/**
 * author Ferdi Giden
 * web http://www.ferdigiden.com.tr
 * mail ferdigiden@icloud.com
 */

/*
 * ═══════════════════════════════════════════════════════════
 * FERDISOFT / FERDIGIDEN.COM.TR — Ana Tasarım Sistemi
 * Modern, Glassmorphism, Dark Theme, Yerçekimsiz Efektler
 * ═══════════════════════════════════════════════════════════
 */

/* ─── Google Fonts ─────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ─── CSS Değişkenleri (Design Tokens) ─────────────── */
:root {
    /* Renk paleti */
    --bg-primary:       #050810;
    --bg-secondary:     #0a0e1b;
    --bg-tertiary:      #0f1429;
    --bg-card:          rgba(15, 20, 42, 0.6);

    --text-primary:     #e8eaf6;
    --text-secondary:   #8b92b3;
    --text-muted:       #4a5180;

    --accent-cyan:      #00f2ff;
    --accent-purple:    #8b5cf6;
    --accent-blue:      #3b82f6;
    --accent-pink:      #ec4899;
    --accent-green:     #10b981;
    --accent-orange:    #f59e0b;
    --accent-red:       #ef4444;

    /* Glassmorphism */
    --glass-bg:         rgba(15, 20, 45, 0.45);
    --glass-border:     rgba(0, 242, 255, 0.08);
    --glass-blur:       20px;
    --glass-shadow:     0 8px 32px rgba(0, 0, 0, 0.4);

    --nav-bg:           rgba(10, 14, 27, 0.5);
    --nav-scrolled:     rgba(5, 8, 16, 0.85);

    /* Gradient'ler */
    --gradient-hero:    linear-gradient(135deg, #050810 0%, #0d0a2e 50%, #0a0e1b 100%);
    --gradient-accent:  linear-gradient(135deg, #00f2ff 0%, #8b5cf6 100%);
    --gradient-button:  linear-gradient(135deg, #00f2ff 0%, #3b82f6 50%, #8b5cf6 100%);
    --gradient-card:    linear-gradient(145deg, rgba(15, 20, 45, 0.7) 0%, rgba(10, 14, 27, 0.9) 100%);

    /* Tipografi */
    --font-primary:     'Outfit', 'Inter', sans-serif;
    --font-heading:     'Outfit', sans-serif;
    --font-mono:        'JetBrains Mono', monospace;

    /* Boyutlar */
    --radius-sm:        8px;
    --radius-md:        12px;
    --radius-lg:        16px;
    --radius-xl:        24px;
    --radius-full:      9999px;

    /* Geçişler */
    --transition-fast:  0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow:  0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-float: 3s ease-in-out;
}

/* ─── Light Mode Token Overrides ─────────────── */
body.light-mode {
    --bg-primary:       #f9fafb;
    --bg-secondary:     #ffffff;
    --bg-tertiary:      #f3f4f6;
    --bg-card:          rgba(255, 255, 255, 0.8);

    --text-primary:     #111827;
    --text-secondary:   #4b5563;
    --text-muted:       #9ca3af;

    --glass-bg:         rgba(255, 255, 255, 0.65);
    --glass-border:     rgba(0, 0, 0, 0.05);
    --glass-shadow:     0 8px 32px rgba(0, 0, 0, 0.05);

    --nav-bg:           rgba(255, 255, 255, 0.65);
    --nav-scrolled:     rgba(255, 255, 255, 0.9);

    --gradient-hero:    linear-gradient(135deg, #f9fafb 0%, #e2e8f0 50%, #f1f5f9 100%);
    --gradient-card:    linear-gradient(145deg, rgba(255, 255, 255, 0.9) 0%, rgba(248, 250, 252, 0.95) 100%);
}

/* ─── Global Reset ve Temel ───────────────────────── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-cyan) var(--bg-secondary);
}

body {
    font-family: var(--font-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-transition: background-color var(--transition-base), color var(--transition-base); -ms-transition: background-color var(--transition-base), color var(--transition-base); transition: background-color var(--transition-base), color var(--transition-base);
}

/* Özel scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--accent-cyan), var(--accent-purple));
    border-radius: var(--radius-full);
}

/* ─── Tipografi ───────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.3rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    color: var(--text-secondary);
    line-height: 1.8;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    -webkit-transition: color var(--transition-fast); -ms-transition: color var(--transition-fast); transition: color var(--transition-fast);
}
a:hover { color: var(--accent-purple); }

/* ─── Layout Yardımcıları ─────────────────────────── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    margin-bottom: 16px;
}

.section-header .accent-line {
    width: 60px;
    height: 3px;
    background: var(--gradient-accent);
    margin: 0 auto 20px;
    border-radius: var(--radius-full);
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ─── Glassmorphism Tabanlı Kart ─────────────────── */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: transform var(--transition-base),
                box-shadow var(--transition-base),
                border-color var(--transition-base);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(0, 242, 255, 0.3),
        transparent
    );
}

.glass-card:hover {
    -webkit-transform: translateY(-8px); -ms-transform: translateY(-8px); transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 242, 255, 0.1),
                0 8px 32px rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 242, 255, 0.15);
}

/* ─── Navbar (Glassmorphism) ─────────────────────── */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    -webkit-transition: all var(--transition-base); -ms-transition: all var(--transition-base); transition: all var(--transition-base);
}

.navbar-inner {
    max-width: 1280px;
    margin: 16px auto;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
    padding: 12px 28px;
    background: var(--nav-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(0, 242, 255, 0.06);
    border-radius: var(--radius-xl);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled .navbar-inner {
    background: var(--nav-scrolled);
    border-color: rgba(0, 242, 255, 0.12);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
    margin: 8px auto;
}

.navbar-brand {
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--text-primary);
}

.navbar-brand .logo-icon {
    width: 36px;
    height: 36px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
    font-size: 1.1rem;
    animation: float-slow 4s ease-in-out infinite;
}

.navbar-menu {
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    gap: 8px;
    list-style: none;
}

.navbar-menu a {
    display: block;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: var(--radius-md);
    -webkit-transition: all var(--transition-fast); -ms-transition: all var(--transition-fast); transition: all var(--transition-fast);
    position: relative;
}

.navbar-menu a:hover,
.navbar-menu a.active {
    color: var(--accent-cyan);
    background: rgba(0, 242, 255, 0.06);
}

/* Hamburger menü (mobil) */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: transparent;
    border: none;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    -webkit-transition: all var(--transition-fast); -ms-transition: all var(--transition-fast); transition: all var(--transition-fast);
}

/* ─── Hero Bölümü ─────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
    text-align: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 24px;
}

.hero-badge {
    display: inline-flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(0, 242, 255, 0.06);
    border: 1px solid rgba(0, 242, 255, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-cyan);
    margin-bottom: 24px;
    animation: float-slow 3s ease-in-out infinite;
}

.hero h1 {
    margin-bottom: 20px;
    font-weight: 900;
    letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 36px;
}

.hero-buttons {
    display: -webkit-box; display: -ms-flexbox; display: flex;
    gap: 16px;
    -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
    flex-wrap: wrap;
}

/* 3D Geometrik arkaplan objeleri */
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.geo-shape {
    position: absolute;
    border: 1px solid;
    opacity: 0.08;
    animation-timing-function: ease-in-out;
    animation-iteration-count: infinite;
}

.geo-shape.cube {
    width: 120px;
    height: 120px;
    border-color: var(--accent-cyan);
    border-radius: var(--radius-md);
    top: 15%;
    left: 10%;
    animation: geo-float1 12s infinite, geo-rotate 20s linear infinite;
}

.geo-shape.triangle {
    width: 0;
    height: 0;
    border: none;
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(139, 92, 246, 0.08);
    top: 20%;
    right: 15%;
    opacity: 1;
    animation: geo-float2 15s infinite;
}

.geo-shape.circle {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border-color: var(--accent-purple);
    bottom: 20%;
    left: 8%;
    animation: geo-float3 18s infinite;
}

.geo-shape.diamond {
    width: 80px;
    height: 80px;
    border-color: var(--accent-cyan);
    bottom: 25%;
    right: 12%;
    -webkit-transform: rotate(45deg); -ms-transform: rotate(45deg); transform: rotate(45deg);
    animation: geo-float1 14s infinite;
}

.geo-shape.ring {
    width: 160px;
    height: 160px;
    border-width: 2px;
    border-radius: 50%;
    border-color: rgba(0, 242, 255, 0.05);
    top: 50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%); -ms-transform: translate(-50%, -50%); transform: translate(-50%, -50%);
    animation: geo-pulse 8s infinite;
}

.geo-shape.dots {
    width: 3px;
    height: 3px;
    border: none;
    background: var(--accent-cyan);
    border-radius: 50%;
    box-shadow:
        30px 20px 0 rgba(0, 242, 255, 0.06),
        60px -10px 0 rgba(0, 242, 255, 0.04),
        90px 30px 0 rgba(0, 242, 255, 0.08),
        120px 5px 0 rgba(0, 242, 255, 0.05),
        150px 25px 0 rgba(0, 242, 255, 0.06);
    top: 40%;
    right: 20%;
    opacity: 1;
    animation: geo-float2 10s infinite;
}

/* ─── Butonlar ────────────────────────────────────── */
.btn {
    display: inline-flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    -webkit-transition: all var(--transition-base); -ms-transition: all var(--transition-base); transition: all var(--transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-button);
    color: #050810;
    box-shadow: 0 4px 20px rgba(0, 242, 255, 0.25);
}

.btn-primary:hover {
    -webkit-transform: translateY(-2px); -ms-transform: translateY(-2px); transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 242, 255, 0.35);
    color: #050810;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(0, 242, 255, 0.2);
}

.btn-outline:hover {
    background: rgba(0, 242, 255, 0.06);
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
}

.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }

/* ─── Ürün Kartları ───────────────────────────────── */
.product-card {
    background: var(--gradient-card);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    -webkit-transition: all var(--transition-base); -ms-transition: all var(--transition-base); transition: all var(--transition-base);
    animation: float-card 6s ease-in-out infinite;
    position: relative;
}

.product-card:nth-child(2) { animation-delay: -1s; }
.product-card:nth-child(3) { animation-delay: -2s; }
.product-card:nth-child(4) { animation-delay: -3s; }

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent, rgba(0, 242, 255, 0.4), transparent);
    opacity: 0;
    -webkit-transition: opacity var(--transition-base); -ms-transition: opacity var(--transition-base); transition: opacity var(--transition-base);
}

.product-card:hover {
    -webkit-transform: translateY(-12px) scale(1.01); -ms-transform: translateY(-12px) scale(1.01); transform: translateY(-12px) scale(1.01);
    box-shadow: 0 30px 80px rgba(0, 242, 255, 0.08),
                0 10px 40px rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 242, 255, 0.2);
}

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

.product-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    -webkit-transition: transform var(--transition-slow); -ms-transition: transform var(--transition-slow); transition: transform var(--transition-slow);
}

.product-card:hover .product-image img {
    -webkit-transform: scale(1.08); -ms-transform: scale(1.08); transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    background: rgba(0, 242, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 242, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    color: var(--accent-cyan);
    font-weight: 600;
}

.product-body {
    padding: 20px;
}

.product-category {
    font-size: 0.78rem;
    color: var(--accent-purple);
    font-weight: 600;
    text--webkit-transform: uppercase; -ms-transform: uppercase; transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.product-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.product-footer {
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    -webkit-box-pack: justify; -ms-flex-pack: justify; justify-content: space-between;
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.product-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--accent-cyan);
    font-family: var(--font-heading);
}

.product-price .old-price {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: line-through;
    font-weight: 400;
    margin-right: 6px;
}

/* ─── İstatistik Kartları ─────────────────────────── */
.stat-card {
    text-align: center;
    padding: 36px 24px;
}

.stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    border-radius: var(--radius-md);
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
    font-size: 1.4rem;
    animation: float-slow 4s ease-in-out infinite;
}

.stat-icon.cyan  { background: rgba(0, 242, 255, 0.1); color: var(--accent-cyan); }
.stat-icon.purple { background: rgba(139, 92, 246, 0.1); color: var(--accent-purple); }
.stat-icon.green  { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.stat-icon.pink   { background: rgba(236, 72, 153, 0.1); color: var(--accent-pink); }

.stat-number {
    font-size: 2.2rem;
    font-weight: 900;
    font-family: var(--font-heading);
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ─── Bayilik Katman Kartları ─────────────────────── */
.tier-card {
    padding: 36px 28px;
    text-align: center;
    position: relative;
}

.tier-card.featured {
    border-color: rgba(0, 242, 255, 0.2);
    background: linear-gradient(145deg, rgba(0, 242, 255, 0.05), rgba(139, 92, 246, 0.05));
}

.tier-card.featured::after {
    content: 'Popüler';
    position: absolute;
    top: -1px;
    left: 50%;
    -webkit-transform: translateX(-50%); -ms-transform: translateX(-50%); transform: translateX(-50%);
    padding: 4px 16px;
    background: var(--gradient-accent);
    color: #050810;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.tier-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--accent-cyan);
}

.tier-price {
    font-size: 2.5rem;
    font-weight: 900;
    font-family: var(--font-heading);
    color: var(--text-primary);
    margin: 16px 0;
}

.tier-price span {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.tier-features {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.tier-features li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    gap: 10px;
}

.tier-features li::before {
    content: '✦';
    color: var(--accent-cyan);
    font-size: 0.7rem;
}

/* ─── Hosting Fiyat Tablosu ───────────────────────── */
.hosting-card {
    padding: 32px 24px;
    text-align: center;
}

.hosting-card .hosting-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.hosting-card .hosting-price {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-cyan);
    margin: 16px 0;
}

.hosting-card .hosting-price small {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.hosting-specs {
    list-style: none;
    margin: 20px 0;
    text-align: left;
}

.hosting-specs li {
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 0.88rem;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.hosting-specs li i {
    color: var(--accent-green);
    width: 18px;
    text-align: center;
}

/* ─── Footer ──────────────────────────────────────── */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(0, 242, 255, 0.05);
    padding: 60px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 0.88rem;
}

.footer h4 {
    font-size: 0.95rem;
    margin-bottom: 16px;
    color: var(--accent-cyan);
    font-weight: 700;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 8px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.88rem;
    -webkit-transition: color var(--transition-fast); -ms-transition: color var(--transition-fast); transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-cyan);
    padding-left: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-size: 0.82rem;
}

/* ─── Yüzen İletişim Butonu (FAB) ─────────────────── */
.fab-contact {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 900;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-button);
    color: #050810;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    display: -webkit-box; display: -ms-flexbox; display: flex;
    -webkit-box-align: center; -ms-flex-align: center; align-items: center;
    -webkit-box-pack: center; -ms-flex-pack: center; justify-content: center;
    box-shadow: 0 8px 30px rgba(0, 242, 255, 0.3);
    -webkit-transition: all var(--transition-base); -ms-transition: all var(--transition-base); transition: all var(--transition-base);
    animation: float-slow 3s ease-in-out infinite;
}

.fab-contact:hover {
    -webkit-transform: translateY(-4px) scale(1.05); -ms-transform: translateY(-4px) scale(1.05); transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 242, 255, 0.45);
}

/* ─── Form Elemanları ─────────────────────────────── */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05); /* Biraz daha belirgin arka plan */
    border: 1px solid rgba(0, 242, 255, 0.2); /* Cyan tonlarında daha belirgin kenarlık */
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    -webkit-transition: all var(--transition-fast); -ms-transition: all var(--transition-fast); transition: all var(--transition-fast);
    outline: none;
    appearance: none;
}

/* Select için özel stiller */
select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2300f2ff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 18px;
    padding-right: 45px;
}

select.form-control option {
    background-color: #050810; /* Sayfa ana arka planı ile aynı, tam koyu */
    color: #e8eaf6;
    padding: 15px;
}

.form-control:focus {
    border-color: var(--accent-cyan);
    box-shadow: 0 0 20px rgba(0, 242, 255, 0.15); /* Daha güçlü odak efekti */
    background: rgba(0, 242, 255, 0.04);
}

.form-control::placeholder {
    color: var(--text-muted);
}

/* ─── Alert / Bildirim ────────────────────────────── */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    margin-bottom: 20px;
    border: 1px solid;
}

.alert-success {
    background: rgba(16, 185, 129, 0.08);
    border-color: rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
}

.alert-danger {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
}

.alert-info {
    background: rgba(0, 242, 255, 0.06);
    border-color: rgba(0, 242, 255, 0.15);
    color: var(--accent-cyan);
}

/* ─── Mobil Menü Paneli ───────────────────────────── */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: rgba(5, 8, 16, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-left: 1px solid var(--glass-border);
    z-index: 1100;
    padding: 80px 24px 24px;
    -webkit-transition: right var(--transition-base); -ms-transition: right var(--transition-base); transition: right var(--transition-base);
}

.mobile-menu.active { right: 0; }

.mobile-menu a {
    display: block;
    padding: 14px 0;
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.mobile-menu a:hover { color: var(--accent-cyan); }

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    -webkit-transition: all var(--transition-base); -ms-transition: all var(--transition-base); transition: all var(--transition-base);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ─── Paralaks ile Ortaya Çıkma ───────────────────── */
.reveal {
    opacity: 0;
    -webkit-transform: translateY(40px); -ms-transform: translateY(40px); transform: translateY(40px);
    -webkit-transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); -ms-transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0);
}

/* ─── Animasyonlar ────────────────────────────────── */
@keyframes float-slow {
    0%, 100% { -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0); }
    50% { -webkit-transform: translateY(-10px); -ms-transform: translateY(-10px); transform: translateY(-10px); }
}

@keyframes float-card {
    0%, 100% { -webkit-transform: translateY(0); -ms-transform: translateY(0); transform: translateY(0); }
    50% { -webkit-transform: translateY(-6px); -ms-transform: translateY(-6px); transform: translateY(-6px); }
}

@keyframes geo-float1 {
    0%, 100% { -webkit-transform: translateY(0) rotate(0deg); -ms-transform: translateY(0) rotate(0deg); transform: translateY(0) rotate(0deg); }
    33% { -webkit-transform: translateY(-30px) rotate(5deg); -ms-transform: translateY(-30px) rotate(5deg); transform: translateY(-30px) rotate(5deg); }
    66% { -webkit-transform: translateY(15px) rotate(-3deg); -ms-transform: translateY(15px) rotate(-3deg); transform: translateY(15px) rotate(-3deg); }
}

@keyframes geo-float2 {
    0%, 100% { -webkit-transform: translateY(0) translateX(0); -ms-transform: translateY(0) translateX(0); transform: translateY(0) translateX(0); }
    50% { -webkit-transform: translateY(-25px) translateX(15px); -ms-transform: translateY(-25px) translateX(15px); transform: translateY(-25px) translateX(15px); }
}

@keyframes geo-float3 {
    0%, 100% { -webkit-transform: translateY(0) scale(1); -ms-transform: translateY(0) scale(1); transform: translateY(0) scale(1); }
    50% { -webkit-transform: translateY(-20px) scale(1.05); -ms-transform: translateY(-20px) scale(1.05); transform: translateY(-20px) scale(1.05); }
}

@keyframes geo-rotate {
    from { -webkit-transform: rotate(0deg); -ms-transform: rotate(0deg); transform: rotate(0deg); }
    to { -webkit-transform: rotate(360deg); -ms-transform: rotate(360deg); transform: rotate(360deg); }
}

@keyframes geo-pulse {
    0%, 100% { -webkit-transform: translate(-50%, -50%) scale(1); -ms-transform: translate(-50%, -50%) scale(1); transform: translate(-50%, -50%) scale(1); opacity: 0.05; }
    50% { -webkit-transform: translate(-50%, -50%) scale(1.2); -ms-transform: translate(-50%, -50%) scale(1.2); transform: translate(-50%, -50%) scale(1.2); opacity: 0.12; }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes shimmer {
    0% { -webkit-transform: translateX(-100%); -ms-transform: translateX(-100%); transform: translateX(-100%); }
    100% { -webkit-transform: translateX(100%); -ms-transform: translateX(100%); transform: translateX(100%); }
}

/* ─── Responsive ──────────────────────────────────── */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .navbar-menu { display: none; }
    .navbar-toggle { display: -webkit-box; display: -ms-flexbox; display: flex; }

    .hero h1 { font-size: 2rem; }
    .hero p { font-size: 1rem; }
    .hero-buttons { flex-direction: column; -webkit-box-align: center; -ms-flex-align: center; align-items: center; }

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    .section { padding: 60px 0; }

    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    .fab-contact { bottom: 20px; right: 20px; width: 48px; height: 48px; font-size: 1.1rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .navbar-inner { padding: 10px 18px; margin: 8px 16px; }
    .hero h1 { font-size: 1.7rem; }
    .product-body { padding: 16px; }
    .product-footer { padding: 12px 16px; }
}