/* =============================================================
   Balance Online - Dyt. Bensu Yıldız
   Renk: Turkuaz + Mercan + Beyaz
   ============================================================= */

:root {
    --turkuaz: #1ABCBC;
    --turkuaz-koyu: #138888;
    --turkuaz-acik: #E6F9F9;
    --mercan: #FF6B6B;
    --mercan-koyu: #E04848;
    --mercan-acik: #FFE8E8;
    --beyaz: #FFFFFF;
    --krem: #FFF9F5;
    --gri-1: #F8FAFB;
    --gri-2: #EDF1F3;
    --gri-3: #C7CFD4;
    --metin: #1F2D3D;
    --metin-soft: #5A6A78;
    --golge: 0 8px 30px rgba(20, 60, 80, 0.08);
    --golge-koyu: 0 12px 40px rgba(20, 60, 80, 0.18);
    --radius: 16px;
    --radius-sm: 10px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: var(--metin);
    background: var(--beyaz);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--turkuaz-koyu); text-decoration: none; transition: color .2s; }
a:hover { color: var(--mercan); }

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 { font-family: 'Playfair Display', 'Georgia', serif; font-weight: 600; color: var(--metin); line-height: 1.25; }
h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 12px; }
h3 { font-size: 1.3rem; }

p { color: var(--metin-soft); }

.text-center { text-align: center; }
.mb-1 { margin-bottom: 12px; }
.mb-2 { margin-bottom: 24px; }
.mb-3 { margin-bottom: 40px; }
.mb-4 { margin-bottom: 64px; }

/* ----------- BUTONLAR ----------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .25s;
    font-family: inherit;
    text-decoration: none;
}
.btn-primary { background: linear-gradient(135deg, var(--turkuaz), var(--turkuaz-koyu)); color: #fff; box-shadow: 0 6px 20px rgba(26, 188, 188, 0.35); }
.btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(26, 188, 188, 0.45); }
.btn-coral { background: linear-gradient(135deg, var(--mercan), var(--mercan-koyu)); color: #fff; box-shadow: 0 6px 20px rgba(255, 107, 107, 0.35); }
.btn-coral:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 107, 107, 0.45); }
.btn-outline { border-color: var(--turkuaz); color: var(--turkuaz-koyu); background: #fff; }
.btn-outline:hover { background: var(--turkuaz); color: #fff; }
.btn-ghost { background: transparent; color: var(--metin); }
.btn-ghost:hover { background: var(--gri-2); color: var(--metin); }
.btn-block { display: flex; width: 100%; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ----------- NAVBAR ----------- */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 100;
    border-bottom: 1px solid var(--gri-2);
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; }
.navbar-brand {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Playfair Display', serif;
    font-size: 1.35rem; font-weight: 700; color: var(--metin);
}
.navbar-brand .logo-mark {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--turkuaz), var(--mercan));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    font-family: 'Playfair Display', serif;
}
.navbar-brand small { display: block; font-family: 'Inter', sans-serif; font-size: 0.7rem; font-weight: 500; color: var(--metin-soft); letter-spacing: 1.5px; text-transform: uppercase; }
.nav-menu { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-menu a { color: var(--metin); font-weight: 500; font-size: 0.95rem; }
.nav-menu a:hover { color: var(--turkuaz); }
.nav-toggle { display: none; background: none; border: 0; font-size: 1.6rem; color: var(--metin); cursor: pointer; }

/* ----------- HERO ----------- */
.hero {
    position: relative;
    padding: 80px 0 100px;
    background: radial-gradient(ellipse at top left, var(--turkuaz-acik) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, var(--mercan-acik) 0%, transparent 50%),
                var(--beyaz);
    overflow: hidden;
}
.hero .container { display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 60px; }
.hero-eyebrow {
    display: inline-block;
    background: var(--turkuaz-acik);
    color: var(--turkuaz-koyu);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.hero h1 { margin-bottom: 22px; }
.hero h1 .highlight { color: var(--turkuaz); position: relative; }
.hero h1 .highlight::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
    background: var(--mercan-acik); z-index: -1; border-radius: 4px;
}
.hero p.lead { font-size: 1.1rem; color: var(--metin-soft); margin-bottom: 32px; max-width: 540px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-image-wrap {
    position: relative;
    aspect-ratio: 3/4;
    max-width: 460px;
    margin-left: auto;
}
.hero-image-wrap img {
    width: 100%; height: 100%; object-fit: cover;
    border-radius: 30px;
    box-shadow: var(--golge-koyu);
}
.hero-image-wrap::before {
    content: '';
    position: absolute;
    width: 70%; height: 70%;
    background: linear-gradient(135deg, var(--turkuaz), var(--mercan));
    border-radius: 30px;
    top: -20px; right: -20px;
    z-index: -1;
    opacity: .25;
}
.hero-badge {
    position: absolute;
    background: #fff;
    padding: 16px 22px;
    border-radius: 18px;
    box-shadow: var(--golge);
    display: flex; align-items: center; gap: 12px;
}
.hero-badge.b1 { bottom: 30px; left: -30px; }
.hero-badge.b2 { top: 30px; right: -20px; }
.hero-badge.b3 { bottom: 30px; right: -30px; background: linear-gradient(135deg, var(--turkuaz), var(--mercan)); color: #fff; }
.hero-badge.b3 .icon { background: rgba(255,255,255,0.22); color: #fff; }
.hero-badge.b3 .num { color: #fff; font-family: 'Playfair Display', serif; }
.hero-badge.b3 .label { color: rgba(255,255,255,0.92); }
.hero-badge .icon {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--turkuaz-acik); color: var(--turkuaz-koyu);
    display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
}
.hero-badge.b2 .icon { background: var(--mercan-acik); color: var(--mercan); }
.hero-badge .num { font-weight: 700; color: var(--metin); }
.hero-badge .label { font-size: 0.78rem; color: var(--metin-soft); }

/* ----------- BÖLÜMLER ----------- */
section { padding: 80px 0; }
section.alt { background: var(--gri-1); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow {
    display: inline-block;
    color: var(--mercan);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.78rem;
    margin-bottom: 10px;
}

/* ----------- KARTLAR ----------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px 28px;
    box-shadow: var(--golge);
    transition: all .3s;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--turkuaz), var(--mercan));
    transform: scaleX(0); transform-origin: left;
    transition: transform .35s;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--golge-koyu); }
.card:hover::before { transform: scaleX(1); }
.card-icon {
    width: 56px; height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--turkuaz-acik), var(--mercan-acik));
    display: flex; align-items: center; justify-content: center;
    font-size: 1.6rem;
    margin-bottom: 20px;
}
.card h3 { margin-bottom: 12px; font-size: 1.2rem; }
.card p { font-size: 0.95rem; }

/* ----------- HAKKINDA / ABOUT ----------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.about-image-wrap { position: relative; }
.about-image-wrap img { border-radius: 24px; box-shadow: var(--golge-koyu); aspect-ratio: 4/5; object-fit: cover; }
.about-image-wrap::after {
    content: ''; position: absolute; inset: 20px -20px -20px 20px;
    background: linear-gradient(135deg, var(--turkuaz-acik), var(--mercan-acik));
    border-radius: 24px; z-index: -1;
}
.about-content h2 .accent { color: var(--turkuaz); }
.about-content p { margin-bottom: 16px; font-size: 1.02rem; }
.about-stats { display: flex; gap: 28px; margin-top: 28px; flex-wrap: wrap; }
.stat-item { padding: 16px 0; }
.stat-item .num { font-size: 2rem; font-weight: 700; color: var(--turkuaz); font-family: 'Playfair Display', serif; }
.stat-item .label { color: var(--metin-soft); font-size: 0.9rem; }

/* ----------- PAKETLER ----------- */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.pricing-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 30px;
    box-shadow: var(--golge);
    border: 2px solid transparent;
    text-align: center;
    position: relative;
    transition: all .3s;
}
.pricing-card:hover { transform: translateY(-5px); }
.pricing-card.popular { border-color: var(--mercan); transform: scale(1.04); }
.pricing-card.popular:hover { transform: scale(1.04) translateY(-5px); }
.pricing-badge {
    position: absolute;
    top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--mercan);
    color: #fff;
    padding: 6px 18px;
    border-radius: 999px;
    font-size: 0.75rem; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
}
.pricing-name { font-family: 'Playfair Display', serif; font-size: 1.4rem; margin-bottom: 8px; color: var(--metin); }
.pricing-sub { color: var(--metin-soft); font-size: 0.9rem; margin-bottom: 24px; }
.pricing-price { margin-bottom: 24px; }
.pricing-price .old { text-decoration: line-through; color: var(--gri-3); font-size: 1rem; }
.pricing-price .new { font-size: 2.6rem; font-weight: 700; color: var(--turkuaz); font-family: 'Playfair Display', serif; }
.pricing-price .new small { font-size: 1rem; font-weight: 500; color: var(--metin-soft); }
.pricing-features { list-style: none; text-align: left; margin-bottom: 30px; }
.pricing-features li { padding: 8px 0; color: var(--metin-soft); display: flex; gap: 10px; align-items: flex-start; font-size: 0.95rem; }
.pricing-features li::before { content: '✓'; color: var(--turkuaz); font-weight: 700; }

/* ----------- İLETİŞİM ----------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
.contact-info-list { list-style: none; margin-bottom: 28px; }
.contact-info-list li { display: flex; gap: 18px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--gri-2); }
.contact-info-list .icon {
    width: 44px; height: 44px; flex-shrink: 0;
    border-radius: 12px;
    background: var(--turkuaz-acik); color: var(--turkuaz-koyu);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
}
.contact-info-list .label { font-size: 0.85rem; color: var(--metin-soft); }
.contact-info-list .value { font-weight: 500; color: var(--metin); }

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 500; margin-bottom: 6px; color: var(--metin); font-size: 0.92rem; }
.form-control {
    width: 100%;
    padding: 13px 16px;
    border: 1.5px solid var(--gri-2);
    border-radius: var(--radius-sm);
    font-size: 0.97rem;
    font-family: inherit;
    color: var(--metin);
    transition: all .2s;
    background: #fff;
}
.form-control:focus { outline: 0; border-color: var(--turkuaz); box-shadow: 0 0 0 4px var(--turkuaz-acik); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ----------- FLASH ----------- */
.flash {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 0.95rem;
    border-left: 4px solid;
}
.flash-success { background: #E8F8E8; border-color: #2EA85E; color: #1a6a3b; }
.flash-error { background: var(--mercan-acik); border-color: var(--mercan); color: var(--mercan-koyu); }
.flash-info { background: var(--turkuaz-acik); border-color: var(--turkuaz); color: var(--turkuaz-koyu); }

/* ----------- FOOTER ----------- */
.footer {
    background: linear-gradient(135deg, #0E2A33 0%, #143845 100%);
    color: #B7C5CC;
    padding: 70px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 50px; }
.footer h4 { color: #fff; font-family: 'Inter', sans-serif; font-size: 1rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; }
.footer p, .footer a { color: #B7C5CC; font-size: 0.93rem; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a:hover { color: var(--turkuaz); }
.footer .brand-line { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; color: #fff; font-family: 'Playfair Display', serif; font-size: 1.4rem; }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.footer-social a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.07);
    display: flex; align-items: center; justify-content: center;
    color: #fff;
    transition: all .2s;
}
.footer-social a:hover { background: var(--turkuaz); transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; text-align: center; font-size: 0.85rem; color: #7d8d96; }

/* ----------- AUTH (LOGIN/REGISTER) ----------- */
.auth-wrap {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.auth-side {
    background: linear-gradient(135deg, var(--turkuaz), var(--turkuaz-koyu));
    color: #fff;
    padding: 60px;
    display: flex; flex-direction: column; justify-content: space-between;
    position: relative;
    overflow: hidden;
}
.auth-side::before, .auth-side::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.07);
}
.auth-side::before { width: 400px; height: 400px; top: -150px; right: -150px; }
.auth-side::after { width: 300px; height: 300px; bottom: -100px; left: -100px; }
.auth-side .brand-line { color: #fff; font-family: 'Playfair Display', serif; font-size: 1.6rem; }
.auth-side h2 { color: #fff; margin-top: 80px; max-width: 420px; }
.auth-side p { color: rgba(255,255,255,0.85); max-width: 420px; margin-top: 14px; font-size: 1.02rem; }
.auth-side .features { list-style: none; margin-top: 30px; }
.auth-side .features li { padding: 8px 0; display: flex; gap: 12px; align-items: center; }
.auth-side .features li::before { content: '✓'; width: 26px; height: 26px; background: rgba(255,255,255,0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; }
.auth-form {
    padding: 60px;
    display: flex; flex-direction: column; justify-content: center;
    max-width: 540px;
    width: 100%;
    margin: 0 auto;
}
.auth-form h1 { font-size: 2rem; margin-bottom: 8px; }
.auth-form > p { margin-bottom: 30px; color: var(--metin-soft); }
.auth-form .form-foot { text-align: center; margin-top: 22px; color: var(--metin-soft); font-size: 0.95rem; }
.auth-form .form-foot a { color: var(--turkuaz-koyu); font-weight: 600; }

/* ----------- RESPONSIVE ----------- */
/* AI Banner mobile */
@media (max-width: 880px) {
    section .container > div[style*="grid-template-columns:1.4fr 1fr"] {
        grid-template-columns: 1fr !important;
        padding: 30px 24px !important;
    }
}

@media (max-width: 980px) {
    .hero .container { grid-template-columns: 1fr; gap: 40px; }
    .hero { padding: 50px 0 80px; }
    .hero-image-wrap { margin: 0 auto; max-width: 380px; }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image-wrap { max-width: 380px; margin: 0 auto; }
    .pricing { grid-template-columns: 1fr; }
    .pricing-card.popular { transform: none; }
    .pricing-card.popular:hover { transform: translateY(-5px); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .auth-wrap { grid-template-columns: 1fr; }
    .auth-side { display: none; }
    .nav-menu {
        display: none;
        position: absolute; top: 100%; left: 0; right: 0;
        background: #fff; flex-direction: column; gap: 0;
        padding: 12px 0; box-shadow: var(--golge);
        border-bottom: 1px solid var(--gri-2);
    }
    .nav-menu.open { display: flex; }
    .nav-menu li { width: 100%; text-align: center; }
    .nav-menu a { display: block; padding: 14px 18px; }
    .nav-toggle { display: block; }
}
@media (max-width: 640px) {
    .form-grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    section { padding: 60px 0; }
    .hero h1 { font-size: 2rem; }
    .auth-form { padding: 40px 24px; }
    .hero-badge.b1, .hero-badge.b2, .hero-badge.b3 { display: none; }
}