:root {
    --primary: #FFA500;
    --black: #000000;
    --white: #FFFFFF;
    --green: #008000;
    --blue: #ADD8E6;
    --gray: #f7f7f7;
    --dark-gray: #333333;

    --container-width: 1280px;

    --section-padding: 70px;
    --section-padding-mobile: 50px;
}

/* ===================================
   RESET
=================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    background: #ffffff;
    color: #222222;
    line-height: 1.7;
    overflow-x: hidden;
}

main {
    min-height: 100vh;
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
}

a {
    text-decoration: none;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

/* ===================================
   CONTAINER
=================================== */

.container {
    width: 92%;
    max-width: var(--container-width);
    margin: 0 auto;
}

/* ===================================
   TYPOGRAPHY
=================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--black);
    line-height: 1.2;
}

h1 {
    font-size: 4rem;
}

h2 {
    font-size: 2.8rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

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

.section {
    padding: var(--section-padding) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    max-width: 800px;
    margin: 0 auto;
}

.bg-light {
    background: var(--gray);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 52px;

    padding: 14px 28px;

    border-radius: 8px;

    font-weight: 600;

    transition: 0.3s ease;

    cursor: pointer;
}

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

.btn-primary:hover {
    background: #e29400;
}

.btn-outline {
    border: 2px solid #ffffff;
    color: #ffffff;
}

.btn-outline:hover {
    background: #ffffff;
    color: #000000;
}

.btn-light {
    background: #ffffff;
    color: #000000;
}

.btn-light:hover {
    background: #f3f3f3;
}

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

.navbar {

    background: #ffffff;

    position: sticky;

    top: 0;

    z-index: 9999;

    box-shadow:
        0 2px 15px rgba(0,0,0,.08);
}

.nav-container {

    display: flex;

    align-items: center;

    justify-content: space-between;

    min-height: 90px;

    gap: 15px;
}

.logo {

    flex: 0 0 180px;

    display: flex;

    align-items: center;
}

.logo img {

    max-width: 170px;

    width: 100%;

    height: auto;

    object-fit: contain;
}

.nav-links {

    display: flex;

    align-items: center;

    justify-content: center;

    flex: 1;

    gap: 18px;
}

.nav-links a {

    color: var(--black);

    font-weight: 600;

    font-size: 15px;

    white-space: nowrap;
}

.nav-links a:hover {

    color: var(--primary);
}

.nav-actions {

    flex-shrink: 0;
}

.register-btn {

    padding: 12px 22px;

    min-height: auto;
}

.mobile-menu-btn {

    display: none;

    background: transparent;

    border: none;

    font-size: 30px;

    cursor: pointer;

    color: #111;
}

/* ===================================
   FLASH MESSAGES
=================================== */

.flash-container {
    width: 92%;
    max-width: 1200px;
    margin: 20px auto;
}

.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 10px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
}

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

.footer {
    background: #111111;
    color: #ffffff;

    padding: 60px 0 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer h3,
.footer h4 {
    color: #ffffff;
    margin-bottom: 15px;
}

.footer ul li {
    margin-bottom: 10px;
}

.footer a {
    color: #ffffff;
}

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

.footer hr {
    margin: 30px 0;
    border: none;
    border-top: 1px solid #333;
}

.copyright {
    text-align: center;
    font-size: 14px;
    opacity: .8;
}

/* ===================================
   UTILITIES
=================================== */

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