/* Grace Berman, LCSW - Ink & Signal Resource Hub */

/* ===== RESET & BASE ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --white: #ffffff;
  --ink: #1e293b;
  --charcoal: #334155;
  --silver: #94a3b8;
  --signal: #22d3ee;
  --rose: #fb7185;

  --font-heading: 'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-body: 'DM Sans', system-ui, -apple-system, sans-serif;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
}

h2 {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  margin-bottom: 1.25rem;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 1rem;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: 0.875rem;
}

p {
  margin-bottom: 1.25rem;
}

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

a:hover {
  opacity: 0.7;
}

strong {
  font-weight: 600;
}

/* ===== LAYOUT CONTAINERS ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section {
  padding: 5rem 0;
}

@media (max-width: 768px) {
  section {
    padding: 3rem 0;
  }
}

/* ===== HEADER & NAVIGATION ===== */
header {
  background: var(--white);
  border-bottom: 2px solid var(--ink);
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.logo:hover {
  opacity: 1;
  color: var(--signal);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
}

.nav-links a:hover {
  color: var(--signal);
  opacity: 1;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--signal);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--ink);
  padding: 0.5rem 1rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 2px solid var(--ink);
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links li {
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--silver);
  }

  .nav-links li:first-child {
    border-top: none;
  }
}

/* ===== HERO SECTIONS ===== */
.hero {
  padding: 6rem 0;
  border-bottom: 2px solid var(--ink);
}

.hero-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.hero-path {
  border: 3px solid var(--ink);
  padding: 2.5rem;
  position: relative;
  background: var(--white);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-path:hover {
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 var(--ink);
}

.path-label {
  display: inline-block;
  background: var(--rose);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.375rem 0.875rem;
  margin-bottom: 1.5rem;
}

.hero-path h2 {
  margin-bottom: 1rem;
}

.hero-path p {
  color: var(--charcoal);
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .hero {
    padding: 3rem 0;
  }

  .hero-dual {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.875rem 2rem;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn:hover {
  background: var(--ink);
  color: var(--white);
  opacity: 1;
}

.btn-signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}

.btn-signal:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--signal);
}

/* ===== DARK SECTIONS ===== */
.section-dark {
  background: var(--ink);
  color: var(--white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--white);
}

.section-dark p {
  color: var(--silver);
}

.section-dark a {
  color: var(--signal);
}

.section-dark .btn {
  border-color: var(--white);
  color: var(--white);
}

.section-dark .btn:hover {
  background: var(--white);
  color: var(--ink);
}

/* ===== CARDS & GRIDS ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  border: 2px solid var(--ink);
  padding: 2rem;
  background: var(--white);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateX(4px) translateY(-4px);
  box-shadow: -4px 4px 0 var(--ink);
}

.card-badge {
  display: inline-block;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.625rem;
  margin-bottom: 1rem;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--charcoal);
  font-size: 0.9375rem;
  margin-bottom: 1.5rem;
}

.card-link {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--signal);
}

/* Dark cards for dark sections */
.section-dark .card {
  border-color: var(--signal);
  background: var(--charcoal);
}

.section-dark .card:hover {
  box-shadow: -4px 4px 0 var(--signal);
}

.section-dark .card h3 {
  color: var(--white);
}

/* ===== RESOURCE LISTS ===== */
.resource-list {
  list-style: none;
  margin-top: 2rem;
}

.resource-item {
  border-left: 3px solid var(--signal);
  padding: 1.5rem 0 1.5rem 1.5rem;
  margin-bottom: 1.5rem;
}

.resource-item h4 {
  margin-bottom: 0.5rem;
}

.resource-item p {
  color: var(--charcoal);
  font-size: 0.9375rem;
  margin-bottom: 0.75rem;
}

.resource-meta {
  font-size: 0.875rem;
  color: var(--silver);
  font-weight: 500;
}

/* ===== TOPIC CARDS ===== */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.topic-card {
  border: 2px solid var(--charcoal);
  padding: 1.75rem;
  background: var(--white);
  position: relative;
  transition: all 0.2s ease;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--signal);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.topic-card:hover {
  border-color: var(--signal);
}

.topic-card:hover::before {
  opacity: 1;
}

.topic-card h4 {
  margin-bottom: 0.625rem;
}

.topic-card p {
  font-size: 0.875rem;
  color: var(--charcoal);
  margin-bottom: 0;
}

/* ===== CALLOUT BOXES ===== */
.callout {
  border: 3px solid var(--rose);
  padding: 2.5rem;
  margin: 3rem 0;
  background: var(--white);
}

.callout h3 {
  color: var(--rose);
  margin-bottom: 1rem;
}

.section-dark .callout {
  background: var(--charcoal);
  border-color: var(--rose);
}

.section-dark .callout h3 {
  color: var(--rose);
}

/* ===== CREDENTIALS SECTION ===== */
.credentials-list {
  list-style: none;
  margin-top: 2rem;
}

.credential-item {
  background: var(--ink);
  color: var(--white);
  padding: 1.5rem 2rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.credential-badge {
  background: var(--rose);
  color: var(--white);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.credential-text h4 {
  color: var(--white);
  margin-bottom: 0.25rem;
}

.credential-text p {
  color: var(--silver);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ===== NEWSLETTER SIGNUP ===== */
.newsletter-form {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  max-width: 600px;
}

.newsletter-form input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.875rem 1.25rem;
  border: 2px solid var(--ink);
  background: var(--white);
  color: var(--ink);
}

.newsletter-form input::placeholder {
  color: var(--silver);
}

.newsletter-form button {
  white-space: nowrap;
}

@media (max-width: 640px) {
  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-form button {
    width: 100%;
  }
}

/* ===== CONTACT SECTION ===== */
.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin-top: 3rem;
}

.contact-method {
  border-left: 4px solid var(--signal);
  padding-left: 1.5rem;
}

.contact-method h3 {
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
}

.contact-method p {
  color: var(--charcoal);
  margin-bottom: 0.5rem;
}

/* ===== FOOTER ===== */
footer {
  background: var(--ink);
  color: var(--white);
  padding: 3rem 0 2rem;
  border-top: 2px solid var(--ink);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-about h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-about p {
  color: var(--silver);
  font-size: 0.9375rem;
}

.footer-links h4 {
  color: var(--white);
  margin-bottom: 1rem;
  font-size: 1rem;
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.625rem;
}

.footer-links a {
  color: var(--silver);
  font-size: 0.9375rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--charcoal);
  text-align: center;
  color: var(--silver);
  font-size: 0.875rem;
}

@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 4rem;
}

.mb-4 {
  margin-bottom: 4rem;
}

.border-top {
  border-top: 2px solid var(--silver);
  padding-top: 3rem;
  margin-top: 3rem;
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 2px;
}