/* --- Base Styles & Variables --- */
:root {
    --primary-color: #4F46E5; /* Indigo */
    --secondary-color: #10B981; /* Emerald (like WhatsApp) */
    --accent-color: #F59E0B; /* Amber */
    --text-color: #374151; /* Cool Gray 700 */
    --light-text-color: #6B7280; /* Cool Gray 500 */
    --bg-color: #FFFFFF;
    --light-bg-color: #F9FAFB; /* Cool Gray 50 */
    --border-color: #E5E7EB; /* Cool Gray 200 */
    --heading-font: 'Inter', sans-serif;
    --body-font: 'Inter', sans-serif;
}

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

body {
    font-family: var(--body-font);
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.6;
    font-size: 16px; /* Base font size */
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3 {
    font-family: var(--heading-font);
    font-weight: 700;
    margin-bottom: 0.8em;
    line-height: 1.3;
}

h1 {
    font-size: 2.8rem; /* Responsive later */
    color: #1F2937; /* Darker for heading */
}

h2 {
    font-size: 2rem; /* Responsive later */
    text-align: center;
    margin-bottom: 1.5em;
    color: #1F2937;
}

h3 {
    font-size: 1.2rem;
    color: var(--primary-color);
}

p {
    margin-bottom: 1em;
    color: var(--light-text-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

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

section {
    padding: 80px 0; /* Vertical padding for sections */
}

.highlight {
    color: var(--primary-color);
}

/* --- Buttons --- */
.btn {
    display: inline-flex; /* Use flex for icon alignment */
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.1s ease;
    font-size: 1rem;
}
.btn-icon {
    width: 1.2em; /* Size relative to font size */
    height: 1.2em;
    margin-right: 0.5em; /* Space between icon and text */
    vertical-align: middle; /* Helps sometimes */
    filter: invert(100%) sepia(0%) saturate(0%) hue-rotate(0deg) brightness(100%) contrast(100%); /* Make inline SVG white */
}


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

.btn-primary:hover {
    background-color: #4338CA; /* Darker Indigo */
    color: white;
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background-color: #059669; /* Darker Emerald */
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn-small {
    padding: 8px 15px;
    font-size: 0.9rem;
}

/* --- Header --- */
.header {
    background-color: var(--bg-color);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(5px); /* Optional: blur effect */
    background-color: rgba(255, 255, 255, 0.8);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 700;
    font-size: 1.4rem;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

/* --- Hero Section --- */
.hero-section {
    background-color: var(--light-bg-color);
    padding: 100px 0 60px 0; /* More padding top */
    text-align: center; /* Center text initially, adjust for layout */
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px; /* Space between text and visual */
}

.hero-text {
    max-width: 650px;
}

.hero-text h1 {
    margin-bottom: 0.5em;
}

.hero-text .subtitle {
    font-size: 1.15rem;
    color: var(--light-text-color);
    margin-bottom: 1.5em;
}

.hero-text .token-info {
    font-size: 0.9rem;
    color: var(--light-text-color);
    margin-top: 15px;
}

.hero-visual .mockup-img {
    max-width: 300px; /* Adjust size as needed */
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

.steps {
    display: flex;
    justify-content: space-around;
    gap: 30px;
    text-align: center;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.step {
    flex-basis: 30%; /* Roughly thirds */
    min-width: 250px; /* Prevent collapsing too much */
}

.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 15px;
}

.step h3 {
    margin-bottom: 0.5em;
    color: var(--text-color);
}

/* --- Features Section --- */
.features-section {
    background-color: var(--light-bg-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-item {
    background-color: white;
    padding: 25px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.07);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 15px;
    display: inline-block; /* Keeps it from taking full width */
}

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

/* --- Get Started Section --- */
.get-started-section {
    background-color: var(--primary-color);
    color: white;
    text-align: center;
}

.get-started-section h2 {
    color: white;
}
.get-started-section .highlight{
    color: #E0E7FF; /* Lighter Indigo for contrast */
}

.get-started-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.get-started-section .btn-primary {
    background-color: white;
    color: var(--primary-color);
}
.get-started-section .btn-primary:hover {
    background-color: var(--light-bg-color);
    color: var(--primary-color);
}
.get-started-section .btn-icon {
     /* Make SVG icon primary color on hover */
     filter: invert(28%) sepia(93%) saturate(3132%) hue-rotate(239deg) brightness(93%) contrast(92%);
}


/* --- Contact Section --- */
.contact-section {
    background-color: var(--bg-color);
}
.contact-section h2{
    margin-bottom: 1em;
}
.contact-section > .container > p { /* Target the intro paragraph */
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3em;
}

.contact-options {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
}

.contact-method {
    flex: 1;
    min-width: 280px; /* Ensure readability */
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--light-bg-color);
}
.contact-method.form-container{
    background-color: white; /* Make form stand out slightly */
}

.contact-method h3 {
    margin-bottom: 10px;
    color: var(--primary-color);
}

.contact-link {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    word-break: break-all; /* Prevent long links from overflowing */
}

.contact-link.wa-link {
    color: #25D366; /* WhatsApp Green */
}
.contact-link.wa-link:hover {
    color: #128C7E; /* Darker WhatsApp Green */
}


/* Contact Form Styles */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--light-text-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group textarea {
    resize: vertical; /* Allow vertical resize */
    min-height: 80px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2); /* Focus ring */
}

#contact-form button {
    width: 100%;
    margin-top: 10px;
}

#form-status {
    margin-top: 15px;
    font-weight: 600;
}

/* --- Footer --- */
.footer {
    background-color: #1F2937; /* Dark Gray */
    color: rgba(255, 255, 255, 0.7);
    padding: 30px 0;
    text-align: center;
    font-size: 0.9rem;
}

.footer a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: underline;
}

.footer a:hover {
    color: white;
}

/* --- Responsive Design --- */

@media (min-width: 768px) {
    .hero-content {
        flex-direction: row;
        text-align: left;
        align-items: center;
    }
     .hero-text {
        flex: 1; /* Take available space */
    }
    .hero-visual {
        flex-basis: 350px; /* Fixed width for visual */
    }

     h1 {
        font-size: 3.5rem;
    }
     h2 {
        font-size: 2.5rem;
    }
}


@media (max-width: 767px) {
     h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    section {
        padding: 60px 0;
    }
    .hero-section {
        padding-top: 80px;
    }

    .steps {
        flex-direction: column;
        align-items: center;
    }
    .step {
        flex-basis: auto; /* Let items stack */
        width: 90%; /* Take most width */
        max-width: 350px;
    }
    .contact-options {
        flex-direction: column;
    }
    .navbar {
        flex-direction: column;
        gap: 10px;
    }
    .navbar .btn {
        margin-top: 10px;
    }
}