/* ============================================================
   STYLE.CSS — Saúl Ossorio Portfolio
   ============================================================

   TABLE OF CONTENTS
   1.  CSS Variables
   2.  Reset & Base
   3.  Accessibility
   4.  Layout
   5.  Sidebar
   6.  Mobile Header & Burger
   7.  Main & Sections
   8.  Hero / About Section
   9.  Social Tags
   10. Scroll Hint
   11. Projects & Carousel Modal
   12. Pills
   13. Accordion
   14. Row Lists
   15. Skills Rows
   16. Contact Section
   17. Contact Line & Social Wrap
   18. Footer
   19. Image Modal (Lightbox + Carousel)
   20. Fade Animations
   21. Responsive Breakpoints

   QUICK CUSTOMIZATION
   • Accent color:      --blue
   • Fonts:             --font, --font-title
   • Sidebar width:     --sw
   • Section padding:   .section { padding }
   ============================================================ */


/* ── 1. CSS VARIABLES ──────────────────────────────────────── */
:root {
  --white:      #ffffff;
  --bg:         #ffffff;
  --bg-subtle:  #f8f8f7;
  --text:       #1a1a1a;
  --mid:        #555555;
  --light:      #999999;
  --blue:       #0071C5;
  --blue-hover: #005da0;
  --border:     #e0e0e0;
  --tag-bg:     #f0f0ef;
  --font:       'Open Sans', sans-serif;
  --font-title: 'Raleway', sans-serif;
  --sw:         230px;
  --header-h:   56px;
}


/* ── 2. RESET & BASE ───────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a   { color: inherit; text-decoration: none; }
img { display: block; width: 100%; height: 100%; object-fit: cover; }
button { cursor: pointer; }


/* ── 3. ACCESSIBILITY ──────────────────────────────────────── */
.skip-link {
  position: absolute; top: -100%; left: 1rem;
  background: var(--blue); color: var(--white);
  padding: .5rem 1rem; border-radius: 0 0 6px 6px;
  font-size: .85rem; font-family: var(--font);
  z-index: 9999; transition: top .2s;
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}
:focus:not(:focus-visible) { outline: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}


/* ── 4. LAYOUT ─────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
main {
  margin-left: var(--sw);
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; align-items: center;
}
main > * { width: 100%; }


/* ── 5. SIDEBAR ────────────────────────────────────────────── */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sw);
  background: var(--white);
  display: flex; flex-direction: column;
  padding: 2.5rem 0; z-index: 50; overflow-y: auto;
}
.sidebar-top {
  padding: 0 1.75rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex; flex-direction: column;
  align-items: flex-start; gap: .85rem;
}
.sidebar-photo-circle {
  width: 58px; height: 58px; border-radius: 50%;
  border: 2.5px solid var(--blue); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: #f0f0f0; flex-shrink: 0;
}
.sidebar-photo-circle img { border-radius: 50%; object-fit: cover; }
.sidebar-photo-placeholder {
  font-size: .6rem; color: var(--light);
  text-align: center; line-height: 1.4; padding: 4px;
}
.sidebar-name {
  font-family: var(--font-title);
  font-size: .92rem; font-weight: 700;
  color: var(--text); line-height: 1.3;
}
.sidebar-role { font-size: .65rem; color: var(--light); line-height: 1.5; margin-bottom: .3rem; }

.sidebar-socials { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .4rem; }
.sidebar-socials a { color: var(--light); transition: color .2s; display: flex; }
.sidebar-socials a:hover { color: var(--blue); }
.sidebar-socials svg { width: 15px; height: 15px; fill: currentColor; }

.sidebar-nav {
  display: flex; flex-direction: column;
  flex: 1; padding: 0 .75rem; gap: .1rem; overflow-y: auto;
}
.sidebar-nav a {
  display: block; padding: .45rem 1rem;
  font-size: .8rem; color: var(--mid);
  border-radius: 6px;
  transition: background .15s, color .15s;
  cursor: pointer;
}
.sidebar-nav a:hover { background: var(--bg-subtle); color: var(--text); }
.sidebar-nav a.active { color: var(--blue); background: rgba(0,113,197,.07); font-weight: 600; }

.lang-switcher {
  display: flex; gap: .3rem;
  padding: .75rem 1.75rem;
  margin-top: auto;
}
.lang-switcher--mobile { padding: 0; border: none; margin: 0; }
.lang-btn {
  font-family: var(--font); font-size: .7rem; font-weight: 600;
  letter-spacing: .08em;
  padding: .25rem .55rem; border-radius: 100px;
  border: 1.5px solid var(--border);
  color: var(--light); background: none;
  cursor: pointer; transition: all .2s;
}
.lang-btn:hover { border-color: var(--blue); color: var(--blue); }
.lang-btn--active { border-color: var(--blue); color: var(--blue); background: rgba(0,113,197,.07); }


/* ── 6. MOBILE HEADER & BURGER ─────────────────────────────── */
.mob-header {
  display: none;
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 1.25rem;
  align-items: center; justify-content: space-between;
  z-index: 60;
}

/* Dot + name as clickable logo */
.mob-brand {
  display: flex; align-items: center; gap: .55rem;
  background: none; border: none; cursor: pointer; padding: 0;
}
.mob-brand:hover .mob-name { color: var(--blue); }
.mob-name {
  font-family: var(--font-title);
  font-size: .9rem; font-weight: 700;
  color: var(--text);           /* explicit color — prevent link-blue */
  text-decoration: none;
  opacity: 0;
  transform: translateY(8px);   /* starts below, rises up on reveal */
  transition: opacity .4s ease, transform .4s ease, color .2s;
  white-space: nowrap;
  /* Force GPU layer so transition fires on mobile WebKit */
  will-change: opacity, transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}
.mob-name.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Burger — equal lines, creative spin open */
.mob-burger {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
  background: none; border: none;
  padding: 6px; width: 36px; height: 36px;
  transition: transform .4s cubic-bezier(.22,.61,.36,1);
}
.mob-burger span {
  display: block; width: 18px; height: 1.5px;
  background: var(--text); border-radius: 2px;
  transition: transform .35s cubic-bezier(.22,.61,.36,1),
              opacity   .25s ease,
              width     .25s ease;
  transform-origin: center;
}
.mob-burger.open { transform: rotate(180deg); }
.mob-burger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.mob-burger.open span:nth-child(2) { width: 0; opacity: 0; }
.mob-burger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile fullscreen nav */
.mob-nav {
  display: flex;
  position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: var(--white);
  flex-direction: column; align-items: center; justify-content: center;
  gap: 1.5rem; z-index: 55;
  opacity: 0; pointer-events: none;
  transform: translateY(-10px);
  transition: opacity .4s ease, transform .4s ease;
}
.mob-nav.open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.mob-nav a {
  font-size: 1.1rem; color: var(--mid); cursor: pointer;
  padding: .35rem 1.25rem;
  border-radius: 6px;
  opacity: 0; transform: translateY(14px);
  transition: color .2s, background .2s, opacity .35s ease, transform .35s ease;
}
.mob-nav a:hover { color: var(--blue); background: rgba(0,113,197,.04); }
.mob-nav.open a                { opacity: 1; transform: translateY(0); }
.mob-nav.open a:nth-child(1)   { transition-delay: .05s; }
.mob-nav.open a:nth-child(2)   { transition-delay: .1s; }
.mob-nav.open a:nth-child(3)   { transition-delay: .15s; }
.mob-nav.open a:nth-child(4)   { transition-delay: .2s; }

.mob-nav-lang { display: none; gap: .5rem; margin-top: .5rem; }
.mob-nav-lang .lang-btn { font-size: .85rem; padding: .35rem .75rem; }


/* ── 7. SECTIONS ────────────────────────────────────────────── */
.section {
  padding: 8rem 6rem 7rem;
  max-width: 1200px; width: 100%;
  align-self: center;
  display: flex; flex-direction: column; justify-content: center;
}
.section-compact { min-height: auto; }
#background.section {
  min-height: 100vh;
  padding-top: 8rem;
  padding-bottom: 8rem;
}
.eyebrow {
  font-size: .7rem; letter-spacing: .18em;
  text-transform: uppercase; color: var(--light);
  margin-bottom: .6rem;
}
.label-tag {
  display: inline-block;
  font-size: .58rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--blue);
  background: rgba(0,113,197,.08);
  padding: .18rem .5rem;
  border-radius: 3px;
}
.sec-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 2.5vw, 2.6rem);
  font-weight: 600; line-height: 1.15;
  color: var(--text);
}
.divider {
  height: 1px; background: var(--border);
  max-width: 1200px;
  width: calc(100% - 12rem);
  margin: 0 auto;
}


/* ── 8. HERO / ABOUT ───────────────────────────────────────── */
#about.section {
  min-height: 100vh;
  padding-top: 10rem; padding-bottom: 10rem;
  position: relative;
}
.hero-name {
  font-family: var(--font-title);
  font-size: clamp(3.5rem, 6.5vw, 7.5rem);
  font-weight: 700; line-height: .95;
  letter-spacing: -.03em; margin-bottom: 1.25rem;
  white-space: nowrap;
}
.hero-roles {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1.5rem;
  animation: fadeUp .7s ease both;
  animation-delay: 0s;
}
.hero-role-tag {
  display: inline-block;
  font-size: .68rem; font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase; color: var(--blue);
  background: rgba(0,113,197,.08);
  padding: .25rem .7rem;
  border-radius: 4px;
}
.hero-text p {
  font-size: .93rem; line-height: 1.9;
  color: var(--mid); margin-bottom: 1rem;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-name    { animation: fadeUp .7s ease both; animation-delay: .05s; }
.hero-text    { animation: fadeUp .7s ease both; animation-delay: .2s; }


/* ── BRAND DOT ──────────────────────────────────────────────── */
.brand-dot {
  display: block;
  width: 1rem; height: 1rem;
  background: var(--blue);
  border-radius: 50%;
  flex-shrink: 0;
}
.brand-dot--hero {
  width: 54px; height: 54px;
  margin-bottom: 1.75rem;
  cursor: pointer;
  transform-origin: center;
  /* Initial pop animation — runs once on load */
  animation: dotPop 0.9s cubic-bezier(.22,.61,.36,1) both;
  animation-delay: 0.2s;
  transition: background-color 1s ease;
  -webkit-tap-highlight-color: transparent;
}
@keyframes dotPop {
  0%   { transform: scale(0); opacity: 0; }
  70%  { transform: scale(1.06); opacity: 1; }
  85%  { transform: scale(0.97); }
  100% { transform: scale(1); opacity: 1; }
}
/* dot-ready: added by JS after dotPop ends */
.brand-dot--hero.dot-ready {
  animation: none;
  transition: transform .25s cubic-bezier(.22,.61,.36,1),
              background-color 1s ease;
}
/* Hover: subtle scale — desktop only */
@media (hover: hover) and (pointer: fine) {
  .brand-dot--hero.dot-ready:hover {
    transform: scale(1.11);
  }
}
/* Click bounce */
.brand-dot--hero.dot-ready.dot-clicked {
  animation: dotClick .35s cubic-bezier(.22,.61,.36,1) both;
  transition: background-color 1s ease;
}
@keyframes dotClick {
  0%   { transform: scale(1); }
  35%  { transform: scale(0.82); }
  70%  { transform: scale(1.06); }
  100% { transform: scale(1); }
}
/* Rage shake — more violent, fired on cooldown */
.brand-dot--hero.dot-ready.dot-rage-shake {
  animation: dotRageShake .7s cubic-bezier(.22,.61,.36,1) both;
  transition: background-color 1s ease;
}
@keyframes dotRageShake {
  0%   { transform: scale(1)    rotate(0); }
  10%  { transform: scale(1.18) rotate(-14deg); }
  22%  { transform: scale(0.88) rotate(12deg); }
  34%  { transform: scale(1.14) rotate(-10deg); }
  46%  { transform: scale(0.92) rotate(8deg); }
  58%  { transform: scale(1.07) rotate(-5deg); }
  70%  { transform: scale(0.97) rotate(3deg); }
  85%  { transform: scale(1.02) rotate(-1deg); }
  100% { transform: scale(1)    rotate(0); }
}
.brand-dot--nav {
  width: 1em; height: 1em; flex-shrink: 0;
}


/* ── 9. SOCIAL TAGS ─────────────────────────────────────────── */
.hero-social-tags {
  display: flex; flex-wrap: wrap; gap: .5rem;
  margin-bottom: 2.5rem;
  animation: fadeUp .7s ease both; animation-delay: .12s;
}
.social-tag {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .35rem .85rem;
  background: var(--tag-bg);
  border: 1.5px solid var(--border);
  border-radius: 100px;
  font-size: .78rem; color: var(--mid);
  opacity: .75;
  transition: background .2s, border-color .2s, color .2s, opacity .2s;
  cursor: pointer;
  text-decoration: none;
}
.social-tag:hover {
  background: #e8e8e6;
  border-color: #c8c8c4;
  color: var(--text);
  opacity: 1;
}
.social-tag svg { width: 14px; height: 14px; fill: currentColor; flex-shrink: 0; }


/* ── 10. SCROLL HINT ────────────────────────────────────────── */
.scroll-hint {
  position: absolute; bottom: 3rem; left: 6rem;
  display: flex; align-items: center; gap: .75rem;
  font-size: .7rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--light);
  animation: fadeUp .7s ease both; animation-delay: .5s;
  /* pointer-events off so it doesn't block text selection */
  pointer-events: none;
}
.scroll-hint-icon {
  width: 22px; height: 34px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  display: flex; align-items: flex-start;
  justify-content: center; padding-top: 5px;
  /* GPU layer for mobile animation performance */
  transform: translateZ(0);
}
.scroll-hint-dot {
  width: 4px; height: 4px;
  background: var(--blue); border-radius: 50%;
  /* Use transform+opacity — GPU-accelerated, works on all mobile browsers */
  animation: scrollDot 1.6s ease infinite;
  will-change: transform, opacity;
  transform: translateZ(0);
}
@keyframes scrollDot {
  0%   { transform: translateY(0);    opacity: 1; }
  80%  { transform: translateY(14px); opacity: 0; }
  100% { transform: translateY(0);    opacity: 0; }
}


/* ── 11. PROJECTS ───────────────────────────────────────────── */
.projects-wrap { border-top: 1px solid var(--border); margin-top: 2.5rem; }
.project-block {
  display: grid; grid-template-columns: 1fr 380px;
  gap: 4rem; padding: 3.5rem 0;
  align-items: start;
  border-bottom: 1px solid var(--border);
}
.project-block:last-child { border-bottom: none; }
.proj-types {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-bottom: 1.25rem;
}
.proj-type {
  display: inline-block;
  font-size: .58rem; font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(0,113,197,.08);
  padding: .18rem .5rem;
  border-radius: 3px;
}
.proj-title {
  font-family: var(--font-title);
  font-size: 1.6rem; font-weight: 600; line-height: 1.2; margin-bottom: .5rem;
}
.proj-kv { margin-bottom: .85rem; }
.proj-key {
  display: block;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: .35rem;
}
.proj-val { font-size: .84rem; color: var(--mid); line-height: 1.75; }
.proj-links { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.5rem; }

/* Square image thumbnail — clickable */
.proj-img {
  border-radius: 8px; overflow: hidden;
  aspect-ratio: 1/1;
  background: #f0f0f0;
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
  position: relative;
}
.proj-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .5s ease; cursor: zoom-in;
}
.proj-img:hover img { transform: scale(1.04); }


/* ── 12. PILLS ──────────────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .38rem 1.1rem; border-radius: 100px;
  font-size: .75rem;
  border: 1.5px solid var(--border); color: var(--mid);
  background: none; cursor: pointer;
  font-family: var(--font);
  transition: border-color .2s, color .2s;
  text-decoration: none;
}
.pill svg { width: 14px; height: 14px; fill: currentColor; flex-shrink: 0; }
.pill:hover { border-color: var(--blue); color: var(--blue); }

/* Blue CTA pill with circle reveal animation (left to right) */
.pill-blue {
  position: relative;
  border-color: var(--blue); color: var(--blue);
  overflow: hidden;
  z-index: 1;
  transition: color .4s ease, border-color .2s;
}
.pill-blue::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--blue);
  clip-path: circle(0% at 0% 50%);
  transition: clip-path .5s cubic-bezier(.22,.61,.36,1);
  z-index: -1;
}
.pill-blue:hover::after {
  clip-path: circle(150% at 0% 50%);
}
.pill-blue:hover {
  color: var(--white);
  border-color: var(--blue);
}


/* ── 13. ACCORDION ──────────────────────────────────────────── */
.accordion-section { border-top: 1px solid var(--border); }
.accordion-trigger {
  width: 100%; display: flex; align-items: center;
  padding: 1.25rem 0;
  background: none; border: none;
  border-bottom: 1px solid transparent;
  cursor: pointer; font-family: var(--font);
  text-align: left; transition: border-color .2s;
}
.accordion-trigger.open { border-bottom-color: var(--border); }
.accordion-trigger:hover .acc-label { color: var(--blue); }
.acc-label {
  font-size: .95rem; font-weight: 600;
  color: var(--text); transition: color .2s; flex: 1;
}
.acc-arrow {
  flex-shrink: 0; color: var(--light);
  transition: transform .3s, color .2s;
  margin-right: 1rem;
  display: flex; align-items: center;
  /* Force SVG rendering — prevents emoji fallback on iOS */
  font-family: var(--font);
}
/* SVG inside acc-arrow */
.acc-arrow svg { display: block; }
.accordion-trigger.open .acc-arrow { transform: rotate(90deg); color: var(--blue); }
.accordion-body { overflow: hidden; max-height: 0; transition: max-height .45s ease; }
.accordion-body.open { max-height: 9999px; }
.accordion-inner { padding-bottom: 1.5rem; }


/* ── 14. ROW LISTS ──────────────────────────────────────────── */
.row-list  { display: flex; flex-direction: column; }
.row-item  {
  display: grid; grid-template-columns: 155px 1fr;
  gap: 2rem; padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.row-item:last-child { border-bottom: none; }
.row-period { font-size: .75rem; color: var(--light); padding-top: .1rem; }
.row-title  { font-size: .88rem; font-weight: 600; color: var(--text); margin-bottom: .2rem; }
.row-sub    { font-size: .8rem; color: var(--mid); margin-bottom: .2rem; }
.row-desc   { font-size: .79rem; color: var(--light); line-height: 1.65; margin-top: .3rem; }
.row-note   { font-size: .75rem; color: var(--light); }


/* ── 15. SKILLS ROWS ────────────────────────────────────────── */
.skills-rows { display: flex; flex-direction: column; }
.skill-row {
  display: grid; grid-template-columns: 155px 1fr;
  gap: 2rem; padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.skill-row:last-child { border-bottom: none; }
.skill-cat-name  { font-size: .75rem; color: var(--light); padding-top: .1rem; }
.skill-cat-items { font-size: .84rem; color: var(--mid); line-height: 1.75; }


/* ── 16. CONTACT SECTION ────────────────────────────────────── */
.contact-section {
  min-height: 100vh;
  padding-top: 10rem; padding-bottom: 10rem;
  position: relative;
}
.contact-heading-wrap { display: block; margin-bottom: .75rem; }
.contact-heading {
  font-family: var(--font-title);
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 600; line-height: 1.2;
  white-space: pre-line;
}
.contact-sub { font-size: .95rem; color: var(--mid); font-style: italic; }


/* ── 17. CONTACT LINE & SOCIAL WRAP ────────────────────────── */
@keyframes growLine {
  from { width: 0; opacity: 0; }
  to   { width: 100%; opacity: 1; }
}
.contact-line {
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--blue) 0%, rgba(0,113,197,.15) 100%);
  border-radius: 2px;
  margin: 2.5rem 0 2rem;
  opacity: 0;
}
/* Slow grow so user appreciates it — 3.5s */
.contact-line.in {
  animation: growLine 6s cubic-bezier(.05, 0, .15, 1) forwards;
}
.contact-social-label {
  font-size: .7rem; letter-spacing: .15em;
  text-transform: uppercase; color: var(--light);
  margin-bottom: .75rem;
}
.contact-social-tags { display: flex; flex-wrap: wrap; gap: .5rem; }
.contact-social-tags .social-tag { opacity: .75; font-size: .75rem; }
.contact-social-tags .social-tag:hover { opacity: 1; }


/* ── 18. FOOTER ─────────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  max-width: 1200px; width: 100%;
  padding: 1.75rem 6rem;
  display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1rem;
}
footer p { font-size: .75rem; color: var(--light); }
.footer-dot {
  display: block;
  width: 10px; height: 10px;
  background: var(--blue);
  border-radius: 50%;
  transition: transform .2s ease, opacity .2s ease;
  opacity: .6;
}
.footer-dot:hover {
  transform: scale(1.3);
  opacity: 1;
}


/* ── 19. IMAGE MODAL + CAROUSEL ────────────────────────────── */
.img-modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0,0,0,0);
  align-items: center; justify-content: center;
  flex-direction: column;
  display: flex;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, background .35s ease, visibility .35s;
}
.img-modal-overlay.open {
  opacity: 1;
  visibility: visible;
  background: rgba(0,0,0,.88);
  touch-action: none;
  overscroll-behavior: contain;
}

/* Main image container */
.img-modal-inner {
  position: relative;
  max-width: 90vw; max-height: 80vh;
  display: flex; align-items: center; justify-content: center;
  transform: scale(0.92);
  transition: transform .35s cubic-bezier(.22,.61,.36,1);
}
.img-modal-overlay.open .img-modal-inner {
  transform: scale(1);
}
.img-modal-inner img {
  display: block;
  max-width: 90vw; max-height: 80vh;
  width: auto; height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0,0,0,.5);
  transition: opacity .3s ease, transform .3s ease;
}
/* Carousel slide animations */
.img-modal-inner img.slide-out-left {
  animation: slideOutLeft .25s ease forwards;
}
.img-modal-inner img.slide-in-right {
  animation: slideInRight .25s ease forwards;
}
.img-modal-inner img.slide-out-right {
  animation: slideOutRight .25s ease forwards;
}
.img-modal-inner img.slide-in-left {
  animation: slideInLeft .25s ease forwards;
}
@keyframes slideOutLeft {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(-40px); }
}
@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes slideOutRight {
  from { opacity: 1; transform: translateX(0); }
  to   { opacity: 0; transform: translateX(40px); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
.img-modal-close {
  position: absolute; top: -14px; right: -14px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--white); border: none;
  cursor: pointer; font-size: 1rem; color: var(--text);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.25);
  transition: background .2s, color .2s; z-index: 10000;
}
.img-modal-close:hover { background: var(--blue); color: var(--white); }

/* Prev/Next arrows */
.carousel-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.3);
  color: #fff; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background .2s; z-index: 10001;
  backdrop-filter: blur(4px);
}
.carousel-btn:hover { background: rgba(255,255,255,.3); }
.carousel-btn--prev { left: -52px; }
.carousel-btn--next { right: -52px; }
/* On narrow screens put arrows at bottom */
@media (max-width: 600px) {
  .carousel-btn--prev { left: 8px; top: auto; bottom: -48px; transform: none; }
  .carousel-btn--next { right: 8px; top: auto; bottom: -48px; transform: none; }
}

/* Dot indicators */
.carousel-dots {
  display: flex; gap: .5rem; margin-top: 1.25rem;
}
.carousel-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: rgba(255,255,255,.35); border: none; cursor: pointer;
  transition: background .2s, transform .2s; padding: 0;
}
.carousel-dot.active {
  background: #fff; transform: scale(1.25);
}


/* ── 20. FADE ANIMATIONS ────────────────────────────────────── */
.fade {
  opacity: 0; transform: translateY(24px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; }
.d2 { transition-delay: .2s; }
.d3 { transition-delay: .3s; }


/* ── 21. RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1100px) {
  .project-block { grid-template-columns: 1fr 300px; gap: 2.5rem; }
  .section { padding: 5rem 4rem 4rem; }
}

@media (max-width: 860px) {
  html, body { overflow-x: hidden; }
  .sidebar         { display: none; }
  .mob-header      { display: flex; }
  main             { margin-left: 0; padding-top: var(--header-h); overflow-x: hidden; }

  .section         { padding: 4.5rem 1.5rem 4rem; min-height: auto; }
  .section-compact { padding-top: 3.5rem; padding-bottom: 3rem; }

  #about.section   {
    min-height: 100svh;
    padding-top: 5rem;
    padding-bottom: 6rem;
    position: relative;
  }
  #background.section {
    min-height: 100svh;
    padding-top: 4.5rem;
    padding-bottom: 4.5rem;
  }
  .contact-section {
    min-height: 100svh;
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .divider         { width: calc(100% - 3rem); margin: 0 1.5rem; }
  .project-block   { grid-template-columns: 1fr; gap: 2rem; }
  .proj-img        { order: -1; aspect-ratio: 16/9; }
  .row-item,
  .skill-row       { grid-template-columns: 1fr; gap: .25rem; }
  .hero-name       { white-space: normal; font-size: clamp(2.5rem, 11vw, 4rem); }
  .hero-social-tags { gap: .4rem; margin-bottom: 2rem; }

  /* Scroll hint: relative in flow — below the bio text */
  .scroll-hint {
    position: relative;
    bottom: auto; left: auto;
    margin-top: 2.5rem;
    animation: none;      /* skip fadeUp on mobile */
    opacity: 1;
    pointer-events: none;
  }
  /* Ensure dot animation still runs on mobile */
  .scroll-hint-dot {
    animation: scrollDot 1.6s ease infinite !important;
    will-change: transform, opacity;
  }

  footer            { padding: 1.5rem; }
  .lang-switcher    { padding: .75rem 1rem; }
  .pill             { padding: .5rem 1.2rem; font-size: .82rem; }
  .social-tag       { padding: .4rem .9rem; }
  .accordion-trigger { padding: 1.5rem 0; }
}

/* Narrow: hide lang from header, show in mob-nav */
@media (max-width: 400px) {
  .lang-switcher--mobile { display: none; }
  .mob-nav-lang { display: flex; }
}