/* ========================================
   TaxReclaim Pro - Landing Page Stylesheet
   Modern, Conversion-Focused Design for 2025
   ======================================== */

/* CSS Custom Properties - Design Tokens */
:root {
    /* Brand Colors */
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --primary-glow: rgba(99, 102, 241, 0.3);
    
    /* Accent Colors */
    --accent-gold: #fbbf24;
    --accent-gold-dark: #f59e0b;
    --accent-gold-glow: rgba(251, 191, 36, 0.4);
    
    /* Semantic Colors */
    --success: #10b981;
    --success-light: #34d399;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* Neutrals */
    --dark: #0f172a;
    --dark-secondary: #1e293b;
    --gray-900: #111827;
    --gray-800: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-400: #9ca3af;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --gray-50: #f9fafb;
    --white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Z-Index Scale */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

/* ========================================
   Reset & Base Styles
   ======================================== */

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ========================================
   Layout Containers
   ======================================== */

.landing-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.landing-container--narrow {
    max-width: 960px;
}

.landing-container--wide {
    max-width: 1440px;
}

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

.landing-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--transition);
}

.landing-nav--scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow);
}

.landing-nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.landing-nav__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--dark);
}

.landing-nav__logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-weight: 900;
    font-size: 1.25rem;
    box-shadow: 0 4px 12px var(--accent-gold-glow);
}

.landing-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.landing-nav__link {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--gray-600);
    transition: color var(--transition);
    position: relative;
}

.landing-nav__link:hover {
    color: var(--primary);
}

.landing-nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}

.landing-nav__link:hover::after {
    width: 100%;
}

.landing-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

/* Mobile Menu Toggle */
.landing-nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    cursor: pointer;
}

.landing-nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition);
}

.landing-nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.landing-nav__toggle.active span:nth-child(2) {
    opacity: 0;
}

.landing-nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Menu */
.landing-nav__mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    padding: var(--space-6);
}

.landing-nav__mobile.active {
    display: block;
}

.landing-nav__mobile a {
    display: block;
    padding: var(--space-3) 0;
    font-weight: 500;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.landing-nav__mobile a:last-child {
    border-bottom: none;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius);
    transition: all var(--transition);
    white-space: nowrap;
    border: 2px solid transparent;
}

.btn--primary {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 4px 14px var(--primary-glow);
}

.btn--primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-glow);
}

.btn--secondary {
    background: transparent;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn--secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.btn--gold {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    color: var(--dark);
    border-color: var(--accent-gold);
    box-shadow: 0 4px 14px var(--accent-gold-glow);
}

.btn--gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-gold-glow);
}

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

.btn--white:hover {
    background: var(--gray-50);
    transform: translateY(-2px);
}

.btn--ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.25);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn--lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1.0625rem;
}

.btn--sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
}

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

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--space-16)) 0 var(--space-16);
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 50%, #2d3a52 100%);
    overflow: hidden;
}

/* Animated Background Pattern */
.hero__bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: 0.4;
}

.hero__bg::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 70% 70%, rgba(251, 191, 36, 0.1) 0%, transparent 40%);
    animation: heroFloat 20s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(2%, 2%) rotate(1deg); }
    66% { transform: translate(-1%, 1%) rotate(-1deg); }
}

/* Grid Pattern Overlay */
.hero__grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero__content {
    position: relative;
    z-index: var(--z-base);
    text-align: center;
    color: var(--white);
    max-width: 900px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(251, 191, 36, 0.15);
    border: 1px solid rgba(251, 191, 36, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: var(--space-6);
    animation: fadeInDown 0.8s ease-out;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

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

.hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-10);
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    justify-content: center;
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

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

.hero__trust-item svg {
    color: var(--success);
}

/* Hero Stats */
.hero__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    max-width: 700px;
    margin: var(--space-12) auto 0;
    padding-top: var(--space-10);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.hero__stat {
    text-align: center;
}

.hero__stat-number {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-2);
}

.hero__stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ========================================
   Social Proof Bar
   ======================================== */

.social-proof {
    padding: var(--space-8) 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
}

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

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

.social-proof__number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--dark);
}

.social-proof__label {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--space-1);
}

.social-proof__divider {
    width: 1px;
    height: 48px;
    background: var(--gray-200);
}

/* ========================================
   Problem Section
   ======================================== */

.problem-section {
    padding: var(--space-24) 0;
    background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-badge {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.6;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-6);
}

.problem-card {
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
}

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

.problem-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fef2f2;
    border-radius: var(--radius-lg);
    font-size: 1.75rem;
    margin-bottom: var(--space-5);
}

.problem-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-3);
}

.problem-card__text {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ========================================
   Solution / How It Works Section
   ======================================== */

.solution-section {
    padding: var(--space-24) 0;
    background: var(--white);
}

.solution-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-8);
    position: relative;
}

/* Connection line */
.solution-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary), var(--primary-light));
    opacity: 0.3;
}

.solution-step {
    text-align: center;
    position: relative;
}

.solution-step__number {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--radius-full);
    color: var(--white);
    font-size: 2rem;
    font-weight: 800;
    box-shadow: 0 8px 24px var(--primary-glow);
    position: relative;
    z-index: var(--z-base);
}

.solution-step__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-3);
}

.solution-step__text {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ========================================
   Calculator CTA Section
   ======================================== */

.calculator-cta {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    position: relative;
    overflow: hidden;
}

.calculator-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.calculator-cta__content {
    position: relative;
    z-index: var(--z-base);
    text-align: center;
    color: var(--white);
}

.calculator-cta__icon {
    font-size: 4rem;
    margin-bottom: var(--space-6);
}

.calculator-cta__title {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.calculator-cta__subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--space-8);
}

.calculator-cta__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--success-light);
    margin-bottom: var(--space-6);
}

/* ========================================
   Features Section
   ======================================== */

.features-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

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

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    margin-bottom: var(--space-5);
}

.feature-card__title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-3);
}

.feature-card__text {
    font-size: 0.9375rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ========================================
   Pricing Section
   ======================================== */

.pricing-section {
    padding: var(--space-24) 0;
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    border: 2px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
}

.pricing-card--popular {
    border-color: var(--primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg), 0 0 40px var(--primary-glow);
}

.pricing-card__badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-2) var(--space-5);
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

.pricing-card__name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-2);
}

.pricing-card__description {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: var(--space-6);
}

.pricing-card__price {
    margin-bottom: var(--space-6);
}

.pricing-card__amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
}

.pricing-card__period {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

.pricing-card__features {
    list-style: none;
    margin-bottom: var(--space-8);
}

.pricing-card__feature {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--gray-100);
    font-size: 0.9375rem;
    color: var(--gray-700);
}

.pricing-card__feature:last-child {
    border-bottom: none;
}

.pricing-card__feature svg {
    flex-shrink: 0;
    color: var(--success);
    margin-top: 2px;
}

/* ========================================
   Testimonials Section
   ======================================== */

.testimonials-section {
    padding: var(--space-24) 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
}

.testimonial-card {
    padding: var(--space-8);
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

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

.testimonial-card__quote {
    font-size: 1.0625rem;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.testimonial-card__avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.25rem;
}

.testimonial-card__info {
    flex: 1;
}

.testimonial-card__name {
    font-weight: 700;
    color: var(--dark);
    margin-bottom: var(--space-1);
}

.testimonial-card__role {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.testimonial-card__savings {
    padding: var(--space-2) var(--space-3);
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    font-size: 0.8125rem;
    font-weight: 700;
    border-radius: var(--radius);
}

/* ========================================
   FAQ Section
   ======================================== */

.faq-section {
    padding: var(--space-24) 0;
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-item:first-child {
    border-top: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-6) 0;
    text-align: left;
    font-size: 1.0625rem;
    font-weight: 600;
    color: var(--dark);
    cursor: pointer;
    transition: color var(--transition);
}

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

.faq-question__icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    color: var(--gray-600);
    transition: all var(--transition);
}

.faq-item.active .faq-question__icon {
    background: var(--primary);
    color: var(--white);
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer__content {
    padding-bottom: var(--space-6);
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========================================
   Final CTA Section
   ======================================== */

.final-cta {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.final-cta__content {
    position: relative;
    z-index: var(--z-base);
    text-align: center;
    color: var(--white);
}

.final-cta__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.final-cta__subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-8);
}

.final-cta__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    justify-content: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

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

/* ========================================
   Footer
   ======================================== */

.landing-footer {
    padding: var(--space-16) 0 var(--space-8);
    background: var(--gray-900);
    color: var(--gray-400);
}

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

.footer-brand__logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: var(--space-4);
}

.footer-brand__description {
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

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

.footer-social__link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-800);
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: all var(--transition);
}

.footer-social__link:hover {
    background: var(--primary);
    color: var(--white);
}

.footer-column__title {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-5);
}

.footer-column__list {
    list-style: none;
}

.footer-column__link {
    display: block;
    padding: var(--space-2) 0;
    font-size: 0.9375rem;
    color: var(--gray-400);
    transition: color var(--transition);
}

.footer-column__link:hover {
    color: var(--primary-light);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    font-size: 0.875rem;
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--gray-400);
    transition: color var(--transition);
}

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

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Scroll Reveal Animation Classes */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .solution-steps::before {
        display: none;
    }
}

@media (max-width: 768px) {
    .landing-nav__links,
    .landing-nav__actions {
        display: none;
    }
    
    .landing-nav__toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: calc(72px + var(--space-12)) 0 var(--space-12);
    }
    
    .hero__stats {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero__trust {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .social-proof__inner {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .social-proof__divider {
        width: 48px;
        height: 1px;
    }
    
    .pricing-card--popular {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .final-cta__buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .landing-container {
        padding: 0 var(--space-4);
    }
    
    .btn--lg {
        padding: var(--space-3) var(--space-6);
        font-size: 1rem;
    }
    
    .problem-grid,
    .features-grid,
    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

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

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.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;
}

/* ========================================
   Calculator Error Messages
   ======================================== */

.calculator-error {
    background: #fef2f2;
    border: 1px solid #ef4444;
    border-radius: var(--radius);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
    color: #991b1b;
    font-size: 0.875rem;
    font-weight: 500;
    animation: slideInDown 0.3s ease-out;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Calculator Result Animations
   ======================================== */

.result-updated {
    animation: pulseHighlight 0.5s ease-out;
}

@keyframes pulseHighlight {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
        color: var(--primary);
    }
    100% {
        transform: scale(1);
    }
}

/* ========================================
   Landing Page Calculator Styles
   ======================================== */

.calculator-section {
    padding: 6rem 0;
    background: #f9fafb;
}

.calculator-badge-free {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.calculator-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-top: 2rem;
}

.calculator-info-banner {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%);
    color: white;
    padding: 1.25rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
}

.calculator-info-banner h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
}

.calculator-info-banner p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.9;
}

.calculator-form-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.calculator-form-section {
    margin-bottom: 1.5rem;
}

.calculator-form-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

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

.calculator-form-group {
    margin-bottom: 1rem;
}

.calculator-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4b5563;
    margin-bottom: 0.5rem;
}

.calculator-input,
.calculator-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.9375rem;
    background: white;
    font-family: inherit;
}

.calculator-input:focus,
.calculator-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.calculator-results {
    background: #f8fafc;
    border-radius: 12px;
    padding: 1.5rem;
    aria-live: polite;
    aria-atomic: true;
}

.calculator-results h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.calculator-results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.calculator-result-card {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
}

.calculator-result-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.calculator-result-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.calculator-result-value--standard {
    color: #ef4444;
}

.calculator-result-value--treaty {
    color: #10b981;
}

.calculator-result-value--amount {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1f2937;
}

.calculator-savings-box {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1.25rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1rem;
}

.calculator-savings-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    opacity: 0.9;
    margin-bottom: 0.25rem;
}

.calculator-savings-amount {
    font-size: 2rem;
    font-weight: 800;
}

.calculator-net-income-box {
    background: white;
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1rem;
}

.calculator-net-income-label {
    font-size: 0.75rem;
    color: #6b7280;
    text-transform: uppercase;
    margin-bottom: 0.25rem;
}

.calculator-net-income-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
}

.calculator-disclaimer {
    background: #fffbeb;
    border: 1px solid #fbbf24;
    border-radius: 8px;
    padding: 0.75rem;
    text-align: center;
}

.calculator-disclaimer p {
    margin: 0;
    font-size: 0.75rem;
    color: #92400e;
}

.calculator-cta-box {
    margin-top: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-radius: 12px;
    text-align: center;
}

.calculator-cta-box h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin: 0 0 0.5rem 0;
}

.calculator-cta-box p {
    color: rgba(255,255,255,0.8);
    margin: 0 0 1rem 0;
    font-size: 0.9375rem;
}

.calculator-cta-box .calculator-cta-note {
    color: rgba(255,255,255,0.6);
    margin: 0.75rem 0 0;
    font-size: 0.8125rem;
}

@media (max-width: 768px) {
    .calculator-form-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-form-row {
        grid-template-columns: 1fr;
    }
    
    .calculator-results-grid {
        grid-template-columns: 1fr;
    }
}