/* ==========================================================================
   Valentin Neacsu — Luxury Minimal Portfolio
   ========================================================================== */

:root {
  --color-black: #0a0a0a;
  --color-white: #fafafa;
  --color-gray-100: #e8e8e8;
  --color-gray-200: #b3b3b3;
  --color-gray-300: #737373;
  --color-gray-400: #404040;
  --color-gray-500: #1c1c1c;
  --color-gray-600: #141414;

  --font-display: "Cormorant Garamond", "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --header-height: 72px;
  --section-space: clamp(5rem, 12vw, 9rem);
  --content-width: min(1120px, calc(100% - 3rem));
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --glass-bg: rgba(10, 10, 10, 0.55);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-blur: 24px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-white);
  background: var(--color-black);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

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

:focus-visible {
  outline: 1px solid var(--color-gray-100);
  outline-offset: 3px;
}

::selection {
  background: var(--color-white);
  color: var(--color-black);
}

/* Skip link */

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 10000;
  padding: 0.75rem 1.25rem;
  background: var(--color-white);
  color: var(--color-black);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: top 0.3s var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

/* Header — glass navigation */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 1000;
  height: var(--header-height);
  border-bottom: 1px solid transparent;
  transition:
    background 0.5s var(--ease-out),
    border-color 0.5s var(--ease-out),
    backdrop-filter 0.5s var(--ease-out);
}

.site-header.is-scrolled {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom-color: var(--glass-border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  max-width: 1400px;
  height: 100%;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  flex-shrink: 0;
}

.site-logo__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid var(--color-gray-400);
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.site-logo__text {
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 2.5rem;
  height: 2.5rem;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-white);
  transition: transform 0.4s var(--ease-out), opacity 0.3s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  list-style: none;
}

.site-nav__link {
  position: relative;
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gray-200);
  padding: 0.5rem 0.75rem;
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-white), var(--color-gray-300));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease-out);
  border-radius: 2px;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

.site-nav__link:hover::after,
.site-nav__link:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav__link:active {
  transform: translateY(1px);
  background: rgba(255, 255, 255, 0.12);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.lang-switch__btn {
  min-width: 2rem;
  padding: 0.35rem 0.4rem;
  background: none;
  border: none;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--color-gray-300);
  cursor: pointer;
  transition: color 0.3s var(--ease-out);
}

.lang-switch__btn:hover,
.lang-switch__btn:focus-visible {
  color: var(--color-white);
}

.lang-switch__btn.is-active {
  color: var(--color-white);
}

/* Hero */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
}

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

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.06);
  animation: heroKenBurns 20s var(--ease-in-out) infinite alternate;
}

@keyframes heroKenBurns {
  from { transform: scale(1.06); }
  to { transform: scale(1); }
}

.hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to bottom, rgba(10, 10, 10, 0.35) 0%, rgba(10, 10, 10, 0.15) 40%, rgba(10, 10, 10, 0.75) 100%),
    rgba(10, 10, 10, 0.25);
}

.hero__content {
  position: relative;
  z-index: 2;
  max-width: 52rem;
  padding: calc(var(--header-height) + 2rem) 1.5rem 4rem;
  text-align: center;
}

.hero__eyebrow {
  margin-bottom: 1.25rem;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-gray-200);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
}

.hero__location {
  max-width: 28rem;
  margin: 0 auto 2.75rem;
  font-size: clamp(0.9375rem, 2vw, 1.0625rem);
  line-height: 1.8;
  color: var(--color-gray-200);
}

.hero__cta {
  display: inline-block;
  padding: 0.9375rem 2.25rem;
  border: 1px solid rgba(255, 255, 255, 0.45);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition:
    background 0.45s var(--ease-out),
    color 0.45s var(--ease-out),
    border-color 0.45s var(--ease-out);
}

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

.hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  transform: translateX(-50%);
  color: var(--color-gray-200);
  transition: color 0.3s var(--ease-out);
}

.hero__scroll:hover,
.hero__scroll:focus-visible {
  color: var(--color-white);
}

.hero__scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--color-gray-300));
  animation: scrollPulse 2.2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.35; transform: scaleY(0.85); }
  50% { opacity: 1; transform: scaleY(1); }
}

.hero__scroll-text {
  font-size: 0.625rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

/* Sections */

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

.section__header {
  max-width: var(--content-width);
  margin: 0 auto 3.5rem;
  padding: 0 1.5rem;
}

.section__eyebrow {
  margin-bottom: 0.75rem;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-gray-300);
}

.section__title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: 0.02em;
}

/* Masonry gallery */

.portfolio {
  padding-bottom: calc(var(--section-space) * 0.85);
}

.masonry {
  column-count: 3;
  column-gap: clamp(0.75rem, 1.5vw, 1.125rem);
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.masonry__item {
  break-inside: avoid;
  margin-bottom: clamp(0.75rem, 1.5vw, 1.125rem);
}

.masonry__trigger {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}

.masonry__trigger img {
  width: 100%;
  height: auto;
  vertical-align: bottom;
  transition: transform 0.7s var(--ease-out), opacity 0.5s var(--ease-out);
}

.masonry__trigger::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0);
  transition: background 0.5s var(--ease-out);
}

.masonry__trigger:hover img,
.masonry__trigger:focus-visible img {
  transform: scale(1.03);
  opacity: 0.88;
}

.masonry__trigger:hover::after,
.masonry__trigger:focus-visible::after {
  background: rgba(10, 10, 10, 0.12);
}

/* About */

.about {
  border-top: 1px solid var(--color-gray-500);
  background: linear-gradient(180deg, var(--color-black) 0%, var(--color-gray-600) 100%);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  align-items: center;
}

.about__profile {
  position: relative;
  width: 100%;
}

.about__image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 3px;
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.55);
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

.about__image:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.65);
}

.about__content {
  display: flex;
  flex-direction: column;
}

.about__intro {
  margin-bottom: 1.75rem;
}

.about__text {
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.95;
  color: var(--color-gray-200);
  margin-bottom: 2.5rem;
}

.services {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  list-style: none;
}

.services__tag {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-gray-400);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray-200);
  transition: border-color 0.35s var(--ease-out), color 0.35s var(--ease-out);
}

.services__tag:hover {
  border-color: var(--color-gray-200);
  color: var(--color-white);
}

/* Contact */

.contact {
  border-top: 1px solid var(--color-gray-500);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: clamp(2.5rem, 6vw, 5rem);
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.contact__subtitle {
  margin-top: 1.25rem;
  font-size: 1rem;
  color: var(--color-gray-300);
}

.contact__details {
  list-style: none;
  margin: 2.25rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.contact__detail {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.contact__detail-label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-gray-400);
}

.contact__detail-value {
  font-size: 1rem;
  color: var(--color-gray-100);
  transition: color 0.3s var(--ease-out);
  width: fit-content;
}

.contact__detail-value:hover,
.contact__detail-value:focus-visible {
  color: var(--color-white);
}

.contact__map {
  margin-top: 2.25rem;
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--color-gray-500);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.5s var(--ease-out);
}

.contact__map:hover {
  filter: grayscale(0) contrast(1);
}

.contact__map iframe {
  display: block;
  width: 100%;
}

/* Floating Get in touch button */

.floating-cta {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
  background: var(--color-white);
  color: var(--color-black);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border-radius: 999px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out), background 0.3s var(--ease-out);
}

.floating-cta.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.floating-cta:hover,
.floating-cta:focus-visible {
  background: var(--color-gray-100);
  transform: translateY(-2px);
}

.floating-cta__icon {
  transition: transform 0.3s var(--ease-out);
}

.floating-cta:hover .floating-cta__icon {
  transform: translateX(3px);
}

@media (max-width: 768px) {
  .floating-cta {
    padding: 0.75rem 1.15rem;
    font-size: 0.68rem;
  }
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-field__label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gray-300);
}

.form-field__optional {
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-gray-400);
}

.form-field__input {
  width: 100%;
  padding: 0.9375rem 1rem;
  background: var(--color-gray-600);
  border: 1px solid var(--color-gray-500);
  color: var(--color-white);
  transition: border-color 0.35s var(--ease-out), background 0.35s var(--ease-out);
}

.form-field__input::placeholder {
  color: var(--color-gray-400);
}

.form-field__input:hover {
  border-color: var(--color-gray-400);
}

.form-field__input:focus {
  outline: none;
  border-color: var(--color-gray-200);
  background: var(--color-gray-500);
}

.form-field__input--area {
  resize: vertical;
  min-height: 9rem;
}

.form-submit {
  align-self: flex-start;
  margin-top: 0.5rem;
  padding: 1rem 2.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-white);
  color: var(--color-black);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out);
}

.form-submit:hover,
.form-submit:focus-visible {
  background: transparent;
  color: var(--color-white);
}

/* Footer */

.site-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3.5rem 1.5rem 4rem;
  border-top: 1px solid var(--color-gray-500);
  text-align: center;
}

.site-footer__link {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--color-gray-200);
  transition: color 0.3s var(--ease-out);
}

.site-footer__link:hover,
.site-footer__link:focus-visible {
  color: var(--color-white);
}

.site-footer__copy {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-gray-400);
}

/* Scroll reveal */

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.9s var(--ease-out),
    transform 0.9s var(--ease-out);
}

.reveal.is-visible,
.no-js .reveal {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* Lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.96);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox[hidden] {
  display: none;
}

.lightbox:not([hidden]).is-open {
  display: flex;
}

.lightbox__stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  padding: 4rem clamp(3.5rem, 8vw, 5rem);
}

.lightbox__image {
  max-width: 100%;
  max-height: calc(100vh - 8rem);
  max-height: calc(100dvh - 8rem);
  width: auto;
  height: auto;
  object-fit: contain;
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.lightbox.is-open .lightbox__image.is-loaded {
  opacity: 1;
  transform: scale(1);
}

.lightbox__counter {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--color-gray-300);
}

.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: none;
  border: 1px solid var(--color-gray-400);
  color: var(--color-white);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.lightbox__close:hover,
.lightbox__close:focus-visible {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.lightbox__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: none;
  border: 1px solid var(--color-gray-400);
  color: var(--color-white);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  transform: translateY(-50%);
  transition: border-color 0.3s var(--ease-out), background 0.3s var(--ease-out);
}

.lightbox__nav:hover,
.lightbox__nav:focus-visible {
  border-color: var(--color-white);
  background: rgba(255, 255, 255, 0.06);
}

.lightbox__nav--prev { left: 1.25rem; }
.lightbox__nav--next { right: 1.25rem; }

body.is-lightbox-open {
  overflow: hidden;
}

/* Responsive */

@media (max-width: 1024px) {
  .masonry {
    column-count: 2;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about__profile {
    max-width: 520px;
    margin: 0 auto;
  }

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

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-toggle {
    display: flex;
    order: 3;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-height) 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--glass-border);
    padding: 1.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 0.4s var(--ease-out),
      visibility 0.4s,
      transform 0.4s var(--ease-out);
  }

  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .lang-switch {
    order: 2;
    margin-left: auto;
    margin-right: 0.5rem;
  }

  .lang-switch__btn {
    min-width: 1.75rem;
    padding: 0.25rem;
    font-size: 0.625rem;
  }

  .masonry {
    column-count: 1;
    max-width: 32rem;
  }

  .lightbox__nav {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.5rem;
  }

  .lightbox__nav--prev { left: 0.75rem; }
  .lightbox__nav--next { right: 0.75rem; }

  .lightbox__stage {
    padding: 3.5rem 2.75rem;
  }
}

@media (max-width: 480px) {
  .site-logo__text {
    display: none;
  }

  .hero__scroll {
    display: none;
  }
}

/* Reduced motion */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero__image {
    animation: none;
    transform: none;
  }
}