/* ============================================
   SHAKED GILBOA — Brand Design System
   Easy to maintain: Change variables below
   to update colors, fonts, spacing globally.
   ============================================ */

/* --- DESIGN TOKENS (edit these to rebrand) --- */
:root {
  /* Colors */
  --color-cream: #F7F4F0;
  --color-sand: #E8DDD3;
  --color-dune: #C4A882;
  --color-terracotta: #B5755A;
  --color-stone: #6B6259;
  --color-charcoal: #2C2825;

  /* Typography */
  --font-heading: 'DM Serif Display', serif;
  --font-body: 'Inter', sans-serif;

  /* Font Sizes (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  --text-xl: clamp(1.75rem, 1.2rem + 2.5vw, 3rem);
  --text-2xl: clamp(2.5rem, 1.5rem + 4vw, 5rem);
  --text-hero: clamp(3rem, 2rem + 5vw, 7rem);

  /* Spacing (base 8px) */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;

  /* Layout */
  --max-width: 1440px;
  --border-thin: 1px solid var(--color-sand);

  /* Transitions */
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --duration-normal: 0.4s;
  --duration-slow: 0.8s;
}

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

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

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

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-charcoal);
  line-height: 1.1;
  font-weight: 400;
}

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }

/* --- UTILITIES --- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

/* --- NAVIGATION --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--duration-normal) var(--ease-smooth);
}

.nav--scrolled {
  background: rgba(247, 244, 240, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: var(--border-thin);
}

.nav__logo {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-charcoal);
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav__link {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  padding-bottom: 2px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-terracotta);
  transition: width var(--duration-normal) var(--ease-smooth);
}

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

/* --- HERO --- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  padding: var(--space-xl) var(--space-lg);
  gap: var(--space-lg);
}

.hero__content {
  padding-right: var(--space-lg);
}

.hero__tagline {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-dune);
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: var(--text-hero);
  color: var(--color-charcoal);
  margin-bottom: var(--space-md);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-stone);
  margin-bottom: var(--space-lg);
  max-width: 480px;
  line-height: 1.5;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-charcoal);
  border-bottom: 1px solid var(--color-charcoal);
  padding-bottom: 4px;
  transition: color var(--duration-normal) var(--ease-smooth),
              border-color var(--duration-normal) var(--ease-smooth);
}

.hero__cta:hover {
  color: var(--color-terracotta);
  border-color: var(--color-terracotta);
}

.hero__cta-arrow {
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.hero__cta:hover .hero__cta-arrow {
  transform: translateX(4px);
}

.hero__visual {
  position: relative;
  height: 75vh;
  overflow: hidden;
}

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

.hero__image-overlay {
  position: absolute;
  bottom: var(--space-md);
  left: var(--space-md);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: white;
  mix-blend-mode: difference;
}

/* --- MARQUEE (statement band) --- */
.marquee {
  padding: var(--space-lg) 0;
  border-top: var(--border-thin);
  border-bottom: var(--border-thin);
  overflow: hidden;
  white-space: nowrap;
}

.marquee__track {
  display: inline-flex;
  animation: marquee 25s linear infinite;
}

.marquee__item {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-charcoal);
  padding: 0 var(--space-lg);
  opacity: 0.15;
}

.marquee__item--accent {
  opacity: 1;
  color: var(--color-terracotta);
}

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

/* --- ABOUT SPLIT --- */
.about {
  display: grid;
  grid-template-columns: 0.4fr 1fr;
  gap: var(--space-lg);
  padding: var(--space-2xl) var(--space-lg);
  align-items: start;
}

.about__label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-dune);
  position: sticky;
  top: var(--space-xl);
}

.about__content {
  max-width: 680px;
}

.about__heading {
  font-size: var(--text-xl);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.about__text {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-stone);
  margin-bottom: var(--space-md);
}

.about__stats {
  display: flex;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: var(--border-thin);
}

.about__stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-charcoal);
  display: block;
}

.about__stat-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dune);
  margin-top: var(--space-xs);
}

/* --- PROJECTS (staggered editorial layout) --- */
.projects {
  padding: var(--space-2xl) var(--space-lg);
}

.projects__header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-bottom: var(--space-xl);
}

.projects__title {
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
}

.projects__count {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-dune);
}

.projects__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-md);
}

.project {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.project:nth-child(2) {
  margin-top: var(--space-xl);
}

.project__image-wrap {
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 5;
}

.project:nth-child(2) .project__image-wrap {
  aspect-ratio: 3 / 4;
}

.project__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-slow) var(--ease-smooth);
}

.project:hover .project__image {
  transform: scale(1.03);
}

.project__info {
  padding: var(--space-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.project__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-charcoal);
}

.project__meta {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dune);
}

/* --- HORIZONTAL SCROLL GALLERY --- */
.gallery {
  padding: var(--space-xl) 0;
  border-top: var(--border-thin);
}

.gallery__label {
  padding: 0 var(--space-lg);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-dune);
  margin-bottom: var(--space-md);
}

.gallery__scroll {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding: 0 var(--space-lg);
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.gallery__scroll::-webkit-scrollbar {
  display: none;
}

.gallery__item {
  flex: 0 0 auto;
  width: 35vw;
  min-width: 300px;
  scroll-snap-align: start;
}

.gallery__item-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: opacity var(--duration-normal) var(--ease-smooth);
}

.gallery__item:hover .gallery__item-image {
  opacity: 0.85;
}

.gallery__item-caption {
  margin-top: var(--space-sm);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-stone);
}

/* --- SERVICES STRIP --- */
.services {
  padding: var(--space-2xl) var(--space-lg);
  border-top: var(--border-thin);
}

.services__heading {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xl);
  letter-spacing: -0.02em;
}

.services__list {
  list-style: none;
}

.services__item {
  display: grid;
  grid-template-columns: 0.3fr 1fr auto;
  align-items: center;
  padding: var(--space-md) 0;
  border-bottom: var(--border-thin);
  transition: padding-left var(--duration-normal) var(--ease-smooth);
}

.services__item:first-child {
  border-top: var(--border-thin);
}

.services__item:hover {
  padding-left: var(--space-sm);
}

.services__item-number {
  font-size: var(--text-xs);
  color: var(--color-dune);
  letter-spacing: 0.1em;
}

.services__item-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-charcoal);
}

.services__item-arrow {
  font-size: var(--text-sm);
  color: var(--color-dune);
  transition: transform var(--duration-normal) var(--ease-smooth);
}

.services__item:hover .services__item-arrow {
  transform: translateX(4px);
  color: var(--color-terracotta);
}

/* --- CONTACT / CTA --- */
.contact {
  padding: var(--space-2xl) var(--space-lg);
  text-align: center;
  background: var(--color-charcoal);
  color: var(--color-cream);
}

.contact__heading {
  font-size: var(--text-2xl);
  color: var(--color-cream);
  margin-bottom: var(--space-sm);
  letter-spacing: -0.03em;
}

.contact__sub {
  font-size: var(--text-base);
  color: var(--color-dune);
  margin-bottom: var(--space-lg);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.contact__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-dune);
  color: var(--color-cream);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  transition: background var(--duration-normal) var(--ease-smooth),
              color var(--duration-normal) var(--ease-smooth);
}

.contact__btn:hover {
  background: var(--color-cream);
  color: var(--color-charcoal);
}

/* --- FOOTER --- */
.footer {
  padding: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: var(--border-thin);
}

.footer__left {
  font-size: var(--text-xs);
  color: var(--color-stone);
}

.footer__right {
  display: flex;
  gap: var(--space-md);
}

.footer__social-link {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-stone);
  transition: color var(--duration-normal) var(--ease-smooth);
}

.footer__social-link:hover {
  color: var(--color-terracotta);
}

/* --- SCROLL REVEAL ANIMATION --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-smooth),
              transform var(--duration-slow) var(--ease-smooth);
}

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

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: var(--space-xl) var(--space-md);
  }

  .hero__visual {
    height: 50vh;
  }

  .about {
    grid-template-columns: 1fr;
    padding: var(--space-xl) var(--space-md);
  }

  .about__label {
    position: static;
    margin-bottom: var(--space-sm);
  }

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

  .project:nth-child(2) {
    margin-top: 0;
  }

  .services__item {
    grid-template-columns: auto 1fr auto;
    gap: var(--space-sm);
  }
}

@media (max-width: 768px) {
  .nav {
    padding: var(--space-sm) var(--space-md);
  }

  .nav__links {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: var(--space-xl);
  }

  .about__stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .gallery__item {
    width: 75vw;
  }

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