/* =========================
   GLOBAL RESET
========================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #0b1020;
    color: #ffffff;
}

/* =========================
   LANDING PAGE
========================= */

.landing-page {
    min-height: 100vh;
    min-height: 100svh;
    width: 100%;

    display: flex;
    align-items: center;
    justify-content: center;

    position: relative;
    overflow: hidden;

    background:
        radial-gradient(
            circle at center,
            #202950 0%,
            #11182e 40%,
            #0b1020 75%
        );
}

/* Decorative background glow */

.landing-page::before {
    content: "";
    position: absolute;

    width: 350px;
    height: 350px;

    border-radius: 50%;
    background: #6366f1;
    opacity: 0.08;
    filter: blur(100px);

    pointer-events: none;
}

/* =========================
   CENTER CONTENT
========================= */

.logo-container {
    position: relative;
    z-index: 1;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;

    text-align: center;
    gap: 18px;

    padding: 24px;
}

/* =========================
   PNG LOGO
========================= */

.logo-icon {
    width: 150px;
    height: 150px;
    margin-bottom: 8px;

    animation:
        logoEntrance 1.2s ease-out both,
        floatLogo 3s ease-in-out 1.2s infinite;

    transition: filter 0.3s ease;
}

.logo-icon img {
    display: block;

    width: 100%;
    height: 100%;

    object-fit: contain;

    filter:
        drop-shadow(0 0 12px #818cf855);
}

/* Hover glow */

.logo-icon:hover {
    filter:
        drop-shadow(0 0 16px #818cf8)
        drop-shadow(0 0 30px #6366f155);
}

/* =========================
   BRAND NAME
========================= */

.brand-name {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 800;

    letter-spacing: 12px;
    padding-left: 12px;

    animation: fadeInUp 1s ease-out 0.3s both;
}

/* =========================
   TAGLINE
========================= */

.tagline {
    color: #a5b4fc;

    font-size: 1.1rem;
    letter-spacing: 1px;

    animation: fadeInUp 1s ease-out 0.5s both;
}

/* =========================
   BUTTON
========================= */

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    margin-top: 14px;
    padding: 15px 30px;

    border: 1px solid transparent;
    border-radius: 50px;

    background: #6366f1;
    color: #ffffff;

    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;

    transition:
        background 0.3s ease,
        transform 0.3s ease,
        box-shadow 0.3s ease;

    animation: fadeInUp 1s ease-out 0.7s both;
}

.cta-button:hover {
    background: #818cf8;
    transform: translateY(-3px);

    box-shadow:
        0 8px 30px #6366f155;
}

.cta-button:active {
    transform: translateY(0);
}

.cta-button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 5px;
}

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

.footer {
    position: absolute;
    z-index: 1;

    bottom: 28px;
    left: 20px;
    right: 20px;

    text-align: center;

    color: #64748b;
    font-size: 0.7rem;
    letter-spacing: 3px;
}

/* =========================
   ANIMATIONS
========================= */

/* Logo zooms and rotates into view */

@keyframes logoEntrance {
    0% {
        opacity: 0;
        transform: scale(0.3) rotate(-25deg);
    }

    70% {
        opacity: 1;
        transform: scale(1.1) rotate(5deg);
    }

    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Gentle floating motion */

@keyframes floatLogo {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Content appears from below */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@media (max-width: 480px) {
    .logo-icon {
        width: 80px;
        height: 80px;
    }

    .logo-container {
        gap: 14px;
        padding: 20px;
    }

    .brand-name {
        letter-spacing: 8px;
        padding-left: 8px;
    }

    .tagline {
        font-size: 1rem;
    }

    .cta-button {
        padding: 13px 26px;
    }

    .footer {
        bottom: 20px;
        font-size: 0.6rem;
        letter-spacing: 2px;
    }
}

/* =========================
   ACCESSIBILITY
========================= */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
        scroll-behavior: auto !important;
    }
}