/* ==========================================================================
   LIME IDEAS BOX — style.css
   
   Brand Colours:
   - LIME BLACK:  #000000  (primary background)
   - LIME GREEN:  #C8F348  (primary accent, CTAs, highlights)
   - LIME PINK:   #F298FF  (sparingly — hover/accent only, NEVER bg fill)
   
   Typography:
   - Headlines: Space Grotesk 700 (stand-in for TT Travels Next)
     TODO: Replace with TT Travels Next via Adobe Fonts (Typekit) when kit ID is available
   - Body: Open Sans 400/600
   - Fallback: Arial, sans-serif
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root {
  /* Colours */
  --color-black: #000000;
  --color-green: #C8F348;
  --color-pink: #F298FF;
  --color-white: #FFFFFF;
  --color-grey-light: #B0B0B0;
  --color-grey-muted: #666666;
  --color-grey-dark: #1A1A1A;
  --color-grey-input: #111111;
  --color-error: #FF6B6B;

  /* Typography */
  /* TODO: Swap 'Space Grotesk' for 'tt-travels-next' once Adobe Fonts kit is configured */
  --font-headline: 'Space Grotesk', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;

  /* Spacing (8px grid) */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1rem;     /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2.5rem;   /* 40px */
  --space-xl: 4rem;     /* 64px */
  --space-2xl: 6rem;    /* 96px */
  --space-3xl: 8rem;    /* 128px */

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 200ms;
  --duration-normal: 400ms;
  --duration-slow: 600ms;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Box size */
  --box-size: 50px;
}


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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-white);
  background-color: var(--color-black);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}


/* ---------- Utilities ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}


/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-sm);
  background: var(--color-green);
  color: var(--color-black);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 1000;
  transition: top var(--duration-fast) var(--ease-out);
}

.skip-link:focus {
  top: var(--space-sm);
}


/* ---------- Focus Visible ---------- */
:focus-visible {
  outline: 2px solid var(--color-green);
  outline-offset: 3px;
}

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


/* ---------- Header ---------- */
.site-header {
  padding: var(--space-lg) var(--space-md);
}

.header__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
}

.header__logo img {
  width: 120px;
  height: auto;
}


/* ---------- Hero Section ---------- */
.hero {
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  text-align: center;
}

.hero__inner {
  max-width: 720px;
  margin: 0 auto;
}

.hero__headline {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(2.5rem, 8vw, 5rem);
  line-height: 1.05;
  color: var(--color-green);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero__subtext {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-grey-light);
  max-width: 520px;
  margin: 0 auto var(--space-lg);
  line-height: 1.7;
}

.hero__subtext strong {
  color: var(--color-green);
  font-weight: 600;
}

.hero__arrow {
  animation: bounce-down 2s var(--ease-out) infinite;
  opacity: 0.5;
}

.hero__arrow svg {
  width: 28px;
  height: 28px;
}

@keyframes bounce-down {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}


/* ---------- Ideas Section ---------- */
.ideas-section {
  padding: var(--space-lg) var(--space-md) var(--space-3xl);
  display: flex;
  justify-content: center;
  flex: 1;
}

.ideas-box-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  max-width: 520px;
}


/* ---------- The Tiny Box ---------- */
.tiny-box {
  position: relative;
  width: var(--box-size);
  height: var(--box-size);
  cursor: pointer;
  transition: transform var(--duration-slow) var(--ease-spring),
              opacity var(--duration-normal) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.tiny-box:hover .tiny-box__tooltip,
.tiny-box:focus-visible .tiny-box__tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.tiny-box:hover .tiny-box__lid {
  transform: translateY(-3px) rotateX(-12deg);
}

/* Box Visual */
.tiny-box__visual {
  position: relative;
  width: 100%;
  height: 100%;
}

.tiny-box__body {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 72%;
  background: var(--color-pink);
  border-radius: 2px 2px 4px 4px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 4px;
}

.tiny-box__slot {
  width: 50%;
  height: 3px;
  background: var(--color-black);
  border-radius: 2px;
}

.tiny-box__lid {
  position: absolute;
  top: 0;
  left: -4px;
  width: calc(100% + 8px);
  height: 32%;
  background: var(--color-pink);
  border-radius: 4px 4px 0 0;
  transition: transform var(--duration-normal) var(--ease-out);
  transform-origin: bottom center;
  z-index: 1;
  /* Slightly darker top */
  background: linear-gradient(180deg, #e080f0 0%, var(--color-pink) 100%);
}

/* Pink Glow */
.tiny-box__glow {
  position: absolute;
  inset: -12px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(242, 152, 255, 0.25) 0%, transparent 70%);
  animation: pulse-glow 2.5s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

/* Tooltip */
.tiny-box__tooltip {
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  white-space: nowrap;
  font-size: 0.8rem;
  color: var(--color-pink);
  background: var(--color-grey-dark);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(242, 152, 255, 0.2);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out),
              transform var(--duration-normal) var(--ease-out);
  pointer-events: none;
  z-index: 10;
}

.tiny-box__tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--color-grey-dark);
}

/* Hint text below box */
.ideas-box-hint {
  font-size: 0.85rem;
  color: var(--color-grey-muted);
  text-align: center;
  transition: opacity var(--duration-normal) var(--ease-out);
}


/* ---------- Box Open State ---------- */
.tiny-box.is-open {
  transform: scale(0);
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

.ideas-box-hint.is-hidden {
  opacity: 0;
  pointer-events: none;
  position: absolute;
}


/* ---------- Form Container ---------- */
.form-container {
  width: 100%;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height var(--duration-slow) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out),
              visibility 0s linear var(--duration-slow);
}

.form-container.is-visible {
  max-height: 800px;
  opacity: 1;
  visibility: visible;
  transition: max-height var(--duration-slow) var(--ease-out),
              opacity var(--duration-normal) var(--ease-out),
              visibility 0s linear 0s;
}

.form-container__inner {
  position: relative;
  background: var(--color-grey-dark);
  border: 1px solid rgba(200, 243, 72, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  /* Subtle green glow on the form */
  box-shadow: 0 0 60px -20px rgba(200, 243, 72, 0.12),
              0 4px 24px rgba(0, 0, 0, 0.4);
}

/* Close button */
.form-close {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-grey-muted);
  transition: color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out);
}

.form-close:hover,
.form-close:focus-visible {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.08);
}

/* Form Title */
.form__title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(1.3rem, 4vw, 1.75rem);
  color: var(--color-green);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

/* Honeypot — hidden */
.form__honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  width: 0;
  overflow: hidden;
  pointer-events: none;
}

/* Form Groups */
.form__group {
  margin-bottom: var(--space-md);
}

.form__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-grey-light);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 14px 16px;
  background: var(--color-grey-input);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--color-grey-muted);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(200, 243, 72, 0.15);
}

.form__input.has-error,
.form__textarea.has-error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* Error messages */
.form__error {
  display: block;
  font-size: 0.8rem;
  color: var(--color-error);
  margin-top: 6px;
  min-height: 1.2em;
}

/* Submit Button */
.form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 16px 32px;
  background: var(--color-green);
  color: var(--color-black);
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.form__submit:hover {
  background: #d4ff50;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(200, 243, 72, 0.3);
}

.form__submit:active {
  transform: translateY(0);
}

/* Pink accent on hover — used sparingly */
.form__submit:focus-visible {
  box-shadow: 0 0 0 3px var(--color-pink);
}

.form__submit-loading {
  display: none;
}

.form__submit.is-loading .form__submit-text {
  display: none;
}

.form__submit.is-loading .form__submit-loading {
  display: inline;
}

.form__submit.is-loading {
  opacity: 0.7;
  cursor: wait;
}

/* Another idea button */
.form__submit--another {
  margin-top: var(--space-md);
  background: transparent;
  border: 2px solid var(--color-green);
  color: var(--color-green);
}

.form__submit--another:hover {
  background: rgba(200, 243, 72, 0.1);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(200, 243, 72, 0.15);
}


/* ---------- Success State ---------- */
.form__success {
  display: none;
  text-align: center;
  padding: var(--space-md) 0;
}

.form__success.is-visible {
  display: block;
  animation: fade-in var(--duration-normal) var(--ease-out);
}

.form__success-icon {
  font-size: 3rem;
  margin-bottom: var(--space-sm);
}

.form__success-title {
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: clamp(1.3rem, 4vw, 1.75rem);
  color: var(--color-green);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.form__success-text {
  font-size: 0.95rem;
  color: var(--color-grey-light);
  line-height: 1.6;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}


/* ---------- Footer ---------- */
.site-footer {
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin-top: auto;
}

.footer__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--color-grey-muted);
}

.footer__note {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.2);
  margin-top: var(--space-xs);
}


/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .site-header {
    padding: var(--space-md) var(--space-sm);
  }

  .hero {
    padding: var(--space-lg) var(--space-sm) var(--space-md);
  }

  .ideas-section {
    padding: var(--space-md) var(--space-sm) var(--space-2xl);
  }

  .form-container__inner {
    padding: var(--space-md);
  }

  .header__logo img {
    width: 100px;
  }
}


/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .hero__arrow {
    animation: none;
  }

  .tiny-box__glow {
    animation: none;
    opacity: 0.6;
  }

  .form-container {
    transition: none;
  }
}