/* =============================================
   JUAN RENDÓN — PORTFOLIO
   Minimal, white, editorial
   ============================================= */

:root {
  --white: #ffffff;
  --black: #0a0a0a;
  --grey-light: #f4f4f2;
  --grey-mid: #e0e0dc;
  --grey-text: #888880;
  --accent: #0a0a0a;
  --font-display: 'Cormorant Garamond', serif;
  --font-mono: 'DM Mono', monospace;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-mono);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =============================================
   HEADER
   ============================================= */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2.5rem;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--grey-mid);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: opacity var(--transition);
}

.logo:hover {
  opacity: 0.5;
}

nav {
  display: flex;
  gap: 2rem;
}

nav a {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
  transition: color var(--transition);
}

nav a:hover {
  color: var(--black);
}

/* =============================================
   LANDING GRID
   ============================================= */

main.grid {
  padding-top: 5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

@media (max-width: 1024px) {
  main.grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  main.grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   PROJECT CARD
   ============================================= */

.project-card {
  display: block;
  position: relative;
  border-right: 1px solid var(--grey-mid);
  border-bottom: 1px solid var(--grey-mid);
  overflow: hidden;
  cursor: pointer;
}

.project-card:nth-child(3n) {
  border-right: none;
}

.project-img {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--grey-light);
  overflow: hidden;
  position: relative;
}

.project-img img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.project-card:hover .project-img img {
  transform: scale(1.04);
}

.project-info {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  border-top: 1px solid var(--grey-mid);
}

.project-card h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 400;
  line-height: 1.2;
  transition: opacity var(--transition);
}

.project-card:hover h2 {
  opacity: 0.5;
}

.project-tags {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-text);
}

/* =============================================
   PROJECT PAGE
   ============================================= */

main.project {
  padding-top: 6rem;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  padding-bottom: 6rem;
}

.project-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--grey-mid);
}

@media (max-width: 768px) {
  .project-header {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.project-header-left h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 300;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.project-header-left .tags {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
}

.project-header-right {
  font-size: 0.95rem;
  line-height: 1.8;
  color: #444;
}

/* =============================================
   GALLERY
   ============================================= */

.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.gallery.full {
  grid-template-columns: 1fr;
}

.gallery.three {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .gallery,
  .gallery.three {
    grid-template-columns: 1fr;
  }
}

.gallery-item {
  background: var(--grey-light);
  overflow: hidden;
}

.gallery-item.tall {
}

.gallery-item.wide {
  grid-column: span 2;
}

.gallery-item img {
  width: 100%;
  height: auto;
  object-fit: unset;
  transition: transform 0.5s var(--transition);
}

.gallery-item:hover img {
  transform: scale(1.02);
}

/* =============================================
   PROJECT TEXT SECTIONS
   ============================================= */

.project-section {
  margin-top: 4rem;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--grey-mid);
}

@media (max-width: 768px) {
  .project-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

.section-label {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-text);
  padding-top: 0.25rem;
}

.section-content {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #333;
}

.section-content p + p {
  margin-top: 1.2rem;
}

/* =============================================
   QUOTE / TESTIMONIAL
   ============================================= */

.quote-block {
  margin-top: 4rem;
  padding: 3rem;
  background: var(--grey-light);
  border-left: 2px solid var(--black);
}

.quote-block blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-style: italic;
  font-weight: 300;
  line-height: 1.6;
  color: var(--black);
  margin-bottom: 1.5rem;
}

.quote-block cite {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-text);
  font-style: normal;
}

/* =============================================
   BACK NAVIGATION
   ============================================= */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
  margin-bottom: 3rem;
  transition: color var(--transition);
}

.back-link:hover {
  color: var(--black);
}

.back-link::before {
  content: '←';
  font-size: 0.9rem;
}

/* =============================================
   NEXT PROJECT
   ============================================= */

.next-project {
  margin-top: 6rem;
  padding-top: 3rem;
  border-top: 1px solid var(--grey-mid);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.next-project span {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--grey-text);
}

.next-project a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 300;
  transition: opacity var(--transition);
}

.next-project a:hover {
  opacity: 0.4;
}

/* =============================================
   ABOUT PAGE
   ============================================= */

main.about {
  padding-top: 8rem;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 2.5rem;
  padding-right: 2.5rem;
  padding-bottom: 8rem;
}

.about-intro {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 300;
  line-height: 1.3;
  margin-bottom: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--grey-mid);
}

.about-body {
  font-size: 0.95rem;
  line-height: 1.9;
  color: #333;
}

.about-body p + p {
  margin-top: 1.5rem;
}

/* =============================================
   FOOTER
   ============================================= */

footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2.5rem;
  border-top: 1px solid var(--grey-mid);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--grey-text);
}

footer a {
  transition: color var(--transition);
}

footer a:hover {
  color: var(--black);
}

/* =============================================
   PAGE LOAD ANIMATION
   ============================================= */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-card {
  animation: fadeUp 0.5s ease forwards;
  opacity: 0;
}

.project-card:nth-child(1)  { animation-delay: 0.05s; }
.project-card:nth-child(2)  { animation-delay: 0.10s; }
.project-card:nth-child(3)  { animation-delay: 0.15s; }
.project-card:nth-child(4)  { animation-delay: 0.20s; }
.project-card:nth-child(5)  { animation-delay: 0.25s; }
.project-card:nth-child(6)  { animation-delay: 0.30s; }
.project-card:nth-child(7)  { animation-delay: 0.35s; }
.project-card:nth-child(8)  { animation-delay: 0.40s; }
.project-card:nth-child(9)  { animation-delay: 0.45s; }
.project-card:nth-child(10) { animation-delay: 0.50s; }
.project-card:nth-child(11) { animation-delay: 0.55s; }
.project-card:nth-child(12) { animation-delay: 0.60s; }
.project-card:nth-child(13) { animation-delay: 0.65s; }

main.project,
main.about {
  animation: fadeUp 0.6s ease forwards;
}

/* =============================================
   PROJECT NAVIGATION (PREV / NEXT)
   ============================================= */

.project-nav {
  margin-top: 6rem;
  padding-top: 3rem;
  border-top: 1px solid var(--grey-mid);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-nav-prev,
.project-nav-next {
  font-size: 1.05rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-text);
  transition: color var(--transition);
}

.project-nav-prev:hover,
.project-nav-next:hover {
  color: var(--black);
}