/* ==========================================================================
   AllWispr - Layout
   Container, Grid, Responsive Breakpoints, Navbar, Footer
   Mobile-first
   ========================================================================== */

/* ------------------------------------------------------------------
   CONTAINER
   ------------------------------------------------------------------ */

.container {
    width: 100%;
    max-width: var(--container-2xl);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
}

.container-sm {
    max-width: var(--container-sm);
}

.container-md {
    max-width: var(--container-md);
}

.container-lg {
    max-width: var(--container-lg);
}

.container-xl {
    max-width: var(--container-xl);
}

.container-2xl {
    max-width: var(--container-2xl);
}

.container-fluid {
    max-width: 100%;
}

@media (min-width: 768px) {
    .container {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}

/* ------------------------------------------------------------------
   FLEXBOX GRID
   ------------------------------------------------------------------ */

.row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-6);
}

.row-tight {
    gap: var(--space-4);
}

.row-loose {
    gap: var(--space-10);
}

.row-no-gap {
    gap: 0;
}

/* Flex Utilities */
.flex          { display: flex; }
.inline-flex   { display: inline-flex; }
.flex-column   { flex-direction: column; }
.flex-row      { flex-direction: row; }
.flex-wrap     { flex-wrap: wrap; }
.flex-nowrap   { flex-wrap: nowrap; }
.flex-1        { flex: 1; }
.flex-auto     { flex: auto; }
.flex-none     { flex: none; }
.flex-grow     { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Alignment */
.items-start    { align-items: flex-start; }
.items-center   { align-items: center; }
.items-end      { align-items: flex-end; }
.items-stretch  { align-items: stretch; }
.items-baseline { align-items: baseline; }

.justify-start   { justify-content: flex-start; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.justify-around  { justify-content: space-around; }
.justify-evenly  { justify-content: space-evenly; }

.self-start  { align-self: flex-start; }
.self-center { align-self: center; }
.self-end    { align-self: flex-end; }

.gap-2  { gap: var(--space-2); }
.gap-3  { gap: var(--space-3); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-10 { gap: var(--space-10); }
.gap-12 { gap: var(--space-12); }

/* ------------------------------------------------------------------
   GRID (CSS Grid für spezielle Layouts)
   ------------------------------------------------------------------ */

.grid {
    display: grid;
    gap: var(--space-6);
}

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

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

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

@media (min-width: 768px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

@media (min-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }

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

/* Grid Gap Varianten */
.grid-tight { gap: var(--space-4); }
.grid-loose { gap: var(--space-10); }

/* ------------------------------------------------------------------
   COLUMNS (Simple responsive Spalten)
   ------------------------------------------------------------------ */

.col-half {
    width: 100%;
}

.col-third {
    width: 100%;
}

.col-quarter {
    width: 100%;
}

@media (min-width: 768px) {
    .col-half {
        width: calc(50% - var(--space-3));
    }

    .col-third {
        width: calc(50% - var(--space-3));
    }

    .col-quarter {
        width: calc(50% - var(--space-3));
    }
}

@media (min-width: 1024px) {
    .col-third {
        width: calc(33.333% - var(--space-4));
    }

    .col-quarter {
        width: calc(25% - var(--space-5));
    }
}

/* ------------------------------------------------------------------
   SECTION SPACING
   ------------------------------------------------------------------ */

.section {
    padding-top: var(--space-16);
    padding-bottom: var(--space-16);
}

.section-sm {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
}

.section-lg {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}

.section-xl {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

@media (min-width: 768px) {
    .section {
        padding-top: var(--space-20);
        padding-bottom: var(--space-20);
    }

    .section-lg {
        padding-top: var(--space-24);
        padding-bottom: var(--space-24);
    }

    .section-xl {
        padding-top: var(--space-32);
        padding-bottom: var(--space-32);
    }
}

/* Section Header (Titel + Beschreibung) */
.section-header {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-12);
}

.section-header h2 {
    margin-bottom: var(--space-4);
}

.section-header p {
    color: var(--color-text-light);
    font-size: var(--font-size-lg);
}

@media (min-width: 768px) {
    .section-header {
        margin-bottom: var(--space-16);
    }
}

/* Section Hintergrund-Varianten */
.section-alt {
    background-color: var(--color-bg-alt);
}

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-white);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--color-white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.75);
}

.section-dark .section-header p {
    color: rgba(255, 255, 255, 0.65);
}

/* ------------------------------------------------------------------
   NAVBAR
   ------------------------------------------------------------------ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    z-index: var(--z-sticky);
    transition:
        height var(--transition-base),
        background-color var(--transition-base),
        box-shadow var(--transition-base);
}

.navbar.scrolled {
    height: var(--navbar-height-shrunk);
    background-color: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow-sm);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

@media (min-width: 768px) {
    .navbar-inner {
        padding: 0 var(--space-8);
    }
}

/* Logo */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
    flex-shrink: 0;
    transition: color var(--transition-fast);
}

.navbar-brand:hover {
    color: var(--color-primary);
}

.navbar-brand img,
.navbar-brand svg {
    height: 32px;
    width: auto;
}

.navbar.scrolled .navbar-brand img,
.navbar.scrolled .navbar-brand svg {
    height: 28px;
}

/* Navigation Links */
.navbar-nav {
    display: none;
    align-items: center;
    gap: var(--space-2);
}

@media (min-width: 1024px) {
    .navbar-nav {
        display: flex;
    }
}

.navbar-nav a {
    display: flex;
    align-items: center;
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-light);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: var(--color-primary);
    background-color: rgba(var(--color-primary-rgb), 0.06);
}

/* Navbar Actions (Buttons rechts) */
.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.navbar-actions .btn {
    display: none;
}

@media (min-width: 768px) {
    .navbar-actions .btn {
        display: inline-flex;
    }
}

/* Hamburger Menu Toggle */
.navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--color-text);
    transition: background-color var(--transition-fast);
}

.navbar-toggle:hover {
    background-color: var(--color-bg-alt);
}

@media (min-width: 1024px) {
    .navbar-toggle {
        display: none;
    }
}

/* Hamburger Icon (3 Balken) */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 22px;
    height: 22px;
}

.hamburger span {
    display: block;
    height: 2px;
    background-color: currentColor;
    border-radius: 2px;
    transition:
        transform var(--transition-base),
        opacity var(--transition-fast);
    transform-origin: center;
}

/* Hamburger -> X Animation */
.navbar-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

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

/* ------------------------------------------------------------------
   MOBILE NAVIGATION (Slide-Down Overlay)
   ------------------------------------------------------------------ */

.mobile-nav {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    z-index: calc(var(--z-sticky) - 1);
    max-height: 0;
    overflow: hidden;
    transition:
        max-height var(--transition-slow),
        opacity var(--transition-base);
    opacity: 0;
}

.mobile-nav.open {
    max-height: 100vh;
    opacity: 1;
}

.navbar.scrolled ~ .mobile-nav,
.navbar.scrolled + .mobile-nav {
    top: var(--navbar-height-shrunk);
}

.mobile-nav-inner {
    padding: var(--space-4) var(--space-6);
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.mobile-nav a {
    display: block;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast);
}

.mobile-nav a:hover,
.mobile-nav a.active {
    background-color: rgba(var(--color-primary-rgb), 0.06);
    color: var(--color-primary);
}

.mobile-nav-divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin: var(--space-2) 0;
}

.mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-3);
}

@media (min-width: 1024px) {
    .mobile-nav {
        display: none !important;
    }
}

/* ------------------------------------------------------------------
   MAIN CONTENT (Offset für Fixed Navbar)
   ------------------------------------------------------------------ */

.main-content {
    padding-top: var(--navbar-height);
    flex: 1;
}

/* ------------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------------ */

.footer {
    background-color: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .navbar-brand {
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.55);
    line-height: var(--line-height-relaxed);
}

.footer-col h4 {
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--space-4);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-col a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-white);
}

/* Footer Bottom */
.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.4);
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-bottom-links {
    display: flex;
    gap: var(--space-6);
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.4);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* ------------------------------------------------------------------
   DISPLAY UTILITIES (Responsive)
   ------------------------------------------------------------------ */

.d-none          { display: none; }
.d-block         { display: block; }
.d-flex          { display: flex; }
.d-inline        { display: inline; }
.d-inline-block  { display: inline-block; }
.d-inline-flex   { display: inline-flex; }
.d-grid          { display: grid; }

@media (min-width: 768px) {
    .d-md-none         { display: none; }
    .d-md-block        { display: block; }
    .d-md-flex         { display: flex; }
    .d-md-inline-flex  { display: inline-flex; }
    .d-md-grid         { display: grid; }
}

@media (min-width: 1024px) {
    .d-lg-none         { display: none; }
    .d-lg-block        { display: block; }
    .d-lg-flex         { display: flex; }
    .d-lg-inline-flex  { display: inline-flex; }
    .d-lg-grid         { display: grid; }
}

/* ------------------------------------------------------------------
   WIDTH UTILITIES
   ------------------------------------------------------------------ */

.w-full    { width: 100%; }
.w-auto    { width: auto; }
.max-w-sm  { max-width: var(--container-sm); }
.max-w-md  { max-width: var(--container-md); }
.max-w-lg  { max-width: var(--container-lg); }
.max-w-xl  { max-width: var(--container-xl); }

/* Zentrierte Boxen */
.mx-auto   { margin-left: auto; margin-right: auto; }

/* ------------------------------------------------------------------
   POSITION UTILITIES
   ------------------------------------------------------------------ */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed    { position: fixed; }
.sticky   { position: sticky; }