/* ============================================================
   PORTFÓLIO — FILIPE ZINI | WEB DESIGNER
   Estrutura mobile first.

   Breakpoints:
   480px  — smartphones maiores
   768px  — tablets e exibição da logo
   1024px — notebooks e desktops
   ============================================================ */

:root {
    --night-blue: #0a192f;
    --dark-blue: #00002e;
    --dark-blue-rgba: rgba(0, 0, 46, 0.86);
    --blue-surface: #0d2a4a;
    --blue-soft: #12365b;
    --gold: #d4af37;
    --silver: #c0c0c0;
    --light-silver: #e8e8e8;
    --white: #ffffff;
    --black: #050505;

    --font-main: 'Poppins', 'Segoe UI', 'Roboto', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.5rem;
    --text-2xl: 2rem;
    --text-3xl: 2.5rem;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;

    --navbar-height: 60px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: 0.25s ease;
}

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--navbar-height) + 1rem);
}

body {
    min-width: 320px;
    padding-top: var(--navbar-height);
    font-family: var(--font-main);
    color: var(--silver);
    background-color: var(--night-blue);
    line-height: 1.7;
}

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

button,
a,
summary {
    -webkit-tap-highlight-color: transparent;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    padding-left: 1.2rem;
}

code {
    padding: 0.08rem 0.3rem;
    color: var(--gold);
    background-color: rgba(0, 0, 0, 0.25);
    border-radius: 4px;
}

.skip-link {
    position: fixed;
    top: 0;
    left: -9999px;
    z-index: 3000;
    padding: var(--space-xs) var(--space-sm);
    color: var(--dark-blue);
    background-color: var(--gold);
    border-radius: 0 0 var(--radius-sm) 0;
    font-weight: 700;
}

.skip-link:focus {
    left: 0;
}

a:focus-visible,
summary:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 4px;
}

/* Navbar ---------------------------------------------------- */
#navbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 1000;
    height: var(--navbar-height);
    padding-inline: var(--space-sm);
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.96), var(--dark-blue-rgba));
    border-bottom: 1px solid var(--gold);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    height: 100%;
    margin-inline: auto;
}

/* Mobile first: a logo não ocupa espaço em telas menores. */
.logo {
    display: none;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    max-width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    white-space: nowrap;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-links a {
    flex: 0 0 auto;
    padding-block: 0.25rem;
    color: var(--gold);
    border-bottom: 2px solid transparent;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color var(--transition), border-color var(--transition);
}

.nav-links a:hover {
    color: var(--light-silver);
    border-bottom-color: var(--gold);
}

/* Hero ------------------------------------------------------ */
#welcome-section {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100svh - var(--navbar-height));
    padding: var(--space-xl) var(--space-sm);
    text-align: center;
    background:
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.09), transparent 30%),
        linear-gradient(135deg, var(--night-blue), var(--blue-surface));
}

.welcome-content {
    width: 100%;
    max-width: 680px;
}

.eyebrow,
.section-kicker {
    display: block;
    margin-bottom: var(--space-sm);
    color: var(--gold);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

#welcome-section h1 {
    margin-bottom: var(--space-sm);
    color: var(--white);
    font-size: clamp(2.35rem, 13vw, 4.8rem);
    font-weight: 800;
    line-height: 1.05;
}

#welcome-section p {
    max-width: 590px;
    margin: 0 auto var(--space-lg);
    color: var(--light-silver);
    font-size: var(--text-base);
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    align-items: stretch;
}

.btn-primary,
.btn-secondary,
.project-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 46px;
    padding: 0.72rem 1.35rem;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: transform var(--transition), color var(--transition), background-color var(--transition),
        border-color var(--transition);
}

.btn-primary {
    color: var(--dark-blue);
    background-color: var(--gold);
    border: 1px solid var(--gold);
}

.btn-primary:hover {
    color: var(--gold);
    background-color: transparent;
    transform: translateY(-2px);
}

.btn-secondary {
    color: var(--light-silver);
    border: 1px solid var(--silver);
}

.btn-secondary:hover {
    color: var(--gold);
    border-color: var(--gold);
    transform: translateY(-2px);
}

/* Seções genéricas ----------------------------------------- */
.section-container {
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding: var(--space-xl) var(--space-sm);
}

section h2,
footer h2 {
    margin-bottom: var(--space-md);
    color: var(--white);
    font-size: var(--text-xl);
    line-height: 1.25;
}

.section-lead {
    max-width: 720px;
    margin-bottom: var(--space-lg);
    color: var(--light-silver);
}

/* Perfil ---------------------------------------------------- */
#perfil {
    background: linear-gradient(135deg, var(--blue-surface), var(--night-blue));
}

.about-grid {
    display: grid;
    gap: var(--space-md);
}

.about-copy {
    display: grid;
    gap: var(--space-sm);
    max-width: 760px;
    color: var(--light-silver);
}

/* Competências --------------------------------------------- */
#competencias {
    background-color: var(--night-blue);
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
}

.service-tile {
    padding: var(--space-md);
    background: linear-gradient(135deg, var(--blue-surface), var(--night-blue));
    border: 1px solid rgba(212, 175, 55, 0.65);
    border-radius: var(--radius-md);
    transition: transform var(--transition), border-color var(--transition);
}

.service-tile:hover {
    border-color: var(--silver);
    transform: translateY(-3px);
}

.service-icon {
    display: inline-flex;
    margin-bottom: var(--space-sm);
    color: var(--gold);
    font-size: var(--text-xl);
}

.service-tile h3 {
    margin-bottom: var(--space-xs);
    color: var(--white);
    font-size: var(--text-lg);
}

.service-tile p {
    color: var(--light-silver);
    font-size: var(--text-sm);
}

/* Portfólio com details ------------------------------------ */
.portfolio-section {
    background: linear-gradient(135deg, var(--night-blue), var(--blue-surface));
}

.alternate-section {
    background: var(--night-blue);
}

.details-list {
    display: grid;
    gap: var(--space-md);
}

.project-details {
    overflow: hidden;
    background-color: rgba(0, 0, 0, 0.16);
    border: 1px solid rgba(212, 175, 55, 0.68);
    border-radius: var(--radius-md);
    transition: border-color var(--transition), background-color var(--transition);
}

.project-details[open] {
    background-color: rgba(13, 42, 74, 0.78);
    border-color: var(--gold);
}

.project-details summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    min-height: 80px;
    padding: var(--space-sm);
    color: var(--white);
    cursor: pointer;
    list-style: none;
    font-size: var(--text-base);
    font-weight: 700;
}

.project-details summary::-webkit-details-marker {
    display: none;
}

.project-details summary small {
    display: block;
    margin-bottom: 0.22rem;
    color: var(--gold);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.summary-action {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 0.4rem;
    color: var(--silver);
    font-size: var(--text-xs);
    text-transform: uppercase;
}

.summary-action::after {
    content: '+';
    display: grid;
    place-items: center;
    width: 1.65rem;
    height: 1.65rem;
    color: var(--dark-blue);
    background-color: var(--gold);
    border-radius: 50%;
    font-size: 1rem;
    line-height: 1;
    transition: transform var(--transition);
}

.project-details[open] .summary-action::after {
    content: '−';
    transform: rotate(180deg);
}

.project-content {
    display: grid;
    gap: var(--space-md);
    padding: 0 var(--space-sm) var(--space-md);
    border-top: 1px solid rgba(192, 192, 192, 0.16);
}

.project-description {
    padding-top: var(--space-md);
    color: var(--light-silver);
}

.project-meta {
    display: grid;
    gap: 0.4rem;
    margin-top: var(--space-sm);
    color: var(--silver);
    font-size: var(--text-sm);
}

.project-meta strong {
    color: var(--gold);
}

.project-gallery {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-sm);
}

.project-gallery figure {
    overflow: hidden;
    background-color: var(--black);
    border: 1px solid rgba(192, 192, 192, 0.25);
    border-radius: var(--radius-sm);
}

.project-gallery a {
    display: block;
    overflow: hidden;
    cursor: zoom-in;
}

.project-gallery a:hover img,
.project-gallery a:focus-visible img {
    filter: blur(0);
    opacity: 1;
    transform: scale(1.01);
}

.project-gallery img {
    width: 100%;
    height: auto;
    display: block;

    filter: blur(1px);
    opacity: 0.92;

    transition:
        filter 0.25s ease,
        opacity 0.25s ease,
        transform 0.25s ease;
}

.project-gallery figcaption {
    padding: 0.65rem 0.8rem;
    color: var(--silver);
    font-size: var(--text-xs);
}

.project-link {
    width: 100%;
    color: var(--dark-blue);
    background-color: var(--gold);
    border: 1px solid var(--gold);
}

.project-link:hover {
    color: var(--gold);
    background-color: transparent;
}

.project-links-estudos {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
}

/* CTA ------------------------------------------------------- */
#cta-band {
    padding: var(--space-xl) var(--space-sm);
    text-align: center;
    background:
        radial-gradient(circle at center, rgba(212, 175, 55, 0.12), transparent 55%),
        linear-gradient(90deg, var(--dark-blue), var(--blue-surface));
    border-block: 1px solid var(--gold);
}

.cta-content {
    max-width: 760px;
    margin-inline: auto;
}

#cta-band h2 {
    color: var(--white);
}

#cta-band p {
    margin-bottom: var(--space-md);
    color: var(--light-silver);
}

/* Rodapé ---------------------------------------------------- */
footer#contato {
    padding: var(--space-lg) var(--space-sm);
    text-align: center;
    background: linear-gradient(90deg, var(--black), var(--dark-blue));
}

.footer-container {
    max-width: 760px;
    margin-inline: auto;
}

.footer-intro {
    margin-bottom: var(--space-md);
    color: var(--light-silver);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.footer-contact-item {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.8rem;
    color: var(--gold);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: 600;
    transition: color var(--transition), border-color var(--transition);
}

.footer-contact-item:hover {
    color: var(--light-silver);
    border-color: var(--gold);
}

.contact-icon {
    display: inline-flex;
}

.footer-copy {
    color: var(--silver);
    font-size: var(--text-xs);
    opacity: 0.75;
}

/* 480px ----------------------------------------------------- */
@media (min-width: 480px) {
    .nav-links {
        gap: var(--space-sm);
    }

    .nav-links a {
        font-size: var(--text-xs);
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .btn-primary,
    .btn-secondary {
        width: auto;
    }

    .project-details summary {
        padding: var(--space-md);
    }

    .project-content {
        padding: 0 var(--space-md) var(--space-md);
    }
}

/* 768px ----------------------------------------------------- */
@media (min-width: 768px) {
    :root {
        --navbar-height: 68px;
    }

    .nav-container {
        justify-content: space-between;
    }

    .logo {
        display: block;
        flex: 0 0 auto;
    }

    .logo img {
        width: auto;
        height: 2.7rem;
        border-radius: var(--radius-sm);
        transition: transform var(--transition);
    }

    .logo:hover img {
        transform: scale(1.04);
    }

    .nav-links {
        overflow: visible;
    }

    #welcome-section {
        justify-content: flex-start;
        text-align: left;
    }

    .welcome-content {
        margin-inline: auto;
    }

    #welcome-section p {
        margin-left: 0;
    }

    .hero-cta {
        justify-content: flex-start;
    }

    .section-container {
        padding-inline: var(--space-lg);
    }

    section h2,
    footer h2 {
        font-size: var(--text-2xl);
    }

    .about-grid {
        grid-template-columns: minmax(250px, 0.8fr) minmax(360px, 1.2fr);
        gap: var(--space-lg);
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .project-gallery {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .project-link {
        justify-self: start;
        width: auto;
    }
}

@media (min-width: 768px) {

    .project-links-estudos {
        flex-direction: row;
        align-items: center;
        gap: var(--space-sm);
    }

}

/* 1024px ---------------------------------------------------- */
@media (min-width: 1024px) {
    :root {
        --navbar-height: 72px;
    }

    #navbar {
        padding-inline: var(--space-lg);
    }

    .nav-links {
        gap: var(--space-md);
    }

    .nav-links a {
        font-size: var(--text-sm);
    }

    .logo img {
        height: 3rem;
    }

    #welcome-section {
        padding-inline: var(--space-lg);
    }

    .services-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .project-details summary {
        min-height: 92px;
        font-size: var(--text-lg);
    }

    .project-content {
        grid-template-columns: minmax(280px, 0.75fr) minmax(520px, 1.25fr);
        align-items: start;
    }

    .project-description {
        grid-row: span 2;
    }

    .project-link {
        grid-column: 2;
    }
}

/* Redução de movimento ------------------------------------- */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition: none !important;
        animation: none !important;
    }
}