/* ============================================
   MOBILE FIRST - BASE STILOVI (XS: 0px - 576px)
   Mali telefoni
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #0a0a1a;
    color: #e0e0e0;
    font-size: 14px;
    line-height: 1.5;
}

/* NAV */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background-color: rgba(0,0,0,0.85);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #1e3a5f;
}

.logo {
    font-size: 20px;
    font-weight: bold;
    color: #4fc3f7;
}

.nav-links {
    display: none;
    list-style: none;
    gap: 18px;
}

.nav-links a {
    color: #ccc;
    text-decoration: none;
    font-size: 13px;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #4fc3f7;
}

.hamburger {
    font-size: 22px;
    cursor: pointer;
    color: #4fc3f7;
}

/* DEVICE BADGE */
.device-info {
    background: #111;
    text-align: center;
    padding: 8px;
    font-size: 13px;
    border-bottom: 2px solid #4fc3f7;
}

.badge { display: none; }
.badge.xs { display: inline-block; color: #ff7043; font-weight: bold; }

/* HERO */
.hero {
    background: linear-gradient(180deg, #0d1b2a, #1a3a5c);
    padding: 50px 16px;
    text-align: center;
}

.hero h1 {
    font-size: 28px;
    color: white;
    margin-bottom: 14px;
    line-height: 1.3;
}

.hero h1 span {
    color: #4fc3f7;
}

.hero-sub {
    font-size: 14px;
    color: #aaa;
    margin-bottom: 24px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.btn-hero {
    display: inline-block;
    padding: 12px 28px;
    background-color: #4fc3f7;
    color: #0a0a1a;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    font-size: 14px;
    transition: background-color 0.3s;
}

.btn-hero:hover {
    background-color: #29b6f6;
}

/* PLANETI SEKCIJA */
.planeti {
    padding: 40px 16px;
    background-color: #0d0d1f;
}

.planeti h2, .cinjenice h2, .kontakt h2 {
    font-size: 22px;
    color: #4fc3f7;
    text-align: center;
    margin-bottom: 8px;
}

.section-sub {
    text-align: center;
    color: #888;
    font-size: 13px;
    margin-bottom: 25px;
}

/* GRID - XS: 1 stupac */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

.card {
    background: #131326;
    border: 1px solid #1e3a5f;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-4px);
    border-color: #4fc3f7;
}

.card h3 {
    color: #e0e0e0;
    font-size: 16px;
    margin-bottom: 8px;
}

.card p {
    color: #888;
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 12px;
}

.tag {
    display: inline-block;
    padding: 4px 12px;
    background-color: #1e3a5f;
    color: #4fc3f7;
    border-radius: 12px;
    font-size: 11px;
}

/* ČINJENICE */
.cinjenice {
    padding: 40px 16px;
    background: linear-gradient(135deg, #0d1b2a, #0a0a1a);
    text-align: center;
}

.cinjenice h2 {
    margin-bottom: 25px;
}

.facts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.fact {
    background: #131326;
    border: 1px solid #1e3a5f;
    border-radius: 10px;
    padding: 18px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.fact-num {
    font-size: 18px;
    font-weight: bold;
    color: #4fc3f7;
    margin-bottom: 6px;
}

.fact-label {
    font-size: 12px;
    color: #888;
    text-align: center;
}

/* KONTAKT */
.kontakt {
    padding: 40px 16px;
    background-color: #0d0d1f;
    text-align: center;
}

.kontakt p {
    color: #888;
    font-size: 14px;
    margin-bottom: 20px;
}

.forma {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 500px;
    margin: 0 auto;
}

.forma input,
.forma textarea {
    padding: 12px 15px;
    background: #131326;
    border: 1px solid #1e3a5f;
    border-radius: 6px;
    color: white;
    font-size: 14px;
    transition: border-color 0.3s;
}

.forma input:focus,
.forma textarea:focus {
    outline: none;
    border-color: #4fc3f7;
}

.forma textarea {
    height: 110px;
    resize: vertical;
}

.forma button {
    padding: 13px;
    background-color: #4fc3f7;
    color: #0a0a1a;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.forma button:hover {
    background-color: #29b6f6;
}

/* FOOTER */
footer {
    background-color: #060610;
    color: #555;
    text-align: center;
    padding: 20px 16px;
    font-size: 12px;
    border-top: 1px solid #1e3a5f;
}

/* ============================================
   SM: 576px - 768px
   Veći telefoni
   ============================================ */
@media (min-width: 576px) {

    body { font-size: 15px; }

    .badge.xs { display: none; }
    .badge.sm { display: inline-block; color: #ab47bc; font-weight: bold; }

    .hero { padding: 60px 24px; }
    .hero h1 { font-size: 34px; }
    .hero-sub { font-size: 15px; }

    .planeti, .cinjenice, .kontakt { padding: 50px 24px; }

    /* Grid: 2 stupca */
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .facts-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .fact-num { font-size: 20px; }
}

/* ============================================
   MD: 768px - 992px
   Tableti
   ============================================ */
@media (min-width: 768px) {

    body { font-size: 15px; }

    .badge.sm { display: none; }
    .badge.md { display: inline-block; color: #26a69a; font-weight: bold; }

    .hamburger { display: none; }
    .nav-links { display: flex; }

    nav { padding: 16px 32px; }
    .logo { font-size: 22px; }

    .hero { padding: 80px 32px; }
    .hero h1 { font-size: 42px; }
    .hero-sub { font-size: 16px; }

    .planeti, .cinjenice, .kontakt { padding: 60px 32px; }
    .planeti h2, .cinjenice h2, .kontakt h2 { font-size: 28px; }

    /* Grid: 2 stupca */
    .grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .facts-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .card { padding: 24px; }
    .card h3 { font-size: 18px; }
    .card p { font-size: 14px; }

    .fact-num { font-size: 22px; }
    .fact-label { font-size: 13px; }
}

/* ============================================
   LG: 992px - 1200px
   Desktop
   ============================================ */
@media (min-width: 992px) {

    body { font-size: 16px; }

    .badge.md { display: none; }
    .badge.lg { display: inline-block; color: #ffa726; font-weight: bold; }

    nav { padding: 18px 48px; }
    .logo { font-size: 24px; }
    .nav-links { gap: 30px; }
    .nav-links a { font-size: 15px; }

    .hero { padding: 100px 48px; }
    .hero h1 { font-size: 52px; }
    .hero-sub { font-size: 17px; }
    .btn-hero { font-size: 16px; padding: 14px 36px; }

    .planeti, .cinjenice, .kontakt { padding: 70px 48px; }
    .planeti h2, .cinjenice h2, .kontakt h2 { font-size: 32px; }

    /* Grid: 4 stupca */
    .grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 22px;
    }

    .card h3 { font-size: 19px; }

    .fact-num { font-size: 26px; }
    .fact-label { font-size: 14px; }
}

/* ============================================
   XL: 1200px i više
   Veliki Desktop
   ============================================ */
@media (min-width: 1200px) {

    body { font-size: 17px; }

    .badge.lg { display: none; }
    .badge.xl { display: inline-block; color: #ef5350; font-weight: bold; }

    nav { padding: 20px 80px; }
    .logo { font-size: 26px; }
    .nav-links a { font-size: 16px; }

    .hero { padding: 120px 80px; }
    .hero h1 { font-size: 64px; }
    .hero-sub { font-size: 19px; max-width: 700px; }
    .btn-hero { font-size: 17px; padding: 16px 44px; }

    .planeti, .cinjenice, .kontakt { padding: 80px 80px; }
    .planeti h2, .cinjenice h2, .kontakt h2 { font-size: 36px; }
    .section-sub { font-size: 16px; }

    .grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .card { padding: 28px; }
    .planet-icon { font-size: 54px; }
    .card h3 { font-size: 21px; }
    .card p { font-size: 15px; }

    .facts-grid {
        max-width: 1000px;
        margin: 0 auto;
    }

    .fact-num { font-size: 30px; }
    .fact-label { font-size: 15px; }

    .forma { max-width: 600px; }

    footer { font-size: 14px; padding: 25px; }
}

/* ============================================
   PRINT MEDIA QUERY
   Crno-bijelo pri ispisu
   ============================================ */
@media print {
    * {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
        border-color: #999 !important;
    }

    body {
        font-size: 12pt;
        background: white !important;
    }

    nav, .device-info, .btn-hero, .hamburger, .forma button, footer {
        display: none !important;
    }

    .hero {
        padding: 20px;
        border-bottom: 2px solid black;
    }

    .hero h1 span {
        color: black !important;
    }

    .grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px;
    }

    .card {
        border: 1px solid #333 !important;
        page-break-inside: avoid;
    }

    .tag {
        background: #eee !important;
        color: black !important;
    }

    .facts-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .fact {
        border: 1px solid #333 !important;
    }

    .kontakt .forma {
        display: none !important;
    }

    a {
        text-decoration: none !important;
        color: black !important;
    }
}