/* --- Değişkenler --- */
:root {
    --color-blue: #00B4D8;      /* Thermal Blue */
    --color-blue-light: #90E0EF;
    --color-white: #ffffff;
    --color-bg: #F8FDFF;        /* Very Light Blue */
    --color-text: #555555;
    --color-grey: #f0f0f0;
    --font-heading: 'Quicksand', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --shadow: 0 10px 30px rgba(0, 180, 216, 0.1);
    --radius: 20px;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
}

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }
img { max-width: 100%; display: block; border-radius: var(--radius); }

/* --- Header --- */
.glass-header {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.5);
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
}

.container { width: 90%; max-width: 1100px; margin: 0 auto; }
.header-flex { display: flex; justify-content: space-between; align-items: center; }

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-text);
    display: flex; align-items: center; gap: 5px;
}
.blue-text { color: var(--color-blue); }
.drop-icon { font-size: 1.5rem; }

.nav-menu ul { display: flex; gap: 25px; align-items: center; }
.nav-menu a { font-weight: 500; font-size: 1rem; color: #666; }
.nav-menu a:hover, .nav-menu a.active { color: var(--color-blue); }

.btn-bubble {
    background: linear-gradient(135deg, var(--color-blue-light), var(--color-blue));
    color: var(--color-white) !important;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.3);
}
.btn-bubble:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0, 180, 216, 0.4); }

.mobile-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.bar { width: 25px; height: 3px; background-color: var(--color-text); border-radius: 3px; }

/* --- Mobile Menu --- */
.mobile-overlay {
    position: fixed; top: 0; right: -100%; width: 280px; height: 100%;
    background-color: var(--color-white); z-index: 2000;
    display: flex; flex-direction: column; padding: 40px; gap: 20px;
    transition: 0.4s ease; box-shadow: -5px 0 20px rgba(0,0,0,0.05);
}
.mobile-overlay.active { right: 0; }
.close-menu { align-self: flex-end; font-size: 1.5rem; background: none; border: none; cursor: pointer; color: var(--color-text); }
.mobile-overlay a { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 600; border-bottom: 1px solid #f0f0f0; padding-bottom: 10px; color: var(--color-blue); }

/* --- Hero --- */
.hero { position: relative; height: 650px; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; margin-bottom: 60px; }
.hero-bg {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center; z-index: -2;
}
.hero-content { z-index: 1; max-width: 800px; color: var(--color-white); padding: 20px; background: rgba(0, 180, 216, 0.2); border-radius: 30px; backdrop-filter: blur(3px); }
.tag { background: var(--color-white); color: var(--color-blue); padding: 5px 15px; border-radius: 20px; font-size: 0.8rem; font-weight: bold; display: inline-block; margin-bottom: 15px; letter-spacing: 1px; }
.hero h1 { font-family: var(--font-heading); font-size: 4rem; line-height: 1.1; margin-bottom: 15px; }
.white-text { color: #fff; }
.hero p { font-size: 1.2rem; margin-bottom: 30px; }

.hero-buttons { display: flex; gap: 15px; justify-content: center; flex-wrap: wrap; }
.btn { padding: 12px 30px; border-radius: 50px; font-weight: bold; cursor: pointer; transition: 0.3s; border: none; font-family: var(--font-heading); }
.btn-white { background: var(--color-white); color: var(--color-blue); }
.btn-white:hover { background: #f0f0f0; }
.btn-transparent { border: 2px solid var(--color-white); background: transparent; color: var(--color-white); }
.btn-transparent:hover { background: var(--color-white); color: var(--color-blue); }

.wave-bottom { position: absolute; bottom: -1px; left: 0; width: 100%; overflow: hidden; line-height: 0; }
.wave-bottom svg { display: block; width: calc(100% + 1.3px); height: 80px; fill: var(--color-bg); }

/* --- Grid --- */
.section-padding { padding: 60px 0; }
.title-wrap, .page-header { text-align: center; margin-bottom: 50px; }
.title-wrap h2, .page-header h1 { font-family: var(--font-heading); font-size: 2.5rem; color: var(--color-blue); margin-bottom: 10px; }
.title-wrap p, .page-header p { color: #888; font-size: 1.1rem; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.feature-card { background: var(--color-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: 0.3s; border: 1px solid #eef; }
.feature-card:hover { transform: translateY(-10px); }
.card-img { height: 220px; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
.feature-card:hover img { transform: scale(1.05); }
.card-content { padding: 25px; text-align: center; }
.card-content h3 { font-family: var(--font-heading); color: #333; margin-bottom: 10px; font-size: 1.4rem; }
.card-content p { font-size: 0.95rem; color: #666; margin-bottom: 20px; }
.link-blue { color: var(--color-blue); font-weight: bold; font-size: 0.9rem; text-decoration: underline; }

/* --- Health Banner --- */
.health-banner { margin-top: 60px; padding: 60px 0; background-color: var(--color-white); border-radius: 30px; box-shadow: var(--shadow); width: 95%; margin: 60px auto; }
.banner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.banner-text h2 { font-family: var(--font-heading); color: var(--color-blue); font-size: 2.2rem; margin-bottom: 20px; }
.benefits { list-style: none; margin-top: 20px; }
.benefits li { margin-bottom: 10px; font-size: 1.1rem; color: #555; }
.banner-visual { display: flex; justify-content: center; }
.circle-image { width: 300px; height: 300px; border-radius: 50%; background: url('https://images.pexels.com/photos/6667367/pexels-photo-6667367.jpeg?auto=compress&cs=tinysrgb&w=800') center/cover; box-shadow: 0 20px 50px rgba(0, 180, 216, 0.2); border: 10px solid #f0f8ff; }

/* --- Content Pages --- */
.content-flow { max-width: 800px; margin: 0 auto; }
.text-block h2 { font-family: var(--font-heading); color: var(--color-blue); margin-bottom: 20px; }
.text-block p { margin-bottom: 20px; font-size: 1.05rem; }
.gallery-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 40px 0; }
.bg-soft { background-color: #F0F8FF; padding: 30px; border-radius: var(--radius); border-left: 5px solid var(--color-blue); }

/* --- Reviews --- */
.review-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.review-card { background: var(--color-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); position: relative; }
.water-bg { height: 100px; background: linear-gradient(135deg, var(--color-blue-light), var(--color-blue)); opacity: 0.2; position: absolute; top: 0; width: 100%; z-index: 0; border-radius: 0 0 50% 50%; }
.card-body { position: relative; z-index: 1; padding: 30px; text-align: center; margin-top: 20px; }
.stars { color: #FFD700; margin-bottom: 10px; }
.review-card h3 { font-family: var(--font-heading); font-size: 1.2rem; margin-bottom: 10px; }
.review-card p { font-style: italic; color: #666; margin-bottom: 20px; font-size: 0.95rem; }
.author { font-weight: bold; color: var(--color-blue); font-family: var(--font-heading); }

/* --- Contact & Forms --- */
.contact-box { display: grid; grid-template-columns: 1fr 1.5fr; gap: 50px; background: var(--color-white); padding: 50px; border-radius: 30px; box-shadow: var(--shadow); }
.info-side h3 { font-family: var(--font-heading); color: var(--color-blue); margin-bottom: 20px; }
.c-item { display: flex; align-items: center; gap: 15px; margin-bottom: 15px; color: #555; }
.c-item span { font-size: 1.5rem; }
.note { font-size: 0.85rem; color: #888; margin-top: 20px; font-style: italic; }

.soft-form .form-group { margin-bottom: 20px; }
.soft-form label { display: block; margin-bottom: 5px; font-weight: 500; font-size: 0.9rem; }
.soft-form input, .soft-form select, .soft-form textarea { width: 100%; padding: 12px; border: 1px solid #e0e0e0; border-radius: 10px; font-family: var(--font-body); background: #fdfdfd; transition: 0.3s; }
.soft-form input:focus, .soft-form select:focus, .soft-form textarea:focus { border-color: var(--color-blue); outline: none; box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.1); }
.btn-blue { background-color: var(--color-blue); color: var(--color-white); width: 100%; padding: 15px; border: none; border-radius: 10px; font-weight: bold; cursor: pointer; transition: 0.3s; }
.btn-blue:hover { background-color: #0099b8; }
.full-width { width: 100%; }

/* --- Legal --- */
.guide-content { max-width: 800px; margin: 0 auto; background: var(--color-white); padding: 60px; border-radius: var(--radius); box-shadow: var(--shadow); }
.guide-content h1 { font-family: var(--font-heading); color: var(--color-blue); }
.divider { height: 1px; background: #e0e0e0; margin: 30px 0; }
.guide-content h3 { color: #333; margin-top: 30px; margin-bottom: 10px; font-family: var(--font-heading); }

/* --- Footer --- */
.soft-footer { background-color: var(--color-white); padding: 50px 0; margin-top: auto; border-top: 1px solid #f0f0f0; text-align: center; }
.footer-logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-text); margin-bottom: 20px; }
.footer-links { margin-bottom: 20px; }
.footer-links a { margin: 0 10px; color: #777; font-size: 0.9rem; }
.footer-links a:hover { color: var(--color-blue); }
.copyright { color: #aaa; font-size: 0.85rem; }

@media (max-width: 992px) {
    .nav-menu { display: none; }
    .mobile-toggle { display: flex; }
    .hero h1 { font-size: 3rem; }
    .banner-grid, .contact-box { grid-template-columns: 1fr; }
    .circle-image { width: 200px; height: 200px; }
}