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

:root {
    --container-width: 1280px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Inter, Arial, Helvetica, sans-serif;
    color: var(--color-text);
    background: var(--color-background);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.25s ease;
}

img {
    max-width: 100%;
    display: block;
}

button,
input,
textarea,
select {
    font: inherit;
}

.container {
    width: min(var(--container-width), calc(100% - 48px));
    margin: 0 auto;
}

/* HEADER */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--color-border);
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 88px;
    gap: 24px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.site-logo img {
    max-height: 52px;
    width: auto;
}

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

.main-nav a {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    padding: 8px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.25s ease;
}

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

.main-nav a:hover::after {
    width: 100%;
}

/* FOOTER */
.site-footer {
    margin-top: 88px;
    background:
        linear-gradient(135deg, rgba(255,255,255,0.04), rgba(255,255,255,0)),
        var(--color-accent);
    color: #fff;
    padding-top: 70px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 46px;
}

.footer-col h3,
.footer-col h4 {
    margin-bottom: 18px;
    color: #fff;
    font-size: 22px;
    letter-spacing: -0.02em;
}

.footer-col h4 {
    font-size: 18px;
}

.footer-col ul {
    list-style: none;
}

.footer-col li + li {
    margin-top: 12px;
}

.footer-col p,
.footer-col a,
.footer-bottom small {
    color: rgba(255,255,255,0.86);
}

.footer-col a:hover {
    color: #fff;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.10);
    padding: 20px 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.footer-bottom-links {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* BASIC GRID */
.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* COMMON CARD */
.content-card,
.project-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
}

/* ALERTS */
.frontend-alert {
    margin-bottom: 24px;
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 500;
}

.frontend-alert--success {
    background: #eafaf0;
    border-color: #bfe7cb;
    color: #1f6f43;
}

.frontend-alert--danger {
    background: #fff1f2;
    border-color: #fecdd3;
    color: #be123c;
}

.header-topbar {
    border-bottom: 1px solid var(--color-border);
    background: rgba(248, 250, 252, 0.85);
}

.header-topbar__row {
    min-height: 42px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    font-size: 13px;
    color: var(--color-muted-text);
}

.header-topbar__left,
.header-topbar__right {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
}

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

.site-logo {
    min-width: 260px;
}

.site-logo__text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 54px;
    min-height: 54px;
    border-radius: 14px;
    background: rgba(18, 59, 99, 0.08);
    color: var(--color-primary);
    font-weight: 800;
}

.site-logo__meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.site-logo__meta strong {
    font-size: 18px;
    color: var(--color-accent);
    line-height: 1.1;
}

.site-logo__meta small {
    font-size: 12px;
    color: var(--color-muted-text);
    line-height: 1.4;
}

.main-nav a.is-active {
    color: var(--color-primary);
}

.main-nav a.is-active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: var(--radius-button);
    border: 1px solid var(--color-border);
    color: var(--color-accent);
    font-weight: 700;
    background: #fff;
}

.header-link-btn:hover {
    border-color: rgba(18, 59, 99, 0.20);
    color: var(--color-primary);
}

.header-cta-btn {
    min-width: 148px;
}

.footer-col--brand {
    max-width: 420px;
}

.footer-contact-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-social-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-working-hours {
    margin-top: 22px;
}

.footer-working-hours strong {
    display: block;
    margin-bottom: 8px;
    color: #fff;
}

.header-main {
    background: rgba(255, 255, 255, 0.96);
}

.header-main__row {
    min-height: 84px;
    display: grid;
    grid-template-columns: minmax(220px, 320px) 1fr auto;
    align-items: center;
    gap: 28px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.site-logo img {
    max-height: 52px;
    width: auto;
    flex-shrink: 0;
}

.site-logo__text {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 52px;
    min-height: 52px;
    padding: 0 14px;
    border-radius: 14px;
    background: rgba(18, 59, 99, 0.08);
    color: var(--color-primary);
    font-weight: 800;
    font-size: 15px;
    flex-shrink: 0;
}

.site-logo__meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.site-logo__meta strong {
    font-size: 19px;
    line-height: 1.15;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-logo__meta small {
    font-size: 12px;
    line-height: 1.45;
    color: var(--color-muted-text);
    max-width: 260px;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 26px;
    min-width: 0;
}

.main-nav a {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    padding: 8px 0;
    white-space: nowrap;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.25s ease;
}

.main-nav a:hover,
.main-nav a.is-active {
    color: var(--color-primary);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.header-cta-btn {
    min-width: 148px;
    white-space: nowrap;
}

.header-link-btn {
    display: none;
}

.site-logo__meta strong {
    white-space: normal;   /* BU KRİTİK */
    overflow: visible;
    text-overflow: unset;
}

.site-logo__meta {
    max-width: 280px;
}

.site-logo {
    gap: 16px;
}

.site-logo__meta strong {
    font-size: 20px;
    font-weight: 800;
}

.site-logo__meta small {
    font-size: 13px;
    opacity: 0.75;
}

.header-main {
    border-bottom: 1px solid rgba(0,0,0,0.05);
    backdrop-filter: blur(8px);
}

.main-nav a {
    font-weight: 600;
    letter-spacing: 0.3px;
}

.main-nav a.is-active {
    font-weight: 700;
}

.header-main {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(8px);
}

.header-main__row {
    min-height: 84px;
    display: grid;
    grid-template-columns: minmax(240px, 340px) 1fr auto;
    align-items: center;
    gap: 28px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.site-logo img {
    max-height: 52px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

.site-logo__text {
    display: none;
}

.site-logo__meta {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
    max-width: 280px;
}

.site-logo__meta strong {
    font-size: 20px;
    line-height: 1.15;
    color: var(--color-accent);
    letter-spacing: -0.02em;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    font-weight: 800;
}

.site-logo__meta small {
    font-size: 13px;
    line-height: 1.45;
    color: var(--color-muted-text);
    opacity: 0.75;
    max-width: 280px;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 26px;
    min-width: 0;
}

.main-nav a {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    padding: 8px 0;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.25s ease;
}

.main-nav a:hover,
.main-nav a.is-active {
    color: var(--color-primary);
}

.main-nav a.is-active {
    font-weight: 700;
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.header-cta-btn {
    min-width: 148px;
    white-space: nowrap;
}

.header-link-btn {
    display: none;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    min-width: auto;
    gap: 0;
}

.site-logo__meta,
.site-logo__text {
    display: none !important;
}

.site-logo img {
    max-height: 52px;
    width: auto;
    display: block;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
    gap: 0;
}

.site-logo img {
    max-height: 60px;
    width: auto;
    display: block;
}

.site-logo__meta,
.site-logo__text {
    display: none !important;
}

.site-logo__fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 16px;
    border-radius: 12px;
    background: rgba(18, 59, 99, 0.08);
    color: var(--color-primary);
    font-weight: 800;
}

.header-main__row {
    min-height: 88px;
    display: grid;
    grid-template-columns: 220px 1fr auto;
    align-items: center;
    gap: 28px;
}

.header-main {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(8px);
}

.header-main__row {
    min-height: 88px;
    display: grid;
    grid-template-columns: 220px 1fr auto;
    align-items: center;
    gap: 28px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
    gap: 0;
}

.site-logo img {
    max-height: 60px;
    width: auto;
    display: block;
}

.site-logo__meta,
.site-logo__text {
    display: none !important;
}

.site-logo__fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 16px;
    border-radius: 12px;
    background: rgba(18, 59, 99, 0.08);
    color: var(--color-primary);
    font-weight: 800;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 26px;
    min-width: 0;
}

.main-nav a {
    position: relative;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    padding: 8px 0;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.25s ease;
}

.main-nav a:hover,
.main-nav a.is-active {
    color: var(--color-primary);
}

.main-nav a.is-active::after,
.main-nav a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.header-cta-btn {
    min-width: 148px;
    white-space: nowrap;
}

/* FOOTER */
.site-footer {
    background: #0f1b27;
    color: #fff;
    margin-top: 80px;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    padding: 60px 0;
}

.footer-col h4 {
    margin-bottom: 16px;
    font-size: 16px;
    color: #fff;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #ccc;
    text-decoration: none;
}

.footer-col ul li a:hover {
    color: #fff;
}

.footer-desc {
    color: #aaa;
    font-size: 14px;
    margin-top: 12px;
}

.footer-logo img {
    height: 50px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: #aaa;
}

.project-detail {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
}

.project-main-image {
    width: 100%;
    border-radius: 12px;
    margin-bottom: 20px;
}

.project-desc {
    font-size: 15px;
    color: var(--color-muted-text);
}

.project-box {
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-soft);
    margin-bottom: 20px;
}

.project-box h3 {
    margin-bottom: 10px;
}

/* =========================================
   CONTACT FORM PREMIUM FIX
   ========================================= */

/* Form grid → 2 kolon */
.frontend-form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

/* Full alanlar tek satır */
.frontend-form-group--full {
    grid-column: 1 / -1;
}

/* Select ve input full genişlik */
.frontend-form-group select,
.frontend-form-group input,
.frontend-form-group textarea {
    width: 100%;
}

/* KVKK checkbox düzeltme */
.frontend-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.frontend-checkbox input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    transform: scale(1);
}

/* Buton hizalama */
.frontend-form-actions {
    margin-top: 20px;
}

/* Mobil uyum */
@media (max-width: 768px) {
    .frontend-form-grid {
        grid-template-columns: 1fr;
    }
}

/* =========================================
   PROJECT DETAIL GALLERY PREMIUM
   ========================================= */

.project-cover-box {
    margin-bottom: 28px;
    overflow: hidden;
    border-radius: 24px;
    border: 1px solid var(--color-border);
    background: #fff;
    box-shadow: var(--shadow-soft);
}

.project-cover-box img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.project-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(320px, 0.8fr);
    gap: 28px;
    align-items: start;
}

.project-detail-left,
.project-detail-right {
    min-width: 0;
}

.project-detail-card {
    padding: 28px;
    margin-bottom: 24px;
}

.project-detail-content {
    color: var(--color-text);
    font-size: 15px;
    line-height: 1.8;
}

.project-detail-content p + p {
    margin-top: 14px;
}

.project-info-card {
    padding: 26px;
    position: sticky;
    top: 110px;
}

.project-info-card h3 {
    margin-bottom: 18px;
    font-size: 22px;
    line-height: 1.2;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.project-info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin: 0;
    padding: 0;
}

.project-info-list li {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 0;
    border-bottom: 1px solid var(--color-border);
}

.project-info-list li:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}

.project-info-list span {
    font-size: 13px;
    color: var(--color-muted-text);
    font-weight: 600;
}

.project-info-list strong {
    font-size: 15px;
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.5;
}

.project-info-card__note {
    margin-top: 18px;
    padding: 16px 18px;
    border-radius: 16px;
    background: rgba(18, 59, 99, 0.04);
    border: 1px solid rgba(18, 59, 99, 0.08);
}

.project-info-card__note p {
    font-size: 14px;
    color: var(--color-muted-text);
    margin: 0;
}

.project-info-card__action {
    margin-top: 18px;
}

.project-info-card__action .btn {
    width: 100%;
    justify-content: center;
}

.project-gallery-showcase {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 22px;
}

.project-gallery-showcase__main {
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid var(--color-border);
    background: #f8fafc;
    box-shadow: var(--shadow-soft);
}

.project-gallery-showcase__main img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.project-gallery-showcase__thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
    gap: 12px;
}

.project-gallery-thumb {
    display: block;
    overflow: hidden;
    border-radius: 16px;
    border: 1px solid var(--color-border);
    background: #fff;
    box-shadow: var(--shadow-soft);
    opacity: 0.92;
    transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.project-gallery-thumb:hover,
.project-gallery-thumb.is-active {
    transform: translateY(-2px);
    opacity: 1;
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.12);
}

.project-gallery-thumb img {
    width: 100%;
    height: 90px;
    object-fit: cover;
}

.project-gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.project-gallery-item {
    display: block;
    overflow: hidden;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    background: #fff;
    box-shadow: var(--shadow-soft);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.project-gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.14);
}

.project-gallery-item img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
}

.project-gallery-item__caption {
    display: block;
    padding: 14px 16px 16px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.5;
}

.project-map-frame {
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid var(--color-border);
    background: #fff;
    box-shadow: var(--shadow-soft);
}

.project-map-frame iframe {
    width: 100%;
    min-height: 420px;
    border: 0;
    display: block;
}

.project-cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px;
    background:
        linear-gradient(135deg, rgba(29, 78, 216, 0.06), rgba(18, 59, 99, 0.02)),
        #fff;
}

.project-cta-banner__content {
    min-width: 0;
}

.project-cta-banner__content h3 {
    margin: 12px 0 12px;
    font-size: 30px;
    line-height: 1.15;
    color: var(--color-accent);
    letter-spacing: -0.03em;
}

.project-cta-banner__content p {
    margin: 0;
    color: var(--color-muted-text);
    font-size: 15px;
    line-height: 1.8;
    max-width: 760px;
}

.project-cta-banner__actions {
    flex-shrink: 0;
}

.project-cta-banner__actions .btn {
    min-width: 180px;
    justify-content: center;
}

@media (max-width: 1100px) {
    .project-detail-layout {
        grid-template-columns: 1fr;
    }

    .project-info-card {
        position: static;
        top: auto;
    }
}

@media (max-width: 768px) {
    .project-detail-card,
    .project-info-card,
    .project-cta-banner {
        padding: 20px;
    }

    .project-gallery-grid {
        grid-template-columns: 1fr;
    }

    .project-gallery-item img {
        height: auto;
    }

    .project-gallery-thumb img {
        height: 84px;
    }

    .project-map-frame iframe {
        min-height: 320px;
    }

    .project-cta-banner {
        flex-direction: column;
        align-items: flex-start;
    }

    .project-cta-banner__content h3 {
        font-size: 24px;
    }

    .project-cta-banner__actions {
        width: 100%;
    }

    .project-cta-banner__actions .btn {
        width: 100%;
    }
}