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

:root {
    --bg: #ffffff;
    --card: #ffffff;
    --soft: #f8f9ff;
    --text: #111827;
    --muted: #667085;
    --border: #e7e9ef;
    --primary: #5b45e8;
    --primary-light: #f0edff;
    --footer: #101525;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow-x: hidden;
    transition: background .25s ease, color .25s ease;
}

a {
    text-decoration: none;
    color: inherit;
}

button,
input {
    font: inherit;
}


/* HEADER */

.header {
    height: 72px;
    padding: 0 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;

    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border);

    position: sticky;
    top: 0;
    z-index: 1000;

    transition: background .25s ease;
}

.logo {
    display: flex;
    align-items: center;
    gap: 9px;

    font-size: 21px;
    font-weight: 700;
    white-space: nowrap;
}

.logo-mark {
    width: 34px;
    height: 34px;

    display: grid;
    place-items: center;

    background: var(--primary);
    color: white;

    border-radius: 9px;

    font-size: 18px;
    font-weight: 800;
}

.nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.nav > a,
.nav-item > button {
    border: 0;
    background: transparent;

    color: var(--text);

    font-size: 14px;
    font-weight: 600;

    cursor: pointer;
}

.nav > a:hover,
.nav-item > button:hover {
    color: var(--primary);
}


/* DROPDOWN */

.nav-item {
    position: relative;
}

.dropdown {
    position: absolute;

    top: 42px;
    left: 50%;
    transform: translateX(-50%);

    width: 760px;

    padding: 26px;

    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;

    box-shadow: 0 20px 55px rgba(20,20,50,.15);

    display: none;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.dropdown.show {
    display: grid;
}

.dropdown h4 {
    color: var(--primary);
    font-size: 13px;
    margin-bottom: 14px;
}

.dropdown a {
    display: block;

    color: var(--muted);

    font-size: 12px;

    margin: 10px 0;
}

.dropdown a:hover {
    color: var(--primary);
}


/* HEADER BUTTONS */

.header-actions {
    display: flex;
    gap: 8px;
}

.header-actions button {
    width: 36px;
    height: 36px;

    border: 1px solid var(--border);
    border-radius: 50%;

    background: var(--card);
    color: var(--text);

    cursor: pointer;
}

#menuBtn {
    display: none;
}


/* HERO */

.hero {
    padding: 100px 20px 75px;
    text-align: center;

    background:
        radial-gradient(circle at 20% 30%, #f2efff, transparent 30%),
        radial-gradient(circle at 80% 40%, #eef5ff, transparent 30%),
        var(--bg);
}

.hero-content {
    max-width: 850px;
    margin: auto;
}

.badge {
    display: inline-block;

    padding: 8px 16px;

    background: var(--primary-light);
    color: var(--primary);

    border-radius: 30px;

    font-size: 13px;
    font-weight: 600;

    margin-bottom: 25px;
}

.hero h1 {
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.05;
    letter-spacing: -2px;
}

.hero h1 span {
    display: block;
    color: var(--primary);
}

.hero p {
    max-width: 650px;

    margin: 25px auto;

    color: var(--muted);

    font-size: 17px;
}

.search-box {
    max-width: 620px;
    height: 58px;

    margin: 30px auto;

    display: flex;
    align-items: center;

    background: var(--card);

    border: 1px solid var(--border);
    border-radius: 15px;

    box-shadow: 0 10px 35px rgba(30,30,70,.08);

    overflow: hidden;
}

.search-box input {
    flex: 1;

    width: 100%;
    height: 100%;

    border: 0;
    outline: 0;

    padding: 0 20px;

    color: var(--text);
    background: transparent;
}

.search-box button {
    width: 58px;
    height: 100%;

    border: 0;

    background: transparent;
    color: var(--text);

    font-size: 24px;

    cursor: pointer;
}

.hero-points {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;

    gap: 24px;

    color: var(--muted);

    font-size: 13px;
}


/* ADS */

.ad-section {
    padding: 25px 5%;
}

.ad-box {
    max-width: 970px;
    min-height: 90px;

    margin: auto;

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

    background: var(--soft);

    border: 1px dashed #d7d9e5;
    border-radius: 12px;

    color: #9aa0ad;

    font-size: 13px;
}

.ad-box small {
    margin-top: 3px;
}


/* TOOLS */

.tools-section {
    max-width: 1200px;

    margin: auto;

    padding: 70px 25px;
}

.section-title {
    margin-bottom: 30px;
}

.section-title h2 {
    font-size: 30px;
    letter-spacing: -.5px;
}

.section-title p {
    color: var(--muted);
    margin-top: 5px;
}

.tool-grid {
    display: grid;

    grid-template-columns: repeat(3, 1fr);

    gap: 20px;
}

.tool-card {
    padding: 25px;

    background: var(--card);

    border: 1px solid var(--border);
    border-radius: 18px;

    transition: .2s ease;
}

.tool-card:hover {
    transform: translateY(-3px);

    box-shadow: 0 12px 35px rgba(30,30,70,.08);
}

.icon {
    width: 45px;
    height: 45px;

    display: grid;
    place-items: center;

    margin-bottom: 18px;

    border-radius: 12px;

    background: var(--primary-light);
    color: var(--primary);

    font-size: 21px;
}

.tool-card h3 {
    font-size: 19px;
}

.tool-card p {
    color: var(--muted);

    font-size: 13px;

    margin: 8px 0 15px;
}

.tool-card a {
    display: block;

    padding: 7px 0;

    color: var(--muted);

    font-size: 13px;
}

.tool-card a:hover {
    color: var(--primary);
}


/* BENEFITS */

.why {
    max-width: 1150px;

    margin: 20px auto 70px;

    padding: 28px;

    display: grid;

    grid-template-columns: repeat(4, 1fr);

    gap: 20px;

    background: var(--card);

    border: 1px solid var(--border);
    border-radius: 18px;
}

.why div {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.why strong {
    font-size: 15px;
}

.why span {
    color: var(--muted);
    font-size: 12px;
}


/* FAQ */

.faq {
    max-width: 850px;

    margin: auto;

    padding: 70px 25px;
}

.faq details {
    border-bottom: 1px solid var(--border);

    padding: 20px 5px;
}

.faq summary {
    cursor: pointer;

    font-size: 15px;
    font-weight: 600;
}

.faq p {
    color: var(--muted);

    padding-top: 12px;

    font-size: 14px;
}


/* FOOTER */

footer {
    margin-top: 20px;

    padding: 60px 6% 25px;

    background: var(--footer);

    color: white;
}

.footer-grid {
    max-width: 1200px;

    margin: auto;

    display: grid;

    grid-template-columns: 2fr repeat(3,1fr);

    gap: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;

    gap: 9px;

    margin-bottom: 12px;
}

.footer-logo .logo-mark {
    width: 30px;
    height: 30px;
}

.footer-grid h4 {
    margin-bottom: 15px;
}

.footer-grid p,
.footer-grid a {
    display: block;

    color: #aeb5c5;

    font-size: 13px;

    margin: 8px 0;
}

.footer-grid a:hover {
    color: white;
}

.copyright {
    max-width: 1200px;

    margin: 45px auto 0;

    padding-top: 20px;

    border-top: 1px solid #252b3d;

    color: #858da0;

    font-size: 12px;
}


/* DARK MODE */

body.dark-mode {
    --bg: #0b0f19;
    --card: #111827;
    --soft: #0f1420;
    --text: #f5f7fa;
    --muted: #9ca3af;
    --border: #252b3a;
    --primary-light: #211b42;
    --footer: #05070c;
}

body.dark-mode .header {
    background: rgba(11,15,25,.96);
}

body.dark-mode .hero {
    background:
        radial-gradient(circle at 20% 30%, #191334, transparent 30%),
        radial-gradient(circle at 80% 40%, #101d38, transparent 30%),
        var(--bg);
}

body.dark-mode .tool-card:hover {
    box-shadow: 0 12px 35px rgba(0,0,0,.3);
}

body.dark-mode .ad-box {
    border-color: #303747;
}

body.dark-mode .dropdown {
    box-shadow: 0 20px 55px rgba(0,0,0,.4);
}


/* TABLET */

@media (max-width: 1000px) {

    .nav {
        gap: 18px;
    }

    .dropdown {
        width: 680px;
    }

    .tool-grid {
        grid-template-columns: repeat(2,1fr);
    }

    .why {
        margin-left: 20px;
        margin-right: 20px;
    }
}


/* MOBILE */

@media (max-width: 700px) {

    .header {
        height: 65px;
        padding: 0 18px;
    }

    .logo {
        font-size: 19px;
    }

    .nav {
        display: none;
    }

    #menuBtn {
        display: block;
    }

    .hero {
        padding: 70px 20px 55px;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: -1px;
    }

    .hero p {
        font-size: 15px;
    }

    .hero-points {
        gap: 12px;
    }

    .ad-section {
        padding: 18px;
    }

    .ad-box {
        min-height: 80px;
    }

    .tools-section {
        padding: 55px 18px;
    }

    .section-title h2 {
        font-size: 27px;
    }

    .tool-grid {
        grid-template-columns: 1fr;
    }

    .why {
        grid-template-columns: repeat(2,1fr);

        margin: 10px 18px 55px;

        padding: 20px;
    }

    .faq {
        padding: 55px 18px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;

        gap: 30px 20px;
    }

    .footer-grid > div:first-child {
        grid-column: 1 / -1;
    }

    .dropdown {
        display: none !important;
    }
}


/* SMALL MOBILE */

@media (max-width: 420px) {

    .hero h1 {
        font-size: 35px;
    }

    .hero-points {
        flex-direction: column;
        gap: 8px;
    }

    .why {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid > div:first-child {
        grid-column: auto;
    }
}