/* BidHelper landing — navy #0b3d5c + amber #f0a500 */
:root {
  --navy: #0b3d5c;
  --navy-dark: #072a40;
  --navy-mid: #0f4d73;
  --amber: #f0a500;
  --amber-hover: #d89400;
  --amber-soft: #fff4d6;
  --ink: #1a2332;
  --muted: #5a6a7a;
  --line: #d8e0e8;
  --bg: #ffffff;
  --bg-alt: #f4f7fa;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(11, 61, 92, 0.12);
  --font: "DM Sans", "IBM Plex Sans", system-ui, sans-serif;
  --wrap: min(1120px, calc(100% - 2.5rem));
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--navy);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--amber-hover);
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.wrap {
  width: var(--wrap);
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 0;
}

.logo {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--navy-mid);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-header nav a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-header nav a:not(.btn):hover {
  color: var(--navy);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.35rem;
  border: none;
  border-radius: 999px;
  background: var(--amber);
  color: var(--navy-dark);
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(240, 165, 0, 0.35);
}

.btn:hover {
  background: var(--amber-hover);
  color: var(--navy-dark);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 2px;
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.9rem;
  box-shadow: none;
}

.btn-block {
  width: 100%;
}

.text-link {
  font-weight: 600;
  color: var(--navy);
}

/* Hero */
.hero {
  padding: 3.5rem 0 4rem;
  background:
    radial-gradient(ellipse 80% 60% at 90% 10%, rgba(240, 165, 0, 0.12), transparent 55%),
    linear-gradient(180deg, #eef4f8 0%, #ffffff 70%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--amber-soft);
  color: var(--navy);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--navy);
}

.lede {
  margin: 0 0 1rem;
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--ink);
}

.hero-body {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 36rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
}

.hero-card {
  background: var(--navy);
  color: #fff;
  border-radius: calc(var(--radius) + 4px);
  padding: 1.75rem 1.85rem;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  margin: 0 0 1rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.hero-card ol {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  counter-reset: hero-step;
}

.hero-card li {
  position: relative;
  padding: 0.75rem 0 0.75rem 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  counter-increment: hero-step;
}

.hero-card li:first-child {
  border-top: none;
  padding-top: 0;
}

.hero-card li::before {
  content: counter(hero-step);
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: var(--amber);
  color: var(--navy-dark);
  font-size: 0.85rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.hero-card li:first-child::before {
  top: 0.1rem;
}

.hero-card strong {
  color: var(--amber);
}

.card-note {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
}

/* Sections */
.section {
  padding: 4rem 0;
}

.section h2 {
  margin: 0 0 1.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
  color: var(--navy);
}

.section-alt {
  background: var(--bg-alt);
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.steps article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem 1.4rem;
  box-shadow: 0 4px 16px rgba(11, 61, 92, 0.04);
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-bottom: 0.85rem;
  border-radius: 50%;
  background: var(--navy);
  color: var(--amber);
  font-weight: 700;
  font-size: 1rem;
}

.steps h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--navy);
}

.steps p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

/* Two column */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.two-col article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.two-col h2 {
  margin-bottom: 0.75rem;
}

.two-col p {
  margin: 0 0 1rem;
  color: var(--muted);
}

.two-col ul {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--ink);
}

.two-col li + li {
  margin-top: 0.4rem;
}

.two-col li::marker {
  color: var(--amber);
}

/* Waitlist */
.waitlist {
  background:
    linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 55%, var(--navy-mid) 100%);
  color: #fff;
}

.waitlist h2 {
  color: #fff;
}

.waitlist p {
  color: rgba(255, 255, 255, 0.85);
}

.waitlist-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* Form */
form {
  background: #fff;
  color: var(--ink);
  border-radius: calc(var(--radius) + 2px);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
}

.field input,
.field select {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(11, 61, 92, 0.15);
}

.field input.is-invalid,
.field select.is-invalid {
  border-color: #c0392b;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12);
}

.form-hint {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.form-status {
  margin: 0.85rem 0 0;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
}

.form-status[hidden] {
  display: none;
}

.form-status.is-success {
  background: #e8f6ee;
  color: #1b6b3a;
  border: 1px solid #b7e0c5;
}

.form-status.is-error {
  background: #fdecea;
  color: #9b2c20;
  border: 1px solid #f5c6c0;
}

/* Footer */
.site-footer {
  padding: 1.75rem 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.site-footer a {
  color: var(--navy);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .steps,
  .two-col,
  .waitlist-inner {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .site-header nav a:not(.btn) {
    display: none;
  }
}

@media (max-width: 520px) {
  :root {
    --wrap: calc(100% - 1.5rem);
  }

  .header-inner {
    padding: 0.75rem 0;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn,
  .hero-cta .text-link {
    text-align: center;
  }

  form {
    padding: 1.15rem;
  }
}