/* StitchCraft — Demon Slayer Manga Palette */
/* Tanjiro green + Nezuko pink/red + Zenitsu gold + deep black */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700;900&family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Demon Slayer Palette */
    --tanjiro-green: #2B5F3F;
    --tanjiro-green-dark: #1B3D2A;
    --tanjiro-green-light: #3A7D54;
    --nezuko-pink: #E8467C;
    --nezuko-red: #C41E3A;
    --zenitsu-gold: #F0A500;
    --zenitsu-gold-light: #FFD166;
    --rengoku-orange: #E86A33;
    --inosuke-blue: #3A86B5;
    --night-black: #0D0D0D;
    --night-deep: #141418;
    --night-surface: #1C1C24;
    --night-card: #222230;

    /* Functional */
    --primary: var(--tanjiro-green);
    --primary-dark: var(--tanjiro-green-dark);
    --primary-light: #E8F5EC;
    --accent: var(--nezuko-pink);
    --accent-secondary: var(--zenitsu-gold);
    --bg: #FAFAF8;
    --bg-dark: var(--night-black);
    --bg-pattern: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h20v20H0zM20 20h20v20H20z' fill='%232B5F3F' fill-opacity='0.04'/%3E%3C/svg%3E");
    --surface: #FFFFFF;
    --surface-alt: #F5F7F5;
    --text: #1A1A1A;
    --text-secondary: #5A5A5A;
    --text-light: #8A8A8A;
    --text-on-dark: #F0F0F0;
    --border: #E0E0E0;
    --border-accent: var(--tanjiro-green);
    --success: #2B5F3F;
    --error: #C41E3A;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 40px rgba(43,95,63,0.15);
    --shadow-xl: 0 20px 60px rgba(43,95,63,0.2);
    --shadow-glow: 0 0 30px rgba(232,70,124,0.2);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Inter', 'Noto Sans JP', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: var(--night-black);
    border-bottom: 3px solid var(--tanjiro-green);
    z-index: 100;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: white;
}

.logo-icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--tanjiro-green) 0%, var(--nezuko-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, var(--zenitsu-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav { display: flex; gap: 28px; align-items: center; }
.nav a {
    text-decoration: none;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}
.nav a:hover { color: var(--zenitsu-gold); }
.nav a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--nezuko-pink);
    transition: width var(--transition);
}
.nav a:hover::after { width: 100%; }

/* === HERO === */
.hero {
    padding: 100px 0 60px;
    background: var(--night-black);
    background-image: var(--bg-pattern);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -30%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(43,95,63,0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%; left: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(232,70,124,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(43,95,63,0.2);
    color: var(--zenitsu-gold);
    font-size: 13px;
    font-weight: 700;
    padding: 8px 20px;
    border-radius: 100px;
    border: 1px solid rgba(43,95,63,0.4);
    margin-bottom: 28px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h1 {
    font-size: 52px;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, var(--tanjiro-green-light) 0%, var(--zenitsu-gold) 50%, var(--nezuko-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.65);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

/* Stats */
.stats-row {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-bottom: 48px;
}

.stat { text-align: center; }
.stat-value {
    display: block;
    font-size: 36px;
    font-weight: 900;
    color: var(--zenitsu-gold);
}
.stat-label {
    font-size: 12px;
    color: rgba(255,255,255,0.5);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* === UPLOAD ZONE === */
.upload-zone {
    background: var(--night-surface);
    border: 2px dashed rgba(43,95,63,0.5);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(43,95,63,0.05), rgba(232,70,124,0.05));
    opacity: 0;
    transition: opacity var(--transition);
}

.upload-zone:hover::before,
.upload-zone.drag-over::before { opacity: 1; }

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--nezuko-pink);
    box-shadow: var(--shadow-glow);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--tanjiro-green-light), var(--nezuko-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.upload-zone h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.upload-zone p {
    color: rgba(255,255,255,0.5);
    font-size: 14px;
}

.format-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.tag {
    background: rgba(43,95,63,0.2);
    color: var(--tanjiro-green-light);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 100px;
    border: 1px solid rgba(43,95,63,0.3);
}

.upload-hint {
    margin-top: 16px;
    font-size: 12px !important;
    color: rgba(255,255,255,0.3) !important;
}

/* === SETTINGS PANEL === */
.settings-panel {
    background: var(--night-surface);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-top: 32px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    border: 1px solid rgba(43,95,63,0.2);
    text-align: left;
}

.settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.preview-box {
    background: var(--night-card);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    border: 1px solid rgba(255,255,255,0.05);
}

.preview-box img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
}

.file-info {
    margin-top: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
    text-align: center;
}

.controls-col h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--zenitsu-gold);
}

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: rgba(255,255,255,0.6);
    margin-bottom: 6px;
}

.form-group select,
.form-group input[type="number"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: var(--night-card);
    color: white;
    transition: border-color var(--transition);
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--nezuko-pink);
    box-shadow: 0 0 0 3px rgba(232,70,124,0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.form-group input[type="range"] {
    width: 100%;
    accent-color: var(--nezuko-pink);
}

.range-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--nezuko-pink);
}

.format-checkboxes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
    color: rgba(255,255,255,0.7);
}

.checkbox-label input { accent-color: var(--tanjiro-green); }

/* === BUTTONS === */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--tanjiro-green) 0%, var(--tanjiro-green-dark) 100%);
    color: white;
    border: none;
    padding: 14px 32px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--nezuko-pink) 0%, var(--rengoku-orange) 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary span,
.btn-primary { position: relative; z-index: 1; }

.btn-primary:hover {
    box-shadow: 0 8px 30px rgba(232,70,124,0.3);
    transform: translateY(-2px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--tanjiro-green), var(--tanjiro-green-dark));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
    margin-top: 16px;
}

.btn-secondary:hover { opacity: 0.9; }

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--nezuko-pink);
    border: 2px solid var(--nezuko-pink);
    padding: 12px 24px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition);
    width: 100%;
    margin-top: 12px;
}

.btn-outline:hover {
    background: rgba(232,70,124,0.1);
}

.btn-large {
    padding: 18px 48px;
    font-size: 18px;
    width: auto;
    background: linear-gradient(135deg, var(--nezuko-pink) 0%, var(--rengoku-orange) 100%);
}

.btn-large:hover {
    box-shadow: 0 8px 30px rgba(232,70,124,0.4);
}

/* === PROCESSING === */
.processing {
    padding: 80px 0;
    text-align: center;
}

.spinner {
    width: 48px; height: 48px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: var(--nezuko-pink);
    border-right-color: var(--tanjiro-green-light);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 24px;
}

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

.processing h3 { font-size: 20px; margin-bottom: 8px; color: white; }
.processing p { color: rgba(255,255,255,0.5); }

/* === RESULTS === */
.results {
    background: var(--night-surface);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-top: 32px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    border: 1px solid rgba(43,95,63,0.2);
    text-align: left;
}

.results-header {
    text-align: center;
    margin-bottom: 24px;
}

.results-header h3 {
    font-size: 24px;
    color: var(--tanjiro-green-light);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.result-preview h4,
.result-info h4 {
    font-size: 16px;
    margin-bottom: 12px;
    color: var(--zenitsu-gold);
}

.svg-preview {
    background: var(--night-card);
    border-radius: var(--radius);
    padding: 16px;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255,255,255,0.05);
}

.svg-preview svg,
.svg-preview img {
    max-width: 100%;
    max-height: 400px;
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 24px;
}

.info-item {
    background: var(--night-card);
    padding: 10px 14px;
    border-radius: 8px;
    border-left: 3px solid var(--tanjiro-green);
}

.info-item .label {
    font-size: 11px;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item .value {
    font-size: 16px;
    font-weight: 700;
    color: white;
}

.color-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}

.color-chip {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--night-card);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

.color-dot {
    width: 14px; height: 14px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
}

.download-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 8px;
}

.download-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--night-card);
    padding: 10px 14px;
    border-radius: 8px;
}

.download-item .format-name {
    font-weight: 600;
    font-size: 14px;
    color: white;
}

.download-item .file-size {
    color: rgba(255,255,255,0.4);
    font-size: 12px;
}

.download-item a {
    color: var(--nezuko-pink);
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
}

.download-item a:hover { text-decoration: underline; color: var(--zenitsu-gold); }

/* === FEATURES === */
.features {
    padding: 100px 0;
    background: var(--surface);
    background-image: var(--bg-pattern);
    position: relative;
}

.features h2,
.how-it-works h2,
.formats-section h2,
.faq h2,
.cta h2 {
    font-size: 36px;
    font-weight: 900;
    text-align: center;
    letter-spacing: -0.5px;
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    margin-bottom: 56px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--tanjiro-green), var(--nezuko-pink));
    transform: scaleX(0);
    transition: transform var(--transition);
    transform-origin: left;
}

.feature-card:hover::before { transform: scaleX(1); }

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--tanjiro-green);
}

.feature-icon {
    font-size: 14px;
    font-weight: 800;
    margin-bottom: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--tanjiro-green), var(--tanjiro-green-dark));
    color: white;
    border-radius: 12px;
}

.feature-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--night-black);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* === HOW IT WORKS === */
.how-it-works {
    padding: 100px 0;
    background: var(--night-black);
    color: white;
    position: relative;
}

.how-it-works h2 { color: white; }
.how-it-works .section-subtitle { color: rgba(255,255,255,0.5); }

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px; height: 60px;
    font-size: 24px;
    font-weight: 900;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    position: relative;
}

.step:nth-child(1) .step-number {
    background: linear-gradient(135deg, var(--tanjiro-green), var(--tanjiro-green-dark));
    color: white;
    box-shadow: 0 8px 20px rgba(43,95,63,0.4);
}

.step:nth-child(2) .step-number {
    background: linear-gradient(135deg, var(--nezuko-pink), var(--nezuko-red));
    color: white;
    box-shadow: 0 8px 20px rgba(232,70,124,0.4);
}

.step:nth-child(3) .step-number {
    background: linear-gradient(135deg, var(--zenitsu-gold), var(--rengoku-orange));
    color: white;
    box-shadow: 0 8px 20px rgba(240,165,0,0.4);
}

.step:nth-child(4) .step-number {
    background: linear-gradient(135deg, var(--inosuke-blue), #2563EB);
    color: white;
    box-shadow: 0 8px 20px rgba(58,134,181,0.4);
}

.step h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: white;
}

.step p { color: rgba(255,255,255,0.5); font-size: 14px; }

/* === FORMATS === */
.formats-section {
    padding: 100px 0;
    background: var(--surface);
}

.formats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.format-card {
    background: white;
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: all var(--transition);
    border: 1px solid var(--border);
}

.format-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
    border-color: var(--tanjiro-green);
}

.format-card h4 {
    font-size: 22px;
    font-weight: 900;
    margin-bottom: 4px;
    background: linear-gradient(135deg, var(--tanjiro-green), var(--nezuko-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.format-card p { color: var(--text-secondary); font-size: 13px; }

.brands-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    font-size: 14px;
    font-weight: 600;
}

.brands-row span {
    color: var(--text-light);
    padding: 8px 16px;
    border-radius: 100px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.brands-row span:hover {
    color: var(--tanjiro-green);
    border-color: var(--tanjiro-green);
    background: var(--primary-light);
}

/* === FAQ === */
.faq { padding: 100px 0; background: var(--surface-alt); }

.faq-list { max-width: 700px; margin: 0 auto; }

.faq-item {
    border-bottom: 1px solid var(--border);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border: none;
    background: none;
    font-size: 16px;
    font-weight: 600;
    font-family: inherit;
    color: var(--text);
    cursor: pointer;
    text-align: left;
}

.faq-icon {
    font-size: 24px;
    color: var(--nezuko-pink);
    transition: transform var(--transition);
    font-weight: 300;
}

.faq-item.open .faq-icon { transform: rotate(45deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer p {
    padding-bottom: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* === CTA === */
.cta {
    padding: 100px 0;
    background: var(--night-black);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(43,95,63,0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(232,70,124,0.1) 0%, transparent 60%);
    pointer-events: none;
}

.cta > .container { position: relative; z-index: 2; }

.cta h2 { color: white; font-size: 40px; }
.cta p {
    color: rgba(255,255,255,0.6);
    margin-bottom: 36px;
    font-size: 18px;
}

/* === FOOTER === */
.footer {
    padding: 48px 0 24px;
    background: var(--night-deep);
    border-top: 3px solid var(--tanjiro-green);
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 32px;
}

.footer-brand .logo-icon,
.footer-brand .logo-text {
    display: inline;
}

.footer-brand p {
    color: rgba(255,255,255,0.4);
    font-size: 13px;
    margin-top: 8px;
    max-width: 300px;
}

.footer-links { display: flex; gap: 24px; }

.footer-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
}

.footer-links a:hover { color: var(--zenitsu-gold); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 16px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.3);
    font-size: 13px;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .nav { display: none; }
    h1 { font-size: 32px; }
    .hero-subtitle { font-size: 16px; }
    .stats-row { gap: 24px; }
    .stat-value { font-size: 24px; }
    .settings-grid { grid-template-columns: 1fr; }
    .results-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr 1fr; }
    .formats-grid { grid-template-columns: 1fr 1fr; }
    .upload-zone { padding: 40px 20px; }
    .footer-inner { flex-direction: column; gap: 24px; }
    .footer-links { flex-direction: column; gap: 12px; }
}

/* === DAMIER PATTERN (Tanjiro checkered) for accents === */
.badge::before {
    content: '⚔';
    font-size: 14px;
}