/* Reset e Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #123b58;
    --secondary-color: #e2ecf2;
    --text-dark: #2c3e50;
    --text-light: #ffffff;
    --accent-color: #2ecc71;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

.lead {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

/* Navigation */
.navbar {
    background-color: var(--primary-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    color: var(--text-light);
    font-size: 1.5rem;
    margin: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 5px;
}

.nav-link:hover,
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0a2a3f 100%);
    color: var(--text-light);
    padding: 120px 0 80px;
    text-align: center;
}

.hero-content h2 {
    color: var(--text-light);
    font-size: 3rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-light);
}

.btn-primary:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(46, 204, 113, 0.3);
}

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

.btn-secondary:hover {
    background-color: transparent;
    color: var(--text-light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 50px;
    font-size: 1.2rem;
}

/* Sections */
section {
    padding: 80px 0;
}

.bg-dark {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.bg-dark h2,
.bg-dark h3,
.bg-dark h4 {
    color: var(--text-light);
}

.bg-light {
    background-color: var(--secondary-color);
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.8rem;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
}

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

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.product-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

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

.product-image {
    margin-bottom: 1.5rem;
}

.placeholder-image {
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.1));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    height: 200px;
    border: 3px dashed rgba(255,255,255,0.3);
}

.product-card h3 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

/* Pet Sections */
.pet-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.pet-content.reverse {
    direction: rtl;
}

.pet-content.reverse > * {
    direction: ltr;
}

.pet-text {
    padding: 2rem;
}

.benefits-list {
    list-style: none;
    margin: 1.5rem 0;
}

.benefits-list li {
    padding: 0.8rem 0;
    padding-left: 2rem;
    position: relative;
}

.benefits-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.3rem;
}

.bg-dark .benefits-list li:before {
    color: var(--text-light);
}

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

.image-grid .placeholder-image.large {
    grid-row: span 2;
    height: 100%;
}

.bg-light .placeholder-image {
    background: linear-gradient(135deg, rgba(18,59,88,0.1), rgba(18,59,88,0.05));
    border-color: rgba(18,59,88,0.2);
    color: var(--primary-color);
}

/* Personalized Diet Section */
.experience-badge {
    text-align: center;
    margin: 2rem auto;
    padding: 2rem;
    background-color: var(--primary-color);
    color: var(--text-light);
    border-radius: 15px;
    max-width: 300px;
}

.badge-number {
    display: block;
    font-size: 4rem;
    font-weight: bold;
    line-height: 1;
}

.badge-text {
    display: block;
    font-size: 1.2rem;
    margin-top: 0.5rem;
}

.process-title {
    text-align: center;
    margin: 3rem 0 2rem;
    font-size: 2rem;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.step {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.step-number {
    background-color: var(--primary-color);
    color: var(--text-light);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto 1.5rem;
}

.step h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.quality-info {
    padding: 2rem;
    border-radius: 15px;
    margin: 3rem 0;
    text-align: center;
}

.consultation-options {
    margin: 3rem 0;
    text-align: center;
}

.consultation-options h3 {
    margin-bottom: 1rem;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.option-card {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.option-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.option-card h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cta-center {
    text-align: center;
    margin-top: 3rem;
}

/* About Section */
.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-image .placeholder-image.profile {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    font-size: 5rem;
    background: linear-gradient(135deg, rgba(255,255,255,0.2), rgba(255,255,255,0.1));
    border: 5px solid rgba(255,255,255,0.3);
}

.philosophy-list {
    list-style: none;
    margin: 1.5rem 0;
}

.philosophy-list li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
}

.philosophy-list strong {
    color: var(--accent-color);
}

/* Contact Section */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
}

.contact-icon {
    font-size: 2rem;
}

.contact-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

.contact-item a:hover {
    color: var(--accent-color);
}

/* Forms */
.contact-form-wrapper {
    background-color: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.contact-form h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

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

.cta-section {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.cta-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    overflow-y: auto;
}

.modal.active {
    display: block;
}

.modal-content {
    background-color: white;
    margin: 50px auto;
    padding: 3rem;
    border-radius: 20px;
    max-width: 800px;
    position: relative;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--text-dark);
}

.modal-intro {
    text-align: center;
    margin-bottom: 2rem;
    color: #666;
}

.diet-form h2 {
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
}

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

.radio-group,
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.radio-label,
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.2rem;
    background-color: var(--secondary-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.radio-label:hover,
.checkbox-label:hover {
    background-color: #d0e0ec;
}

.radio-label input[type="radio"]:checked + span,
.checkbox-label input[type="checkbox"]:checked + span {
    font-weight: 600;
}

.radio-label input[type="radio"]:checked,
.checkbox-label input[type="checkbox"]:checked {
    accent-color: var(--primary-color);
}

.form-section-title {
    color: var(--primary-color);
    margin: 2rem 0 1.5rem;
    padding-top: 2rem;
    border-top: 2px solid var(--secondary-color);
}

/* Footer */
.footer {
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--text-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content h2 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .pet-content,
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .pet-content.reverse {
        direction: ltr;
    }

    .image-grid {
        max-width: 500px;
        margin: 0 auto;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-link {
        display: block;
        padding: 1rem;
        border-radius: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 80px 0 60px;
    }

    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    section {
        padding: 50px 0;
    }

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

    .modal-content {
        margin: 20px;
        padding: 2rem 1.5rem;
    }

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

    .btn {
        padding: 12px 30px;
        font-size: 1rem;
    }

    .btn-large {
        padding: 14px 35px;
        font-size: 1.1rem;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    h3 {
        font-size: 1.3rem;
    }

    .radio-group,
    .checkbox-group {
        flex-direction: column;
    }

    .radio-label,
    .checkbox-label {
        width: 100%;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

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

.feature-card,
.product-card,
.step,
.option-card {
    animation: fadeIn 0.6s ease-out;
}

/* ─── Site title bar ─── */
.site-title-bar {
    background-color: var(--primary-color);
    color: #fff;
    text-align: center;
    padding: 8px 20px;
}

.site-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin: 0;
    color: #fff;
}

/* ─── Hero logo ─── */
.hero-logo-link {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-logo {
    max-width: 180px;
    height: auto;
    border-radius: 8px;
}

/* ─── Blue nav link ─── */
.nav-link-blue {
    background-color: var(--primary-color) !important;
    color: #fff !important;
    border-radius: 4px;
    padding: 6px 14px !important;
}

.nav-link-blue:hover {
    background-color: #0d2e45 !important;
    color: #fff !important;
}

/* ─── Blue button ─── */
.btn-blue {
    display: inline-block;
    background-color: #1a6fa8;
    color: #fff;
    padding: 12px 28px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-blue:hover {
    background-color: #145680;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(26, 111, 168, 0.4);
}