/* ===== RESET & BASE ===== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Montserrat', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: #f7f7f7;
    color: #111;


}




/* ===== HEADER ===== */
:root {
    --header-h: 72px;
}


.main-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: #fff;
    box-shadow: 0 1px 0 rgba(0, 0, 0, .06);
    padding: 6px 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
    height: 72px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.header-logo {
    height: 38px;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.header-nav a {
    font-weight: 700;
    font-size: .95rem;
    letter-spacing: .2px;
    color: #111;
    text-decoration: none;
    line-height: 1;
}

.header-nav .cta-button {
    background: #C1272D;
    color: #fff !important;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 800;
    font-size: .95rem;
}

@media (max-width:520px) {
    .header-container {
        height: 64px;
        padding: 0 12px;
    }

    .header-logo {
        height: 32px;
    }

    .header-nav {
        gap: 14px;
    }

    .header-nav .cta-button {
        padding: 10px 14px;
        border-radius: 10px;
    }
}

[id] {
    scroll-margin-top: var(--header-h);
}

/* ===== HERO ===== */
.hero-neo {
    padding: 80px 20px 100px;
    background:
        radial-gradient(120% 120% at 10% -20%, rgba(193, 39, 45, .25), transparent 60%),
        radial-gradient(120% 120% at 110% -30%, rgba(255, 255, 255, .08), transparent 60%),
        linear-gradient(180deg, #0f1116 0%, #171a21 100%);
    color: #eaecef;
}

.hero-neo__inner {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-neo__copy {
    max-width: 760px;
}

@media (max-width:600px) {
    .hero-neo {
        padding: 60px 16px 70px;
    }
}

.chip {
    display: inline-block;
    background: rgba(255, 255, 255, .08);
    color: #ffb4b4;
    border: 1px solid rgba(255, 255, 255, .18);
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: 12px;
}

.hero-neo h1 {
    font-size: clamp(36px, 6vw, 64px);
    line-height: 1.06;
    margin: 10px 0;
    font-weight: 800;
    color: #fff;
}

.hero-neo p {
    color: #aab2c0;
    max-width: 58ch;
    font-size: 18px;
    margin: 0 0 18px;
}

.hero-list {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    color: #cfd3dc;
}

.hero-list li {
    position: relative;
    padding-left: 26px;
    margin: 8px 0;
}

.hero-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #C1272D;
}

.accent {
    background: linear-gradient(90deg, #C1272D 0%, #ff7a7a 50%, #C1272D 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== KPI ===== */
.kpi-strip {
    background: #8e98a3;
    padding: 36px 20px;
}

.kpi-inner {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

@media (max-width:768px) {

    .kpi-strip {
        padding: 30px 10px;
    }

    .kpi-inner {
        width: 100%;
        max-width: 100%;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .kpi {
        width: 100%;
    }

}

@media (max-width:480px) {

    .kpi-inner {
        grid-template-columns: 1fr;
    }

}

.kpi {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.kpi strong {
    display: block;
    font-size: 32px;
    line-height: 1;
    font-weight: 800;
    color: #0f1116;
}

.kpi span {
    display: block;
    margin-top: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #2c3440;
}

@media (max-width:980px) {
    .kpi-inner {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:540px) {
    .kpi-inner {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* ===== SECTION HEADER CARD ===== */
.wat-wij-doen-section {
    background: #f7f7f7;
    padding: 60px 20px;
}

.wwd-card {
    max-width: 980px;
    margin: 0 auto;
    padding: 26px 28px;
    border-radius: 18px;
    background: #fff;
    border: 1px solid #eceff3;
    box-shadow: 0 14px 34px rgba(17, 24, 39, .06);
    text-align: center;
}

.wwd-title2 {
    margin: 0;
    font-size: clamp(30px, 5.2vw, 44px);
    line-height: 1.07;
    font-weight: 800;
    color: #111;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.wwd-sub2 {
    max-width: 820px;
    margin: 12px auto 0;
    color: #5b6573;
    font-size: 18px;
}

/* ===== SERVICES ===== */
.services-section {
    padding: 60px 30px;
    background: #f7f7f7;
}

.services-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

@media (max-width:900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background: #fff;
    padding: 20px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 6px 14px rgba(0, 0, 0, .08);

    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 15px;
}

.read-more-button {
    display: inline-block;
    margin-top: auto;
    padding: 8px 16px;
    background: #a7a1a2;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 700;
}

.read-more-button:hover {
    background: #161515;
}

/* ===== PORTFOLIO ===== */
.portfolio-gallery {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding: 0;
    background: #f7f7f7 !important;
}

@media (max-width:1000px) {
    .portfolio-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:640px) {
    .portfolio-gallery {
        grid-template-columns: 1fr;
    }
}

.project-card {
    position: relative;
    width: 100%;
    height: 260px;
    overflow: hidden;
    display: block;
    background: none !important;
    border: none !important;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: relative;
    z-index: 1;
}

.project-overlay {
    position: absolute;
    inset: 0;
    padding: 20px;
    background: rgba(0, 0, 0, .55);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transition: opacity .2s;
    z-index: 2;
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-title {
    font-size: 18px;
    font-weight: 800;
    margin: 0 0 5px;
    text-shadow: 0 1px 3px #000;
}

.project-description {
    font-size: 14px;
    line-height: 1.4;
    text-shadow: 0 1px 3px #000;
}

/* ===== PRICING (Paketler) ===== */
.pricing {
    /* Başlığı biraz aşağı kaydırdık; altta da nefes var */
    padding: 90px 16px 56px;
    border-top: 1px solid #e9eaee;
    border-bottom: 1px solid #e9eaee;
    background: #fff;
    /* gövde rengi */
}

.pricing .wwd-title2 {
    display: flex;
    gap: 12px;
    align-items: baseline;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0;
}

.pricing__head {
    max-width: 980px;
    margin: 0 auto 18px;
    text-align: center;
}

.pricing__sub {
    color: #5f6370;
    margin: 8px 0 0;
    font-size: 16px;
}

.pricing__promo {
    max-width: 980px;
    margin: 14px auto 24px;
    padding: 10px 14px;
    border: 1px dashed #e9eaee;
    border-radius: 10px;
    text-align: center;
    background: #fafbff;
}

.pricing__promo a {
    font-weight: 600;
    text-decoration: none;
    color: #111;
}

.pricing__grid {
    max-width: 1120px;
    margin: 60px auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px 40px;
    /* daha ferah */
    align-items: stretch;
    /* hücreler eşitlensin */
}

@media (max-width:1024px) {
    .pricing__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:560px) {
    .pricing__grid {
        grid-template-columns: 1fr;
    }
}

/* Kart: eşit yükseklik + modern hover */
.price-card {
    position: relative;
    background: #fff;
    border: 1px solid #e9eaee;
    border-radius: 18px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
    box-shadow: 0 1px 0 rgba(17, 17, 17, .02);
    transition: transform .2s, box-shadow .2s, border-color .2s;
}

.price-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(17, 24, 39, .10);
    border-color: #e3e6ef;
}

/* rozet */
.price-card::after {
    content: none !important;

    content: attr(data-badge);
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid #e9eaee;
    background: #fff;
    color: #5f6370;
}

.price-card.is-accent {
    border-color: #dcdff3;
    box-shadow: 0 6px 22px rgba(30, 41, 200, .06);
}

.price-card.is-promo {
    border-color: #e5d7d7;
    box-shadow: 0 6px 22px rgba(200, 30, 30, .06);
}

/* Başlık kısmı: eşit yükseklik */
.price-card__head {
    display: grid;
    align-content: start;
    gap: 8px;
    min-height: 120px;
}

.price-card__head h3 {
    margin: 0 0 4px;
    font-size: 22px;
}

.price-card__head .contract {
    margin: 0;
    color: #5f6370;
    font-size: 14px;
}

.price-card__head .price {
    margin: 6px 0 0;
    font-size: 28px;
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.price-card__head .price span {
    font-size: 14px;
    color: #5f6370;
}

.price-card__head .price s {
    font-size: 20px;
    color: #8a8f9b;
}

.price-card__head .price .promo-price {
    font-weight: 800;
}

/* Liste alanı kartı doldursun */
.price-card__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
    font-size: 15px;
    flex: 1 1 auto;
    /* kalan alanı kapla */
}

.price-card__list li {
    position: relative;
    padding-left: 22px;
}

.price-card__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 700;
    line-height: 1;
}

.price-card__cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-height: 140px;
    padding: 24px 20px;
    border-radius: 16px;

    background: linear-gradient(135deg, #C1272D 0%, #C1272D 100%);
    color: #fff;
    text-align: center;
    box-shadow: 0 8px 18px rgba(193, 39, 45, 0.25);
    transition: all 0.3s ease;
}

.price-card__cta:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(193, 39, 45, 0.4);
}

/* CTA başlık (buton metni yerine büyük yazı gibi) */
.price-card__cta strong {
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.3px;
}

/* Alt açıklama */
.price-card .note {
    margin: 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    text-align: center;
}

/* CTA içindeki buton */
.price-card .btn-primary {
    display: inline-block;
    width: 100%;
    background: #fff;
    color: #C1272D !important;
    font-weight: 800;
    padding: 12px 20px;
    border-radius: 10px;
    text-decoration: none;
    border: 2px solid transparent;
    transition: all 0.25s ease;
}

.price-card .btn-primary:hover {
    background: #C1272D;
    color: #fff !important;
    border-color: #fff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2) inset;
}


/* ==== YENİ DÜZ VE PROFESYONEL CTA TASARIMI ==== */
.price-card__cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
    min-height: 130px;
    padding: 24px 20px;
    border-top: 1px solid #e5e7eb;
    background: #fafafa;
    color: #333;
    text-align: center;
    border-radius: 0 0 16px 16px;
    transition: all 0.25s ease;
}

.price-card__cta:hover {
    background: #f2f2f2;
}

/* CTA içindeki buton */
.price-card .btn-primary {
    display: inline-block;
    width: 100%;
    background: #C1272D;
    color: #fff !important;
    font-weight: 700;
    padding: 12px 20px;
    border-radius: 8px;
    text-decoration: none;
    border: none;
    transition: all 0.25s ease;
}

.price-card .btn-primary:hover {
    background: #C1272D;
    transform: translateY(-2px);
}

/* Gri varyant (opsiyonel) */
.price-card .btn-gray {
    background: #e5e5e5;
    color: #333 !important;
}

.price-card .btn-gray:hover {
    background: #d6d6d6;
}

/* Alt açıklama */
.price-card .note {
    margin: 6px 0 0;
    font-size: 14px;
    color: #666;
    text-align: center;
}


.pricing__fineprint {
    max-width: 980px;
    margin: 24px auto 0;
    color: #6b7280;
    font-size: 14px;
    text-align: center;
}

/* ===== CONTACT (sadece iletişim bölümünü etkiler) ===== */
#contact-form {
    padding: 80px 0 100px;
    background: #f7f7f7 !important;
}

#contact-form .contact-head {
    margin-bottom: 18px;
}

#contact-form .contact-cta__inner {
    width: min(880px, 92%);
    margin: 0 auto;
}

#contact-form .contact-title {
    margin: 0 0 8px;
    font-size: clamp(30px, 5.2vw, 44px);
    line-height: 1.07;
    font-weight: 800;
    color: #0f1116;
    text-transform: uppercase;
    letter-spacing: .5px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

#contact-form .contact-cta__lead {
    margin: 0 0 26px;
    color: #616b78;
    font-size: 18px;
    text-align: center;
}

/* bot trap */
#contact-form .hp-field {
    display: none !important;
}

/* form grid */
#contact-form .em-form {
    display: grid;
    gap: 18px;
}

#contact-form .em-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}

@media (max-width: 640px) {
    #contact-form .em-grid {
        grid-template-columns: 1fr;
    }
}

/* fields */
#contact-form .em-field label {
    display: block;
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 600;
    color: #222;
}

#contact-form .em-field input,
#contact-form .em-field textarea,
#contact-form .em-field select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    background: #fff;
    color: #111;
    transition: border-color .2s, box-shadow .2s, background-color .2s;
}

#contact-form .em-field input::placeholder,
#contact-form .em-field textarea::placeholder {
    color: #98a2ad;
}

#contact-form .em-field input:focus,
#contact-form .em-field textarea:focus,
#contact-form .em-field select:focus {
    outline: none;
    border-color: #C1272D;
    /* brand kırmızısı */
    box-shadow: 0 0 0 2px rgba(193, 39, 45, .12);
}

#contact-form .em-field textarea {
    min-height: 140px;
    resize: vertical;
}

/* actions */
#contact-form .em-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

/* buton: yalnız iletişimdeki btn-primary */
#contact-form .btn-primary {
    background: #C1272D;
    color: #fff !important;
    border: none;
    font-weight: 700;
    font-size: 16px;
    padding: 14px 24px;
    border-radius: 10px;
    cursor: pointer;
    transition: transform .2s, background-color .2s, box-shadow .2s;
}

#contact-form .btn-primary:hover {
    background: #C1272D;
    transform: translateY(-2px);
}

#contact-form .em-note {
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

#contact-form .em-success,
#contact-form .em-error {
    font-size: 14px;
    color: #1f2937;
}

#contact-form .em-error a {
    color: #C1272D;
    text-decoration: none;
}


/* ==== PRICING CTA DÜZENLEME (Beyaz & Kırmızı Kutular Eşit) ==== */

.price-card__cta {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
    min-height: 160px;
    /* eşit yükseklik */
    padding: 28px 22px;
    border-top: 1px solid #eee;
    background: #fff;
    /* beyaz zemin */
    text-align: center;
    border-radius: 0 0 18px 18px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.price-card__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

/* Kırmızı buton – ortalanmış ve sabit genişlik */
.price-card__cta .btn-primary {
    width: 80%;
    max-width: 220px;
    background: #C1272D;
    color: #fff !important;
    font-weight: 800;
    padding: 14px 20px;
    border-radius: 10px;
    text-decoration: none;
    border: none;
    text-align: center;
    transition: all 0.25s ease;
}

.price-card__cta .btn-primary:hover {
    background: #a32025;
    transform: translateY(-2px);
}

/* Açıklama metni */
.price-card__cta .note {
    margin: 6px 0 0;
    font-size: 14px;
    color: #555;
}

/* === ARKA PLAN EŞİTLEME === */
section#onze-projecten,
.portfolio-gallery,
.wat-wij-doen-section,
.pricing,
#contact-form {
    background-color: #f7f7f7 !important;
}

footer {
    flex-shrink: 0;
    background: #fff;
    color: #111;
    text-align: center;
    padding: 60px 20px;
    border-top: 1px solid #eee;
}

footer .footer-content {
    max-width: 1120px;
    margin: 0 auto;
}

footer .footer-logo {
    height: 46px;
    margin-bottom: 10px;
}

footer p {
    margin: 4px 0;
    font-size: 15px;
    color: #444;
}

footer a {
    color: #111;
    font-weight: 700;
    text-decoration: none;
}

footer a:hover {
    color: #C1272D;
}

/* === FOOTER HER ZAMAN EN ALTA SABİT === */
html,
body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

/* ===== PROJECT GROUPS (ONZE PROJECTEN – 3 GRUP) ===== */

.portfolio-groups {
    max-width: 1200px;
    margin: 0 auto 100px;
    padding: 0 20px;
}

/* Her grup */
.project-group {
    margin-bottom: 90px;
}

/* Grup başlığı */
.project-group-title {
    text-align: center;
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 35px;
    color: #111;
}

/* Grup içindeki galeri */
.project-group .portfolio-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
    background: transparent !important;
    max-width: 100%;
}

/* Responsive */
@media (max-width: 1000px) {
    .project-group .portfolio-gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .project-group .portfolio-gallery {
        grid-template-columns: 1fr;
    }
}

/* Görseller */
.project-group .portfolio-gallery img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 14px;
    display: block;
    box-shadow: 0 6px 18px rgba(0, 0, 0, .08);
}

/* LED özel görünüm */
.project-group .led-gallery {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    justify-items: center;
}

.project-group .led-gallery img {
    height: auto;
    max-width: 320px;
    object-fit: contain;
    box-shadow: none;
}

/* PROJE RESİMLERİ – HOVER'DA BÜYÜSÜN */
/* ===== PROJECT IMAGES CLEAN ===== */

.portfolio-gallery img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 14px;
    display: block;
    transition: box-shadow 0.25s ease;
}

/* Hover sadece hafif gölge */
.portfolio-gallery img:hover {
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.15);
}

/* LIGHTBOX OVERLAY */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 9999;
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-img {
    max-width: 90%;
    max-height: 85%;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    animation: zoomIn 0.35s ease;
}

@keyframes zoomIn {
    from {
        transform: scale(0.85);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 42px;
    color: #fff;
    cursor: pointer;
}

.portfolio-gallery img {
    cursor: zoom-in;
}

.portfolio-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

.portfolio-sidebar {
    position: sticky;
    top: 120px;
    background: #fff;
    padding: 20px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .06);
    height: fit-content;
}

.portfolio-sidebar ul {
    list-style: none;
    padding: 0;
    margin: 0
}

.portfolio-sidebar a {
    display: block;
    padding: 10px 14px;
    border-radius: 8px;
    font-weight: 600;
    color: #111;
    text-decoration: none;
}

.portfolio-sidebar a.active,
.portfolio-sidebar a:hover {
    background: #e53935;
    color: #fff;
}

@media(max-width:900px) {
    .portfolio-layout {
        grid-template-columns: 1fr
    }

    .portfolio-sidebar {
        position: relative;
        top: auto
    }
}

/* ===== MOBIEL MENU ===== */

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #111;
}

@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .header-nav {
        position: absolute;
        top: var(--header-h);
        left: 0;
        width: 100%;
        background: #fff;
        display: none;
        flex-direction: column;
        gap: 16px;
        padding: 20px;
        border-top: 1px solid #e9eaee;
        box-shadow: 0 6px 20px rgba(0, 0, 0, .08);
        z-index: 999;
    }

    .header-nav.active {
        display: flex;
    }

    /* ===== BACK TO TOP (GLOBAL) ===== */
    /* ===== BACK TO TOP (GLOBAL) ===== */
    .back-to-top {
        position: fixed;
        right: 16px;
        bottom: 20px;

        width: 46px;
        height: 46px;
        border-radius: 50%;

        background: #C1272D;
        color: #fff;
        border: none;

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

        display: none;
        align-items: center;
        justify-content: center;

        box-shadow: 0 10px 24px rgba(193, 39, 45, 0.35);
        z-index: 9999;
    }

    /* sadece mobilde göster */
    @media (max-width: 768px) {
        .back-to-top {
            display: flex;
        }
    }

}