/* ============================================
   RESET & BASE
============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg: #1C1C1C;
    --bg-card: #242424;
    --bg-card-hover: #2a2a2a;
    --accent: #d2e874;
    --accent-dim: #b8d15e;
    --text: #f0f8ff;
    --text-muted: #9aa0a6;
    --radius: 1rem;
    --radius-sm: 0.5rem;
    --transition: 0.3s ease;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
    --font: "Montserrat", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

img {
    display: block;
    max-width: 100%;
}

/* ============================================
   NAVBAR
============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(28, 28, 28, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(210, 232, 116, 0.1);
    transition: box-shadow var(--transition);
}

.navbar.scrolled {
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
    display: none;
    list-style: none;
    flex-direction: column;
    padding: 1rem 2rem 1.5rem;
    gap: 1rem;
    background: rgba(28, 28, 28, 0.97);
    border-top: 1px solid rgba(210, 232, 116, 0.1);
}

.mobile-menu.open {
    display: flex;
}

.mobile-menu a {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: color var(--transition);
}

.mobile-menu a:hover {
    color: var(--accent);
}

/* ============================================
   ACCENT & UTILITIES
============================================ */
.accent { color: var(--accent); }
.accent-text { color: var(--accent); }

/* ============================================
   HERO SECTION
============================================ */
#hero {
    min-height: 100vh;
    padding-top: 64px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    min-height: calc(100vh - 64px);
}

.hero-text {
    flex: 1;
    max-width: 560px;
}

.hero-greeting {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.hero-text h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    letter-spacing: -1px;
    color: var(--text);
}

.hero-sub {
    font-size: 1rem;
    color: var(--text-muted);
    max-width: 440px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1.5px solid rgba(240, 248, 255, 0.15);
    font-size: 1.1rem;
    color: var(--text-muted);
    transition: all var(--transition);
}

.social-links a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(210, 232, 116, 0.08);
    transform: translateY(-3px);
    text-decoration: none;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: var(--accent);
    color: #1C1C1C;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.75rem 1.75rem;
    border-radius: 3rem;
    transition: all var(--transition);
    letter-spacing: 0.3px;
}

.btn-cta:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(210, 232, 116, 0.25);
    text-decoration: none;
    color: #1C1C1C;
}

/* Hero Images */
.hero-images {
    flex: 1;
    max-width: 500px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
}

.hero-images img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.img-secondary {
    margin-top: 2.5rem;
}

/* ============================================
   PROJECTS SECTION
============================================ */
#projects {
    padding: 6rem 2rem;
}

.container-projetos {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

/*.section-tag {
    display: inline-block;
    background: rgba(210, 232, 116, 0.1);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0.35rem 1rem;
    border-radius: 3rem;
    border: 1px solid rgba(210, 232, 116, 0.2);
    margin-bottom: 1rem;
}*/

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

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

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.75rem;
}

/* Project Card */
.project-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    cursor: default;
}

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
    border-color: rgba(210, 232, 116, 0.2);
}

/* Card Image */
.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: #2d2d2d;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.05);
}

/* Placeholder when no image */
.card-image--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2a2a2a, #333);
}

.placeholder-icon {
    font-size: 3rem;
    color: rgba(210, 232, 116, 0.3);
    z-index: 1;
}

/* Card Overlay */
.card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(28, 28, 28, 0.82);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.project-card:hover .card-overlay {
    opacity: 1;
}

.overlay-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent);
    color: #1C1C1C;
    font-weight: 700;
    font-size: 0.85rem;
    padding: 0.6rem 1.4rem;
    border-radius: 3rem;
    transition: background var(--transition), transform var(--transition);
}

.overlay-btn:hover {
    background: var(--accent-dim);
    transform: scale(1.05);
    text-decoration: none;
    color: #1C1C1C;
}

/* Card Body */
.card-body {
    padding: 1.5rem;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.85rem;
}

.tag {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    background: rgba(210, 232, 116, 0.1);
    border: 1px solid rgba(210, 232, 116, 0.2);
    padding: 0.2rem 0.65rem;
    border-radius: 3rem;
}

.card-body h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    line-height: 1.3;
    color: var(--text);
}

.card-body p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.card-body p a {
    color: var(--accent);
}

.card-body p a:hover {
    text-decoration: underline;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap var(--transition), color var(--transition);
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.card-link:hover {
    gap: 0.7rem;
    color: var(--accent-dim);
    text-decoration: none;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.card-link--live {
    color: var(--text-muted);
    border-bottom: 1px solid rgba(154,160,166,0.3);
    padding-bottom: 1px;
}

.card-link--live:hover {
    color: var(--accent);
    border-color: var(--accent);
    text-decoration: none;
}

.card-link--live {
    color: var(--text-muted);
    font-size: 0.82rem;
}

.card-link--live:hover {
    color: var(--accent);
    gap: 0.6rem;
}



/* ============================================
   SOBRE MIM
============================================ */
#about {
    padding: 6rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.about-text p {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.skills-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.skills-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.skill-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: rgba(210, 232, 116, 0.07);
    border: 1px solid rgba(210, 232, 116, 0.18);
    color: var(--text);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.45rem 1rem;
    border-radius: 3rem;
    transition: background var(--transition), transform var(--transition);
}

.skill-badge:hover {
    background: rgba(210, 232, 116, 0.14);
    transform: translateY(-2px);
}

@media (max-width: 700px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    #about {
        padding: 4rem 1.25rem;
    }
}

/* ============================================
   FORMAÇÃO & CERTIFICAÇÕES
============================================ */
#education {
    padding: 6rem 2rem;
    border-top: 1px solid rgba(255,255,255,0.06);
}

.education-container {
    max-width: 1200px;
    margin: 0 auto;
}

.education-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.edu-column-title {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--accent);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.edu-item {
    display: flex;
    gap: 1.25rem;
    padding-bottom: 2rem;
    position: relative;
}

.edu-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 7px;
    top: 16px;
    bottom: 0;
    width: 1px;
    background: rgba(210, 232, 116, 0.15);
}

.edu-dot {
    width: 15px;
    height: 15px;
    min-width: 15px;
    border-radius: 50%;
    background: var(--accent);
    margin-top: 4px;
    position: relative;
    z-index: 1;
}

.edu-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.edu-period {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
}

.edu-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}

.edu-institution {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.edu-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 0.2rem;
}

.edu-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    margin-top: 0.35rem;
    transition: gap var(--transition);
}

.edu-link:hover {
    gap: 0.55rem;
    text-decoration: none;
}

@media (max-width: 700px) {
    .education-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    #education {
        padding: 4rem 1.25rem;
    }
}

/* ============================================
   FOOTER
============================================ */
footer {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 5rem 2rem;
}

.footer-inner {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.footer-inner h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.footer-inner > p {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    font-size: 0.95rem;
}

.footer-social {
    justify-content: center;
    margin-bottom: 2.5rem;
}

.footer-copy {
    font-size: 0.8rem;
    color: rgba(154, 160, 166, 0.6);
}

/* ============================================
   SCROLL REVEAL ANIMATIONS
============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay {
    transition-delay: 0.15s;
}

.project-card.reveal {
    transition-delay: calc(var(--i, 0) * 0.1s);
}

/* ============================================
   RESPONSIVE — TABLET (max 900px)
============================================ */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column;
        padding: 4rem 2rem 3rem;
        gap: 3rem;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-sub {
        max-width: 100%;
    }

    .social-links {
        justify-content: center;
    }

    .hero-images {
        max-width: 420px;
        width: 100%;
    }

    .hero-images img {
        height: 260px;
    }

    .projects-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
}

/* ============================================
   RESPONSIVE — MOBILE (max 600px)
============================================ */
@media (max-width: 600px) {
    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-container {
        padding: 3rem 1.25rem 2.5rem;
    }

    .hero-text h1 {
        font-size: 2rem;
    }

    .hero-images {
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
        max-width: 100%;
    }

    .hero-images img {
        height: 180px;
    }

    .img-secondary {
        margin-top: 1.5rem;
    }

    #projects {
        padding: 4rem 1.25rem;
    }

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

    footer {
        padding: 3.5rem 1.25rem;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }
}