:root {
    --brand-color: #117b7e;
    --brand-color-light: #00cdb9;
    --brand-color-dark: #0d5254;
    --link-color: #1b5cc5;
    --link-color-hover: #3b82f6;
    --bg: #001014;
    --bg-soft: #11161d;
    --card: #161c24;
    --text: #e6edf6;
    --muted: #9fb0c3;
    --brand: #e74c3c;
    /* Red accent */
    --brand-2: #3b82f6;
    /* Blue accent */
    --ring: 0 0 0 3px rgba(59, 130, 246, .35);
    --radius: 18px;
    --shadow: 0 10px 30px rgba(0, 0, 0, .25);
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle, var(--bg-soft) 0%, var(--bg) 100%);
    color: var(--text);
    font-family: Inter, system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    opacity: 0.07;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 60%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 40vw;
    opacity: 0.03;
    z-index: -1;
}

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

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

.container {
    width: min(1200px, 92vw);
    margin-inline: auto
}

header {
    position: sticky;
    top: 0;
    backdrop-filter: saturate(150%) blur(8px);
    background: rgba(11, 15, 20, .7);
    border-bottom: 1px solid #1d2632;
    z-index: 50
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0
}

nav ul {
    display: flex;
    gap: 18px;
    list-style: none;
    margin: 0;
    padding: 0
}

nav a {
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--muted)
}

nav a:hover {
    background: #1a2330;
    color: var(--text)
}

.lang-switch {
    display: flex;
    gap: 8px;
    align-items: center
}

.chip {
    border: 1px solid #233046;
    padding: 8px 12px;
    border-radius: 999px;
    background: #0f141b;
    color: var(--muted);
    cursor: pointer
}

.chip.active {
    background: linear-gradient(135deg, #1a2330, #11161d);
    color: var(--text);
    border-color: #2c3a52
}

.hero {
    padding: 64px 0 32px;
    text-align: center;
}

.h1 {
    font-size: clamp(28px, 4vw, 46px);
    line-height: 1.05;
    letter-spacing: -.02em;
    margin: 0 0 8px
}

.sub {
    color: var(--muted);
    font-size: clamp(14px, 1.6vw, 18px);
    max-width: 600px;
    margin: 0 auto;
}

.cta {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 12px;
    border: none;
    background: var(--brand);
    color: white;
    cursor: pointer;
    font-weight: 500;
}

.btn.secondary {
    background: var(--card);
    border: 1px solid #233046;
    color: var(--text)
}

.btn:focus {
    outline: none;
    box-shadow: var(--ring)
}

.card {
    background: var(--card);
    border: 1px solid #1d2632;
    border-radius: var(--radius);
    box-shadow: var(--shadow)
}

.card-pad {
    padding: 24px
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.section {
    padding: 48px 0
}

.section h2 {
    margin: 0 0 10px;
    font-size: clamp(24px, 2.8vw, 32px);
    text-align: center;
}

.section p.lead {
    color: var(--muted);
    margin: 0 auto 24px;
    text-align: center;
    max-width: 600px;
}

.price-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #1d2632;
}

.price-item:last-child {
    border-bottom: none;
}

.price-item .desc {
    font-size: 14px;
    color: var(--muted)
}

.price-item .price-tag {
    font-size: 18px;
    font-weight: 600
}

.calc-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: flex-end;
    padding: 16px;
    border-radius: 12px;
    background-color: var(--bg-soft);
    margin-bottom: 12px;
}

.calc-row .inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
}

label {
    font-size: 13px;
    color: #b6c4d6;
    display: block;
    margin-bottom: 4px;
}

input[type="number"],
select {
    width: 100%;
    padding: 10px 12px;
    background: #0f141b;
    border: 1px solid #233046;
    color: var(--text);
    border-radius: 10px;
    outline: none
}

input:focus,
select:focus {
    box-shadow: var(--ring);
    border-color: #33507a
}

.total-price-display {
    margin-top: 24px;
    padding: 20px;
    text-align: center;
    background: var(--bg-soft);
    border-radius: 14px;
}

.total-price-display .big {
    font-size: 42px;
    font-weight: 700;
    color: var(--brand-2)
}

.total-price-display .unit {
    color: var(--muted);
    font-size: 14px;
}

.btn-small {
    padding: 8px 10px;
    border-radius: 8px;
    background-color: var(--brand);
    color: white;
    border: none;
    cursor: pointer;
    line-height: 1;
}

/* Tab Styles for Rules */
.tabs-container {
    display: flex;
    gap: 10px;
    border-bottom: 1px solid #1d2632;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    font-size: 16px;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--text);
    border-bottom-color: var(--brand-2);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.rules-section h3 {
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--brand-2);
    border-bottom: 1px solid #233046;
    padding-bottom: 8px;
}

.rules-section h4 {
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--text);
}

.rules-section ul {
    list-style: disc;
    padding-left: 20px;
    margin-left: 1em;
    color: var(--muted);
    line-height: 1.6;
}

.whatsapp-highlight {
    display: block;
    margin-top: 20px;
    font-size: 1.2em;
    font-weight: 600;
    color: #25D366;
    /* WhatsApp Green */
    text-align: center;
    background-color: var(--bg-soft);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #25D366;
}

.whatsapp-highlight a {
    color: inherit;
    text-decoration: none;
}

.whatsapp-highlight a:hover {
    text-decoration: underline;
}

a.social-link {
    color: var(--link-color);
    /* text-decoration: none; */

}

a.social-link:hover {
    text-decoration: underline;
    color: var(--link-color-hover);
}

.social-links-wrapper {
    display: flex;
    padding-left: 4em;
}

.social-wrapper {
    display: block;
    margin-top: 2em;
    /*
    margin-left: 2em;
     margin-right: 2em;
    font-size: 1.2em; 
    */
    font-weight: 600;
    /* color: var(--brand-color);; */
    /* WhatsApp Green */
    text-align: center;
    background-color: var(--bg-soft);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #ffffff8f;
}
.social-wrapper h3 {
    color: var(--brand-color-light);
}

.footer-item {
    margin-top: 0;
    margin-bottom: .8em;
}

.copyright {
    padding-top: 1em;
}

footer {
    padding: 32px 0;
    border-top: 1px solid #1d2632;
    background: var(--bg-soft)
}

.footgrid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 24px
}

.small {
    font-size: 14px;
    color: #a9b8cb
}

@media (max-width: 900px) {
    nav ul {
        display: none
    }

    .footgrid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
}

/* ✅ Watermark Style */
.watermark {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: .18;
    z-index: 0;
    pointer-events: none;
    width: 600px;
}

/* ✅ Logo Style */
.logo {
    position: fixed;
    top: 15px;
    left: 15px;
    width: 150px;
    z-index: 1000;
}

.branding {
    color: var(--brand-color-light);
    margin: 0;
}