/* =========================
   RESET & VARIABLES - PVB ESTUDIO CREATIVO
========================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Nueva paleta PVB Estudio Creativo */
    --color-dark: #1A1A1A;      /* Charcoal Black - Principal */
    --color-mid: #6B6B6B;       /* Slate Gray - Secundario */
    --color-light: #F5F5F5;     /* Soft White - Fondo */
    --color-accent: #1A1A1A;    /* Acento (mismo que dark para elegancia) */
    
    /* Variables heredadas mapeadas a nueva paleta */
    --black: #1A1A1A;
    --white: #FFFFFF;
    --primary: #1A1A1A;         /* Color principal de acento */
    --primary-dark: #000000;    /* Versión más oscura */
    --light-gray: #F5F5F5;
    --medium-gray: #6B6B6B;
    --dark-gray: #1A1A1A;
    
    /* Variables legacy para compatibilidad */
    --red: #1A1A1A;             /* Mapeado a charcoal para mantener funcionalidad */
    --dark-red: #000000;        /* Mapeado a black */
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 48px;
    --spacing-xl: 72px;
    --spacing-xxl: 120px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--white);
    color: var(--dark-gray);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* =========================
   SCROLL PROGRESS BAR
========================= */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--color-dark);
    z-index: 2000;
    width: 0%;
    transition: width 0.1s ease;
}

/* =========================
   NAVIGATION
========================= */
.navbar {
    position: fixed;
    top: 4px;
    left: 0;
    right: 0;
    background: var(--white);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform 0.3s ease;
    height: 60px;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 60px;
    width: auto;
    display: block;
    transition: opacity 0.3s ease;
}

.logo-image:hover {
    opacity: 0.9;
}

/* Legacy logo text styles for backward compatibility */
.logo-text {
    color: var(--color-dark);
}

.logo-dot {
    color: var(--color-mid);
    font-size: 32px;
    line-height: 0;
}

.logo-name {
    color: var(--color-mid);
    font-weight: 700;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    color: var(--color-mid);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    position: relative;
    transition: color 0.3s ease;
    padding: 8px 0;
    border-radius: 4px;
}

.nav-link:hover {
    color: var(--color-dark);
}

.nav-link:focus {
    outline: 2px solid var(--color-dark);
    outline-offset: 2px;
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-link:focus::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--color-mid);
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* =========================
   BUTTONS
========================= */
.btn {
    padding: 16px 32px;
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.5px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    border-radius: 4px;
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:focus {
    outline: 2px solid var(--color-dark);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-dark);
    color: var(--white);
}

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(26, 26, 26, 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 4px 10px rgba(26, 26, 26, 0.2);
}

.btn-secondary {
    background: transparent;
    color: var(--color-mid);
    border: 2px solid var(--color-mid);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--light-gray);
    color: var(--color-dark);
    border-color: var(--color-dark);
    transform: translateY(-2px);
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-hero {
    margin-top: var(--spacing-lg);
    font-size: 18px;
    padding: 20px 48px;
}

.btn-large {
    padding: 20px 48px;
    font-size: 18px;
    width: 100%;
}

.btn-small {
    padding: 12px 24px;
    font-size: 14px;
}

/* =========================
   HERO SECTION
========================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
    padding-top: 80px;
    overflow: hidden;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #000000 100%);
}

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
}

/* YouTube iframe as hero background */
.hero-video-yt {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 177.78vh; /* 16:9 aspect ratio */
    height: 100vh;
    min-width: 100%;
    min-height: 56.25vw; /* 16:9 aspect ratio */
    transform: translate(-50%, -50%);
    border: 0;
    pointer-events: none;
}

.hero-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.4) 0%,
        rgba(0, 0, 0, 0.6) 50%,
        rgba(0, 0, 0, 0.8) 100%
    );
    z-index: 1;
}

.hero-container {
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.1s; }
.hero-line:nth-child(2) { animation-delay: 0.2s; }
.hero-line:nth-child(3) { animation-delay: 0.3s; }
.hero-line:nth-child(4) {
    animation-delay: 0.4s;
    color: var(--color-mid);
    text-shadow: 0 4px 30px rgba(107, 107, 107, 0.6);
}

.pulse {
    animation: pulse 2s ease infinite;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 50px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.scroll-arrow::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-mid);
    border-radius: 50%;
    animation: scrollDown 2s ease infinite;
}

/* =========================
   SERVICES SECTION
========================= */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.section-title {
    font-size: 48px;
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-dark);
    letter-spacing: 2px;
}

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

.service-card {
    background: var(--white);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--color-mid);
}

.service-icon {
    color: var(--color-mid);
    margin-bottom: var(--spacing-md);
    display: inline-block;
    transition: transform 0.3s ease;
}

.service-card:hover .service-icon {
    transform: rotate(360deg) scale(1.1);
}

.service-title {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.service-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

/* =========================
   HYBRID APPROACH SECTION
========================= */
.hybrid-approach {
    padding: var(--spacing-xxl) 0;
    background: var(--color-dark);
    color: var(--white);
}

.section-subtitle {
    font-size: 18px;
    color: var(--medium-gray);
    text-align: center;
    margin-top: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.hybrid-approach .section-subtitle {
    color: var(--light-gray);
}

.hybrid-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hybrid-columns {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

.hybrid-column {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.hybrid-column:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.hybrid-icon {
    color: var(--light-gray);
    margin-bottom: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.hybrid-title {
    font-size: 24px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
    text-align: center;
}

.hybrid-description {
    font-size: 16px;
    line-height: 1.6;
    color: var(--light-gray);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.hybrid-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.hybrid-features li {
    font-size: 14px;
    color: var(--light-gray);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    line-height: 1.5;
}

.hybrid-features li:before {
    content: "●";
    position: absolute;
    left: 0;
    color: var(--medium-gray);
}

.hybrid-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) 0;
}

.hybrid-plus {
    font-size: 64px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    opacity: 0.7;
}

.hybrid-result {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.hybrid-result-icon {
    color: var(--white);
    flex-shrink: 0;
}

.hybrid-result-content {
    flex: 1;
}

.hybrid-result--centered {
    justify-content: center;
}

.hybrid-result--centered .hybrid-result-content {
    text-align: center;
    max-width: 700px;
}

.hybrid-result-title {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.hybrid-result-text {
    font-size: 16px;
    line-height: 1.6;
    color: var(--light-gray);
    margin: 0;
}

/* =========================
   PORTFOLIO SECTION
========================= */
.portfolio {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.featured-project {
    margin-bottom: var(--spacing-xl);
}

.project-image-placeholder {
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--medium-gray) 100%);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.project-image-placeholder.small {
    min-height: 350px;
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.4s ease;
    padding: var(--spacing-lg);
    text-align: center;
}

.project-image-placeholder:hover .project-overlay {
    opacity: 1;
}

.project-title {
    color: var(--white);
    font-size: 42px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}

.project-subtitle {
    color: var(--white);
    font-size: 20px;
    margin-bottom: var(--spacing-md);
}

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

.project-card {
    transition: transform 0.3s ease;
}

.project-card:hover {
    transform: scale(1.03);
}

.project-badge {
    background: var(--white);
    color: var(--color-dark);
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    border-radius: 4px;
}

.project-description {
    color: var(--light-gray);
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

.project-metrics {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

.metric-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.metric-number {
    font-size: 36px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
}

.metric-label {
    font-size: 14px;
    color: var(--light-gray);
    margin-top: 4px;
}

.project-metric {
    color: var(--white);
    font-size: 18px;
    font-weight: 700;
    margin: var(--spacing-xs) 0;
}

.project-detail {
    color: var(--light-gray);
    font-size: 14px;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

/* =========================
   STATS SECTION
========================= */
.stats {
    padding: var(--spacing-xxl) 0;
    background: var(--black);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat-number {
    font-size: 72px;
    font-weight: 900;
    color: var(--color-mid);
    line-height: 1;
}

.stat-percent,
.stat-unit {
    font-size: 48px;
    color: var(--color-mid);
}

.stat-label {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
}

/* =========================
   ABOUT SECTION
========================= */
.about {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 24px;
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
    color: var(--color-mid);
}

.about-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 18px;
    font-weight: 700;
}

.feature-icon {
    color: var(--color-mid);
    font-size: 32px;
}

/* =========================
   AGENDA SECTION
========================= */
.agenda-section {
    padding: var(--spacing-xxl) 0;
    background: var(--white);
}

.agenda-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--medium-gray);
    margin-bottom: var(--spacing-xl);
}

.agenda-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.agenda-calendar-wrapper {
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.agenda-calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.calendar-nav-buttons {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.calendar-nav-btn {
    background: transparent;
    border: 2px solid var(--color-mid);
    color: var(--color-mid);
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
}

.calendar-nav-btn:hover {
    background: var(--color-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 26, 26, 0.15);
}

.calendar-month-display {
    font-size: 24px;
    font-weight: 900;
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-agenda-primary {
    background: var(--color-dark);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-agenda-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 26, 26, 0.3);
}

.agenda-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 8px;
    margin-top: var(--spacing-md);
}

.agenda-day-header {
    text-align: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--medium-gray);
    padding: var(--spacing-xs) 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.agenda-day {
    aspect-ratio: 1;
    min-height: 80px;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 8px;
    background: var(--light-gray);
    position: relative;
    transition: all 0.3s ease;
    cursor: pointer;
}

.agenda-day:hover {
    border-color: var(--color-mid);
    background: rgba(107, 107, 107, 0.05);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.agenda-day.other-month {
    opacity: 0.3;
    cursor: not-allowed;
}

.agenda-day.today {
    border-color: var(--color-mid);
    background: rgba(107, 107, 107, 0.1);
    font-weight: 900;
}

.agenda-day.has-event {
    background: rgba(107, 107, 107, 0.15);
}

.agenda-day.has-event::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-mid);
    border-radius: 50%;
}

/* Calendar Availability States */
.agenda-day.day-available {
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.3);
}

.agenda-day.day-available:hover {
    background: rgba(37, 211, 102, 0.2);
    border-color: rgba(37, 211, 102, 0.5);
}

.agenda-day.day-occupied {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.agenda-day.day-occupied:hover {
    background: rgba(255, 107, 107, 0.2);
    border-color: rgba(255, 107, 107, 0.5);
}

.agenda-day.day-unavailable {
    opacity: 0.4;
    cursor: not-allowed;
}

.agenda-day.day-unavailable:hover {
    opacity: 0.5;
}

/* Availability Indicator */
.availability-indicator {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 8px;
    height: 8px;
    background: #25D366;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Appointment Badge */
.appointment-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    background: #FF6B6B;
    color: white;
    border-radius: 9px;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.agenda-day-number {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.agenda-event-indicator {
    font-size: 10px;
    color: var(--color-mid);
    font-weight: 700;
    text-transform: uppercase;
}

/* Agenda Sidebar */
.agenda-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.upcoming-events-card,
.agenda-cta-card {
    background: var(--white);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.events-card-title,
.cta-card-title {
    font-size: 20px;
    font-weight: 900;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.events-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.event-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border: 2px solid transparent;
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.event-item:hover {
    border-color: var(--color-mid);
    background: rgba(107, 107, 107, 0.05);
    transform: translateX(4px);
}

.event-date-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    padding: var(--spacing-xs);
    background: var(--black);
    border-radius: 8px;
    flex-shrink: 0;
}

.event-day {
    font-size: 24px;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
}

.event-month {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-mid);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 2px;
}

.event-details {
    flex: 1;
}

.event-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.event-time {
    font-size: 13px;
    color: var(--medium-gray);
    font-weight: 600;
}

/* WhatsApp CTA in Agenda */
.cta-card-text {
    font-size: 15px;
    color: var(--color-mid);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.btn-whatsapp-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-whatsapp-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.btn-whatsapp-cta svg {
    flex-shrink: 0;
}

/* =========================
   CONTACT SECTION
========================= */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--light-gray);
}

.contact-subtitle {
    text-align: center;
    font-size: 24px;
    margin-bottom: var(--spacing-xl);
    color: var(--color-mid);
}

.contact-form {
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    border: 2px solid var(--color-mid);
    background: var(--white);
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-dark);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

.contact-info {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.contact-label {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    color: var(--medium-gray);
}

.contact-link {
    color: var(--color-mid);
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--color-dark);
}

/* =========================
   BACK TO TOP BUTTON
========================= */
.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 56px;
    height: 56px;
    background: var(--color-mid);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(107, 107, 107, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-dark);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(26, 26, 26, 0.4);
}

.back-to-top svg {
    animation: bounceUp 2s ease infinite;
}

@keyframes bounceUp {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

/* =========================
   FOOTER
========================= */
.footer {
    padding: var(--spacing-xl) 0;
    background: var(--black);
    color: var(--white);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    height: 50px;
}

.footer-logo-image {
    height: 50px;
    width: auto;
    display: block;
    opacity: 0.9;
    filter: brightness(0) invert(1); /* Makes logo white for dark footer */
}

.footer-nav {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--red);
}

.footer-copyright {
    font-size: 14px;
    color: var(--medium-gray);
}

/* =========================
   MODAL
========================= */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    padding: var(--spacing-xl);
    max-width: 500px;
    text-align: center;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    font-weight: 700;
    cursor: pointer;
    color: var(--color-mid);
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--color-dark);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: var(--color-dark);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    margin: 0 auto var(--spacing-md);
    animation: scaleIn 0.5s ease;
}

.modal-content h3 {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.modal-content p {
    font-size: 18px;
    color: var(--dark-gray);
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes scrollDown {
    0% {
        opacity: 0;
        top: 10px;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        top: 30px;
    }
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

/* AOS Animation Classes */
[data-aos] {
    opacity: 0;
    transition: all 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

/* =========================
   RESPONSIVE DESIGN
========================= */
/* Extra large screens (1440px and above) */
@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
}

/* Large screens (1024px to 1439px) */
@media (max-width: 1439px) and (min-width: 1024px) {
    .services-grid,
    .projects-grid,
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Medium screens (768px to 1023px) */
@media (max-width: 1023px) {
    .services-grid,
    .projects-grid,
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hybrid-columns {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .hybrid-divider {
        display: none;
    }

    .hybrid-result {
        flex-direction: column;
        text-align: center;
    }

    .hero-title {
        font-size: 56px;
    }

    .section-title {
        font-size: 40px;
    }

    .btn {
        padding: 14px 28px;
        font-size: 15px;
    }
}

/* Tablet screens (481px to 767px) */
@media (max-width: 767px) {
    :root {
        --spacing-lg: 32px;
        --spacing-xl: 48px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-lg);
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        transform: translateY(-100vh);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateY(0);
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 42px;
        line-height: 1.2;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .services-grid,
    .projects-grid,
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .stat-number {
        font-size: 48px;
    }
    
    .about-features {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-info {
        flex-direction: column;
        align-items: center;
    }
    
    /* Agenda Responsive */
    .agenda-container {
        grid-template-columns: 1fr;
    }
    
    .agenda-calendar-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .agenda-calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 4px;
    }

    .btn {
        padding: 12px 24px;
        font-size: 14px;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 16px;
    }

    .container {
        padding: 0 1rem;
    }
}

/* Mobile screens (480px and below) */
@media (max-width: 480px) {
    :root {
        --spacing-md: 16px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
    }

    .hero-title {
        font-size: 32px;
        line-height: 1.1;
    }

    .section-title {
        font-size: 24px;
    }

    .nav-menu {
        gap: var(--spacing-md);
    }

    .nav-link {
        font-size: 13px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 13px;
        border-radius: 4px;
    }

    .btn-hero,
    .btn-large {
        padding: 14px 28px;
        font-size: 14px;
    }

    .contact-form {
        flex-direction: column;
    }

    .form-group {
        width: 100%;
    }

    .services-grid,
    .projects-grid,
    .stats-grid,
    .agenda-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .stat-number {
        font-size: 40px;
    }

    .featured-project {
        min-height: 250px;
    }

    .project-image-placeholder {
        min-height: 200px;
    }
    
    /* Agenda Responsive */
    .agenda-calendar-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .agenda-calendar-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 2px;
    }
    
    .agenda-day {
        min-height: 50px;
        padding: 4px;
    }
    
    .agenda-day-number {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .btn-hero {
        font-size: 16px;
        padding: 16px 32px;
    }
}



/* ==================== WHATSAPP CHAT WIDGET ==================== */

.whatsapp-widget {
    position: fixed !important;
    bottom: 24px !important;
    right: 24px !important;
    z-index: 9999 !important;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.whatsapp-button {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}

.whatsapp-button:active {
    transform: scale(0.95);
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 24px rgba(37, 211, 102, 0.7),
                    0 0 0 8px rgba(37, 211, 102, 0.1);
    }
}

.whatsapp-popup {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 340px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.8) translateY(20px);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    overflow: hidden;
    z-index: 10000 !important;
}

.whatsapp-widget.active .whatsapp-popup {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0);
}

.whatsapp-header {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    padding: 20px;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.whatsapp-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.whatsapp-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.whatsapp-info h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.whatsapp-status {
    margin: 4px 0 0 0;
    font-size: 12px;
    opacity: 0.95;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4ade80;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.whatsapp-close {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
    flex-shrink: 0;
}

.whatsapp-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.whatsapp-body {
    padding: 20px;
    background: #f0f2f5;
    min-height: 120px;
}

.whatsapp-message {
    background: white;
    padding: 12px 16px;
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    position: relative;
    max-width: 85%;
}

.whatsapp-message::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 12px;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 0 8px 8px 0;
    border-color: transparent white transparent transparent;
}

.whatsapp-message p {
    margin: 0 0 8px 0;
    font-size: 14px;
    line-height: 1.5;
    color: #1f2937;
}

.message-time {
    font-size: 11px;
    color: #6b7280;
}

.whatsapp-footer {
    padding: 16px;
    background: white;
    border-top: 1px solid #e5e7eb;
}

.whatsapp-send-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 20px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.whatsapp-send-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
}

.whatsapp-send-button:active {
    transform: translateY(0);
}

.whatsapp-send-button svg {
    transition: transform 0.3s;
}

.whatsapp-send-button:hover svg {
    transform: translateX(4px);
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .whatsapp-widget {
        bottom: 16px;
        right: 16px;
    }
    
    .whatsapp-button {
        width: 56px;
        height: 56px;
    }
    
    .whatsapp-popup {
        width: calc(100vw - 32px);
        max-width: 340px;
        bottom: 72px;
    }
}

/* =========================
   SERVICE DETAIL MODAL
========================= */
.svc-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9400;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.svc-modal.open {
    display: flex;
}

.svc-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
}

.svc-modal-inner {
    position: relative;
    background: #fff;
    max-width: 620px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    padding: 48px;
    z-index: 1;
}

.svc-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    line-height: 0;
    color: var(--color-dark);
    opacity: 0.5;
    transition: opacity 0.2s;
}

.svc-modal-close:hover {
    opacity: 1;
}

.svc-modal-title {
    font-size: 22px;
    font-weight: 900;
    letter-spacing: 1px;
    color: var(--color-dark);
    margin-bottom: 20px;
    line-height: 1.2;
}

.svc-modal-desc {
    font-size: 15px;
    line-height: 1.7;
    color: var(--medium-gray);
    margin-bottom: 28px;
}

.svc-modal-deliverables-title {
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--color-dark);
    margin-bottom: 14px;
}

.svc-modal-list {
    list-style: none;
    margin-bottom: 36px;
}

.svc-modal-list li {
    padding: 10px 0 10px 20px;
    border-bottom: 1px solid #f0f0f0;
    font-size: 14px;
    color: var(--color-dark);
    position: relative;
}

.svc-modal-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #c9a96e;
    font-weight: 700;
}

.svc-modal-cta {
    text-align: center;
}

.svc-cta {
    display: inline-block;
    text-decoration: none;
}

@media (max-width: 600px) {
    .svc-modal-inner {
        padding: 32px 24px;
        max-height: 92vh;
    }

    .svc-modal-title {
        font-size: 18px;
    }
}

/* =========================
   VIDEO PORTFOLIO GRID
========================= */
.video-portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: var(--spacing-xl);
}

.video-card {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    cursor: pointer;
    background: #111;
}

.video-thumb {
    width: 100%;
    height: 100%;
    position: relative;
}

.video-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.video-card:hover .video-thumb img {
    transform: scale(1.05);
}

.video-play-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    transition: opacity 0.3s ease;
    gap: 10px;
}

.video-card:hover .video-play-overlay {
    opacity: 1;
}

.play-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}

.ver-video {
    color: #fff;
    font-size: 10px;
    font-weight: 900;
    letter-spacing: 2px;
}

/* =========================
   VIDEO MODAL
========================= */
.pvb-video-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9500;
    align-items: center;
    justify-content: center;
}

.pvb-video-modal.open {
    display: flex;
}

.pvb-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.93);
}

.pvb-modal-inner {
    position: relative;
    width: 88vw;
    max-width: 1100px;
    z-index: 1;
}

.pvb-modal-close {
    position: absolute;
    top: -46px;
    right: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    line-height: 0;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.pvb-modal-close:hover {
    opacity: 1;
}

.pvb-embed-wrap {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    background: #000;
}

.pvb-embed-wrap iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

@media (max-width: 900px) {
    .video-portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}

@media (max-width: 480px) {
    .video-portfolio-grid {
        grid-template-columns: 1fr;
    }

    .pvb-modal-inner {
        width: 95vw;
    }

    .pvb-modal-close {
        top: -40px;
    }
}