/* ============================================
   SECTION-SPECIFIC STYLES
   ============================================ */

/* ===== LOADING SCREEN ===== */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    text-align: center;
}

.loader-text {
    margin-top: var(--space-4);
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background: var(--color-glass-bg);
    backdrop-filter: blur(var(--blur-xl));
    border-bottom: 1px solid var(--color-glass-border);
    transition: transform var(--transition-base), background var(--transition-base);
}

.navbar.hidden {
    transform: translateY(-100%);
}

.navbar-container {
    max-width: var(--container-2xl);
    margin: 0 auto;
    padding: var(--space-4) var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    font-family: var(--font-heading);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.navbar-link {
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
}

.navbar-link:hover {
    color: var(--color-primary);
    background: var(--color-glass-bg);
}

.navbar-link.active {
    color: var(--color-primary);
}

.navbar-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: var(--space-2);
    cursor: pointer;
}

.navbar-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

/* ===== HERO SECTION ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.hero-greeting {
    font-size: var(--font-size-xl);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-4);
    font-weight: var(--font-weight-medium);
}

.hero-name {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-4);
    line-height: 1.1;
}

.hero-tagline {
    font-size: var(--font-size-3xl);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    font-weight: var(--font-weight-semibold);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-tertiary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-10);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== ABOUT SECTION ===== */
.about-section {
    background: rgba(26, 31, 58, 0.3);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--space-6);
}

.about-text p {
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

.about-skills {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
}

/* ===== EXPERIENCE SECTION ===== */
.experience-section {
    background: transparent;
}

.experience-list {
    max-width: 900px;
    margin: 0 auto;
}

.experience-card {
    margin-bottom: var(--space-8);
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-4);
}

.experience-title h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
}

.experience-company {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.experience-meta {
    text-align: right;
}

.experience-duration {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

.experience-location {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.experience-description {
    margin-bottom: var(--space-4);
}

.experience-achievements {
    list-style: disc;
    padding-left: var(--space-6);
    margin-bottom: var(--space-4);
}

.experience-achievements li {
    margin-bottom: var(--space-2);
    color: var(--color-text-secondary);
}

.experience-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* ===== PROJECTS SECTION ===== */
.projects-section {
    background: rgba(26, 31, 58, 0.3);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-8);
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background: transparent;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.service-card {
    text-align: center;
}

.service-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-3xl);
}

.service-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-4);
}

.service-description {
    margin-bottom: var(--space-6);
}

.service-features {
    list-style: none;
    text-align: left;
}

.service-features li {
    padding: var(--space-2) 0;
    color: var(--color-text-tertiary);
    position: relative;
    padding-left: var(--space-6);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials-section {
    background: rgba(26, 31, 58, 0.3);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.testimonial-card {
    text-align: center;
}

.testimonial-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--space-4);
    border: 3px solid var(--color-primary);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

.testimonial-author {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
}

.testimonial-position {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

/* ===== ACHIEVEMENTS SECTION ===== */
.achievements-section {
    background: transparent;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.achievement-card {
    text-align: center;
    padding: var(--space-6);
}

.achievement-icon {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-4);
}

.achievement-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-2);
}

.achievement-issuer {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}

.achievement-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ===== CONTACT SECTION ===== */
.contact-section {
    background: rgba(26, 31, 58, 0.3);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-form {
    margin-top: var(--space-12);
    text-align: left;
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-12);
}

/* ===== FOOTER ===== */
.footer {
    padding: var(--space-12) 0;
    text-align: center;
    border-top: 1px solid var(--color-glass-border);
    background: var(--color-bg-primary);
}

.footer-content {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg-secondary);
        backdrop-filter: blur(var(--blur-xl));
        border-bottom: 1px solid var(--color-glass-border);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .navbar-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .navbar-toggle {
        display: flex;
    }

    .hero-name {
        font-size: var(--font-size-4xl);
    }

    .hero-tagline {
        font-size: var(--font-size-2xl);
    }

    .hero-buttons {
        flex-direction: column;
    }

    .experience-header {
        flex-direction: column;
    }

    .experience-meta {
        text-align: left;
    }

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