/* MFi Warranty Extension — Apple-style frontend */

.mfi-wrap {
  --mfi-bg: #f5f5f7;
  --mfi-card: #ffffff;
  --mfi-text: #1d1d1f;
  --mfi-muted: #6e6e73;
  --mfi-soft: #86868b;
  --mfi-line: #d2d2d7;
  --mfi-line-soft: #f0f0f0;
  --mfi-accent: #0071e3;
  --mfi-shadow: 0 4px 20px rgba(0,0,0,0.04);
  --mfi-shadow-hover: 0 8px 32px rgba(0,0,0,0.08);
  --mfi-radius: 18px;
  --mfi-radius-sm: 12px;
  --mfi-pill: 980px;

  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--mfi-text);
  background: var(--mfi-bg);
  min-height: 100vh;
  font-size: 17px;
  line-height: 1.47059;
  letter-spacing: -0.022em;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

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

.mfi-main, .mfi-container, .mfi-step, .mfi-block { max-width: 100%; }

/* ============ Top bar ============ */
.mfi-topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.mfi-topbar-inner {
  max-width: 1024px; margin: 0 auto;
  padding: 14px 22px;
  display: flex; align-items: center; justify-content: space-between;
}
.mfi-logo-img { max-height: 28px; display: block; }
.mfi-logo-text {
  font-size: 18px; font-weight: 600; letter-spacing: -0.01em;
}

.mfi-stepper {
  display: flex; align-items: center; gap: 6px;
}
.mfi-step-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #d2d2d7;
  transition: background-color .3s ease, transform .3s ease;
}
.mfi-step-dot.is-active { background: var(--mfi-text); transform: scale(1.15); }
.mfi-step-dot.is-done { background: #1d1d1f; }
.mfi-step-line {
  width: 22px; height: 1px; background: #d2d2d7;
  transition: background-color .3s ease;
}
.mfi-step-line.is-done { background: var(--mfi-text); }

/* ============ Main / steps ============ */
.mfi-main { padding: 56px 22px 96px; }
.mfi-container { max-width: 1024px; margin: 0 auto; }

.mfi-step {
  display: none;
  animation: mfi-fade-up .45s ease both;
}
.mfi-step.is-active { display: block; }
@keyframes mfi-fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============ Hero / headlines ============ */
.mfi-hero { margin-bottom: 56px; }
.mfi-headline {
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
  font-weight: 400;
}
.mfi-headline .bold { font-weight: 600; color: var(--mfi-text); display: inline; }
.mfi-headline .light { font-weight: 600; color: var(--mfi-soft); display: inline; }

.mfi-h1 {
  font-size: clamp(32px, 4.4vw, 44px);
  line-height: 1.1; letter-spacing: -0.02em; margin: 0; font-weight: 600;
  color: var(--mfi-text);
}
.mfi-h2 {
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.15; letter-spacing: -0.018em;
  margin: 0; font-weight: 600; color: var(--mfi-text);
}
.mfi-sub {
  font-size: 17px; color: var(--mfi-muted); margin: 8px 0 0 0;
  line-height: 1.5; max-width: 640px;
}
.mfi-section-head { margin-bottom: 28px; }
.mfi-section-head--center { text-align: center; }
.mfi-section-head--center .mfi-sub { margin-left: auto; margin-right: auto; }

/* ============ Blocks ============ */
.mfi-block { margin-top: 56px; }

/* ============ Product grid ============ */
.mfi-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  width: 100%;
}

.mfi-product-card {
  position: relative;
  background: var(--mfi-card);
  border: 2px solid transparent;
  border-radius: var(--mfi-radius);
  padding: 24px 20px 20px;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  box-shadow: var(--mfi-shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  aspect-ratio: 1 / 1;
  display: flex; flex-direction: column;
  outline: none;
}

.mfi-product-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--mfi-shadow-hover);
}
.mfi-product-card:focus-visible { border-color: var(--mfi-text); }
.mfi-product-card.is-selected {
  border-color: var(--mfi-text);
  box-shadow: var(--mfi-shadow-hover);
}
.mfi-product-card.is-selected .mfi-check { opacity: 1; transform: scale(1); }

.mfi-product-thumb {
  flex: 1 1 auto;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
  min-height: 0;
}
.mfi-product-thumb img {
  max-width: 80%; max-height: 100%; width: auto; height: auto;
  object-fit: contain;
}
.mfi-thumb-placeholder {
  color: #d2d2d7;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}

.mfi-product-name {
  font-size: 15px; font-weight: 500; color: var(--mfi-text);
  letter-spacing: -0.01em; line-height: 1.3;
  text-align: center;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.mfi-check {
  position: absolute; top: 12px; right: 12px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--mfi-text); color: #fff;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.6);
  transition: opacity .2s ease, transform .2s ease;
}

/* ============ Platform grid ============ */
.mfi-platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.mfi-platform-block { display: none; } /* shown after a product is chosen */
.mfi-platform-block.is-visible {
  display: block;
  animation: mfi-fade-up .4s ease both;
}

.mfi-platform-card {
  position: relative;
  background: var(--mfi-card);
  border: 2px solid transparent;
  border-radius: var(--mfi-radius-sm);
  padding: 22px 24px;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
  text-align: left;
  box-shadow: var(--mfi-shadow);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  outline: none;
}
.mfi-platform-card:hover { transform: translateY(-2px); box-shadow: var(--mfi-shadow-hover); }
.mfi-platform-card:focus-visible { border-color: var(--mfi-text); }
.mfi-platform-card.is-selected { border-color: var(--mfi-text); }
.mfi-platform-card.is-selected .mfi-check { opacity: 1; transform: scale(1); }
.mfi-platform-name { font-size: 17px; font-weight: 500; }

/* ============ CTA Row ============ */
.mfi-cta-row {
  display: flex; justify-content: center; margin-top: 56px;
}

/* ============ Buttons ============ */
.mfi-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit; font-size: 17px; font-weight: 400;
  padding: 14px 28px;
  border-radius: var(--mfi-pill);
  border: 0; cursor: pointer;
  transition: transform .15s ease, opacity .15s ease, background-color .15s ease;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.mfi-btn-primary {
  background: var(--mfi-text); color: #fff;
}
.mfi-btn-primary:hover { background: #000; }
.mfi-btn-primary:active { transform: scale(0.98); }
.mfi-btn-primary:disabled {
  background: #d2d2d7; cursor: not-allowed; color: #fff; opacity: .9;
}

.mfi-back {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 0; cursor: pointer;
  color: var(--mfi-muted); font-family: inherit; font-size: 14px;
  margin-bottom: 24px; padding: 8px 0;
}
.mfi-back:hover { color: var(--mfi-text); }

/* ============ Empty state ============ */
.mfi-empty {
  text-align: center; padding: 40px 20px;
  color: var(--mfi-muted); background: var(--mfi-card);
  border-radius: var(--mfi-radius); border: 1px dashed var(--mfi-line);
}

/* ============ Video block ============ */
.mfi-video-block { margin-bottom: 56px; }
.mfi-video-frame {
  position: relative; width: 100%;
  max-width: 880px; margin: 32px auto 0;
  aspect-ratio: 16 / 9;
  background: #1d1d1f;
  border-radius: var(--mfi-radius);
  overflow: hidden;
  box-shadow: var(--mfi-shadow);
}
.mfi-video-frame iframe, .mfi-video-frame video {
  position: absolute; inset: 0; width: 100%; height: 100%; border: 0;
}
.mfi-video-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: #fff; gap: 12px; font-size: 14px; opacity: .7;
}

/* ============ Form ============ */
.mfi-summary-pill {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 10px 16px;
  background: var(--mfi-card);
  border-radius: var(--mfi-pill);
  margin-bottom: 32px;
  box-shadow: var(--mfi-shadow);
  font-size: 14px;
}
.mfi-summary-pill .label {
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--mfi-soft); font-size: 11px; font-weight: 500;
}
.mfi-summary-pill .value { color: var(--mfi-text); font-weight: 500; }

.mfi-form {
  background: var(--mfi-card);
  border-radius: var(--mfi-radius);
  padding: 36px;
  box-shadow: var(--mfi-shadow);
}
.mfi-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 24px;
}
.mfi-field { display: flex; flex-direction: column; gap: 6px; }
.mfi-field-full { grid-column: 1 / -1; }
.mfi-field label {
  font-size: 13px; font-weight: 500; color: var(--mfi-text);
  letter-spacing: -0.01em;
}
.mfi-field .mfi-hint { font-weight: 400; color: var(--mfi-soft); font-size: 12px; }

.mfi-field input[type="text"],
.mfi-field input[type="email"],
.mfi-field input[type="tel"],
.mfi-field input[type="date"] {
  width: 100%;
  padding: 14px 16px;
  font-family: inherit; font-size: 16px;
  border: 1px solid var(--mfi-line);
  border-radius: var(--mfi-radius-sm);
  background: #fff;
  color: var(--mfi-text);
  transition: border-color .2s ease, box-shadow .2s ease;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.mfi-field input:focus {
  border-color: var(--mfi-text);
  box-shadow: 0 0 0 3px rgba(0,0,0,0.06);
}
.mfi-field input[readonly] {
  background: #fafafa; color: var(--mfi-muted);
}
.mfi-field input.is-invalid { border-color: #c01818; box-shadow: 0 0 0 3px rgba(192,24,24,.1); }

/* File field */
.mfi-file {
  position: relative; display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  border: 1px dashed var(--mfi-line);
  border-radius: var(--mfi-radius-sm);
  background: #fafafa;
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease;
}
.mfi-file:hover { border-color: var(--mfi-text); background: #f5f5f7; }
.mfi-file input[type="file"] {
  position: absolute; left: 0; top: 0;
  width: 100%; height: 100%; opacity: 0; cursor: pointer;
}
.mfi-file-text {
  font-size: 13px; font-weight: 500; color: var(--mfi-text);
  padding: 6px 12px; background: #fff;
  border-radius: var(--mfi-pill); border: 1px solid var(--mfi-line);
}
.mfi-file-name { font-size: 13px; color: var(--mfi-muted); flex: 1; }
.mfi-file.has-file .mfi-file-name { color: var(--mfi-text); font-weight: 500; }
.mfi-file.is-invalid { border-color: #c01818; }

.mfi-form-msg {
  margin-top: 24px; min-height: 0;
}
.mfi-form-msg.error {
  padding: 12px 16px; background: #fff0f0; color: #a31a1a;
  border-radius: var(--mfi-radius-sm); font-size: 14px;
}
.mfi-form-msg.success {
  padding: 12px 16px; background: #f0f9ff; color: #0a4d68;
  border-radius: var(--mfi-radius-sm); font-size: 14px;
}

.mfi-btn-submit { min-width: 220px; justify-content: center; position: relative; }
.mfi-btn-submit.is-loading .text { opacity: 0; }
.mfi-btn-submit.is-loading .loading { display: inline-flex; }
.mfi-btn-submit .loading {
  position: absolute; inset: 0;
  display: none; align-items: center; justify-content: center; gap: 5px;
}
.mfi-btn-submit .dot {
  width: 6px; height: 6px; background: #fff; border-radius: 50%;
  animation: mfi-bounce 1.2s infinite ease-in-out;
}
.mfi-btn-submit .dot:nth-child(2) { animation-delay: .15s; }
.mfi-btn-submit .dot:nth-child(3) { animation-delay: .3s; }
@keyframes mfi-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: .5; }
  40% { transform: scale(1); opacity: 1; }
}

/* ============ Thank you ============ */
.mfi-thanks-container { text-align: center; max-width: 640px; margin: 0 auto; padding-top: 32px; }
.mfi-thanks-icon { display: flex; justify-content: center; margin-bottom: 32px; }
.mfi-thanks-icon svg { animation: mfi-pop .55s cubic-bezier(0.2, 0.9, 0.3, 1.3) both; }
@keyframes mfi-pop {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}
.mfi-step-thanks .mfi-headline { display: flex; flex-direction: column; gap: 4px; }
.mfi-step-thanks .mfi-headline .bold,
.mfi-step-thanks .mfi-headline .light { display: block; }
.mfi-thanks-message {
  margin: 24px auto 40px; max-width: 480px;
  font-size: 17px; color: var(--mfi-muted);
  line-height: 1.55;
}

/* ============ Responsive ============ */
@media (max-width: 720px) {
  .mfi-main { padding: 32px 18px 80px; }
  .mfi-block { margin-top: 40px; }
  .mfi-form { padding: 24px 20px; }
  .mfi-form-grid { grid-template-columns: minmax(0, 1fr); gap: 18px; }
  .mfi-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .mfi-product-card { padding: 18px 14px 14px; }
  .mfi-platform-grid { grid-template-columns: minmax(0, 1fr); }
  .mfi-headline { font-size: 36px; line-height: 1.1; }
  .mfi-hero { margin-bottom: 40px; }
  .mfi-cta-row { margin-top: 40px; }
}

@media (max-width: 380px) {
  .mfi-main { padding: 28px 14px 72px; }
  .mfi-product-grid { gap: 10px; }
  .mfi-product-card { padding: 14px 10px 12px; }
  .mfi-product-name { font-size: 13px; }
  .mfi-headline { font-size: 32px; }
}