/* ==========================================================================
   CİHAN DEMİR ÇELİK - Apple Titanium & Steel Blue Design System
   ========================================================================== */

:root {
    /* Apple Titanium Light Palette (Refined Silver & Off-White) */
    --bg-main: #f5f5f7;
    --bg-surface: #eaeaf0;
    --bg-surface-secondary: #e2e2e8;
    --bg-card: rgba(255, 255, 255, 0.88);
    --bg-card-hover: rgba(255, 255, 255, 0.98);
    --bg-card-solid: #ffffff;
    --bg-card-inner: rgba(0, 0, 0, 0.02);
    
    /* Typography & Text */
    --text-primary: #11141a;
    --text-secondary: #4a5160;
    --text-muted: #7c8595;
    --text-light: #647082;
    
    /* Brand Colors - Cihan Demir Çelik Steel Blue & Navy Palette */
    --brand-blue: #1d5b99;
    --brand-blue-hover: #154677;
    --brand-blue-light: #2874c2;
    --brand-blue-glow: rgba(29, 91, 153, 0.28);
    --brand-blue-bg: rgba(29, 91, 153, 0.08);
    --brand-blue-border: rgba(29, 91, 153, 0.22);

    --accent-cyan: #0084ff;
    --accent-cyan-bg: rgba(0, 132, 255, 0.08);
    --accent-orange: #ff6b00;
    --accent-orange-bg: rgba(255, 107, 0, 0.09);
    
    /* Borders & Glassmorphism */
    --border-glass: rgba(0, 0, 0, 0.07);
    --border-glass-hover: rgba(29, 91, 153, 0.25);
    --border-subtle: #dbe0e8;
    --shadow-sm: 0 4px 14px rgba(18, 38, 63, 0.04);
    --shadow-md: 0 12px 32px rgba(18, 38, 63, 0.07);
    --shadow-lg: 0 22px 50px rgba(18, 38, 63, 0.11);
    --glass-blur: blur(25px) saturate(180%);
    --glass-nav-blur: blur(25px) saturate(190%);
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
    
    /* Radii & Transitions */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --radius-pill: 9999px;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.7s cubic-bezier(0.16, 1, 0.3, 1);
    
    --container-max: 1240px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-family);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    overflow-x: hidden;
    position: relative;
}

::selection {
    background: var(--brand-blue);
    color: #fff;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

/* ==========================================================================
   Layout & Container
   ========================================================================== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 7rem 0;
    position: relative;
}

@media (max-width: 768px) {
    .section {
        padding: 4.5rem 0;
    }
}

/* ==========================================================================
   Typography & Headers
   ========================================================================== */
.section-header {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 4rem auto;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--brand-blue);
    background: var(--brand-blue-bg);
    border: 1px solid var(--brand-blue-border);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    margin-bottom: 1.25rem;
    backdrop-filter: var(--glass-blur);
}

.eyebrow-cyan {
    color: var(--accent-cyan);
    background: var(--accent-cyan-bg);
    border-color: rgba(0, 132, 255, 0.25);
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background-color: var(--brand-blue);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--brand-blue);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.85); }
}

.section-title {
    font-size: clamp(2.2rem, 4.5vw, 3.3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* ==========================================================================
   Buttons (Apple Steel Blue Style)
   ========================================================================== */
.btn-group {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.85rem 1.85rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    outline: none;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, #174b80 0%, #216bb5 100%);
    color: #ffffff;
    box-shadow: 0 4px 18px var(--brand-blue-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(29, 91, 153, 0.4);
    background: linear-gradient(135deg, #113c67 0%, #1a5896 100%);
}

.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.btn-secondary:hover {
    background: #fdfdfd;
    border-color: #b8c4d4;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.btn svg {
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* ==========================================================================
   Navigation Bar (Apple Translucent Silver Pill with Official Logo)
   ========================================================================== */
.navbar-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    transition: var(--transition-smooth);
}

.navbar-wrapper.scrolled {
    padding: 0.75rem 0;
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(245, 246, 248, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: var(--glass-nav-blur);
    -webkit-backdrop-filter: var(--glass-nav-blur);
    padding: 0.55rem 1.3rem;
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 30px rgba(18, 38, 63, 0.06);
    transition: var(--transition-smooth);
}

.navbar-wrapper.scrolled .navbar {
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 12px 35px rgba(18, 38, 63, 0.09);
    border-color: rgba(0, 0, 0, 0.1);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-logo-img {
    height: 42px;
    width: auto;
    display: block;
    object-fit: contain;
    mix-blend-mode: multiply;
    transition: transform var(--transition-fast);
}

.brand:hover .brand-logo-img {
    transform: scale(1.03);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
    padding: 0.25rem 0;
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text-primary);
}

/* ==========================================================================
   Hero Section (Apple Silver Titanium & Steel Blue Glow)
   ========================================================================== */
.hero {
    min-height: 100vh;
    padding: 10rem 0 5rem 0;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at 70% 30%, rgba(29, 91, 153, 0.09) 0%, transparent 50%),
                radial-gradient(circle at 15% 75%, rgba(0, 132, 255, 0.06) 0%, transparent 45%),
                linear-gradient(180deg, #edf0f5 0%, #f5f6f8 100%);
}

.hero-glow-bg {
    position: absolute;
    top: -15%;
    left: 50%;
    transform: translateX(-50%);
    width: 850px;
    height: 450px;
    background: radial-gradient(circle, rgba(29, 91, 153, 0.12) 0%, rgba(0, 132, 255, 0.05) 50%, transparent 75%);
    filter: blur(70px);
    z-index: 1;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 640px;
}

.hero-headline {
    font-size: clamp(2.8rem, 5.5vw, 4.3rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.08;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.gradient-text-blue {
    background: linear-gradient(135deg, #174b80 0%, #2979cb 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-desc {
    font-size: 1.2rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.hero-features-chips {
    display: flex;
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.chip-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.chip-item svg {
    color: var(--brand-blue);
}

/* Hero Showcase Frame */
.hero-visual {
    position: relative;
}

.showcase-frame {
    position: relative;
    border-radius: var(--radius-lg);
    background: #ffffff;
    padding: 6px;
    border: 1px solid var(--border-subtle);
    box-shadow: 0 25px 60px -15px rgba(18, 38, 63, 0.12), 0 0 40px rgba(29, 91, 153, 0.08);
    overflow: hidden;
}

.showcase-inner {
    border-radius: calc(var(--radius-lg) - 6px);
    overflow: hidden;
    position: relative;
    background: #111;
}

.showcase-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    display: block;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-frame:hover .showcase-img {
    transform: scale(1.03);
}

.showcase-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 1.75rem;
}

.showcase-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: var(--glass-blur);
    padding: 0.6rem 1.2rem;
    border-radius: var(--radius-pill);
    color: #11141a;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.showcase-badge-icon {
    width: 10px;
    height: 10px;
    background: var(--brand-blue);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--brand-blue);
}

/* ==========================================================================
   Stats Section (Apple Clean Metrics)
   ========================================================================== */
.stats-section {
    padding: 1.5rem 0 4.5rem 0;
    position: relative;
    z-index: 3;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.stat-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 2.2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: #b8c4d4;
    box-shadow: var(--shadow-md);
}

.stat-value-wrap {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 0.4rem;
}

.stat-number {
    font-size: 3.1rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: var(--text-primary);
}

.stat-suffix {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brand-blue);
    margin-left: 2px;
}

.stat-label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ==========================================================================
   Services Section (Apple Bento Grid)
   ========================================================================== */
.services-bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

.bento-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
}

.bento-card:hover {
    transform: translateY(-5px);
    border-color: var(--brand-blue);
    box-shadow: var(--shadow-lg);
}

.bento-col-7 { grid-column: span 7; }
.bento-col-5 { grid-column: span 5; }
.bento-col-4 { grid-column: span 4; }
.bento-col-6 { grid-column: span 6; }
.bento-col-12 { grid-column: span 12; }

.bento-media {
    position: relative;
    height: 280px;
    overflow: hidden;
    background: #111;
}

.bento-media-tall { height: 320px; }
.bento-media-compact { height: 230px; }

.bento-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.bento-card:hover .bento-img {
    transform: scale(1.05);
}

.bento-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3) 0%, transparent 60%);
}

.bento-badge-tag {
    position: absolute;
    top: 1.25rem;
    left: 1.25rem;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: var(--glass-blur);
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.bento-body {
    padding: 1.85rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: #ffffff;
}

.bento-title {
    font-size: 1.45rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 0.6rem;
}

.bento-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.bento-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.spec-pill {
    font-size: 0.78rem;
    font-weight: 600;
    color: #3b4453;
    background: #eef2f7;
    border: 1px solid #d8e0ea;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-pill);
}

.bento-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid #eaedf3;
}

.bento-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--brand-blue);
    transition: var(--transition-fast);
}

.bento-link:hover {
    color: var(--brand-blue-hover);
    gap: 0.75rem;
}

/* ==========================================================================
   Engineering Standards / Features Grid
   ========================================================================== */
.features-section {
    background: #eaedf3;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-box {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
}

.feature-box:hover {
    transform: translateY(-4px);
    border-color: #b8c4d4;
    box-shadow: var(--shadow-md);
}

.feature-icon-wrap {
    width: 52px;
    height: 52px;
    background: var(--brand-blue-bg);
    border: 1px solid var(--brand-blue-border);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-blue);
    margin-bottom: 1.5rem;
}

.feature-icon-wrap.cyan {
    background: var(--accent-cyan-bg);
    border-color: rgba(0, 132, 255, 0.25);
    color: var(--accent-cyan);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Interactive Capability / Quote Estimator Tab
   ========================================================================== */
.estimator-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
    margin-top: 3rem;
}

.estimator-tabs {
    display: flex;
    gap: 0.75rem;
    border-bottom: 1px solid #eaedf3;
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    overflow-x: auto;
}

.estimator-tab {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-pill);
    background: #eef2f7;
    border: 1px solid #d8e0ea;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.estimator-tab.active {
    background: linear-gradient(135deg, #174b80 0%, #216bb5 100%);
    color: #ffffff;
    border-color: var(--brand-blue);
    box-shadow: 0 4px 14px var(--brand-blue-glow);
}

.estimator-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.estimator-spec-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.spec-row {
    display: flex;
    justify-content: space-between;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #eaedf3;
}

.spec-row-label {
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
}

.spec-row-val {
    color: var(--text-primary);
    font-weight: 700;
    font-size: 0.95rem;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content {
    max-width: 560px;
}

.about-p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.75rem;
}

.about-checklist {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.check-item-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--brand-blue-bg);
    color: var(--brand-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.about-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    box-shadow: var(--shadow-md);
    background: #fff;
    padding: 6px;
}

.about-image-card img {
    width: 100%;
    height: 460px;
    object-fit: cover;
    border-radius: calc(var(--radius-lg) - 6px);
}

/* ==========================================================================
   SEO FAQ Section
   ========================================================================== */
.faq-section {
    background: #eaedf3;
    border-top: 1px solid var(--border-subtle);
}

.faq-grid {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: #b8c4d4;
}

.faq-question {
    padding: 1.4rem 1.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text-primary);
    user-select: none;
}

.faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #eef2f7;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-fast), background var(--transition-fast);
    color: var(--brand-blue);
    flex-shrink: 0;
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
    background: var(--brand-blue-bg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
    padding: 0 1.8rem;
    color: var(--text-secondary);
    font-size: 0.96rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 1.8rem 1.4rem 1.8rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
}

.contact-card {
    background: #ffffff;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    margin-bottom: 2.5rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.contact-icon-box {
    width: 48px;
    height: 48px;
    background: #eef2f7;
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-blue);
    flex-shrink: 0;
}

.contact-item-title {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    font-weight: 700;
}

.contact-item-val {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
}

.contact-item-val a:hover {
    color: var(--brand-blue);
}

/* Form Controls */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-control {
    width: 100%;
    padding: 0.95rem 1.25rem;
    background: #f8f9fb;
    border: 1px solid #d0d7e2;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-control:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 3px var(--brand-blue-glow);
    background: #ffffff;
}

textarea.form-control {
    min-height: 130px;
    resize: vertical;
}

.map-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
    height: 100%;
    min-height: 380px;
    box-shadow: var(--shadow-md);
}

.map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* ==========================================================================
   Footer (Apple Light Titanium & Steel Blue)
   ========================================================================== */
.footer {
    background: #e8ecf3;
    border-top: 1px solid var(--border-subtle);
    padding: 5rem 0 2.5rem 0;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
    margin-top: 1rem;
    max-width: 320px;
}

.footer-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.92rem;
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--brand-blue);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid #d4dbe6;
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ==========================================================================
   Scroll Reveal Animations
   ========================================================================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .showcase-frame {
        max-width: 600px;
        margin: 0 auto;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .bento-col-7, .bento-col-5, .bento-col-4, .bento-col-6 {
        grid-column: span 6;
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-grid {
        grid-template-columns: 1fr;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .estimator-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    .nav-links {
        position: fixed;
        top: 75px;
        left: 1.5rem;
        right: 1.5rem;
        background: rgba(255, 255, 255, 0.98);
        border: 1px solid var(--border-subtle);
        backdrop-filter: var(--glass-blur);
        border-radius: var(--radius-lg);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        opacity: 0;
        pointer-events: none;
        transform: translateY(-10px);
        transition: var(--transition-smooth);
        box-shadow: 0 20px 50px rgba(18, 38, 63, 0.15);
    }
    .nav-links.active {
        opacity: 1;
        pointer-events: all;
        transform: translateY(0);
    }
    .hamburger {
        display: block;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .bento-col-7, .bento-col-5, .bento-col-4, .bento-col-6 {
        grid-column: span 12;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
}