/* 
   ===============================
   Ordu Öz Nakliyat - Design System
   ===============================
*/

:root {
    /* Color Palette - Premium Navy & Gold/Orange */
    --color-primary: #1A2942; /* Deep Navy */
    --color-primary-light: #2C3E5D;
    --color-secondary: #F59E0B; /* Vibrant Gold/Orange */
    --color-secondary-hover: #D97706;
    
    /* Neutral Colors */
    --color-bg: #F8FAFC; /* Light Grayish Blue */
    --color-surface: #FFFFFF;
    --color-text: #334155;
    --color-text-light: #64748B;
    --color-white: #FFFFFF;
    --color-footer-bg: #0F172A;

    /* Semantic Colors */
    --color-success: #10B981;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Sizing & Spacing */
    --section-padding: 5rem 0;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base for REM */
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===============================
   Components
   =============================== */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--color-secondary);
    color: var(--color-white);
    box-shadow: 0 4px 14px 0 rgba(245, 158, 11, 0.39);
}

.btn-primary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* ===============================
   Header & Navigation
   =============================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

#header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: height var(--transition-base);
}

#header.scrolled .navbar {
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo .logo-icon {
    color: var(--color-secondary);
    font-size: 1.8rem;
}

.logo .highlight {
    color: var(--color-secondary);
}

.nav-links ul {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-secondary);
    transition: width var(--transition-base);
    border-radius: 2px;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

/* ===============================
   Responsive
   =============================== */
@media (max-width: 992px) {
    .nav-links {
        display: none; /* Mobile menu logic via JS */
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-actions .btn-primary {
        display: none; /* Hide button on mobile header, show in mobile menu */
    }
}

/* ===============================
   Hero Section
   =============================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    color: var(--color-white);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('hero-bg.png');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.6) 50%, rgba(15, 23, 42, 0.3) 100%);
    z-index: -1;
}

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

.hero .badge {
    display: inline-block;
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-secondary);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.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-primary);
}

.trust-indicators {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 1.1rem;
}

.indicator i {
    color: var(--color-secondary);
    font-size: 1.25rem;
}

/* ===============================
   Section Globals
   =============================== */
section {
    padding: var(--section-padding);
}

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

.section-heading {
    margin-bottom: 3rem;
}

.section-heading.text-center {
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-heading .subtitle {
    display: block;
    color: var(--color-secondary);
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.section-heading h2 {
    font-size: 2.5rem;
    font-weight: 800;
}

.heading-desc {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* ===============================
   About Section
   =============================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    border: 25px solid transparent;
    padding: 0;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-primary-light)) border-box;
}

.image-wrapper img {
    border-radius: var(--border-radius-md);
    width: 100%;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    border: 5px solid var(--color-surface);
}

.experience-badge .years {
    font-size: 2.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    line-height: 1;
    color: var(--color-secondary);
}

.experience-badge .text {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
}

.about-content .lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.feature-list {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

.feature-list i {
    color: var(--color-success);
    font-size: 1.25rem;
}

.mt-4 { margin-top: 1.5rem; }

/* ===============================
   Services Section
   =============================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
    z-index: -1;
}

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

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

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(26, 41, 66, 0.05);
    color: var(--color-primary);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

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

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-secondary);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link i {
    transition: transform var(--transition-fast);
}

.service-card:hover .service-link i {
    transform: translateX(5px);
}

/* ===============================
   Features (Neden Biz?) Section
   =============================== */
.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

@media (min-width: 992px) {
    .features-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
    }
}

.feature-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    background-color: var(--color-white);
    padding: 1.5rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-item .icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.feature-item h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.feature-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 70%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-secondary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.5px;
}

/* ===============================
   Contact Section
   =============================== */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    background-color: var(--color-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

@media (min-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-info {
    padding: 3rem;
    color: var(--color-white);
    background-color: var(--color-primary);
    position: relative;
}

.contact-info .section-heading h2 {
    color: var(--color-white);
}

.info-items {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.info-item i {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-item h5 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.info-item p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.25rem;
}

.contact-form-container {
    background-color: var(--color-white);
    padding: 3rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

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

.form-row .form-group {
    margin-bottom: 0;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-primary);
    font-size: 0.95rem;
}

input, select, textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #E2E8F0;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: all var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
    background-color: var(--color-white);
}

textarea {
    resize: vertical;
}

/* ===============================
   Footer
   =============================== */
.footer {
    background-color: var(--color-footer-bg);
    color: var(--color-white);
    padding-top: 5rem;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.brand-col {
    grid-column: span 1;
}

@media (min-width: 992px) {
    .brand-col {
        grid-column: span 2;
    }
}

.footer .logo-icon {
    color: var(--color-secondary);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    max-width: 350px;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-col h4 {
    color: var(--color-white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--color-secondary);
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact-list i {
    color: var(--color-secondary);
    margin-top: 5px;
}

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2);
    padding: 1.5rem 0;
}

.footer-bottom .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin: 0;
}

/* ===============================
   Animations & Utilities
   =============================== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 35px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    color: #FFF;
    transform: scale(1.1);
}

/* Mobile Menu Offcanvas */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 1100;
    padding: 2rem;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.close-menu {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.mobile-nav-links a {
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
}

.mobile-nav-links a.active {
    color: var(--color-secondary);
}

/* ===============================
   Responsive Adjustments for new sections
   =============================== */
@media (max-width: 992px) {
    .nav-links {
        display: none; /* Mobile menu logic via JS */
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-actions .btn-primary {
        display: none; /* Hide button on mobile header, show in mobile menu */
    }
    
    .hero h1 {
        font-size: 3rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .about-image {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .trust-indicators {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-heading h2 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-info, .contact-form-container {
        padding: 2rem;
    }
    
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 30px;
    }
}