:root {
  --bg: #f2f5f8;
  --surface: #ffffff;
  --ink: #101828;
  --muted: #4e5d78;
  --nav: #1f5f9f;
  --accent: #f4b400;
  --accent-2: #0c7bdc;
  --line: #d8e0ea;
  --shadow: 0 14px 35px rgba(8, 26, 43, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Rajdhani", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

html {
  scroll-behavior: smooth;
  /* keep anchor scroll positions visible under the sticky topbar */
  scroll-padding-top: 90px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.65rem 1.25rem;
  background: var(--nav);
  box-shadow: 0 6px 20px rgba(10, 36, 56, 0.25);
}

.brand {
  font-family: "Exo 2", sans-serif;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  text-decoration: none;
  letter-spacing: 0.6px;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.brand-uber {
  color: #0b111d;
  font-weight: 700;
}

.brand-3d {
  color: #ffffff;
  background: #0e1b2f;
  border: 1px solid #8ebce6;
  border-radius: 8px;
  padding: 0.05rem 0.35rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.nav-btn,
.nav-link,
.cart-link {
  border: 0;
  background: transparent;
  color: #f8fbff;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.45rem 0.55rem;
  cursor: pointer;
  border-radius: 0.45rem;
}

.nav-btn:hover,
.nav-link:hover,
.cart-link:hover {
  background: rgba(255, 255, 255, 0.16);
}

.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  background: #ffffff;
  border: 1px solid var(--line);
  min-width: 13rem;
  border-radius: 0.7rem;
  box-shadow: var(--shadow);
  display: none;
  overflow: hidden;
}

.dropdown.open .dropdown-menu {
  display: block;
}

.dropdown-menu a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 700;
  padding: 0.65rem 0.85rem;
}

.dropdown-menu a:hover {
  background: #ebf4ff;
}

.cart-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.cart-count {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: var(--accent);
  color: #091a31;
  font-size: 0.95rem;
}

.split-layout {
  min-height: calc(100vh - 70px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg);
  align-items: stretch;
}

.split-layout > section {
  height: 100%;
}

.left-panel {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  border-radius: 0 0 1.1rem 0;
  box-shadow: var(--shadow);
  background:
    linear-gradient(140deg, rgba(161, 224, 255, 0.25), rgba(255, 255, 255, 0) 55%),
    repeating-linear-gradient(0deg, rgba(138, 195, 235, 0.22), rgba(138, 195, 235, 0.22) 1px, transparent 1px, transparent 14px),
    repeating-linear-gradient(90deg, rgba(138, 195, 235, 0.22), rgba(138, 195, 235, 0.22) 1px, transparent 1px, transparent 14px),
    linear-gradient(180deg, #f5fdff 0%, #e9f6ff 100%);
}

.left-panel::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 210px;
  right: 8%;
  bottom: 14%;
  background: linear-gradient(145deg, #f8aa1a, #e17f02);
  border-radius: 70% 45% 50% 35% / 52% 42% 58% 48%;
  transform: rotate(-9deg);
  filter: drop-shadow(0 15px 18px rgba(24, 41, 58, 0.2));
  opacity: 0.78;
}

.left-panel::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 190px;
  right: 32%;
  bottom: 28%;
  border-radius: 20px;
  background: linear-gradient(180deg, #f7ac1a, #cc6f01);
  transform: skew(-2deg) rotate(-6deg);
  opacity: 0.8;
}

.left-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(7, 35, 58, 0.55), rgba(7, 35, 58, 0.12));
}

.left-content {
  position: relative;
  z-index: 2;
  max-width: 480px;
  text-align: center;
  color: #ffffff;
}

.left-content h1 {
  font-family: "Exo 2", sans-serif;
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 0.6rem;
}

.left-content p {
  font-size: 1.2rem;
  margin-bottom: 1.4rem;
}

.primary-cta {
  display: inline-block;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, #f8bf31, #f29a00);
  color: #07192d;
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.82rem 1.45rem;
  box-shadow: 0 10px 25px rgba(242, 154, 0, 0.35);
  cursor: pointer;
}

.primary-cta:hover {
  transform: translateY(-1px);
}

.right-panel {
  padding: 0 0 0 1.2rem;
  border-left: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  border-radius: 1.1rem;
}

.embed-head h2 {
  margin-top: 0;
  font-family: "Exo 2", sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 0.35rem;
}

.embed-head p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.embed-frame-wrap {
  flex: 1;
  min-height: 520px;
  border: 1px solid #a7c5e0;
  border-radius: 0.9rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #ffffff;
}

.embed-frame {
  width: 100%;
  height: 100%;
  min-height: 520px;
  border: 0;
}

.drop-import-form {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: #ffffff;
  padding: 0.9rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.45rem;
}

.drop-import-form h3 {
  margin: 0 0 0.2rem;
  font-family: "Exo 2", sans-serif;
  font-size: 1.2rem;
}

.drop-import-form p {
  margin: 0 0 0.2rem;
  color: var(--muted);
}

.drop-import-form label {
  font-weight: 700;
}

.drop-import-form input {
  width: 100%;
  border: 1px solid #a5b9cc;
  border-radius: 0.55rem;
  padding: 0.55rem 0.65rem;
  font: inherit;
  background: #f9fcff;
}

.drop-import-form .primary-cta {
  justify-self: start;
}

.steps-card {
  border: 1px solid var(--line);
  border-radius: 0 0 0 1.1rem;
  background: #ffffff;
  box-shadow: var(--shadow);
  padding: 1rem;
  flex: 1;
  min-height: 100%;
}

.steps-card h2 {
  margin: 0 0 0.8rem;
  font-family: "Exo 2", sans-serif;
}

.steps-card .ghost-btn {
  margin-bottom: 0.8rem;
}

.timeline {
  margin-top: 1rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.timeline-item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  row-gap: 0.25rem;
  column-gap: 0.55rem;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: #f9fcff;
  flex: 0 0 100%;
}

.timeline-item h4 {
  margin: 0;
  font-family: "Exo 2", sans-serif;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.25;
}

.dot-icon {
  display: inline-flex;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8bf31, #f29a00);
  color: #0a1b2f;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: 0 6px 14px rgba(242, 154, 0, 0.35);
}

@media (max-width: 900px) {
  .timeline {
    flex-direction: column;
    gap: 0.5rem;
  }
}

.example-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid var(--accent-2);
  color: var(--accent-2);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  background: rgba(12, 123, 220, 0.06);
  transition: background 0.2s ease, transform 0.15s ease;
}

.example-btn:hover {
  background: rgba(12, 123, 220, 0.14);
  transform: translateY(-1px);
}

.steps-list {
  margin: 0 0 1rem 1.2rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.payment-banner {
  max-width: 1100px;
  margin: 1.6rem auto;
  padding: 1.1rem 1.2rem;
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.payment-banner__pill {
  flex: 1;
  padding: 1rem 1.4rem;
  border: 2px solid #0a1b2f;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
  background: linear-gradient(90deg, #fdfdfd, #f7fbff);
  width: 100%;
  box-sizing: border-box;
  overflow-wrap: break-word;
}

.payment-label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
  text-align: left;
}

.payment-lookup {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  margin-bottom: 0.55rem;
}

.payment-lookup input {
  width: 100%;
  border: 1px solid #a5b9cc;
  border-radius: 0.55rem;
  padding: 0.65rem;
  font: inherit;
  background: #f9fcff;
}

.payment-amount {
  font-weight: 700;
}

.payment-admin {
  max-width: 1100px;
  margin: 0 auto 1.4rem;
  padding: 1rem 1.2rem;
  background: #ffffff;
  border: 1px dashed #8ba2b8;
  border-radius: 1rem;
  box-shadow: var(--shadow);
  display: none;
  gap: 0.55rem;
}

.payment-admin.visible {
  display: grid;
}

.payment-admin__form {
  display: grid;
  gap: 0.5rem;
}

.payment-admin__form input {
  width: 100%;
  border: 1px solid #a5b9cc;
  border-radius: 0.55rem;
  padding: 0.65rem;
  font: inherit;
  background: #f9fcff;
}

.payment-admin__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.payment-banner__cta {
  white-space: nowrap;
}

.payment-page .payment-options {
  display: grid;
  gap: 1rem;
}

.payment-option {
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: var(--shadow);
  background: #ffffff;
}

.payment-option input {
  width: 100%;
  border: 1px solid #a5b9cc;
  border-radius: 0.55rem;
  padding: 0.65rem;
  font: inherit;
  background: #f9fcff;
}

.payment-amount-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0.4rem 0 0.8rem;
  font-weight: 700;
}

.payment-option h2 {
  margin-top: 0;
  font-family: "Exo 2", sans-serif;
}

.about {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  padding: 1.4rem;
}

.about-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0.75rem;
}

.about-card,
.panel {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 1rem;
}

.inner-page .container {
  max-width: 900px;
  margin: 1.6rem auto;
  padding: 0 1rem;
}

.project-form {
  display: grid;
  gap: 0.65rem;
}

.project-form label {
  font-weight: 600;
  color: var(--ink);
}

.project-form input,
.project-form textarea,
.project-form select {
  width: 100%;
  border: 1px solid #a5b9cc;
  border-radius: 0.55rem;
  padding: 0.65rem;
  font: inherit;
  background: #f9fcff;
}

.feedback {
  min-height: 1.4rem;
  color: #0b7a36;
  font-weight: 600;
}

.cart-items {
  display: grid;
  gap: 0.7rem;
}

.cart-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 0.65rem;
  background: #f8fbff;
}

.cart-row button,
.ghost-btn {
  border: 1px solid #8ba2b8;
  background: #ffffff;
  border-radius: 0.55rem;
  padding: 0.38rem 0.75rem;
  cursor: pointer;
}

.checkout-form {
  margin-top: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  display: grid;
  gap: 0.55rem;
}

.checkout-form h2 {
  margin: 0 0 0.2rem;
  font-family: "Exo 2", sans-serif;
}

.checkout-form input,
.checkout-form textarea {
  width: 100%;
  border: 1px solid #a5b9cc;
  border-radius: 0.55rem;
  padding: 0.65rem;
  font: inherit;
  background: #f9fcff;
}

details {
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: #fbfdff;
  padding: 0.65rem 0.8rem;
  margin-bottom: 0.65rem;
}

summary {
  font-weight: 700;
  cursor: pointer;
}

.uber3d-popup {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  max-width: 320px;
  padding: 0.85rem 1rem;
  border-radius: 0.85rem;
  background: linear-gradient(135deg, #f8bf31, #f29a00);
  color: #0a1b2f;
  font-weight: 700;
  box-shadow: 0 14px 30px rgba(8, 26, 43, 0.22);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 40;
  display: flex;
  gap: 0.65rem;
  align-items: center;
  pointer-events: none;
}

.uber3d-popup.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.uber3d-popup__text {
  flex: 1;
}

.uber3d-popup__close {
  border: 0;
  background: rgba(9, 27, 47, 0.1);
  color: #0a1b2f;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.example-steps {
  display: grid;
  gap: 1rem;
}

.example-step {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 0.9rem;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.example-step h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-family: "Exo 2", sans-serif;
}

.example-step p {
  margin: 0 0 0.5rem;
}

.example-step img {
  width: 100%;
  border-radius: 0.7rem;
  border: 1px solid var(--line);
  display: block;
  margin-bottom: 0.5rem;
}

@media (max-width: 980px) {
  .split-layout {
    grid-template-columns: 1fr;
  }

  .right-panel {
    border-left: 0;
    border-top: 1px solid #c7def3;
  }
  .left-panel {
    border-radius: 0 0 1.1rem 1.1rem;
  }
  .steps-card {
   border-radius: 1.1rem;
    padding: 0.9rem;
  }
  .right-panel {
    padding: 1.2rem;
    border-color: #e9ecf0;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
  }

  .nav {
    gap: 0.35rem;
    justify-content: flex-end;
  }

  .nav-btn,
  .nav-link,
  .cart-link {
    font-size: 1.05rem;
  }

  .payment-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .payment-lookup {
    grid-template-columns: 1fr;
  }

  .payment-banner__pill {
    border-radius: 1.2rem;
    padding: 0.9rem 1rem;
  }

  .payment-page .payment-options {
    grid-template-columns: 1fr;
  }

  .embed-frame-wrap,
  .embed-frame {
    min-height: 420px;
  }
  .left-panel {
    border-radius: 0 0 1.1rem 1.1rem;
  }
  .steps-card {
   border-radius: 1.1rem;
    padding: 0.9rem;
  }
  .right-panel {
    padding: 1.2rem;
    border-color: #e9ecf0;
  }
}

/* --- Dark mode support --- */
:root[data-theme="dark"] {
  --bg: #0b1220;
  --surface: #0f172a;
  --ink: #e5e7ef;
  --muted: #a4b1cc;
  --nav: #0d2b55;
  --accent: #f4b400;
  --accent-2: #4cb2ff;
  --line: #1f2b3d;
  --shadow: 0 16px 38px rgba(3, 8, 20, 0.6);
}

:root[data-theme="dark"] body {
  color: var(--ink);
  background: var(--bg);
}

:root[data-theme="dark"] .topbar {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

:root[data-theme="dark"] .dropdown-menu {
  background: var(--surface);
  border-color: var(--line);
}

:root[data-theme="dark"] .dropdown-menu a {
  color: var(--ink);
}

:root[data-theme="dark"] .payment-banner,
:root[data-theme="dark"] .payment-option,
:root[data-theme="dark"] .about-card,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .steps-card,
:root[data-theme="dark"] .drop-import-form,
:root[data-theme="dark"] .payment-admin,
:root[data-theme="dark"] .cart-row,
:root[data-theme="dark"] .checkout-form,
:root[data-theme="dark"] details,
:root[data-theme="dark"] .embed-frame-wrap {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}

:root[data-theme="dark"] details {
  background: #10192c;
}

:root[data-theme="dark"] .payment-banner__pill {
  border-color: #23406b;
  background: linear-gradient(90deg, #111a2b, #0f1623);
}

:root[data-theme="dark"] .cart-row button,
:root[data-theme="dark"] .ghost-btn {
  background: var(--surface);
  border-color: var(--line);
  color: var(--ink);
}

:root[data-theme="dark"] .payment-lookup input,
:root[data-theme="dark"] .project-form input,
:root[data-theme="dark"] .project-form textarea,
:root[data-theme="dark"] .project-form select,
:root[data-theme="dark"] .payment-option input,
:root[data-theme="dark"] .drop-import-form input {
  background: #0f1626;
  color: var(--ink);
  border-color: var(--line);
}

:root[data-theme="dark"] .project-form input::placeholder,
:root[data-theme="dark"] .project-form textarea::placeholder,
:root[data-theme="dark"] .payment-lookup input::placeholder,
:root[data-theme="dark"] .payment-option input::placeholder,
:root[data-theme="dark"] .drop-import-form input::placeholder {
  color: var(--muted);
}

:root[data-theme="dark"] .feedback {
  color: #4ade80; /* lighter green for dark mode */
}

:root[data-theme="dark"] .embed-frame-wrap {
  border-color: var(--line);
}

:root[data-theme="dark"] .left-content {
  color: #f5f7ff;
}

:root[data-theme="dark"] .brand-3d {
  background: #0b1220;
  border-color: #2c4c78;
}

:root[data-theme="dark"] .uber3d-popup {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
}

:root[data-theme="dark"] .timeline
  {
    color: #013b76d4;
  }
.theme-toggle {
  min-width: 120px;
}

@media (max-width: 980px) {
  .theme-toggle {
    display: none;
  }
}