/* === Self-hosted Inter Font === */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url(/fonts/inter-latin-ext.woff2) format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400 800;
    font-display: swap;
    src: url(/fonts/inter-latin.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* === Reset & Base === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --bg: #f8f7f4;
    --bg-white: #ffffff;
    --bg-warm: #faf9f6;
    --bg-dark: #1b2a3d;
    --text: #1a1a2e;
    --text-secondary: #4a5568;
    --text-muted: #8896a6;
    --primary: #1a6b4a;
    --primary-dark: #145838;
    --primary-light: #e8f5ee;
    --primary-lighter: #f0faf4;
    --accent: #d4a853;
    --green: #1a6b4a;
    --green-light: #d1fae5;
    --green-bg: #f0faf4;
    --red: #c53030;
    --red-light: #fee2e2;
    --red-bg: #fef2f2;
    --orange: #b7791f;
    --orange-light: #fef3c7;
    --orange-bg: #fffbeb;
    --blue: #2563eb;
    --blue-light: #dbeafe;
    --blue-bg: #eff6ff;
    --border: #e2dfd9;
    --border-light: #f0ede8;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 16px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3 { line-height: 1.25; letter-spacing: -0.02em; color: var(--text); }
h2 { font-size: 32px; font-weight: 800; text-align: center; margin-bottom: 12px; }
a { color: var(--primary); text-decoration: none; }

.section-sub {
    text-align: center;
    color: var(--text-secondary);
    font-size: 17px;
    max-width: 600px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

/* === Button === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    background: var(--primary);
    color: white;
    font-weight: 600;
    font-size: 16px;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}
.btn:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-lg { padding: 18px 40px; font-size: 18px; }
.btn-outline { background: transparent; color: var(--text); border: 2px solid var(--border); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-lighter); }
.btn-white { background: white; color: var(--primary); }
.btn-white:hover { background: var(--primary-light); }

/* === Nav === */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(248,247,244,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-weight: 700; font-size: 18px; color: var(--text); }
.nav-cta {
    padding: 8px 24px; background: var(--primary); color: white;
    border-radius: var(--radius); font-size: 14px; font-weight: 600;
    transition: background 0.2s;
}
.nav-cta:hover { background: var(--primary-dark); }

/* === Hero === */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(180deg, #f0ede8 0%, var(--bg) 100%);
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
}
.hero h1 { font-size: 44px; font-weight: 800; margin-bottom: 20px; text-align: left; }
.hero-sub { font-size: 18px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.hero-sub strong { color: var(--primary); }
.hero .btn { margin-top: 16px; }
.hero-price { margin-top: 14px; font-size: 15px; color: var(--text-muted); }
.hero-price strong { color: var(--text); }

/* Savings card */
.savings-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-lg);
    text-align: center;
    border: 1px solid var(--border);
}
.savings-card-label { font-size: 14px; color: var(--text-muted); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.savings-card-amount { font-size: 64px; font-weight: 800; color: var(--primary); margin: 8px 0 4px; line-height: 1; }
.savings-card-sub { font-size: 15px; color: var(--text-secondary); }
.savings-card-divider { width: 60px; height: 2px; background: var(--border); margin: 24px auto; }
.savings-card-stat { display: flex; align-items: center; justify-content: center; gap: 12px; }
.savings-card-stat-number { font-size: 36px; font-weight: 800; color: var(--red); }
.savings-card-stat-label { font-size: 14px; color: var(--text-secondary); text-align: left; line-height: 1.4; }
.savings-card-source { font-size: 11px; color: var(--text-muted); margin-top: 20px; }

/* === Trust Bar === */
.trust-bar { padding: 28px 0; background: var(--bg-white); border-bottom: 1px solid var(--border); }
.trust-items { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 12px; }
.trust-icon { font-size: 24px; }
.trust-item strong { display: block; font-size: 14px; font-weight: 600; }
.trust-item span { font-size: 13px; color: var(--text-muted); }

/* === Problem === */
.problem { padding: 80px 0; }
.problem-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.problem-card {
    background: var(--bg-white);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.problem-card-icon { font-size: 24px; margin-bottom: 12px; }
.problem-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.problem-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }

/* === Steps === */
.steps { padding: 80px 0; background: var(--bg-white); }
.steps-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 32px; }
.step-card {
    text-align: center;
    padding: 36px 24px;
    background: var(--bg);
    border-radius: var(--radius-lg);
    position: relative;
}
.step-number {
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--primary); color: white;
    font-size: 20px; font-weight: 700;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.step-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }

/* === Upload === */
.upload-section { padding: 80px 0; }
.upload-wrapper { max-width: 640px; margin: 0 auto; }

.upload-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 56px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg-white);
}
.upload-area:hover, .upload-area.drag-over { border-color: var(--primary); background: var(--primary-lighter); }
.upload-icon { font-size: 48px; margin-bottom: 16px; }
.upload-area h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.upload-area p { color: var(--text-secondary); font-size: 16px; margin-bottom: 12px; }
.upload-formats { font-size: 13px; color: var(--text-muted); }

/* File list */
.file-list {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.file-list-header { padding: 16px 20px 8px; font-size: 14px; font-weight: 600; color: var(--text-secondary); }
.file-list-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border-light);
    font-size: 15px;
}
.file-list-icon { font-size: 20px; flex-shrink: 0; }
.file-list-name { font-weight: 500; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list-size { font-size: 13px; color: var(--text-muted); flex-shrink: 0; }
.file-list-remove {
    background: none; border: none; font-size: 20px; color: var(--text-muted);
    cursor: pointer; padding: 0 4px; line-height: 1; transition: color 0.2s;
}
.file-list-remove:hover { color: var(--red); }
.file-list-actions { display: flex; justify-content: space-between; padding: 16px 20px; gap: 12px; align-items: center; }
.file-list-payment-hint { text-align: center; padding: 0 20px 16px; font-size: 13px; color: var(--text-muted); }

.upload-trust { display: flex; justify-content: center; gap: 24px; margin-top: 20px; flex-wrap: wrap; }
.upload-trust span { font-size: 13px; color: var(--text-muted); }

/* Progress / Spinner */
.upload-progress {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
}
.spinner-container { text-align: center; margin-bottom: 36px; }
.spinner {
    width: 56px; height: 56px;
    border: 4px solid var(--border-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.9s linear infinite;
    margin: 0 auto 20px;
}
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-status {
    font-size: 18px; font-weight: 600; color: var(--text);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

.progress-steps-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 28px; }
.progress-step-item {
    display: flex; align-items: center; gap: 12px;
    font-size: 16px; color: var(--text-muted); transition: all 0.3s;
}
.progress-step-item .step-check {
    width: 26px; height: 26px; border-radius: 50%;
    background: var(--border-light); color: transparent;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700; flex-shrink: 0; transition: all 0.3s;
}
.progress-step-item.active { color: var(--text); font-weight: 500; }
.progress-step-item.active .step-check {
    background: var(--primary); color: transparent;
    box-shadow: 0 0 0 3px var(--primary-light);
    animation: spin 1.5s linear infinite;
    border: 3px solid var(--primary-light);
    border-top-color: var(--primary);
    background: transparent;
}
.progress-step-item.done { color: var(--green); }
.progress-step-item.done .step-check {
    background: var(--green); color: white;
    animation: none; border: none;
}

.progress-hint {
    text-align: center; font-size: 14px; color: var(--text-muted);
    padding-top: 20px; border-top: 1px solid var(--border-light);
}

/* === Results === */
.result-preview {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.result-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 28px 32px; background: var(--bg-warm); border-bottom: 1px solid var(--border);
}
.result-score { display: flex; align-items: center; gap: 14px; }
.score-number {
    width: 52px; height: 52px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px; font-weight: 800; color: white;
}
.result-score.bad .score-number { background: var(--red); }
.result-score.warn .score-number { background: var(--orange); }
.result-score.good .score-number { background: var(--green); }
.score-label { font-weight: 600; font-size: 16px; }
.savings-label { font-size: 13px; color: var(--text-secondary); }
.savings-amount { display: block; font-size: 28px; font-weight: 800; color: var(--green); }

.result-meta {
    display: flex; gap: 24px; padding: 14px 32px;
    background: var(--bg-warm); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.result-meta span { font-size: 14px; color: var(--text-secondary); }
.result-summary { padding: 24px 32px; border-bottom: 1px solid var(--border); }
.result-summary p { font-size: 16px; color: var(--text); line-height: 1.7; }

.result-items { padding: 8px; }
.result-item { padding: 20px 24px; border-radius: var(--radius); margin-bottom: 4px; }
.result-item.red { background: var(--red-bg); }
.result-item.orange { background: var(--orange-bg); }
.result-item.blue { background: var(--blue-bg); }
.result-item.green { background: var(--green-bg); }
.result-item-header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.result-tag {
    font-size: 11px; font-weight: 700; padding: 4px 12px;
    border-radius: 100px; text-transform: uppercase;
}
.result-tag.red { background: var(--red-light); color: var(--red); }
.result-tag.orange { background: var(--orange-light); color: var(--orange); }
.result-tag.blue { background: var(--blue-light); color: var(--blue); }
.result-tag.green { background: var(--green-light); color: var(--green); }
.result-betrag { margin-left: auto; font-weight: 600; font-variant-numeric: tabular-nums; font-size: 15px; flex-shrink: 0; }
.result-item p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; }
.result-item-savings { margin-top: 8px; font-size: 14px; font-weight: 600; color: var(--green); }
.result-item-beweis {
    margin-top: 6px; font-size: 13px; color: var(--text-muted);
    font-style: italic; line-height: 1.5;
    padding-left: 12px; border-left: 2px solid var(--border);
}
.result-code {
    font-size: 10px; font-weight: 600; opacity: 0.7; margin-left: 4px;
}
.result-unklar-box {
    padding: 20px 32px; background: var(--blue-bg); border-top: 1px solid var(--border);
}
.result-unklar-box h4 { font-size: 15px; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.result-unklar-box p { font-size: 14px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.6; }
.result-unklar-box ul { margin: 0 0 0 20px; font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

.result-recommendation {
    padding: 20px 32px; background: var(--primary-light);
    font-size: 15px; line-height: 1.7; color: var(--text);
}
.result-actions { padding: 24px 32px; text-align: center; border-top: 1px solid var(--border); }

/* OK items */
.ok-details { margin-top: 4px; }
.ok-summary {
    padding: 14px 24px; font-size: 15px; font-weight: 500; color: var(--text-secondary);
    cursor: pointer; list-style: none; border-radius: var(--radius); transition: background 0.2s;
}
.ok-summary:hover { background: var(--green-bg); }
.ok-summary::marker, .ok-summary::-webkit-details-marker { display: none; }

/* === Letter === */
.letter-section { border-top: 2px solid var(--primary); margin-top: 8px; }
.letter-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 24px 32px; background: var(--primary-light); gap: 16px;
}
.letter-header-left { display: flex; align-items: center; gap: 16px; }
.letter-icon { font-size: 32px; flex-shrink: 0; }
.letter-header h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.letter-header p { font-size: 14px; color: var(--text-secondary); }
.letter-body { padding: 0; }
.letter-text {
    margin: 0; padding: 28px 32px;
    font-family: 'Inter', -apple-system, sans-serif; font-size: 14px;
    line-height: 1.8; color: var(--text);
    white-space: pre-wrap; word-wrap: break-word;
    background: var(--bg-warm); border: none;
    max-height: 500px; overflow-y: auto;
}
.letter-footer { padding: 20px 32px; text-align: center; border-top: 1px solid var(--border); }
.copy-btn.copied { background: var(--green); }
.copy-btn.copied:hover { background: var(--green); }

/* === Checks === */
.checks { padding: 80px 0; background: var(--bg-white); }
.checks-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 800px; margin: 0 auto; }
.check-item {
    display: flex; align-items: flex-start; gap: 14px;
    padding: 18px 20px; border-radius: var(--radius);
    background: var(--bg); transition: background 0.2s;
}
.check-item:hover { background: var(--primary-lighter); }
.check-icon {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; flex-shrink: 0; margin-top: 2px;
}
.check-item strong { font-size: 15px; display: block; margin-bottom: 2px; }
.check-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.5; margin: 0; }

/* === Pricing === */
.pricing { padding: 80px 0; }
.pricing-box {
    display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px;
    background: var(--bg-white); border-radius: var(--radius-lg);
    padding: 48px; border: 1px solid var(--border); box-shadow: var(--shadow-md);
    align-items: center;
}
.pricing-left h2 { text-align: left; font-size: 28px; margin-bottom: 12px; }
.pricing-left > p { color: var(--text-secondary); font-size: 16px; margin-bottom: 24px; }
.pricing-left ul { list-style: none; margin-bottom: 28px; }
.pricing-left li { font-size: 15px; padding: 6px 0; color: var(--text-secondary); }

.pricing-comparison { display: flex; flex-direction: column; gap: 12px; }
.pricing-compare-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px; border-radius: var(--radius);
    background: var(--bg); border: 1px solid var(--border-light);
}
.pricing-compare-item.highlight {
    background: var(--primary-light); border-color: var(--primary);
}
.compare-label { font-weight: 600; font-size: 15px; }
.compare-price { font-size: 15px; color: var(--text-secondary); }
.pricing-compare-item.highlight .compare-label { color: var(--primary); }
.pricing-compare-item.highlight .compare-price { color: var(--primary); font-weight: 700; }

/* === FAQ === */
.faq { padding: 80px 0; background: var(--bg-white); }
.faq-list { max-width: 680px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
    padding: 20px 0; font-size: 17px; font-weight: 600; cursor: pointer;
    list-style: none; display: flex; align-items: center; justify-content: space-between;
}
.faq-item summary::after { content: '+'; font-size: 24px; color: var(--text-muted); font-weight: 400; }
.faq-item[open] summary::after { content: '\2212'; }
.faq-item p { padding-bottom: 20px; font-size: 16px; color: var(--text-secondary); line-height: 1.7; }

/* === Final CTA === */
.final-cta {
    padding: 80px 0; background: var(--bg-dark); text-align: center; color: white;
}
.final-cta h2 { font-size: 32px; font-weight: 800; color: white; margin-bottom: 16px; }
.final-cta p { color: rgba(255,255,255,0.65); font-size: 18px; margin-bottom: 32px; max-width: 520px; margin-left: auto; margin-right: auto; }

/* === Footer === */
.footer { padding: 40px 0; border-top: 1px solid var(--border); }
.footer-inner { text-align: center; }
.footer-logo { font-weight: 700; font-size: 16px; display: block; margin-bottom: 6px; }
.footer p { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.footer-links { display: flex; justify-content: center; gap: 24px; }
.footer-links a { font-size: 13px; color: var(--text-muted); }
.footer-links a:hover { color: var(--text); }

/* === Legal Pages === */
.legal-page {
    padding: 120px 0 80px;
}
.legal-page h1 {
    font-size: 36px; font-weight: 800; margin-bottom: 8px; text-align: left;
}
.legal-subtitle {
    font-size: 14px; color: var(--text-muted); margin-bottom: 40px;
}
.legal-page h2 {
    font-size: 20px; font-weight: 700; text-align: left;
    margin-top: 36px; margin-bottom: 12px; color: var(--text);
}
.legal-page h3 {
    font-size: 17px; font-weight: 600; text-align: left;
    margin-top: 24px; margin-bottom: 8px;
}
.legal-page p {
    font-size: 15px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 12px;
}
.legal-page ul {
    margin: 8px 0 16px 20px; color: var(--text-secondary); font-size: 15px; line-height: 1.8;
}
.legal-page a { text-decoration: underline; }

/* === Email Field === */
.file-list-email {
    padding: 16px 20px 0;
}
.email-label {
    display: block; font-size: 14px; font-weight: 600; color: var(--text);
    margin-bottom: 8px;
}
.email-input {
    width: 100%; padding: 12px 16px;
    border: 2px solid var(--border); border-radius: var(--radius);
    font-size: 16px; font-family: inherit; color: var(--text);
    background: var(--bg); transition: border-color 0.2s;
}
.email-input:focus {
    outline: none; border-color: var(--primary); background: white;
}
.email-input::placeholder { color: var(--text-muted); }
.email-hint {
    display: block; font-size: 13px; color: var(--text-muted); margin-top: 6px;
}

/* === Consent Checkbox === */
.file-list-consent {
    padding: 16px 20px 0;
}
.consent-label {
    display: flex; align-items: flex-start; gap: 10px;
    font-size: 13px; color: var(--text-secondary); line-height: 1.6;
    cursor: pointer;
}
.consent-label input[type="checkbox"] {
    margin-top: 3px; flex-shrink: 0;
    width: 18px; height: 18px; accent-color: var(--primary);
    cursor: pointer;
}
.consent-label a {
    color: var(--primary); text-decoration: underline;
}

#startAnalysisBtn:disabled {
    opacity: 0.5; cursor: not-allowed;
}
#startAnalysisBtn:disabled:hover {
    transform: none; box-shadow: none; background: var(--primary);
}

/* === Intent Links === */
.intent-links {
    padding: 70px 0;
    background: var(--bg-white);
}
.intent-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.intent-link-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-warm);
    transition: all 0.2s;
}
.intent-link-card strong {
    color: var(--text);
    font-size: 16px;
}
.intent-link-card span {
    color: var(--text-secondary);
    font-size: 14px;
}
.intent-link-card:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* === Sources === */
.source-notes {
    padding: 64px 0;
}
.source-notes ul {
    margin: 8px 0 12px 20px;
    color: var(--text-secondary);
}
.source-notes li {
    margin-bottom: 8px;
}
.source-notes p {
    color: var(--text-muted);
    font-size: 14px;
}

/* === Responsive === */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
    .hero h1 { font-size: 32px; text-align: center; }
    .hero-sub { text-align: center; }
    .savings-card { max-width: 360px; margin: 0 auto; }
    .problem-cards { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .checks-grid { grid-template-columns: 1fr; }
    .pricing-box { grid-template-columns: 1fr; gap: 32px; padding: 32px; }
    .pricing-left h2 { text-align: center; }
    .intent-links-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
    body { font-size: 15px; }
    h2 { font-size: 26px; }
    .hero { padding: 100px 0 60px; }
    .hero h1 { font-size: 28px; }
    .section-sub { font-size: 15px; }
    .trust-items { flex-direction: column; align-items: center; gap: 16px; }
    .result-header { flex-direction: column; gap: 16px; text-align: center; }
    .letter-header { flex-direction: column; text-align: center; }
    .letter-header-left { flex-direction: column; }
    .letter-text { padding: 20px 16px; font-size: 13px; }
    .result-betrag { margin-left: 0; }
    .file-list-actions { flex-direction: column; }
    .upload-area { padding: 40px 24px; }
    .final-cta h2 { font-size: 26px; }
    .pricing-box { padding: 24px; }
}

/* === Blog === */
.blog-list { display: grid; gap: 20px; max-width: 700px; margin: 0 auto; }
.blog-card {
    background: var(--bg-white); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 28px; transition: box-shadow 0.2s;
}
.blog-card:hover { box-shadow: var(--shadow-md); }
.blog-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.blog-card h3 a { color: var(--text); }
.blog-card h3 a:hover { color: var(--primary); }
.blog-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.blog-card .read-more { font-size: 14px; font-weight: 600; color: var(--primary); }

/* === Reminder Opt-in === */
.reminder-optin {
    padding: 20px 32px; background: var(--bg-warm);
    border-top: 1px solid var(--border); text-align: center;
}
.reminder-optin p { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.reminder-optin label { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text); cursor: pointer; }
.reminder-optin input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); cursor: pointer; }
.reminder-optin .reminder-success { color: var(--green); font-weight: 600; font-size: 14px; }

/* === PDF Download === */
.result-download-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; background: var(--primary); color: white;
    border: none; border-radius: var(--radius); font-size: 15px;
    font-weight: 600; cursor: pointer; transition: all 0.2s;
    text-decoration: none; margin-right: 12px;
}
.result-download-btn:hover { background: var(--primary-dark); transform: translateY(-1px); }