/* ============================================
   Herr Balloons — Clean Minimalist Style
   Palette: Plum (#6B2D5B) + Amber (#D4A017)
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --plum-900: #1a0a16;
    --plum-800: #2d1226;
    --plum-700: #4a1d3f;
    --plum-600: #6B2D5B;
    --plum-500: #8B3D7B;
    --plum-400: #b05a9e;
    --plum-300: #d4a0c4;
    --plum-200: #e8c8dd;
    --plum-100: #f5e4f0;
    --plum-50: #faf2f7;

    --amber-600: #b8860b;
    --amber-500: #D4A017;
    --amber-400: #e0b030;
    --amber-300: #ecd060;
    --amber-200: #f5e4a0;
    --amber-100: #faf3d0;

    --white: #ffffff;
    --off-white: #faf9f7;
    --cream: #f7f4f0;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.6s ease;
}

/* --- Reset & Base --- */
*, *::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(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* --- Section Labels --- */
.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--plum-600);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 560px;
    line-height: 1.8;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--plum-600);
    color: var(--white);
    border-color: var(--plum-600);
}

.btn-primary:hover {
    background-color: var(--plum-700);
    border-color: var(--plum-700);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(107, 45, 91, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--plum-600);
    border-color: var(--white);
}

.btn-full {
    width: 100%;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: transparent;
    transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: 0 1px 0 var(--gray-200);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-mark {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--white);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid rgba(212, 160, 23, 0.7);
    border-radius: var(--radius-sm);
    transition: color var(--transition-base), border-color var(--transition-base);
}

.navbar.scrolled .logo-mark {
    color: var(--plum-600);
    border-color: var(--plum-600);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--white);
    letter-spacing: 0.02em;
    transition: color var(--transition-base);
}

.navbar.scrolled .logo-text {
    color: var(--plum-600);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--amber-500);
    transition: width var(--transition-base);
}

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

.nav-links a:hover {
    color: var(--white);
}

.navbar.scrolled .nav-links a {
    color: var(--gray-500);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--plum-600);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.hamburger {
    display: block;
    width: 22px;
    height: 1.5px;
    background-color: var(--white);
    transition: all var(--transition-base);
}

.navbar.scrolled .hamburger {
    background-color: var(--plum-600);
}

.nav-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(5px, 4px);
}

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

.nav-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -4px);
}

/* --- Hero --- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(26, 10, 22, 0.82) 0%,
        rgba(107, 45, 91, 0.70) 50%,
        rgba(45, 18, 38, 0.80) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    padding: 0 var(--spacing-lg);
}

.hero-eyebrow {
    font-family: var(--font-body);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--amber-400);
    margin-bottom: var(--spacing-md);
}

.hero-headline {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.hero-sub {
    font-size: 1.1rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* --- About --- */
.about {
    padding: var(--spacing-4xl) 0;
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -12px;
    left: -12px;
    right: 12px;
    bottom: 12px;
    border: 1px solid var(--plum-300);
    border-radius: var(--radius-md);
    z-index: -1;
}

.about-content {
    padding: var(--spacing-lg) 0;
}

.about-text {
    font-size: 1rem;
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
}

.about-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 500;
    color: var(--plum-600);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-500);
}

/* --- Services --- */
.services {
    padding: var(--spacing-4xl) 0;
    background-color: var(--cream);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header .section-subtitle {
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--white);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--plum-200);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(107, 45, 91, 0.08);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--plum-200);
    border-radius: var(--radius-sm);
    color: var(--plum-600);
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.8;
}

/* --- Gallery --- */
.gallery {
    padding: var(--spacing-4xl) 0;
    background-color: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--radius-md);
    aspect-ratio: auto;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-slow);
}

.gallery-item:nth-child(1) img,
.gallery-item:nth-child(3) img,
.gallery-item:nth-child(5) img {
    aspect-ratio: 3/4;
}

.gallery-item:nth-child(2) img,
.gallery-item:nth-child(4) img,
.gallery-item:nth-child(6) img {
    aspect-ratio: 1;
}

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

/* --- Testimonial --- */
.testimonial {
    padding: var(--spacing-4xl) 0;
    background-color: var(--plum-800);
    text-align: center;
}

.testimonial-content {
    max-width: 700px;
    margin: 0 auto;
}

.testimonial-quote {
    color: var(--amber-500);
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
}

.testimonial blockquote {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.5;
    color: var(--white);
    margin-bottom: var(--spacing-lg);
}

.testimonial-source {
    font-size: 0.8125rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--amber-400);
}

/* --- Contact --- */
.contact {
    padding: var(--spacing-4xl) 0;
    background-color: var(--cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.contact-intro {
    font-size: 1rem;
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.contact-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    color: var(--plum-600);
    flex-shrink: 0;
}

.contact-label {
    display: block;
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item p {
    font-size: 0.9375rem;
    color: var(--gray-700);
    line-height: 1.6;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: var(--plum-600);
}

/* --- Contact Form --- */
.contact-form-wrapper {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 1px solid var(--gray-200);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--gray-800);
    background-color: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--plum-400);
    box-shadow: 0 0 0 3px rgba(107, 45, 91, 0.08);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-400);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-success {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--plum-50);
    border: 1px solid var(--plum-200);
    border-radius: var(--radius-sm);
    color: var(--plum-700);
    font-size: 0.9375rem;
    margin-top: var(--spacing-sm);
}

.form-success.show {
    display: flex;
}

/* --- Map --- */
.map-section {
    border-top: 1px solid var(--gray-200);
}

.map-container {
    min-height: 400px;
}

.map-container iframe {
    width: 100%;
    height: 400px;
}

/* --- Footer --- */
.footer {
    background-color: var(--plum-900);
    color: rgba(255, 255, 255, 0.6);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-mark {
    color: var(--amber-500);
    border-color: var(--amber-500);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-tagline {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.5);
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--amber-400);
}

.footer-contact p {
    font-size: 0.875rem;
    line-height: 1.8;
    margin-bottom: 4px;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--amber-400);
}

.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

/* --- Mobile Menu --- */
.nav-links.mobile-open {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--white);
    flex-direction: column;
    padding: var(--spacing-xl);
    gap: var(--spacing-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
}

.nav-links.mobile-open.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

.nav-links.mobile-open a {
    color: var(--gray-700);
    font-size: 0.9375rem;
}

.nav-links.mobile-open a:hover {
    color: var(--plum-600);
}

/* --- Scroll Animations (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }

    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Default visible state for reduced-motion / no-JS */
.fade-in {
    opacity: 1;
    transform: none;
}

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

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xl);
    }
}

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

    .nav-links {
        display: none;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-image {
        order: -1;
    }

    .about-image img {
        height: 350px;
    }

    .about-image::before {
        top: -8px;
        left: -8px;
        right: 8px;
        bottom: 8px;
    }

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

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

    .gallery-item:nth-child(1) img,
    .gallery-item:nth-child(3) img,
    .gallery-item:nth-child(5) img {
        aspect-ratio: 3/4;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-stats {
        gap: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

    .gallery-item:nth-child(1) img,
    .gallery-item:nth-child(3) img,
    .gallery-item:nth-child(5) img,
    .gallery-item:nth-child(2) img,
    .gallery-item:nth-child(4) img,
    .gallery-item:nth-child(6) img {
        aspect-ratio: 4/3;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }
}