/* ========================================
   Nattal Landing Page - Styles
   ======================================== */

/* CSS Variables */
:root {
    --color-primary: #c47b84;
    --color-primary-dark: #b06b74;
    --color-primary-light: #d4959c;
    --color-secondary: #c9a79b;
    --color-accent: #FADADD;
    --color-dark: #333333;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-white: #FFFFFF;
    --color-gray-50: #F7EFE5;
    --color-gray-100: #F7EFE5;
    --color-gray-200: #E4E4E7;
    --color-gray-300: #D1D5DB;
    --color-beige: #F7EFE5;
    --color-pink-light: #FADADD;
    --color-tan: #E9CBA7;
    --gradient-primary: linear-gradient(135deg, #c47b84 0%, #d4959c 100%);
    --gradient-hero: linear-gradient(180deg, #F7EFE5 0%, #FFFFFF 100%);
    --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);
    --border-radius-sm: 0.375rem;
    --border-radius-md: 10px;
    --border-radius-lg: 20px;
    --border-radius-xl: 20px;
    --border-radius-full: 9999px;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

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

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

img {
    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;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 8px 16px;
    z-index: 1000;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    transition: all var(--transition-normal);
    text-align: center;
    white-space: nowrap;
}

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

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

.btn-primary:active {
    transform: translateY(0);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 40px;
    width: auto;
}

.header-cta {
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
}

.header-cta .cta-short {
    display: none;
}

.header-cta .cta-full {
    display: inline;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    padding: 0;
    min-height: 100vh;
    background: url('img/banner-home-1-min.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding-top: 80px;
}

.hero-content h1 {
    font-family: 'Inter', sans-serif;
    font-size: 50px;
    font-weight: 700;
    font-style: normal;
    line-height: 107%;
    letter-spacing: -0.02em;
    color: #333;
    margin-bottom: 1.5rem;
}

.hero-content h1 span {
    display: block;
}

.hero-content h1 .highlight {
    color: var(--color-primary-dark);
}

.hero-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 500;
    font-style: normal;
    line-height: 150%;
    letter-spacing: 0.22px;
    color: #333;
    margin-bottom: 2rem;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

/* ========================================
   Features Section
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--color-beige);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-header h2 .highlight {
    color: var(--color-primary-dark);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--color-gray-100);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--border-radius-full);
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    transition: all var(--transition-normal);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FADADD 0%, #F7EFE5 100%);
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    color: var(--color-primary);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

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

/* ========================================
   Why Choose Section
   ======================================== */
.why-choose {
    padding: 100px 0;
    background: var(--color-white);
}

.why-choose h2 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-dark);
    text-align: center;
    margin-bottom: 3rem;
}

.why-choose-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 3rem;
}

.why-choose-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.why-choose-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.check-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: var(--border-radius-full);
    color: var(--color-white);
    flex-shrink: 0;
}

.check-icon svg {
    width: 16px;
    height: 16px;
}

.why-choose-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-dark);
}

.why-choose-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.why-choose-image img {
    max-width: 100%;
    height: auto;
}

.why-choose .btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* ========================================
   Testimonials Section
   ======================================== */
.testimonials {
    padding: 100px 0;
    background: var(--color-beige);
}

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

.testimonial-card {
    background: var(--color-gray-50);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

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

.testimonial-stars {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-200);
    border-radius: var(--border-radius-full);
    color: var(--color-text-light);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-dark);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--color-text-light);
}

.testimonials .btn {
    display: block;
    width: fit-content;
    margin: 0 auto;
}

/* ========================================
   FAQ Section
   ======================================== */
.faq {
    padding: 100px 0;
    background: var(--color-white);
}

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

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

.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(--color-dark);
    text-align: left;
    background: var(--color-white);
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--color-gray-50);
}

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

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

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

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

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 80px 0;
    background: var(--gradient-primary);
    text-align: center;
}

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

.cta-section .btn:hover {
    background: var(--color-gray-100);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 30px;
    background: var(--color-dark);
    color: var(--color-white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 3rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-gray-300);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-item:hover {
    color: var(--color-white);
}

.footer-icon {
    width: 24px;
    height: 24px;
    object-fit: contain;
}

.footer-logo img {
    height: 40px;
    width: auto;
    opacity: 0.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 1rem;
    overflow-y: auto;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    max-width: 500px;
    width: 100%;
    padding: 2.5rem;
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border-radius: var(--border-radius-full);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-gray-200);
    color: var(--color-dark);
}

.modal-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    text-align: center;
}

.modal-content > p {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast);
    font-family: inherit;
}

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

.form-group input::placeholder {
    color: var(--color-text-light);
}

.form-group select {
    width: 100%;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--border-radius-md);
    transition: border-color var(--transition-fast);
    font-family: inherit;
    background-color: var(--color-white);
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1rem;
}

.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.form-group select:invalid {
    color: var(--color-text-light);
}

.form-group select option {
    color: var(--color-dark);
}

.form-group select option:disabled {
    color: var(--color-text-light);
}

.form-disclaimer {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin-top: 1rem;
}

.form-disclaimer a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* ========================================
   WhatsApp Float Button
   ======================================== */
.whatsapp-float-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 99;
    display: flex;
    align-items: center;
    gap: 12px;
}

.whatsapp-tooltip {
    background: var(--color-white);
    color: var(--color-text);
    padding: 10px 16px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    animation: tooltipBounce 2s ease-in-out infinite;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 8px 0 8px 8px;
    border-style: solid;
    border-color: transparent transparent transparent var(--color-white);
}

@keyframes tooltipBounce {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(-5px);
    }
}

.whatsapp-float {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: var(--border-radius-full);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    flex-shrink: 0;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
    background: #20BA5C;
}

@media (max-width: 768px) {
    .whatsapp-float-container {
        bottom: 16px;
        right: 16px;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .whatsapp-float {
        width: 56px;
        height: 56px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

/* ========================================
   Responsive Design
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 2.75rem;
    }

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

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

    .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .header .container {
        height: 70px;
    }

    .header-cta {
        padding: 0.6rem 1rem;
        font-size: 0.8rem;
    }

    .header-cta .cta-full {
        display: none;
    }

    .header-cta .cta-short {
        display: inline;
    }

    .hero {
        min-height: 1000px;
        padding: 120px 0 60px;
        background: url('img/banner-1-mobile.png');
        background-size: cover;
        background-position: top center;
        background-attachment: scroll;
        align-items: flex-start;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.25rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .why-choose-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .why-choose-image {
        order: -1;
    }

    .testimonials-slider {
        grid-template-columns: 1fr;
    }

    .testimonial-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-info {
        align-items: center;
    }

    /* Modal responsivo para tablet */
    .modal-overlay {
        padding: 1rem;
    }

    .modal {
        padding: 2rem;
        max-height: calc(100vh - 2rem);
        overflow-y: auto;
    }

    .modal-close {
        width: 36px;
        height: 36px;
    }

    .modal-content h3 {
        font-size: 1.375rem;
    }

    .modal-content > p {
        margin-bottom: 1.5rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.875rem 1rem;
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 1rem;
    }

    .btn {
        padding: 0.75rem 1.5rem;
    }

    .btn-lg {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .modal {
        padding: 1.5rem;
        max-height: calc(100vh - 1.5rem);
    }

    .modal-overlay {
        padding: 0.75rem;
    }

    .modal-close {
        width: 32px;
        height: 32px;
        top: 0.75rem;
        right: 0.75rem;
    }

    .modal-close svg {
        width: 18px;
        height: 18px;
    }

    .modal-content h3 {
        font-size: 1.25rem;
    }

    .modal-content > p {
        font-size: 0.875rem;
        margin-bottom: 1.25rem;
    }

    .form-group {
        margin-bottom: 0.75rem;
    }

    .form-group input,
    .form-group select {
        padding: 0.75rem 1rem;
        font-size: 0.875rem;
    }

    .modal .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 0.875rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .faq-question {
        padding: 1rem;
    }

    .faq-answer p {
        padding: 0 1rem 1rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* Print Styles */
@media print {
    .header,
    .modal-overlay,
    .whatsapp-float-container,
    .btn {
        display: none !important;
    }

    .hero {
        padding-top: 0;
    }
}