/* ============================================
   RESET & VARIABLES
============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #3b5998;
    --primary-hover: #2d4373;
    --primary-light: rgba(59, 89, 152, 0.1);
    --background: #ffffff;
    --section-muted: #edf2f8;
    --foreground: #111827;
    --card: #ffffff;
    --card-foreground: #111827;
    --muted: #f3f4f6;
    --muted-foreground: #6b7280;
    --secondary: #f3f4f6;
    --secondary-foreground: #1f2937;
    --border: #e5e7eb;
    --ring: #3b5998;
    --radius: 0.5rem;
}

html {
    scroll-behavior: smooth;
    font-size: 18px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
}

/* ============================================
   UTILITIES
============================================ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

/* ============================================
   ICONS
============================================ */
.icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-lg {
    width: 24px;
    height: 24px;
}

.icon-xl {
    width: 28px;
    height: 28px;
}

/* ============================================
   HEADER
============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #111827;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    text-decoration: none;
}

.logo-details {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1rem;
}

.logo-text {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1rem;
    color: white;
}

.logo-subtitle {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.7);
}

.nav-desktop {
    display: none;
    align-items: center;
    flex: 1 1 auto;
    justify-content: center;
    gap: 0.7rem;
    min-width: 0;
}

@media (min-width: 1200px) {
    .nav-desktop {
        display: flex;
    }
}

.nav-desktop a {
    padding: 0.4rem 0.1rem;
    color: #fff;
    text-decoration: none;
    font-size: 0.72rem;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.2s;
}

.nav-desktop a:hover {
    color: #93c5fd;
}

.header-contact {
    display: none;
    align-items: center;
    gap: 0.7rem;
    flex-shrink: 0;
}

.header-contact a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.68rem;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s;
}

.header-contact a:hover {
    color: #93c5fd;
}

@media (min-width: 1200px) {
    .header-contact {
        display: flex;
    }
}

.menu-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
}

@media (min-width: 1200px) {
    .menu-btn {
        display: none;
    }
}

.menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: white;
    transition: 0.3s;
}

.mobile-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border);
    padding: 0.9rem 1rem 1rem;
    box-shadow: 0 12px 24px rgba(17, 24, 39, 0.12);
    flex-direction: column;
    gap: 0.25rem;
}

@media (min-width: 1200px) {
    .mobile-nav {
        display: none;
    }
}

.mobile-nav.active {
    display: flex;
}

.mobile-nav a {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--foreground);
    text-align: center;
    text-decoration: none;
    border-radius: var(--radius);
    transition: background 0.2s;
}

.mobile-nav .mobile-nav-contact {
    color: var(--muted-foreground);
    font-size: 0.85rem;
}

.mobile-nav a[href^="tel:"] {
    margin-top: 0.5rem;
    border-top: 1px solid var(--border);
    border-radius: 0;
}

.mobile-nav a:hover {
    background: var(--muted);
}

/* ============================================
   HERO SECTION
============================================ */
.hero {
    overflow-x: clip;
    padding-top: 6rem;
    padding-bottom: 3rem;
    background: var(--background);
}

@media (min-width: 768px) {
    .hero {
        padding-top: 7rem;
        padding-bottom: 4rem;
    }
}

.hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.hero-text {
    order: 2;
}

@media (min-width: 768px) {
    .hero-text {
        order: 1;
    }
}

.hero-subtitle {
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 1rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.hero-description strong {
    color: var(--foreground);
    font-weight: 500;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.badge {
    display: inline-flex;
    align-items: center;

    margin-top: 1.5rem;
    padding: 0.375rem 0.875rem;

    font-style: normal;
    font-size: 1.125rem;
    color: black;

    border-left: 4px solid var(--primary);
    background: var(--primary-light);

    border-radius: var(--radius);
    font-weight: 500;

    line-height: 1.6;
    position: relative;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.social-links a {
    color: var(--muted-foreground);
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--primary);
}

.hero-image {
    order: 1;
    display: flex;
    justify-content: center;
}

@media (min-width: 768px) {
    .hero-image {
        order: 2;
        transform: none;
    }
}

.profile-wrapper {
    position: relative;
}

.profile-glow {
    position: absolute;
    inset: 0;
    background: var(--primary-light);
    border-radius: 50%;
    filter: blur(48px);
    transform: scale(1.1);
}

.profile-container {
    position: relative;
    width: 256px;
    height: 256px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--card);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

@media (min-width: 768px) {
    .profile-container {
        width: 320px;
        height: 320px;
    }
}

@media (min-width: 1024px) {
    .profile-container {
        width: 384px;
        height: 384px;
    }
}

.profile-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right center;
}

.profile-quote {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    font-style: italic;
    font-size: 1.125rem;
    color: var(--muted-foreground);
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    border-radius: var(--radius);
    line-height: 1.6;
    position: relative;
}

/* ============================================
   BUTTONS
============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius);
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-outline {
    background: transparent;
    color: var(--foreground);
    border-color: var(--border);
}

.btn-outline:hover {
    background: var(--muted);
    border-color: var(--foreground);
}

.btn-ghost {
    background: transparent;
    color: var(--muted-foreground);
}

.btn-ghost:hover {
    background: var(--muted);
    color: var(--foreground);
}

/* ============================================
   SECTIONS COMMON
============================================ */
.section {
    padding: 3rem 0;
}

@media (min-width: 768px) {
    .section {
        padding: 4rem 0;
    }
}

.section-muted {
    background: var(--section-muted);
}

.section:not(.section-muted):not(.contact) {
    background: var(--background);
}

.section-header {
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

.section-description {
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto;
}

/* ============================================
   CARDS
============================================ */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.card-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
}

.card-title-icon {
    padding: 0.5rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    color: var(--primary);
}

.card-content {
    padding: 1.5rem;
}

/* ============================================
   ABOUT SECTION
============================================ */
.about-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.timeline-item {
    position: relative;
    padding-left: 1.5rem;
    border-left: 2px solid var(--border);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
}

.timeline-title {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.timeline-subtitle {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.timeline-company {
    font-size: 0.875rem;
    color: var(--primary);
}

.timeline-date {
    font-size: 0.75rem;
    color: var(--primary);
    margin-top: 0.25rem;
}

.timeline-description {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-top: 0.5rem;
}

/* ============================================
   PROJECTS SECTION
============================================ */
.projects-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .projects-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 768px) and (max-width: 1099px) {
    .project-card:nth-child(3) {
        grid-column: 1 / -1;
        width: calc(50% - 0.625rem);
        justify-self: center;
    }
}

@media (min-width: 1100px) {
    .projects-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.project-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.project-card:nth-child(n + 4) {
    display: none;
}

.project-card:hover {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.project-image {
    height: 240px;
    background: linear-gradient(135deg, var(--primary-light), rgba(59, 89, 152, 0.2));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-image-featured {
    height: 300px;
    background: var(--card);
}

.project-image-featured img {
    object-fit: cover;
    object-position: center;
}

.project-image-gamelib {
    background: #111827;
}

.project-image-gamelib img {
    object-fit: contain;
}

.project-carousel {
    height: 300px;
    background: #111827;
}

.project-carousel .project-slide {
    position: absolute;
    inset: 0;
    object-fit: contain;
    background: #111827;
}

.project-carousel .project-slide[hidden] {
    display: none;
}

.carousel-control {
    position: absolute;
    top: 50%;
    z-index: 1;
    display: grid;
    width: 2.5rem;
    height: 2.5rem;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.65);
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    transform: translateY(-50%);
}

.carousel-control:hover {
    background: rgba(0, 0, 0, 0.85);
}

.carousel-previous {
    left: 0.75rem;
}

.carousel-next {
    right: 0.75rem;
}

.carousel-counter {
    position: absolute;
    right: 0.75rem;
    bottom: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    background: rgba(0, 0, 0, 0.65);
    color: white;
    font-size: 0.75rem;
}

.carousel-control:focus-visible {
    outline: 2px solid white;
    outline-offset: 2px;
}

.project-number {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    font-weight: 700;
    color: rgba(59, 89, 152, 0.2);
}

.project-content {
    padding: 1.5rem;
}

.project-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
    transition: color 0.2s;
}

.project-card:hover .project-title {
    color: var(--primary);
}

.project-description {
    max-width: 90%;
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tag {
    padding: 0.25rem 0.5rem;
    background: var(--secondary);
    color: var(--secondary-foreground);
    font-size: 0.75rem;
    border-radius: var(--radius);
}

.project-buttons {
    display: flex;
    gap: 0.75rem;
}

.project-card:nth-child(2) .project-buttons,
.project-card:nth-child(3) .project-buttons {
    display: none;
}

/* ============================================
   TECHNOLOGIES SECTION
============================================ */
.tech-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .tech-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.tech-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    padding: 1.5rem;
    transition: box-shadow 0.2s;
}

.tech-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.tech-icon {
    padding: 0.5rem;
    background: var(--primary-light);
    border-radius: var(--radius);
    color: var(--primary);
}

.tech-title {
    font-weight: 600;
    color: var(--foreground);
}

.tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tech-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    padding: 0.35rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    font-size: 1.9rem;
    line-height: 1;
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: default;
}

.tech-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.12);
}

.tech-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border-radius: 0.45rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.tech-mark-api {
    color: #1769aa;
}

.tech-mark-powerbi,
.tech-mark-dax {
    color: #e6a700;
    background: #fff7d6;
}

.tech-mark-sql {
    color: #cc2927;
    background: #fff0ef;
}

.tech-mark-etl,
.tech-mark-pentaho {
    color: #1769aa;
    background: #eaf4fb;
}

.tech-mark-excel {
    color: #217346;
    background: #e9f5ee;
    font-size: 1.25rem;
}

.tech-mark-scada,
.tech-mark-plc,
.tech-mark-hmi,
.tech-mark-automation {
    color: #3b5998;
    background: #edf1f8;
}

/* ============================================
   COURSES SECTION
============================================ */
.courses-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .courses-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1100px) {
    .courses-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.course-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    padding-bottom: 1.25rem;
    text-align: center;
    transition: box-shadow 0.2s, transform 0.2s;
}

.course-image {
    display: block;
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--muted);
}

.course-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.course-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-light);
    border-radius: calc(var(--radius) * 2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 1.25rem auto 1rem;
    color: var(--primary);
}

.course-title {
    font-weight: 600;
    color: var(--foreground);
    margin: 0 1.25rem 0.25rem;
    font-size: 0.95rem;
}

.course-institution {
    margin: 0 1.25rem 0.25rem;
    font-size: 0.8rem;
    color: var(--muted-foreground);
}

.course-date,
.course-duration {
    margin: 0 1.25rem;
    font-size: 0.75rem;
    color: var(--primary);
}

.course-media {
    display: block;
    margin-top: 1rem;
}

.course-document {
    margin: auto 1.25rem 0;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.2s, border-color 0.2s;
}

.course-document:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

/* ============================================
   SKILLS SECTION
============================================ */
.skills-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.skill-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.2s;
}

.skill-card:hover {
    background: var(--primary-light);
    border-color: var(--primary);
}

.skill-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: var(--primary);
}

.skill-title {
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.skill-description {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

/* ============================================
   CONTACT SECTION
============================================ */
.contact {
    background: var(--foreground);
    color: white;
}

.contact .section-title {
    color: white;
}

.contact .section-description {
    color: rgba(255, 255, 255, 0.7);
}

.contact-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.contact-form-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: calc(var(--radius) * 2);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: white;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-honeypot {
    position: absolute;
    left: -5000px;
}

.form-status {
    margin-top: 1rem;
    font-size: 0.875rem;
}

.form-status:empty {
    display: none;
}

.form-status.is-success {
    color: #bbf7d0;
}

.form-status.is-error {
    color: #fecaca;
}

.form-privacy-note {
    margin-top: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.75rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.contact-item-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: calc(var(--radius) * 1.5);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-item-content p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.contact-item-content a {
    color: rgba(219, 234, 254, 1);
    text-decoration: none;
}

.contact-item-content a:hover {
    text-decoration: underline;
}

.contact-social-title {
    margin-bottom: 1rem;
}

.contact-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-social a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.2s;
}

.contact-social a:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* ============================================
   FOOTER
============================================ */
.footer {
    background: var(--foreground);
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.2s;
}

.footer-social a:hover {
    color: white;
}

.footer-phone {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-phone:hover {
    color: white;
}

/* ============================================
   WHATSAPP BUTTON
============================================ */
.whatsapp-btn {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 999;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

/* ============================================
   ANIMATIONS
============================================ */
.project-card,
.tech-card,
.course-card,
.skill-card,
.card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.project-card.animate-in,
.tech-card.animate-in,
.course-card.animate-in,
.skill-card.animate-in,
.card.animate-in {
    opacity: 1;
    transform: translateY(0);
}