/* =========================================
   COLOR SYSTEM
========================================= */
:root {
    --dark-blue: #0A2540;
    --accent-blue: #1A73E8;
    --light-gray: #F5F7FA;
    --text-dark: #333333;
    --text-light: #6c757d;
    --border-soft: #e5e7eb;
}

/* =========================================
   GLOBAL
========================================= */
html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: white;
}

section {
    padding: 80px 0;
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
}

/* =========================================
   NAVBAR (light corporate)
========================================= */
.navbar {
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.navbar .navbar-brand img {
    height: 32px;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    margin-left: 10px;
}

.nav-link:hover {
    color: var(--accent-blue);
}

.page-with-navbar {
    padding-top: 72px; /* може да стане 80 или 100 според височината на navbar */
}

/* =========================================
   BUTTONS
========================================= */
.btn-primary {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
    transition: 0.25s ease;
}

.btn-primary:hover {
    background-color: #2f6ed6;
    border-color: #2f6ed6;
}

.btn-outline-primary {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline-primary:hover {
    background-color: var(--accent-blue);
    color: white;
}

/* =========================================
   HERO (light corporate)
========================================= */

/* =========================================
   HERO — Fullscreen background
========================================= */

.hero-fullscreen {
    height: 100vh;
    background: url('images/DataTechniks-HyperScaleDC-1920x1000.webp') center/cover no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    color: white;
}

/* Dark overlay for readability */
.hero-fullscreen::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

/* Text container */
.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
}

/* Title */
.hero-fullscreen .hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    line-height: 1.2;
    color: white;
}

/* Subtitle */
.hero-fullscreen .hero-subtitle {
    font-size: 1.2rem;
    color: #e4e7eb;
}

/* Fade-in animation */
.hero-content {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 1.2s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .hero-fullscreen .hero-title {
        font-size: 2rem;
    }
    .hero-fullscreen .hero-subtitle {
        font-size: 1rem;
    }
}

/* =========================================
   ABOUT
========================================= */
#about h2 {
    color: var(--dark-blue);
}

#about p {
    font-size: 1.05rem;
    line-height: 1.7;
}

/* =========================================
   CAPABILITIES (light corporate)
========================================= */
#capabilities {
    background: white;
}

.capability-card {
    background-color: white;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    padding: 32px;
    transition: 0.3s ease;
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.capability-card i {
    color: var(--accent-blue);
}

/* =========================================
   EQUIPMENT
========================================= */
.equipment-img {
    max-width: 180px;
    max-height: 140px;
    object-fit: contain;
    margin-bottom: 15px;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    padding: 10px;
    background: white;
}

#capabilities .col-md-4 {
    text-align: center;
}

/* =========================================
   PROJECTS
========================================= */
#projects .p-4 {
    background-color: white;
    border: 1px solid var(--border-soft);
    border-radius: 8px;
    transition: 0.3s ease;
}

#projects .p-4:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

/* =========================================
   CONTACT
========================================= */
#contact {
    background: var(--light-gray);
}

#contact .form-control {
    border-radius: 8px;
    padding: 10px 14px;
    border: 1px solid #d0d5dd;
}

#contact .form-control:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(26,115,232,0.3);
}

#contact .btn-primary {
    font-size: 1.1rem;
    border-radius: 8px;
}

/* =========================================
   FOOTER
========================================= */
footer {
    background-color: white;
    border-top: 1px solid var(--border-soft);
    padding: 40px 0;
}

footer p {
    color: var(--text-light);
    margin: 0;
}