/* ================================================================
   DIGITAL CV — BAUHAUS DESIGN SYSTEM
   ================================================================ */

/* --- DESIGN TOKENS --- */
:root {
  --bg: #F0F0F0;
  --fg: #121212;
  --red: #D02020;
  --blue: #1040C0;
  --yellow: #F0C020;
  --white: #FFFFFF;
  --black: #121212;
  --muted: #E0E0E0;

  --font: 'Outfit', system-ui, -apple-system, sans-serif;
  --border-thin: 2px;
  --border-thick: 4px;
  --shadow-sm: 3px 3px 0 0 var(--black);
  --shadow-md: 6px 6px 0 0 var(--black);
  --shadow-lg: 8px 8px 0 0 var(--black);

  --container: 80rem; /* max-w-7xl */
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.625;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 {
  font-family: var(--font);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 0.9;
}

h1 { font-weight: 900; }
h2 { font-weight: 900; }
h3 { font-weight: 700; }
h4 { font-weight: 700; letter-spacing: 0.05em; }

p, li {
  font-weight: 500;
  line-height: 1.7;
}

/* --- SKIP LINK --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  z-index: 1000;
  padding: 0.75rem 1.5rem;
  background: var(--red);
  color: var(--white);
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  border: var(--border-thin) solid var(--black);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid var(--black);
  outline-offset: 2px;
}

/* --- CONTAINER --- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1rem;
}

@media (min-width: 640px) {
  .container { padding: 0 1.5rem; }
}
@media (min-width: 1024px) {
  .container { padding: 0 2rem; }
}

/* --- SECTION SPACING --- */
section {
  padding: 3rem 0;
}
@media (min-width: 640px) {
  section { padding: 4rem 0; }
}
@media (min-width: 1024px) {
  section { padding: 6rem 0; }
}

/* --- SECTION HEADER --- */
.section-header {
  margin-bottom: 2.5rem;
}
.section-header-light .section-title { color: var(--white); }

.section-title {
  font-size: 2.25rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 0.9;
  margin-bottom: 1rem;
}
@media (min-width: 640px) {
  .section-title { font-size: 3.75rem; }
}
@media (min-width: 1024px) {
  .section-title { font-size: 4.5rem; }
}

.section-deco {
  display: flex;
  gap: 0.5rem;
}

/* ================================================================
   GEOMETRIC SHAPES
   ================================================================ */
.geo-shape {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: var(--border-thin) solid var(--black);
}

.geo-circle {
  border-radius: 50%;
}

.geo-square {
  border-radius: 0;
}

.geo-triangle {
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  border: none;
  background: inherit;
}

/* --- SHAPE COLORS --- */
.bg-red    { background-color: var(--red); }
.bg-blue   { background-color: var(--blue); }
.bg-yellow { background-color: var(--yellow); }
.bg-black  { background-color: var(--black); }
.bg-white  { background-color: var(--white); }

/* --- COLORED SECTION BACKGROUNDS --- */
.section-hero       { background-color: var(--blue); color: var(--white); }
.section-skills     { background-color: var(--yellow); }
.section-projects   { background-color: var(--red); color: var(--white); }
.section-education  { background-color: var(--blue); color: var(--white); }
.section-contact    { background-color: var(--yellow); }

/* ================================================================
   HEADER & NAVIGATION
   ================================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--black);
  color: var(--white);
  border-bottom: var(--border-thin) solid var(--black);
}
@media (min-width: 1024px) {
  .site-header { border-bottom-width: var(--border-thick); }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3.5rem;
}
@media (min-width: 640px) {
  .header-inner { height: 4.5rem; }
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.geometric-logo {
  display: flex;
  gap: 3px;
  align-items: center;
}

.geometric-logo .geo-shape {
  width: 10px;
  height: 10px;
}
@media (min-width: 640px) {
  .geometric-logo .geo-shape {
    width: 14px;
    height: 14px;
  }
}

.brand-name {
  font-weight: 900;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}
@media (min-width: 640px) {
  .brand-name { font-size: 1rem; }
}

/* Nav Toggle (mobile) */
.nav-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  z-index: 110;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--white);
  transition: transform 0.2s ease-out, opacity 0.2s ease-out;
}

/* Nav Menu */
.nav-menu {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  background: var(--black);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(100%);
  transition: transform 0.3s ease-out;
  z-index: 105;
}

.nav-menu--open {
  transform: translateX(0);
}

.nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.nav-list a {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--white);
  padding: 0.5rem 1rem;
  transition: color 0.2s ease-out;
}

.nav-list a:hover,
.nav-list a:focus {
  color: var(--yellow);
  outline: none;
}

.nav-list a:focus-visible {
  outline: 3px solid var(--yellow);
  outline-offset: 4px;
}

/* Desktop nav */
@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }

  .nav-menu {
    position: static;
    width: auto;
    background: transparent;
    transform: none;
    transition: none;
  }

  .nav-list {
    flex-direction: row;
    gap: 2rem;
  }

  .nav-list a {
    font-size: 0.8125rem;
    padding: 0;
    color: var(--muted);
  }

  .nav-list a:hover,
  .nav-list a:focus {
    color: var(--yellow);
  }
}

@media (min-width: 1024px) {
  .nav-list { gap: 2.5rem; }
  .nav-list a { font-size: 0.875rem; }
}

/* ================================================================
   HERO
   ================================================================ */
.section-hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100vh - 3.5rem);
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 2;
}
@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }
}

.hero-name {
  font-size: 3.75rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.85;
  margin-bottom: 1rem;
  color: var(--white);
}
@media (min-width: 640px) {
  .hero-name { font-size: 5rem; }
}
@media (min-width: 1024px) {
  .hero-name { font-size: 7rem; }
}

.hero-title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}
@media (min-width: 640px) {
  .hero-title { font-size: 1.75rem; }
}
@media (min-width: 1024px) {
  .hero-title { font-size: 2rem; }
}

.hero-text {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.7;
  max-width: 36rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}
@media (min-width: 640px) {
  .hero-text { font-size: 1.125rem; }
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Hero geometric decorations */
.hero-shapes {
  display: none;
}
@media (min-width: 1024px) {
  .hero-shapes {
    display: block;
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
  }

  .hero-shape {
    position: absolute;
    will-change: left, top;
  }

  .hero-big-circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: var(--border-thick) solid var(--white);
    background: var(--yellow);
    opacity: 0.15;
  }

  .hero-rotated-square {
    width: 140px;
    height: 140px;
    border: var(--border-thick) solid var(--white);
    background: var(--red);
    opacity: 0.15;
    transform: rotate(45deg);
  }

  .hero-small-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: var(--border-thin) solid var(--white);
    background: var(--yellow);
    opacity: 0.2;
  }

  .hero-triangle-deco {
    width: 60px;
    height: 60px;
    background: var(--white);
    opacity: 0.12;
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  }
}

@media (min-width: 1280px) {
  .hero-big-circle   { width: 260px; height: 260px; }
  .hero-rotated-square { width: 180px; height: 180px; }
}

/* ================================================================
   SKILLS
   ================================================================ */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
}

.skill-card {
  position: relative;
  background: var(--white);
  border: var(--border-thin) solid var(--black);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease-out;
}
@media (min-width: 1024px) {
  .skill-card {
    border-width: var(--border-thick);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
  }
}

.skill-card:hover {
  transform: translateY(-2px);
}
@media (min-width: 1024px) {
  .skill-card:hover {
    transform: translateY(-4px);
  }
}

.skill-card-deco {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 16px;
  height: 16px;
  border: var(--border-thin) solid var(--black);
}
@media (min-width: 1024px) {
  .skill-card-deco {
    width: 20px;
    height: 20px;
    top: -10px;
    right: -10px;
  }
}

.skill-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--fg);
}

.skill-list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
}
.skill-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--fg);
}

/* ================================================================
   EXPERIENCE
   ================================================================ */
.section-experience {
  background: var(--bg);
}

.exp-list {
  display: grid;
  gap: 1.5rem;
}

.exp-card {
  background: var(--white);
  border: var(--border-thin) solid var(--black);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease-out;
}
@media (min-width: 1024px) {
  .exp-card {
    border-width: var(--border-thick);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
  }
}

.exp-card:hover {
  transform: translateY(-2px);
}
@media (min-width: 1024px) {
  .exp-card:hover {
    transform: translateY(-4px);
  }
}

.exp-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.exp-org {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blue);
}

.exp-duration {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.75rem;
  background: var(--fg);
  color: var(--white);
}

.exp-role {
  font-size: 1.125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}
@media (min-width: 640px) {
  .exp-role { font-size: 1.25rem; }
}

.exp-location {
  font-size: 0.8125rem;
  font-weight: 500;
  color: #555;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.exp-details {
  list-style: none;
}

.exp-details li {
  position: relative;
  padding: 0.4rem 0 0.4rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
}

.exp-details li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 6px;
  height: 6px;
  background: var(--red);
  transform: rotate(45deg);
}

/* ================================================================
   PROJECTS
   ================================================================ */
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}

.project-card {
  background: var(--white);
  color: var(--fg);
  border: var(--border-thin) solid var(--black);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s ease-out;
}
@media (min-width: 1024px) {
  .project-card {
    border-width: var(--border-thick);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
  }
}

.project-card:hover {
  transform: translateY(-2px);
}
@media (min-width: 1024px) {
  .project-card:hover {
    transform: translateY(-4px);
  }
}

.project-card-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.project-card-deco {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border: var(--border-thin) solid var(--black);
}
@media (min-width: 1024px) {
  .project-card-deco {
    width: 20px;
    height: 20px;
  }
}

.project-name {
  font-size: 1.5rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  color: var(--fg);
}

.project-desc {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.tag {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.625rem;
  border: var(--border-thin) solid var(--black);
  background: var(--bg);
}

.project-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ================================================================
   EDUCATION
   ================================================================ */
.edu-card {
  background: rgba(255, 255, 255, 0.08);
  border: var(--border-thin) solid rgba(255, 255, 255, 0.3);
  padding: 1.5rem;
}
@media (min-width: 1024px) {
  .edu-card {
    border-width: var(--border-thick);
    padding: 2rem;
  }
}

.edu-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.edu-school {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}
@media (min-width: 640px) {
  .edu-school { font-size: 1.5rem; }
}

.edu-duration {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--yellow);
  color: var(--black);
  padding: 0.2rem 0.75rem;
}

.edu-degree {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.edu-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .edu-grid { grid-template-columns: 1fr 1fr; }
}

.edu-subtitle {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  opacity: 0.8;
}

.edu-list li {
  position: relative;
  padding: 0.3rem 0 0.3rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0.9;
}

.edu-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 6px;
  height: 6px;
  background: var(--yellow);
}

.edu-leadership {
  font-size: 0.9375rem;
  font-weight: 500;
  opacity: 0.9;
  line-height: 1.7;
}

/* ================================================================
   CONTACT
   ================================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 2.5rem;
}
@media (min-width: 640px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: repeat(4, 1fr); }
}

.contact-card {
  background: var(--white);
  border: var(--border-thin) solid var(--black);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  transition: transform 0.2s ease-out;
}
@media (min-width: 1024px) {
  .contact-card {
    border-width: var(--border-thick);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
  }
}

.contact-card:hover {
  transform: translateY(-2px);
}

.contact-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--fg);
  color: var(--white);
}

.contact-link {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  transition: opacity 0.2s;
}

@media (min-width: 400px) {
  .contact-link { font-size: 0.8125rem; }
}

a.contact-link:hover {
  opacity: 0.7;
}

.contact-cta {
  display: flex;
  justify-content: center;
}

/* ================================================================
   BUTTONS
   ================================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: all 0.15s ease-out;
  border: var(--border-thin) solid var(--black);
  text-align: center;
}
@media (min-width: 1024px) {
  .btn {
    font-size: 0.875rem;
    padding: 0.875rem 2rem;
    border-width: var(--border-thick);
  }
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: none;
}
.btn:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

/* Button variants */
.btn-yellow {
  background: var(--yellow);
  color: var(--black);
  box-shadow: var(--shadow-sm);
}
@media (min-width: 1024px) {
  .btn-yellow { box-shadow: var(--shadow-md); }
}
.btn-yellow:hover {
  background: #e0b010;
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline-white:hover {
  background: var(--white);
  color: var(--blue);
}

.btn-outline {
  background: transparent;
  color: var(--fg);
  border-color: var(--fg);
}
.btn-outline:hover {
  background: var(--fg);
  color: var(--white);
}

.btn-outline.btn-sm {
  font-size: 0.6875rem;
  padding: 0.5rem 1rem;
  letter-spacing: 0.1em;
}
@media (min-width: 1024px) {
  .btn-outline.btn-sm {
    font-size: 0.75rem;
    padding: 0.5rem 1.25rem;
  }
}

.btn-black {
  background: var(--black);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
@media (min-width: 1024px) {
  .btn-black { box-shadow: var(--shadow-md); }
}
.btn-black:hover {
  background: #333;
}

/* ================================================================
   FOOTER
   ================================================================ */
.site-footer {
  color: var(--white);
  border-top: var(--border-thin) solid var(--black);
}
@media (min-width: 1024px) {
  .site-footer { border-top-width: var(--border-thick); }
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-name {
  font-weight: 900;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
}

.footer-links a {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--yellow);
}

.footer-copy {
  font-size: 0.75rem;
  color: #777;
  font-weight: 400;
}

/* ================================================================
   RESPONSIVE ADJUSTMENTS
   ================================================================ */
@media (max-width: 767px) {
  .hero-name {
    font-size: 2.75rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .exp-card, .skill-card, .project-card, .contact-card {
    padding: 1rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .project-links {
    flex-direction: column;
  }

  .project-links .btn {
    width: 100%;
  }
}

@media (max-width: 639px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .edu-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }
}

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

/* --- Print styles --- */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .skip-link,
  .hero-shapes,
  .hero-actions,
  .contact-cta {
    display: none !important;
  }

  section {
    padding: 1rem 0 !important;
    page-break-inside: avoid;
  }

  body {
    font-size: 11pt;
    color: #000;
    background: #fff;
  }
}