:root {
    --bg: #07101f;
    --bg-soft: #0b1730;
    --panel: rgba(9, 20, 38, 0.9);
    --panel-2: rgba(11, 24, 46, 0.96);
    --line: rgba(0, 195, 255, 0.14);
    --stroke: rgba(0, 195, 255, 0.28);
    --text: #eef4ff;
    --muted: #96a8c8;
    --cyan: #00d8ff;
    --cyan-soft: #5ce8ff;
    --white: #ffffff;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    color: var(--text);
    background:
        linear-gradient(rgba(0, 195, 255, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 195, 255, 0.06) 1px, transparent 1px),
        radial-gradient(circle at 20% 20%, rgba(0, 216, 255, 0.08), transparent 30%),
        radial-gradient(circle at 80% 30%, rgba(0, 216, 255, 0.06), transparent 25%),
        linear-gradient(180deg, #07101f 0%, #050c18 100%);
    background-size: 48px 48px, 48px 48px, auto, auto, auto;
    overflow-x: hidden;
}

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

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

.container {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

main {
    min-height: 100vh;
}

/* NAVBAR */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(4, 10, 20, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.logo-box {
    border: 2px solid var(--cyan);
    padding: 6px 12px;
    color: var(--cyan);
    font-weight: 900;
    letter-spacing: 2px;
    box-shadow: 0 0 10px rgba(0,255,255,0.3);
}

.logo-text {
    color: #ffffff;
    letter-spacing: 2px;
}

nav {
    display: flex;
    align-items: center;
    gap: 34px;
}

nav a {
    color: var(--muted);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: 0.25s ease;
}

nav a:hover {
    color: var(--white);
}

.nav-phone a {
    color: var(--cyan);
    font-weight: 600;
    margin-right: 16px;
    letter-spacing: 0.05em;
    transition: 0.2s;
}

.nav-phone a:hover {
    color: #ffffff;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 22px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    color: var(--white);
    font-weight: 600;
    transition: 0.25s ease;
}

.btn:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 18px rgba(0, 216, 255, 0.15);
}

/* HERO */
.hero {
    padding: 90px 0 70px;
}

.hero-center {
    max-width: 980px;
    margin: 0 auto;
    text-align: center;
    padding-top: 40px;
}

.section-tag {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--stroke);
    color: var(--cyan);
    font-size: 0.82rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 12px;
    background: rgba(0, 216, 255, 0.04);
}

.hero-title {
    margin: 0 0 24px;
    font-size: clamp(4.5rem, 8vw, 7rem);
    line-height: 1.02;
    font-weight: 800;
    letter-spacing: -0.05em;
    color: #ffffff;
}

.hero-title span {
    color: var(--cyan);
}

.hero-text {
    max-width: 920px;
    margin: 0 auto;
    font-size: 1.35rem;
    line-height: 1.9;
    color: var(--muted);
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 38px;
}

.btn-primary,
.btn-outline {
    min-height: 56px;
    padding: 0 28px;
    border-radius: 16px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.9rem;
    transition: 0.25s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: transparent;
    border: 1px solid var(--stroke);
    color: var(--white);
}

.btn-primary:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 216, 255, 0.18);
}

.btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: var(--white);
}

.btn-outline:hover {
    border-color: var(--cyan);
}

/* SECTIONS */
.section {
    padding: 90px 0;
}

.section-top {
    margin-bottom: 34px;
}

.section h2 {
    margin: 0;
    font-size: clamp(2.1rem, 4vw, 3.6rem);
    line-height: 1.1;
    color: var(--white);
    font-weight: 700;
    letter-spacing: -0.03em;
}

/* SERVICES */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    border: 1px solid rgba(0, 216, 255, 0.18);
}

.service-card {
    min-height: 370px;
    padding: 42px;
    background: rgba(7, 16, 31, 0.7);
    border-right: 1px solid rgba(0, 216, 255, 0.14);
    border-bottom: 1px solid rgba(0, 216, 255, 0.14);
}

.service-card:nth-child(2n) {
    border-right: none;
}

.service-card:nth-last-child(-n+2) {
    border-bottom: none;
}

.service-no {
    color: var(--cyan);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    margin-bottom: 26px;
}

.service-card h3 {
    margin: 0 0 22px;
    font-size: 2rem;
    line-height: 1.18;
    color: var(--white);
    font-weight: 700;
}

.service-card p {
    margin: 0 0 26px;
    color: var(--muted);
    line-height: 1.9;
    font-size: 1.06rem;
    max-width: 92%;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-tags span {
    padding: 8px 12px;
    border: 1px solid var(--stroke);
    color: var(--cyan);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

/* ABOUT */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 54px;
    align-items: center;
}

.about-image-wrap {
    position: relative;
}

.about-image-wrap::before {
    content: "";
    position: absolute;
    inset: -14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    pointer-events: none;
}

.about-image {
    width: 100%;
    height: 540px;
    object-fit: cover;
    border: 1px solid rgba(0, 216, 255, 0.12);
}

.about-content h2 {
    margin-bottom: 24px;
}

.about-content p {
    margin: 0 0 20px;
    color: var(--muted);
    line-height: 1.95;
    font-size: 1.08rem;
}

/* CONTACT */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: start;
}

.contact-left h2 {
    margin-bottom: 24px;
}

.contact-left p {
    max-width: 420px;
    color: var(--muted);
    line-height: 1.9;
    font-size: 1.08rem;
}

.contact-info {
    margin-top: 42px;
    max-width: 420px;
}

.contact-info div {
    display: grid;
    grid-template-columns: 70px 1fr;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid rgba(0, 216, 255, 0.14);
    color: var(--muted);
}

.contact-info span {
    color: var(--cyan);
    letter-spacing: 0.14em;
    font-size: 0.82rem;
    text-transform: uppercase;
}

.contact-info a {
    color: var(--text);
    text-decoration: none;
}

.contact-info a:hover {
    color: var(--cyan);
}

.contact-form {
    display: grid;
    gap: 16px;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    background: rgba(7, 16, 31, 0.88);
    border: 1px solid rgba(0, 216, 255, 0.18);
    color: var(--text);
    padding: 18px 20px;
    font-size: 1rem;
    outline: none;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: #7388ad;
}

.contact-form textarea {
    min-height: 180px;
    resize: vertical;
}

.contact-form button {
    min-height: 58px;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: var(--white);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: 0.25s ease;
}

.contact-form button:hover {
    border-color: var(--cyan);
    box-shadow: 0 0 20px rgba(0, 216, 255, 0.16);
}

/* FOOTER */
.footer {
    border-top: 1px solid rgba(0, 216, 255, 0.14);
    padding: 28px 0 40px;
    color: var(--muted);
    font-size: 0.96rem;
}

.whatsapp-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    font-size: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    box-shadow: 0 10px 25px rgba(0,0,0,0.3);
    z-index: 9999;
    transition: 0.3s;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
}

/* RESPONSIVE */
@media (max-width: 1100px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-image {
        height: 420px;
    }
}

@media (max-width: 860px) {
    .nav-container {
        flex-direction: column;
        align-items: flex-start;
        padding: 18px 0;
    }

    nav {
        flex-wrap: wrap;
        gap: 16px;
    }

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

    .service-card {
        border-right: none;
        border-bottom: 1px solid rgba(0, 216, 255, 0.14);
        min-height: auto;
    }

    .service-card:last-child {
        border-bottom: none;
    }

    .hero {
        padding-top: 70px;
    }

    .hero-title {
        font-size: clamp(2.8rem, 10vw, 4.8rem);
    }

    .section,
    .hero {
        padding-bottom: 70px;
    }

    .about-image {
        height: 320px;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(100% - 28px, 1180px);
    }

    .btn-primary,
    .btn-outline,
    .btn {
        width: 100%;
    }

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

    .service-card {
        padding: 28px;
    }

    .service-card h3 {
        font-size: 1.55rem;
    }

    .contact-info div {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}
.form-alert {
    padding: 16px 18px;
    margin-bottom: 18px;
    font-weight: 600;
    border: 1px solid rgba(255,255,255,0.12);
}

.form-alert.success {
    color: #7dffb2;
    border-color: rgba(125,255,178,0.35);
    background: rgba(125,255,178,0.08);
}

.form-alert.error {
    color: #ff9d9d;
    border-color: rgba(255,157,157,0.35);
    background: rgba(255,157,157,0.08); 
}
/* ===== HEADER OVERRIDE - BCA LOGO VE MENÜ ===== */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(4, 10, 20, 0.88);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.nav-container {
    min-height: 84px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: flex !important;
    align-items: center !important;
    flex-shrink: 0;
}

.logo a {
    display: inline-flex !important;
    align-items: center !important;
}

.site-logo {
    display: block !important;
    height: 46px !important;
    width: auto !important;
    max-width: 180px !important;
    object-fit: contain !important;
}

.logo-box,
.logo-text {
    display: none !important;
}

.main-nav {
    display: flex !important;
    align-items: center !important;
    gap: 34px !important;
}

.main-nav a {
    color: var(--muted) !important;
    font-size: 0.95rem !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    transition: 0.25s ease !important;
}

.main-nav a:hover {
    color: var(--white) !important;
}

.header-right {
    display: flex !important;
    align-items: center !important;
    gap: 18px !important;
    flex-shrink: 0;
}

.nav-phone a {
    color: var(--cyan) !important;
    font-weight: 600 !important;
    letter-spacing: 0.05em !important;
    transition: 0.2s !important;
    white-space: nowrap;
}

.nav-phone a:hover {
    color: #ffffff !important;
}

.btn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 48px !important;
    padding: 0 22px !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 14px !important;
    color: var(--white) !important;
    font-weight: 600 !important;
    transition: 0.25s ease !important;
    white-space: nowrap;
}

.btn:hover {
    border-color: var(--cyan) !important;
    box-shadow: 0 0 18px rgba(0, 216, 255, 0.15) !important;
}

@media (max-width: 980px) {
    .nav-container {
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 18px 0 !important;
    }

    .main-nav {
        flex-wrap: wrap !important;
        gap: 16px !important;
    }

    .header-right {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 12px !important;
    }

    .site-logo {
        height: 42px !important;
    }
}