/* ==========================================
   AGERA TELECOM - WEBSITE CORPORATIVO
   Design System & Estilos Globais
   ========================================== */

/* ==========================================
   VARIÁVEIS CSS & DESIGN TOKENS
   ========================================== */
:root {
    /* Cores Primárias - Identidade Agera */
    --color-primary: #88A10B;
    --color-primary-dark: #6d810a;
    --color-primary-light: #a3bf0d;
    --color-primary-bg: rgba(136, 161, 11, 0.1);

    /* Cores Secundárias */
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-dark: #1a1a1a;
    --color-gray-darker: #333333;
    --color-gray-dark: #4a4a4a;
    --color-gray: #6b6b6b;
    --color-gray-light: #9b9b9b;
    --color-gray-lighter: #d4d4d4;
    --color-gray-lightest: #f5f5f5;

    /* Cores de Status */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;

    /* Tipografia */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-headings: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Tamanhos de Fonte (Fluid Typography) */
    --font-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-sm: clamp(0.875rem, 0.825rem + 0.25vw, 1rem);
    --font-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --font-lg: clamp(1.125rem, 1.05rem + 0.375vw, 1.375rem);
    --font-xl: clamp(1.25rem, 1.15rem + 0.5vw, 1.75rem);
    --font-2xl: clamp(1.5rem, 1.3rem + 1vw, 2.25rem);
    --font-3xl: clamp(2rem, 1.6rem + 2vw, 3rem);
    --font-4xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);

    /* Espaçamento (Sistema 8px) */
    --space-xs: 0.5rem;
    /* 8px */
    --space-sm: 1rem;
    /* 16px */
    --space-md: 1.5rem;
    /* 24px */
    --space-lg: 2rem;
    /* 32px */
    --space-xl: 3rem;
    /* 48px */
    --space-2xl: 4rem;
    /* 64px */
    --space-3xl: 6rem;
    /* 96px */
    --space-4xl: 8rem;
    /* 128px */

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

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

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

    /* Header */
    --header-height: 80px;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    /* Cores Primárias */
    --color-primary-bg: rgba(136, 161, 11, 0.2);

    /* Cores Secundárias */
    --color-white: #1a1a1a;
    --color-black: #ffffff;
    --color-dark: #f5f5f5;
    --color-gray-darker: #e5e5e5;
    --color-gray-dark: #d4d4d4;
    --color-gray: #a3a3a3;
    --color-gray-light: #737373;
    --color-gray-lighter: #404040;
    --color-gray-lightest: #262626;

    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   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-primary);
    font-size: var(--font-base);
    line-height: 1.6;
    color: var(--color-gray-darker);
    background-color: var(--color-white);
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
}

h1 {
    font-size: var(--font-4xl);
}

h2 {
    font-size: var(--font-3xl);
}

h3 {
    font-size: var(--font-2xl);
}

h4 {
    font-size: var(--font-xl);
}

h5 {
    font-size: var(--font-lg);
}

h6 {
    font-size: var(--font-base);
}

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

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

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

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

ul,
ol {
    list-style: none;
}

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

/* ==========================================
   UTILITY CLASSES
   ========================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

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

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

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

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.85);
    /* Semi-transparent white */
    backdrop-filter: blur(12px);
    /* Glass effect */
    -webkit-backdrop-filter: blur(12px);
    /* Safari support */
    box-shadow: none;
    /* No shadow initially */
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    /* Subtle border for separation */
    z-index: 1000;
    transition: all var(--transition-base);
    /* Smooth transition for everything */
}

[data-theme="dark"] .header {
    background: rgba(26, 26, 26, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.navbar {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand .logo {
    height: 45px;
    width: auto;
}

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

.nav-link {
    font-weight: 500;
    color: var(--color-gray-dark);
    transition: color var(--transition-base);
    padding: var(--space-xs) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav-link:hover::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-white);
    min-width: 220px;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--space-xs) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-link {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--color-gray-dark);
    font-size: var(--font-sm);
    transition: all var(--transition-fast);
}

.dropdown-link:hover {
    background: var(--color-gray-lightest);
    color: var(--color-primary);
}

.dropdown-arrow {
    font-size: 0.7em;
    margin-left: 4px;
    display: inline-block;
    transition: transform var(--transition-base);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

/* Theme Toggle Button */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    color: var(--color-gray-dark);
    transition: all var(--transition-base);
    background-color: var(--color-gray-lightest);
}

.theme-toggle:hover {
    background-color: var(--color-gray-lighter);
    color: var(--color-primary);
}

[data-theme="dark"] .theme-toggle {
    background-color: var(--color-gray-lighter);
    color: var(--color-white);
}

[data-theme="dark"] .theme-toggle:hover {
    background-color: var(--color-gray-light);
    color: var(--color-primary);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 10;
}

.hamburger {
    width: 30px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 3px;
    background-color: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

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

.hamburger::after {
    top: 8px;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 0.75rem 1.5rem;
    font-family: var(--font-primary);
    font-size: var(--font-base);
    font-weight: 600;
    line-height: 1;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: var(--font-sm);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: var(--font-lg);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 20px;
    height: 20px;
}

/* ==========================================
   BADGES
   ========================================== */
.badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    font-size: var(--font-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
}

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

/* ==========================================
   SECTION HEADERS
   ========================================== */
.section-header-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    margin-bottom: var(--space-md);
    color: #1a1a1a !important;
    /* Force dark color (hex) */
}

.section-subtitle {
    font-size: var(--font-lg);
    color: #4a4a4a !important;
    /* Force dark gray (hex) */
    margin-bottom: 0;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    position: relative;
    padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-3xl);
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    overflow: hidden;
    color: var(--color-white);
    /* Increase min-height to accommodate tallest slide + stats freely */
    min-height: 900px;
    /* Ensure space */
    display: flex;
    align-items: center;
}

#tech-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.hero-slider {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    z-index: 2;
    /* Increased height to accommodate stats */
    height: 900px;
    display: flex;
    align-items: center;
}

.hero-slide {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
    /* Ensure slide fills the container */
    width: 100%;
    height: 100%;
}

.hero-slide.active {
    display: grid;
    opacity: 1;
    animation: fadeIn 0.5s ease;
}

/* Force stats color for visibility */
.stat-number {
    color: var(--color-white) !important;
}

.stat-label {
    color: rgba(255, 255, 255, 0.9) !important;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-image {
    animation: slideInRight 0.8s ease 0.2s both;
}

/* Slider Navigation */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-top: var(--space-2xl);
    z-index: 3;
    position: relative;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-dot.active {
    background: var(--color-primary);
    transform: scale(1.2);
}

.slider-arrow {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

/* Override existing hero text colors for dark background */
.hero-title,
.hero-subtitle {
    color: var(--color-white);
}

.hero-stats .stat-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 1rem;
    border-radius: var(--radius-md);
    backdrop-filter: blur(5px);
}

.hero-stats .stat-label {
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive */
@media (max-width: 992px) {
    .hero {
        min-height: auto;
        padding-top: calc(var(--header-height) + var(--space-lg));
        text-align: center;
    }

    .hero-slide {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

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

    .hero-cta {
        justify-content: center;
    }
}

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

.hero-text {
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: var(--font-xl);
    color: var(--color-gray);
    margin-bottom: var(--space-xl);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

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

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

.stat-number {
    font-size: var(--font-3xl);
    font-weight: 800;
    color: var(--color-primary);
    font-family: var(--font-headings);
}

.stat-label {
    font-size: var(--font-sm);
    color: var(--color-gray);
    margin-top: var(--space-xs);
}

.hero-image {
    animation: fadeInRight 0.8s ease 0.2s both;
}

.hero-image img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    width: 100%;
}

.hero-image img.hero-graphic {
    width: auto;
    max-width: 100%;
    max-height: 450px;
    border-radius: 0;
    box-shadow: none;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.4));
}

/* ==========================================
   0800 AGERA SECTION
   ========================================== */
.section-0800 {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--color-primary-bg) 0%, var(--color-white) 100%);
}

.grid-0800 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.benefit-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.benefit-icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
    color: var(--color-primary);
}

.benefit-title {
    font-size: var(--font-xl);
    margin-bottom: var(--space-sm);
}

.benefit-text {
    color: var(--color-gray);
    margin-bottom: 0;
}

.cta-center {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

/* ==========================================
   SOLUTIONS SECTION
   ========================================== */
.section-solutions {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.solution-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid var(--color-gray-lightest);
    position: relative;
}

.solution-card.featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-primary-bg) 100%);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-primary);
}

.solution-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: var(--font-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.solution-icon {
    width: 64px;
    height: 64px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.solution-title {
    font-size: var(--font-xl);
    margin-bottom: var(--space-sm);
}

.solution-description {
    color: var(--color-gray);
    margin-bottom: var(--space-md);
}

.solution-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-primary);
    font-weight: 600;
    transition: gap var(--transition-base);
}

.solution-link:hover {
    gap: var(--space-xs);
}

/* ==========================================
   CALCULATOR SECTION
   ========================================== */
.section-calculator {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-gray-lightest) 0%, var(--color-white) 50%, var(--color-primary-bg) 100%);
}

.calculator-wrapper {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.calculator-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-2xl);
    text-align: center;
}

.calculator-header .section-title,
.calculator-header .section-subtitle {
    color: var(--color-white);
}

.calculator-content {
    padding: var(--space-2xl);
}

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

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.calculator-input {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    font-size: var(--font-base);
    transition: border-color var(--transition-base);
}

.calculator-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.input-hint {
    font-size: var(--font-sm);
    color: var(--color-gray);
    margin-top: var(--space-xs);
}

.calculator-results {
    background: var(--color-gray-lightest);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    margin-top: var(--space-xl);
    display: none;
}

.calculator-results.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.result-item {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.result-competitor {
    border: 2px solid var(--color-danger);
}

.result-agera {
    border: 2px solid var(--color-primary);
}

.result-label {
    font-size: var(--font-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray);
    margin-bottom: var(--space-sm);
}

.result-value {
    font-size: var(--font-3xl);
    font-weight: 800;
    color: var(--color-dark);
    font-family: var(--font-headings);
    margin-bottom: var(--space-sm);
}

.result-breakdown {
    font-size: var(--font-sm);
    color: var(--color-gray);
}

.result-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

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

.savings-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: var(--space-2xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
}

.savings-label {
    font-size: var(--font-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-sm);
}

.savings-value {
    font-size: var(--font-4xl);
    font-weight: 900;
    font-family: var(--font-headings);
    margin-bottom: var(--space-xs);
}

.savings-percent {
    font-size: var(--font-2xl);
    font-weight: 700;
}

.savings-annual {
    font-size: var(--font-lg);
    color: var(--color-gray-dark);
}

.result-cta {
    margin-top: var(--space-xl);
    text-align: center;
}

/* ==========================================
   DIFFERENTIALS SECTION
   ========================================== */
.section-differentials {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.differential-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-gray-lightest);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.differential-card:hover {
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.differential-icon {
    width: 80px;
    height: 80px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.differential-title {
    font-size: var(--font-lg);
    margin-bottom: var(--space-sm);
}

.differential-text {
    color: var(--color-gray);
    margin-bottom: 0;
}

/* ==========================================
   CASES SECTION
   ========================================== */
.section-cases {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--color-gray-lightest) 0%, var(--color-white) 100%);
}

.cases-carousel {
    position: relative;
}

.cases-wrapper {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.cases-wrapper::-webkit-scrollbar {
    display: none;
}

.case-card {
    flex: 0 0 100%;
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    scroll-snap-align: center;
}

.case-header {
    position: relative;
    height: 250px;
}

.case-badge {
    position: absolute;
    top: var(--space-md);
    left: var(--space-md);
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: var(--font-sm);
}

.case-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-content {
    padding: var(--space-2xl);
}

.case-title {
    margin-bottom: var(--space-xl);
}

.case-stats {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.case-stat {
    padding: var(--space-md);
    background: var(--color-gray-lightest);
    border-radius: var(--radius-md);
}

.case-stat.highlight {
    background: linear-gradient(135deg, var(--color-primary-bg) 0%, var(--color-primary-light) 10%);
    border: 2px solid var(--color-primary);
}

.stat-label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--color-gray);
    margin-bottom: var(--space-xs);
}

.stat-value {
    color: var(--color-dark);
    font-weight: 500;
}

.stat-value-large {
    font-size: var(--font-2xl);
    font-weight: 800;
    color: var(--color-primary);
    font-family: var(--font-headings);
}

.stat-value-sub {
    font-size: var(--font-sm);
    color: var(--color-gray);
    margin-top: var(--space-xs);
}

.case-quote {
    font-style: italic;
    color: var(--color-gray-dark);
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-md);
    margin: var(--space-xl) 0;
}

.case-author {
    font-size: var(--font-sm);
    color: var(--color-gray);
}

.carousel-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--color-white);
    border: 2px solid var(--color-gray-lighter);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray);
    transition: all var(--transition-base);
    cursor: pointer;
}

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

.carousel-dots {
    display: flex;
    gap: var(--space-xs);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-full);
    background: var(--color-gray-lighter);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
}

.carousel-dot.active {
    background: var(--color-primary);
    width: 32px;
}

/* ==========================================
   COMPARISON SECTION
   ========================================== */
.section-comparison {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.comparison-table-wrapper {
    overflow-x: auto;
    margin-bottom: var(--space-xl);
}

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table thead {
    background: var(--color-gray-lightest);
}

.comparison-table th {
    padding: var(--space-lg);
    text-align: left;
    font-weight: 700;
    color: var(--color-dark);
    border-bottom: 2px solid var(--color-gray-lighter);
}

.comparison-table th.highlight-col {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
}

.company-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.company-header img {
    max-width: 120px;
}

.comparison-table td {
    padding: var(--space-lg);
    border-bottom: 1px solid var(--color-gray-lightest);
}

.comparison-table td.highlight-col {
    background: var(--color-primary-bg);
    font-weight: 600;
}

.comparison-table td.success {
    color: var(--color-success);
}

.comparison-table td.warning {
    color: var(--color-warning);
}

.comparison-table td.danger {
    color: var(--color-danger);
}

.icon-check,
.icon-x,
.icon-minus {
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--space-xs);
}

/* ==========================================
   SEGMENTS SECTION
   ========================================== */
.section-segments {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--color-gray-lightest) 0%, var(--color-white) 100%);
}

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

.segment-card {
    background: var(--color-white);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
}

.segment-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.segment-icon {
    width: 80px;
    height: 80px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    color: var(--color-primary);
}

.segment-title {
    font-size: var(--font-lg);
    margin-bottom: var(--space-sm);
}

.segment-description {
    color: var(--color-gray);
    margin-bottom: 0;
}

/* ==========================================
   TESTIMONIALS SECTION
   ========================================== */
.section-testimonials {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

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

.testimonial-card {
    background: var(--color-gray-lightest);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

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

.testimonial-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--space-md);
    color: #fbbf24;
}

.testimonial-text {
    font-size: var(--font-lg);
    line-height: 1.7;
    color: var(--color-gray-dark);
    margin-bottom: var(--space-lg);
}

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

.author-avatar img {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.author-name {
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

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

/* ==========================================
   FAQ SECTION
   ========================================== */
.section-faq {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--color-gray-lightest) 0%, var(--color-white) 100%);
}

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

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--color-dark);
    text-align: left;
    transition: color var(--transition-base);
}

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

.faq-icon {
    flex-shrink: 0;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 var(--space-lg) var(--space-lg);
}

.faq-answer p {
    color: var(--color-gray-dark);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.section-contact {
    padding: var(--space-3xl) 0;
    background-color: var(--color-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info {
    position: sticky;
    top: calc(var(--header-height) + var(--space-lg));
}

.contact-details {
    margin: var(--space-xl) 0;
}

.contact-item {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.contact-label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--color-gray);
    margin-bottom: 4px;
}

.contact-value {
    color: var(--color-dark);
    font-weight: 500;
}

.contact-benefits {
    margin-top: var(--space-xl);
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: var(--color-gray-dark);
}

.benefit-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Form Styles */
.contact-form {
    background: var(--color-gray-lightest);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-dark);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-lighter);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: var(--font-base);
    transition: border-color var(--transition-base);
    background: var(--color-white);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-input.error {
    border-color: var(--color-danger);
}

.form-error {
    display: none;
    color: var(--color-danger);
    font-size: var(--font-sm);
    margin-top: var(--space-xs);
}

.form-input.error+.form-error {
    display: block;
}

.form-checkbox {
    display: flex;
    align-items: start;
    gap: var(--space-sm);
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.form-checkbox label {
    font-weight: 400;
    cursor: pointer;
}

.link {
    color: var(--color-primary);
    text-decoration: underline;
}

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

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-success);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    margin-top: var(--space-lg);
}

.form-success.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.form-success svg {
    margin: 0 auto var(--space-md);
}

.form-success h3 {
    color: var(--color-white);
    margin-bottom: var(--space-sm);
}

.form-success p {
    margin-bottom: 0;
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--color-dark);
    color: var(--color-gray-light);
    padding: var(--space-3xl) 0 var(--space-lg);
}

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

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

.footer-description {
    color: var(--color-gray-light);
    margin-bottom: var(--space-md);
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-2px);
}

.footer-title {
    font-size: var(--font-lg);
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

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

.footer-links a {
    color: var(--color-gray-light);
    transition: color var(--transition-base);
}

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

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-contact li {
    display: flex;
    align-items: start;
    gap: var(--space-sm);
}

.footer-contact svg {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 2px;
}

.footer-certifications {
    margin-top: var(--space-lg);
}

.cert-badges {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.cert-badge {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
    font-weight: 600;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    text-align: center;
    font-size: var(--font-sm);
    color: var(--color-gray);
}

.footer-small {
    margin-top: var(--space-sm);
    font-size: var(--font-xs);
}

/* ==========================================
   WHATSAPP FLOAT BUTTON
   ========================================== */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 64px;
    height: 64px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    background: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 1);
    animation: none;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    :root {
        --space-3xl: 4rem;
        --space-4xl: 6rem;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .hero-image {
        order: -1;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .contact-info {
        position: static;
    }

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

    .footer-col.footer-brand {
        grid-column: 1 / -1;
    }
}

/* Mobile (320px - 767px) */
@media (max-width: 767px) {
    :root {
        --container-padding: 1rem;
        --header-height: 70px;
        --space-3xl: 3rem;
        --space-4xl: 4rem;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: var(--space-2xl) 0;
        gap: var(--space-md);
        transition: left var(--transition-slow);
        box-shadow: var(--shadow-lg);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link::after {
        display: none;
    }

    /* Hero */
    .hero {
        padding: calc(var(--header-height) + var(--space-2xl)) 0 var(--space-2xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    /* Sections */
    .section-header-center {
        margin-bottom: var(--space-2xl);
    }

    .grid-0800,
    .solutions-grid,
    .differentials-grid,
    .segments-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

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

    /* Calculator */
    .calculator-inputs {
        grid-template-columns: 1fr;
    }

    .result-comparison {
        grid-template-columns: 1fr;
    }

    .result-divider {
        transform: rotate(90deg);
    }

    /* Comparison Table */
    .comparison-table {
        font-size: var(--font-sm);
    }

    .comparison-table th,
    .comparison-table td {
        padding: var(--space-sm);
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-col.footer-brand {
        grid-column: 1;
    }

    /* WhatsApp Float */
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: var(--space-md);
        right: var(--space-md);
    }

    /* Buttons */
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: var(--font-base);
    }

    /* Case Cards */
    .case-card {
        flex: 0 0 90%;
    }
}

/* Small Mobile (< 480px) */
@media (max-width: 479px) {
    .hero-cta {
        width: 100%;
    }

    .btn-large {
        width: 100%;
    }

    .cta-center {
        flex-direction: column;
        align-items: stretch;
    }

    .whatsapp-float {
        width: 52px;
        height: 52px;
    }
}

/* Print Styles */
@media print {

    .header,
    .whatsapp-float,
    .nav-toggle {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .container {
        max-width: 100%;
    }
}