/* ============================================
   SaaS Financeiro - Design System
   ============================================
   Paleta:
   - Primary (Azul Marinho): #000080
   - Accent (Verde Esmeralda): #50C878
   ============================================ */

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    /* Primary Colors */
    --color-primary: #000080;
    --color-primary-light: #1a1a99;
    --color-primary-dark: #000066;
    --color-primary-rgb: 0, 0, 128;
    
    /* Accent Colors */
    --color-accent: #50C878;
    --color-accent-light: #6fd693;
    --color-accent-dark: #3db362;
    --color-accent-rgb: 80, 200, 120;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --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: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;
    
    /* 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: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --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);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: var(--spacing-6);
}

/* Reset */
*, *::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-800);
    background-color: var(--color-white);
}

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

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-20) 0;
}

.section--gray {
    background-color: var(--color-gray-50);
}

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

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

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

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
.heading-1 {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.heading-2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.heading-3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    line-height: 1.4;
}

.heading-4 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    line-height: 1.4;
}

.text-large {
    font-size: var(--font-size-lg);
}

.text-small {
    font-size: var(--font-size-sm);
}

.text-muted {
    color: var(--color-gray-500);
}

@media (min-width: 768px) {
    .heading-1 {
        font-size: var(--font-size-5xl);
    }
    
    .heading-2 {
        font-size: var(--font-size-4xl);
    }
}

@media (min-width: 1024px) {
    .heading-1 {
        font-size: var(--font-size-6xl);
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

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

.btn--primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    box-shadow: 0 4px 14px rgba(var(--color-accent-rgb), 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--color-accent-rgb), 0.5);
}

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

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

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

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

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

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

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

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

.header__logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: var(--font-size-xl);
}

.header__nav {
    display: none;
}

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

.header__nav-link {
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

.header__cta {
    display: none;
}

.header__mobile-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-2);
}

.header__mobile-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-base);
}

@media (min-width: 768px) {
    .header__nav {
        display: block;
    }
    
    .header__cta {
        display: block;
    }
    
    .header__mobile-btn {
        display: none;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    padding: var(--spacing-6);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: 999;
}

.mobile-menu--open {
    transform: translateX(0);
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.mobile-menu__link {
    display: block;
    padding: var(--spacing-3);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray-700);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.mobile-menu__cta {
    margin-top: var(--spacing-8);
}

.mobile-menu__cta .btn {
    width: 100%;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    padding-top: calc(72px + var(--spacing-16));
    padding-bottom: var(--spacing-20);
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero__container {
    display: grid;
    gap: var(--spacing-12);
    align-items: center;
}

.hero__content {
    text-align: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-4);
    background: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent-dark);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-6);
}

.hero__badge-icon {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

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

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

.hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 540px;
    margin: 0 auto var(--spacing-8);
}

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

.hero__cta-note {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.hero__image {
    position: relative;
}

.hero__image-wrapper {
    position: relative;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--color-gray-200);
}

.hero__image-wrapper img {
    width: 100%;
    height: auto;
}

.hero__floating-card {
    position: absolute;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    animation: float 3s ease-in-out infinite;
}

.hero__floating-card--1 {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.hero__floating-card--2 {
    bottom: 20%;
    right: -5%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero__floating-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.hero__floating-icon--green {
    background: rgba(var(--color-accent-rgb), 0.1);
    color: var(--color-accent);
}

.hero__floating-icon--blue {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.hero__floating-text strong {
    display: block;
    font-size: var(--font-size-lg);
    color: var(--color-gray-800);
}

.hero__floating-text span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

@media (min-width: 768px) {
    .hero {
        padding-top: calc(72px + var(--spacing-24));
        padding-bottom: var(--spacing-24);
    }
    
    .hero__cta {
        flex-direction: row;
        justify-content: center;
    }
}

@media (min-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-16);
    }
    
    .hero__content {
        text-align: left;
    }
    
    .hero__description {
        margin-left: 0;
    }
    
    .hero__cta {
        justify-content: flex-start;
    }
}

/* ============================================
   FEATURES SECTION
   ============================================ */
.features__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-16);
}

.features__subtitle {
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

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

.features__description {
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
}

.features__grid {
    display: grid;
    gap: var(--spacing-8);
}

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

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

.feature-card__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(var(--color-accent-rgb), 0.1), rgba(var(--color-primary-rgb), 0.1));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-6);
}

.feature-card__title {
    margin-bottom: var(--spacing-3);
}

.feature-card__description {
    color: var(--color-gray-500);
    line-height: 1.7;
}

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

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

/* ============================================
   HOW IT WORKS SECTION
   ============================================ */
.how-it-works__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-16);
}

.how-it-works__subtitle {
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.how-it-works__title {
    margin-bottom: var(--spacing-4);
}

.how-it-works__steps {
    display: grid;
    gap: var(--spacing-8);
    position: relative;
}

.step {
    display: flex;
    gap: var(--spacing-6);
    align-items: flex-start;
}

.step__number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    position: relative;
}

.step__number::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-primary), transparent);
}

.step:last-child .step__number::after {
    display: none;
}

.step__content {
    padding-top: var(--spacing-2);
}

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

.step__description {
    color: var(--color-gray-500);
}

@media (min-width: 1024px) {
    .how-it-works__steps {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-12);
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .step__number::after {
        top: 50%;
        left: 100%;
        width: 100%;
        height: 2px;
        background: linear-gradient(to right, var(--color-primary), transparent);
        transform: translateY(-50%);
    }
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-16);
}

.pricing__subtitle {
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

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

.pricing__description {
    color: var(--color-gray-500);
    font-size: var(--font-size-lg);
}

.pricing__grid {
    display: grid;
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
}

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

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

.pricing-card--featured {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-xl);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.pricing-card__name {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.pricing-card__description {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-6);
}

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

.pricing-card__price-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
}

.pricing-card__price-period {
    color: var(--color-gray-500);
}

.pricing-card__features {
    margin-bottom: var(--spacing-8);
}

.pricing-card__feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) 0;
    color: var(--color-gray-600);
}

.pricing-card__feature-icon {
    color: var(--color-accent);
    font-size: var(--font-size-lg);
}

.pricing-card__cta .btn {
    width: 100%;
}

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

/* ============================================
   TESTIMONIALS SECTION
   ============================================ */
.testimonials__header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-16);
}

.testimonials__subtitle {
    color: var(--color-accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.testimonials__grid {
    display: grid;
    gap: var(--spacing-8);
}

.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--color-gray-200);
}

.testimonial-card__stars {
    display: flex;
    gap: var(--spacing-1);
    color: var(--color-warning);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-4);
}

.testimonial-card__text {
    color: var(--color-gray-600);
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
}

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

.testimonial-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
}

.testimonial-card__name {
    font-weight: 600;
    color: var(--color-gray-800);
}

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

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

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

/* ============================================
   CTA SECTION
   ============================================ */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-16) 0;
    text-align: center;
}

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

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

.cta__description {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-8);
}

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

@media (min-width: 768px) {
    .cta__buttons {
        flex-direction: row;
        justify-content: center;
    }
}

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

.footer__grid {
    display: grid;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer__brand-description {
    margin: var(--spacing-4) 0;
    line-height: 1.7;
}

.footer__social {
    display: flex;
    gap: var(--spacing-4);
}

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

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

.footer__title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-6);
}

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

.footer__link {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-accent);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-4);
}

.footer__contact-icon {
    color: var(--color-accent);
    margin-top: 2px;
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-8);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    text-align: center;
}

.footer__legal {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    justify-content: center;
}

.footer__legal-link {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__legal-link:hover {
    color: var(--color-accent);
}

@media (min-width: 768px) {
    .footer__grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
    
    .footer__bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    z-index: 1000;
}

.whatsapp-float__btn {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 28px;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float__btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
    100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
}

.whatsapp-float__tooltip {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-white);
    color: var(--color-gray-800);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    margin-right: var(--spacing-3);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-4);
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: var(--spacing-2);
    color: var(--color-gray-700);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(var(--color-accent-rgb), 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

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

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 768px) {
    .hide-desktop {
        display: none !important;
    }
}