:root {
    --primary-color: #155eef;
    --primary-dark: #0b3fa8;
    --secondary-color: #eef4ff;
    --text-color: #182230;
    --muted-color: #667085;
    --white-color: #ffffff;
    --light-color: #f8fafc;
    --border-color: #e4e7ec;
    --success-color: #17b26a;
    --shadow: 0 20px 50px rgba(16, 24, 40, 0.08);
    --border-radius: 18px;
    --container-width: 1480px;
}

/* ==================================================
   GENEL AYARLAR
================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    color: var(--text-color);
    background-color: var(--white-color);
    font-family: "Inter", Arial, Helvetica, sans-serif;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.6;
}

body.menu-open {
    overflow: hidden;
}

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

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

button {
    color: inherit;
}

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

svg {
    display: block;
}

.container {
    width: min(100% - 40px, var(--container-width));
    margin-right: auto;
    margin-left: auto;
}

/* ==================================================
   COMPACT HEADER
================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid #e4e7ec;
    box-shadow: 0 3px 14px rgba(16, 24, 40, 0.05);
}

/* Üst bilgi alanı */

.header-top {
    background-color: #101828;
}

.header-top-content {
    min-height: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
}

.header-top-text {
    margin: 0;
    color: rgba(255, 255, 255, 0.75);
    font-size: 10px;
    font-weight: 600;
}

.header-top-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-top-divider {
    width: 1px;
    height: 13px;
    background-color: rgba(255, 255, 255, 0.2);
}

/* Sosyal medya */

.header-socials {
    display: flex;
    align-items: center;
    gap: 3px;
}

.header-socials a {
    width: 23px;
    height: 23px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.75);
    border-radius: 5px;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.header-socials a:hover {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.12);
}

.header-socials svg {
    width: 12px;
    height: 12px;
    fill: currentColor;
}

/* Dil seçici */

.language-switcher {
    position: relative;
}

.language-button {
    height: 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 0 5px;
    color: #ffffff;
    background-color: transparent;
    border: 0;
    border-radius: 5px;
    font-size: 9px;
    font-weight: 900;
    cursor: pointer;
}

.language-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.language-button svg {
    width: 11px;
    height: 11px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.language-button[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: calc(100% + 7px);
    right: 0;
    z-index: 1400;
    min-width: 125px;
    display: none;
    padding: 6px;
    color: var(--text-color);
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(16, 24, 40, 0.14);
}

.language-menu.active {
    display: grid;
}

.language-menu a {
    padding: 7px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
}

.language-menu a:hover,
.language-menu a.active {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

/* Ana header */

.header-main {
    background-color: #ffffff;
}

.header-main-content {
    min-height: 78px;
    display: grid;
    grid-template-columns: 150px minmax(650px, 1fr) 180px;
    align-items: center;
    gap: 22px;
}

.header-logo {
    display: inline-flex;
    align-items: center;
    justify-self: start;
}

.header-logo img {
    width: auto;
    max-width: 175px;
    max-height: 64px;
    object-fit: contain;
}

.navigation {
    width: 100%;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    white-space: nowrap;
}

.navigation > a {
    position: relative;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 10px;
    color: #344054;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.25px;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.navigation > a:hover,
.navigation > a.active {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

.navigation > a.active::after {
    position: absolute;
    right: 8px;
    bottom: 2px;
    left: 8px;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 4px;
    content: "";
}

/* Telefon */

.header-phone {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-self: end;
    gap: 9px;
    padding: 6px 12px 6px 7px;
    color: #ffffff;
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--primary-dark)
    );
    border-radius: 11px;
    box-shadow: 0 7px 18px rgba(21, 94, 239, 0.2);
}

.header-phone:hover {
    transform: translateY(-1px);
    box-shadow: 0 7px 17px rgba(21, 94, 239, 0.24);
}

.header-phone-icon {
    width: 29px;
    height: 29px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-color: rgba(255, 255, 255, 0.14);
    border-radius: 7px;
}

.header-phone-icon svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.header-phone-text {
    display: grid;
    gap: 0;
}

.header-phone-text small {
    color: rgba(255, 255, 255, 0.7);
    font-size: 7px;
    font-weight: 600;
    line-height: 1.1;
}

.header-phone-text strong {
    font-size: 9px;
    font-weight: 900;
    line-height: 1.2;
    white-space: nowrap;
}

@media (max-width: 1280px) {
    .header-main-content {
        grid-template-columns: 125px minmax(590px, 1fr) 155px;
        gap: 12px;
    }

    @media (max-width: 1280px) {
        .header-logo img {
            max-width: 155px;
            max-height: 58px;
        }
    }

    .navigation {
        gap: 4px;
    }

    .navigation > a {
        padding-right: 6px;
        padding-left: 6px;
        font-size: 11px;
    }
}

/* Mobil menü butonu */

.menu-button {
    position: relative;
    z-index: 1320;
    width: 38px;
    height: 38px;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 0;
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 9px;
    cursor: pointer;
}

.menu-button span {
    width: 19px;
    height: 2px;
    background-color: var(--text-color);
    border-radius: 4px;
    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1280;
    display: none;
    background-color: rgba(16, 24, 40, 0.48);
}

.menu-overlay.active {
    display: block;
}

.mobile-header-area {
    display: none;
}

/* Küçük masaüstü */

@media (max-width: 1280px) {
    .header-main-content {
        grid-template-columns: 115px minmax(0, 1fr) 130px;
        gap: 8px;
    }

    .header-logo img {
        max-width: 105px;
    }

    .navigation > a {
        padding-right: 5px;
        padding-left: 5px;
        font-size: 8px;
    }

    .header-phone {
        padding-right: 7px;
    }

    .header-phone-icon {
        width: 27px;
        height: 27px;
    }

    .header-phone-text strong {
        font-size: 8px;
    }
}

/* Tablet ve mobil */

@media (max-width: 1080px) {
    .header-top {
        display: none;
    }

    .header-main-content {
        min-height: 60px;
        display: flex;
        justify-content: space-between;
        gap: 12px;
    }

    .header-logo img {
        max-width: 115px;
        max-height: 42px;
    }

    .header-phone {
        display: none;
    }

    .menu-button {
        display: flex;
        margin-left: auto;
    }

    .navigation {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 1300;
        width: min(340px, 88%);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 4px;
        padding: 72px 18px 25px;
        overflow-y: auto;
        background-color: #ffffff;
        box-shadow: -12px 0 35px rgba(16, 24, 40, 0.16);
        white-space: normal;
        transform: translateX(105%);
        transition: transform 0.25s ease;
    }

    .navigation.active {
        transform: translateX(0);
    }

    .navigation > a {
        min-height: 44px;
        justify-content: flex-start;
        padding: 0 12px;
        font-size: 12px;
    }

    .navigation > a.active::after {
        top: 12px;
        right: auto;
        bottom: 12px;
        left: 3px;
        width: 3px;
        height: auto;
    }

    .mobile-header-area {
        display: grid;
        gap: 13px;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid var(--border-color);
    }

    .mobile-language-links {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 7px;
    }

    .mobile-language-links a {
        padding: 9px;
        color: var(--muted-color);
        background-color: var(--light-color);
        border: 1px solid var(--border-color);
        border-radius: 7px;
        text-align: center;
        font-size: 10px;
        font-weight: 900;
    }

    .mobile-language-links a.active {
        color: var(--primary-color);
        background-color: var(--secondary-color);
    }

    .mobile-phone {
        min-height: 43px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #ffffff;
        background-color: var(--primary-color);
        border-radius: 8px;
        font-size: 11px;
        font-weight: 900;
    }
}

@media (max-width: 600px) {
    .header-main-content {
        min-height: 56px;
    }

    .header-logo img {
        max-width: 105px;
        max-height: 39px;
    }

    .menu-button {
        width: 36px;
        height: 36px;
    }

    .navigation {
        width: 90%;
    }
}

/* Dil seçici */

.language-switcher {
    position: relative;
}

.language-button {
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 8px;
    color: rgba(255, 255, 255, 0.88);
    background-color: transparent;
    border: 0;
    border-radius: 7px;
    font-size: 11px;
    font-weight: 900;
    cursor: pointer;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.language-button:hover,
.language-button:focus-visible {
    color: var(--white-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.language-button > svg:first-child {
    width: 15px;
    height: 15px;
    fill: currentColor;
}

.language-arrow {
    width: 13px;
    height: 13px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.2s ease;
}

.language-button[aria-expanded="true"] .language-arrow {
    transform: rotate(180deg);
}

.language-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    z-index: 1300;
    min-width: 165px;
    display: none;
    padding: 8px;
    color: var(--text-color);
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 18px 45px rgba(16, 24, 40, 0.16);
}

.language-menu.active {
    display: grid;
}

.language-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 11px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 700;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.language-menu a span {
    min-width: 30px;
    padding: 3px 5px;
    color: var(--muted-color);
    background-color: var(--light-color);
    border-radius: 5px;
    text-align: center;
    font-size: 10px;
    font-weight: 900;
}

.language-menu a:hover,
.language-menu a:focus-visible,
.language-menu a.active {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

/* Ana header alanı */

.header-main {
    background-color: var(--white-color);
}

.header-main-content {
    min-height: 86px;
    display: grid;
    grid-template-columns:
        minmax(160px, 1fr)
        auto
        minmax(190px, 1fr);
    align-items: center;
    gap: 30px;
}

.header-logo {
    display: inline-flex;
    align-items: center;
    justify-self: start;
}

.header-logo img {
    width: auto;
    max-width: 185px;
    height: 60px;
    object-fit: contain;
}

/* Ana menü */

.navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    white-space: nowrap;
}

.navigation > a {
    position: relative;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    color: #344054;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: -0.15px;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.navigation > a:hover,
.navigation > a:focus-visible {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

.navigation > a.active {
    color: var(--primary-color);
    background-color: var(--secondary-color);
}

.navigation > a.active::after {
    position: absolute;
    right: 12px;
    bottom: 4px;
    left: 12px;
    height: 2px;
    background-color: var(--primary-color);
    border-radius: 5px;
    content: "";
}

/* Sağ telefon butonu */

.header-call-area {
    display: flex;
    justify-content: flex-end;
    justify-self: end;
}

.header-call-button {
    min-height: 54px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 14px 7px 8px;
    color: var(--white-color);
    background: linear-gradient(
        135deg,
        var(--primary-color),
        var(--primary-dark)
    );
    border-radius: 14px;
    box-shadow: 0 8px 20px rgba(21, 94, 239, 0.22);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.header-call-button:hover,
.header-call-button:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(21, 94, 239, 0.3);
}

.call-button-icon {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background-color: rgba(255, 255, 255, 0.14);
    border-radius: 11px;
}

.call-button-icon svg {
    width: 19px;
    height: 19px;
    fill: currentColor;
}

.call-button-text {
    display: grid;
    gap: 1px;
}

.call-button-text small {
    color: rgba(255, 255, 255, 0.76);
    font-size: 9px;
    font-weight: 600;
}

.call-button-text strong {
    font-size: 12px;
    font-weight: 900;
    white-space: nowrap;
}

/* Mobil menü butonu */

.menu-button {
    position: relative;
    z-index: 1060;
    width: 46px;
    height: 46px;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    justify-self: end;
    gap: 5px;
    padding: 0;
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
}

.menu-button span {
    width: 22px;
    height: 2px;
    background-color: var(--text-color);
    border-radius: 5px;
    transition:
        transform 0.2s ease,
        opacity 0.2s ease;
}

.menu-button[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-button[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobil menü arka planı */

.menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 1040;
    display: none;
    background-color: rgba(16, 24, 40, 0.5);
    backdrop-filter: blur(2px);
}

.menu-overlay.active {
    display: block;
}

.mobile-menu-footer {
    display: none;
}

/* ==================================================
   HERO
================================================== */

.hero {
    padding: 100px 0;
    background:
        radial-gradient(
            circle at top left,
            rgba(21, 94, 239, 0.15),
            transparent 40%
        ),
        linear-gradient(
            135deg,
            #ffffff 0%,
            #f3f7ff 100%
        );
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 70px;
    align-items: center;
}

.hero-label,
.section-heading > span,
.cta > .container span {
    display: inline-block;
    margin-bottom: 14px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 720px;
    margin-bottom: 24px;
    font-size: clamp(42px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -2px;
}

.hero-text > p {
    max-width: 650px;
    margin-bottom: 34px;
    color: var(--muted-color);
    font-size: 19px;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ==================================================
   BUTONLAR
================================================== */

.button {
    min-height: 50px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 24px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-weight: 900;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        background-color 0.2s ease,
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    color: var(--white-color);
    background-color: var(--primary-color);
}

.button-primary:hover,
.button-primary:focus-visible {
    background-color: var(--primary-dark);
    box-shadow: 0 10px 24px rgba(21, 94, 239, 0.2);
}

.button-secondary {
    color: var(--text-color);
    background-color: var(--white-color);
    border-color: var(--border-color);
}

.button-secondary:hover,
.button-secondary:focus-visible {
    border-color: var(--primary-color);
}

.button-white {
    color: var(--primary-color);
    background-color: var(--white-color);
}

.button-white:hover,
.button-white:focus-visible {
    background-color: var(--secondary-color);
}

/* ==================================================
   HERO KARTI
================================================== */

.hero-card {
    padding: 40px;
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    box-shadow: var(--shadow);
}

.hero-card-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--white-color);
    background-color: var(--success-color);
    border-radius: 50%;
    font-size: 22px;
    font-weight: 900;
}

.hero-card h2 {
    margin-bottom: 14px;
    font-size: 27px;
    font-weight: 900;
}

.hero-card p {
    margin-bottom: 22px;
    color: var(--muted-color);
}

.hero-card ul {
    display: grid;
    gap: 12px;
    list-style: none;
}

.hero-card li {
    position: relative;
    padding-left: 25px;
    color: var(--text-color);
    font-weight: 700;
}

.hero-card li::before {
    position: absolute;
    top: 0;
    left: 0;
    color: var(--success-color);
    font-weight: 900;
    content: "✓";
}

/* ==================================================
   GENEL BÖLÜMLER
================================================== */

.section {
    padding: 100px 0;
}

.section-light {
    background-color: var(--light-color);
}

.section-heading {
    max-width: 720px;
    margin: 0 auto 55px;
    text-align: center;
}

.section-heading h2 {
    margin-bottom: 18px;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 900;
    line-height: 1.15;
}

.section-heading p {
    color: var(--muted-color);
    font-size: 17px;
}

/* ==================================================
   HAKKIMIZDA
================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content h3 {
    margin-bottom: 20px;
    font-size: 30px;
    font-weight: 900;
}

.about-content p {
    margin-bottom: 18px;
    color: var(--muted-color);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.feature-item {
    padding: 24px;
    background-color: var(--light-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.feature-item strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-color);
    font-size: 19px;
    font-weight: 900;
}

.feature-item span {
    color: var(--muted-color);
    font-size: 14px;
}

/* ==================================================
   HİZMETLER
================================================== */

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

.service-card {
    padding: 34px;
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.service-icon {
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: var(--primary-color);
    background-color: var(--secondary-color);
    border-radius: 14px;
    font-weight: 900;
}

.service-card h3 {
    margin-bottom: 14px;
    font-size: 22px;
    font-weight: 900;
}

.service-card p {
    color: var(--muted-color);
}

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

.cta {
    padding: 70px 0;
    color: var(--white-color);
    background-color: var(--primary-color);
}

.cta-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.cta span {
    color: rgba(255, 255, 255, 0.8);
}

.cta h2 {
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 900;
    line-height: 1.15;
}

/* ==================================================
   İLETİŞİM
================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 40px;
}

.contact-info,
.contact-form {
    padding: 34px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.contact-info {
    background-color: var(--light-color);
}

.contact-info h3 {
    margin-bottom: 28px;
    font-size: 26px;
    font-weight: 900;
}

.contact-item {
    display: grid;
    gap: 4px;
    margin-bottom: 22px;
}

.contact-item strong {
    color: var(--text-color);
    font-weight: 900;
}

.contact-item a,
.contact-item span {
    color: var(--muted-color);
}

.contact-item a:hover,
.contact-item a:focus-visible {
    color: var(--primary-color);
}

.contact-form {
    display: grid;
    gap: 20px;
    background-color: var(--white-color);
}

.form-group {
    display: grid;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 900;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 16px;
    color: var(--text-color);
    background-color: var(--white-color);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    outline: none;
    font-size: 14px;
    font-weight: 500;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .button {
    justify-self: start;
}

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

.site-footer {
    color: rgba(255, 255, 255, 0.8);
    background-color: #101828;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    padding-top: 70px;
    padding-bottom: 55px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: 18px;
    color: var(--white-color);
}

.footer-logo img {
    width: auto;
    max-width: 170px;
    max-height: 60px;
    object-fit: contain;
}

.footer-content p {
    max-width: 340px;
}

.footer-links {
    display: grid;
    align-content: start;
    gap: 12px;
}

.footer-links h3 {
    margin-bottom: 6px;
    color: var(--white-color);
    font-size: 17px;
    font-weight: 900;
}

.footer-links a,
.footer-links span {
    font-size: 14px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: var(--white-color);
}

.footer-bottom {
    padding: 22px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 13px;
}

/* ==================================================
   RESPONSIVE - BÜYÜK EKRAN
================================================== */

@media (max-width: 1400px) {
    :root {
        --container-width: 1320px;
    }

    .header-main-content {
        gap: 18px;
    }

    .navigation > a {
        padding-right: 9px;
        padding-left: 9px;
        font-size: 11px;
    }

    .header-logo img {
        max-width: 160px;
    }

    .header-call-button {
        padding-right: 10px;
    }
}

@media (max-width: 1200px) {
    .header-main-content {
        grid-template-columns:
            minmax(135px, 0.7fr)
            auto
            minmax(155px, 0.7fr);
        gap: 10px;
    }

    .header-logo img {
        max-width: 140px;
        height: 55px;
    }

    .navigation {
        gap: 1px;
    }

    .navigation > a {
        padding-right: 7px;
        padding-left: 7px;
        font-size: 10px;
    }

    .call-button-icon {
        width: 36px;
        height: 36px;
    }

    .call-button-text small {
        display: none;
    }

    .call-button-text strong {
        font-size: 10px;
    }
}

/* ==================================================
   RESPONSIVE - TABLET VE MOBİL HEADER
================================================== */

@media (max-width: 1024px) {
    .header-topbar {
        display: none;
    }

    .header-main-content {
        min-height: 76px;
        display: flex;
        justify-content: space-between;
        gap: 15px;
    }

    .header-logo img {
        max-width: 155px;
        height: 52px;
    }

    .header-call-area {
        display: none;
    }

    .menu-button {
        display: flex;
        margin-left: auto;
    }

    .navigation {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        z-index: 1050;
        width: min(390px, 88%);
        display: flex;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: 5px;
        padding: 90px 25px 30px;
        overflow-y: auto;
        background-color: var(--white-color);
        box-shadow: -15px 0 45px rgba(16, 24, 40, 0.18);
        white-space: normal;
        transform: translateX(105%);
        transition: transform 0.28s ease;
    }

    .navigation.active {
        transform: translateX(0);
    }

    .navigation > a {
        min-height: 50px;
        justify-content: flex-start;
        padding: 0 15px;
        border: 1px solid transparent;
        border-radius: 11px;
        font-size: 14px;
    }

    .navigation > a:hover,
    .navigation > a:focus-visible,
    .navigation > a.active {
        border-color: rgba(21, 94, 239, 0.12);
    }

    .navigation > a.active::after {
        top: 14px;
        right: auto;
        bottom: 14px;
        left: 4px;
        width: 3px;
        height: auto;
    }

    .mobile-menu-footer {
        display: grid;
        gap: 20px;
        margin-top: 25px;
        padding-top: 25px;
        border-top: 1px solid var(--border-color);
    }

    .mobile-language-list {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .mobile-language-list a {
        padding: 11px;
        color: var(--muted-color);
        background-color: var(--light-color);
        border: 1px solid var(--border-color);
        border-radius: 9px;
        text-align: center;
        font-size: 12px;
        font-weight: 900;
    }

    .mobile-language-list a.active {
        color: var(--primary-color);
        background-color: var(--secondary-color);
        border-color: rgba(21, 94, 239, 0.2);
    }

    .mobile-phone-button {
        min-height: 50px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--white-color);
        background-color: var(--primary-color);
        border-radius: 11px;
        font-size: 14px;
        font-weight: 900;
    }

    .mobile-socials {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    .mobile-socials a {
        color: var(--muted-color);
        font-size: 11px;
        font-weight: 700;
    }

    .mobile-socials a:hover,
    .mobile-socials a:focus-visible {
        color: var(--primary-color);
    }

    .hero-content,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 75px 0;
    }

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

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

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

/* ==================================================
   RESPONSIVE - TELEFON
================================================== */

@media (max-width: 600px) {
    .container {
        width: min(100% - 28px, var(--container-width));
    }

    .header-main-content {
        min-height: 70px;
    }

    .header-logo img {
        max-width: 135px;
        height: 48px;
    }

    .menu-button {
        width: 42px;
        height: 42px;
    }

    .navigation {
        width: min(350px, 92%);
        padding-right: 20px;
        padding-left: 20px;
    }

    .section {
        padding: 75px 0;
    }

    .hero {
        padding: 65px 0;
    }

    .hero h1 {
        font-size: 42px;
        letter-spacing: -1px;
    }

    .hero-text > p {
        font-size: 17px;
    }

    .hero-card,
    .contact-info,
    .contact-form {
        padding: 25px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .button {
        width: 100%;
    }

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

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

    .contact-form .button {
        width: 100%;
    }
}

@media (max-width: 400px) {
    .header-logo img {
        max-width: 115px;
    }

    .navigation {
        width: 94%;
    }

    .hero h1 {
        font-size: 36px;
    }

    .hero-card {
        padding: 22px;
    }
}

/* Header boyut düzeltmesi */

.header-top-content {
    min-height: 36px;
}

.header-top-text {
    font-size: 11px;
}

.header-socials a {
    width: 27px;
    height: 27px;
}

.header-socials svg {
    width: 14px;
    height: 14px;
}

.language-button {
    height: 28px;
    padding: 0 8px;
    font-size: 10px;
}

.header-main-content {
    min-height: 76px;
    grid-template-columns: 160px minmax(0, 1fr) 175px;
    gap: 16px;
}

.header-logo img {
    max-width: 150px;
    max-height: 55px;
}

.navigation {
    gap: 3px;
}

.navigation > a {
    min-height: 40px;
    padding: 0 9px;
    font-size: 11px;
    letter-spacing: -0.15px;
}

.header-phone {
    min-height: 48px;
    gap: 9px;
    padding: 6px 12px 6px 7px;
    border-radius: 11px;
}

.header-phone-icon {
    width: 35px;
    height: 35px;
}

.header-phone-icon svg {
    width: 17px;
    height: 17px;
}

.header-phone-text small {
    font-size: 8px;
}

.header-phone-text strong {
    font-size: 10px;
}

@media (max-width: 1280px) {
    .header-main-content {
        grid-template-columns: 140px minmax(0, 1fr) 155px;
        gap: 9px;
    }

    .header-logo img {
        max-width: 130px;
        max-height: 50px;
    }

    .navigation > a {
        padding-right: 6px;
        padding-left: 6px;
        font-size: 9px;
    }

    .header-phone-icon {
        width: 32px;
        height: 32px;
    }

    .header-phone-text strong {
        font-size: 9px;
    }
}

@media (max-width: 1080px) {
    .header-main-content {
        min-height: 70px;
    }

    .header-logo img {
        max-width: 135px;
        max-height: 50px;
    }

    .menu-button {
        width: 42px;
        height: 42px;
    }

    .navigation > a {
        min-height: 48px;
        padding: 0 14px;
        font-size: 13px;
    }
}

@media (max-width: 600px) {
    .header-main-content {
        min-height: 66px;
    }

    .header-logo img {
        max-width: 125px;
        max-height: 46px;
    }

    .menu-button {
        width: 40px;
        height: 40px;
    }
}

/* ==================================================
   HEADER YAZI VE BOYUT DÜZELTMESİ
================================================== */

.header-top-content {
    min-height: 36px;
}

.header-top-text {
    font-size: 12px;
    font-weight: 700;
}

.header-socials a {
    width: 28px;
    height: 28px;
}

.header-socials svg {
    width: 15px;
    height: 15px;
}

.language-button {
    height: 28px;
    padding: 0 8px;
    font-size: 11px;
}

/* Ana header */

.header-main-content {
    min-height: 78px;
    grid-template-columns: 155px minmax(0, 1fr) 185px;
    gap: 18px;
}

.header-logo img {
    max-width: 140px;
    max-height: 58px;
}

/* Menü yazıları */

.navigation {
    gap: 5px;
}

.navigation > a {
    min-height: 42px;
    padding: 0 11px;
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.25px;
}

/* Telefon alanı */

.header-phone {
    min-height: 50px;
    gap: 9px;
    padding: 6px 13px 6px 7px;
    border-radius: 11px;
}

.header-phone-icon {
    width: 36px;
    height: 36px;
}

.header-phone-icon svg {
    width: 17px;
    height: 17px;
}

.header-phone-text small {
    font-size: 9px;
    line-height: 1.2;
}

.header-phone-text strong {
    font-size: 11px;
    line-height: 1.25;
}

/* 1280px ve daha küçük masaüstü ekranlar */

@media (max-width: 1280px) {
    .header-main-content {
        grid-template-columns: 130px minmax(0, 1fr) 160px;
        gap: 10px;
    }

    .header-logo img {
        max-width: 120px;
    }

    .navigation {
        gap: 2px;
    }

    .navigation > a {
        padding-right: 7px;
        padding-left: 7px;
        font-size: 11px;
    }

    .header-phone {
        padding-right: 9px;
    }

    .header-phone-icon {
        width: 32px;
        height: 32px;
    }

    .header-phone-text strong {
        font-size: 9px;
    }
}

/* Menü bu genişlikten sonra mobil hale geçsin */

@media (max-width: 1120px) {
    .header-top {
        display: none;
    }

    .header-main-content {
        min-height: 70px;
        display: flex;
        justify-content: space-between;
    }

    .header-logo img {
        max-width: 135px;
        max-height: 52px;
    }

    .header-phone {
        display: none;
    }

    .menu-button {
        display: flex;
        margin-left: auto;
    }

    .navigation > a {
        min-height: 48px;
        padding: 0 14px;
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .header-main-content {
        min-height: 66px;
    }

    .header-logo img {
        max-width: 125px;
        max-height: 48px;
    }
}

/* HEADER FONT BOYUTLARINI BÜYÜT */

.header-top-text {
    font-size: 13px;
}

.language-button {
    font-size: 12px;
}

.language-menu a {
    font-size: 13px;
}

.navigation > a {
    padding-right: 12px;
    padding-left: 12px;
    font-size: 15px;
    font-weight: 900;
    letter-spacing: -0.3px;
}

.header-phone-text small {
    font-size: 10px;
}

.header-phone-text strong {
    font-size: 13px;
}

@media (max-width: 1280px) {
    .navigation > a {
        padding-right: 8px;
        padding-left: 8px;
        font-size: 13px;
    }

    .header-phone-text small {
        font-size: 9px;
    }

    .header-phone-text strong {
        font-size: 11px;
    }
}

@media (max-width: 1080px) {
    .navigation > a {
        font-size: 15px;
    }

    .mobile-language-links a {
        font-size: 13px;
    }

    .mobile-phone {
        font-size: 14px;
    }
}

/* ==================================================
   SLIDER GÖRSEL BOYUTLANDIRMA
================================================== */

.property-slider {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    background-color: #101828;
}

.slider-track,
.slider-slide {
    width: 100%;
    height: 100%;
}

.slider-slide {
    position: absolute;
    inset: 0;
    z-index: 0;
    visibility: hidden;
    overflow: hidden;
    opacity: 0;
    transition:
        opacity 0.7s ease,
        visibility 0.7s ease;
}

.slider-slide.active {
    z-index: 1;
    visibility: visible;
    opacity: 1;
}

/*
 Büyük görseller küçültülmez.
 Küçük görseller JavaScript ile orantılı olarak büyütülür.
 Görsel ortalanır ve taşan kısımlar görünmez.
*/

.slider-image {
    position: absolute;
    top: 50%;
    left: 50%;
    display: block;
    width: auto;
    height: auto;
    max-width: none;
    max-height: none;
    transform: translate(-50%, -50%);
}

/* Tablet */

@media (max-width: 1024px) {
    .property-slider {
        height: 500px;
    }
}

/* Telefon */

@media (max-width: 600px) {
    .property-slider {
        height: 440px;
    }
}

/* LOGO BOYUTUNU ZORLA BÜYÜT */

.header-main-content {
    min-height: 92px;
    grid-template-columns: 220px minmax(0, 1fr) 185px;
}

.header-logo {
    width: 210px;
    height: 78px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.header-logo img {
    width: 200px !important;
    height: 74px !important;
    max-width: none !important;
    max-height: none !important;
    object-fit: contain;
}

@media (max-width: 1280px) {
    .header-main-content {
        grid-template-columns: 180px minmax(0, 1fr) 165px;
    }

    .header-logo {
        width: 170px;
        height: 70px;
    }

    .header-logo img {
        width: 165px !important;
        height: 65px !important;
    }
}

@media (max-width: 1080px) {
    .header-logo {
        width: 155px;
        height: 62px;
    }

    .header-logo img {
        width: 150px !important;
        height: 58px !important;
    }
}

@media (max-width: 600px) {
    .header-logo {
        width: 135px;
        height: 56px;
    }

    .header-logo img {
        width: 130px !important;
        height: 52px !important;
    }
}