/* Modern ZuPAM site styles */
:root {
  --zupyellow: #ffb820;
  --zupyellow-h: #ffd70d;
  --zupgrey: #f6f7fb;
  --zupborder: #d9dee8;

  --ink: #111827;
  --ink-soft: #4b5563;
  --muted: #6b7280;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --navy: #101828;
  --navy-2: #182338;
  --ring: rgba(255, 184, 32, 0.42);
  --shadow-sm: 0 10px 25px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 24px 70px rgba(15, 23, 42, 0.16);
  --radius: 18px;
  --radius-lg: 28px;

  --vert-spacing: clamp(4.8rem, 7vw, 9.6rem);
  --horz-spacing: clamp(2rem, 5vw, 4rem);
  --container: 1120px;
}

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

* {
  border: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

:focus:not(:focus-visible) {
  outline: none;
}

html {
  font-size: 62.5%;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  background: var(--surface);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* General */
body {
  min-height: 100vh;
  box-sizing: border-box;
  margin: 0;
  font-size: clamp(1.7rem, 1.4vw, 1.9rem);
  line-height: 1.65;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 184, 32, 0.16), transparent 34rem),
    linear-gradient(180deg, #ffffff 0%, #fbfcff 42%, #ffffff 100%);
  text-rendering: optimizeLegibility;
}

main {
  overflow: hidden;
}

hr {
  width: min(calc(100% - (var(--horz-spacing) * 2)), var(--container));
  border-top: 0;
  border-bottom: 1px solid var(--zupborder);
  margin: 0 auto;
}

.section-break {
  display: none;
}

/* Links */
a {
  color: var(--ink);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 0.08em;
  transition:
    color 0.2s ease,
    border 0.2s ease,
    background-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease,
    text-decoration 0.2s ease;
}

a:hover,
a:focus {
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 3px;
}

/* Typography */
h1,
h2,
h3 {
  color: var(--ink);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h1 {
  max-width: 10ch;
  font-size: clamp(4.6rem, 8vw, 8.6rem);
  margin-block-start: 0;
  margin-block-end: 0.28em;
}

h2,
.headline-text {
  font-size: clamp(2.8rem, 4vw, 4.6rem);
  margin-block-start: 0;
  margin-block-end: 0;
}

h3 {
  font-size: clamp(2rem, 2vw, 2.4rem);
  margin-bottom: 1rem;
}

p {
  margin-block-start: 0;
  margin-block-end: 1.15em;
  color: var(--ink-soft);
}

section > p {
  max-width: 72ch;
}

ul {
  margin-block-start: 0;
  margin-block-end: 1em;
  padding-inline-start: 1.1em;
}

li {
  margin-bottom: 0.6rem;
}

ul.plus-bullets {
  list-style: none;
  padding-inline-start: 1.4em;
}

ul.plus-bullets li {
  position: relative;
}

ul.plus-bullets li::before {
  content: "";
  display: block;
  position: absolute;
  left: 2.2rem;
  top: 50%;
  transform: translateY(-50%);
  height: 1.9rem;
  width: 1.9rem;
  background-image: url(img/plus.svg);
  background-size: contain;
  background-position: center center;
  background-repeat: no-repeat;
}

ul.boxy-list {
  height: 100%;
  margin-top: 1rem;
  padding-inline-start: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid rgba(217, 222, 232, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

ul.boxy-list li {
  min-height: 7rem;
  display: flex;
  align-items: center;
  padding: 1.8rem 2.4rem 1.8rem 5.8rem;
  margin: 0;
  border-bottom: 1px solid rgba(217, 222, 232, 0.78);
}

ul.boxy-list li:nth-child(even) {
  background-color: var(--surface-soft);
}

ul.boxy-list li:last-child {
  border-bottom: 0;
}

/* Forms */
label,
button,
select,
summary,
[type="radio"],
[type="submit"],
[type="checkbox"] {
  cursor: pointer;
}

.form-cols {
  display: flex;
  flex-direction: row;
  gap: 1.6rem;
}

.form-cols > * {
  width: 100%;
}

.fieldset {
  margin-bottom: 1.8rem;
}

.form-label {
  display: block;
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 0.8rem;
}

.form-input {
  display: inline-block;
  width: 100%;
  font-size: 1.7rem;
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--zupborder);
  border-radius: 1.2rem;
  padding: 1.35rem 1.5rem;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.03);
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    background-color 0.2s ease;
}

textarea.form-input {
  min-height: 14rem;
  resize: vertical;
}

.form-input:focus {
  border-color: var(--zupyellow);
  box-shadow: 0 0 0 5px var(--ring);
  outline: none;
}

.grey-box .form-input {
  background-color: #ffffff;
}

.form-buttons {
  margin-top: 2.4rem;
}

/* Buttons */
.btn {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  color: #15130b;
  background: linear-gradient(135deg, var(--zupyellow), var(--zupyellow-h));
  border: 1px solid rgba(255, 184, 32, 0.95);
  border-radius: 999px;
  font-size: 1.7rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  padding: 1.35rem 2.4rem;
  box-shadow: 0 14px 28px rgba(255, 184, 32, 0.25);
}

.btn:hover {
  background: linear-gradient(135deg, var(--zupyellow-h), #ffe66a);
  border-color: var(--zupyellow-h);
  transform: translateY(-2px);
  box-shadow: 0 18px 34px rgba(255, 184, 32, 0.32);
}

.btn-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(17, 24, 39, 0.16);
  box-shadow: none;
}

.btn-secondary:hover {
  background: var(--surface);
  border-color: rgba(17, 24, 39, 0.22);
  box-shadow: var(--shadow-sm);
}

/* Nav Menu */
nav.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  width: min(calc(100% - (var(--horz-spacing) * 2)), var(--container));
  margin: 1.6rem auto 0;
  padding: 1.2rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 2.8rem;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(217, 222, 232, 0.75);
  border-radius: 999px;
  box-shadow: 0 16px 45px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(18px);
}

.nav-logo {
  flex-shrink: 0;
  margin-right: auto;
  padding-left: 0.8rem;
}

.nav-logo > img {
  height: 4.2rem;
}

.nav ul {
  margin-block-start: 0;
  margin-block-end: 0;
  padding-inline-start: 0;
}

.nav .menu {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  list-style: none;
}

.nav .menu > li {
  position: relative;
  margin: 0;
  flex-shrink: 0;
}

.nav .menu > li.mobile-nav-only {
  display: none;
}

.nav .menu > li > a,
.nav .dropdown-menu li > a {
  border-radius: 999px;
  padding: 0.8rem 1.2rem;
}

.nav .menu > li > a:hover,
.nav .menu > li > a:focus,
.nav .dropdown-menu li > a:hover,
.nav .dropdown-menu li > a:focus {
  background: rgba(255, 184, 32, 0.16);
  color: #111827;
}

.nav a {
  display: block;
  white-space: nowrap;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 750;
}

nav .menu-toggle {
  display: none;
  width: 4.4rem;
  height: 4.4rem;
  place-items: center;
  color: var(--ink);
  background: var(--surface-soft);
  border: 1px solid var(--zupborder);
  border-radius: 999px;
  font-size: 2.4rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  flex-shrink: 0;
  margin-left: auto;
}

.nav .dropdown-menu {
  position: absolute;
  top: calc(100% + 1rem);
  left: 0;
  min-width: 22rem;
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(217, 222, 232, 0.86);
  border-radius: 1.8rem;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.98);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    visibility 0.2s;
  z-index: 1000;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.nav .dropdown-menu li {
  margin: 0;
}

.nav .dropdown-menu li > a {
  display: block;
  width: 100%;
  white-space: normal;
}

.nav .dropdown:hover > .dropdown-menu,
.nav .dropdown:focus-within > .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

nav .dropdown .dropdown {
  position: relative;
}

nav .dropdown .dropdown > .dropdown-menu {
  top: -1rem;
  left: calc(100% + 1rem);
}

/* Top bar */
.top-bar {
  width: 100%;
  margin-top: 1.6rem;
  background:
    linear-gradient(135deg, rgba(16, 24, 40, 0.96), rgba(24, 35, 56, 0.92)),
    radial-gradient(circle at right, rgba(255, 184, 32, 0.28), transparent 30rem);
  border-top: 1px solid rgba(217, 222, 232, 0.7);
  border-bottom: 1px solid rgba(217, 222, 232, 0.7);
}

.top-bar:empty {
  display: none;
}

.top-bar a {
  color: #ffffff;
}

.page-title {
  display: block;
  padding: 3.2rem var(--horz-spacing);
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  font-size: clamp(2.8rem, 4vw, 4.8rem);
  font-weight: 850;
  line-height: 1.15;
  color: #ffffff;
  letter-spacing: -0.04em;
}

.page-parent {
  color: rgba(255, 255, 255, 0.68);
  display: inline-block;
  border-right: 1px solid rgba(255, 255, 255, 0.24);
  margin-right: 1.4rem;
  padding-right: 1.4rem;
}

/* Sections */
section {
  padding: var(--vert-spacing) var(--horz-spacing);
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
}

section:last-child {
  border-bottom: 0;
}

.grey-box {
  background:
    linear-gradient(180deg, rgba(246, 247, 251, 0.88), rgba(255, 255, 255, 0.92)),
    radial-gradient(circle at left bottom, rgba(255, 184, 32, 0.2), transparent 36rem);
  width: 100%;
  border-top: 1px solid rgba(217, 222, 232, 0.7);
}

.section-cols {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2.4rem;
}

.section-cols > * {
  min-width: 0;
}

.headline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 1.4rem;
  margin-bottom: 2.4rem;
}

.headline-icon {
  height: 4.8rem;
  width: 4.8rem;
  flex: 0 0 auto;
  padding: 1rem;
  background: rgba(255, 184, 32, 0.16);
  border: 1px solid rgba(255, 184, 32, 0.32);
  border-radius: 1.4rem;
}

/* Footer */
footer {
  width: 100%;
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.72);
}

.footer-section {
  padding-top: 2.4rem;
  padding-bottom: 2.4rem;
}

/* Copyright */
.copyright {
  font-size: 1.45rem;
}

/* Home page */
.big-logo {
  height: 10rem;
  margin-bottom: 4rem;
}

.hero {
  max-width: min(calc(100% - (var(--horz-spacing) * 2)), var(--container));
  margin: 3.2rem auto 0;
  padding: clamp(4rem, 7vw, 7.2rem);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(30rem, 0.85fr);
  gap: clamp(3rem, 5vw, 6rem);
  align-items: center;
  color: #ffffff;
  background:
    radial-gradient(circle at 78% 22%, rgba(255, 184, 32, 0.3), transparent 27rem),
    linear-gradient(135deg, var(--navy), var(--navy-2) 58%, #24304a);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.hero h1,
.hero p {
  color: #ffffff;
}

.hero-lede {
  max-width: 64ch;
  color: rgba(255, 255, 255, 0.78) !important;
  font-size: clamp(1.8rem, 1.8vw, 2.2rem);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  width: fit-content;
  margin-bottom: 2rem;
  color: #ffe6a3;
  background: rgba(255, 184, 32, 0.12);
  border: 1px solid rgba(255, 184, 32, 0.28);
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font-size: 1.4rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  background: var(--zupyellow);
  box-shadow: 0 0 0 0.6rem rgba(255, 184, 32, 0.16);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 3rem;
}

.hero .btn-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
}

.hero .btn-secondary:hover {
  color: var(--ink);
}

.hero-panel {
  position: relative;
  display: grid;
  gap: 1.6rem;
  padding: 1.6rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 2.4rem;
  backdrop-filter: blur(16px);
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 184, 32, 0.3), transparent 60%);
}

.metric-card {
  padding: 2.2rem;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 1.8rem;
  box-shadow: 0 16px 35px rgba(0, 0, 0, 0.14);
}

.metric-value {
  display: block;
  color: var(--ink);
  font-size: clamp(3rem, 4vw, 4.8rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.05em;
}

.metric-label {
  display: block;
  margin-top: 0.8rem;
  color: var(--ink-soft);
  font-size: 1.5rem;
  font-weight: 750;
  line-height: 1.35;
}

.intro-section {
  padding-bottom: clamp(2.4rem, 5vw, 5.6rem);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.8rem;
  margin-top: 3.2rem;
}

.value-card {
  padding: 2.4rem;
  background: var(--surface);
  border: 1px solid rgba(217, 222, 232, 0.9);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.value-card p {
  margin-bottom: 0;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(32rem, 1fr);
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.contact-form {
  padding: clamp(2.4rem, 4vw, 3.6rem);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(217, 222, 232, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Responsive */
@media (max-width: 980px) {
  nav.nav {
    width: min(calc(100% - 3.2rem), var(--container));
    border-radius: 2.4rem;
  }

  .nav .menu {
    gap: 0.2rem;
  }

  .nav a {
    font-size: 1.42rem;
  }

  .hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .hero {
    max-width: min(calc(100% - 3.2rem), var(--container));
  }

  .hero h1 {
    max-width: 11ch;
  }

  .value-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 1.7rem;
  }

  h1 {
    max-width: none;
  }

  .form-cols,
  .section-cols {
    display: block;
  }

  .section-cols > * + * {
    margin-top: 1.6rem;
  }

  nav.nav {
    position: sticky;
    margin-top: 1rem;
    padding: 1rem;
  }

  .nav-logo > img {
    height: 3.8rem;
  }

  .nav .menu {
    width: min(34rem, calc(100vw - 3.2rem));
    max-height: calc(100vh - 11rem);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: calc(100% + 1rem);
    left: 0;
    background-color: rgba(255, 255, 255, 0.98);
    border: 1px solid rgba(217, 222, 232, 0.9);
    border-radius: 2rem;
    padding: 1.4rem;
    transform: translateX(-120%);
    opacity: 0;
    visibility: hidden;
    transition:
      transform 0.28s ease,
      opacity 0.28s ease,
      visibility 0.28s ease;
    box-shadow: var(--shadow-md);
  }

  .nav .menu.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }

  .nav li {
    width: 100%;
    margin-bottom: 0.6rem;
  }

  .nav li:last-child {
    margin-bottom: 0;
  }

  .nav li > a {
    display: block;
  }

  .nav .menu > li {
    font-weight: bold;
  }

  .nav .menu > li.mobile-nav-only {
    display: block;
  }

  .nav .menu > li > a[href="#"],
  .nav .dropdown-menu li > a[href="#"] {
    cursor: default;
  }

  .nav .dropdown-menu li > a[href="#"] {
    font-weight: 700;
    color: var(--muted);
  }

  .nav .menu > li > a[href="#"]:hover,
  .nav .menu > li > a[href="#"]:focus,
  .nav .dropdown-menu li > a[href="#"]:hover,
  .nav .dropdown-menu li > a[href="#"]:focus {
    background: transparent;
  }

  .nav .dropdown-menu {
    position: static;
    min-width: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    background-color: transparent;
    border: 0;
    border-left: 1px solid var(--zupborder);
    border-radius: 0;
    padding: 0.4rem 0 0.4rem 1rem;
    margin: 0.3rem 0 0.8rem 1rem;
    box-shadow: none;
    backdrop-filter: none;
  }

  nav .dropdown .dropdown > .dropdown-menu {
    top: auto;
    left: auto;
  }

  .nav .dropdown-menu li {
    font-weight: normal;
  }

  .nav .menu-toggle {
    display: grid;
  }

  .nav .menu li.dropdown > a::after {
    content: ":";
  }

  .hero {
    margin-top: 2rem;
    padding: 3.2rem 2.2rem;
    border-radius: 2.4rem;
  }

  .hero-actions {
    flex-direction: column;
  }

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

  .metric-card {
    padding: 1.8rem;
  }

  .headline {
    align-items: flex-start;
  }

  .headline-icon {
    height: 4.2rem;
    width: 4.2rem;
  }

  .contact-form {
    border-radius: 2rem;
  }

  .page-parent {
    display: block;
    width: fit-content;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.24);
    margin-right: 0;
    margin-bottom: 0.8rem;
    padding-right: 0;
    padding-bottom: 0.6rem;
  }
}

@media (max-width: 520px) {
  :root {
    --horz-spacing: 1.8rem;
  }

  section {
    padding-top: 4.8rem;
    padding-bottom: 4.8rem;
  }

  .hero {
    width: calc(100% - 2rem);
    max-width: none;
  }

  .eyebrow {
    font-size: 1.15rem;
  }

  .btn {
    width: 100%;
  }

  ul.boxy-list li {
    padding-right: 1.6rem;
  }
}

/* Case Study Section */
.case-study-section {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 var(--horz-spacing);
}

.case-study-section h2 {
  font-size: clamp(2.4rem, 3vw, 3.6rem);
  margin-bottom: 2rem;
  color: var(--ink);
}

.case-study-section p {
  line-height: 1.75;
  max-width: 80ch;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
  margin: 2.4rem 0;
}

.stat-card {
  background: var(--surface-soft);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  border: 1px solid rgba(217, 222, 232, 0.6);
}

.stat-number {
  display: block;
  font-size: clamp(3rem, 5vw, 4.2rem);
  font-weight: 900;
  color: var(--zupyellow-h);
  line-height: 1;
  margin-bottom: 0.8rem;
}

.stat-label {
  display: block;
  font-size: 1.45rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.case-study-section ul li {
  margin-bottom: 0.8rem;
  line-height: 1.75;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .stat-card {
    padding: 1.5rem;
  }
}