/* ============================================
   FORMA - Design Event Landing Page
   Aesthetic: Minimalist, Melancholic, Scandinavian
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
  /* Colors - Muted, warm palette */
  --color-bg: #F5F3F0;
  --color-bg-alt: #EBE8E4;
  --color-bg-dark: #E2DED9;
  --color-text: #2C2C2C;
  --color-text-muted: #6B6661;
  --color-text-light: #8A8580;
  --color-accent: #9C6B5A;
  --color-accent-hover: #7A5447;
  --color-border: #D4CFC9;
  --color-white: #FDFCFB;
  
  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 10rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Subtle grain texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.03;
  z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

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

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

ul, ol {
  list-style: none;
}

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

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* ---------- Layout ---------- */
.main {
  min-height: 100vh;
}

/* ---------- Header ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, var(--color-bg) 0%, transparent 100%);
  padding: var(--space-md) 0;
}

.header__container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo-text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header__nav {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.header__nav-list {
  display: flex;
  gap: var(--space-lg);
}

.header__nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  position: relative;
}

.header__nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-text);
  transition: width var(--transition-base);
}

.header__nav-link:hover,
.header__nav-link.is-active {
  color: var(--color-text);
}

.header__nav-link.is-active::after {
  width: 100%;
}

.header__lang {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.header__lang-link {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.header__lang-link:hover,
.header__lang-link.is-active {
  color: var(--color-text);
}

.header__lang-divider {
  color: var(--color-border);
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: var(--space-xs);
}

.header__menu-bar {
  width: 24px;
  height: 1px;
  background: var(--color-text);
  transition: transform var(--transition-base);
}

/* ---------- Hero Section (Home) ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: var(--space-3xl) var(--space-lg);
}

.hero__container {
  max-width: 1000px;
  width: 100%;
  text-align: center;
}

.hero__content {
  animation: fadeInUp 1s ease forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__title {
  margin-bottom: var(--space-lg);
}

.hero__title-main {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 10rem);
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--color-text);
}

.hero__title-tagline {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

.hero__subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 500px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.hero__meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

.hero__divider {
  color: var(--color-border);
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  animation: fadeIn 1s ease 0.5s forwards;
  opacity: 0;
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

.hero__scroll-text {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
}

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

@keyframes scrollPulse {
  0%, 100% {
    transform: scaleY(1);
    opacity: 1;
  }
  50% {
    transform: scaleY(0.6);
    opacity: 0.5;
  }
}

/* ---------- Intro Section ---------- */
.intro {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-bg-alt);
}

.intro__container {
  max-width: 800px;
  margin: 0 auto;
}

.intro__content {
  text-align: center;
}

.intro__title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 300;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
}

.intro__text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.intro__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: gap var(--transition-base);
}

.intro__link:hover {
  gap: var(--space-md);
}

.intro__link-arrow {
  transition: transform var(--transition-base);
}

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

/* ---------- Preview Section ---------- */
.preview {
  padding: var(--space-3xl) var(--space-lg);
}

.preview__container {
  max-width: 1200px;
  margin: 0 auto;
}

.preview__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.preview__title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 300;
  margin-bottom: var(--space-sm);
}

.preview__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

.preview__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 300px);
  gap: var(--space-md);
}

.preview__item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--color-bg-dark);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.preview__item:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.preview__item--tall {
  grid-row: span 2;
}

.preview__item--wide {
  grid-column: span 2;
}

.preview__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-bg-alt) 100%);
}

.preview__placeholder-icon {
  font-size: 3rem;
  color: var(--color-text-light);
  opacity: 0.3;
}

.preview__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.preview__item:hover .preview__image {
  transform: scale(1.05);
}

/* ---------- Callout Section ---------- */
.callout {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-text);
  color: var(--color-bg);
}

.callout__container {
  max-width: 900px;
  margin: 0 auto;
}

.callout__content {
  text-align: center;
}

.callout__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 300;
  font-style: italic;
  line-height: 1.4;
  margin-bottom: var(--space-xl);
  color: var(--color-bg-alt);
}

.callout__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.callout__cta:hover {
  background: var(--color-white);
  gap: var(--space-md);
}

.callout__cta-arrow {
  transition: transform var(--transition-base);
}

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

/* ---------- Page Hero (About/Collaborate) ---------- */
.page-hero {
  padding: var(--space-3xl) var(--space-lg) var(--space-2xl);
  text-align: center;
}

.page-hero__container {
  max-width: 800px;
  margin: 0 auto;
}

.page-hero__title {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 300;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s ease forwards;
  opacity: 0;
}

.page-hero__subtitle {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  animation: fadeInUp 0.8s ease 0.2s forwards;
  opacity: 0;
}

/* ---------- Concept Section ---------- */
.concept {
  padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
}

.concept__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.concept__title {
  font-size: 2rem;
  font-weight: 300;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.concept__text p {
  font-size: 1.125rem;
  line-height: 1.9;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.concept__text p:last-child {
  margin-bottom: 0;
}

.concept__visual {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept__shape {
  position: absolute;
  background: var(--color-bg-dark);
  border-radius: var(--radius-sm);
}

.concept__shape--1 {
  width: 200px;
  height: 280px;
  transform: rotate(-5deg);
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-border) 100%);
}

.concept__shape--2 {
  width: 160px;
  height: 220px;
  transform: translate(60px, 40px) rotate(3deg);
  background: var(--color-text);
  opacity: 0.1;
}

.concept__shape--3 {
  width: 120px;
  height: 120px;
  transform: translate(-80px, -60px);
  background: var(--color-accent);
  opacity: 0.15;
  border-radius: 50%;
}

.concept__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* ---------- Details Section ---------- */
.details {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-alt);
}

.details__container {
  max-width: 900px;
  margin: 0 auto;
}

.details__title {
  font-size: 2rem;
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.details__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.details__item {
  padding: var(--space-lg);
  background: var(--color-bg);
  border-radius: var(--radius-md);
}

.details__item--wide {
  grid-column: span 2;
}

.details__label {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.details__value {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
}

/* ---------- Manifesto Section ---------- */
.manifesto {
  padding: var(--space-3xl) var(--space-lg);
}

.manifesto__container {
  max-width: 800px;
  margin: 0 auto;
}

.manifesto__title {
  font-size: 2rem;
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.manifesto__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.manifesto__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.manifesto__item:last-child {
  border-bottom: none;
}

.manifesto__number {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.manifesto__text {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  font-style: italic;
  line-height: 1.4;
}

/* ---------- About CTA Section ---------- */
.about-cta {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-alt);
}

.about-cta__container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-cta__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  transition: gap var(--transition-base);
}

.about-cta__link:hover {
  gap: var(--space-md);
}

.about-cta__link svg {
  transition: transform var(--transition-base);
}

.about-cta__link:hover svg {
  transform: translateX(4px);
}

/* ---------- Collaborate Intro ---------- */
.collab-intro {
  padding: 0 var(--space-lg) var(--space-2xl);
}

.collab-intro__container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.collab-intro__text {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ---------- Ways Section ---------- */
.ways {
  padding: var(--space-2xl) var(--space-lg) var(--space-3xl);
  background: var(--color-bg-alt);
}

.ways__container {
  max-width: 1100px;
  margin: 0 auto;
}

.ways__title {
  font-size: 2rem;
  font-weight: 300;
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.ways__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.ways__card {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.ways__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
}

.ways__card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  color: var(--color-accent);
}

.ways__card-title {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: var(--space-md);
}

.ways__card-text {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ---------- Workshop Notice Section ---------- */
.workshop-notice {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-alt);
}

.workshop-notice__container {
  max-width: 800px;
  margin: 0 auto;
}

.workshop-notice__content {
  padding: var(--space-xl);
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.workshop-notice__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-md);
  color: var(--color-accent);
  background: rgba(156, 107, 90, 0.1);
  border-radius: 50%;
}

.workshop-notice__title {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.workshop-notice__text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: var(--space-3xl) var(--space-lg);
  background: var(--color-text);
  color: var(--color-bg);
}

.cta-section__container {
  max-width: 700px;
  margin: 0 auto;
}

.cta-section__content {
  text-align: center;
}

.cta-section__title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 300;
  margin-bottom: var(--space-md);
  color: var(--color-bg-alt);
}

.cta-section__text {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
}

.cta-section__button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-text);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.cta-section__button:hover {
  background: var(--color-white);
  gap: var(--space-md);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.cta-section__button svg {
  transition: transform var(--transition-base);
}

.cta-section__button:hover svg {
  transform: translateX(4px);
}

/* ---------- Footer ---------- */
.footer {
  padding: var(--space-2xl) var(--space-lg);
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-lg);
  align-items: center;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer__tagline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__info {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__location,
.footer__date {
  display: block;
}

.footer__bottom {
  text-align: right;
}

.footer__copyright {
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .concept__container {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .concept__visual {
    order: -1;
    height: 300px;
  }
  
  .ways__grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
  }
  
  .header__nav {
    display: none;
  }
  
  .header__menu-toggle {
    display: flex;
  }
  
  .preview__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }
  
  .preview__item--tall,
  .preview__item--wide {
    grid-row: auto;
    grid-column: auto;
  }
  
  .preview__item {
    height: 250px;
  }
  
  .details__grid {
    grid-template-columns: 1fr;
  }
  
  .details__item--wide {
    grid-column: auto;
  }
  
  .workshop-notice__content {
    padding: var(--space-lg);
  }
  
  .workshop-notice__title {
    font-size: 1.25rem;
  }
  
  .workshop-notice__text {
    font-size: 0.9375rem;
  }
  
  .footer__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-md);
  }
  
  .footer__brand,
  .footer__bottom {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero__meta {
    flex-direction: column;
    gap: var(--space-xs);
  }
  
  .hero__divider {
    display: none;
  }
  
  .manifesto__item {
    flex-direction: column;
    gap: var(--space-sm);
  }
  
  .manifesto__text {
    font-size: 1.25rem;
  }
}

/* ---------- Page-specific Adjustments ---------- */
.page-home .header {
  background: transparent;
}

.page-about .main,
.page-collaborate .main {
  padding-top: 80px;
}