/* ==========================================================================
   ULAŞ ULUSAL TESİS YÖNETİMİ A.Ş. — ULTIMATE ENTERPRISE LIGHT DESIGN SYSTEM
   Standard: Apple / Stripe / CBRE Grade Corporate Minimalism & Architectural Cleanliness
   ========================================================================== */

:root {
    /* Pure White Canvas & Soft Architectural Surfaces */
    --c-canvas: #ffffff;
    --c-surface-1: #ffffff;
    --c-surface-2: #f8fafc;
    --c-surface-3: #f1f5f9;
    
    /* Precision Borders */
    --c-border: #e2e8f0;
    --c-border-light: #f1f5f9;
    --c-border-focus: #059669;

    /* Corporate Master Palette */
    --c-brand: #059669;            /* Ulaş Zümrüt Yeşili */
    --c-brand-hover: #047857;      /* Koyu Zümrüt */
    --c-brand-light: #10b981;      /* Canlı Vurgu Yeşili */
    --c-brand-subtle: #ecfdf5;     /* Ultra Açık Zümrüt Zemin */
    --c-brand-border: #a7f3d0;     /* İnce Zümrüt Çerçeve */
    
    /* High-End Slate Typography */
    --c-text-title: #0f172a;       /* En Derin Kömür Arduvaz */
    --c-text-body: #334155;        /* Okunabilir Orta Arduvaz */
    --c-text-muted: #64748b;       /* Yardımcı Gri */
    --c-text-subtle: #94a3b8;      /* İkincil Bilgi */
    --c-text-white: #ffffff;

    /* Typography Settings */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Radius Standards */
    --r-xs: 6px;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 24px;
    --r-full: 9999px;

    /* Ultra Soft Luxury Shadows */
    --sh-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 6px 16px rgba(15, 23, 42, 0.03);
    --sh-card-hover: 0 12px 32px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(5, 150, 105, 0.08);
    --sh-btn: 0 4px 14px rgba(5, 150, 105, 0.28);
    --sh-header: 0 1px 8px rgba(15, 23, 42, 0.05);
}

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

html {
    scroll-behavior: smooth;
    color-scheme: light;
}

body {
    background-color: var(--c-canvas);
    color: var(--c-text-body);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* =============================================================
   1. TOPBAR & ANNOUNCEMENT
   ============================================================= */
.top-notice-bar {
    background: #0f172a;
    color: #cbd5e1;
    font-size: 0.78rem;
    padding: 0.45rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #1e293b;
}

.top-notice-bar a {
    color: #10b981;
    text-decoration: none;
    font-weight: 600;
}

.top-notice-bar a:hover {
    text-decoration: underline;
}

.top-contacts {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .top-notice-bar { display: none; }
}

/* =============================================================
   2. NAVBAR
   ============================================================= */
.landing-nav {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--c-border);
    z-index: 1000;
    transition: all 0.25s ease;
}

.landing-nav.scrolled {
    height: 72px;
    box-shadow: var(--sh-header);
    background: rgba(255, 255, 255, 0.98);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    height: 100%;
    padding: 0 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.25rem;
}

.brand-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    flex-shrink: 0;
    white-space: nowrap;
}

.brand-badge-box {
    width: 42px;
    height: 42px;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-hover) 100%);
    color: #ffffff;
    font-size: 1.35rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
}

.brand-logo-img {
    max-height: 40px;
    max-width: 150px;
    object-fit: contain;
}

.brand-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--c-text-title);
    letter-spacing: -0.02em;
    line-height: 1.15;
    white-space: nowrap;
}

.brand-subtitle {
    font-size: 0.68rem;
    color: var(--c-brand);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-shrink: 1;
    white-space: nowrap;
}

.nav-item-link {
    color: var(--c-text-body);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    position: relative;
    padding: 0.45rem 0;
    white-space: nowrap;
    display: inline-block;
    transition: color 0.15s ease;
}

.nav-item-link:hover {
    color: var(--c-brand);
}

.nav-item-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--c-brand);
    transition: width 0.2s ease;
}

.nav-item-link:hover::after {
    width: 100%;
}

.nav-actions-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
    white-space: nowrap;
}

.btn-nav-ariza {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 1.15rem;
    border-radius: var(--r-full);
    border: 1.5px solid var(--c-brand);
    color: var(--c-brand);
    background: transparent;
    font-size: 0.84rem;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.btn-nav-ariza:hover {
    background: var(--c-brand-subtle);
    color: var(--c-brand-hover);
    border-color: var(--c-brand-hover);
}

.btn-nav-portal {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.52rem 1.25rem;
    background: #0f172a;
    color: #ffffff;
    font-size: 0.84rem;
    font-weight: 700;
    border-radius: 10px;
    text-decoration: none;
    white-space: nowrap;
    transition: all 0.2s ease;
    border: none;
}

.btn-nav-portal:hover {
    background: var(--c-brand);
    color: #ffffff;
    box-shadow: var(--sh-btn);
    transform: translateY(-1px);
}

.mobile-toggle-btn {
    display: none;
    background: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text-title);
    font-size: 1.25rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--r-sm);
    cursor: pointer;
}

@media (max-width: 1280px) {
    .nav-container { padding: 0 1.25rem; gap: 0.85rem; }
    .nav-menu { gap: 1.1rem; }
    .nav-item-link { font-size: 0.84rem; }
    .brand-title { font-size: 0.95rem; }
    .btn-nav-ariza { padding: 0.45rem 0.9rem; font-size: 0.80rem; }
    .btn-nav-portal { padding: 0.48rem 1rem; font-size: 0.80rem; }
}

@media (max-width: 1050px) {
    .nav-menu { gap: 0.85rem; }
    .nav-item-link { font-size: 0.80rem; }
    .brand-subtitle { display: none; }
}

@media (max-width: 992px) {
    .nav-menu { display: none; }
    .btn-nav-ariza { display: none !important; }
    .mobile-toggle-btn { display: block; }
}

/* =============================================================
   3. HERO SECTION (White Architectural Grandeur)
   ============================================================= */
.hero-wrapper {
    background: #ffffff;
    position: relative;
    padding: 90px 0 80px;
    border-bottom: 1px solid var(--c-border);
}

.hero-container {
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4.5rem;
    align-items: center;
}

@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        padding-top: 20px;
    }
}

.hero-tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 1.15rem;
    background: var(--c-brand-subtle);
    border: 1px solid var(--c-brand-border);
    border-radius: var(--r-full);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--c-brand-hover);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1.5rem;
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--c-brand);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.2);
}

.hero-main-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.04em;
    color: var(--c-text-title);
    margin-bottom: 1.4rem;
}

@media (max-width: 768px) {
    .hero-main-title { font-size: 2.45rem; }
}

.title-brand-highlight {
    color: var(--c-brand);
}

.hero-sub-text {
    font-size: 1.12rem;
    color: var(--c-text-body);
    line-height: 1.75;
    margin-bottom: 2.4rem;
    max-width: 600px;
}

.hero-btn-row {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    flex-wrap: wrap;
    margin-bottom: 2.8rem;
}

.btn-primary-corp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.95rem 2rem;
    background: var(--c-brand);
    color: #ffffff;
    font-size: 0.98rem;
    font-weight: 700;
    border-radius: var(--r-sm);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: var(--sh-btn);
}

.btn-primary-corp:hover {
    background: var(--c-brand-hover);
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(5, 150, 105, 0.35);
}

.btn-secondary-corp {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.95rem 1.85rem;
    background: var(--c-surface-1);
    border: 1px solid var(--c-border);
    color: var(--c-text-title);
    font-size: 0.98rem;
    font-weight: 700;
    border-radius: var(--r-sm);
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: var(--sh-card);
}

.btn-secondary-corp:hover {
    background: var(--c-surface-2);
    border-color: #cbd5e1;
    color: var(--c-brand);
    transform: translateY(-1px);
}

.hero-guarantee-strip {
    display: flex;
    align-items: center;
    gap: 2.2rem;
    flex-wrap: wrap;
    padding-top: 1.6rem;
    border-top: 1px solid var(--c-border);
}

.guarantee-unit {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--c-text-title);
}

.guarantee-unit i {
    color: var(--c-brand);
    font-size: 1rem;
}

/* 3D Model Vitrini */
.hero-stage-card {
    position: relative;
    background: linear-gradient(145deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    height: 520px;
    box-shadow: var(--sh-card-hover);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

#canvas3d-container {
    width: 100%;
    height: 100%;
}

.floating-kpi-badge {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(14px);
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 0.9rem 1.35rem;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    box-shadow: var(--sh-card-hover);
    z-index: 10;
    pointer-events: none;
}

.kpi-pos-top {
    top: 24px;
    right: 24px;
}

.kpi-pos-bottom {
    bottom: 24px;
    left: 24px;
}

.kpi-icon-square {
    width: 42px;
    height: 42px;
    border-radius: var(--r-sm);
    background: var(--c-brand-subtle);
    color: var(--c-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.kpi-main-val {
    font-size: 0.96rem;
    font-weight: 800;
    color: var(--c-text-title);
}

.kpi-sub-lbl {
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--c-text-muted);
}

/* =============================================================
   4. METRIC STRIP (Numbers that Matter)
   ============================================================= */
.metric-strip-wrap {
    background: var(--c-surface-2);
    border-bottom: 1px solid var(--c-border);
    padding: 3rem 0;
}

.metric-strip-grid {
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
}

@media (max-width: 992px) {
    .metric-strip-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
}

.metric-cell {
    border-left: 3px solid var(--c-brand);
    padding-left: 1.5rem;
}

.metric-num-bold {
    font-size: 2.6rem;
    font-weight: 900;
    color: var(--c-text-title);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.45rem;
}

.metric-desc-lbl {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-text-muted);
}

/* =============================================================
   5. GENERAL SECTION STYLING
   ============================================================= */
.section-block {
    padding: 110px 0;
    position: relative;
}

.section-block-alt {
    background: var(--c-surface-2);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

.main-content-container {
    max-width: 1340px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-header-box {
    margin-bottom: 4rem;
    max-width: 720px;
}

.section-header-box.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.header-category-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--c-brand);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.85rem;
}

.header-title-text {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--c-text-title);
    letter-spacing: -0.03em;
    line-height: 1.2;
    margin-bottom: 1.1rem;
}

.header-desc-text {
    font-size: 1.08rem;
    color: var(--c-text-muted);
    line-height: 1.7;
}

/* =============================================================
   6. ABOUT & CORPORATE GOVERNANCE
   ============================================================= */
.about-two-col {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4.5rem;
    align-items: center;
}

@media (max-width: 992px) {
    .about-two-col { grid-template-columns: 1fr; }
}

.pillar-items-column {
    display: flex;
    flex-direction: column;
    gap: 1.35rem;
    margin-top: 2rem;
}

.pillar-card {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-md);
    padding: 1.5rem 1.8rem;
    display: flex;
    align-items: flex-start;
    gap: 1.4rem;
    box-shadow: var(--sh-card);
    transition: all 0.2s ease;
}

.pillar-card:hover {
    border-color: var(--c-brand);
    box-shadow: var(--sh-card-hover);
    transform: translateY(-2px);
}

.pillar-icon-box {
    width: 50px;
    height: 50px;
    border-radius: var(--r-sm);
    background: var(--c-brand-subtle);
    color: var(--c-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.pillar-title-text {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--c-text-title);
    margin-bottom: 0.3rem;
}

.pillar-detail-text {
    font-size: 0.90rem;
    color: var(--c-text-body);
    line-height: 1.6;
}

.governance-audit-panel {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: 2.6rem;
    box-shadow: var(--sh-card-hover);
}

.panel-header-badge {
    display: inline-block;
    padding: 0.35rem 0.9rem;
    background: var(--c-brand-subtle);
    border: 1px solid var(--c-brand-border);
    color: var(--c-brand-hover);
    font-size: 0.74rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--r-xs);
    margin-bottom: 1.3rem;
}

.sla-progress-track {
    margin-top: 2.2rem;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.sla-row-head {
    display: flex;
    justify-content: space-between;
    font-size: 0.90rem;
    font-weight: 700;
    color: var(--c-text-title);
    margin-bottom: 0.45rem;
}

.sla-bar-base {
    height: 7px;
    background: #e2e8f0;
    border-radius: var(--r-full);
    overflow: hidden;
}

.sla-bar-fill {
    height: 100%;
    background: var(--c-brand);
    border-radius: var(--r-full);
}

/* =============================================================
   7. REFERENCE PROJECTS (PORTFOLIO)
   ============================================================= */
.projects-showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2.2rem;
}

.project-card {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: 2.2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--sh-card);
    transition: all 0.25s ease;
}

.project-card:hover {
    border-color: var(--c-brand);
    box-shadow: var(--sh-card-hover);
    transform: translateY(-4px);
}

.project-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.4rem;
}

.project-name-bold {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--c-text-title);
    margin-bottom: 0.35rem;
}

.project-location-lbl {
    font-size: 0.86rem;
    color: var(--c-text-muted);
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.project-badge-active {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.3rem 0.8rem;
    border-radius: var(--r-full);
    background: var(--c-brand-subtle);
    color: var(--c-brand-hover);
    border: 1px solid var(--c-brand-border);
    white-space: nowrap;
}

.project-metrics-row {
    display: flex;
    gap: 2.2rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    margin-bottom: 1.4rem;
}

.project-metric-val {
    font-size: 1.35rem;
    font-weight: 900;
    color: var(--c-text-title);
}

.project-metric-name {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.project-tags-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.6rem;
}

.project-spec-tag {
    font-size: 0.76rem;
    font-weight: 600;
    padding: 0.3rem 0.75rem;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-xs);
    color: var(--c-text-body);
}

.btn-resident-portal-link {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1rem;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    color: var(--c-text-title);
    font-size: 0.88rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-resident-portal-link:hover {
    background: var(--c-brand);
    border-color: var(--c-brand);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.2);
}

/* =============================================================
   8. SERVICES (ENTERPRISE MATRIX)
   ============================================================= */
.services-six-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.2rem;
}

@media (max-width: 992px) {
    .services-six-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .services-six-grid { grid-template-columns: 1fr; }
}

.service-feature-card {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: 2.4rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--sh-card);
    transition: all 0.25s ease;
}

.service-feature-card:hover {
    border-color: var(--c-brand);
    box-shadow: var(--sh-card-hover);
    transform: translateY(-4px);
}

.service-icon-box {
    width: 54px;
    height: 54px;
    border-radius: var(--r-md);
    background: var(--c-brand-subtle);
    color: var(--c-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    margin-bottom: 1.6rem;
}

.service-name-text {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--c-text-title);
    margin-bottom: 0.75rem;
}

.service-body-desc {
    font-size: 0.92rem;
    color: var(--c-text-body);
    line-height: 1.7;
    margin-bottom: 1.8rem;
}

.service-compliance-badge {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--c-brand);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* =============================================================
   9. PROPOSAL & CONTACT
   ============================================================= */
.contact-form-layout {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 3rem;
    align-items: flex-start;
}

@media (max-width: 992px) {
    .contact-form-layout { 
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

.contact-channels-list {
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
}

.contact-channel-card {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: 1.5rem 1.8rem;
    display: flex;
    align-items: center;
    gap: 1.4rem;
    box-shadow: var(--sh-card);
}

.channel-icon-cube {
    width: 52px;
    height: 52px;
    border-radius: var(--r-md);
    background: var(--c-brand-subtle);
    color: var(--c-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.channel-title-lbl {
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--c-text-muted);
    margin-bottom: 0.25rem;
}

.channel-value-txt {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--c-text-title);
}

.channel-value-txt a {
    color: var(--c-text-title);
    text-decoration: none;
    transition: color 0.15s;
}

.channel-value-txt a:hover {
    color: var(--c-brand);
}

.contact-assurance-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid var(--c-border);
    border-radius: var(--r-lg);
    padding: 1.5rem 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.assurance-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--r-md);
    background: #ecfdf5;
    color: var(--c-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    flex-shrink: 0;
}

.proposal-form-container {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: 3rem;
    box-shadow: var(--sh-card-hover);
}

.field-label-standard {
    display: block;
    font-size: 0.80rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--c-text-title);
    margin-bottom: 0.5rem;
}

.input-control-standard {
    width: 100%;
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: var(--r-sm);
    padding: 0.85rem 1.1rem;
    color: var(--c-text-title);
    font-size: 0.94rem;
    font-family: var(--font-sans);
    transition: all 0.2s ease;
}

.input-control-standard:focus {
    outline: none;
    background: #ffffff;
    border-color: var(--c-brand);
    box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.15);
}

.input-control-standard::placeholder {
    color: var(--c-text-subtle);
}

.btn-submit-proposal {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--c-brand);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 800;
    border: none;
    border-radius: var(--r-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--sh-btn);
}

.btn-submit-proposal:hover {
    background: var(--c-brand-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(5, 150, 105, 0.35);
}

.btn-submit-proposal:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

/* =============================================================
   10. FOOTER (High Contrast Corporate Night)
   ============================================================= */
.corporate-footer-wrap {
    background: #090e1a;
    color: #ffffff;
    border-top: 1px solid #1e293b;
    padding: 85px 0 35px;
}

.footer-four-col-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 3.5rem;
    margin-bottom: 4.5rem;
}

@media (max-width: 992px) {
    .footer-four-col-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 580px) {
    .footer-four-col-grid { grid-template-columns: 1fr; }
}

.footer-brand-title {
    font-size: 1.15rem;
    font-weight: 900;
    color: #ffffff;
    letter-spacing: -0.01em;
}

.footer-brand-summary {
    color: #cbd5e1;
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1.4rem;
    max-width: 350px;
}

.footer-phone-badge {
    color: #ffffff;
    font-size: 0.90rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.footer-phone-badge i {
    color: #10b981;
}

.footer-heading-col {
    font-size: 0.86rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #ffffff;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.6rem;
}

.footer-heading-col::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 26px;
    height: 2px;
    background: #10b981;
}

.footer-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.footer-nav-list li a {
    color: #cbd5e1;
    font-size: 0.90rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
}

.footer-nav-list li a:hover {
    color: #10b981;
    transform: translateX(4px);
}

.footer-bottom-baseline {
    padding-top: 2.2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.86rem;
    color: #94a3b8;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.footer-bottom-baseline a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.15s;
}

.footer-bottom-baseline a:hover {
    color: #10b981;
}

/* =============================================================
   GRUP ŞİRKETLERİMİZ (Ulaş Ulusal Grup Ekosistemi)
   ============================================================= */
.section-group-companies {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 50%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.group-companies-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    margin-top: 3rem;
}

@media (max-width: 1200px) {
    .group-companies-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .group-companies-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

.group-company-card {
    background: #ffffff;
    border: 1px solid var(--c-border);
    border-radius: var(--r-xl);
    padding: 2.25rem 1.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    box-shadow: var(--sh-card);
}

.group-company-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-card-hover);
    border-color: var(--card-accent-border, var(--c-border-focus));
}

.group-company-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 2rem;
    right: 2rem;
    height: 3px;
    background: var(--card-accent-gradient, linear-gradient(90deg, #10b981, #059669));
    border-radius: 0 0 4px 4px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.group-company-card:hover::before {
    opacity: 1;
}

.group-co-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.group-co-monogram {
    width: 52px;
    height: 52px;
    border-radius: var(--r-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #ffffff;
    box-shadow: 0 6px 16px -2px rgba(0,0,0,0.12);
    font-weight: 800;
}

.group-co-tag {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: var(--r-full);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.group-co-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--c-text-title);
    margin-bottom: 0.35rem;
    letter-spacing: -0.02em;
}

.group-co-subtitle {
    font-size: 0.80rem;
    font-weight: 600;
    color: var(--c-brand);
    margin-bottom: 1rem;
    line-height: 1.35;
}

.group-co-desc {
    font-size: 0.88rem;
    color: var(--c-text-body);
    line-height: 1.65;
    margin-bottom: 1.5rem;
}

.group-co-services {
    list-style: none;
    padding: 0;
    margin: 0 0 1.75rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.group-co-services li {
    font-size: 0.82rem;
    color: var(--c-text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.group-co-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: var(--r-md);
    background: var(--c-surface-2);
    color: var(--c-text-title);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.2s ease;
    border: 1px solid var(--c-border);
}

.group-co-cta:hover {
    background: var(--c-brand);
    color: #ffffff;
    border-color: var(--c-brand);
}

.group-ecosystem-banner {
    margin-top: 3.5rem;
    background: linear-gradient(135deg, #0f172a 0%, #163E26 100%);
    border-radius: var(--r-xl);
    padding: 2.5rem 3rem;
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
    box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.3);
}

@media (max-width: 768px) {
    .group-ecosystem-banner {
        padding: 1.75rem 1.5rem;
        flex-direction: column;
        text-align: center;
    }
}