/*
 * Infinity Operadora de Saúde - Modern CSS
 * Material Design + Tailwind inspired
 * Optimized for SEO, UX and Performance
 */

/* ===== CSS RESET & BASE ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colors - Material Design inspired */
    --primary-50: #f0fdfa;
    --primary-100: #ccfbf1;
    --primary-200: #99f6e4;
    --primary-300: #5eead4;
    --primary-400: #2dd4bf;
    --primary-500: #11747a;
    --primary-600: #0e5f64;
    --primary-700: #0f4c4f;
    --primary-800: #134e4a;
    --primary-900: #042f2e;
    
    /* Semantic colors */
    --color-primary: var(--primary-500);
    --color-primary-dark: var(--primary-600);
    --color-primary-light: var(--primary-400);
    --color-accent: #ff6b35;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* Neutral colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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 */
    
    /* Spacing */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    --space-16: 4rem;     /* 64px */
    --space-20: 5rem;     /* 80px */
    --space-24: 6rem;     /* 96px */
    
    /* Border radius */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadows - Material Design */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Z-index scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Base styles */
html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    tab-size: 4;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    border-radius: var(--radius-md);
    text-decoration: none;
    z-index: 100;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 6px;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-4);
}

@media (min-width: 640px) {
    .container { padding: 0 var(--space-6); }
}

@media (min-width: 1024px) {
    .container { padding: 0 var(--space-8); }
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-200);
    transition: all var(--transition-normal);
}

.navbar {
    padding: var(--space-4) 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-8);
}

/* Logo */
.navbar-brand {
    flex-shrink: 0;
    z-index: 2;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

/* Navigation */
.navbar-menu {
    display: none;
    flex: 1;
    justify-content: center;
}

@media (min-width: 1024px) {
    .navbar-menu {
        display: flex;
    }
}

.navbar-nav {
    display: flex;
    list-style: none;
    gap: var(--space-2);
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-link .material-symbols-outlined {
    font-size: 18px;
    opacity: 0.8;
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--primary-50);
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--color-primary);
    background: var(--primary-100);
    font-weight: 600;
}

/* Navbar Actions */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-shrink: 0;
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.navbar-toggle:hover {
    background: var(--gray-100);
}

@media (min-width: 1024px) {
    .navbar-toggle {
        display: none;
    }
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    margin: 2px 0;
    transition: all var(--transition-fast);
    border-radius: 1px;
}

/* Mobile Menu */
@media (max-width: 1023px) {
    .navbar-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
        box-shadow: var(--shadow-xl);
        transform: translateY(-10px);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        margin-top: var(--space-2);
    }
    
    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar-nav {
        flex-direction: column;
        gap: 0;
        padding: var(--space-4);
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-link {
        padding: var(--space-4) var(--space-6);
        border-radius: var(--radius-lg);
        justify-content: flex-start;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--primary-700));
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-1px);
}

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

.btn-xl {
    padding: var(--space-5) var(--space-10);
    font-size: var(--font-size-lg);
    border-radius: var(--radius-xl);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 100%);
}

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

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    background-size: 400px 400px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(17, 116, 122, 0.9) 0%, rgba(14, 95, 100, 0.8) 100%);
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
    min-height: 80vh;
    padding: var(--space-20) 0;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

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

@media (min-width: 1024px) {
    .hero-text {
        text-align: left;
    }
}

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

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

@media (min-width: 1024px) {
    .hero-title {
        font-size: var(--font-size-6xl);
    }
}

.title-line {
    display: block;
}

.highlight {
    background: linear-gradient(45deg, var(--color-accent), #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 1024px) {
    .hero-description {
        margin-left: 0;
        margin-right: 0;
    }
}

.hero-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

@media (min-width: 640px) {
    .hero-actions {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .hero-actions {
        justify-content: flex-start;
    }
}

.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
    justify-content: center;
}

@media (min-width: 1024px) {
    .trust-indicators {
        justify-content: flex-start;
    }
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.trust-item .material-symbols-outlined {
    font-size: 20px;
    color: var(--color-accent);
}

/* Hero Stats */
.hero-stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 640px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), #fbbf24, var(--color-accent));
}

.stat-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.stat-icon {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    opacity: 0.3;
}

.stat-icon .material-symbols-outlined {
    font-size: 32px;
}

/* ===== SECTIONS ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--primary-100);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

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

.section-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: var(--space-20) 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.about-item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.about-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: var(--shadow-md);
}

.about-icon .material-symbols-outlined {
    font-size: 24px;
}

.about-info h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.about-info p {
    color: var(--gray-600);
    line-height: 1.6;
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image:hover img {
    transform: scale(1.05);
}

/* ===== PLANS SECTION ===== */
.plans {
    padding: var(--space-20) 0;
    background: var(--gray-50);
}

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

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

@media (min-width: 1024px) {
    .plans-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.plan-card {
    background: white;
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

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

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

.plan-card.featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.plan-card.featured::before {
    height: 6px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary), var(--color-accent));
}

/* ===== CALCULATOR CTA ===== */
.calculator-cta {
    padding: var(--space-20) 0;
    background: linear-gradient(135deg, var(--primary-800) 0%, var(--primary-600) 100%);
    position: relative;
    overflow: hidden;
}

.calculator-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    background-size: 600px 600px;
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (min-width: 1024px) {
    .cta-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

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

@media (min-width: 1024px) {
    .cta-text {
        text-align: left;
    }
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: white;
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.cta-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

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

@media (min-width: 640px) {
    .cta-features {
        grid-template-columns: repeat(4, 1fr);
    }
}

.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-fast);
}

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

.feature-item .material-symbols-outlined {
    font-size: 24px;
    color: var(--color-accent);
}

.feature-item span:last-child {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: white;
}

.cta-action {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.cta-note {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--font-size-sm);
}

.cta-note .material-symbols-outlined {
    font-size: 16px;
    color: var(--color-accent);
}

/* ===== BLOG SECTION ===== */
.blog {
    padding: var(--space-20) 0;
    background: white;
}

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

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

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: var(--space-20) 0;
    background: var(--gray-50);
}

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

.faq-item {
    background: white;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    padding: var(--space-6);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--gray-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: color var(--transition-fast);
}

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

.faq-question .material-symbols-outlined {
    font-size: 24px;
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question .material-symbols-outlined {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--space-6) var(--space-6);
    color: var(--gray-600);
    line-height: 1.6;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: var(--space-20) 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
}

@media (min-width: 1024px) {
    .contact-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}

.contact-item {
    display: flex;
    gap: var(--space-4);
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.contact-details h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-1);
}

.contact-details a,
.contact-details p {
    color: var(--gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.contact-details a:hover {
    color: var(--color-primary);
}

/* Form */
.form-modern {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    background: var(--gray-50);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
}

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

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background: white;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(17, 116, 122, 0.1);
}

.form-group textarea {
    resize: vertical;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-300);
    padding: var(--space-16) 0 var(--space-8);
}

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

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-16);
    }
}

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

.footer-description {
    color: var(--gray-400);
    line-height: 1.6;
    margin-bottom: var(--space-6);
}

.social-links {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--gray-800);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    text-decoration: none;
    transition: all var(--transition-fast);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

@media (min-width: 640px) {
    .footer-links {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-column h4 {
    color: white;
    font-weight: 700;
    margin-bottom: var(--space-4);
    font-size: var(--font-size-lg);
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: var(--space-2);
}

.footer-column a {
    color: var(--gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--space-8);
}

.footer-bottom .container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    align-items: center;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom .container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-copyright {
    color: var(--gray-500);
    font-size: var(--font-size-sm);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

@media (min-width: 768px) {
    .footer-legal {
        justify-content: flex-end;
    }
}

.footer-legal a {
    color: var(--gray-500);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.ans-badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-primary);
    color: white;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ===== FLOATING WHATSAPP ===== */
.floating-whatsapp {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-fixed);
}

.whatsapp-button {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: #25d366;
    color: white;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-full);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-size-sm);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    animation: pulse 2s infinite;
}

.whatsapp-button:hover {
    background: #128c7e;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.whatsapp-button i {
    font-size: 20px;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: var(--z-modal);
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-container {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow: hidden;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    padding: var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.modal-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-light), var(--color-accent), var(--color-primary-light));
}

.modal-header-content {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.modal-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon .material-symbols-outlined {
    font-size: 24px;
}

.modal-title h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.modal-title p {
    margin: var(--space-1) 0 0 0;
    opacity: 0.9;
    font-size: var(--font-size-sm);
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: var(--font-size-xl);
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-full);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--space-6);
    max-height: 60vh;
    overflow-y: auto;
}

/* Progress */
.progress-container {
    margin-bottom: var(--space-8);
}

.progress-bar {
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    width: 33.33%;
    transition: width var(--transition-normal);
    border-radius: var(--radius-sm);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    flex: 1;
    text-align: center;
}

.step-number {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--gray-200);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.step.active .step-number {
    background: var(--color-primary);
    color: white;
}

.step.completed .step-number {
    background: var(--color-success);
    color: white;
}

.step-label {
    font-size: var(--font-size-xs);
    color: var(--gray-600);
    font-weight: 500;
}

.step.active .step-label {
    color: var(--color-primary);
    font-weight: 600;
}

/* Form Steps */
.modal-form {
    position: relative;
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: slideUp 0.3s ease-out;
}

.step-header {
    text-align: center;
    margin-bottom: var(--space-6);
}

.step-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: var(--space-2);
}

.step-header p {
    color: var(--gray-600);
    font-size: var(--font-size-sm);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

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

.required {
    color: var(--color-error);
}

/* Modal Footer */
.modal-footer {
    background: var(--gray-50);
    padding: var(--space-6);
    border-top: 1px solid var(--gray-200);
}

.modal-actions {
    display: flex;
    gap: var(--space-3);
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.modal-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    color: var(--gray-600);
    font-size: var(--font-size-xs);
}

.modal-security .material-symbols-outlined {
    font-size: 16px;
    color: var(--color-primary);
}

/* ===== LOADING STATES ===== */
.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top: 4px solid var(--color-primary);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-4);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.plans-loading,
.blog-loading,
.faq-loading {
    text-align: center;
    padding: var(--space-12);
    color: var(--gray-600);
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 767px) {
    .hero-title {
        font-size: var(--font-size-3xl);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .modal-container {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
    
    .modal-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .modal-actions button {
        width: 100%;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles */
*:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:focus,
.nav-link:focus {
    outline: 2px solid var(--color-accent);
}

/* ===== PRINT STYLES ===== */
@media print {
    .header,
    .floating-whatsapp,
    .modal-overlay {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.hero-background,
.about-image,
.modal-overlay {
    will-change: transform;
}

/* Lazy loading images */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity var(--transition-normal);
}

img[loading="lazy"].loaded {
    opacity: 1;
}