/* ================================================
   ARCTIC VISTA STUDIOS - MAIN STYLESHEET
   Design System v1.0 - Adobe Stock Optimized
   ================================================ */

/* CSS VARIABLES */
:root {
    --color-black: #111111;
    --color-white: #FFFFFF;
    --color-off-white: #FAFAFA;
    --color-grey-100: #F5F5F5;
    --color-grey-200: #E5E5E5;
    --color-grey-400: #9CA3AF;
    --color-grey-700: #374151;
    --color-accent: #475569;
    --color-accent-hover: #334155;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", 
                 "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background: var(--color-off-white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* CONTAINERS */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

.container-small {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 32px;
}

/* NAVIGATION */
.nav-primary {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-grey-200);
}

.nav-logo {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-black);
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-menu a {
    font-size: 16px;
    color: var(--color-grey-700);
    transition: color 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-accent);
}

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.2s;
    border: none;
    text-align: center;
}

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

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

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-grey-200);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    background: var(--color-off-white);
}

/* HERO SECTION */
.hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 128px 32px;
    background: var(--color-white);
    text-align: center;
}

.hero-content {
    max-width: 800px;
}

.hero h1 {
    font-size: 40px;
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 16px;
}

.hero p {
    font-size: 18px;
    color: var(--color-grey-700);
    margin-bottom: 48px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* PAGE HEADER */
.page-header {
    background: var(--color-white);
    padding: 96px 32px 64px;
    text-align: center;
    border-bottom: 1px solid var(--color-grey-200);
}

.page-header h1 {
    font-size: 40px;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.page-header p {
    font-size: 16px;
    color: var(--color-grey-700);
    max-width: 600px;
    margin: 0 auto;
}

/* COLLECTION HEADER */
.collection-header {
    background: var(--color-white);
    padding: 96px 32px;
    border-bottom: 1px solid var(--color-grey-200);
}

.collection-meta {
    font-size: 12px;
    color: var(--color-grey-400);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.collection-header h1 {
    font-size: 40px;
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 32px;
}

.collection-intro {
    margin-bottom: 48px;
}

.collection-intro p {
    margin-bottom: 24px;
    line-height: 1.7;
}

.collection-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* SECTIONS */
.section-grey {
    background: var(--color-off-white);
    padding: 128px 0;
}

.section-white {
    background: var(--color-white);
    padding: 128px 0;
}

.section-grey h2,
.section-white h2 {
    font-size: 32px;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 64px;
    text-align: center;
}

.main-content {
    padding: 64px 0;
}

/* COLLECTION GRID */
.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.collection-card {
    background: var(--color-white);
    border: 1px solid var(--color-grey-200);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.collection-card:hover {
    border-color: var(--color-grey-400);
}

.collection-image {
    aspect-ratio: 16 / 9;
    background: var(--color-grey-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-grey-400);
    font-size: 14px;
}

.collection-content {
    padding: 24px;
}

.collection-content h2,
.collection-content h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.collection-content p {
    font-size: 14px;
    color: var(--color-grey-700);
}

/* IMAGE GRID */
.image-section {
    padding: 64px 32px;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

.image-link {
    display: block;
    transition: opacity 0.2s;
}

.image-link:hover {
    opacity: 0.9;
}

.image-item {
    margin: 0;
}

.image-placeholder {
    aspect-ratio: 3 / 2;
    background: var(--color-grey-100);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-grey-400);
    font-size: 14px;
    position: relative;
    overflow: hidden;
}

/* Hover overlay for images linking to Adobe Stock */
.license-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(71, 85, 105, 0.9);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s;
    font-size: 14px;
    font-weight: 500;
}

.image-link:hover .license-overlay {
    opacity: 1;
}

.image-item figcaption {
    margin-top: 16px;
    font-size: 14px;
    color: var(--color-grey-700);
    line-height: 1.5;
}

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

.load-more p {
    font-size: 14px;
    color: var(--color-grey-400);
    margin-bottom: 24px;
}

/* FEATURE GRID */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.feature {
    text-align: center;
}

.feature h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 16px;
}

.feature p {
    font-size: 14px;
    color: var(--color-grey-700);
    line-height: 1.6;
}

/* CTA SECTION */
.cta-section {
    text-align: center;
    padding: 96px 32px;
    background: var(--color-white);
    border-top: 1px solid var(--color-grey-200);
}

.cta-section h2 {
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 16px;
    color: var(--color-grey-700);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* CUSTOM SECTION */
.custom-section {
    background: var(--color-off-white);
    padding: 96px 32px;
    border-top: 1px solid var(--color-grey-200);
}

.custom-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.custom-content h2 {
    font-size: 32px;
    font-weight: 500;
    margin-bottom: 16px;
}

.custom-content p {
    font-size: 16px;
    color: var(--color-grey-700);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* FOOTER */
.footer {
    border-top: 1px solid var(--color-grey-200);
    padding: 64px 32px;
    background: var(--color-off-white);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 48px;
    max-width: 1200px;
    margin: 0 auto 48px;
}

.footer-grid h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-grid a {
    display: block;
    font-size: 14px;
    color: var(--color-grey-700);
    margin-bottom: 8px;
    transition: color 0.2s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid var(--color-grey-200);
    max-width: 1200px;
    margin: 0 auto;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--color-grey-400);
}

/* RESPONSIVE - TABLET */
@media (max-width: 1024px) {
    .collection-grid,
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .image-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* RESPONSIVE - MOBILE */
@media (max-width: 640px) {
    .hero h1,
    .page-header h1,
    .collection-header h1 {
        font-size: 32px;
    }
    
    .section-grey h2,
    .section-white h2,
    .cta-section h2,
    .custom-content h2 {
        font-size: 24px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero {
        min-height: 50vh;
        padding: 96px 24px;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-grey,
    .section-white {
        padding: 96px 24px;
    }
    
    .main-content {
        padding: 48px 24px;
    }
    
    .collection-grid,
    .feature-grid,
    .image-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .collection-header {
        padding: 64px 24px;
    }
    
    .collection-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .image-section {
        padding: 48px 24px;
    }
    
    .cta-section,
    .custom-section {
        padding: 64px 24px;
    }
}

/* ABOUT PAGE */
.about-content {
    padding: 64px 32px;
}

.about-intro {
    text-align: center;
    margin-bottom: 64px;
}

.lead-text {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-grey-700);
}

.about-section {
    margin-bottom: 48px;
}

.about-section h2 {
    font-size: 24px;
    font-weight: 500;
    margin-bottom: 16px;
}

.about-section p {
    margin-bottom: 16px;
    line-height: 1.7;
}

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-grey-200);
}

.about-list li:last-child {
    border-bottom: none;
}

.about-cta {
    margin-top: 64px;
    padding: 48px;
    background: var(--color-off-white);
    border-radius: 4px;
    text-align: center;
}

.about-cta h2 {
    font-size: 28px;
    margin-bottom: 16px;
}

.about-cta p {
    margin-bottom: 32px;
    color: var(--color-grey-700);
}

.about-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* CONTACT PAGE */
.contact-content {
    padding: 64px 32px;
}

.contact-info {
    margin-bottom: 64px;
}

.contact-info h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 32px;
    text-align: center;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 64px;
}

.contact-method {
    padding: 24px;
    background: var(--color-off-white);
    border-radius: 4px;
}

.contact-method h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.contact-method p {
    margin-bottom: 8px;
}

.contact-method a {
    color: var(--color-accent);
    text-decoration: underline;
}

.contact-note {
    font-size: 14px;
    color: var(--color-grey-400);
    margin-top: 8px;
}

/* FORMS */
.contact-form-section,
.request-form-section {
    margin-top: 64px;
}

.contact-form-section h2,
.request-form-section h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 16px;
}

.form-intro {
    margin-bottom: 32px;
    color: var(--color-grey-700);
}

.contact-form,
.request-form {
    max-width: 100%;
}

fieldset {
    border: 1px solid var(--color-grey-200);
    border-radius: 4px;
    padding: 24px;
    margin-bottom: 24px;
}

legend {
    font-size: 18px;
    font-weight: 500;
    padding: 0 8px;
}

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid var(--color-grey-200);
    border-radius: 4px;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

textarea {
    resize: vertical;
}

.field-note {
    font-size: 14px;
    color: var(--color-grey-400);
    margin-top: 8px;
}

.form-note {
    font-size: 14px;
    color: var(--color-grey-400);
    margin-top: 16px;
}

/* CONTACT FAQ */
.contact-faq {
    margin-top: 64px;
    padding-top: 64px;
    border-top: 1px solid var(--color-grey-200);
}

.contact-faq h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 32px;
}

.faq-item {
    margin-bottom: 32px;
}

.faq-item h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.faq-item p {
    color: var(--color-grey-700);
    line-height: 1.6;
}

.faq-item a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* REQUEST PAGE */
.request-content {
    padding: 64px 32px;
}

.request-intro {
    margin-bottom: 48px;
}

.request-intro h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 16px;
}

.request-intro p {
    margin-bottom: 16px;
    line-height: 1.7;
}

.request-benefits {
    list-style: none;
    padding: 0;
}

.request-benefits li {
    padding: 12px 0;
    border-bottom: 1px solid var(--color-grey-200);
}

.request-section {
    margin-bottom: 64px;
}

.request-section h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 32px;
    text-align: center;
}

.request-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.request-card {
    padding: 24px;
    background: var(--color-off-white);
    border-radius: 4px;
}

.request-card h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.request-card p {
    font-size: 14px;
    color: var(--color-grey-700);
    line-height: 1.6;
}

/* REQUEST PROCESS */
.request-process {
    margin-top: 64px;
    padding-top: 64px;
    border-top: 1px solid var(--color-grey-200);
}

.request-process h2 {
    font-size: 28px;
    font-weight: 500;
    margin-bottom: 32px;
    text-align: center;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

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

.step-number {
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 500;
    margin: 0 auto 16px;
}

.process-step h3 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
}

.process-step p {
    font-size: 14px;
    color: var(--color-grey-700);
    line-height: 1.6;
}

/* RESPONSIVE - ADDITIONAL */
@media (max-width: 1024px) {
    .contact-methods {
        grid-template-columns: 1fr;
    }
    
    .request-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .about-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .process-steps {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        gap: 24px;
    }
    
    fieldset {
        padding: 16px;
    }
}

/* ACCESSIBILITY */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}