/* ============================================
   Transcend Travel — Design System
   ============================================ */

:root {
  --bg-primary: #fdf8f3;
  --bg-secondary: #f5f0eb;
  --accent: #e4a4bd;
  --text: #262626;
  --text-muted: rgba(38, 38, 38, 0.7);
  --text-faint: rgba(38, 38, 38, 0.3);
  --border: rgba(38, 38, 38, 0.05);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 1s;
  --nav-height: 80px;
  --container: min(1400px, calc(100% - 48px));
}

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

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

body {
  font-family: 'Roboto', sans-serif;
  background: var(--bg-primary);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.label {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(253, 248, 243, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.nav--scrolled {
  background: rgba(253, 248, 243, 0.95);
  box-shadow: 0 4px 30px rgba(38, 38, 38, 0.04);
}

.nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--nav-height);
  gap: 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  justify-self: start;
  transition: opacity var(--duration) var(--ease);
}

.nav__logo img {
  height: 44px;
  width: auto;
  display: block;
}

.nav__logo:hover {
  opacity: 0.8;
}

.nav__menu {
  display: flex;
  gap: 2.5rem;
  justify-self: center;
}

.nav__menu a {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  position: relative;
  transition: color var(--duration) var(--ease);
}

.nav__menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent);
  transition: width var(--duration) var(--ease);
}

.nav__menu a:hover {
  color: var(--accent);
}

.nav__menu a:hover::after {
  width: 100%;
}

.nav__cta {
  justify-self: end;
  background: var(--accent);
  color: var(--text);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 12px 32px;
  border-radius: 999px;
  transition: transform var(--duration) var(--ease),
              background var(--duration) var(--ease);
}

.nav__cta:hover {
  transform: scale(1.05);
  background: #d994ad;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  justify-self: end;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: transform var(--duration) var(--ease),
              opacity var(--duration) var(--ease);
}

.nav__toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2rem var(--container);
  background: rgba(253, 248, 243, 0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__mobile a {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav__mobile:not([hidden]) {
  display: flex;
}

/* ============================================
   Hero
   ============================================ */

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: var(--nav-height);
  position: relative;
}

.hero__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3rem 5rem;
  align-items: center;
  min-height: calc(100vh - var(--nav-height) - 80px);
  padding-block: 4rem;
}

.hero__content {
  grid-column: 1 / 7;
  position: relative;
  z-index: 3;
  max-width: 640px;
}

.hero__title {
  font-size: clamp(2.75rem, 8vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: 1.5rem;
  text-transform: uppercase;
}

.hero__brand {
  margin-bottom: 2rem;
}

.hero__brand img {
  height: clamp(56px, 8vw, 80px);
  width: auto;
  display: block;
}

.hero__title em {
  font-style: italic;
  text-transform: lowercase;
  color: var(--accent);
}

.hero__body {
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  color: var(--text-muted);
  max-width: 480px;
  margin-bottom: 3rem;
  line-height: 1.6;
}

.arrow-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 4px;
  transition: gap var(--duration) var(--ease),
              color var(--duration) var(--ease);
}

.arrow-cta:hover {
  gap: 1.25rem;
  color: var(--accent);
}

.hero__visual {
  grid-column: 8 / 13;
  position: relative;
  z-index: 1;
  max-width: 480px;
  justify-self: end;
  width: 100%;
}

.hero__card {
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  max-height: 70vh;
}

.hero__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transform: scale(1);
  transition: filter var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.hero__card:hover .hero__image {
  filter: grayscale(0%);
  transform: scale(1.05);
}

/* ============================================
   Gallery Marquee
   ============================================ */

.gallery-marquee {
  position: relative;
  overflow: hidden;
  padding: 2.5rem 0;
  background: var(--bg-secondary);
  border-block: 1px solid var(--border);
}

.gallery-marquee__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  animation: marquee 50s linear infinite;
  padding-inline: 1.25rem;
}

.gallery-marquee__track:hover {
  animation-play-state: paused;
}

.gallery-marquee__track img {
  flex-shrink: 0;
  width: clamp(220px, 22vw, 320px);
  height: clamp(280px, 28vw, 400px);
  object-fit: cover;
  border-radius: 16px;
  filter: grayscale(100%);
  transition: filter var(--duration) var(--ease), transform var(--duration) var(--ease);
}

.gallery-marquee__track img:hover {
  filter: grayscale(0%);
  transform: scale(1.04);
}

.gallery-marquee__fade {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.gallery-marquee__fade--left {
  left: 0;
  background: linear-gradient(to right, var(--bg-secondary), transparent);
}

.gallery-marquee__fade--right {
  right: 0;
  background: linear-gradient(to left, var(--bg-secondary), transparent);
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   Services
   ============================================ */

.services {
  background: var(--bg-secondary);
  padding: clamp(5rem, 12vw, 10rem) 0;
}

.services__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.8;
  text-transform: uppercase;
  margin-bottom: 4rem;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--border);
}

.service-card {
  padding: 40px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  transition: background var(--duration) var(--ease);
}

.service-card:last-child {
  border-right: none;
}

.service-card:hover {
  background: var(--accent);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 2rem;
  color: var(--accent);
  transition: color var(--duration) var(--ease);
}

.service-card__icon svg {
  width: 100%;
  height: 100%;
}

.service-card:hover .service-card__icon {
  color: var(--text);
}

.service-card h3 {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.service-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  transition: color var(--duration) var(--ease);
}

.service-card:hover p {
  color: var(--text);
}

/* ============================================
   Portfolio
   ============================================ */

.portfolio {
  padding: clamp(5rem, 12vw, 10rem) 0;
}

.portfolio__header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 5rem;
  align-items: end;
}

.portfolio__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.8;
  text-transform: uppercase;
}

.portfolio__intro {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 480px;
}

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

.portfolio-item--offset {
  margin-top: 100px;
}

.portfolio-item__image-wrap {
  display: block;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  margin-bottom: 1.5rem;
}

.portfolio-item__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transform: scale(1);
  transition: filter var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.portfolio-item__image-wrap:hover .portfolio-item__image {
  filter: grayscale(0%);
  transform: scale(1.08);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}

.portfolio-item__overlay::before {
  content: '';
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: var(--text);
  position: absolute;
}

.portfolio-item__image-wrap:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__overlay {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #fff;
  z-index: 1;
}

.portfolio-item__category {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.portfolio-item__name {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.portfolio-item__tags {
  font-size: 13px;
  color: var(--text-muted);
}

/* ============================================
   Process
   ============================================ */

.process {
  background: var(--bg-secondary);
  padding: clamp(5rem, 12vw, 10rem) 0;
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4rem;
  align-items: center;
}

.process__visual {
  grid-column: 1 / 6;
  border-radius: 24px;
  overflow: hidden;
}

.process__image {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  filter: grayscale(30%);
  transition: filter var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.process__visual:hover .process__image {
  filter: grayscale(0%);
  transform: scale(1.03);
}

.process__content {
  grid-column: 7 / 13;
}

.process__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.8;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.process__intro {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 3rem;
  max-width: 480px;
}

.process__steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.process-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.process-step:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.process-step__num {
  font-size: 2rem;
  font-weight: 900;
  font-style: italic;
  color: var(--accent);
  line-height: 1;
  flex-shrink: 0;
}

.process-step h3 {
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ============================================
   About
   ============================================ */

.about {
  padding: clamp(5rem, 12vw, 10rem) 0;
}

.about__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 4rem;
  align-items: center;
}

.about__content {
  grid-column: 1 / 6;
}

.about__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.8;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.about__content p {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about__quote {
  margin-top: 2.5rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--accent);
}

.about__quote p {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.about__quote cite {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-style: normal;
  color: var(--accent);
}

.about__images {
  grid-column: 7 / 13;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  position: relative;
}

.about__image {
  border-radius: 16px;
  width: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: filter var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

.about__image:hover {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.about__image--primary {
  aspect-ratio: 3 / 4;
  grid-row: span 2;
}

.about__image--secondary {
  aspect-ratio: 4 / 3;
  align-self: end;
}

/* ============================================
   Contact
   ============================================ */

.contact {
  background: var(--bg-secondary);
  padding: clamp(5rem, 12vw, 10rem) 0;
}

.contact__inner {
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
}

.contact__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.8;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.contact__body {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.contact__emails {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 1rem;
  margin-bottom: 2.5rem;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.contact__emails a {
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  transition: color var(--duration) var(--ease);
}

.contact__emails a:hover {
  color: var(--accent);
}

.contact__emails span {
  color: var(--text-faint);
}

.contact__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.contact__full {
  grid-column: 1 / -1;
}

.contact__form input,
.contact__form textarea {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}

.contact__form input:focus,
.contact__form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(228, 164, 189, 0.2);
}

.contact__form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__submit {
  background: var(--accent);
  color: var(--text);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 16px 48px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform var(--duration) var(--ease),
              background var(--duration) var(--ease);
}

.contact__submit:hover {
  transform: scale(1.05);
  background: #d994ad;
}

/* ============================================
   Footer
   ============================================ */

.footer {
  background: var(--bg-secondary);
  padding: clamp(4rem, 8vw, 6rem) 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3rem;
  padding-bottom: 4rem;
}

.footer__brand {
  grid-column: 1 / 6;
}

.footer__logo {
  display: inline-block;
  margin-bottom: 1.5rem;
}

.footer__logo img {
  height: 64px;
  width: auto;
  display: block;
}

.footer__mission {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 360px;
}

.footer__columns {
  grid-column: 6 / 13;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer__col h4 {
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 8px;
}

.footer__col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 1px;
  background: var(--accent);
}

.footer__col li {
  margin-bottom: 0.75rem;
}

.footer__col a,
.footer__col li {
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--duration) var(--ease);
}

.footer__col a:hover {
  color: var(--text);
}

.footer__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  font-size: 9px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.footer__legal {
  display: flex;
  gap: 2rem;
}

.footer__legal a {
  color: var(--text-faint);
  transition: color var(--duration) var(--ease);
}

.footer__legal a:hover {
  color: var(--text);
}

/* ============================================
   Scroll Reveal
   ============================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}

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

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    grid-column: 1 / -1;
    order: 2;
    max-width: none;
    text-align: center;
  }

  .hero__brand {
    display: flex;
    justify-content: center;
  }

  .hero__visual {
    grid-column: 1 / -1;
    order: 1;
    max-width: 400px;
    margin-inline: auto;
    justify-self: center;
  }

  .hero__body {
    margin-inline: auto;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .service-card {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .service-card:last-child {
    border-bottom: none;
  }

  .portfolio__header {
    grid-template-columns: 1fr;
  }

  .portfolio-item--offset {
    margin-top: 0;
  }

  .process__grid,
  .about__grid {
    grid-template-columns: 1fr;
  }

  .process__visual,
  .process__content,
  .about__content,
  .about__images {
    grid-column: 1 / -1;
  }

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

  .footer__brand,
  .footer__columns {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --container: calc(100% - 32px);
  }

  .nav__menu,
  .nav__inner > .nav__cta {
    display: none;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__inner {
    grid-template-columns: 1fr auto;
  }

  .portfolio__grid {
    grid-template-columns: 1fr;
  }

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

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

  .contact__fields {
    grid-template-columns: 1fr;
  }

  .about__images {
    grid-template-columns: 1fr;
  }

  .about__image--primary {
    grid-row: auto;
  }

  .hero__scroll {
    display: none;
  }
}

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

  .gallery-marquee__track {
    animation: none;
    flex-wrap: wrap;
    width: 100%;
    justify-content: center;
  }

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