:root {
    --primary: #1f2933;   /* deep calm gray */
    --accent: #2563eb;    /* soft blue */
    --background: #ffffff;
    --muted: #6b7280;
}


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

html {
    scroll-behavior: smooth;
}

body {
  font-family: 'Nunito', sans-serif;
  background-color: var(--background);
  color: var(--primary);
  line-height: 1.6;
  overflow-x: hidden;
}


a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}


/* NAVIGATION BAR */
.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.25rem 5%;
    background-color: var(--background);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    position: relative;
    top: 0;
    z-index: 1000;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    position: absolute;
    left: 1%;
}

.logo-icon {
    width: 40px;
    height: 40px;
    object-fit: contain;
    background-color: rgba(103, 172, 103, 0.15);
    border-radius: 8px;
    padding: 8px;
}

.nav-links ul {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links ul li a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.nav-links ul li a:hover {
    color: var(--accent);
}

/* HERO SECTION */
.hero {
    padding: 3rem 5% 4rem 1%;
    max-width: 900px;
}

.hero-content h3 {
    color: rgb(103, 172, 103);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--muted);
    line-height: 1.7;
}


/*THE PROBLEM */
.the-problem {
    background: rgb(244, 240, 240);
    padding: 3rem 5% 4rem 1%;
    width: 100%;
}

.the-problem-inner h3 {
    color: rgb(103, 172, 103);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.problem-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 3rem;
    background: #ffffff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.problem-icon {
    background-color: rgba(103, 172, 103, 0.15);
    color: rgb(103, 172, 103);
    width: 48px;
    height: 48px;
    border-radius: 10px;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 1.5rem;
    flex-shrink: 0;
}

.problem-text {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}


/* HOW IT WORKS SECTION */
.how-it-works {
    background: rgba(244,240,240);
    padding: 3rem 5% 4rem 1%;
    width: 100%;
}

.how-it-works h3 {
    color: rgb(103, 172, 103);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.how-it-works h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 3rem;
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.step-left {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: rgb(103, 172, 103);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-line {
    width: 2px;
    height: 40px;
    background-color: rgb(103, 172, 103);
    opacity: 0.3;
    margin-top: 3px;
}

.step-content {
    padding-bottom: 2rem;
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.6;
}

/*HOST FORMS SECTION */
.host-form {
    padding: 4rem 5%;
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--background);
}

.host-form h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 2rem;
    text-align: center;
}

.host-form form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.host-form label {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.95rem;
}

.host-form input,
.host-form select,
.host-form textarea {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.host-form input::placeholder {
    color: #9ca3af;
    font-weight: 400;
}

.host-form select {
    color: #9ca3af; 
}

.host-form select:valid {
    color: var(--primary); 
}

.host-form button[type="submit"] {
    background-color: var(--accent);
    color: var(--background);
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.host-form button[type="submit"]:hover {
    background-color: #3d8569;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 155, 127, 0.3);
}

/* CUSTOM ALERT MESSAGE */
.custom-alert {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: var(--accent);
    color: var(--background);
    font-family: 'Nunito', sans-serif;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
    display: none; /* hidden by default */
    max-width: 400px;
    text-align: center;
    z-index: 2000;
}

.custom-alert button {
    margin-top: 1rem;
    padding: 0.5rem 1.5rem;
    background-color: var(--background);
    color: var(--accent);
    border: none;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.custom-alert button:hover {
    background-color: #e5e5e5;
}

/* FOOTER SECTION */
.footer {
    background-color: var(--primary);
    color: var(--background);
    padding: 2rem 0;
    text-align: center;
    margin-top: 4rem;
    margin-bottom: 0;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
}