/* ═══════════════════════════════════════════
   EWELT & WOBKEN GMBH – styles.css
   Design: Clean B2B SaaS, navy/blue/white
   Mobile-first responsive
═══════════════════════════════════════════ */

/* ── Tokens ──────────────────────────────── */
:root {
    --clr-bg: #F8F9FC;
    --clr-bg-tint: #EEF2FB;
    --clr-navy: #1A2540;
    --clr-navy-mid: #2A3A5C;
    --clr-blue: #2D6BE4;
    --clr-blue-light: #5B8EEE;
    --clr-body: #4A5568;
    --clr-muted: #6B7A99;
    --clr-border: #D8DFF0;
    --clr-white: #FFFFFF;

    --ff-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;

    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-base: 1rem;
    --fs-md: 1.125rem;
    --fs-lg: 1.375rem;
    --fs-xl: 1.75rem;
    --fs-2xl: 2.25rem;
    --fs-3xl: 3rem;

    --lh-tight: 1.2;
    --lh-snug: 1.4;
    --lh-base: 1.65;

    --sp-1: 0.25rem;
    --sp-2: 0.5rem;
    --sp-3: 0.75rem;
    --sp-4: 1rem;
    --sp-6: 1.5rem;
    --sp-8: 2rem;
    --sp-10: 2.5rem;
    --sp-12: 3rem;
    --sp-16: 4rem;
    --sp-20: 5rem;
    --sp-24: 6rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 14px;

    --shadow-card: 0 2px 12px rgba(26, 37, 64, .07), 0 1px 3px rgba(26, 37, 64, .05);
    --shadow-nav: 0 1px 0 var(--clr-border);

    --transition: 160ms ease;
    --max-width: 1100px;
}

/* ── Reset ───────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--ff-base);
    font-size: var(--fs-base);
    line-height: var(--lh-base);
    color: var(--clr-body);
    background: var(--clr-bg);
    -webkit-font-smoothing: antialiased;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: var(--clr-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5 {
    color: var(--clr-navy);
    line-height: var(--lh-tight);
}

/* ── Layout helpers ──────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

/* ── Navigation ──────────────────────────── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(248, 249, 252, .95);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-nav);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    gap: var(--sp-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    color: var(--clr-navy);
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.nav-logo:hover {
    text-decoration: none;
}

.logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--clr-navy);
    color: var(--clr-white);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.04em;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.logo-mark--light {
    background: rgba(255, 255, 255, .15);
    color: var(--clr-white);
    width: 40px;
    height: 40px;
}

.logo-name {
    font-size: var(--fs-sm);
    letter-spacing: -0.01em;
}

.logo-legal {
    color: var(--clr-muted);
    font-weight: 400;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--sp-6);
}

.nav-links a {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--clr-navy-mid);
    text-decoration: none;
    transition: color var(--transition);
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    padding: var(--sp-2) var(--sp-4);
    background: var(--clr-blue);
    color: var(--clr-white) !important;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.nav-cta:hover {
    background: #2460cc;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--clr-navy);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* ── Buttons ─────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: var(--fs-sm);
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), color var(--transition),
    border-color var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn:hover {
    text-decoration: none;
}

.btn:focus-visible {
    outline: 2px solid var(--clr-blue);
    outline-offset: 2px;
}

.btn--primary {
    background: var(--clr-blue);
    color: var(--clr-white);
    border-color: var(--clr-blue);
}

.btn--primary:hover {
    background: #2460cc;
    border-color: #2460cc;
}

.btn--primary.btn--sent {
    background: #22a267;
    border-color: #22a267;
    cursor: default;
}

.btn--ghost {
    background: transparent;
    color: var(--clr-navy);
    border-color: var(--clr-border);
}

.btn--ghost:hover {
    background: var(--clr-white);
    border-color: var(--clr-navy);
}

.btn--full {
    width: 100%;
}

/* ── Section basics ──────────────────────── */
.section {
    padding-block: var(--sp-20);
}

.section--tinted {
    background: var(--clr-bg-tint);
}

.section-header {
    margin-bottom: var(--sp-12);
}

.section-label {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--clr-blue);
    margin-bottom: var(--sp-3);
}

.section-header h2 {
    font-size: var(--fs-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--clr-navy);
}

/* ── Hero ────────────────────────────────── */
.hero {
    position: relative;
    padding-block: var(--sp-24) var(--sp-20);
    overflow: hidden;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(45, 107, 228, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 107, 228, .04) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    z-index: 0;
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 760px;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-blue);
    letter-spacing: 0.03em;
    margin-bottom: var(--sp-6);
}

.dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.dot--blue {
    background: var(--clr-blue);
}

.hero-headline {
    font-size: clamp(var(--fs-2xl), 5vw, var(--fs-3xl));
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--clr-navy);
    margin-bottom: var(--sp-6);
}

.hero-headline em {
    font-style: normal;
    color: var(--clr-blue);
}

.hero-sub {
    font-size: var(--fs-md);
    color: var(--clr-muted);
    line-height: var(--lh-base);
    max-width: 540px;
    margin-bottom: var(--sp-10);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3);
}

/* ── About ───────────────────────────────── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-10);
}

.about-text p {
    font-size: var(--fs-md);
    color: var(--clr-body);
    margin-bottom: var(--sp-4);
    max-width: 580px;
}

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

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: var(--sp-6);
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
}

.stat-value {
    font-size: var(--fs-xl);
    font-weight: 800;
    color: var(--clr-navy);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: var(--sp-2);
}

.stat-label {
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--clr-muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

/* ── Product card ────────────────────────── */
.product-card {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: var(--sp-8);
    max-width: 680px;
}

.product-card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--sp-4);
    margin-bottom: var(--sp-6);
}

.product-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: var(--clr-bg-tint);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.product-name {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--clr-navy);
    letter-spacing: -0.02em;
    margin-bottom: var(--sp-2);
}

/* ── Status chip (signature element) ─────── */
.product-status {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-1) var(--sp-3);
    background: rgba(45, 107, 228, .08);
    border: 1px solid rgba(45, 107, 228, .2);
    border-radius: 999px;
    font-size: var(--fs-xs);
    font-weight: 700;
    color: var(--clr-blue);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.status-dot {
    display: inline-block;
    width: 7px;
    height: 7px;
    background: var(--clr-blue);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: .4;
        transform: scale(.85);
    }
}

@media (prefers-reduced-motion: reduce) {
    .status-dot {
        animation: none;
    }
}

.product-desc {
    font-size: var(--fs-base);
    color: var(--clr-body);
    line-height: var(--lh-base);
    margin-bottom: var(--sp-6);
}

.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-bottom: var(--sp-6);
}

.tag {
    display: inline-block;
    padding: 3px var(--sp-3);
    background: var(--clr-bg-tint);
    border: 1px solid var(--clr-border);
    border-radius: 999px;
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--clr-muted);
    letter-spacing: 0.03em;
}

.product-notice {
    font-size: var(--fs-sm);
    color: var(--clr-muted);
    padding: var(--sp-3) var(--sp-4);
    background: var(--clr-bg-tint);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--clr-blue-light);
}

/* ── Contact ─────────────────────────────── */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--sp-12);
}

.contact-info p {
    font-size: var(--fs-md);
    color: var(--clr-body);
    margin-bottom: var(--sp-6);
    max-width: 460px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-3);
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--clr-navy);
    text-decoration: none;
    padding: var(--sp-3) var(--sp-4);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    background: var(--clr-white);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.contact-email:hover {
    border-color: var(--clr-blue);
    box-shadow: 0 0 0 3px rgba(45, 107, 228, .1);
    text-decoration: none;
}

/* ── Form ────────────────────────────────── */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-lg);
    padding: var(--sp-8);
    box-shadow: var(--shadow-card);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.form-group label {
    font-size: var(--fs-sm);
    font-weight: 600;
    color: var(--clr-navy);
}

.form-group input,
.form-group textarea {
    font-family: var(--ff-base);
    font-size: var(--fs-base);
    color: var(--clr-navy);
    background: var(--clr-bg);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-sm);
    padding: var(--sp-3) var(--sp-4);
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    resize: vertical;
}

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

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--clr-blue);
    box-shadow: 0 0 0 3px rgba(45, 107, 228, .12);
    background: var(--clr-white);
}

.form-note {
    font-size: var(--fs-xs);
    color: var(--clr-muted);
    line-height: 1.5;
}

.form-note a {
    color: var(--clr-muted);
    text-decoration: underline;
}

/* ── Footer ──────────────────────────────── */
.site-footer {
    background: var(--clr-navy);
    color: rgba(255, 255, 255, .7);
    padding-top: var(--sp-12);
    padding-bottom: var(--sp-8);
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: var(--sp-8);
    margin-bottom: var(--sp-8);
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
}

.footer-brand p {
    font-size: var(--fs-sm);
    line-height: 1.5;
    color: rgba(255, 255, 255, .6);
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-3) var(--sp-6);
}

.footer-nav a {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, .6);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-nav a:hover {
    color: var(--clr-white);
    text-decoration: none;
}

.footer-rule {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-block: var(--sp-8);
}

/* ── Legal ───────────────────────────────── */
.legal-block {
    padding-block: var(--sp-4);
}

.legal-block h4 {
    font-size: var(--fs-base);
    font-weight: 700;
    color: rgba(255, 255, 255, .9);
    margin-bottom: var(--sp-4);
    letter-spacing: -0.01em;
}

.legal-block h5 {
    font-size: var(--fs-sm);
    font-weight: 700;
    color: rgba(255, 255, 255, .8);
    margin-top: var(--sp-6);
    margin-bottom: var(--sp-2);
}

.legal-block h5:first-of-type {
    margin-top: var(--sp-4);
}

.legal-block p {
    font-size: var(--fs-sm);
    color: rgba(255, 255, 255, .55);
    line-height: 1.7;
    margin-bottom: var(--sp-3);
}

.legal-block a {
    color: rgba(255, 255, 255, .65);
    text-decoration: underline;
}

.legal-block a:hover {
    color: var(--clr-white);
}

.legal-note {
    font-style: italic;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.footer-bottom p {
    font-size: var(--fs-xs);
    color: rgba(255, 255, 255, .4);
}

.footer-disclaimer {
    font-style: italic;
}

/* ── Responsive: tablet+ ─────────────────── */
@media (min-width: 640px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr;
        align-items: start;
    }

    .footer-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }

    .nav-links {
        display: flex !important;
    }

    .hero {
        padding-block: var(--sp-24);
    }
}

/* ── Responsive: mobile only ─────────────── */
@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        background: var(--clr-white);
        border-bottom: 1px solid var(--clr-border);
        padding: var(--sp-4) var(--sp-6);
        gap: 0;
        box-shadow: 0 8px 24px rgba(26, 37, 64, .08);
    }

    .nav-links--open {
        display: flex;
    }

    .nav-links a {
        padding-block: var(--sp-3);
        border-bottom: 1px solid var(--clr-border);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .nav-cta {
        margin-top: var(--sp-3);
        justify-content: center;
        border-radius: var(--radius-sm);
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .about-stats .stat-card:last-child {
        grid-column: span 2;
        max-width: 50%;
    }

    .section {
        padding-block: var(--sp-12);
    }

    .hero {
        padding-block: var(--sp-16) var(--sp-12);
    }
}

@media (max-width: 400px) {
    .container {
        padding-inline: var(--sp-4);
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .product-card {
        padding: var(--sp-6);
    }

    .contact-form {
        padding: var(--sp-6);
    }
}