/*
 * ETIM-Toolbox Landing Page — Vignelli-Style
 * 4 media selling GmbH
 * Minimalistisch, Grid-basiert, Zeitlos
 */

/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 400;
    line-height: 1.5;
    color: #000000;
    background: #FFFFFF;
    -webkit-font-smoothing: antialiased;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

p { line-height: 1.8; }

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

/* === LAYOUT === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section {
    padding: 96px 0;
}

.section--alt {
    background: #F8F8F8;
}

.section--cta {
    background: #000000;
    color: #FFFFFF;
}

.section--cta .section__title {
    color: #FFFFFF;
}

.section--cta .btn--outline {
    color: #FFFFFF;
    border-color: #FFFFFF;
}

.section--cta .btn--outline:hover {
    background: #FFFFFF;
    color: #000000;
}

.section__title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 64px;
}

.section__intro {
    font-size: 18px;
    line-height: 1.8;
    max-width: 700px;
    margin-bottom: 64px;
    color: #444;
}

/* === NAVIGATION === */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: #FFFFFF;
    border-bottom: 1px solid #E5E5E5;
    z-index: 1000;
    transition: box-shadow 0.2s ease;
}

.nav--scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

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

.nav__logo {
    display: flex;
    align-items: center;
}

.nav__logo-img {
    height: 44px;
    width: auto;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav__link {
    font-size: 15px;
    font-weight: 400;
    transition: color 0.2s ease;
}

.nav__link:hover {
    color: #0066CC;
}

.nav__link--cta {
    font-weight: 700;
    color: #FFFFFF;
    background: #0066CC;
    padding: 10px 24px;
    transition: background 0.2s ease;
}

.nav__link--cta:hover {
    background: #000000;
    color: #FFFFFF;
}

/* Burger */
.nav__burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: #000;
    transition: all 0.2s ease;
}

.nav__burger.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__burger.is-active span:nth-child(2) {
    opacity: 0;
}

.nav__burger.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* === HERO === */
.hero {
    margin-top: 80px;
    min-height: 520px;
    display: flex;
    align-items: center;
    padding: 80px 0 96px;
}

.hero__label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #0066CC;
    margin-bottom: 24px;
}

.hero__title {
    font-size: 68px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 32px;
}

.hero__subtitle {
    font-size: 22px;
    color: #555;
    line-height: 1.6;
    max-width: 560px;
    margin-bottom: 48px;
}

.hero__line {
    width: 80px;
    height: 3px;
    background: #0066CC;
    margin-bottom: 48px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    text-align: center;
    transition: all 0.2s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn--primary {
    background: #0066CC;
    color: #FFFFFF;
    border-color: #0066CC;
}

.btn--primary:hover {
    background: #000000;
    border-color: #000000;
}

.btn--outline {
    background: transparent;
    color: #000000;
    border-color: #000000;
}

.btn--outline:hover {
    background: #000000;
    color: #FFFFFF;
}

/* === GRID === */
.grid {
    display: grid;
    gap: 40px;
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* === CARDS === */
.card {
    padding: 48px 40px;
    border: 1px solid #E0E0E0;
    transition: border-color 0.2s ease;
}

.card:hover {
    border-color: #0066CC;
}

.card__number {
    font-size: 48px;
    font-weight: 700;
    color: #0066CC;
    line-height: 1;
    margin-bottom: 24px;
}

.card__title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.card__text {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
}

/* === FEATURES === */
.features {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.feature {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    padding: 48px 0;
    border-bottom: 1px solid #E0E0E0;
}

.feature:last-child {
    border-bottom: none;
}

.feature__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border: 2px solid #000000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.feature__icon svg {
    width: 28px;
    height: 28px;
}

.feature__content h3 {
    font-size: 22px;
    margin-bottom: 12px;
}

.feature__content p {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
}

/* === FORMAT CARDS === */
.format-card {
    padding: 40px 32px;
    border: 1px solid #E0E0E0;
    text-align: center;
    transition: border-color 0.2s ease;
}

.format-card:hover {
    border-color: #0066CC;
}

.format-card__letter {
    font-size: 42px;
    font-weight: 700;
    color: #0066CC;
    margin-bottom: 16px;
    line-height: 1;
}

.format-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.format-card__text {
    font-size: 14px;
    line-height: 1.7;
    color: #666;
}

/* === EXPERTISE === */
.expertise {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 80px;
    align-items: start;
}

.expertise__text {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 32px;
    color: #333;
}

.expertise__stats {
    display: flex;
    flex-direction: column;
    gap: 48px;
    padding-top: 16px;
}

.stat {
    text-align: center;
}

.stat__number {
    font-size: 56px;
    font-weight: 700;
    color: #0066CC;
    line-height: 1;
    margin-bottom: 8px;
}

.stat__label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #666;
}

/* === FOOTER === */
.footer {
    background: #000000;
    color: #FFFFFF;
    padding: 80px 0 32px;
}

.footer__logo {
    height: 36px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(0) invert(1);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.footer__title {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: #999;
}

.footer__text {
    font-size: 15px;
    line-height: 1.8;
    color: #AAA;
}

.footer__list {
    list-style: none;
}

.footer__list li {
    margin-bottom: 10px;
}

.footer__link {
    font-size: 15px;
    color: #CCC;
    transition: color 0.2s ease;
}

.footer__link:hover {
    color: #0066CC;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
    border-top: 1px solid #333;
}

.footer__bottom p {
    font-size: 13px;
    color: #666;
}

.footer__legal {
    display: flex;
    gap: 24px;
}

.footer__legal a {
    font-size: 13px;
    color: #666;
    transition: color 0.2s ease;
}

.footer__legal a:hover {
    color: #CCC;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .container {
        padding: 0 24px;
    }

    .section {
        padding: 72px 0;
    }

    .hero__title {
        font-size: 48px;
    }

    .section__title {
        font-size: 32px;
        margin-bottom: 48px;
    }

    .grid--2,
    .grid--3 {
        grid-template-columns: 1fr;
    }

    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .expertise__stats {
        flex-direction: row;
        gap: 48px;
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: #FFFFFF;
        flex-direction: column;
        padding: 24px 40px;
        gap: 20px;
        border-bottom: 1px solid #E5E5E5;
    }

    .nav__menu.is-open {
        display: flex;
    }

    .nav__burger {
        display: flex;
    }

    .nav__link--cta {
        text-align: center;
    }

    .hero {
        min-height: auto;
        padding: 64px 0;
    }

    .hero__title {
        font-size: 36px;
    }

    .hero__subtitle {
        font-size: 18px;
    }

    .grid--4 {
        grid-template-columns: 1fr;
    }

    .feature {
        flex-direction: column;
        gap: 20px;
    }

    .expertise__stats {
        flex-direction: column;
        gap: 32px;
    }

    .stat__number {
        font-size: 42px;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer__bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}