:root {
  --ink: #17191d;
  --muted: #5c616b;
  --faint: #858b95;
  --line: #d8dbe0;
  --line-dark: #b8bdc6;
  --surface: #f7f8fa;
  --blue: #1457d9;
  --blue-dark: #0f45ad;
  --blue-soft: #eef4ff;
  --success: #137547;
  --danger: #b42318;
  --content: 1160px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  text-rendering: optimizeLegibility;
}

button,
input,
select {
  font: inherit;
}

button,
label,
input[type="radio"],
input[type="checkbox"] {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--blue);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--blue-dark);
}

img {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 14px;
  color: #fff;
  background: var(--blue);
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.98);
}

.header-inner {
  width: min(calc(100% - 40px), var(--content));
  min-height: 64px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  color: var(--ink);
  text-decoration: none;
  font-size: 22px;
  font-weight: 750;
  letter-spacing: -0.035em;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 550;
  text-decoration: none;
}

.main-nav a[aria-current="page"],
.main-nav a:hover {
  color: var(--blue);
}

.menu-button {
  display: none;
  min-height: 38px;
  padding: 6px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
}

main {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
}

.hero {
  padding: 44px 0 24px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 780px;
  margin-bottom: 10px;
  font-size: clamp(32px, 4vw, 46px);
  font-weight: 760;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(23px, 3vw, 30px);
  font-weight: 720;
}

h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.hero > p:not(.eyebrow) {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.resizer-shell {
  width: min(1480px, calc(100vw - 40px));
  margin-left: 50%;
  margin-bottom: 18px;
  transform: translateX(-50%);
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  background: #fff;
}

.upload-panel {
  min-height: 370px;
  padding: 38px;
  display: grid;
  place-items: center;
}

.drop-zone {
  width: min(100%, 680px);
  min-height: 260px;
  padding: 42px 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px dashed #aab0ba;
  border-radius: 4px;
  background: #fff;
  cursor: pointer;
}

.drop-zone:hover,
.drop-zone.is-dragging,
.drop-zone:focus-within {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.upload-icon {
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--blue);
  font-size: 24px;
  line-height: 1;
}

.drop-zone strong {
  font-size: 20px;
}

.drop-zone p {
  margin: 5px 0 18px;
  color: var(--muted);
}

.file-button,
.primary-button,
.download-button {
  min-height: 44px;
  border: 1px solid var(--blue);
  border-radius: 4px;
  color: #fff;
  background: var(--blue);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.file-button {
  padding: 9px 20px;
}

.primary-button,
.download-button {
  width: 100%;
  padding: 10px 18px;
  text-align: center;
}

.file-button:hover,
.primary-button:hover,
.download-button:hover {
  color: #fff;
  border-color: var(--blue-dark);
  background: var(--blue-dark);
}

.file-button input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.format-note {
  margin-top: 15px !important;
  color: var(--faint) !important;
  font-size: 13px;
}

.editor-panel {
  display: grid;
  grid-template-columns: minmax(380px, 1.2fr) minmax(360px, 0.9fr) 250px;
}

.preview-column {
  min-width: 0;
  padding: 20px;
  border-right: 1px solid var(--line);
}

.image-stage {
  min-height: 340px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: #f1f3f5;
  background-image: linear-gradient(45deg, #e8eaed 25%, transparent 25%), linear-gradient(-45deg, #e8eaed 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e8eaed 75%), linear-gradient(-45deg, transparent 75%, #e8eaed 75%);
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  background-size: 16px 16px;
}

.image-stage img {
  width: 100%;
  max-height: 470px;
  display: block;
  object-fit: contain;
}

.image-stage.crop-active,
.image-stage.fit-active {
  min-height: 0;
  max-height: 470px;
  margin: 0 auto;
}

.image-stage.crop-active img,
.image-stage.fit-active img {
  height: 100%;
}

.image-stage.crop-active img {
  object-fit: cover;
}

.image-stage.fit-active img {
  object-fit: contain;
}

.image-meta {
  margin: 14px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  color: var(--muted);
  font-size: 14px;
}

.image-meta span + span {
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.controls-column {
  padding: 22px;
  border-right: 1px solid var(--line);
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.field-label,
.control-group legend {
  margin-bottom: 7px;
  display: block;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.field-label input[type="number"],
.quality-output {
  width: 100%;
  min-height: 42px;
  margin-top: 7px;
  padding: 8px 10px;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  color: var(--ink);
  background: #fff;
}

.check-row {
  margin: 14px 0 16px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 14px;
}

.check-row input,
.format-options input {
  accent-color: var(--blue);
}

.check-row input:disabled + span,
.check-row:has(input:disabled) {
  color: var(--faint);
}

.crop-section {
  margin: 0 0 18px;
  padding: 14px 0 18px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fit-section {
  min-width: 0;
  margin: 0 0 16px;
  padding: 16px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.fit-section legend {
  margin-bottom: 10px;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
}

.fit-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.fit-options label {
  min-width: 0;
  min-height: 68px;
  padding: 10px;
  display: flex;
  align-items: flex-start;
  gap: 7px;
  border: 1px solid var(--line-dark);
  cursor: pointer;
}

.fit-options label + label {
  margin-left: -1px;
}

.fit-options label:has(input:checked) {
  position: relative;
  z-index: 1;
  color: var(--blue);
  border-color: var(--blue);
  background: var(--blue-soft);
}

.fit-options input {
  margin-top: 3px;
  accent-color: var(--blue);
}

.fit-options strong,
.fit-options small {
  display: block;
}

.fit-options strong {
  font-size: 13px;
}

.fit-options small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
}

.crop-check {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
}

.control-help,
.section-intro {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.crop-controls {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.crop-position-grid {
  width: 106px;
  margin: 4px 0 16px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
}

.crop-position-grid button {
  width: 32px;
  height: 28px;
  position: relative;
  border: 1px solid var(--line-dark);
  border-radius: 2px;
  background: #fff;
  cursor: pointer;
}

.crop-position-grid button::after {
  content: "";
  width: 6px;
  height: 6px;
  position: absolute;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  background: var(--faint);
  transform: translate(-50%, -50%);
}

.crop-position-grid button:hover,
.crop-position-grid button.is-active {
  border-color: var(--blue);
  background: var(--blue-soft);
}

.crop-position-grid button.is-active::after {
  background: var(--blue);
}

.crop-slider-label {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 130px 1fr;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.crop-slider-label input {
  width: 100%;
  accent-color: var(--blue);
}

.percentage-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 20px;
}

.percentage-buttons button {
  min-height: 40px;
  margin-left: -1px;
  border: 1px solid var(--line-dark);
  border-radius: 0;
  color: var(--ink);
  background: #fff;
  cursor: pointer;
}

.percentage-buttons button:first-child {
  margin-left: 0;
  border-radius: 3px 0 0 3px;
}

.percentage-buttons button:last-child {
  border-radius: 0 3px 3px 0;
}

.percentage-buttons button:hover,
.percentage-buttons button.is-active {
  position: relative;
  z-index: 1;
  color: var(--blue);
  border-color: var(--blue);
  background: var(--blue-soft);
}

.control-group {
  min-width: 0;
  margin: 0 0 20px;
  padding: 18px 0 0;
  border: 0;
  border-top: 1px solid var(--line);
}

.format-options {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
}

.format-options label {
  display: flex;
  align-items: center;
  gap: 7px;
}

.quality-row {
  display: grid;
  grid-template-columns: 1fr 62px;
  align-items: center;
  gap: 14px;
}

.quality-row input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
}

.quality-output {
  min-height: 36px;
  margin: 0;
  padding: 5px;
  text-align: center;
}

.secondary-actions {
  margin-top: 12px;
  display: flex;
  justify-content: center;
  gap: 26px;
}

.text-button {
  padding: 6px;
  border: 0;
  color: var(--blue);
  background: transparent;
  font-weight: 650;
  cursor: pointer;
}

.text-button:hover {
  color: var(--blue-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.privacy-note {
  margin: 0 0 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: var(--muted);
  font-size: 14px;
}

.result-panel {
  margin: 0 0 34px;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(180px, 0.65fr) 1fr;
  gap: 24px;
  border: 1px solid var(--line-dark);
  border-radius: 6px;
}

.result-panel img {
  width: 100%;
  max-height: 260px;
  object-fit: contain;
  background: var(--surface);
}

.result-content {
  align-self: center;
}

.result-content h2 {
  margin-bottom: 8px;
}

.result-stats {
  margin: 0 0 18px;
  color: var(--muted);
}

.tool-message {
  margin: 12px 0 0;
  color: var(--danger);
  font-size: 14px;
}

.section {
  padding: 48px 0;
  border-top: 1px solid var(--line);
}

.section.compact {
  padding: 34px 0;
}

.section-heading-row {
  margin-bottom: 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.section-heading-row h2 {
  margin-bottom: 0;
}

.size-links {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
}

.size-links a {
  min-width: 175px;
  padding: 14px 26px 14px 0;
  flex: 1;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  font-weight: 650;
}

.ratio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.ratio-card {
  min-height: 112px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
  border: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
  cursor: pointer;
}

.ratio-card:hover,
.ratio-card:focus-visible {
  position: relative;
  z-index: 1;
  background: var(--blue-soft);
  outline: 1px solid var(--blue);
  outline-offset: -1px;
}

.ratio-shape {
  width: var(--shape-width);
  height: var(--shape-height);
  display: block;
  flex: 0 0 auto;
  border: 2px solid var(--blue);
  background: #fff;
}

.ratio-card strong,
.ratio-card small {
  display: block;
}

.ratio-rail {
  min-width: 0;
  background: #fff;
}

.ratio-rail-header {
  padding: 16px 14px 13px;
  border-bottom: 1px solid var(--line);
}

.ratio-rail-header h2 {
  margin: 0 0 3px;
  font-size: 18px;
  letter-spacing: -0.015em;
}

.ratio-rail-header p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.ratio-rail-grid {
  display: grid;
  grid-template-columns: 1fr;
}

.ratio-rail .ratio-card {
  min-height: 49px;
  padding: 6px 11px;
  gap: 10px;
  border-right: 0;
}

.ratio-rail .ratio-card strong {
  font-size: 14px;
}

.ratio-rail .ratio-card small {
  margin-top: 1px;
  font-size: 10px;
}

.ratio-rail .ratio-shape {
  border-width: 1.5px;
}

.ratio-rail-link {
  padding: 12px 14px;
  display: block;
  border-top: 1px solid var(--line);
  font-size: 12px;
  font-weight: 650;
  text-decoration: none;
}

.ratio-card strong {
  font-size: 18px;
}

.ratio-card small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.modal-open {
  overflow: hidden;
}

.ratio-modal,
.export-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
}

.export-dialog {
  width: min(100%, 500px);
}

.export-field {
  margin-top: 18px;
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.export-field input[type="text"],
.export-field select {
  width: 100%;
  min-height: 44px;
  padding: 9px 11px;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  color: var(--ink);
  background: #fff;
  font-weight: 400;
}

.export-range {
  display: grid;
  grid-template-columns: 1fr 48px;
  align-items: center;
  gap: 12px;
}

.export-range input {
  width: 100%;
  accent-color: var(--blue);
}

.export-range output {
  text-align: right;
  font-weight: 400;
}

.export-dialog-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

.export-dialog-actions .primary-button {
  width: auto;
  min-width: 170px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 23, 29, 0.58);
}

.modal-dialog {
  width: min(100%, 560px);
  max-height: min(720px, calc(100vh - 40px));
  padding: 28px;
  position: relative;
  z-index: 1;
  overflow: auto;
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  background: #fff;
}

.modal-dialog h2 {
  margin-bottom: 8px;
}

.modal-dialog > p:not(.eyebrow) {
  margin-top: 0;
  color: var(--muted);
}

.modal-close {
  width: 38px;
  height: 38px;
  position: absolute;
  right: 18px;
  top: 18px;
  border: 1px solid var(--line-dark);
  border-radius: 3px;
  color: var(--ink);
  background: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.ratio-size-options {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.ratio-size-option {
  width: 100%;
  padding: 15px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
  cursor: pointer;
}

.ratio-size-option:hover {
  color: var(--blue);
  background: var(--blue-soft);
}

.ratio-size-option span {
  color: var(--muted);
  font-size: 13px;
}

.modal-custom {
  margin-top: 14px;
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.steps li {
  min-height: 38px;
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: start;
  gap: 10px;
  counter-increment: steps;
}

.steps li::before {
  content: counter(steps);
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.feature-list,
.plain-list {
  margin: 0;
  padding-left: 20px;
}

.feature-list {
  columns: 2;
  column-gap: 50px;
}

.feature-list li,
.plain-list li {
  margin-bottom: 10px;
  break-inside: avoid;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 64px;
  align-items: start;
}

.article {
  max-width: 760px;
}

.article h2 {
  margin-top: 42px;
  margin-bottom: 14px;
}

.article h3 {
  margin-top: 28px;
}

.article p,
.article li {
  color: #3f444c;
}

.article-intro {
  color: var(--muted);
  font-size: 19px;
}

.side-nav {
  position: sticky;
  top: 24px;
  padding-left: 22px;
  border-left: 2px solid var(--line);
}

.side-nav strong {
  margin-bottom: 10px;
  display: block;
}

.side-nav a {
  margin: 7px 0;
  display: block;
  text-decoration: none;
}

.link-table {
  width: 100%;
  border-collapse: collapse;
}

.link-table th,
.link-table td {
  padding: 12px 14px;
  text-align: left;
  border: 1px solid var(--line);
}

.link-table th {
  background: var(--surface);
}

.faq-list details {
  border-top: 1px solid var(--line);
}

.faq-list details:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  padding: 18px 32px 18px 0;
  position: relative;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  position: absolute;
  right: 3px;
  top: 14px;
  color: var(--blue);
  font-size: 24px;
  font-weight: 400;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  max-width: 820px;
  margin: -4px 0 18px;
  color: var(--muted);
}

.guide-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
}

.guide-link {
  min-height: 124px;
  padding: 20px 28px 20px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.guide-link:nth-child(odd) {
  margin-right: 28px;
}

.guide-link strong,
.guide-link span {
  display: block;
}

.guide-link strong {
  margin-bottom: 5px;
  color: var(--ink);
  font-size: 18px;
}

.guide-link span {
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 26px 0;
  padding: 15px 18px;
  border-left: 3px solid var(--blue);
  background: var(--blue-soft);
  color: #263753;
}

.site-footer {
  margin-top: 56px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer-inner {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 34px 0;
  display: grid;
  grid-template-columns: 1.3fr repeat(3, 1fr);
  gap: 34px;
}

.footer-brand p {
  max-width: 280px;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.footer-group strong {
  margin-bottom: 9px;
  display: block;
  font-size: 14px;
}

.footer-group a {
  margin: 7px 0;
  display: block;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.footer-group a:hover {
  color: var(--blue);
}

.footer-bottom {
  width: min(calc(100% - 40px), var(--content));
  margin: 0 auto;
  padding: 18px 0 26px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 13px;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid rgba(20, 87, 217, 0.28);
  outline-offset: 2px;
}

@media (max-width: 1180px) {
  .editor-panel {
    grid-template-columns: minmax(0, 1fr) 360px;
  }

  .ratio-rail {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
  }

  .ratio-rail-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .ratio-rail .ratio-card {
    min-height: 76px;
    padding: 9px;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    text-align: center;
    border-right: 1px solid var(--line);
  }

  .ratio-rail-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
  }
}

@media (max-width: 860px) {
  .resizer-shell {
    width: auto;
    margin-left: 0;
    transform: none;
  }

  .menu-button {
    display: block;
  }

  .main-nav {
    position: absolute;
    left: 20px;
    right: 20px;
    top: 58px;
    z-index: 10;
    padding: 14px;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    border: 1px solid var(--line-dark);
    background: #fff;
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    padding: 10px;
  }

  .editor-panel,
  .content-grid {
    grid-template-columns: 1fr;
  }

  .preview-column {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .controls-column {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .ratio-rail {
    grid-column: auto;
  }

  .ratio-rail-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .side-nav {
    position: static;
    padding-left: 0;
    border-left: 0;
  }

  .footer-inner {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

  .ratio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .header-inner,
  main,
  .footer-inner,
  .footer-bottom {
    width: min(calc(100% - 28px), var(--content));
  }

  .hero {
    padding-top: 32px;
  }

  .hero > p:not(.eyebrow) {
    font-size: 16px;
  }

  .upload-panel {
    min-height: 330px;
    padding: 14px;
  }

  .drop-zone {
    min-height: 290px;
    padding: 30px 18px;
  }

  .preview-column,
  .controls-column {
    padding: 14px;
  }

  .image-stage {
    min-height: 220px;
  }

  .control-row {
    gap: 10px;
  }

  .fit-options {
    grid-template-columns: 1fr;
  }

  .fit-options label + label {
    margin-top: -1px;
    margin-left: 0;
  }

  .export-dialog-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .export-dialog-actions .primary-button {
    width: 100%;
  }

  .percentage-buttons {
    grid-template-columns: repeat(2, 1fr);
  }

  .percentage-buttons button,
  .percentage-buttons button:first-child,
  .percentage-buttons button:last-child {
    margin: -1px 0 0 -1px;
    border-radius: 0;
  }

  .result-panel,
  .guide-links {
    grid-template-columns: 1fr;
  }

  .guide-link:nth-child(odd) {
    margin-right: 0;
  }

  .feature-list {
    columns: 1;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }

  .ratio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ratio-rail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ratio-card {
    min-height: 104px;
    padding: 12px;
    gap: 10px;
  }

  .modal-dialog {
    padding: 24px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}