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

body {
    font-family: 'Segoe UI', sans-serif;
    background: radial-gradient(circle at top, #1e3a8a, #020617);
    color: #e2e8f0;
    line-height: 1.6;
}

/* =========================
   NAVIGATION
========================= */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    position: relative;
}

.logo {
    font-weight: bold;
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
}

.nav-links a {
    margin-left: 20px;
    text-decoration: none;
    color: #e2e8f0;
    position: relative;
}

/* underline hover */
.nav-links a::after {
    content: "";
    position: absolute;
    width: 0%;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #06b6d4;
    transition: 0.3s;
}

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

/* hamburger */
.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* =========================
   HERO / HEADERS
========================= */
.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero h1 {
    font-size: 2.8rem;
    background: linear-gradient(to right, #38bdf8, #06b6d4);
    -webkit-background-clip: text;
    color: transparent;
}

.hero p {
    margin-top: 15px;
    color: #cbd5f5;
}

/* =========================
   LAYOUT
========================= */
.container,
.section {
    max-width: 1100px;
    margin: auto;
    padding: 60px 20px;
    text-align: center;
}

/* =========================
   GRID SYSTEM
========================= */
.grid,
.cards,
.pricing {
    display: grid;
    gap: 25px;
    margin-top: 40px;
}

.grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.cards,
.pricing {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* =========================
   CARDS
========================= */
.card,
.price-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(12px);
    padding: 30px;
    border-radius: 12px;
    transition: 0.3s;
    position: relative;
}

.card:hover,
.price-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* featured pricing */
.featured {
    border: 1px solid #06b6d4;
    transform: scale(1.05);
}

.featured::before {
    content: "Most Popular";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #06b6d4;
    color: #020617;
    padding: 5px 12px;
    font-size: 12px;
    border-radius: 20px;
}

/* =========================
   ICONS
========================= */
.icon,
.card i {
    font-size: 28px;
    color: #06b6d4;
    margin-bottom: 10px;
}

/* =========================
   BUTTONS
========================= */
.btn {
    display: inline-block;
    margin-top: 20px;
    padding: 14px 30px;
    border-radius: 8px;
    background: linear-gradient(135deg, #06b6d4, #3b82f6);
    color: white;
    border: none;
    cursor: pointer;
    transition: 0.3s;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(6,182,212,0.4);
}

/* full-width button (forms) */
.btn-block {
    width: 100%;
}

/* =========================
   FORM STYLES
========================= */
form {
    margin-top: 20px;
}

input,
textarea,
select {
    width: 100%;
    padding: 14px;
    margin: 12px 0;
    border: none;
    border-radius: 8px;
    background: #020617;
    color: #e2e8f0;
    outline: none;
    transition: 0.3s;
}

input:focus,
textarea:focus,
select:focus {
    box-shadow: 0 0 0 2px #06b6d4;
}

/* =========================
   CTA
========================= */
.cta {
    text-align: center;
    margin-top: 60px;
}

/* =========================
   FOOTER
========================= */
footer {
    text-align: center;
    padding: 30px;
    background: #020617;
    margin-top: 60px;
}

/* =========================
   MOBILE RESPONSIVE
========================= */
@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 70px;
        right: 0;
        width: 100%;
        background: #020617;
        flex-direction: column;
        display: none;
        padding: 20px;
    }

    .nav-links a {
        margin: 10px 0;
    }

    .nav-links.active {
        display: flex;
    }

    .hero h1 {
        font-size: 2rem;
    }
}