:root {
    --bg: #ffffff;
    --bg-soft: #f5f5f7;
    --text: #1d1d1f;
    --muted: #6e6e73;
    --border: #d2d2d7;
    --accent: #7252a5;
    --accent-red: #e31414;
    --radius: 20px;
    --container: 1080px;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0
}

body {
    background: #ffffff;
    font-family: 'Proxima Nova', Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6,
.logo,
.eyebrow {
    font-family: 'Gotham Pro', 'Gotham', sans-serif;
}

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

/* Layout */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px
}

section {
    padding: 120px 0
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, .75);
    backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid var(--border);
}

.nav-inner {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    height: 80px;
    display: block;
    max-width: 100%;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 28px;
    font-size: 13px;
    color: var(--muted)
}

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

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 12px;
    font-size: 11px;
    font-weight: 600;
}

.lang-switcher button {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--muted);
    padding: 0;
    font-size: 11px;
    font-weight: 600;
    transition: color 0.2s;
}

.lang-switcher button:hover {
    color: var(--text);
}

.lang-switcher button.active {
    color: var(--accent-red);
}

.lang-switcher span {
    color: var(--border);
    user-select: none;
}

.nav-cta {
    padding: 8px 16px;
    border-radius: 999px;
    border: none;
    background: var(--accent-red);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.nav-cta:hover {
    opacity: 0.9;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text);
    transition: all 0.3s ease;
}

/* Toggle Animation */
.menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* Hero */
.hero {
    padding-top: 140px;
    text-align: center
}

.eyebrow {
    color: var(--accent-red);
    font-weight: 500;
    font-size: 13px;
    margin-bottom: 14px;
    text-transform: uppercase;
    letter-spacing: .08em
}

.hero h1 {
    font-size: 52px;
    line-height: 1.08;
    font-weight: 600;
    margin-bottom: 20px;
    letter-spacing: -0.01em
}

.hero h2 {
    font-size: 28px;
    font-weight: 400;
    color: var(--accent);
    margin-bottom: 24px
}

.hero p {
    max-width: 760px;
    margin: 0 auto 44px;
    color: var(--muted);
    font-size: 17px
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 64px
}

.btn-primary,
.btn-secondary {
    padding: 14px 26px;
    border-radius: 999px;
    font-size: 16px;
    cursor: pointer
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none
}

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border)
}

.hero-visual {
    max-width: 600px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual img {
    width: 100%;
    height: auto;
    display: block;
}

/* Section header */
.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 80px
}

.section-head h2 {
    font-size: 44px;
    font-weight: 600;
    margin-bottom: 16px
}

.section-head p {
    color: var(--muted);
    font-size: 18px
}

/* About */
.about {
    background: var(--bg-soft)
}

.about-intro {
    margin-bottom: 64px;
}

.about-intro strong {
    color: var(--accent);
}

.about h3 {
    font-size: 30px;
    margin-bottom: 18px;
    letter-spacing: -0.01em
}

.about p {
    color: var(--muted)
}

.features-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.feature-box {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    flex-basis: 260px;
    max-width: 320px;
    text-align: center;
    align-items: center;
}

.feature-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-red);
    margin-bottom: 8px;
}

.feature-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.04);
    border-color: var(--accent);
}

.feature-box strong {
    color: var(--text);
    font-size: 16px;
    display: block;
}

.feature-box span {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.4;
}

.list {
    list-style: none
}

.list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    color: var(--muted);
    font-size: 14px;
}

.list li:last-child {
    border: none
}

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 48px
}

.benefit h4 {
    font-size: 20px;
    margin-bottom: 8px
}

.benefit p {
    color: var(--muted)
}

/* Products */
.products {
    background: var(--bg-soft)
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px
}

.product {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden
}

.product-visual {
    aspect-ratio: 4/3;
    background: var(--bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--muted)
}

.product-body {
    padding: 40px
}

.product h3 {
    font-size: 26px;
    margin-bottom: 10px
}

.product span {
    color: var(--accent);
    font-weight: 600;
    font-size: 13px
}

.product p {
    color: var(--muted);
    margin: 16px 0 24px
}

.specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    font-size: 13px
}

.specs div strong {
    display: block;
    color: var(--text)
}

.product-main-visual {
    max-width: 800px;
    margin: 0 auto 64px;
    text-align: center;
}

.product-main-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    display: block;
}

/* CTA */
.cta {
    background: var(--text);
    color: #fff;
    text-align: center
}

.cta h2 {
    font-size: 44px;
    margin-bottom: 16px
}

.cta p {
    opacity: .8;
    font-size: 18px;
    margin-bottom: 48px
}

.contact-form {
    max-width: 500px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.1);
}

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

.submit-button {
    width: 100%;
    padding: 16px;
    border-radius: 999px;
    border: none;
    background: var(--accent);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.submit-button:hover {
    opacity: 0.9;
}

#form-status {
    margin-top: 20px;
    padding: 12px;
    border-radius: 8px;
    display: none;
    font-size: 14px;
    text-align: center;
}

#form-status.success {
    display: block;
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.2);
}

#form-status.error {
    display: block;
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.contact-alt {
    margin-top: 32px;
    font-size: 14px;
    opacity: 0.6;
}

.contact-alt a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 4px;
    transition: opacity 0.2s;
}

.contact-alt a:hover {
    opacity: 0.8;
}

/* Footer */
footer {
    background: var(--text);
    padding: 20px 0;
    text-align: center;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-bottom {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

/* Responsive */
@media(max-width:900px) {
    .nav-inner {
        position: relative;
        justify-content: center;
    }

    .menu-toggle {
        display: flex;
        position: absolute;
        right: 24px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: #fff;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 32px;
        transition: 0.4s ease;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1000;
        font-size: 18px;
    }

    .nav-links.active {
        right: 0;
    }

    .lang-switcher {
        margin-left: 0;
        font-size: 14px;
    }

    .lang-switcher button {
        font-size: 14px;
    }

    .about-grid,
    .product-grid {
        grid-template-columns: 1fr
    }

    .hero h1 {
        font-size: 40px
    }

    .section-head h2 {
        font-size: 34px
    }
}