/* ===================================
   Estaci.one Landing Page Styles
   =================================== */

/* CSS Custom Properties */
:root {
    /* Brand Colors */
    --color-green-sage: #4A6E4B;
    --color-green-sage-dark: #3d5b3e;
    --color-green-sage-light: #5a8a5c;
    --color-navy: #182744;
    --color-navy-light: #243654;
    --color-white: #FFFFFF;

    /* Neutral Colors */
    --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;

    /* Semantic Colors */
    --color-success: #22C55E;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;

    /* Header */
    --header-height: 72px;
}

/* Dark Mode Variables */
@media (prefers-color-scheme: dark) {
    :root {
        --color-gray-50: #0F172A;
        --color-gray-100: #1E293B;
        --color-gray-200: #334155;
        --color-gray-300: #475569;
        --color-gray-400: #64748B;
        --color-gray-500: #94A3B8;
        --color-gray-600: #CBD5E1;
        --color-gray-700: #E2E8F0;
        --color-gray-800: #F1F5F9;
        --color-gray-900: #F8FAFC;
    }
}

/* ===================================
   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);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
}

@media (prefers-color-scheme: dark) {
    body {
        color: var(--color-gray-300);
        background-color: var(--color-gray-900);
    }
}

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

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

ul, ol {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===================================
   Typography
   =================================== */

h1, h2, h3, h4, h5, h6 {
    color: var(--color-gray-900);
    font-weight: 700;
    line-height: 1.2;
}

@media (prefers-color-scheme: dark) {
    h1, h2, h3, h4, h5, h6 {
        color: var(--color-gray-100);
    }
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-lg);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 110, 75, 0.3);
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
    flex-shrink: 0;
}

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

.btn-primary:hover {
    background-color: var(--color-green-sage-dark);
    border-color: var(--color-green-sage-dark);
    transform: translateY(-1px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-green-sage);
    border-color: var(--color-green-sage);
}

.btn-outline:hover {
    background-color: var(--color-green-sage);
    color: var(--color-white);
}

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

.btn-white:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-100);
    transform: translateY(-1px);
}

.btn-enterprise {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-green-sage) 100%);
    color: var(--color-white);
    border-color: transparent;
}

.btn-enterprise:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
}

.btn-block {
    width: 100%;
}

/* ===================================
   Header
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 1000;
    transition: all var(--transition-base);
}

@media (prefers-color-scheme: dark) {
    .header {
        background-color: rgba(15, 23, 42, 0.95);
        border-bottom-color: var(--color-gray-800);
    }
}

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

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-navy);
}

@media (prefers-color-scheme: dark) {
    .logo {
        color: var(--color-white);
    }
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    color: var(--color-green-sage);
}

.nav {
    display: none;
}

@media (min-width: 768px) {
    .nav {
        display: block;
    }
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-green-sage);
}

@media (prefers-color-scheme: dark) {
    .nav-link {
        color: var(--color-gray-400);
    }

    .nav-link:hover {
        color: var(--color-green-sage-light);
    }
}

.btn-header {
    display: none;
}

@media (min-width: 768px) {
    .btn-header {
        display: inline-flex;
    }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

@media (min-width: 768px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

@media (prefers-color-scheme: dark) {
    .hamburger,
    .hamburger::before,
    .hamburger::after {
        background-color: var(--color-gray-300);
    }
}

/* Mobile Menu Open State */
.mobile-menu-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Mobile Navigation */
.nav.mobile-open {
    display: block;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-lg);
}

@media (prefers-color-scheme: dark) {
    .nav.mobile-open {
        background-color: var(--color-gray-900);
        border-bottom-color: var(--color-gray-800);
    }
}

.nav.mobile-open .nav-list {
    flex-direction: column;
    gap: var(--spacing-4);
}

.nav.mobile-open .nav-link {
    font-size: var(--font-size-lg);
    padding: var(--spacing-2) 0;
}

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

.hero {
    padding-top: calc(var(--header-height) + var(--spacing-16));
    padding-bottom: var(--spacing-20);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 50%, rgba(74, 110, 75, 0.05) 100%);
    overflow: hidden;
}

@media (prefers-color-scheme: dark) {
    .hero {
        background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-navy) 100%);
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-12);
    align-items: center;
}

@media (min-width: 992px) {
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
}

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

@media (min-width: 992px) {
    .hero-content {
        text-align: left;
    }
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    margin-bottom: var(--spacing-6);
    line-height: 1.1;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-5xl);
    }
}

@media (min-width: 992px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.hero-title .highlight {
    color: var(--color-green-sage);
    display: block;
}

@media (min-width: 768px) {
    .hero-title .highlight {
        display: inline;
    }
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-8);
    max-width: 540px;
}

@media (min-width: 992px) {
    .hero-subtitle {
        margin-left: 0;
        margin-right: auto;
    }
}

@media (prefers-color-scheme: dark) {
    .hero-subtitle {
        color: var(--color-gray-400);
    }
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    align-items: center;
}

@media (min-width: 480px) {
    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 992px) {
    .hero-cta {
        justify-content: flex-start;
    }
}

/* Dashboard Preview */
.hero-visual {
    display: flex;
    justify-content: center;
}

.dashboard-preview {
    width: 100%;
    max-width: 500px;
    background-color: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--color-gray-200);
}

@media (prefers-color-scheme: dark) {
    .dashboard-preview {
        background-color: var(--color-gray-800);
        border-color: var(--color-gray-700);
    }
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    background-color: var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-200);
}

@media (prefers-color-scheme: dark) {
    .dashboard-header {
        background-color: var(--color-gray-900);
        border-bottom-color: var(--color-gray-700);
    }
}

.dashboard-dots {
    display: flex;
    gap: var(--spacing-2);
}

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

.dashboard-dots span:first-child {
    background-color: #EF4444;
}

.dashboard-dots span:nth-child(2) {
    background-color: #F59E0B;
}

.dashboard-dots span:last-child {
    background-color: #22C55E;
}

.dashboard-title {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.dashboard-content {
    padding: var(--spacing-6);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-4);
}

.stat-card {
    background-color: var(--color-gray-50);
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    text-align: center;
}

@media (prefers-color-scheme: dark) {
    .stat-card {
        background-color: var(--color-gray-900);
    }
}

.stat-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-1);
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-green-sage);
}

.chart-placeholder {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100px;
    padding: var(--spacing-4);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
    gap: var(--spacing-2);
}

@media (prefers-color-scheme: dark) {
    .chart-placeholder {
        background-color: var(--color-gray-900);
    }
}

.chart-bar {
    flex: 1;
    background: linear-gradient(180deg, var(--color-green-sage) 0%, var(--color-green-sage-light) 100%);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    height: var(--height);
    animation: growBar 1s ease-out forwards;
    transform-origin: bottom;
}

@keyframes growBar {
    from {
        transform: scaleY(0);
    }
    to {
        transform: scaleY(1);
    }
}

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

.features {
    padding: var(--spacing-24) 0;
    background-color: var(--color-white);
}

@media (prefers-color-scheme: dark) {
    .features {
        background-color: var(--color-gray-900);
    }
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-16);
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
    .section-title {
        font-size: var(--font-size-4xl);
    }
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
}

@media (prefers-color-scheme: dark) {
    .section-subtitle {
        color: var(--color-gray-400);
    }
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 640px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.feature-card {
    padding: var(--spacing-8);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

@media (prefers-color-scheme: dark) {
    .feature-card {
        background-color: var(--color-gray-800);
        border-color: var(--color-gray-700);
    }
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-green-sage) 0%, var(--color-green-sage-light) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-white);
}

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

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

@media (prefers-color-scheme: dark) {
    .feature-description {
        color: var(--color-gray-400);
    }
}

/* ===================================
   Stats Section
   =================================== */

.stats {
    padding: var(--spacing-16) 0;
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-green-sage) 100%);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    text-align: center;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-item {
    color: var(--color-white);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    display: inline;
}

.stat-suffix {
    font-size: var(--font-size-3xl);
    font-weight: 700;
}

.stat-text {
    display: block;
    font-size: var(--font-size-base);
    opacity: 0.9;
    margin-top: var(--spacing-2);
}

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

.pricing {
    padding: var(--spacing-24) 0;
    background-color: var(--color-gray-50);
}

@media (prefers-color-scheme: dark) {
    .pricing {
        background-color: var(--color-gray-800);
    }
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
}

@media (min-width: 640px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .pricing-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.pricing-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-8);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    border: 2px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

@media (prefers-color-scheme: dark) {
    .pricing-card {
        background-color: var(--color-gray-900);
        border-color: var(--color-gray-700);
    }
}

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

.pricing-card.popular {
    border-color: var(--color-green-sage);
    transform: scale(1.02);
}

@media (min-width: 992px) {
    .pricing-card.popular {
        transform: scale(1.05);
    }
}

.pricing-card.popular:hover {
    transform: scale(1.02) translateY(-4px);
}

@media (min-width: 992px) {
    .pricing-card.popular:hover {
        transform: scale(1.05) translateY(-4px);
    }
}

.pricing-card.enterprise {
    border-color: var(--color-navy);
    background: linear-gradient(135deg, rgba(24, 39, 68, 0.02) 0%, rgba(74, 110, 75, 0.02) 100%);
}

@media (prefers-color-scheme: dark) {
    .pricing-card.enterprise {
        background: linear-gradient(135deg, rgba(24, 39, 68, 0.3) 0%, rgba(74, 110, 75, 0.3) 100%);
    }
}

.popular-badge,
.enterprise-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-1) var(--spacing-4);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.popular-badge {
    background-color: var(--color-green-sage);
    color: var(--color-white);
}

.enterprise-badge {
    background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-green-sage) 100%);
    color: var(--color-white);
}

.pricing-header {
    margin-bottom: var(--spacing-6);
}

.pricing-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-1);
}

.pricing-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.pricing-price {
    margin-bottom: var(--spacing-4);
}

.price-currency {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-500);
    vertical-align: top;
}

.price-value {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-gray-900);
    line-height: 1;
}

@media (prefers-color-scheme: dark) {
    .price-value {
        color: var(--color-gray-100);
    }
}

.price-period {
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
}

.enterprise-price .price-custom {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-navy);
}

@media (prefers-color-scheme: dark) {
    .enterprise-price .price-custom {
        color: var(--color-green-sage-light);
    }
}

.pricing-tickets {
    padding: var(--spacing-4) 0;
    margin-bottom: var(--spacing-4);
    border-top: 1px solid var(--color-gray-200);
    border-bottom: 1px solid var(--color-gray-200);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

@media (prefers-color-scheme: dark) {
    .pricing-tickets {
        border-color: var(--color-gray-700);
        color: var(--color-gray-400);
    }
}

.pricing-tickets strong {
    color: var(--color-green-sage);
    font-size: var(--font-size-lg);
}

.pricing-excess {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    margin-top: var(--spacing-1);
}

.pricing-features {
    flex: 1;
    margin-bottom: var(--spacing-8);
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

@media (prefers-color-scheme: dark) {
    .pricing-features li {
        color: var(--color-gray-400);
    }
}

.pricing-features li svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.pricing-features li.included svg {
    color: var(--color-success);
}

.pricing-features li.excluded {
    color: var(--color-gray-400);
}

.pricing-features li.excluded svg {
    color: var(--color-gray-400);
}

.pricing-features li.highlight {
    color: var(--color-green-sage);
    font-weight: 500;
}

@media (prefers-color-scheme: dark) {
    .pricing-features li.highlight {
        color: var(--color-green-sage-light);
    }
}

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

.cta {
    padding: var(--spacing-24) 0;
    background: linear-gradient(135deg, var(--color-green-sage) 0%, var(--color-navy) 100%);
    text-align: center;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-3xl);
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

@media (min-width: 768px) {
    .cta-title {
        font-size: var(--font-size-4xl);
    }
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-8);
}

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

.footer {
    padding: var(--spacing-16) 0 var(--spacing-8);
    background-color: #0F172A;
    color: #94A3B8;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: var(--spacing-4);
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.footer-description {
    font-size: var(--font-size-sm);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: #FFFFFF;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

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

.footer-links a {
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-green-sage-light);
}

.footer-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-success);
    transition: opacity var(--transition-fast);
}

.footer-whatsapp:hover {
    opacity: 0.8;
}

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

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid #1E293B;
    text-align: center;
    font-size: var(--font-size-sm);
}

.footer-bottom p {
    margin-bottom: var(--spacing-2);
}

.footer-legal {
    font-size: var(--font-size-xs);
    color: #64748B;
    margin-top: var(--spacing-2);
}

/* ===================================
   Floating WhatsApp Button
   =================================== */

.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    color: var(--color-white);
}

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

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for grid items */
.features-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.features-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.features-grid .fade-in:nth-child(3) { transition-delay: 0.2s; }
.features-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }
.features-grid .fade-in:nth-child(5) { transition-delay: 0.4s; }
.features-grid .fade-in:nth-child(6) { transition-delay: 0.5s; }

.pricing-grid .fade-in:nth-child(1) { transition-delay: 0s; }
.pricing-grid .fade-in:nth-child(2) { transition-delay: 0.1s; }
.pricing-grid .fade-in:nth-child(3) { transition-delay: 0.2s; }
.pricing-grid .fade-in:nth-child(4) { transition-delay: 0.3s; }

/* ===================================
   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;
}