/* ============================================================
   TRACKFLOW — Clean Professional Light Theme
   ============================================================ */

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #f3f4f6;
  color: #111827;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, button { font-family: inherit; }
[hidden] { display: none !important; }
dl, dd, dt { margin: 0; }

/* ── Container ── */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Tokens ── */
:root {
  --blue:        #2563eb;
  --blue-light:  #eff6ff;
  --blue-mid:    #dbeafe;
  --blue-dark:   #1d4ed8;
  --green:       #16a34a;
  --green-light: #dcfce7;
  --amber:       #d97706;
  --amber-light: #fef3c7;
  --red:         #dc2626;
  --red-light:   #fee2e2;
  --gray-50:     #f9fafb;
  --gray-100:    #f3f4f6;
  --gray-200:    #e5e7eb;
  --gray-300:    #d1d5db;
  --gray-400:    #9ca3af;
  --gray-500:    #6b7280;
  --gray-600:    #4b5563;
  --gray-700:    #374151;
  --gray-800:    #1f2937;
  --gray-900:    #111827;
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.05);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:   0 4px 6px rgba(0,0,0,0.05), 0 2px 4px rgba(0,0,0,0.04);
  --shadow-lg:   0 10px 15px rgba(0,0,0,0.05), 0 4px 6px rgba(0,0,0,0.03);
  --nav-h:       64px;
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-h);
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}
.navbar__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.navbar__logo {
  display: flex;
  align-items: center;
  gap: 9px;
}
.navbar__logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 7px;
}
.navbar__brand {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}
.navbar__nav {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  padding: 7px 14px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-600);
  border-radius: 7px;
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--gray-100); color: var(--gray-900); }
.nav-link--btn {
  margin-left: 6px;
  color: var(--blue);
  border: 1.5px solid var(--blue);
  padding: 6px 16px;
}
.nav-link--btn:hover { background: var(--blue); color: #fff; }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 72px 0 56px;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-500);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.live-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  position: relative;
}
.live-dot::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: var(--green);
  opacity: 0.25;
  animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
  0%, 100% { transform: scale(1); opacity: 0.25; }
  50% { transform: scale(1.6); opacity: 0; }
}

.hero__heading {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 14px;
}
.hero__sub {
  font-size: 1rem;
  color: var(--gray-500);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.65;
}

/* ── Track Form ── */
.track-form { width: 100%; max-width: 680px; }
.track-form__wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1.5px solid var(--gray-300);
  border-radius: 12px;
  padding: 6px 6px 6px 16px;
  box-shadow: var(--shadow-md);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.track-form__wrap:focus-within {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12), var(--shadow-md);
}
.track-form__icon { flex-shrink: 0; }
.track-form__input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 0.95rem;
  color: var(--gray-900);
  background: transparent;
  padding: 10px 0;
  min-width: 0;
}
.track-form__input::placeholder { color: var(--gray-400); }
.track-form__btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 11px 22px;
  border-radius: 9px;
  background: var(--blue);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s, transform 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.track-form__btn:hover { background: var(--blue-dark); transform: translateY(-1px); }
.track-form__btn:active { transform: translateY(0); }

.track-form__chips {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
  justify-content: center;
}
.chips-label {
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 500;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 13px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  transition: all 0.15s;
}
.chip:hover {
  background: var(--blue-light);
  color: var(--blue);
  border-color: var(--blue-mid);
}
.chip--alert {
  color: #92400e;
  background: #fffbeb;
  border-color: #fde68a;
}
.chip--alert:hover {
  background: #fef3c7;
  color: #78350f;
  border-color: #fbbf24;
}
.chip img { border-radius: 2px; }

/* ── Trust bar ── */
.trust-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  font-size: 0.78rem;
  color: var(--gray-400);
  font-weight: 500;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 5px;
}
.trust-sep { color: var(--gray-300); }

/* ============================================================
   LOADING
   ============================================================ */
.loading-wrap {
  padding: 48px 24px;
}
.loading-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 24px 28px;
  max-width: 480px;
  margin: 0 auto;
  box-shadow: var(--shadow-sm);
}
.loading-spinner svg {
  animation: spin 0.9s linear infinite;
  display: block;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 3px;
}
.loading-sub {
  font-size: 0.8rem;
  color: var(--gray-400);
}

/* ============================================================
   RESULTS
   ============================================================ */
.results-wrap {
  padding: 32px 0 64px;
}
.results-wrap .container {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ── Back button ── */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-500);
  padding: 6px 12px;
  border-radius: 7px;
  border: 1px solid var(--gray-200);
  background: #fff;
  transition: all 0.15s;
  align-self: flex-start;
}
.back-btn:hover { color: var(--blue); border-color: var(--blue); background: var(--blue-light); }

/* ── Status Banner ── */
.status-banner {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.status-banner::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--blue);
  border-radius: 12px 0 0 12px;
}
.status-banner--green::before { background: var(--green); }
.status-banner--amber::before { background: var(--white); }
.status-banner--red::before   { background: var(--red); }

.status-banner__left { display: flex; align-items: center; gap: 18px; }
.carrier-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--gray-700);
  letter-spacing: 0.04em;
  min-width: 70px;
  text-align: center;
}
.meta-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 3px;
}
.meta-number {
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--gray-400);
  padding: 3px 8px;
  border-radius: 5px;
  border: 1px solid var(--gray-200);
  background: var(--gray-50);
  transition: all 0.15s;
  cursor: pointer;
}
.copy-btn:hover { color: var(--blue); border-color: #bfdbfe; }
.copy-btn.copied { color: var(--green); border-color: #bbf7d0; }

.status-banner__center { text-align: center; }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.status-badge::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: currentColor;
}
.badge--delivered { background: var(--green-light); color: var(--green); }
.badge--transit   { background: var(--blue-light);  color: var(--blue); }
.badge--out       { background: var(--amber-light); color: var(--amber); }
.badge--pending   { background: var(--gray-100);    color: var(--gray-500); }
.badge--exception { background: #fff7ed;            color: #c2410c; }
.status-location {
  font-size: 0.8rem;
  color: var(--gray-500);
}

.status-banner__right { text-align: right; }
.eta-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--gray-400);
  margin-bottom: 4px;
}
.eta-date {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  line-height: 1.1;
}
.eta-sub {
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-top: 4px;
}

/* ── Stepper ── */
.stepper-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 24px 32px 20px;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}
.stepper {
  display: flex;
  align-items: flex-start;
  min-width: 480px;
}
.step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
/* connector line */
.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 18px;
  left: calc(50% + 18px);
  right: calc(-50% + 18px);
  height: 2px;
  background: var(--gray-200);
  z-index: 0;
}
.step.step--done:not(:last-child)::after { background: var(--blue); }
.step.step--active:not(:last-child)::after {
  background: linear-gradient(to right, var(--blue) 30%, var(--gray-200));
}

.step__circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid var(--gray-200);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  position: relative;
  transition: all 0.3s;
  color: var(--gray-400);
}
.step.step--done .step__circle {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.step.step--active .step__circle {
  border-color: var(--blue);
  color: var(--blue);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.15);
  animation: activeStep 2s ease-in-out infinite;
}
@keyframes activeStep {
  0%, 100% { box-shadow: 0 0 0 4px rgba(37,99,235,0.15); }
  50%       { box-shadow: 0 0 0 7px rgba(37,99,235,0.08); }
}
.step__label {
  margin-top: 10px;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--gray-400);
  text-align: center;
  line-height: 1.3;
}
.step.step--done .step__label,
.step.step--active .step__label { color: var(--gray-700); }
.step.step--active .step__label { color: var(--blue); }

/* ── Results grid ── */
.results-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  align-items: start;
}
@media (max-width: 860px) {
  .results-grid { grid-template-columns: 1fr; }
}

/* ── Panel ── */
.panel {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--gray-100);
}
.panel__title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--gray-800);
}
.panel__title svg { color: var(--blue); }
.panel__count {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  background: var(--gray-100);
  padding: 2px 9px;
  border-radius: 20px;
}

/* ── Timeline ── */
.timeline { padding: 4px 20px 8px; }
.tl-event {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-100);
  animation: fadeUp 0.35s ease both;
}
.tl-event:last-child { border-bottom: none; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tl-event__spine {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 14px;
  padding-top: 4px;
}
.tl-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 2px solid;
}
.tl-dot--delivered { background: var(--green);       border-color: var(--green); }
.tl-dot--transit   { background: var(--blue);        border-color: var(--blue); }
.tl-dot--out       { background: var(--amber);       border-color: var(--amber); }
.tl-dot--pending   { background: #fff;               border-color: var(--gray-300); }
.tl-dot--exception { background: var(--red);         border-color: var(--red); }
.tl-line {
  flex: 1;
  width: 1px;
  background: var(--gray-200);
  min-height: 18px;
  margin-top: 3px;
}
.tl-event--latest .tl-dot {
  width: 14px; height: 14px;
  box-shadow: 0 0 0 3px currentColor;
}
.tl-event__body { flex: 1; min-width: 0; }
.tl-status {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 3px;
}
.tl-event--latest .tl-status { color: var(--blue); }
.tl-loc {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--gray-500);
  margin-bottom: 2px;
}
.tl-time {
  font-size: 0.73rem;
  color: var(--gray-400);
}

/* ── Sidebar panels ── */
.sidebar { display: flex; flex-direction: column; gap: 16px; }

.info-list { padding: 4px 20px 12px; }
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-100);
}
.info-row:last-child { border-bottom: none; }
.info-key {
  font-size: 0.78rem;
  color: var(--gray-500);
  font-weight: 500;
  flex-shrink: 0;
}
.info-val {
  font-size: 0.82rem;
  color: var(--gray-800);
  font-weight: 600;
  text-align: right;
}

/* ── Route box ── */
.route-box { padding: 20px 20px 22px; }
.route-row {
  display: flex;
  align-items: center;
}
.route-city {
  flex-shrink: 0;
  width: 80px;
}
.route-city__name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--gray-800);
}
.route-city__code {
  font-size: 0.68rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-top: 1px;
}
.route-city--right { text-align: right; }
.route-track {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 8px;
  position: relative;
}
.route-line {
  width: 100%;
  height: 2px;
  background: var(--gray-200);
  border-radius: 1px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.route-line::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 55%;
  background: linear-gradient(to right, var(--blue), #93c5fd);
  border-radius: 1px;
}
/* plane sits ON the line */
.route-plane {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 26px;
  height: 26px;
  background: #fff;
  border: 1.5px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  z-index: 2;
  box-shadow: var(--shadow-xs);
}
.route-label {
  font-size: 0.68rem;
  color: var(--gray-400);
  font-weight: 500;
  margin-top: 8px;
}
.route-dots {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 12px;
}
.route-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--blue);
  border: 2px solid #fff;
  box-shadow: 0 0 0 1.5px var(--blue);
}
.route-dot:last-child {
  background: #fff;
  box-shadow: 0 0 0 1.5px var(--gray-300);
}
.route-dot--arrived { background: var(--green); box-shadow: 0 0 0 1.5px var(--green); }

/* ── Notifications ── */
.notif-body { padding: 0 20px 18px; }
.notif-desc {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin: 12px 0 14px;
  line-height: 1.55;
}
.notif-form { display: flex; gap: 8px; }
.notif-input {
  flex: 1;
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.82rem;
  color: var(--gray-800);
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  min-width: 0;
}
.notif-input::placeholder { color: var(--gray-400); }
.notif-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.notif-btn {
  padding: 9px 14px;
  border-radius: 8px;
  background: var(--blue);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.notif-btn:hover { background: var(--blue-dark); }
.notif-btn.success { background: var(--green); }

/* ============================================================
   FEATURES
   ============================================================ */
.features-section {
  background: #fff;
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
  padding: 56px 0;
  margin-top: 16px;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  overflow: hidden;
}
@media (max-width: 860px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
.feature-card {
  background: #fff;
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-icon {
  width: 40px; height: 40px;
  border-radius: 9px;
  background: var(--blue-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  flex-shrink: 0;
}
.feature-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gray-900);
}
.feature-desc {
  font-size: 0.8rem;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #fff;
  border-top: 1px solid var(--gray-200);
  padding: 22px 0;
}
.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gray-700);
}
.footer__brand img { border-radius: 5px; }
.footer__copy {
  font-size: 0.78rem;
  color: var(--gray-400);
}
.footer__links {
  display: flex;
  gap: 20px;
}
.footer__links a {
  font-size: 0.78rem;
  color: var(--gray-400);
  transition: color 0.15s;
}
.footer__links a:hover { color: var(--gray-700); }

/* ============================================================
   RESPONSIVE — Mobile-first, full coverage
   Breakpoints: 480px | 640px | 860px | 1024px
   ============================================================ */

/* ── Base: touch-friendly tap targets ── */
@media (max-width: 860px) {
  .results-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Tablet / large phone ── */
@media (max-width: 640px) {

  /* Container */
  .container { padding: 0 16px; }

  /* Navbar */
  .navbar { height: 56px; }
  :root { --nav-h: 56px; }
  .navbar__brand { font-size: 0.95rem; }
  .navbar__nav { gap: 0; }
  .nav-link { padding: 6px 10px; font-size: 0.82rem; }

  /* Hero */
  .hero { padding: 44px 0 36px; }
  .hero__heading { font-size: clamp(1.6rem, 7vw, 2.2rem); }
  .hero__sub { font-size: 0.9rem; margin-bottom: 28px; }

  /* Search form — stacked on small screens */
  .track-form { max-width: 100%; }
  .track-form__wrap {
    flex-wrap: nowrap;
    padding: 5px 5px 5px 12px;
    border-radius: 10px;
  }
  .track-form__icon { display: none; }
  .track-form__input { font-size: 0.875rem; padding: 9px 0; }
  .track-form__btn {
    padding: 10px 16px;
    font-size: 0.82rem;
    gap: 5px;
    border-radius: 8px;
  }
  .track-form__btn svg { display: none; }

  /* Demo chips */
  .track-form__chips { gap: 6px; margin-top: 12px; }
  .chips-label { display: none; }
  .chip { font-size: 0.72rem; padding: 4px 10px; }

  /* Trust bar */
  .trust-bar { gap: 8px; flex-wrap: wrap; justify-content: center; }

  /* Loading */
  .loading-card { padding: 18px 20px; gap: 12px; }

  /* Results wrap */
  .results-wrap { padding: 20px 0 48px; }
  .results-wrap .container { gap: 12px; }

  /* Status banner — vertical stack */
  .status-banner {
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 18px 18px 22px;
    gap: 14px;
  }
  .status-banner__left { flex-wrap: wrap; gap: 12px; }
  .status-banner__center { text-align: left; }
  .status-banner__right { text-align: left; width: 100%; }
  .carrier-logo { min-width: 60px; font-size: 0.82rem; padding: 8px 12px; }
  .meta-number { font-size: 0.9rem; }
  .eta-date { font-size: 1.2rem; }

  /* Stepper — smaller circles on mobile */
  .stepper-card { padding: 18px 16px 16px; }
  .stepper { min-width: 300px; }
  .step__circle { width: 30px; height: 30px; }
  .step__label { font-size: 0.6rem; margin-top: 7px; }
  .step:not(:last-child)::after { top: 15px; }

  /* Results grid — single column */
  .results-grid { grid-template-columns: 1fr; gap: 12px; }

  /* Timeline */
  .timeline { padding: 4px 14px 8px; }
  .tl-event { gap: 10px; padding: 12px 0; }
  .tl-status { font-size: 0.82rem; }
  .tl-loc { font-size: 0.73rem; }

  /* Info panel */
  .info-list { padding: 4px 14px 10px; }
  .panel__head { padding: 14px 14px 12px; }

  /* Route box */
  .route-box { padding: 16px 14px 18px; }
  .route-city { width: 64px; }
  .route-city__name { font-size: 0.75rem; }
  .route-city__code { font-size: 0.6rem; }

  /* Notification */
  .notif-body { padding: 0 14px 14px; }
  .notif-form { flex-direction: column; gap: 8px; }
  .notif-btn { width: 100%; text-align: center; }

  /* Features */
  .features-grid { grid-template-columns: 1fr; }
  .features-section { padding: 36px 0; }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
  }
  .footer__links { gap: 14px; flex-wrap: wrap; justify-content: center; }
}

/* ── Very small phones (≤ 400px) ── */
@media (max-width: 400px) {
  .hero__heading { font-size: 1.5rem; }
  .track-form__btn { padding: 9px 12px; font-size: 0.78rem; }
  .status-banner__left { gap: 8px; }
  .carrier-logo { min-width: 50px; padding: 7px 10px; font-size: 0.75rem; }
  .stepper { min-width: 260px; }
  .step__circle { width: 26px; height: 26px; }
  .step__label { font-size: 0.55rem; }
  .eta-date { font-size: 1.1rem; }
}

/* ── Shake animation ── */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-5px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}