/* LoRaLeaf Website Styles */

:root {
    --color-primary: #2D5A27;
    --color-secondary: #7CB342;
    --color-accent: #5E8B47;
    --color-dark: #1A1A1A;
    --color-grey: #666666;
    --color-light-grey: #F5F5F5;
    --color-white: #FFFFFF;
    --color-cream: #FDFDF8;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--color-grey);
}

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

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 90, 39, 0.3);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background-color: rgba(253, 253, 248, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

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

.nav-brand .logo {
    height: 50px;
    width: auto;
}

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

.nav-links a {
    color: var(--color-dark);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:not(.btn-primary):hover {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--color-cream) 0%, #E8F5E0 100%);
}

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

.hero-title {
    font-size: 4rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--color-grey);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.sensor-illustration {
    width: 100%;
}

.illustration {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(45, 90, 39, 0.1));
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--color-grey);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Problem Section */
.problem-section {
    background-color: var(--color-white);
}

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

.lead-text {
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.stat-box {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: 10px;
}

.stat-highlight {
    color: var(--color-white);
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

/* Solution/Features Section */
.solution-section {
    background-color: var(--color-cream);
}

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

.feature-card {
    background-color: var(--color-white);
    padding: 2rem;
    border-radius: 10px;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(45, 90, 39, 0.15);
}

.feature-icon {
    color: var(--color-secondary);
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.feature-card p {
    color: var(--color-grey);
}

/* How It Works */
.how-it-works {
    background-color: var(--color-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 2rem;
    align-items: center;
    margin-top: 3rem;
}

.step-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    color: var(--color-white);
    box-shadow: 0 5px 20px rgba(45, 90, 39, 0.2);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.step-card h3 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.step-card p {
    color: rgba(255, 255, 255, 0.9);
}

.step-arrow {
    font-size: 2rem;
    color: var(--color-secondary);
    font-weight: 700;
}

/* Use Cases */
.use-cases {
    background-color: var(--color-cream);
}

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

.use-case-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 10px;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(45, 90, 39, 0.15);
}

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

.use-case-card h3 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.use-case-card p {
    color: var(--color-grey);
}

/* Dashboard Preview */
.dashboard-preview {
    background-color: var(--color-white);
}

.dashboard-showcase {
    margin-top: 3rem;
}

.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    color: var(--color-white);
}

.stat-card h4 {
    color: var(--color-white);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
    opacity: 0.9;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-white);
    margin: 0.5rem 0;
}

.stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

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

.dashboard-screenshot {
    width: 100%;
    max-width: 900px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.dashboard-caption {
    margin-top: 1rem;
    font-style: italic;
    color: var(--color-grey);
}

/* Technical Specs */
.technical-specs {
    background-color: var(--color-cream);
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.spec-item {
    background-color: var(--color-white);
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.spec-item strong {
    color: var(--color-primary);
    font-weight: 600;
    margin-right: 1rem;
}

.spec-item span {
    color: var(--color-grey);
    text-align: right;
}

/* About Section */
.about-section {
    background-color: var(--color-white);
}

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

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
    text-align: left;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--color-light-grey);
    border-radius: 8px;
}

.check-icon {
    width: 30px;
    height: 30px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* Contact Section */
.contact-section {
    background-color: var(--color-cream);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-top: 3rem;
}

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

.contact-info p {
    color: var(--color-grey);
    margin-bottom: 0.5rem;
}

.contact-email a {
    color: var(--color-secondary);
    font-weight: 600;
}

.contact-form {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-light-grey);
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.8);
    margin-top: 1rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-links {
    display: flex;
    gap: 3rem;
}

.footer-column h4 {
    color: var(--color-white);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.footer-column a:hover {
    color: var(--color-white);
    transform: translateX(5px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

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

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

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

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

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

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}