/* ============================================
   Eliziane Mol - Nutricionista
   Modern CSS with Purple/Magenta Theme
   ============================================ */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Primary Colors - Purple/Magenta Theme */
    --primary: #9B4DCA;
    --primary-dark: #7B2D9E;
    --primary-light: #B76EDC;
    --primary-gradient: linear-gradient(135deg, #9B4DCA 0%, #C850C0 50%, #E040A0 100%);

    /* Secondary Colors */
    --secondary: #4A1A6B;
    --secondary-light: #6B3A8C;

    /* Accent Colors */
    --accent: #E040A0;
    --accent-light: #F060B0;
    --gold: #D4AF37;

    /* Neutral Colors */
    --white: #FFFFFF;
    --off-white: #F8F6FA;
    --gray-100: #F3F0F5;
    --gray-200: #E8E4EC;
    --gray-300: #D4CDD9;
    --gray-400: #A89EB0;
    --gray-500: #7A6F85;
    --gray-600: #5A4F65;
    --gray-700: #3D3445;
    --gray-800: #2A2030;
    --gray-900: #1A1020;

    /* Text Colors */
    --text-primary: #2A2030;
    --text-secondary: #5A4F65;
    --text-muted: #7A6F85;
    --text-light: #FFFFFF;

    /* Background Colors */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8F6FA;
    --bg-dark: #2A2030;
    --bg-gradient: linear-gradient(180deg, #4A1A6B 0%, #2A1040 100%);

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(155, 77, 202, 0.08);
    --shadow-md: 0 4px 12px rgba(155, 77, 202, 0.12);
    --shadow-lg: 0 8px 24px rgba(155, 77, 202, 0.16);
    --shadow-xl: 0 16px 48px rgba(155, 77, 202, 0.2);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 50%;

    /* Typography */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

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

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

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

ul, ol {
    list-style: none;
}

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

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

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

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-white {
    color: var(--text-light);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

.btn-white {
    background: var(--white);
    color: var(--primary);
    box-shadow: var(--shadow-md);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: var(--radius-md);
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: var(--transition-normal);
}

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

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

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-cta {
    padding: 0.75rem 1.25rem;
}

.nav-toggle,
.nav-close {
    display: none;
    font-size: 1.5rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Mobile Navigation */
@media (max-width: 991px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        padding: 6rem 2rem 2rem;
        box-shadow: var(--shadow-xl);
        transition: var(--transition-normal);
        z-index: 100;
    }

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

    .nav-list {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }

    .nav-link {
        font-size: 1.125rem;
    }

    .nav-close {
        display: block;
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }

    .nav-toggle {
        display: block;
    }

    .nav-cta {
        display: none;
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: var(--header-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #F8F6FA 0%, #EDE4F3 50%, #E8DCF0 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(155, 77, 202, 0.1) 0%, transparent 70%);
    z-index: -1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.hero-subtitle {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(155, 77, 202, 0.1);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.hero-title span {
    display: block;
}

.hero-description {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-description strong {
    color: var(--primary);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image-wrapper {
    position: relative;
    max-width: 450px;
}

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

.hero-image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary);
    border-radius: var(--radius-xl);
    z-index: -1;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.mouse {
    width: 26px;
    height: 40px;
    border: 2px solid var(--primary);
    border-radius: 20px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0; top: 20px; }
}

/* Hero Responsive */
@media (max-width: 991px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-image-wrapper {
        max-width: 350px;
    }
}

/* ============================================
   Section Styles
   ============================================ */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(155, 77, 202, 0.1);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Mission Section
   ============================================ */
.mission {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 2.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-200);
}

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

.service-card.featured {
    background: linear-gradient(135deg, #F8F0FC 0%, #F0E6F8 100%);
    border-color: var(--primary-light);
}

.service-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(155, 77, 202, 0.1);
    color: var(--primary);
    font-size: 1.75rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.service-card.featured .service-icon {
    background: var(--primary-gradient);
    color: var(--white);
}

.service-title {
    font-size: 1.375rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 991px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
}

/* ============================================
   Target Section
   ============================================ */
.target {
    padding: var(--spacing-3xl) 0;
    position: relative;
    background: var(--bg-gradient);
    overflow: hidden;
}

.target-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>');
    background-size: 100px 100px;
}

.target-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.target-content .section-title {
    color: var(--white);
    margin-bottom: 2.5rem;
}

.target-list {
    text-align: left;
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

.target-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.875rem 0;
    color: var(--white);
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.target-list li:last-child {
    border-bottom: none;
}

.target-list li i {
    color: var(--accent-light);
    font-size: 1.25rem;
    margin-top: 2px;
}

/* ============================================
   Experience Section
   ============================================ */
.experience {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.experience-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.experience-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.experience-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.experience-list li i {
    color: var(--primary);
    font-size: 0.875rem;
}

.experience-list li.highlight {
    padding-left: 2.5rem;
    background: rgba(155, 77, 202, 0.05);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.experience-image {
    display: flex;
    justify-content: center;
}

.phone-mockup {
    max-width: 350px;
    position: relative;
}

.phone-mockup img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

@media (max-width: 991px) {
    .experience-grid {
        grid-template-columns: 1fr;
    }

    .experience-image {
        order: -1;
    }

    .phone-mockup {
        max-width: 280px;
    }
}

/* ============================================
   About Section
   ============================================ */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    max-width: 450px;
}

.about-image-wrapper img {
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.about-image-decoration {
    position: absolute;
    bottom: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.3;
}

.about-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.about-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.about-quote {
    padding: 1.5rem;
    background: rgba(155, 77, 202, 0.05);
    border-left: 4px solid var(--primary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

@media (max-width: 991px) {
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        display: flex;
        justify-content: center;
    }

    .about-image-wrapper {
        max-width: 350px;
    }

    .about-quote {
        text-align: left;
    }
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--bg-secondary);
}

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

.faq-item {
    margin-bottom: 1rem;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: var(--transition-normal);
}

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

.faq-question i {
    font-size: 0.875rem;
    transition: var(--transition-normal);
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.25rem;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
}

.contact-text {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(155, 77, 202, 0.1);
    color: var(--primary);
    font-size: 1.25rem;
    border-radius: var(--radius-md);
}

.contact-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.contact-content a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
}

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

.contact-form-wrapper {
    background: var(--bg-secondary);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-subtitle {
    font-size: 0.9375rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    color: var(--text-primary);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(155, 77, 202, 0.1);
}

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

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

@media (max-width: 767px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-dark);
    padding: var(--spacing-2xl) 0 0;
    color: var(--gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    background: var(--primary-gradient);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-description {
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1.125rem;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--primary);
    transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 1.25rem;
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 0.75rem;
}

.footer-links a,
.footer-contact a {
    font-size: 0.9375rem;
    color: var(--gray-400);
    transition: var(--transition-normal);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--white);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.footer-contact ul li i {
    color: var(--primary-light);
}

.footer-bottom {
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

@media (max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 575px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-contact ul li {
        justify-content: center;
    }
}

/* ============================================
   WhatsApp Float Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    color: var(--white);
    font-size: 2rem;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    padding: 0.5rem 1rem;
    background: var(--gray-800);
    color: var(--white);
    font-size: 0.875rem;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--gray-800);
}

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

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 7rem;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 1rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 998;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* ============================================
   Form Success State
   ============================================ */
.form-success {
    padding: 2rem;
    text-align: center;
}

.form-success i {
    font-size: 4rem;
    color: #25D366;
    margin-bottom: 1rem;
}

.form-success h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-success p {
    color: var(--text-secondary);
}

/* ============================================
   Scrollbar Styling
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ============================================
   Selection Styling
   ============================================ */
::selection {
    background: var(--primary);
    color: var(--white);
}

/* ============================================
   Loading State
   ============================================ */
.btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 0.5rem;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}
