:root {
    --primary-color: #0D6EFD;
    --dark-color: #0B1F33;
    --light-color: #F4F9FC;
    --text-color: #1F2937;
    --muted-color: #6B7280;
    --white-color: #FFFFFF;
}


/* ==============================
   GENERAL STYLES
   ============================== */

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text-color);
    background-color: var(--white-color);
}


/* ==============================
   NAVBAR
   ============================== */

.navbar {
    padding: 18px 0;
    border-bottom: 1px solid #e9ecef;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar .nav-link {
    font-weight: 500;
    margin-left: 15px;
}

.navbar .btn {
    font-weight: 600;
}


/* ==============================
   PRIMARY BUTTONS
   ============================== */

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

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}


/* ==============================
   HERO SECTION
   ============================== */

.hero-section {
    padding: 100px 0;
    background-color: var(--light-color);
}

.hero-section h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 700;
    margin-bottom: 25px;
}

.hero-section p {
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: 30px;
    max-width: 550px;
}

.hero-section .btn {
    padding: 12px 24px;
    font-weight: 600;
    margin-right: 10px;
}

.hero-section img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}


/* ==============================
   SECTION HEADINGS
   ============================== */

.benefits-section h2,
.plans-section h2,
.how-it-works-section h2,
.signup-section h2,
.contact-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}


/* ==============================
   BENEFITS SECTION
   ============================== */

.benefits-section {
    padding: 80px 0;
}

.benefits-section .card {
    padding: 25px;
    border: 1px solid #dee2e6;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefits-section .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.benefits-section .card-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
}


/* ==============================
   PLANS SECTION
   ============================== */

.plans-section {
    padding: 80px 0;
}

.plan-card {
    padding: 20px;
    border: 1px solid #dee2e6;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.plan-card.recommended {
    border: 2px solid #0d6efd;
    transform: scale(1.03);
}

.plan-card.recommended:hover {
    transform: scale(1.03) translateY(-5px);
}

.plan-card .price {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 20px 0;
}

.plan-card .price span {
    font-size: 1rem;
    font-weight: 400;
}

.plan-card li {
    margin-bottom: 12px;
}

.plan-card .btn {
    margin-top: 20px;
    width: 100%;
}

.plan-summary {
    margin-top: 15px;
    padding: 15px;
    border-radius: 8px;
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
}


/* ==============================
   HOW IT WORKS SECTION
   ============================== */

.how-it-works-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

.step {
    padding: 25px;
}

.step-number {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
}

.step h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.step p {
    line-height: 1.6;
}


/* ==============================
   SIGNUP SECTION
   ============================== */

.signup-section {
    padding: 80px 0;
    background-color: #ffffff;
}

.signup-section form {
    padding: 35px;
    border: 1px solid #dee2e6;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.signup-section .form-control,
.signup-section .form-select {
    min-height: 48px;
}

.signup-section .btn {
    min-height: 48px;
    padding: 10px 30px;
}


/* ==============================
   CONTACT SECTION
   ============================== */

.contact-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.contact-section h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.contact-section p {
    margin-bottom: 0;
}


/* ==============================
   FOOTER
   ============================== */

.footer-section {
    padding: 30px 0;
    background-color: var(--dark-color);
    color: var(--white-color);
}

.footer-link {
    color: white;
    text-decoration: none;
    margin-left: 20px;
}

.footer-link:hover {
    text-decoration: underline;
}


/* ==============================
   MOBILE RESPONSIVE STYLES
   ============================== */

@media (max-width: 767.98px) {

    /* Hero */

    .hero-section {
        padding: 60px 0;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .hero-section .btn {
        margin-bottom: 10px;
        margin-right: 5px;
    }


    /* Recommended plan */

    .plan-card.recommended {
        transform: none;
    }

    .plan-card.recommended:hover {
        transform: translateY(-5px);
    }


    /* Signup */

    .signup-section {
        padding: 50px 0;
    }

    .signup-section form {
        padding: 20px;
    }


    /* Contact */

    .contact-section {
        padding: 60px 0;
    }


    /* Footer */

    .footer-section {
        text-align: center;
    }

    .footer-link {
        display: inline-block;
        margin: 10px 8px 0;
    }
}