/* =========================
   ROOT THEME VARIABLES
========================= */
:root {
    --bg: #050505;
    --text: #ffffff;
    --red: #e50914;
    --card: #0f0f0f;
    --border: #1f1f1f;
}

/* Light Mode */
body.light {
    --bg: #ffffff;
    --text: #111111;
    --card: #f3f3f3;
    --border: #dddddd;
}

/* =========================
   RESET & BASE
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, sans-serif;
    line-height: 1.6;
}

/* =========================
   NAVBAR
========================= */
.navbar {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(229, 9, 20, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Brand */
.logo {
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
}

.logo span {
    color: var(--red);
    text-shadow: 0 0 12px var(--red);
}

/* Nav Links */
.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    position: relative;
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    padding: 6px 0;
    transition: color 0.3s ease;
    cursor: pointer;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0%;
    height: 2px;
    background: var(--red);
    box-shadow: 0 0 10px var(--red);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--red);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

.theme-btn:hover {
    border-color: var(--red);
    box-shadow: 0 0 10px var(--red);
}

/* =========================
   BUTTON SYSTEM
========================= */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

.btn-primary {
    background: var(--red);
    color: #fff;
    box-shadow: 0 0 18px rgba(229, 9, 20, 0.7);
}

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

.btn:hover {
    transform: translateY(-3px);
}

/* =========================
   HERO SECTION
========================= */
.hero {
    max-width: 1200px;
    margin: auto;
    padding: 90px 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.hero h2 {
    font-size: 3rem;
    line-height: 1.2;
}

.hero h2 span {
    color: var(--red);
    text-shadow: 0 0 20px var(--red);
}

.hero p {
    margin: 20px 0 30px;
    opacity: 0.85;
}

.hero-buttons {
    display: flex;
    gap: 18px;
}

.hero-image img {
    width: 100%;
    border-radius: 18px;
    box-shadow: 0 0 35px rgba(229, 9, 20, 0.6);
}

/* =========================
   COMMON SECTION STYLE
========================= */
section {
    max-width: 1200px;
    margin: auto;
    padding: 90px 24px;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 60px;
}

/* =========================
   FEATURES (POINTER)
========================= */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card);
    padding: 35px;
    border-radius: 18px;
    text-align: center;
    border: 1px solid var(--border);
    transition: 0.3s;
    cursor: pointer;
}

.feature-card:hover {
    box-shadow: 0 0 25px rgba(229, 9, 20, 0.6);
    transform: translateY(-6px);
}

.feature-card h3 {
    margin: 20px 0 10px;
}

/* =========================
   SERVICES (POINTER)
========================= */
.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.service-box {
    background: var(--card);
    padding: 40px;
    text-align: center;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: 0.3s;
    cursor: pointer;
}

.service-box:hover {
    box-shadow: 0 0 20px rgba(229, 9, 20, 0.5);
    transform: translateY(-4px);
}

/* =========================
   PRICING (POINTER)
========================= */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.price-card {
    background: var(--card);
    padding: 45px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border);
    transition: 0.3s;
    cursor: pointer;
}

.price-card:hover {
    box-shadow: 0 0 30px rgba(229, 9, 20, 0.6);
    transform: translateY(-6px);
}

.price {
    font-size: 2.2rem;
    color: var(--red);
    margin: 15px 0;
}

.price-card ul {
    list-style: none;
    margin: 25px 0;
}

.price-card ul li {
    margin: 10px 0;
    opacity: 0.85;
}

/* =========================
   CTA
========================= */
.cta {
    text-align: center;
    background: radial-gradient(circle, #160000, #000000);
    border-radius: 24px;
    box-shadow: inset 0 0 60px rgba(229, 9, 20, 0.6);
    cursor: pointer;
}

.cta h2 {
    font-size: 2.4rem;
}

.cta p {
    margin: 15px 0 30px;
}

/* =========================
   FOOTER
========================= */
.footer {
    text-align: center;
    padding: 25px;
    border-top: 1px solid var(--border);
    opacity: 0.8;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .nav-links {
        display: none;
    }
}