/* ==========================================================================
   RINDO İŞ MAKİNASI KİRALAMA - MODERN CSS TASARIM SİSTEMİ
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    /* Colors */
    --color-primary: #FFD700; /* Construction Yellow */
    --color-primary-hover: #E6C200;
    --color-dark: #111111; /* Asphalt/Anthracite */
    --color-darker: #0a0a0a;
    --color-dark-grey: #222222;
    --color-light-grey: #f5f5f5;
    --color-text-body: #666666;
    --color-text-light: #aaa;
    --color-white: #ffffff;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing & Layout */
    --nav-height: 80px;
    --section-padding: 100px 0;
    --border-radius: 8px;
    --border-radius-lg: 16px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    
    /* Shadows */
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.1);
    --shadow-yellow: 0 10px 20px rgba(255, 215, 0, 0.2);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    font-weight: 800;
    line-height: 1.2;
}

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

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: var(--section-padding);
}

.dark-bg {
    background-color: var(--color-dark);
    color: var(--color-text-light);
}

.text-center { text-align: center; }
.text-white { color: var(--color-white) !important; }
.text-light { color: var(--color-text-light) !important; }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: 4px;
    cursor: pointer;
    border: none;
    transition: var(--transition-medium);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-dark);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-yellow);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-dark);
}

/* --- Header / Navbar --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    transition: var(--transition-medium);
    background-color: transparent; /* Changed on scroll in JS */
}

header.scrolled {
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    height: 40px;
    width: auto;
    border-radius: 4px;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-white);
    letter-spacing: 1px;
}

header:not(.scrolled) .logo-text {
    color: var(--color-white);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--color-white);
    font-size: 1rem;
    position: relative;
    padding-bottom: 4px;
}

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

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: white;
    transition: var(--transition-medium);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--color-darker); /* Fallback */
    background-image: url('../assets/images/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.4) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-title {
    font-size: clamp(3rem, 5vw, 4.5rem);
    color: var(--color-white);
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 600px;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Scroll Ind */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    padding-top: 10px;
}

.wheel {
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(15px); opacity: 0; }
}

/* --- Stats Section --- */
.stats-section {
    position: relative;
    margin-top: -60px;
    z-index: 10;
    padding: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.stat-card {
    padding: 40px 20px;
    text-align: center;
    border-right: 1px solid var(--color-light-grey);
}
.stat-card:last-child { border-right: none; }

.stat-number {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 5px;
}

.stat-text {
    font-weight: 500;
    color: var(--color-dark);
}

/* --- Section Shared --- */
.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background-color: rgba(255, 215, 0, 0.1);
    color: var(--color-primary);
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.dark-bg .section-tag {
    background-color: rgba(255, 215, 0, 0.1);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 24px;
}

.section-subtitle {
    font-size: 1.1rem;
    margin-bottom: 60px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- About Section --- */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.about-features {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    font-weight: 500;
    color: var(--color-dark);
}

.feature-icon {
    width: 28px;
    height: 28px;
    background-color: var(--color-primary);
    color: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.about-image-wrapper {
    position: relative;
}

.about-image-placeholder img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/5;
    object-fit: cover;
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    left: -30px;
    background-color: var(--color-primary);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 8px solid var(--color-white);
    color: var(--color-dark);
}

.experience-badge .years {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    line-height: 1;
}

.experience-badge .text {
    font-weight: 600;
    text-align: center;
    line-height: 1.2;
}

/* --- Services Section --- */
.services-section {
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background-color: var(--color-dark-grey);
    padding: 50px 40px;
    border-radius: var(--border-radius-lg);
    transition: var(--transition-medium);
    border: 1px solid rgba(255,255,255,0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    background-color: #2a2a2a;
    border-color: rgba(255, 215, 0, 0.2);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.service-icon-wrapper {
    width: 70px;
    height: 70px;
    background-color: rgba(255, 215, 0, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition-medium);
}

.service-card:hover .service-icon-wrapper {
    background-color: var(--color-primary);
}

.service-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    transition: var(--transition-medium);
}

.service-card:hover .service-icon {
    color: var(--color-dark);
}

.service-title {
    color: var(--color-white);
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.service-desc {
    margin-bottom: 24px;
}

.service-link {
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

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

/* --- CTA Section --- */
.cta-section {
    background-color: var(--color-primary);
    padding: 80px 0;
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--color-dark);
}

.cta-text {
    font-size: 1.2rem;
    color: var(--color-darker);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-darker);
    padding: 80px 0 0 0;
    color: var(--color-text-light);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-desc {
    margin: 24px 0;
    max-width: 300px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.contact-line strong {
    color: var(--color-white);
    margin-right: 8px;
}

.footer h3 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 24px;
}

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

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

.footer-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-form input,
.footer-form select {
    padding: 14px 16px;
    background-color: var(--color-dark-grey);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 4px;
    color: var(--color-white);
    font-family: var(--font-body);
}

.footer-form input:focus,
.footer-form select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.footer-bottom {
    background-color: #050505;
    text-align: center;
    padding: 24px 0;
    font-size: 0.9rem;
}

/* --- Animations & Utilities --- */
.reveal-text, .reveal-fade {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

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

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .about-container, .footer-container {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .about-image-wrapper {
        order: -1;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stat-card {
        border-bottom: 1px solid var(--color-light-grey);
    }
    .stat-card:nth-child(even) { border-right: none; }
}

@media (max-width: 768px) {
    .main-nav { display: none; }
    .mobile-menu-btn { display: flex; }
    
    .hero-title { font-size: 2.5rem; }
    
    .services-grid, .stats-grid { grid-template-columns: 1fr; }
    .stat-card { border-right: none; }
    .stat-card:last-child { border-bottom: none; }
    
    .experience-badge {
        width: 100px;
        height: 100px;
        left: 0;
        bottom: -20px;
    }
    .experience-badge .years { font-size: 1.8rem; }
    .experience-badge .text { font-size: 0.8rem; }
}

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 0px 5px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: bouncePop 2s infinite cubic-bezier(0.280, 0.840, 0.420, 1);
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0px 8px 25px rgba(37, 211, 102, 0.6);
    animation: none;
}

.whatsapp-icon {
    width: 35px;
    height: 35px;
    fill: currentColor;
}

@keyframes bouncePop {
    0% { transform: scale(1); }
    10% { transform: scale(1.08); }
    20% { transform: scale(1); }
    100% { transform: scale(1); }
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }
    .whatsapp-icon {
        width: 28px;
        height: 28px;
    }
}