/* ======================================================
   Kurt Portfolio — styles.css
   House rules: formatting-only edits, no functional changes.
   Table of Contents
   01) Reset / Normalize
   02) Design Tokens (CSS Variables)
   03) Layout & Components
       - Header/Main
       - Dock
       - Typographic helpers
       - Experience / Education
       - Chips
       - Projects (header, grid, cards, links)
       - Contact
   04) Modal
   05) Staggered Animations
====================================================== */

/* =========================================
   RESET / NORMALIZE
========================================= */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { -webkit-text-size-adjust: 100%; }

body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  background: var(--color-background);
  color: var(--color-foreground);
}


img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

p,
h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

ul, ol { list-style: none; }

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

button { border: 0; background: none; cursor: pointer; }


/* =========================================
   DESIGN TOKENS (DEDUPED, RGB)
========================================= */

:root {
  /* Core palette */
  --color-background: rgb(239, 236, 229);       /* Cream */
  --color-foreground: rgb(0, 0, 0);             /* Black */

  --color-primary: rgb(126, 161, 114);          /* Asparagus */
  --color-primary-foreground: rgb(255, 255, 255);

  --color-secondary: rgb(255, 255, 255);        /* White */
  --color-secondary-foreground: rgb(0, 0, 0);

  --color-muted: rgb(232, 228, 219);            /* Subtle cream */
  --color-muted-foreground: rgb(102, 102, 102);

  --color-destructive: rgb(255, 59, 48);
  --color-destructive-foreground: rgb(255, 255, 255);

  --color-border: rgb(225, 220, 207);
  --color-input: var(--color-border);           /* same as border */
  --color-ring: var(--color-primary);

  --radius: 0.5rem;

  /* Typography */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  --fs-xsm: 0.7rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.3rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2.25rem;
  --fs-3xl: 3rem;
  --fw-normal: 400;
  --fw-medium: 500;
  --fw-bold: 700;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
}

.dark {
  --color-background: rgb(0, 0, 0);
  --color-foreground: rgb(239, 236, 229);

  --color-primary: rgb(126, 161, 114);
  --color-primary-foreground: rgb(255, 255, 255);

  --color-secondary: rgb(23, 23, 23);
  --color-secondary-foreground: rgb(239, 236, 229);

  --color-muted: rgb(38, 38, 38);
  --color-muted-foreground: rgb(193, 185, 170);

  --color-destructive: rgb(110, 28, 28);
  --color-destructive-foreground: rgb(255, 255, 255);

  --color-border: rgb(38, 38, 38);
  --color-input: var(--color-border);
  --color-ring: var(--color-primary);
}


/* =========================================
   LAYOUT & COMPONENTS
========================================= */

header, main {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

h1 {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-bold);
}

header {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  flex: 1;
  margin-right: var(--space-6);
}

.header-content p {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  margin-bottom: var(--space-6);
}

#headshot {
  width: 115px;
  height: 115px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--color-border);
  flex: 0 0 auto;
}

/* give bottom breathing room so content isn't covered */
main { padding-bottom: 110px; }

/* floating pill dock */
.dock {
  position: fixed;
  left: 50%;
  transform: translateX(-50%) !important;      /* center horizontally */
  bottom: max(16px, env(safe-area-inset-bottom)); 
  z-index: 50;

  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;

  border-radius: 9999px;
  background: var(--color-background);
  color: var(--color-foreground);
  backdrop-filter: blur(8px) saturate(120%);
  box-shadow:
    0 1px 0 rgba(255,255,255,.6) inset,
    0 12px 30px rgba(0,0,0,.12);
}

/* items */
.dock a,
.dock button {
  border: 0;
  background: transparent;
  font-size: 20px;    /* icon size */
  width: 44px;        /* square touch target */
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.dock svg {
  width: 30px;
}


.icon-sun { display: none; }          /* default: light mode shows moon */
.dark .icon-sun { display: block; }   /* in dark mode show sun */
.dark .icon-moon { display: none; }   /* and hide moon */

/* hover/active */
.dock a:hover,
.dock button:hover {
  background: rgba(0,0,0,.06);
}

.dock a:active,
.dock button:active {
  transform: translateY(1px);
}

#linked-in-icon {
  fill: var(--color-foreground);
}

.about-me p {
  color: var(--color-muted-foreground);
}

section {
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-border);
}

h2 {
  margin: 0.5rem 0;
}

h3 {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
}

.work-experience {
  display: none;
}

.experience-list li, .education-list li {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.experience-details p, .educator-details p {
  font-size: var(--fs-sm);
}

.duration {
  margin-left: auto;
  color: var(--color-muted-foreground);
}

.company-logo, .educator-logo {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;    /* allows wrapping to next line */
  gap: 5px;          /* consistent spacing between chips */
  list-style: none;
  padding: 0;
  margin: 0;
}

.chip-list li {
  background: var(--color-primary);   /* your green */
  color: #fff;
  padding: 4px 12px;
  border-radius: var(--radius);
  font-size: var(--fs-xsm);
  font-weight: 700;
  white-space: nowrap;   /* keeps chip text in one line */
}

.projects-header {
  text-align: center;
  margin: 1rem 0;
  padding: 0 1rem;
}

.projects-header > p:first-child {
  background: var(--color-foreground);   /* your green */
  color: var(--color-background);
  padding: 4px 12px;
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  display: inline-block;
}

.projects-header h2 {
  margin-top: var(--space-2);
  font-size: var(--fs-3xl);
}

.projects-header p:nth-of-type(2) {
  line-height: 2rem;
  color: var(--color-muted-foreground);
  font-size: var(--fs-lg);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
  align-items: stretch;
}

@media (max-width: 720px) {
  .project-grid {
    grid-template-columns: 1fr;
  }
}

.project-grid button {
  position: relative;
  display: block;           /* ensure width/height apply */
  width: 100%;              /* make the card span its container */
  aspect-ratio: 16 / 9;    /* maintain a 16:9 aspect ratio */
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
   /* placeholder to allow future overlay */
}

button span {
  position: absolute;
  top: 50%;   
  left: 50%;  
  transform: translate(-50%, -50%);
  background: var(--color-background);
  color: var(--color-foreground);
  padding: 4px 20px;
  border-radius: 15px;
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  opacity: 0.7;
}

.project-grid button:hover span {
  opacity: 0.9;
}

.project-thumbnail {
  height: 100%;
  overflow: hidden;
  position: relative;
}

.project-thumbnail img {
  height: 100%;
  width: 100%;
  object-fit: cover;
  transition: transform .25s ease;
}

.project-grid button:hover .project-thumbnail img {
  transform: scale(1.03);
}

article {
  position: relative;
  border: 1px solid var(--color-border);
  padding: var(--space-4);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-secondary);
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: box-shadow .2s ease, transform .2s ease;
}

article:hover {
  box-shadow: 0 8px 18px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

article ul {
  display: flex;
  flex-wrap: wrap;    /* allows wrapping to next line */
  gap: 5px;          /* consistent spacing between chips */
  list-style: none;
  padding: 0;
  margin: 0;
}

article ul li {
   background: var(--color-foreground);   /* your green */
  color: var(--color-background);
  padding: 4px 12px;
  border-radius: var(--radius);
  font-size: var(--fs-xsm);
  font-weight: 500;
  white-space: nowrap;   /* keeps chip text in one line */
}

.project-links {
  margin-top: auto;   /* push this row to the bottom of the card */
}

.project-links a {
  background: var(--color-primary);   
  color: white;
  padding: 4px 12px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  font-size: var(--fs-sm);
  white-space: nowrap; 
}

.project-links a svg {
  display: block;
  width: 24px;
  height: 24px;
}

.project-links a:hover {
  filter: brightness(.96);
}

.project-details, .project-links, .project-skills {
  padding: var(--space-2);
}

.project-details h3 {
  margin: 0 0 .25rem 0;
  font-size: 1.125rem;
  font-weight: var(--fw-bold);
}

.project-details p:first-of-type {
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
  margin-bottom: .25rem;
}

.project-details p:last-of-type {
  color: var(--color-foreground);
}

.contact {
  text-align: center;
  padding: 4rem 1rem;
}

.contact .eyebrow {
  display: inline-block;
  background: var(--color-foreground);   /* your green */
  color: var(--color-background);
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.contact .title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact p {
  color: var(--color-muted-foreground);
  font-size: 1.125rem;
  line-height: 1.6;
  max-width: 40ch;
  margin: 0 auto 2rem;
}

.contact p a {
  color: #2563eb;
  text-decoration: none;
}

.contact p a:hover {
  text-decoration: underline;
}

/* --- Form styles --- */
.contact-form {
  max-width: 480px;
  margin: 0 auto;
  display: grid;
  gap: 1rem;
  text-align: left;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #2563eb;
  outline-offset: 2px;
}

.contact-form button {
  background: var(--color-foreground);
  color: var(--color-background);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.contact-form button:hover {
  background: var(--color-primary);
}

footer p {
  text-align: right;
  color: var(--color-muted-foreground);
  font-size: var(--fs-sm);
  padding: 2rem 1rem;
}
/* ===== Modal base ===== */
#modal {
  position: fixed;
  inset: 0;
  display: flex;                 /* keep in DOM; control via opacity */
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
  z-index: 999;
}

#modal.open {
  opacity: 1;
  pointer-events: auto;
}

/* Backdrop also fades */
#modal .modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity 0.35s ease;
}

#modal.open .modal-backdrop { opacity: 1; }

/* Dialog pops in/out with translate+scale */
#modal .modal-dialog {
  position: relative;            /* centered by flex parent */
  width: min(920px, 92vw);
  max-height: min(90vh, 1000px);
  background: var(--color-secondary);
  color: var(--color-secondary-foreground);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.35);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  transform: translateY(20px) scale(0.97);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

#modal.open .modal-dialog {
  transform: translateY(0) scale(1);
  opacity: 1;
}

#modal .modal-close {
  position: absolute; top: 10px; right: 10px;
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--color-muted); color: var(--color-foreground);
}

/* ===== Modal content styling ===== */
.modal-content { overflow: auto; }

.modal-article { display: grid; gap: var(--space-4); padding: var(--space-4); }

.modal-article .video {
  aspect-ratio: 16 / 9;
  border-radius: calc(var(--radius) - 2px);
  overflow: hidden;
  background: #000;
}

.modal-article figure { width: 100%; height: 100%; display: block; }
.modal-article figcaption {
  font-size: var(--fs-sm);
  color: var(--color-muted-foreground);
  text-align: center;
  margin-top: var(--space-1);
}

.modal-header h3 { font-size: 1.25rem; font-weight: var(--fw-bold); margin: 0; }

.modal-header .dates { color: var(--color-muted-foreground); font-size: var(--fs-sm); }

.modal-body p { color: var(--color-foreground); line-height: 1.7; }

.modal-body .project-skills { margin-top: var(--space-2); }

.modal-body .project-links { margin-top: var(--space-4); display: flex; gap: var(--space-2); }

.modal-body .project-links a {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  padding: 6px 12px; border-radius: var(--radius);
  line-height: 1; white-space: nowrap;
}

.modal-body .project-links svg { display: block; }


/* =========================================
   STAGGERED ANIMATIONS
========================================= */

@media (prefers-reduced-motion: no-preference) {
  /* children that will animate */
  .stagger > .reveal {
    opacity: 0;
    transform: translateY(12px) scale(.98);
    filter: blur(2px);
  }

  /* when the group is "in", animate its children */
  .stagger.in > .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition:
      opacity 1s ease,
      transform 1s cubic-bezier(.22,1,.36,1),
      filter 1s ease;
    /* stagger per child */
    transition-delay: calc(
      var(--stagger-base, 0ms) +
      var(--i, 0) * var(--stagger-step, 70ms)
    );
  }
}