/*/// DESIGN SYSTEM /// */
:root {
  /* Colors */
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f1ed;
  --color-border-subtle: #ddddd6;
  --color-text-main: #141414;
  --color-text-muted: #5f5f5f;
  --color-accent: #111827;
  --color-accent-soft: rgba(17, 24, 39, 0.06);
  --color-outline: #111827;

  /* Typography */
  --font-heading: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "DM Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2.15rem;
  --text-4xl: 2.75rem;

  /* Layout */
  --radius-sm: 0.4rem;
  --radius-md: 0.8rem;
  --radius-lg: 1.2rem;

  --shadow-soft: 0 18px 60px rgba(15, 23, 42, 0.08);
  --shadow-subtle: 0 10px 30px rgba(15, 23, 42, 0.05);

  --container-max: 1040px;
  --section-padding-y: 5.5rem;

  /* Motion */
  --transition-fast: 0.18s ease-out;
  --transition-med: 0.22s ease-out;
  --transition-slow: 0.4s ease-out;
}

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

html {
  scroll-behavior: smooth;
}

@keyframes page-fade-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--color-text-main);
  background: radial-gradient(circle at top left, #ffffff, var(--color-bg));
  -webkit-font-smoothing: antialiased;
  opacity: 0;
  transform: translateY(12px);
  animation: page-fade-in 0.7s var(--transition-slow) forwards;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-outline);
  outline-offset: 2px;
}

p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
}

h1,
h2,
h3,
h4 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--color-text-main);
}

h1 {
  font-size: clamp(2.6rem, 3vw + 1.5rem, 3.6rem);
  line-height: 1;
  max-width: 11ch;
}

h2 {
  font-size: clamp(1.9rem, 1.2vw + 1.4rem, 2.35rem);
  line-height: 1.08;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.2;
}

h4 {
  font-size: 1.02rem;
  line-height: 1.3;
}

ul {
  margin: 0;
  padding-left: 1.1rem;
}

/* LAYOUT HELPERS ------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding-y) 0;
}

.section-alt {
  background: var(--color-surface-alt);
}

.section-header {
  max-width: 42rem;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-header.align-left {
  margin-left: 0;
  text-align: left;
}

.section-header p {
  margin-top: 0.85rem;
  max-width: 38rem;
}

.grid {
  display: grid;
  gap: 1.8rem;
}



@media (min-width: 720px) {
  @media (min-width: 720px) {
  .grid.projects-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
  }

  .grid.skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

  .grid.skills-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* HEADER --------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(247, 247, 245, 0.96), rgba(247, 247, 245, 0.9));
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.logo-mark {
  width: 2.1rem;
  height: 2.1rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  background: var(--color-surface);
  box-shadow: var(--shadow-subtle);
}

.logo-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-list a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  position: relative;
  padding: 0.2rem 0;
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1px;
  background: var(--color-text-main);
  transition: width var(--transition-fast);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after,
.nav-list a.is-active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  border: none;
  background: transparent;
  padding: 0.3rem;
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px 0;
  border-radius: 999px;
  background: var(--color-text-main);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

@media (max-width: 720px) {
  .header-inner {
    padding-inline: 1.25rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-list {
    position: absolute;
    right: 1.2rem;
    top: 3.3rem;
    flex-direction: column;
    align-items: flex-end;
    padding: 0.9rem 1rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    transform-origin: top right;
    transform: scale(0.96) translateY(-4px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-med), transform var(--transition-med);
  }

  .site-nav.open .nav-list {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1) translateY(0);
  }
}

/* HERO ----------------------------------------------------------- */
.hero {
  padding-top: 6.5rem;
}

.hero-inner {
  display: grid;
  gap: 2rem;
}

.hero-copy {
  max-width: 46rem;
}

.eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.lead {
  font-size: 1.08rem;
  line-height: 1.8;
  max-width: 38rem;
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2rem 0 2rem;
}

.hero-meta {
  display: grid;
  gap: 1rem 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-border-subtle);
}

.hero-meta-item {
  display: grid;
  gap: 0.3rem;
}

.hero-meta dt {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.hero-meta dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-text-main);
}

@media (max-width: 720px) {
  .hero {
    padding-top: 5.5rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero-meta {
    grid-template-columns: 1fr;
  }
}

/* BUTTONS -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: var(--text-sm);
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.65rem 1.3rem;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast),
    box-shadow var(--transition-fast), transform var(--transition-fast);
}

.resume-link {
  opacity: 0.9;
}

.resume-link:hover {
  opacity: 1;
}

.btn.primary {
  background: var(--color-accent);
  color: #f9fafb;
  box-shadow: var(--shadow-soft);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 60px rgba(15, 23, 42, 0.2);
}

.btn.ghost {
  background: transparent;
  border-color: var(--color-border-subtle);
  color: var(--color-text-main);
}

.btn.ghost:hover {
  background: var(--color-accent-soft);
}

.btn.full-width {
  width: 100%;
}


.text-link {
  font-size: var(--text-sm);
  color: var(--color-text-main);
  position: relative;
  padding-bottom: 0.15rem;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: rgba(15, 23, 42, 0.55);
  transform-origin: left;
  transform: scaleX(1);
  transition: transform var(--transition-fast);
}

.text-link:hover::after {
  transform: scaleX(0.65);
}

/* INTERACTION / HOVER EFFECTS ----------------------------------- */
.card,
.skills-group,
.case-study,
.resume-summary,
.contact-form {
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
}

.card:hover,
.skills-group:hover,
.case-study:hover,
.resume-summary:hover,
.contact-form:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
  border-color: rgba(0, 0, 0, 0.06);
}

/* CARDS ---------------------------------------------------------- */
.card {
  background: var(--color-surface);
  border-radius: 1.2rem;
  padding: 1.5rem 1.5rem 1.2rem;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.card-eyebrow {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.card-text,
.card-summary {
  font-size: var(--text-sm);
  line-height: 1.7;
}

.card-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1rem;
  margin-top: auto;
}

.project-card h3 {
  margin-bottom: 0.1rem;
}

.project-points {
  padding-left: 1rem;
  margin: 0;
  display: grid;
  gap: 0.55rem;
}

.project-points li {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.65;
}

.card-summary {
  margin-bottom: 0;
}

.tag-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.25rem 0 0;
}

.tag-list li {
  font-size: var(--text-xs);
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-accent-soft);
  color: var(--color-text-main);
}

@media (max-width: 720px) {
  .projects-grid {
    gap: 1.25rem;
  }

  .card {
    padding: 1.25rem 1.2rem 1.1rem;
  }
}

/* CASE STUDIES --------------------------------------------------- */
/* CASE STUDIES --------------------------------------------------- */
.case-studies {
  display: grid;
  gap: 1.8rem;
}

.case-study {
  border-radius: 1.2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border-subtle);
  padding: 1.6rem 1.6rem 1.5rem;
}

.case-study-header {
  max-width: 42rem;
}

.case-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-muted);
  margin-bottom: 0.65rem;
}

.case-intro {
  margin-top: 0.8rem;
  margin-bottom: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
}

.case-content {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.case-block {
  padding-top: 1rem;
  border-top: 1px solid var(--color-border-subtle);
}

.case-block h4 {
  margin-bottom: 0.4rem;
}

.case-block p {
  margin-bottom: 0;
}

#case-studies.section {
  padding-bottom: 6.5rem;
}

@media (min-width: 720px) {
  .case-content {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }
}

/* SKILLS --------------------------------------------------------- */
.skills-grid {
  align-items: flex-start;
}

.skills-group {
  padding: 1.3rem 1.2rem 1.2rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border-subtle);
  background: linear-gradient(145deg, var(--color-surface), #fbfbf8);
}

.skills-group h3 {
  margin-bottom: 0.6rem;
}

.skills-group ul {
  list-style: none;
  padding: 0;
}

.skills-group li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: 0.25rem 0;
}

/* ABOUT ---------------------------------------------------------- */

.about-layout {
  display: grid;
  gap: 1.8rem;
}

.about-content {
  max-width: 46rem;
  display: grid;
  gap: 1.4rem;
}

.about-lead {
  font-size: 1.12rem;
  line-height: 1.8;
  color: var(--color-text-main);
  max-width: 42rem;
  margin-bottom: 0;
}

.about-text {
  display: grid;
  gap: 1rem;
 
}

.about-text p {
  margin-bottom: 0;
   color: var(--color-text-main);
}


/* CONTACT -------------------------------------------------------- */
.contact-layout {
  display: grid;
  gap: 1.8rem;
}

#contact .section-header {
  margin-bottom: 2.5rem;
}

#contact .contact-content {
  padding-top: 0.25rem;
}

.contact-content {
  display: grid;
  gap: 1.6rem;
}

.contact-details ul {
  list-style: none;
  padding: 0;
}

.contact-details li {
  font-size: var(--text-sm);
  margin-bottom: 0.4rem;
}

.contact-label {
  display: inline-block;
  width: 4rem;
  color: var(--color-text-muted);
}

.contact-form {
  padding: 1.4rem 1.3rem 1.3rem;
  border-radius: 1rem;
  border: 1px solid var(--color-border-subtle);
  background: var(--color-surface);
  box-shadow: var(--shadow-subtle);
}

.contact-helper {
  font-size: var(--text-xs);
  margin-bottom: 1rem;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 0.9rem;
}

.field-group label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
}

input,
textarea {
  border-radius: 0.6rem;
  border: 1px solid var(--color-border-subtle);
  padding: 0.55rem 0.7rem;
  font-family: inherit;
  font-size: var(--text-sm);
  resize: vertical;
  background: #fdfdfb;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

input:focus-visible,
textarea:focus-visible {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.08);
  background: #ffffff;
}

@media (min-width: 720px) {
  .contact-content {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
    align-items: flex-start;
  }
}

/* FOOTER --------------------------------------------------------- */
.site-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  padding: 1.6rem 0 1.9rem;
}

.footer-inner {
  text-align: center;
}

.footer-inner p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* SCROLL REVEAL ANIMATIONS -------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--transition-med), transform 0.5s var(--transition-med);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.06s;
}

.reveal-delay-2 {
  transition-delay: 0.12s;
}

.reveal-delay-3 {
  transition-delay: 0.18s;
}

/* UTILITIES ------------------------------------------------------ */
[id] {
  scroll-margin-top: 5rem;
}

@media (min-width: 720px) {
  [id] {
    scroll-margin-top: 6rem;
  }
}

/* TEXT WIDTH CONTROL -------------------------------------------- */
.hero h1,
.about-content p,
.case-study p,
.resume-summary li,
.resume-item li,
.contact-content p,
.card-text {
  max-width: 65ch;
}