/* ===== CSS Variables - AWS Theme ===== */
:root {
    --aws-orange: #FF9900;
    --aws-orange-dark: #E88B00;
    --aws-orange-light: #FFB84D;
    --aws-blue: #232F3E;
    --aws-blue-light: #304A5A;
    --aws-blue-dark: #1A242F;
    --aws-green: #00A1C9;
    --aws-purple: #8C4FFF;

    --bg-primary: #0D1117;
    --bg-secondary: #161B22;
    --bg-tertiary: #21262D;
    --text-primary: #F0F6FC;
    --text-secondary: #8B949E;
    --text-muted: #6E7681;

    --gradient-aws: linear-gradient(135deg, var(--aws-orange) 0%, var(--aws-orange-dark) 100%);
    --gradient-aws-blue: linear-gradient(135deg, var(--aws-blue) 0%, var(--aws-blue-light) 100%);
    --gradient-hero: linear-gradient(180deg, var(--bg-primary) 0%, var(--aws-blue-dark) 100%);

    --shadow-glow: 0 0 20px rgba(255, 153, 0, 0.3);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

ul {
    list-style: none;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 153, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo i {
    font-size: 2rem;
    color: var(--aws-orange);
}

.nav-links {
    display: flex;
    gap: 25px;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-aws);
    transition: var(--transition-normal);
}

.nav-links a:hover {
    color: var(--aws-orange);
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    opacity: 0.3;
}

.cloud {
    position: absolute;
    background: linear-gradient(180deg, rgba(255, 153, 0, 0.1) 0%, transparent 100%);
    border-radius: 100px;
    animation: float 20s infinite ease-in-out;
}

.cloud-1 {
    width: 400px;
    height: 150px;
    top: 20%;
    left: -100px;
}

.cloud-2 {
    width: 300px;
    height: 100px;
    top: 40%;
    right: -80px;
    animation-delay: -5s;
}

.cloud-3 {
    width: 350px;
    height: 120px;
    bottom: 30%;
    left: 20%;
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(50px) translateY(-20px); }
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    z-index: 1;
}

.hero-text {
    animation: slideInLeft 1s ease;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

.greeting {
    font-size: 1.2rem;
    color: var(--aws-orange);
    font-weight: 500;
    margin-bottom: 10px;
}

.name {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 10px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--aws-orange-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: none;
}

.btn-primary {
    background: var(--gradient-aws);
    color: var(--aws-blue-dark);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(255, 153, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--aws-orange);
}

.btn-secondary:hover {
    background: var(--aws-orange);
    color: var(--aws-blue-dark);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: slideInRight 1s ease;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.aws-architecture {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.arch-node {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 153, 0, 0.3);
    border-radius: 12px;
    padding: 25px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: var(--transition-normal);
}

.arch-node:hover {
    border-color: var(--aws-orange);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.arch-node i {
    font-size: 2rem;
    color: var(--aws-orange);
}

.arch-node span {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.scroll-indicator i {
    font-size: 1.5rem;
    color: var(--aws-orange);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== Section Titles ===== */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.section-title i {
    color: var(--aws-orange);
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 60px;
    align-items: center;
}

.profile-frame {
    position: relative;
}

.profile-placeholder {
    width: 350px;
    height: 350px;
    background: var(--gradient-aws-blue);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--aws-orange);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.profile-placeholder i {
    font-size: 8rem;
    color: var(--text-muted);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 17px;
}

.aws-badge {
    position: absolute;
    bottom: 20px;
    right: -20px;
    background: var(--gradient-aws);
    color: var(--aws-blue-dark);
    padding: 15px 25px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--aws-orange);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ===== Skills Section ===== */
.skills {
    padding: 100px 0;
    background: var(--bg-primary);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.skill-category {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255, 153, 0, 0.1);
    transition: var(--transition-normal);
}

.skill-category:hover {
    border-color: var(--aws-orange);
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
}

.skill-category h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.skill-category h3 i {
    color: var(--aws-orange);
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.skill-item {
    background: var(--bg-tertiary);
    padding: 8px 14px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.skill-item:hover {
    background: var(--aws-orange);
    color: var(--aws-blue-dark);
}

.skill-item i {
    color: var(--aws-orange);
    font-size: 0.9rem;
}

.skill-item:hover i {
    color: var(--aws-blue-dark);
}

/* ===== Experience Section ===== */
.experience {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--aws-orange);
}

.timeline-item {
    position: relative;
    padding-left: 50px;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -8px;
    top: 0;
    width: 18px;
    height: 18px;
    background: var(--aws-orange);
    border-radius: 50%;
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 0 10px rgba(255, 153, 0, 0.5);
}

.timeline-marker.edu {
    background: var(--aws-green);
    box-shadow: 0 0 10px rgba(0, 161, 201, 0.5);
}

.timeline-content {
    background: var(--bg-tertiary);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid rgba(255, 153, 0, 0.1);
    transition: var(--transition-normal);
}

.timeline-content:hover {
    border-color: var(--aws-orange);
    transform: translateX(10px);
}

.timeline-content.education-card {
    border-color: rgba(0, 161, 201, 0.2);
}

.timeline-content.education-card:hover {
    border-color: var(--aws-green);
}

.timeline-header {
    margin-bottom: 15px;
}

.timeline-header h3 {
    font-size: 1.2rem;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.company, .location, .date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-right: 15px;
    margin-bottom: 5px;
}

.company i, .location i, .date i {
    color: var(--aws-orange);
    font-size: 0.8rem;
}

.work-list {
    padding-left: 20px;
    margin-bottom: 15px;
}

.work-list li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.95rem;
    list-style: disc;
}

.coursework {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.grade {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.grade i {
    color: var(--aws-green);
}

.distinction {
    color: var(--aws-green);
    font-weight: 600;
}

.tech-used {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tech-used span {
    background: rgba(255, 153, 0, 0.1);
    color: var(--aws-orange);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ===== Projects Section ===== */
.projects {
    padding: 100px 0;
    background: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.project-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 153, 0, 0.1);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: var(--aws-orange);
}

.project-header {
    padding: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-header i {
    font-size: 2.5rem;
    color: white;
}

.aws-gradient-1 { background: linear-gradient(135deg, var(--aws-orange) 0%, #FF6B35 100%); }
.aws-gradient-2 { background: linear-gradient(135deg, var(--aws-blue-light) 0%, var(--aws-green) 100%); }
.aws-gradient-3 { background: linear-gradient(135deg, var(--aws-purple) 0%, #6B5CE7 100%); }
.aws-gradient-4 { background: linear-gradient(135deg, var(--aws-green) 0%, #00D4AA 100%); }
.aws-gradient-5 { background: linear-gradient(135deg, #FF6B35 0%, #FF9900 100%); }
.aws-gradient-6 { background: linear-gradient(135deg, #2D3A4A 0%, var(--aws-blue-light) 100%); }

.project-body {
    padding: 25px;
}

.project-body h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.project-tagline {
    font-size: 0.85rem;
    color: var(--aws-orange);
    margin-bottom: 12px;
    font-weight: 500;
}

.project-body p {
    color: var(--text-secondary);
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 0.9rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.project-tech span {
    background: var(--bg-tertiary);
    color: var(--aws-orange);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 15px;
}

.project-link {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
}

.project-link:hover {
    color: var(--aws-orange);
}

/* ===== Certifications Section ===== */
.certifications {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.cert-card {
    background: var(--bg-tertiary);
    border-radius: 16px;
    padding: 30px 20px;
    text-align: center;
    border: 1px solid rgba(255, 153, 0, 0.1);
    transition: var(--transition-normal);
}

.cert-card:hover {
    border-color: var(--aws-orange);
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

.cert-card.in-progress {
    opacity: 0.7;
}

.cert-card.award {
    border-color: rgba(0, 161, 201, 0.2);
}

.cert-card.award:hover {
    border-color: var(--aws-green);
}

.cert-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-aws);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.cert-card.award .cert-icon {
    background: linear-gradient(135deg, var(--aws-green) 0%, #00D4AA 100%);
}

.cert-icon i {
    font-size: 1.8rem;
    color: var(--aws-blue-dark);
}

.cert-card h3 {
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 5px;
    line-height: 1.3;
}

.cert-level {
    color: var(--aws-orange);
    font-size: 0.75rem;
    font-weight: 600;
}

.cert-card.award .cert-level {
    color: var(--aws-green);
}

/* ===== Leadership Section ===== */
.leadership {
    padding: 100px 0;
    background: var(--bg-primary);
}

.leadership-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.leadership-card {
    background: var(--bg-secondary);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(255, 153, 0, 0.1);
    transition: var(--transition-normal);
}

.leadership-card:hover {
    border-color: var(--aws-orange);
    transform: translateY(-5px);
}

.leadership-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-aws);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
}

.leadership-icon i {
    font-size: 1.3rem;
    color: var(--aws-blue-dark);
}

.leadership-card h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.org-name {
    color: var(--aws-orange);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.leadership-card .date {
    display: flex;
    margin-bottom: 15px;
}

.leadership-card ul {
    padding-left: 15px;
}

.leadership-card li {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 8px;
    list-style: disc;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.contact-item i {
    color: var(--aws-orange);
    font-size: 1.2rem;
    width: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-normal);
    border: 1px solid rgba(255, 153, 0, 0.1);
}

.social-links a:hover {
    background: var(--aws-orange);
    color: var(--aws-blue-dark);
    transform: translateY(-3px);
}

.contact-form {
    background: var(--bg-tertiary);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(255, 153, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 153, 0, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--aws-orange);
    box-shadow: 0 0 10px rgba(255, 153, 0, 0.2);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== Footer ===== */
.footer {
    background: var(--aws-blue);
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-logo i {
    color: var(--aws-orange);
    font-size: 2rem;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cert-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .leadership-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid rgba(255, 153, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .profile-placeholder {
        width: 250px;
        height: 250px;
        margin: 0 auto;
    }

    .aws-badge {
        right: 50%;
        transform: translateX(50%);
    }

    .about-stats {
        justify-content: center;
    }

    .skills-grid,
    .projects-grid,
    .leadership-grid {
        grid-template-columns: 1fr;
    }

    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 25px;
    }

    .section-title {
        font-size: 2rem;
    }

    .name {
        font-size: 2.5rem;
    }

    .title {
        font-size: 1.3rem;
    }

    .timeline::before {
        left: 8px;
    }

    .timeline-item {
        padding-left: 40px;
    }

    .timeline-marker {
        left: 0;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .about-stats {
        flex-direction: column;
        gap: 20px;
    }

    .cert-grid {
        grid-template-columns: 1fr;
    }
}