/* ═══════════════════════════════════════════════════════════
   KASRA FARAHANI — PORTFOLIO STYLES
   Typography, sizes, weights matched to toddmartin.co
   ═══════════════════════════════════════════════════════════ */

/* ── 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: 'Helvetica Neue', Arial, sans-serif;
  font-weight: 300;
  background: #000;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  overflow-x: hidden;
}

/* ── LINKS — animated center-out underline ────────────────── */
a {
  color: #fff;
  text-decoration: none;
  position: relative;
  opacity: 0.6;
  transition: opacity 0.3s;
}

a:hover {
  opacity: 1;
}

/* Animated underline from center outward */
a.underline-hover::after,
.desktop-nav a::after,
.rep-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 1px;
  background: #fff;
  transform: translateX(-50%);
  transition: width 0.4s cubic-bezier(0.25,0.8,0.25,1);
}

a.underline-hover:hover::after,
.desktop-nav a:hover::after,
.rep-link:hover::after {
  width: 100%;
}

/* ── HEADER ───────────────────────────────────────────────── */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
  background: transparent;
  transition: background 0.4s;
}

#site-header.scrolled {
  background: rgba(0,0,0,0.85);
}

.site-title {
  font-size: 1.5rem;
  font-weight: 100;
  letter-spacing: 0.1em;
  white-space: nowrap;
  opacity: 1;
}

.site-title::after {
  display: none;
}

.desktop-nav {
  display: flex;
  gap: 2rem;
}

.desktop-nav a {
  font-size: 0.78rem;
  font-weight: 300;
  letter-spacing: 0.05em;
}

.desktop-nav a:hover {
  opacity: 1;
}

/* ── HAMBURGER (mobile) ───────────────────────────────────── */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 200;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1px;
  background: #fff;
  position: absolute;
  left: 0;
  transition: transform 0.25s, opacity 0.25s;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 50%; }
.hamburger span:nth-child(3) { bottom: 0; }

.hamburger.open span:nth-child(1) {
  top: 50%;
  transform: rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  bottom: auto;
  top: 50%;
  transform: rotate(-45deg);
}

/* ── MOBILE NAV OVERLAY ──────────────────────────────────── */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 150;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-overlay nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.mobile-nav-overlay a {
  font-size: 1.5rem;
  font-weight: 100;
  letter-spacing: 0.15em;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  padding-bottom: 0.75rem;
  width: 200px;
  text-align: center;
  opacity: 0.8;
}

.mobile-nav-overlay a::after {
  display: none;
}

/* ── HERO SECTION ─────────────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero-video-container {
  position: absolute;
  inset: 0;
}

.hero-video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.4,0,0.2,1);
}

.hero-video-container video.ready {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.15) 0%,
    rgba(0,0,0,0.0) 40%,
    rgba(0,0,0,0.0) 60%,
    rgba(0,0,0,0.5) 100%
  );
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: absolute;
  bottom: 4rem;
  left: 2rem;
  right: 2rem;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.hero-left {
  display: flex;
  flex-direction: column;
}

.hero-heading {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  opacity: 0.5;
  margin-bottom: 1.2rem;
}

.hero-titles {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.hero-title-item {
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  cursor: pointer;
  opacity: 0.45;
  transition: opacity 0.3s;
  white-space: nowrap;
}

.hero-title-item:hover,
.hero-title-item.active {
  opacity: 1;
}

.hero-title-item .hero-item-subtitle {
  font-weight: 200;
}

.hero-info {
  font-size: 0.66rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-align: right;
  opacity: 0;
  transition: opacity 0.3s;
  line-height: 1.6;
}

.hero-info.visible {
  opacity: 0.6;
}

.hero-scroll-cue {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.66rem;
  font-weight: 300;
  letter-spacing: 0.12em;
  opacity: 0.5;
  transition: opacity 0.3s;
}

.hero-scroll-cue::after {
  display: none;
}

.hero-scroll-cue:hover {
  opacity: 1;
}

.hero-scroll-cue svg {
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

/* ── INDEX SECTION ────────────────────────────────────────── */
.index-section {
  min-height: 100vh;
  padding-top: 5rem;
}

/* Section heading ("SELECTED WORKS", "ABOUT") */
.section-heading {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  opacity: 0.5;
}

/* ── TOOLBAR-RIGHT (search + view toggle) ─────────────────── */
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ── SEARCH ───────────────────────────────────────────────── */
.search-wrap {
  display: flex;
  align-items: center;
  position: relative;
}

.search-toggle {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.3s;
  display: flex;
  align-items: center;
}

.search-toggle:hover {
  color: #fff;
}

.search-input {
  width: 0;
  opacity: 0;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.25);
  background: transparent;
  color: #fff;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0;
  outline: none;
  transition: width 0.3s, opacity 0.3s;
  margin-left: 0.5rem;
}

.search-wrap.open .search-input {
  width: 160px;
  opacity: 1;
}

/* ── VIEW TOGGLE ──────────────────────────────────────────── */
.view-toggle {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.view-btn {
  background: none;
  border: none;
  color: rgba(255,255,255,0.35);
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.3s;
  display: flex;
  align-items: center;
}

.view-btn:hover {
  color: rgba(255,255,255,0.7);
}

.view-btn.active {
  color: #fff;
}

/* ── CATEGORY FILTERS ─────────────────────────────────────── */
.filters {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem 1.5rem;
}

.filters-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.filter-btn {
  background: none;
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0.45;
  transition: opacity 0.3s, transform 0.3s;
  position: relative;
  padding: 0.25rem 0;
}

.filter-btn::after {
  content: '/';
  position: absolute;
  right: -0.6rem;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.3s;
  font-weight: 100;
}

.filter-btn:hover {
  opacity: 1;
  transform: scale(1.05);
}

.filter-btn:hover::after {
  opacity: 0.5;
}

.filter-btn.active {
  opacity: 1;
  font-weight: 500;
}

.filter-btn.active::after {
  opacity: 0;
}

/* Mobile filter toggle */
.filter-toggle {
  display: none;
  background: none;
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  padding: 0.5rem 1rem;
  align-items: center;
  gap: 0.5rem;
}

.filter-toggle svg {
  transition: transform 0.3s;
}

.filter-toggle.open svg {
  transform: rotate(180deg);
}

/* ── PROJECT GRID ─────────────────────────────────────────── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 0;
}

@media (min-width: 1600px) {
  .project-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── PROJECT CARD ─────────────────────────────────────────── */
.project-card {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  background: #111;
}

.project-card.visible {
  animation: cardIn 0.8s cubic-bezier(0.4,0,0.2,1) forwards;
}

@keyframes cardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Thumbnail / poster */
.project-card .card-thumb {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #111;
  transition: opacity 0.5s cubic-bezier(0.4,0,0.2,1);
  z-index: 1;
}

/* Preview video (hover) */
.project-card video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s cubic-bezier(0.4,0,0.2,1);
  z-index: 2;
}

.project-card:hover video.ready {
  opacity: 1;
}

.project-card:hover .card-thumb {
  opacity: 0;
}

/* Card text overlay */
.project-card .card-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: rgba(0,0,0,0.0);
  opacity: 0;
  transition: opacity 0.3s ease, background 0.3s ease;
  padding: 1rem;
}

.project-card:hover .card-overlay {
  opacity: 1;
  background: rgba(0,0,0,0.5);
}

.card-overlay .card-client {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  margin-bottom: 0.2rem;
}

.card-overlay .card-title {
  font-size: 0.63rem;
  font-weight: 200;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

/* ── PROJECT LIST VIEW ────────────────────────────────────── */
.project-list {
  padding: 0 2rem;
}

.list-row {
  display: flex;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s;
}

.list-row.visible {
  animation: rowIn 0.6s cubic-bezier(0.4,0,0.2,1) forwards;
}

@keyframes rowIn {
  to {
    opacity: 0.6;
    transform: translateY(0);
  }
}

.list-row:hover {
  opacity: 1 !important;
}

.list-row .list-client {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  width: 28%;
  flex-shrink: 0;
}

.list-row .list-title {
  font-size: 0.72rem;
  font-weight: 200;
  letter-spacing: 0.05em;
  width: 34%;
  flex-shrink: 0;
}

.list-row .list-category {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  width: 20%;
  flex-shrink: 0;
  opacity: 0.5;
}

.list-row .list-year {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  width: 18%;
  flex-shrink: 0;
  text-align: right;
  opacity: 0.5;
}

/* ── ABOUT SECTION ────────────────────────────────────────── */
.about-section {
  padding: 6rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.about-section .section-heading {
  margin-bottom: 2.5rem;
}

.about-layout {
  display: flex;
  gap: 3rem;
  align-items: flex-start;
}

.about-text {
  flex: 1;
}

.about-text p {
  font-size: 0.72rem;
  font-weight: 300;
  line-height: 1.9;
  text-transform: none;
  letter-spacing: 0.02em;
  margin-bottom: 1.2rem;
  opacity: 0.8;
}

.about-text em {
  font-style: italic;
}

.about-photo {
  width: 320px;
  flex-shrink: 0;
}

.about-photo img {
  width: 100%;
  height: auto;
  display: block;
  filter: grayscale(0%);
}

/* ── CONTACT SECTION ──────────────────────────────────────── */
.contact-section {
  padding: 4rem 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.contact-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 3rem;
}

.contact-col h3 {
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  opacity: 0.9;
}

.contact-col .contact-role {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  opacity: 0.5;
  margin-bottom: 1rem;
  text-transform: none;
}

.contact-col .rep-label {
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  opacity: 0.4;
  margin-bottom: 0.35rem;
  text-transform: none;
}

.rep-link {
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.06em;
  display: inline-block;
}

/* ── SOCIAL ICONS ─────────────────────────────────────────── */
.social-icons {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

.social-icons a {
  display: flex;
  align-items: center;
  opacity: 0.45;
  transition: opacity 0.3s;
}

.social-icons a::after {
  display: none;
}

.social-icons a:hover {
  opacity: 1;
}

.social-icons img {
  width: 1.35rem;
  height: 1.35rem;
  filter: brightness(0) invert(1);
}

/* ── CONTACT FORM ─────────────────────────────────────────── */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.contact-form input,
.contact-form textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  font-family: inherit;
  font-size: 0.66rem;
  font-weight: 300;
  letter-spacing: 0.05em;
  text-transform: none;
  padding: 0.5rem 0;
  outline: none;
  transition: border-color 0.3s;
  resize: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255,255,255,0.3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-bottom-color: rgba(255,255,255,0.5);
}

.form-submit {
  align-self: flex-start;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  font-family: inherit;
  font-size: 0.6rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 1.5rem;
  cursor: pointer;
  transition: background 0.3s, border-color 0.3s;
  margin-top: 0.4rem;
}

.form-submit:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.6);
}

.form-success {
  font-size: 0.66rem;
  font-weight: 300;
  opacity: 0.7;
  letter-spacing: 0.05em;
  text-transform: none;
  margin-top: 0.5rem;
}

/* ── FULLSCREEN PLAYER ────────────────────────────────────── */
.player-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s, visibility 0.4s;
}

.player-overlay.open {
  opacity: 1;
  visibility: visible;
}

.player-overlay video {
  width: 100%;
  height: 100%;
  max-width: 100vw;
  max-height: 100vh;
  object-fit: contain;
}

.player-close {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  z-index: 1010;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  font-weight: 100;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s;
  line-height: 1;
}

.player-overlay.show-controls .player-close {
  opacity: 0.7;
}

.player-close:hover {
  opacity: 1 !important;
}

.player-info {
  position: absolute;
  top: 1.25rem;
  left: 2rem;
  z-index: 1010;
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 0.08em;
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
  white-space: nowrap;
}

.player-overlay.show-controls .player-info {
  opacity: 0.6;
}

/* ── RESPONSIVE ───────────────────────────────────────────── */

/* ── Tablet ── */
@media (max-width: 1024px) {
  .about-layout {
    flex-direction: column-reverse;
  }

  .about-photo {
    width: 240px;
  }

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

  .contact-form-col {
    grid-column: 1 / -1;
  }
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .mobile-nav-overlay {
    display: flex;
  }

  .hero-content {
    flex-direction: column;
    align-items: flex-start;
    bottom: 5rem;
    left: 1.5rem;
    right: 1.5rem;
  }

  .hero-titles {
    align-items: flex-start;
  }

  .hero-info {
    text-align: left;
    margin-top: 1rem;
  }

  /* Filters — mobile dropdown */
  .filters {
    position: relative;
    flex-wrap: wrap;
    padding: 0.75rem 1.5rem 1rem;
  }

  .filters-left {
    flex-wrap: wrap;
  }

  .filter-btn {
    display: none;
  }

  .filters.open .filter-btn {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .filter-toggle {
    display: flex;
  }

  /* Grid */
  .project-grid {
    grid-template-columns: 1fr;
  }

  /* List view mobile */
  .project-list {
    padding: 0 1.5rem;
  }

  .list-row .list-category,
  .list-row .list-year {
    display: none;
  }

  .list-row .list-client {
    width: 45%;
  }

  .list-row .list-title {
    width: 55%;
  }

  /* About */
  .about-section {
    padding: 4rem 1.5rem 3rem;
  }

  .about-photo {
    width: 200px;
  }

  /* Contact */
  .contact-section {
    padding: 3rem 1.5rem;
  }

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

  /* Header padding */
  #site-header {
    padding: 1rem 1.5rem;
  }

  .site-title {
    font-size: 1.15rem;
  }

  /* Search wrap */
  .search-wrap.open .search-input {
    width: 120px;
  }

  /* View toggle stays visible on mobile */
  .view-toggle {
    display: flex;
  }
}

@media (min-width: 769px) and (max-width: 1200px) {
  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ── UTILITY ──────────────────────────────────────────────── */
.hidden {
  display: none !important;
}