/* =====================================================
   FULLSEND - Main Stylesheet
   Professional B2B Design System
   ===================================================== */

/* ===========================================
   CSS Custom Properties (Design Tokens)
   =========================================== */
:root {
    /* Colors - Primary */
    --color-primary: #0EA5E9;
    --color-primary-dark: #0284C7;
    --color-primary-light: #38BDF8;
    --color-primary-subtle: #E0F2FE;
    
    /* Colors - Secondary */
    --color-secondary: #0F172A;
    --color-secondary-light: #1E293B;
    
    /* Colors - Accent */
    --color-accent: #10B981;
    --color-accent-subtle: #D1FAE5;
    
    /* Colors - Semantic */
    --color-success: #059669;
    --color-warning: #D97706;
    --color-error: #DC2626;
    
    /* Colors - Neutral */
    --color-gray-50: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1E293B;
    --color-gray-900: #0F172A;
    
    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-dark: #0F172A;
    
    /* Text Colors */
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --text-inverse: #FFFFFF;
    
    /* Typography - Font Families */
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Typography - Font Sizes */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    --text-6xl: 3.75rem;     /* 60px */
    
    /* Spacing Scale */
    --space-1: 0.25rem;      /* 4px */
    --space-2: 0.5rem;       /* 8px */
    --space-3: 0.75rem;      /* 12px */
    --space-4: 1rem;         /* 16px */
    --space-5: 1.25rem;      /* 20px */
    --space-6: 1.5rem;       /* 24px */
    --space-8: 2rem;         /* 32px */
    --space-10: 2.5rem;      /* 40px */
    --space-12: 3rem;        /* 48px */
    --space-16: 4rem;        /* 64px */
    --space-20: 5rem;        /* 80px */
    --space-24: 6rem;        /* 96px */
    --space-32: 8rem;        /* 128px */
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
    
    /* Legacy/Compatibility Aliases for resource-article.css */
    --primary: #0EA5E9;
    --primary-dark: #0284C7;
    --accent: #10B981;
    --text: #0F172A;
    --text-light: #475569;
    --border: #E2E8F0;
    --background: #F8FAFC;
    --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
    display: block;
    max-width: 100%;
}

input,
button,
textarea,
select {
    font: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

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

ul,
ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    font-weight: 700;
}

/* ===========================================
   Layout Components
   =========================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

.section-tag {
    display: inline-block;
    background: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-header h2 {
    font-size: var(--text-4xl);
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--text-secondary);
}

/* ===========================================
   Button Components
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: var(--text-base);
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--color-gray-200);
}

.btn-outline:hover {
    border-color: var(--color-gray-300);
    background: var(--color-gray-50);
}

.btn-secondary {
    background: var(--color-accent);
    color: var(--text-inverse);
}

.btn-secondary:hover {
    background: #0D9668;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* ===========================================
   Navigation
   =========================================== */

/* Alternative header/nav structure used on resource pages */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--space-4) 0;
}

.header .nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header .logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--text-primary);
    text-decoration: none;
}

.header .logo-icon {
    font-size: 1.5rem;
}

.header .nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    list-style: none;
    margin: 0;
    padding: 0;
}

.header .nav-links li {
    margin: 0;
    padding: 0;
}

.header .nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: var(--text-sm);
    transition: color var(--transition-fast);
}

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

.header .nav-cta .btn {
    margin: 0;
}

.header .mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}

.header .mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition-fast);
}

@media (max-width: 768px) {
    .header .nav-links {
        display: none;
    }
    
    .header .nav-cta {
        display: none;
    }
    
    .header .mobile-menu-btn {
        display: flex;
    }
}

/* Main navbar structure */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

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

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

.logo-text {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
}

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

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

@media (max-width: 1024px) {
    .mobile-menu-btn {
        display: flex;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--bg-primary);
        padding: var(--space-6);
        gap: var(--space-2);
        transform: translateX(100%);
        transition: transform var(--transition-base);
    }
    
    .nav-links.active {
        transform: translateX(0);
    }
    
    .nav-link {
        padding: var(--space-4);
        text-align: center;
        font-size: var(--text-base);
    }
    
    .nav-links .btn {
        margin-top: var(--space-4);
    }
}

/* ===========================================
   Hero Section
   =========================================== */
.hero {
    position: relative;
    padding: calc(70px + var(--space-20)) 0 var(--space-20);
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 90% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-gray-50) 0%, var(--bg-primary) 100%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(14, 165, 233, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14, 165, 233, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease;
}

.hero-badge svg {
    color: var(--color-warning);
}

.hero h1 {
    font-size: var(--text-5xl);
    line-height: 1.1;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease 0.1s backwards;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

.hero-ctas {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.hero-proof {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

.proof-avatars {
    display: flex;
}

.proof-avatars img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--bg-primary);
    margin-left: -8px;
    background: var(--color-gray-200);
}

.proof-avatars img:first-child {
    margin-left: 0;
}

.proof-text {
    display: flex;
    flex-direction: column;
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.proof-rating {
    color: var(--color-warning);
    font-size: var(--text-xs);
    letter-spacing: 1px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInUp 0.6s ease 0.5s backwards;
}

.email-preview {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

.email-header {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-100);
}

.email-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray-300);
}

.email-dot:nth-child(1) { background: #FF5F57; }
.email-dot:nth-child(2) { background: #FEBC2E; }
.email-dot:nth-child(3) { background: #28C840; }

.email-content {
    padding: var(--space-6);
}

.email-to,
.email-subject {
    display: flex;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-gray-100);
    font-size: var(--text-sm);
}

.email-to .label,
.email-subject .label {
    color: var(--text-muted);
    min-width: 60px;
}

.email-subject .value {
    font-weight: 600;
}

.email-body {
    padding-top: var(--space-4);
    font-size: var(--text-sm);
    line-height: 1.7;
}

.email-body p {
    margin-bottom: var(--space-3);
}

.email-body .highlight {
    background: var(--color-primary-subtle);
    color: var(--color-primary-dark);
    padding: 2px 4px;
    border-radius: var(--radius-sm);
}

.email-typing {
    display: inline-block;
}

.cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--color-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.research-panel {
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    width: 220px;
    box-shadow: var(--shadow-xl);
    animation: slideInRight 0.6s ease 0.8s backwards;
}

.panel-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--color-gray-100);
}

.research-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.research-item {
    display: flex;
    flex-direction: column;
    font-size: var(--text-xs);
}

.item-label {
    color: var(--text-muted);
}

.item-value {
    font-weight: 500;
    color: var(--text-primary);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translate(20px, -50%);
    }
    to {
        opacity: 1;
        transform: translate(0, -50%);
    }
}

@media (max-width: 1200px) {
    .research-panel {
        display: none;
    }
}

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero h1 {
        font-size: var(--text-4xl);
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-proof {
        justify-content: center;
    }
    
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .hero-ctas {
        flex-direction: column;
    }
}

/* ===========================================
   Logo Bar
   =========================================== */
.logo-bar {
    padding: var(--space-12) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-100);
}

.logo-bar-text {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-6);
}

.logo-bar-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.partner-logo {
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-gray-300);
    letter-spacing: -0.02em;
}

/* ===========================================
   Problem/Solution Section
   =========================================== */
.problem-solution {
    padding: var(--space-24) 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--space-8);
    align-items: center;
    margin-bottom: var(--space-12);
}

.comparison-card {
    background: var(--bg-primary);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
}

.comparison-card.problem {
    border-color: var(--color-gray-200);
}

.comparison-card.solution {
    border-color: var(--color-primary);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.15);
}

.comparison-icon {
    margin-bottom: var(--space-4);
}

.comparison-card.problem .comparison-icon {
    color: var(--color-gray-400);
}

.comparison-card.solution .comparison-icon {
    color: var(--color-primary);
}

.comparison-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-4);
}

.comparison-stat {
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.comparison-card.problem .comparison-stat {
    color: var(--color-gray-400);
}

.comparison-card.solution .comparison-stat {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.comparison-label {
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-6);
}

.comparison-list {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.comparison-list li svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.comparison-card.problem .comparison-list li svg {
    color: var(--color-error);
}

.comparison-list.success li svg {
    color: var(--color-success);
}

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

.comparison-divider span {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-muted);
}

.time-callout {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    background: var(--color-primary-subtle);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    max-width: 800px;
    margin: 0 auto;
}

.callout-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--radius-xl);
    color: var(--text-inverse);
}

.callout-content h4 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-2);
}

.callout-content p {
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-divider {
        transform: rotate(90deg);
    }
}

@media (max-width: 640px) {
    .time-callout {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

/* ===========================================
   Features Section
   =========================================== */
.what-we-do {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.feature-card {
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.feature-card h3 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

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

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   How It Works Overview
   =========================================== */
.how-it-works-overview {
    padding: var(--space-24) 0;
}

.steps-visual {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.step-card {
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    width: 200px;
    text-align: center;
    transition: all var(--transition-base);
}

.step-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--text-inverse);
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: 700;
    margin-bottom: var(--space-3);
}

.step-card h4 {
    font-size: var(--text-sm);
    margin-bottom: var(--space-2);
}

.step-card p {
    font-size: var(--text-xs);
    color: var(--text-secondary);
}

.step-connector {
    color: var(--color-gray-300);
    padding-top: var(--space-6);
}

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

@media (max-width: 1024px) {
    .steps-visual {
        flex-wrap: wrap;
    }
    
    .step-connector {
        display: none;
    }
    
    .step-card {
        flex: 1 1 calc(50% - var(--space-4));
        min-width: 160px;
    }
}

/* ===========================================
   Impact Section
   =========================================== */
.impact-section {
    padding: var(--space-24) 0;
    background: var(--bg-dark);
    color: var(--text-inverse);
}

.impact-section .section-tag {
    background: rgba(14, 165, 233, 0.2);
    color: var(--color-primary-light);
}

.impact-section .section-header h2 {
    color: var(--text-inverse);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.impact-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.impact-metric {
    margin-bottom: var(--space-4);
}

.metric-value {
    display: block;
    font-size: var(--text-5xl);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label {
    display: block;
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text-inverse);
}

.impact-card p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

/* ===========================================
   Before/After Table
   =========================================== */
.before-after {
    padding: var(--space-24) 0;
}

.comparison-table-wrapper {
    overflow-x: auto;
}

.ba-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.ba-table th,
.ba-table td {
    padding: var(--space-4) var(--space-6);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-100);
}

.ba-table thead th {
    font-weight: 600;
    font-size: var(--text-sm);
}

.ba-table thead th.before {
    background: var(--color-gray-100);
    color: var(--text-secondary);
}

.ba-table thead th.after {
    background: var(--color-primary);
    color: var(--text-inverse);
}

.ba-table tbody td {
    font-size: var(--text-sm);
}

.ba-table tbody td:first-child {
    font-weight: 500;
}

.ba-table tbody td.before {
    color: var(--text-muted);
}

.ba-table tbody td.after {
    color: var(--color-primary-dark);
    font-weight: 500;
}

/* ===========================================
   Lead Sourcing Section
   =========================================== */
.lead-sourcing {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.lead-card {
    background: var(--bg-primary);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
    box-shadow: var(--shadow-lg);
}

.lead-content {
    max-width: 800px;
    margin: 0 auto;
}

.lead-content h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.lead-content > p {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
}

.lead-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.lead-option {
    padding: var(--space-6);
    background: var(--color-gray-50);
    border-radius: var(--radius-xl);
}

.option-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.lead-option h4 {
    font-size: var(--text-lg);
    margin-bottom: var(--space-2);
}

.lead-option p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.lead-footer {
    font-size: var(--text-base);
    color: var(--text-secondary);
    font-style: italic;
}

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

/* ===========================================
   Testimonials Section
   =========================================== */
.testimonials {
    padding: var(--space-24) 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.testimonial-quote {
    color: var(--color-primary-subtle);
    margin-bottom: var(--space-4);
}

.testimonial-card p {
    font-size: var(--text-base);
    line-height: 1.7;
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.author-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--text-inverse);
    border-radius: 50%;
    font-size: var(--text-sm);
    font-weight: 600;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    font-size: var(--text-sm);
}

.author-role {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

@media (max-width: 1024px) {
    .testimonial-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   Who It's For Section
   =========================================== */
.who-its-for {
    padding: var(--space-24) 0;
    background: var(--bg-secondary);
}

.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.audience-card {
    background: var(--bg-primary);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    text-align: center;
    transition: all var(--transition-base);
}

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

.audience-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--color-primary-subtle);
    border-radius: var(--radius-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.audience-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.audience-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .audience-grid {
        grid-template-columns: 1fr;
    }
}

/* ===========================================
   Final CTA Section
   =========================================== */
.final-cta {
    padding: var(--space-24) 0;
}

.cta-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--space-12);
}

.cta-content {
    color: var(--text-inverse);
}

.cta-content h2 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.cta-content > p {
    font-size: var(--text-lg);
    opacity: 0.9;
    margin-bottom: var(--space-4);
}

.cta-highlight {
    font-size: var(--text-base);
    font-weight: 600;
}

.cta-form-wrapper {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
}

.contact-form h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-6);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group.full-width {
    grid-column: span 2;
}

.form-group label {
    font-size: var(--text-sm);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-actions {
    margin-top: var(--space-4);
}

.form-note {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-muted);
    margin-top: var(--space-3);
}

@media (max-width: 1024px) {
    .cta-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group.full-width {
        grid-column: span 1;
    }
}

/* ===========================================
   Footer
   =========================================== */
.footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--bg-dark);
    color: var(--text-inverse);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand {
    max-width: 300px;
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
}

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

.footer-brand p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-4);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-inverse);
    transition: all var(--transition-fast);
}

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

.footer-links h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-links a {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
}

.footer-badges {
    display: flex;
    gap: var(--space-3);
}

.footer-badges .badge {
    padding: var(--space-1) var(--space-3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ===========================================
   Utility Classes
   =========================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.hidden {
    display: none !important;
}