/* =====================================================
   Kamil Şengül - Diplomat Danışman Web Sitesi
   Ana Stil Dosyası
   ===================================================== */

/* ===== CSS Değişkenleri ===== */
:root {
    /* Renk Paleti */
    --primary-navy: #1a2332;
    --primary-gold: #d4af37;
    --secondary-gold: #b8941f;
    --light-gold: #f4e5c2;
    --white: #ffffff;
    --off-white: #f8f9fa;
    --light-gray: #e9ecef;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --text-primary: #212529;
    --text-secondary: #495057;

    /* Tipografi */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --font-heading: 'Playfair Display', serif;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Transitions */
    --transition-base: all 0.3s ease;
    --transition-slow: all 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.15);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
}

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

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

body {
    font-family: var(--font-secondary);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--primary-navy);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    text-decoration: none;
    color: var(--primary-gold);
    transition: var(--transition-base);
}

a:hover {
    color: var(--secondary-gold);
}

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

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-lg);
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-navy);
    font-family: var(--font-primary);
}

.navbar-brand span {
    color: var(--primary-gold);
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.navbar-menu li {
    position: relative;
}

.navbar-menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    position: relative;
    font-size: 0.95rem;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gold);
    transition: var(--transition-base);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-base);
    margin-top: var(--spacing-sm);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    transition: var(--transition-base);
}

.dropdown-menu a:hover {
    background: var(--light-gray);
    color: var(--primary-gold);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
    padding: var(--spacing-sm);
}

.navbar-toggle span {
    width: 25px;
    height: 3px;
    background: var(--primary-navy);
    transition: var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, var(--primary-navy) 0%, #2c3e50 100%);
    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"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    text-align: center;
    z-index: 1;
    color: var(--white);
    padding: var(--spacing-2xl);
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
    color: var(--white);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--primary-gold);
    margin-bottom: var(--spacing-xl);
    font-weight: 400;
}

.hero-cta {
    display: inline-flex;
    gap: var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-gold);
    color: var(--primary-navy);
}

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

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

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

/* ===== Cards ===== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    height: 100%;
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    font-size: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-navy);
}

.card-text {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-subtitle {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-gold);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    color: var(--primary-navy);
    margin-bottom: var(--spacing-md);
}

.section-description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* ===== Utility Classes ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }