/* =============================================================
   JMD Personal Website — styles.css
   Color System:
     --violet:       #57068C  (primary accent, NYU violet)
     --violet-hover: #8900E1  (ultra violet, hover/highlight only)
     --black:        #000000
     --white:        #FFFFFF
     --gray-light:   #F5F5F7  (card/section backgrounds)
     --gray-mid:     #E0E0E0  (borders, dividers)
     --text-dark:    #1A1A1A  (body text, near-black)
     --text-muted:   #555555  (secondary text)
   ============================================================= */

/* ── Reset & Base ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

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

:root {
  --violet:        #57068C;
  --violet-hover:  #8900E1;
  --black:         #000000;
  --white:         #FFFFFF;
  --gray-light:    #F5F5F7;
  --gray-mid:      #E0E0E0;
  --text-dark:     #1A1A1A;
  --text-muted:    #555555;
  --max-width:     1050px;
  --section-gap:   4rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-dark);
  background-color: var(--white);
}

a {
  color: var(--violet);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--violet-hover);
  text-decoration: underline;
}

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

/* ── Layout Wrapper ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Navigation Header ────────────────────────────────────── */
header {
  background-color: var(--white);
  border-bottom: 2px solid var(--violet);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(87, 6, 140, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.site-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--violet);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.site-title:hover {
  color: var(--violet-hover);
  text-decoration: none;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.2s ease;
}

nav a:hover,
nav a.active {
  color: var(--violet);
  text-decoration: none;
}

nav a.nav-linkedin {
  color: var(--violet);
  font-weight: 600;
}

nav a.nav-linkedin:hover {
  color: var(--violet-hover);
}

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--violet);
  margin: 5px 0;
  transition: 0.3s ease;
}

/* ── Hero / Intro Section ─────────────────────────────────── */
.hero {
  background-color: var(--gray-light);
  border-bottom: 1px solid var(--gray-mid);
  padding: 3.5rem 1.5rem;
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 0.5rem;
}

.hero .subtitle {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--violet);
  margin-bottom: 1.25rem;
}

.hero .intro-text {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 700px;
  margin-bottom: 1.75rem;
}

.btn-resume {
  display: inline-block;
  background-color: var(--violet);
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.65rem 1.5rem;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.2s ease;
  border: 2px solid var(--violet);
}

.btn-resume:hover {
  background-color: var(--violet-hover);
  border-color: var(--violet-hover);
  color: var(--white);
  text-decoration: none;
}

/* ── Section Base Styles ──────────────────────────────────── */
section {
  padding: var(--section-gap) 1.5rem;
}

section:nth-child(even) {
  background-color: var(--gray-light);
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--violet);
  margin-bottom: 0.5rem;
}

h2.section-title {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--black);
  margin-bottom: 1.5rem;
  line-height: 1.25;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

/* ── Resume Section ───────────────────────────────────────── */
.resume-section {
  background-color: var(--white);
}

/* Resume content styles — applied to the pasted HTML */
.resume-content h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--violet);
  border-bottom: 2px solid var(--violet);
  padding-bottom: 0.4rem;
  margin: 2rem 0 1rem;
}

.resume-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.resume-content .resume-meta {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.resume-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.resume-content ul li {
  margin-bottom: 0.35rem;
  font-size: 0.97rem;
}

.resume-content .job-entry {
  margin-bottom: 1.75rem;
}

/* ── About Page Content Sections ─────────────────────────── */
.about-section h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  font-weight: 700;
  color: var(--violet);
  margin-bottom: 1rem;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid var(--gray-mid);
}

/* ── Contact Form ─────────────────────────────────────────── */
.contact-section {
  background-color: var(--gray-light);
}

.contact-section .intro {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 600px;
}

.hidden {
  display: none;
}

.form-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.25rem;
}

.form-row label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-family: 'Inter', sans-serif;
  font-size: 0.97rem;
  color: var(--text-dark);
  background-color: var(--white);
  border: 1px solid var(--gray-mid);
  border-radius: 4px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(87, 6, 140, 0.1);
}

.form-row textarea {
  resize: vertical;
  min-height: 130px;
}

.btn-submit {
  display: inline-block;
  background-color: var(--violet);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border: 2px solid var(--violet);
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  margin-top: 0.5rem;
}

.btn-submit:hover {
  background-color: var(--violet-hover);
  border-color: var(--violet-hover);
}

/* Success message (shown after form redirect or JS toggle) */
.form-success {
  display: none;
  background-color: #EAF7ED;
  border: 1px solid #6abf7b;
  color: #1a5c2e;
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin-top: 1rem;
  font-size: 0.97rem;
}

/* ── Footer ───────────────────────────────────────────────── */
footer {
  background-color: var(--black);
  color: #BBBBBB;
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.88rem;
}

footer .footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

footer nav {
  gap: 1.5rem;
}

footer nav a {
  color: #BBBBBB;
  font-weight: 400;
}

footer nav a:hover {
  color: var(--white);
  text-decoration: underline;
}

footer .footer-copy {
  color: #888888;
  font-size: 0.82rem;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --section-gap: 2.75rem;
  }

  .nav-toggle {
    display: block;
  }

  nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 1rem 1.5rem 1.25rem;
    border-top: 1px solid var(--gray-mid);
    background-color: var(--white);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }

  nav.open {
    display: flex;
  }

  header {
    position: relative;
  }

  .hero {
    padding: 2.5rem 1.5rem;
  }

  .btn-resume,
  .btn-submit {
    width: 100%;
    text-align: center;
  }

  footer .footer-inner {
    gap: 0.75rem;
  }
}