
  }
}

.header__link {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 0;
  position: relative;
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--clr-primary);
  transition: width var(--transition);
}

.header__link:hover::after {
  width: 100%;
}

.header__link--cta {
  padding: 0.5rem 1.5rem;
  border: 1px solid var(--clr-primary);
  transition: all var(--transition);
}

.header__link--cta:hover {
  background: var(--clr-primary);
  color: var(--clr-neutral);
  opacity: 1;
}

.header__link--cta::after {
  display: none;
}

/* --- Hero --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__media {
  position: absolute;
  inset: 0;
}

.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 50%, rgba(0,0,0,0.7) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero__title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 300;
  letter-spacing: 0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeUp 1s 0.3s forwards;
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 300;
  color: rgba(250, 250, 250, 0.7);
  margin-bottom: var(--space-md);
  max-width: 480px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 0.5s forwards;
}

.hero__content .btn {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 1s 0.7s forwards;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Sections --- */
.section {
  padding: var(--space-2xl) 0;
}

.section__header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-xl);
}

.section__tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin-bottom: var(--space-sm);
  position: relative;
}

.section__tag::before,
.section__tag::after {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--clr-gold);
  vertical-align: middle;
  margin: 0 var(--space-sm);
}

.section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-sm);
}

.section__desc {
  font-size: 1rem;
  font-weight: 300;
  color: rgba(250, 250, 250, 0.6);
  line-height: 1.7;
}

/* --- Servizi Cards --- */
.servizi__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

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

.servizio-card {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--clr-border);
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

.servizio-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border: 1px solid transparent;
  transition: border-color var(--transition);
  pointer-events: none;
}

.servizio-card:hover {
  border-color: var(--clr-gold-dim);
}

.servizio-card:hover::before {
  border-color: var(--clr-gold);
}

.servizio-card__icon {
  margin-bottom: var(--space-md);
  opacity: 0.6;
}

.servizio-card:hover .servizio-card__icon {
  opacity: 1;
}

.servizio-card__title {
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.servizio-card__desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: rgba(250, 250, 250, 0.55);
  line-height: 1.7;
}

.servizio-card__icon svg {
  transition: transform var(--transition);
}

.servizio-card:hover .servizio-card__icon svg {
  transform: scale(1.1);
}

/* --- Portfolio --- */
.portfolio {
  background: rgba(250, 250, 250, 0.02);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--clr-border);
}

@media (min-width: 640px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.portfolio__item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--clr-surface);
}

.portfolio__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms cubic-bezier(0.25, 0.1, 0.25, 1);
}

.portfolio__item:hover .portfolio__img {
  transform: scale(1.05);
}

.portfolio__caption {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-md);
  background: linear-gradient(transparent 40%, rgba(0,0,0,0.8));
  opacity: 0;
  transition: opacity var(--transition);
}

.portfolio__item:hover .portfolio__caption {
  opacity: 1;
}

.portfolio__caption h3 {
  font-size: 1.125rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}

.portfolio__caption p {
  font-size: 0.8125rem;
  font-weight: 300;
  color: rgba(250, 250, 250, 0.6);
  letter-spacing: 0.05em;
}

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

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

.testimonial {
  padding: var(--space-lg) var(--space-md);
  border: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  position: relative;
}

.testimonial__stars {
  display: flex;
  gap: 2px;
  opacity: 0.8;
}

.testimonial__text {
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.7;
  color: rgba(250, 250, 250, 0.7);
  flex: 1;
}

.testimonial__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-top: var(--space-md);
  border-top: 1px solid var(--clr-border);
}

.testimonial__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial__name {
  font-style: normal;
  font-size: 0.9375rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  display: block;
}

.testimonial__role {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: rgba(250, 250, 250, 0.4);
  letter-spacing: 0.05em;
}

/* --- Contatti --- */
.contatti__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 768px) {
  .contatti__grid {
    grid-template-columns: 1.5fr 1fr;
  }
}

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

.form__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: rgba(250, 250, 250, 0.6);
}

.form__input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: transparent;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  font-family: var(--font-primary);
  font-size: 0.9375rem;
  font-weight: 300;
  transition: border-color var(--transition);
  outline: none;
}

.form__input::placeholder {
  color: rgba(250, 250, 250, 0.2);
  font-weight: 300;
}

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

.form__textarea {
  resize: vertical;
  min-height: 100px;
}

.form__submit {
  width: 100%;
}

.contatti__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  padding-top: var(--space-sm);
}

.contatti__info-item h3 {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-gold);
  margin-bottom: var(--space-sm);
}

.contatti__info-item p {
  font-size: 0.9375rem;
  font-weight: 300;
  line-height: 1.8;
  color: rgba(250, 250, 250, 0.6);
}

.contatti__info-item a {
  color: var(--clr-text);
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--clr-border);
  padding: var(--space-lg) 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: rgba(250, 250, 250, 0.4);
  letter-spacing: 0.05em;
}

.footer__nav {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  justify-content: center;
}

.footer__nav a {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(250, 250, 250, 0.5);
}

.footer__nav a:hover {
  color: var(--clr-primary);
}

/* --- Reveal Animation --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 600ms, transform 600ms;
}

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

/* --- Responsive --- */
@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-sm);
  }

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

  .section__tag::before,
  .section__tag::after {
    width: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}