/* ============================================================
   RYN Portfolio — nathanielessex.com
   Global styles. Tokens in tokens.css.
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

/* ============================================================
   CONTAINER
   ============================================================ */
.container {
  width: 100%;
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: var(--text-label);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--white);
  transition: color var(--duration-fast) var(--ease);
}
.nav-logo:hover { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  list-style: none;
}

.nav-links a {
  font-family: var(--font-display);
  font-size: var(--text-label);
  font-weight: var(--weight-regular);
  color: var(--gray);
  transition: color var(--duration-fast) var(--ease);
}
.nav-links a:hover { color: var(--white); }

.nav-links a.btn-pill {
  background-color: var(--white);
  color: var(--bg);
  font-weight: var(--weight-semi);
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--radius-pill);
  transition: opacity var(--duration-fast) var(--ease);
}
.nav-links a.btn-pill:hover { opacity: 0.88; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--sp-2);
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background-color: var(--gray);
}

@media (max-width: 640px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0; right: 0;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--sp-5) var(--container-pad);
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: var(--sp-3) 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a.btn-pill {
    margin-top: var(--sp-3);
    display: inline-block;
    width: auto;
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: var(--text-label);
  font-weight: var(--weight-semi);
  line-height: 1;
  cursor: pointer;
  transition: opacity var(--duration-base) var(--ease),
              transform var(--duration-base) var(--ease);
  white-space: nowrap;
}
.btn-pill:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-pill-white {
  background-color: var(--white);
  color: var(--bg);
  border: 1px solid var(--white);
}

.btn-pill-outline {
  background-color: transparent;
  color: var(--white);
  border: 1px solid var(--white);
}
.btn-pill-outline:hover { background-color: rgba(255,255,255,0.06); }

.btn-pill-sm {
  padding: var(--sp-2) var(--sp-5);
  font-size: var(--text-small);
}

/* ============================================================
   TAGS
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: var(--sp-1) var(--sp-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--white);
}

/* ============================================================
   HERO — Home
   ============================================================ */
.hero {
  padding: clamp(80px, 12vw, 176px) 0 clamp(64px, 8vw, 112px);
}

.hero-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-9);
}

.hero-headline {
  display: flex;
  flex-wrap: wrap;
  gap: 0 var(--sp-4);
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-word {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  text-transform: uppercase;
  color: var(--white);
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: clamp(48px, 6vw, 64px);
  padding: 0 clamp(16px, 2vw, 24px);
  border-radius: var(--radius-pill);
  background-color: var(--accent);
  font-family: var(--font-display);
  font-size: clamp(14px, 2vw, 20px);
  font-weight: var(--weight-semi);
  color: var(--white);
  vertical-align: middle;
}

.hero-bottom {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-7);
  flex-wrap: wrap;
}

.hero-social {
  display: flex;
  gap: var(--sp-4);
  align-items: center;
}

.hero-social a {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray);
  transition: color var(--duration-fast) var(--ease);
}
.hero-social a:hover { color: var(--white); }
.hero-social span { color: var(--border); }

.hero-bio {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-loose);
  color: var(--gray);
  max-width: 480px;
}

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-7);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.section-title .star {
  width: 24px;
  height: 24px;
  color: var(--accent);
  flex-shrink: 0;
}

.section-title h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semi);
  color: var(--white);
}

.section-link {
  font-family: var(--font-body);
  font-size: var(--text-label);
  color: var(--gray);
  transition: color var(--duration-fast) var(--ease);
}
.section-link:hover { color: var(--white); }

/* ============================================================
   PROJECT CARDS — RYN horizontal layout
   ============================================================ */
.works-section {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.works-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: var(--sp-6);
  display: flex;
  gap: var(--sp-6);
  align-items: stretch;
  transition: var(--transition-card);
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  background: var(--card-bg-hover);
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.card-image {
  flex-shrink: 0;
  width: clamp(200px, 40%, 572px);
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-image);
  overflow: hidden;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255,128,74,0.08) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
  border-radius: var(--radius-image);
}

.card-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--sp-5);
  min-width: 0;
}

.card-top {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.card-category {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-regular);
  color: var(--gray);
  letter-spacing: 0.04em;
}

.card-metric {
  font-family: var(--font-display);
  font-size: var(--text-display);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  color: var(--white);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  font-weight: var(--weight-semi);
  line-height: var(--leading-snug);
  color: var(--white);
}

.card-desc {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  line-height: var(--leading-normal);
  color: var(--gray);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

@media (max-width: 768px) {
  .project-card { flex-direction: column; }
  .card-image { width: 100%; aspect-ratio: 16 / 9; }
}

/* ============================================================
   RESUME / CTA SECTION
   ============================================================ */
.cta-section {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-7);
  flex-wrap: wrap;
}

.cta-copy h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semi);
  color: var(--white);
  margin-bottom: var(--sp-3);
}

.cta-copy p {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--gray);
  max-width: 480px;
}

/* ============================================================
   CONTACT FORM
   ============================================================ */
.contact-section {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.contact-section h2 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semi);
  color: var(--white);
  margin-bottom: var(--sp-3);
}

.contact-section .contact-intro {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--gray);
  max-width: 560px;
  margin-bottom: var(--sp-8);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  max-width: 720px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

.form-group input,
.form-group textarea {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: var(--sp-3) var(--sp-4);
  outline: none;
  width: 100%;
  transition: border-color var(--duration-base) var(--ease);
  -webkit-appearance: none;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(203,203,203,0.4); }
.form-group textarea { resize: vertical; min-height: 140px; }

@media (max-width: 640px) {
  .contact-form { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: var(--sp-7) 0;
}

.footer-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.footer-name {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

.footer-links {
  display: flex;
  gap: var(--sp-5);
  list-style: none;
}
.footer-links a {
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--gray);
  transition: color var(--duration-fast) var(--ease);
}
.footer-links a:hover { color: var(--white); }

.footer-email {
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--gray);
  transition: color var(--duration-fast) var(--ease);
}
.footer-email:hover { color: var(--white); }

/* ============================================================
   CASE STUDY HERO
   ============================================================ */
.cs-hero-banner {
  position: relative;
  width: 100%;
  aspect-ratio: 1440 / 362;
  min-height: 240px;
  overflow: hidden;
  background: var(--surface);
  display: flex;
  align-items: flex-end;
}

.cs-hero-banner-img {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255,128,74,0.10) 100%);
}

.cs-hero-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(1,2,8,0.85) 0%, transparent 60%);
}

.cs-hero-banner-title {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: var(--sp-7) var(--container-pad);
  font-family: var(--font-display);
  font-size: var(--text-h1);
  font-weight: var(--weight-semi);
  color: var(--white);
  text-align: center;
}

/* Case study meta strip */
.cs-meta-strip {
  border-bottom: 1px solid var(--border);
  padding: var(--sp-8) 0;
}

.cs-meta-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-6) var(--sp-6);
}

.cs-meta-left {
  display: flex;
  gap: var(--sp-7);
  flex-wrap: wrap;
}

.cs-meta-item {}

.cs-meta-item .meta-label {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-regular);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: var(--sp-1);
}

.cs-meta-item .meta-value {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--white);
  font-weight: var(--weight-regular);
}

.cs-meta-right {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.cs-meta-right .cs-summary {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  line-height: var(--leading-normal);
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

@media (max-width: 768px) {
  .cs-meta-inner { grid-template-columns: 1fr; }
}

/* Case study headline metric */
.cs-metric-callout {
  border-top: 1px solid var(--border);
  padding: var(--sp-8) 0;
}

.cs-metric-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.cs-metric-number {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: var(--weight-black);
  line-height: var(--leading-tight);
  color: var(--accent);
}

.cs-metric-desc {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--gray);
  max-width: 400px;
  padding-bottom: 8px;
}

/* Case study content images */
.cs-images {
  padding: var(--sp-7) 0;
}

.cs-images-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.cs-image-block {
  width: 100%;
  border-radius: var(--radius-image);
  overflow: hidden;
  background: var(--surface);
}

.cs-image-placeholder {
  width: 100%;
  aspect-ratio: 1240 / 765;
  background: linear-gradient(135deg, var(--surface), rgba(255,128,74,0.06));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.18);
}

/* Case study content sections */
.cs-content-section {
  padding: var(--sp-7) 0;
  border-top: 1px solid var(--border);
}

.cs-content-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
}

.cs-section-label {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-weight: var(--weight-semi);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: var(--sp-5);
}

.cs-section-body {
  font-family: var(--font-body);
  font-size: var(--text-lead);
  line-height: var(--leading-loose);
  color: var(--white);
  max-width: 800px;
}

.cs-section-body p { margin-bottom: var(--sp-4); }
.cs-section-body p:last-child { margin-bottom: 0; }

.cs-section-body ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.cs-section-body ul li {
  padding-left: var(--sp-5);
  position: relative;
}
.cs-section-body ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: var(--text-small);
  top: 4px;
}

.cs-outcome-highlight {
  display: inline-flex;
  flex-direction: column;
  gap: var(--sp-2);
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: var(--sp-5) var(--sp-6);
  margin-bottom: var(--sp-5);
}

.cs-outcome-highlight .outcome-num {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-black);
  color: var(--accent);
  line-height: var(--leading-tight);
}

.cs-outcome-highlight .outcome-desc {
  font-family: var(--font-body);
  font-size: var(--text-label);
  color: var(--gray);
}

.cs-skills-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

/* Tableau placeholder */
.tableau-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-image);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
}
.tableau-placeholder .tp-label {
  font-family: var(--font-display);
  font-size: var(--text-label);
  font-weight: var(--weight-semi);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}
.tableau-placeholder .tp-note {
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: rgba(203,203,203,0.5);
  text-align: center;
  max-width: 400px;
}

/* Other projects / bottom nav */
.cs-other-projects {
  padding: var(--section-gap) 0;
  border-top: 1px solid var(--border);
}

.cs-nav-bottom {
  border-top: 1px solid var(--border);
  padding: var(--sp-7) 0;
}

.cs-nav-inner {
  max-width: calc(var(--container-max) + var(--container-pad) * 2);
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.cs-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-label);
  font-weight: var(--weight-semi);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--gray);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  transition: color var(--duration-fast) var(--ease);
}
.cs-nav-link:hover { color: var(--white); }

/* ============================================================
   404
   ============================================================ */
.page-404 {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--container-pad);
  gap: var(--sp-5);
}
.page-404 .num {
  font-family: var(--font-display);
  font-size: clamp(80px, 15vw, 160px);
  font-weight: var(--weight-black);
  color: var(--accent);
  opacity: 0.25;
  line-height: 1;
}
.page-404 h1 {
  font-family: var(--font-display);
  font-size: var(--text-h2);
  font-weight: var(--weight-semi);
  color: var(--white);
}
.page-404 p {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--gray);
  max-width: 360px;
}

/* ============================================================
   STAR SVG ICON (inline)
   ============================================================ */
.star-icon {
  display: inline-block;
  width: 24px;
  height: 24px;
  color: var(--accent);
  vertical-align: middle;
}