/* ============================================
   B2BIzmir Components
   ============================================ */

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: 1.5;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #ec8f6a 0%, #e07a52 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #e07a52 0%, #d46a42 100%);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 8px 30px rgba(236, 143, 106, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

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

.btn-white:hover {
    background-color: var(--color-surface-alt);
    color: var(--color-primary);
    transform: translateY(-1px);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

/* --- Navigation --- */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.4s ease;
    padding: 8px 0;
}

.site-header.scrolled {
    box-shadow: 0 2px 20px rgba(72, 86, 100, 0.1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.nav-menu {
    flex: 1;
    min-width: 0;
}

/* Center logo: fixed width, padded to create breathing room */
.nav-logo-item {
    flex: 0 0 auto;
    display: flex;
    justify-content: center;
    padding: 0 var(--space-6);
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

/* Mobile logo: visible only on mobile, hidden on desktop */
.nav-logo-mobile {
    height: 48px;
    width: auto;
}

.nav-container > .nav-logo {
    display: none;
    text-decoration: none;
}

.nav-logo:hover img {
    transform: scale(1.05);
}

.nav-logo img {
    height: 64px;
    width: auto;
    transition: all 0.2s ease;
}

.site-header.scrolled .nav-logo img {
    transform: scale(0.85);
}

.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-1);
}

.nav-links > li > a {
    display: block;
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-base);
    font-weight: 400;
    color: var(--color-text);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.nav-links > li > a:hover {
    color: var(--color-primary);
}

/* CTA button — pill shape with coral gradient + glow */
.nav-cta-btn {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-6);
    font-size: var(--text-sm);
    font-weight: 600;
    color: white;
    background: linear-gradient(135deg, #ec8f6a 0%, #e07a52 100%);
    border-radius: 100px;
    text-decoration: none;
    white-space: nowrap;
    box-shadow: 0 4px 24px rgba(236, 143, 106, 0.35);
    transition: all 0.3s ease;
    margin-left: var(--space-4);
}

.nav-cta-btn:hover {
    color: white;
    box-shadow: 0 8px 30px rgba(236, 143, 106, 0.45);
    transform: translateY(-1px);
}

/* Dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-dropdown-trigger::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: rotate(45deg) translateY(-2px);
    margin-left: var(--space-1);
    transition: transform var(--transition-fast);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 240px;
    padding: var(--space-2);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown:hover .nav-dropdown-trigger::after {
    transform: rotate(-135deg) translateY(-2px);
}

.nav-dropdown-menu a {
    display: block;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    color: var(--color-text);
}

.nav-dropdown-menu li + li {
    margin-top: var(--space-1);
}

.nav-dropdown-menu a:hover {
    color: var(--color-primary);
    background: var(--color-surface-alt);
}

/* Mobile menu */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
    position: absolute;
    right: var(--space-6);
    z-index: calc(var(--z-fixed) + 1);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

/* Hamburger → X animation */
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1100px) {
    .nav-toggle {
        display: flex;
    }

    /* Show mobile logo, hide desktop logo-item */
    .nav-container > .nav-logo {
        display: flex;
        align-items: center;
    }

    .nav-logo-item {
        display: none !important;
    }

    .nav-container {
        justify-content: space-between;
    }

    /* Slide-out menu */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background: white;
        padding: var(--space-16) var(--space-6) var(--space-6);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        overflow-y: auto;
        z-index: var(--z-fixed);
    }

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

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .nav-links > li {
        display: block;
    }

    .nav-dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--space-4);
    }

    .nav-cta-btn {
        display: none;
    }

    .nav-cta-mobile {
        margin-top: var(--space-4);
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.3);
        z-index: calc(var(--z-fixed) - 1);
    }

    .nav-overlay.active {
        display: block;
    }
}

/* --- Hero Section --- */
.hero {
    padding: var(--space-20) var(--space-6) var(--space-16);
    background: linear-gradient(135deg, #f7f9fb 0%, #eef2f6 40%, #f7f9fb 100%);
    overflow: hidden;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -10%;
    width: 120%;
    height: 160%;
    background: radial-gradient(ellipse at 80% 20%, rgba(0, 211, 255, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 20% 80%, rgba(236, 64, 122, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    max-width: var(--max-width-wide);
    margin: 0 auto;
}

.hero-text {
    max-width: 620px;
}

.hero h1 {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-6);
    line-height: 1.15;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin-bottom: var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    flex-wrap: wrap;
}

/* Hero Visual — right side */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual-mockup {
    position: relative;
    width: 100%;
    max-width: 520px;
    aspect-ratio: 4 / 3;
    background: linear-gradient(145deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    box-shadow: 0 30px 60px -15px rgba(14, 162, 189, 0.3),
                0 15px 30px -10px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    padding: var(--space-6);
}

.hero-visual-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 36px;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    padding-left: 12px;
}

.hero-visual-mockup::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 14px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff5f57;
    box-shadow: 16px 0 0 #ffbd2e, 32px 0 0 #28c840;
}

.hero-mockup-content {
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
    height: calc(100% - 24px);
}

.hero-mockup-stat {
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    backdrop-filter: blur(4px);
}

.hero-mockup-stat strong {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-accent-secondary);
    display: block;
    margin-bottom: var(--space-1);
}

.hero-mockup-stat span {
    font-size: var(--text-xs);
    opacity: 0.8;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-mockup-bar {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: var(--space-4) var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: white;
}

.hero-mockup-bar-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.hero-mockup-bar-icon svg {
    width: 18px;
    height: 18px;
    color: white;
}

.hero-mockup-bar-text {
    flex: 1;
}

.hero-mockup-bar-text strong {
    display: block;
    font-size: var(--text-sm);
    margin-bottom: 2px;
}

.hero-mockup-bar-text span {
    font-size: var(--text-xs);
    opacity: 0.7;
}

/* Floating badges around mockup */
.hero-badge {
    position: absolute;
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    animation: float 6s ease-in-out infinite;
    z-index: 2;
}

.hero-badge-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.hero-badge:nth-child(1) {
    top: 5%;
    right: -10%;
}

.hero-badge:nth-child(2) {
    bottom: 15%;
    left: -8%;
    animation-delay: -2s;
}

.hero-badge:nth-child(3) {
    bottom: -5%;
    right: 10%;
    animation-delay: -4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Stats row below hero */
.hero-stats-row {
    grid-column: 1 / -1;
    display: flex;
    justify-content: flex-start;
    gap: var(--space-12);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-visual {
        max-width: 100%;
        margin: 0 auto;
    }

    .hero-badge {
        display: none;
    }

    .hero-visual-mockup {
        max-width: 100%;
        aspect-ratio: auto;
    }

    .hero-stats-row {
        justify-content: center;
        display: grid;
        grid-template-columns: repeat(4, auto);
        gap: var(--space-8);
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: var(--space-12) var(--space-4) var(--space-8);
    }

    .hero h1 {
        font-size: var(--text-3xl);
    }

    .hero-subtitle {
        font-size: var(--text-base);
    }

    .hero-stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }

    .stat-number {
        font-size: var(--text-2xl);
    }

    .hero-mockup-stat strong {
        font-size: var(--text-lg);
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: var(--text-2xl);
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .stat-number {
        font-size: var(--text-xl);
    }
}

/* --- Stats Row --- */
.stats-row {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    margin-top: var(--space-12);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
    font-weight: 500;
}

@media (max-width: 640px) {
    .stats-row {
        gap: var(--space-6);
    }

    .stat-number {
        font-size: var(--text-3xl);
    }
}

/* --- Section --- */
.section {
    padding: var(--space-20) var(--space-6);
}

.section-alt {
    background-color: var(--color-surface-alt);
    overflow: hidden;
}

.section-dark {
    background-color: var(--color-surface-dark);
    color: var(--color-text-on-dark);
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-12);
}

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

.section-header p {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    margin: 0 auto;
}

.section-dark .section-header p {
    color: var(--color-text-on-dark);
    opacity: 0.8;
}

/* --- Feature Cards --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    max-width: var(--max-width-content);
    margin: 0 auto;
}

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

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

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

@media (max-width: 968px) {
    .card-grid,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .card-grid,
    .card-grid-2,
    .card-grid-3,
    .card-grid-4 {
        grid-template-columns: 1fr;
    }
}

.feature-card {
    padding: var(--space-8);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, rgba(0, 211, 255, 0.1), rgba(14, 162, 189, 0.08));
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    color: var(--color-primary);
}

.feature-card-icon svg {
    width: 26px;
    height: 26px;
}

.feature-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.feature-card p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.7;
}

.feature-card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
}

.feature-card-link:hover {
    gap: var(--space-3);
}

/* --- Brand Link Bar --- */
.brand-bar {
    padding: var(--space-12) var(--space-6);
    background: var(--color-surface-alt);
}

.brand-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    max-width: var(--max-width-content);
    margin: 0 auto;
    text-decoration: none;
    color: var(--color-text);
    padding: var(--space-8) var(--space-12);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    background: var(--color-surface);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.brand-bar-inner:hover {
    color: var(--color-primary);
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.brand-bar-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), transparent);
    max-width: 240px;
}

.brand-bar-logo {
    height: 56px;
    width: auto;
    transition: transform var(--transition-base);
}

.brand-bar-inner:hover .brand-bar-logo {
    transform: scale(1.05);
}

.brand-bar-text {
    font-size: var(--text-xl);
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.brand-bar-text strong {
    color: var(--color-primary);
    font-weight: 600;
}

.brand-bar-arrow {
    width: 24px;
    height: 24px;
    opacity: 0.4;
    transform: translateX(0);
    transition: all var(--transition-fast);
}

.brand-bar-inner:hover .brand-bar-arrow {
    opacity: 1;
    transform: translateX(4px);
}

@media (max-width: 640px) {
    .brand-bar {
        padding: var(--space-8) var(--space-4);
    }

    .brand-bar-inner {
        flex-direction: column;
        gap: var(--space-4);
        padding: var(--space-6);
        text-align: center;
    }

    .brand-bar-line {
        display: none;
    }

    .brand-bar-logo {
        height: 40px;
    }

    .brand-bar-text {
        font-size: var(--text-base);
        white-space: normal;
    }

    .brand-bar-arrow {
        display: none;
    }
}

/* --- Reference Cards --- */
.ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-6);
}

.ref-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-8) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.ref-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.ref-card h3 {
    font-size: var(--text-base);
    font-weight: 600;
    margin: var(--space-4) 0 var(--space-1);
}

.ref-card p {
    margin: 0;
}

.ref-logo {
    height: 48px;
    width: auto;
    max-width: 140px;
    object-fit: contain;
    filter: grayscale(40%);
    opacity: 0.85;
    transition: all var(--transition-base);
}

.ref-card:hover .ref-logo {
    filter: grayscale(0%);
    opacity: 1;
}

.ref-initials {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--color-surface-alt);
    color: var(--color-primary);
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 700;
}

/* --- CTA Banner --- */
.cta-banner {
    padding: var(--space-20) var(--space-6);
    background: var(--color-surface-dark);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 120%, rgba(0, 211, 255, 0.15) 0%, transparent 60%);
    pointer-events: none;
}

.cta-banner-content {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.cta-banner h2 {
    color: white;
    margin-bottom: var(--space-4);
}

.cta-banner p {
    color: var(--color-text-on-dark);
    opacity: 0.8;
    margin: 0 auto var(--space-8);
}

/* --- Testimonial Cards --- */
.testimonial-card {
    padding: var(--space-8);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    position: relative;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: var(--space-4);
    left: var(--space-6);
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--color-accent);
    opacity: 0.2;
    line-height: 1;
}

.testimonial-card blockquote {
    font-size: var(--text-base);
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: var(--space-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-author-info strong {
    display: block;
    font-size: var(--text-sm);
    color: var(--color-primary);
}

.testimonial-author-info span {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* --- FAQ Accordion --- */
.faq-list {
    max-width: var(--max-width-text);
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) 0;
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    transition: color var(--transition-fast);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: var(--text-2xl);
    color: var(--color-accent);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
    margin-left: var(--space-4);
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
}

.faq-item summary:hover {
    color: var(--color-accent);
}

.faq-item .faq-answer {
    padding-bottom: var(--space-5);
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* --- Breadcrumb --- */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    max-width: var(--max-width-content);
    margin: 0 auto;
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    list-style: none;
}

.breadcrumb li + li::before {
    content: '/';
    margin-right: var(--space-2);
    opacity: 0.4;
}

.breadcrumb a {
    color: var(--color-text-muted);
}

.breadcrumb a:hover {
    color: var(--color-accent);
}

/* --- Click to Call --- */
.click-to-call {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    z-index: var(--z-fixed);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--color-accent);
    color: white;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
    animation: pulse-glow 2.5s ease-in-out infinite;
    text-decoration: none;
}

.click-to-call:hover {
    background: var(--color-accent-hover);
    color: white;
    transform: scale(1.1);
    animation: none;
}

.click-to-call svg {
    width: 26px;
    height: 26px;
}

@media (max-width: 640px) {
    .click-to-call {
        bottom: var(--space-4);
        right: var(--space-4);
        width: 54px;
        height: 54px;
    }
}

/* --- Footer --- */
.site-footer {
    background: var(--color-surface-dark);
    color: var(--color-text-on-dark);
    padding: var(--space-16) var(--space-6) var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    max-width: var(--max-width-content);
    margin: 0 auto var(--space-12);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8) var(--space-6);
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand p {
    color: var(--color-text-on-dark);
    opacity: 0.7;
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    line-height: 1.8;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--space-2);
}

.footer-col a {
    font-size: var(--text-sm);
    color: var(--color-text-on-dark);
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.footer-col a:hover {
    opacity: 1;
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
    max-width: var(--max-width-content);
    margin: 0 auto;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--text-xs);
    color: var(--color-text-on-dark);
    opacity: 0.5;
}

.footer-isimheryerde {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    margin-top: var(--space-6);
    font-size: var(--text-xs);
    color: var(--color-text-on-dark);
    opacity: 0.7;
    transition: all var(--transition-fast);
}

.footer-isimheryerde:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-accent);
}

/* --- Forms --- */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.form-input {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background: white;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(232, 114, 58, 0.1);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-error {
    font-size: var(--text-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
}

.form-honeypot {
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    overflow: hidden;
    tab-index: -1;
}

/* --- Demo Form Section --- */
.demo-section {
    max-width: 560px;
    margin: 0 auto;
}

.demo-form {
    position: relative;
    padding: var(--space-8);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* --- Article Layout (Rehber pages) --- */
.article-layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: var(--space-12);
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-12) var(--space-6);
}

.article-content {
    min-width: 0;
}

.article-content h2 {
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
}

.article-content h2:first-child {
    border-top: none;
    padding-top: 0;
    margin-top: 0;
}

.article-content p {
    margin-bottom: var(--space-4);
    line-height: 1.8;
    color: var(--color-text);
}

.article-content ul,
.article-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.article-content li {
    margin-bottom: var(--space-2);
    line-height: 1.7;
}

.article-toc {
    position: sticky;
    top: 100px;
    align-self: start;
}

.article-toc h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
    color: var(--color-text-muted);
}

.article-toc ul {
    list-style: none;
    border-left: 2px solid var(--color-border);
    padding-left: var(--space-4);
}

.article-toc li {
    margin-bottom: var(--space-2);
}

.article-toc a {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.article-toc a:hover {
    color: var(--color-accent);
}

@media (max-width: 768px) {
    .article-layout {
        grid-template-columns: 1fr;
    }

    .article-toc {
        position: static;
        order: -1;
        padding: var(--space-4);
        background: var(--color-surface-alt);
        border-radius: var(--radius-lg);
    }
}

/* --- Integration Cards --- */
.integration-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-6);
    padding: var(--space-8);
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.integration-card:hover {
    border-color: var(--color-accent-secondary);
    box-shadow: var(--shadow-lg);
}

.integration-card-logo {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface-alt);
    border-radius: var(--radius-lg);
}

.integration-card h3 {
    font-size: var(--text-xl);
    margin-bottom: var(--space-3);
}

.integration-card p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-4);
}

.integration-card ul {
    list-style: none;
    margin-bottom: var(--space-4);
}

.integration-card li {
    position: relative;
    padding-left: var(--space-5);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.integration-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--color-accent-secondary);
    border-radius: var(--radius-full);
}

@media (max-width: 640px) {
    .integration-card {
        flex-direction: column;
    }
}

/* --- Page Hero (interior pages) --- */
.page-hero {
    padding: var(--space-16) var(--space-6) var(--space-12);
    background: var(--color-surface-alt);
    text-align: center;
}

.page-hero h1 {
    max-width: 800px;
    margin: 0 auto var(--space-4);
}

.page-hero p {
    font-size: var(--text-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}