:root {
    --primary-color: #0d0d0d;
    --secondary-color: #808080;
    --accent-color: #d4af37;
    --text-color: #ffffff;
    --background-color: #050505;
    --card-bg: rgba(255, 255, 255, 0.03);
    --border-color: rgba(255, 255, 255, 0.1);
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
    margin: 0;
    line-height: 1.6;
}

.container {
    width: 80%;
    margin: 0 auto;
}

.grid {
    display: grid;
    gap: 2rem;
}

/* Nav */
.nav {
    background: rgba(13, 13, 13, 0.8);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
}

.brand .logo {
    width: 40px;
    height: 40px;
    background-image: url('../images/logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    margin-right: 1rem;
}

.nav-links a {
    margin-left: 2rem;
    color: var(--text-color);
    text-decoration: none;
}

.btn {
    padding: 0.5rem 1rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
}

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

.btn.ghost {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

/* Hero */
.hero {
    padding: 4rem 0;
}

.birthday-hero {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/birthday_party.jpg');
    background-size: cover;
    background-position: center;
    color: var(--text-color);
}

.hero-grid {
    grid-template-columns: 2fr 1fr;
    align-items: center;
}

.pill {
    background-color: var(--secondary-color);
    color: var(--text-color);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.8rem;
    display: inline-block;
    margin-bottom: 1rem;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent-color);
    transform: translateY(-5px);
}

.card.pad {
    padding: 2rem;
}

/* Forms */
.form-row>div {
    margin-bottom: 1rem;
}

.seg {
    display: flex;
}

.seg button {
    flex: 1;
    padding: 0.5rem;
    background-color: var(--secondary-color);
    border: 1px solid var(--primary-color);
    color: var(--text-color);
    cursor: pointer;
}

.seg button.active {
    background-color: var(--accent-color);
    color: var(--primary-color);
}

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 5px;
    border: 1px solid var(--secondary-color);
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: var(--font-family);
}

/* Gallery */
.gallery {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.media img {
    max-width: 100%;
    height: auto;
    border-radius: 3px;
}

/* How it works */
.steps {
    grid-template-columns: repeat(3, 1fr);
}

.step-card {
    padding: 2rem;
    text-align: center;
}

.step-num {
    font-size: 3rem;
    font-weight: 600;
    color: var(--accent-color);
}

/* Packages */
.packages {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.pkg {
    padding: 2rem;
}

.pkg .top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.pkg .tag {
    font-style: italic;
    color: var(--secondary-color);
}

.badge {
    background-color: var(--accent-color);
    color: var(--primary-color);
    padding: 0.25rem 0.5rem;
    border-radius: 3px;
    font-size: 0.8rem;
}

/* Add-ons */
.addons-wrap {
    grid-template-columns: 1fr 2fr;
}

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

.toggle {
    background-color: var(--primary-color);
    padding: 1rem;
    border-radius: 5px;
    cursor: pointer;
}

/* Builder */
.builder {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.builder-card {
    padding: 2rem;
}

.stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.step {
    display: flex;
    align-items: center;
    color: var(--secondary-color);
}

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

.dot {
    width: 10px;
    height: 10px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    margin-right: 0.5rem;
}

.step.active .dot {
    background-color: var(--accent-color);
}

.panel {
    display: none;
}

.panel.active {
    display: block;
}

.hide {
    display: none;
}

/* Summary */
.summary {
    padding: 2rem;
}

.sum-line {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.divider {
    height: 1px;
    background-color: var(--secondary-color);
    margin: 1rem 0;
}

.total {
    margin-top: 1rem;
}

/* FAQ */
details {
    margin-bottom: 1rem;
    background-color: var(--primary-color);
    padding: 1rem;
    border-radius: 5px;
}

summary {
    cursor: pointer;
    font-weight: 600;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    padding: 2rem 0;
    margin-top: 4rem;
}

.cols {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

/* Sticky Bar */
.stickybar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--primary-color);
    padding: 1rem 0;
    border-top: 1px solid var(--secondary-color);
    display: none;
    /* Hidden by default */
}

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