/**
 * HB Group - Alanya Klima Servisi
 * Mobile-First CSS Framework
 * Renk Paleti: Lacivert (#003873) + Turuncu (#FF6B35)
 */

/* ===== CSS VARIABLES ===== */
:root {
    /* Renkler */
    --primary-blue: #003873;
    --primary-blue-dark: #001F54;
    --primary-orange: #FF6B35;
    --primary-orange-hover: #FF8C42;
    --white: #FFFFFF;
    --light-gray: #F8F9FA;
    --gray: #6C757D;
    --dark-gray: #343A40;
    --success: #28A745;
    
    /* Tipografi */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-large: 18px;
    --font-size-small: 14px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    
    /* Shadow */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15);
    
    /* CTA Bar Height */
    --cta-bar-height: 70px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    padding-bottom: var(--cta-bar-height);
    overflow-x: hidden;
    cursor: default;
    user-select: text;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    cursor: pointer;
}

a:active {
    opacity: 0.8;
}

ul, ol {
    list-style: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-blue-dark);
}

h1 {
    font-size: 2rem; /* 32px */
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 1.75rem; /* 28px */
}

h3 {
    font-size: 1.5rem; /* 24px */
}

h4 {
    font-size: 1.25rem; /* 20px */
}

p {
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

/* ===== CONTAINER & GRID ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-sm {
    padding: var(--spacing-lg) 0;
}

.grid {
    display: grid;
    gap: var(--spacing-md);
}

.grid > * {
    min-width: 0;
    overflow-wrap: break-word;
    word-wrap: break-word;
    word-break: break-word;
}

.grid-2 {
    grid-template-columns: 1fr;
}

.grid-3 {
    grid-template-columns: 1fr;
}

.grid-4 {
    grid-template-columns: 1fr;
}

/* ===== HEADER ===== */
.header {
    background: var(--primary-blue);
    color: var(--white);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-orange);
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.header-phone:hover {
    background: var(--primary-orange-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== NAVIGATION ===== */
.nav {
    background: var(--primary-blue-dark);
    padding: var(--spacing-xs) 0;
}

.nav-menu {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.nav-menu a {
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--primary-orange);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.1;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero-subtitle {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-badge {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 600;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    text-align: center;
    min-height: 50px;
    user-select: none;
    -webkit-user-select: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--primary-orange);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-blue);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--light-gray);
    transform: translateY(-2px);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.125rem;
    min-height: 60px;
}

.btn-block {
    width: 100%;
    display: flex;
}

.btn-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* ===== SERVICES ===== */
.services-grid {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    position: relative;
    z-index: 1;
    cursor: default;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-orange);
}

/* Service card içindeki metinler seçilebilir olmalı */
.service-card h3,
.service-card h4,
.service-card p {
    user-select: text;
    -webkit-user-select: text;
    pointer-events: auto;
    cursor: text;
}

/* Service card içindeki butonlar çalışmalı */
.service-card .btn,
.service-card a {
    user-select: none;
    -webkit-user-select: none;
    pointer-events: auto;
    cursor: pointer;
    position: relative;
    z-index: 2;
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.service-card h3 {
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.service-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-md);
}

.service-card .btn {
    width: 100%;
}

/* ===== TRUST SECTION ===== */
.trust-section {
    background: var(--light-gray);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.trust-badges {
    display: grid;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.trust-badge {
    background: var(--white);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    font-weight: 600;
    color: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* ===== CTA BAR (FIXED BOTTOM) ===== */
.cta-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 10px;
}

.cta-bar-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    max-width: 600px;
    margin: 0 auto;
}

.cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    min-height: 50px;
}

.cta-phone {
    background: var(--primary-blue);
    color: var(--white);
}

.cta-phone:hover {
    background: var(--primary-blue-dark);
}

.cta-whatsapp {
    background: #25D366;
    color: var(--white);
}

.cta-whatsapp:hover {
    background: #128C7E;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-blue-dark);
    color: var(--white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    color: var(--primary-orange);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.footer-section p,
.footer-section a {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 8px;
    display: block;
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.8;
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-blue) !important;
}

.text-orange {
    color: var(--primary-orange) !important;
}

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

.bg-primary {
    background: var(--primary-blue);
    color: var(--white);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

/* ===== RESPONSIVE - TABLET (768px+) ===== */
@media (min-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-2 > * {
        min-width: 0;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .btn-group {
        flex-direction: row;
        justify-content: center;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .trust-badges {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ===== RESPONSIVE - DESKTOP (1024px+) ===== */
@media (min-width: 1024px) {
    h1 { font-size: 3rem; }
    
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .hero h1 {
        font-size: 3.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .trust-badges {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .cta-bar-content {
        max-width: 800px;
    }
}

/* ===== LARGE DESKTOP (1440px+) ===== */
@media (min-width: 1440px) {
    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}