/* ==========================================
   CSS Variables & Design System (Light/Dark)
   ========================================== */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f1f3f5;
    --accent: #ef233c;
    --accent-hover: #d90429;
    --text-main: #121212;
    --text-muted: #6c757d;
    --border-color: #e9ecef;
    --header-bg: rgba(255, 255, 255, 0.85);
    
    --font-heading: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'Fira Code', monospace;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --radius: 12px;
}

[data-theme="dark"] {
    --bg-primary: #0f1115;
    --bg-secondary: #161920;
    --bg-card: #1b1f28;
    --bg-card-hover: #222734;
    --accent: #ff4d6d;
    --accent-hover: #ff758c;
    --text-main: #f8f9fa;
    --text-muted: #94a3b8;
    --border-color: #2a303c;
    --header-bg: rgba(15, 17, 21, 0.85);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-heading);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

ul {
    list-style: none;
}

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

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
}

/* ==========================================
   Typography & Reusables
   ========================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 0.75rem;
    padding: 0.25rem 0.75rem;
    background: rgba(239, 35, 60, 0.1);
    border-radius: 20px;
}

.section-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0.75rem auto 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(239, 35, 60, 0.25);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(239, 35, 60, 0.4);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-main);
    border-color: var(--border-color);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
    background: rgba(239, 35, 60, 0.05);
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

.btn-block {
    width: 100%;
}

/* ==========================================
   Navigation Bar (Right-Aligned)
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--accent);
}

/* Right alignment container for links and action buttons */
.nav-right-group {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    margin-left: auto;
}

.navbar .nav-list {
    display: flex;
    gap: 1.75rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-main);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.theme-toggle-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.theme-toggle-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: rotate(15deg);
}

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    background: radial-gradient(circle at 10% 20%, rgba(239, 35, 60, 0.03) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(239, 35, 60, 0.05) 0%, transparent 40%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-subtitle {
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.hero-large-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-family: var(--font-mono);
    min-height: 3.2rem;
}

.cursor {
    display: inline-block;
    width: 3px;
    background-color: var(--accent);
    margin-left: 4px;
    animation: blink 0.7s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* Hero Visual / Code Window */
.hero-visual {
    position: relative;
    animation: floatAnim 6s ease-in-out infinite;
}

@keyframes floatAnim {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.code-window {
    background: #14161c;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow: hidden;
}

.code-header {
    background: #0d0f13;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.code-title {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #888;
}

.code-body {
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.7;
    overflow-x: auto;
}

.code-body .keyword { color: #ff79c6; }
.code-body .variable { color: #50fa7b; }
.code-body .property { color: #8be9fd; }
.code-body .string { color: #f1fa8c; }

/* ==========================================
   Quick Highlights Section
   ========================================== */
.highlights {
    padding: 3rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.highlights-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.highlight-card h3 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.highlight-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================
   About Section
   ========================================== */
.about {
    background-color: var(--bg-primary);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.about-lead {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 1.25rem;
}

.about-text-content p {
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
}

.about-info-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.about-info-tags span {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
}

.about-info-tags span i {
    color: var(--accent);
}

.about-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.academic-card-header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.academic-card-header i {
    font-size: 2.5rem;
    color: var(--accent);
    background: rgba(239, 35, 60, 0.1);
    padding: 1rem;
    border-radius: 12px;
}

.academic-card-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

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

.academic-details {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-bottom: 1.75rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.academic-details strong {
    color: var(--text-main);
}

.academic-quote {
    background: var(--bg-primary);
    padding: 1.25rem;
    border-radius: 8px;
    border-left: 3px solid var(--accent);
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.academic-quote i {
    color: var(--accent);
    font-size: 1.1rem;
}

.academic-quote p {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ==========================================
   What I Do Section
   ========================================== */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow);
}

.service-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.75rem;
}

.service-num {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    opacity: 0.6;
}

.service-icon {
    font-size: 1.75rem;
    color: var(--text-main);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ==========================================
   Technologies Section
   ========================================== */
.skills {
    background-color: var(--bg-primary);
}

.tech-category-title {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.tech-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
}

.tech-card i {
    font-size: 2.25rem;
}

.tech-card span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.tech-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    background: var(--bg-card);
    box-shadow: 0 8px 25px rgba(239, 35, 60, 0.1);
}

.tech-disclaimer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: var(--radius);
    border: 1px dashed var(--border-color);
    text-align: center;
}

.tech-disclaimer i {
    color: var(--accent);
}

/* ==========================================
   Journey / Timeline Section
   ========================================== */
.journey {
    background-color: var(--bg-secondary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

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

.timeline-dot {
    position: absolute;
    left: calc(-2rem - 6px);
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--bg-secondary);
    box-shadow: 0 0 0 4px rgba(239, 35, 60, 0.2);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--accent);
    transform: translateX(6px);
}

.timeline-year {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 700;
    background: rgba(239, 35, 60, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ==========================================
   Projects Section
   ========================================== */
.projects {
    background-color: var(--bg-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.featured-project {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.project-image {
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    min-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.project-img-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.project-img-placeholder i {
    font-size: 3rem;
    color: var(--accent);
}

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

.project-number {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 700;
    background: var(--bg-primary);
    color: var(--text-main);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.project-content {
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tags span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: var(--bg-primary);
    color: var(--accent);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.project-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.project-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.project-links {
    display: flex;
    gap: 1rem;
}

/* ==========================================
   Currently Learning Section
   ========================================== */
.learning {
    background-color: var(--bg-secondary);
}

.learning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.learning-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    position: relative;
}

.learning-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.learning-num {
    font-family: var(--font-mono);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    display: block;
    margin-bottom: 1rem;
}

.learning-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

/* ==========================================
   Terminal Section
   ========================================== */
.terminal-section {
    background-color: var(--bg-primary);
}

.terminal-box {
    max-width: 800px;
    margin: 0 auto;
    background: #14161c;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.terminal-top-bar {
    background: #0d0f13;
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
    display: flex;
    gap: 8px;
}

.terminal-window-title {
    margin: 0 auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: #888;
}

.terminal-content {
    padding: 2rem;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.8;
}

.terminal-line {
    display: flex;
    gap: 10px;
    margin-top: 0.75rem;
}

.prompt-sign {
    color: var(--accent);
    font-weight: bold;
}

.cmd {
    color: #50fa7b;
}

.terminal-output {
    color: var(--text-muted);
    padding-left: 1.25rem;
    margin-bottom: 0.75rem;
}

.cursor-blink {
    color: var(--accent);
    animation: blink 0.7s infinite;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background-color: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contact-details-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-details-list i {
    font-size: 1.25rem;
    color: var(--accent);
    background: rgba(239, 35, 60, 0.1);
    padding: 0.85rem;
    border-radius: 10px;
}

.contact-details-list span {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
}

.contact-details-list strong {
    font-size: 1rem;
    color: var(--text-main);
}

.contact-socials {
    display: flex;
    gap: 1rem;
}

.contact-socials a {
    width: 45px;
    height: 45px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
    font-size: 1.1rem;
}

.contact-socials a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
    transform: translateY(-4px);
}

.contact-form-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(239, 35, 60, 0.15);
}

.error-msg {
    display: block;
    font-size: 0.8rem;
    color: var(--accent);
    margin-top: 0.25rem;
}

.form-success-msg {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(39, 201, 63, 0.1);
    border: 1px solid #27c93f;
    color: #27c93f;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: var(--bg-secondary);
    color: var(--text-main);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

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

.footer-left p {
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.footer-location {
    font-size: 0.9rem;
    font-family: var(--font-mono);
    margin-top: 0.25rem !important;
}

.footer h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

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

.footer-links a,
.footer-socials a {
    color: var(--text-muted);
    font-size: 0.95rem;
}

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

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 38px;
    height: 38px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-main);
}

.social-icons a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background: var(--accent);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(239, 35, 60, 0.4);
}

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

.back-to-top:hover {
    background: var(--accent-hover);
    transform: translateY(-4px);
}

/* ==========================================
   Animations & Scroll Reveal Base
   ========================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ==========================================
   Responsive Media Queries
   ========================================== */
@media (max-width: 1024px) {
    .hero-container,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .featured-project {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }

    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .highlights-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .navbar {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        border-left: 1px solid var(--border-color);
        z-index: 1001;
    }

    .navbar.active {
        right: 0;
    }

    .navbar .nav-list {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .hamburger {
        display: flex;
        z-index: 1002;
    }

    .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);
    }

    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.25rem;
    }

    .highlights-container {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }
}/* --- Hero Photo Styles --- */
.hero-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 300px;
    width: 100%;
}

.hero-img {
    width: 100%;
    height: auto;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}