/* Genel Reset ve Temel Stiller */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header ve Navigasyon */
header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 8px 32px rgba(15, 23, 42, 0.3);
    backdrop-filter: blur(10px);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 16px;
    border-radius: 50px;
    background: transparent !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.logo:hover .logo-wrapper {
    transform: scale(1.05) translateY(-2px);
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.15), rgba(29, 78, 216, 0.1));
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 
        0 20px 60px rgba(59, 130, 246, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.truck-svg-icon {
    width: 50px;
    height: 30px;
    position: relative;
    z-index: 2;
}

.truck-svg {
    width: 100%;
    height: 100%;
    animation: truckDrive 4s ease-in-out infinite;
    filter: drop-shadow(0 4px 8px rgba(59, 130, 246, 0.4));
}

.logo-content {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
}

.brand-name {
    font-size: 1.6rem;
    font-weight: 900;
    margin: 0;
    line-height: 1;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 30%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.brand-subtitle {
    font-size: 0.7rem;
    font-weight: 700;
    margin: 0;
    line-height: 1;
    color: #64748b;
    letter-spacing: 2px;
    margin-top: 2px;
    text-transform: uppercase;
}

.speed-indicator {
    display: flex;
    gap: 3px;
    margin-top: 4px;
    align-items: center;
}

.speed-line {
    width: 12px;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    border-radius: 1px;
    animation: speedPulse 2s ease-in-out infinite;
}

.speed-line:nth-child(2) {
    animation-delay: 0.3s;
}

.speed-line:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes truckDrive {
    0%, 100% {
        transform: translateX(0px);
    }
    25% {
        transform: translateX(2px);
    }
    50% {
        transform: translateX(4px);
    }
    75% {
        transform: translateX(2px);
    }
}

@keyframes speedPulse {
    0%, 100% {
        opacity: 0.4;
        transform: scaleX(1);
    }
    50% {
        opacity: 1;
        transform: scaleX(1.2);
    }
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    display: inline-block;
    background: transparent;
    border: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.3);
    border-color: transparent;
}

/* Butonlar */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    transition: left 0.4s ease;
    z-index: -1;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-primary::before {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover::before {
    left: 0;
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.btn-secondary::before {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.btn-secondary:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.btn-secondary:hover::before {
    left: 0;
}

/* Kartlar */
.card {
    background: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 20px 50px rgba(30, 41, 59, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(148, 163, 184, 0.2);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 50%, #6366f1 100%);
    transition: height 0.4s ease;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(30, 41, 59, 0.15);
}

.card:hover::before {
    height: 6px;
}

/* Grid Sistemleri */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    margin: 2.5rem 0;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin: 2.5rem 0;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2.5rem 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1.5rem;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #1e293b 0%, #3b82f6 50%, #1d4ed8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2.8rem;
    color: #1e293b;
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h3 {
    font-size: 2rem;
    color: #334155;
}

p {
    margin-bottom: 1.5rem;
    color: #475569;
    line-height: 1.8;
    font-size: 1.1rem;
}

/* Section Styling */
section {
    padding: 5rem 0;
    position: relative;
}

section:nth-child(even) {
    background: rgba(248, 250, 252, 0.8);
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23e2e8f0" fill-opacity="0.1"><circle cx="30" cy="30" r="2"/></g></g></svg>');
    pointer-events: none;
    z-index: -1;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #cbd5e1;
    text-align: center;
    padding: 3rem 0;
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 50%, #6366f1 100%);
}

footer p {
    color: #94a3b8;
    margin-bottom: 0;
    font-size: 1rem;
}

/* Animasyonlar */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in {
    animation: fadeIn 0.8s ease forwards;
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Scroll Animation */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        flex-direction: column;
        gap: 1rem;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        padding: 1.5rem;
        display: none;
        border-radius: 0 0 20px 20px;
        box-shadow: 0 10px 30px rgba(15, 23, 42, 0.3);
    }

    .nav-links.active {
        display: flex;
    }

    .logo {
        font-size: 1.8rem;
    }

    h1 {
        font-size: 2.8rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .container {
        padding: 0 15px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.95rem;
    }

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

    .card {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2.2rem;
    }

    h2 {
        font-size: 1.9rem;
    }

    .card {
        padding: 1.5rem;
    }

    section {
        padding: 3.5rem 0;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.p-1 { padding: 1rem; }
.p-2 { padding: 2rem; }
.p-3 { padding: 3rem; }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    filter: blur(1px);
}

/* Success/Error States */
.success {
    color: #10b981;
    border-color: #10b981;
}

.error {
    color: #ef4444;
    border-color: #ef4444;
}

.success-bg {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border: 1px solid #10b981;
    color: #065f46;
}

.error-bg {
    background: linear-gradient(135deg, #fef2f2 0%, #fecaca 100%);
    border: 1px solid #ef4444;
    color: #991b1b;
}

/* Modern Glass Effect */
.glass {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

/* Hover Effects */
.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.05);
}

.hover-lift {
    transition: all 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(30, 41, 59, 0.15);
}

/* Scroll to top button styling */
.scroll-to-top {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%) !important;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.scroll-to-top:hover {
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.5) !important;
    transform: translateY(-3px) scale(1.1) !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo-wrapper {
        gap: 12px;
        padding: 6px 12px;
        border-radius: 40px;
    }

    .truck-svg-icon {
        width: 40px;
        height: 24px;
    }

    .brand-name {
        font-size: 1.3rem;
    }

    .brand-subtitle {
        font-size: 0.6rem;
        letter-spacing: 1.5px;
    }

    .speed-line {
        width: 10px;
        height: 2px;
    }

    nav {
        padding: 0 15px;
    }

    .nav-links {
        gap: 1.5rem;
    }

    .nav-links a {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .logo-wrapper {
        gap: 10px;
        padding: 4px 10px;
        border-radius: 30px;
    }

    .truck-svg-icon {
        width: 35px;
        height: 21px;
    }

    .brand-name {
        font-size: 1.1rem;
    }

    .brand-subtitle {
        font-size: 0.55rem;
        letter-spacing: 1px;
    }

    .speed-line {
        width: 8px;
        height: 1px;
    }
}
/* FIRAT Nakliyat Modern Logo Style */

.logo-svg {
    width: 200px;  /* 280px'den 200px'e düşürdüm */
    height: auto;
    display: block;
    flex-shrink: 0;
    z-index: 10;
    background: transparent;
    filter: drop-shadow(0 4px 12px rgba(59, 130, 246, 0.4));
    animation: logoFloat 3s ease-in-out infinite;
}

.logo:hover .logo-svg {
    filter: drop-shadow(0 8px 20px rgba(59, 130, 246, 0.6));
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 8px 16px;  /* Padding'i de biraz küçülttüm */
    border-radius: 50px;
    background: transparent !important;
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: visible;
}

.logo:hover .logo-wrapper {
    transform: scale(1.05) translateY(-2px);
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.1), rgba(29, 78, 216, 0.05));
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 
        0 20px 60px rgba(59, 130, 246, 0.35),
        0 0 0 1px rgba(255, 255, 255, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-4px);
    }
}

/* Responsive Logo Styles */
@media (max-width: 1024px) {
    .logo-svg {
        width: 180px;  /* 260px'den 180px'e düşürdüm */
    }

    .logo-wrapper {
        padding: 6px 14px;
    }
}

@media (max-width: 768px) {
    .logo-svg {
        width: 160px;  /* 220px'den 160px'e düşürdüm */
    }

    .logo-wrapper {
        padding: 5px 12px;
        border-radius: 40px;
    }
}

@media (max-width: 480px) {
    .logo-svg {
        width: 140px;  /* 180px'den 140px'e düşürdüm */
    }

    .logo-wrapper {
        padding: 4px 10px;
        border-radius: 30px;
    }
}