/**
 * SRT Bilişim - ThreeUI Design System (Açık Kurumsal Tema)
 * Meng To / ThreeUI estetiğinden ilham alan saf, modern, profesyonel B2B arayüz stili.
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    /* Enerjik Modern Tech Tipografi */
    --font-display: 'Outfit', -apple-system, sans-serif;
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
    --font-mono: 'Space Grotesk', monospace;

    /* Renk Paleti (Açık, Ferah, Kurumsal B2B) */
    --bg-page: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-subtle: #f1f5f9;
    --bg-hover: #e2e8f0;

    --fg-primary: #0f172a;
    --fg-secondary: #334155;
    --fg-muted: #64748b;
    --fg-light: #94a3b8;

    --brand-primary: #2563eb;
    --brand-dark: #1d4ed8;
    --brand-deep: #0f172a;
    --brand-light: #eff6ff;
    --brand-accent: #0284c7;
    --brand-glow: rgba(37, 99, 235, 0.15);

    --border-light: rgba(226, 232, 240, 0.9);
    --border-medium: rgba(203, 213, 225, 0.8);
    --border-focus: rgba(37, 99, 235, 0.4);

    --success: #10b981;
    --warning: #f59e0b;

    /* Gölgeler ve Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    --shadow-card: 0 10px 25px -5px rgba(15, 23, 42, 0.04), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    --shadow-hover: 0 20px 35px -10px rgba(37, 99, 235, 0.09), 0 1px 3px rgba(15, 23, 42, 0.05);

    --glass-bg: rgba(255, 255, 255, 0.78);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-blur: blur(14px);
}

/* Reset & Genel Tipografi */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-page);
    color: var(--fg-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, 
.hero-title, 
.section-title, 
.solution-title, 
.brand-text,
.stat-number {
    font-family: var(--font-display);
    letter-spacing: -0.025em;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Teknik Arka Plan Grid Deseni */
body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-image: 
        radial-gradient(rgba(37, 99, 235, 0.06) 1px, transparent 1px),
        linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
    background-size: 32px 32px, 128px 128px, 128px 128px;
    pointer-events: none;
    z-index: -2;
}

/* Container */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ThreeUI Teknik Köşe İşaretleri */
.tech-box {
    position: relative;
}

.tech-box::before,
.tech-box::after {
    content: "";
    position: absolute;
    width: 6px;
    height: 6px;
    background-color: var(--brand-primary);
    z-index: 10;
    opacity: 0.6;
}

.tech-box::before {
    top: -3px;
    left: -3px;
}

.tech-box::after {
    bottom: -3px;
    right: -3px;
}

/* Mikro Etiketler (Eyebrows) */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--brand-primary);
    background: rgba(37, 99, 235, 0.08);
    border: 1px solid rgba(37, 99, 235, 0.18);
    padding: 6px 14px;
    border-radius: 9999px;
    margin-bottom: 16px;
}

.eyebrow-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: var(--brand-primary);
    box-shadow: 0 0 10px var(--brand-primary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

/* Yüzen Hap Header (Floating Pill Header) */
.site-header.floating-header-wrapper {
    position: sticky;
    top: 18px;
    left: 0;
    width: 100%;
    z-index: 1000;
    pointer-events: none;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.floating-navbar-container {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
}

.floating-navbar {
    pointer-events: auto;
    width: 100%;
    height: 68px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 9999px;
    box-shadow: 0 10px 30px -4px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.03);
    padding: 6px 10px 6px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-navbar:hover {
    box-shadow: 0 16px 36px -4px rgba(37, 99, 235, 0.12), 0 4px 10px rgba(15, 23, 42, 0.04);
    border-color: rgba(37, 99, 235, 0.28);
}

.floating-navbar.is-scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 14px 35px -4px rgba(15, 23, 42, 0.12), 0 6px 12px -2px rgba(15, 23, 42, 0.05);
    border-color: rgba(37, 99, 235, 0.25);
}

/* Dairesel Logo Rozeti */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--fg-primary);
}

.brand-logo-img,
.site-custom-logo {
    height: 48px;
    max-height: 52px;
    max-width: 160px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
    transition: transform 0.2s ease;
}

.brand-logo:hover .brand-logo-img,
.brand-logo:hover .site-custom-logo {
    transform: scale(1.03);
}

.brand-logo-img-mobile,
.site-custom-logo-mobile {
    height: 38px;
    max-height: 42px;
    max-width: 130px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
}

.brand-logo-img-footer,
.site-custom-logo-footer {
    height: 46px;
    max-height: 50px;
    max-width: 170px;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
}

.brand-logo-symbol {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-deep));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.05rem;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.28);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.brand-logo-symbol::after {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(rgba(255,255,255,0.25), transparent);
    transform: rotate(45deg);
}

.brand-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--fg-primary);
    white-space: nowrap;
}

.brand-text span {
    color: var(--brand-primary);
    font-weight: 700;
}

/* Navigasyon Linkleri (Hap Şeklinde) */
.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--fg-secondary);
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 9999px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.nav-links a:hover {
    color: var(--brand-primary);
    background: rgba(37, 99, 235, 0.08);
}

.nav-links a.active {
    color: var(--brand-primary);
    font-weight: 700;
    background: rgba(37, 99, 235, 0.1);
}

/* Aksiyon Alanı & Butonlar */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Oval Hap CTA Butonu (Örnekteki "Apply ->" gibi) */
.btn-pill-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, var(--brand-primary), #1d4ed8);
    color: #ffffff;
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    border-radius: 9999px;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    white-space: nowrap;
}

.btn-pill-cta iconify-icon {
    font-size: 1.15rem;
    transition: transform 0.2s ease;
}

.btn-pill-cta:hover {
    background: linear-gradient(135deg, #1d4ed8, #0f172a);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.45);
    color: #ffffff;
}

.btn-pill-cta:hover iconify-icon {
    transform: translateX(3px);
}

.btn-pill-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--bg-surface);
    color: var(--fg-primary);
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 700;
    border-radius: 9999px;
    text-decoration: none;
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-subtle);
    transition: all 0.2s ease;
}

.btn-pill-secondary:hover {
    background: var(--bg-subtle);
    border-color: var(--brand-primary);
    color: var(--brand-primary);
}

/* Mobil Menü Hamburger Butonu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
    width: 40px;
    height: 40px;
    background: #ffffff;
    border: 1px solid var(--border-medium);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-subtle);
    z-index: 101;
}

.mobile-menu-toggle:hover {
    background: var(--bg-subtle);
    border-color: var(--brand-primary);
}

.mobile-menu-toggle .hamburger-bar {
    width: 18px;
    height: 2px;
    background-color: var(--fg-primary);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: center;
}

.mobile-menu-toggle.active .hamburger-bar:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active .hamburger-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobil Menü Karartma Katmanı */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.mobile-drawer-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Mobil Yüzen Kart Menü (Floating Island) */
.mobile-floating-menu {
    position: fixed;
    top: 80px;
    left: 14px;
    right: 14px;
    max-width: 480px;
    margin: 0 auto;
    max-height: calc(100dvh - 100px);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 28px;
    box-shadow: 0 20px 45px rgba(15, 23, 42, 0.16);
    z-index: 1050;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(-15px) scale(0.96);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.mobile-floating-menu.active {
    transform: translateY(0) scale(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.mobile-floating-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
}

.mobile-drawer-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-subtle);
    border: 1px solid var(--border-medium);
    color: var(--fg-muted);
    font-size: 1.35rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mobile-drawer-close:hover {
    background: #fee2e2;
    color: #ef4444;
    border-color: #fca5a5;
    transform: rotate(90deg);
}

.mobile-drawer-body {
    flex: 1;
    overflow-y: auto;
    padding: 18px 20px;
    display: flex;
    flex-direction: column;
    -webkit-overflow-scrolling: touch;
}

.mobile-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 0;
    padding: 0;
}

.mobile-nav-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 16px;
    border-radius: 9999px;
    text-decoration: none;
    color: var(--fg-secondary);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.95rem;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.mobile-nav-list li a iconify-icon {
    font-size: 1.3rem;
    color: var(--fg-muted);
    transition: color 0.2s ease;
}

.mobile-nav-list li a:hover {
    background: var(--bg-subtle);
    color: var(--brand-primary);
}

.mobile-nav-list li a:hover iconify-icon {
    color: var(--brand-primary);
}

.mobile-nav-list li a.active {
    background: rgba(37, 99, 235, 0.09);
    color: var(--brand-primary);
    border-color: rgba(37, 99, 235, 0.2);
}

.mobile-nav-list li a.active iconify-icon {
    color: var(--brand-primary);
}

.mobile-drawer-actions {
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-drawer-contact {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed var(--border-medium);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mobile-contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--fg-secondary);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 9999px;
    transition: background-color 0.2s ease;
}

.mobile-contact-item:hover {
    background: var(--bg-subtle);
}

.mobile-contact-item iconify-icon {
    font-size: 1.15rem;
}

/* Buton Stilleri */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 22px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: none;
    line-height: 1.3;
}

.btn-primary {
    background: var(--brand-primary);
    color: #ffffff;
    box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2), 0 4px 12px rgba(37, 99, 235, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
    background: var(--brand-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--fg-primary);
    border: 1px solid var(--border-medium);
    box-shadow: var(--shadow-subtle);
}

.btn-secondary:hover {
    background: var(--bg-subtle);
    border-color: var(--fg-light);
    transform: translateY(-1px);
}

.btn-dark {
    background: var(--brand-deep);
    color: #ffffff;
}

.btn-dark:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 14px 28px;
    font-size: 1.05rem;
    border-radius: var(--radius-lg);
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
    min-height: 640px;
    display: flex;
    align-items: center;
}

.hero-canvas-container {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.95;
    mask-image: radial-gradient(circle at 60% 50%, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle at 60% 50%, black 40%, transparent 80%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 680px;
}

.hero-title {
    font-size: clamp(2.4rem, 4.8vw, 3.8rem);
    font-weight: 800;
    line-height: 1.12;
    letter-spacing: -0.03em;
    color: var(--fg-primary);
    margin-bottom: 24px;
}

.hero-title .text-gradient {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--fg-secondary);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
    margin-bottom: 48px;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}

.badge-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--fg-secondary);
}

.badge-item iconify-icon {
    font-size: 1.25rem;
    color: var(--brand-primary);
}

/* Güvenlik & Güven Bandı */
.security-banner {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    padding: 30px 0;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-item {
    position: relative;
    padding: 10px 16px;
}

.stat-item:not(:last-child)::after {
    content: "";
    position: absolute;
    right: -12px;
    top: 20%;
    height: 60%;
    width: 1px;
    background: var(--border-light);
}

.stat-number {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brand-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--fg-muted);
    font-weight: 500;
    margin-top: 4px;
}

/* Bölüm Başlıkları */
.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-title {
    font-size: clamp(2rem, 3.2vw, 2.75rem);
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--fg-primary);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--fg-muted);
    line-height: 1.6;
}

/* Kartlar & Grid Sistemleri */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-focus);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

/* Çözüm & Modül Kartları (Enerjik Modern Tech Tasarım) */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 48px;
}

.solution-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, 0.9);
    border-radius: 20px;
    padding: 34px 28px;
    box-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.05), 0 1px 3px rgba(0, 0, 0, 0.02);
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #2563eb, #38bdf8);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.35);
    box-shadow: 0 22px 45px -12px rgba(37, 99, 235, 0.16), 0 2px 6px rgba(15, 23, 42, 0.04);
}

.solution-card:hover::before {
    opacity: 1;
}

.solution-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.solution-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: 1.85rem;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.1);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.solution-card:hover .solution-icon-wrap {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #ffffff;
    transform: scale(1.08) rotate(-3deg);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.35);
}

.solution-badge {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #2563eb;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.09) 0%, rgba(59, 130, 246, 0.03) 100%);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 6px 14px;
    border-radius: 9999px;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.05);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.solution-card:hover .solution-badge {
    background: rgba(37, 99, 235, 0.12);
    border-color: rgba(37, 99, 235, 0.35);
}

.solution-title {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 800;
    color: #090d16;
    margin-bottom: 12px;
    line-height: 1.25;
    letter-spacing: -0.025em;
    transition: color 0.2s ease;
}

.solution-card:hover .solution-title {
    color: #2563eb;
}

.solution-desc {
    font-size: 0.94rem;
    color: #475569;
    margin-bottom: 22px;
    line-height: 1.65;
    flex-grow: 1;
}

.solution-features {
    list-style: none;
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    border-top: 1px solid rgba(226, 232, 240, 0.85);
    padding-top: 20px;
}

.solution-features li {
    font-size: 0.885rem;
    font-weight: 500;
    color: #1e293b;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.45;
}

.solution-features li iconify-icon {
    color: #2563eb;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    padding: 2px;
    font-size: 1.05rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.solution-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    border-top: 1px solid rgba(226, 232, 240, 0.85);
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--brand-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

.solution-link:hover {
    gap: 10px;
    color: var(--brand-dark);
}

.btn-card-demo {
    background: #0f172a;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 9999px;
    border: 1px solid rgba(15, 23, 42, 0.1);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.12);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-card-demo:hover {
    background: #2563eb;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

/* Özel Çözüm & Terzi Usulü Banner */
.custom-dev-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    border-radius: var(--radius-xl);
    padding: 64px 48px;
    position: relative;
    overflow: hidden;
    margin: 80px 0;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
}

.custom-dev-banner::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 70% 30%, rgba(37, 99, 235, 0.25), transparent 70%);
    pointer-events: none;
}

.custom-dev-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.custom-dev-content h3 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.custom-dev-content p {
    font-size: 1.05rem;
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 32px;
}

.custom-feature-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.feature-pill {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.825rem;
    color: #e2e8f0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.feature-pill iconify-icon {
    color: var(--brand-accent);
}

.custom-terminal-box {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 24px;
    font-family: var(--font-mono);
    font-size: 0.825rem;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
    color: #64748b;
    font-size: 0.75rem;
    margin-left: 6px;
}

.terminal-line {
    color: #38bdf8;
    margin-bottom: 8px;
    line-height: 1.5;
}

.terminal-comment {
    color: #64748b;
}

.terminal-value {
    color: #4ade80;
}

/* Güvenlik & Standartlar Bölümü */
.security-section {
    padding: 90px 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    position: relative;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.security-card {
    background: var(--bg-page);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 28px;
    transition: all 0.2s ease;
}

.security-card:hover {
    border-color: var(--border-focus);
    background: #ffffff;
}

.security-card-icon {
    font-size: 2rem;
    color: var(--brand-primary);
    margin-bottom: 16px;
}

.security-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--fg-primary);
}

.security-card p {
    font-size: 0.9rem;
    color: var(--fg-muted);
    line-height: 1.6;
}

/* Referanslar & Yorumlar */
.testimonials-section {
    padding: 90px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-quote {
    font-size: 0.95rem;
    color: var(--fg-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    border-top: 1px solid var(--border-light);
    padding-top: 18px;
}

.author-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.author-name {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--fg-primary);
}

.author-company {
    font-size: 0.8rem;
    color: var(--fg-muted);
}

/* Lead & Form Bölümü */
.lead-section {
    padding: 90px 0;
    background: linear-gradient(180deg, var(--bg-page) 0%, #eef2f6 100%);
    border-top: 1px solid var(--border-light);
}

.lead-box-container {
    background: #ffffff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    padding: 56px;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.05);
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 56px;
}

.lead-info-col h3 {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.lead-info-col p {
    font-size: 1.05rem;
    color: var(--fg-secondary);
    line-height: 1.6;
    margin-bottom: 32px;
}

.lead-perks {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.lead-perks li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--fg-secondary);
}

.lead-perks li iconify-icon {
    font-size: 1.3rem;
    color: var(--brand-primary);
    background: rgba(37, 99, 235, 0.1);
    padding: 4px;
    border-radius: 50%;
}

/* Form Elemanları */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.form-group.col-span-2 {
    grid-column: span 2;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--fg-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.925rem;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--fg-primary);
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px var(--brand-glow);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

/* WhatsApp Floating Widget */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 10px;
    background: #25d366;
    color: #ffffff;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.35);
    transition: all 0.25s ease;
}

.whatsapp-float:hover {
    background: #20ba59;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45);
}

.whatsapp-float iconify-icon {
    font-size: 1.5rem;
}

/* Footer */
.site-footer {
    background: var(--brand-deep);
    color: #ffffff;
    padding: 80px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.925rem;
    line-height: 1.7;
    margin-top: 16px;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #ffffff;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact-info iconify-icon {
    color: var(--brand-primary);
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
    color: #64748b;
}

/* Toast Bildirim */
.toast-notice {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10000;
    background: #ffffff;
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    padding: 16px 22px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.925rem;
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.toast-notice.show {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.toast-notice.success {
    border-left: 4px solid var(--success);
}

.toast-notice.error {
    border-left: 4px solid #ef4444;
}

/* Responsive Düzen ve Izgara Sınıfları */
.contact-layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 48px;
    align-items: start;
}

.contact-form-card {
    background: #ffffff;
    padding: 48px;
    border-radius: var(--radius-lg);
}

.contact-type-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 28px;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 16px;
    flex-wrap: wrap;
}

.two-col-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.process-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

/* Responsive Düzenlemeler */
@media (max-width: 1024px) {
    .solutions-grid,
    .security-grid,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .custom-dev-grid,
    .lead-box-container {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .hero-canvas-container {
        opacity: 0.35;
        width: 100%;
    }
    .process-steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 900px) {
    .site-header.floating-header-wrapper {
        top: 12px;
        margin-bottom: 16px;
    }
    .floating-navbar-container {
        padding: 0 12px;
    }
    .floating-navbar {
        height: 60px;
        padding: 5px 8px 5px 14px;
    }
    .nav-links {
        display: none !important;
    }
    .mobile-menu-toggle {
        display: inline-flex;
    }
    .nav-actions {
        gap: 8px;
    }
    .btn-pill-cta.nav-btn-demo {
        padding: 8px 14px;
        font-size: 0.84rem;
    }
    .contact-layout-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .two-col-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .case-study-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .contact-form-card {
        padding: 32px 24px;
    }
    .contact-type-tabs {
        display: flex;
        flex-wrap: nowrap;
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 12px;
        margin-bottom: 24px;
        scrollbar-width: none;
    }
    .contact-type-tabs::-webkit-scrollbar {
        display: none;
    }
    .contact-type-tabs .btn {
        flex-shrink: 0;
        white-space: nowrap;
        padding: 8px 14px;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .solutions-grid,
    .security-grid,
    .testimonials-grid,
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.col-span-2 {
        grid-column: span 1;
    }
    .stat-item:not(:last-child)::after {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .hero-section {
        padding: 40px 0 60px;
    }
    .lead-box-container {
        padding: 28px 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    .site-header.floating-header-wrapper {
        top: 10px;
        margin-bottom: 12px;
    }
    .floating-navbar-container {
        padding: 0 8px;
    }
    .floating-navbar {
        height: 54px;
        padding: 4px 6px 4px 10px;
    }
    .brand-logo {
        gap: 8px;
    }
    .brand-logo-img {
        height: 36px;
        max-height: 38px;
        max-width: 110px;
    }
    .brand-logo-symbol {
        width: 34px;
        height: 34px;
        font-size: 0.95rem;
    }
    .brand-text {
        font-size: 1.05rem;
    }
    .btn-pill-cta.nav-btn-demo {
        padding: 6px 12px;
        font-size: 0.78rem;
    }
    .btn-pill-cta.nav-btn-demo iconify-icon {
        display: none;
    }
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
    }
    .mobile-menu-toggle .hamburger-bar {
        width: 16px;
    }
    .mobile-floating-menu {
        top: 70px;
        left: 10px;
        right: 10px;
        border-radius: 24px;
    }
    .process-steps-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .contact-form-card {
        padding: 22px 16px;
        border-radius: 16px;
    }
    .form-control,
    .form-select,
    textarea.form-control {
        font-size: 16px !important;
    }
}

@media (max-width: 360px) {
    .brand-text span {
        display: none;
    }
    .btn-pill-cta.nav-btn-demo {
        padding: 5px 9px;
        font-size: 0.75rem;
    }
}