/* ========================================
   kundenhotline.ai - Stylesheet
   Warm & Friendly, Emerald/Teal Theme
   ======================================== */

/* --- Variables --- */
:root {
    --emerald-50: #ECFDF5;
    --emerald-100: #D1FAE5;
    --emerald-200: #A7F3D0;
    --emerald-300: #6EE7B7;
    --emerald-400: #34D399;
    --emerald-500: #10B981;
    --emerald-600: #059669;
    --emerald-700: #047857;
    --emerald-800: #065F46;
    --emerald-900: #064E3B;
    --teal-400: #2DD4BF;
    --teal-500: #14B8A6;
    --teal-600: #0D9488;

    --primary: var(--emerald-600);
    --primary-light: var(--emerald-400);
    --primary-dark: var(--emerald-800);
    --primary-bg: var(--emerald-50);
    --gradient: linear-gradient(135deg, var(--emerald-500) 0%, var(--teal-500) 100%);
    --gradient-soft: linear-gradient(135deg, var(--emerald-50) 0%, #F0FDFA 100%);

    --warm-50: #FFFBEB;
    --warm-100: #FEF3C7;
    --warm-amber: #F59E0B;

    --dark: #1A2332;
    --dark-600: #334155;
    --dark-700: #1E293B;
    --gray-50: #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --white: #FFFFFF;
    --red: #EF4444;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0,0,0,0.08), 0 8px 10px -6px rgba(0,0,0,0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.15);
    --shadow-emerald: 0 8px 25px rgba(16, 185, 129, 0.25);

    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
    --font-display: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--dark);
    line-height: 1.6;
    background: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }
img { max-width: 100%; height: auto; }

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 100px;
    font-weight: 700;
    font-size: 0.95rem;
    font-family: var(--font-display);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-emerald);
}

.btn-ghost {
    background: transparent;
    color: var(--primary);
    border-color: var(--emerald-300);
}

.btn-ghost:hover {
    background: var(--primary-bg);
    border-color: var(--primary);
}

.btn-white {
    background: var(--white);
    color: var(--emerald-700);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255,255,255,0.3);
}

.btn-ghost-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.4);
}

.btn-ghost-white:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.7);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-nav {
    padding: 10px 24px;
    background: var(--gradient);
    color: var(--white) !important;
    border-radius: 100px;
    font-size: 0.9rem;
}

.btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-emerald);
}

.btn svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

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

.logo-mark {
    width: 36px;
    height: 36px;
    color: var(--emerald-500);
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--dark);
}

.logo-dot {
    color: var(--emerald-500);
}

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

.nav-links a {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-600);
}

.nav-links a:hover {
    color: var(--primary);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition);
}

/* --- Hero --- */
.hero {
    position: relative;
    padding: 140px 0 100px;
    background: var(--gradient-soft);
    overflow: hidden;
}

.hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
}

.hero-blob-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(16,185,129,0.12) 0%, transparent 70%);
    top: -150px;
    right: -100px;
}

.hero-blob-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(20,184,166,0.1) 0%, transparent 70%);
    bottom: -100px;
    left: -80px;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    color: var(--white);
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 780px;
    margin: 0 auto;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    padding: 8px 20px;
    background: var(--white);
    color: var(--emerald-700);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 28px;
    border: 1px solid var(--emerald-200);
    box-shadow: var(--shadow-sm);
}

.hero h1 {
    font-family: var(--font-display);
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    color: var(--dark);
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--gray-500);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.75;
}

.hero-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.hero-trust-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--dark-600);
}

.trust-item svg {
    color: var(--emerald-500);
    flex-shrink: 0;
}

/* --- Numbers Bar --- */
.numbers-bar {
    padding: 48px 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-100);
}

.numbers-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.number-item {
    text-align: center;
}

.number-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--emerald-600);
}

.number-unit {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--emerald-500);
}

.number-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 4px;
    font-weight: 500;
}

/* --- Sections --- */
.section {
    padding: 90px 0;
}

.section-intro {
    text-align: center;
    max-width: 620px;
    margin: 0 auto 56px;
}

.pill {
    display: inline-block;
    padding: 6px 16px;
    background: var(--emerald-50);
    color: var(--emerald-700);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-intro h2 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 900;
    margin-bottom: 14px;
    color: var(--dark);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.section-intro p {
    font-size: 1.05rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* --- Problem/Solution --- */
.problem-section {
    background: var(--white);
    padding-top: 60px;
    padding-bottom: 60px;
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    max-width: 900px;
    margin: 0 auto;
}

.problem-card,
.solution-card {
    border-radius: var(--radius-lg);
    padding: 36px 32px;
}

.problem-card {
    background: #FEF2F2;
    border: 1px solid #FECACA;
}

.solution-card {
    background: var(--emerald-50);
    border: 1px solid var(--emerald-200);
}

.problem-icon,
.solution-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
}

.problem-icon svg,
.solution-icon svg {
    width: 48px;
    height: 48px;
}

.problem-card h3,
.solution-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.problem-card h3 { color: #991B1B; }
.solution-card h3 { color: var(--emerald-800); }

.problem-list li,
.solution-list li {
    position: relative;
    padding: 6px 0 6px 28px;
    font-size: 0.95rem;
    color: var(--dark-600);
    line-height: 1.6;
}

.problem-list li::before {
    content: "\2717";
    position: absolute;
    left: 0;
    color: var(--red);
    font-weight: 700;
    font-size: 1.1rem;
}

.solution-list li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--emerald-500);
    font-weight: 700;
    font-size: 1.1rem;
}

/* --- Benefits --- */
.benefits {
    background: var(--gray-50);
}

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

.benefit-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--emerald-300);
}

.benefit-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--gradient);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.benefit-icon-wrap svg {
    width: 26px;
    height: 26px;
    color: var(--white);
}

.benefit-card h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* --- How it Works --- */
.how-section {
    background: var(--white);
}

.steps-timeline {
    max-width: 600px;
    margin: 0 auto;
}

.step-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.step-badge {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 900;
}

.step-content h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.step-content p {
    font-size: 0.925rem;
    color: var(--gray-500);
    line-height: 1.65;
}

.step-connector-v {
    width: 2px;
    height: 36px;
    background: var(--emerald-200);
    margin-left: 23px;
    margin-top: 4px;
    margin-bottom: 4px;
}

.steps-cta {
    text-align: center;
    margin-top: 48px;
}

/* --- Target Audience --- */
.target-section {
    background: var(--gradient-soft);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.target-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    text-align: center;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.target-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--emerald-300);
}

.target-emoji {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.target-card h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 800;
    margin-bottom: 6px;
}

.target-card p {
    font-size: 0.85rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* --- Pricing --- */
.pricing-section {
    background: var(--white);
}

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

.pricing-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--emerald-100);
    border-top-color: var(--emerald-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

.pricing-loading p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.price-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    border: 2px solid var(--gray-200);
    position: relative;
    transition: var(--transition);
}

.price-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.price-card-featured {
    border-color: var(--emerald-400);
    box-shadow: 0 0 0 1px var(--emerald-400), var(--shadow-lg);
}

.price-card-featured:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 0 1px var(--emerald-400), var(--shadow-xl);
}

.price-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient);
    color: var(--white);
    padding: 5px 20px;
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 800;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.price-card-header {
    text-align: center;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--gray-100);
}

.price-card-header h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 900;
    margin-bottom: 12px;
}

.price-amount-wrap {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 900;
    color: var(--dark);
}

.price-currency {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
}

.price-period {
    font-size: 0.95rem;
    color: var(--gray-500);
    margin-left: 4px;
}

.price-card-desc {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 8px;
}

.price-features {
    margin-bottom: 28px;
}

.price-features li {
    padding: 7px 0 7px 26px;
    font-size: 0.9rem;
    color: var(--dark-600);
    position: relative;
    line-height: 1.5;
}

.price-features li::before {
    content: "\2713";
    position: absolute;
    left: 0;
    color: var(--emerald-500);
    font-weight: 700;
}

/* --- Comparison --- */
.compare-section {
    background: var(--gray-50);
}

.compare-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--white);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    min-width: 650px;
}

.compare-table thead {
    background: var(--dark);
    color: var(--white);
}

.compare-table th {
    padding: 16px 18px;
    text-align: left;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.85rem;
    white-space: nowrap;
}

.compare-table th.compare-hl {
    background: var(--emerald-600);
}

.compare-table td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--gray-100);
}

.compare-table td.compare-hl {
    background: var(--emerald-50);
    font-weight: 600;
}

.compare-table tbody tr:hover {
    background: var(--gray-50);
}

.compare-table tbody tr:hover td.compare-hl {
    background: var(--emerald-100);
}

.cmp-yes {
    color: var(--emerald-500);
    font-weight: 700;
    font-size: 1.1rem;
}

.cmp-no {
    color: var(--red);
    font-weight: 700;
    font-size: 1.1rem;
}

.cmp-maybe {
    color: var(--warm-amber);
    font-weight: 700;
    font-size: 1.1rem;
}

/* --- FAQ --- */
.faq-section {
    background: var(--white);
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--emerald-300);
}

.faq-item[open] {
    border-color: var(--emerald-400);
    box-shadow: var(--shadow);
}

.faq-item summary {
    padding: 18px 24px;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--dark);
}

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

.faq-item summary::after {
    content: "+";
    font-size: 1.4rem;
    font-weight: 300;
    color: var(--gray-400);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item[open] summary::after {
    content: "\2212";
    color: var(--emerald-500);
}

.faq-item p {
    padding: 0 24px 18px;
    font-size: 0.925rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* --- CTA Section --- */
.cta-section {
    padding: 0 0 90px;
    background: var(--white);
}

.cta-box {
    background: var(--gradient);
    border-radius: var(--radius-xl);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-box h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 12px;
    position: relative;
}

.cta-box > p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
    position: relative;
}

.cta-note {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    position: relative;
}

/* --- Contact --- */
.contact-section {
    background: var(--gray-50);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info h2 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 900;
    margin-bottom: 12px;
}

.contact-info > p {
    font-size: 0.95rem;
    color: var(--gray-500);
    margin-bottom: 28px;
    line-height: 1.7;
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.channel {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    color: var(--dark-600);
}

.channel svg {
    width: 20px;
    height: 20px;
    color: var(--emerald-500);
    flex-shrink: 0;
}

.contact-form-box {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 36px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

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

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

.form-field label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark-600);
    margin-bottom: 6px;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.925rem;
    transition: var(--transition);
    background: var(--white);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--emerald-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-field textarea {
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-check input[type="checkbox"] {
    width: auto;
    margin-top: 4px;
    accent-color: var(--emerald-500);
}

.form-check label {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 0;
}

.form-check a {
    color: var(--emerald-600);
    text-decoration: underline;
}

/* --- Footer --- */
.footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 56px 0 28px;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 36px;
    margin-bottom: 36px;
}

.footer-logo {
    margin-bottom: 12px;
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-logo .logo-mark {
    color: var(--emerald-400);
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.6;
}

.footer-links h4 {
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 800;
    margin-bottom: 14px;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--gray-400);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.8rem;
}

/* --- Quality Configurator --- */
.quality-section {
    background: var(--gradient-soft);
}

.quality-configurator {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 860px;
    margin: 0 auto;
}

.quality-loading {
    text-align: center;
    padding: 60px 0;
}

.quality-loading p {
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* Quality Axis Card */
.quality-axis {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.quality-axis:hover {
    border-color: var(--emerald-300);
    box-shadow: var(--shadow-md);
}

.quality-axis-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.quality-axis-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.quality-axis-icon svg {
    width: 22px;
    height: 22px;
}

.quality-axis-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 2px;
}

.quality-axis-subtitle {
    font-size: 0.82rem;
    color: var(--gray-500);
}

/* Tier Buttons */
.quality-tiers {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.quality-tier-btn {
    flex: 1;
    padding: 14px 16px;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
}

.quality-tier-btn:hover {
    border-color: var(--emerald-300);
    background: var(--emerald-50);
}

.quality-tier-btn.active {
    border-color: var(--emerald-500);
    background: var(--emerald-50);
    box-shadow: 0 0 0 1px var(--emerald-500);
}

.quality-tier-name {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 4px;
}

.quality-tier-price {
    font-size: 0.8rem;
    color: var(--gray-500);
    font-weight: 600;
}

.quality-tier-btn.active .quality-tier-price {
    color: var(--emerald-700);
}

.quality-tier-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--gradient);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.6rem;
    font-weight: 800;
    padding: 2px 8px;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quality-tier-included {
    display: inline-block;
    background: var(--emerald-100);
    color: var(--emerald-700);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 1px 8px;
    border-radius: 100px;
    margin-top: 4px;
    font-family: var(--font-display);
}

/* Quality Explanation */
.quality-explanation {
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    font-size: 0.875rem;
    color: var(--gray-500);
    line-height: 1.6;
    border-left: 3px solid var(--emerald-400);
}

.quality-explanation strong {
    color: var(--dark-600);
}

/* TTS Preview Box */
.tts-preview-box {
    max-width: 860px;
    margin: 28px auto 0;
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 28px;
    border: 2px solid var(--emerald-200);
    box-shadow: var(--shadow);
}

.tts-preview-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 20px;
}

.tts-preview-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.tts-preview-icon svg {
    width: 22px;
    height: 22px;
}

.tts-preview-header h4 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 2px;
}

.tts-preview-header p {
    font-size: 0.82rem;
    color: var(--gray-500);
}

.tts-preview-controls {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.tts-field label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dark-600);
    margin-bottom: 6px;
}

.tts-field textarea,
.tts-field select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    background: var(--white);
    resize: vertical;
}

.tts-field textarea:focus,
.tts-field select:focus {
    outline: none;
    border-color: var(--emerald-400);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.tts-field-row {
    display: flex;
    gap: 14px;
    align-items: flex-end;
}

.tts-field-row .tts-field {
    flex: 1;
}

.tts-play-btn {
    white-space: nowrap;
    height: 42px;
}

.tts-play-btn svg {
    width: 16px;
    height: 16px;
}

.tts-play-btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

.tts-audio-wrap {
    margin-top: 4px;
}

.tts-audio-wrap audio {
    width: 100%;
    border-radius: var(--radius-sm);
}

.tts-error {
    color: var(--red);
    font-size: 0.85rem;
    padding: 8px 14px;
    background: #FEF2F2;
    border-radius: var(--radius-sm);
    border: 1px solid #FECACA;
}

/* Quality Summary */
.quality-summary {
    max-width: 860px;
    margin: 20px auto 0;
    background: var(--emerald-50);
    border: 2px solid var(--emerald-300);
    border-radius: var(--radius-lg);
    padding: 20px 28px;
}

.quality-summary-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.quality-summary-label {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 800;
    color: var(--dark);
}

.quality-summary-price {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--emerald-700);
}

.quality-summary-note {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 6px;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .benefits-grid,
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.1rem;
    }

    .section-intro h2 {
        font-size: 1.65rem;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 14px;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .benefits-grid,
    .pricing-grid,
    .target-grid {
        grid-template-columns: 1fr;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .section {
        padding: 60px 0;
    }

    .hero {
        padding: 110px 0 80px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .numbers-grid {
        gap: 32px;
    }

    .cta-box {
        padding: 40px 24px;
    }

    .cta-box h2 {
        font-size: 1.5rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .steps-timeline {
        padding-left: 0;
    }

    /* Quality Configurator responsive */
    .quality-tiers {
        flex-direction: column;
    }

    .tts-field-row {
        flex-direction: column;
    }

    .tts-play-btn {
        width: 100%;
    }

    .quality-summary-inner {
        flex-direction: column;
        text-align: center;
    }

    .quality-axis {
        padding: 20px;
    }

    .tts-preview-box {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.7rem;
    }

    .target-grid {
        grid-template-columns: 1fr;
    }

    .numbers-grid {
        flex-direction: column;
        gap: 20px;
    }

    .hero-trust-bar {
        flex-direction: column;
        gap: 8px;
    }
}