/* 
* TERVONITA.SHOP
* "Vand som næringsstof nr. 1" - Mikronlæring om vand, hydrering og metabolisme
* Stilark (CSS)
*/

/* ===== Reset & Base Styles ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Farvepalette */
    --primary: #2196F3;
    --primary-dark: #1976D2;
    --primary-light: #BBDEFB;
    --secondary: #00BCD4;
    --accent: #009688;
    --text-dark: #212121;
    --text-medium: #616161;
    --text-light: #F5F5F5;
    --background: #FFFFFF;
    --background-alt: #F9F9F9;
    --gray-light: #EEEEEE;
    --gray-medium: #BDBDBD;
    --gray-dark: #757575;
    --success: #4CAF50;
    --warning: #FFC107;
    --error: #F44336;

    /* Typografi */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.1);
}

html {
    font-size: 62.5%; /* 10px base size for easier rem calculations */
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color var(--transition-fast);
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 4.2rem;
}

h2 {
    font-size: 3.6rem;
}

h3 {
    font-size: 2.8rem;
}

h4 {
    font-size: 2.2rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

/* ===== Layout ===== */
.container {
    width: 100%;

    max-height: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto var(--spacing-lg);
}

.section-header p {
    font-size: 1.8rem;
    color: var(--text-medium);
}

.section-header.light h2,
.section-header.light p {
    color: var(--text-light);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 1.2rem 2.4rem;
    font-size: 1.6rem;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background-color: var(--primary-light);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

/* ===== Header ===== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    padding: var(--spacing-sm) 0;
}

#header.scrolled {
    padding: var(--spacing-xs) 0;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    max-width: 150px;
}

.logo img {
    width: 100%;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-links {
    display: flex;
    align-items: center;
}

.nav-links li {
    margin-left: var(--spacing-md);
}

.nav-link {
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: var(--spacing-xs) 0;
}

.nav-link:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: width var(--transition-normal);
}

.nav-link:hover:after,
.nav-link.active:after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 5px 0;
    transition: all var(--transition-normal);
}

/* ===== Hero Section ===== */
.section-hero {
    padding-top: calc(80px + var(--spacing-xl));
    
    background: linear-gradient(135deg, #e0f7fa 0%, #b3e5fc 100%);
    max-width: 100%;
    max-height: 100%;
}

.hero-content {
    max-width: 100%;
    max-height: 100%;
}

.hero-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-medium);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
}

.hero-image {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 45%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image img {
    object-fit: cover;
    height: 100%;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
    z-index: 2;
}

/* ===== Om Vand Section ===== */
.section-om-vand {
    background-color: var(--background);
    z-index: 3;
    position: relative;
}

.om-vand-content {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.om-vand-text {
    flex: 1;
}

.om-vand-text h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.om-vand-facts {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.fact {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md);
    background-color: var(--background-alt);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.fact:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.fact-icon {
    margin-bottom: var(--spacing-sm);
}

.om-vand-image {
    flex: 1;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* ===== Fordele Section ===== */
.section-fordele {
    position: relative;
    color: var(--text-light);
    z-index: 2;
}

.fordele-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--accent) 100%);
    z-index: -1;
}

.fordele-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.fordele-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    backdrop-filter: blur(5px);
    transition: all var(--transition-normal);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.fordele-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.card-icon {
    margin-bottom: var(--spacing-sm);
}

.fordele-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

.fordele-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* ===== Daglig Behov Section ===== */
.section-daglig-behov {
    background-color: var(--background-alt);
}

.daglig-behov-content {
    display: flex;
    gap: var(--spacing-lg);
}

.daglig-behov-graf {
    flex: 1;
    background-color: var(--background);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.graf-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: var(--primary-dark);
}

.graf-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.graf-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.graf-label {
    width: 100px;
    font-weight: 500;
    text-align: right;
}

.graf-visual {
    flex: 1;
    height: 30px;
    background-color: var(--gray-light);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.graf-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 1.5s ease-in-out;
}

.graf-fill.kvinder {
    background: linear-gradient(90deg, var(--primary-light) 0%, var(--primary) 100%);
    width: 70%;
}

.graf-fill.mænd {
    background: linear-gradient(90deg, var(--secondary) 0%, var(--primary-dark) 100%);
    width: 85%;
}

.graf-fill.aktive {
    background: linear-gradient(90deg, var(--accent) 0%, var(--secondary) 100%);
    width: 95%;
}

.graf-value {
    width: 70px;
    text-align: left;
    font-weight: 600;
    color: var(--primary-dark);
}

.graf-note {
    font-size: 1.4rem;
    color: var(--text-medium);
    margin-top: var(--spacing-md);
    text-align: center;
    font-style: italic;
}

.daglig-behov-info {
    flex: 1;
}

.faktorer-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faktorer-list li {
    display: flex;
    gap: var(--spacing-sm);
    background-color: var(--background);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.faktorer-list li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.faktor-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.faktor-text h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.faktor-text p {
    font-size: 1.5rem;
    margin-bottom: 0;
}

/* ===== Tips Section ===== */
.section-tips {
    background-color: var(--background);
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.tip-card {
    background-color: var(--background);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    position: relative;
}

.tip-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.tip-number {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    background-color: var(--primary);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.8rem;
    z-index: 1;
}

.tip-card h3 {
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-xs);
    font-size: 2rem;
}

.tip-card p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    font-size: 1.5rem;
    color: var(--text-medium);
}

.tip-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

/* ===== Kontakt Section ===== */
.section-kontakt {
    background-color: var(--background-alt);
}

.kontakt-wrapper {
    display: flex;
    gap: var(--spacing-lg);
}

.kontakt-info {
    flex: 1;
}

.kontakt-details {
    margin: var(--spacing-md) 0;
}

.kontakt-item {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.kontakt-icon {
    min-width: 24px;
}

.kontakt-text h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-dark);
}

.kontakt-map {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.kontakt-form {
    flex: 1;
    background-color: var(--background);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

.kontakt-form h3 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid var(--gray-medium);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1.6rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-group.checkbox input {
    width: auto;
}

.form-group.checkbox label {
    margin-bottom: 0;
    font-size: 1.4rem;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--primary-dark);
    color: var(--text-light);
    padding-top: var(--spacing-lg);
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    flex: 1;
    min-width: 300px;
}

.footer-logo img {
    max-width: 150px;
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    opacity: 0.8;
}

.footer-links {
    flex: 2;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-links-column {
    flex: 1;
    min-width: 200px;
}

.footer-links-column h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.8rem;
}

.footer-links-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links-column a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-links-column a:hover {
    color: white;
}

.footer-links-column p {
    opacity: 0.8;
    margin-bottom: var(--spacing-sm);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-xs);
}

.newsletter-form input {
    flex: 1;
    padding: 1.2rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 1.4rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form button {
    padding: 0 1.5rem;
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    text-align: center;
    font-size: 1.4rem;
    opacity: 0.7;
}

/* ===== Responsive Styles ===== */
@media (max-width: 1024px) {
    html {
        font-size: 58%;
    }

    .hero-image {
        width: 40%;
    }

    .om-vand-content,
    .daglig-behov-content,
    .kontakt-wrapper {
        flex-direction: column;
    }

    .faktorer-list li {
        align-items: flex-start;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 55%;
    }

    section {
        padding: var(--spacing-lg) 0;
    }

    .mobile-menu-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        height: 100vh;
        background-color: var(--background);
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        padding: var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: var(--spacing-sm) 0;
        width: 100%;
    }

    .nav-link {
        display: block;
        width: 100%;
        padding: var(--spacing-sm) 0;
    }

    .nav-link:after {
        display: none;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content {
        text-align: center;
        margin: 0 auto var(--spacing-lg);
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-image {
        position: relative;
        top: 0;
        transform: none;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }

    .om-vand-facts {
        grid-template-columns: 1fr;
    }

    .footer-top {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    html {
        font-size: 50%;
    }

    .tips-grid {
        grid-template-columns: 1fr;
    }

    .btn {
        width: 100%;
    }

    .hero-cta {
        flex-direction: column;
    }

    .newsletter-form {
        flex-direction: column;
    }
}