/* Last Set waitlist — QR / launch-party optimized, mobile-first */

:root {
  --color-bg: #0a0c0f;
  --color-surface: #141820;
  --color-surface-border: rgba(255, 255, 255, 0.08);
  --color-text: #f6f8fc;
  --color-text-muted: #8f96a3;
  --color-primary: #32ff77;
  --color-primary-hover: #47ff85;
  --color-primary-text: #000000;
  --color-error: #ff6b6b;
  --radius: 10px;
  --radius-lg: 14px;
  --page-padding: max(12px, env(safe-area-inset-left));
  --page-padding-right: max(12px, env(safe-area-inset-right));
  --page-padding-bottom: max(20px, env(safe-area-inset-bottom));
  --max-width-mobile: 440px;
  --max-width-wide: 1120px;
  --max-width: var(--max-width-mobile);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-size: 16px;
  line-height: 1.45;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Instant paint: gradient first; texture loads after (see main.js) */
.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(165deg, #12151c 0%, #0a0c0f 48%, #060708 100%);
  pointer-events: none;
}

.page-bg.has-texture {
  background:
    linear-gradient(180deg, rgba(10, 12, 15, 0.88) 0%, rgba(10, 12, 15, 0.96) 45%, #0a0c0f 100%),
    url('assets/images/roberto-shumski-o_EjUZo8AKk-unsplash.jpg') center / cover no-repeat;
}

@media (min-width: 900px) {
  .page-bg.has-texture {
    background:
      linear-gradient(
        90deg,
        rgba(10, 12, 15, 0.92) 0%,
        rgba(10, 12, 15, 0.78) 38%,
        rgba(10, 12, 15, 0.78) 62%,
        rgba(10, 12, 15, 0.92) 100%
      ),
      url('assets/images/roberto-shumski-o_EjUZo8AKk-unsplash.jpg') center / cover no-repeat;
  }
}

.page {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: max(8px, env(safe-area-inset-top)) var(--page-padding-right) var(--page-padding-bottom)
    var(--page-padding);
}

/* ========== Above the fold (QR: hero + form, no scroll) ========== */
.above-fold {
  display: flex;
  flex-direction: column;
}

.above-fold-main {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
}

.hero {
  flex-shrink: 0;
  text-align: center;
  padding: 4px 0 8px;
}

.hero-logo {
  display: block;
  width: 100px;
  height: 100px;
  margin-inline: auto;
  object-fit: contain;
}

.hero-eyebrow {
  margin: 6px 0 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.hero-title {
  margin: 4px 0 0;
  font-size: clamp(1.25rem, 4.5vw, 1.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.hero-tagline {
  margin: 4px 0 0;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.signup-card {
  flex-shrink: 0;
  margin-top: 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  padding: 12px 12px 14px;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.waitlist-form[hidden],
.success-panel[hidden] {
  display: none !important;
}

.form-error {
  margin: 0;
  padding: 8px 10px;
  font-size: 0.8125rem;
  color: var(--color-error);
  background: rgba(255, 107, 107, 0.12);
  border-radius: var(--radius);
  border: 1px solid rgba(255, 107, 107, 0.35);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-size: 0.8125rem;
  font-weight: 500;
}

.optional {
  font-weight: 400;
  color: var(--color-text-muted);
}

.field input[type='text'],
.field input[type='email'] {
  width: 100%;
  padding: 10px 12px;
  font: inherit;
  font-size: 16px; /* prevents iOS zoom on focus */
  color: var(--color-text);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  outline: none;
}

.field input::placeholder {
  color: var(--color-text-muted);
  opacity: 0.85;
}

.field input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(50, 255, 119, 0.2);
}

.field-radio {
  margin: 0;
  padding: 0;
  border: none;
}

.radio-row {
  display: flex;
  gap: 12px;
  margin-top: 4px;
}

.radio-option {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

.radio-option:has(input:checked) {
  border-color: var(--color-primary);
  background: rgba(50, 255, 119, 0.1);
}

.radio-option input {
  accent-color: var(--color-primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

.btn-primary {
  color: var(--color-primary-text);
  background: var(--color-primary);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.btn-submit {
  width: 100%;
  margin-top: 6px;
}

.success-panel {
  text-align: center;
  padding: 12px 4px;
}

.success-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 0 auto 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-text);
  background: var(--color-primary);
  border-radius: 50%;
}

.success-message {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

.success-panel .btn-ok {
  min-width: 120px;
  margin-top: 4px;
}

.success-panel:not([hidden]) + .waitlist-form {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--color-surface-border);
}

/* ========== Below the fold (deferred paint) ========== */
.below-fold {
  content-visibility: auto;
  contain-intrinsic-size: auto 1200px;
  padding-top: 12px;
}

.scroll-hint {
  margin: 0 0 16px;
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.features,
.app-preview,
.how-it-works,
.gallery {
  margin-bottom: 28px;
}

.section-title {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 600;
}

.section-lead {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.features-list {
  margin: 0;
  padding: 0 0 0 1.2rem;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.features-list li {
  margin-bottom: 8px;
}

.features-list li::marker {
  color: var(--color-primary);
}

.feature-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.feature-card {
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
}

.feature-card-icon {
  display: block;
  margin-bottom: 6px;
  font-size: 1.125rem;
  line-height: 1;
}

.feature-card-title {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 600;
}

.feature-card p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

.steps-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.steps-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
}

.step-num {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary-text);
  background: var(--color-primary);
  border-radius: 50%;
}

.step-title {
  margin: 0 0 4px;
  font-size: 0.9375rem;
  font-weight: 600;
}

.steps-list p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

/* Client photos — below the fold, lazy-loaded (does not block QR / signup) */
.photo-strip {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 4px;
}

.photo-strip img {
  flex: 0 0 min(78%, 280px);
  width: min(78%, 280px);
  height: 168px;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--color-surface-border);
  scroll-snap-align: start;
}

.social {
  margin-bottom: 28px;
  text-align: center;
}

.social-copy {
  margin: 0 0 6px;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

.social-handle {
  margin: 0 0 14px;
  font-weight: 600;
  color: var(--color-primary);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text);
  text-decoration: none;
  background: var(--color-surface);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius);
}

.social-icon {
  width: 20px;
  height: 20px;
}

.footer {
  text-align: center;
  padding-top: 4px;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.footer p {
  margin: 0;
}

/* Short phones: tighter above-fold so hero + form + CTA stay visible */
@media (max-height: 700px) {
  .hero {
    padding: 2px 0 6px;
  }

  .hero-logo {
    width: 36px;
    height: 36px;
  }

  .hero-title {
    font-size: 1.2rem;
  }

  .waitlist-form {
    gap: 12px;
  }

  .field input[type='text'],
  .field input[type='email'] {
    padding: 8px 10px;
  }

  .radio-option {
    padding: 7px 6px;
  }

  .btn-submit {
    padding: 10px 14px;
  }
}

@media (min-width: 480px) {
  .social-links {
    flex-direction: row;
  }

  .social-btn {
    flex: 1;
  }
}

/* ========== Tablet: wider content, roomier spacing ========== */
@media (min-width: 600px) {
  :root {
    --max-width: min(92vw, 560px);
  }

  .page {
    padding-top: max(16px, env(safe-area-inset-top));
    padding-left: max(24px, env(safe-area-inset-left));
    padding-right: max(24px, env(safe-area-inset-right));
    padding-bottom: max(32px, env(safe-area-inset-bottom));
  }

  .hero-logo {
    width: 88px;
    height: 88px;
  }

  .hero-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .signup-card {
    padding: 18px 20px 20px;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* ========== Desktop: centered hero + form, full-width layout ========== */
@media (min-width: 900px) {
  :root {
    --max-width: var(--max-width-wide);
  }

  body {
    font-size: 17px;
  }

  .page {
    padding: 40px 48px 64px;
  }

  .above-fold {
    align-items: center;
    padding: 24px 0 48px;
  }

  .above-fold-main {
    max-width: 520px;
  }

  .hero {
    padding: 0;
  }

  .hero-logo {
    width: 120px;
    height: 120px;
    margin: 0 auto 8px;
  }

  .hero-title {
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    max-width: 14ch;
    margin-inline: auto;
  }

  .hero-tagline {
    font-size: 1.125rem;
    max-width: 28ch;
    margin-bottom: 0;
    margin-inline: auto;
  }

  .signup-card {
    margin-top: 24px;
    padding: 24px 28px 28px;
  }

  .waitlist-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px 20px;
  }

  .waitlist-form > .form-error,
  .waitlist-form > label.field:nth-of-type(3),
  .waitlist-form > .field-radio,
  .waitlist-form > .btn-submit {
    grid-column: 1 / -1;
  }

  .scroll-hint {
    display: none;
  }

  .below-fold {
    padding-top: 8px;
  }

  .features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 40px;
    align-items: start;
  }

  .features .section-title {
    grid-column: 1 / -1;
    font-size: 1.5rem;
    margin-bottom: 4px;
  }

  .features .section-lead {
    margin: 0;
    font-size: 1.0625rem;
  }

  .features-list {
    margin: 0;
    font-size: 1rem;
  }

  .app-preview .section-title,
  .how-it-works .section-title,
  .social .section-title {
    font-size: 1.5rem;
    margin-bottom: 16px;
  }

  .section-lead {
    font-size: 1.0625rem;
  }

  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .feature-card {
    padding: 16px 18px;
  }

  .feature-card p {
    font-size: 0.9375rem;
  }

  .steps-list {
    flex-direction: row;
    gap: 16px;
  }

  .steps-list li {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 20px;
  }

  .photo-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    overflow: visible;
    margin-top: 0;
  }

  .photo-strip img {
    width: 100%;
    flex: none;
    height: 220px;
    object-position: center center;
  }

  .photo-strip img:first-child {
    object-position: center 40%;
  }

  .social {
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
  }

  .social-copy {
    font-size: 1rem;
  }
}

@media (min-width: 1200px) {
  .page {
    padding-left: 64px;
    padding-right: 64px;
  }
}