/* Spring — Tech Light */

:root {
  /* Surfaces */
  --spring-bg: #0f172a;                 /* page background */
  --spring-panel: #ffffff;              /* main card */
  --spring-panel-tint: rgba(255, 255, 255, 0.88);

  /* Typography */
  --spring-text: #0b1220;               /* ink */
  --spring-muted: #556176;              /* slate */
  --spring-border: #d7dde7;             /* cool border */

  /* Accent (single system) */
  --spring-accent: #111827;             /* charcoal */
  --spring-accent-hover: #1f2937;
  --spring-focus: 0 0 0 3px rgba(17, 24, 39, 0.24);

  /* Back-compat aliases used in this file */
  --ink: var(--spring-text);
  --muted: var(--spring-muted);
  --accent: var(--spring-accent);
  --accent2: #35d0c6; /* optional; avoid using unless explicitly requested later */
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--spring-text);
  background:
    repeating-linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.04),
      rgba(255, 255, 255, 0.04) 1px,
      transparent 1px,
      transparent 60px
    ),
    #0f172a;
  background-repeat: no-repeat;
  background-size: cover;
  background-attachment: fixed;
}

.container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
}

.card {
  width: min(960px, 100%);
  background: var(--spring-panel);
  border: 1px solid var(--spring-border);
  border-radius: 0;
  padding: 20px 56px;
  box-shadow: 0 12px 30px rgba(15, 28, 46, 0.12);
}

.card.logo-board-card {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 32px 0;
}

.main-card {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.lead-block {
  padding-bottom: 24px;
  position: relative;
  z-index: 2;
  margin-bottom: 24px;
}

.logo-block {
  width: 100%;
  min-height: 360px;
  display: grid;
  place-items: center;
  position: relative;
  z-index: 1;
  padding: 0;
}

header {
  text-align: center;
}

.coming-soon {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--spring-muted);
}

.lead {
  font-size: 12pt;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  line-height: 1.6;
  color: var(--spring-text);
}

.lead-text {
  font-size: inherit;
  display: block;
  margin: 0;
}

.lead-question {
  display: inline-block;
  margin: 12px auto;
  padding: 30px 6px;
  font-weight: 800;
  font-size: 120%;
  letter-spacing: 0.05em;
  line-height: 1.6;
  text-align: center;
}

.contact {
  font-size: 12pt;
}

form {
  max-width: 560px;
  margin: 0 auto;
}

input,
textarea,
button,
select,
.card,
.container,
.panel {
  border-radius: 0;
}

input,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--spring-border);
  background: #ffffff;
  color: var(--spring-text);
  outline: none;
  font-size: 12pt;
}

input::placeholder,
textarea::placeholder {
  color: var(--spring-muted);
}

textarea {
  resize: vertical;
  min-height: 120px;
}

input:focus,
textarea:focus {
  border-color: var(--spring-accent);
  box-shadow: var(--spring-focus);
}

button,
.button {
  width: 100%;
  padding: 12px 20px;
  border: none;
  background-color: var(--spring-accent);
  color: #ffffff;
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  font-size: 12pt;
}

button:hover,
.button:hover {
  background-color: var(--spring-accent-hover);
  transform: translateY(-1px);
}

button:active,
.button:active {
  transform: translateY(0);
}

button:focus-visible,
.button:focus-visible {
  outline: none;
  box-shadow: var(--spring-focus);
}

a {
  color: var(--spring-accent);
}

a:hover {
  color: var(--spring-accent-hover);
}

.logo-board {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  width: 100%;
}

.logo-option {
  display: inline-block;
  margin: 0 auto;
  padding: 0;
  text-align: center;
}

.logo-option.option-5 {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.logo-lockup {
  position: relative;
  display: inline-grid;
  place-items: center;
  padding: 28px 44px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 0;
  backdrop-filter: blur(6px);
  min-height: 180px;
}

.logo-lockup.spring-behind {
  background: #ffffff;
  position: relative;
  z-index: 2;
}

.logo-text {
  position: relative;
  z-index: 2;
  text-align: center;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

.logo-word {
  letter-spacing: 0.18em;
  font-weight: 700;
  color: var(--ink);
  font-size: 36px;
}

.logo-sub {
  margin-top: 10px;
  letter-spacing: 0.22em;
  color: var(--muted);
  font-size: 12px;
}

.logo-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--spring-muted);
  text-transform: uppercase;
}

.logo-accent {
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.tl { top: -10px; left: -10px; }
.tr { top: -10px; right: -10px; }
.bl { bottom: -10px; left: -10px; }
.br { bottom: -10px; right: -10px; }

.left { left: -18px; top: 50%; transform: translateY(-50%); }
.right { right: -18px; top: 50%; transform: translateY(-50%); }
.top { top: -18px; left: 50%; transform: translateX(-50%); }
.bottom { bottom: -18px; left: 50%; transform: translateX(-50%); }

/* Option 5: coil sits behind the card within the logo block */
.logo-block::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 120%;
  height: 100%;
  background: url("../images/spring_coil_v2.svg") center 45% / contain no-repeat;
  transform: translate(-50%, -50%) scale(1, 1.3);
  transform-origin: center;
  z-index: 0;
  opacity: 0.95;
  pointer-events: none;
}

.logo-block .logo-lockup.spring-behind {
  z-index: 1;
}

.logo-lockup.spring-behind::after {
  content: none;
}

footer {
  text-align: center;
  font-size: 12px;
  color: var(--spring-muted);
  margin-top: 24px;
}

.fade-in {
  display: none;
}

@media (max-width: 800px) {
  .card {
    padding: 36px 28px;
  }

  .brand {
    font-size: 34px;
  }
}

@media (max-width: 520px) {
  .card {
    padding: 28px 20px;
  }

  .brand-frame {
    padding: 16px 56px;
  }
}