/* =========================================================
   KY PORTFOLIO — NEO-BRUTALISM DESIGN SYSTEM
   ========================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --color-bg: #F5F1E8;
  --color-surface: #FFFFFF;
  --color-text: #111111;
  --color-border: #111111;

  --color-yellow: #FFD93D;
  --color-blue: #4D96FF;
  --color-pink: #FF6B9D;
  --color-green: #6BCB77;
  --color-orange: #FF8C42;

  /* Typography */
  --font-heading: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Borders */
  --border-default: 3px solid var(--color-border);
  --border-large: 4px solid var(--color-border);

  /* Shadows */
  --shadow-sm: 4px 4px 0 var(--color-border);
  --shadow-md: 6px 6px 0 var(--color-border);
  --shadow-lg: 8px 8px 0 var(--color-border);
  --shadow-xl: 10px 10px 0 var(--color-border);

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;

  /* Layout */
  --max-width: 1200px;
  --navbar-height: 76px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

ul { list-style: none; margin: 0; padding: 0; }

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

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 800;
  margin: 0;
  line-height: 0.95;
}

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Focus State ---------- */
:focus-visible {
  outline: 4px solid var(--color-blue);
  outline-offset: 3px;
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-yellow);
  color: var(--color-text);
  padding: var(--space-3) var(--space-4);
  border: var(--border-default);
  font-weight: 700;
  z-index: 1000;
}
.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

/* ---------- Layout Helpers ---------- */
.section__inner,
.navbar__inner,
.footer__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section { padding-block: var(--space-9); }
.section--alt { background: var(--color-surface); border-block: var(--border-default); }

.section__eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-3);
}

.section__title {
  font-size: 48px;
  margin-bottom: var(--space-6);
}

/* ---------- Buttons ---------- */
.button {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.03em;
  text-align: center;
  padding: var(--space-3) var(--space-5);
  border: var(--border-default);
  box-shadow: var(--shadow-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.button:hover {
  transform: translate(4px, 4px);
  box-shadow: 1px 1px 0 var(--color-border);
}

.button:active {
  transform: translate(5px, 5px);
  box-shadow: 0 0 0 var(--color-border);
}

.button--primary { background: var(--color-yellow); }
.button--outline { background: var(--color-surface); }
.button--dark { background: var(--color-text); color: var(--color-bg); }

.button--full { display: block; width: 100%; }

.button[disabled],
.button--disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* ---------- Navbar ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: var(--border-default);
}

.navbar__inner {
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar__logo {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 24px;
}
.navbar__logo-dot { color: var(--color-blue); }

.navbar__nav { display: block; }

.navbar__links {
  display: flex;
  gap: var(--space-2);
}

.nav-link {
  display: inline-block;
  font-weight: 700;
  font-size: 15px;
  padding: var(--space-2) var(--space-4);
  border: 3px solid transparent;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.nav-link:hover,
.nav-link.is-active {
  background: var(--color-yellow);
  border-color: var(--color-border);
  transform: translate(-2px, -2px);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 48px;
  height: 44px;
  background: var(--color-yellow);
  border: var(--border-default);
  box-shadow: var(--shadow-sm);
}

.menu-toggle__bar {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(2) {
  opacity: 0;
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
  display: none;
}

.mobile-menu__link {
  display: block;
  padding: var(--space-4) var(--space-5);
  font-weight: 700;
  font-size: 18px;
  border-top: var(--border-default);
}

/* ---------- Hero ---------- */
.hero { padding-block: var(--space-9); }

.hero__inner {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-7);
  align-items: center;
}

.eyebrow {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: var(--space-4);
}
.eyebrow__star { color: var(--color-pink); }

.hero__title {
  font-size: 80px;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}

.highlight {
  display: inline-block;
  padding: 0 var(--space-2);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.highlight--blue { background: var(--color-blue); color: #fff; }
.highlight--yellow { background: var(--color-yellow); }

.hero__intro {
  font-size: 18px;
  max-width: 46ch;
  margin-bottom: var(--space-6);
}

.hero__cta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__media {
  position: relative;
  justify-self: center;
}

.hero__frame {
  border: var(--border-large);
  box-shadow: var(--shadow-xl);
  aspect-ratio: 1;
  width: min(360px, 80vw);
  overflow: hidden;
  background: var(--color-surface);
}
.hero__frame img { width: 100%; height: 100%; object-fit: cover; }

.deco {
  position: absolute;
  font-family: var(--font-heading);
  font-weight: 800;
  user-select: none;
}
.deco--plus {
  top: -18px;
  left: -18px;
  font-size: 40px;
  color: var(--color-blue);
}
.deco--circle {
  bottom: -14px;
  right: -10px;
  font-size: 28px;
  color: var(--color-pink);
}

/* ---------- About ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.5fr;
  gap: var(--space-7);
  align-items: start;
}

.card {
  background: var(--color-surface);
  border: var(--border-default);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
}

/* ---------- Skills ---------- */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: var(--space-5);
}

.skill-card {
  background: var(--color-surface);
  border: var(--border-default);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5) var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.skill-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 var(--color-border);
}

.skill-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-border);
}

.skill-card__icon i {
  font-size: 30px;
  color: var(--color-text);
  line-height: 1;
}

.skill-card__name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
}

/* ---------- Projects ---------- */
.projects__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.project-card {
  background: var(--color-surface);
  border: var(--border-default);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 10px 10px 0 var(--color-border);
}

.project-card__media {
  aspect-ratio: 16 / 10;
  border-bottom: var(--border-default);
  overflow: hidden;
  position: relative;
  background: var(--color-bg);
}

.project-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.project-card:hover .project-card__media img {
  transform: scale(1.03);
}

.project-card__badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: var(--space-1) var(--space-3);
  border: 2px solid var(--color-border);
  background: var(--color-yellow);
}

.project-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.project-card__name {
  font-size: 24px;
}

.project-card__desc {
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.tag {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  padding: var(--space-1) var(--space-3);
  border: 2px solid var(--color-border);
  background: var(--color-bg);
}

.project-card__links {
  display: flex;
  gap: var(--space-3);
  margin-top: auto;
  padding-top: var(--space-3);
}

.project-card--full { grid-column: 1 / -1; }
.project-card--full .project-card__media { aspect-ratio: 21 / 9; }

/* ---------- Contact ---------- */
.contact__panel {
  background: var(--color-yellow);
  border: var(--border-large);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8) var(--space-6);
  text-align: center;
}

.contact__title {
  font-size: 48px;
  margin-bottom: var(--space-4);
}

.contact__text {
  font-size: 18px;
  margin-bottom: var(--space-6);
}

.contact__links {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.footer {
  border-top: var(--border-large);
  padding-block: var(--space-6);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-weight: 600;
}