/* ========================================
   RESET Y VARIABLES
   ======================================== */

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

:root {
    --color-bg:           #F5F5F0;
    --color-bg-card:      #FFFFFF;
    --color-bg-card-alt:  #FAF8F5;
    --color-primary:      #8B5A3C;
    --color-primary-dark: #6B4423;
    --color-secondary:    #A0785A;
    --color-accent:       #8B5A3C;
    --color-dark:         #2A1F1A;
    --color-dark-alt:     #3A2F2A;
    --color-dark-card:    #4A3A2A;
    --color-gray:         #6B6B6B;
    --color-light:        #E8E4DF;
    --color-white:        #ffffff;
    --color-cream:        #FAF8F5;
    --color-gold:         #D4A574;
    --color-text:         #2A1F1A;
    --color-text-light:   #5A4A3A;
    --font-main:          'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --spacing-xs:    0.5rem;
    --spacing-sm:    1rem;
    --spacing-md:    1.5rem;
    --spacing-lg:    2rem;
    --spacing-xl:    3rem;
    --spacing-xxl:   4rem;
    --shadow-sm:     0 2px 8px rgba(0,0,0,0.3);
    --shadow-md:     0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg:     0 8px 24px rgba(0,0,0,0.5);
    --shadow-glow:   0 0 20px rgba(139,90,60,0.4);
    --transition-fast:   0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow:   0.5s ease;
    --radius-sm:   8px;
    --radius-md:   12px;
    --radius-lg:   16px;
    --radius-xl:   24px;
    --radius-full: 9999px;
}

/* ========================================
   ANIMACIONES
   ======================================== */

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(139,90,60,0.4); }
    50%       { box-shadow: 0 0 40px rgba(139,90,60,0.8), 0 0 60px rgba(139,90,60,0.3); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideTextIn {
    from { opacity: 0; transform: translateY(22px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ========================================
   BASE
   ======================================== */

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image:
        radial-gradient(ellipse at 0% 0%,   rgba(139,90,60,0.08) 0px, transparent 55%),
        radial-gradient(ellipse at 100% 80%, rgba(160,120,90,0.06) 0px, transparent 55%);
    overflow-x: hidden;
}

body > main {
    margin-bottom: 6rem !important;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

a { text-decoration: none; color: inherit; transition: var(--transition-fast); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; border: none; cursor: pointer; transition: var(--transition-fast); }
ul { list-style: none; }

/* ========================================
   UTILIDADES
   ======================================== */

.container {
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}
@media (min-width: 768px) {
    .container { padding: 0 var(--spacing-lg); }
}
.text-center { text-align: center; }
.hidden { display: none; }
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border-width: 0;
}

/* ========================================
   HEADER
   ======================================== */

.site-header {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(12px);
    padding: 0.9rem 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
    border-bottom: 1px solid rgba(139,90,60,0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    color: white;
    box-shadow: 0 4px 14px rgba(234, 155, 51, 0.5);
    flex-shrink: 0;
}

.logo-text {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-dark);
    text-shadow: none;
    letter-spacing: 1px;
}

.main-nav {
    flex: 1;
    display: flex;
    gap: 2.5rem;
    align-items: center;
    justify-content: center;
}

.nav-link {
    font-weight: 500;
    color: rgba(255,255,255,0.8);
    position: relative;
    padding: 0.5rem 0;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}
.nav-link:hover { color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); }
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 2px;
}

.header-actions {
    display: flex;
    gap: 0.6rem;
    flex-shrink: 0;
}

.btn-header {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 140px;
    height: 38px;
    padding: 0 0.75rem;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.8rem;
    transition: var(--transition-normal);
    border: 1px solid transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 900px) {
    .main-nav { display: none; }
    .header-actions { flex-wrap: wrap; gap: 0.4rem; }
    .btn-header { font-size: 0.78rem; padding: 0.4rem 0.85rem; }
}

/* ========================================
   BOTONES PRINCIPALES
   ======================================== */

.btn-primary,
.btn-secondary {
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(139,90,60,0.45);
    border: none;
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(139,90,60,0.65);
}
.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}
.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(139,90,60,0.4);
    transform: translateY(-2px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    min-height: 720px;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(42,31,26,0.75) 0%, rgba(58,41,28,0.75) 100%);
}

/* Bottom accent line — matches page-hero style */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-primary) 30%,
        var(--color-secondary) 70%,
        transparent 100%
    );
    z-index: 5;
    pointer-events: none;
    box-shadow: 0 0 10px rgba(139,90,60,0.6);
}

.hero-slides-container {
    position: relative;
    width: 100%;
    min-height: 720px;
}

.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    min-height: 720px;
    display: flex;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.9s ease-in-out, visibility 0.9s ease-in-out;
}
.hero-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

/* Gradient overlay — layered depth effect like page-hero */
.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(180deg, rgba(42,31,26,0.45) 0%, rgba(139,90,60,0.15) 35%, rgba(42,31,26,0.55) 100%),
        radial-gradient(ellipse at 75% 50%, rgba(139,90,60,0.18) 0%, transparent 55%),
        radial-gradient(ellipse at 15% 50%, rgba(92,74,58,0.14) 0%, transparent 50%);
    pointer-events: none;
}

.hero-background {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.hero-background img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.3;
    filter: saturate(0.9) brightness(0.85) sepia(0.3);
}

/* Partícula decorativa dentro del hero */
.hero-deco {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 2;
    display: none; /* Ocultar círculos decorativos */
}
.hero-deco-1 {
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(147,51,234,0.22) 0%, transparent 70%);
    top: -80px; right: 80px;
    animation: float 8s ease-in-out infinite;
}
.hero-deco-2 {
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(99,102,241,0.18) 0%, transparent 70%);
    bottom: 40px; right: 300px;
    animation: float 12s ease-in-out infinite reverse;
}

.hero-content {
    position: relative;
    z-index: 4;
    text-align: left;
    max-width: 700px;
    padding: var(--spacing-xxl) var(--spacing-xl);
    padding-left: 8%;
}

.hero-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 3px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3.5rem, 9vw, 6rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}
.hero-title .roo { color: #ffffff; }
.hero-title .bal {
    background: linear-gradient(
        120deg,
        #f78855 0%,
        #ffffff 35%,
        #f7b655 50%,
        #f18463 70%,
        #ffffff 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroShimmer 4s linear infinite;
}

.hero-description {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
    max-width: 560px;
}

/* Staggered text entrance when slide becomes active */
.hero-content.slide-entering .hero-label {
    animation: slideTextIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: 0.05s;
}
.hero-content.slide-entering .hero-title {
    animation: slideTextIn 0.65s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: 0.18s;
}
.hero-content.slide-entering .hero-description {
    animation: slideTextIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: 0.32s;
}
.hero-content.slide-entering .btn-primary {
    animation: slideTextIn 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: 0.46s;
}

/* Carousel controls */
.hero-carousel {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    z-index: 4;
    pointer-events: none;
}
.carousel-btn {
    position: absolute;
    background: rgba(234, 94, 51, 0.18);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    width: 50px; height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
    border: 1px solid rgba(163, 91, 63, 0.35);
    pointer-events: auto;
}
.carousel-btn.prev { left: 30px; }
.carousel-btn.next { right: 30px; }
.carousel-btn:hover {
    background: rgba(147,51,234,0.45);
    border-color: rgba(147,51,234,0.7);
    transform: scale(1.1);
    box-shadow: 0 0 22px rgba(147,51,234,0.55);
}

.carousel-indicators {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--spacing-xs);
    z-index: 4;
}
.indicator {
    width: 10px; height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: var(--transition-fast);
}
.indicator.active {
    background: var(--color-primary);
    width: 30px;
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px rgba(234, 140, 51, 0.856);
}

@media (max-width: 768px) {
    .carousel-btn { width: 40px; height: 40px; font-size: 1.4rem; }
    .carousel-btn.prev { left: 10px; }
    .carousel-btn.next { right: 10px; }
    /* El botón ocupa 40px y está a 10px del borde = 50px total.
       Usamos 62px de padding para dejar 12px de aire entre botón y texto */
    .hero-content {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
        padding-left: 62px;
        padding-right: 62px;
    }
}

/* ========================================
   THREE COLUMNS SECTION
   ======================================== */

.three-columns-section {
    padding: var(--spacing-xxl) 0;
}

.three-columns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.column-card {
    background: rgba(85, 41, 20, 0.72);
    backdrop-filter: blur(12px);
    padding: var(--spacing-xxl) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 1px solid rgba(234, 161, 51, 0.28);
    position: relative;
    overflow: hidden;
}
.column-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.column-card:hover::before { opacity: 1; }
.column-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(147,51,234,0.35);
    border-color: rgba(234, 140, 51, 0.5);
}

.column-icon {
    width: 80px; height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    font-size: 2rem;
    box-shadow: 0 0 30px rgba(234, 155, 51, 0.55);
    animation: pulse-glow 3s ease-in-out infinite;
}

.column-card h3 {
    font-size: 1.5rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}
.column-card p {
    color: rgba(255,255,255,0.7);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about-section { padding: var(--spacing-xxl) 0; }

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: stretch;
}
@media (min-width: 768px) {
    .about-grid { grid-template-columns: 1fr 1fr; }
}

.about-content {
    background: rgba(80, 53, 18, 0.78);
    backdrop-filter: blur(12px);
    padding: var(--spacing-xxl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(147,51,234,0.3);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}
.about-content:hover {
    border-color: rgba(234, 149, 51, 0.45);
    box-shadow: 0 0 30px rgba(147,51,234,0.18);
}

.about-content h2 {
    font-size: 2rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}
.about-content p {
    color: rgba(255,255,255,0.78);
    margin-bottom: var(--spacing-md);
    line-height: 1.75;
    font-size: 0.95rem;
}

/* Checklist morado */
.about-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255,255,255,0.85);
    font-size: 0.92rem;
    line-height: 1.5;
}
.about-list li::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    min-width: 20px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='white'%3E%3Cpath fill-rule='evenodd' d='M16.707 5.293a1 1 0 00-1.414 0L8 12.586 4.707 9.293a1 1 0 00-1.414 1.414l4 4a1 1 0 001.414 0l8-8a1 1 0 000-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-size: 14px;
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: 0 0 10px rgba(147,51,234,0.5);
    margin-top: 2px;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(234, 161, 51, 0.22);
    box-shadow: 0 0 30px rgba(234, 155, 51, 0.18);
    position: relative;
    background: linear-gradient(135deg, rgba(147,51,234,0.25) 0%, rgba(99,102,241,0.25) 100%);
    height: 100%;
    min-height: 550px;
    max-height: none;
}
.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    opacity: 0.85;
    transition: transform var(--transition-slow), opacity var(--transition-normal);
}
.about-image:hover img {
    transform: scale(1.04);
    opacity: 1;
}

/* ========================================
   SKILLS / FORTALEZAS SECTION
   ======================================== */

.skills-section { padding: var(--spacing-xxl) 0; }

.section-header {
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-xs);
}
.section-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.4rem;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 55px; height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    margin-top: 0.5rem;
    border-radius: 2px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.skill-card {
    background: rgba(80, 41, 18, 0.78);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(234, 133, 51, 0.28);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}
.skill-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    opacity: 0;
    transition: opacity var(--transition-normal);
}
.skill-card:hover::before { opacity: 1; }
.skill-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 30px rgba(147,51,234,0.35);
    border-color: rgba(147,51,234,0.5);
}



.skill-card h3 {
    font-size: 1.05rem;
    color: var(--color-white);
    margin-bottom: 0.35rem;
    font-weight: 600;
}

.skill-card p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.68);
    line-height: 1.55;
}

/* ========================================
   FEATURED PROJECTS SECTION
   ======================================== */

.featured-projects { padding: var(--spacing-xxl) 0; }

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: rgba(90, 61, 22, 0.82);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(234, 140, 51, 0.28);
    min-height: 240px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-normal);
}
.project-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 30px rgba(234, 140, 51, 0.4);
    border-color: rgba(234, 155, 51, 0.55);
}
.project-tag {
    display: inline-block;
    padding: 5px 14px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-size: 0.73rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    width: fit-content;
    box-shadow: 0 0 14px rgba(234, 149, 51, 0.35);
    letter-spacing: 0.5px;
}
.project-card h3 {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}
.project-card p {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    line-height: 1.55;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}
.project-link {
    display: inline-block;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}
.project-link:hover {
    color: var(--color-white);
    transform: translateX(5px);
}

/* ========================================
   PAGE HERO (páginas internas)
   ======================================== */

@keyframes heroShimmer {
    0%   { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes heroParticleFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.6; }
    50%       { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

@keyframes heroBadgeFade {
    0%, 100% { opacity: 0.6; }
    50%       { opacity: 1; }
}

.page-hero {
    position: relative;
    min-height: 580px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(42,31,26,0.75) 0%, rgba(58,41,28,0.75) 100%);
    text-align: center;
    padding: 5rem 0 4rem;
}

/* Background image — darker overlay for impact */
.page-hero .hero-background {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: 1;
}
.page-hero .hero-background img {
    width: 100%; height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.3;
    filter: saturate(1.4) contrast(1.1) brightness(0.85);
    transition: transform 8s ease;
}
.page-hero:hover .hero-background img {
    transform: scale(1.04);
}

/* Layered gradient overlay */
.page-hero .hero-deco-bg {
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(180deg, rgba(42,31,26,0.45) 0%, rgba(139,90,60,0.15) 40%, rgba(42,31,26,0.55) 100%),
        radial-gradient(ellipse at 20% 50%, rgba(139,90,60,0.22) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(107,68,35,0.18) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 100%, rgba(160,120,90,0.12) 0%, transparent 50%);
}

/* Floating decorative orbs */
.page-hero .hero-deco-bg::before,
.page-hero .hero-deco-bg::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.page-hero .hero-deco-bg::before {
    width: 280px; height: 280px;
    background: radial-gradient(circle, rgba(139,90,60,0.18) 0%, transparent 70%);
    top: -60px; right: 10%;
    animation: float 9s ease-in-out infinite;
}
.page-hero .hero-deco-bg::after {
    width: 180px; height: 180px;
    background: radial-gradient(circle, rgba(107,68,35,0.18) 0%, transparent 70%);
    bottom: 20px; left: 8%;
    animation: float 13s ease-in-out infinite reverse;
}

/* Content */
.page-hero .hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 100%;
    width: 100%;
    padding: 0 var(--spacing-lg);
    animation: fadeInUp 0.9s ease-out;
    /* Override base .hero-content left-align styles */
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

/* Decorative top badge */
.page-hero .hero-content::before {
    content: '✦ STARCAFFÉ ✦';
    display: block;
    font-size: 0.72rem;
    letter-spacing: 5px;
    color: #ffffff;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
    opacity: 0.9;
    animation: heroBadgeFade 3s ease-in-out infinite;
}

/* Title with shimmer gradient */
.page-hero h1 {
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1.5rem;
    letter-spacing: 3px;
    background: linear-gradient(
        120deg,
        #ffffff 0%,
        #f79655 30%,
        #ffffff 50%,
        #f1bf63 70%,
        #ffffff 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: heroShimmer 5s linear infinite;
}

/* Subtitle */
.page-subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.78);
    line-height: 1.8;
    max-width: 540px;
    margin: 0 auto;
    position: relative;
    padding-top: 1.2rem;
}

/* Horizontal divider line under h1 */
.page-subtitle::before {
    content: '';
    display: block;
    width: 70px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    margin: 0 auto 1.2rem;
    border-radius: 2px;
}

/* Bottom decorative line */
.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        var(--color-primary) 30%,
        var(--color-secondary) 70%,
        transparent 100%
    );
    z-index: 5;
}

/* Download button in page hero */
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(139,90,60,0.45);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    margin-top: 1.5rem;
    z-index: 3;
    position: relative;
}

.btn-download:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(139,90,60,0.65);
}

.btn-download i {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .page-hero {
        min-height: 450px;
        padding: 3.5rem 1rem 3rem;
    }
    .page-hero h1 {
        font-size: clamp(2.2rem, 10vw, 3.5rem);
        letter-spacing: 2px;
    }
    .page-subtitle {
        font-size: 0.95rem;
    }
    .btn-download {
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }
}

/* ========================================
   PROJECTS FILTER
   ======================================== */

.projects-filter { padding: var(--spacing-xl) 0 var(--spacing-md); }

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
}
.filter-btn {
    padding: 0.55rem 1.4rem;
    background: rgba(19,13,42,0.7);
    backdrop-filter: blur(8px);
    color: rgba(255,255,255,0.8);
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition-normal);
    border: 1px solid rgba(147,51,234,0.25);
    cursor: pointer;
}
.filter-btn:hover,
.filter-btn.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(147,51,234,0.45);
}

/* ========================================
   PROJECTS SHOWCASE (CATEGORY CARDS)
   ======================================== */

.projects-showcase { padding: var(--spacing-md) 0 var(--spacing-xxl); }

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.showcase-card {
    background: rgba(42,18,80,0.78);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(147,51,234,0.28);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    min-height: 320px;   /* altura mínima uniforme */
}
.showcase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 35px rgba(147,51,234,0.4);
    border-color: rgba(147,51,234,0.55);
}

/* Icon area on top — left aligned */
.showcase-card .card-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-sm);
}
.showcase-card .card-cat-icon {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(147,51,234,0.3), rgba(99,102,241,0.3));
    border: 1px solid rgba(147,51,234,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 0 24px rgba(147,51,234,0.3);
    color: var(--color-accent);
}

/* Text content — left aligned */
.card-content {
    padding: var(--spacing-sm) var(--spacing-lg) var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
    text-align: left;
    gap: 0.5rem;
}
.card-content h3 {
    font-size: 1.25rem;
    color: var(--color-white);
    margin-bottom: 0.25rem;
    font-weight: 600;
}
.card-content p {
    color: rgba(255,255,255,0.68);
    font-size: 0.9rem;
    line-height: 1.65;
    flex: 1;
    margin-bottom: var(--spacing-sm);
}

/* Footer row: count left, button right */
.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.6rem;
    margin-top: auto;
    border-top: 1px solid rgba(147,51,234,0.15);
}

.card-count {
    font-size: 0.82rem;
    color: var(--color-accent);
    font-weight: 600;
}

.btn-card {
    background: transparent;
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
    display: inline-block;
    text-decoration: none;
}
.btn-card:hover {
    color: var(--color-white);
    transform: translateX(4px);
}

@media (max-width: 1024px) {
    .showcase-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .showcase-grid { grid-template-columns: 1fr; }
}

/* ========================================
   ORGANIZATION SECTION
   ======================================== */

.organization-section { padding: var(--spacing-xxl) 0; text-align: center; }

.org-card-wrapper {
    background: rgba(42,18,80,0.78);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(147,51,234,0.22);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl);
    width: 100%;
}
.org-card-wrapper h2 {
    font-size: 1.9rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}
.section-subtitle {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.org-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-lg);
}
.org-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}
.org-icon {
    width: 70px; height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: 0 0 24px rgba(147,51,234,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
}
.org-step span {
    font-weight: 600;
    color: var(--color-white);
    font-size: 0.85rem;
}
.org-arrow {
    color: rgba(147,51,234,0.7);
    font-size: 1.6rem;
    line-height: 1;
    margin-bottom: 1.4rem;
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section { padding: var(--spacing-xxl) 0; }

.cta-inner {
    background: linear-gradient(135deg, rgba(147,51,234,0.45) 0%, rgba(99,102,241,0.45) 100%);
    border: 1px solid rgba(147,51,234,0.35);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xxl) var(--spacing-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(147,51,234,0.25) 0%, transparent 70%);
    pointer-events: none;
}
.cta-inner h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    position: relative;
}
.cta-inner p {
    color: rgba(255,255,255,0.82);
    font-size: 1rem;
    margin-bottom: var(--spacing-xl);
    position: relative;
}
/* Asegurar que el botón dentro del CTA hereda flex y gap correctamente */
.cta-inner .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
}

/* ========================================
   SEMESTERS SECTION (Unidades)
   ======================================== */

.semesters-section { padding: var(--spacing-xxl) 0; }

.semesters-section .section-header { margin-bottom: var(--spacing-xl); }

.semesters-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.semester-card {
    background: rgba(42,18,80,0.78);
    backdrop-filter: blur(12px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(147,51,234,0.28);
    transition: var(--transition-normal);
}
.semester-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 30px rgba(147,51,234,0.35);
    border-color: rgba(147,51,234,0.5);
}

.semester-avatar {
    width: 110px; height: 110px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(147,51,234,0.4) 0%, rgba(99,102,241,0.4) 100%);
    border: 2px solid rgba(147,51,234,0.35);
    box-shadow: 0 0 22px rgba(147,51,234,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}
.semester-avatar img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.semester-card h3 {
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.btn-semester {
    padding: 0.55rem 1.6rem;
    background: transparent;
    color: var(--color-accent);
    border: 1px solid rgba(147,51,234,0.45);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-normal);
    cursor: pointer;
}
.btn-semester:hover {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(147,51,234,0.4);
    transform: translateY(-2px);
}

/* ========================================
   RESOURCES SECTION (Unidades)
   ======================================== */

.resources-section { padding: var(--spacing-xl) 0 var(--spacing-xxl); }

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.resource-card {
    background: rgba(42,18,80,0.78);
    backdrop-filter: blur(12px);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid rgba(147,51,234,0.28);
    transition: var(--transition-normal);
}
.resource-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 25px rgba(147,51,234,0.3);
    border-color: rgba(147,51,234,0.5);
}

.resource-icon {
    width: 70px; height: 70px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    box-shadow: 0 0 20px rgba(147,51,234,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
}

.resource-card h3 {
    font-size: 1.05rem;
    color: var(--color-white);
    line-height: 1.4;
    font-weight: 600;
}

/* ========================================
   RESPONSIVE GENERAL
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .semesters-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Mobile */
@media (max-width: 767px) {
    .hero { min-height: 520px; }
    /* NO sobreescribir el padding-left/right del hero-content aquí —
       el @media 768px ya lo protege contra los botones del carrusel */
    .hero-content {
        padding-top: var(--spacing-xl);
        padding-bottom: var(--spacing-xl);
        padding-left: 62px;
        padding-right: 62px;
    }
    .hero-title { font-size: clamp(2.8rem, 11vw, 4rem); }
    .hero-description { font-size: 0.95rem; }
    .projects-grid,
    .semesters-grid,
    .resources-grid { grid-template-columns: 1fr; }
    .skills-grid { grid-template-columns: 1fr; }
    .org-flow { gap: 0.4rem; }
    .three-columns-grid { gap: var(--spacing-lg); }
    .about-grid { grid-template-columns: 1fr; }
    .about-image { min-height: 300px; }
    .cta-inner { padding: var(--spacing-xl) var(--spacing-md); }
    .filter-buttons { gap: 0.5rem; }
    .filter-btn { font-size: 0.82rem; padding: 0.45rem 1rem; }
    .org-card-wrapper { padding: var(--spacing-xl) var(--spacing-md); }
    .section-header h2 { font-size: 1.6rem; }
    h2 { font-size: clamp(1.6rem, 5vw, 2.5rem); }
    h3 { font-size: clamp(1.2rem, 4vw, 1.6rem); }
}

/* Small mobile */
@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .hero-content {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
        padding-left: 58px;
        padding-right: 58px;
    }
    .btn-primary, .btn-secondary { font-size: 0.9rem; padding: 0.75rem 1.5rem; }
    .three-columns-grid { grid-template-columns: 1fr; }
    .column-card { padding: var(--spacing-xl) var(--spacing-md); }
    .skill-card { flex-direction: column; align-items: center; text-align: center; }
    .project-card { min-height: auto; padding: var(--spacing-md); }
    .semester-card, .resource-card { padding: var(--spacing-lg); }
}

/* Focus / Accesibilidad */
*:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

.fade-in { animation: fadeIn 0.6s ease-out; }