/* =========================
   BASE SYSTEM
========================= */

body{
    background: #0b1220;
    font-family: "Poppins", sans-serif;
    color: #fff;
}

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

#hero-section{
    padding: 120px 0;
    background: radial-gradient(circle at top, #1d4ed8 0%, #0b1220 60%);
    text-align: center;
}

#hero-section h1{
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
}

#hero-section p{
    max-width: 850px;
    margin: 20px auto;
    opacity: 0.85;
}

/* CTA buttons spacing */
#hero-section .btn{
    margin-top: 10px;
}

/* =========================
   PROBLEM SECTION (RED TONE)
========================= */

#problem-section{
    padding: 90px 0;
    background: linear-gradient(180deg, #1a0f14, #0b1220);
    text-align: center;
}

#problem-section h2{
    font-weight: 700;
    margin-bottom: 10px;
}

#problem-section p{
    opacity: 0.75;
}

/* cards inside problem */
#problem-section .glass-card{
    background: rgba(255, 0, 60, 0.08);
    border: 1px solid rgba(255, 0, 60, 0.2);
}

/* =========================
   SOLUTION SECTION (GREEN TONE)
========================= */

#solution-section{
    padding: 90px 0;
    background: linear-gradient(180deg, #0f1a12, #0b1220);
    text-align: center;
}

#solution-section h2{
    font-weight: 700;
}

#solution-section p{
    opacity: 0.75;
}

/* solution cards */
#solution-section .glass-card{
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    transition: 0.25s ease;
}

#solution-section .glass-card:hover{
    transform: translateY(-6px);
}

/* =========================
   TRUST SECTION (PURPLE TONE)
========================= */

#trust-section{
    padding: 90px 0;
    background: linear-gradient(180deg, #120f1a, #0b1220);
    text-align: center;
}

#trust-section h2{
    font-weight: 700;
}

#trust-section p{
    opacity: 0.75;
}

/* trust cards */
#trust-section .glass-card{
    background: rgba(168, 85, 247, 0.08);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* numbers */
#trust-section h3{
    font-size: 2rem;
    font-weight: 700;
}

/* =========================
   CTA SECTION (GOLD CONVERSION ZONE)
========================= */

#cta-section{
    padding: 100px 0;
    background: linear-gradient(180deg, #1a140b, #0b1220);
    text-align: center;
}

#cta-section h2{
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

#cta-section p{
    opacity: 0.75;
    margin-bottom: 25px;
}

/* primary CTA button */
#cta-section .btn-primary{
    background: #f59e0b;
    border: none;
    color: #000;
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 999px;
    transition: 0.2s ease;
}

#cta-section .btn-primary:hover{
    background: #fbbf24;
    transform: translateY(-2px);
}

/* =========================
   GLOBAL GLASS CARD (REUSABLE COMPONENT)
========================= */

.glass-card{
    border-radius: 16px;
    padding: 28px;
    height: 100%;
    backdrop-filter: blur(10px);
    transition: 0.25s ease;
}

.glass-card:hover{
    transform: translateY(-6px);
}

/* card text */
.glass-card p{
    opacity: 0.8;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 768px){

    #hero-section{
        padding: 90px 0;
    }

    #hero-section h1{
        font-size: 2rem;
    }

    #problem-section,
    #solution-section,
    #trust-section{
        padding: 70px 0;
    }

    #cta-section{
        padding: 70px 0;
    }

    .glass-card{
        padding: 20px;
    }
}