/* ========================================
   LA-ROUX - Jewelry Website Styles
   ======================================== */

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

:root {
    --color-primary: #1a1a1a;
    --color-secondary: #8b7355;
    --color-accent: #c9a86c;
    --color-light: #f8f6f3;
    --color-white: #ffffff;
    --color-text: #333333;
    --color-text-light: #666666;

    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Noto Sans JP', sans-serif;

    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--color-text);
    line-height: 1.8;
    background-color: var(--color-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* ========================================
   Typography
   ======================================== */
.section-label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.3em;
    color: var(--color-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.section-label.center {
    text-align: center;
}

.section-label.light {
    color: var(--color-accent);
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin-bottom: 2rem;
    line-height: 1.4;
}

.section-title.center {
    text-align: center;
}

.section-title.light {
    color: var(--color-white);
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary {
    display: inline-block;
    padding: 14px 40px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-secondary {
    display: inline-block;
    padding: 14px 40px;
    background-color: transparent;
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: 1px solid var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
}

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-menu a {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 1px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 300;
    letter-spacing: 0.1em;
    line-height: 1.2;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1rem;
    color: var(--color-text-light);
    letter-spacing: 0.2em;
    margin-bottom: 3rem;
}

.hero-image {
    height: 100vh;
    overflow: hidden;
}

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

/* ========================================
   Concept Section
   ======================================== */
.concept {
    padding: 120px 0;
    background-color: var(--color-light);
}

.concept-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.concept-description {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    line-height: 2;
}

.concept-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

/* ========================================
   Collection Section
   ======================================== */
.collection {
    padding: 120px 0;
}

.collection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.collection-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.collection-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.collection-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.collection-overlay span {
    font-family: var(--font-display);
    color: var(--color-white);
    font-size: 0.875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: 1px solid var(--color-white);
    padding: 10px 20px;
}

.collection-item:hover img {
    transform: scale(1.1);
}

.collection-item:hover .collection-overlay {
    opacity: 1;
}

.collection-cta {
    text-align: center;
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 120px 0;
    background-color: var(--color-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.about-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.info-item h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--color-secondary);
}

.info-item p {
    margin: 0;
    font-size: 0.9375rem;
}

/* Designer Section */
.designer-section {
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.designer-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: start;
}

.designer-image img {
    width: 100%;
    border-radius: 4px;
}

.designer-name {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.designer-content p {
    color: var(--color-text-light);
    margin-bottom: 1rem;
    line-height: 1.9;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 120px 0;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-item svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

.contact-item h4 {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    color: var(--color-accent);
}

.contact-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9375rem;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.8);
}

.contact-item a:hover {
    color: var(--color-accent);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    margin-bottom: 8px;
    color: var(--color-accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background-color: var(--color-primary);
}

.contact-form .btn-primary {
    align-self: flex-start;
    background-color: var(--color-accent);
    color: var(--color-primary);
}

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

.contact-form .btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-message {
    margin-top: 20px;
    padding: 15px 20px;
    border-radius: 4px;
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid #4caf50;
}

.form-message.error {
    display: block;
    background-color: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: 60px 0 30px;
    background-color: #0d0d0d;
    color: var(--color-white);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 30px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    letter-spacing: 0.2em;
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    letter-spacing: 0.1em;
    margin-top: 5px;
}

.footer-social {
    display: flex;
    gap: 20px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    text-align: center;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.1em;
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .concept-grid,
    .about-grid,
    .contact-grid {
        gap: 50px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transform: translateX(100%);
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .hero-content {
        padding: 120px 30px 60px;
        text-align: center;
        align-items: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-image {
        height: 50vh;
    }

    .concept-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .concept-image {
        order: -1;
    }

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

    .about-info {
        grid-template-columns: 1fr;
    }

    .designer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .designer-image {
        max-width: 250px;
        margin: 0 auto;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .btn-primary,
    .btn-secondary {
        padding: 12px 30px;
        font-size: 0.8rem;
    }
}