:root {
    --primary-1: #4B47FF;
    --primary-2: #00BEE8;
    --bg-color: #141D2F;
    --text-color: #FFFFFF;
}

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

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Poppins-Regular', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =========================
   LAYOUT WRAPPERS
========================= */

.all-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    flex: 1;
}

.content {
    display: flex;
    flex-direction: column;
    width: 100%;
    flex: 1;
}

/* =========================
   HEADER
========================= */

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 37px 100px;
    background-color: var(--bg-color);
    width: 100%;
}

.header__logo,
h2 {
    color: white;
    font-size: 35px;
    font-family: 'Poppins-Bold';
    font-weight: bold;
}

.header__logo-i {
    display: inline-block;
    color: white;
    font-family: 'Poppins-Bold';
    font-weight: bold;
    font-size: 35px;
    background: linear-gradient(to bottom,
            var(--primary-2) 0 35%,
            white 35% 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

.header__logo-o {
    display: inline-block;
    color: white;
    font-family: 'Poppins-Bold';
    font-weight: bold;
    font-size: 35px;
    background: linear-gradient(to right,
            white 0 50%,
            var(--primary-1) 50% 100%);

    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}

/* =========================
   LANGUAGE SWITCH
========================= */

.header__language-switcher {
    display: flex;
    gap: 14px;
}

.header__language-button {
    padding: 5px 10px;
    border-radius: 10px;
    border: 1px solid var(--primary-1);
    background: transparent;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: 0.2s ease;
}

.header__language-button:hover {
    border-color: var(--primary-2);
    color: var(--primary-2);
}

.header__language-button--active {
    background: var(--primary-1);
    border: none;
    pointer-events: none;
}

/* =========================
   MAIN CONTENT
========================= */

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 80px 100px;
    flex: 1;
}

/* TITLE */
h1 {
    font-family: 'Poppins-Bold';
    font-size: 64px;
    margin-bottom: 60px;
}

/* =========================
   SECTIONS + ANIMATION
========================= */

section {
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 190, 232, 0.15);

    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards;
}

/* stagger animation */
section:nth-of-type(1) { animation-delay: 0.1s; }
section:nth-of-type(2) { animation-delay: 0.2s; }
section:nth-of-type(3) { animation-delay: 0.3s; }
section:nth-of-type(4) { animation-delay: 0.4s; }
section:nth-of-type(5) { animation-delay: 0.5s; }
section:nth-of-type(6) { animation-delay: 0.6s; }
section:nth-of-type(7) { animation-delay: 0.7s; }
section:nth-of-type(8) { animation-delay: 0.8s; }

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

/* =========================
   TYPOGRAPHY
========================= */

h2 {
    font-family: 'Poppins-Bold';
    font-size: 32px;
    color: var(--primary-2);
    margin: 40px 0 12px;
}

h3 {
    font-family: 'Poppins-Bold';
    font-size: 20px;
    color: var(--primary-1);
    margin: 20px 0 10px;
}

p {
    font-size: 16px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
}

ul {
    margin: 10px 0 20px 20px;
}

li {
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.85);
}

strong {
    color: var(--primary-2);
    font-family: 'Poppins-Bold';
}

/* LINKS */
a {
    color: var(--primary-2);
    text-decoration: none;
    transition: 0.2s ease;
}

/* a:hover {
    color: var(--primary-1);
} */

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

.footer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px 100px;
    border-top: 4px solid var(--primary-1);
    margin-top: auto;
}

.footer__copyright {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
}

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

@media (max-width: 768px) {
    .header {
        padding: 20px 24px;
    }

    main {
        padding: 60px 24px;
    }

    h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 24px;
    }

    .footer {
        padding: 40px 24px;
    }
}