/* ============================================================
   Safa Othman — FEATURES
   Projects · Auth modal · Language switcher · RTL
   ============================================================ */

/* ------------------------------------------------------------
   LANGUAGE SWITCHER
   ------------------------------------------------------------ */
.lang {
  position: relative;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-1);
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 100px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.lang-btn:hover { border-color: var(--accent); color: var(--accent); }
.lang-btn svg { width: 16px; height: 16px; }
.lang-btn .chev { transition: transform 0.3s var(--ease); width: 14px; height: 14px; }
.lang.open .lang-btn .chev { transform: rotate(180deg); }

.lang-menu {
  position: absolute;
  top: calc(100% + 10px);
  inset-inline-end: 0;
  min-width: 180px;
  background: rgba(17, 20, 24, 0.92);
  backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  transform-origin: top var(--menu-x, right);
  pointer-events: none;
  transition: opacity 0.28s var(--ease-expo), transform 0.28s var(--ease-expo);
  z-index: 120;
  box-shadow: 0 24px 60px -24px rgba(0,0,0,0.8);
}
.lang.open .lang-menu { opacity: 1; transform: none; pointer-events: auto; }
.lang-opt {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 13px;
  border-radius: 9px;
  color: var(--fg-2);
  font-size: 14px;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
  text-align: start;
}
.lang-opt:hover { background: var(--ink-700); color: var(--fg-1); }
.lang-opt .native { font-weight: 600; }
.lang-opt .en { margin-inline-start: auto; font-family: var(--font-mono); font-size: 11px; color: var(--fg-4); }
.lang-opt .tick { width: 16px; height: 16px; color: var(--accent); opacity: 0; }
.lang-opt.active { color: var(--fg-1); background: var(--ink-700); }
.lang-opt.active .tick { opacity: 1; }
.lang-opt.active .en { color: var(--accent); }

/* ------------------------------------------------------------
   NAV sign-in (text button)
   ------------------------------------------------------------ */
.nav-signin {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-1);
  padding: 9px 8px;
  transition: color 0.2s var(--ease);
  white-space: nowrap;
}
.nav-signin:hover { color: var(--accent); }

/* ------------------------------------------------------------
   PROJECTS
   ------------------------------------------------------------ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--sp-7);
}
.filter-chip {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 100px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.filter-chip:hover { color: var(--fg-1); border-color: var(--fg-3); }
.filter-chip.active {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--ink-850);
  cursor: pointer;
  transition: transform 0.5s var(--ease-expo), border-color 0.4s var(--ease), opacity 0.45s var(--ease-expo);
  will-change: transform;
  display: flex;
  flex-direction: column;
}
.project-card:hover { transform: translateY(-6px); border-color: var(--line); }
.project-card.hide {
  display: none;
}
.project-card[data-enabled="false"] { display: none !important; }
.project-thumb {
  position: relative;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: radial-gradient(120% 100% at 50% 0%, var(--ink-700), var(--ink-850));
}
.project-thumb image-slot { width: 100%; height: 100%; transition: transform 0.7s var(--ease-expo); }
.project-card:hover .project-thumb image-slot { transform: scale(1.06); }
.project-cat {
  position: absolute;
  top: 14px; inset-inline-start: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-1);
  background: rgba(8,9,11,0.6);
  border: 1px solid var(--line);
  padding: 5px 11px;
  border-radius: 100px;
  z-index: 3;
  backdrop-filter: blur(6px);
}
.project-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(0deg, rgba(8,9,11,0.85), transparent 55%);
  opacity: 0;
  transition: opacity 0.4s var(--ease);
  display: flex;
  align-items: flex-end;
  padding: 18px;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-open {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 9px 14px;
  border-radius: 100px;
  transform: translateY(10px);
  transition: transform 0.4s var(--ease-expo);
}
.project-card:hover .project-open { transform: none; }
.project-open svg { width: 15px; height: 15px; }
.project-meta {
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.project-meta h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.project-meta p { color: var(--fg-2); font-size: 14.5px; flex: 1; }
.project-stack { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.project-stack span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
}

/* ------------------------------------------------------------
   MODAL SYSTEM (auth + project lightbox)
   ------------------------------------------------------------ */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ease);
}
.modal-root.open { opacity: 1; pointer-events: auto; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 6, 8, 0.7);
  backdrop-filter: blur(10px);
}
.modal-card {
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--sp-7);
  box-shadow: 0 40px 100px -30px rgba(0,0,0,0.9);
  transform: translateY(18px) scale(0.96);
  opacity: 0;
  transition: transform 0.45s var(--ease-expo), opacity 0.45s var(--ease-expo);
  max-height: calc(100vh - 48px);
  overflow-y: auto;
}
.modal-root.open .modal-card { transform: none; opacity: 1; }
.modal-close {
  position: absolute;
  top: 16px; inset-inline-end: 16px;
  width: 38px; height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--fg-2);
  display: grid; place-items: center;
  transition: all 0.25s var(--ease);
}
.modal-close:hover { border-color: var(--accent); color: var(--accent); transform: rotate(90deg); }
.modal-close svg { width: 18px; height: 18px; }

/* AUTH */
.auth-head { text-align: center; margin-bottom: var(--sp-6); }
.auth-mark {
  width: 48px; height: 48px;
  border-radius: 13px;
  background: var(--accent);
  color: var(--accent-ink);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  margin: 0 auto var(--sp-4);
}
.auth-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 27px;
  letter-spacing: -0.02em;
}
.auth-sub { color: var(--fg-3); font-size: 14.5px; margin-top: 6px; }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--ink-900);
  border: 1px solid var(--line-soft);
  border-radius: 100px;
  padding: 4px;
  margin-bottom: var(--sp-6);
  position: relative;
}
.auth-tab {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
  padding: 10px;
  border-radius: 100px;
  z-index: 2;
  transition: color 0.3s var(--ease);
}
.auth-tab.active { color: var(--accent-ink); }
.auth-tab-pill {
  position: absolute;
  top: 4px; bottom: 4px;
  inset-inline-start: 4px;
  width: calc(50% - 4px);
  background: var(--accent);
  border-radius: 100px;
  z-index: 1;
  transition: transform 0.4s var(--ease-expo);
}
.auth-tabs[data-mode="signup"] .auth-tab-pill { transform: translateX(100%); }
[dir="rtl"] .auth-tabs[data-mode="signup"] .auth-tab-pill { transform: translateX(-100%); }

.social-row { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--sp-5); }
.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--ink-850);
  color: var(--fg-1);
  font-size: 14.5px;
  font-weight: 500;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}
.social-btn:hover { border-color: var(--fg-3); background: var(--ink-700); transform: translateY(-1px); }
.social-btn svg, .social-btn img { width: 19px; height: 19px; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: var(--sp-5) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.auth-divider::before, .auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-soft);
}

.auth-field { margin-bottom: var(--sp-4); position: relative; }
.auth-field.signup-only { display: none; }
.auth-root[data-mode="signup"] .auth-field.signup-only { display: block; }
.auth-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--fg-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.auth-field input {
  width: 100%;
  background: var(--ink-900);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--fg-1);
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}
.auth-field input:focus { outline: none; border-color: var(--accent); background: var(--ink-850); }
.auth-field input::placeholder { color: var(--fg-4); }
.pw-toggle {
  position: absolute;
  inset-inline-end: 12px;
  bottom: 11px;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  color: var(--fg-3);
  border-radius: 8px;
  transition: color 0.2s var(--ease);
}
.pw-toggle:hover { color: var(--fg-1); }
.pw-toggle svg { width: 17px; height: 17px; }

.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: var(--sp-3) 0 var(--sp-5);
  font-size: 13px;
}
.auth-check { display: inline-flex; align-items: center; gap: 8px; color: var(--fg-2); cursor: pointer; }
.auth-check input { accent-color: var(--accent); width: 15px; height: 15px; }
.auth-forgot { color: var(--accent); font-family: var(--font-mono); font-size: 12px; }
.auth-forgot:hover { text-decoration: underline; }
.auth-root[data-mode="signup"] .signin-only { display: none; }
.auth-root .only-signup { display: none; }
.auth-root[data-mode="signup"] .only-signup { display: inline; }
.auth-root[data-mode="signup"] .only-signin { display: none; }
.auth-terms {
  font-size: 12px;
  color: var(--fg-4);
  text-align: center;
  margin-top: var(--sp-4);
  line-height: 1.5;
}

.auth-submit { width: 100%; justify-content: center; margin-top: 4px; }
.auth-foot {
  text-align: center;
  margin-top: var(--sp-5);
  font-size: 14px;
  color: var(--fg-3);
}
.auth-foot button { color: var(--accent); font-family: var(--font-body); font-weight: 600; font-size: 14px; }
.auth-foot button:hover { text-decoration: underline; }
.auth-success {
  display: none;
  text-align: center;
  padding: var(--sp-5) 0;
}
.auth-root.done .auth-body { display: none; }
.auth-root.done .auth-success { display: block; }
.auth-success .check-ring {
  width: 70px; height: 70px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  color: var(--accent);
  display: grid; place-items: center;
  margin: 0 auto var(--sp-5);
  animation: popIn 0.5s var(--ease-back);
}
.auth-success .check-ring svg { width: 34px; height: 34px; }
@keyframes popIn { from { transform: scale(0); } to { transform: scale(1); } }

/* PROJECT LIGHTBOX */
.lb-media {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  margin-bottom: var(--sp-5);
  background: radial-gradient(120% 100% at 50% 0%, var(--ink-700), var(--ink-850));
}
.lb-media image-slot { width: 100%; height: 100%; }
.modal-card.lb { max-width: 620px; }
.lb-cat {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.lb-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 30px;
  letter-spacing: -0.02em;
  margin: 8px 0 14px;
}
.lb-desc { color: var(--fg-2); font-size: 16px; line-height: 1.6; }
.lb-stack { display: flex; flex-wrap: wrap; gap: 8px; margin: var(--sp-5) 0; }
.lb-stack span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.lb-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ------------------------------------------------------------
   ARABIC / KURDISH FONT + RTL
   ------------------------------------------------------------ */
[lang="ar"], [lang="ku"] {
  --font-display: "IBM Plex Sans Arabic", "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "IBM Plex Sans Arabic", "Manrope", system-ui, sans-serif;
}
/* keep mono labels readable: Arabic sans for Arabic text, mono metrics feel */
[lang="ar"] .eyebrow, [lang="ku"] .eyebrow,
[lang="ar"] .role-tag, [lang="ku"] .role-tag,
[lang="ar"] .lbl, [lang="ku"] .lbl,
[lang="ar"] .filter-chip, [lang="ku"] .filter-chip,
[lang="ar"] .nav-links a, [lang="ku"] .nav-links a,
[lang="ar"] .btn, [lang="ku"] .btn,
[lang="ar"] .service-tags span, [lang="ku"] .service-tags span,
[lang="ar"] .project-stack span, [lang="ku"] .project-stack span,
[lang="ar"] .k, [lang="ku"] .k,
[lang="ar"] .footer-col h4, [lang="ku"] .footer-col h4 {
  font-family: "IBM Plex Sans Arabic", var(--font-mono);
}

[dir="rtl"] .scroll-progress { transform-origin: 100% 50%; }
[dir="rtl"] .service::after { inset-inline-start: auto; inset-inline-end: 0; }
[dir="rtl"] .eyebrow::before { /* gap handles order */ }
/* flip directional arrows only */
[dir="rtl"] svg.lucide-arrow-up-right,
[dir="rtl"] svg.lucide-arrow-down-right,
[dir="rtl"] svg.lucide-arrow-right,
[dir="rtl"] svg.lucide-arrow-up { transform: scaleX(-1); }

/* hero headline can be a touch tighter in Arabic */
[lang="ar"] .hero h1, [lang="ku"] .hero h1 { letter-spacing: -0.01em; line-height: 1.05; }
[lang="ar"] .line-mask, [lang="ku"] .line-mask { padding-bottom: 0.12em; }
[lang="ar"] .section-title, [lang="ku"] .section-title { line-height: 1.12; }

/* language transition shimmer */
.lang-flash {
  position: fixed;
  inset: 0;
  z-index: 280;
  pointer-events: none;
  background: var(--accent);
  opacity: 0;
}
.lang-flash.go { animation: langflash 0.6s var(--ease-expo); }
@keyframes langflash {
  0% { opacity: 0; }
  30% { opacity: 0.06; }
  100% { opacity: 0; }
}

/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 980px) {
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
  .projects-grid { grid-template-columns: 1fr; }
  .nav .lang, .nav .nav-signin { display: none; }
  .modal-card { padding: var(--sp-6) var(--sp-5); }
}

/* mobile menu extras */
.mobile-extra {
  margin-top: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-langs { display: flex; gap: 8px; }
.mobile-langs button {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--fg-2);
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: all 0.2s var(--ease);
}
.mobile-langs button.active { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }