:root {
    --text: #2d2a3e;
    --text-muted: #6e6880;
    --bg-soft: #faf8fc;
    --accent-warm: #b8756a;
    --accent-cool: #7b6b8a;
    --accent-blue: #4a6fa5;
    --gradient-brand:
        radial-gradient(circle at 1px 1px, rgba(120,120,160,0.18) 1px, transparent 1.5px) 0 0 / 8px 8px,
        linear-gradient(110deg,
            #e8d9f0 0%, #f2d9e4 18%, #fae4d4 38%, #f5ecd6 52%,
            #d6ecdc 72%, #d4dff0 88%, #e0d4ef 100%);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    color: var(--text);
    background: var(--bg-soft);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main { flex: 1; }

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: background 0.4s, backdrop-filter 0.4s, box-shadow 0.4s;
}
.site-header.scrolled {
    background: rgba(250, 248, 252, 0.82);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 1px 0 rgba(45, 42, 62, 0.06);
}
.site-header .logo {
    height: 80px;
    transition: opacity 0.2s;
}
.site-header .logo:hover { opacity: 0.65; }

.nav-link-custom {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--text);
    text-decoration: none;
    padding: 0.45rem 1rem;
    border-radius: 100px;
    transition: background 0.25s, color 0.25s;
    letter-spacing: -0.01em;
}
.nav-link-custom:hover {
    background: rgba(45, 42, 62, 0.06);
    color: var(--text);
}
.nav-link-custom.active {
    background: rgba(45, 42, 62, 0.08);
}
.nav-cta {
    background: #fff;
    color: var(--accent-blue) !important;
    font-weight: 600;
    padding: 0.5rem 1.3rem;
    border: 1px solid rgba(74, 111, 165, 0.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.nav-cta:hover {
    background: #fff;
    box-shadow: 0 4px 16px rgba(74, 111, 165, 0.15);
    color: #3a5a8a !important;
}

.hamburger-btn {
    border: none;
    background: none;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
}

/* ===== HERO (homepage) ===== */
.hero {
    min-height: 100vh;
    min-height: 100dvh;
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 0 4rem;
}

.hero::after {
    content: '';
    position: absolute;
    right: -5%;
    top: 15%;
    width: 55%;
    height: 70%;
    background: radial-gradient(ellipse, rgba(184, 117, 106, 0.1) 0%, rgba(123, 107, 138, 0.06) 40%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.hero-title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: clamp(2rem, 4.8vw, 3rem);
    line-height: 1.12;
    color: var(--text);
    letter-spacing: -0.025em;
    margin-bottom: 2rem;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--accent-blue);
    background: #fff;
    border: 1px solid rgba(74, 111, 165, 0.15);
    padding: 1.05rem 2.4rem;
    border-radius: 100px;
    text-decoration: none;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    letter-spacing: 0.005em;
}
.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 36px rgba(74, 111, 165, 0.2);
    color: #3a5a8a;
}
.btn-cta svg {
    transition: transform 0.3s;
}
.btn-cta:hover svg {
    transform: translateX(3px);
}

.hero-product {
    position: relative;
    z-index: 1;
}
.hero-product img {
    width: 100%;
    max-width: 480px;
    filter:
        drop-shadow(0 30px 60px rgba(45, 42, 62, 0.14))
        drop-shadow(0 12px 24px rgba(45, 42, 62, 0.08));
    animation: float 7s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(-0.5deg); }
    50% { transform: translateY(-20px) rotate(0.5deg); }
}

/* ===== FADE ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(32px);
    animation: fadeUp 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.fade-up-d1 { animation-delay: 0.12s; }
.fade-up-d2 { animation-delay: 0.24s; }
.fade-up-d3 { animation-delay: 0.36s; }
.fade-up-d4 { animation-delay: 0.5s; }

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

/* ===== PROMISE BAR ===== */
.promise-section {
    padding: 5rem 0;
    background: var(--bg-soft);
    position: relative;
}
.promise-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45, 42, 62, 0.08), transparent);
}

.promise-card {
    background: #fff;
    border: 1px solid rgba(45, 42, 62, 0.05);
    border-radius: 20px;
    padding: 2.2rem 1.6rem 2rem;
    text-align: center;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s;
    height: 100%;
    position: relative;
    overflow: hidden;
}
.promise-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cool));
    opacity: 0;
    transition: opacity 0.3s;
}
.promise-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(45, 42, 62, 0.08);
}
.promise-card:hover::before {
    opacity: 1;
}

.promise-icon {
    width: 62px;
    height: 62px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cool));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.3rem;
    box-shadow: 0 4px 16px rgba(74, 111, 165, 0.2);
}
.promise-icon img {
    width: 28px;
    height: 28px;
}

.promise-card h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}
.promise-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0;
    line-height: 1.55;
    font-weight: 400;
}

/* ===== PAGE HEADER (subpages) ===== */
.page-hero {
    background: var(--gradient-brand);
    padding: 8rem 0 3rem;
}
.page-hero h1 {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: clamp(2rem, 4vw, 2.8rem);
    letter-spacing: -0.025em;
    color: var(--text);
    margin: 0;
}
.page-hero p,
.page-hero .lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin: 0.75rem 0 0;
    max-width: 560px;
}
.page-hero a {
    color: var(--accent-blue);
}

/* ===== PAGE CONTENT ===== */
.page-content {
    padding: 3.5rem 0 5rem;
}

/* Usage page: step cards */
.step-card {
    background: #fff;
    border: 1px solid rgba(45, 42, 62, 0.05);
    border-radius: 20px;
    padding: 1.5rem;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.25rem;
    transition: transform 0.3s, box-shadow 0.3s;
}
.step-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(45, 42, 62, 0.06);
}
.step-card .step-img {
    flex-shrink: 0;
    width: 140px;
    height: 140px;
    border-radius: 14px;
    overflow: hidden;
    background: var(--bg-soft);
    display: flex;
    align-items: center;
    justify-content: center;
}
.step-card .step-img img {
    max-width: 120px;
    max-height: 120px;
    object-fit: contain;
}
.step-card h3 {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text);
}
.step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.55;
}

.side-effects h4 {
    font-weight: 600;
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 1rem;
}
.side-effects ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.side-effects li {
    position: relative;
    padding: 0.6rem 0 0.6rem 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.55;
    border-bottom: 1px solid rgba(45, 42, 62, 0.04);
}
.side-effects li:last-child { border-bottom: none; }
.side-effects li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-cool));
}

/* Return page: accordion */
.page-content h2 {
    font-weight: 600;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}
.page-content h5 {
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 1rem;
}

.accordion {
    --bs-accordion-border-color: rgba(45, 42, 62, 0.06);
    --bs-accordion-border-radius: 16px;
    --bs-accordion-inner-border-radius: 14px;
    --bs-accordion-btn-padding-x: 1.5rem;
    --bs-accordion-btn-padding-y: 1.15rem;
    --bs-accordion-body-padding-x: 1.5rem;
    --bs-accordion-body-padding-y: 1.25rem;
    --bs-accordion-active-bg: #fff;
    --bs-accordion-active-color: var(--text);
    --bs-accordion-btn-focus-box-shadow: none;
}
.accordion-item {
    background: #fff;
    border: 1px solid rgba(45, 42, 62, 0.06) !important;
    border-radius: 16px !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
}
.accordion-button {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text);
    background: #fff;
}
.accordion-button:not(.collapsed) {
    background: #fff;
    color: var(--text);
    box-shadow: none;
}
.accordion-button::after {
    background-size: 1rem;
    width: 1rem;
    height: 1rem;
}
.accordion-body {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}
.accordion-body a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(74, 111, 165, 0.3);
    transition: border-color 0.2s;
}
.accordion-body a:hover {
    border-bottom-color: var(--accent-blue);
}

/* Contact page: info cards */
.info-card {
    background: #fff;
    border: 1px solid rgba(45, 42, 62, 0.05);
    border-radius: 20px;
    padding: 2rem;
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
}
.info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(45, 42, 62, 0.06);
}
.info-card h3 {
    font-weight: 600;
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
    color: var(--text);
}
.info-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 0.5rem;
}
.info-card p:last-child { margin-bottom: 0; }
.info-card a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(74, 111, 165, 0.3);
    transition: border-color 0.2s;
}
.info-card a:hover {
    border-bottom-color: var(--accent-blue);
}
.info-card .phone-link {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    border-bottom: none;
    letter-spacing: -0.02em;
}
.info-card .phone-link:hover {
    color: var(--accent-blue);
}

.divider {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(45, 42, 62, 0.08), transparent);
    margin: 2.5rem 0;
}

.impressum h2 {
    font-weight: 600;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 1.25rem;
}
.impressum p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
}
.impressum a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(74, 111, 165, 0.3);
    transition: border-color 0.2s;
}
.impressum a:hover {
    border-bottom-color: var(--accent-blue);
}

/* ===== FOOTER ===== */
.site-footer {
    background: #000;
    color: rgba(255, 255, 255, 0.5);
    padding: 3.5rem 0;
}
.site-footer .logo {
    height: 60px;
    filter: brightness(0) invert(1);
    opacity: 0.5;
    margin-bottom: 1.5rem;
}
.site-footer p {
    font-size: 0.8rem;
    line-height: 1.75;
    max-width: 640px;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    padding-bottom: 1px;
}
.site-footer a:hover {
    color: rgba(255, 255, 255, 0.8);
    border-bottom-color: rgba(255, 255, 255, 0.4);
}

/* ===== OFFCANVAS ===== */
.offcanvas {
    background: var(--gradient-brand) !important;
    border-left: none !important;
    max-width: 300px;
}
.offcanvas-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid rgba(45, 42, 62, 0.08);
}
.offcanvas-title {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
}
.offcanvas-body { padding: 1rem 1.5rem; }
.nav-link-mobile {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--text);
    text-decoration: none;
    display: block;
    padding: 0.85rem 0;
    border-bottom: 1px solid rgba(45, 42, 62, 0.06);
    transition: color 0.2s;
}
.nav-link-mobile:last-child { border-bottom: none; }
.nav-link-mobile:hover { color: var(--accent-blue); }

/* ===== RESPONSIVE ===== */
@media (max-width: 991.98px) {
    .hero {
        text-align: center;
        padding: 7rem 0 3rem;
    }
    .hero-title {
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-product {
        margin-top: 3rem;
    }
    .hero-product img {
        max-width: 320px;
    }
}
@media (max-width: 767.98px) {
    .step-card {
        flex-direction: column;
        text-align: center;
    }
    .step-card .step-img {
        width: 100%;
        height: auto;
        padding: 1rem;
    }
}
@media (max-width: 575.98px) {
    .hero { padding: 6.5rem 0 2.5rem; }
    .hero-product img { max-width: 240px; }
    .promise-section { padding: 3rem 0; }
    .promise-card { padding: 1.6rem 1.2rem; }
    .page-hero { padding: 7rem 0 2rem; }
    .page-content { padding: 2.5rem 0 3.5rem; }
}