:root {
    --izmir-blue: #007bff;
    --accent-green: #28a745;
    --navy-blue: #0a1f44;
    --gold: #f1b53b;
    --turkuaz: #1bb5a0;
    --light-bg: #f4f6f8;
    --text-dark: #2c3e50;
    --text-grey: #666;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Roboto', sans-serif;
    background-color: var(--light-bg);
    color: #333;
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: #fff;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.logo a {
    display: inline-block;
}
.logo img {
    max-height: 50px;
    width: auto;
    display: block;
}
nav ul { display: flex; gap: 20px; }
nav a { color: var(--navy-blue); font-weight: 500; transition: color 0.3s; }
nav a:hover, nav a.active { color: var(--izmir-blue); }

.nav-cta { display: flex; gap: 10px; align-items: center; }
.nav-cta .btn-nav-pulse { display: none; }
.nav-cta .btn-call { display: inline-flex; }
@media (min-width: 768px) {
    .nav-cta .btn-nav-pulse { display: inline-flex; }
    .nav-cta .btn-call { display: none; }
}

@media (min-width: 769px) {
    .menu-toggle {
        display: none !important;
    }
    nav ul {
        display: flex !important;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block !important;
        font-size: 1.8rem;
        background: none;
        border: none;
        cursor: pointer;
        color: #0a1f44;
        margin-left: auto;
    }
}

.hero {
    background: linear-gradient(135deg, rgba(10, 31, 68, 0.90), rgba(20, 46, 87, 0.75)),
                url('../images/izmir-beyin-cerrahisi-doc-dr-ozgur-aksan.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 85vh;
    display: flex;
    align-items: center;
    color: #fff;
    text-align: center;
    padding: 100px 0;
}
.hero-content { width: 100%; max-width: 800px; margin: 0 auto; }
.eyebrow {
    display: block;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #8fd3ff;
    margin-bottom: 15px;
    font-weight: 700;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 20px; line-height: 1.2; }
.hero .lead { font-size: 1.1rem; margin-bottom: 40px; opacity: 0.9; }
.cta-buttons { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; margin-bottom: 30px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    padding: 12px 25px; border-radius: 50px; font-weight: 600; font-size: 1rem;
    border: none; cursor: pointer; transition: all 0.3s ease;
}
.btn:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0,0,0,0.2); }
.btn-primary { background: var(--accent-green); color: #fff; }
.btn-outline { background: transparent; border: 2px solid rgba(255,255,255,0.5); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--navy-blue); }
.btn-nav-pulse {
    background: #25d366;
    color: #fff;
    border: none;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    animation: pulse 2s infinite;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-nav-pulse:hover {
    background-color: #1da851;
    color: #fff;
    transform: scale(1.02);
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.7); }
    70% { box-shadow: 0 0 0 10px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.callback-form-box {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.2);
    max-width: 500px;
    margin: 0 auto;
}
.callback-form-box h3 { color: #fff; margin-top: 0; font-size: 1.1rem; }
.callback-form-box form { display: flex; flex-direction: column; gap: 15px; }
.callback-form-box input {
    padding: 12px; border-radius: 8px; border: none; font-size: 1rem;
    background: #fff; color: #333;
}
.callback-form-box button {
    background: var(--izmir-blue); color: #fff; border: none; padding: 12px;
    border-radius: 8px; font-weight: bold; cursor: pointer;
}
.callback-form-box small { color: rgba(255,255,255,0.7); display: block; margin-top: 10px; font-size: 0.8rem; }

.contact-info {
    background: var(--navy-blue);
    padding: 40px 0;
}
.contact-info .container {
    display: flex;
    justify-content: center;
}

.contact-card {
    margin: 20px auto;
    max-width: 520px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 16px;
    padding: 20px;
    text-align: left;
    color: #fff;
    backdrop-filter: blur(6px);
}
.contact-card-section:not(:last-child) {
    border-bottom: 1px solid rgba(255,255,255,0.25);
    margin-bottom: 12px;
    padding-bottom: 12px;
}
.icon-title {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    margin-bottom: 8px;
}
.icon-title .icon {
    font-size: 1.5rem;
}
.contact-address {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
}
.contact-hint {
    margin: 8px 0 0;
    font-size: 0.85rem;
    color: #e0e0e0;
    line-height: 1.4;
}
.contact-hint i {
    width: 18px;
    text-align: center;
    margin-right: 4px;
}
.contact-phone {
    margin: 4px 0;
    font-size: 1.05rem;
    font-weight: 600;
}
.contact-phone a {
    color: #fff;
}

.treatment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
    justify-items: center;
    justify-content: center;
}
.treatment-card {
    background: #fff;
    padding: 30px 20px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid #f0f0f0;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
    width: 100%;
    max-width: 320px;
}
.treatment-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.08);
    border-color: #1bb5a0;
}
.treatment-card .t-icon {
    font-size: 2.5rem;
    color: #1bb5a0;
    margin-bottom: 20px;
    background: #f0fdfa;
    width: 70px;
    height: 70px;
    line-height: 70px;
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    transition: 0.3s;
}
.treatment-card:hover .t-icon {
    background: #1bb5a0;
    color: #fff;
}
.treatment-card h3 {
    color: #0a1f44;
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 700;
}
.treatment-card p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.why-us { padding: 80px 0; background: #f9f9f9; }
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    justify-content: center;
}
.feature-card {
    background: #fff;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: #1bb5a0;
}
.icon-circle {
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    background: #e6fffa;
    margin: 0 auto 25px;
    transition: background 0.3s ease;
}
.icon-circle i {
    font-size: 35px;
    color: #1bb5a0;
}
.feature-card:hover .icon-circle { background: #1bb5a0; }
.feature-card:hover .icon-circle i { color: #fff; }
.feature-card h3 { color: #0a1f44; font-size: 1.3rem; margin-bottom: 15px; font-weight: 700; }
.feature-card p { color: #666; font-size: 1rem; line-height: 1.6; margin: 0; }

.info-section { background-color: var(--light-bg); padding: 60px 0; }
.info-section h2 { text-align: center; color: var(--navy-blue); margin-bottom: 10px; }
.sub-text { text-align: center; color: var(--text-grey); margin-bottom: 40px; }

.symptoms-section {
    background: #fff;
    padding: 80px 0;
}
.symptoms-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.symptoms-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    object-fit: cover;
}
.symptoms-content h3 {
    color: var(--navy-blue);
    margin-bottom: 25px;
    font-size: 1.8rem;
}
.symptom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.symptom-box {
    background: #f9fbfd;
    padding: 20px;
    border-radius: 12px;
    border-left: 5px solid var(--turkuaz);
    transition: transform 0.3s ease;
}
.symptom-box:hover {
    transform: translateY(-5px);
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.symptom-box strong {
    display: block;
    color: var(--navy-blue);
    font-size: 1.1rem;
    margin-bottom: 5px;
}
.symptom-box p {
    margin: 0;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}
.symptom-note {
    margin-top: 20px;
    color: #666;
    font-size: 0.95rem;
}
.symptom-note a {
    color: var(--turkuaz);
    font-weight: 600;
    text-decoration: underline;
}

.treatment-tags {
    background: #f0f2f5;
    padding: 30px 0;
    border-top: 1px solid #ddd;
    text-align: center;
}
.treatment-tags h4 {
    color: #666;
    font-size: 1rem;
    margin-bottom: 15px;
}
.tag-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}
.tag-grid span {
    font-size: 0.85rem;
    color: #777;
    background: #fff;
    padding: 5px 10px;
    border-radius: 4px;
    border: 1px solid #eee;
}

.float-whatsapp {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 25px;
    right: 25px;
    background-color: #25d366;
    color: #fff;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: pulse-green 2s infinite;
}
.float-whatsapp:hover {
    background-color: #1ebc57;
    transform: scale(1.1);
}
.my-float {
    margin-top: 2px;
}
@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37,211,102,0); }
    100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

.locations { background: var(--light-bg); padding: 50px 0; text-align: center; }
.locations h3 { color: var(--navy-blue); margin-bottom: 20px; }
.locations .tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.locations .tags span {
    background: #fff; color: #555; padding: 10px 20px; border-radius: 50px;
    font-size: 0.9rem; border: 1px solid #eee; transition: 0.3s; cursor: default;
}
.locations .tags span:hover { background: var(--turkuaz); color: #fff; transform: translateY(-2px); }

footer {
    background: #222;
    color: #fff;
    padding: 40px 0;
}
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}
.footer-left {
    text-align: left;
}
.footer-logo {
    max-height: 38px;
    width: auto;
    opacity: 0.9;
}
.copyright {
    font-size: 0.85rem;
    color: #bbb;
    margin: 8px 0 0;
    line-height: 1.4;
}
.footer-right {
    text-align: right;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: flex-end;
}
.footer-links {
    font-size: 0.9rem;
}
.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: 0.3s;
}
.footer-links a:hover {
    color: #fff;
    text-decoration: underline;
}
.footer-links .sep {
    margin: 0 10px;
    color: #555;
}
footer .social {
    display: flex;
    gap: 12px;
}
footer .social a {
    color: #fff;
    font-size: 1.2rem;
    opacity: 0.8;
    transition: 0.3s;
}
footer .social a:hover {
    opacity: 1;
    transform: translateY(-2px);
}
.social-btn.instagram { color: #e1306c; }
.social-btn.tiktok { color: #000; }
.social-btn.youtube { color: #ff0000; }

/* FAQ modern */
.faq-section {
    background: #f4f6fb;
    padding: 60px 20px;
    text-align: center;
}
.faq-section h2 {
    color: #0a1f44;
    margin-bottom: 40px;
    font-size: 2rem;
}
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: left;
}
.faq-container details {
    background: #fff;
    padding: 20px 25px;
    margin-bottom: 15px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    border: 1px solid #fff;
    transition: all 0.3s ease;
    cursor: pointer;
}
.faq-container details:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}
.faq-container details[open] {
    border-color: #1bb5a0;
}
.faq-container summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: #0a1f44;
    font-size: 1.05rem;
}
.faq-container summary::-webkit-details-marker {
    display: none;
}
.faq-container .arrow {
    color: #1bb5a0;
    font-size: 1rem;
    transition: transform 0.3s ease;
}
.faq-container details[open] .arrow {
    transform: rotate(180deg);
}
.faq-container p {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid #f0f0f0;
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
    animation: fadeIn 0.4s ease;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    header .container { flex-wrap: wrap; }
    nav ul { display: none; }
    .hero { padding: 80px 0; background-attachment: scroll; text-align: center; }
    .hero h1 { font-size: 2rem; }
    .cta-buttons { flex-direction: column; width: 100%; }
    .cta-buttons .btn { width: 100%; }
    .contact-card { display: none; }
    .float-whatsapp {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
        font-size: 28px;
    }
    .logo img { max-height: 40px; }
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    .footer-left,
    .footer-right {
        text-align: center;
        align-items: center;
    }
    .symptoms-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .symptom-grid {
        grid-template-columns: 1fr;
    }
    .symptoms-image {
        margin-bottom: 0;
    }
}
.service-areas {
    background: #f4f6fb;
    padding: 60px 20px;
    text-align: center;
}
.service-areas h2 {
    color: #0a1f44;
    margin-bottom: 10px;
}
.service-lead {
    color: #666;
    margin: 0 auto 40px;
    max-width: 700px;
}
.area-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.area-box {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: left;
    border-top: 5px solid #1bb5a0;
    transition: transform 0.3s ease;
}
.area-box:hover {
    transform: translateY(-5px);
}
.area-box h3 {
    color: #0a1f44;
    margin-top: 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 15px;
    font-size: 1.2rem;
}
.area-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.area-box li {
    padding: 8px 0;
    color: #555;
    font-size: 0.95rem;
    border-bottom: 1px dashed #f0f0f0;
}
.area-box li:last-child {
    border-bottom: none;
}
.area-box ul a {
    color: #1bb5a0;
    font-weight: 600;
}