/* ==========================================================================
   UMSAN SARF - EKSİKSİZ KURUMSAL B2B TASARIM SİSTEMİ (V1.5 - TEMİZLENMİŞ)
   ========================================================================== */

:root {
    --color-primary: #0F2847;
    --color-primary-light: #1A3E6D;
    --color-accent: #0284C7;
    --color-accent-hover: #0369A1;
    --color-accent-light: #E0F2FE;
    
    --color-bg: #FFFFFF;
    --color-bg-alt: #F8FAFC;
    --color-bg-card: #FFFFFF;
    
    --color-text: #1E293B;
    --color-text-muted: #64748B;
    --color-border: #E2E8F0;
    
    --color-success: #16A34A;
    --color-danger: #DC2626;

    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-max: 1200px;
    --border-radius: 8px;
    --border-radius-lg: 14px;
    --shadow-sm: 0 1px 3px rgba(15, 40, 71, 0.06);
    --shadow-md: 0 6px 18px rgba(15, 40, 71, 0.08);
    --shadow-lg: 0 12px 28px rgba(15, 40, 71, 0.12);
    --transition: all 0.2s ease-in-out;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img, svg {
    display: inline-block;
    vertical-align: middle;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: var(--transition);
}

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

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: 20px;
    padding-right: 20px;
}

.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }

/* TOPBAR */
.topbar {
    background-color: var(--color-primary);
    color: #94A3B8;
    font-size: 0.8125rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.topbar-right {
    display: flex;
    gap: 20px;
}

.topbar-right a {
    color: #CBD5E1;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.topbar-right a:hover {
    color: #FFFFFF;
}

/* HEADER */
.site-header {
    background-color: #FFFFFF;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--color-border);
    transition: var(--transition);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.header-logo-img {
    height: 36px;
    width: auto;
    display: block;
}

.brand-primary {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-primary);
}

.brand-badge {
    background-color: var(--color-accent);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 7px;
    border-radius: 4px;
    letter-spacing: 0.5px;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 28px;
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9375rem;
}

.nav-link:hover {
    color: var(--color-accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* BUTONLAR */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--border-radius);
    padding: 10px 20px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9375rem;
    text-align: center;
}

.btn-sm { padding: 8px 16px; font-size: 0.875rem; }
.btn-lg { padding: 13px 28px; font-size: 1rem; }

.btn-primary {
    background-color: var(--color-accent);
    color: #FFFFFF;
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: #FFFFFF;
}

.btn-secondary {
    background-color: var(--color-bg-alt);
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background-color: var(--color-accent-light);
    color: var(--color-accent-hover);
    border-color: var(--color-accent);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

.btn-block { width: 100%; }

/* BÖLÜM VE TİPOGRAFİ */
.section { padding: 80px 0; }
.section-gray { background-color: var(--color-bg-alt); }

.section-header {
    margin-bottom: 50px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.25;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--color-text-muted);
    font-size: 1.05rem;
}

/* HERO ALANI */
.hero-section {
    padding: 80px 0 90px;
    background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bg-alt) 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 50px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--color-accent-light);
    color: var(--color-accent-hover);
    font-size: 0.8125rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.hero-title {
    font-size: 2.75rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.hero-lead {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.hero-highlights {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.highlight-item svg { color: var(--color-accent); }

/* B2B KURUMSAL KONSOL / PANEL */
.b2b-panel {
    background: #0B1E36;
    border: 1px solid #1E3A5F;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 16px 36px rgba(3, 15, 39, 0.18);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.panel-header {
    background: #071526;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #1A3353;
}

.panel-dots {
    display: flex;
    gap: 6px;
}

.p-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.p-red { background: #EF4444; }
.p-yellow { background: #F59E0B; }
.p-green { background: #10B981; }

.panel-title-tag {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #94A3B8;
}

.panel-live-badge {
    font-size: 0.6875rem;
    font-weight: 700;
    color: #10B981;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.1);
    padding: 3px 8px;
    border-radius: 12px;
}

.pulse-dot {
    width: 6px;
    height: 6px;
    background: #10B981;
    border-radius: 50%;
    box-shadow: 0 0 6px #10B981;
}

.panel-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 16px 18px;
    background: #08172B;
    border-bottom: 1px solid #1A3353;
}

.p-metric-card {
    background: #0E2442;
    border: 1px solid #1D3B63;
    border-radius: 6px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.p-m-title {
    font-size: 0.6875rem;
    color: #94A3B8;
    margin-bottom: 2px;
}

.p-m-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.2;
}

.p-m-sub {
    font-size: 0.625rem;
    color: var(--color-accent);
}

.panel-rows {
    padding: 14px 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.p-row {
    background: #0E223D;
    border: 1px solid #1A3559;
    border-radius: 6px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: var(--transition);
}

.p-row:hover {
    border-color: var(--color-accent);
    background: #12294A;
}

.p-row-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.p-row-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    background: rgba(2, 132, 199, 0.15);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
}

.p-row-left strong {
    display: block;
    font-size: 0.8125rem;
    color: #FFFFFF;
}

.p-row-left small {
    display: block;
    font-size: 0.6875rem;
    color: #94A3B8;
}

.p-status-pill {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 4px;
}

.st-green {
    background: rgba(16, 185, 129, 0.15);
    color: #34D399;
}

.st-blue {
    background: rgba(2, 132, 199, 0.15);
    color: #38BDF8;
}

.panel-footer {
    background: #071526;
    padding: 10px 18px;
    border-top: 1px solid #1A3353;
}

.panel-auth-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.6875rem;
    color: #94A3B8;
}

.panel-auth-note svg {
    color: var(--color-accent);
}

/* Sektör ve Değer İkon Rozetleri */
.sector-icon-wrap,
.step-icon-badge {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    background: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

/* ÜRÜN KARTLARI */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.product-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: #CBD5E1;
}

.product-icon-wrap {
    width: 56px;
    height: 56px;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.product-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.product-card-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.product-card-features {
    list-style: none;
    margin-bottom: 24px;
    margin-top: auto;
    font-size: 0.8125rem;
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
}

.product-card-features li {
    position: relative;
    padding-left: 18px;
    margin-bottom: 8px;
    color: var(--color-text);
}

.product-card-features li::before {
    content: "•";
    position: absolute;
    left: 4px;
    color: var(--color-accent);
    font-size: 1.2rem;
    line-height: 1;
}

/* SÜREÇ ADIMLARI */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.step-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 28px 20px;
    position: relative;
}

.step-number {
    font-size: 2.25rem;
    font-weight: 800;
    color: #E2E8F0;
    line-height: 1;
    margin-bottom: 12px;
}

.step-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.step-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* HAKKIMIZDA */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.about-text {
    font-size: 1rem;
    color: var(--color-text);
    margin-bottom: 16px;
}

.about-points {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.point-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.9375rem;
}

.point-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: #DCFCE7;
    color: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.about-card-inner {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.about-card-inner h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 12px;
}

.about-specs {
    list-style: none;
    margin-bottom: 24px;
}

.about-specs li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-bg-alt);
    font-size: 0.875rem;
}

.about-specs li span { color: var(--color-text-muted); }

.about-cta-box {
    background-color: var(--color-bg-alt);
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
}

.about-cta-box p {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 14px;
}

/* MARKALAR */
.brands-grid-rich {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.brand-box {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    padding: 24px 20px;
    text-align: left;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.brand-box:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.brand-desc {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 16px;
    min-height: 40px;
    line-height: 1.4;
}

.brand-link {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.brand-link:hover {
    color: var(--color-accent-hover);
    text-decoration: underline;
}

.brand-box-custom {
    background-color: var(--color-bg-alt);
    border-style: dashed;
}

.brand-disclaimer {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

/* SSS AKORDİYON */
.faq-accordion-container {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
}

.faq-question {
    width: 100%;
    background: none;
    border: none;
    padding: 18px 22px;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    font-family: inherit;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--color-bg-alt);
}

.faq-icon {
    font-size: 1.4rem;
    font-weight: 400;
    color: var(--color-accent);
    line-height: 1;
    transition: transform 0.2s ease;
}

.faq-item.is-open .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 22px;
    background-color: #FFFFFF;
}

.faq-item.is-open .faq-answer {
    padding: 0 22px 20px;
}

.faq-answer p {
    font-size: 0.90625rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* TEKLİF FORMU */
.section-cta {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.text-white { color: #FFFFFF; }
.text-white-muted { color: #94A3B8; }

.form-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background-color: #0C1E36;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
}

.form-header { margin-bottom: 30px; }

.quote-form .form-row {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
}

.col-6 { flex: 0 0 calc(50% - 8px); }
.col-4 { flex: 0 0 calc(33.333% - 10.6px); }

.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 6px;
    color: #E2E8F0;
}

.required { color: #F87171; }

.form-control {
    background-color: #081526;
    border: 1px solid #1E3A5F;
    color: #FFFFFF;
    border-radius: var(--border-radius);
    padding: 10px 14px;
    font-size: 0.9375rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.25);
}

.form-control::placeholder { color: #64748B; }

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394A3B8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
}

.invalid-feedback {
    display: none;
    font-size: 0.75rem;
    color: #F87171;
    margin-top: 4px;
}

.is-invalid { border-color: #EF4444 !important; }
.is-invalid + .invalid-feedback { display: block; }

.form-footer {
    text-align: center;
    margin-top: 24px;
}

.btn-submit {
    min-width: 260px;
    padding: 14px 28px;
}

.form-privacy-note {
    font-size: 0.75rem;
    color: #64748B;
    margin-top: 14px;
}

/* İLETİŞİM */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    text-align: center;
}

.contact-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.contact-card h3 {
    font-size: 1.15rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.contact-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.contact-link {
    font-weight: 600;
    font-size: 1rem;
}

.contact-address {
    font-style: normal;
    font-size: 0.9375rem;
    color: var(--color-text);
}

/* FOOTER */
.site-footer {
    background-color: #0A192F;
    color: #94A3B8;
    padding: 70px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 50px;
}

.footer-logo-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 14px;
}

.company-legal-name { color: #64748B; }

.footer-heading {
    color: #FFFFFF;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #94A3B8; font-size: 0.875rem; }
.footer-links a:hover { color: #FFFFFF; }

.footer-contact-item {
    font-size: 0.875rem;
    margin-bottom: 8px;
}

.footer-contact-item a { color: #CBD5E1; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    font-size: 0.8125rem;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-notice { color: #64748B; }

.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 54px;
    height: 54px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 99;
    transition: var(--transition);
}

.whatsapp-float:hover { transform: scale(1.08); }

.alert {
    padding: 16px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
}

.alert-success {
    background-color: #DCFCE7;
    color: #14532D;
    border: 1px solid #86EFAC;
}

.alert-danger {
    background-color: #FEE2E2;
    color: #7F1D1D;
    border: 1px solid #FCA5A5;
}

.alert-close {
    margin-left: auto;
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: inherit;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); }
    .process-steps { grid-template-columns: repeat(2, 1fr) !important; }
    .brands-grid-rich { grid-template-columns: repeat(3, 1fr); }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .topbar { display: none; }
    .hero-grid, .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .hero-title { font-size: 2.1rem; }
    .mobile-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: 72px;
        left: 0;
        width: 100%;
        background-color: #FFFFFF;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
        display: none;
    }
    .main-nav.is-active { display: block; }
    .nav-list {
        flex-direction: column;
        padding: 20px;
        gap: 16px;
    }
    .header-actions .btn { display: none; }
    .quote-form .form-row {
        flex-direction: column;
        gap: 0;
    }
    .col-6, .col-4 { flex: 0 0 100%; }
    .brands-grid-rich { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .product-grid, .process-steps { grid-template-columns: 1fr !important; }
    .brands-grid-rich { grid-template-columns: 1fr; }
    .form-wrapper { padding: 24px 16px; }
}