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

:root {
    --primary-orange: #d4720a;
    --secondary-orange: #ed8012;
    --accent-orange: #f59e3c;
    --light-orange: #fff8f0;
    --gradient-start: #d4720a;
    --gradient-end: #ed8012;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --text-dark: #1a1a1a;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --shadow: 0 8px 30px rgba(212, 114, 10, 0.1);
    --shadow-hover: 0 12px 40px rgba(212, 114, 10, 0.15);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

/* Navigation - SHARED */
.navbar-main {
    background: var(--white);
    padding: 20px 0;
    box-shadow: 0 2px 15px rgba(212, 114, 10, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.navbar-logo {
    height: 45px;
    width: auto;
    border-radius: 10px;
    margin-right: 12px;
}

/* UOB Logo specific styling */
.navbar-logo.uob-logo {
    height: 45px;
    width: auto;
    margin-right: 15px;
    border-radius: 8px;
}

/* Project Logo specific styling */
.navbar-logo.rased-logo {
    height: 45px;
    width: auto;
    margin-right: 12px;
    border-radius: 10px;
}

.brand-text {
    color: var(--primary-orange);
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-orange), var(--secondary-orange));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.navbar-nav .nav-link {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 10px 20px;
    margin: 0 5px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: #ed8012;
    background: rgba(237, 128, 18, 0.1);
}

.navbar-toggler {
    border: none;
    padding: 8px;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28212, 114, 10, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Buttons - SHARED */
.btn {
    padding: 15px 35px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #ed8012 0%, #d4720a 100%);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #d4720a 0%, #b86308 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(237, 128, 18, 0.3);
}

.btn-outline-primary {
    color: #ed8012;
    border-color: #ed8012;
    background: transparent;
    border: 2px solid #ed8012;
}

.btn-outline-primary:hover {
    background: #ed8012;
    color: white;
    transform: translateY(-3px);
}

.btn-outline-light {
    color: white;
    border-color: white;
    background: transparent;
    border: 2px solid white;
}

.btn-outline-light:hover {
    background: white;
    color: #ed8012;
    transform: translateY(-3px);
}

/* Sections - SHARED */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.text-start {
    text-align: left;
}

.section-header.text-start .section-title::after {
    left: 0;
    transform: translateX(0);
}

.section-label {
    display: inline-block;
    color: var(--secondary-orange);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
    padding: 6px 20px;
    background: var(--light-orange);
    border-radius: 30px;
}

.section-title {
    font-size: 48px;
    color: var(--primary-orange);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-orange), var(--secondary-orange));
    border-radius: 2px;
}

.section-subtitle {
    color: var(--gray);
    font-size: 18px;
    max-width: 700px;
    margin: 0 auto;
}

/* Footer - SHARED */
.footer {
    background: linear-gradient(135deg, var(--primary-orange), #b86308);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-logo-section {
    margin-bottom: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
    width: auto;
    border-radius: 10px;
}

.footer-logo span {
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
}

.footer-description {
    opacity: 0.9;
    line-height: 1.7;
}

.footer-contact h5,
.footer-social h5 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 18px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    font-size: 18px;
    color: var(--accent-orange);
    margin-top: 5px;
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.social-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    text-decoration: none;
    transition: var(--transition);
}

.social-icon:hover {
    background: var(--accent-orange);
    transform: translateY(-5px);
}

.youtube:hover { background: #ff0000; }
.linkedin:hover { background: #0077b5; }
.github:hover { background: #333; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    margin-top: 50px;
}

.copyright {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 25px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--accent-orange);
}

/* Back to Top Button - SHARED */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--secondary-orange), var(--accent-orange));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 100;
    box-shadow: 0 4px 15px rgba(237, 128, 18, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(237, 128, 18, 0.4);
}

/* ===== INDEX.HTML STYLES ===== */

/* Hero Section - INDEX ONLY */
.hero-section {
    min-height: 85vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.video-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.video-background video {
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(212, 114, 10, 0.7);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    width: 100%;
    padding: 40px 0 100px;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    margin-bottom: 10px;
    color: var(--white);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 400;
    opacity: 0.9;
    margin-bottom: 30px;
    animation: fadeInUp 1s ease;
}

.hero-description {
    font-size: 20px;
    max-width: 700px;
    margin: 0 auto 50px;
    opacity: 0.9;
    animation: fadeInUp 1.2s ease;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 50px;
    animation: fadeInUp 1.6s ease;
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    z-index: 2;
}

.hero-scroll a {
    display: block;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    text-decoration: none;
    transition: var(--transition);
}

.hero-scroll a:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(5px);
}

/* Feature Cards - INDEX ONLY */
.feature-highlights {
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(212, 114, 10, 0.08);
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid rgba(237, 128, 18, 0.1);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(212, 114, 10, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #ed8012, #d4720a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 28px;
}

.feature-card h3 {
    color: var(--primary-orange);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 15px;
}

.compliance-badge {
    background: rgba(40, 167, 69, 0.15);
    color: #28a745;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    display: inline-block;
    margin-top: 10px;
    border: 1px solid rgba(40, 167, 69, 0.3);
}

/* Summary Section - INDEX ONLY */
.summary-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.stats-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(212, 114, 10, 0.08);
    transition: var(--transition);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stats-number {
    font-size: 48px;
    font-weight: 800;
    color: #ed8012;
    line-height: 1;
    margin-bottom: 10px;
}

.stats-label {
    color: #666;
    font-size: 16px;
    font-weight: 500;
}

/* ===== PROJECT.HTML STYLES ===== */

/* Project Header */
.project-hero {
    background: linear-gradient(135deg, #d4720a 0%, #ed8012 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.project-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.project-hero .container {
    position: relative;
    z-index: 2;
}

.project-hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.project-hero p {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto;
}

/* Project Navigation */
.project-nav {
    background: white;
    box-shadow: 0 4px 20px rgba(212, 114, 10, 0.08);
    position: sticky;
    top: 80px;
    z-index: 990;
    padding: 15px 0;
}

.project-nav .nav {
    display: flex;
    justify-content: center;
    gap: 30px;
    padding: 0;
    flex-wrap: wrap;
}

.project-nav .nav-link {
    color: var(--dark-gray);
    font-weight: 500;
    padding: 8px 0;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    font-size: 1rem;
    white-space: nowrap;
}

.project-nav .nav-link:hover,
.project-nav .nav-link.active {
    color: var(--secondary-orange);
    border-bottom-color: var(--secondary-orange);
}

/* Achievement Grid */
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.achievement-card {
    background: white;
    border-radius: var(--border-radius-sm);
    padding: 25px 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(237, 128, 18, 0.1);
}

.achievement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.achievement-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--primary-orange);
    margin-bottom: 8px;
    line-height: 1;
}

/* Milestone Card */
.milestone-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 35px;
    box-shadow: var(--shadow);
    border-left: 5px solid var(--secondary-orange);
    height: 100%;
    transition: all 0.3s ease;
}

.milestone-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.milestone-icon {
    width: 70px;
    height: 70px;
    background: var(--light-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 28px;
    color: var(--secondary-orange);
}

.milestone-card h4 {
    color: var(--primary-orange);
    margin-bottom: 20px;
}

.milestone-card p {
    margin-bottom: 10px;
    color: var(--dark-gray);
}

/* Abstract Section */
.abstract-section {
    background: var(--light-gray);
}

.abstract-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 60px;
    box-shadow: var(--shadow);
    border: 2px solid rgba(237, 128, 18, 0.1);
}

.abstract-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--dark-gray);
    margin-bottom: 40px;
}

.abstract-text p {
    margin-bottom: 20px;
}

.problem-solution {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.problem-card {
    background: linear-gradient(135deg, #ffeaea, #fff5f5);
    padding: 30px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid #dc3545;
}

.solution-card {
    background: linear-gradient(135deg, #e8f5e9, #f1f8e9);
    padding: 30px;
    border-radius: var(--border-radius-sm);
    border-left: 4px solid #28a745;
}

.problem-card h4,
.solution-card h4 {
    color: var(--dark-gray);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

/* SDLC Process */
.sdlc-process {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.sdlc-step {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
}

.sdlc-step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.sdlc-step-number {
    font-size: 2rem;
    margin-bottom: 15px;
}

.sdlc-step h5 {
    color: var(--primary-orange);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.sdlc-step p {
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Technology Stack */
.tech-stack-card,
.methodology-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 35px;
    box-shadow: var(--shadow);
    height: 100%;
}

.tech-category {
    margin-bottom: 25px;
}

.tech-category h5 {
    color: var(--primary-orange);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    background: var(--light-orange);
    color: var(--secondary-orange);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid rgba(237, 128, 18, 0.1);
}

.tech-tag:hover {
    background: var(--secondary-orange);
    color: white;
    transform: translateY(-2px);
}

/* Architecture Diagram */
.architecture-diagram {
    margin-top: 25px;
}

.arch-layer {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--light-orange);
    border-radius: var(--border-radius-sm);
    margin-bottom: 15px;
    transition: var(--transition);
    border: 1px solid rgba(237, 128, 18, 0.1);
}

.arch-layer:hover {
    transform: translateX(5px);
    background: white;
}

.arch-icon {
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--secondary-orange);
    box-shadow: 0 4px 15px rgba(237, 128, 18, 0.1);
    flex-shrink: 0;
}

.arch-content {
    flex: 1;
}

.arch-content h5 {
    color: var(--primary-orange);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.arch-content p {
    color: var(--gray);
    font-size: 14px;
    margin: 0;
}

.arch-arrow {
    text-align: center;
    margin: 15px 0;
    color: var(--secondary-orange);
    font-size: 20px;
}

/* Outcomes Grid */
.outcomes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.outcome-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 35px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 1px solid rgba(237, 128, 18, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.outcome-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.outcome-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.outcome-icon {
    width: 60px;
    height: 60px;
    background: var(--light-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--secondary-orange);
    flex-shrink: 0;
}

.outcome-header h4 {
    color: var(--primary-orange);
    margin: 0;
    font-size: 1.3rem;
}

.outcome-features {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.outcome-features li {
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
}

.outcome-features li:last-child {
    border-bottom: none;
}

.outcome-features li i {
    margin-top: 3px;
    flex-shrink: 0;
}

/* Screenshots Grid */
.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.screenshot-card {
    background: white;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.screenshot-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.screenshot-img {
    width: 100%;
    height: 300px;
    object-fit: contain;
    display: block;
}

.screenshot-label {
    padding: 20px;
    text-align: center;
    font-weight: 600;
    color: var(--primary-orange);
    background: white;
}

/* Future Work Grid */
.future-work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.future-item-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--accent-orange);
    transition: var(--transition);
    height: 100%;
}

.future-item-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.future-item-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.future-item-number {
    font-size: 1.5rem;
}

.future-item-header h5 {
    color: var(--primary-orange);
    margin: 0;
    font-size: 1.1rem;
}

.future-item-card p {
    color: var(--dark-gray);
    line-height: 1.6;
    margin: 0;
}

/* Download Section */
.download-section {
    background: linear-gradient(135deg, #d4720a 0%, #ed8012 100%);
    padding: 100px 0;
}

.download-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 60px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.download-icon {
    font-size: 64px;
    color: var(--secondary-orange);
    margin-bottom: 25px;
}

.download-card h2 {
    color: var(--primary-orange);
    margin-bottom: 15px;
}

.btn-download {
    background: linear-gradient(135deg, var(--secondary-orange), var(--primary-orange));
    color: white;
    border: none;
    padding: 16px 45px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(237, 128, 18, 0.3);
    color: white;
}

/* Animations */
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== DEMO.HTML STYLES ===== */
.demo-container {
    min-height: 100vh;
    background: #f8f9fa;
}

.demo-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.demo-header {
    background: linear-gradient(135deg, #d4720a 0%, #ed8012 100%);
    color: white;
    padding: 80px 0 40px;
    text-align: center;
}

.data-table {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #dee2e6;
}

.data-table th {
    background: #ed8012;
    color: white;
    border: none;
    padding: 12px;
    font-weight: 500;
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid #dee2e6;
}

.live-demo-btn {
    background: linear-gradient(135deg, #d4720a 0%, #ed8012 100%);
    color: white;
    border: none;
    font-weight: 600;
    padding: 14px 32px;
    font-size: 17px;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.live-demo-btn:hover {
    background: linear-gradient(135deg, #b86308 0%, #d4720a 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(237, 128, 18, 0.2);
}

.important-note {
    background: #f8f9fa;
    border-left: 4px solid #ed8012;
    border-radius: 0 6px 6px 0;
    padding: 24px;
    margin: 30px 0;
}

.important-note h5 {
    color: #ed8012;
    margin-bottom: 16px;
    font-weight: 600;
}

.important-note .note-item {
    margin-bottom: 12px;
    color: #495057;
    line-height: 1.6;
}

.important-note .note-item strong {
    color: #ed8012;
    font-weight: 600;
    display: block;
    margin-bottom: 2px;
}

.demo-features {
    margin-top: 30px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.mobile-preview {
    background: #ed8012;
    color: white;
    border-radius: 8px;
    padding: 24px;
    margin-top: 30px;
}

.step-badge {
    background: #ed8012;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-demo {
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 20px;
    height: 100%;
}

.demo-icon {
    font-size: 32px;
    color: #ed8012;
    margin-bottom: 16px;
}

.credentials-card {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.section-divider {
    border: 0;
    height: 1px;
    background: #dee2e6;
    margin: 30px 0;
}

.code-badge {
    background: #e9ecef;
    color: #495057;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

/* Responsive Design - SHARED */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 60px;
    }
    
    .project-hero h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 42px;
    }
    
    .outcomes-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 24px;
    }
    
    .project-hero {
        padding: 100px 0 60px;
    }
    
    .project-hero h1 {
        font-size: 2.5rem;
    }
    
    .project-hero p {
        font-size: 1.1rem;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .abstract-card {
        padding: 40px;
    }
    
    .outcomes-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .screenshots-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-card {
        padding: 40px;
    }
    
    .project-nav .nav {
        gap: 20px;
    }
    
    .sdlc-process {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-cta .btn {
        margin-bottom: 15px;
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 20px;
    }
    
    .hero-description {
        font-size: 18px;
    }
    
    .project-hero h1 {
        font-size: 2.2rem;
    }
    
    .project-hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .project-nav .nav {
        gap: 15px;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 5px;
    }
    
    .project-nav .nav-link {
        font-size: 14px;
        padding: 8px 12px;
        white-space: nowrap;
    }
    
    .achievement-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .abstract-card {
        padding: 30px;
    }
    
    .problem-solution {
        grid-template-columns: 1fr;
    }
    
    .sdlc-process {
        grid-template-columns: 1fr;
    }
    
    .outcomes-grid,
    .future-work-grid {
        grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
        grid-template-columns: 1fr;
    }
    
    .milestone-card,
    .tech-stack-card,
    .methodology-card {
        padding: 25px;
    }
    
    .download-card {
        padding: 30px;
    }
    
    .footer-links {
        justify-content: flex-start;
        margin-top: 20px;
    }
    
    .feature-card {
        margin-bottom: 20px;
    }
    
    .hero-section {
        min-height: 80vh;
    }
    
    /* Responsive adjustments for logos on mobile */
    .navbar-logo.uob-logo,
    .navbar-logo.rased-logo {
        height: 35px;
    }
    
    .brand-text {
        font-size: 24px;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .project-hero h1 {
        font-size: 1.8rem;
    }
    
    .project-hero p {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .achievement-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .achievement-card {
        padding: 20px 10px;
    }
    
    .achievement-number {
        font-size: 28px;
    }
    
    .milestone-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .download-icon {
        font-size: 48px;
    }
    
    .btn-download {
        width: 100%;
        padding: 14px 20px;
    }
    
    .hero-cta .btn {
        width: 100%;
        max-width: 100%;
    }
    
    /* Responsive adjustments for logos on small screens */
    .navbar-logo.uob-logo,
    .navbar-logo.rased-logo {
        height: 30px;
        margin-right: 8px;
    }
    
    .navbar-logo.uob-logo {
        margin-right: 10px;
    }
    
    .brand-text {
        font-size: 20px;
    }
    
    .hero-section {
        min-height: 85vh;
    }
}