/* ===== CSS Variables - 洗練されたカラーパレット ===== */
:root {
    /* Primary Colors - 深みのあるグリーン */
    --primary-dark: #1a2f1a;
    --primary: #2d4a2d;
    --primary-light: #3d6b3d;
    --primary-muted: #4a7c4a;

    /* Accent Colors - 上品なゴールド */
    --accent: #c9a96e;
    --accent-light: #dbc291;
    --accent-dark: #a68a4b;

    /* Neutral Colors - 洗練されたグレー階調 */
    --white: #ffffff;
    --off-white: #fafafa;
    --cream: #f7f5f0;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    --gradient-accent: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 100%);
    --gradient-soft: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
    --gradient-hero: linear-gradient(135deg, rgba(26, 47, 26, 0.03) 0%, rgba(201, 169, 110, 0.05) 100%);

    /* Typography */
    --font-primary: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Spacing - 大胆な余白 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;

    /* Shadows - より洗練されたシャドウ */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(201, 169, 110, 0.15);

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 0.2s var(--ease-smooth);
    --transition-normal: 0.3s var(--ease-smooth);
    --transition-slow: 0.5s var(--ease-smooth);
}

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

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

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.8;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
    letter-spacing: 0.02em;
}

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

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

/* ===== Utility Classes ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--font-weight-bold);
    color: var(--primary-dark);
    margin-bottom: var(--space-md);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    font-weight: var(--font-weight-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== Buttons - 洗練されたスタイル ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: 1rem 2.5rem;
    border: none;
    border-radius: var(--radius-full);
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.04em;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn:hover::before {
    opacity: 1;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 4px 20px rgba(45, 74, 45, 0.25);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), 0 8px 30px rgba(45, 74, 45, 0.35);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    box-shadow: none;
}

.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.btn-full {
    width: 100%;
}

/* ===== Header - ミニマルでエレガント ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(45, 74, 45, 0.06);
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 88px;
}

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

.logo-img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-dark);
    letter-spacing: 0.02em;
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    position: relative;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    color: var(--gray-600);
    padding: var(--space-xs) 0;
    transition: var(--transition-normal);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 100%;
    height: 2px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-dark);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: var(--space-xs);
}

.nav-toggle .bar {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}

/* ===== Hero Section - 圧倒的なインパクト ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--cream);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse 80% 50% at 20% 80%, rgba(45, 74, 45, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 20%, rgba(201, 169, 110, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse 100% 80% at 50% 0%, rgba(247, 245, 240, 0.5) 0%, transparent 70%);
    z-index: 1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 180%;
    background: radial-gradient(ellipse, rgba(201, 169, 110, 0.04) 0%, transparent 60%);
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(45, 74, 45, 0.03) 0%, transparent 60%);
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) rotate(0deg);
    }

    33% {
        transform: translate(20px, -20px) rotate(1deg);
    }

    66% {
        transform: translate(-10px, 10px) rotate(-1deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--space-lg);
    padding-top: 88px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: var(--font-weight-bold);
    color: var(--primary-dark);
    margin-bottom: var(--space-md);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.hero-title br {
    display: block;
}

.hero-subtitle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.125rem;
    font-weight: var(--font-weight-medium);
    color: var(--accent-dark);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.1em;
}

.hero-subtitle::before,
.hero-subtitle::after {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--accent);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
    line-height: 2;
    font-weight: var(--font-weight-light);
}

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

/* Scroll indicator */
.hero::after {
    content: '';
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--primary), transparent);
    animation: scroll-hint 2s ease-in-out infinite;
    z-index: 2;
}

@keyframes scroll-hint {

    0%,
    100% {
        opacity: 0.3;
        height: 60px;
    }

    50% {
        opacity: 1;
        height: 80px;
    }
}

/* ===== About Section - 洗練されたカード ===== */
.about {
    padding: var(--space-3xl) 0;
    background: var(--white);
    position: relative;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

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

.about-item {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    border-radius: var(--radius-xl);
    background: var(--white);
    border: 1px solid var(--gray-100);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.about-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

.about-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.about-item:hover::before {
    transform: scaleX(1);
}

.about-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--gradient-soft);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--primary);
    font-size: 1.75rem;
    transition: var(--transition-normal);
}

.about-item:hover .about-icon {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    transform: scale(1.05);
}

.about-item h3 {
    font-size: 1.375rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-dark);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.about-item p {
    color: var(--gray-500);
    line-height: 1.9;
    font-size: 0.9375rem;
}

/* ===== History Section - エレガントなストーリーテリング ===== */
.history {
    padding: var(--space-3xl) 0;
    background: var(--cream);
    position: relative;
    overflow: hidden;
}

.history::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(201, 169, 110, 0.06) 0%, transparent 60%);
    pointer-events: none;
}

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

.history-text .section-title {
    text-align: left;
    margin-bottom: var(--space-md);
}

.history-year {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-weight: var(--font-weight-semibold);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.history-text p {
    margin-bottom: var(--space-md);
    line-height: 2;
    color: var(--gray-600);
    font-size: 1rem;
}

.history-text p:last-child {
    margin-bottom: 0;
}

.history-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image {
    width: 100%;
    aspect-ratio: 4/3;
    background-image: url('/images/back.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.placeholder-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(45, 74, 45, 0.1) 0%, transparent 100%);
    border-radius: inherit;
}

/* ===== Products Section - モダンなプレゼンテーション ===== */
.products {
    padding: var(--space-3xl) 0;
    background: var(--white);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
    max-width: 900px;
    margin: 0 auto;
}

.product-item {
    text-align: center;
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    background: var(--gradient-soft);
    border: 1px solid var(--gray-100);
    transition: var(--transition-normal);
    position: relative;
}

.product-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.product-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-lg);
    color: var(--primary);
    font-size: 2rem;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.product-item:hover .product-icon {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    transform: scale(1.05) rotate(-3deg);
}

.product-item h3 {
    font-size: 1.5rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-dark);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.product-item p {
    color: var(--gray-500);
    margin-bottom: var(--space-lg);
    line-height: 1.8;
}

/* ===== Contact Section - プロフェッショナルで温かみ ===== */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--cream);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(45, 74, 45, 0.02), transparent);
    pointer-events: none;
}

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

.contact-info .section-title {
    text-align: left;
    margin-bottom: var(--space-md);
}

.contact-description {
    font-size: 1.0625rem;
    color: var(--gray-500);
    margin-bottom: var(--space-xl);
    line-height: 1.9;
}

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

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

.contact-item i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--white);
    color: var(--primary);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-md);
    font-size: 1rem;
    flex-shrink: 0;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-xs);
}

.contact-item:hover i {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: transparent;
    transform: scale(1.05);
}

.contact-item h4 {
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    color: var(--primary-dark);
    margin-bottom: 4px;
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

.contact-item p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 0.9375rem;
}

.contact-item a {
    color: var(--primary);
    font-weight: var(--font-weight-medium);
    transition: var(--transition-fast);
}

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

/* ===== Form Styles - 洗練されたフォーム ===== */
.form {
    background: var(--white);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-100);
}

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

.form-group label {
    display: block;
    font-weight: var(--font-weight-medium);
    color: var(--primary-dark);
    margin-bottom: var(--space-xs);
    font-size: 0.875rem;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-normal);
    background: var(--white);
    color: var(--gray-700);
}

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

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--gray-300);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(45, 74, 45, 0.08);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.8;
}

/* ===== Footer - エレガントなクロージング ===== */
.footer {
    background: var(--primary-dark);
    color: var(--white);
    padding: var(--space-2xl) 0 var(--space-lg);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
}

.footer-content {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.footer-logo-img {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-full);
    object-fit: cover;
    box-shadow: var(--shadow-sm);
}

.footer-logo span {
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.02em;
}

.footer-text {
    max-width: 560px;
    margin: 0 auto;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
    font-size: 0.9375rem;
    font-weight: var(--font-weight-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8125rem;
    letter-spacing: 0.02em;
}

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

    .about-item:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
}

@media screen and (max-width: 768px) {
    :root {
        --space-2xl: 4rem;
        --space-3xl: 6rem;
    }

    /* Navigation */
    .nav-container {
        height: 72px;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        height: calc(100vh - 72px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: var(--space-2xl);
        gap: var(--space-lg);
        transform: translateX(-100%);
        transition: var(--transition-normal);
        z-index: 999;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

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

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

    /* Hero */
    .hero-content {
        padding: var(--space-md);
        padding-top: 72px;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    .hero-subtitle::before,
    .hero-subtitle::after {
        width: 24px;
    }

    /* About */
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .about-item:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

    .about-item {
        padding: var(--space-xl) var(--space-lg);
    }

    /* History */
    .history-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .history-image {
        order: -1;
    }

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

    .history-text {
        text-align: center;
    }

    /* Products */
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

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

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

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

    .form {
        padding: var(--space-xl);
    }
}

@media screen and (max-width: 480px) {
    :root {
        --space-lg: 1.5rem;
        --space-xl: 2.5rem;
        --space-2xl: 3rem;
        --space-3xl: 4rem;
    }

    .container {
        padding: 0 var(--space-md);
    }

    .nav-container {
        padding: 0 var(--space-md);
    }

    .hero-content {
        padding: var(--space-sm);
        padding-top: 72px;
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .about-item,
    .product-item {
        padding: var(--space-lg);
    }

    .form {
        padding: var(--space-lg);
    }

    .logo-text {
        font-size: 1rem;
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.875rem;
    }
}

/* ===== Animation Classes ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s var(--ease-smooth) forwards;
}

.fade-in {
    animation: fadeIn 0.6s var(--ease-smooth) forwards;
}

/* Staggered animation for grid items */
.about-item:nth-child(1) {
    animation-delay: 0.1s;
}

.about-item:nth-child(2) {
    animation-delay: 0.2s;
}

.about-item:nth-child(3) {
    animation-delay: 0.3s;
}

.product-item:nth-child(1) {
    animation-delay: 0.1s;
}

.product-item:nth-child(2) {
    animation-delay: 0.2s;
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .hero-background::before,
    .hero-background::after,
    .hero::after {
        animation: none;
    }
}

/* Focus styles for accessibility */
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-dark: #0d1a0d;
        --gray-500: #4a4a4a;
    }

    .about-item,
    .product-item,
    .form {
        border-width: 2px;
    }
}