/*
 * Jung Tailor - Stylesheet
 *
 * Design Philosophy:
 * - Minimalist and elegant, inspired by luxury fashion houses
 * - Generous white space for a calm, confident feel
 * - Neutral color palette: ivory, charcoal, deep navy, warm gray
 * - Typography: Playfair Display (serif) for headings, Inter (sans-serif) for body
 * - Subtle transitions and hover effects
 */

/* ==========================================
   CSS Custom Properties (Design Tokens)
   ========================================== */
:root {
    /* Colors - Neutral luxury palette */
    --color-ivory: #FDFBF7;
    --color-cream: #F5F3EE;
    --color-warm-gray: #9A9590;
    --color-charcoal: #3D3D3D;
    --color-soft-black: #1A1A1A;
    --color-deep-navy: #1C2536;

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

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;

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

    /* Layout */
    --max-width: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-charcoal);
    background-color: var(--color-ivory);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-soft-black);
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    letter-spacing: 0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: 0.01em;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h4 {
    font-size: 1.125rem;
    font-weight: 500;
}

p {
    margin-bottom: 1em;
}

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

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

a:hover {
    color: var(--color-soft-black);
}

/* ==========================================
   Layout
   ========================================== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

/* Subtle decorative line under section titles */
.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background-color: var(--color-warm-gray);
    margin: var(--spacing-sm) auto 0;
}

/* ==========================================
   Navigation
   ========================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background-color: rgba(253, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: box-shadow var(--transition-base);
}

.nav.scrolled {
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--color-soft-black);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-charcoal);
    position: relative;
    padding: var(--spacing-xs) 0;
}

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

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

/* Mobile navigation toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--color-soft-black);
    transition: var(--transition-fast);
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background-color: var(--color-soft-black);
    color: var(--color-ivory);
    border-color: var(--color-soft-black);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-soft-black);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--color-cream);
    padding: var(--nav-height) var(--spacing-md) var(--spacing-lg);
}

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

.hero-title {
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 1s ease;
}

.hero-tagline {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--color-warm-gray);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.2s both;
}

.hero .btn {
    animation: fadeInUp 1s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   About Section
   ========================================== */
.about {
    background-color: var(--color-ivory);
}

.about-intro {
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    text-align: center;
    font-size: 1.125rem;
}

.about-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.pillar {
    text-align: center;
    padding: var(--spacing-md);
}

.pillar h3 {
    margin-bottom: var(--spacing-sm);
}

.pillar p {
    color: var(--color-warm-gray);
    font-size: 0.9375rem;
}

/* ==========================================
   Services Section
   ========================================== */
.services {
    background-color: var(--color-cream);
}

.service-category {
    margin-bottom: var(--spacing-xl);
}

.service-category:last-child {
    margin-bottom: 0;
}

.category-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-warm-gray);
    font-family: var(--font-body);
    font-weight: 400;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-item {
    background-color: var(--color-ivory);
    padding: var(--spacing-md);
    transition: transform var(--transition-base);
}

.service-item:hover {
    transform: translateY(-4px);
}

.service-item h4 {
    margin-bottom: var(--spacing-xs);
}

.service-item p {
    color: var(--color-warm-gray);
    font-size: 0.9375rem;
}

/* ==========================================
   Process Section
   ========================================== */
.process {
    background-color: var(--color-ivory);
}

.process-intro {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    color: var(--color-warm-gray);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
}

.step-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--color-cream);
    -webkit-text-stroke: 1px var(--color-warm-gray);
    margin-bottom: var(--spacing-sm);
}

.step h3 {
    margin-bottom: var(--spacing-xs);
}

.step p {
    color: var(--color-warm-gray);
    font-size: 0.9375rem;
}

/* ==========================================
   Gallery Section
   ========================================== */
.gallery {
    background-color: var(--color-cream);
}

.gallery-intro {
    text-align: center;
    color: var(--color-warm-gray);
    margin-bottom: var(--spacing-lg);
}

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

.gallery-item {
    aspect-ratio: 4/3;
    overflow: hidden;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    background-color: var(--color-charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-slow);
}

.gallery-placeholder span {
    color: var(--color-ivory);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.7;
}

.gallery-item:hover .gallery-placeholder {
    transform: scale(1.05);
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background-color: var(--color-ivory);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    max-width: 900px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.contact-info address {
    font-style: normal;
    margin-bottom: var(--spacing-md);
    color: var(--color-warm-gray);
}

.contact-detail {
    margin-bottom: var(--spacing-sm);
}

.contact-detail .label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-warm-gray);
    margin-bottom: 0.25rem;
}

.contact-detail a {
    color: var(--color-soft-black);
}

.contact-detail a:hover {
    text-decoration: underline;
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-warm-gray);
}

.form-group input,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 0.875rem;
    border: 1px solid var(--color-cream);
    background-color: var(--color-cream);
    color: var(--color-charcoal);
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-warm-gray);
    background-color: var(--color-ivory);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: var(--color-soft-black);
    color: var(--color-warm-gray);
    padding: var(--spacing-md) 0;
    text-align: center;
}

.footer p {
    font-size: 0.875rem;
    letter-spacing: 0.05em;
}

/* ==========================================
   Responsive Design
   ========================================== */

/* Tablet */
@media (max-width: 900px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .contact-info {
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 4rem;
    }

    /* Mobile Navigation */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background-color: var(--color-ivory);
        flex-direction: column;
        align-items: center;
        padding: var(--spacing-md);
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        width: 100%;
        text-align: center;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-sm);
    }

    /* Mobile toggle animation */
    .nav-toggle.active span:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    /* Gallery */
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    /* Process steps */
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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