/* =========================
   RESET / NORMALIZE (MODERN)
========================= */

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

html {
    line-height: 1.5;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Media elements */
img, video, canvas, svg {
    display: block;
    max-width: 100%;
}

/* Forms */
button, input, select, textarea {
    font: inherit;
    margin: 0;
}

/* =========================
   ROOT VARIABLES
========================= */

:root {
    --primary: #0096c0;
    --dark: #313739;
    --light: #f5f7fa;
    --white: #ffffff;
}

/* =========================
   BASE STYLES
========================= */

body {
    font-family: "Lato", sans-serif;
    background-color: var(--light);
    color: #222;
}

h1 {font-size: 6rem;}
h2 {font-size: 5rem;}
h3 {font-size: 4rem;}
h4 {font-size: 3rem;}
h5 {font-size: 2rem;}
h6 {font-size: 1.6rem;}

h1, h2, h3, h4, h5, h6 {
    font-family: "Prata", serif;
}

p {
    font-family: "Prata", serif;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

/* Selection */
::selection {
    background: #b3d4fc;
}

/* =========================
   LAYOUT
========================= */

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.section-center {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    text-align: center;
}

.text-center {
    text-align: center;
}

/* =========================
   BACKGROUNDS
========================= */

.bg-home,
.bg-sub {
    background-image: url("../img/swidaalba-mountain-3604825_1920.jpg");
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

/* =========================
   LINKS
========================= */

a {
    color: var(--primary);
    text-decoration: none;
    transition: 0.3s ease;
}

a:hover {
    color: var(--white);
}

/* =========================
   BUTTONS
========================= */

.action-btn {
    background-color: var(--primary);
    color: var(--white);
    padding: 8px 18px;
    border: none;
    border-radius: 7px;
    cursor: pointer;
    font-size: 1.1rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: 0.3s ease;
}

.action-btn:hover {
    background-color: var(--dark);
}

/* =========================
   NAVBAR
========================= */

.nav-container {
    background-color: var(--dark);
    box-shadow: 0 4px 10px rgba(0,0,0,0.4);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

.navbar ul {
    display: flex;
}

.navbar li {
    list-style: none;
    margin: 0 20px;
}

.navbar a {
    color: var(--primary);
}

.navbar a:hover {
    color: var(--white);
}

/* Responsive navbar */
@media (max-width: 787px) {
    .navbar {
        flex-direction: column;
        height: auto;
        padding: 10px 0;
    }
}

/* =========================
   PAGE SECTIONS
========================= */

.homepage-container {
    text-align: center;
}

.homepage-container h1 {
    margin-top: 150px;
}

.subpage-content {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.photo {
    width: 90%;
    border-radius: 20px;
    margin: 0 auto;
}

/* =========================
   HELPERS (FROM BOILERPLATE)
========================= */

.hidden {
    display: none !important;
}

.invisible {
    visibility: hidden;
}

.clearfix::before,
.clearfix::after {
    content: "";
    display: table;
}

.clearfix::after {
    clear: both;
}

/* Accessibility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
}

/* =========================
   FOOTER
========================= */

.footer-container {
    background-color: var(--dark);
    color: var(--white);
    text-align: center;
    padding: 20px;
    margin-top: auto;
}

/* =========================
   PRINT (LIGHT VERSION)
========================= */

@media print {
    * {
        background: #fff !important;
        color: #000 !important;
        box-shadow: none !important;
    }
}