/* CORE RENeV Expo 2026 - exhibitor registration
   Palette and type taken from corekerala.com */

:root {
  --green-900: #123128;
  --green-800: #173f32;
  --green-600: #087f5b;
  --green-100: #a0cbb8;
  --orange: #f58220;
  --orange-dark: #d96c12;
  --ink: #12241e;
  --muted: #61726c;
  --line: #dde5e1;
  --surface: #ffffff;
  --canvas: #f4f7f5;
  --danger: #c0392b;
  --danger-bg: #fdeceb;
  --ok: #087f5b;
  --radius: 10px;
  --shadow: 0 2px 18px rgba(18, 49, 40, 0.08);
  --font-head: "Titillium Web", "Segoe UI", sans-serif;
  --font-body: "DM Sans", "Segoe UI", sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--canvas);
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  margin: 0;
}

a {
  color: var(--green-600);
}

img {
  max-width: 100%;
}

.wrap {
  width: min(1140px, 100% - 40px);
  margin-inline: auto;
}

/* ---------- top strip ---------- */

.topbar {
  background: var(--green-900);
  color: #cfe0d8;
  font-size: 13.5px;
}

.topbar .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  justify-content: space-between;
  padding: 9px 0;
}

.topbar span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.topbar a {
  color: #cfe0d8;
  text-decoration: none;
}

.topbar a:hover {
  color: #fff;
}

.topbar .dot {
  color: var(--orange);
}

/* ---------- header ---------- */

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.logo img {
  height: 46px;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  color: var(--green-800);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  color: var(--orange);
}

.btn-cta {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  background: var(--orange);
  color: #fff !important;
  padding: 11px 22px;
  border-radius: 999px;
  text-decoration: none;
  white-space: nowrap;
}

.btn-cta:hover {
  background: var(--orange-dark);
}

/* ---------- hero ---------- */

.hero {
  background: linear-gradient(135deg, var(--green-900), var(--green-800) 55%, var(--green-600));
  color: #fff;
  padding: 54px 0 62px;
}

.eyebrow {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--orange);
  margin: 0 0 12px;
}

.hero h1 {
  font-size: clamp(30px, 4.6vw, 46px);
  margin-bottom: 14px;
}

.hero p {
  max-width: 640px;
  margin: 0;
  color: #d6e5dd;
  font-size: 17px;
}

.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.fact {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  padding: 10px 18px;
  font-size: 14.5px;
}

.fact b {
  display: block;
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--green-100);
  font-weight: 600;
}

/* ---------- card / form ---------- */

main {
  padding: 44px 0 64px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 32px;
}

.card + .card {
  margin-top: 22px;
}

.card-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 26px;
}

.card-head h2 {
  font-size: 22px;
}

.card-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 15px;
}

.field {
  margin-bottom: 20px;
}

.field:last-child {
  margin-bottom: 0;
}

label {
  display: block;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14.5px;
  color: var(--green-800);
  margin-bottom: 7px;
}

.req {
  color: var(--orange);
}

.hint {
  display: block;
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--muted);
  margin-top: 3px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 15.5px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(8, 127, 91, 0.14);
}

input.invalid {
  border-color: var(--danger);
  background: var(--danger-bg);
}

.err {
  display: none;
  color: var(--danger);
  font-size: 13px;
  margin-top: 5px;
}

.err.show {
  display: block;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

/* people counter */

.counter {
  display: flex;
  align-items: center;
  gap: 10px;
}

.counter input {
  width: 92px;
  text-align: center;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
}

.step {
  width: 44px;
  height: 44px;
  flex: none;
  border: 1px solid var(--line);
  background: var(--canvas);
  border-radius: var(--radius);
  font-size: 22px;
  line-height: 1;
  color: var(--green-800);
  cursor: pointer;
}

.step:hover:not(:disabled) {
  border-color: var(--green-600);
  color: var(--green-600);
}

.step:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* attendee blocks */

.person {
  border: 1px solid var(--line);
  border-left: 4px solid var(--green-600);
  border-radius: var(--radius);
  background: #fcfdfc;
  padding: 20px;
  margin-bottom: 16px;
}

.person-head {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--green-800);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.person-num {
  width: 26px;
  height: 26px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  font-size: 13px;
}

.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
}

.actions {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.btn {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  border: none;
  border-radius: 999px;
  padding: 14px 34px;
  cursor: pointer;
  background: var(--orange);
  color: #fff;
}

.btn:hover:not(:disabled) {
  background: var(--orange-dark);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: var(--green-800);
  border: 1px solid var(--line);
  padding: 11px 22px;
  font-size: 13.5px;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--canvas);
  border-color: var(--green-600);
  color: var(--green-600);
}

.form-note {
  color: var(--muted);
  font-size: 13.5px;
  margin: 0;
}

.alert {
  display: none;
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 14.5px;
  margin-bottom: 22px;
}

.alert.show {
  display: block;
}

.alert-error {
  background: var(--danger-bg);
  border: 1px solid #f2c4bf;
  color: var(--danger);
}

/* success */

.done {
  text-align: center;
  padding: 26px 10px 12px;
}

.done-mark {
  width: 68px;
  height: 68px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(8, 127, 91, 0.1);
  color: var(--ok);
  display: grid;
  place-items: center;
  font-size: 34px;
}

.done h2 {
  font-size: 26px;
  margin-bottom: 10px;
}

.done p {
  color: var(--muted);
  margin: 0 auto;
  max-width: 480px;
}

.ref {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 1.5px;
  background: var(--canvas);
  border: 1px dashed var(--green-100);
  border-radius: var(--radius);
  padding: 10px 20px;
  color: var(--green-800);
}

/* ---------- footer ---------- */

.site-footer {
  background: var(--green-900);
  color: #b9cdc4;
  padding: 48px 0 0;
  font-size: 14.5px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 36px;
}

.site-footer img {
  height: 52px;
  margin-bottom: 16px;
}

.site-footer h4 {
  color: #fff;
  font-size: 15px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.site-footer a {
  color: #b9cdc4;
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--orange);
}

.foot-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.socials {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.socials a {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
}

.socials a:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #fff;
}

.socials svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

.copyright {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- admin ---------- */

.admin-body {
  background: var(--canvas);
}

.gate {
  max-width: 420px;
  margin: 70px auto;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  padding: 16px 20px;
}

.stat b {
  display: block;
  font-family: var(--font-head);
  font-size: 30px;
  line-height: 1.1;
  color: var(--green-800);
}

.stat span {
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.toolbar input[type="text"] {
  width: 260px;
}

.toolbar .spacer {
  flex: 1;
}

.table-wrap {
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

th {
  font-family: var(--font-head);
  font-size: 12.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
  color: var(--muted);
  background: var(--canvas);
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: none;
}

.row-main {
  cursor: pointer;
}

.row-main:hover {
  background: #fafcfb;
}

.company {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--green-800);
}

.pill {
  display: inline-block;
  background: rgba(8, 127, 91, 0.1);
  color: var(--green-600);
  border-radius: 999px;
  padding: 2px 11px;
  font-size: 13px;
  font-weight: 500;
}

.caret {
  color: var(--muted);
  font-size: 12px;
}

.sub td {
  background: #fafcfb;
  padding: 0 14px 14px;
}

.sub table {
  font-size: 13.5px;
}

.sub th {
  background: transparent;
  padding: 8px 10px;
}

.sub td {
  padding: 8px 10px;
  background: transparent;
}

.muted {
  color: var(--muted);
}

.empty {
  padding: 46px 20px;
  text-align: center;
  color: var(--muted);
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  .site-nav a:not(.btn-cta) {
    display: none;
  }

  .foot-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .grid-2 .field {
    margin-bottom: 18px;
  }

  .card {
    padding: 22px 18px;
  }

  .hero {
    padding: 38px 0 44px;
  }

  .topbar .wrap {
    font-size: 12.5px;
  }
}