/* ============================================
   PORTFOLIO PAGE — SANGU SOLUCIONES
   sangusoluciones.com/portfolio
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    --yellow:   #FFBD59;
    --red:      #FF3131;
    --white:    #FFFEF8;
    --black:    #080517;

    --font-display: 'Archivo Black', sans-serif;
    --font-body:    'Archivo', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    line-height: 1.7;
}

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

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 10px;
    display: block;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 4rem);
    letter-spacing: 1px;
    line-height: 1;
    text-transform: uppercase;
    color: var(--white);
}

.section-title span,
.section-title .accent {
    color: var(--red);
}

/* ============================================
   HEADER / NAVIGATION
   Exactamente el .service-header del sitio
   ============================================ */
.service-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--black);
    border-bottom: 2px solid var(--yellow);
    transition: all 0.3s ease;
}

.service-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

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

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--yellow);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Nav links */
.main-nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.main-nav a {
    font-family: var(--font-display);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--white);
    position: relative;
    transition: color 0.3s ease;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--yellow);
    transition: width 0.3s ease;
}

.main-nav a:hover {
    color: var(--yellow);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    width: 100%;
}

.main-nav a.active {
    color: var(--yellow);
}

/* CTA nav button */
.nav-cta {
    background-color: var(--red) !important;
    color: var(--white) !important;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--red);
    transition: all 0.3s ease !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background-color: var(--yellow) !important;
    border-color: var(--yellow);
    color: var(--black) !important;
}

/* Mobile toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--yellow);
    display: block;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}
.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   TICKER MARQUEE
   ============================================ */
.ticker {
    background-color: var(--red);
    padding: 11px 0;
    overflow: hidden;
    white-space: nowrap;
    border-top: 2px solid var(--black);
}

.ticker-inner {
    display: inline-flex;
    animation: ticker 22s linear infinite;
}

.ticker-item {
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 0 40px;
    color: var(--white);
}

.ticker-item::after {
    content: '◆';
    margin-left: 40px;
    color: var(--black);
    opacity: 0.4;
}

@keyframes ticker {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

/* ============================================
   PORTFOLIO HERO
   ============================================ */
.portfolio-hero {
    padding: 140px 0 80px;
    background-color: var(--black);
    border-bottom: 2px solid var(--yellow);
}

.hero-badge {
    display: inline-block;
    background-color: var(--yellow);
    color: var(--black);
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    padding: 6px 16px;
    margin-bottom: 20px;
}

.portfolio-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 9vw, 8rem);
    line-height: 0.95;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 24px;
    color: var(--white);
}

.portfolio-hero h1 .accent {
    color: var(--red);
}

.portfolio-hero p {
    color: var(--white);
    font-size: 1rem;
    max-width: 560px;
    line-height: 1.7;
    opacity: 0.75;
}

/* ============================================
   FILTER TABS
   ============================================ */
.filters-section {
    padding: 60px 0 0;
    background-color: var(--black);
}

.filter-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 24px;
    margin-bottom: 50px;
}

.filter-btn {
    background-color: transparent;
    border: 2px solid var(--white);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 8px 20px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--yellow);
    color: var(--yellow);
}

.filter-btn.active {
    background-color: var(--yellow);
    border-color: var(--yellow);
    color: var(--black);
}

/* ============================================
   SECTION DIVIDER (title row + link)
   ============================================ */
.section-divider {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    padding-bottom: 32px;
    margin-top: 80px;
    border-bottom: 2px solid var(--yellow);
    margin-bottom: 32px;
}

.view-all-link {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--yellow);
    border-bottom: 2px solid var(--yellow);
    padding-bottom: 2px;
    transition: color 0.2s ease, border-color 0.2s ease;
    white-space: nowrap;
}

.view-all-link:hover {
    color: var(--red);
    border-bottom-color: var(--red);
}

/* ============================================
   VIDEO HORIZONTAL SCROLL
   ============================================ */
.video-scroll-section {
    padding-bottom: 20px;
    background-color: var(--black);
}

.video-scroll-wrap {
    overflow-x: auto;
    padding: 0 2rem 40px;
    scrollbar-width: thin;
    scrollbar-color: var(--yellow) var(--black);
}

.video-scroll-wrap::-webkit-scrollbar       { height: 3px; }
.video-scroll-wrap::-webkit-scrollbar-track { background: var(--black); }
.video-scroll-wrap::-webkit-scrollbar-thumb { background: var(--yellow); }

.video-row {
    display: flex;
    gap: 16px;
    width: max-content;
}

/* Video card */
.video-card {
    width: 240px;
    flex-shrink: 0;
    background-color: var(--black);
    border: 2px solid var(--yellow);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    transition: border-color 0.25s ease, transform 0.25s ease;
}

.video-card:hover {
    border-color: var(--red);
    transform: translateY(-4px);
}

.video-card .card-inner {
    position: relative;
    overflow: hidden;
}

/* Play button */
.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    width: 52px;
    height: 52px;
    border: 2px solid var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--black);
    transition: all 0.25s ease;
    pointer-events: none;
}

.play-btn svg {
    fill: var(--white);
    width: 18px;
    margin-left: 3px;
}

.video-card:hover .play-btn {
    background-color: var(--red);
    border-color: var(--red);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-card-info {
    padding: 14px 16px;
    background-color: var(--black);
    border-top: 2px solid var(--yellow);
}

.video-card:hover .video-card-info {
    border-top-color: var(--red);
}

.card-category {
    font-family: var(--font-display);
    font-size: 0.65rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 4px;
    display: block;
}

.video-card-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1.2;
}

/* ============================================
   STATS BANNER
   ============================================ */
.stats-banner {
    background-color: var(--red);
    padding: 50px 0;
    border-top: 2px solid var(--black);
    border-bottom: 2px solid var(--black);
}

.stats-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    text-align: center;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    letter-spacing: 2px;
    line-height: 1;
    color: var(--white);
    margin-bottom: 8px;
}

.stat-label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--black);
}

/* ============================================
   WEB SECTION
   ============================================ */
.web-section {
    padding-bottom: 80px;
    background-color: var(--black);
}

.web-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

/* Web grid item */
.web-grid-item {
    background-color: var(--black);
    border: 2px solid var(--yellow);
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.3s ease;
}

.web-grid-item:hover {
    border-color: var(--red);
    transform: translateY(-6px);
}

/* Browser chrome */
.browser-bar {
    background-color: var(--black);
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--yellow);
}

.web-grid-item:hover .browser-bar {
    border-bottom-color: var(--red);
}

.browser-dots {
    display: flex;
    gap: 5px;
    flex-shrink: 0;
}

.browser-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot-red    { background-color: #FF5F57; }
.dot-yellow { background-color: #FEBC2E; }
.dot-green  { background-color: #28C840; }

.browser-url {
    flex: 1;
    background-color: var(--black);
    border: 1px solid var(--yellow);
    padding: 3px 10px;
    font-family: var(--font-body);
    font-size: 0.6rem;
    color: var(--yellow);
    letter-spacing: 0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Screenshot image */
.web-screenshot {
    width: 100%;
    height: 240px;
    object-fit: cover;
    object-position: top;
    display: block;
    transition: transform 0.5s ease;
}

.web-grid-item:hover .web-screenshot {
    transform: scale(1.03);
}

/* Tall variant — more image height */
.web-grid-item.tall .web-screenshot {
    height: 380px;
}

/* Info below screenshot */
.web-item-info {
    padding: 18px 20px;
    border-top: 2px solid var(--yellow);
    background-color: var(--black);
}

.web-grid-item:hover .web-item-info {
    border-top-color: var(--red);
}

.web-item-title {
    font-family: var(--font-display);
    font-size: 1rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 8px;
    margin-top: 4px;
    line-height: 1.2;
}

.web-item-desc {
    font-size: 0.82rem;
    color: var(--white);
    line-height: 1.5;
    margin-bottom: 12px;
    opacity: 0.75;
}

/* Tags */
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
}

.tag {
    font-family: var(--font-display);
    font-size: 0.58rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--black);
    background-color: var(--yellow);
    padding: 3px 8px;
    border: 1px solid var(--yellow);
}

/* ============================================
   CTA SECTION
   ============================================ */
.portfolio-cta {
    background-color: var(--white);
    border-top: 4px solid var(--red);
    padding: 100px 0;
    text-align: center;
}

.portfolio-cta .section-label {
    color: var(--red);
}

.portfolio-cta .section-title {
    color: var(--black);
    font-size: clamp(2.5rem, 6vw, 6rem);
    margin: 16px 0 24px;
}

.portfolio-cta .section-title span {
    color: var(--red);
}

.portfolio-cta p {
    color: var(--black);
    font-size: 1rem;
    max-width: 480px;
    margin: 0 auto 40px;
    line-height: 1.7;
    opacity: 0.8;
}

.btn-primary {
    display: inline-block;
    background-color: var(--red);
    color: var(--white);
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    border: 2px solid var(--red);
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
    text-decoration: none;
}

.btn-primary:hover {
    background-color: var(--black);
    color: var(--white);
    border-color: var(--black);
    transform: translateY(-2px);
}

.btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--black);
    font-family: var(--font-display);
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 0.9rem 2.3rem;
    border: 2px solid var(--black);
    transition: background-color 0.2s ease, color 0.2s ease;
    text-decoration: none;
    margin-left: 12px;
}

.btn-secondary:hover {
    background-color: var(--black);
    color: var(--white);
}

/* ============================================
   FOOTER
   ============================================ */
.portfolio-footer {
    background-color: var(--black);
    border-top: 4px solid var(--yellow);
    padding: 50px 0 30px;
}

.footer-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--yellow);
    margin-bottom: 24px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: 2px;
    color: var(--yellow);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-logo:hover {
    color: var(--white);
}

.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
    align-items: center;
}

.footer-links a {
    font-family: var(--font-display);
    color: var(--white);
    font-size: 0.75rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    transition: color 0.2s ease;
    opacity: 0.7;
}

.footer-links a:hover {
    color: var(--yellow);
    opacity: 1;
}

.footer-copy {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    color: var(--white);
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    opacity: 0.5;
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-up {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }

/* ============================================
   ACCESSIBILITY
   ============================================ */
.web-grid-item:focus-within,
.video-card:focus-within {
    outline: 2px solid var(--yellow);
    outline-offset: 3px;
}

/* ============================================
   RESPONSIVE — TABLET (≤1024px)
   ============================================ */
@media (max-width: 1024px) {
    .web-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

/* ============================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .header-container {
        padding: 1rem 1.5rem;
    }

    /* Nav mobile */
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--black);
        flex-direction: column;
        padding: 2rem 1.5rem;
        gap: 1.5rem;
        border-top: 2px solid var(--yellow);
        border-bottom: 2px solid var(--yellow);
    }

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

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

    /* Hero */
    .portfolio-hero {
        padding: 110px 0 60px;
    }

    /* Section divider */
    .section-divider {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-top: 60px;
    }

    /* Stats */
    .stats-inner {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-num {
        font-size: 2.6rem;
    }

    /* Video scroll */
    .video-scroll-wrap {
        padding: 0 1.5rem 30px;
    }

    .video-card {
        width: 190px;
    }

    /* Web grid */
    .web-grid {
        grid-template-columns: 1fr;
    }

    .web-grid-item.tall .web-screenshot {
        height: 260px;
    }

    /* CTA */
    .portfolio-cta {
        padding: 70px 0;
    }

    .btn-secondary {
        margin-left: 0;
        margin-top: 12px;
        display: block;
        text-align: center;
    }

    /* Footer */
    .footer-inner {
        flex-direction: column;
        gap: 24px;
    }

    .footer-links {
        gap: 16px;
    }

    .footer-copy {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================ */
@media (max-width: 480px) {
    .portfolio-hero h1 {
        font-size: clamp(3rem, 16vw, 5rem);
    }

    .stats-inner {
        grid-template-columns: 1fr 1fr;
    }

    .stat-num {
        font-size: 2.2rem;
    }

    .filter-tabs {
        gap: 6px;
    }

    .filter-btn {
        padding: 7px 14px;
        font-size: 0.7rem;
    }
}

/* ============================================
   PRINT
   ============================================ */
@media print {
    .service-header,
    .ticker,
    .play-btn {
        display: none;
    }

    .portfolio-hero {
        margin-top: 0;
        padding-top: 40px;
    }
}