/* ============================================
   ATELIER CHAUNU — GENÈVE
   Luxury Watch Website Styles
   ============================================ */

/* ============================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================ */
:root {
    /* Colors */
    --color-background: #0a0a0a;
    --color-background-dark: #050505;
    --color-background-light: #1a1a1a;
    
    --color-primary: #0D6B4F;
    --color-primary-light: #10856A;
    --color-primary-dark: #0A5A42;
    
    --color-secondary: #C9A962;
    --color-secondary-light: #D4B87A;
    --color-secondary-dark: #A68B4B;
    
    --color-text: #F5F0E6;
    --color-text-muted: rgba(245, 240, 230, 0.7);
    --color-text-subtle: rgba(245, 240, 230, 0.5);
    
    --color-lume: #0D6B4F;
    
    /* Typography */
    --font-heading: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Font Sizes - Mobile First */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3rem;
    --text-6xl: 4rem;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-slower: 800ms ease;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-glow: 0 0 30px rgba(13, 107, 79, 0.3);
    --shadow-gold: 0 0 20px rgba(201, 169, 98, 0.2);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
    overflow-x: hidden;
}

/* Focus Styles for Accessibility */
:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

:focus:not(:focus-visible) {
    outline: none;
}

:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip Link */
.skip-link {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    z-index: 9999;
    border-radius: var(--border-radius-sm);
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: var(--space-md);
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-text);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 300;
    line-height: 1.2;
    letter-spacing: 0.05em;
}

h1 {
    font-size: var(--text-4xl);
}

h2 {
    font-size: var(--text-3xl);
}

h3 {
    font-size: var(--text-2xl);
}

p {
    margin-bottom: var(--space-md);
}

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

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

a:hover {
    color: var(--color-secondary-light);
}

.text--lead {
    font-size: var(--text-lg);
    color: var(--color-text);
    margin-bottom: var(--space-lg);
}

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.section__header {
    margin-bottom: var(--space-2xl);
}

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

.section__title {
    font-size: var(--text-3xl);
    color: var(--color-text);
    margin-bottom: var(--space-md);
}

.section__title--light {
    color: var(--color-text);
    text-shadow: 0 0 30px rgba(13, 107, 79, 0.5);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
}

.section__content--centered {
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto;
}

/* ============================================
   NAVIGATION
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: linear-gradient(to bottom, rgba(10, 10, 10, 0.95), rgba(10, 10, 10, 0));
    transition: background var(--transition-base);
}

.header--scrolled {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav__logo {
    text-decoration: none;
}

.nav__logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.nav__logo:hover .nav__logo-text {
    color: var(--color-secondary);
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
    z-index: 1001;
}

.nav__toggle-bar {
    display: block;
    width: 24px;
    height: 1px;
    background: var(--color-text);
    margin: 3px 0;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-bar:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

.nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background: var(--color-background);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-xl);
    list-style: none;
    transition: right var(--transition-slow);
}

.nav__menu--open {
    right: 0;
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-secondary);
    transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link:focus {
    color: var(--color-secondary);
}

.nav__link:hover::after,
.nav__link:focus::after {
    width: 100%;
}

.nav__link--cta {
    color: var(--color-primary);
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        position: static;
        width: auto;
        height: auto;
        background: none;
        flex-direction: row;
        gap: var(--space-xl);
    }
    
    .nav__link {
        font-size: var(--text-sm);
    }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-4xl) 0;
}

.hero__background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(13, 107, 79, 0.1) 0%, transparent 70%);
    animation: pulseGlow 8s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.hero__content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 var(--space-lg);
    width: 100%;
    max-width: var(--container-max);
}

.hero__watch {
    margin-bottom: var(--space-2xl);
    animation: fadeInUp 1.2s ease-out;
}

.watch-render--hero {
    width: 280px;
    height: 280px;
    background: transparent;
}

.watch-svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 40px rgba(13, 107, 79, 0.2));
}

.watch-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 40px rgba(13, 107, 79, 0.2));
}

.hero__text {
    animation: fadeInUp 1.2s ease-out 0.3s both;
}

.hero__title {
    margin-bottom: var(--space-lg);
}

.hero__title-main {
    display: block;
    font-size: var(--text-3xl);
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.hero__title-sub {
    display: block;
    font-size: var(--text-lg);
    font-weight: 300;
    letter-spacing: 0.2em;
    color: var(--color-secondary);
    font-style: italic;
}

.hero__tagline {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.hero__supporting {
    font-size: var(--text-base);
    color: var(--color-text-muted);
    margin-bottom: var(--space-2xl);
}

.hero__actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
    max-width: 300px;
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    animation: fadeIn 1.5s ease-out 1s both;
}

.hero__scroll-text {
    font-size: var(--text-xs);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-secondary), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        transform: scaleY(1);
        transform-origin: top;
    }
    50.1% {
        transform: scaleY(1);
        transform-origin: bottom;
    }
    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

/* Hero Desktop */
@media (min-width: 768px) {
    .watch-render--hero {
        width: 350px;
        height: 350px;
    }
    
    .hero__title-main {
        font-size: var(--text-5xl);
    }
    
    .hero__title-sub {
        font-size: var(--text-xl);
    }
    
    .hero__tagline {
        font-size: var(--text-2xl);
    }
    
    .hero__actions {
        flex-direction: row;
        justify-content: center;
        max-width: none;
    }
}

@media (min-width: 1024px) {
    .watch-render--hero {
        width: 400px;
        height: 400px;
    }
    
    .hero__title-main {
        font-size: var(--text-6xl);
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: 400;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn--primary {
    background: var(--color-primary);
    color: var(--color-text);
    border: 1px solid var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-glow);
}

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

.btn--secondary:hover,
.btn--secondary:focus {
    background: var(--color-secondary);
    color: var(--color-background);
}

.btn--full {
    width: 100%;
}

/* ============================================
   CONCEPT SECTION
   ============================================ */
.section--concept {
    background: var(--color-background);
}

.concept__text {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.concept__text p {
    color: var(--color-text-muted);
}

/* ============================================
   DIAL SECTION
   ============================================ */
.section--dial {
    background: var(--color-background-dark);
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.dial__visual {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.watch-render--dial {
    width: 100%;
    max-width: 400px;
}

.watch-svg--large {
    filter: drop-shadow(0 0 60px rgba(13, 107, 79, 0.15));
}

.dial__content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.features-list {
    list-style: none;
    margin-bottom: var(--space-2xl);
}

.features-list__item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(201, 169, 98, 0.1);
    color: var(--color-text);
    font-size: var(--text-base);
}

.features-list__icon {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-primary);
}

.dial__description {
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .watch-render--dial {
        max-width: 500px;
    }
}

@media (min-width: 1024px) {
    .section--dial {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: var(--space-3xl);
        padding: var(--space-5xl) var(--space-2xl);
    }
    
    .dial__visual {
        margin-bottom: 0;
        order: 2;
    }
    
    .watch-render--dial {
        max-width: 600px;
    }
    
    .dial__content {
        order: 1;
        max-width: none;
        padding-left: var(--space-2xl);
    }
}

/* ============================================
   ENERGY SECTION
   ============================================ */
.section--energy {
    background: var(--color-background);
}

.energy__text {
    max-width: var(--container-narrow);
    margin: 0 auto var(--space-3xl);
}

.energy__text p {
    color: var(--color-text-muted);
}

.energy__visual {
    max-width: 500px;
    margin: 0 auto;
}

.energy-indicator {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.energy-indicator__bar {
    position: relative;
}

.energy-indicator__label {
    display: block;
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-sm);
}

.energy-indicator__fill {
    height: 4px;
    background: var(--color-background-light);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.energy-indicator__fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--fill-width, 0%);
    border-radius: 2px;
    transition: width 1.5s ease-out;
}

.energy-indicator__bar--mechanical .energy-indicator__fill::after {
    background: linear-gradient(90deg, var(--color-secondary-dark), var(--color-secondary));
}

.energy-indicator__bar--digital .energy-indicator__fill::after {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: 0 0 10px var(--color-primary);
}

/* ============================================
   NIGHT SECTION
   ============================================ */
.section--night {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-5xl) 0;
}

.night__background {
    position: absolute;
    inset: 0;
    background: var(--color-background-dark);
    z-index: 0;
}

.night__background::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(13, 107, 79, 0.15) 0%, transparent 60%);
    animation: nightPulse 6s ease-in-out infinite;
}

@keyframes nightPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
}

.night__visual {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-3xl);
}

.watch-render--night {
    width: 280px;
    height: 280px;
}

.watch-svg--night {
    filter: drop-shadow(0 0 50px rgba(13, 107, 79, 0.4));
}

.lume-path {
    animation: lumePulse 4s ease-in-out infinite;
}

@keyframes lumePulse {
    0%, 100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

.night__content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.night__text {
    max-width: var(--container-narrow);
    margin: 0 auto;
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .watch-render--night {
        width: 350px;
        height: 350px;
    }
}

@media (min-width: 1024px) {
    .section--night {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: var(--space-3xl);
    }
    
    .night__visual {
        margin-bottom: 0;
    }
    
    .watch-render--night {
        width: 400px;
        height: 400px;
    }
    
    .night__content {
        text-align: left;
        padding-right: var(--space-3xl);
    }
    
    .night__text {
        margin: 0;
    }
}

/* ============================================
   CASEBACK SECTION
   ============================================ */
.section--caseback {
    background: var(--color-background);
}

.caseback__layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-3xl);
}

.caseback__visual {
    display: flex;
    justify-content: center;
}

.watch-render--caseback {
    width: 280px;
    height: 280px;
}

.caseback__content {
    max-width: var(--container-narrow);
}

.caseback__text {
    color: var(--color-text-muted);
}

@media (min-width: 768px) {
    .watch-render--caseback {
        width: 350px;
        height: 350px;
    }
}

@media (min-width: 1024px) {
    .caseback__layout {
        flex-direction: row;
        align-items: center;
    }
    
    .caseback__visual {
        flex: 1;
    }
    
    .watch-render--caseback {
        width: 400px;
        height: 400px;
    }
    
    .caseback__content {
        flex: 1;
    }
}

/* ============================================
   LIMITED EDITION SECTION
   ============================================ */
.section--limited {
    background: var(--color-background-dark);
    text-align: center;
}

.edition-counter {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    margin-top: var(--space-2xl);
    padding: var(--space-xl) var(--space-3xl);
    border: 1px solid var(--color-secondary);
    position: relative;
}

.edition-counter::before,
.edition-counter::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 1px solid var(--color-secondary);
}

.edition-counter::before {
    top: -10px;
    left: -10px;
    border-right: none;
    border-bottom: none;
}

.edition-counter::after {
    bottom: -10px;
    right: -10px;
    border-left: none;
    border-top: none;
}

.edition-counter__number {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 300;
    color: var(--color-secondary);
    line-height: 1;
}

.edition-counter__label {
    font-size: var(--text-xs);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-top: var(--space-sm);
}

/* ============================================
   WAITLIST SECTION
   ============================================ */
.section--waitlist {
    background: var(--color-background);
    padding: var(--space-5xl) 0;
}

.waitlist-form {
    max-width: 400px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: var(--text-xs);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-subtle);
    margin-bottom: var(--space-sm);
}

.form-input {
    width: 100%;
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-background-dark);
    border: 1px solid var(--color-background-light);
    border-radius: 0;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.form-input::placeholder {
    color: var(--color-text-subtle);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--color-background-dark);
    padding: var(--space-4xl) 0 var(--space-2xl);
    border-top: 1px solid rgba(201, 169, 98, 0.1);
}

.footer .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2xl);
}

.footer__brand {
    margin-bottom: var(--space-md);
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--color-text);
    margin-bottom: var(--space-xs);
}

.footer__location {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-style: italic;
    color: var(--color-secondary);
    margin-bottom: var(--space-sm);
}

.footer__tagline {
    font-size: var(--text-xs);
    letter-spacing: 0.1em;
    color: var(--color-text-subtle);
}

.footer__nav {
    width: 100%;
}

.footer__links {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md) var(--space-xl);
}

.footer__link {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__link:hover,
.footer__link:focus {
    color: var(--color-secondary);
}

.footer__legal {
    font-size: var(--text-xs);
    color: var(--color-text-subtle);
}

@media (min-width: 768px) {
    .footer .container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
    
    .footer__brand {
        margin-bottom: 0;
    }
    
    .footer__nav {
        width: auto;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slower), transform var(--transition-slower);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Parallax effect for watch renders */
.parallax-watch {
    transition: transform 0.1s linear;
}

/* Light sweep animation */
.light-sweep {
    position: relative;
    overflow: hidden;
}

.light-sweep::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(201, 169, 98, 0.1),
        transparent
    );
    animation: lightSweep 8s ease-in-out infinite;
}

@keyframes lightSweep {
    0% {
        left: -100%;
    }
    50%, 100% {
        left: 200%;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .header,
    .hero__scroll,
    .nav__toggle,
    .btn {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .section {
        page-break-inside: avoid;
    }
}