/* ===================================
   TheSecureNote - B2B Landing Page CSS
   Premium B2B lead generation design
   =================================== */

/* ===== Typography ===== */
h1,
h2,
h3 {
    font-family: 'Satoshi', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ===== Hero Section ===== */
.b2b-hero {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
    padding: var(--space-16) var(--space-8);
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 80px);
}

.b2b-hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--brand-primary);
    margin-bottom: var(--space-6);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--brand-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.b2b-hero h1 {
    font-size: clamp(2.5rem, 4vw, 3.25rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-5);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-8);
}

/* Single URL with Rotating Username */
.url-example-single {
    display: inline-flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-6);
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: var(--space-8);
    transition: all 0.2s ease;
}

.url-example-single:hover {
    border-color: var(--brand-primary);
    background: rgba(37, 99, 235, 0.04);
}

.url-example-single .url-prefix {
    color: var(--text-secondary);
}

.rotating-username {
    display: inline-block;
    position: relative;
    min-width: 120px;
}

.rotate-name {
    display: inline;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    color: var(--brand-primary);
    font-weight: 700;
    position: absolute;
    left: 0;
}

.rotate-name.active {
    position: relative;
    opacity: 1;
    transform: translateY(0);
}

/* CTA Button */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
}

.cta-btn.primary {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.cta-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.cta-btn svg {
    transition: transform 0.3s ease;
}

.cta-btn:hover svg {
    transform: translateX(3px);
}

.cta-note {
    margin-top: var(--space-4);
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ===== Hero Visual (Dashboard Preview) ===== */
.b2b-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.dashboard-preview {
    width: 100%;
    max-width: 600px;
    background: var(--bg-primary);
    border-radius: 16px;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.03),
        0 12px 24px -6px rgba(0, 0, 0, 0.08),
        0 32px 64px -12px rgba(37, 99, 235, 0.15);
    overflow: hidden;
    transform: perspective(1500px) rotateY(-4deg) rotateX(2deg);
    transition: transform 0.4s ease;
}

.dashboard-preview:hover {
    transform: perspective(1200px) rotateY(-1deg) rotateX(1deg);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.preview-dots {
    display: flex;
    gap: 5px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.preview-dots span:nth-child(1) {
    background: #FF5F57;
}

.preview-dots span:nth-child(2) {
    background: #FFBD2E;
}

.preview-dots span:nth-child(3) {
    background: #28C840;
}

.preview-url {
    flex: 1;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    background: rgba(0, 0, 0, 0.03);
    padding: 4px 12px;
    border-radius: 6px;
}

.preview-lock {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.6875rem;
    color: #10B981;
    font-weight: 500;
}

.dashboard-content {
    display: flex;
    min-height: 280px;
}

.dashboard-sidebar {
    width: 140px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-light);
    padding: var(--space-3);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.sidebar-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.sidebar-item.active {
    background: var(--brand-primary);
    color: white;
}

.dashboard-main {
    flex: 1;
    padding: var(--space-4);
}

.user-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
}

.user-avatar {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.user-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.user-status {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: var(--radius-full);
}

.user-status.active {
    background: var(--success-bg);
    color: var(--success);
}

.user-status.pending {
    background: var(--warning-bg);
    color: var(--warning);
}

.user-encrypted {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.6875rem;
    color: #10B981;
    font-weight: 500;
}

.user-encrypted.faded {
    color: var(--text-tertiary);
}

/* ===== Sections Common ===== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-12);
}

.section-header h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== How It Works ===== */
.how-section {
    padding: var(--space-20) var(--space-6);
    background: var(--bg-secondary);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.step-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.step-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.1);
    transform: translateY(-4px);
}

.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(30, 64, 175, 0.1) 100%);
    border-radius: 16px;
    margin-bottom: var(--space-4);
    color: #2563EB;
}

.step-number {
    display: block;
    width: auto;
    height: auto;
    background: transparent;
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 700;
    color: #2563EB;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-3);
}

.step-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.step-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Access Modes ===== */
.access-modes-section {
    padding: var(--space-20) var(--space-6);
    background: var(--bg-primary);
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
    max-width: 900px;
    margin: 0 auto var(--space-8);
}

.mode-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95) 0%, rgba(249, 250, 251, 0.9) 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all 0.3s ease;
}

.mode-card:hover {
    border-color: var(--brand-primary);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.1);
    transform: translateY(-4px);
}

.mode-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    margin-bottom: var(--space-4);
}

.mode-icon.invite {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    color: #6366F1;
}

.mode-icon.open {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.15) 100%);
    color: #10B981;
}

.mode-card h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.mode-card>p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.mode-best-for {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.best-for-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.modes-footnote {
    text-align: center;
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    max-width: 700px;
    margin: 0 auto;
    padding: var(--space-6);
    background: rgba(37, 99, 235, 0.04);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

/* ===== Use Cases ===== */
.use-cases-section {
    padding: var(--space-20) var(--space-6);
    background: var(--bg-secondary);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    max-width: 1100px;
    margin: 0 auto;
}

.use-case-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all 0.25s ease;
}

.use-case-card:hover {
    border-color: rgba(37, 99, 235, 0.2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.use-case-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    border-radius: 12px;
    margin-bottom: var(--space-4);
    color: var(--brand-primary);
}

.use-case-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.use-case-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* ===== Zero-Knowledge Section ===== */
.zero-knowledge-section {
    padding: var(--space-20) var(--space-6);
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: white;
}

.zero-knowledge-section .section-header h2 {
    color: white;
}

.zk-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
}

.zk-explanation {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.zk-explanation p {
    margin-bottom: var(--space-4);
}

.zk-explanation strong {
    color: white;
}

.zk-tagline {
    font-size: 1.375rem;
    font-weight: 700;
    color: #3B82F6;
    margin-top: var(--space-6);
}

.zk-proof-points {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.proof-point {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
}

.proof-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(37, 99, 235, 0.2);
    border-radius: var(--radius-md);
    color: #3B82F6;
    flex-shrink: 0;
}

.proof-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--space-1);
}

.proof-text p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* ===== Pricing Section ===== */
.b2b-pricing-section {
    padding: var(--space-20) var(--space-6);
    background: var(--bg-primary);
}

.pricing-table-wrapper {
    max-width: 500px;
    margin: 0 auto var(--space-8);
}

.pricing-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.pricing-table th,
.pricing-table td {
    padding: var(--space-4) var(--space-6);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.pricing-table th {
    background: var(--bg-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-table td {
    font-size: 1rem;
    color: var(--text-primary);
}

.pricing-table td strong {
    color: var(--brand-primary);
    font-weight: 700;
}

.pricing-table tr:last-child td {
    border-bottom: none;
}

.enterprise-row {
    background: rgba(37, 99, 235, 0.04);
}

.pricing-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-top: var(--space-4);
}

.pricing-examples {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-12);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.pricing-examples strong {
    color: var(--text-primary);
}

.pricing-examples .divider {
    color: var(--text-tertiary);
}

/* Calculator */
.pricing-calculator {
    max-width: 400px;
    margin: 0 auto var(--space-12);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
}

.pricing-calculator h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.calculator-input {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.calculator-input label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.calculator-input input {
    width: 100px;
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    font-weight: 600;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    text-align: center;
}

.calculator-input input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-primary-light);
}

.calculator-result {
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    padding: var(--space-4);
}

.result-label {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    display: block;
    margin-bottom: var(--space-1);
}

.result-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--brand-primary);
}

/* Included Features */
.included-features {
    max-width: 700px;
    margin: 0 auto var(--space-12);
    text-align: center;
}

.included-features h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
    color: var(--text-primary);
}

.features-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
    text-align: left;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.feature-item svg {
    color: #10B981;
    flex-shrink: 0;
}

/* Enterprise Tier */
.enterprise-tier {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    padding: var(--space-8);
    background: linear-gradient(145deg, rgba(37, 99, 235, 0.04) 0%, rgba(99, 102, 241, 0.04) 100%);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: var(--radius-xl);
}

.enterprise-tier h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.enterprise-tier p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.pricing-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.pricing-btn.secondary {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-medium);
}

.pricing-btn.secondary:hover {
    background: var(--bg-tertiary);
}

/* ===== FAQ Section ===== */
.faq-section {
    padding: var(--space-20) var(--space-6);
    background: var(--bg-secondary);
}

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

.faq-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-3);
    overflow: hidden;
    transition: all 0.2s ease;
}

.faq-item:hover {
    border-color: rgba(37, 99, 235, 0.2);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-6);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.faq-question:hover {
    color: var(--brand-primary);
}

.faq-question svg {
    flex-shrink: 0;
    color: var(--text-tertiary);
    transition: transform 0.3s ease;
}

.faq-item.open .faq-question svg {
    transform: rotate(180deg);
}

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

.faq-item.open .faq-answer {
    max-height: 200px;
    padding: 0 var(--space-6) var(--space-5);
}

.faq-answer p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== Form Section ===== */
.form-section {
    padding: var(--space-20) var(--space-6);
    background: var(--bg-primary);
}

.form-wrapper {
    max-width: 540px;
    margin: 0 auto;
}

.form-wrapper .section-header {
    margin-bottom: var(--space-8);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.required {
    color: var(--error);
}

.form-section .input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 1rem;
    font-family: inherit;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-section .input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-primary-light);
}

.form-section textarea.input {
    resize: vertical;
    min-height: 100px;
}

.form-section select.input {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239CA3AF' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

.submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4);
}

.submit-btn.full-width {
    width: 100%;
}

.form-success {
    text-align: center;
    padding: var(--space-10);
}

.form-success.hidden {
    display: none;
}

.form-success svg {
    color: #10B981;
    margin-bottom: var(--space-4);
}

.form-success h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-alternative {
    text-align: center;
    margin-top: var(--space-6);
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.form-alternative a {
    color: var(--brand-primary);
    text-decoration: none;
    font-weight: 500;
}

.form-alternative a:hover {
    text-decoration: underline;
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-16) var(--space-6) var(--space-8);
    background: var(--bg-primary);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: var(--space-12);
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: var(--space-10);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    margin-bottom: var(--space-2);
}

.footer-logo svg {
    color: var(--brand-primary);
}

.footer-about {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 500px;
}

.footer-links {
    display: flex;
    gap: var(--space-16);
}

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

.footer-col a {
    display: block;
    font-size: 0.9375rem;
    color: var(--text-tertiary);
    text-decoration: none;
    margin-bottom: var(--space-2);
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--brand-primary);
}

.footer-bottom {
    max-width: 1100px;
    margin: var(--space-6) auto 0;
    text-align: center;
    border-top: 1px solid var(--border-light);
    padding-top: var(--space-6);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

/* ===== Responsive (Tablet) ===== */
@media (max-width: 1024px) {
    .b2b-hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: var(--space-12) var(--space-6);
        min-height: auto;
        gap: var(--space-12);
    }

    .b2b-hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .b2b-hero-visual {
        display: none;
    }

    .steps-grid,
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zk-content {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .features-list {
        grid-template-columns: 1fr;
    }
}

/* ===== Responsive (Mobile) ===== */
@media (max-width: 768px) {

    /* Hide nav links on mobile to prevent overflow */
    .navbar-links {
        display: none;
    }

    /* Fix Hero Padding and overflow */
    .b2b-hero {
        padding: var(--space-8) var(--space-4);
        overflow-x: hidden;
    }

    .b2b-hero h1 {
        font-size: 1.875rem;
        /* Reduced from 2rem */
        word-wrap: break-word;
        overflow-wrap: break-word;
        /* Prevent text truncation */
        max-width: 100%;
    }

    .hero-subtitle {
        font-size: 1rem;
        max-width: 100%;
    }

    /* Fix URL Example Container */
    .url-example-single {
        font-size: 0.875rem;
        /* Smaller font */
        padding: var(--space-3) var(--space-4);
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        flex-wrap: wrap;
        /* Allow wrapping */
        justify-content: center;
        gap: 0;
        /* No gap for URL continuity */
    }

    .rotating-username {
        min-width: auto;
        /* Remove rigid width */
    }

    .steps-grid,
    .modes-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: var(--space-6);
        /* Increased gap for better spacing */
    }

    .step-card,
    .mode-card,
    .use-case-card {
        padding: var(--space-6);
    }

    .zk-explanation {
        font-size: 1rem;
    }

    .proof-point {
        flex-direction: column;
        text-align: center;
        padding: var(--space-4);
    }

    .pricing-examples {
        flex-direction: column;
        gap: var(--space-2);
    }

    .pricing-examples .divider {
        display: none;
    }

    .calculator-input {
        flex-direction: column;
        width: 100%;
    }

    .calculator-input input {
        width: 100%;
        /* Full width input */
    }

    .footer-content {
        flex-direction: column;
        gap: var(--space-10);
        align-items: center;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-8);
    }
}

/* ===== Responsive (Small Mobile) ===== */
@media (max-width: 480px) {
    .b2b-hero h1 {
        font-size: 1.75rem;
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .zk-tagline {
        font-size: 1.125rem;
    }

    .pricing-table th,
    .pricing-table td {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
        /* Smaller table text */
    }

    .pricing-table-wrapper {
        overflow-x: auto;
        /* Allow table scroll */
        -webkit-overflow-scrolling: touch;
    }
}