/* ============================================
   SHOPIFY IMAGE OPTIMIZER — style.css
   Mobile-first, production-ready
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  background-color: #EEF2FF;
  min-height: 100vh;
  color: #1E293B;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

/* ---- CSS VARIABLES ---- */
:root {
  --blue-primary: #3B5BDB;
  --blue-dark: #1E3A8A;
  --blue-hover: #3451C7;
  --blue-light: #DBEAFE;
  --blue-cta: #3B5BDB;
  --green: #22C55E;
  --green-light: #DCFCE7;
  --amber: #F59E0B;
  --amber-light: #FEF3C7;
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-900: #0F172A;
  --card-bg: #FFFFFF;
  --card-radius: 20px;
  --card-shadow: 0 4px 24px rgba(59,91,219,0.08);
  --inner-radius: 14px;
  --transition: 0.2s ease;
}

/* ---- PAGE WRAPPER ---- */
.page-wrapper {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 0;
}

/* ---- APP CARD ---- */
.app-card {
  width: 100%;
  background: #F0F4FF;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

@media (min-width: 480px) {
  .page-wrapper {
    padding: 24px 16px;
    background: #E0E8FF;
    align-items: center;
    min-height: 100vh;
  }

  .app-card {
    min-height: auto;
    border-radius: 28px;
    box-shadow: 0 20px 60px rgba(30,58,138,0.15);
    overflow: hidden;
  }
}

/* ---- APP BAR ---- */
.app-bar {
  background: #1E3A8A;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  flex-shrink: 0;
}

.app-bar__brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.app-bar__logo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  width: 28px;
  height: 28px;
  background: rgba(255,255,255,0.15);
  border-radius: 7px;
  padding: 5px;
}

.logo-dot {
  border-radius: 2px;
  display: block;
}
.logo-dot--blue-dark  { background: #1D4ED8; }
.logo-dot--blue-light { background: #60A5FA; }
.logo-dot--green      { background: #34D399; }
.logo-dot--yellow     { background: #FCD34D; }

.app-bar__name {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.lang-selector {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  color: #FFFFFF;
  font-size: 12px;
  font-weight: 500;
  padding: 5px 10px;
  cursor: pointer;
  transition: background var(--transition);
}

.lang-selector:hover,
.lang-selector:focus-visible {
  background: rgba(255,255,255,0.25);
  outline: none;
}

/* ---- APP CONTENT ---- */
.app-content {
  flex: 1;
  padding: 0 28px 32px;
  overflow-x: hidden;
}

/* ---- HERO ---- */
.hero {
  text-align: center;
  padding: 22px 8px 14px;
}

.hero__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.hero__subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 5px;
}

/* ---- STATES ---- */
.state {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---- DROPZONE ---- */
.dropzone {
  background: var(--card-bg);
  border: 2px dashed #BFCFFF;
  border-radius: var(--inner-radius);
  padding: 28px 20px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  position: relative;
}

.dropzone:hover,
.dropzone:focus-within {
  border-color: var(--blue-primary);
  background: #F5F7FF;
  outline: none;
}

.dropzone.dropzone--dragover {
  border-color: var(--blue-primary);
  background: #EEF2FF;
}

.dropzone__input {
  position: absolute;
  inset: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 1;
}

.dropzone__icon {
  margin-bottom: 10px;
  pointer-events: none;
}

.dropzone__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.4;
  margin-bottom: 14px;
  pointer-events: none;
}

.dropzone__btn {
  position: relative;
  z-index: 2;
  pointer-events: all;
  margin-bottom: 12px;
}

.dropzone__formats {
  font-size: 12px;
  color: var(--gray-400);
  pointer-events: none;
}

.dropzone__limit {
  color: var(--gray-500);
}

/* ---- TRUST ROW ---- */
.trust-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 4px 0;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--gray-500);
  font-weight: 500;
}

.trust-item svg {
  color: var(--gray-400);
  flex-shrink: 0;
}

/* ---- OPTIMIZE CARD ---- */
.optimize-card {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  padding: 16px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.optimize-card__title {
  font-size: 14px;
  font-weight: 700;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ---- PRESET GRID ---- */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.preset-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 4px;
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  background: var(--gray-50);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
  gap: 2px;
}

.preset-btn:hover,
.preset-btn:focus-visible {
  border-color: var(--blue-primary);
  background: var(--blue-light);
  outline: none;
}

.preset-btn--active {
  border-color: var(--blue-primary);
  background: var(--blue-light);
}

.preset-btn:active {
  transform: scale(0.97);
}

.preset-btn__name {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-900);
}

.preset-btn__size {
  font-size: 9px;
  color: var(--gray-500);
  white-space: nowrap;
}

/* ---- PRESET CONTROLS ---- */
.preset-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ctrl-btn {
  padding: 9px 12px;
  border: 1.5px solid var(--gray-200);
  border-radius: 10px;
  background: var(--gray-50);
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700, #374151);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  text-align: center;
}

.ctrl-btn:hover,
.ctrl-btn:focus-visible {
  border-color: var(--blue-primary);
  background: var(--blue-light);
  outline: none;
}

.ctrl-btn--dropdown {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

/* ---- BUTTONS ---- */
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
  border: none;
  padding: 13px 20px;
  width: 100%;
  text-align: center;
  line-height: 1.2;
}

.btn--primary {
  background: var(--blue-cta);
  color: #FFFFFF;
  font-size: 13px;
  font-weight: 600;
  padding: 11px 22px;
  width: auto;
  border-radius: 100px;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--blue-hover);
  outline: none;
}

.btn--cta {
  background: var(--blue-cta);
  color: #FFFFFF;
  letter-spacing: -0.01em;
  font-size: 13px;
}

.btn--cta:hover,
.btn--cta:focus-visible {
  background: var(--blue-hover);
  outline: none;
}

.btn--cta:active {
  transform: scale(0.98);
}

.btn--disabled {
  background: var(--gray-200);
  color: var(--gray-400);
  cursor: not-allowed;
  font-size: 13px;
}

.btn--disabled:hover {
  background: var(--gray-200);
}

.btn--download {
  background: var(--card-bg);
  color: var(--blue-primary);
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  padding: 11px 16px;
  flex: 1;
  width: auto;
  transition: border-color var(--transition), background var(--transition);
}

.btn--download:hover,
.btn--download:focus-visible {
  border-color: var(--blue-primary);
  background: var(--blue-light);
  outline: none;
}

.btn--download-webp {
  background: var(--blue-primary);
  color: #FFFFFF;
  border-color: var(--blue-primary);
}

.btn--download-webp:hover,
.btn--download-webp:focus-visible {
  background: var(--blue-hover);
  border-color: var(--blue-hover);
}

.btn--compress-another {
  background: var(--card-bg);
  color: var(--gray-600);
  border: 1.5px solid var(--gray-200);
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  padding: 11px 16px;
}

.btn--compress-another:hover,
.btn--compress-another:focus-visible {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  outline: none;
}

.btn__spinner {
  animation: spin 0.9s linear infinite;
  flex-shrink: 0;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- ADVANCED OPTIONS ---- */
.advanced-bar {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  overflow: hidden;
  box-shadow: var(--card-shadow);
}

.advanced-bar__btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 13px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  background: none;
  cursor: pointer;
  transition: background var(--transition);
  border: none;
}

.advanced-bar__btn:hover,
.advanced-bar__btn:focus-visible {
  background: var(--gray-50);
  outline: none;
}

.advanced-bar__chevron {
  margin-left: auto;
  transition: transform var(--transition);
  color: var(--gray-400);
}

.advanced-bar__btn[aria-expanded="true"] .advanced-bar__chevron {
  transform: rotate(180deg);
}

.advanced-panel {
  padding: 0 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--gray-100);
}

.adv-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.adv-row__label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  min-width: 48px;
}

.adv-slider {
  flex: 1;
  accent-color: var(--blue-primary);
  cursor: pointer;
}

.adv-row__value {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-primary);
  min-width: 32px;
  text-align: right;
}

.adv-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
}

.adv-checkbox input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--blue-primary);
  cursor: pointer;
}

/* ---- FILE PREVIEW CARD ---- */
.file-preview-card {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  padding: 14px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fadeSlideIn 0.25s ease forwards;
}

.file-preview-card__inner {
  display: flex;
  align-items: center;
  gap: 12px;
}

.file-preview-card__thumb {
  width: 56px;
  height: 56px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--gray-100);
}

.file-preview-card__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.file-preview-card__name {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-preview-card__meta {
  font-size: 11px;
  color: var(--gray-400);
}

.file-preview-card__status {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 600;
  color: var(--green);
}

.file-preview-card__check {
  flex-shrink: 0;
}

.file-preview-card__seo-note {
  font-size: 12px;
  color: var(--gray-500);
  text-align: center;
  line-height: 1.5;
}

/* ---- BOTTOM TRUST ---- */
.bottom-trust {
  text-align: center;
  font-size: 12px;
  color: var(--gray-400);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 4px 0;
}

/* ---- SELECTED FILE CARD (Processing) ---- */
.selected-file-card {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--card-shadow);
}

.selected-file-card__thumb {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--gray-100);
}

.selected-file-card__info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.selected-file-card__name {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.selected-file-card__meta {
  font-size: 11px;
  color: var(--gray-400);
}

.selected-file-card__close {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-500);
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}

.selected-file-card__close:hover,
.selected-file-card__close:focus-visible {
  background: #FEE2E2;
  color: #EF4444;
  outline: none;
}

/* ---- PROCESSING CARD ---- */
.processing-card {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  padding: 20px 16px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.processing-card__title {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  letter-spacing: -0.02em;
}

.processing-card__subtitle {
  font-size: 12px;
  color: var(--gray-400);
  text-align: center;
  margin-top: -8px;
}

/* ---- PROGRESS BAR ---- */
.progress-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.progress-bar {
  height: 8px;
  background: var(--gray-100);
  border-radius: 100px;
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #34D399, #3B5BDB);
  border-radius: 100px;
  transition: width 0.4s ease;
}

.progress-pct {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-align: center;
}

/* ---- STEPS LIST ---- */
.steps-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
}

.step__icon {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--gray-300);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  transition: all var(--transition);
}

.step[data-state="done"] .step__icon {
  background: var(--green);
  border-color: var(--green);
  color: white;
}

.step[data-state="done"] .step__icon::after {
  content: "✓";
  font-size: 10px;
  font-weight: 700;
}

.step[data-state="active"] .step__icon {
  border-color: var(--amber);
  background: var(--amber-light);
  animation: pulse-border 1.2s ease infinite;
}

.step[data-state="active"] .step__icon::after {
  content: "⏳";
  font-size: 10px;
}

.step[data-state="done"] .step__label {
  color: var(--gray-900);
  font-weight: 600;
}

.step[data-state="active"] .step__label {
  color: var(--gray-700, #374151);
}

@keyframes pulse-border {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.3); }
  50%       { box-shadow: 0 0 0 4px rgba(245,158,11,0.1); }
}

/* ---- INFO BOX ---- */
.info-box {
  background: var(--gray-50);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-box__primary {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
}

.info-box__notice {
  font-size: 12px;
  color: var(--gray-500);
  text-align: center;
  background: var(--gray-100);
  padding: 7px 12px;
  border-radius: 8px;
}

/* ---- RESULT PLACEHOLDER ---- */
.result-placeholder {
  background: var(--gray-100);
  border-radius: var(--inner-radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-400);
}

/* ---- SUCCESS BANNER ---- */
.success-banner {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  padding: 18px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--green);
  animation: fadeSlideIn 0.3s ease forwards;
}

.success-banner__check {
  font-size: 28px;
  flex-shrink: 0;
}

.success-banner__headline {
  font-size: 16px;
  font-weight: 800;
  color: var(--gray-900);
  letter-spacing: -0.02em;
}

.success-banner__reduction {
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  margin-top: 2px;
}

/* ---- SEO WARNING ---- */
.seo-warning {
  background: var(--amber-light);
  border: 1px solid #FDE68A;
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.seo-warning__original {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #92400E;
  font-weight: 500;
}

.seo-warning__suggestion {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #166534;
  font-weight: 500;
}

.seo-warning__suggestion strong {
  color: var(--green);
}

/* ---- BEFORE / AFTER ---- */
.before-after {
  background: var(--card-bg);
  border-radius: var(--inner-radius);
  padding: 14px;
  box-shadow: var(--card-shadow);
}

.before-after__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 10px;
}

.before-after__slider-wrap {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-radius: 10px;
  overflow: hidden;
  height: 160px;
  user-select: none;
}

.ba-side {
  position: relative;
  overflow: hidden;
}

.ba-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.ba-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: rgba(0,0,0,0.55);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1.4;
}

.ba-badge--after {
  left: auto;
  right: 8px;
}

.ba-divider {
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: white;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.ba-divider__handle {
  width: 30px;
  height: 30px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  cursor: ew-resize;
}

/* ---- DOWNLOAD ROW ---- */
.download-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ---- ANIMATIONS ---- */
@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- FOCUS VISIBLE GLOBAL ---- */
:focus-visible {
  outline: 2px solid var(--blue-primary);
  outline-offset: 2px;
}

/* ---- HIDDEN UTILITY ---- */
[hidden] {
  display: none !important;
}

/* ---- HIDDEN UTILITY ---- */
[hidden] {
  display: none !important;
}

/* ---- CUSTOM SIZE / TARGET KB TOGGLE PANELS ---- */
.ctrl-btn.preset-btn--active {
  border-color: var(--blue-primary);
  background: var(--blue-light);
  color: var(--gray-900);
}

.custom-box {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

#custom-size-box {
  grid-template-columns: 1fr 1fr;
}

#target-kb-box {
  grid-template-columns: 1fr;
}

.custom-box input {
  width: 100%;
  min-width: 0;
  height: 46px;
  padding: 0 14px;
  border: 1px solid #D6DEEA;
  border-radius: 12px;
  background: #FFFFFF;
  font-size: 14px;
  color: #1C2B45;
  outline: none;
  appearance: textfield;
  -moz-appearance: textfield;
}

.custom-box input::-webkit-outer-spin-button,
.custom-box input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.custom-box input::placeholder {
  color: #8A94A6;
}

.custom-box input:focus {
  border-color: var(--blue-primary);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.12);
}

/* ---- DESKTOP RESPONSIVE ---- */
@media (min-width: 768px) {
  .page-wrapper {
    padding: 48px 24px;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    background: #E0E8FF;
  }

  .app-card {
    max-width: 860px;
    width: 100%;
    min-height: auto;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(30, 58, 138, 0.14);
  }

  .app-content {
    padding: 0 28px 32px;
  }

  .hero {
    padding: 28px 12px 20px;
  }

  .hero__title {
    font-size: 42px;
    line-height: 1.1;
  }

  .hero__subtitle {
    font-size: 22px;
    margin-top: 10px;
  }

  .dropzone {
    padding: 42px 28px 30px;
  }

  .dropzone__title {
    font-size: 34px;
    line-height: 1.3;
  }

  .dropzone__formats {
    font-size: 17px;
  }

  .trust-row {
    gap: 32px;
    padding: 10px 0 4px;
  }

  .trust-item {
    font-size: 17px;
  }

  .optimize-card,
  .advanced-bar,
  .file-preview-card,
  .selected-file-card,
  .processing-card,
  .before-after,
  .success-banner,
  .seo-warning {
    border-radius: 20px;
  }

  .optimize-card {
    padding: 24px;
    gap: 16px;
  }

  .optimize-card__title {
    font-size: 28px;
  }

  .preset-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
  }

  .preset-btn {
    padding: 16px 10px;
    border-radius: 14px;
  }

  .preset-btn__name {
    font-size: 18px;
  }

  .preset-btn__size {
    font-size: 13px;
  }

  .preset-controls {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .ctrl-btn {
    height: 56px;
    font-size: 18px;
    border-radius: 14px;
  }

  .btn--cta {
    font-size: 20px;
    padding: 18px 24px;
  }

  .advanced-bar__btn {
    font-size: 20px;
    padding: 18px 22px;
  }

  .custom-box input {
    height: 54px;
    font-size: 17px;
    border-radius: 14px;
  }

  .file-preview-card {
    padding: 20px;
    gap: 16px;
  }

  .file-preview-card__thumb {
    width: 74px;
    height: 74px;
    border-radius: 14px;
  }

  .file-preview-card__name {
    font-size: 20px;
  }

  .file-preview-card__meta,
  .file-preview-card__status,
  .file-preview-card__seo-note,
  .bottom-trust {
    font-size: 15px;
  }

  .selected-file-card {
    padding: 18px 20px;
  }

  .selected-file-card__thumb {
    width: 68px;
    height: 68px;
    border-radius: 14px;
  }

  .selected-file-card__name {
    font-size: 20px;
  }

  .selected-file-card__meta {
    font-size: 15px;
  }

  .processing-card {
    padding: 26px 24px;
    gap: 18px;
  }

  .processing-card__title {
    font-size: 30px;
  }

  .processing-card__subtitle {
    font-size: 16px;
  }

  .progress-bar {
    height: 10px;
  }

  .progress-pct {
    font-size: 16px;
  }

  .step {
    font-size: 18px;
    gap: 14px;
  }

  .step__icon {
    width: 24px;
    height: 24px;
  }

  .info-box__primary,
  .info-box__notice {
    font-size: 15px;
  }

  .success-banner {
    padding: 22px 22px;
  }

  .success-banner__headline {
    font-size: 28px;
  }

  .success-banner__reduction {
    font-size: 18px;
  }

  .seo-warning__original,
  .seo-warning__suggestion {
    font-size: 15px;
  }

  .before-after__label {
    font-size: 20px;
    margin-bottom: 14px;
  }

  .before-after__slider-wrap {
    height: 320px;
  }

  .ba-badge {
    font-size: 13px;
    padding: 7px 10px;
    border-radius: 8px;
  }

  .download-row {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .btn--download,
  .btn--compress-another,
  .btn--disabled {
    font-size: 18px;
    padding: 16px 18px;
    min-height: 56px;
  }
}

/*Desktop Centering*/

@media (min-width: 1200px) {
  .app-card {
    max-width: 980px;
  }

  .app-content {
    padding: 0 36px 40px;
  }

  .hero__title {
    font-size: 48px;
  }

  .hero__subtitle {
    font-size: 24px;
  }

  .dropzone {
    padding: 52px 36px 36px;
  }

  .dropzone__title {
    font-size: 38px;
  }

  .before-after__slider-wrap {
    height: 380px;
  }
}

@media (max-width: 575px) {
  #custom-size-box {
    grid-template-columns: 1fr;
  }
}


/* =========================
   CONTENT SECTION
========================= */

.content-section {
  padding: 50px 20px 70px;
}

.content-container {
  max-width: 820px;
  margin: 0 auto;
  background: #fff;
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,.06);
}

.content-container h2 {
  font-size: 28px;
  margin-top: 40px;
  margin-bottom: 16px;
  color: #111827;
  line-height: 1.3;
}

.content-container h2:first-child {
  margin-top: 0;
}

.content-container h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: #1f2937;
}

.content-container p {
  font-size: 17px;
  line-height: 1.9;
  color: #4b5563;
  margin-bottom: 18px;
}

.content-container ul {
  padding-left: 22px;
  margin: 18px 0;
}

.content-container li {
  margin-bottom: 10px;
  line-height: 1.8;
  color: #4b5563;
  list-style: disc;
}

.size-table {
  margin: 25px 0;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  overflow: hidden;
}

.size-table div {
  display: flex;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid #e5e7eb;
}

.size-table div:last-child {
  border-bottom: 0;
}

.highlight-box {
  background: #eef4ff;
  border-left: 4px solid #3b5bdb;
  padding: 18px;
  border-radius: 12px;
  font-weight: 600;
  margin: 20px 0;
}

.example-box {
  background: #f8fafc;
  padding: 20px;
  border-radius: 12px;
  margin-top: 20px;
}

.faq-item {
  margin-top: 25px;
  padding-top: 25px;
  border-top: 1px solid #e5e7eb;
}

@media (max-width: 768px) {

  .content-section {
    padding: 35px 15px 50px;
  }

  .content-container {
    padding: 25px;
  }

  .content-container h2 {
    font-size: 24px;
  }

  .content-container p,
  .content-container li {
    font-size: 16px;
  }

  .size-table div {
    flex-direction: column;
    gap: 4px;
  }
}