/* =============================================
   ALI FAQIHI — PORTFOLIO
   alifaqihi.com
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Geist+Mono:ital,wght@0,100..900;1,100..900&family=Geist:wght@100..900&family=Lateef:wght@200;300;400;500;600;700;800&family=Open+Sans:ital,wght@0,300..800;1,300..800&display=swap');

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

:root {
  --black: #0a0a0a;
  --white: #f5f5f0;
  --gray: #999;
  --accent: #1a1aff;
  --line: 1px solid #0a0a0a;
  --surface: #e0e0d8;
  --surface-alt: #ffffff;
  --hover-bg: #0a0a0a;
  --hover-text: #f5f5f0;
  --font-display: 'Geist Mono', sans-serif;
  --font-mono: 'Geist Mono', monospace;
  --font-body: 'Geist Mono', sans-serif;
}

:root[data-theme="dark"] {
  --black: #f5f5f0;
  --white: #0a0a0a;
  --gray: #c4c4c2;
  --accent: #5a82ff;
  --line: 1px solid rgba(255, 255, 255, 0.08);
  --surface: #141414;
  --surface-alt: #0f0f0f;
  --hover-bg: #f5f5f0;
  --hover-text: #0a0a0a;
}

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

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.5;
  cursor: none;
  overflow-x: hidden;
}

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

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

/* --- CUSTOM CURSOR --- */
.cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--black);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s;
}

.cursor.hover {
  width: 48px;
  height: 48px;
  background: var(--accent);
  mix-blend-mode: multiply;
}

/* --- HOVER IMAGE PREVIEW (cursor-following) --- */
.preview-image {
  position: fixed;
  width: 280px;
  height: 180px;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.92);
  transition: opacity 0.25s ease, transform 0.25s ease;
  overflow: hidden;
}

.preview-image.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- NAV --- */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  background: var(--surface-alt);
  border-bottom: var(--line);
  mix-blend-mode: normal;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.theme-toggle {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  background: transparent;
  border: var(--line);
  padding: 10px 16px;
  cursor: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.theme-toggle:hover {
  color: var(--black);
  border-color: var(--black);
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--black);
  transition: width 0.2s;
}

.project-item:hover {
  background: var(--hover-bg);
}

.project-item:hover .project-number,
.project-item:hover .project-title,
.project-item:hover .project-meta,
.project-item:hover .project-arrow {
  color: var(--hover-text);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--black);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* --- PAGE WRAPPER --- */
.page {
  display: none;
  padding-top: 61px;
  min-height: 100vh;
}

.page.active {
  display: block;
}

/* =============================================
   HOME / WORK PAGE
   ============================================= */

.work-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 48px 40px 24px;
  border-bottom: var(--line);
}

.work-header-left {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.work-header-right {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

/* --- PROJECT LIST --- */
.project-list {
  list-style: none;
}

.project-item {
  border-bottom: var(--line);
  transition: background 0.15s;
}

.project-item:hover {
  background: var(--hover-bg);
}

.project-item:hover .project-number,
.project-item:hover .project-title,
.project-item:hover .project-meta,
.project-item:hover .project-arrow {
  color: var(--hover-text);
}

.project-link {
  display: grid;
  grid-template-columns: 64px 1fr auto 32px;
  align-items: center;
  padding: 28px 40px;
  gap: 24px;
  cursor: none;
}

.project-number {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 0.05em;
  transition: color 0.15s;
}

.project-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 72px);
  letter-spacing: 0.02em;
  line-height: 1;
  transition: color 0.15s;
}

.project-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  text-align: right;
  transition: color 0.15s;
  white-space: nowrap;
}

.project-arrow {
  font-size: 20px;
  transition: color 0.15s, transform 0.2s;
  color: var(--gray);
  text-align: right;
}

.project-item:hover .project-arrow {
  transform: rotate(-45deg);
}

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

#page-project {
  display: none;
}

#page-project.active {
  display: block;
}

.project-detail-header {
  padding: 60px 40px 48px;
  border-bottom: var(--line);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 40px;
}

.project-detail-title {
  font-family: var(--font-display);
  font-size: clamp(60px, 10vw, 140px);
  letter-spacing: 0.01em;
  line-height: 0.9;
}

.project-detail-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
  padding-bottom: 8px;
}

.project-detail-info span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

.project-detail-tags {
  display: flex;
  gap: 8px;
  padding: 20px 40px;
  border-bottom: var(--line);
  flex-wrap: wrap;
}

.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border: var(--line);
  color: var(--gray);
}

.project-detail-cover {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--surface);
}

.project-detail-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: var(--line);
}

.project-description {
  padding: 60px 40px;
  border-right: var(--line);
}

.project-description p {
  font-size: 18px;
  font-weight: 300;
  line-height: 1.7;
  max-width: 480px;
}

.project-images-grid {
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.project-images-grid .img-wrapper {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--surface);
}

.project-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 32px 40px;
  border-top: var(--line);
}

.project-nav-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  cursor: none;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 12px;
  background: none;
  border: none;
}

.project-nav-btn:hover {
  color: var(--black);
}

.project-nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gray);
  text-transform: uppercase;
  cursor: none;
  transition: color 0.2s;
  background: none;
  border: none;
}

.project-nav-index:hover {
  color: var(--black);
}

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 61px);
}

.about-left {
  padding: 80px 40px;
  border-right: var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.about-name {
  font-family: var(--font-display);
  font-size: clamp(60px, 8vw, 120px);
  line-height: 0.9;
  letter-spacing: 0.01em;
}

.about-role {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 24px;
}

.about-socials {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: auto;
  padding-top: 60px;
}

.about-socials a {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 12px;
}

.about-socials a::before {
  content: '↗';
  font-size: 14px;
}

.about-socials a:hover {
  color: var(--black);
}

.about-right {
  padding: 80px 40px;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.about-bio {
  font-size: 20px;
  font-weight: 300;
  line-height: 1.7;
  max-width: 520px;
}

.about-section-title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 20px;
}

.about-services {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-service-item {
  padding: 16px 0;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.about-service-item:last-child {
  border-bottom: var(--line);
}

/* =============================================
   CONTACT PAGE
   ============================================= */

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - 61px);
}

.contact-left {
  padding: 80px 40px;
  border-right: var(--line);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(60px, 8vw, 120px);
  line-height: 0.9;
}

.contact-email-block {
  margin-top: auto;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 12px;
}

.contact-email {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  transition: color 0.2s;
  display: block;
}

.contact-email:hover {
  color: var(--accent);
}

.contact-right {
  padding: 80px 40px;
  display: flex;
  flex-direction: column;
  gap: 60px;
}

.contact-info-block {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.contact-info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 16px 0;
  border-top: var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.contact-info-row:last-child {
  border-bottom: var(--line);
}

.contact-info-row .label {
  text-transform: uppercase;
  color: var(--gray);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.contact-info-row .value {
  color: var(--black);
}

.contact-info-row a.value {
  transition: color 0.2s;
}

.contact-info-row a.value:hover {
  color: var(--accent);
}

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

footer {
  border-top: var(--line);
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

footer span {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
}

/* =============================================
   RESPONSIVE
   ============================================= */

@media (max-width: 768px) {
  nav {
    padding: 16px 20px;
  }

  .nav-links {
    gap: 20px;
  }

  .work-header {
    padding: 32px 20px 16px;
  }

  .project-link {
    grid-template-columns: 40px 1fr auto;
    padding: 20px;
    gap: 12px;
  }

  .project-arrow {
    display: none;
  }

  .project-detail-header {
    padding: 40px 20px 32px;
    grid-template-columns: 1fr;
  }

  .project-detail-info {
    align-items: flex-start;
    flex-direction: row;
    gap: 20px;
  }

  .project-detail-tags {
    padding: 16px 20px;
  }

  .project-detail-body {
    grid-template-columns: 1fr;
  }

  .project-description {
    padding: 40px 20px;
    border-right: none;
    border-bottom: var(--line);
  }

  .project-images-grid {
    padding: 40px 20px;
  }

  .project-nav {
    padding: 24px 20px;
  }

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

  .about-left {
    padding: 40px 20px;
    border-right: none;
    border-bottom: var(--line);
  }

  .about-right {
    padding: 40px 20px;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .contact-left {
    padding: 40px 20px;
    border-right: none;
    border-bottom: var(--line);
    min-height: auto;
  }

  .contact-right {
    padding: 40px 20px;
  }

  footer {
    padding: 16px 20px;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .preview-image {
    display: none;
  }

  body {
    cursor: auto;
  }

  .cursor {
    display: none;
  }
}

/* =============================================
   PDF DOWNLOAD — پورتفولیو
   ============================================= */

/* دکمه پایین لیست پورتفولیو */
.portfolio-pdf-row {
  border-top: var(--line);
  border-bottom: var(--line);
  padding: 20px 40px;
  display: flex;
  align-items: center;
}

.portfolio-pdf-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  border: var(--line);
  border-color: var(--gray);
  padding: 8px 20px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  cursor: none;
}

.portfolio-pdf-btn:hover {
  color: var(--hover-text);
  background: var(--hover-bg);
  border-color: var(--hover-bg);
}

/* لینک PDF توی about */
.about-pdf-link {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: none;
}

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

/* =============================================
   PROJECT NAV — فلش‌های بهبودیافته
   ============================================= */

.project-nav-btn {
  display: flex;
  align-items: center;
  gap: 10px;
}

.project-nav-btn--right {
  flex-direction: row-reverse;
}

.nav-arrow {
  font-size: 18px;
  transition: transform 0.2s;
}

.project-nav-btn:hover .nav-arrow {
  color: var(--black);
}

#detail-prev:hover .nav-arrow {
  transform: translateX(-4px);
}

#detail-next:hover .nav-arrow {
  transform: translateX(4px);
}

.nav-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 768px) {
  .portfolio-pdf-row {
    padding: 16px 20px;
  }
  .nav-label {
    display: none;
  }
}

/* =============================================
   FEATURED ROW — ردیف بنر ویژه
   ============================================= */

.featured-item {
  border-bottom: var(--line);
}

.featured-banner {
  width: 100%;
  height: 420px;
  background-size: cover;
  background-position: center;
  background-color: #1a1a1a;
  display: flex;
  align-items: flex-end;
  padding: 32px 40px;
  cursor: none;
  position: relative;
  transition: opacity 0.2s;
}

.featured-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 60%);
  pointer-events: none;
}

.featured-btn {
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 22px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--black);
  border: none;
  padding: 10px 24px;
  cursor: none;
  position: relative;
  z-index: 1;
  transition: background 0.2s, color 0.2s;
}

.featured-btn .featured-icon {
  font-size: 1.8em;
  line-height: 1;
  margin-right: 0.16em;
  vertical-align: middle;
}

.featured-btn:hover {
  background: var(--white);
  color: var(--black);
}

/* =============================================
   FEATURE PAGE — صفحه اختصاصی featured
   ============================================= */

.feature-banner {
  width: 100%;
  height: 60vh;
  min-height: 400px;
  background-size: cover;
  background-position: center;
  background-color: #1a1a1a;
}

.feature-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: var(--line);
}

.feature-content-left {
  padding: 60px 40px;
  border-right: var(--line);
  position: sticky;
  top: 61px;
  align-self: start;
}

.feature-headline {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 100px);
  line-height: 0.95;
  letter-spacing: 0.01em;
}

.feature-subtitle {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-top: 20px;
}

.feature-content-right {
  padding: 60px 40px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.feature-block {
  border-top: var(--line);
  padding-top: 20px;
}

.feature-body {
  font-size: 17px;
  font-weight: 300;
  line-height: 1.7;
}

.feature-link-row {
  border-top: var(--line);
  padding-top: 24px;
}

.feature-ext-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  border: var(--line);
  padding: 10px 24px;
  display: inline-block;
  transition: background 0.2s, color 0.2s;
  cursor: none;
}

.feature-ext-link:hover {
  background: var(--black);
  color: var(--white);
}

@media (max-width: 768px) {
  .featured-banner {
    height: 260px;
    padding: 20px;
  }
  .feature-banner {
    height: 40vh;
    min-height: 240px;
  }
  .feature-content {
    grid-template-columns: 1fr;
  }
  .feature-content-left {
    padding: 40px 20px;
    border-right: none;
    border-bottom: var(--line);
    position: static;
  }
  .feature-content-right {
    padding: 40px 20px;
  }
}