/* ==========================================================================
   TENEO DESIGN SYSTEM
   Based on IBM Carbon-inspired specification
   ========================================================================== */

/* ==========================================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ========================================================================== */

:root {
    /* Grayscale - Primary palette */
    --white: #ffffff;
    --gray-05: #f9fafb;
    --gray-10: #f4f4f4;
    --gray-20: #e0e0e0;
    --gray-30: #c6c6c6;
    --gray-40: #a8a8a8;
    --gray-50: #8d8d8d;
    --gray-60: #6f6f6f;
    --gray-70: #525252;
    --gray-80: #393939;
    --gray-90: #262626;
    --gray-100: #161616;
    --black: #000000;

    /* Brand Colors */
    --blue-primary: #0f62fe;
    --blue-hover: #0353e9;
    --blue-light: #edf5ff;

    /* Semantic Colors */
    --teal-primary: #009d9a;
    --teal-light: #d9fbfb;
    --green-primary: #198038;
    --green-light: #defbe6;
    --purple-primary: #8a3ffc;
    --purple-light: #f6f2ff;
    --red-primary: #da1e28;
    --red-light: #fff1f1;
    --orange-primary: #ff832b;
    --orange-light: #fff2e8;

    /* Layout */
    --header-height: 64px;
    --max-width: 1200px;
    --max-width-wide: 1400px;
}

/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--gray-90);
    line-height: 1.5;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */

h1 {
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--gray-100);
}

h1 strong {
    font-weight: 600;
}

h2 {
    font-size: 2.25rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--gray-100);
}

h2 strong {
    font-weight: 600;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-100);
}

h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-100);
}

p {
    color: var(--gray-70);
    line-height: 1.7;
}

.text-lg {
    font-size: 1.125rem;
}

.text-sm {
    font-size: 0.875rem;
}

.text-xs {
    font-size: 0.75rem;
}

.mono {
    font-family: 'IBM Plex Mono', monospace;
}

/* ==========================================================================
   4. LAYOUT
   ========================================================================== */

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.container-wide {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

.bg-white {
    background: var(--white);
}

.bg-gray-05 {
    background: var(--gray-05);
}

.bg-gray-100 {
    background: var(--gray-100);
}

/* Grid patterns */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.feature-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

/* ==========================================================================
   5. BUTTONS
   ========================================================================== */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    min-width: 160px;
    font-size: 0.9375rem;
    font-weight: 500;
    background: var(--blue-primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    min-width: 160px;
    font-size: 0.9375rem;
    font-weight: 500;
    background: transparent;
    color: var(--gray-100);
    border: 1px solid var(--gray-30);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s;
}

.btn-secondary:hover {
    border-color: var(--gray-100);
    background: var(--gray-10);
}

.btn-primary-large,
.btn-secondary-large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 500;
    background: transparent;
    color: var(--blue-primary);
    border: none;
    cursor: pointer;
    transition: background 0.15s;
}

.btn-ghost:hover {
    background: var(--blue-light);
}

/* Dark background variants */
.btn-secondary-dark {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-60);
}

.btn-secondary-dark:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

/* Small button */
.btn-sm {
    padding: 0.5rem 1rem;
    min-width: auto;
    font-size: 0.875rem;
}

/* ==========================================================================
   6. EYEBROW / LABELS
   ========================================================================== */

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--blue-primary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.eyebrow-line {
    display: inline-block;
    width: 32px;
    height: 2px;
    background: var(--blue-primary);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(15, 98, 254, 0.2);
    border: 1px solid rgba(15, 98, 254, 0.3);
    color: var(--blue-primary);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 2rem;
}

/* ==========================================================================
   7. CARDS
   ========================================================================== */

.card {
    background: var(--white);
    border: 1px solid var(--gray-20);
    padding: 1.5rem;
    transition: all 0.2s;
}

.card:hover {
    border-color: var(--blue-primary);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.card-accent {
    border-left: 2px solid var(--gray-20);
    padding-left: 1.5rem;
}

.card-accent:hover {
    border-left-color: var(--blue-primary);
}

.pillar-card {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: var(--gray-05);
    border: 1px solid var(--gray-20);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.pillar-card:hover {
    border-color: var(--blue-primary);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

/* Feature card */
.feature-card {
    padding: 2rem;
    background: var(--white);
    border: 1px solid var(--gray-20);
    transition: all 0.2s;
}

.feature-card:hover {
    border-color: var(--blue-primary);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.feature-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-light);
    margin-bottom: 1.5rem;
}

.feature-card-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--blue-primary);
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
}

/* ==========================================================================
   8. FORMS
   ========================================================================== */

input[type="text"],
input[type="email"],
input[type="url"],
input[type="tel"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    font-family: inherit;
    border: 1px solid var(--gray-30);
    background: var(--white);
    color: var(--gray-100);
    transition: border-color 0.15s;
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--blue-primary);
    box-shadow: 0 0 0 1px var(--blue-primary);
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-70);
    margin-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   9. BADGES / TAGS
   ========================================================================== */

.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-blue {
    background: var(--blue-primary);
    color: var(--white);
}

.badge-outline {
    background: transparent;
    border: 1px solid var(--gray-30);
    color: var(--gray-70);
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--white);
    border: 1px solid var(--gray-20);
    font-size: 0.75rem;
    color: var(--gray-70);
}

/* ==========================================================================
   10. HEADER / NAVIGATION
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--white);
    border-bottom: 1px solid var(--gray-20);
}

.header-main {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.logo {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    text-decoration: none;
    color: var(--gray-100);
}

.logo-t {
    color: var(--blue-primary);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--gray-80);
    text-decoration: none;
    transition: color 0.15s;
}

.nav-link:hover {
    color: var(--gray-100);
}

.nav-link.active {
    color: var(--blue-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-actions .btn-secondary {
    min-width: auto;
    padding: 0.5rem 1rem;
}

.header-actions .btn-primary {
    min-width: auto;
    padding: 0.5rem 1.25rem;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
    stroke: var(--gray-100);
}

/* ==========================================================================
   11. HERO SECTIONS
   ========================================================================== */

.hero-dark {
    padding: 8rem 2rem 6rem;
    background: var(--gray-100);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero-dark::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 50%, rgba(15, 98, 254, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 80%, rgba(138, 63, 252, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.hero-dark .container {
    position: relative;
    z-index: 1;
}

.hero-dark h1 {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.hero-dark p {
    color: var(--gray-30);
    font-size: 1.125rem;
    max-width: 540px;
}

.hero-dark .hero-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
}

.hero-dark .hero-layout {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.hero-dark .hero-content {
    position: relative;
    z-index: 1;
}

.hero-dark .hero-illustration {
    position: relative;
    z-index: 1;
}

.hero-dark .hero-illustration svg {
    filter: drop-shadow(0 4px 24px rgba(15, 98, 254, 0.15));
}

/* Light hero for interior pages */
.hero-light {
    padding: 4rem 2rem 3rem;
    background: var(--white);
    border-bottom: 1px solid var(--gray-20);
}

.hero-light h1 {
    font-size: 2.5rem;
    color: var(--gray-100);
    margin-bottom: 1rem;
}

.hero-light p {
    font-size: 1.125rem;
    max-width: 700px;
}

/* ==========================================================================
   12. FOOTER
   ========================================================================== */

.site-footer {
    background: var(--gray-100);
    color: var(--gray-30);
}

.footer-main {
    padding: 4rem 2rem 3rem;
}

.footer-container {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.2fr;
    gap: 3rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--gray-40);
    margin-top: 1rem;
    max-width: 280px;
}

.footer-heading {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--gray-40);
    transition: color 0.15s;
}

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

.footer-bottom {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--gray-80);
}

.footer-bottom-inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--gray-50);
}

.footer-legal {
    display: flex;
    gap: 1.5rem;
}

.footer-legal a {
    color: var(--gray-50);
    transition: color 0.15s;
}

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

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--gray-50);
    transition: color 0.15s;
}

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

.footer-social svg {
    width: 20px;
    height: 20px;
}

/* ==========================================================================
   13. SECTION HEADERS
   ========================================================================== */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header .overline {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--blue-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.125rem;
}

/* Left-aligned section header */
.section-header-left {
    max-width: 600px;
    margin-bottom: 3rem;
}

.section-header-left .overline {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--blue-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-header-left h2 {
    margin-bottom: 1rem;
}

/* ==========================================================================
   14. DATA DISPLAY / STATS
   ========================================================================== */

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--blue-primary);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-60);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   15. PRICING
   ========================================================================== */

.pricing-slider-container {
    max-width: 600px;
    margin: 0 auto 3rem;
}

.pricing-slider {
    width: 100%;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--gray-20);
    outline: none;
    cursor: pointer;
}

.pricing-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--blue-primary);
    cursor: pointer;
}

.pricing-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--blue-primary);
    border: none;
    cursor: pointer;
}

.pricing-display {
    text-align: center;
    padding: 3rem;
    background: var(--gray-05);
    border: 1px solid var(--gray-20);
}

.pricing-volume {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.875rem;
    color: var(--gray-60);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.pricing-amount {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 4rem;
    font-weight: 600;
    color: var(--gray-100);
}

.pricing-amount .currency {
    font-size: 2rem;
    vertical-align: super;
}

.pricing-period {
    font-size: 0.875rem;
    color: var(--gray-60);
    margin-top: 0.5rem;
}

/* ==========================================================================
   16. BREADCRUMB
   ========================================================================== */

.breadcrumb-bar {
    background: var(--gray-05);
    border-bottom: 1px solid var(--gray-20);
    padding: 0.75rem 2rem;
}

.breadcrumb-inner {
    max-width: var(--max-width-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
}

.breadcrumb-inner a {
    color: var(--gray-60);
    transition: color 0.15s;
}

.breadcrumb-inner a:hover {
    color: var(--blue-primary);
}

.breadcrumb-sep {
    color: var(--gray-40);
}

.breadcrumb-inner > span:last-child {
    color: var(--gray-80);
    font-weight: 500;
}

/* ==========================================================================
   17. UTILITIES
   ========================================================================== */

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

.text-left {
    text-align: left;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-6 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-6 { margin-bottom: 3rem; }

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* ==========================================================================
   18. RESPONSIVE
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .feature-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-dark .hero-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .hero-dark .hero-illustration {
        max-width: 500px;
        margin: 0 auto;
    }

    h1 {
        font-size: 2.75rem;
    }

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

/* Mobile */
@media (max-width: 768px) {
    .grid-4,
    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .main-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .section {
        padding: 4rem 0;
    }

    .hero-dark {
        padding: 6rem 2rem 4rem;
    }

    .hero-dark .hero-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .hero-dark .hero-illustration {
        max-width: 100%;
        order: -1;
    }

    .hero-dark .hero-actions {
        flex-direction: column;
    }

    .hero-dark .hero-actions .btn-primary,
    .hero-dark .hero-actions .btn-secondary-dark {
        width: 100%;
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom-inner {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .pricing-amount {
        font-size: 3rem;
    }

    .header-actions .btn-secondary {
        display: none;
    }
}

/* Mobile nav open state */
.main-nav.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-20);
    padding: 1rem;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}

.main-nav.is-open .nav-link {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-10);
}

/* ==========================================================================
   17. SIGNUP FORMS
   ========================================================================== */

.signup-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.signup-form-wrapper {
    max-width: 440px;
}

.signup-form {
    margin-top: 2rem;
}

.signup-progress {
    display: flex;
    align-items: center;
    margin-bottom: 2rem;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--gray-20);
    color: var(--gray-60);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
}

.progress-step.active .step-number {
    background: var(--blue-primary);
    color: var(--white);
}

.progress-step.completed .step-number {
    background: var(--green-primary);
    color: var(--white);
}

.step-label {
    font-size: 0.875rem;
    color: var(--gray-60);
}

.progress-step.active .step-label {
    color: var(--gray-100);
    font-weight: 500;
}

.progress-line {
    flex: 1;
    height: 2px;
    background: var(--gray-20);
    margin: 0 1rem;
}

.progress-line.active {
    background: var(--blue-primary);
}

.form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-20);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.form-section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-100);
    margin-bottom: 1.5rem;
}

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

.signup-benefits {
    background: var(--gray-05);
    padding: 2.5rem;
    border: 1px solid var(--gray-20);
    height: fit-content;
}

.signup-benefits h3 {
    margin-bottom: 1.5rem;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefits-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-70);
}

.signup-quote {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-20);
}

.signup-quote p {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--gray-60);
}

/* Engagor AI Upsell */
.engagor-upsell {
    position: relative;
    background: linear-gradient(135deg, #f6f2ff 0%, #edf5ff 50%, #d9fbfb 100%);
    border: 2px solid var(--purple-primary);
    border-radius: 8px;
    padding: 1.75rem;
    margin-bottom: 2.5rem;
    overflow: hidden;
}

.engagor-upsell::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle at top right, rgba(138, 63, 252, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.engagor-upsell-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.engagor-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--purple-primary) 0%, var(--blue-primary) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(138, 63, 252, 0.3);
}

.engagor-title {
    flex: 1;
}

.engagor-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--purple-primary) 0%, var(--blue-primary) 100%);
    color: white;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.625rem;
    border-radius: 100px;
    margin-bottom: 0.5rem;
}

.engagor-title h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-100);
    margin: 0;
}

.engagor-description {
    color: var(--gray-70);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.engagor-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.625rem;
    margin-bottom: 1.5rem;
}

.engagor-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-80);
}

.engagor-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 1rem;
    background: white;
    border: 2px solid var(--gray-20);
    border-radius: 8px;
    transition: all 0.2s ease;
}

.engagor-checkbox-wrapper:hover {
    border-color: var(--purple-primary);
    box-shadow: 0 0 0 3px rgba(138, 63, 252, 0.1);
}

.engagor-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.engagor-checkbox-custom {
    width: 24px;
    height: 24px;
    border: 2px solid var(--gray-30);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s ease;
    background: white;
}

.engagor-checkbox-custom::after {
    content: '';
    width: 12px;
    height: 12px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m4.5 12.75 6 6 9-13.5'/%3E%3C/svg%3E") center/contain no-repeat;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
}

.engagor-checkbox:checked + .engagor-checkbox-custom {
    background: linear-gradient(135deg, var(--purple-primary) 0%, var(--blue-primary) 100%);
    border-color: var(--purple-primary);
    box-shadow: 0 2px 8px rgba(138, 63, 252, 0.4);
}

.engagor-checkbox:checked + .engagor-checkbox-custom::after {
    opacity: 1;
    transform: scale(1);
}

.engagor-checkbox:checked ~ .engagor-checkbox-label {
    color: var(--gray-100);
    font-weight: 500;
}

.engagor-checkbox-wrapper:has(.engagor-checkbox:checked) {
    border-color: var(--purple-primary);
    background: linear-gradient(135deg, rgba(246, 242, 255, 0.5) 0%, rgba(237, 245, 255, 0.5) 100%);
}

.engagor-checkbox-label {
    font-size: 0.9375rem;
    color: var(--gray-70);
    transition: all 0.2s ease;
}

@media (max-width: 768px) {
    .engagor-features {
        grid-template-columns: 1fr;
    }

    .engagor-upsell-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background: var(--red-light);
    border: 1px solid var(--red-primary);
    color: var(--red-primary);
}

.alert-success {
    background: var(--green-light);
    border: 1px solid var(--green-primary);
    color: var(--green-primary);
}

/* Responsive signup */
@media (max-width: 768px) {
    .signup-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .signup-form-wrapper {
        max-width: 100%;
    }

    .signup-benefits {
        order: -1;
        padding: 1.5rem;
    }

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

    .progress-step .step-label {
        display: none;
    }
}