:root {
    --bg: #f5f5f7;
    --surface: #ffffff;
    --ink: #0b0f19;
    --muted: #667085;
    --blue: #0071e3;
    --navy: #071a33;
    --line: #e5e7eb;
    --radius: 28px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--ink);
}

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

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    min-height: 72px;
    display: flex;
    align-items: center;
    gap: 28px;
    padding: 0 44px;
    background: rgba(255,255,255,.84);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid rgba(229,231,235,.7);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 750;
    letter-spacing: -0.03em;
    white-space: nowrap;
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--navy), var(--blue));
    font-size: 13px;
}

.nav {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-left: auto;
    font-size: 14px;
    color: #344054;
}

.nav a:hover,
.nav a.active { color: var(--blue); }

.phone-cta, .btn {
    border-radius: 999px;
    padding: 12px 18px;
    background: var(--blue);
    color: #fff;
    font-weight: 650;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
}

.phone-cta { white-space: nowrap; }

.btn.secondary { background: #111827; }

.btn.ghost {
    background: transparent;
    color: var(--blue);
    padding-left: 0;
}

.hero {
    min-height: 710px;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 90px 24px 70px;
    background:
        radial-gradient(circle at 50% 20%, rgba(0,113,227,.18), transparent 32%),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
}

.eyebrow {
    color: var(--blue);
    font-weight: 750;
    letter-spacing: .12em;
    text-transform: uppercase;
    font-size: 13px;
}

.hero h1, .page-hero h1 {
    max-width: 1080px;
    margin: 18px auto;
    font-size: clamp(44px, 8vw, 92px);
    line-height: .94;
    letter-spacing: -0.075em;
}

.hero p, .page-hero p {
    max-width: 780px;
    margin: 0 auto 30px;
    color: var(--muted);
    font-size: clamp(18px, 2vw, 24px);
    line-height: 1.45;
}

.hero-actions, .actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.search-small {
    max-width: 680px;
    margin: 28px auto 0;
    display: flex;
    gap: 10px;
}

.search-small input { margin: 0; }

.section { padding: 92px 44px; }

.section-inner {
    max-width: 1180px;
    margin: 0 auto;
}

.section-title {
    max-width: 820px;
    margin-bottom: 34px;
}

.section-title h2 {
    font-size: clamp(34px, 5vw, 64px);
    line-height: 1;
    letter-spacing: -0.06em;
    margin: 0 0 16px;
}

.section-title p {
    color: var(--muted);
    font-size: 19px;
    line-height: 1.55;
}

.grid { display: grid; gap: 22px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--surface);
    border: 1px solid rgba(229,231,235,.9);
    border-radius: var(--radius);
    padding: 32px;
    min-height: 210px;
    transition: transform .2s ease, border-color .2s ease;
}

a.card:hover {
    transform: translateY(-4px);
    border-color: rgba(0,113,227,.35);
}

.card.dark {
    background: #070b12;
    color: #fff;
    border: none;
}

.card h3 {
    font-size: 25px;
    letter-spacing: -0.04em;
    margin: 0 0 12px;
}

.card p, .card li {
    color: var(--muted);
    line-height: 1.65;
}

.card.dark p { color: rgba(255,255,255,.72); }

.code {
    color: var(--blue);
    font-weight: 800;
    font-size: 14px;
    margin-bottom: 12px;
}

.feature-band {
    background: #05070d;
    color: #fff;
    border-radius: 38px;
    padding: 60px;
    overflow: hidden;
}

.feature-band h2 {
    font-size: clamp(36px, 5vw, 72px);
    line-height: .98;
    letter-spacing: -0.065em;
    margin: 0 0 18px;
}

.feature-band p {
    color: rgba(255,255,255,.72);
    font-size: 19px;
    line-height: 1.55;
    max-width: 760px;
}

.page-hero {
    padding: 96px 44px 54px;
    text-align: center;
    background: #fff;
}

.content {
    max-width: 920px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius);
    padding: 44px;
    border: 1px solid var(--line);
}

.content h2 {
    font-size: 34px;
    letter-spacing: -0.05em;
}

.content p, .content li {
    color: #475467;
    line-height: 1.75;
    font-size: 17px;
}

.stat {
    text-align: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: 34px 20px;
}

.stat strong {
    display: block;
    font-size: clamp(38px, 5vw, 64px);
    letter-spacing: -0.06em;
    color: #0b0f19;
}

.stat span {
    color: var(--muted);
    font-weight: 650;
}

.logo-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.logo-box {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    min-height: 92px;
    display: grid;
    place-items: center;
    color: #98a2b3;
    font-weight: 800;
    letter-spacing: -.03em;
}

.form-box {
    max-width: 720px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius);
    padding: 36px;
    border: 1px solid var(--line);
}

input, textarea {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 16px 18px;
    margin: 8px 0 16px;
    font: inherit;
}

button {
    cursor: pointer;
    font: inherit;
}

.result {
    margin-top: 24px;
    padding: 24px;
    border-radius: 22px;
    background: #f9fafb;
    border: 1px solid var(--line);
}

.result.valid {
    border-color: #12b76a;
    background: #ecfdf3;
}

.result.invalid {
    border-color: #f04438;
    background: #fff1f3;
}

.announcement {
    display: block;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 24px;
    padding: 26px;
    margin-bottom: 16px;
}

.announcement time {
    color: var(--blue);
    font-weight: 750;
    font-size: 14px;
}

.announcement h2, .announcement h3 {
    margin: 8px 0;
    letter-spacing: -0.04em;
}

.faq details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 22px 24px;
    margin-bottom: 12px;
}

.faq summary {
    font-weight: 750;
    cursor: pointer;
}

.faq p {
    color: var(--muted);
    line-height: 1.65;
}

.site-footer {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 30px;
    padding: 52px 44px;
    border-top: 1px solid var(--line);
    color: #667085;
    background: #fff;
}

.site-footer strong, .site-footer h4 { color: var(--ink); }

.site-footer a:hover { color: var(--blue); }

.mini { font-size: 14px; }

@media (max-width: 980px) {
    .site-header {
        height: auto;
        padding: 18px 22px;
        flex-wrap: wrap;
    }

    .nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 4px;
        margin-left: 0;
    }

    .phone-cta { margin-left: auto; }

    .grid.three, .grid.two, .grid.four, .site-footer, .logo-row {
        grid-template-columns: 1fr;
    }

    .section { padding: 62px 22px; }

    .feature-band {
        padding: 34px;
        border-radius: 28px;
    }

    .search-small { flex-direction: column; }
}





/* Logo based brand */
.logo-brand {
    min-width: 150px;
}

.logo-brand img {
    display: block;
    height: 42px;
    width: auto;
    object-fit: contain;
}

.lang-switch {
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 7px 10px;
    font-weight: 750;
}

/* Refined hero artwork logo */
.hero,
.page-hero {
    position: relative;
    overflow: hidden;
}

.hero::before,
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    background-position: center 48%;
    background-size: min(72vw, 780px);
    opacity: 0.052;
    filter: grayscale(1) saturate(0.4);
    pointer-events: none;
    z-index: 0;
}

.lang-tr .hero::before,
.lang-tr .page-hero::before {
    background-image: url("/assets/logo-tr.png");
}

.lang-en .hero::before,
.lang-en .page-hero::before {
    background-image: url("/assets/logo-en.png");
}

.page-hero::before {
    background-size: min(58vw, 540px);
    opacity: 0.044;
}

.hero > *,
.page-hero > * {
    position: relative;
    z-index: 1;
}

.training-category {
    margin-top: 18px;
    margin-bottom: 28px;
    color: var(--blue);
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.faq-refined {
    display: grid;
    gap: 14px;
}

.faq-refined details {
    background: rgba(255,255,255,.92);
    border: 1px solid rgba(229,231,235,.95);
    border-radius: 24px;
    padding: 0;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(15, 23, 42, .035);
}

.faq-refined summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding: 24px 28px;
    font-weight: 760;
    cursor: pointer;
    letter-spacing: -0.025em;
}

.faq-refined summary::-webkit-details-marker { display: none; }

.faq-refined summary::after {
    content: "+";
    color: var(--blue);
    font-size: 26px;
    line-height: 1;
    font-weight: 500;
}

.faq-refined details[open] summary::after { content: "–"; }

.faq-refined p {
    margin: 0;
    padding: 0 28px 26px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 860px;
}

.footer-logo {
    height: 58px;
    width: auto;
    display: block;
    margin-bottom: 14px;
}

@media (max-width: 720px) {
    .hero::before,
    .page-hero::before {
        background-size: 105vw;
        opacity: 0.035;
    }

    .logo-brand img {
        height: 36px;
    }
}


/* FINAL CLEAN LOGO SYSTEM */

/* Navbar uses text only */
.brand.text-brand {
    font-size: 16px;
    letter-spacing: -0.045em;
    font-weight: 750;
}

/* Hide any old navbar logo image if cached HTML references it */
.brand-logo {
    display: none !important;
}

/* Hero decorative logo */
.hero,
.page-hero {
    position: relative;
    overflow: hidden;
}

.hero::before,
.page-hero::before {
    content: "" !important;
    position: absolute !important;
    right: 7% !important;
    top: 52% !important;
    transform: translateY(-50%) !important;
    width: 300px !important;
    height: 300px !important;
    background-repeat: no-repeat !important;
    background-size: contain !important;
    background-position: center !important;
    opacity: 0.026 !important;
    filter: grayscale(100%) !important;
    pointer-events: none !important;
    z-index: 0 !important;
    display: block !important;
}

.page-hero::before {
    width: 220px !important;
    height: 220px !important;
    opacity: 0.018 !important;
}

body:not(.en) .hero::before,
body:not(.en) .page-hero::before {
    background-image: url("/assets/logo-tr.png") !important;
}

body.en .hero::before,
body.en .page-hero::before {
    background-image: url("/assets/logo-en.png") !important;
}

.hero > *,
.page-hero > * {
    position: relative;
    z-index: 1;
}

/* More balanced hero title */
.hero h1 {
    font-size: clamp(52px, 6vw, 78px) !important;
    line-height: .95 !important;
}

/* Keep the logo subtle on mobile */
@media (max-width: 720px) {
    .hero::before,
    .page-hero::before {
        right: 50% !important;
        top: 55% !important;
        transform: translate(50%, -50%) !important;
        width: 180px !important;
        height: 180px !important;
        opacity: 0.014 !important;
    }
}

.section-action{margin-top:24px;}

.form-hint{margin-top:14px;color:#64748b;font-size:14px;line-height:1.6}.form-hint code{background:#f1f5f9;border:1px solid #e2e8f0;border-radius:8px;padding:2px 6px;color:#0f172a}

/* Certificate verification usability fix */
.certificate-verification-section .certificate-form-box {
    max-width: 720px;
}

.certificate-verify-form {
    display: grid;
    gap: 12px;
}

.certificate-label {
    display: block;
    color: #101828;
    font-weight: 800;
    margin: 0;
}

.certificate-input {
    display: block;
    width: 100%;
    min-height: 58px;
    color: #101828;
    background: #ffffff;
    border: 1px solid #d0d5dd;
    border-radius: 18px;
    padding: 16px 18px;
    font-size: 18px;
    line-height: 1.3;
    pointer-events: auto;
    user-select: text;
    -webkit-user-select: text;
    caret-color: #101828;
    outline: none;
}

.certificate-input:focus {
    border-color: #0874e8;
    box-shadow: 0 0 0 4px rgba(8, 116, 232, .12);
}

.certificate-submit {
    width: 100%;
    min-height: 54px;
    margin-top: 4px;
}

.form-hint {
    margin-top: 18px;
    color: #667085;
    line-height: 1.6;
}


/* EN certificate verification hard fix */
.certificate-verification-section,
.certificate-verification-section * {
    pointer-events: auto;
}
.certificate-verification-section .form-box,
.certificate-verification-section .certificate-form-box,
.certificate-verify-form {
    position: relative;
    z-index: 5;
}
.certificate-input,
#certificate_no {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    user-select: text !important;
    -webkit-user-select: text !important;
    color: #101828 !important;
    background-color: #ffffff !important;
    caret-color: #101828 !important;
    cursor: text !important;
}
#certificate_no::placeholder {
    color: #98a2b3 !important;
    opacity: 1 !important;
}
.certificate-submit {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    opacity: 1 !important;
    pointer-events: auto !important;
}

/* Final EN certificate verification input fix */
.lang-en input#certificate_no,
.lang-en form[data-certificate-verify="1"] input[name="certificate_no"] {
    display: block !important;
    width: 100% !important;
    min-height: 58px !important;
    color: #101828 !important;
    background: #ffffff !important;
    border: 1px solid #d0d5dd !important;
    border-radius: 16px !important;
    padding: 16px 18px !important;
    margin: 8px 0 16px !important;
    font-size: 18px !important;
    line-height: 1.3 !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    user-select: text !important;
    -webkit-user-select: text !important;
    cursor: text !important;
    caret-color: #101828 !important;
    position: relative !important;
    z-index: 20 !important;
}
.lang-en form[data-certificate-verify="1"] label,
.lang-en form[data-certificate-verify="1"] button {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    position: relative !important;
    z-index: 20 !important;
}