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

:root {
    --green: #00ff41;
    --green-dark: #00a028;
    --green-glow: #00ff4166;
    --bg-dark: #0a0e14;
    --bg-darker: #050709;
    --white: #ffffff;
    --text-gray: #9aa4b2;
    --text-light: #d0d7e0;
    --light-bg: #f5f7fa;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--light-bg);
    color: #1a1a1a;
    overflow-x: hidden;
    position: relative;
    line-height: 1.6;
}

/* Matrix Rain Canvas */
#matrix-rain {
    position: absolute;
    top: -80px;
    left: 0;
    width: 100%;
    height: calc(100% + 80px);
    z-index: 1;
    opacity: 1;
    pointer-events: none;
    mix-blend-mode: multiply;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    z-index: 100;
    border-bottom: 1px solid rgba(0, 255, 65, 0.15);
    transition: all 0.3s;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 18px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex; align-items: center; gap: 10px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 900; font-size: 22px;
    text-decoration: none;
}

.logo-icon { color: var(--green-dark); font-size: 26px; }
.logo-text { color: #1a1a1a; letter-spacing: 2px; }
.logo-text .dot { color: var(--green-dark); }

.nav-links { display: flex; list-style: none; gap: 35px; }

.nav-links a {
    color: #1a1a1a; text-decoration: none;
    font-weight: 500; font-size: 13px;
    letter-spacing: 1.2px; transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: ''; position: absolute;
    bottom: -6px; left: 0;
    width: 0; height: 2px;
    background: var(--green-dark);
    transition: width 0.3s;
}

.nav-links a:hover { color: var(--green-dark); }
.nav-links a:hover::after { width: 100%; }

.nav-btn {
    padding: 11px 26px;
    background: var(--green-dark);
    color: #fff; border: none;
    border-radius: 25px;
    font-weight: 700; font-size: 12px;
    letter-spacing: 1.2px; cursor: pointer;
    transition: all 0.3s; text-decoration: none;
}

.nav-btn:hover { background: var(--green); color: #000; transform: translateY(-2px); }

/* Hero Section */
.hero {
    position: relative;
    background: rgba(245, 247, 250, 0.6);
    backdrop-filter: blur(2px);
    padding: 120px 40px 80px;
    overflow: hidden;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: end;
    position: relative;
    z-index: 2;
}

.hero-content {
    position: relative;
    padding-bottom: 40px;
    animation: fadeInLeft 1s ease;
    border-radius: 20px;
    padding: 30px 35px 40px;
}

.hero-content::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(245, 247, 250, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px;
    z-index: -1;
}

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 16px;
    background: rgba(0, 160, 40, 0.1);
    border: 1px solid var(--green-dark);
    border-radius: 20px;
    color: var(--green-dark);
    font-size: 11px; font-weight: 700;
    letter-spacing: 1.5px; margin-bottom: 22px;
}

.pulse-dot {
    width: 8px; height: 8px;
    background: var(--green-dark);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 160, 40, 0.6); }
    50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(0, 160, 40, 0); }
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 48px; font-weight: 900;
    line-height: 1.15; color: #0a0e14;
    margin-bottom: 22px;
}

.hero-title .highlight { color: var(--green-dark); }

.hero-desc {
    font-size: 15px; line-height: 1.7;
    color: #555; margin-bottom: 32px;
    max-width: 540px;
}

.hero-desc strong { color: #0a0e14; font-weight: 600; }

.hero-buttons {
    display: flex; gap: 16px;
    margin-bottom: 45px; flex-wrap: wrap;
}

.btn {
    display: inline-block; padding: 14px 32px;
    border: none; border-radius: 30px;
    font-weight: 700; font-size: 13px;
    letter-spacing: 1.5px; cursor: pointer;
    transition: all 0.3s;
    font-family: 'Inter', sans-serif;
    text-decoration: none; text-align: center;
}

.btn-primary { background: var(--green-dark); color: #fff; }

.btn-primary:hover {
    transform: translateY(-3px);
    background: var(--green); color: #000;
    box-shadow: 0 8px 25px rgba(0, 160, 40, 0.3);
}

.btn-outline { background: transparent; color: #1a1a1a; border: 2px solid #1a1a1a; }
.btn-outline:hover { background: #1a1a1a; color: var(--white); }
.btn-large { padding: 18px 45px; font-size: 14px; }

.hero-stats { display: flex; gap: 40px; flex-wrap: wrap; }

.stat h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 30px; font-weight: 900;
    color: var(--green-dark); margin-bottom: 2px;
}

.stat p { color: #777; font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }

/* Hero Image - Matrix Canvas */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    animation: fadeInRight 1s ease;
    align-self: end;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 600px;
    aspect-ratio: 1 / 1;
}

#image-canvas {
    position: relative;
    width: 100%;
    height: 100%;
    display: block;
    background: transparent;
    border-radius: 24px;
    z-index: 2;
    pointer-events: none;
}

/* Wave Divider */
.wave-divider {
    position: absolute;
    bottom: -1px; left: 0;
    width: 100%; height: 80px;
    z-index: 3; pointer-events: none;
    overflow: hidden; line-height: 0;
}

.wave-divider svg { position: relative; display: block; width: 100%; height: 100%; }
.wave-divider path { fill: rgba(10, 14, 20, 0.96); }

/* Section Headers */
.section-header { text-align: center; margin-bottom: 60px; }

.section-tag {
    display: inline-block;
    color: var(--green);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700; font-size: 12px;
    letter-spacing: 4px; margin-bottom: 12px;
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 38px; color: var(--white);
    font-weight: 900; letter-spacing: 1px;
}

.section-subtitle {
    color: var(--text-gray);
    font-size: 13px;
    margin-top: 12px;
    letter-spacing: 1px;
}

/* About Section */
.about {
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(8px);
    padding: 90px 40px;
    position: relative; z-index: 2;
}

.about-container {
    max-width: 1400px; margin: 0 auto;
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 60px; align-items: start;
}

.about-text h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 26px; color: var(--white);
    margin-bottom: 22px; line-height: 1.3;
}

.about-text p {
    color: var(--text-light);
    font-size: 15px; line-height: 1.8;
    margin-bottom: 18px;
}

.about-text strong { color: var(--green); font-weight: 600; }

.core-strengths {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px; margin-top: 28px;
}

.strength {
    display: flex; align-items: center; gap: 10px;
    color: var(--text-light); font-size: 13px;
    padding: 10px 14px;
    background: rgba(0, 255, 65, 0.04);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 8px; transition: all 0.3s;
}

.strength:hover {
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.08);
    transform: translateX(4px);
}

.strength span { color: var(--green); font-size: 12px; }

.about-info { display: flex; flex-direction: column; gap: 18px; }

.info-card {
    padding: 20px 22px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 65, 0.12);
    border-radius: 10px; transition: all 0.3s;
}

.info-card:hover { border-color: var(--green); background: rgba(0, 255, 65, 0.03); }

.info-card h4 {
    color: var(--green);
    font-family: 'Orbitron', sans-serif;
    font-size: 11px; letter-spacing: 2px;
    margin-bottom: 8px;
}

.info-card p { color: var(--text-light); font-size: 13px; line-height: 1.6; }
.info-card p strong { color: var(--green); }

/* Skills Section */
.skills {
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(8px);
    padding: 90px 40px;
    position: relative; z-index: 2;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.skills-grid {
    max-width: 1400px; margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.skill-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 14px; padding: 28px 24px;
    transition: all 0.4s;
}

.skill-card:hover {
    transform: translateY(-6px);
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.03);
    box-shadow: 0 15px 35px rgba(0, 255, 65, 0.1);
}

.skill-card.featured { border-color: rgba(0, 255, 65, 0.4); background: rgba(0, 255, 65, 0.04); }

.card-icon { font-size: 32px; margin-bottom: 16px; }

.skill-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 14px; color: var(--white);
    margin-bottom: 18px; letter-spacing: 1px;
}

.skill-tags { display: flex; flex-wrap: wrap; gap: 6px; }

.skill-tags span {
    display: inline-block;
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 6px;
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    transition: all 0.2s;
}

.skill-tags span:hover {
    background: rgba(0, 255, 65, 0.08);
    border-color: var(--green);
    color: var(--green);
}

/* Experience Timeline */
.experience {
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(8px);
    padding: 90px 40px;
    position: relative; z-index: 2;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

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

.timeline::before {
    content: ''; position: absolute;
    left: 180px; top: 0; bottom: 0;
    width: 2px;
    background: rgba(0, 255, 65, 0.2);
}

.timeline-item {
    position: relative;
    padding-left: 230px;
    margin-bottom: 30px;
    cursor: pointer;
}

.timeline-item::before {
    content: ''; position: absolute;
    left: 173px; top: 8px;
    width: 16px; height: 16px;
    background: var(--bg-dark);
    border: 3px solid var(--green);
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.4);
    transition: all 0.3s;
}

.timeline-item:hover::before {
    transform: scale(1.3);
    box-shadow: 0 0 25px rgba(0, 255, 65, 0.8);
}

.timeline-date {
    position: absolute;
    left: 0; top: 6px;
    width: 160px; text-align: right;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px; font-weight: 600;
}

.timeline-content {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 65, 0.12);
    border-radius: 10px;
    padding: 20px 24px;
    transition: all 0.3s;
}

.timeline-item:hover .timeline-content {
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.03);
    transform: translateX(6px);
}

.timeline-content h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 17px; color: var(--white);
    margin-bottom: 4px;
}

.timeline-content h4 { color: var(--green); font-size: 13px; margin-bottom: 10px; font-weight: 500; }
.timeline-content p { color: var(--text-gray); font-size: 13px; line-height: 1.7; margin-bottom: 12px; }

.read-more {
    display: inline-block;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    letter-spacing: 1.2px;
    font-weight: 600;
    transition: all 0.3s;
}

.timeline-item:hover .read-more,
.project-card:hover .read-more { letter-spacing: 2px; }

/* Projects */
.projects {
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(8px);
    padding: 90px 40px;
    position: relative; z-index: 2;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.projects-grid {
    max-width: 1400px; margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.project-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 14px; padding: 28px;
    transition: all 0.4s;
    cursor: pointer;
    display: flex; flex-direction: column;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.03);
    box-shadow: 0 15px 35px rgba(0, 255, 65, 0.08);
}

.project-card.featured { border-color: var(--green); background: rgba(0, 255, 65, 0.04); }

.project-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 14px;
}

.project-tag {
    display: inline-block; padding: 4px 12px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--green);
    border-radius: 15px; color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px; letter-spacing: 1.5px;
    font-weight: 600;
}

.project-icon { font-size: 26px; }

.project-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px; color: var(--white);
    margin-bottom: 6px;
}

.project-subtitle { color: var(--green); font-size: 13px; margin-bottom: 14px !important; font-weight: 500; }

.project-card p {
    color: var(--text-gray); font-size: 13px;
    line-height: 1.7; margin-bottom: 14px;
    flex-grow: 1;
}

.project-tech { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

.project-tech span {
    padding: 5px 11px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    color: var(--text-light);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

/* Certifications */
.certifications {
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(8px);
    padding: 90px 40px;
    position: relative; z-index: 2;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.cert-grid {
    max-width: 1400px; margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}

.cert-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 14px; padding: 28px 22px;
    text-align: center; transition: all 0.4s;
}

.cert-card:hover {
    transform: translateY(-6px);
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.03);
}

.cert-icon { font-size: 36px; margin-bottom: 14px; }
.cert-card h3 { font-family: 'Orbitron', sans-serif; font-size: 15px; color: var(--white); margin-bottom: 8px; }
.cert-card p { color: var(--text-gray); font-size: 12px; line-height: 1.6; margin-bottom: 12px; }

.cert-date {
    display: inline-block; padding: 3px 10px;
    background: rgba(0, 255, 65, 0.1);
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px; border-radius: 10px;
    letter-spacing: 1px;
}

/* CTA / Contact */
.cta {
    background: rgba(10, 14, 20, 0.96);
    backdrop-filter: blur(8px);
    padding: 90px 40px;
    position: relative; z-index: 2;
    border-top: 1px solid rgba(0, 255, 65, 0.08);
}

.cta-container { max-width: 1100px; margin: 0 auto; text-align: center; }

.cta-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 40px; font-weight: 900;
    color: var(--white);
    margin: 12px 0 12px;
    letter-spacing: 2px;
}

.cta-desc { color: var(--text-gray); font-size: 15px; margin-bottom: 40px; }

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px; margin-bottom: 40px;
}

.contact-item {
    display: flex; align-items: center; gap: 14px;
    padding: 18px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(0, 255, 65, 0.15);
    border-radius: 12px;
    text-decoration: none; transition: all 0.3s;
    text-align: left;
}

.contact-item:hover {
    border-color: var(--green);
    background: rgba(0, 255, 65, 0.04);
    transform: translateY(-3px);
}

.contact-icon {
    width: 42px; height: 42px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--green);
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--green); font-size: 18px; font-weight: 700;
    flex-shrink: 0;
}

.contact-item h4 { color: var(--green); font-family: 'Orbitron', sans-serif; font-size: 10px; letter-spacing: 1.5px; margin-bottom: 3px; }
.contact-item p { color: var(--text-light); font-size: 13px; font-family: 'JetBrains Mono', monospace; }


/* Footer */
.footer {
    background: rgba(5, 7, 9, 0.98);
    backdrop-filter: blur(8px);
    padding: 60px 40px 25px;
    position: relative; z-index: 2;
    border-top: 1px solid rgba(0, 255, 65, 0.1);
}

.footer-container {
    max-width: 1400px; margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px; margin-bottom: 40px;
}

.footer-col .logo { margin-bottom: 16px; }
.footer-col .logo-text { color: var(--white); }

.footer-col h4 {
    font-family: 'Orbitron', sans-serif;
    color: var(--green); font-size: 12px;
    letter-spacing: 2px; margin-bottom: 18px;
}

.footer-col p { color: var(--text-gray); line-height: 1.7; font-size: 13px; }

.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 9px; color: var(--text-gray); font-size: 13px; }
.footer-col ul li a { color: var(--text-gray); text-decoration: none; transition: all 0.3s; }
.footer-col ul li a:hover { color: var(--green); padding-left: 5px; }

.footer-bottom {
    max-width: 1400px; margin: 0 auto;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center; color: var(--text-gray); font-size: 12px;
}

/* MODAL */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding: 60px 20px;
    overflow-y: auto;
}

.modal-overlay.active { display: flex; animation: fadeIn 0.3s ease; }

.modal {
    display: none;
    background: linear-gradient(145deg, #0f1620, #0a0e14);
    border: 1px solid var(--green);
    border-radius: 16px;
    padding: 40px 45px;
    max-width: 820px;
    width: 100%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 255, 65, 0.15);
    animation: modalIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal.active { display: block; }

.modal-close {
    position: absolute;
    top: 16px; right: 20px;
    width: 36px; height: 36px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--green);
    border-radius: 50%;
    color: var(--green);
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex; align-items: center; justify-content: center;
    line-height: 1;
}

.modal-close:hover { background: var(--green); color: #000; transform: rotate(90deg); }

.modal-tag {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--green);
    border-radius: 15px;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px; letter-spacing: 1.5px;
    font-weight: 600; margin-bottom: 18px;
}

.modal h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px; color: var(--white);
    margin-bottom: 8px; letter-spacing: 1px;
}

.modal h3 { color: var(--green); font-size: 15px; margin-bottom: 25px; font-weight: 500; }

.modal-body h4 {
    font-family: 'Orbitron', sans-serif;
    color: var(--green);
    font-size: 13px;
    letter-spacing: 1.5px;
    margin-top: 22px;
    margin-bottom: 10px;
}

.modal-body h4:first-child { margin-top: 0; }

.modal-body p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.modal-body strong { color: var(--green); font-weight: 600; }

.modal-body ul { list-style: none; padding-left: 0; }

.modal-body ul li {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
    padding-left: 22px;
    position: relative;
    margin-bottom: 8px;
}

.modal-body ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--green);
}

.modal-tech {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 255, 65, 0.15);
}

.modal-tech span {
    padding: 6px 12px;
    background: rgba(0, 255, 65, 0.08);
    border: 1px solid var(--green);
    border-radius: 15px;
    color: var(--green);
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
}

body.modal-open { overflow: hidden; }

/* Animations */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(-30px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes fadeInLeft { from { opacity: 0; transform: translateX(-30px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeInRight { from { opacity: 0; transform: translateX(30px); } to { opacity: 1; transform: translateX(0); } }

/* Responsive */
@media (max-width: 1100px) {
    .hero-container { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin: 0 auto 32px; }
    .hero-buttons, .hero-stats { justify-content: center; }
    .hero-badge { margin: 0 auto 22px; }
    .hero-image { margin-top: 20px; }
    .image-wrapper { max-width: 480px; }
    .skills-grid, .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .about-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 40px; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-container { padding: 15px 20px; }
    .hero { padding: 100px 20px 60px; }
    .hero-title { font-size: 30px; }
    .hero-buttons { flex-direction: column; }
    .btn { width: 100%; }
    .hero-stats { gap: 25px; }
    .stat h3 { font-size: 24px; }
    .section-title { font-size: 28px; }
    .cta-title { font-size: 26px; }
    .skills-grid, .projects-grid, .cert-grid { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr; gap: 30px; }
    .contact-grid { grid-template-columns: 1fr; }
    .core-strengths { grid-template-columns: 1fr; }
    .about, .skills, .experience, .projects, .certifications, .cta { padding: 60px 20px; }
    .timeline::before { left: 20px; }
    .timeline-item { padding-left: 55px; }
    .timeline-item::before { left: 13px; }
    .timeline-date { position: static; text-align: left; width: auto; margin-bottom: 8px; }
    .modal { padding: 30px 22px; }
    .modal h2 { font-size: 22px; }
    .modal-overlay { padding: 20px 12px; }
}

/* Mobile Hamburger Menu */
.burger {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 4px; z-index: 101;
}
.burger span { width: 22px; height: 2px; background: var(--green-dark); display: block; transition: 0.3s; }
.burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
    .burger { display: flex; }
    .nav-btn { display: none; }
    .nav-links {
        display: none; flex-direction: column;
        position: absolute; top: 100%; left: 0; width: 100%;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        padding: 20px 40px; gap: 8px;
        border-bottom: 1px solid rgba(0, 255, 65, 0.15);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    }
    .nav-links.open { display: flex; }
    .nav-links a { padding: 10px 0; font-size: 14px; }
}