/* ============================================
   COMMON.CSS - SHARED STYLES FOR ALL PAGES
   Modern, Clean, Professional Design
   ============================================ */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --color-primary: #1a4b84;
    --color-primary-dark: #0f3054;
    --color-primary-light: #2d6ab8;
    
    --color-dark: #0f172a;
    --color-dark-light: #1e293b;
    --color-gray: #64748b;
    --color-gray-light: #e2e8f0;
    --color-light: #f8fafc;
    --color-white: #ffffff;
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --section-padding: 5rem 0;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

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

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

/* ===== UTILITY CLASSES ===== */
.section-padding {
    padding: var(--section-padding);
}

.text-gradient {
    background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== SECTION ELEMENTS ===== */
.section-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
}

.section-title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray);
    line-height: 1.7;
}

/* ===== HERO SECTIONS ===== */
.hero-section,
.about-hero,
.contact-hero,
.profile-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    position: relative;
    overflow: hidden;
    color: white;
}

.hero-section::before,
.about-hero::before,
.contact-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: #fff;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

/* ===== BUTTONS ===== */
.btn {
    font-weight: 600;
    padding: 0.875rem 2rem;
    border-radius: 12px;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(26, 75, 132, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(26, 75, 132, 0.4);
    color: white;
}

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

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

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.btn-light {
    background: white;
    color: var(--color-primary);
}

.btn-light:hover {
    background: var(--color-light);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

/* ===== CARDS ===== */
.feature-card,
.value-card,
.team-card,
.contact-info-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    height: 100%;
    transition: var(--transition);
    border: 2px solid var(--color-gray-light);
}

.feature-card:hover,
.value-card:hover,
.team-card:hover,
.contact-info-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.feature-card::before,
.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), #10b981);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.feature-card:hover::before,
.value-card:hover::before {
    transform: scaleX(1);
}

/* ===== ICONS ===== */
.feature-icon,
.value-icon,
.contact-info-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.bg-primary { background: linear-gradient(135deg, #1a4b84 0%, #0f3054 100%); }
.bg-success { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.bg-warning { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.bg-danger { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); }

/* ===== TITLES ===== */
.feature-title,
.value-title,
.contact-info-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.feature-description,
.value-description {
    color: var(--color-gray);
    line-height: 1.7;
    font-size: 0.95rem;
    margin: 0;
}

/* ===== FORMS ===== */
.form-label {
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-control,
.form-select {
    padding: 0.875rem 1rem;
    border: 2px solid var(--color-gray-light);
    border-radius: 10px;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 75, 132, 0.1);
}

.form-control::placeholder {
    color: #94a3b8;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-gray-light);
    border-radius: 6px;
}

.form-check-input:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 4rem 0 2rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 700;
}

.footer-description {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-top: 1rem;
}

.footer-title {
    color: white;
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 0.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
    color: white;
}

.footer-divider {
    border-color: rgba(255, 255, 255, 0.1);
    margin: 2rem 0;
}

.footer-bottom {
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.fade-in-delay {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-delay-1 {
    animation: fadeInUp 0.8s ease-out;
}

.fade-in-delay-2 {
    animation: fadeInUp 1s ease-out;
}

.fade-in-delay-3 {
    animation: fadeInUp 1.2s ease-out;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-padding {
        padding: 3rem 0;
    }
}

/* ===== SELECTION ===== */
::selection {
    background: var(--color-primary);
    color: white;
}