.bg-img-1 { background-image: url(../images/bg/bg-form.jpg); background-position: center; background-repeat: no-repeat; background-size: cover; }
.bg-sp-form { background-color: rgba(232, 255, 253, 70%); padding: 30px 60px; border-radius: 10px; }

/* =========================================
    HERO SECTION
========================================= */
.hero { position: relative; padding: 180px 0 100px; background: linear-gradient(to bottom, #ffffff 0%, var(--light-bg) 100%); overflow: hidden;}
.hero-title { font-size: 56px; font-weight: 900; line-height: 1.2; letter-spacing: -1px; margin-bottom: 24px; color: var(--text-main); }
.hero-desc { font-size: 18px; color: var(--text-muted); font-weight: 500; line-height: 1.7; max-width: 800px; margin: 0 auto 40px; }

/* =========================================
   TÂM ĐIỂM MỚI SECTION
========================================= */
.tam-diem-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.td-lead {
    font-size: 22px;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 40px;
    line-height: 1.4;
}

.td-features {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom: 40px;
}

.td-item {
    display: flex;
    gap: 20px;
}

.td-icon {
    width: 56px;
    height: 56px;
    background: rgba(2, 102, 74, 0.1); /* Sắc xanh ngọc nhạt */
    color: var(--primary);
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    flex-shrink: 0;
    border: 1px solid rgba(2, 102, 74, 0.2);
}

.td-item h4 {
    font-size: 18px;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 8px;
}

.td-item p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.6;
    font-weight: 500;
}

.td-quote {
    background: var(--light-bg);
    border-left: 4px solid var(--accent-gold);
    padding: 24px 32px;
    font-size: 16px;
    font-style: italic;
    color: var(--text-main);
    font-weight: 700;
    border-radius: 0 20px 20px 0;
    line-height: 1.6;
    box-shadow: inset 0 0 20px rgba(0,0,0,0.02);
}

.td-visual {
    position: relative;
    border-radius: 40px;
    overflow: hidden;
    height: 100%;
    min-height: 650px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.td-visual .img-panorama {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center; /* Tập trung vào trung tâm thành phố */
    transition: transform 10s ease; /* Hiệu ứng zoom cực chậm tạo cảm giác điện ảnh */
}

.td-visual:hover .img-panorama {
    transform: scale(1.1);
}

.td-visual-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(255,255,255,0.2) 0%, transparent 100%);
    z-index: 1;
}

/* Responsive cho Section Tâm Điểm Mới */
@media (max-width: 992px) {
    .tam-diem-layout {
        grid-template-columns: 1fr;
        gap: 56px;
    }
    
    .td-visual {
        min-height: 400px;
        order: -1; /* Đưa ảnh lên trên cùng trên Mobile/Tablet */
    }
}

@media (max-width: 768px) {
    .td-lead {
        font-size: 20px;
    }
    
    .td-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
        border-radius: 12px;
    }
    
    .td-quote {
        padding: 20px;
    }
}

/* =========================================
   CONNECTIVITY SECTION
========================================= */
.connect-wrapper { background: var(--surface-bg); border-radius: 32px; padding: 60px; box-shadow: var(--shadow-md); border: 1px solid var(--border-light);}
.time-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 40px;}
.time-card { display: flex; align-items: center; gap: 20px; padding: 24px; background: var(--light-bg); border-radius: 16px; border: 1px solid var(--border-light);}
.t-min { font-size: 36px; font-weight: 900; color: var(--primary); line-height: 1;}
.t-text strong { display: block; font-size: 16px; color: var(--text-main); font-weight: 800;}
.t-text span { font-size: 13px; color: var(--text-muted); font-weight: 600; text-transform: uppercase;}

/* =========================================
   TOD 5.0 CONCEPT SECTION
========================================= */
.section-padding { padding: 100px 0; }
.section-title { font-size: 40px; font-weight: 900; margin-bottom: 16px; color: var(--text-main); }
.section-desc { font-size: 18px; color: var(--text-muted); font-weight: 500; margin-bottom: 48px; max-width: 800px; margin-left: auto; margin-right: auto;}

.tod-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.tod-card { background: var(--surface-bg); border: 1px solid var(--border-light); border-radius: 20px; padding: 32px 20px; text-align: center; box-shadow: var(--shadow-sm); transition: 0.3s;}
.tod-card:hover { transform: translateY(-8px); border-color: var(--primary); box-shadow: var(--shadow-md); }
.tod-icon { font-size: 36px; margin-bottom: 16px; color: var(--primary); }
.tod-card h3 { font-size: 16px; font-weight: 800; color: var(--text-main); text-transform: uppercase;}

/* =========================================
   VAI TRÒ DỰ ÁN SECTION
========================================= */
.role-section {
    padding: 100px 0;
    background-color: var(--light-bg);
    overflow: hidden;
}

.role-container {
    display: flex;
    flex-direction: column;
    gap: 100px;
}

.role-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.role-row.reverse .role-visual {
    order: 2; /* Đảo ngược vị trí hình ảnh sang phải */
}
.role-row.reverse .role-content {
    order: 1;
}

.role-visual {
    position: relative;
}

.role-number {
    position: absolute;
    top: -60px;
    left: -40px;
    font-size: 180px;
    font-weight: 900;
    line-height: 1;
    color: var(--surface-bg);
    text-shadow: 2px 4px 20px rgba(0,0,0,0.05);
    z-index: 1;
    pointer-events: none;
    letter-spacing: -5px;
}

.role-row.reverse .role-number {
    left: auto;
    right: -40px;
}

.role-img {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 32px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.role-content {
    position: relative;
    z-index: 3;
}

.role-content h3 {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 20px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.role-desc {
    font-size: 16px;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 32px;
    line-height: 1.7;
}

.role-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.role-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.5;
}

.role-list li span {
    color: var(--primary);
    font-weight: 900;
    font-size: 18px;
    margin-top: -2px;
}

/* Vai trò 3 - Banner */
.role-banner {
    position: relative;
    border-radius: 40px;
    overflow: hidden;
    padding: 100px 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-light);
}

.rb-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    filter: grayscale(30%);
}

.rb-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2, 102, 74, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
}

.rb-content {
    max-width: 800px;
    margin: 0 auto;
}

.role-number-center {
    font-size: 100px;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    margin-bottom: -30px;
    letter-spacing: -3px;
}

.rb-content h3 {
    font-size: 40px;
    font-weight: 900;
    color: white;
    margin-bottom: 24px;
}

.rb-content p {
    font-size: 18px;
    color: #cbd5e1;
    font-weight: 500;
    line-height: 1.7;
}

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 992px) {
    .role-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .role-row.reverse .role-visual {
        order: 1;
    }
    .role-row.reverse .role-content {
        order: 2;
    }

    .role-number {
        top: -40px;
        left: 0;
        font-size: 120px;
    }
    
    .role-row.reverse .role-number {
        right: auto;
        left: 0;
    }
}

@media (max-width: 768px) {
    .role-img {
        height: 300px;
    }

    .role-content h3 {
        font-size: 28px;
    }

    .role-banner {
        padding: 60px 24px;
        border-radius: 32px;
    }

    .rb-content h3 {
        font-size: 32px;
    }
    
    .role-number-center {
        font-size: 80px;
        margin-bottom: -20px;
    }
}

/* =========================================
   PARTNERS SECTION
========================================= */
.partners-section { background: var(--dark-invert); padding: 100px 0; color: white; text-align: center; }
.partners-section .section-title { color: white; }
.partners-section .section-desc { color: #94a3b8; }
.dev-badge { display: inline-block; background: rgba(255,255,255,0.1); padding: 12px 32px; border-radius: 12px; margin-bottom: 48px; border: 1px solid rgba(255,255,255,0.2);}
.dev-badge h3 { font-size: 24px; font-weight: 900; color: var(--gold-light); margin-bottom: 4px; letter-spacing: 2px;}
.dev-badge p { font-size: 14px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px;}

.logo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.logo-item { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 32px 20px; font-size: 20px; font-weight: 800; color: white; letter-spacing: 1px; transition: 0.3s;}
.logo-item:hover { background: rgba(255,255,255,0.1); transform: translateY(-5px); border-color: var(--gold-light); color: var(--gold-light);}

/* =========================================
   CTA SECTION
========================================= */
.cta-section { padding: 100px 0; }
.cta-card { background: var(--surface-bg); border-radius: 32px; padding: 64px 48px; text-align: center; border: 1px solid var(--primary); box-shadow: var(--shadow-lg); max-width: 800px; margin: 0 auto; position: relative; overflow: hidden;}
.cta-card::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: conic-gradient(transparent, var(--primary), var(--gold-light), transparent 30%); animation: rotateGlow 6s linear infinite; z-index: 1; }
.cta-card::after { content: ''; position: absolute; inset: 2px; background: var(--surface-bg); border-radius: 30px; z-index: 2; }
@keyframes rotateGlow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.cta-content { position: relative; z-index: 10; }
.cta-title { font-size: 32px; font-weight: 900; color: var(--text-main); margin-bottom: 16px; }
.cta-desc { color: var(--text-muted); font-size: 16px; font-weight: 500; margin-bottom: 40px; }

/* =========================================
   RESPONSIVE
========================================= */
@media (max-width: 992px) {
    .nav-links { display: none; }
    .hero-title { font-size: 48px; }
    .tod-grid { grid-template-columns: repeat(3, 1fr); }
    .time-grid { grid-template-columns: repeat(2, 1fr); }
    .logo-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .hero { padding: 140px 0 60px; }
    .hero-title { font-size: 36px; }
    .section-title { font-size: 32px; }
    .tod-grid { grid-template-columns: repeat(2, 1fr); }
    .time-grid { grid-template-columns: 1fr; }
    .connect-wrapper { padding: 32px 24px; }
}