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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #cbd5e1;
    background: linear-gradient(to bottom right, #020617, #0f172a, #020617);
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 500;
    line-height: 1.5;
    color: #ffffff;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.25rem;
}

p {
    font-size: 1rem;
    line-height: 1.5;
}

/* Utility Classes */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.mb-6 {
    margin-bottom: 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    background: none;
}

.btn-primary {
    background: #0891b2;
    color: white;
}

.btn-primary:hover {
    background: #0e7490;
}

.btn-outline {
    border: 1px solid #475569;
    color: white;
}

.btn-outline:hover {
    background: #1e293b;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* Header */
#header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #1e293b;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-size: 1.125rem;
    font-weight: 500;
}

.icon-logo {
    width: 2rem;
    height: 2rem;
    color: #22d3ee;
}

.nav-desktop {
    display: none;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: #cbd5e1;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.3s;
    font-size: 1rem;
    padding: 0.5rem;
}

.nav-link:hover {
    color: #22d3ee;
}

.mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn svg {
    width: 1.5rem;
    height: 1.5rem;
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem 0;
}

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

/* Hero Section */
.hero {
    padding: 8rem 1rem 5rem;
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 56rem;
    margin: 0 auto;
}

.hero-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-icon-box {
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid;
}

.hero-icon-box.cyan {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.2);
}

.hero-icon-box.cyan svg {
    color: #22d3ee;
}

.hero-icon-box.blue {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.hero-icon-box.blue svg {
    color: #60a5fa;
}

.hero-icon-box.purple {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.2);
}

.hero-icon-box.purple svg {
    color: #c084fc;
}

.hero-icon-box svg {
    width: 2rem;
    height: 2rem;
}

.hero-title {
    margin-bottom: 1rem;
}

.hero-title span {
    display: block;
}

.title-accent {
    color: #22d3ee;
}

.hero-description {
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 42rem;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    width: 100%;
}

.stat-card {
    padding: 1.5rem;
    background: rgba(30, 41, 59, 0.5);
    border-radius: 0.5rem;
    border: 1px solid #334155;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: #22d3ee;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #cbd5e1;
}

/* Section Styles */
section {
    padding: 5rem 1rem;
}

.about {
    background: rgba(15, 23, 42, 0.5);
}

.experience {
    background: rgba(15, 23, 42, 0.5);
}

.certifications {
    background: rgba(15, 23, 42, 0.5);
}

.section-title {
    text-align: center;
    color: white;
    margin-bottom: 1rem;
}

.section-divider {
    width: 5rem;
    height: 0.25rem;
    background: #0891b2;
    margin: 0 auto 3rem;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    align-items: center;
    max-width: 72rem;
    margin: 0 auto;
}

.about-text {
    color: #cbd5e1;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.feature-card {
    padding: 1.5rem;
    background: #1e293b;
    border-radius: 0.5rem;
    border: 1px solid #334155;
}

.feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 0.75rem;
}

.feature-icon.cyan { color: #22d3ee; }
.feature-icon.blue { color: #60a5fa; }
.feature-icon.purple { color: #c084fc; }
.feature-icon.green { color: #4ade80; }

.feature-card h3 {
    margin-bottom: 0.5rem;
}

.feature-card p {
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Skills Section */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 80rem;
    margin: 0 auto;
}

.skill-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 0.5rem;
    padding: 1.5rem;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.skill-icon-box {
    padding: 0.5rem;
    border-radius: 0.5rem;
    border: 1px solid;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon-box svg {
    width: 1.5rem;
    height: 1.5rem;
}

.skill-icon-box.cyan {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.2);
}

.skill-icon-box.cyan svg { color: #22d3ee; }

.skill-icon-box.red {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.2);
}

.skill-icon-box.red svg { color: #f87171; }

.skill-icon-box.purple {
    background: rgba(168, 85, 247, 0.1);
    border-color: rgba(168, 85, 247, 0.2);
}

.skill-icon-box.purple svg { color: #c084fc; }

.skill-icon-box.orange {
    background: rgba(249, 115, 22, 0.1);
    border-color: rgba(249, 115, 22, 0.2);
}

.skill-icon-box.orange svg { color: #fb923c; }

.skill-icon-box.blue {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

.skill-icon-box.blue svg { color: #60a5fa; }

.skill-icon-box.green {
    background: rgba(34, 197, 94, 0.1);
    border-color: rgba(34, 197, 94, 0.2);
}

.skill-icon-box.green svg { color: #4ade80; }

.skill-icon-box.yellow {
    background: rgba(234, 179, 8, 0.1);
    border-color: rgba(234, 179, 8, 0.2);
}

.skill-icon-box.yellow svg { color: #facc15; }

.skill-icon-box.indigo {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.2);
}

.skill-icon-box.indigo svg { color: #a5b4fc; }

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.375rem 0.75rem;
    background: #334155;
    color: #e2e8f0;
    border-radius: 0.375rem;
    font-size: 0.875rem;
}

/* Experience Section */
.experience-list {
    max-width: 72rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.experience-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: border-color 0.3s;
}

.experience-card:hover {
    border-color: rgba(6, 182, 212, 0.5);
}

.experience-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.experience-info h3 {
    margin-bottom: 0.5rem;
}

.company-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #22d3ee;
    margin-bottom: 0.25rem;
}

.company-info svg {
    width: 1rem;
    height: 1rem;
}

.location {
    color: #94a3b8;
}

.period-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(51, 65, 85, 0.5);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    color: #cbd5e1;
    width: fit-content;
}

.period-badge svg {
    width: 1rem;
    height: 1rem;
}

.experience-content .description {
    color: #cbd5e1;
    margin-bottom: 1rem;
}

.achievements {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.achievements li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: #cbd5e1;
}

.bullet {
    color: #22d3ee;
    margin-top: 0.25rem;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 80rem;
    margin: 0 auto;
}

.project-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: all 0.3s;
}

.project-card:hover {
    border-color: rgba(6, 182, 212, 0.5);
    transform: scale(1.05);
}

.project-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.project-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.project-icon.red {
    background: rgba(239, 68, 68, 0.1);
}

.project-icon.red svg { color: #f87171; }

.project-icon.cyan {
    background: rgba(6, 182, 212, 0.1);
}

.project-icon.cyan svg { color: #22d3ee; }

.project-icon.purple {
    background: rgba(168, 85, 247, 0.1);
}

.project-icon.purple svg { color: #c084fc; }

.project-icon.blue {
    background: rgba(59, 130, 246, 0.1);
}

.project-icon.blue svg { color: #60a5fa; }

.project-icon.green {
    background: rgba(34, 197, 94, 0.1);
}

.project-icon.green svg { color: #4ade80; }

.project-icon.yellow {
    background: rgba(234, 179, 8, 0.1);
}

.project-icon.yellow svg { color: #facc15; }

.project-card h3 {
    margin-bottom: 1rem;
}

.project-description {
    color: #cbd5e1;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.project-tech {
    margin-bottom: 1rem;
}

.tech-label, .results-label {
    color: #94a3b8;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tag {
    padding: 0.25rem 0.625rem;
    border: 1px solid #475569;
    color: #cbd5e1;
    border-radius: 0.375rem;
    font-size: 0.8125rem;
}

.project-results ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.project-results li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    color: #cbd5e1;
    font-size: 0.9375rem;
}

.check {
    color: #22d3ee;
    font-size: 0.75rem;
    margin-top: 0.125rem;
}

/* Certifications Section */
.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
    max-width: 72rem;
    margin: 0 auto 3rem;
}

.cert-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 0.5rem;
    padding: 1.5rem;
    transition: border-color 0.3s;
}

.cert-card:hover {
    border-color: rgba(6, 182, 212, 0.3);
}

.cert-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.cert-icon {
    width: 1.5rem;
    height: 1.5rem;
    margin-top: 0.25rem;
}

.cert-icon.cyan { color: #22d3ee; }
.cert-icon.red { color: #f87171; }
.cert-icon.green { color: #4ade80; }
.cert-icon.purple { color: #c084fc; }
.cert-icon.orange { color: #fb923c; }
.cert-icon.blue { color: #60a5fa; }
.cert-icon.yellow { color: #facc15; }

.cert-info {
    flex: 1;
}

.cert-info h3 {
    margin-bottom: 0.25rem;
    font-size: 1rem;
}

.cert-issuer {
    color: #94a3b8;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.cert-badges {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cert-year {
    padding: 0.25rem 0.5rem;
    background: #334155;
    color: #cbd5e1;
    border-radius: 0.375rem;
    font-size: 0.75rem;
}

.cert-level {
    padding: 0.25rem 0.5rem;
    border: 1px solid #475569;
    border-radius: 0.375rem;
    font-size: 0.75rem;
}

.cert-level.cyan {
    border-color: #475569;
    color: #22d3ee;
}

.cert-level.red {
    border-color: #475569;
    color: #f87171;
}

.cert-level.green {
    border-color: #475569;
    color: #4ade80;
}

.cert-level.purple {
    border-color: #475569;
    color: #c084fc;
}

.cert-level.orange {
    border-color: #475569;
    color: #fb923c;
}

.cert-level.blue {
    border-color: #475569;
    color: #60a5fa;
}

.cert-level.yellow {
    border-color: #475569;
    color: #facc15;
}

.cert-check {
    width: 1.25rem;
    height: 1.25rem;
    color: #4ade80;
    margin-top: 0.25rem;
}

.formation-box {
    padding: 1.5rem;
    background: rgba(6, 182, 212, 0.1);
    border: 1px solid rgba(6, 182, 212, 0.2);
    border-radius: 0.5rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    max-width: 72rem;
    margin: 0 auto;
}

.formation-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: #22d3ee;
    margin-top: 0.25rem;
}

.formation-box h3 {
    margin-bottom: 0.5rem;
}

.formation-box p {
    color: #cbd5e1;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 72rem;
    margin: 0 auto;
}

.contact-info h3 {
    margin-bottom: 1.5rem;
}

.contact-intro {
    color: #cbd5e1;
    margin-bottom: 2rem;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 0.5rem;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.info-icon-box {
    padding: 0.5rem;
    background: rgba(6, 182, 212, 0.1);
    border-radius: 0.5rem;
}

.info-icon-box svg {
    width: 1.25rem;
    height: 1.25rem;
    color: #22d3ee;
}

.info-label {
    color: #94a3b8;
    font-size: 0.875rem;
}

.info-link {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.info-link:hover {
    color: #22d3ee;
}

.info-text {
    color: white;
}

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

.social-link {
    padding: 0.75rem;
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 0.5rem;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-link:hover {
    background: #0891b2;
    border-color: #0891b2;
}

.social-link svg {
    width: 1.5rem;
    height: 1.5rem;
    color: white;
}

.contact-form-wrapper {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 0.5rem;
    padding: 1.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    color: #cbd5e1;
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    background: #0f172a;
    border: 1px solid #475569;
    border-radius: 0.5rem;
    color: white;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0891b2;
}

.form-group textarea {
    resize: vertical;
}

/* Footer */
.footer {
    background: #020617;
    border-top: 1px solid #1e293b;
    padding: 2rem 1rem;
}

.footer p {
    text-align: center;
    color: #94a3b8;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #0891b2;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    transform: translateY(200%);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 2000;
    max-width: 400px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

/* Responsive Design */
@media (min-width: 768px) {
    .nav-desktop {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    h1 {
        font-size: 3.5rem;
    }

    h2 {
        font-size: 2.5rem;
    }

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

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

    .experience-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

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

@media (max-width: 767px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .hero {
        padding: 6rem 1rem 3rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

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

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