/* ==========================================================================
   Great Dyke Fintech - Pre-Launch Landing Page Styles
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* Colors - GDF Brand Palette */
    --color-forest-green: #1b8336;
    --color-gray-nurse: #f5f7f5;
    --color-heavy-metal: #1b1c1a;
    --color-gray: #838383;
    --color-summer-green: #8bbf98;
    --color-fuscous-gray: #424241;
    --color-surf: #c0dbc6;
    --color-aqua-forest: #58a46b;
    
    /* Colors - Primary Palette */
    --color-primary: #1b8336;
    --color-primary-dark: #156829;
    --color-primary-light: #58a46b;
    
    --color-secondary: #8bbf98;
    --color-secondary-dark: #58a46b;
    --color-secondary-light: #c0dbc6;
    
    --color-accent: #58a46b;
    --color-accent-dark: #1b8336;
    
    /* Colors - Neutrals */
    --color-background: #ffffff;
    --color-surface: #f5f7f5;
    --color-surface-dark: #c0dbc6;
    
    --color-text: #1b1c1a;
    --color-text-secondary: #424241;
    --color-text-tertiary: #838383;
    --color-text-inverse: #ffffff;
    
    --color-border: #c0dbc6;
    --color-border-light: #f5f7f5;
    
    /* Colors - Semantic */
    --color-success: #1b8336;
    --color-error: #dc3545;
    --color-warning: #ffc107;
    --color-info: #58a46b;
    
    /* Typography */
    --font-family-base: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-family-heading: 'Montserrat', 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-lg: 1.125rem;     /* 18px */
    --font-size-xl: 1.25rem;      /* 20px */
    --font-size-2xl: 1.5rem;      /* 24px */
    --font-size-3xl: 1.875rem;    /* 30px */
    --font-size-4xl: 2.25rem;     /* 36px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.75rem;     /* 60px */
    
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    
    /* Spacing */
    --spacing-xs: 0.5rem;      /* 8px */
    --spacing-sm: 0.75rem;     /* 12px */
    --spacing-md: 1rem;        /* 16px */
    --spacing-lg: 1.5rem;      /* 24px */
    --spacing-xl: 2rem;        /* 32px */
    --spacing-2xl: 3rem;       /* 48px */
    --spacing-3xl: 4rem;       /* 64px */
    --spacing-4xl: 6rem;       /* 96px */
    
    /* Layout */
    --container-max-width: 1200px;
    --container-padding: 1.5rem;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
    
    /* Z-index */
    --z-nav: 1000;
    --z-dropdown: 1010;
    --z-modal: 1020;
}

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

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

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-dark);
}

ul, ol {
    list-style: none;
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

section {
    padding: var(--spacing-4xl) 0;
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    z-index: var(--z-nav);
    transition: background-color var(--transition-base);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.nav__logo {
    display: flex;
    align-items: center;
    height: 40px;
}

.nav__logo-img {
    height: 100%;
    width: auto;
    max-height: 40px;
    transition: opacity var(--transition-fast);
}

.nav__logo:hover .nav__logo-img {
    opacity: 0.85;
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.nav__toggle-icon {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    position: relative;
    transition: background-color var(--transition-fast);
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    left: 0;
    transition: transform var(--transition-fast);
}

.nav__toggle-icon::before { top: -8px; }
.nav__toggle-icon::after { bottom: -8px; }

.nav__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__link {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

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

.nav__link--cta {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.nav__link--cta:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-xl);
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: 600;
    letter-spacing: 0.01em;
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

.btn--large {
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

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

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    padding-top: calc(var(--spacing-4xl) + 60px);
    padding-bottom: var(--spacing-4xl);
    background: linear-gradient(135deg, #f5f7f5 0%, #c0dbc6 100%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__content {
    max-width: 600px;
}

.hero__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: var(--line-height-tight);
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-family: var(--font-family-base);
    font-size: var(--font-size-xl);
    font-weight: 400;
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.hero__disclaimer {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    font-style: italic;
}

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

.hero__image-placeholder {
    width: 100%;
    max-width: 500px;
    aspect-ratio: 1;
    background: linear-gradient(135deg, var(--color-aqua-forest), var(--color-summer-green));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.hero__image-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-inverse);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
    margin-bottom: var(--spacing-3xl);
}

.section-header--centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--spacing-3xl);
}

.section-header__title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

.section-header__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   Problem / Solution Section
   ========================================================================== */
.problem-solution {
    background-color: var(--color-background);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.card {
    background-color: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

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

.card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.card__content p {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-md);
}

.card__problem {
    color: var(--color-text-secondary);
}

.card__solution {
    color: var(--color-text);
}

/* ==========================================================================
   Features Section
   ========================================================================== */
.features {
    background-color: var(--color-surface);
}

.feature-blocks {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.feature-block--reverse {
    direction: rtl;
}

.feature-block--reverse > * {
    direction: ltr;
}

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

.feature-block__icon {
    font-size: 120px;
    width: 200px;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-aqua-forest), var(--color-summer-green));
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.feature-block__content {
    max-width: 550px;
}

.feature-block__title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
}

.feature-block__description {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

.feature-block__list {
    list-style: none;
    padding: 0;
}

.feature-block__list li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.feature-block__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: var(--font-weight-bold);
}

.features__cta {
    text-align: center;
    margin-top: var(--spacing-3xl);
}

/* ==========================================================================
   How It Works Section
   ========================================================================== */
.how-it-works {
    background-color: var(--color-background);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--color-forest-green), var(--color-summer-green));
}

.timeline-item {
    position: relative;
    padding-left: var(--spacing-4xl);
    margin-bottom: var(--spacing-3xl);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item__marker {
    position: absolute;
    left: 0;
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    box-shadow: var(--shadow-md);
}

.timeline-item__content {
    background-color: var(--color-surface);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
}

.timeline-item__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.timeline-item__description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* ==========================================================================
   Remittance Section
   ========================================================================== */
.remittance {
    background-color: var(--color-surface);
}

.corridors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.corridor-card {
    background-color: var(--color-background);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
    transition: all var(--transition-base);
}

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

.corridor-card__flag {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.corridor-card__title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.corridor-card__description {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.remittance__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.remittance-feature {
    text-align: center;
    padding: var(--spacing-xl);
}

.remittance-feature__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.remittance-feature__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.remittance-feature__description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.remittance__cta {
    text-align: center;
    padding: var(--spacing-2xl);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
}

.remittance__cta-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Credit Builder Section
   ========================================================================== */
.credit-builder {
    background-color: var(--color-background);
}

.credit-explainer {
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    padding: var(--spacing-2xl);
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.credit-explainer__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.credit-explainer__text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
}

.credit-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.credit-feature-card {
    background-color: var(--color-surface);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: all var(--transition-base);
}

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

.credit-feature-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.credit-feature-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
}

.credit-feature-card__description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

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

/* ==========================================================================
   Community Section
   ========================================================================== */
.community {
    background-color: var(--color-surface);
}

.community-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4xl);
}

.community-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-xl);
}

.value-card {
    background-color: var(--color-background);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    text-align: center;
    transition: all var(--transition-base);
}

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

.value-card__icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.value-card__title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.value-card__description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.community-partners {
    text-align: center;
    padding: var(--spacing-3xl);
    background-color: var(--color-background);
    border-radius: var(--radius-lg);
}

.community-partners__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
}

.community-partners__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.community-partners__logos {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 150px;
}

.partner-logo-placeholder {
    padding: var(--spacing-2xl) var(--spacing-3xl);
    background-color: var(--color-surface);
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
    font-style: italic;
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */
.faq {
    background-color: var(--color-background);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

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

.faq-item__question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    transition: color var(--transition-fast);
}

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

.faq-item__icon {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-normal);
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item__question[aria-expanded="true"] .faq-item__icon {
    transform: rotate(45deg);
}

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

.faq-item__answer p {
    padding-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
}

.faq-item__question[aria-expanded="true"] + .faq-item__answer {
    max-height: 500px;
}

/* ==========================================================================
   Waitlist Section
   ========================================================================== */
.waitlist {
    background: linear-gradient(135deg, var(--color-forest-green), var(--color-aqua-forest));
    color: var(--color-text-inverse);
}

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

.waitlist__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.waitlist__title {
    font-size: var(--font-size-4xl);
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-md);
}

.waitlist__subtitle {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.waitlist__social-proof {
    font-size: var(--font-size-base);
    color: rgba(255, 255, 255, 0.8);
    font-style: italic;
}

.waitlist-form {
    background-color: var(--color-background);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group--checkbox {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family-base);
    color: var(--color-text);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-checkbox {
    margin-top: 2px;
    cursor: pointer;
    width: 18px;
    height: 18px;
}

.checkbox-text {
    flex: 1;
}

.form-disclaimer {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-tertiary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--color-surface);
    border-radius: var(--radius-sm);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    text-align: center;
}

.form-message--success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message--error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: var(--color-heavy-metal);
    color: var(--color-text-inverse);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-4xl);
    margin-bottom: var(--spacing-3xl);
}

.footer__brand {
    max-width: 400px;
}

.footer__logo {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-sm);
}

.footer__tagline {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-md);
}

.footer__description {
    font-size: var(--font-size-base);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.7);
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-2xl);
}

.footer__column-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-md);
}

.footer__link-list,
.footer__social-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__link,
.footer__social-link {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer__link:hover,
.footer__social-link:hover {
    color: var(--color-text-inverse);
}

.footer__bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--spacing-sm);
}

.footer__notice {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.5);
    max-width: 800px;
    margin: 0 auto;
}

/* ==========================================================================
   Responsive Design - Tablet
   ========================================================================== */
@media (max-width: 1024px) {
    :root {
        --font-size-6xl: 3rem;
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .hero__container,
    .feature-block {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .hero__visual {
        order: -1;
    }

    .feature-block--reverse {
        direction: ltr;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: var(--spacing-3xl);
    }

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

/* ==========================================================================
   Responsive Design - Mobile
   ========================================================================== */
@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
        --spacing-4xl: 4rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
        --font-size-6xl: 2.5rem;
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
    }

    section {
        padding: var(--spacing-3xl) 0;
    }

    /* Navigation Mobile */
    .nav__toggle {
        display: block;
    }

    .nav__menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-background);
        flex-direction: column;
        align-items: stretch;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        padding: var(--spacing-md) 0;
        text-align: center;
    }

    .nav__link--cta {
        margin-top: var(--spacing-sm);
    }

    /* Hero */
    .hero {
        padding-top: calc(var(--spacing-3xl) + 60px);
    }

    .hero__title {
        font-size: var(--font-size-5xl);
    }

    .hero__cta {
        flex-direction: column;
    }

    /* Cards & Grids */
    .cards,
    .corridors,
    .remittance__features,
    .credit-features,
    .community-values {
        grid-template-columns: 1fr;
    }

    /* Timeline */
    .timeline::before {
        left: 20px;
    }

    .timeline-item {
        padding-left: var(--spacing-3xl);
    }

    .timeline-item__marker {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-lg);
    }

    /* Forms */
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Footer */
    .footer__links {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.hidden { display: none; }
.visible { display: block; }

/* Accessibility */
.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;
}