/* ============================================
   ELSA GRAY - JEWELRY WEBSITE
   Design System & Core Styles
   Clean, Minimal Luxury Aesthetic
   Inspired by Tamara Comolli
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
    /* Primary Colors - Clean Neutral Palette */
    --color-black: #000000;
    --color-charcoal: #1a1a1a;
    --color-dark-gray: #333333;
    --color-gray: #666666;
    --color-mid-gray: #999999;
    --color-light-gray: #cccccc;
    --color-border: #e5e5e5;
    --color-off-white: #f5f5f5;
    --color-cream: #fafafa;
    --color-white: #ffffff;

    /* Accent - subtle warm tone */
    --color-gold: #b8a074;
    --color-gold-light: #c9b48a;

    /* Typography */
    --font-heading: 'Cormorant Garamond', 'Georgia', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Font Sizes - Clean and Refined */
    --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: 3.5rem;
    --text-hero: clamp(3rem, 6vw, 5rem);

    /* Spacing Scale */
    --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: 1400px;
    --container-narrow: 1100px;

    /* Effects */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 200ms ease;
    --transition-base: 400ms ease;
    --transition-slow: 600ms ease;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-overlay: 300;
    --z-modal: 400;
}

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-white);
    letter-spacing: 0.01em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 300;
    color: var(--color-charcoal);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

/* ---------- Preloader (Tiffany Style) ---------- */
.site-preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.8s ease-in-out;
}

.site-preloader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.site-preloader__logo img {
    max-width: 120px;
    height: auto;
    animation: preloader-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes preloader-pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

/* ---------- Typography - Clean & Minimal ---------- */

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

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

h4 {
    font-size: var(--text-2xl);
}

h5 {
    font-size: var(--text-xl);
}

h6 {
    font-size: var(--text-lg);
}

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

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

a:hover {
    opacity: 0.7;
}

/* ---------- Utility Classes ---------- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

/* Text Utilities */
.text-center {
    text-align: center;
}

.text-uppercase {
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: var(--text-xs);
    font-weight: 400;
}

/* Spacing Utilities */
.mt-sm {
    margin-top: var(--space-sm);
}

.mt-md {
    margin-top: var(--space-md);
}

.mt-lg {
    margin-top: var(--space-lg);
}

.mt-xl {
    margin-top: var(--space-xl);
}

.mt-2xl {
    margin-top: var(--space-2xl);
}

.mt-3xl {
    margin-top: var(--space-3xl);
}

.mb-sm {
    margin-bottom: var(--space-sm);
}

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

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

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

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

/* ---------- Buttons - Minimal & Clean ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-2xl);
    font-family: var(--font-body);
    font-size: var(--text-xs);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

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

.btn--primary:hover {
    background-color: var(--color-black);
    opacity: 1;
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-charcoal);
    border-color: var(--color-charcoal);
}

.btn--secondary:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    opacity: 1;
}

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

.btn--white:hover {
    background-color: transparent;
    color: var(--color-white);
    opacity: 1;
}

.btn--link {
    background: none;
    border: none;
    padding: 0;
    color: var(--color-charcoal);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    font-size: var(--text-xs);
    position: relative;
}

.btn--link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background-color: currentColor;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.btn--link:hover {
    opacity: 1;
}

.btn--link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* ---------- Section Styles ---------- */
.section {
    padding: var(--space-5xl) 0;
}

.section--cream {
    background-color: var(--color-cream);
}

.section--bg-image {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: var(--color-white);
}

.section--bg-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    /* Dark overlay for text readability */
    z-index: 1;
}

.section--bg-image .container {
    position: relative;
    z-index: 2;
}

.section--bg-image h2,
.section--bg-image p,
.section--bg-image .section-header__subtitle {
    color: var(--color-white);
}

.about-grid--centered {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.section-header__subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-4xl);
}

.section-header__subtitle {
    display: block;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--color-mid-gray);
    margin-bottom: var(--space-md);
    font-weight: 400;
}

/* ---------- Grid System ---------- */
.grid {
    display: grid;
    gap: var(--space-lg);
}

.grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {

    .grid--4,
    .grid--3,
    .grid--2 {
        grid-template-columns: 1fr;
    }
}

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

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

/* ---------- Animations - Subtle ---------- */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- Scroll Reveal - Tamara Comolli Luxury Style ---------- */
/* Very slow, subtle, elegant animations */

.reveal {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 1.5s cubic-bezier(0.23, 1, 0.32, 1),
        transform 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Reveal from left - subtle slide */
.reveal--left {
    opacity: 0;
    transform: translateX(-80px);
    transition: opacity 1.8s cubic-bezier(0.23, 1, 0.32, 1),
        transform 1.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal--left.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Reveal from right - subtle slide */
.reveal--right {
    opacity: 0;
    transform: translateX(80px);
    transition: opacity 1.8s cubic-bezier(0.23, 1, 0.32, 1),
        transform 1.8s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal--right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* Fade only - very slow luxury fade */
.reveal--fade {
    opacity: 0;
    transform: none;
    transition: opacity 2s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal--fade.revealed {
    opacity: 1;
}

/* Scale reveal - subtle zoom */
.reveal--scale {
    opacity: 0;
    transform: scale(0.92);
    transition: opacity 1.5s cubic-bezier(0.23, 1, 0.32, 1),
        transform 1.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal--scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* Staggered children - luxury cascade */
.reveal-child {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1.2s cubic-bezier(0.23, 1, 0.32, 1),
        transform 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal-child.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Delay variations for staggered effect */
.reveal-delay-1 {
    transition-delay: 0.2s;
}

.reveal-delay-2 {
    transition-delay: 0.4s;
}

.reveal-delay-3 {
    transition-delay: 0.6s;
}

.reveal-delay-4 {
    transition-delay: 0.8s;
}

.reveal-delay-5 {
    transition-delay: 1s;
}

/* Image reveal with slow zoom */
.reveal-image {
    opacity: 0;
    transform: scale(1.08);
    transition: opacity 2s cubic-bezier(0.23, 1, 0.32, 1),
        transform 2.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.reveal-image.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ---------- Selection Styles ---------- */
::selection {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

/* ---------- Focus Styles ---------- */
:focus-visible {
    outline: 1px solid var(--color-charcoal);
    outline-offset: 2px;
}

/* ---------- Scrollbar - Minimal ---------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-off-white);
}

::-webkit-scrollbar-thumb {
    background: var(--color-light-gray);
}

/* ---------- About & Contact Page Styles ---------- */
.page-hero {
    height: 50vh;
    min-height: 400px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: var(--color-white);
    margin-bottom: var(--space-4xl);
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
}

/* ---------- Page Blur Effect ---------- */
.site-main {
    transition: filter 0.4s ease;
}

.blur-content {
    filter: blur(5px);
}

.page-title {
    position: relative;
    z-index: 1;
    font-size: var(--text-5xl);
    text-align: center;
    margin: 0;
    color: var(--color-white);
}

/* About Page Specifics */
.about-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-5xl);
}

.about-intro h2 {
    margin-bottom: var(--space-lg);
}

.about-intro p {
    font-size: var(--text-lg);
    line-height: 1.8;
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-5xl);
    text-align: center;
}

.value-item h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.about-founder {
    background-color: var(--color-off-white);
    padding: var(--space-4xl) var(--space-xl);
    text-align: center;
    margin-bottom: var(--space-5xl);
    border-radius: 4px;
}

.founder-quote {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-style: italic;
    margin-bottom: var(--space-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Contact Page Specifics */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    margin-bottom: var(--space-5xl);
}

.contact-info p {
    margin-bottom: var(--space-lg);
}

.contact-hours,
.contact-social {
    margin-top: var(--space-xl);
}

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

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-family: var(--font-body);
}

.submit-btn {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: var(--space-md) var(--space-2xl);
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: background-color var(--transition-fast);
}

.submit-btn:hover {
    background-color: var(--color-black);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .about-values {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .page-title {
        font-size: var(--text-3xl);
    }

    .page-hero {
        height: 40vh;
        min-height: 300px;
    }
}