/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}

article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}

* {
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --primary-color: #65768C; 
    --secondary-color: #8F9FBF; 
    --light-color: #DCE4F2; 
    --medium-color: #B4C4D9; 
    --accent-color: #73482F; 
    
    --text-dark: #333;
    --text-light: #65768C;
    --background-light: #DCE4F2;
    --white: #ffffff;
    --shadow: 0 5px 15px rgba(101, 118, 140, 0.15);
    --transition: 0.3s ease;
    
    /* Font info */
    --font-primary: 'Roboto', sans-serif;
    --font-size-base: 1rem;
    --font-size-large: 1.2rem;
    --font-size-heading: 2.5rem;
    --font-size-subheading: 1.8rem;
    --line-height: 1.6;
}

/* Roboto Font Classes */
.roboto-light {
    font-family: "Roboto", sans-serif;
    font-weight: 300;
    font-style: normal;
    font-variation-settings: "wdth" 100;
}

.roboto-regular {
    font-family: "Roboto", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-variation-settings: "wdth" 100;
}

.roboto-medium {
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-style: normal;
    font-variation-settings: "wdth" 100;
}

.roboto-bold {
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-style: normal;
    font-variation-settings: "wdth" 100;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-dark);
    width: 1280px;
    margin: 0 auto;
    background-color: var(--white);
}

/* Header Styles */
header {
    background-image: url('images/swiss-valley.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 400px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: var(--white);
    text-align: center;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    z-index: 2;
    position: relative;
}

h1 a {
    color: var(--white);
    text-decoration: none;
    transition: opacity var(--transition);
}

h1 a:hover,
h1 a:focus {
    opacity: 0.9;
    outline: none;
}

nav {
    position: relative;
    width: 100%;
    z-index: 2;
    margin-top: 20px;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 40px;
}

nav li {
    margin: 0;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-size: var(--font-size-large);
    font-weight: bold;
    padding: 10px 20px;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition);
    position: relative;
}

nav a:hover,
nav a:focus {
    border-bottom-color: var(--accent-color);
    outline: none;
}

nav a.active {
    border-bottom-color: var(--accent-color);
}

nav a.placeholder:hover,
nav a.placeholder:focus {
    opacity: 0.7;
}

/* Main Content Styles */
main {
    padding: 60px 40px;
}

/* Hero Section */
.intro-section {
    text-align: center;
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.intro-section h2 {
    font-size: var(--font-size-heading);
    color: var(--primary-color);
    margin-bottom: 30px;
}

.intro-section p {
    font-size: var(--font-size-large);
    color: var(--text-light);
}

/* Content Columns Layout */
.content-columns {
    display: flex;
    gap: 40px;
    margin-bottom: 80px;
}

.content-column {
    flex: 1;
    text-align: center;
}

.content-column img {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.content-column h3 {
    font-size: var(--font-size-subheading);
    color: var(--primary-color);
    margin-bottom: 20px;
}

.content-column p {
    font-size: 1.1rem;
    color: var(--text-light);
    text-align: left;
}

/* Contact Page Styles */
.contact-intro {
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.contact-intro h2 {
    font-size: var(--font-size-heading);
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-intro p {
    font-size: var(--font-size-large);
    color: var(--text-light);
    margin-bottom: 10px;
}

.contact-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.contact-left {
    flex: 1;
}

.contact-left .contact-intro {
    text-align: center;
    margin-bottom: 40px;
    max-width: 600px;
}

.contact-left .contact-intro h2 {
    font-size: var(--font-size-heading);
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-left .contact-intro p {
    font-size: var(--font-size-large);
    color: var(--text-light);
    margin-bottom: 10px;
}

.contact-image {
    flex: 1;
    text-align: center;
}

.contact-image img {
    width: 590px;
    height: 620px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    object-fit: cover;
}

.contact-form {
    flex: 1;
}

/* Form Styles */
form {
    flex: 1;
    background: var(--background-light);
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-top: 90px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label,
fieldset legend {
    display: block;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: var(--font-size-base);
}

fieldset {
    border: 2px solid var(--secondary-color);
    border-radius: 5px;
    padding: 15px;
}

fieldset legend {
    margin-bottom: 15px;
    padding: 0 10px;
    background: var(--white);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: border-color var(--transition), box-shadow var(--transition);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(70, 110, 146, 0.1);
}

input[type="text"]:invalid,
input[type="email"]:invalid,
input[type="tel"]:invalid,
textarea:invalid {
    border-color: #e74c3c;
}

textarea {
    height: 120px;
    resize: vertical;
    font-family: var(--font-primary);
}

.radio-options {
    display: flex;
    gap: 30px;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-option input[type="radio"] {
    width: auto;
    margin: 0;
}

.radio-option label {
    margin-bottom: 0;
    font-weight: normal;
    cursor: pointer;
}

button {
    background: var(--primary-color);
    color: var(--white);
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
}

button:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

button:focus {
    outline: 3px solid var(--medium-color);
    outline-offset: 2px;
}

/* Footer Styles */
footer {
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 40px 20px;
    margin-top: 80px;
}

footer p {
    margin-bottom: 10px;
    font-size: var(--font-size-base);
}

footer p:last-child {
    margin-bottom: 0;
}