/* =========================================
   CSS Variables & Global Reset (Bright Theme)
========================================= */
:root {
    --primary-color: #ffcc00; /* Classic Taxi Yellow */
    --primary-dark: #e6b800;
    --primary-light: #fff2b3;
    --bg-light: #ffffff;
    --bg-gray: #f8f9fa;
    --bg-dark-gray: #ececec;
    --text-dark: #222222;
    --text-primary: #333333;
    --text-secondary: #666666;
    --whatsapp-color: #25D366;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Outfit', sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 15px 30px rgba(0, 0, 0, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

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

/* =========================================
   Typography & Utilities
========================================= */
h1, h2, h3, .logo {
    font-family: var(--font-heading);
    color: var(--text-dark);
}

.section-padding {
    padding: 100px 0;
}

.section-title {
    margin-bottom: 60px;
}

.section-subtitle {
    display: block;
    color: var(--primary-dark);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 10px;
    font-family: var(--font-body);
    font-weight: 700;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.title-separator {
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}
.title-separator.text-center {
    margin: 0 auto;
}
.title-separator-left {
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
    margin: 0 0 20px 0;
}

.section-desc {
    margin-top: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* =========================================
   Buttons
========================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    border: 2px solid transparent;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-dark);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 204, 0, 0.4);
}

.btn-secondary {
    background: #ffffff;
    border-color: var(--whatsapp-color);
    color: var(--whatsapp-color);
}

.btn-secondary:hover {
    background: var(--whatsapp-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp {
    background: var(--whatsapp-color);
    color: #ffffff;
}

.btn-whatsapp:hover {
    background: #1ebe57;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(37, 211, 102, 0.4);
}

/* =========================================
   Header & Navigation
========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

/* Specific to hero overlap, header needs white text initially */
.header .logo, .header .nav-link {
    color: #ffffff;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.header.scrolled .logo, .header.scrolled .nav-link {
    color: var(--text-dark);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 1.8rem;
    font-weight: 700;
}

.logo-vip {
    color: var(--primary-color);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5); /* Helps on white or dark */
}
.header.scrolled .logo-vip {
    text-shadow: none;
}

.logo-text {
    font-family: var(--font-body);
    font-weight: 800;
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    font-size: 1rem;
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

/* =========================================
   Hero Section
========================================= */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background-image: url('assets/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: scroll; /* typically better for performance */
    text-align: center;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.6));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    color: #ffffff;
}

.hero .subtitle {
    color: var(--primary-color);
    font-size: 1.2rem;
    letter-spacing: 4px;
    margin-bottom: 20px;
    text-transform: uppercase;
    font-family: var(--font-body);
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.hero .title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 25px;
    text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
    color: #ffffff;
}

.hero .description {
    font-size: 1.2rem;
    color: #f0f0f0;
    margin-bottom: 40px;
    font-weight: 400;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* =========================================
   Hakkımızda Section
========================================= */
.about {
    background-color: var(--bg-light);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

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

.about-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.about-list {
    margin-top: 25px;
}

.about-list li {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.about-list i {
    color: var(--primary-dark);
    font-size: 1.2rem;
    background: var(--primary-light);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* =========================================
   Services Section 
========================================= */
.services {
    background-color: var(--bg-gray);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--bg-light);
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 15px;
    padding: 35px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--primary-dark);
    margin-bottom: 25px;
    display: inline-block;
    transition: transform 0.4s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* =========================================
   Service Areas Section
========================================= */
.areas {
    background-color: var(--bg-light);
}

.districts-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-top: 40px;
}

.district-badge {
    padding: 12px 25px;
    background: var(--bg-gray);
    border: 1px solid var(--bg-dark-gray);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: var(--transition);
    cursor: default;
    box-shadow: var(--shadow-sm);
}

.district-badge:hover {
    background: var(--primary-color);
    border-color: var(--primary-dark);
    color: var(--text-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.areas-footer {
    margin-top: 40px;
    font-size: 1.3rem;
    color: var(--text-dark);
}

/* =========================================
   Yorumlar (Testimonials) Section
========================================= */
.testimonials {
    background-color: var(--bg-gray);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-light);
    border-radius: 15px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: left;
    position: relative;
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.stars {
    color: #FFB800; /* Gold/Yellow for stars */
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    gap: 3px;
}

.review-text {
    font-size: 1.05rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 25px;
    line-height: 1.8;
}

.customer-info {
    border-top: 1px solid var(--bg-dark-gray);
    padding-top: 15px;
    display: flex;
    flex-direction: column;
}

.customer-info strong {
    color: var(--text-dark);
    font-size: 1.1rem;
}

.customer-info span {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* =========================================
   İletişim CTA Section
========================================= */
.contact-cta {
    background-color: var(--bg-gray); /* Slight contrast from white */
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* Decorative background glow elements */
.contact-cta::before {
    content: '';
    position: absolute;
    top: 10%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 204, 0, 0.15) 0%, transparent 60%);
    border-radius: 50%;
}

.contact-cta::after {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(37, 211, 102, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.contact-box {
    background: #ffffff;
    border: none;
    border-radius: 30px;
    padding: 70px 50px;
    max-width: 900px;
    margin: 0 auto;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
    z-index: 2;
}

/* Decorative Taxi Stripe Pattern */
.contact-box::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 12px;
    background: repeating-linear-gradient(
      45deg,
      var(--text-dark),
      var(--text-dark) 15px,
      var(--primary-color) 15px,
      var(--primary-color) 30px
    );
}

.contact-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 204, 0, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    pointer-events: none;
    z-index: -1;
}

.contact-icon-bg {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    text-shadow: 0 10px 20px rgba(255, 204, 0, 0.3);
}

.contact-title {
    font-size: 2.8rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 800;
}

.contact-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn-main {
    padding: 18px 35px;
    font-size: 1.2rem;
    border-radius: 50px;
}

/* =========================================
   Footer
========================================= */
.footer {
    background: #111111;
    color: #ffffff;
    padding: 60px 0 30px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: var(--font-heading);
    color: #ffffff;
}

/* In footer, we make logo-vip yellow again to pop against black */
.footer .logo-vip {
    text-shadow: none;
}

.copyright {
    color: #aaaaaa;
    margin-bottom: 30px;
    font-size: 0.95rem;
}

.footer-signature {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
}

.footer-signature a {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.8;
}

.footer-signature a:hover {
    opacity: 1;
}

.sig-img {
    height: 25px;
    width: auto;
    /* Needs filter invert if image is dark */
    filter: brightness(0) invert(1); 
}

.sig-text {
    font-size: 0.85rem;
    color: #ffffff;
}

/* =========================================
   Floating Contact Buttons
========================================= */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.float-btn {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    position: relative;
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.phone-btn {
    background: var(--primary-color);
    color: var(--text-dark);
    animation: pulse-yellow 2s infinite;
}

.whatsapp-btn {
    background: var(--whatsapp-color);
    animation: pulse-green 2s infinite;
}

.float-btn:hover {
    transform: scale(1.1);
    animation: none;
}

.tooltip {
    position: absolute;
    right: 75px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    pointer-events: none;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
    white-space: nowrap;
}

.float-btn:hover .tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Pulse Animations */
@keyframes pulse-yellow {
    0% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(255, 204, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0); }
}

@keyframes pulse-green {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* =========================================
   Reveal Animations (JS triggered)
========================================= */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

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

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   Responsive Design
========================================= */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .hero .title {
        font-size: 3.5rem;
    }
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: #ffffff;
        display: flex;
        flex-direction: column;
        justify-content: center;
        transition: right 0.4s ease;
        box-shadow: -5px 0 20px rgba(0,0,0,0.1);
        padding: 40px;
    }

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

    .nav-list {
        flex-direction: column;
        gap: 25px;
        align-items: flex-start;
    }
    
    /* On mobile menu, links should always be dark */
    .header .nav-link {
        color: var(--text-dark);
        font-size: 1.2rem;
    }

    .hero .title {
        font-size: 2.5rem;
    }

    .hero .subtitle {
        font-size: 1rem;
    }

    .hero-actions, .contact-actions {
        flex-direction: column;
    }
    
    div.contact-box {
        padding: 40px 20px;
    }
    
    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }
    
    .float-btn {
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
    
    .tooltip {
        display: none;
    }
}