/* RESET */

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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

ul {
  list-style: none;
}

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

/* DESIGN TOKENS */

:root {
  /* Colors */
  --color-bg: #FAFAFA;
  --color-surface: #FFFFFF;
  --color-text: #211D1A;
  --color-muted: #6F6A63;
  --color-accent: #E08A45;
  --color-border: #E4DED5;

  /* Typography */
  --font-heading: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "JetBrains Mono", monospace;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 3rem;
  --space-2xl: 4.5rem;

  /* Layout */
  --container-width: 800px;
  --section-spacing: 3rem;
  --header-height: 4rem;

  /* Radius */
  --radius-md: 0.75rem;

  /* Motion */
  --transition: 200ms ease;
}
/* BASE */
body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
}

h1,
h2,
h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

p {
  color: var(--color-text);
}

::selection {
  background-color: var(--color-accent);
  color: var(--color-text);
}

/* Visible keyboard focus */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* SITE HEADER */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.logo__accent {
  color: var(--color-accent);
}

.site-nav ul {
  display: flex;
  gap: var(--space-lg);
}

.site-nav a {
  position: relative;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:hover {
  color: var(--color-text);
}
.site-nav a:hover::after {
  transform: scaleX(1);
}
.site-nav a.active {
  color: var(--color-text);
}

.site-nav a.active::after {
  transform: scaleX(1);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  touch-action: manipulation;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-md);
}

/* HERO */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-block: var(--space-2xl);
  scroll-margin-top: var(--header-height);
}

.hero-content {
  max-width: 600px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.hero-content h2 {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-muted);
  margin-bottom: var(--space-lg);
}

.hero-content h2 .arrow {
  color: var(--color-accent);
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--color-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* MAIN SECTIONS HEADINGS */

main section {
 padding-block: var(--section-spacing); 
  scroll-margin-top: var(--header-height); 
}

main section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

/* ABOUT */

.about-content p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: var(--space-sm);
}

.about-content p:last-child {
  margin-bottom: 0;
}
/* SERVICES */

.services-list {
  display: flex;
  flex-direction: column;
}

.service-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-md);
  padding-block: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.service-item:first-child {
  border-top: none;
  padding-top: 0;
}

.service-item__number {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-accent);
}

.service-item__body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.service-item__body p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 560px;
  margin-bottom: var(--space-sm);
}

.service-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.service-item__tags li {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-muted);
  padding: 0.25rem 0.625rem;
  border: 1px solid var(--color-border);
}

/* RESUME */

.resume-content p {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.resume-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-sm);
}

.resume-action {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition);
}

.resume-action:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
  background: var(--color-accent);
}
/* PROJECTS */

.projects-grid {
  display: grid;
  gap: var(--space-lg);
}

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.project-card:hover {
  border-color: var(--color-accent);
}

.project-card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--color-border);
}

.project-card__body {
  padding: var(--space-lg);
}

.project-card__body h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.project-card__body h3 a {
  color: var(--color-text);
  transition: color var(--transition);
}

.project-card__body h3 a:hover {
  color: var(--color-accent);
}

.project-card__body p {
  font-size: 1rem;
  color: var(--color-muted);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.project-card__live-link {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.project-card__live-link:hover {
  border-bottom-color: var(--color-accent);
}
/* CONTACT */

.contact-lead {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.7;
  max-width: 640px;
  margin-bottom: var(--space-xl);
}

.contact-layout {
  display: grid;
  gap: var(--space-xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-email {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  color: var(--color-text);
  transition: border-color var(--transition), color var(--transition);
  margin-bottom: var(--space-lg);
}

.contact-email:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-muted);
  transition: color var(--transition);
}

.social-links a svg {
  width: 1.125rem;
  height: 1.125rem;
  flex-shrink: 0;
}

.social-links a:hover {
  color: var(--color-text);
}

.contact-status {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 640px;
}
.form-submit:disabled {
  cursor: wait;
  opacity: 0.65;
}

.form-status {
  min-height: 1.6em;
  font-size: 0.875rem;
  color: var(--color-muted);
}

.form-status[data-state="success"] {
  color: #146c43;
}

.form-status[data-state="error"] {
  color: #b42318;
}

/* Form */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-muted);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.625rem var(--space-sm);
  border: 1px solid var(--color-border);
  background-color: var(--color-surface);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  border-radius: 0;
  transition: border-color var(--transition);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible {
  border-color: var(--color-accent);
  outline: 3px solid color-mix(in srgb, var(--color-accent) 35%, transparent);
  outline-offset: 2px;
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.form-submit {
  align-self: flex-start;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  background-color: transparent;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition);
}

.form-submit:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
  background: var(--color-accent);
}

/* FOOTER */

footer {
  padding-block: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
}

footer p {
  font-size: 0.875rem;
  color: var(--color-muted);
  text-align: center;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--color-border);
  color: var(--color-muted);
  transition: border-color var(--transition), color var(--transition);
}

.footer-social a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.footer-social svg {
  width: 1.125rem;
  height: 1.125rem;
}

/* MEDIA QUERIES
   All breakpoints for the file live here, together, ordered smallest to
   largest. Each block is listed once — no breakpoint repeats.*/

/* Reduced motion preference */
@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;
  }
}

/* Small screens: max-width 600px */
@media (max-width: 600px) {
  :root {
    --section-spacing: 4rem;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .hero-content h2 {
    font-size: 1rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

  main section h2 {
    font-size: 1.5rem;
  }

  .project-card__body {
    padding: var(--space-md);
  }
}

/* Mobile nav breakpoint: max-width 767px */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    border-bottom: 1px solid var(--color-border);

    /* Animate height without arbitrary max-height */
    display: grid;
    grid-template-rows: 0fr;
    visibility: hidden;
    transition: grid-template-rows var(--transition), visibility var(--transition);
  }

  .site-nav[data-open="true"] {
    grid-template-rows: 1fr;
    visibility: visible;
  }

  .site-nav > ul {
    overflow: hidden;
    min-height: 0; /* required for 0fr to collapse */
    flex-direction: column;
    gap: 0;
    padding: var(--space-sm) var(--space-md);
  }

  .site-nav li {
    padding-block: var(--space-xs);
  }
}

/* Tablet and up: min-width 768px */
@media (min-width: 768px) {
  .resume-actions {
    flex-direction: row;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop and up: min-width 1024px */
@media (min-width: 1024px) {
  .projects-grid {
    gap: var(--space-xl);
  }

  .contact-layout {
    grid-template-columns: 1fr 1.5fr;
    align-items: start;
    gap: var(--space-2xl);
  }
}