/* Tekin İnşaat — temel stiller (kullanılmayan eski kurallar ayıklandı) */
:root {--primary-color: #E3120B;
    --primary-dark: #b80d07;
    --secondary-color: #111111;
    --accent-color: #f4f4f4;
    --text-color: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --font-main: 'Plus Jakarta Sans', sans-serif;}
* {margin: 0;
    padding: 0;
    box-sizing: border-box;}
body {font-family: var(--font-main);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;}
a {text-decoration: none;
    color: inherit;
    transition: var(--transition);}
ul {list-style: none;}
img {max-width: 100%;
    display: block;}
.container {max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;}
section {padding: 80px 0;}
h1, h2, h3, h4 {color: var(--secondary-color);
    font-weight: 700;
    line-height: 1.2;}
.main-header {background: transparent;
    padding: 18px 0;
    position: fixed;
    top: 32px;
    width: 100%;
    z-index: 1000;
    transition: background 0.1s ease, top 0.1s ease, padding 0.1s ease, box-shadow 0.1s ease;
    box-shadow: none;}
.main-header.scrolled {padding: 12px 0;
    background: #ffffff !important;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.12);
    top: 0;}
@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 0.8;
        transform: translateY(0);
    }
}
.whatsapp-widget {position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;}
.wa-main-btn {width: 60px;
    height: 60px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: pulse 2s infinite;}
.wa-main-btn:hover {transform: scale(1.1);}
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}
.wa-badge {position: absolute;
    top: -5px;
    right: -5px;
    background: red;
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    font-size: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;}
.wa-tooltip {position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;}
.whatsapp-widget:hover .wa-tooltip {opacity: 1;}
@media (max-width: 991px) {html, body {overflow-x: hidden !important;
        max-width: 100vw !important;}
.container {max-width: 100% !important;
        padding-left: 15px !important;
        padding-right: 15px !important;}
.main-header {padding: 12px 0 !important;
        margin-top: 4px !important;}
.main-header.scrolled {margin-top: 0 !important;}
}
.hamburger-menu-btn {display: none;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    padding: 0;
    z-index: 10001;
    flex-direction: column;
    gap: 5px;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);}
.hamburger-menu-btn span {display: block;
    width: 22px;
    height: 3px;
    background-color: #fff;
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    transform-origin: center;}
.main-header.scrolled .hamburger-menu-btn {background: #fff;
    border-color: #f1f5f9;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);}
.main-header.scrolled .hamburger-menu-btn span {background-color: var(--secondary-color);}
.hamburger-menu-btn.active {background: #fff !important;
    border-color: #f1f5f9 !important;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1) !important;}
.hamburger-menu-btn.active span {background-color: var(--secondary-color) !important;}
.hamburger-menu-btn.active span:nth-child(1) {transform: translateY(8px) rotate(45deg);}
.hamburger-menu-btn.active span:nth-child(2) {opacity: 0;
    transform: translateX(-10px);}
.hamburger-menu-btn.active span:nth-child(3) {transform: translateY(-8px) rotate(-45deg);}
@media (max-width: 991px) {.hamburger-menu-btn {display: flex;}
}
.mobile-menu-overlay {position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: #fff;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
    box-shadow: -15px 0 50px rgba(0, 0, 0, 0.1);}
.mobile-menu-overlay::before {content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(5px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s ease;
    z-index: -1;}
.mobile-menu-overlay.active {right: 0;}
.mobile-menu-overlay.active::before {opacity: 1;
    visibility: visible;}
@media (min-width: 576px) {.mobile-menu-overlay {width: 380px;}
}
.mobile-menu-header {padding: 12px 25px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #f1f5f9;
    background: #fff;
    min-height: 70px;}
.mobile-logo-link {display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;}
.mobile-logo {height: 40px;
    width: auto;}
.mobile-logo-text {font-size: 18px;
    font-weight: 850;
    color: var(--secondary-color);
    letter-spacing: -0.5px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
    justify-content: center;}
.mobile-logo-text span {font-size: 11px;
    font-weight: 600;
    color: var(--primary-color) !important;
    text-transform: uppercase;
    letter-spacing: 0.2px;
    margin-top: 1px;}
.mobile-close-btn {background: var(--primary-color);
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    color: #fff;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.3s;
    box-shadow: 0 4px 15px rgba(227, 18, 11, 0.3);}
.mobile-close-btn:hover {transform: rotate(90deg);
    background: #c10f09;}
.mobile-nav {flex: 1;
    overflow-y: auto;
    padding: 30px 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;}
.mobile-link, .mobile-menu-toggle {display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    color: #334155;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 15px;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    background: #fff;
    border: 1px solid #f1f5f9;
    width: 100%;
    text-align: left;
    box-shadow: 0 4px 10px rgba(15, 23, 42, 0.05);}
.mobile-link:hover, .mobile-link.active {background: #fdf2f2;
    color: var(--primary-color);
    border-color: rgba(227, 18, 11, 0.1);}
.mobile-menu-toggle {background: #fff;
    color: #1e293b;
    margin-top: 5px;}
.mobile-menu-toggle i {font-size: 0.85rem;
    transition: transform 0.4s ease;}
.mobile-menu-item-with-sub.open .mobile-menu-toggle {background: rgba(227, 18, 11, 0.05);
    color: var(--primary-color);}
.mobile-menu-item-with-sub.open .mobile-menu-toggle i {transform: rotate(180deg);}
.mobile-submenu {max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(1, 0, 0, 1);
    opacity: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;}
.mobile-menu-item-with-sub.open .mobile-submenu {max-height: 800px;
    opacity: 1;
    padding: 10px 0 5px 15px;}
.mobile-submenu a {display: block;
    padding: 12px 18px;
    color: #64748b;
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid #f1f5f9;
    transition: 0.3s;}
.mobile-submenu a:hover {color: var(--primary-color);
    background: #fff;
    border-color: var(--primary-color);
    transform: translateX(5px);}
@media (min-width: 992px) {.hamburger-menu-btn, .mobile-menu-overlay {display: none !important;}
}