/* ============================================================
   Daniel Mattioli - Portfolio styles
   Dark, modern theme
   ============================================================
   Contents:
      1. Design tokens     - colours, fonts and sizes in one place
      2. Base + reset       - sensible defaults for the whole page
      3. Background         - decorative grid and glow layers
      4. Buttons            - reusable .btn styles
      5. Nav + mobile menu  - top bar and slide-in menu
      6. Section shell      - shared section heading styles
      7. Hero               - intro screen
      8. About              - bio, stats and info cards
      9. Skills             - skill groups and tags
     10. Projects           - project cards
     11. Contact            - contact card and links
     12. Footer
     13. Animations         - scroll reveal + reduced motion
     14. Responsive         - breakpoints for tablet and phone

   Tip: most colours come from the variables in section 1.
   Change --accent there to recolour the whole site at once.
   ============================================================ */


/* ============================================================
   1. DESIGN TOKENS
   Reusable values. Edit here instead of hunting through the file.
   ============================================================ */
:root {
  /* Surface colours (backgrounds, cards, borders) */
  --bg: #07080d;                          /* page background */
  --bg-soft: #0d0f17;                     /* slightly lighter background */
  --surface: rgba(255, 255, 255, 0.03);   /* card background */
  --surface-2: rgba(255, 255, 255, 0.05); /* card background on hover */
  --border: rgba(255, 255, 255, 0.08);    /* normal border */
  --border-strong: rgba(255, 255, 255, 0.14); /* highlighted border */

  /* Text colours */
  --text: #eef0f6;        /* main text */
  --text-soft: #aeb3c2;   /* secondary text */
  --text-mute: #6f7689;   /* faint labels */

  /* Accent colour (used for highlights, links, buttons) */
  --accent: #7aa2f7;
  --grad: linear-gradient(120deg, #8ab0ff 0%, #6f8fe6 100%);      /* solid accent gradient */
  --grad-soft: linear-gradient(120deg, rgba(122,162,247,.12), rgba(122,162,247,.12)); /* faint tint */

  /* Shape + layout */
  --radius: 16px;       /* normal corner rounding */
  --radius-lg: 22px;    /* larger cards */
  --maxw: 1120px;       /* max content width */
  --ease: cubic-bezier(0.22, 1, 0.36, 1); /* shared easing curve */

  /* Fonts */
  --font: "Inter", system-ui, -apple-system, sans-serif;  /* body text */
  --font-display: "Space Grotesk", var(--font);           /* headings */
}


/* ============================================================
   2. BASE + RESET
   ============================================================ */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;   /* smooth jump when clicking nav links */
  scroll-padding-top: 90px;  /* stops the fixed nav covering section tops */
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;  /* hides the off-screen background glows */
  position: relative;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

::selection { background: rgba(109,139,255,.35); color: #fff; }


/* ============================================================
   3. BACKGROUND
   Three fixed, non-interactive layers behind the page.
   ============================================================ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  /* Faint grid made from two repeating gradients */
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 60px 60px;
  /* Fade the grid out toward the edges */
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 25%, transparent 75%);
}

/* Soft coloured blobs that give the page depth */
.bg-glow {
  position: fixed;
  z-index: -1;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.32;
  pointer-events: none;
}
.bg-glow--1 {                 /* blue glow, top-left */
  width: 600px; height: 600px;
  top: -220px; left: -140px;
  background: radial-gradient(circle, rgba(122,162,247,.5), transparent 70%);
}
.bg-glow--2 {                 /* violet glow, mid-right */
  width: 540px; height: 540px;
  top: 280px; right: -180px;
  background: radial-gradient(circle, rgba(138,110,255,.4), transparent 70%);
  opacity: 0.26;
}


/* ============================================================
   4. BUTTONS
   .btn is the base. Add a colour modifier (--primary / --ghost)
   and an optional size modifier (--sm / --lg).
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8rem 1.4rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, border-color .25s;
  white-space: nowrap;
}
/* Filled accent button */
.btn--primary {
  background: var(--grad);
  color: #0a0a12;
  font-weight: 700;
  box-shadow: 0 6px 18px rgba(122,162,247,.18);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(122,162,247,.26); }
/* Outlined / transparent button */
.btn--ghost {
  background: var(--surface);
  border-color: var(--border-strong);
  color: var(--text);
}
.btn--ghost:hover { background: var(--surface-2); transform: translateY(-2px); border-color: var(--accent); }
/* Size modifiers */
.btn--sm { padding: 0.5rem 1rem; font-size: 0.85rem; }
.btn--lg { padding: 1rem 1.7rem; font-size: 1.02rem; }


/* ============================================================
   5. NAV + MOBILE MENU
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem clamp(1.2rem, 5vw, 3rem);
  transition: background .3s, border-color .3s, padding .3s;
  border-bottom: 1px solid transparent;
}
/* Added by main.js once the page is scrolled down */
.nav.scrolled {
  background: rgba(7, 8, 13, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}
.nav__logo { display: flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 700; }
.nav__logo-mark {                 /* the small "DM" square */
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--grad);
  color: #0a0a12;
  font-size: 0.95rem;
  letter-spacing: -0.5px;
}
.nav__logo-text { font-size: 1.02rem; }

.nav__links { display: flex; gap: 0.4rem; }
.nav__links a {
  position: relative;
  font-size: 0.94rem;
  color: var(--text-soft);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav__links a:hover { color: var(--text); }
.nav__links a.active { color: var(--text); background: var(--surface-2); } /* current section */
.nav__actions { display: flex; align-items: center; gap: 0.7rem; }

/* Hamburger button (only shown on small screens) */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 6px;
}
.nav__toggle span {
  width: 24px; height: 2px; background: var(--text); border-radius: 2px;
  transition: transform .3s, opacity .3s;
}
/* Turn the three bars into an X when open */
.nav__toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.open span:nth-child(2) { opacity: 0; }
.nav__toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Slide-in panel for mobile (toggled by main.js) */
.mobile-menu {
  position: fixed;
  top: 0; right: 0;
  z-index: 99;
  height: 100vh; width: min(78vw, 320px);
  background: rgba(10, 11, 18, 0.96);
  backdrop-filter: blur(16px);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  gap: 0.5rem;
  padding: 6rem 1.6rem 2rem;
  transform: translateX(110%);            /* hidden off-screen by default */
  transition: transform .4s var(--ease);
}
.mobile-menu.open { transform: translateX(0); } /* slid into view */
.mobile-menu a:not(.btn) {
  font-size: 1.15rem; color: var(--text-soft);
  padding: 0.7rem 0; border-bottom: 1px solid var(--border);
}
.mobile-menu .btn { margin-top: 1rem; justify-content: center; }


/* ============================================================
   6. SECTION SHELL
   Shared wrapper + heading styles used by About, Skills,
   Projects and Contact.
   ============================================================ */
.section {
  position: relative;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) clamp(1.2rem, 5vw, 2rem);
}
/* Optional tinted, full-width band behind a section.
   Add the class "section--alt" in the HTML to use it. */
.section--alt::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%; transform: translateX(-50%);
  width: 100vw;        /* stretch past the centred content */
  z-index: -1;
  background: rgba(255, 255, 255, 0.018);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Section heading block */
.section__head { position: relative; margin-bottom: 2.6rem; }
/* Soft glow behind each heading for a bit of depth */
.section__head::before {
  content: "";
  position: absolute;
  top: -60px; left: -40px;
  width: 320px; height: 200px;
  background: radial-gradient(circle, rgba(122,162,247,.16), transparent 70%);
  filter: blur(30px);
  z-index: -1;
  pointer-events: none;
}
/* Small pill label above each section title */
.section__kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--grad-soft);
  border: 1px solid var(--border);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}
.section__kicker::before {        /* small dot before the label text */
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.15;
}

/* Makes the wrapped text show the accent gradient */
.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}


/* ============================================================
   7. HERO
   Two columns on desktop: text on the left, photo on the right.
   ============================================================ */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  padding: 7rem clamp(1.2rem, 5vw, 2rem) 4rem;
}

/* Small status pill above the title */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.85rem;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.eyebrow__dot {                  /* small green "available" dot */
  width: 8px; height: 8px; border-radius: 50%;
  background: #5fd6a3;
  box-shadow: 0 0 0 3px rgba(95,214,163,.16);
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -1.5px;
  margin-bottom: 1.4rem;
}
.hero__lead {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  color: var(--text-soft);
  max-width: 56ch;
  margin-bottom: 2rem;
}
.hero__cta { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-bottom: 2.2rem; }

/* Round social icon buttons */
.hero__socials { display: flex; gap: 0.9rem; }
.hero__socials a {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-soft);
  transition: transform .25s var(--ease), color .25s, border-color .25s, background .25s;
}
.hero__socials a:hover { transform: translateY(-3px); color: var(--text); border-color: var(--accent); background: var(--surface-2); }

/* Profile photo with a gradient ring and small badge */
.hero__portrait { position: relative; justify-self: center; }
.portrait-ring {
  position: relative;
  width: clamp(240px, 30vw, 340px);
  aspect-ratio: 1;
  border-radius: 50%;
  padding: 6px;
  background: var(--grad);
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
.portrait-ring img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid var(--bg);
}
.portrait-badge {                 /* the "2026 / Graduating" tag */
  position: absolute;
  bottom: 6%; right: -6%;
  background: rgba(13,15,23,.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 0.7rem 1rem;
  display: flex; flex-direction: column;
  text-align: center;
  box-shadow: 0 12px 30px rgba(0,0,0,.4);
}
.portrait-badge__num { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; }
.portrait-badge__label { font-size: 0.72rem; color: var(--text-mute); text-transform: uppercase; letter-spacing: 1px; }


/* ============================================================
   8. ABOUT
   Two columns: bio + stats on the left, two cards on the right.
   ============================================================ */
.about {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}
.about__text p { color: var(--text-soft); margin-bottom: 1.1rem; }

/* Row of quick stats (8+, 5+, 2026) */
.about__stats { display: flex; gap: 1.6rem; margin-top: 1.8rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat__num {
  font-family: var(--font-display);
  font-size: 1.9rem; font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat__label { font-size: 0.82rem; color: var(--text-mute); }

/* Experience + education cards */
.about__cards { display: flex; flex-direction: column; gap: 1.1rem; }
.info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.info-card:hover { transform: translateY(-4px); border-color: var(--border-strong); background: var(--surface-2); }
.info-card__icon {
  display: grid; place-items: center;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--grad-soft);
  color: var(--accent);
  margin-bottom: 1rem;
}
.info-card h3 { font-family: var(--font-display); font-size: 1.2rem; margin-bottom: 0.5rem; }
.info-card__role { font-weight: 600; color: var(--text); }
.info-card__meta { font-size: 0.88rem; color: var(--accent); margin-bottom: 0.6rem; }
.info-card p:last-child { color: var(--text-soft); font-size: 0.94rem; }


/* ============================================================
   9. SKILLS
   A grid of category cards, each holding small tag pills.
   ============================================================ */
.skills {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.skill-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: border-color .3s, background .3s;
}
.skill-group:hover { border-color: var(--border-strong); background: var(--surface-2); }
.skill-group__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
  color: var(--text);
}
/* Individual skill pills */
.tags { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.tag {
  font-size: 0.85rem;
  color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  transition: color .2s, border-color .2s, transform .2s;
}
.tag:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }


/* ============================================================
   10. PROJECTS
   Responsive card grid. Each card has an image, text and links.
   ============================================================ */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.3rem;
}
.project {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s;
}
.project:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 22px 50px rgba(0,0,0,.45);
}
/* Image area (fixed shape, image fills it) */
.project__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg-soft); }
.project__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.project:hover .project__media img { transform: scale(1.06); } /* gentle zoom on hover */
.project__media::after {            /* dark fade at the bottom of the image */
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7,8,13,.55));
}
.project__body { padding: 1.3rem; display: flex; flex-direction: column; flex: 1; }
.project__title { font-family: var(--font-display); font-size: 1.18rem; margin-bottom: 0.5rem; }
.project__desc { font-size: 0.92rem; color: var(--text-soft); margin-bottom: 1rem; flex: 1; }
/* Small tech tags */
.project__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.1rem; }
.project__tags span {
  font-size: 0.74rem;
  color: var(--accent);
  background: var(--grad-soft);
  border-radius: 6px;
  padding: 0.2rem 0.55rem;
}
/* Code / Demo links */
.project__links { display: flex; gap: 1.2rem; }
.project__links a {
  font-size: 0.88rem; font-weight: 600;
  color: var(--text-soft);
  transition: color .2s;
}
.project__links a:hover { color: var(--accent); }


/* ============================================================
   11. CONTACT
   A single centred card with a mailto button and links.
   ============================================================ */
.contact {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2.2rem, 6vw, 4rem);
  position: relative;
  overflow: hidden;
}
.contact::before {                /* soft glow inside the top of the card */
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% -20%, rgba(109,139,255,.18), transparent 60%);
  pointer-events: none;
}
.contact__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.5px;
  margin: 0.6rem 0 0.9rem;
}
.contact__lead { color: var(--text-soft); margin-bottom: 1.8rem; }
.contact .btn--lg { max-width: 100%; }

/* Row of GitHub / LinkedIn / Resume links */
.contact__socials { display: flex; justify-content: center; gap: 1rem; margin-top: 1.8rem; flex-wrap: wrap; }
.contact__social {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.9rem; color: var(--text-soft);
  background: var(--surface-2);
  border: 1px solid var(--border);
  padding: 0.55rem 1rem; border-radius: 999px;
  transition: color .2s, border-color .2s, transform .2s;
}
.contact__social:hover { color: var(--text); border-color: var(--accent); transform: translateY(-2px); }


/* ============================================================
   12. FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 2rem 1rem;
  color: var(--text-mute);
  font-size: 0.85rem;
}


/* ============================================================
   13. ANIMATIONS
   Elements with class "reveal" fade up into view. main.js adds
   the "in" class when they scroll onto the screen.
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(26px);            /* default: slide up into place */
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}
/* Direction variants: add one of these next to "reveal" in the HTML */
.reveal--left { transform: translateX(-40px); }   /* slide in from the left */
.reveal--right { transform: translateX(40px); }   /* slide in from the right */
.reveal--scale { transform: scale(0.94); }        /* gently grow into place */

/* "in" is added by main.js when the element scrolls into view */
.reveal.in { opacity: 1; transform: none; }

/* Thin progress bar at the top of the page (width set by main.js) */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;               /* grows from 0% to 100% as you scroll */
  z-index: 200;           /* sits above the nav */
  background: var(--grad);
  box-shadow: 0 0 10px rgba(122,162,247,.5);
  transition: width .1s linear;
}

/* Respect users who prefer less motion: turn animations off */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal--left,
  .reveal--right,
  .reveal--scale { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}


/* ============================================================
   14. RESPONSIVE
   Breakpoints get smaller down the list. Each one only changes
   what is needed at that width.
   ============================================================ */

/* Tablet and below: stack the hero and about into one column */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    min-height: auto;
    padding-top: 7rem;
    gap: 2rem;
  }
  .hero__content { order: 2; }     /* photo first, text second */
  .hero__portrait { order: 1; }
  .hero__cta, .hero__socials { justify-content: center; }
  .hero__lead { margin-inline: auto; }
  .about { grid-template-columns: 1fr; }
  .portrait-badge { right: 0; }
}

/* Mid tablet: show projects two-per-row */
@media (min-width: 761px) and (max-width: 1024px) {
  .projects { grid-template-columns: repeat(2, 1fr); }
}

/* Phone: switch to the hamburger menu and single-column grids */
@media (max-width: 760px) {
  html { scroll-padding-top: 76px; }
  .nav { padding: 0.9rem 1.25rem; }
  .nav__links { display: none; }          /* hide desktop links */
  .nav__toggle { display: flex; }         /* show hamburger */
  .nav__actions .btn--ghost { display: none; }
  .nav__logo-text { display: none; }
  .section { padding-left: 1.25rem; padding-right: 1.25rem; }
  .hero { padding-left: 1.25rem; padding-right: 1.25rem; }
  .skills { grid-template-columns: 1fr; }
  .projects { grid-template-columns: 1fr; }
  .about__stats { justify-content: space-between; gap: 1.2rem; }

  /* Shrink the "graduating" badge into a small pill and move it
     below the photo so it no longer covers the face. */
  .portrait-badge {
    bottom: -10%;
    right: 50%;
    transform: translateX(50%);   /* centre it under the photo */
    flex-direction: row;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
  }
  .portrait-badge__num { font-size: 0.95rem; }
  .portrait-badge__label { font-size: 0.62rem; }
}

/* Small phone: scale type down and make buttons full-width */
@media (max-width: 480px) {
  .hero { padding-top: 6.5rem; }
  .hero__title { font-size: 2rem; letter-spacing: -1px; }
  .hero__lead { font-size: 0.98rem; }
  .eyebrow { white-space: normal; text-align: center; max-width: 100%; }
  .portrait-ring { width: 190px; }
  .hero__cta { flex-direction: column; width: 100%; }
  .hero__cta .btn { width: 100%; justify-content: center; }
  .hero__socials a { width: 48px; height: 48px; }
  .section__title { font-size: 1.5rem; }
  .stat__num { font-size: 1.55rem; }
  .info-card, .skill-group { padding: 1.25rem; }
  .contact { padding: 2rem 1.1rem; }
  .contact .btn--lg { width: 100%; font-size: 0.85rem; padding-inline: 0.9rem; word-break: break-word; }
  .contact__socials { gap: 0.55rem; }
  .footer { font-size: 0.8rem; padding: 1.5rem 1rem; }
}

/* Touch devices: cancel hover lifts so they do not get "stuck"
   after a tap (touch screens keep the last :hover state). */
@media (hover: none) {
  .project:hover,
  .info-card:hover,
  .skill-group:hover,
  .tag:hover,
  .btn:hover,
  .hero__socials a:hover,
  .contact__social:hover,
  .nav__links a:hover { transform: none; }
  .project:hover .project__media img { transform: none; }
}


/* ============================================================
   15. CASE STUDY MODAL + THESIS
   Popup for project case studies, the "Case study" button on
   each card, and the thesis highlight block.
   ============================================================ */

/* The whole project card is clickable to open its case study */
.project { cursor: pointer; }
.project__more {
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  transition: color .2s;
}
.project__more:hover { color: var(--text); }

/* --- Modal overlay (hidden until main.js adds .open) --- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 6vh 1rem;
  overflow-y: auto;              /* long case studies can scroll */
}
.modal.open { display: flex; }

/* Dimmed, blurred background behind the popup */
.modal__backdrop {
  position: fixed;
  inset: 0;
  background: rgba(3, 4, 8, 0.72);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

/* The popup card itself */
.modal__dialog {
  position: relative;
  z-index: 1;                    /* sits above the backdrop */
  width: min(680px, 100%);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 4vw, 2.6rem);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  animation: modal-in .35s var(--ease);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

/* Round close (X) button, top-right of the popup */
.modal__close {
  position: absolute;
  top: 0.8rem; right: 0.9rem;
  width: 38px; height: 38px;
  font-size: 1.5rem; line-height: 1;
  color: var(--text-soft);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: color .2s, border-color .2s, background .2s;
}
.modal__close:hover { color: var(--text); border-color: var(--accent); background: var(--surface-2); }

/* Stops the page behind the popup from scrolling while it is open */
body.no-scroll { overflow: hidden; }

/* --- Case study text inside the popup --- */
.case__kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem; letter-spacing: 1.5px; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.case__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.5vw, 1.9rem);
  line-height: 1.2;
  margin-bottom: 0.4rem;
}
.case__meta { color: var(--text-mute); font-size: 0.9rem; margin-bottom: 1rem; }
.case__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.4rem; }
.case__tags span {
  font-size: 0.74rem; color: var(--accent);
  background: var(--grad-soft); border-radius: 6px; padding: 0.2rem 0.55rem;
}
/* Headings, text and lists generated from the hidden case study */
.modal__content h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin: 1.3rem 0 0.4rem;
  color: var(--text);
}
.modal__content p { color: var(--text-soft); font-size: 0.95rem; }
.modal__content ul { color: var(--text-soft); font-size: 0.95rem; padding-left: 1.2rem; margin-top: 0.3rem; }
.modal__content li { margin-bottom: 0.35rem; }
.case__links { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 1.8rem; }
.case__links a { font-weight: 600; font-size: 0.9rem; color: var(--accent); transition: color .2s; }
.case__links a:hover { color: var(--text); }

/* --- Thesis block --- */
.thesis {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.6rem, 4vw, 2.6rem);
}
.thesis__badge {
  display: inline-block;
  font-size: 0.78rem; color: var(--accent);
  background: var(--grad-soft); border: 1px solid var(--border);
  padding: 0.3rem 0.8rem; border-radius: 999px;
  margin-bottom: 1rem;
}
.thesis__title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  line-height: 1.25;
  margin-bottom: 0.8rem;
}
.thesis__lead { color: var(--text-soft); max-width: 70ch; }

/* Three focus-area cards */
.thesis__areas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}
.thesis__area {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
}
.thesis__area h4 { font-family: var(--font-display); font-size: 1.02rem; margin-bottom: 0.4rem; color: var(--accent); }
.thesis__area p { color: var(--text-soft); font-size: 0.9rem; }

/* Tools + status row */
.thesis__meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
  border-top: 1px solid var(--border); padding-top: 1.5rem;
}
.thesis__meta-label {
  display: block; font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 1px; color: var(--text-mute); margin-bottom: 0.3rem;
}
.thesis__meta p { color: var(--text-soft); font-size: 0.92rem; }

/* "View Thesis" button row */
.thesis__cta { margin-top: 1.6rem; }

/* Thesis stacks into one column on small screens */
@media (max-width: 760px) {
  .thesis__areas { grid-template-columns: 1fr; }
  .thesis__meta { grid-template-columns: 1fr; gap: 1rem; }
}

/* Skip the popup open animation for reduced-motion users */
@media (prefers-reduced-motion: reduce) {
  .modal__dialog { animation: none; }
}