/*
 * Amarres de Amor Legítimos - Stylesheet
 * Diseño moderno y responsive para landing page
 */

/* ===========================
   CSS VARIABLES
   =========================== */
:root {
    /* Colores principales */
    --primary-color: #8B4789;
    --primary-dark: #6B3569;
    --primary-light: #B06FAD;
    --secondary-color: #D4AF37;
    --accent-color: #FF6B9D;

    /* Colores neutrales */
    --dark: #1A1A2E;
    --dark-light: #2D2D44;
    --white: #FFFFFF;
    --light: #F8F9FA;
    --gray: #6C757D;
    --gray-light: #DEE2E6;

    /* Colores de estado */
    --success: #25D366;
    --danger: #DC3545;
    --warning: #FFC107;
    --info: #17A2B8;

    /* Tipografía */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Open Sans', sans-serif;

    /* Tamaños de fuente */
    --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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3rem;

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

    /* Sombras */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.3);

    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 2rem;
    --radius-full: 50%;

    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Contenedor */
    --container-width: 1200px;
    --container-padding: 1.5rem;
}

/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ===========================
   TYPOGRAPHY
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

.btn i {
    font-size: 1.2em;
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

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

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

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

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

.btn-block {
    width: 100%;
}

.btn-primary-nav {
    background: var(--success);
    color: var(--white);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-md);
}

.btn-primary-nav:hover {
    background: #1ea952;
    transform: scale(1.05);
}

/* ===========================
   HEADER & NAVIGATION
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.header.scrolled {
    background: rgba(26, 26, 46, 0.98);
    box-shadow: var(--shadow-lg);
}

.navbar {
    padding: 1rem 0;
}

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

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

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

.logo-text {
    font-family: var(--font-heading);
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    color: var(--white);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 24px;
}

.nav-toggle span {
    width: 100%;
    height: 3px;
    background: var(--white);
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===========================
   HERO SECTION
   =========================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
    background-image:
        radial-gradient(circle at 20% 50%, rgba(139, 71, 137, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(212, 175, 55, 0.2) 0%, transparent 50%),
        linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
    padding-top: 80px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/mystical-pattern.png') repeat;
    opacity: 0.05;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.hero-text {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.title-accent {
    font-size: var(--font-size-3xl);
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 400;
}

.title-main {
    font-size: var(--font-size-5xl);
    color: var(--white);
    font-weight: 700;
    line-height: 1.1;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--gray-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-features {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--white);
    font-size: var(--font-size-sm);
}

.feature-item i {
    color: var(--success);
    font-size: var(--font-size-lg);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--white);
    color: var(--white);
    font-size: var(--font-size-lg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ===========================
   SECTION HEADER
   =========================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-top: var(--spacing-md);
}

/* ===========================
   SERVICES SECTION
   =========================== */
.services {
    padding: var(--spacing-3xl) 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card.featured {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    transform: scale(1.05);
}

.service-card.featured .service-icon,
.service-card.featured .service-title,
.service-card.featured .service-description {
    color: var(--white);
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--secondary-color);
    color: var(--dark);
    padding: 0.5rem 2rem;
    font-size: var(--font-size-sm);
    font-weight: 700;
    transform: rotate(45deg);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
    font-size: var(--font-size-3xl);
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.service-title {
    font-size: var(--font-size-2xl);
    color: var(--dark);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.service-description {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    line-height: 1.8;
}

.service-card.featured .service-description {
    color: rgba(255, 255, 255, 0.9);
}

/* ===========================
   ABOUT SECTION
   =========================== */
.about {
    padding: var(--spacing-3xl) 0;
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

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

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(139, 71, 137, 0.7), rgba(212, 175, 55, 0.5));
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: var(--spacing-xl);
}

.experience-badge {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.experience-number {
    display: block;
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-heading);
}

.experience-text {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray);
    font-weight: 600;
}

.about-content {
    padding: var(--spacing-lg);
}

.about-text {
    font-size: var(--font-size-lg);
    color: var(--gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.about-feature {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.feature-icon-wrapper {
    width: 50px;
    height: 50px;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
    font-size: var(--font-size-xl);
}

.feature-content h4 {
    font-size: var(--font-size-lg);
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.feature-content p {
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin: 0;
}

/* ===========================
   TESTIMONIALS SECTION
   =========================== */
.testimonials {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1A1A2E 0%, #2D2D44 100%);
}

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

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-base);
}

.testimonial-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.testimonial-stars {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.testimonial-stars i {
    color: var(--secondary-color);
    font-size: var(--font-size-lg);
}

.testimonial-text {
    color: var(--white);
    font-size: var(--font-size-base);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

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

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: var(--font-size-xl);
}

.author-name {
    color: var(--white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
}

.author-location {
    color: var(--gray-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===========================
   CTA SECTION
   =========================== */
.cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    text-align: center;
}

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

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

.cta-description {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.cta-guarantee {
    margin-top: var(--spacing-md);
    color: var(--secondary-color);
    font-weight: 600;
}

.cta-guarantee i {
    margin-right: var(--spacing-xs);
}

/* ===========================
   CONTACT SECTION
   =========================== */
.contact {
    padding: var(--spacing-3xl) 0;
    background: var(--light);
}

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

.contact-info h3 {
    font-size: var(--font-size-2xl);
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

.contact-info p {
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-method {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.method-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
    font-size: var(--font-size-2xl);
}

.method-content h4 {
    font-size: var(--font-size-lg);
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.method-content p {
    color: var(--gray);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--success);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.trust-badge i {
    font-size: var(--font-size-lg);
}

/* ===========================
   CONTACT FORM
   =========================== */
.contact-form-wrapper {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: var(--font-size-2xl);
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.form-description {
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 71, 137, 0.1);
}

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

.form-privacy {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--gray);
    margin-top: var(--spacing-md);
}

.form-privacy i {
    margin-right: var(--spacing-xs);
    color: var(--success);
}

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

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    width: 60px;
    height: 60px;
}

.footer-logo h3 {
    font-size: var(--font-size-xl);
    color: var(--white);
}

.footer-description {
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

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

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

.footer-title {
    font-size: var(--font-size-lg);
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

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

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

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: var(--spacing-xs);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-light);
}

.footer-contact i {
    color: var(--primary-light);
    font-size: var(--font-size-lg);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: var(--font-size-xs);
    color: var(--gray);
}

/* ===========================
   WHATSAPP FLOAT BUTTON
   =========================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--success);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    font-weight: 600;
    transition: var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float i {
    font-size: var(--font-size-3xl);
}

.whatsapp-float:hover {
    background: #1ea952;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
}

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

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

/* ===========================
   SCROLL TO TOP BUTTON
   =========================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: var(--white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    z-index: 999;
}

.scroll-to-top.show {
    display: flex;
}

.scroll-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-5px);
}

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

/* Tablets */
@media (max-width: 992px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }

    .about-wrapper,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-image img {
        height: 400px;
    }

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

    .about-features {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 3rem;
        --spacing-2xl: 2rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 46, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        padding: var(--spacing-xl);
        transition: var(--transition-base);
    }

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

    .nav-link {
        width: 100%;
        padding: var(--spacing-sm) 0;
        text-align: center;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-features {
        flex-direction: column;
        align-items: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .whatsapp-float {
        padding: 1rem;
        border-radius: var(--radius-full);
    }

    .whatsapp-text {
        display: none;
    }

    .title-accent {
        font-size: var(--font-size-xl);
    }

    .title-main {
        font-size: var(--font-size-3xl);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

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