/* =========================================================
   Olio.my — Modern Job Application
   ========================================================= */

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap");

:root {
    --primary: #147ad8;
    --primary-dark: #0d63b2;
    --primary-soft: #eaf4ff;

    --text: #111827;
    --text-soft: #667085;
    --border: #e5e7eb;

    --background: #f7f9fc;
    --surface: rgba(255, 255, 255, 0.82);
    --white: #ffffff;

    --radius-lg: 24px;
    --radius-md: 14px;
    --radius-sm: 10px;

    --shadow:
        0 24px 70px rgba(16, 24, 40, 0.08),
        0 2px 8px rgba(16, 24, 40, 0.03);
}

/* =========================================================
   Reset
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

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

    background:
        radial-gradient(circle at 10% 10%,
            rgba(20, 122, 216, 0.12),
            transparent 30%),
        radial-gradient(circle at 90% 30%,
            rgba(87, 157, 255, 0.1),
            transparent 30%),
        var(--background);

    color: var(--text);

    font-family:
        "Inter",
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    line-height: 1.6;
}

/* =========================================================
   Decorative Background
   ========================================================= */

body::before,
body::after {
    content: "";
    position: fixed;
    z-index: -1;

    width: 320px;
    height: 320px;

    border-radius: 50%;

    filter: blur(90px);
    opacity: 0.18;

    pointer-events: none;
}

body::before {
    top: 5%;
    left: -160px;
    background: #147ad8;
}

body::after {
    right: -160px;
    bottom: 5%;
    background: #72b8ff;
}

/* =========================================================
   Header
   ========================================================= */

.top {
    width: min(850px, calc(100% - 32px));
    margin: 0 auto;

    padding: 75px 20px 50px;

    text-align: center;
}

.top h1 {
    display: inline-block;

    margin-bottom: 10px;

    background: linear-gradient(135deg,
            #147ad8 0%,
            #42a5ff 50%,
            #0b62b5 100%);

    -webkit-background-clip: text;
    background-clip: text;

    color: transparent;

    font-size: clamp(38px, 6vw, 64px);
    font-weight: 800;
    letter-spacing: -3px;
    line-height: 1;
}

.top p {
    margin-bottom: 10px;

    color: var(--text);

    font-size: clamp(24px, 4vw, 34px);
    font-weight: 700;

    letter-spacing: -1.2px;
}

.top span {
    display: block;

    max-width: 560px;
    margin: 0 auto;

    color: var(--text-soft);

    font-size: 15px;
}

/* =========================================================
   Main
   ========================================================= */

main {
    width: min(900px, calc(100% - 32px));

    margin: 0 auto 100px;
}

/* =========================================================
   Form
   ========================================================= */

form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* =========================================================
   Sections
   ========================================================= */

.form-section {
    position: relative;

    padding: 34px;

    background: var(--surface);

    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: var(--radius-lg);

    box-shadow: var(--shadow);

    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);

    overflow: hidden;
}

.form-section::before {
    content: "";

    position: absolute;
    top: 0;
    left: 0;

    width: 100%;
    height: 2px;

    background: linear-gradient(90deg,
            transparent,
            rgba(20, 122, 216, 0.5),
            transparent);
}

.form-section h2 {
    margin-bottom: 5px;

    color: var(--text);

    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.4px;
}

.section-description {
    margin-bottom: 25px;

    color: var(--text-soft);

    font-size: 13px;
}

/* =========================================================
   Grid
   ========================================================= */

.form-grid {
    display: grid;

    grid-template-columns: repeat(2, minmax(0, 1fr));

    gap: 20px;
}

/* =========================================================
   Form Group
   ========================================================= */

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-section>.form-group {
    margin-top: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 3px;

    color: #344054;

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

.form-group label span {
    color: #ef4444;
}

/* =========================================================
   Inputs
   ========================================================= */

input,
select,
textarea {
    width: 100%;

    border: 1px solid var(--border);
    outline: none;

    background: rgba(255, 255, 255, 0.92);
    color: var(--text);

    font-family: inherit;
    font-size: 14px;

    transition:
        border-color 180ms ease,
        box-shadow 180ms ease,
        transform 180ms ease,
        background 180ms ease;
}

input,
select {
    height: 50px;
    padding: 0 15px;

    border-radius: var(--radius-sm);
}

textarea {
    min-height: 145px;

    padding: 14px 15px;

    border-radius: var(--radius-sm);

    resize: vertical;
}

input::placeholder,
textarea::placeholder {
    color: #98a2b3;
}

input:hover,
select:hover,
textarea:hover {
    border-color: #c8d0da;
    background: #ffffff;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary);

    background: #ffffff;

    box-shadow:
        0 0 0 4px rgba(20, 122, 216, 0.1),
        0 5px 18px rgba(20, 122, 216, 0.07);

    transform: translateY(-1px);
}

/* =========================================================
   Select
   ========================================================= */

select {
    cursor: pointer;
}

/* =========================================================
   File Upload
   ========================================================= */

input[type="file"] {
    height: auto;
    min-height: 50px;

    padding: 7px;

    cursor: pointer;
}

input[type="file"]::file-selector-button {
    margin-right: 10px;

    padding: 8px 13px;

    border: 0;
    border-radius: 8px;

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

    font-family: inherit;
    font-size: 12px;
    font-weight: 700;

    cursor: pointer;

    transition:
        background 180ms ease,
        transform 180ms ease;
}

input[type="file"]::file-selector-button:hover {
    background: #dceeff;
    transform: translateY(-1px);
}

/* =========================================================
   Helper Text
   ========================================================= */

.form-group small {
    color: #98a2b3;

    font-size: 11px;
}

/* =========================================================
   Consent
   ========================================================= */

.application-consent {
    padding: 20px 24px;
}

.checkbox-group {
    display: flex;

    align-items: flex-start;

    gap: 11px;

    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-width: 18px;

    margin-top: 2px;

    accent-color: var(--primary);

    cursor: pointer;
}

.checkbox-group span {
    color: var(--text-soft);

    font-size: 12px;
    line-height: 1.6;
}

/* =========================================================
   Submit Button
   ========================================================= */

button[type="submit"] {
    position: relative;

    width: 100%;
    min-height: 56px;

    padding: 14px 24px;

    border: 0;
    border-radius: 14px;

    background:
        linear-gradient(135deg,
            #147ad8 0%,
            #268be7 50%,
            #0d67bb 100%);

    color: #ffffff;

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

    letter-spacing: -0.1px;

    cursor: pointer;

    box-shadow:
        0 12px 30px rgba(20, 122, 216, 0.22),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);

    overflow: hidden;

    transition:
        transform 180ms ease,
        box-shadow 180ms ease,
        filter 180ms ease;
}

button[type="submit"]::before {
    content: "";

    position: absolute;

    top: 0;
    left: -100%;

    width: 70%;
    height: 100%;

    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.2),
            transparent);

    transform: skewX(-20deg);

    transition: left 500ms ease;
}

button[type="submit"]:hover {
    transform: translateY(-2px);

    box-shadow:
        0 18px 40px rgba(20, 122, 216, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);

    filter: brightness(1.04);
}

button[type="submit"]:hover::before {
    left: 130%;
}

button[type="submit"]:active {
    transform: translateY(0);
}

/* =========================================================
   Validation
   ========================================================= */

input:required:invalid:not(:placeholder-shown),
textarea:required:invalid:not(:placeholder-shown) {
    border-color: #f04438;
}

input:required:valid:not(:placeholder-shown),
textarea:required:valid:not(:placeholder-shown) {
    border-color: #12b76a;
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 700px) {
    .top {
        width: calc(100% - 24px);
        padding: 55px 10px 35px;
    }

    .top h1 {
        letter-spacing: -2px;
    }

    main {
        width: calc(100% - 20px);
        margin-bottom: 60px;
    }

    .form-section {
        padding: 25px 20px;

        border-radius: 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 17px;
    }

    form {
        gap: 14px;
    }
}

@media (max-width: 430px) {
    .top {
        padding-top: 40px;
    }

    .top h1 {
        font-size: 40px;
    }

    .top p {
        font-size: 22px;
    }

    .top span {
        font-size: 13px;
    }

    main {
        width: calc(100% - 14px);
    }

    .form-section {
        padding: 22px 16px;
        border-radius: 18px;
    }

    .form-section h2 {
        font-size: 17px;
    }

    input,
    select {
        height: 48px;
    }

    button[type="submit"] {
        min-height: 54px;
    }
}

.form-message {
    display: none;

    width: calc(100% - 2rem);
    margin-top: 2px;
    padding: 15px 18px;

    border-radius: 14px;

    font-size: 13px;
    font-weight: 600;
    line-height: 1.5;
    position: fixed;
    top: 1rem;
    left: 1rem;
    box-shadow: 0 0 20px #0005;
}

.form-message.success {
    display: block;

    border: 1px solid #b7ebd1;
    background: #ecfdf3;
    color: #067647;
}

.form-message.error {
    display: block;

    border: 1px solid #fecdca;
    background: #fef3f2;
    color: #b42318;
}

button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}