/* =========================================================
   CONVERTLY — PREMIUM UNIT CONVERTER
   style.css
========================================================= */


/* =========================================================
   1. RESET
========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    overflow-x: hidden;

    font-family: "DM Sans", sans-serif;

    background: #f7f8fc;
    color: #20212a;

    transition:
        background 0.3s ease,
        color 0.3s ease;
}

button,
input,
select {
    font: inherit;
}

button {
    cursor: pointer;
}

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


/* =========================================================
   2. CSS VARIABLES
========================================================= */

:root {

    --background: #f7f8fc;

    --surface: #ffffff;

    --surface-transparent:
        rgba(255, 255, 255, 0.78);

    --text: #20212a;

    --muted: #70727e;

    --border: #e3e5eb;

    --accent: #ff4d3d;

    --accent-dark: #e43c2f;

    --accent-light: #fff0ed;

    --shadow:
        0 18px 50px rgba(31, 34, 49, 0.07);

    --radius: 22px;
}


/* =========================================================
   3. DARK MODE VARIABLES
========================================================= */

body.dark {

    --background: #0d0f14;

    --surface: #181b23;

    --surface-transparent:
        rgba(24, 27, 35, 0.82);

    --text: #f4f5f8;

    --muted: #a7aab5;

    --border: #2b2e38;

    --accent: #ff5b4c;

    --accent-dark: #ff6b5d;

    --accent-light: #301c1a;

    --shadow:
        0 20px 60px rgba(0, 0, 0, 0.28);
}


/* =========================================================
   4. BACKGROUND AMBIENT EFFECTS
========================================================= */

.ambient {

    position: fixed;

    z-index: -1;

    border-radius: 50%;

    filter: blur(80px);

    pointer-events: none;

    opacity: 0.5;
}

.ambient-one {

    width: 380px;
    height: 380px;

    left: -160px;
    top: 80px;

    background: #ffe0dc;
}

.ambient-two {

    width: 450px;
    height: 450px;

    right: -180px;
    top: 330px;

    background: #e7e9ff;
}

body.dark .ambient-one {

    background: #421e23;

    opacity: 0.35;
}

body.dark .ambient-two {

    background: #202348;

    opacity: 0.35;
}


/* =========================================================
   5. HEADER
========================================================= */

.site-header {

    height: 78px;

    padding:
        0 clamp(20px, 5vw, 72px);

    display: flex;

    align-items: center;

    gap: 55px;

    position: sticky;

    top: 0;

    z-index: 100;

    border-bottom:
        1px solid var(--border);

    background:
        rgba(255, 255, 255, 0.76);

    backdrop-filter:
        blur(18px);

    -webkit-backdrop-filter:
        blur(18px);

    transition:
        background 0.3s ease,
        border-color 0.3s ease;
}

body.dark .site-header {

    background:
        rgba(13, 15, 20, 0.78);
}


/* =========================================================
   6. LOGO
========================================================= */

.brand {

    display: flex;

    align-items: center;

    gap: 10px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 22px;

    font-weight: 800;

    letter-spacing: -0.7px;

    white-space: nowrap;
}


/* Logo icon */

.brand-mark {

    width: 31px;
    height: 31px;

    position: relative;

    display: inline-flex;

    align-items: center;

    justify-content: center;
}

.brand-mark span {

    position: absolute;

    width: 15px;
    height: 15px;

    border-radius: 5px;

    background:
        var(--accent);

    transform:
        rotate(45deg);
}

.brand-mark span:first-child {

    left: 3px;
    top: 7px;
}

.brand-mark span:last-child {

    right: 3px;
    bottom: 7px;

    background:
        #ff887d;

    opacity: 0.55;
}


/* =========================================================
   7. NAVIGATION
========================================================= */

.main-nav {

    flex: 1;

    display: flex;

    align-items: center;

    gap: 32px;

    color: var(--muted);

    font-size: 14px;

    font-weight: 600;
}

.main-nav a {

    position: relative;

    padding:
        29px 0;

    transition:
        color 0.2s ease;
}

.main-nav a:hover {

    color: var(--text);
}

.main-nav a.active {

    color: var(--text);
}


/* Active underline */

.main-nav a.active::after {

    content: "";

    position: absolute;

    left: 0;
    right: 0;

    bottom: -1px;

    height: 2px;

    background:
        var(--accent);
}


/* =========================================================
   8. HEADER BUTTONS
========================================================= */

.header-actions {

    display: flex;

    gap: 9px;
}

.icon-button,
.menu-button {

    width: 40px;
    height: 40px;

    display: grid;

    place-items: center;

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

    border-radius: 11px;

    background:
        var(--surface-transparent);

    color:
        var(--text);

    transition:
        transform 0.2s ease,
        border-color 0.2s ease,
        background 0.2s ease;
}

.icon-button:hover,
.menu-button:hover {

    transform:
        translateY(-2px);

    border-color:
        var(--accent);
}

.menu-button {

    display: none;
}


/* =========================================================
   9. HERO
========================================================= */

.hero {

    max-width: 1120px;

    margin:
        0 auto;

    padding:
        82px 24px 52px;

    text-align: center;
}


/* Small badge */

.hero-badge {

    display: inline-flex;

    align-items: center;

    gap: 8px;

    padding:
        8px 14px;

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

    border-radius:
        999px;

    background:
        var(--surface-transparent);

    color:
        var(--muted);

    font-size: 12px;

    font-weight: 700;

    box-shadow:
        var(--shadow);

    animation:
        fadeUp 0.6s ease both;
}


/* Green dot */

.pulse-dot {

    width: 7px;
    height: 7px;

    border-radius: 50%;

    background: #36b37e;

    box-shadow:
        0 0 0 5px
        rgba(54, 179, 126, 0.12);

    animation:
        pulse 2s infinite;
}


/* =========================================================
   10. HERO TITLE
========================================================= */

.hero h1 {

    margin:
        22px 0 18px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size:
        clamp(40px, 6vw, 70px);

    line-height: 1.08;

    font-weight: 800;

    letter-spacing: -3px;

    animation:
        fadeUp 0.7s 0.08s ease both;
}

.hero h1 span {

    color:
        var(--accent);
}


/* Hero paragraph */

.hero > p {

    max-width: 720px;

    margin:
        0 auto;

    color:
        var(--muted);

    font-size: 17px;

    line-height: 1.7;

    animation:
        fadeUp 0.7s 0.16s ease both;
}


/* =========================================================
   11. SEARCH BOX
========================================================= */

.hero-search {

    max-width: 680px;

    height: 60px;

    margin:
        31px auto 23px;

    padding:
        0 15px;

    display: flex;

    align-items: center;

    gap: 10px;

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

    border-radius:
        16px;

    background:
        var(--surface);

    box-shadow:
        var(--shadow);

    text-align: left;

    transition:
        border-color 0.25s ease,
        box-shadow 0.25s ease;

    animation:
        fadeUp 0.7s 0.22s ease both;
}

.hero-search:focus-within {

    border-color:
        var(--accent);

    box-shadow:
        0 0 0 4px
        rgba(255, 77, 61, 0.08);
}


/* Search icon */

.search-icon {

    color:
        #9b9da6;

    font-size: 28px;

    line-height: 1;

    transform:
        rotate(-20deg);
}


/* Search input */

.hero-search input {

    width: 100%;

    border: none;

    outline: none;

    background: transparent;

    color:
        var(--text);

    font-size: 15px;
}

.hero-search input::placeholder {

    color:
        #9a9ca5;
}


/* Keyboard shortcut */

.hero-search kbd {

    padding:
        5px 8px;

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

    border-radius: 7px;

    color:
        var(--muted);

    font-size: 11px;

    white-space: nowrap;
}


/* =========================================================
   12. CATEGORY PILLS
========================================================= */

.category-pills {

    display: flex;

    justify-content: center;

    flex-wrap: wrap;

    gap: 9px;
}

.pill {

    padding:
        9px 15px;

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

    border-radius:
        999px;

    background:
        var(--surface-transparent);

    color:
        var(--muted);

    font-size: 13px;

    font-weight: 600;

    transition:
        transform 0.2s ease,
        color 0.2s ease,
        background 0.2s ease,
        border-color 0.2s ease;
}

.pill:hover {

    transform:
        translateY(-2px);

    color:
        var(--text);
}

.pill.active {

    background:
        #252630;

    border-color:
        #252630;

    color:
        #ffffff;
}

body.dark .pill.active {

    background:
        #ffffff;

    border-color:
        #ffffff;

    color:
        #15161b;
}


/* =========================================================
   13. COMMON SECTION
========================================================= */

.tools-section,
.popular-section,
.about-section {

    max-width: 1440px;

    margin:
        0 auto;

    padding:
        54px clamp(20px, 4vw, 48px);
}


/* =========================================================
   14. SECTION HEADING
========================================================= */

.section-heading {

    display: flex;

    justify-content: space-between;

    align-items: flex-end;

    margin-bottom: 22px;
}

.eyebrow {

    display: block;

    color:
        var(--accent);

    font-size: 10px;

    font-weight: 800;

    letter-spacing: 1.5px;
}

.section-heading h2 {

    margin-top: 7px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 28px;

    font-weight: 800;

    letter-spacing: -1px;
}

.tool-count {

    color:
        var(--muted);

    font-size: 12px;

    font-weight: 600;
}


/* =========================================================
   15. TOOL GRID
========================================================= */

.tool-grid {

    display: grid;

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

    gap: 14px;
}


/* =========================================================
   16. TOOL CARD
========================================================= */

.tool-card {

    min-height: 215px;

    padding:
        25px 23px;

    position: relative;

    overflow: hidden;

    display: flex;

    flex-direction: column;

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

    border-radius:
        var(--radius);

    background:
        var(--surface-transparent);

    transition:
        transform 0.28s ease,
        box-shadow 0.28s ease,
        border-color 0.28s ease;

    animation:
        cardIn 0.5s ease both;
}


/* Decorative circle */

.tool-card::before {

    content: "";

    position: absolute;

    width: 160px;
    height: 160px;

    right: -85px;
    top: -80px;

    border-radius: 50%;

    background:
        var(--card-glow, #ffe8e5);

    opacity: 0.65;

    pointer-events: none;
}

body.dark .tool-card::before {

    opacity: 0.13;
}


/* Card hover */

.tool-card:hover {

    transform:
        translateY(-6px);

    border-color:
        #cfd1d9;

    box-shadow:
        var(--shadow);
}


/* =========================================================
   17. TOOL ICON
========================================================= */

.tool-icon {

    width: 49px;
    height: 49px;

    display: grid;

    place-items: center;

    margin-bottom: 18px;

    border-radius: 14px;

    background:
        var(--icon-bg, #fff0ed);

    font-size: 24px;

    position: relative;

    z-index: 1;

    transition:
        transform 0.25s ease;
}

.tool-card:hover .tool-icon {

    transform:
        scale(1.08)
        rotate(-3deg);
}


/* =========================================================
   18. TOOL TEXT
========================================================= */

.tool-card h3 {

    margin-bottom: 7px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 17px;

    font-weight: 700;
}

.tool-card p {

    max-width: 245px;

    color:
        var(--muted);

    font-size: 13px;

    line-height: 1.55;
}


/* =========================================================
   19. TOOL BUTTON
========================================================= */

.tool-link {

    margin-top: auto;

    padding-top: 18px;

    border: none;

    background: transparent;

    color:
        var(--accent);

    font-size: 12px;

    font-weight: 800;

    transition:
        transform 0.2s ease;
}

.tool-link:hover {

    transform:
        translateX(5px);
}


/* =========================================================
   20. EMPTY SEARCH
========================================================= */

.empty-state {

    padding:
        70px 20px;

    text-align: center;
}

.empty-icon {

    color:
        var(--muted);

    font-size: 42px;
}

.empty-state h3 {

    margin:
        10px 0 5px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;
}

.empty-state p {

    color:
        var(--muted);
}


/* =========================================================
   21. POPULAR CONVERSIONS
========================================================= */

.popular-grid {

    display: grid;

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

    gap: 13px;
}

.quick-card {

    position: relative;

    padding:
        20px;

    text-align: left;

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

    border-radius:
        17px;

    background:
        var(--surface-transparent);

    color:
        var(--text);

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

.quick-card:hover {

    transform:
        translateY(-4px);

    border-color:
        #cfd1d9;

    box-shadow:
        var(--shadow);
}

.quick-card span {

    display: block;

    margin-bottom: 6px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 19px;

    font-weight: 800;
}

.quick-card small {

    color:
        var(--muted);

    font-size: 12px;
}

.quick-card b {

    position: absolute;

    top: 22px;
    right: 18px;

    color:
        var(--accent);

    font-size: 18px;
}


/* =========================================================
   22. ABOUT CARD
========================================================= */

.about-card {

    display: grid;

    grid-template-columns:
        1fr 1fr;

    gap: 35px;

    align-items: center;

    padding:
        46px;

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

    border-radius:
        28px;

    background:
        linear-gradient(
            135deg,
            #ffffff,
            #f3f4fa
        );
}

body.dark .about-card {

    background:
        linear-gradient(
            135deg,
            #171a21,
            #111319
        );
}

.about-card h2 {

    margin-top: 8px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 35px;

    line-height: 1.2;

    font-weight: 800;

    letter-spacing: -1.5px;
}

.about-card h2 span {

    color:
        var(--accent);
}

.about-card > p {

    color:
        var(--muted);

    font-size: 15px;

    line-height: 1.7;
}


/* =========================================================
   23. STATS
========================================================= */

.stats {

    grid-column:
        1 / -1;

    display: flex;

    gap: 60px;

    padding-top: 24px;

    border-top:
        1px solid var(--border);
}

.stats div {

    display: flex;

    flex-direction: column;

    gap: 4px;
}

.stats strong {

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 23px;

    font-weight: 800;
}

.stats span {

    color:
        var(--muted);

    font-size: 12px;
}


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

.site-footer {
    width: 100%;
    margin-top: 80px;
    padding: 55px clamp(25px, 7vw, 110px) 25px;

    background: #292a32;
    color: #ffffff;

    border-top: 1px solid rgba(255, 255, 255, 0.08);
}


/* Footer top */

.footer-top {
    max-width: 1320px;
    margin: 0 auto;

    display: grid;
    grid-template-columns:
        1.1fr 1fr 1fr 1fr 1fr;

    gap: 45px;
}


/* Footer columns */

.footer-column h3 {
    margin-bottom: 22px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 14px;
    font-weight: 800;

    color: #ffffff;

    text-transform: uppercase;
}

.footer-column a {
    display: block;

    margin-bottom: 15px;

    color: #bfc0c7;

    font-size: 13px;
    font-weight: 500;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.footer-column a:hover {
    color: #ffffff;

    transform:
        translateX(3px);
}


/* Footer brand */

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;

    margin-bottom: 15px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 22px;
    font-weight: 800;

    color: #ffffff;
}

.footer-description {
    max-width: 220px;

    color: #9fa0a8;

    font-size: 12px;

    line-height: 1.7;
}


/* Footer divider */

.footer-divider {
    max-width: 1320px;

    height: 1px;

    margin:
        55px auto 24px;

    background:
        rgba(255, 255, 255, 0.2);
}


/* Footer bottom */

.footer-bottom {
    max-width: 1320px;

    margin: 0 auto;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 20px;
}


/* Language */

.language-select {
    padding:
        9px 13px;

    display: flex;
    align-items: center;
    gap: 8px;

    border:
        1px solid rgba(255, 255, 255, 0.35);

    border-radius: 6px;

    background: transparent;

    color: #ffffff;

    font-size: 12px;

    cursor: pointer;

    transition:
        background 0.2s ease,
        border-color 0.2s ease;
}

.language-select:hover {
    background:
        rgba(255, 255, 255, 0.08);

    border-color:
        rgba(255, 255, 255, 0.6);
}


/* Social icons */

.footer-social {
    display: flex;

    align-items: center;

    gap: 21px;

    margin-left: auto;
}

.footer-social a {
    width: 26px;
    height: 26px;

    display: grid;

    place-items: center;

    color: #bfc0c7;

    font-size: 18px;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.footer-social a:hover {
    color: #ffffff;

    transform:
        translateY(-3px);
}


/* Copyright */

.footer-copyright {
    color: #bfc0c7;

    font-size: 11px;

    white-space: nowrap;
}


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

@media (max-width: 900px) {

    .footer-top {
        grid-template-columns:
            repeat(3, 1fr);

        gap: 35px;
    }

    .footer-bottom {
        flex-wrap: wrap;
    }

    .footer-social {
        margin-left: 0;
    }
}


@media (max-width: 600px) {

    .site-footer {
        padding:
            45px 22px 22px;
    }

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

        gap: 35px 25px;
    }

    .footer-brand-column {
        grid-column:
            1 / -1;
    }

    .footer-divider {
        margin:
            40px auto 22px;
    }

    .footer-bottom {
        align-items:
            flex-start;

        flex-direction:
            column;
    }

    .footer-social {
        margin: 5px 0;
    }

    .footer-copyright {
        white-space:
            normal;
    }
}


@media (max-width: 400px) {

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

    .footer-brand-column {
        grid-column:
            auto;
    }
}

/* =========================================================
   25. MODAL BACKDROP
========================================================= */

.modal-backdrop {

    position: fixed;

    inset: 0;

    z-index: 500;

    display: grid;

    place-items: center;

    padding: 20px;

    background:
        rgba(12, 13, 18, 0.58);

    backdrop-filter:
        blur(8px);

    -webkit-backdrop-filter:
        blur(8px);
}


/* =========================================================
   26. CONVERTER MODAL
========================================================= */

.converter-modal {

    width:
        min(650px, 100%);

    padding:
        30px;

    position: relative;

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

    border-radius:
        27px;

    background:
        var(--surface);

    box-shadow:
        0 30px 90px
        rgba(0, 0, 0, 0.25);

    animation:
        modalIn 0.25s ease;
}


/* =========================================================
   27. MODAL CLOSE
========================================================= */

.modal-close {

    width: 34px;
    height: 34px;

    position: absolute;

    right: 18px;
    top: 17px;

    border: none;

    border-radius: 10px;

    background:
        var(--background);

    color:
        var(--muted);

    font-size: 23px;

    transition:
        color 0.2s ease,
        transform 0.2s ease;
}

.modal-close:hover {

    color:
        var(--accent);

    transform:
        rotate(90deg);
}


/* =========================================================
   28. MODAL HEADER
========================================================= */

.modal-top {

    display: flex;

    align-items: center;

    gap: 15px;

    margin-bottom: 27px;
}

.modal-icon {

    width: 55px;
    height: 55px;

    display: grid;

    place-items: center;

    border-radius: 16px;

    background:
        var(--accent-light);

    font-size: 27px;
}

.modal-top h2 {

    margin-top: 4px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 24px;

    font-weight: 800;
}


/* =========================================================
   29. CONVERTER BOX
========================================================= */

.converter-box {

    display: grid;

    grid-template-columns:
        1fr 46px 1fr;

    gap: 10px;

    align-items: end;
}


/* =========================================================
   30. FORM FIELD
========================================================= */

.field label {

    display: block;

    margin:
        0 0 7px 3px;

    color:
        var(--muted);

    font-size: 11px;

    font-weight: 800;

    letter-spacing: 0.8px;

    text-transform: uppercase;
}


/* =========================================================
   31. INPUT ROW
========================================================= */

.input-row {

    height: 54px;

    display: flex;

    overflow: hidden;

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

    border-radius: 13px;

    background:
        var(--background);

    transition:
        border-color 0.2s ease;
}

.input-row:focus-within {

    border-color:
        var(--accent);
}

.input-row input {

    width: 100%;

    min-width: 0;

    padding:
        0 14px;

    border: none;

    outline: none;

    background: transparent;

    color:
        var(--text);

    font-size: 16px;

    font-weight: 600;
}

.input-row select {

    max-width: 125px;

    padding:
        0 10px;

    border: none;

    border-left:
        1px solid var(--border);

    outline: none;

    background:
        var(--surface);

    color:
        var(--text);

    cursor: pointer;
}


/* Result */

.result-row input {

    color:
        var(--accent);
}


/* Copy */

.copy-button {

    padding:
        0 13px;

    border: none;

    background:
        var(--text);

    color:
        var(--surface);

    font-size: 11px;

    font-weight: 800;

    transition:
        background 0.2s ease;
}

.copy-button:hover {

    background:
        var(--accent);
}


/* =========================================================
   32. SWAP BUTTON
========================================================= */

.swap-button {

    width: 42px;
    height: 42px;

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

    border-radius: 12px;

    background:
        var(--surface-transparent);

    color:
        var(--text);

    font-size: 21px;

    transition:
        transform 0.3s ease,
        color 0.2s ease,
        border-color 0.2s ease;
}

.swap-button:hover {

    transform:
        rotate(180deg);

    color:
        var(--accent);

    border-color:
        var(--accent);
}


/* =========================================================
   33. FORMULA
========================================================= */

.formula {

    margin-top: 18px;

    padding:
        12px 14px;

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

    border-radius: 12px;

    background:
        var(--background);

    color:
        var(--muted);

    font-size: 12px;
}


/* =========================================================
   34. POPULAR UNIT CHIPS
========================================================= */

.popular-units {

    display: flex;

    flex-wrap: wrap;

    gap: 7px;

    margin-top: 15px;
}

.unit-chip {

    padding:
        7px 10px;

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

    border-radius:
        999px;

    background:
        transparent;

    color:
        var(--muted);

    font-size: 11px;

    transition:
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease;
}

.unit-chip:hover {

    border-color:
        var(--accent);

    color:
        var(--accent);
}


/* =========================================================
   35. TOAST
========================================================= */

.toast {

    position: fixed;

    z-index: 1000;

    left: 50%;
    bottom: 25px;

    padding:
        11px 16px;

    border-radius: 10px;

    background:
        #22232a;

    color:
        #ffffff;

    font-size: 12px;

    opacity: 0;

    pointer-events: none;

    transform:
        translate(-50%, 20px);

    transition:
        opacity 0.25s ease,
        transform 0.25s ease;
}

.toast.show {

    opacity: 1;

    transform:
        translate(-50%, 0);
}


/* =========================================================
   36. ANIMATIONS
========================================================= */

@keyframes fadeUp {

    from {

        opacity: 0;

        transform:
            translateY(15px);
    }

    to {

        opacity: 1;

        transform:
            translateY(0);
    }
}


@keyframes cardIn {

    from {

        opacity: 0;

        transform:
            translateY(12px);
    }

    to {

        opacity: 1;

        transform:
            translateY(0);
    }
}


@keyframes modalIn {

    from {

        opacity: 0;

        transform:
            scale(0.97)
            translateY(8px);
    }

    to {

        opacity: 1;

        transform:
            scale(1)
            translateY(0);
    }
}


@keyframes pulse {

    0%,
    100% {

        box-shadow:
            0 0 0 5px
            rgba(54, 179, 126, 0.12);
    }

    50% {

        box-shadow:
            0 0 0 9px
            rgba(54, 179, 126, 0.03);
    }
}


/* =========================================================
   37. TABLET
========================================================= */

@media (max-width: 1050px) {

    .tool-grid {

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

    .popular-grid {

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


/* =========================================================
   38. MOBILE NAVIGATION
========================================================= */

@media (max-width: 760px) {

    .site-header {

        height: 66px;

        padding:
            0 20px;

        justify-content:
            space-between;

        gap: 0;
    }

    .main-nav {

        display: none;
    }

    .menu-button {

        display: grid;
    }

    .hero {

        padding:
            58px 20px 45px;
    }

    .hero h1 {

        letter-spacing:
            -2px;
    }

    .hero > p {

        font-size: 15px;
    }

    .hero-search kbd {

        display: none;
    }

    .tool-grid {

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

    .about-card {

        grid-template-columns:
            1fr;

        padding:
            30px;
    }

    .stats {

        gap: 25px;
    }

    .site-footer {

        flex-wrap: wrap;
    }

    .footer-links {

        margin-left: 0;
    }

    .converter-box {

        grid-template-columns:
            1fr;
    }

    .swap-button {

        justify-self:
            center;
    }

    .converter-modal {

        padding:
            24px;
    }

    .input-row select {

        max-width:
            115px;
    }
}


/* =========================================================
   39. SMALL MOBILE
========================================================= */

@media (max-width: 480px) {

    .tool-grid,
    .popular-grid {

        grid-template-columns:
            1fr;
    }

    .hero {

        padding-left:
            16px;

        padding-right:
            16px;
    }

    .hero h1 {

        font-size:
            38px;
    }

    .category-pills {

        gap: 6px;
    }

    .pill {

        padding:
            8px 11px;
    }

    .tools-section,
    .popular-section,
    .about-section {

        padding-left:
            16px;

        padding-right:
            16px;
    }

    .section-heading h2 {

        font-size:
            23px;
    }

    .about-card h2 {

        font-size:
            27px;
    }

    .stats {

        display: grid;

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

        gap: 12px;
    }

    .stats strong {

        font-size:
            18px;
    }

    .site-footer {

        flex-direction:
            column;

        align-items:
            flex-start;
    }

    .footer-links {

        width: 100%;
    }
}

[hidden] {
    display: none !important;
}

/* =========================================================
   ABOUT PAGE — PREMIUM STYLING
========================================================= */

.about-hero {
    max-width: 900px;
    margin: 0 auto;
    padding: 90px 24px 65px;
    text-align: center;
    animation: aboutFadeUp 0.8s ease both;
}

.about-hero h1 {
    margin: 24px 0 20px;
    font-family: "Plus Jakarta Sans", sans-serif;
    font-size: clamp(42px, 6vw, 72px);
    line-height: 1.05;
    letter-spacing: -3px;
}

.about-hero h1 span,
.about-content-card h2 span,
.about-offer h2 span,
.about-cta h2 span {
    background: linear-gradient(
        135deg,
        #6d5dfc,
        #9b8cff
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.about-hero p {
    max-width: 700px;
    margin: 0 auto;
    color: var(--muted, #6b7280);
    font-size: 17px;
    line-height: 1.8;
}


/* =========================================================
   MISSION SECTION
========================================================= */

.about-content {
    max-width: 1200px;
    margin: 20px auto 100px;
    padding: 0 24px;

    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 70px;

    align-items: center;
}

.about-content-card {
    padding: 45px;

    border: 1px solid var(--border, #e7e7ec);
    border-radius: 28px;

    background:
        rgba(255, 255, 255, 0.72);

    box-shadow:
        0 25px 70px rgba(30, 30, 60, 0.08);

    backdrop-filter: blur(18px);

    animation: aboutFadeUp 0.9s ease both;
}

.about-content-icon {
    width: 52px;
    height: 52px;

    display: grid;
    place-items: center;

    margin-bottom: 25px;

    border-radius: 16px;

    background:
        linear-gradient(
            135deg,
            #6d5dfc,
            #9b8cff
        );

    color: white;
    font-size: 23px;

    box-shadow:
        0 12px 30px rgba(109, 93, 252, 0.25);
}

.eyebrow {
    display: inline-block;

    margin-bottom: 12px;

    font-size: 11px;
    font-weight: 800;

    letter-spacing: 1.8px;

    color: #6d5dfc;
}

.about-content-card h2 {
    margin: 5px 0 22px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.15;
    letter-spacing: -1.5px;
}

.about-content-card p {
    margin: 0 0 18px;

    color: var(--muted, #6b7280);

    font-size: 15px;
    line-height: 1.8;
}


/* =========================================================
   VISUAL CONVERSION CARD
========================================================= */

.about-visual {
    position: relative;

    min-height: 390px;

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

.visual-card {
    border: 1px solid rgba(255, 255, 255, 0.65);

    background:
        rgba(255, 255, 255, 0.76);

    box-shadow:
        0 25px 60px rgba(30, 30, 60, 0.12);

    backdrop-filter: blur(20px);
}

.visual-main {
    width: min(100%, 410px);

    padding: 42px 30px;

    display: flex;
    align-items: center;
    justify-content: center;
    gap: 17px;

    border-radius: 26px;

    font-size: 17px;
    font-weight: 700;

    transform: rotate(-2deg);

    animation:
        floatingCard 5s ease-in-out infinite;
}

.visual-main strong {
    font-size: 25px;
    color: #999aaa;
}

.accent-text {
    color: #6d5dfc;
}

.visual-small {
    position: absolute;

    padding: 13px 18px;

    border-radius: 14px;

    font-size: 13px;
    font-weight: 700;

    animation:
        floatingSmall 4s ease-in-out infinite;
}

.visual-small.one {
    top: 35px;
    right: 20px;
}

.visual-small.two {
    left: 5px;
    bottom: 85px;

    animation-delay: -1.5s;
}

.visual-small.three {
    right: 30px;
    bottom: 25px;

    animation-delay: -2.5s;
}


/* =========================================================
   FEATURES
========================================================= */

.about-features {
    max-width: 1200px;

    margin: 0 auto 100px;

    padding: 0 24px;
}

.section-heading {
    margin-bottom: 35px;
}

.section-heading h2 {
    margin: 5px 0 0;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: clamp(28px, 4vw, 40px);

    letter-spacing: -1.5px;
}

.feature-grid {
    display: grid;

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

    gap: 18px;
}

.feature-card {
    padding: 30px 25px;

    border: 1px solid var(--border, #e7e7ec);

    border-radius: 22px;

    background:
        var(--surface, #ffffff);

    transition:
        transform 0.3s ease,
        box-shadow 0.3s ease,
        border-color 0.3s ease;
}

.feature-card:hover {
    transform:
        translateY(-8px);

    border-color:
        rgba(109, 93, 252, 0.3);

    box-shadow:
        0 20px 45px rgba(30, 30, 60, 0.10);
}

.feature-icon {
    width: 48px;
    height: 48px;

    display: grid;
    place-items: center;

    margin-bottom: 20px;

    border-radius: 14px;

    background:
        rgba(109, 93, 252, 0.10);

    font-size: 21px;
}

.feature-card h3 {
    margin: 0 0 10px;

    font-size: 17px;
}

.feature-card p {
    margin: 0;

    color: var(--muted, #6b7280);

    font-size: 13px;
    line-height: 1.7;
}


/* =========================================================
   OUR TOOLS
========================================================= */

.about-offer {
    max-width: 1200px;

    margin: 0 auto 100px;

    padding: 0 24px;
}

.offer-card {
    position: relative;

    overflow: hidden;

    padding: 55px;

    border-radius: 30px;

    background:
        linear-gradient(
            135deg,
            #171821,
            #292a32
        );

    color: white;

    box-shadow:
        0 30px 80px rgba(20, 20, 35, 0.18);
}

.offer-card::before {
    content: "";

    position: absolute;

    width: 300px;
    height: 300px;

    top: -150px;
    right: -80px;

    border-radius: 50%;

    background:
        rgba(109, 93, 252, 0.28);

    filter: blur(30px);
}

.offer-card h2 {
    position: relative;

    max-width: 650px;

    margin: 5px 0 18px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: clamp(30px, 4vw, 45px);

    line-height: 1.15;

    letter-spacing: -1.5px;
}

.offer-card p {
    position: relative;

    max-width: 650px;

    margin-bottom: 30px;

    color: #b9bac2;

    font-size: 15px;
    line-height: 1.7;
}

.offer-tags {
    position: relative;

    display: flex;

    flex-wrap: wrap;

    gap: 10px;
}

.offer-tags span {
    padding: 10px 15px;

    border: 1px solid
        rgba(255, 255, 255, 0.12);

    border-radius: 100px;

    background:
        rgba(255, 255, 255, 0.06);

    color: #dedee5;

    font-size: 12px;
    font-weight: 600;

    transition:
        background 0.2s ease,
        transform 0.2s ease;
}

.offer-tags span:hover {
    background:
        rgba(255, 255, 255, 0.12);

    transform:
        translateY(-2px);
}


/* =========================================================
   STATS
========================================================= */

.about-stats {
    max-width: 1100px;

    margin: 0 auto 100px;

    padding: 0 24px;

    display: grid;

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

    gap: 1px;

    overflow: hidden;

    border:
        1px solid var(--border, #e7e7ec);

    border-radius: 24px;

    background:
        var(--border, #e7e7ec);
}

.about-stats > div {
    padding: 30px 20px;

    text-align: center;

    background:
        var(--surface, #ffffff);
}

.about-stats strong {
    display: block;

    margin-bottom: 6px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 28px;

    letter-spacing: -1px;
}

.about-stats span {
    color: var(--muted, #6b7280);

    font-size: 12px;
}


/* =========================================================
   CTA
========================================================= */

.about-cta {
    max-width: 1200px;

    margin: 0 auto 100px;

    padding: 45px 50px;

    display: flex;

    align-items: center;

    justify-content: space-between;

    gap: 30px;

    border:
        1px solid var(--border, #e7e7ec);

    border-radius: 26px;

    background:
        var(--surface, #ffffff);

    box-shadow:
        0 20px 60px rgba(30, 30, 60, 0.07);
}

.about-cta h2 {
    margin: 5px 0 10px;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: clamp(27px, 4vw, 40px);

    letter-spacing: -1.5px;
}

.about-cta p {
    margin: 0;

    color: var(--muted, #6b7280);

    font-size: 14px;
}

.cta-button {
    flex-shrink: 0;

    padding: 14px 22px;

    border-radius: 12px;

    background:
        #6d5dfc;

    color: white;

    font-size: 13px;
    font-weight: 700;

    text-decoration: none;

    box-shadow:
        0 12px 25px rgba(109, 93, 252, 0.22);

    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease;
}

.cta-button:hover {
    transform:
        translateY(-3px);

    box-shadow:
        0 18px 32px rgba(109, 93, 252, 0.30);
}


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

@keyframes aboutFadeUp {

    from {
        opacity: 0;
        transform:
            translateY(25px);
    }

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

}


@keyframes floatingCard {

    0%,
    100% {
        transform:
            translateY(0)
            rotate(-2deg);
    }

    50% {
        transform:
            translateY(-10px)
            rotate(0deg);
    }

}


@keyframes floatingSmall {

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

    50% {
        transform:
            translateY(-8px);
    }

}


/* =========================================================
   ABOUT PAGE DARK MODE
========================================================= */

body.dark .about-content-card,
body.dark .feature-card,
body.dark .about-cta,
body.dark .about-stats > div,
body.dark .visual-card {
    background:
        rgba(30, 31, 40, 0.82);

    border-color:
        rgba(255, 255, 255, 0.08);
}

body.dark .about-hero p,
body.dark .about-content-card p,
body.dark .feature-card p,
body.dark .about-cta p,
body.dark .about-stats span {
    color: #a9aab4;
}

body.dark .visual-main {
    color: #ffffff;
}


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

@media (max-width: 1000px) {

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

    .about-content {
        gap: 40px;
    }

}


@media (max-width: 800px) {

    .about-hero {
        padding-top: 65px;
    }

    .about-content {
        grid-template-columns: 1fr;

        margin-bottom: 75px;
    }

    .about-visual {
        min-height: 330px;
    }

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

    .about-cta {
        flex-direction: column;

        align-items: flex-start;
    }

}


@media (max-width: 600px) {

    .about-hero {
        padding:
            50px 20px 45px;
    }

    .about-hero h1 {
        letter-spacing: -2px;
    }

    .about-content,
    .about-features,
    .about-offer,
    .about-stats,
    .about-cta {
        padding-left: 20px;
        padding-right: 20px;
    }

    .about-content-card {
        padding: 30px 24px;
    }

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

    .offer-card {
        padding: 35px 25px;
    }

    .about-stats {
        margin-left: 20px;
        margin-right: 20px;

        padding: 0;
    }

    .about-cta {
        margin-left: 20px;
        margin-right: 20px;

        padding: 32px 25px;
    }

    .visual-main {
        flex-direction: column;

        gap: 8px;

        text-align: center;

        padding: 32px 20px;
    }

    .visual-small.one {
        top: 10px;
        right: 0;
    }

    .visual-small.two {
        left: 0;
        bottom: 50px;
    }

    .visual-small.three {
        right: 5px;
        bottom: 5px;
    }

}


@media (max-width: 420px) {

    .about-stats {
        grid-template-columns:
            1fr;
    }

    .about-stats > div {
        padding: 24px;
    }

}

/* =========================================================
   ABOUT SCROLL REVEAL
========================================================= */

.reveal-element {
    opacity: 0;
    transform: translateY(25px);
    transition:
        opacity 0.7s ease,
        transform 0.7s ease;
}

.reveal-visible {
    opacity: 1;
    transform: translateY(0);
}


/* Stagger feature cards */

.feature-card:nth-child(2) {
    transition-delay: 0.08s;
}

.feature-card:nth-child(3) {
    transition-delay: 0.16s;
}

.feature-card:nth-child(4) {
    transition-delay: 0.24s;
}


/* Mobile menu */

@media (max-width: 700px) {

    .main-nav.mobile-open {
        display: flex !important;

        position: absolute;

        top: 100%;

        left: 15px;
        right: 15px;

        padding: 12px;

        flex-direction: column;

        background:
            var(--surface, #ffffff);

        border:
            1px solid var(--border, #e7e7ec);

        border-radius: 16px;

        box-shadow:
            0 20px 50px
            rgba(0, 0, 0, 0.12);

        z-index: 1000;

        animation:
            menuSlide 0.25s ease both;
    }

    .main-nav.mobile-open a {
        padding: 12px 14px;
        border-radius: 10px;
    }

    .main-nav.mobile-open a:hover {
        background:
            rgba(109, 93, 252, 0.08);
    }

    body.dark .main-nav.mobile-open {
        background:
            #1e1f28;

        border-color:
            rgba(255, 255, 255, 0.08);
    }

}


@keyframes menuSlide {

    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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

}

/* =========================================
   HOME BLOG SECTION
========================================= */

.home-blog-section {
    padding: 110px 24px;
    background: #f7f8fc;
    position: relative;
    overflow: hidden;
}


.home-blog-container {
    max-width: 1200px;
    margin: 0 auto;
}


/* HEADING */

.home-blog-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 55px;
}


.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;

    color: #6d5dfc;

    margin-bottom: 15px;
}


.section-label::before {
    content: "";
    width: 24px;
    height: 2px;

    background: #6d5dfc;
}


.home-blog-heading h2 {
    margin: 0;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: clamp(32px, 4vw, 52px);

    line-height: 1.1;

    letter-spacing: -1.8px;

    color: #151525;
}


.home-blog-heading h2 span {
    color: #6d5dfc;
}


.home-blog-heading p {
    max-width: 580px;

    margin: 18px 0 0;

    font-size: 16px;

    line-height: 1.7;

    color: #707080;
}


/* VIEW ALL */

.view-all-blog {
    flex-shrink: 0;

    display: inline-flex;
    align-items: center;
    gap: 10px;

    padding: 13px 20px;

    border: 1px solid #dedee8;

    border-radius: 12px;

    background: rgba(255,255,255,.7);

    color: #252535;

    text-decoration: none;

    font-size: 14px;
    font-weight: 700;

    transition:
        transform .3s ease,
        border-color .3s ease,
        box-shadow .3s ease;
}


.view-all-blog span {
    font-size: 18px;

    transition:
        transform .3s ease;
}


.view-all-blog:hover {
    transform: translateY(-3px);

    border-color: #6d5dfc;

    box-shadow:
        0 12px 30px rgba(30,30,60,.08);
}


.view-all-blog:hover span {
    transform: translateX(4px);
}



/* BLOG GRID */

.home-blog-grid {
    display: grid;

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

    gap: 22px;
}



/* BLOG CARD */

.home-blog-card {
    position: relative;

    display: flex;
    flex-direction: column;

    min-height: 330px;

    padding: 28px;

    background:
        rgba(255,255,255,.82);

    border: 1px solid
        rgba(30,30,60,.08);

    border-radius: 24px;

    text-decoration: none;

    overflow: hidden;

    box-shadow:
        0 10px 40px
        rgba(30,30,60,.045);

    transition:
        transform .4s cubic-bezier(.2,.8,.2,1),
        box-shadow .4s ease,
        border-color .4s ease;
}


.home-blog-card::before {
    content: "";

    position: absolute;

    width: 180px;
    height: 180px;

    top: -100px;
    right: -80px;

    border-radius: 50%;

    background:
        radial-gradient(
            circle,
            rgba(109,93,252,.14),
            transparent 70%
        );

    pointer-events: none;

    transition:
        transform .5s ease;
}


.home-blog-card:hover {
    transform: translateY(-9px);

    border-color:
        rgba(109,93,252,.25);

    box-shadow:
        0 25px 60px
        rgba(30,30,60,.11);
}


.home-blog-card:hover::before {
    transform: scale(1.4);
}



/* ICON */

.blog-card-icon {
    width: 56px;
    height: 56px;

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

    margin-bottom: 25px;

    border-radius: 16px;

    background:
        linear-gradient(
            135deg,
            #f0efff,
            #ffffff
        );

    border: 1px solid
        rgba(109,93,252,.12);

    font-size: 25px;

    box-shadow:
        0 8px 20px
        rgba(109,93,252,.08);

    transition:
        transform .4s ease;
}


.home-blog-card:hover .blog-card-icon {
    transform:
        rotate(-5deg)
        scale(1.08);
}



/* CONTENT */

.blog-card-content {
    display: flex;
    flex-direction: column;

    flex: 1;
}


.blog-card-category {
    font-size: 11px;

    font-weight: 800;

    letter-spacing: 1.3px;

    color: #7567ef;

    margin-bottom: 12px;
}


.blog-card-content h3 {
    margin: 0;

    font-family:
        "Plus Jakarta Sans",
        sans-serif;

    font-size: 20px;

    line-height: 1.35;

    letter-spacing: -.5px;

    color: #191925;
}


.blog-card-content p {
    margin: 13px 0 20px;

    font-size: 14px;

    line-height: 1.65;

    color: #747481;
}



/* FOOTER */

.blog-card-footer {
    display: flex;

    align-items: center;

    justify-content: space-between;

    margin-top: auto;

    padding-top: 18px;

    border-top: 1px solid
        rgba(30,30,60,.07);

    font-size: 12px;

    font-weight: 700;

    color: #8b8b98;
}


.blog-card-footer span:last-child {
    display: flex;

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

    width: 32px;
    height: 32px;

    border-radius: 50%;

    background: #f0efff;

    color: #6d5dfc;

    font-size: 16px;

    transition:
        transform .3s ease;
}


.home-blog-card:hover
.blog-card-footer span:last-child {
    transform: translateX(4px);
}



/* =========================================
   TABLET
========================================= */

@media (max-width: 900px) {

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

}



/* =========================================
   MOBILE
========================================= */

@media (max-width: 650px) {

    .home-blog-section {
        padding: 75px 18px;
    }


    .home-blog-heading {
        display: block;

        margin-bottom: 35px;
    }


    .home-blog-heading h2 {
        font-size: 34px;
    }


    .home-blog-heading p {
        font-size: 14px;
    }


    .view-all-blog {
        margin-top: 22px;
    }


    .home-blog-grid {
        grid-template-columns: 1fr;

        gap: 16px;
    }


    .home-blog-card {
        min-height: 300px;

        padding: 23px;

        border-radius: 20px;
    }


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

}