/* 
  Logen Lojistik - Premium CSS
  Design System & Variables
*/
:root {
    /* Colors */
    --clr-bg-main: #F8FAFC;
    --clr-bg-sec: #FFFFFF;
    --clr-bg-card: #FFFFFF;
    --clr-primary: #008C99;
    --clr-primary-glow: rgba(0, 140, 153, 0.2);
    --clr-accent: #002B49;
    --clr-text-main: #0F172A;
    --clr-text-muted: #475569;
    --clr-white: #FFFFFF;
    
    /* Gradients */
    --grad-primary: linear-gradient(135deg, #008C99 0%, #00b4d8 100%);
    --grad-glass: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(255,255,255,0.6) 100%);
    
    /* Typography */
    --font-main: 'Outfit', sans-serif;
    
    /* Spacing */
    --sp-sm: 0.5rem;
    --sp-md: 1rem;
    --sp-lg: 2rem;
    --sp-xl: 4rem;
    --sp-xxl: 8rem;
    
    /* Transition */
    --tr-fast: 0.2s ease;
    --tr-med: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --tr-slow: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background-color: var(--clr-bg-main);
    color: var(--clr-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.section {
    padding: var(--sp-xxl) 0;
}

.bg-darker {
    background-color: var(--clr-bg-sec);
}

.highlight {
    color: var(--clr-primary);
}

/* Typography Classes */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 600;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--sp-lg);
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--clr-text-muted);
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto var(--sp-xl);
}

.lead {
    font-size: 1.25rem;
    color: var(--clr-text-main);
    margin-bottom: var(--sp-md);
    font-weight: 300;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: var(--tr-med);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--grad-primary);
    color: var(--clr-white);
    box-shadow: 0 10px 20px -10px var(--clr-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px -10px var(--clr-primary-glow);
}

.btn-secondary {
    background: rgba(0,0,0,0.03);
    color: var(--clr-text-main);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0,0,0,0.1);
}

.btn-secondary:hover {
    background: rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: var(--tr-med);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: inline-flex;
    align-items: center;
    background: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--tr-fast);
}

.logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.logo-img {
    height: 55px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 1.75rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--clr-text-main);
    transition: var(--tr-fast);
    position: relative;
}

.nav-link:not(.btn-contact)::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-primary);
    transition: var(--tr-med);
}

.nav-link:not(.btn-contact):hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--clr-white);
}

.btn-contact {
    background: rgba(0,0,0,0.04);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    border: 1px solid rgba(0,0,0,0.1);
}

.btn-contact:hover {
    background: var(--clr-primary);
    color: var(--clr-white);
    border-color: var(--clr-primary);
}

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
    background-color: var(--clr-text-main);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/images/TWBSE7X78fH83dns.jpg');
    background-size: cover;
    background-position: center;
    z-index: -2;
    transform: scale(1.05); /* For parallax/entrance animation */
    animation: slowZoom 20s infinite alternate linear;
}

@keyframes slowZoom {
    0% { transform: scale(1.05); }
    100% { transform: scale(1.15); }
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0.5) 0%, rgba(255, 255, 255, 0.95) 100%);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 1100px;
    z-index: 1;
    color: var(--clr-text-main);
}

.hero h1 {
    font-size: clamp(1.5rem, 4vw, 3.5rem);
    margin-bottom: var(--sp-lg);
    letter-spacing: -1px;
    color: var(--clr-accent);
}

.hero h1 .brand-name {
    display: block;
    font-size: clamp(1.3rem, 3vw, 2.8rem);
    margin-top: 0.5rem;
    font-weight: 500;
}

.hero p {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--clr-text-muted);
    max-width: 700px;
    margin: 0 auto var(--sp-xl);
}

.hero-btns {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 1;
    color: var(--clr-accent);
    text-decoration: none;
    animation: bounce 2s infinite;
    transition: var(--tr-fast);
    z-index: 10;
}

.scroll-indicator p {
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 1px;
    margin: 0;
}

.scroll-indicator svg {
    /* No shadow needed for light mode */
}

.scroll-indicator:hover {
    opacity: 1;
    color: var(--clr-primary);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) translateX(-50%); }
    40% { transform: translateY(-10px) translateX(-50%); }
    60% { transform: translateY(-5px) translateX(-50%); }
}

/* Firma Section */
.firma-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-xl);
    align-items: center;
}

.firma-text p {
    color: var(--clr-text-muted);
    margin-bottom: var(--sp-md);
}

.stats-container {
    display: flex;
    gap: var(--sp-lg);
    margin-top: var(--sp-lg);
    padding-top: var(--sp-lg);
    border-top: 1px solid rgba(0,0,0,0.1);
}

.stat-number {
    font-size: 2.5rem;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--clr-text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.firma-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.glass-card {
    background: var(--grad-glass);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.03);
    width: 100%;
}

.main-card {
    /* Main card generic styles if needed */
}

.secondary-card {
    /* Secondary card generic styles if needed */
}

.card-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(0, 140, 153, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.glass-card p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
}

/* Hizmetler Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--clr-bg-main);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--tr-med);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 140, 153, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.service-img {
    height: 240px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.service-img::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--clr-bg-main), transparent);
}

.service-content {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--clr-bg-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-primary);
    position: absolute;
    top: -25px;
    right: 2rem;
    border: 1px solid rgba(0,0,0,0.1);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1rem;
}


.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-primary);
    font-weight: 500;
    margin-top: auto;
    transition: var(--tr-fast);
}

.service-link:hover {
    gap: 1rem;
}

/* İletişim Section */
.iletisim-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--sp-xl);
    align-items: stretch;
}

.info-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    position: relative !important;
    height: 100%;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.info-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(0, 140, 153, 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-item h4 {
    font-size: 1.2rem;
    margin-bottom: 0.25rem;
    color: var(--clr-text-main);
}

.info-item p {
    color: var(--clr-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.contact-form {
    position: relative !important;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    color: var(--clr-text-main);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--tr-fast);
}

.form-control::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.form-control:focus {
    outline: none;
    border-color: var(--clr-primary);
    background: rgba(0, 0, 0, 0.05);
    box-shadow: 0 0 0 4px rgba(0, 140, 153, 0.1);
}

textarea.form-control {
    resize: vertical;
}

.w-100 {
    width: 100%;
}

/* Footer */
.footer {
    background: #05070A;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(0,0,0,0.05);
    color: #FFFFFF;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.footer h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer ul a {
    color: rgba(255,255,255,0.6);
    transition: var(--tr-fast);
    font-size: 0.95rem;
}

.footer ul a:hover {
    color: var(--clr-primary);
    padding-left: 5px;
}

.footer-contact p {
    color: rgba(255,255,255,0.6);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.footer-contact svg {
    color: var(--clr-primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

/* Animations */
.reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.active.reveal-up,
.active.reveal-left,
.active.reveal-right {
    opacity: 1;
    transform: translate(0);
}

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }

/* Language Switcher */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    margin-left: 1rem;
}

.lang-switch a {
    color: var(--clr-text-muted);
    text-decoration: none;
    transition: var(--tr-fast);
}

.lang-switch a:hover {
    color: var(--clr-white);
}

.lang-switch a.active {
    color: var(--clr-primary);
}

.lang-switch .divider {
    color: rgba(255, 255, 255, 0.2);
}

/* Responsive Design */
@media (max-width: 992px) {
    .firma-grid, .iletisim-grid {
        grid-template-columns: 1fr;
    }
    
    .firma-visual {
        margin-top: 2rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 0;
        gap: 0;
        flex-direction: column;
        background: rgba(11, 14, 20, 0.98);
        backdrop-filter: blur(10px);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.3s;
        justify-content: center;
        padding-bottom: 2rem;
    }

    .nav-links.active {
        left: 0;
    }

    .lang-switch {
        margin: 1.5rem auto 0;
        justify-content: center;
        font-size: 1.2rem;
    }

    .nav-item {
        margin: 1.5rem 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-btns {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-contact p {
        justify-content: center;
    }
}

.mt-auto { margin-top: auto; }