/* =========================================================
EPIC – NUCLEAR MEDICINE WORKFLOW ARCHITECTURE DESIGN CSS STYLESHEET
========================================================= */
/* ==========================================================================
1. DESIGN TOKENS & GLOBAL RESET
========================================================================== */

:root {
  --black: #030303;
  --black-soft: #080808;
  --panel: #0c0d10;
  --panel-light: #111318;

  --white: #ffffff;
  --text: #e7e9ee;
  --muted: #a5aab4;
  --dim: #6f7580;

  --epic-red: #d7233b;
  --epic-red-bright: #e60026;
  --epic-red-soft: rgba(230, 0, 38, 0.14);
  --epic-red-glow: rgba(230, 0, 38, 0.35);

  --sap-blue: #0875d1;
  --sap-blue-bright: #27a2ff;
  --sap-blue-soft: rgba(8, 117, 209, 0.16);
  --sap-blue-glow: rgba(39, 162, 255, 0.28);

  --success-green: #20c970;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.17);

  --content-width: 1520px;
  --radius-small: 14px;
  --radius-medium: 24px;
  --radius-large: 34px;

  --shadow: 0 24px 70px rgba(0, 0, 0, 0.52);
  --shadow-deep: 0 36px 100px rgba(0, 0, 0, 0.72);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--black);
  color: var(--white);
  font-family: "Urbanist", "Segoe UI", sans-serif;
  line-height: 1.65;
}

body.nav-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
figure,
blockquote {
  margin-top: 0;
}

:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 4px;
}

::selection {
  background: var(--epic-red-bright);
  color: var(--white);
}


/* ==========================================================================
2. ACCESSIBILITY & SHARED PAGE SHELLS
========================================================================== */

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  transform: translateY(-170%);
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--white);
  color: var(--black);
  font-weight: 800;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.section-shell {
  width: min(calc(100% - 56px), var(--content-width));
  margin-inline: auto;
}


/* ==========================================================================
3. PROJECT NAVIGATION
========================================================================== */

.site-header {
  position: relative;
  inset: auto;
  z-index: 4;

  width: min(calc(100% - 90px), 1180px);
  margin: 0 auto 42px;
  padding: 0;

  pointer-events: none;
}

.project-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 1180px);
  min-height: 66px;
  margin-inline: auto;
  padding: 9px 11px 9px 20px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(7, 7, 8, 0.82);
  box-shadow: 0 16px 50px rgba(0, 0, 0, 0.48);
  backdrop-filter: blur(22px);
  pointer-events: auto;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--white);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.nav-brand-line {
  width: 18px;
  height: 3px;
  border-radius: 999px;
}

.nav-brand-red {
  background: var(--epic-red-bright);
  box-shadow: 0 0 14px var(--epic-red-glow);
}

.nav-brand-blue {
  background: var(--sap-blue-bright);
  box-shadow: 0 0 14px var(--sap-blue-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links li {
  display: contents;
}

.nav-link {
  position: relative;
  padding: 12px 16px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
  transition:
    color 0.2s ease,
    background 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  background: rgba(255, 255, 255, 0.07);
  color: var(--white);
}

.nav-link.active::after {
  position: absolute;
  right: 18px;
  bottom: 7px;
  left: 18px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--epic-red-bright), var(--sap-blue-bright));
  content: "";
}

.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  border-radius: 99px;
  background: var(--white);
  transition:
    transform 0.2s ease,
    opacity 0.2s ease;
}


/* ==========================================================================
4. HERO BACKGROUND EFFECTS
========================================================================== */

.hero-glow {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: 1;
  opacity: 0.18;
  pointer-events: none;
}

.hero-glow-red {
  top: -100px;
  left: 20%;
  background: #ff2a2a;
}

.hero-glow-blue {
  bottom: -150px;
  right: 20%;
  background: #0066ff;
}


/* ==========================================================================
5. JHAH BRAND ASSETS
========================================================================== */

.partner-logo {
  height: 28px;
  width: auto;
  object-fit: contain;
}

.shell-divider {
  width: 1px;
  height: 24px;
  background: rgba(0, 0, 0, 0.18);
}

.jhah-logo {
  height: 32px;
  width: auto;
  object-fit: contain;
}

.system-badge-text {
  color: #111111;
  font-size: 0.9rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-label {
  color: #94a3b8;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}


/* ==========================================================================
6. HERO TYPOGRAPHY & ACTIONS
========================================================================== */

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
  text-align: center;
}

.hero-title-main {
  color: #ff2a2a;
  font-size: clamp(2.2rem, 4.2vw, 4.5rem);
  font-weight: 900;
  white-space: nowrap;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 0 55px rgba(255, 42, 42, 0.65);
  line-height: 1.1;
}

.hero-title-secondary {
  color: #ffffff;
  font-size: clamp(1.3rem, 2.5vw, 2.3rem);
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  opacity: 0.98;
  line-height: 1.15;
}

.hero-statement {
  color: #cbd5e1;
  font-size: 1.12rem;
  line-height: 1.65;
  max-width: 780px;
  margin: 0 auto 36px;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.hero-btn-primary {
  background: #ff2a2a;
  color: #ffffff;
  box-shadow: 0 10px 30px rgba(255, 42, 42, 0.45);
}

.hero-btn-primary:hover {
  background: #e02222;
  transform: translateY(-2px);
}

.hero-btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}


/* ==========================================================================
7. WORKFLOW SECTIONS & SYSTEM CARDS
========================================================================== */

.workflow-section {
  padding: 135px 0;
}

.epic-section {
  background:
    radial-gradient(circle at 92% 13%, var(--epic-red-soft), transparent 29%),
    linear-gradient(to bottom, transparent, rgba(230, 0, 38, 0.025), transparent);
}

.sap-section {
  background:
    radial-gradient(circle at 8% 13%, var(--sap-blue-soft), transparent 29%),
    linear-gradient(to bottom, transparent, rgba(8, 117, 209, 0.025), transparent);
}

.unified-workflow-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.75fr);
  gap: 50px;
  align-items: center;
  padding: 50px;
  border: 1px solid var(--border);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-deep);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease,
    border-color 0.3s ease;
}

.epic-unified-card {
  background: linear-gradient(145deg, rgba(230, 0, 38, 0.12), rgba(12, 13, 16, 0.95)), var(--panel);
  border-color: rgba(230, 0, 38, 0.35);
  box-shadow:
    var(--shadow-deep),
    0 0 90px rgba(230, 0, 38, 0.16);
}

.epic-unified-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 0, 38, 0.7);
  box-shadow:
    var(--shadow-deep),
    0 0 130px rgba(230, 0, 38, 0.35);
}

.sap-unified-card {
  background: linear-gradient(145deg, rgba(8, 117, 209, 0.14), rgba(12, 13, 16, 0.95)), var(--panel);
  border-color: rgba(8, 117, 209, 0.35);
  box-shadow:
    var(--shadow-deep),
    0 0 90px rgba(39, 162, 255, 0.16);
}

.sap-unified-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39, 162, 255, 0.7);
  box-shadow:
    var(--shadow-deep),
    0 0 130px rgba(39, 162, 255, 0.35);
}

.workflow-text-col {
  display: flex;
  flex-direction: column;
  gap: 26px;
  order: 1;
}

.workflow-image-col {
  order: 2;
}

.section-kicker {
  margin-bottom: 11px;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.epic-kicker {
  color: var(--epic-red-bright);
}

.sap-kicker {
  color: var(--sap-blue-bright);
}

.workflow-header-group h2 {
  margin-bottom: 16px;
  font-size: clamp(2.4rem, 4.2vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.workflow-desc {
  margin-bottom: 0;
  color: var(--text);
  font-size: 1.08rem;
  line-height: 1.75;
}

.insight-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
}

.insight-item {
  display: flex;
  gap: 15px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-small);
  background: rgba(255, 255, 255, 0.025);
}

.insight-item-wide {
  grid-column: 1 / -1;
}

.insight-icon {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
  font-size: 1.05rem;
  flex-shrink: 0;
}

.epic-unified-card .insight-icon {
  color: var(--epic-red-bright);
}

.sap-unified-card .insight-icon {
  color: var(--sap-blue-bright);
}

.insight-item h4 {
  margin-bottom: 5px;
  font-size: 1.08rem;
  font-weight: 900;
}

.insight-item p {
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.6;
}

.system-display {
  display: flex;
  flex-direction: column;
  min-height: 560px;
  overflow: hidden;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-medium);
  background: var(--black-soft);
  box-shadow: 0 35px 100px rgba(0, 0, 0, 0.9);
}

.epic-display {
  box-shadow:
    0 35px 100px rgba(0, 0, 0, 0.9),
    0 0 75px rgba(230, 0, 38, 0.24);
}

.sap-display {
  box-shadow:
    0 35px 100px rgba(0, 0, 0, 0.9),
    0 0 75px rgba(39, 162, 255, 0.24);
}

.display-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
  padding: 0 22px;
  border-bottom: 1px solid var(--border);
  color: var(--dim);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.display-topline strong {
  color: var(--white);
  font-size: 0.8rem;
}

.system-display img {
  width: 100%;
  height: 100%;
  flex: 1;
  object-fit: contain;
  object-position: center;
  background: #050505;
  padding: 10px;
  cursor: zoom-in;
  transition: transform 0.35s ease;
}

.system-display img:hover {
  transform: scale(1.015);
}


/* ==========================================================================
8. TECHNICAL ARTICLE
========================================================================== */

.article-section {
  padding: 140px 0 170px;
  background:
    radial-gradient(circle at 15% 60%, rgba(230, 0, 38, 0.1), transparent 28%),
    radial-gradient(circle at 86% 28%, rgba(230, 0, 38, 0.05), transparent 30%);
}

.article-card {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(340px, 0.6fr);
  overflow: hidden;
  border: 1.5px solid rgba(230, 0, 38, 0.38);
  border-radius: 38px;
  background: linear-gradient(135deg, rgba(230, 0, 38, 0.13), rgba(12, 13, 16, 0.96)), var(--black-soft);
  box-shadow:
    var(--shadow-deep),
    0 0 100px rgba(230, 0, 38, 0.18);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: rgba(230, 0, 38, 0.7);
  box-shadow:
    var(--shadow-deep),
    0 0 140px rgba(230, 0, 38, 0.32);
}

.article-copy {
  padding: clamp(44px, 6vw, 78px);
}

.article-kicker {
  color: var(--epic-red-bright);
}

.article-copy h2 {
  max-width: 850px;
  margin-bottom: 26px;
  font-size: clamp(2.8rem, 5.2vw, 5.8rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.article-copy > p:not(.section-kicker) {
  max-width: 760px;
  margin-bottom: 38px;
  color: var(--text);
  font-size: clamp(1.08rem, 1.45vw, 1.28rem);
  line-height: 1.82;
}

.linkedin-btn {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 17px;
  width: min(100%, 670px);
  min-height: 90px;
  padding: 14px 18px;
  border: 1px solid rgba(230, 0, 38, 0.4);
  border-radius: 23px;
  background: linear-gradient(135deg, rgba(230, 0, 38, 0.28), rgba(230, 0, 38, 0.08));
  box-shadow: 0 20px 55px rgba(230, 0, 38, 0.18);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease;
}

.linkedin-btn:hover {
  transform: translateY(-3px);
  border-color: rgba(230, 0, 38, 0.75);
}

.linkedin-icon {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 17px;
  background: #0a66c2;
  font-size: 1.55rem;
}

.linkedin-btn > span:nth-child(2) {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.linkedin-btn small {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.linkedin-btn strong {
  font-size: clamp(1rem, 1.4vw, 1.24rem);
}

.article-bridge {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(38px, 5vw, 62px);
  border-left: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.bridge-label {
  color: var(--dim);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.article-bridge blockquote {
  margin: 42px 0;
  font-size: clamp(1.75rem, 3vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.18;
}

.bridge-path {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 800;
}

.bridge-path i {
  margin-left: 6px;
  color: var(--epic-red-bright);
  transform: rotate(90deg);
}


/* ==========================================================================
9. IMAGE LIGHTBOX
========================================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 34px;
  background: rgba(0, 0, 0, 0.94);
  backdrop-filter: blur(16px);
}

.lightbox.show {
  display: flex;
}

.lightbox img {
  max-width: 94vw;
  max-height: 88vh;
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  box-shadow: var(--shadow-deep);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 30px;
  width: 48px;
  height: 48px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
}


/* ==========================================================================
10. FOOTER
========================================================================== */

.site-footer {
  border-top: 1px solid var(--border);
  background: #020202;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  width: min(calc(100% - 56px), var(--content-width));
  min-height: 150px;
  margin-inline: auto;
}

.footer-inner > div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.footer-inner strong {
  font-size: 0.95rem;
}

.footer-inner span,
.footer-inner p,
.footer-inner a {
  color: var(--dim);
  font-size: 0.82rem;
}

.footer-inner p {
  margin-bottom: 0;
  text-align: center;
}

.footer-inner a {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
  transition: color 0.2s ease;
}

.footer-inner a:hover {
  color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.75s ease,
    transform 0.75s ease;
}

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


/* ==========================================================================
11. BASE RESPONSIVE LAYOUT
========================================================================== */

@media (max-width: 1200px) {
  .unified-workflow-card {
    grid-template-columns: 1fr;
    padding: 30px;
  }
  .workflow-image-col {
    order: 1;
  }
  .workflow-text-col {
    order: 2;
  }
}

@media (max-width: 1080px) {
  .article-card {
    grid-template-columns: 1fr;
  }
  .article-bridge {
    border-top: 1px solid var(--border);
    border-left: 0;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    padding: 38px 0;
    text-align: center;
  }
  .footer-inner > div,
  .footer-inner a {
    align-items: center;
    justify-self: center;
  }
}

@media (max-width: 900px) {

  .site-header {
    padding: 15px 15px 0;
  }
  .project-nav {
    position: relative;
    min-height: 60px;
    padding: 7px 8px 7px 16px;
  }
  .nav-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background: rgba(7, 7, 8, 0.97);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 14px 16px;
    text-align: center;
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-toggle.active span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .insight-mini-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title-main {
    white-space: normal;
    font-size: clamp(2rem, 8vw, 2.7rem);
  }

}

@media (max-width: 640px) {
  .section-shell {
    width: min(calc(100% - 28px), var(--content-width));
  }

  .nav-brand-line {
    display: none;
  }
  .nav-brand {
    font-size: 0.68rem;
  }

  .jhah-logo {
    width: 130px;
  }
  .hero-statement {
    font-size: 1.04rem;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-btn {
    width: 100%;
  }
  .workflow-section,
  .article-section {
    padding: 92px 0;
  }
  .article-card {
    border-radius: 24px;
  }
  .article-copy,
  .article-bridge {
    padding: 32px 22px;
  }
  .article-copy h2 {
    font-size: 2.6rem;
  }
  .linkedin-btn {
    grid-template-columns: auto 1fr;
    min-height: 82px;
  }
  .linkedin-btn > i:last-child {
    display: none;
  }
  .linkedin-icon {
    width: 50px;
    height: 50px;
  }
  .footer-inner {
    width: min(calc(100% - 28px), var(--content-width));
  }
}

.hero-title,
.hero-title-secondary {
  font-size: clamp(48px, 6vw, 72px);
  line-height: 1.04;
}

@media (max-width: 700px) {
  .hero-title,
  .hero-title-secondary {
    font-size: clamp(32px, 10vw, 42px);
  }
}

.jhah-logo {
  height: 42px;
}

.hero-title {
  gap: 18px;
}

.hero-title-secondary {
  color: var(--white);
  font-size: clamp(3rem, 5.6vw, 6.5rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 0.95;
  text-transform: none;
}

.hero-title-journey {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 28px);
  flex-wrap: wrap;
  font-size: clamp(1.65rem, 3vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
}

.hero-title-sap {
  color: var(--sap-blue-bright);
  text-shadow: 0 0 30px var(--sap-blue-glow);
}

.hero-title-journey > i {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78em;
}

.hero-title-main {
  color: var(--epic-red);
  font-size: inherit;
  font-weight: 900;
  white-space: normal;
  letter-spacing: -0.025em;
  text-transform: none;
  text-shadow: 0 0 30px var(--epic-red-glow);
}

.unified-workflow-card:hover .system-display {
  transform: translateY(-2px);
}

.system-display {
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.epic-unified-card:hover .epic-display {
  border-color: var(--epic-red);
  box-shadow:
    0 38px 110px rgba(0, 0, 0, 0.92),
    0 0 95px var(--epic-red-glow);
}

.sap-unified-card:hover .sap-display {
  border-color: var(--sap-blue-bright);
  box-shadow:
    0 38px 110px rgba(0, 0, 0, 0.92),
    0 0 95px var(--sap-blue-glow);
}

.insight-item {
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    background 0.28s ease,
    box-shadow 0.28s ease;
}

.insight-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.045);
}

.epic-unified-card .insight-item:hover {
  border-color: var(--epic-red);
  box-shadow: 0 12px 30px var(--epic-red-soft);
}

.sap-unified-card .insight-item:hover {
  border-color: var(--sap-blue-bright);
  box-shadow: 0 12px 30px var(--sap-blue-soft);
}

.insight-icon {
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease;
}

.insight-item:hover .insight-icon {
  transform: translateY(-2px) rotate(-4deg);
}

.epic-unified-card .insight-item:hover .insight-icon {
  box-shadow: 0 0 24px var(--epic-red-glow);
}

.sap-unified-card .insight-item:hover .insight-icon {
  box-shadow: 0 0 24px var(--sap-blue-glow);
}

.article-card {
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
}

.article-copy h2 {
  font-size: clamp(2.8rem, 4.5vw, 4.8rem);
  line-height: 0.98;
}

.linkedin-btn {
  border-color: rgba(10, 102, 194, 0.55);
  background: linear-gradient(135deg, rgba(10, 102, 194, 0.34), rgba(10, 102, 194, 0.1));
  box-shadow: 0 20px 55px rgba(10, 102, 194, 0.22);
}

.linkedin-btn:hover {
  border-color: #0a66c2;
  box-shadow: 0 24px 65px rgba(10, 102, 194, 0.38);
}

.article-visual {
  justify-content: center;
  gap: 20px;
  padding: clamp(28px, 3.5vw, 48px);
}

.article-image-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(39, 162, 255, 0.28);
  border-radius: 24px;
  background: #05070b;
  box-shadow:
    0 28px 70px rgba(0, 0, 0, 0.58),
    0 0 48px rgba(39, 162, 255, 0.12);
  transition:
    transform 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease;
}

.article-image-frame:hover {
  transform: translateY(-4px);
  border-color: var(--sap-blue-bright);
  box-shadow:
    0 34px 80px rgba(0, 0, 0, 0.66),
    0 0 64px var(--sap-blue-glow);
}

.article-image-frame img {
  width: 100%;
  height: auto;
}


/* ==========================================================================
12. PROFESSIONAL BRIDGE
========================================================================== */

.professional-bridge-card {
  --bridge-cyan: #38e8ff;
  --bridge-cyan-soft: rgba(56, 232, 255, 0.12);
  --bridge-cyan-glow: rgba(56, 232, 255, 0.34);

  margin-top: 42px;
  padding: clamp(38px, 5vw, 68px);
  border: 1px solid rgba(56, 232, 255, 0.48);
  border-radius: 34px;
  background:
    radial-gradient(circle at 50% 0%, var(--bridge-cyan-soft), transparent 44%),
    linear-gradient(145deg, rgba(56, 232, 255, 0.045), rgba(255, 255, 255, 0.015)), var(--black-soft);
  box-shadow:
    var(--shadow-deep),
    0 0 70px rgba(56, 232, 255, 0.12);
  text-align: center;
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.professional-bridge-card:hover {
  transform: translateY(-5px);
  border-color: var(--bridge-cyan);
  box-shadow:
    var(--shadow-deep),
    0 0 105px var(--bridge-cyan-glow);
}

.bridge-card-kicker {
  margin-bottom: 12px;
  color: var(--bridge-cyan);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.professional-bridge-card h2 {
  margin-bottom: 38px;
  font-size: clamp(2rem, 3.4vw, 3.7rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
}

.bridge-journey {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1.25fr) auto minmax(0, 1fr);
  align-items: center;
  gap: clamp(16px, 2.2vw, 34px);
}

.bridge-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 88px;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--white);
}

.bridge-stage-core {
  border-color: rgba(56, 232, 255, 0.72);
  background: linear-gradient(135deg, rgba(56, 232, 255, 0.18), rgba(56, 232, 255, 0.055));
  color: var(--bridge-cyan);
  box-shadow: 0 0 38px var(--bridge-cyan-glow);
  transform: scale(1.05);
}

.bridge-stage-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  border: 1px solid currentColor;
  border-radius: 14px;
  color: var(--bridge-cyan);
  background: rgba(56, 232, 255, 0.065);
}

.bridge-stage strong {
  font-size: clamp(0.98rem, 1.3vw, 1.22rem);
  line-height: 1.25;
}

.bridge-connector {
  color: var(--bridge-cyan);
  font-size: clamp(1.35rem, 2vw, 2rem);
  filter: drop-shadow(0 0 10px var(--bridge-cyan-glow));
}

@media (max-width: 1080px) {
  .article-card {
    grid-template-columns: 1fr;
  }

  .bridge-journey {
    grid-template-columns: 1fr;
    max-width: 650px;
    margin-inline: auto;
  }

  .bridge-connector {
    transform: rotate(90deg);
  }

  .bridge-stage-core {
    transform: none;
  }
}

@media (max-width: 640px) {
  .jhah-logo {
    width: auto;
    height: 38px;
  }

  .hero-title-secondary {
    font-size: clamp(2.45rem, 12vw, 3.7rem);
  }

  .hero-title-journey {
    gap: 10px;
    font-size: clamp(1.35rem, 7vw, 2rem);
  }

  .article-copy h2 {
    font-size: 2.7rem;
  }

  .professional-bridge-card {
    margin-top: 28px;
    padding: 32px 20px;
    border-radius: 24px;
  }
}

.hero-title-secondary {
  width: 100%;
  font-size: clamp(2rem, 4.2vw, 4.7rem);
  font-weight: 900;
  white-space: nowrap;
  letter-spacing: -0.035em;
}


/* ==========================================================================
13. THEME SWITCH & INTERACTION POLISH
========================================================================== */

.theme-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  gap: 10px;

  width: fit-content;
  min-height: 50px;
  margin: 0;
  padding: 10px 17px;

  border: 1px solid rgba(255, 255, 255, 0.17);
  border-radius: 999px;

  background: rgba(255, 255, 255, 0.055);

  color: var(--white);
  cursor: pointer;
  font-weight: 800;

  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);

  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    background 0.25s ease,
    box-shadow 0.25s ease;
}

.theme-switch:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 232, 255, 0.72);
  background: rgba(56, 232, 255, 0.09);
  box-shadow:
    0 15px 38px rgba(0, 0, 0, 0.38),
    0 0 26px rgba(56, 232, 255, 0.18);
}

.jhah-logo {
  height: 42px;
}

.shell-divider {
  display: none;
}

.system-badge-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  min-width: 78px;
  margin: -10px -18px -10px 0;
  padding: 0 19px;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, var(--epic-red-bright), var(--sap-blue-bright));
  color: #fff;
  text-shadow: 0 1px 10px rgba(0, 0, 0, 0.35);
}

.nav-link:hover {
  color: #fff;
}
.nav-link[href="#overview"]:hover {
  background: linear-gradient(90deg, rgba(230, 0, 38, 0.78), rgba(39, 162, 255, 0.78));
}
.nav-link[href="#epic-workflow"]:hover {
  background: rgba(230, 0, 38, 0.78);
}
.nav-link[href="#sap-workflow"]:hover {
  background: rgba(8, 117, 209, 0.82);
}
.nav-link[href="#technical-article"]:hover {
  background: rgba(56, 232, 255, 0.13);
  color: #78f2ff;
  box-shadow:
    inset 0 0 0 1px rgba(56, 232, 255, 0.55),
    0 0 24px rgba(56, 232, 255, 0.22);
}

.epic-unified-card:hover {
  border-color: rgba(230, 0, 38, 0.88);
  box-shadow:
    0 42px 110px rgba(0, 0, 0, 0.78),
    0 0 110px rgba(230, 0, 38, 0.3);
}
.sap-unified-card:hover {
  border-color: rgba(39, 162, 255, 0.88);
  box-shadow:
    0 42px 110px rgba(0, 0, 0, 0.78),
    0 0 110px rgba(39, 162, 255, 0.28);
}

.article-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}
.article-copy h2 {
  margin-bottom: 20px;
}
.article-copy > p:not(.section-kicker) {
  max-width: 680px;
  margin-bottom: 32px;
}
.linkedin-btn {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(10, 102, 194, 0.48), rgba(8, 62, 116, 0.34));
  box-shadow:
    0 22px 58px rgba(10, 102, 194, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    background 0.28s ease;
}
.linkedin-btn::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 25%, rgba(255, 255, 255, 0.12) 48%, transparent 70%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
  content: "";
}
.linkedin-btn:hover::before {
  transform: translateX(120%);
}
.linkedin-btn:hover {
  transform: translateY(-4px);
  border-color: #43a7ff;
  background: linear-gradient(135deg, rgba(10, 102, 194, 0.62), rgba(8, 62, 116, 0.4));
  box-shadow:
    0 28px 72px rgba(10, 102, 194, 0.4),
    0 0 28px rgba(39, 162, 255, 0.18);
}
.linkedin-btn > * {
  position: relative;
  z-index: 1;
}


/* ==========================================================================
14. LIGHT THEME
========================================================================== */

body.light-theme {
  --black: #eef2f7;
  --black-soft: #ffffff;
  --panel: #f7f9fc;
  --panel-light: #ffffff;
  --white: #10131a;
  --text: #303744;
  --muted: #626b79;
  --dim: #7d8694;
  --border: rgba(14, 24, 38, 0.12);
  --border-strong: rgba(14, 24, 38, 0.2);
  --shadow: 0 24px 70px rgba(22, 35, 53, 0.14);
  --shadow-deep: 0 36px 100px rgba(22, 35, 53, 0.18);
}
body.light-theme .site-header .project-nav{
  background: rgba(255, 255, 255, 0.88);
}
body.light-theme .hero-statement,
body.light-theme .workflow-desc,
body.light-theme .insight-item p,
body.light-theme .article-copy > p:not(.section-kicker) {
  color: var(--text);
}
body.light-theme .system-display img {
  background: #050505;
}
body.light-theme .theme-switch {
  color: #10131a;
  background: rgba(255, 255, 255, 0.82);
}

@media (max-width: 760px) {
  .hero-title-secondary {
    white-space: normal;
    font-size: clamp(2rem, 10vw, 3.25rem);
  }

  .jhah-logo {
    height: 36px;
  }
  .system-badge-text {
    min-width: 68px;
    padding-inline: 14px;
  }
}

.hero-title-secondary {
  font-size: clamp(2.55rem, 5vw, 5.8rem);
}

.hero-statement {
  max-width: 930px;
  margin-bottom: 28px;
  font-size: clamp(1.08rem, 1.45vw, 1.3rem);
}


/* ==========================================================================
15. HERO DOMAIN TAGS
========================================================================== */

.hero-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  padding: 8px 15px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  transition:
    transform 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.hero-tag i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--epic-red-bright), var(--sap-blue-bright));
  box-shadow: 0 0 12px rgba(56, 232, 255, 0.42);
}

.hero-tag:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 232, 255, 0.55);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.35),
    0 0 22px rgba(56, 232, 255, 0.12);
}

.nav-link::after {
  position: absolute;
  right: 18px;
  bottom: 7px;
  left: 18px;
  height: 2px;
  border-radius: 999px;
  opacity: 0;
  transform: scaleX(0.45);
  content: "";
  transition:
    opacity 0.22s ease,
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link[href="#overview"]::after {
  background: linear-gradient(90deg, var(--epic-red-bright), var(--sap-blue-bright));
  box-shadow:
    0 4px 12px rgba(39, 162, 255, 0.55),
    0 4px 12px rgba(230, 0, 38, 0.42);
}
.nav-link[href="#professional-bridge"]::after {
  background: #38e8ff;
  box-shadow: 0 5px 16px rgba(56, 232, 255, 0.78);
}
.nav-link[href="#epic-workflow"]::after {
  background: var(--epic-red-bright);
  box-shadow: 0 5px 16px rgba(230, 0, 38, 0.72);
}
.nav-link[href="#sap-workflow"]::after {
  background: var(--sap-blue-bright);
  box-shadow: 0 5px 16px rgba(39, 162, 255, 0.72);
}
.nav-link[href="#technical-article"]::after {
  background: #38e8ff;
  box-shadow: 0 5px 16px rgba(56, 232, 255, 0.78);
}

.nav-link[href="#professional-bridge"]:hover {
  background: rgba(56, 232, 255, 0.12);
  color: #78f2ff;
  box-shadow:
    inset 0 0 0 1px rgba(56, 232, 255, 0.42),
    0 0 22px rgba(56, 232, 255, 0.16);
}

.bridge-section {
  padding: 30px 0 72px;
}

.bridge-section .professional-bridge-card {
  margin-top: 0;
}

.epic-section {
  background: linear-gradient(to bottom, transparent, rgba(230, 0, 38, 0.018), transparent);
}

.workflow-section {
  padding: 82px 0;
}

.article-section {
  padding: 88px 0 130px;
}

.epic-unified-card,
.sap-unified-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.025), rgba(12, 13, 16, 0.97)), var(--panel);
}

body.light-theme .hero-tag {
  color: #303744;
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(14, 24, 38, 0.12);
}

@media (max-width: 900px) {
  .nav-link::after {
    display: none;
  }

}

@media (max-width: 640px) {

  .hero-tags {
    gap: 9px;
  }
  .hero-tag {
    width: 100%;
    justify-content: center;
  }

  .bridge-section {
    padding: 22px 0 54px;
  }
  .workflow-section,
  .article-section {
    padding: 72px 0;
  }
}

.unified-workflow-card,
.article-card,
.professional-bridge-card {
  transition:
    transform 0.32s ease,
    border-color 0.32s ease,
    box-shadow 0.32s ease;
  will-change: transform, box-shadow;
}

.epic-unified-card:hover {
  transform: translateY(-7px);
  border-color: rgba(230, 0, 38, 0.98);
  box-shadow:
    0 46px 120px rgba(0, 0, 0, 0.84),
    0 0 0 1px rgba(230, 0, 38, 0.22),
    0 0 48px rgba(230, 0, 38, 0.46),
    0 0 105px rgba(230, 0, 38, 0.24);
}

.sap-unified-card:hover {
  transform: translateY(-7px);
  border-color: rgba(39, 162, 255, 0.98);
  box-shadow:
    0 46px 120px rgba(0, 0, 0, 0.84),
    0 0 0 1px rgba(39, 162, 255, 0.22),
    0 0 48px rgba(39, 162, 255, 0.46),
    0 0 105px rgba(39, 162, 255, 0.24);
}

.epic-unified-card:hover .epic-display {
  border-color: rgba(230, 0, 38, 0.96);
  box-shadow:
    0 36px 100px rgba(0, 0, 0, 0.92),
    0 0 38px rgba(230, 0, 38, 0.34);
}

.sap-unified-card:hover .sap-display {
  border-color: rgba(39, 162, 255, 0.96);
  box-shadow:
    0 36px 100px rgba(0, 0, 0, 0.92),
    0 0 38px rgba(39, 162, 255, 0.34);
}

.article-card:hover {
  transform: translateY(-7px);
  border-color: rgba(56, 232, 255, 0.88);
  box-shadow:
    0 46px 120px rgba(0, 0, 0, 0.82),
    0 0 0 1px rgba(56, 232, 255, 0.18),
    0 0 46px rgba(56, 232, 255, 0.34),
    0 0 96px rgba(56, 232, 255, 0.18);
}

.professional-bridge-card:hover {
  transform: translateY(-7px);
  border-color: rgba(56, 232, 255, 0.96);
  box-shadow:
    0 46px 120px rgba(0, 0, 0, 0.84),
    0 0 0 1px rgba(56, 232, 255, 0.18),
    0 0 48px rgba(56, 232, 255, 0.38),
    0 0 105px rgba(56, 232, 255, 0.2);
}

@media (prefers-reduced-motion: reduce) {
  .unified-workflow-card,
  .article-card,
  .professional-bridge-card {
    transition: none;
  }
}

.nav-link.active::after {
  opacity: 0;
  transform: scaleX(0.45);
}

.nav-link:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-link.active::after {
  opacity: 0 !important;
  transform: scaleX(0.45) !important;
}

.nav-link:hover::after {
  opacity: 1 !important;
  transform: scaleX(1) !important;
}

.epic-section {
  background: linear-gradient(to bottom, transparent, rgba(230, 0, 38, 0.016), transparent) !important;
}

.epic-unified-card {
  box-shadow:
    0 40px 110px rgba(0, 0, 0, 0.8),
    0 0 42px rgba(230, 0, 38, 0.2),
    0 0 96px rgba(230, 0, 38, 0.11) !important;
}

.epic-unified-card:hover {
  transform: translateY(-7px) !important;
  border-color: rgba(230, 0, 38, 0.98) !important;
  box-shadow:
    0 48px 124px rgba(0, 0, 0, 0.88),
    0 0 0 1px rgba(230, 0, 38, 0.28),
    0 0 58px rgba(230, 0, 38, 0.58),
    0 0 125px rgba(230, 0, 38, 0.3) !important;
}

.hero-tag {
  position: relative;
  overflow: visible;
}

.hero-tag::after {
  position: absolute;
  right: 16px;
  bottom: -7px;
  left: 16px;
  height: 3px;
  border-radius: 999px;
  background-size: 200% 100%;
  box-shadow: 0 5px 16px currentColor;
  content: "";
  opacity: 0.72;
  transform: scaleX(0.62);
  transform-origin: center;
  transition:
    transform 0.28s ease,
    opacity 0.28s ease,
    box-shadow 0.28s ease;
  animation: heroTagLine 3.4s linear infinite;
}

.hero-tag:nth-child(1)::after {
  color: rgba(230, 0, 38, 0.58);
  background-image: linear-gradient(90deg, #e60026, #ff5368, #e60026);
}

.hero-tag:nth-child(2)::after {
  color: rgba(126, 72, 255, 0.58);
  background-image: linear-gradient(90deg, #e60026, #7e48ff, #27a2ff, #e60026);
}

.hero-tag:nth-child(3)::after {
  color: rgba(39, 162, 255, 0.58);
  background-image: linear-gradient(90deg, #0875d1, #38e8ff, #0875d1);
}

.hero-tag:hover::after {
  opacity: 1;
  transform: scaleX(1);
  box-shadow: 0 7px 22px currentColor;
}

@keyframes heroTagLine {
  from {
    background-position: 0% 50%;
  }
  to {
    background-position: 200% 50%;
  }
}

@media (max-width: 950px) {
  html {
    font-size: 85%;
  }
}

#site-footer {
  width: 100%;
  margin-top: 60px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  opacity: 0.6;
}

.footer-source-link {
  color: inherit;
  text-decoration: none;
}

@media (max-width: 700px) {

  .jhah-logo {
    height: 39px !important;
  }
  .partner-logo {
    height: 31px !important;
  }
}

@media (min-width: 701px) {

  .jhah-logo { height: 40px !important; }
  .partner-logo { height: 34px !important; }
}

@media (max-width: 700px) {

  .workflow-section {
    padding: 66px 0 !important;
  }
  .unified-workflow-card {
    width: calc(100% - 24px) !important;
    margin-inline: auto !important;
    padding: 20px 14px !important;
    gap: 28px !important;
    border-radius: 26px !important;
  }
  .workflow-image-col {
    width: 100% !important;
  }
  .system-display {
    width: min(100%, 330px) !important;
    min-height: 0 !important;
    margin-inline: auto !important;
    border-radius: 24px !important;
    overflow: hidden !important;
  }
  .display-topline {
    min-height: 48px !important;
    padding: 0 16px !important;
  }
  .system-display img {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    flex: 0 0 auto !important;
    padding: 8px 6px 12px !important;
    object-fit: contain !important;
  }
}

.theme-switch {
  margin: 0;
}

.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: stretch;

  min-height: 92vh;
  padding: 34px 24px 72px;

  overflow: hidden;
  text-align: center;
}


/* ==========================================================================
16. HERO IDENTITY CONTROLS
========================================================================== */

.hero-controls-shell {
  position: relative;
  z-index: 5;

  width: min(calc(100% - 90px), 1180px);
  margin: 0 auto 34px;
  padding: 14px 0 12px;

  border: 0;
  border-radius: 0;

  background: transparent;
  box-shadow: none;

  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.hero-controls {
  width: 100%;
  margin: 0;
}

.hero-controls-row {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  align-items: center;
  gap: 28px;

  width: 100%;
  margin: 0;
}

.return-btn,
body.light-theme .return-btn {
  position: static;
  inset: auto;
  z-index: auto;

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;

  width: fit-content;
  min-height: 54px;
  margin: 0;
  padding: 14px 22px;

  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;

  background:
    linear-gradient(
      135deg,
      rgba(230, 0, 38, 0.25),
      rgba(39, 162, 255, 0.18)
    ),
    rgba(7, 8, 12, 0.92);

  box-shadow:
    0 18px 46px rgba(0, 0, 0, 0.52),
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 28px rgba(230, 0, 38, 0.12);

  color: #ffffff;
  font-size: 0.92rem;
  font-weight: 800;

  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);

  transition:
    transform 0.28s ease,
    border-color 0.28s ease,
    background 0.28s ease,
    box-shadow 0.28s ease;
}

.hero-return-btn {
  justify-self: start;
  align-self: center;
}

.return-btn i {
  color: #ff5b68;
  filter: drop-shadow(0 0 10px rgba(230, 0, 38, 0.55));
  transition: transform 0.28s ease;
}

.return-btn:hover,
body.light-theme .return-btn:hover {
  border-color: rgba(255, 255, 255, 0.68);

  background:
    linear-gradient(
      135deg,
      rgba(230, 0, 38, 0.42),
      rgba(39, 162, 255, 0.28)
    ),
    rgba(7, 8, 12, 0.96);

  box-shadow:
    0 24px 62px rgba(0, 0, 0, 0.68),
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 0 40px rgba(230, 0, 38, 0.28),
    0 0 30px rgba(39, 162, 255, 0.18);

  transform: translateY(-3px);
}

.return-btn:hover i {
  transform: translateX(-4px);
}

.jhah-logo-shell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: center;
  gap: 22px;

  width: auto;
  min-width: 420px;
  max-width: 520px;
  margin: 0;
  padding: 14px 36px;

  border-radius: 999px;

  background: #ffffff;

  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.50),
    0 0 35px rgba(255, 255, 255, 0.12);
  justify-self: center;
}


.theme-switch {
  margin: 0;
}

.hero-inner,
body.light-theme .hero-inner {
  position: relative;
  z-index: 2;

  width: min(100%, 1320px);
  max-width: 1320px;
  margin-inline: auto;
  padding: clamp(28px, 4vw, 54px) 0;

  border: 0;
  border-radius: 0;

  background: transparent;
  box-shadow: none;

  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    padding: 160px 15px 64px;
  }

  .hero-controls-shell {
    width: min(calc(100% - 30px), 760px);
    padding: 20px;
  }

  .hero-controls-row {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 18px;
  }

  .hero-return-btn {
    justify-self: center;
  }

  .hero-controls-spacer {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 145px 14px 56px;
  }

  .hero-controls-shell {
    width: min(calc(100% - 24px), 520px);
    padding: 18px 14px;
  }

  .return-btn,
  body.light-theme .return-btn {
    width: auto;
    height: auto;
    min-height: 48px;
    padding: 12px 18px;
    font-size: 0.78rem;
  }

  .return-btn span {
    display: inline;
  }

  .jhah-logo-shell {
    width: min(100%, 420px);
    min-width: 0;
    padding: 12px 20px;
    gap: 14px;
  }

  .jhah-logo {
    width: auto;
    height: 38px;
  }

  .partner-logo {
    height: 30px;
  }

  .hero-inner,
  body.light-theme .hero-inner {
    padding-inline: 4px;
  }
}

@media (max-width: 900px) {
  .site-header {
    width: min(calc(100% - 30px), 760px);
    margin-bottom: 34px;
    padding: 0;
  }

  .hero {
    padding-top: 24px;
  }
}

@media (max-width: 640px) {
  .site-header {
    width: min(calc(100% - 24px), 520px);
  }

  .hero {
    padding-top: 18px;
  }
}

/* ==========================================================================
17. HERO CONTROLS | SINGLE-LINE DESKTOP ALIGNMENT
========================================================================== */

@media (min-width: 901px) {
  .hero-controls-row {
    grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
  }

  .hero-return-btn {
    justify-self: start;
  }

  .jhah-logo-shell {
    justify-self: center;
  }

  .theme-switch {
    justify-self: end;
  }
}

@media (max-width: 900px) {
  .hero-controls-row {
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 18px;
  }

  .hero-return-btn,
  .jhah-logo-shell,
  .theme-switch {
    justify-self: center;
  }
}

/* ==========================================================================
FINAL MOBILE HERO TAGS — SINGLE HORIZONTAL ROW
========================================================================== */

@media (max-width: 640px) {

  .hero-tags {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 8px;

    width: 100%;
    margin: 0 auto;
    padding: 2px 0 6px;

    overflow-x: auto;
    overflow-y: hidden;

    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .hero-tags::-webkit-scrollbar {
    display: none;
  }

  .hero-tag {
    flex: 0 0 auto;

    width: auto;
    min-height: 38px;
    padding: 8px 14px;

    justify-content: center;

    white-space: nowrap;
  }
}

/* ==========================================================================
TOUCH DEVICES
Keep borders visible when hover is unavailable.
========================================================================== */

@media (hover: none) and (pointer: coarse) {

  .glass-panel,
  .project-card,
  .module-card,
  .feature-card,
  .article-card,
  .cert-card,
  .comparison-col,
  .phase-card,
  .visual,
  .feature-image,
  .page-return,
  .project-return,
  .back-btn,
  .back-link,
  .back-home-btn,
  .return-btn,
  .theme-btn,
  .nav-links a {
    border-color: rgba(255,255,255,.18) !important;
  }

}