/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --teal: #3da3b3;
    --teal-dark: #2e8593;
    --teal-soft: #eaf6f8;
    --slate: #3e5764;
    --slate-dark: #2a3d49;
    --slate-light: #5a7585;
    --text: #2a3d49;
    --text-light: #6b7d8a;
    --bg: #ffffff;
    --bg-soft: #f5f9fa;
    --border: #e3eaee;
    --shadow-sm: 0 1px 3px rgba(62, 87, 100, 0.06);
    --shadow-md: 0 6px 20px rgba(62, 87, 100, 0.10);
    --shadow-lg: 0 16px 40px rgba(62, 87, 100, 0.16);
    --radius: 6px;
    --container: 1240px;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { font-weight: 800; line-height: 1.15; color: var(--slate-dark); letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); margin-bottom: 16px; }
h3 { font-size: 1.2rem; margin-bottom: 10px; font-weight: 700; }

.eyebrow {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--teal);
    margin-bottom: 14px;
}

section { padding: 96px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { margin-bottom: 14px; }
.section-header p { color: var(--text-light); max-width: 680px; margin: 0 auto; font-size: 1.05rem; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 14px 28px; font-size: 0.95rem; font-weight: 700;
    border-radius: var(--radius); border: 2px solid transparent;
    cursor: pointer; transition: all 0.2s ease;
    font-family: inherit; white-space: nowrap;
}
.btn-brand { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn-brand:hover { background: var(--teal-dark); border-color: var(--teal-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(61, 163, 179, 0.35); }
.btn-outline { background: transparent; color: var(--slate); border-color: var(--border); }
.btn-outline:hover { border-color: var(--slate); background: var(--slate); color: #fff; }
.btn-light { background: #fff; color: var(--slate-dark); border-color: #fff; }
.btn-light:hover { background: var(--slate-dark); color: #fff; border-color: var(--slate-dark); transform: translateY(-2px); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.45); }
.btn-ghost-light:hover { background: #fff; color: var(--slate-dark); }

/* ===== Top Bar ===== */
.topbar { background: var(--slate-dark); color: rgba(255,255,255,0.85); font-size: 0.85rem; padding: 8px 0; }
.topbar-content { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.topbar-left, .topbar-right { display: flex; gap: 24px; align-items: center; }
.topbar a:hover { color: var(--teal); }
.topbar .sep { width: 1px; height: 14px; background: rgba(255,255,255,0.2); }

/* ===== Header ===== */
.header { position: sticky; top: 0; z-index: 100; background: #fff; border-bottom: 1px solid var(--border); transition: box-shadow 0.3s; }
.header.scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 86px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-img { height: 64px; width: auto; display: block; }
.logo-img-footer { height: 64px; width: auto; display: block; background: #fff; padding: 10px 14px; border-radius: 8px; }
/* Eski SVG fallback (sektörler/sayfa logo SVG sprite hala kullanılıyor) */
.logo-svg { width: 56px; height: 56px; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1; }
.logo-text .brand { font-size: 1.5rem; font-weight: 800; color: var(--slate); letter-spacing: -0.02em; font-style: italic; }
.logo-text .sub { font-size: 0.78rem; font-weight: 600; color: var(--teal); letter-spacing: 0.15em; margin-top: 4px; text-transform: uppercase; }

.nav-menu { display: flex; gap: 32px; align-items: center; }
.nav-menu > li > a { font-size: 0.95rem; font-weight: 600; color: var(--slate); padding: 10px 0; position: relative; display: inline-block; transition: color 0.2s; }
.nav-menu > li > a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px; background: var(--teal); transition: width 0.25s; }
.nav-menu > li > a:hover, .nav-menu > li > a.active { color: var(--teal); }
.nav-menu > li > a:hover::after, .nav-menu > li > a.active::after { width: 100%; }

.nav-cta { display: flex; gap: 12px; align-items: center; }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; width: 32px; height: 32px; flex-direction: column; justify-content: center; gap: 5px; }
.menu-toggle span { width: 24px; height: 2px; background: var(--slate); transition: all 0.3s; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== Hero ===== */
.hero { background: linear-gradient(135deg, #2a3d49 0%, #3e5764 55%, #2e8593 100%); color: #fff; position: relative; overflow: hidden; padding: 120px 0 130px; }
.hero::before { content: ''; position: absolute; top: -200px; right: -200px; width: 700px; height: 700px; background: radial-gradient(circle, rgba(61, 163, 179, 0.35) 0%, transparent 65%); border-radius: 50%; }
.hero::after { content: ''; position: absolute; bottom: -150px; left: -150px; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,255,255,0.06) 0%, transparent 60%); border-radius: 50%; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-content .eyebrow { color: #7fd3df; }
.hero-content h1 { color: #fff; margin-bottom: 24px; }
.hero-content h1 strong { background: linear-gradient(90deg, #7fd3df 0%, var(--teal) 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-weight: 800; }
.hero-content p { font-size: 1.18rem; color: rgba(255,255,255,0.85); margin-bottom: 36px; max-width: 580px; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-visual { position: relative; }
.hero-illu { background: rgba(255,255,255,0.06); backdrop-filter: blur(20px); border: 1px solid rgba(255,255,255,0.15); border-radius: 16px; padding: 36px; position: relative; }
.hero-illu h4 { color: #fff; font-size: 1.1rem; margin-bottom: 24px; font-weight: 700; }
.illu-list { display: flex; flex-direction: column; gap: 14px; }
.illu-item { display: flex; align-items: center; gap: 14px; padding: 14px 16px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; transition: all 0.2s; text-decoration: none; }
.illu-item:hover { background: rgba(255,255,255,0.1); border-color: rgba(61, 163, 179, 0.5); transform: translateX(4px); }
.illu-icon { width: 40px; height: 40px; border-radius: 8px; background: rgba(61, 163, 179, 0.18); color: #7fd3df; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.1rem; }
.illu-text { flex: 1; }
.illu-text strong { color: #fff; font-size: 0.95rem; font-weight: 600; display: block; margin-bottom: 2px; }
.illu-text span { color: rgba(255,255,255,0.65); font-size: 0.82rem; }
.illu-arrow { color: rgba(255,255,255,0.4); font-size: 1.2rem; }

/* Inner page hero (smaller) */
.hero-inner { padding: 100px 0 80px; }
.hero-inner h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 16px; }
.hero-inner .breadcrumb { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 16px; }
.hero-inner .breadcrumb a { color: #7fd3df; }
.hero-inner .breadcrumb a:hover { color: #fff; }

/* ===== Solutions ===== */
.solutions { background: var(--bg-soft); }
.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.solution-card { background: #fff; border-radius: 12px; padding: 36px 32px; border: 1px solid var(--border); transition: all 0.3s ease; position: relative; overflow: hidden; display: block; text-decoration: none; color: inherit; }
.solution-card::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--teal); transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease; }
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: transparent; }
.solution-card:hover::before { transform: scaleX(1); }
.solution-icon { width: 56px; height: 56px; border-radius: 12px; background: var(--teal-soft); color: var(--teal); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; font-size: 1.5rem; }
.solution-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.solution-card p { color: var(--text-light); font-size: 0.95rem; margin-bottom: 16px; }
.solution-link { display: inline-flex; align-items: center; gap: 6px; font-size: 0.9rem; font-weight: 700; color: var(--teal); transition: gap 0.2s; }
.solution-link:hover { gap: 10px; }

/* ===== Why Us ===== */
.why-us { background: #fff; }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.why-content h2 { margin-bottom: 24px; }
.why-content > p { color: var(--text-light); margin-bottom: 32px; font-size: 1.05rem; }
.why-list { display: grid; gap: 24px; }
.why-item { display: flex; gap: 18px; align-items: flex-start; }
.why-num { width: 48px; height: 48px; border-radius: 50%; background: var(--teal); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; flex-shrink: 0; }
.why-text h4 { font-size: 1.05rem; margin-bottom: 6px; color: var(--slate-dark); font-weight: 700; }
.why-text p { color: var(--text-light); font-size: 0.95rem; margin: 0; }

.why-visual { position: relative; background: linear-gradient(135deg, var(--slate-dark) 0%, var(--slate) 100%); border-radius: 16px; padding: 48px 40px; color: #fff; overflow: hidden; }
.why-visual::before { content: ''; position: absolute; top: -100px; right: -100px; width: 300px; height: 300px; background: radial-gradient(circle, rgba(61, 163, 179, 0.45) 0%, transparent 60%); border-radius: 50%; }
.why-visual h3 { color: #fff; font-size: 1.4rem; margin-bottom: 24px; position: relative; z-index: 1; }
.why-features { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 18px; }
.why-feature { display: flex; gap: 14px; align-items: flex-start; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.why-feature:last-child { border-bottom: none; padding-bottom: 0; }
.why-feature-icon { width: 36px; height: 36px; border-radius: 8px; background: rgba(61, 163, 179, 0.25); color: #7fd3df; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1rem; font-weight: 700; }
.why-feature h5 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.why-feature p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin: 0; }
.why-feature-highlight { background: rgba(61, 163, 179, 0.12); border: 1px solid rgba(61, 163, 179, 0.3); border-radius: 10px; padding: 18px; margin-bottom: 4px; }
.why-feature-highlight .why-feature-icon { background: var(--teal); color: #fff; }
.why-feature-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 10px; font-size: 0.85rem; font-weight: 700; color: #7fd3df; transition: gap 0.2s, color 0.2s; padding: 6px 12px; background: rgba(255,255,255,0.08); border-radius: 6px; }
.why-feature-link:hover { gap: 10px; color: #fff; background: var(--teal); }

/* ===== Partners ===== */
.partners { background: #fff; padding: 80px 0; }
.partners-header { text-align: center; margin-bottom: 48px; }
.partners-header .eyebrow { color: var(--teal); }
.partners-header h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.partners-header p { color: var(--text-light); max-width: 640px; margin: 0 auto; }
.partners-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 980px; margin: 0 auto; }
.partner-card { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 36px 28px; display: flex; align-items: center; justify-content: center; min-height: 140px; transition: all 0.25s ease; }
.partner-card:hover { border-color: transparent; transform: translateY(-4px); box-shadow: var(--shadow-md); }
.partner-logo { width: 100%; display: flex; align-items: center; justify-content: center; }
.partner-logo img { max-width: 100%; max-height: 70px; width: auto; height: auto; object-fit: contain; transition: transform 0.25s ease; }
/* Türk Telekom logosu PNG'de fazla beyaz boşluk içerdiğinden büyütülmesi lazım */
.partner-logo img[src*="turk-telekom"] { max-height: 130px; transform: scale(1.5); transform-origin: center; }
.partner-card:hover .partner-logo img { transform: scale(1.04); }
.partner-card:hover .partner-logo img[src*="turk-telekom"] { transform: scale(1.55); }

/* ===== Industries ===== */
.industries { background: var(--bg-soft); }
.industries-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.industry-card { background: #fff; padding: 32px 24px; border-radius: 12px; text-align: center; border: 1px solid var(--border); transition: all 0.3s; cursor: pointer; }
.industry-card:hover { background: var(--teal); border-color: var(--teal); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.industry-card:hover .industry-icon, .industry-card:hover h4, .industry-card:hover p { color: #fff; }
.industry-icon { display: flex; justify-content: center; margin-bottom: 16px; color: var(--teal); transition: color 0.2s; }
.industry-card h4 { font-size: 1.05rem; margin-bottom: 6px; color: var(--slate-dark); font-weight: 700; transition: color 0.2s; }
.industry-card p { font-size: 0.85rem; color: var(--text-light); margin: 0; transition: color 0.2s; }

/* ===== Process ===== */
.process { background: #fff; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-grid::before { content: ''; position: absolute; top: 32px; left: 12.5%; right: 12.5%; height: 2px; background: var(--border); z-index: 0; }
.process-step { text-align: center; position: relative; z-index: 1; }
.process-num { width: 64px; height: 64px; margin: 0 auto 20px; border-radius: 50%; background: #fff; border: 2px solid var(--border); color: var(--slate-dark); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.4rem; transition: all 0.3s; }
.process-step:hover .process-num { background: var(--teal); border-color: var(--teal); color: #fff; transform: scale(1.1); }
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; color: var(--slate-dark); font-weight: 700; }
.process-step p { font-size: 0.9rem; color: var(--text-light); max-width: 220px; margin: 0 auto; }

/* ===== CTA Banner ===== */
.cta-banner { background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%); color: #fff; padding: 72px 0; position: relative; overflow: hidden; }
.cta-banner::after { content: ''; position: absolute; top: -150px; right: -100px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, transparent 60%); border-radius: 50%; }
.cta-banner::before { content: ''; position: absolute; bottom: -120px; left: -80px; width: 350px; height: 350px; background: radial-gradient(circle, rgba(42, 61, 73, 0.25) 0%, transparent 60%); border-radius: 50%; }
.cta-content { display: flex; justify-content: space-between; align-items: center; gap: 40px; position: relative; z-index: 1; flex-wrap: wrap; }
.cta-content h2 { color: #fff; margin-bottom: 8px; }
.cta-content p { color: rgba(255,255,255,0.95); font-size: 1.05rem; margin: 0; }

/* ===== Contact ===== */
.contact { background: var(--bg-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; }
.contact-info h2 { margin-bottom: 20px; }
.contact-info > p { color: var(--text-light); margin-bottom: 36px; font-size: 1.02rem; }
.contact-list li { display: flex; gap: 16px; margin-bottom: 18px; align-items: flex-start; padding: 20px; background: #fff; border-radius: 10px; border: 1px solid var(--border); transition: all 0.2s; }
.contact-list li:hover { border-color: var(--teal); transform: translateX(4px); }
.contact-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--teal-soft); color: var(--teal); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 1.2rem; }
.contact-list h4 { font-size: 0.78rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 4px; }
.contact-list p { color: var(--slate-dark); font-weight: 600; margin: 0; font-size: 0.98rem; }

.contact-form { background: #fff; padding: 44px; border-radius: 12px; box-shadow: var(--shadow-md); border: 1px solid var(--border); }
.contact-form h3 { margin-bottom: 8px; font-size: 1.5rem; }
.contact-form > p { color: var(--text-light); margin-bottom: 28px; font-size: 0.95rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: 8px; font-size: 0.95rem; font-family: inherit; color: var(--text); background: #fff; transition: border-color 0.2s, box-shadow 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(61, 163, 179, 0.15); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-message { padding: 14px 18px; border-radius: 8px; margin-bottom: 16px; font-size: 0.9rem; display: none; font-weight: 500; }
.form-message.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; display: block; }
.form-message.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; display: block; }
.form-note { font-size: 0.85rem; color: var(--text-light); margin-top: 14px; }

/* ===== Service Detail Page ===== */
.service-detail { padding: 96px 0; background: #fff; }
.service-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 56px; align-items: start; }
.service-content h2 { margin-top: 40px; margin-bottom: 16px; font-size: 1.8rem; }
.service-content h2:first-child { margin-top: 0; }
.service-content h3 { margin-top: 28px; margin-bottom: 10px; font-size: 1.25rem; color: var(--slate-dark); }
.service-content p { margin-bottom: 16px; color: var(--text); font-size: 1rem; line-height: 1.75; }
.service-content ul { margin: 16px 0; padding-left: 0; }
.service-content ul li { padding: 8px 0 8px 32px; position: relative; color: var(--text); }
.service-content ul li::before { content: ''; position: absolute; left: 0; top: 14px; width: 18px; height: 18px; background: var(--teal-soft); border-radius: 50%; }
.service-content ul li::after { content: ''; position: absolute; left: 5px; top: 19px; width: 8px; height: 4px; border-left: 2px solid var(--teal); border-bottom: 2px solid var(--teal); transform: rotate(-45deg); }

.service-aside { position: sticky; top: 100px; }
.service-cta-card { background: linear-gradient(135deg, var(--slate-dark) 0%, var(--slate) 100%); color: #fff; border-radius: 12px; padding: 32px 28px; margin-bottom: 24px; }
.service-cta-card h3 { color: #fff; margin-bottom: 12px; font-size: 1.2rem; }
.service-cta-card p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 20px; }
.service-cta-card .btn { width: 100%; }

.service-sidebar { background: var(--bg-soft); border: 1px solid var(--border); border-radius: 12px; padding: 24px; }
.service-sidebar h4 { font-size: 1rem; margin-bottom: 16px; color: var(--slate-dark); }
.service-sidebar ul li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.service-sidebar ul li:last-child { border-bottom: none; }
.service-sidebar ul a { color: var(--text); font-weight: 500; font-size: 0.93rem; display: flex; align-items: center; gap: 8px; transition: color 0.2s; }
.service-sidebar ul a:hover { color: var(--teal); }
.service-sidebar ul a.current { color: var(--teal); font-weight: 700; }

.service-features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
.feature-pill { display: flex; gap: 12px; padding: 14px 16px; background: var(--bg-soft); border-radius: 10px; border: 1px solid var(--border); }
.feature-pill .ic { color: var(--teal); flex-shrink: 0; }
.feature-pill strong { color: var(--slate-dark); display: block; margin-bottom: 2px; font-size: 0.95rem; }
.feature-pill span { color: var(--text-light); font-size: 0.85rem; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-soft); padding: 80px 0; }
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.faq-q { padding: 20px 24px; font-weight: 700; color: var(--slate-dark); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.faq-q::after { content: '+'; font-size: 1.5rem; color: var(--teal); transition: transform 0.2s; }
.faq-item[open] .faq-q::after { transform: rotate(45deg); }
.faq-a { padding: 0 24px 24px; color: var(--text-light); line-height: 1.7; }

/* ===== Footer ===== */
.footer { background: var(--slate-dark); color: rgba(255,255,255,0.7); padding: 72px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo-text .brand { color: #fff; }
.footer-brand .logo-text .sub { color: var(--teal); }
.footer-brand p { margin: 18px 0; font-size: 0.95rem; line-height: 1.7; max-width: 320px; }
.footer-brand-name { color: #fff; font-size: 1.6rem; font-weight: 800; font-style: italic; letter-spacing: -0.02em; margin: 0; }
.footer-brand-name span { color: var(--teal); font-style: normal; font-weight: 600; font-size: 0.85rem; letter-spacing: 0.15em; text-transform: uppercase; display: block; margin-top: 4px; }
.footer-slogan { font-style: italic; color: var(--teal) !important; font-size: 1.05rem !important; font-weight: 500; margin: 18px 0 8px !important; border-left: 3px solid var(--teal); padding-left: 12px; }
.footer h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 22px; }
.footer ul li { margin-bottom: 12px; }
.footer ul a { color: rgba(255,255,255,0.65); font-size: 0.92rem; transition: color 0.2s; }
.footer ul a:hover { color: var(--teal); }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a { width: 40px; height: 40px; border-radius: 8px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: #fff; transition: all 0.2s; font-weight: 700; font-size: 0.85rem; }
.footer-social a:hover { background: var(--teal); transform: translateY(-2px); }
.footer-bottom { padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.1); display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; flex-wrap: wrap; gap: 16px; }
.footer-bottom-links { display: flex; gap: 24px; }
.footer-bottom-links a:hover { color: var(--teal); }

/* ===== Icons ===== */
.ic { width: 24px; height: 24px; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; fill: none; flex-shrink: 0; }
.solution-icon .ic { width: 28px; height: 28px; }
.why-feature-icon .ic { width: 18px; height: 18px; stroke-width: 2.5; }
.industry-icon .ic { width: 40px; height: 40px; stroke-width: 1.5; }
.contact-icon .ic { width: 22px; height: 22px; }
.illu-icon .ic { width: 20px; height: 20px; }
.topbar .ic { width: 14px; height: 14px; display: inline-block; vertical-align: -2px; margin-right: 6px; stroke-width: 2; }
.illu-arrow .ic { width: 18px; height: 18px; stroke-width: 2; }
.solution-link .ic { width: 16px; height: 16px; stroke-width: 2.25; }
.btn .ic { width: 16px; height: 16px; stroke-width: 2.25; }
.feature-pill .ic { width: 22px; height: 22px; }
.service-sidebar .ic { width: 14px; height: 14px; stroke-width: 2.25; }

/* ===== Hız Testi — Test seçici landing ===== */
.speedtest-tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto 56px;
}
.speedtest-tool-card {
    background: #fff;
    border-radius: 16px;
    padding: 32px 28px;
    box-shadow: 0 6px 24px rgba(62, 87, 100, 0.08);
    border: 1px solid var(--border);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
    position: relative;
    overflow: hidden;
}
.speedtest-tool-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(62, 87, 100, 0.14);
    border-color: var(--teal);
}
.tool-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--teal);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    padding: 5px 12px;
    border-radius: 20px;
    text-transform: uppercase;
}
.tool-badge-new { background: #f59e0b; }
.tool-badge-simple { background: #8b5cf6; }
.tool-logo {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: #fff;
}
.speedtest-logo { background: linear-gradient(135deg, #00C4FF 0%, #0078D4 100%); }
.cloudflare-logo { background: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%); }
.fast-logo       { background: linear-gradient(135deg, #E50914 0%, #831010 100%); }
.tool-logo .logo-icon { font-style: normal; font-weight: 800; }
.speedtest-tool-card h3 {
    color: var(--slate-dark);
    font-size: 1.3rem;
    margin-bottom: 10px;
}
.speedtest-tool-card p {
    color: var(--text-light);
    font-size: 0.92rem;
    margin-bottom: 18px;
    line-height: 1.6;
}
.tool-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex-grow: 1;
}
.tool-features li {
    color: var(--text);
    font-size: 0.85rem;
    padding: 6px 0 6px 22px;
    position: relative;
    line-height: 1.5;
}
.tool-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--teal);
    font-weight: 800;
}
.tool-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--teal);
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: auto;
    transition: gap 0.2s;
}
.speedtest-tool-card:hover .tool-cta { gap: 12px; }

/* Tavsiyeler */
.speedtest-tips-light {
    max-width: 1100px;
    margin: 0 auto 32px;
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 20px rgba(62, 87, 100, 0.06);
}
.speedtest-tips-light h3 {
    color: var(--slate-dark);
    font-size: 1.15rem;
    margin-bottom: 24px;
    text-align: center;
}
.tips-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.tip-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}
.tip-icon-light {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--teal-soft);
    color: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.tip-icon-light .ic { width: 18px; height: 18px; }
.tip-item h4 {
    color: var(--slate-dark);
    font-size: 0.92rem;
    margin: 0 0 4px;
    font-weight: 700;
}
.tip-item p {
    color: var(--text-light);
    font-size: 0.82rem;
    margin: 0;
    line-height: 1.5;
}

/* Monitoring CTA */
.speedtest-monitor-cta {
    max-width: 1100px;
    margin: 0 auto;
    background: linear-gradient(135deg, var(--slate-dark) 0%, var(--slate) 100%);
    border-radius: 16px;
    padding: 32px 40px;
    color: #fff;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}
.speedtest-monitor-cta h3 {
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 8px;
}
.speedtest-monitor-cta p {
    color: rgba(255,255,255,0.8);
    margin: 0;
    font-size: 0.95rem;
}

@media (max-width: 968px) {
    .speedtest-tools-grid { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr 1fr; }
    .speedtest-monitor-cta { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    .tips-grid { grid-template-columns: 1fr; }
}

/* ===== Eski Hız Testi (Turknet stili) — kullanılmıyor, ileride yeniden açılırsa ===== */
.speedtest-section {
    background: linear-gradient(180deg, #f5f9fa 0%, #eaf3f5 100%);
    padding: 60px 0 80px;
    position: relative;
    overflow: hidden;
}
.speedtest-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 20%, rgba(61, 163, 179, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(61, 163, 179, 0.04) 0%, transparent 40%);
    pointer-events: none;
}
.speedtest-section h1.speedtest-title {
    text-align: center;
    color: var(--slate-dark);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    margin-bottom: 36px;
    font-weight: 800;
    position: relative;
}

.speedtest-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 28px;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    align-items: start;
}

/* SOL: Ana test kartı */
.speedtest-card {
    background: #fff;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(62, 87, 100, 0.08);
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
    overflow: hidden;
}
/* iframe sarmalayıcı */
.speedtest-iframe-wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 10px;
    background: #f5f9fa;
    min-height: 600px;
}
.speedtest-iframe-wrap iframe {
    width: 100%;
    min-height: 600px;
    border: 0;
    display: block;
}
.speedtest-credit {
    text-align: center;
    color: var(--text-light);
    font-size: 0.78rem;
    margin: 14px 0 0;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}
.speedtest-credit a {
    color: var(--teal);
    font-weight: 600;
    text-decoration: none;
}
.speedtest-credit a:hover { text-decoration: underline; }
.speedtest-card-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}
.speedtest-card-header .ic {
    color: var(--teal);
    margin-right: 6px;
}

/* Büyük yuvarlak gauge */
.speedtest-meter {
    position: relative;
    width: 380px;
    height: 380px;
    margin: 0 auto 24px;
}
.speedtest-svg { width: 100%; height: 100%; }
.ticks line { stroke: rgba(62, 87, 100, 0.15); }

.speedtest-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
    width: 70%;
}
.st-state {
    font-size: 0.78rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    margin-bottom: 10px;
    font-weight: 700;
}
.st-value {
    font-size: 5rem;
    font-weight: 200;
    color: var(--slate-dark);
    line-height: 1;
    letter-spacing: -0.04em;
    font-variant-numeric: tabular-nums;
}
.st-unit {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 10px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-weight: 600;
}

/* "BAŞLAT" butonu — Turknet tarzı, ortada büyük yuvarlak */
.speedtest-start {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: transparent;
    color: var(--teal);
    border: 2px solid var(--teal);
    width: 180px;
    height: 180px;
    font-size: 2rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    z-index: 2;
}
.speedtest-start:hover:not(.running) {
    background: var(--teal);
    color: #fff;
    box-shadow: 0 8px 32px rgba(61, 163, 179, 0.3);
    transform: translate(-50%, -50%) scale(1.04);
}
.speedtest-start.running {
    background: transparent;
    color: var(--text-light);
    border-color: var(--border);
    border-width: 1.5px;
    font-size: 0.9rem;
    font-weight: 600;
    width: 90px;
    height: 90px;
    top: auto;
    bottom: -10px;
    transform: translate(-50%, 0);
}
.speedtest-start.running:hover {
    border-color: #c44;
    color: #c44;
}

/* Test çalışırken merkezdeki sayı görünsün */
.speedtest-meter:not(.testing) .speedtest-center { display: none; }

/* ISP / Konum bilgisi (gauge altı) */
.speedtest-isp {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 24px 0 16px;
}
.speedtest-isp .isp-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--teal-soft);
    color: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
}
.speedtest-isp .isp-icon .ic { width: 16px; height: 16px; }
.speedtest-isp .isp-text strong { color: var(--slate-dark); font-weight: 700; }
.speedtest-isp .isp-text span {
    display: block;
    font-size: 0.78rem;
    color: var(--text-light);
    margin-top: 2px;
}

/* Alt küçük ikonlar (server seçim, vb. dekoratif) */
.speedtest-bottom-icons {
    display: flex;
    justify-content: center;
    gap: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}
.speedtest-bottom-icons .icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-soft);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}
.speedtest-bottom-icons .icon-btn:hover {
    background: var(--teal);
    color: #fff;
}
.speedtest-bottom-icons .ic { width: 16px; height: 16px; }

/* Test sonuçları (alt strip — küçük) */
.speedtest-results {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}
.speedtest-results .res-item { text-align: center; }
.speedtest-results .res-label {
    font-size: 0.72rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 4px;
    font-weight: 700;
}
.speedtest-results .res-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--slate-dark);
    font-variant-numeric: tabular-nums;
}
.speedtest-results .res-value small {
    font-size: 0.7rem;
    color: var(--text-light);
    font-weight: 500;
    margin-left: 4px;
}

/* SAĞ: Tavsiye kartları (Turknet tarzı) */
.speedtest-tips-column h3 {
    text-align: center;
    color: var(--teal);
    font-size: 1.05rem;
    margin-bottom: 20px;
    font-weight: 700;
}
.tip-card {
    background: #fff;
    border-radius: 14px;
    padding: 22px 24px;
    margin-bottom: 16px;
    box-shadow: 0 4px 20px rgba(62, 87, 100, 0.06);
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.2s;
}
.tip-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(62, 87, 100, 0.1); }
.tip-card .tip-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    border-radius: 50%;
    background: var(--teal-soft);
    color: var(--teal);
    display: flex;
    align-items: center;
    justify-content: center;
}
.tip-card .tip-icon .ic { width: 24px; height: 24px; }
.tip-card h4 {
    color: var(--slate-dark);
    font-size: 0.98rem;
    margin-bottom: 6px;
    font-weight: 700;
}
.tip-card p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.5;
}

@media (max-width: 968px) {
    .speedtest-grid { grid-template-columns: 1fr; gap: 24px; }
    .speedtest-tips-column h3 { display: none; }
}
@media (max-width: 768px) {
    .speedtest-section { padding: 40px 0; }
    .speedtest-card { padding: 24px 16px; }
    .speedtest-meter { width: 300px; height: 300px; }
    .st-value { font-size: 3.6rem; }
    .speedtest-start { width: 140px; height: 140px; font-size: 1.5rem; }
    .speedtest-results { grid-template-columns: 1fr 1fr; gap: 12px; }
}

/* ===== Animations ===== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:nth-child(4), .footer-grid > div:nth-child(5) { grid-column: span 1; }
    .industries-grid { grid-template-columns: repeat(2, 1fr); }
    .solutions-grid { grid-template-columns: repeat(2, 1fr); }
    .process-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
    .process-grid::before { display: none; }
    .service-grid { grid-template-columns: 1fr; gap: 40px; }
    .service-aside { position: static; }
}
@media (max-width: 968px) {
    .hero-grid, .why-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { max-width: 480px; margin: 0 auto; width: 100%; }
    .topbar-left .sep, .topbar-left a:nth-child(3) { display: none; }
}
@media (max-width: 768px) {
    section { padding: 64px 0; }
    .hero { padding: 80px 0 90px; }
    .hero-inner { padding: 60px 0; }
    .menu-toggle { display: flex; }
    .nav-menu { position: fixed; top: 86px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 24px; gap: 16px; border-bottom: 1px solid var(--border); transform: translateY(-150%); transition: transform 0.3s ease; box-shadow: var(--shadow-md); align-items: stretch; }
    .nav-menu.active { transform: translateY(0); }
    .nav-menu li a { display: block; padding: 8px 0; }
    .nav-cta .btn:not(.btn-brand) { display: none; }
    .topbar { display: none; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .why-visual { padding: 32px 24px; }
    .cta-content { flex-direction: column; text-align: center; }
    .industries-grid, .solutions-grid { grid-template-columns: 1fr; }
    .partners-grid { grid-template-columns: 1fr; max-width: 360px; }
    .contact-form { padding: 28px; }
    .hero-illu { padding: 24px; }
    .logo-svg { width: 44px; height: 44px; }
    .logo-img { height: 40px; }
    .logo-img-footer { height: 50px; }
    .logo-text .brand { font-size: 1.25rem; }
    .logo-text .sub { font-size: 0.7rem; }
    .service-features-grid { grid-template-columns: 1fr; }
}
