:root {
    /* Brand Colors extracted from logo/uniform */
    --brand-green: #1EA33A; /* Map green */
    --brand-green-glow: rgba(30, 163, 58, 0.4);
    --brand-red: #E51E25; /* Uniform red */
    --brand-red-glow: rgba(229, 30, 37, 0.5);
    
    /* Dark Theme Colors */
    --bg-dark: #0a0c10;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.08);
    --text-main: #f0f0f0;
    --text-muted: #a0aab2;
    --border-color: rgba(255, 255, 255, 0.1);
    
    /* Spacing & Layout */
    --container-width: 1200px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-dark);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Tiling Pattern Texture Overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
    background-size: 80px 80px;
    z-index: -2;
    pointer-events: none;
}

/* Ambient Glow Effect */
.ambient-glow-1, .ambient-glow-2 {
    content: '';
    position: fixed;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(150px);
    z-index: -1;
    pointer-events: none;
}

.ambient-glow-1 {
    top: -200px;
    left: -200px;
    background: radial-gradient(circle, rgba(30, 163, 58, 0.08) 0%, transparent 70%);
}

.ambient-glow-2 {
    bottom: -200px;
    right: -200px;
    background: radial-gradient(circle, rgba(229, 30, 37, 0.05) 0%, transparent 70%);
}

h1, h2, h3, h4, h5, h6, .logo-title {
    font-family: 'Outfit', sans-serif;
}

.text-green { color: var(--brand-green); }
.text-red { color: var(--brand-red); }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Glassmorphism utility */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all 0.4s ease;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

/* --- Typography --- */
.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 2rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: 'Inter', sans-serif;
}

.btn-primary {
    background-color: #A31215; /* Sẫm hơn, sang trọng hơn màu đỏ tươi */
    color: white;
}

.btn-primary:hover {
    background-color: #820D10;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(229, 30, 37, 0.4);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 1px solid var(--border-color);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.05);
    border-color: white;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.15rem;
    font-weight: 600;
}

.btn-massive {
    padding: 20px 40px;
    font-size: 1.5rem;
    font-weight: 800;
    width: 100%;
    border-radius: var(--radius-lg);
}

/* --- Device Visibility Utilities --- */
.mobile-only {
    display: none !important;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none !important;
    }
    .mobile-only {
        display: flex !important;
    }
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 12, 16, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    transition: all 0.3s ease;
}

/* Apple-Style Thin Top Scroll Progress Bar */
.scroll-progress-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2.5px;
    width: 0%;
    background: linear-gradient(90deg, var(--brand-red) 0%, var(--brand-green) 100%);
    box-shadow: 0 0 10px var(--brand-green);
    z-index: 1001;
    transition: width 0.08s linear;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 88px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    filter: drop-shadow(0 2px 10px rgba(30, 163, 58, 0.25));
}

.logo:hover .logo-img {
    transform: scale(1.06);
}

.logo-mark {
    width: 48px;
    height: 48px;
    background-color: var(--brand-green);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
}

.logo-icon {
    position: absolute;
    bottom: -5px;
    right: -5px;
    font-size: 2rem;
    opacity: 0.3;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-title {
    color: white;
    font-size: 1.4rem;
    font-weight: 900;
    line-height: 1;
    letter-spacing: 1px;
}

.logo-subtitle {
    color: var(--brand-green);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--brand-green);
}

.header-tender-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: rgba(30, 163, 58, 0.12);
    border: 1px solid rgba(30, 163, 58, 0.35);
    border-radius: 50px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #4ade80;
    align-self: center;
    box-shadow: 0 0 12px rgba(30, 163, 58, 0.2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

/* ==================================================== */
/* --- Polished Porcelain Tile Call Button (Rectangular) --- */
/* ==================================================== */
.tile-call-btn {
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(180deg, #d32027 0%, #9e1014 100%);
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.92rem;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: 4px; /* Vát cạnh gạch men (Beveled tile edge) */
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 24px;
    box-shadow: 
        0 4px 18px rgba(229, 30, 37, 0.45),
        inset 0 1px 1px rgba(255, 255, 255, 0.5),
        inset 0 -1px 2px rgba(0, 0, 0, 0.4);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

/* Tia sáng phản chiếu trên bề mặt gạch men bóng (Ceramic Tile Gleam) */
.tile-call-btn::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -120%;
    width: 60%;
    height: 200%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.75), transparent);
    transform: rotate(25deg);
    animation: tileGlint 2.8s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes tileGlint {
    0% { left: -120%; }
    30% { left: 220%; }
    100% { left: 220%; }
}

.tile-call-btn:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(229, 30, 37, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.7);
    color: #ffffff;
}

.tile-call-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 10px rgba(229, 30, 37, 0.4);
}

.tile-call-btn i {
    font-size: 1.15rem;
}

.mobile-menu-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-main);
    font-size: 2rem;
    cursor: pointer;
}

/* --- Hero Section --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center bottom;
}

/* ==================================================== */
/* --- Architectural Tile Grid Reveal (Precision Tiles) --- */
/* ==================================================== */
.tile-grid-reveal {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
    --grid-spot-x: 50%;
    --grid-spot-y: 45%;
}

.tile-grid-reveal::before {
    content: '';
    position: absolute;
    inset: 0;
    background-size: 52px 52px;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
    mask-image: radial-gradient(
        circle 480px at var(--grid-spot-x, 50%) var(--grid-spot-y, 45%),
        black 0%,
        rgba(0, 0, 0, 0.48) 45%,
        transparent 80%
    );
    -webkit-mask-image: radial-gradient(
        circle 480px at var(--grid-spot-x, 50%) var(--grid-spot-y, 45%),
        black 0%,
        rgba(0, 0, 0, 0.48) 45%,
        transparent 80%
    );
    transition: mask-position 0.25s ease, -webkit-mask-position 0.25s ease;
}

.tile-grid-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        circle 380px at var(--grid-spot-x, 50%) var(--grid-spot-y, 45%),
        rgba(30, 163, 58, 0.16) 0%,
        rgba(255, 255, 255, 0.03) 40%,
        transparent 70%
    );
    opacity: 0.95;
    pointer-events: none;
}

/* Hero Overlay: Clean gradient for text readability while showcasing commercial tiling */
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(10,12,16,0.96) 0%, rgba(10,12,16,0.76) 44%, rgba(10,12,16,0.18) 75%, rgba(10,12,16,0.5) 100%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 5;
    padding-top: 30px;
    padding-bottom: 40px;
}

.hero-content {
    max-width: 720px;
    margin: 0;
}

.btn-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    font-size: 0.92rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: rgba(30, 163, 58, 0.12);
    border: 1px solid rgba(30, 163, 58, 0.45);
    color: #4ade80;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(10px);
    text-decoration: none;
}

.btn-hero-cta:hover {
    background: var(--brand-green);
    border-color: var(--brand-green);
    color: #ffffff;
    box-shadow: 0 0 20px rgba(30, 163, 58, 0.4);
    transform: translateY(-2px);
}

/* Hero Desktop Precision Level Gauge (Clean & Uncluttered) */
.hero-hud-card {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 360px;
    max-width: 360px;
    margin-left: auto;
    padding: 20px 22px;
    background: rgba(10, 14, 20, 0.94);
    border: 1px solid rgba(30, 163, 58, 0.4);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.75), 0 0 25px rgba(30, 163, 58, 0.12);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    gap: 12px;
}

.hero-hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: 12px;
}

.hud-status-line {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #4ade80;
}

.hud-tag {
    font-size: 0.68rem;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

/* Spirit Level Display */
.hero-level-display {
    background: rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 12px;
}

.level-vial-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.level-vial {
    position: relative;
    width: 100%;
    height: 26px;
    background: linear-gradient(180deg, rgba(14, 46, 22, 0.95) 0%, rgba(7, 24, 11, 0.95) 100%);
    border: 1px solid rgba(74, 222, 128, 0.5);
    border-radius: 13px;
    box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.8), 0 0 15px rgba(34, 197, 94, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.vial-target-line {
    position: absolute;
    width: 1.5px;
    height: 100%;
    background: rgba(255, 255, 255, 0.4);
    z-index: 3;
}

.vial-target-line.left-line {
    left: calc(50% - 15px);
}

.vial-target-line.right-line {
    right: calc(50% - 15px);
}

.vial-bubble {
    width: 26px;
    height: 18px;
    background: radial-gradient(circle, #86efac 20%, #22c55e 80%);
    border-radius: 50%;
    box-shadow: 0 0 10px #4ade80, inset 0 1px 2px rgba(255, 255, 255, 0.8);
    animation: bubbleOscillate 4.5s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite alternate;
    z-index: 2;
}

@keyframes bubbleOscillate {
    0% { transform: translateX(-5px); }
    25% { transform: translateX(4px); }
    50% { transform: translateX(-2px); }
    75% { transform: translateX(1px); }
    100% { transform: translateX(0px); }
}

.level-scale {
    display: flex;
    justify-content: space-between;
    font-family: monospace;
    font-size: 0.65rem;
    color: var(--text-muted);
}

.center-scale {
    color: #4ade80;
    font-weight: 700;
}

.hero-hud-specs {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    width: 100%;
    margin-top: 4px;
}

.hud-spec-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(20, 26, 36, 0.95);
    border: 1px solid rgba(30, 163, 58, 0.45);
    border-radius: 8px;
    font-size: 0.76rem;
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 0.2px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.hud-spec-pill:hover {
    border-color: #4ade80;
    background: rgba(30, 163, 58, 0.15);
}

.hud-spec-pill i {
    font-size: 1.1rem;
    color: #4ade80;
    flex-shrink: 0;
    filter: drop-shadow(0 0 5px rgba(74, 222, 128, 0.6));
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(30, 163, 58, 0.15);
    border: 1px solid rgba(30, 163, 58, 0.3);
    color: var(--brand-green);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero h1 {
    font-size: 3.8rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 600px;
}

.hero-top-badges {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.pulse-beacon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--brand-green);
    box-shadow: 0 0 10px var(--brand-green);
    animation: beaconPulse 1.6s infinite;
}

.beacon-green {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: #22c55e;
    box-shadow: 0 0 10px #22c55e;
    animation: beaconPulse 1.6s infinite;
}

.tender-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(14, 17, 23, 0.85);
    border: 1px solid rgba(30, 163, 58, 0.4);
    border-radius: 50px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 1.2px;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background-color: #22c55e;
    box-shadow: 0 0 8px #22c55e;
    animation: beaconPulse 1.4s infinite;
}

@keyframes beaconPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.4; }
}

.hero-spec-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.spec-strip-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.86rem;
    color: var(--text-muted);
    font-weight: 500;
}

.spec-strip-divider {
    color: rgba(255, 255, 255, 0.15);
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* --- Section Layouts --- */
.section {
    padding: 100px 0;
    position: relative;
}

/* --- Capacity Section --- */
.capacity-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.legal-card {
    position: relative;
    overflow: hidden;
    padding: 32px 30px;
    margin-top: 40px;
    border-left: 4px solid var(--brand-green);
}

.legal-scanner-beam {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(30, 163, 58, 0.8) 30%, #ffffff 50%, rgba(30, 163, 58, 0.8) 70%, transparent 100%);
    box-shadow: 0 0 12px rgba(30, 163, 58, 0.8), 0 0 20px rgba(30, 163, 58, 0.4);
    pointer-events: none;
    z-index: 4;
    animation: legalScanSweep 5s ease-in-out infinite;
}

@keyframes legalScanSweep {
    0% { top: 0%; opacity: 0; }
    15% { opacity: 1; }
    85% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* Authentic Architectural Tile Crosshair Markers */
.tile-corner {
    position: absolute;
    font-family: monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: rgba(30, 163, 58, 0.45);
    line-height: 1;
    pointer-events: none;
    z-index: 5;
    user-select: none;
    transition: all 0.3s ease;
}

.glass-card:hover .tile-corner,
.stat-item:hover .tile-corner,
.project-card:hover .tile-corner {
    color: #4ade80;
    text-shadow: 0 0 8px rgba(74, 222, 128, 0.85);
}

.tc-tl { top: 8px; left: 10px; }
.tc-tr { top: 8px; right: 10px; }
.tc-bl { bottom: 8px; left: 10px; }
.tc-br { bottom: 8px; right: 10px; }

.legal-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.legal-list {
    list-style: none;
}

.legal-list li {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.legal-list li:last-child {
    border-bottom: none;
}

.legal-list .label {
    color: var(--text-muted);
}

.legal-list .value {
    font-weight: 600;
    text-align: right;
}

.capacity-image-wrapper {
    position: relative;
}

.image-box {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    aspect-ratio: 1;
}

.image-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to bottom, rgba(7, 8, 10, 0.85) 0%, transparent 100%);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    z-index: 2;
}

.compliance-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(10, 12, 16, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #f0f0f0;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.compliance-tag i {
    font-size: 1.1rem;
}

.floating-badge {
    position: absolute;
    bottom: -15px;
    right: 20px;
    background: var(--bg-dark);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--brand-green);
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.6);
    z-index: 5;
    animation: gentleFloat 4.5s ease-in-out infinite;
}

.badge-ripple-ring {
    position: absolute;
    inset: -6px;
    border-radius: calc(var(--radius-md) + 6px);
    border: 1.5px solid rgba(30, 163, 58, 0.6);
    pointer-events: none;
    animation: badgeRadarRipple 3.5s cubic-bezier(0.1, 0.8, 0.3, 1) infinite;
}

.badge-ripple-ring.ring-2 {
    animation-delay: 1.75s;
}

@keyframes badgeRadarRipple {
    0% { transform: scale(0.96); opacity: 0.8; }
    100% { transform: scale(1.18); opacity: 0; }
}

@keyframes gentleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

.legal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.verification-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(30, 163, 58, 0.15);
    border: 1px solid rgba(30, 163, 58, 0.4);
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--brand-green);
}

.beacon-green {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--brand-green);
    box-shadow: 0 0 8px var(--brand-green);
    animation: beaconPulse 1.5s infinite;
}

.floating-badge i {
    font-size: 2.5rem;
    color: var(--brand-green);
}

.floating-badge strong {
    display: block;
    font-size: 2rem;
    line-height: 1;
    font-family: 'Outfit';
}

.floating-badge span {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* --- Capabilities Section --- */
/* --- Capabilities Section: Apple-Style Sticky Showcase --- */
.tile-mortar-pattern {
    position: relative;
    background-color: #090b0e;
    background-image: 
        linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 140px 70px; /* Tỉ lệ gạch khổ lớn 2:1 */
}

.sticky-showcase-wrapper {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 45px;
    align-items: flex-start;
    margin-top: 50px;
    position: relative;
}

/* Left: Pinned Sticky Frame (Apple-Style) */
.sticky-frame {
    position: sticky;
    top: 110px;
    z-index: 10;
}

.tile-hud {
    background: rgba(14, 17, 23, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 26px 22px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(16px);
}

.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.laser-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--brand-green);
}

.laser-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--brand-green);
    box-shadow: 0 0 10px var(--brand-green);
    animation: laserBlink 1.4s infinite;
}

@keyframes laserBlink {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.4; }
}

.hud-license {
    font-family: monospace;
    font-size: 0.78rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-tile-graphic {
    position: relative;
    height: 100px;
    background: rgba(7, 8, 10, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    margin: 18px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.grid-crosshair-lines {
    position: absolute;
    inset: 0;
}

.laser-line {
    position: absolute;
    background: rgba(30, 163, 58, 0.35);
    box-shadow: 0 0 8px rgba(30, 163, 58, 0.6);
}

.laser-line.h-line {
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
}

.laser-line.v-line {
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
}

.laser-reticle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #4ade80;
    font-family: monospace;
    font-size: 1.25rem;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(74, 222, 128, 0.8);
    animation: reticlePulse 3s ease-in-out infinite alternate;
}

@keyframes reticlePulse {
    0% { transform: translate(-50%, -50%) scale(0.9); opacity: 0.6; }
    100% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}

.hud-spirit-level {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 0 16px;
}

.spirit-tube {
    position: relative;
    width: 130px;
    height: 24px;
    background: rgba(14, 46, 22, 0.95);
    border: 1px solid rgba(74, 222, 128, 0.6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.9), 0 0 12px rgba(34, 197, 94, 0.25);
}

.spirit-cross-center {
    position: absolute;
    width: 1.5px;
    height: 100%;
    background: rgba(255, 255, 255, 0.45);
    z-index: 3;
}

.spirit-bubble {
    width: 22px;
    height: 16px;
    background: radial-gradient(circle, #86efac 20%, #22c55e 80%);
    border-radius: 50%;
    box-shadow: 0 0 8px #4ade80;
    animation: spiritBubbleOscillate 3.8s cubic-bezier(0.4, 0, 0.6, 1) infinite alternate;
    z-index: 2;
}

@keyframes spiritBubbleOscillate {
    0% { transform: translateX(-5px); }
    30% { transform: translateX(4px); }
    60% { transform: translateX(-2px); }
    100% { transform: translateX(0px); }
}

.hud-tolerance-readout {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.tol-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1;
}

.tol-val small {
    font-size: 0.8rem;
    color: var(--brand-green);
    margin-left: 2px;
}

.tol-label {
    font-size: 0.64rem;
    letter-spacing: 1.2px;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 3px;
}

.hud-steps {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.hud-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.hud-step.active {
    background: rgba(30, 163, 58, 0.12);
    border-color: rgba(30, 163, 58, 0.4);
    box-shadow: 0 4px 15px rgba(30, 163, 58, 0.15);
}

.step-num {
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.hud-step.active .step-num {
    color: var(--brand-green);
}

.step-info strong {
    display: block;
    font-size: 0.9rem;
    color: #ffffff;
    font-weight: 600;
}

.step-info span {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.hud-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* Right: Scrolling & Stacking Cards */
.sticky-scroll-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.tile-stack-card {
    position: relative;
    background: rgba(14, 17, 23, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.5),
        inset 0 1px 1px rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.tile-corner {
    position: absolute;
    font-family: monospace;
    font-size: 14px;
    font-weight: 700;
    color: var(--brand-green);
    opacity: 0.7;
    pointer-events: none;
    line-height: 1;
    z-index: 6;
    text-shadow: 0 0 6px var(--brand-green);
}

.tile-corner.tc-tl { top: 10px; left: 12px; }
.tile-corner.tc-tr { top: 10px; right: 12px; }
.tile-corner.tc-bl { bottom: 10px; left: 12px; }
.tile-corner.tc-br { bottom: 10px; right: 12px; }

.tile-stack-card .card-image {
    position: relative;
    height: 270px;
    overflow: hidden;
}

.tile-stack-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.tile-stack-card:hover .card-image img {
    transform: scale(1.05);
}

.tile-spec-badge {
    position: absolute;
    top: 18px;
    right: 18px;
    background: rgba(10, 12, 16, 0.88);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-family: 'Outfit', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 6px 14px;
    border-radius: 4px;
    backdrop-filter: blur(8px);
}

.tile-stack-card .card-content {
    padding: 30px;
}

.tile-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.tile-number {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: rgba(30, 163, 58, 0.45);
    line-height: 1;
}

.tile-card-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
}

.tile-card-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.spec-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.spec-pill i {
    color: var(--brand-green);
}

/* --- Why Us Section --- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.feature-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.icon-box {
    width: 50px;
    height: 50px;
    background: rgba(30, 163, 58, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.feature-item p {
    color: var(--text-muted);
}

.glow-card {
    padding: 50px;
    text-align: center;
    border: 1px solid rgba(229, 30, 37, 0.3);
    box-shadow: 0 0 50px rgba(229, 30, 37, 0.05);
}

.glow-card h3 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.glow-card p {
    color: var(--text-muted);
    margin-bottom: 30px;
}

.glow-card .btn-large {
    white-space: nowrap;
    width: 100%;
    max-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 0 auto;
}

.availability {
    display: block;
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ========================================= */
/* --- NEW B2B SECTIONS --- */
/* ========================================= */

.cta-box .btn-large {
    white-space: nowrap;
    width: 100%;
    max-width: 300px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* --- Trusted By Marquee (Tier-1 Australian Builders) --- */
.trusted-by {
    background: rgba(10, 12, 16, 0.9);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 36px 0;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.trusted-by::before, .trusted-by::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 3;
    pointer-events: none;
}

.trusted-by::before {
    left: 0;
    background: linear-gradient(to right, #0a0c10 0%, transparent 100%);
}

.trusted-by::after {
    right: 0;
    background: linear-gradient(to left, #0a0c10 0%, transparent 100%);
}

.trusted-header {
    text-align: center;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.trusted-subtitle {
    display: block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--brand-green);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.trusted-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin: 0;
}

.marquee-track {
    width: 100%;
    overflow: hidden;
    position: relative;
    white-space: nowrap;
    display: flex;
    gap: 28px;
    user-select: none;
}

.marquee-group {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    flex-shrink: 0;
    align-items: center;
    gap: 28px;
    animation: marqueeScroll 45s linear infinite;
    will-change: transform;
}

.marquee-track:hover .marquee-group {
    animation-play-state: paused;
}

.builder-spacer {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: rgba(30, 163, 58, 0.7);
    font-family: monospace;
    font-size: 1.2rem;
    font-weight: 800;
    text-shadow: 0 0 8px rgba(30, 163, 58, 0.7);
    user-select: none;
    flex-shrink: 0;
}

.builder-badge {
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 26px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    min-width: 150px;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.builder-badge::after {
    content: '';
    position: absolute;
    top: 0;
    left: -150%;
    width: 80%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
    transform: skewX(-25deg);
    animation: badgeMetallicSheen 6s ease-in-out infinite;
}

@keyframes badgeMetallicSheen {
    0%, 75% { left: -150%; }
    100% { left: 200%; }
}

.builder-badge:hover {
    border-color: rgba(30, 163, 58, 0.5);
    background: rgba(255, 255, 255, 0.07);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.builder-mark {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    letter-spacing: 2.5px;
    color: #ffffff;
    text-transform: uppercase;
}

.builder-mark.font-geometric {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    text-transform: lowercase;
    letter-spacing: 1px;
}

.builder-mark.font-wide {
    letter-spacing: 4px;
    font-weight: 600;
}

.builder-mark.font-slab {
    letter-spacing: 3px;
    font-weight: 900;
}

.builder-sub {
    font-size: 0.62rem;
    letter-spacing: 1.8px;
    color: var(--brand-green);
    margin-top: 3px;
    font-weight: 700;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-100% - 28px)); }
}

/* Stats Section */
.stats-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(30, 163, 58, 0.03) 100%);
    border-bottom: 1px solid var(--border-color);
}

.stats-laser-rail {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1.5px;
    background: linear-gradient(90deg, transparent 0%, rgba(30, 163, 58, 0.9) 50%, transparent 100%);
    box-shadow: 0 0 12px rgba(30, 163, 58, 0.8);
    animation: laserRailSweep 6s ease-in-out infinite alternate;
}

@keyframes laserRailSweep {
    0% { opacity: 0.3; transform: scaleX(0.75); }
    100% { opacity: 1; transform: scaleX(1); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    position: relative;
    padding: 30px 20px;
    background: rgba(14, 17, 23, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.stat-subtag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-family: monospace;
    font-size: 0.68rem;
    font-weight: 700;
    color: #4ade80;
    letter-spacing: 0.8px;
    margin-top: 10px;
    padding: 3px 8px;
    background: rgba(30, 163, 58, 0.08);
    border-radius: 4px;
    border: 1px solid rgba(30, 163, 58, 0.22);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(30, 163, 58, 0.15), transparent);
    transform: skewX(-20deg);
    animation: statShimmer 6s infinite;
}

.stat-item:nth-child(1)::before { animation-delay: 0s; }
.stat-item:nth-child(2)::before { animation-delay: 1.5s; }
.stat-item:nth-child(3)::before { animation-delay: 3s; }
.stat-item:nth-child(4)::before { animation-delay: 4.5s; }

@keyframes statShimmer {
    0%, 75% { left: -100%; }
    100% { left: 200%; }
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5);
    border-color: rgba(30, 163, 58, 0.4);
}

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-number.accent-green { color: var(--brand-green); }
.stat-number.accent-red { color: var(--brand-red); text-shadow: 0 0 15px rgba(229, 30, 37, 0.4); }

.stat-label {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Featured Projects: 3-Column Luxury Matrix */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    position: relative;
    background: rgba(14, 17, 23, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(30, 163, 58, 0.4);
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.6), 0 0 20px rgba(30, 163, 58, 0.2);
}

.project-img-wrap {
    position: relative;
    height: 230px;
    overflow: hidden;
}

.project-img {
    height: 100%;
    width: 100%;
    object-fit: cover;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img {
    transform: scale(1.06);
}

.project-status-tag {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(10, 12, 16, 0.88);
    border: 1px solid rgba(30, 163, 58, 0.4);
    color: var(--brand-green);
    font-family: 'Outfit', sans-serif;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 5px 10px;
    border-radius: 4px;
    backdrop-filter: blur(8px);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.project-info {
    padding: 30px;
}

.project-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-main);
}

.project-metrics {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.project-metric {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.project-metric i {
    color: var(--brand-green);
    font-size: 1.2rem;
}

.project-metric.highlight i {
    color: var(--brand-red);
}

/* --- Directors Section --- */
.directors-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 40px;
}

.director-card {
    padding: 32px 26px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(14, 17, 23, 0.7);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
}

.director-card:hover {
    border-color: rgba(30, 163, 58, 0.4);
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
}

.director-header {
    display: flex;
    align-items: center;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 16px;
}

.director-avatar {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30, 163, 58, 0.25) 0%, rgba(30, 163, 58, 0.05) 100%);
    border: 1.5px solid var(--brand-green);
    color: var(--brand-green);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 1px;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(30, 163, 58, 0.25);
    animation: avatarGlow 3s ease-in-out infinite;
}

@keyframes avatarGlow {
    0%, 100% { box-shadow: 0 0 10px rgba(30, 163, 58, 0.2); }
    50% { box-shadow: 0 0 20px rgba(30, 163, 58, 0.5); }
}

/* CTA Laser Border Box */
.laser-border-box {
    position: relative;
    border: 1px solid rgba(229, 30, 37, 0.4);
    box-shadow: 0 0 40px rgba(229, 30, 37, 0.12);
}

.hotline-live-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    background: rgba(30, 163, 58, 0.12);
    border: 1px solid rgba(30, 163, 58, 0.35);
    border-radius: 20px;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--brand-green);
    margin-bottom: 22px;
}

.director-meta {
    display: flex;
    flex-direction: column;
}

.director-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0 0 2px 0;
    letter-spacing: 0.5px;
}

.director-title {
    font-size: 0.8rem;
    color: var(--brand-green);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.quote-text {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-muted);
    font-style: italic;
    margin: 0;
}

/* Practical Completion Guarantee Banner (Spacious, Uncluttered) */
.projects-assurance-banner {
    margin-top: 50px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(14, 18, 25, 0.9) 0%, rgba(20, 26, 38, 0.8) 100%);
    border: 1px solid rgba(30, 163, 58, 0.35);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 24px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.05);
}

.assurance-icon-box {
    flex-shrink: 0;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(30, 163, 58, 0.15);
    border: 1px solid rgba(30, 163, 58, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #4ade80;
    font-size: 1.7rem;
    box-shadow: 0 0 20px rgba(30, 163, 58, 0.25);
}

.assurance-content {
    flex: 1;
}

.assurance-title-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.assurance-title-row strong {
    font-family: 'Outfit', sans-serif;
    font-size: 1.05rem;
    letter-spacing: 0.8px;
    color: #ffffff;
}

.assurance-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(30, 163, 58, 0.12);
    border: 1px solid rgba(30, 163, 58, 0.3);
    border-radius: 50px;
    padding: 3px 10px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #4ade80;
}

.assurance-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

/* --- Footer (Clean & Zero Duplication) --- */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    background-color: #07080a;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1.6fr 1fr;
    align-items: center;
    gap: 30px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
}

.footer-logo-img {
    height: 75px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 4px 15px rgba(30, 163, 58, 0.2));
}

.footer-status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.8px;
    color: #4ade80;
    background: rgba(30, 163, 58, 0.1);
    border: 1px solid rgba(30, 163, 58, 0.3);
    border-radius: 50px;
    padding: 4px 12px;
}

.footer-compliance {
    text-align: center;
    justify-self: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-compliance p {
    margin: 3px 0;
}

.footer-licence-line strong {
    color: var(--text-main);
    font-weight: 600;
}

.footer-copy {
    text-align: right;
    justify-self: end;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* --- Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(40px) scale(0.97);
    transition: all 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

.pulse-effect {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(229, 30, 37, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(229, 30, 37, 0); }
    100% { box-shadow: 0 0 0 0 rgba(229, 30, 37, 0); }
}

/* --- Incoming Call Ringing Vibration Animation --- */
.ringing-icon {
    display: inline-block;
    transform-origin: 50% 50%;
    /* animation: phoneRing 2s cubic-bezier(0.36, 0.07, 0.19, 0.97) infinite; */
}

@keyframes phoneRing {
    0% { transform: rotate(0) scale(1); }
    5% { transform: rotate(-24deg) scale(1.15); }
    10% { transform: rotate(24deg) scale(1.15); }
    15% { transform: rotate(-22deg) scale(1.15); }
    20% { transform: rotate(22deg) scale(1.15); }
    25% { transform: rotate(-14deg) scale(1.08); }
    30% { transform: rotate(14deg) scale(1.08); }
    35% { transform: rotate(-6deg) scale(1.02); }
    40% { transform: rotate(6deg) scale(1.02); }
    45% { transform: rotate(0) scale(1); }
    100% { transform: rotate(0) scale(1); }
}

/* --- Floating Call FAB Widget (Mobile Right Corner) --- */
.floating-call-widget {
    position: fixed;
    bottom: calc(25px + env(safe-area-inset-bottom, 0px));
    right: calc(20px + env(safe-area-inset-right, 0px));
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
}

.floating-call-fab {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(145deg, #e51e25 0%, #9e1014 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.65rem;
    text-decoration: none;
    border: 2px solid rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 8px 25px rgba(229, 30, 37, 0.6),
        inset 0 1px 2px rgba(255, 255, 255, 0.7),
        inset 0 -2px 4px rgba(0, 0, 0, 0.4);
    z-index: 10;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    -webkit-tap-highlight-color: transparent;
}

.floating-call-fab:active {
    transform: scale(0.92);
}

/* Sóng âm thanh tỏa tròn (Radar / Soundwave Ripple) */
.call-ripple-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(229, 30, 37, 0.2);
    z-index: 1;
    pointer-events: none;
    animation: callRippleWave 3s ease-out infinite;
}

.call-ripple-ring.ring-2 {
    animation-delay: 1.5s;
}

@keyframes callRippleWave {
    0% {
        width: 60px;
        height: 60px;
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    100% {
        width: 140px;
        height: 140px;
        opacity: 0;
    }
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .capacity-grid, .why-grid {
        grid-template-columns: 1fr;
    }
    .capabilities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .hero h1 { font-size: 3rem; }
    .footer-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 20px;
    }
    .footer-logo {
        justify-content: center;
    }
    .footer-copy {
        text-align: center;
        justify-self: center;
    }
}

@media (max-width: 768px) {
    /* Hero: Mobile bottom-anchored layout with airy spacing & clear visual hierarchy */
    .hero {
        min-height: 100svh;
        height: auto;
        padding: 84px 0 36px 0;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        box-sizing: border-box;
    }

    .hero-container {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        width: 100%;
        padding: 0 20px;
        gap: 0;
    }

    .hero-content {
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        width: 100%;
    }

    .hero-top-badges {
        margin-bottom: 12px;
        flex-wrap: nowrap;
        display: flex;
    }

    /* 1 DÒNG DUY NHẤT TRÊN MOBILE CHO BADGE */
    .hero-top-badges .badge,
    .badge {
        font-size: 0.72rem;
        line-height: 1;
        padding: 5px 12px;
        white-space: nowrap;
        margin-bottom: 0;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        max-width: fit-content;
        letter-spacing: 0.2px;
    }

    .hero-bg img {
        object-position: center 20%;
    }

    .hero-overlay {
        background: linear-gradient(
            180deg, 
            rgba(10, 12, 16, 0.2) 0%, 
            rgba(10, 12, 16, 0.45) 35%, 
            rgba(10, 12, 16, 0.88) 68%, 
            #0a0c10 100%
        );
    }
    
    .hero h1 {
        font-size: 1.68rem;
        line-height: 1.22;
        margin-bottom: 10px;
        letter-spacing: -0.3px;
        font-weight: 800;
    }

    .hero p {
        font-size: 0.86rem;
        line-height: 1.48;
        margin-bottom: 16px;
        color: rgba(226, 232, 240, 0.9);
        max-width: 100%;
    }

    .hero-actions {
        display: flex;
        margin-bottom: 16px;
    }

    .btn-hero-cta {
        padding: 10px 22px;
        font-size: 0.86rem;
        font-weight: 600;
        height: 40px;
        border-radius: 8px;
        width: auto !important;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        align-self: flex-start;
    }

    /* Clean mobile credential pills without clumsy slashes */
    .hero-spec-strip {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 8px;
        padding-top: 14px;
        margin-top: 2px;
        border-top: 1px solid rgba(255, 255, 255, 0.09);
    }

    .spec-strip-divider {
        display: none !important;
    }

    .spec-strip-item {
        font-size: 0.72rem;
        font-weight: 500;
        color: rgba(241, 245, 249, 0.92);
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 999px;
        padding: 5px 12px;
        gap: 6px;
        display: inline-flex;
        align-items: center;
        white-space: nowrap;
    }

    .spec-strip-item i {
        font-size: 0.85rem;
    }

    /* Mobile Tile Grid Reveal: Sized for mobile screens with high contrast */
    .tile-grid-reveal::before {
        background-size: 42px 42px;
        background-image: 
            linear-gradient(to right, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
            linear-gradient(to bottom, rgba(255, 255, 255, 0.14) 1px, transparent 1px);
        mask-image: radial-gradient(
            circle 260px at var(--grid-spot-x, 50%) var(--grid-spot-y, 45%),
            black 0%,
            rgba(0, 0, 0, 0.5) 50%,
            transparent 80%
        );
        -webkit-mask-image: radial-gradient(
            circle 260px at var(--grid-spot-x, 50%) var(--grid-spot-y, 45%),
            black 0%,
            rgba(0, 0, 0, 0.5) 50%,
            transparent 80%
        );
    }

    .tile-grid-reveal::after {
        background: radial-gradient(
            circle 240px at var(--grid-spot-x, 50%) var(--grid-spot-y, 45%),
            rgba(30, 163, 58, 0.22) 0%,
            rgba(255, 255, 255, 0.04) 40%,
            transparent 75%
        );
    }

    .header-tender-pill {
        font-size: 0.65rem;
        padding: 3px 8px;
        letter-spacing: 0.5px;
        gap: 5px;
    }

    /* Trusted By mobile padding */
    .trusted-by {
        padding: 26px 0;
        gap: 16px;
    }

    .trusted-title {
        font-size: 0.85rem;
    }

    .builder-badge {
        padding: 10px 18px;
        min-width: 125px;
    }

    .builder-mark {
        font-size: 0.95rem;
    }

    /* Stats mobile 2x2 grid */
    .stats-section {
        padding: 45px 0;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .stat-item {
        padding: 18px 12px;
    }

    .stat-number {
        font-size: 2.2rem;
    }

    .stat-label {
        font-size: 0.78rem;
    }

    /* Section standardized mobile padding */
    .section {
        padding: 50px 0;
    }

    .capacity-grid {
        gap: 25px;
    }
    
    .legal-card {
        padding: 20px 16px;
    }
    
    .directors-grid {
        grid-template-columns: 1fr;
        gap: 18px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .quote-text {
        font-size: 1.05rem;
    }
    
    .desktop-only { display: none !important; }
    
    .mobile-only {
        display: flex;
    }
    
    .footer-logo-img {
        height: 90px;
    }
    
    .tile-call-btn.mobile-only {
        height: 40px;
        padding: 0 14px;
        font-size: 0.8rem;
        letter-spacing: 0.8px;
        border-radius: 4px;
    }

    .tile-call-btn.mobile-only i {
        font-size: 1rem;
    }
    
    .logo-img {
        height: 58px;
    }
    
    .mobile-menu-btn { 
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        border-radius: 4px;
    }
    
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(10, 12, 16, 0.98);
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    }
    
    .nav-links.active {
        display: flex;
    }

    .sticky-showcase-wrapper {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .sticky-frame {
        position: relative;
        top: 0;
    }

    .tile-hud {
        padding: 18px 16px;
    }

    .hud-tile-graphic {
        height: 80px;
        margin: 12px 0;
    }

    .hud-steps {
        flex-direction: row;
        gap: 6px;
    }

    .hud-step {
        flex: 1;
        padding: 8px 6px;
        text-align: center;
        flex-direction: column;
        gap: 4px;
    }

    .step-info span {
        display: none;
    }

    .step-info strong {
        font-size: 0.75rem;
    }

    /* Apple-style sticky stacking tiles on mobile */
    .sticky-scroll-content {
        gap: 20px;
    }

    .tile-stack-card {
        position: sticky;
        top: 90px;
    }

    .tile-stack-card:nth-child(1) { top: 90px; }
    .tile-stack-card:nth-child(2) { top: 110px; }
    .tile-stack-card:nth-child(3) { top: 130px; }

    .tile-stack-card .card-image {
        height: 180px;
    }

    .tile-stack-card .card-content {
        padding: 22px 18px;
    }

    .tile-card-header h3 {
        font-size: 1.2rem;
    }

    .capabilities-grid { grid-template-columns: 1fr; }
    
    .btn-large {
        padding: 14px 24px;
        font-size: 1.05rem;
    }

    .floating-badge {
        bottom: -15px;
        right: 15px;
        left: auto;
        padding: 12px 18px;
        transform: none;
    }

    .floating-call-widget.mobile-only {
        display: flex !important;
    }

    .projects-assurance-banner {
        margin-top: 36px;
        padding: 18px 16px;
        flex-direction: column;
        text-align: center;
        gap: 14px;
    }

    .assurance-title-row {
        justify-content: center;
    }

    .footer-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 16px;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-compliance {
        text-align: center;
        font-size: 0.82rem;
    }

    .footer-copy {
        text-align: center;
        font-size: 0.8rem;
    }

    /* Footer clearance for floating call button */
    .footer {
        padding: 35px 0 95px 0;
    }
}
