/* ==========================================
   PetCuidado Landing Page Styles
   ========================================== */

:root {
    --primary-green: #22C55E;
    --primary-green-dark: #16A34A;
    --primary-green-light: #86EFAC;
    --text-dark: #1F2937;
    --text-gray: #6B7280;
    --bg-gray: #F9FAFB;
    --white: #FFFFFF;
    --border-gray: #E5E7EB;
    --error-red: #EF4444;
    --success-green: #10B981;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ==========================================
   Navigation
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-green);
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-green);
}

.btn-nav {
    background: var(--primary-green);
    color: var(--white) !important;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    transition: background 0.3s;
}

.btn-nav:hover {
    background: var(--primary-green-dark);
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    margin-top: 80px;
    padding: 4rem 0;
    background: linear-gradient(135deg, #F0FDF4 0%, #DCFCE7 100%);
}

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

.hero-text h1 {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.feature-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-green-dark);
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.1);
}

.feature-pill svg {
    color: var(--primary-green);
}

.cta-button {
    display: inline-block;
    background: var(--primary-green);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
}

.cta-button:hover {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.hero-note {
    margin-top: 1rem;
    color: var(--text-gray);
    font-size: 0.9rem;
}

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

.image-placeholder {
    background: var(--white);
    border-radius: 20px;
    padding: 3rem;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.image-placeholder svg {
    color: var(--primary-green);
    margin-bottom: 1rem;
}

.image-placeholder p {
    color: var(--text-gray);
    font-weight: 600;
}

/* ==========================================
   Features Section
   ========================================== */

.features {
    padding: 5rem 0;
    background: var(--white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text-dark);
    margin-bottom: 3rem;
}

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

.feature-card {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-green);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.15);
}

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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ==========================================
   How It Works Section
   ========================================== */

.how-it-works {
    padding: 5rem 0;
    background: var(--bg-gray);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.step {
    flex: 1;
    min-width: 200px;
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.step p {
    color: var(--text-gray);
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary-green);
    font-weight: 900;
}

/* ==========================================
   Waitlist Section
   ========================================== */

.waitlist {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
    color: var(--white);
}

.waitlist-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.waitlist h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.waitlist-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.waitlist-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

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

.form-group input,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Lato', sans-serif;
    transition: border-color 0.3s;
}

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

.submit-button {
    width: 100%;
    background: var(--primary-green);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Lato', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.submit-button:hover:not(:disabled) {
    background: var(--primary-green-dark);
    transform: translateY(-2px);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.success-message,
.error-message {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 16px;
    text-align: center;
}

.success-message svg {
    color: var(--success-green);
    margin-bottom: 1rem;
}

.error-message svg {
    color: var(--error-red);
    margin-bottom: 1rem;
}

.success-message h3,
.error-message h3 {
    color: var(--text-dark);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.success-message p,
.error-message p {
    color: var(--text-gray);
    font-size: 1.1rem;
}

.waitlist-note {
    margin-top: 2rem;
    font-size: 1rem;
    opacity: 0.9;
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-gray);
}

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

.footer-column h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-column a {
    display: block;
    color: var(--text-gray);
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-column a:hover {
    color: var(--primary-green);
}

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

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

@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .nav-links a:not(.btn-nav) {
        display: none;
    }

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

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

    .hero-image {
        order: -1;
    }

    .steps {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.75rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .waitlist-form {
        padding: 1.5rem;
    }
}