/* ==========================================
   DESIGN SYSTEM & VARIABLES
   ========================================== */
:root {
    /* Color Palette (HSL Tailored) */
    --bg-color: #080b11;
    --second-bg-color: #0f1420;
    --text-color: #e2e8f0;
    --text-muted: #94a3b8;
    --main-color: #ff9f1c; /* Premium Amber */
    --main-color-rgb: 255, 159, 28;
    --accent-color: #00f5d4; /* Neon Cyan */
    --accent-color-rgb: 0, 245, 212;
    
    /* Glassmorphism Styles */
    --glass-bg: rgba(15, 20, 32, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: rgba(0, 0, 0, 0.3);
    
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ==========================================
   RESET & BASE STYLES
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none;
    outline: none;
    scroll-behavior: smooth;
}

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
}

section {
    min-height: 100vh;
    padding: 10rem 9% 2rem;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-color);
}
::-webkit-scrollbar-thumb {
    background: rgba(var(--main-color-rgb), 0.3);
    border-radius: 4px;
    transition: var(--transition-smooth);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--main-color);
}

/* Selection Highlight */
::selection {
    background: var(--main-color);
    color: var(--bg-color);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
}

span {
    color: var(--main-color);
}

.heading {
    text-align: center;
    font-size: 4.5rem;
    margin-bottom: 6rem;
    position: relative;
    letter-spacing: -1px;
}

.heading span {
    display: block;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.5rem;
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem 9%;
    background: rgba(8, 11, 17, 0.75);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.header.sticky {
    padding: 1.2rem 9%;
    background: rgba(8, 11, 17, 0.9);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.logo {
    font-size: 2.5rem;
    color: var(--text-color);
    font-weight: 800;
    cursor: default;
    transition: var(--transition-smooth);
}

.logo:hover {
    transform: scale(1.02);
}

.navbar {
    display: flex;
    align-items: center;
}

.navbar a {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
    margin-left: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    padding: 0.5rem 0;
}

.navbar a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--main-color);
    transition: var(--transition-smooth);
}

.navbar a:hover::after,
.navbar a.active::after {
    width: 100%;
}

.navbar a:hover,
.navbar a.active {
    color: var(--main-color);
}

#menu-icon {
    font-size: 3rem;
    color: var(--text-color);
    cursor: pointer;
    display: none;
    transition: var(--transition-smooth);
}

/* Language Switcher Button */
.header-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-toggle-container {
    position: relative;
}

.lang-btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.6rem 1.2rem;
    border-radius: 50px;
    color: var(--text-color);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px var(--glass-shadow);
}

.lang-btn:hover {
    border-color: var(--main-color);
    color: var(--main-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(var(--main-color-rgb), 0.25);
}

.lang-dropdown {
    position: absolute;
    top: 120%;
    right: 0;
    background: var(--second-bg-color);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.5rem;
    width: 150px;
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    z-index: 1100;
    backdrop-filter: blur(10px);
}

.lang-dropdown.show {
    display: flex;
    animation: fadeInDropdown 0.3s ease-out;
}

.lang-option {
    padding: 0.6rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.lang-option:hover {
    background: rgba(var(--main-color-rgb), 0.15);
    color: var(--main-color);
}

@keyframes fadeInDropdown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

.btn {
    display: inline-block;
    padding: 1.2rem 2.8rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: var(--transition-bounce);
    cursor: pointer;
}

.btn-primary {
    background: var(--main-color);
    color: var(--bg-color);
    box-shadow: 0 8px 24px rgba(var(--main-color-rgb), 0.3);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(var(--main-color-rgb), 0.5);
}

.btn-outline {
    background: transparent;
    color: var(--main-color);
    border: 2px solid var(--main-color);
}

.btn-outline:hover {
    background: var(--main-color);
    color: var(--bg-color);
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(var(--main-color-rgb), 0.4);
}

/* ==========================================
   HERO / HOME SECTION
   ========================================== */
.home {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.home-content {
    max-width: 600px;
}

.welcome-text {
    font-size: 2rem;
    font-weight: 500;
    color: var(--text-muted);
}

.home-content h1 {
    font-size: 5.6rem;
    font-weight: 800;
    line-height: 1.1;
    margin: 1rem 0;
    letter-spacing: -2px;
}

.subtitle {
    font-size: 2.8rem;
    font-weight: 600;
    margin-bottom: 2rem;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.social-icons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.social-icons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4.5rem;
    height: 4.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    font-size: 2.2rem;
    color: var(--text-color);
    transition: var(--transition-bounce);
    box-shadow: 0 4px 15px var(--glass-shadow);
}

.social-icons a:hover {
    color: var(--bg-color);
    background: var(--main-color);
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 8px 25px rgba(var(--main-color-rgb), 0.5);
    border-color: var(--main-color);
}

/* Glowing Circle and Mock Profile Box */
.home-img {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 4%;
}

.glowing-circle {
    position: relative;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.glowing-circle span:nth-child(1) {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--main-color), var(--accent-color));
    animation: rotateCircle 8s linear infinite;
    filter: blur(10px);
    opacity: 0.75;
}

.glowing-circle span:nth-child(2) {
    position: absolute;
    width: 96%;
    height: 96%;
    border-radius: 50%;
    background: var(--bg-color);
}

.image-box {
    position: relative;
    width: 85%;
    height: 85%;
    border-radius: 50%;
    background: var(--second-bg-color);
    border: 1px solid var(--glass-border);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    overflow: hidden;
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8);
}

.image-box i {
    font-size: 10rem;
    color: var(--main-color);
    animation: pulseIcon 4s ease-in-out infinite;
    text-shadow: 0 0 40px rgba(var(--main-color-rgb), 0.5);
}

@keyframes rotateCircle {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes pulseIcon {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        color: var(--main-color);
    }
    50% {
        transform: scale(1.1) rotate(5deg);
        color: var(--accent-color);
    }
}

/* ==========================================
   ABOUT SECTION
   ========================================== */
.about {
    background: var(--second-bg-color);
}

.about-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
}

.about-content {
    max-width: 850px;
}

.about-content p {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* Info Cards Grid */
.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 3.5rem;
}

.info-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition-bounce);
    box-shadow: 0 10px 30px var(--glass-shadow);
}

.info-card:hover {
    transform: translateY(-10px);
    border-color: rgba(var(--main-color-rgb), 0.3);
    box-shadow: 0 15px 35px rgba(var(--main-color-rgb), 0.15);
}

.info-card i {
    font-size: 3.2rem;
    color: var(--main-color);
    margin-bottom: 1.5rem;
}

.info-card h4 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
}

.info-card p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

/* Skills Showcase */
.skills-showcase {
    margin-top: 4.5rem;
}

.skills-showcase h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    position: relative;
    display: inline-block;
}

.skills-showcase h3::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--main-color);
    border-radius: 20px;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem;
}

.skill-badge {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 1.6rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: var(--transition-smooth);
}

.skill-badge i {
    font-size: 1.4rem;
    color: var(--main-color);
}

.skill-badge:hover {
    background: rgba(var(--main-color-rgb), 0.1);
    border-color: var(--main-color);
    color: var(--main-color);
    transform: translateY(-3px);
}

/* ==========================================
   EXPERIENCE SECTION (TIMELINE)
   ========================================== */
.experience {
    position: relative;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 3px;
    background: rgba(255, 255, 255, 0.08);
    top: 0;
    bottom: 0;
    left: 50%;
    margin-left: -1.5px;
}

.timeline-item {
    padding: 10px 40px;
    position: relative;
    width: 50%;
    animation: fadeInUp 1s ease-out;
}

.timeline-item:nth-child(odd) {
    left: 0;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    right: -10px;
    background: var(--main-color);
    border: 4px solid var(--bg-color);
    top: 30px;
    border-radius: 50%;
    z-index: 10;
    box-shadow: 0 0 15px var(--main-color);
    transition: var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

.timeline-item:hover .timeline-dot {
    background: var(--accent-color);
    box-shadow: 0 0 18px var(--accent-color);
}

.timeline-card {
    padding: 2.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    position: relative;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--glass-shadow);
    transition: var(--transition-bounce);
}

.timeline-card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--main-color-rgb), 0.3);
    box-shadow: 0 15px 35px rgba(var(--main-color-rgb), 0.15);
}

.timeline-date {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(var(--main-color-rgb), 0.15);
    color: var(--main-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.timeline-card h3 {
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.timeline-company {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1.2rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.timeline-card ul {
    list-style: none;
}

.timeline-card ul li {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 1.5rem;
}

.timeline-card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--main-color);
}

/* ==========================================
   EDUCATION SECTION
   ========================================== */
.education {
    background: var(--second-bg-color);
}

.edu-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.edu-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 3rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
    box-shadow: 0 10px 30px var(--glass-shadow);
    transition: var(--transition-bounce);
}

.edu-card:hover {
    transform: translateY(-5px);
    border-color: rgba(var(--main-color-rgb), 0.3);
    box-shadow: 0 15px 35px rgba(var(--main-color-rgb), 0.15);
}

.edu-left {
    display: flex;
    gap: 2rem;
}

.edu-icon {
    width: 60px;
    height: 60px;
    background: rgba(var(--main-color-rgb), 0.1);
    border: 1px solid rgba(var(--main-color-rgb), 0.2);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.8rem;
    color: var(--main-color);
    flex-shrink: 0;
}

.edu-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.edu-uni {
    font-size: 1.1rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.edu-detail {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.edu-right {
    text-align: right;
    flex-shrink: 0;
}

.edu-year {
    display: inline-block;
    padding: 0.6rem 1.4rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.edu-gpa {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--main-color);
}

/* ==========================================
   CERTIFICATES & COURSES SECTION
   ========================================== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.cert-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px var(--glass-shadow);
    transition: var(--transition-bounce);
    display: flex;
    flex-direction: column;
}

.cert-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-color-rgb), 0.3);
    box-shadow: 0 15px 35px rgba(var(--accent-color-rgb), 0.12);
}

.cert-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.cert-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(var(--accent-color-rgb), 0.1);
    color: var(--accent-color);
    font-size: 2.2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cert-header h3 {
    font-size: 1.4rem;
}

.cert-link {
    color: var(--text-color);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.cert-link:hover {
    color: var(--accent-color);
}

.cert-link i {
    font-size: 1.2rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.cert-link:hover i {
    color: var(--accent-color);
    transform: translate(2px, -2px);
}

.cert-card p {
    font-size: 0.98rem;
    color: var(--text-muted);
    line-height: 1.7;
    flex-grow: 1;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */
.contact-container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
}

.contact-wrapper {
    text-align: center;
}

.contact-desc {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 4rem 2rem;
    text-align: center;
    transition: var(--transition-bounce);
    box-shadow: 0 10px 30px var(--glass-shadow);
}

.contact-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--main-color-rgb), 0.3);
    box-shadow: 0 15px 35px rgba(var(--main-color-rgb), 0.15);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: rgba(var(--main-color-rgb), 0.1);
    border: 1px solid rgba(var(--main-color-rgb), 0.25);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem;
    color: var(--main-color);
    margin: 0 auto 2rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.contact-card:hover .contact-icon {
    background: var(--main-color);
    color: var(--bg-color);
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(var(--main-color-rgb), 0.4);
}

.contact-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-family: var(--font-heading);
}

.contact-card p,
.contact-card p a {
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition-smooth);
}

.contact-card p a:hover {
    color: var(--main-color);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    padding: 3rem 9%;
    background: var(--bg-color);
    border-top: 1px solid var(--glass-border);
}

.footer-text p {
    font-size: 1rem;
    color: var(--text-muted);
}

.footer-iconTop a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: var(--transition-bounce);
    box-shadow: 0 4px 15px var(--glass-shadow);
}

.footer-iconTop a i {
    font-size: 2.2rem;
    color: var(--main-color);
}

.footer-iconTop a:hover {
    background: var(--main-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(var(--main-color-rgb), 0.4);
}

.footer-iconTop a:hover i {
    color: var(--bg-color);
}

/* ==========================================
   KEYFRAME ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}


/* ==========================================
   PORTFOLIO (PROJECTS) SECTION
   ========================================== */
.portfolio {
    background: var(--bg-color);
    padding: 10rem 9% 10rem;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.project-card {
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    padding: 0;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    height: 220px;
    overflow: hidden;
    box-shadow: 0 8px 32px 0 var(--glass-shadow);
    display: block;
    cursor: pointer;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.project-card:hover {
    transform: translateY(-8px);
}

.project-card.bupack {
    background: #ffffff;
}

.project-card.bupack:hover {
    border-color: #cca050;
    box-shadow: 0 10px 30px rgba(204, 160, 80, 0.25);
}

.project-card.bupack .project-icon {
    color: #cca050;
}

.project-card.tau-mobil {
    background: linear-gradient(to bottom, #004d4d 0%, #003333 45%, #080b11 100%);
}

.project-card.tau-mobil:hover {
    border-color: #14b8a6;
    box-shadow: 0 10px 30px rgba(20, 184, 166, 0.25);
}

.project-card.tau-mobil .project-icon {
    color: #14b8a6;
}

.project-card.ismail-acar:hover {
    border-color: #ff9f1c;
    box-shadow: 0 10px 30px rgba(255, 159, 28, 0.2);
}

.project-card.ismail-acar .project-icon {
    color: #ff9f1c;
}

.project-card.akigo:hover {
    border-color: #2563eb;
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.25);
}

.project-card.akigo .project-icon {
    color: #2563eb;
}

.project-img-wrapper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    border-radius: 2rem;
    margin-bottom: 0;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

.project-img {
    width: 100%;
    height: calc(100% + 22px);
    object-fit: cover;
    object-position: center -20px;
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.project-card.bupack .project-img {
    object-fit: contain;
    object-position: center;
    padding: 2.2rem;
    height: 100%;
}

.project-card.tau-mobil .project-img {
    object-fit: contain;
    object-position: center;
    padding: 2.2rem;
    height: 100%;
}

.project-card:hover .project-img {
    transform: scale(1.06);
    filter: brightness(0.22) blur(1px);
}

.project-content {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1.5rem 2rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    z-index: 2;
    border-radius: 2rem;
}

.project-card:hover .project-content {
    opacity: 1;
    transform: translateY(0);
}

/* Brand specific overlays */
.project-card.bupack .project-content {
    background: linear-gradient(to bottom, rgba(0, 66, 66, 0.45) 0%, rgba(8, 11, 17, 0.96) 100%);
}

.project-card.tau-mobil .project-content {
    background: linear-gradient(to bottom, rgba(0, 80, 80, 0.45) 0%, rgba(8, 11, 17, 0.96) 100%);
}

.project-card.ismail-acar .project-content {
    background: linear-gradient(to bottom, rgba(44, 26, 16, 0.45) 0%, rgba(8, 11, 17, 0.96) 100%);
}

.project-card.akigo .project-content {
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.6) 0%, rgba(5, 8, 16, 0.98) 100%);
}

.project-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 0.8rem;
}

.project-icon {
    font-size: 3rem;
    color: var(--main-color);
}

.project-card h3 {
    font-size: 1.6rem;
    font-family: var(--font-heading);
    color: var(--text-color);
}

.project-desc {
    font-size: 1.25rem;
    color: var(--text-color);
    opacity: 0.85;
    line-height: 1.5;
    margin-bottom: 0;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.project-tag {
    background: rgba(255, 159, 28, 0.08);
    border: 1px solid rgba(255, 159, 28, 0.15);
    color: var(--main-color);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 500;
}

.project-card.bps-express {
    background-image: url('images/bps_express_preview1.png');
    background-size: cover;
    background-position: center top;
}

.project-card.bps-express .project-content {
    background: linear-gradient(to bottom, rgba(5, 35, 58, 0.45) 0%, rgba(8, 11, 17, 0.96) 100%);
}

.project-card.bps-express:hover {
    border-color: #00a8ff;
    box-shadow: 0 10px 30px rgba(0, 168, 255, 0.25);
}

.project-card.bps-express .project-icon {
    color: #00a8ff;
}

/* Lightbox Gallery Modal */
.gallery-modal {
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(8, 11, 17, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: opacity 0.3s ease;
    opacity: 0;
}

.gallery-modal.show {
    display: flex;
    opacity: 1;
}

.gallery-content {
    max-width: 85%;
    max-height: 85vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.gallery-content img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: 1.5rem;
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
    object-fit: contain;
    animation: zoomIn 0.3s ease-out;
}

.gallery-close {
    position: absolute;
    top: 3rem;
    right: 4rem;
    color: #fff;
    font-size: 4rem;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 10000;
}

.gallery-close:hover {
    color: var(--main-color);
    transform: scale(1.1);
}

.gallery-btn-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 3rem;
    padding: 1.5rem 2rem;
    cursor: pointer;
    border-radius: 50%;
    transition: var(--transition-smooth);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.gallery-btn-nav:hover {
    background: var(--main-color);
    border-color: var(--main-color);
    color: #080b11;
}

.gallery-prev {
    left: 4rem;
}

.gallery-next {
    right: 4rem;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive adjustment for gallery navigation buttons */
@media (max-width: 768px) {
    .gallery-prev {
        left: 2rem;
    }
    .gallery-next {
        right: 2rem;
    }
    .gallery-btn-nav {
        padding: 1rem 1.5rem;
        font-size: 2rem;
    }
    .gallery-close {
        top: 2rem;
        right: 2rem;
    }
}

/* ==========================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================== */
@media (max-width: 1200px) {
    html {
        font-size: 55%;
    }
}

@media (max-width: 991px) {
    .header {
        padding: 2rem 4%;
    }
    .header.sticky {
        padding: 1.2rem 4%;
    }
    section {
        padding: 8rem 4% 2rem;
    }
    .home {
        flex-direction: column-reverse;
        justify-content: center;
        gap: 6rem;
        text-align: center;
    }
    .home-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .btn-group {
        justify-content: center;
    }
    .about-container {
        flex-direction: column;
    }
    .timeline::after {
        left: 31px;
    }
    .timeline-item {
        width: 100%;
        padding-left: 70px;
        padding-right: 25px;
    }
    .timeline-item:nth-child(even) {
        left: 0;
    }
    .timeline-dot {
        left: 21px !important;
        right: auto;
    }
    .edu-card {
        flex-direction: column;
        gap: 2rem;
    }
    .edu-right {
        text-align: left;
    }
    .contact-container {
        flex-direction: column;
        gap: 5rem;
    }
}

@media (max-width: 768px) {
    #menu-icon {
        display: block;
    }
    
    .navbar {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem 4%;
        background: rgba(8, 11, 17, 0.95);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--glass-border);
        display: none;
        flex-direction: column;
        align-items: flex-start;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    }
    
    .navbar.active {
        display: flex;
    }
    
    .navbar a {
        display: block;
        font-size: 2rem;
        margin: 1.5rem 0;
        width: 100%;
    }
    
    .navbar a::after {
        display: none;
    }
    
    .home-content h1 {
        font-size: 4.8rem;
    }
    
    .subtitle {
        font-size: 2.2rem;
    }
    
    .heading {
        font-size: 3.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 50%;
    }
    .glowing-circle {
        width: 280px;
        height: 280px;
    }
    .image-box i {
        font-size: 8rem;
    }
    .btn-group {
        flex-direction: column;
        width: 100%;
        gap: 1.5rem;
    }
    .btn {
        width: 100%;
        text-align: center;
    }
}